11603 results about "Cam" patented technology

A hinge apparatus according to various embodiments may include: a bracket including a first coupling part formed in a first direction with respect to a middle of the bracket and a second coupling part formed in a second direction opposite to the first direction with respect to the middle of the bracket, a first body part including a first plate, a first rotation part coupled with the first plate fastened to the first coupling part of the bracket and configured to rotate about the bracket, and a first cam formed in the first rotation part, a second body part including a second plate, a second rotation part coupled with the second plate fastened to the second coupling part of the bracket and configured to rotate about the bracket, and a second cam formed in the second rotation part, and a torque provision unit, including a first follower including a first cam part engaged with the first cam structure and disposed in the bracket, a second follower including a second cam part engaged with the second cam structure and disposed in the bracket, and a pressurizing part disposed in the bracket between the first follower and the second follower and configured to provide an elastic force to the first follower and the second follower in opposite directions.

A guide fitting, guiding a body part for simultaneous translational and rotational movement relative to a stationary base, has a guide cam track, a guide element guided in the at least one guide cam track, and a linear guide with at least one guide rail and a running rail displaceable relative thereto, one of which is coupled in a stationary manner to the guide element and the other of which is coupled to the guide cam track by a pivot bearing. The guide cam track or the guide element can be fixedly fastened to the body part. The fitting also includes at least one ejection device with an unlockable force accumulator drives the body part from at least one end position by exerting force against an ejection direction along a limited path, and at least one activator for unlocking the force accumulator of the ejection device.

An electronic control clutch structure of an actuator device having a driver, a cam, a clutch wheel, and a transmission wheel is provided. The cam is connected to the driver, is driven by thereof, and includes a first actuating portion and a second actuating portion. The clutch wheel is connected to the rotating draft, rotates with thereof, and is arranged atop on the cam. The cam operatively actuates the clutch wheel. The transmission wheel is connected to the rotating draft. The clutch wheel and the transmission wheel are in a detached state when the clutch wheel is located on the first actuating portion. The clutch wheel and the transmission wheel are in an embedded state when the clutch wheel is located on the second actuating portion. The electronic control clutch structure may adapt uneven areas in the grass to perform weeding work according to the terrain changes of the grassland.

The invention belongs to the technical field of vibration analysis and testing of bearings, and particularly relates to a cam driven bearing wear degree monitoring method and system, and the method comprises the steps: carrying out the equal-angle resampling processing of a vibration signal through a rotating speed signal, decomposing an obtained angular domain vibration signal into a plurality of mode components through a variational mode decomposition algorithm, and carrying out the measurement of the vibration signal; according to the kurtosis value of each modal component and the correlation coefficient of each modal component and the original vibration signal, evaluating the impact saliency weight of each modal component, and performing weighted summation on the energy of each modal component to obtain comprehensive impact energy; calculating to obtain a speed decoupling wear index without the influence of the rotating speed by utilizing the comprehensive impact energy and the vibration energy calculated by the physical mapping model; and the speed decoupling wear index is compared with a preset self-adaptive alarm threshold value, and the wear state of the cam driven bearing is judged according to a comparison result. According to the invention, the problems of false alarm and missing alarm under the variable-speed working condition are solved.

The invention discloses a humanoid robot and a shank structure thereof. The shank structure comprises a knee frame, a foot plate, a driving assembly and a cam; the foot plate is rotatably connected to the knee frame around the X axis; the knee frame is provided with a rotating seat; the inner shaft is rotationally connected to the rotating seat around the Y axis; the fixing sleeve is rotatably mounted on the inner shaft; the driven planetary gears are meshed with the driving planetary gears on the two sides; one end of the side shaft is limited to the fixing sleeve, and the driven planetary gear is rotationally arranged on the side shaft in a sleeving mode. The upper end of the connecting rod is rotatably connected to the connecting seat, and the lower end of the connecting rod is rotatably connected to the foot plate; when the cams at the left and right positions rotate towards the same direction, the connecting seat drives the foot plate and the knee frame to rotate around the Y axis through the connecting rod; when the cams at the left and right positions rotate in opposite directions, the connecting seat rotates around the side shaft and drives the foot plate to rotate around the X axis relative to the knee frame through the connecting rod. According to the scheme, more flexible gait control can be achieved, and the problem that the weight burden of shanks is too heavy due to a direct drive mode in a traditional system is solved.

An archery cam adjustment assembly for an archery bow includes an axle extending along an axis from a first end to an opposing second end and structured to traverse a limb of an archery bow. The axle further includes a central portion defining a plurality of threads. A cam support is structured to support a cam and to engage the central portion of the axle. A securing member is structured to be moved between a locked and an unlocked state. In the unlocked state, the axle is enabled to rotate freely relative to the cam support to move the cam support along the axis and displace the cam in a lateral direction with respect to the limb. In the locked state, the axle is inhibited from rotating relative to the cam support and the cam support is inhibited from moving along the axis.

A pivot hinge has a pivot pin member for pivotally connecting a pivotal door leaf with a structural element. The hinge comprising a first cam follower on a first side of the pivot pin member and a second cam follower on a second side of the pivot pin member opposite the first side, the first and second cam followers both being movable in a radial direction relative to the cam. A slidable reciprocating member is arranged within the casing and has first and second end parts rigidly connected to one another. The cam has a pair of recesses. The spring arrangement is arranged between the second cam follower and the second end part and urges both first and second cam followers against the cam and into the respective recess to provide a holding moment to retain the door leaf in a holding position.

The utility model discloses an auger discharging device for feed production, which relates to the technical field of feed production and comprises a feed conveying barrel, symmetrical supports are fixedly connected to two sides of the feed conveying barrel, an auxiliary rod is fixedly connected in the feed conveying barrel, the auxiliary rod is rotatably connected with a sieve plate, and a spring is fixedly connected to the top of one side, far away from the auxiliary rod, of the sieve plate. The side, close to the feeding hopper, of the support is rotationally connected with a movable rod, the side, close to the auxiliary rod, of the movable rod is fixedly connected with a cam, and the cam is located below the spring. The device has the beneficial effects that a movable rod drives a cam to extrude a sieve plate, the sieve plate rotates around an auxiliary rod by a certain angle to drive a spring to be compressed and deformed, the sieve plate is continuously extruded by the cam, one side of the sieve plate vibrates, impurities and chippings in feed are vibrated to fall into a collecting box through vibration, and the feed on the sieve plate moves towards one side of the sieve plate along with vibration; feed can be conveniently screened and collected, and the situation that too many chippings stay in the conveying barrel and are difficult to clean is avoided.

PROBLEM: To stably support a door.SOLUTION: A door device includes: an engagement member provided in a variable link equipped with a variable connection length mechanism; and a cam member provided on a door and having a cam groove with which the engagement member engages. Furthermore, an extension end of the cam groove that comes into close proximity to an engagement part of the engagement member that moves within the cam groove, based on full opening movement of the door is an opening side end of the cam groove. The cam groove has a groove width change section being set on an opening side of the extension region including the opening side end, and a groove width of the cam groove in this groove width change section is narrower than a groove width on a closing side of the extension region beyond the groove width change section.

The invention discloses a mechanical interlocking device of a switch cabinet, the switch cabinet comprises a cabinet body, a cabinet door, and a circuit breaker mechanism and an isolation mechanism arranged in the cabinet body, the cabinet door is hung on the cabinet body, the isolation mechanism is provided with a grounding shaft and an isolation shaft, the circuit breaker mechanism is provided with a closing button and a circuit breaker main shaft, the grounding shaft is provided with a first cam, and the isolation shaft is provided with a second cam. The isolation shaft is provided with a second cam, the circuit breaker main shaft is provided with a third cam, the mechanical interlocking device comprises a first interlocking assembly, a second interlocking assembly and a third interlocking assembly, one end of the first interlocking assembly is matched with the outline of the first cam, and the other end of the first interlocking assembly is matched with the cabinet door in a hanging mode; one end of the second interlocking assembly is matched with the contour of the second cam, the other end of the second interlocking assembly is in locking fit with the closing button, one end of the third interlocking assembly is matched with the contour of the third cam, and the other end of the third interlocking assembly is in shielding fit with the isolation shaft. Misoperation of the switch cabinet can be prevented, the reliability of the interlocking mechanism can be improved, and the service life of the interlocking mechanism can be prolonged.

In a compound bow, an axle, having threaded ends, is pushed through a hole in a cam. Cam spacers, having internal threads, are screwed onto the ends of the axle until the ends of the cam spacers abut the cam. The cam can rotate freely around the unthreaded middle portion of the axle. The ends of the cam spacers go into holes in limb brackets attached to the bow's resilient limb ends. In one embodiment, the ends of the cams are threaded, and a nut is tightened over the thread to shift the cam spacers and cam left or right relative to the limb brackets. In another embodiment, the cam spacers and limb brackets are threaded, and turning the cam spacer shifts the cam left or right. In both embodiments, the cam position is precisely adjusted and very stable.

The invention discloses a numerical control machine tool dynamic characteristic matching and machining path planning method and system for efficient cutting, and relates to the technical field of intelligent manufacturing and numerical control machining path optimizing.The method comprises the following steps that on the basis of a CAD three-dimensional drawing of a machined part, the CAD three-dimensional drawing is imported into CAM software, the machined surface and the non-machined surface of the part are determined, and the machining surface and the non-machined surface of the part are matched; various machining schemes and technological parameters of different machining faces of the part are generated through CAM software in combination with drawing parameter requirements; and for the generated machining schemes under the process parameters of the different machining surfaces, the machining rigidity and vibration parameters are calculated in combination with part material data, and meanwhile, the standard rigidity and vibration parameters of the current numerical control machine tool are collected. According to the method, the dynamic performance of the numerical control machine tool is combined, the tool path planning in the CAM programming process and the technological parameters are matched, and tailoring and force measuring are carried out according to numerical control programming of different machine tools.

A firearm with ambidextrous bolt release mechanism includes a barrel and a bolt slideably mounted in the receiver for axial movement between forward closed breech position in battery with the barrel and a rearward open breech position. A recoil spring biases the bolt forward. A side-mounted bolt catch lever is configured and operable to selectively hold the bolt in the open breech position, and disengage the bolt to reclose the breech when manually actuated. A transversely movable actuator plunger allows a user to release the bolt from the side of the firearm opposite the bolt catch lever side. The plunger comprises an inclined camming surface which slideably engages a mating inclined camming ramp on the lever. Wedging action applied to the bolt catch lever by the plunger rotates the lever about its pivot axis to disengage and release the bolt.

The invention discloses a continuous rotary discharging ceramic green body rolling forming device, and relates to the technical field of ceramic green body rolling forming, the continuous rotary discharging ceramic green body rolling forming device specifically comprises a rolling frame, a transverse driving table and a vertical driving table, the transverse driving table is installed at the top of the rolling frame, and the vertical driving table is installed at the top of the transverse driving table; the top of the vertical driving table is slidably connected with a sliding base plate. Through the 120-degree intermittent rotation design of the rotary table, circulating switching of the three stations of blank adding, rolling forming and discharging is achieved, the neutral position period of shutdown blank taking in the traditional technology is eliminated, compared with the prior art, the ceramic blank rolling forming efficiency is improved by 20%, uninterrupted continuous production is achieved, meanwhile, traditional pressing contact type rolling forming is different, and the production efficiency is improved. A mechanical linkage mechanism, a cam, a U-shaped tilting rod and a toothed plate are adopted to automatically control lifting and rotation of a female die, and a driving assembly is matched to drive a male die to synchronously rotate, so that the rolling precision is ensured.

The invention discloses a movable adsorption machine for waste gas treatment, and belongs to the technical field of waste gas treatment.The movable adsorption machine comprises an outer box body and brake wheels installed at the bottom of the outer box body, a gas inlet pipe is installed at the upper end of the outer box body, a filter plate is arranged below the gas inlet pipe, and a communicating pipe is arranged at the lower end of the filter plate; adsorption columns are inserted into the communicating pipes, the communicating pipes are arranged at the upper ends and the lower ends of the adsorption columns, the communicating pipes at the lower ends of the adsorption columns are connected with negative pressure generation equipment through drainage pipes, an exhaust pipe is installed at the upper end of the negative pressure generation equipment, and a power cam is arranged between the adsorption columns. According to the mobile adsorption machine for waste gas treatment, the filter plate can be cleaned in a manner of electrostatic dust adsorption and reverse blowing, the phenomenon that mesh holes in the filter plate are partially blocked by adopting a brush plate is prevented, meanwhile, harmful substances in waste gas can be adsorbed by arranging activated carbon particles, and the adsorption treatment effect on the waste gas is improved.

The invention belongs to the technical field of wood sawing, and particularly relates to wood sawing and segmenting equipment based on papermaking raw materials and an operation method thereof.The wood sawing and segmenting equipment comprises a base, a sliding plate is slidably connected to the top of the base, two supports are fixedly connected to the top of the sliding plate, and a supporting plate is rotatably connected between the two supports; according to the wood sawing and segmenting equipment based on the papermaking raw materials and the operation method of the wood sawing and segmenting equipment, a hydraulic cylinder controls a guide wheel to be pushed upwards, one side of a supporting plate tilts upwards, then a chain is in an inclined state, and after the chain tilts, logs slide downwards under the action of gravity and then are attached to a push plate; when the logs are conveyed upwards in an inclined mode, a third motor controls a cam to rotate, the cam is matched with a square groove, a chain swings left and right, the supported logs can be corrected through swinging of the chain, and the situation that the logs cannot be corrected due to the fact that the friction force between the logs and the chain is too large after the logs are inclined is avoided.

The utility model belongs to the technical field of drilling machine drill rod positioning, and particularly relates to a drilling machine drill rod positioning device which comprises a base, a lifting plate is placed on the base, a ground nail penetrates through a first rod hole of the lifting plate, a fixing block is welded to the top side of the ground nail, and the fixing block is fixedly connected with the top side of the lifting plate. The ground nail is assembled in a second rod hole of the base, two sets of grooves are symmetrically formed in the base, two sets of cushion blocks are symmetrically installed on the base, two sets of connecting rods are rotatably installed on the cushion blocks, a pinch bar is rotatably installed at the other ends of the connecting rods, a spring is installed on the pinch bar, and a limiting groove is formed in the supporting frame. A lifting plate is assembled in a limiting groove, a ripping bar is held, the ripping bar rotates around a cushion block, the bottom end of the ripping bar upwarps the lifting plate, the lifting plate drives a ground nail to vertically move upwards, the ground nail is rapidly pulled out, the device is conveniently disassembled, and the convenience of disassembling the device is improved.

The invention relates to the technical field of index plates, in particular to a high-efficiency inclined double-shaft index plate which comprises a first rotating assembly and a moving unit. The first rotating assembly comprises a first index plate and a first cam shaft, and a plurality of first rolling wheels capable of sliding along a preset movement track are evenly distributed on the outer wall of the first index plate in the circumferential direction; a first cambered surface cam is fixedly wound on the first cam shaft, a continuous curved surface groove is formed, and the first roller is embedded into the curved surface groove. The moving unit can drive the first roller to slide on the first index plate along the preset movement track so as to change the contact position of the first roller and the globoidal cam when the first cam shaft stops rotating, and the situation that when the working platform is located at the specific angle for a long time, the meshing area of the first roller and the first globoidal cam is excessively abraded due to long-term unbalance loading is avoided; the abrasion degree is reduced, and the service life of the first index plate and the first cam shaft is prolonged.

An on-load tap-changer includes: a tap-changer body and a driving mechanism fixed on the tap-changer body. The tap-changer body includes a housing, multiple insulation fixing plates, multiple turntables, each of which includes a sheave and a cam plate, the cam plate of which is rotatably connected to the insulation fixing plate, and the sheave of which is connected to the driving mechanism, multiple vacuum tubes fixed on the multiple insulation fixing plates, and multiple transmission mechanisms, each of which includes a lifting lever and a reverse spring. When the driving mechanism drives the sheave to regulate voltage, the cam plate is synchronously driven to rotate, and then the vacuum tube is driven by the lifting lever and the reverse spring to achieve on / off arc extinction, thereby achieving on-load voltage regulation.

The invention discloses a rocker arm assembly and an engine valve mechanism, and relates to the technical field of engines. The rocker arm assembly comprises a rocker arm, a first elastic piece, a sealing piece, an ejection unit, a piston and a transmission unit. A first cavity, a second cavity and a third cavity which are sequentially communicated are formed in the rocker arm, the ejection unit is installed in the first cavity, the first elastic piece and the sealing piece are both installed in the second cavity, the first elastic piece is connected with the sealing piece, the sealing piece is used for separating the first cavity from the second cavity, and a first oil channel is formed in the rocker arm. The first oil duct is communicated with the first cavity, the piston is installed in the third cavity and connected with the transmission unit, and the transmission unit is used for being matched with the delay cam. The rocker arm assembly is simple in structure, the number of parts is small, the occupied space is small, the production cost and the assembly cost can be effectively reduced, and economic benefits are improved.

The invention belongs to the technical field of plastic product processing, and discloses an injection molding product subsequent burr treatment device and a treatment method thereof.The injection molding product subsequent burr treatment device comprises a treatment mechanism, and the treatment mechanism comprises a sliding frame, a cutter, a first rack, a first gear, a supporting frame, a push plate, a second gear, a cam and a first elastic part; the invention discloses a treatment method for subsequent burrs of an injection molding product. The treatment method comprises the following steps: S1, firstly, fixing a hydraulic cylinder and an external frame; through cooperation of the cutter, the cam and other structures, burrs are scraped conveniently, the cutter can be driven to move in the direction close to the burrs in the upward moving process of the upper mold, the burrs which are not completely hardened are scraped, meanwhile, the cutter is vibrated through rotation of the cam, and the burrs are scraped. And the connecting structure of the burrs and the product main body can be more effectively damaged through vibration, the device is particularly suitable for semi-cured or high-toughness plastic burrs, and the burr residue or wiredrawing phenomenon caused by pure scraping is reduced.

The utility model discloses a quick connecting and clamping device which comprises a core rod, a pulling and screwing assembly arranged on the core rod and an elastic assembly connected to the core rod in a sleeved mode, and the pulling and screwing assembly comprises a cam handle rotationally connected to one end of the core rod and a spring piece movably arranged at the other end of the core rod. The cam handle is connected with the end of the spring piece, a first flat position is arranged at the end, close to the spring piece, of the core rod, an installation groove is formed between the first flat position and the core rod, a locking block is arranged on the core rod, a first kidney-shaped hole is formed in the locking block, and a second kidney-shaped hole is formed in the first kidney-shaped hole. The locking block penetrates through the first flat position through the first kidney-shaped hole and is connected into the mounting groove, and when the locking block rotates till the length direction of the first kidney-shaped hole is inconsistent with the length direction of the first flat position, the first flat position limits movement of the locking block. The quick connecting and clamping device has the advantages of being high in vibration resistance and impact resistance, reliable in connection, capable of being quickly disassembled and assembled, capable of being repeatedly disassembled and assembled for use, convenient to disassemble and assemble, easy to machine and manufacture and the like.

A camming clamping device comprises a head with a cam installed swivelling around a pivot shaft between retracted and extended positions. An annular end is mechanically coupled to the head. A rod of variable length connects the head with an annular end designed to receive a carabiner. A wire element made from textile material passes through the rod to connect the head and the annular end. A trigger is installed slidingly to selectively engage the retracted position of the cam. An adjustment device of the length of the rod defines at least a distance between the head and the annular end that is greater than a threshold distance to stretch the wire element and compress the rod in the first direction.

The bottle cap screwing equipment with the ejection mechanism comprises a rack, a cam and a fixing ring are arranged at the top of the rack, a guide sliding groove is formed in the periphery of the cam, an inner gear ring is arranged on the inner wall of the fixing ring, and the bottle cap screwing equipment is further provided with a driving mechanism; a main shaft is rotationally connected between the cam and the bottom of the rack, the main shaft can rotate in the first rotating direction and is sleeved with a rotating body, a plurality of screwing mechanisms are arranged on the rotating body in the circumferential direction in a penetrating mode, the top ends of the screwing mechanisms are in sliding fit with the guide sliding grooves, grabbing parts are arranged at the bottom ends of the screwing mechanisms, and the screwing mechanisms are sleeved with transmission gears and can be in transmission connection with the inner gear rings through transition gears; the screwing mechanism is further provided with an ejection part, and the ejection part is used for ejecting out the bottle caps clamped on the grabbing part after the screwing mechanism completes the screwing action. The ejection part is arranged on the screwing mechanism, and when the screwing mechanism grabs unqualified bottle caps and does not complete screwing, the ejection part can eject out the bottle caps clamped by the grabbing part, so that the grabbing part can normally grab new bottle caps, and the screwing qualification rate is guaranteed.

A forced-entry-resistant sash lock includes a housing, shaft / handle member, cam member, and secondary cam. When the cam member is in the unlocked position, rotating the shaft causes secondary cam rotation initially being independent of the cam member, and subsequently the secondary cam's first contact surface contacts the cam member's first contact surface causing co-rotation of the cam member and engagement of its cantilevered arm's first engagement surface with an interior housing wall's first engagement surface to cause deflection of the arm, and continued shaft rotation returns the cantilevered arm to the undeflected position, whereat forced counter-rotation of the cam member towards the unlocked cam member position is prevented by the contact between the first contact surface of the secondary cam and first contact surface of the cam member and contact between the second engagement surface of the cantilevered arm and the second engagement surface of the interior wall.

The invention discloses a self-adaptive clamp adjusting method based on intelligent vision and pneumatic control. The self-adaptive clamp adjusting method is suitable for a multi-variety small-batch flexible manufacturing scene. According to the method, a closed-loop control framework composed of multi-mode sensing, hybrid modeling, dynamic optimization and pneumatic execution is constructed, and precise sensing and rapid compensation of part deformation under the complex working condition are achieved. Submillimeter deformation data is obtained in real time by fusing binocular vision, optical fiber strain and a laser displacement sensor; dynamically outputting a clamp compensation instruction in combination with the finite element stiffness matrix and an XGBoost prediction model; a PSO-Adapt ivePena lty algorithm is introduced to carry out multi-objective optimization, so that the response speed and the cooperation efficiency of the system are improved; and the pneumatic actuating mechanism adopts a double-acting cylinder and a cam-groove mechanism, so that high-precision adjustment is realized. The method has the advantages of high precision, fast response and strong multi-clamp collaboration, and is suitable for the intelligent manufacturing fields of automobiles, aerospace and the like.

This application relates to an injector device for delivery of a medicament, particularly to an auto-injector device. According to a first aspect of this disclosure, there is described an injection device comprising: an injection device body; a needle shroud retractable into the injection device body comprising a shroud pin; a control spring coupled to the needle shroud and biased to cause the needle shroud to be at least partially extended from the injection device body in an initial position; and a collar rotatable with respect to the injection device body and comprising a cam track engageable with the shroud pin; a hold detent mechanism coupled to the cam track of the collar, wherein the hold detent mechanism is configured to: activate, when the needle shroud is retracted from a first position on the cam track into the injection device body to a hold position on the cam track, by engaging the shroud pin thereby creating a hold detent force opposite a control spring force caused by compression of the control spring during said retraction of needle shroud to said hold position; and deactivate, when the needle shroud is extracted from the hold position on the cam track subsequent to the retraction towards a second position on the cam track, by disengaging the shroud pin thereby releasing the hold detent force and enable the needle shroud to extend from the injection device body to the second position on the cam track; and wherein the hold detent mechanism further comprises a non-return surface configured to, subsequent to the extension of the needle shroud, prevent further retraction of the needle shroud into the injection device body along the cam track towards the hold position.

The invention belongs to the field of dies, and particularly relates to a cam cover die-casting die with a spiral cooling structure, a die table mechanism comprises a lower die table and an upper die table which are combined, and a lower die core and an upper die core which are matched with each other are arranged in the lower die table and the upper die table; the pouring mechanism comprises a pouring end seat arranged on the upper mold table, a pouring channel penetrating through the upper mold core is formed in the pouring end seat, and the other end of the pouring channel penetrates into a closed cavity of the lower mold core and the upper mold core; the track mechanism comprises a track table arranged on the outer side of the cavity; the multi-layer structure of the spiral pipe is in direct contact with the outer wall of the cavity, the spiral flowing path of a cooling medium is combined, the heat exchange area and cooling uniformity are increased, the casting deformation risk is reduced, a temperature sensing end base integrated temperature sensor monitors the temperature of the cavity in real time, and the flow of the cooling medium is dynamically adjusted in cooperation with a deformation piece driven by an air bag piece. And intelligent control of slow-cooling anti-cracking in a high-temperature area and rapid-cooling shaping in a low-temperature area is realized.

The utility model relates to the technical field of medical practice tool assembly, in particular to a medical injection practice pen automatic assembly line which comprises a circulating conveying mechanism, a positioning mechanism, a shell feeding mechanism, a needle cylinder assembly mechanism, an inner piston assembly mechanism, a cam sleeve assembly mechanism, an inner spring assembly mechanism and a tail cover assembly mechanism. Conveying jigs are conveyed on the circulating conveying mechanism, and the positioning mechanism is used for positioning the conveying jigs on the circulating conveying mechanism. The circulating conveying mechanism is used for driving the conveying jig to sequentially pass through the shell feeding mechanism, the needle cylinder assembling mechanism, the inner piston assembling mechanism, the cam sleeve assembling mechanism, the inner spring assembling mechanism and the tail cover assembling mechanism. The shell feeding mechanism is used for placing shells and piston sleeves on the conveying jig. The problems that existing manual assembly is low in efficiency and high in difficulty are solved. The production capacity is greatly increased, the production cost is reduced, and mass production is facilitated.

The invention discloses a rapid drilling clamp for a carbon fiber badminton racket. The rapid drilling clamp comprises a machining table, a drilling machine, a sliding assembly, a fixing clamp and the like. The sliding assembly horizontally corresponds to the working end of the drilling machine, and the fixing clamp can fix the racket frame. The inner gear in the machining table containing groove is driven by the moving piece to rotate, then the cam is made to rotate through the transmission gear, and the cam abuts against the sliding assembly to be in linkage so as to adjust the position of the racket frame. The scale value of the machining table is matched with the moving part pointer to achieve accurate angle adjustment. The sliding assembly comprises a fixing rod, a first spring, a sliding frame and the like and can horizontally move under the action of the cam. The fixing clamp drives the four fixing assemblies through the driving assembly, and automatic clamping and dismounting of the racket frame are achieved through the second spring and the supporting block. According to the clamp, accurate positioning and rapid drilling of the racket frame are achieved through a mechanical structure, the problems that in semi-automatic machining, manual distance adjusting is tedious, and the intelligent modification cost is high are solved, the clamp is suitable for racket frames of different shapes, and the drilling efficiency and precision are improved.