105 results about "Cam" patented technology

The invention discloses a sesame air-drying and screening integrated device. The upper portion of a driving shaft is in rolling connection with the right side of a synchronous belt. The middle of a device body is fixedly connected with a partition plate, and a through groove is formed in the upper portion of the partition plate. The left side of the synchronous belt is in rolling connection with the lower portion of a driven shaft, the upper end of the driven shaft is in bearing rotational connection with the upper wall of a storage barrel, and the lower end of the driven shaft is fixedly connected with a rotating disc. The bottom of the storage barrel communicates with a discharging pipe, the upper end of the discharging pipe communicates with the storage barrel, the lower end of the discharging pipe is attached to the upper surface of the rotating disc, and a through pipe is arranged at the edge of the rotating disc. A screening plate is arranged on the lower portion of the rotatingdisc, and the left side of the screening plate is sleeved with a sleeving plate. According to the sesame air-drying and screening integrated device, the driving shaft and the synchronous belt rotate to drive the driven shaft to rotate, the driven shaft drives the rotating disc and the through pipe to rotate to communicate with the storage barrel in a reciprocating mode, and thus the intermittent material falling function is achieved; and a cam drives the screening plate to move leftwards and rightwards in a reciprocating mode under the action of the sleeving plate and a spring so as to screensesame, a piston plate moving leftwards and rightwards in a reciprocating mode enables air to be sucked into an air blowing cylinder continuously through an air inlet pipe and discharged from an air spraying head, and thus the sesame falling from the screening plate is blown and dried.

The invention discloses a door lock which comprises a cam, a rocker panel, a locking sliding block and a stopping device. A cam hook is arranged on the cam, and the cam can do rotating motion and / or linear motion. The rocker panel is used for locking the cam so that the cam cannot do rotating motion. The locking sliding block is used for locking the cam so that the cam cannot do linear motion. The stopping device stops the rocker panel when the rocker panel rotates by a certain angle so that the rocker panel cannot continue moving. The door lock has the automatic unlocking function (a door is opened automatically after clothes washing is finished) and the unlocking function of pushing and opening the door from the interior at the same time.

The invention relates to floor paving equipment, in particular to cement floor paving equipment used for building construction, and aims to provide the cement floor paving equipment used for buildingconstruction which can rapid pave cement floor and is low in labor intensity. Through the technical scheme, the cement floor paving equipment used for building construction comprises a frame body, wheels, first springs, a guide rod, a pressure plate, a motor, a cam, a push plate, a sliding rail, a sliding block, a baffle plate, a fixed pulley, a clamping block, a connecting rod and the like; the wheels are mounted at the bottom of the frame body, guide grooves are formed in the left and right sides of the bottom of the frame body, and the upper inner walls of the guide grooves in the left andright sides are connected with the first springs respectively. Through the arrangement of the push plate, a cement paste can be pushed easily when the equipment is pushed by people, and the pressure plate can be used for rapidly paving cement on the ground due to the cooperation of the cam and the pressure plate, so that the working strength of workers is reduced.

The invention provides a semi-automatic spot welding machine device locating clamp comprises a bottom plate. A transmission gear is rotationally installed at the upper end of the bottom plate througha support ring. At least two holding assemblies are evenly fixed to the upper end of the transmission gear and are arranged annularly. A cam is fixed to the middle of the upper end of the bottom plate, penetrates through the support ring and the transmission gear and extends to the upper end of the transmission gear. Cam arc-shaped outer ends are evenly installed on the at least two holding assemblies. A driving structure is fixed to the side end of the transmission gear and is fixed to the upper end of the bottom plate. The semi-automatic spot welding machine device locating clamp is reasonable in structure, the structure is simplified, cost is lowered, and the use effect is good.

The invention discloses a handle locking mechanism of an endoscope operating hand wheel. A small shaft screw cap fixedly sleeves a small rotating shaft; left and right rotary hand wheels sleeve the small shaft screw cap; a friction pad is arranged in an inner cavity of the small shaft screw cap; a spring and a pressing plate are arranged in the friction pad sequentially from bottom to top; an inner cover is arranged at the upper side of the pressing plate; a cam is fixedly arranged at the bottom of the inner cover; the bottom of a driving block of the cam is of a stepped structure; a low-order surface, a middle-order surface and a high-order surface are arranged at the bottom of the driving block; the middle-order surface or high-order surface of the driving block is pressed on the pressing plate; outer teeth are arranged at the upper side of the outer wall of the inner cover; and the outer teeth are meshed with tooth grooves in the inner wall of a wrench socket. The handle locking mechanism provided by the invention can offer effective locking force, and the left and right rotary hand wheels can still rotate after a locking action is implemented; a rotating torque is reliable in transfer; a rotating position of a bent operating knob can be reliably fixed by operating force, which is lower than original force, in a non-bias mode; and under a loose state, operating force, which is required to rotate the left and right rotary hand wheel, is low, and the hand wheels are light and flexible.

The invention discloses an automatic profiling device with the movement automatically controlled. The automatic profiling device comprises a base table, an upper die, a lower die, a cam and a driving mechanism; the base table is horizontally arranged and is provided with a guide hole penetrating through the upper end face and the lower end face of the base table, a first guide column, a second guide column, a first ejection rod and a second ejection rod, wherein the first guide column, the second guide column, the first ejection rod and the second ejection rod are vertically arranged on the periphery of the guide hole; a die cavity is formed in the upper end face of the lower die, a first ejection hole and a second ejection hole are formed in the bottom of the die cavity, the lower die is provided with a first guide hole and a second guide hole, and a guide column is arranged on the lower end face of the lower die; the lower die is located on the base table, the first guide column penetrates through the first guide hole, the second guide column penetrates through the second guide hole, the first ejection rod penetrates through the first ejection hole, the second ejection rod penetrates through the second ejection hole, and the guide column penetrates through the guide hole and extends to the part below the base table; the upper die is located above the lower die and is fixed; the cam is located below the base table and abuts against the lower end of the guide column; the driving mechanism is used for driving the cam to rotate. According to the automatic profiling device, continuous production of work-piece profiling is realized.

The invention discloses a panorama camera folding type assembly mechanism and particularly relates to a telescopic and folding tripod structure. The panorama camera folding type assembly mechanism comprises a fixed seat and telescopic rods, wherein the top of the fixed seat is provided with a mounting part; the telescopic rods are arranged at the bottom of the fixed seat and play a role of supporting; and the bottom of the fixed seat is provided with the three telescopic rods. Each telescopic rod comprises a first telescopic rod body, a second telescopic rod body and a third telescopic rod body, wherein the first telescopic rod body is sleeved with the second telescopic rod body, the second telescopic rod body is sleeved with the third telescopic rod body, and the adjacent telescopic rod bodies are fixed together through hoops. The height of a tripod can be conveniently adjusted just by adjusting cam locking buckles when needing to be adjusted in the using process. The panorama camera folding type assembly mechanism can be folded by folding the telescopic rods when not used. The panorama camera folding type assembly mechanism is small in occupied space and convenient to use. The bottoms of the third telescopic rod bodies are provided with universal wheels. In the photographing process, moving and photographing can be conducted simultaneously through the universal wheels at the bottoms of the third telescopic rod bodies, and the practicality is higher.

The invention discloses a gas meter counter magnetic steel wheel automatic feeding device. The gas meter counter magnetic steel wheel automatic feeding device comprises a second rack, an indexing material disc mechanism, a dragging lifting mechanism and a second transferring mechanism; the indexing material disc mechanism is mounted on the second rack, and comprises a cam divider, an indexing discis arranged on the cam divider, multiple material cylinders used for containing magnetic steel wheels are evenly distributed on the peripheral side of the indexing disc, and groove openings are formed in the outer sides of the material cylinders; the dragging lifting mechanism is arranged on one side of one material cylinder and comprises a servo lifting electric cylinder and a lifting bracket connected with the lower part of the servo lifting electric cylinder, one end of a lifting bracket is provided with a push plate inserted in the groove openings, and the second transferring mechanism isarranged above the dragging lifting mechanism and is used for clamping and transferring the magnetic steel wheels in the material cylinders. Automatic feeding of the magnetic steel wheels can be achieved, and the magnetic steel wheels can be effectively separated.

The invention discloses a cam-driving-type Maojian tea double-station multidimensional screening device which comprises a base, a supporting table, a first screening box, a second screening box, first-stage screening grooves, second-stage screening grooves and third-stage screening grooves. A plurality of sets of electromagnets are arranged on the upper surface of the base, a plurality of sets ofmagnets are arranged on the lower side of the supporting table, and the magnets and the electromagnets correspond mutually. The first screening box and the second screening box are slidably mounted onfirst sliding rails located on the left side and right side correspondingly. During tea screening, the efficiency of tea screening in the first screening box and the second screening box is improvedgreatly through leftward and rightward sliding of the first screening box and the second screening box; and large-particle tea is left in the first-stage screening grooves, small-particle tea is leftin the third-stage screening grooves, impurities in the tea are discharged from impurity outlets, thus the tea is automatically sorted, manual sorting is not needed, and the working efficiency is greatly improved.