73results about How to "Guaranteed clamping stability" patented technology

The utility model discloses bus strength stress test equipment, which comprises a detection support, a fixed processing structure and a stretching and bending structure, the fixed processing structure and the stretching and bending structure are mounted on the detection support, and relates to the technical field of bus testing, in particular to a self-adaptive clamping system. An electromagnetically driven arc extrusion block is adopted to be matched with a liftable convex block, stepless pressure adjustment is realized through magnetic force conduction, and a horizontal telescopic spring buffer mechanism is combined, so that a bus can be tightly fixed, machining impact can be absorbed, and clamping stability is ensured; multi-dimensional deformation control is achieved, a cross-shaped extrusion support is carried on a rotary extrusion circular ring pipe, 360-degree dynamic extrusion can be conducted on a bus in cooperation with four sets of concave wheels driven by electromagnetic repulsion, and precise closed-loop control over the stretching strength is achieved in cooperation with real-time monitoring of a pressure sensor.

This utility model relates to the field of automotive parts stamping technology, specifically to an automotive parts stamping positioning mechanism. It includes a base, an upper die base, and a lower die base. A component is disposed between the upper and lower die bases. A mounting frame is provided on the base, and a component-limiting mechanism is disposed within the mounting frame. An adjustment mechanism for adjusting the position of the mounting frame is also provided on the base. The limiting mechanism includes four sets of symmetrically distributed limiting brackets within the mounting frame. Two sets of symmetrically distributed first push rods and two sets of symmetrically distributed second push rods are slidably mounted within the mounting frame. Through the cooperation of the four sets of symmetrically distributed limiting brackets and the linkage push rods, clamping force can be applied synchronously from the four corners of the component, ensuring precise alignment between the material center and the die cavity, avoiding misalignment caused by dimensional tolerances. The transmission structure of the slide, rack, and gear enables the four sets of limiting brackets to move synchronously. Combined with the elastic reset function of the torsion spring, this ensures clamping stability and adapts to material deformation during stamping.

The utility model relates to the technical field of chemical fiber yarn disc defect detection equipment, in particular to a chemical fiber yarn disc inner supporting type clamp which comprises a grabbing part, a telescopic part and a rotating part, and the grabbing part, the telescopic part and the rotating part are used in cooperation to achieve the grabbing telescopic and rotating functions. According to the utility model, an internal supporting type clamping mode is adopted, so that extra damage to the chemical fiber scroll is effectively avoided; the supporting claw structure with the protruding points can be in multi-point contact with the inner wall of the paper tube after being opened, clamping friction force is improved, clamping stability is guaranteed, the paper tube deformation risk is reduced, meanwhile, the control capacity of the clamp for a scroll in the rotating process is improved, and the clamping device is particularly suitable for occasions needing high-precision image collecting and positioning. Through cooperation of the grabbing part, the telescopic part and the rotating part, the rotating part drives the whole to rotate, the telescopic part controls stretching, and the grabbing part is responsible for grabbing a scroll and is used for stably clamping the scroll during detection.

The utility model discloses a middle-shallow geothermal energy buried pipe mounting structure, which belongs to the technical field of buried pipes and comprises a supporting seat, a bottom plate is fixedly connected below the supporting seat, and an adjusting device is mounted in the supporting seat. According to the utility model, the adjusting device is arranged in the supporting seat and comprises the first threaded rod, the nut and the adjusting hole, so that an operator can rotate the first threaded rod in the mounting process to enable the first threaded rod to move up and down in the adjusting hole so as to drive the whole supporting seat to lift, thereby realizing accurate control on the mounting height of the buried pipe; the nut is fixedly connected to the upper surface of the supporting base, it is ensured that the structure is stable and reliable in the adjusting process, in actual construction, the adjusting mechanism can be flexibly adjusted according to the ground gradient or the concave-convex condition of a foundation, it is ensured that all buried pipes are located at the same elevation position, and uneven heat transfer or buried pipe damage caused by different buried depths is avoided; the system effectively adapts to complex and changeable terrain environments, and the system operation stability is improved.

The utility model discloses a positioning device for safety detection relates to positioning detection technical field. The positioning device for safety detection, including bottom plate and rotation locking mechanism, the top of bottom plate is provided with the connecting frame, and the top fixed mounting of bottom plate has the mounting panel, rotation locking mechanism sets up on the mounting panel, and rotation locking mechanism is used for driving the connecting frame and is locked to rotate. Through the cooperation of servo motor, rotating stick, ratchet, rotating short stick, claw and connecting frame, the rotation locking mechanism can drive the connecting frame to turn over the object clamped on it, avoid the need to re -clamp detection object or need the manual overturn of operating personnel when the multi -surface detection of clamping object, avoid the positioning deviation of multiple clamping easy to produce, lead to the condition of the error of detection data, improve the accuracy of detection, and shorten the overall working hours, improve the work efficiency of detection positioning device.

The utility model relates to the technical field of linear cutting, in particular to a bidirectional clamping and fixing device for linear cutting. The top of the mounting plate is fixed to a rack, the clamping parts are arranged on the two sides of the mounting plate in a mirror image mode with the central axis of the mounting plate as the reference, each clamping part comprises an upper supporting rod, a middle supporting rod and a lower supporting rod, and the two ends of the upper supporting rod, the two ends of the middle supporting rod and the two ends of the lower supporting rod are movably installed on corner-shaped supporting arms through shafts. The upper ends of the supporting arms are movably installed on the upper supporting rods, the corner points of the supporting arms are movably installed on the middle supporting rods, the lower ends of the supporting arms are movably installed on the lower supporting rods, and pressing plates used for clamping are arranged on the inner sides of the lower supporting rods. An installation plate is adopted as a base body, the top of the installation plate is fixed to a rack, clamping parts are symmetrically arranged on the two sides of the central axis of the bottom of the installation plate, each clamping part is composed of an upper supporting rod, a middle supporting rod and a lower supporting rod, and the two ends of the upper supporting rod, the middle supporting rod and the lower supporting rod are movably connected with corner-shaped supporting arms through shafts to form a four-connecting-rod linkage mechanism, and bidirectional symmetrical clamping is achieved.

The utility model relates to the technical field of lip balm tube processing equipment, in particular to a thread screwing device for lip balm tube production, which comprises a conveying belt and a cap screwing device assembled above the conveying belt, the conveying belt is respectively provided with a feeding end and a discharging end in the X-axis direction, the cap screwing device is arranged between the feeding end and the discharging end, and the feeding end and the discharging end are arranged on the conveying belt. The cap screwing device comprises a first fixing mechanism used for clamping the bottom of a pipe body and a second fixing mechanism used for abutting against and rotating a cap body, and the first fixing mechanism and the second fixing mechanism are arranged on the left side and the right side of the conveying belt in the Z-axis direction correspondingly. The first fixing mechanism and the second fixing mechanism are arranged on the left side and the right side of the advancing direction of the conveying belt correspondingly, the bottoms of a cover body and a pipe body are limited, cap screwing operation is carried out, buffering force is provided through the telescopic design of an outer fixing piece and a spring in the cap screwing process, clamping stability is ensured, and the clamping efficiency is improved. And the risk of tube body damage caused by improper clamping force adjustment is reduced, and the machining quality of the lip balm tube screw cap is improved.

The application discloses a liquid-cooled server mechanical fixing device, and particularly relates to the technical field of server cabinet installation, which comprises a case, a liquid-cooled server arranged on the inner side of the case, an adjusting assembly arranged on the inner side of the case and used for fitting and positioning liquid-cooled servers of different models, and a supporting assembly arranged on the adjusting assembly and used for floating clamping the surface of the liquid-cooled server. The application realizes flexible adjustment of the length, width and height of the rectangular placement frame through horizontal sliding of the positioning frame along the mounting rod and vertical insertion and cooperation of the L-shaped sliding frame, adapts to liquid-cooled servers of different models, and improves the adaptation range of the fixing device. The application uses the pad and the multiple blocking strips to segmentally support the bottom corners of the server, and the pad is clamped at the corners in cooperation with the pressing plate, so that the clamping stability is enhanced, and the shaking of the liquid-cooled server in the case is effectively reduced.

The utility model relates to the technical field of clamping devices, in particular to a rapid clamping device for manufacturing an automobile accessory foam mold. The electric push rods are fixedly connected to the two sides of the base respectively; the controller is fixedly connected to the base; a sliding groove is formed in the base; the sleeve is fixedly connected to the electric push rod; the pressure sensor is fixedly connected to the rod end part of the electric push rod; the two moving plates are connected into the sliding grooves in a sliding manner; the spring is fixedly connected between the movable plate and the electric push rod; and the contact plates are respectively arranged on the two movable plates. Through the synergistic effect of the pressure sensor and the spring, the clamping stability of the foam mold is guaranteed, meanwhile, overpressure damage to the foam mold is avoided, intelligent and controllable clamping of the foam mold is achieved, compared with a traditional clamp, higher use safety is achieved, and the production quality of the foam mold is guaranteed.

This invention relates to the field of locomotive welding technology, specifically disclosing a positioning device and method for welding locomotive roofs. The positioning device for locomotive roof welding includes: a traveling trolley, a main lifting mechanism, a linkage clamping mechanism, and an arc-shaped rod clamping mechanism; the main lifting mechanism includes a main lifting drive and a lifting seat, with the output end of the main lifting drive connected to the lifting seat; the linkage clamping mechanism includes a horizontal drive and two linkage clamping members spaced apart along a first horizontal direction, the linkage clamping members being used to clamp roof connecting rods; the arc-shaped rod clamping mechanism includes an arc-shaped rod lifting drive and an arc-shaped rod clamping member, the arc-shaped rod clamping member being used to clamp the arc-shaped rod of the roof. The positioning method for locomotive roof welding is accomplished using the above-mentioned positioning device. The positioning device and method for locomotive roof welding can solve the problems of poor flexibility, poor positioning accuracy, and simple clamping fixture structure existing in the positioning mode of existing locomotive roof welding.

The invention relates to the technical field of aluminum plate cutting, in particular to a multi-size aluminum plate high-stability cutting device which effectively solves the technical problems of poor cutting stability and poor cutting efficiency and comprises a mounting shell, a conveying lap joint table on the mounting shell and a feeding placement frame on the conveying lap joint table. A multi-stage locking assembly is arranged above the feeding containing frame and comprises a side positioning push rod above the feeding containing frame, two symmetrically-distributed sliding sleeve frames are fixedly installed on the output end face of the side positioning push rod, a plurality of sliding plates are slidably connected into the sliding sleeve frames, and rear auxiliary plates are fixedly installed on one end faces of the sliding plates. Two symmetrically-distributed connecting tension springs are fixedly installed between each sliding plate and the rear auxiliary plate, and the other end faces of the sliding plates are fixedly provided with separating clamping plates. Through linkage of the side positioning push rods, the sliding sleeve frames, the sliding plates, the separating clamping plates and other components, multiple sets of aluminum plates with different width specifications can be cut; the cutting efficiency is guaranteed.

This application provides a flexible clamping structure for high-temperature nylon tubing, belonging to the technical field of nylon tubing processing. It is used to install on a tubing clamping fixture to clamp and fix high-temperature nylon tubing. The flexible clamping structure includes two contoured clamping blocks and two sets of elastic clamping members. The two contoured clamping blocks are respectively installed on a driving component that moves relative to each other in the tubing clamping fixture. The opposing surfaces of the two contoured clamping blocks each have a semi-annular groove for accommodating the high-temperature nylon tubing. The two sets of elastic clamping members correspond one-to-one with the two contoured clamping blocks and are disposed within the semi-annular grooves. The inner sides of the two sets of elastic clamping members are used to contact the high-temperature nylon tubing, and the elastic modulus of the elastic clamping members is smaller than that of the high-temperature nylon tubing. This application uses elastic clamping members with a smaller elastic modulus to contact the surface of the nylon tubing. The static friction force generated by the elastic deformation caused by pressure on the nylon tubing surface ensures both clamping stability and a residue-free clamping effect.

The utility model discloses a shaking device for drug synthesis, relates to the technical field of drug synthesis, and aims to solve the technical problems that the existing rigid clamping structure is easy to cause micro-slippage of a test tube during high-frequency or variable-angle vibration and insufficient friction force affects the mixing uniformity of drug synthesis, and comprises a base, a vibration mechanism and a shaking mechanism, the shaking mechanism is arranged on the vibrating mechanism, the vibrating mechanism is arranged in the base, the shaking mechanism comprises a support, a notch is formed in the front end in the support, a clamping unit is arranged in the notch, and an adjusting unit is arranged at one end of the support. The outer wall of the test tube is gradually clamped through the guide design that the clamping blocks A and the clamping blocks B of the V-shaped structure are matched with the inserting grooves, deformation caused by stress concentration is avoided, the test tubes of multiple sizes are matched through pure mechanical adjustment, the manufacturing cost and the maintenance difficulty are reduced, the clamping blocks can be conveniently matched with containers of different specifications through the pluggable design, and the practicability is high. And clamping stability and economical efficiency are both considered in small and medium-sized laboratory scenes.

The utility model provides a kind of crystal segment longitudinal cutting clamp and cutting equipment, the crystal segment longitudinal cutting clamp includes clamping assembly, the clamping assembly includes first clamping plate and second clamping plate, which are arranged in parallel and spaced apart along the cutting direction of cutting equipment, the first clamping plate and the second clamping plate respectively contact the two ends of the crystal segment to be cut, so that the axis direction of the crystal segment to be cut is consistent with the cutting direction;Mounting, the mounting connects the clamping assembly and the cutting equipment, to fix the crystal segment clamped by the clamping assembly on the cutting equipment.The crystal segment longitudinal cutting clamp provided by the utility model can be applied to crystal bar cross-cutting equipment, the clamping direction of the crystal segment is perpendicular to each other by mounting to connect the clamping assembly and the clamping jaw, to achieve the purpose of temporarily longitudinal cutting crystal segment or crystal bar taper head using crystal bar cross-cutting equipment, to ensure the clamping stability of crystal segment or crystal bar taper head during cutting, the accuracy of cutting direction.

The utility model provides a clamp tool for heat exchanger casing pipe production, the clamp tool for heat exchanger casing pipe production comprises a first clamp tool and a second clamp tool which are symmetrically arranged, the first clamp tool and the second clamp tool are both provided with fixing blocks, the fixing blocks are provided with arc-shaped notches, and the arc-shaped notches are arranged on the first clamp tool and the second clamp tool. Air cylinders are arranged on the first clamp tool and the second clamp tool, driving rods of the air cylinders are connected to a connecting plate, a moving block is connected to the connecting plate, and an arc-shaped notch is formed in the front end of the moving block. According to the clamp tool for heat exchanger sleeve production, symmetrical tools conduct synchronous clamping, it is ensured that the sleeve is stressed evenly, deflection or deformation is avoided, automatic clamping / loosening is achieved through air cylinder driving, operation efficiency is improved, the arc-shaped notches are matched with sleeves of different diameters, and the clamp replacement frequency is reduced.

This application relates to a multi-directional swing test bench for hydraulic motors, belonging to the field of hydraulic motor inspection and testing technology. It includes a base with two sets of rectangularly distributed columns mounted on the upper side of the base. All columns share a common top plate. The test bench includes a swing mechanism, a clamping mechanism, and a deflection mechanism. The clamping and deflection mechanisms work together to change the motor's mounting position, avoiding the tediousness of manual adjustment and improving testing efficiency. Through the combined use of the swing and clamping mechanisms, the motor is subjected to multi-directional swinging, allowing observation of the motor's speed stability under swinging conditions. This effectively compensates for the shortcomings of static testing and significantly enhances the predictive ability of the test results for practical applications.

This utility model relates to the field of cosmetic manufacturing technology and discloses an eyeliner pencil positioning and feeding device, including a base. A sliding assembly is provided on the top of the base, and the sliding assembly includes a slide rail. The slide rail is fixedly connected to the top of the base. A slide rod is slidably connected to the outside of the slide rail, and a support block is fixedly connected to the top of the slide rod. A telescopic rod is provided inside the support block, and an electric push rod is provided inside the support block. A support plate is fixedly connected to the top of the telescopic rod, and two fixing plates are symmetrically arranged outside the support plate. In this utility model, the feeding position can be flexibly adjusted through the slide rail and slide rod. The electric push rod, in conjunction with the telescopic rod, can adjust the height of the support plate to adapt to different operational needs. Multiple fixing slots can stably hold multiple eyeliner pencils. The electric push rod, in conjunction with a rubber pad and a pressure relief block, can assist in positioning.

This utility model discloses a silent suspension structure for an air pump, relating to the field of oxygenation pumps. The utility model includes an air pump body with a storage groove on its back. Two sets of clamping mechanisms are mirror-mounted inside the storage groove. Each clamping mechanism includes a rotating block rotatably mounted to the inner wall of the storage groove. A clamping rod is rotatably mounted on one side of the rotating block, and a sliding rod is slidably mounted on the inner side of the clamping rod. This utility model integrates two sets of mirror-symmetrical clamping mechanisms through the storage groove on the back of the air pump body, forming an L-shaped clamping arm with the rotating block and clamping rod. This solves the problem of poor adaptability in traditional installations. Simultaneously, the sliding design of the sliding rod inside the clamping rod, combined with the elastic extension and retraction of the telescopic rod within the slot of the rotating block, achieves adaptive adjustment of the clamping distance, adapting to cylinder walls of different thicknesses. Firstly, a tension spring connects the telescopic rod to the slot, providing continuous elasticity to ensure clamping stability.

The invention relates to the technical field of drilling machines, in particular to plastic core rod drilling equipment which comprises a machine frame, a vibration disc is installed at the rear end of the machine frame, a customized conveying line is installed at the upper end of the machine frame, a servo pushing mechanism is installed at the upper end of the machine frame, and a pneumatic clamping servo rotating mechanism is installed at the upper end of the machine frame. Automatic sorting and directional output of bulk cylindrical plastic core rods are achieved through a vibration disc, then, a customized conveying line is driven by a servo motor, workpieces are precisely borne and transferred to a material pushing station through a customized belt line, then, a servo material pushing mechanism is composed of a servo module and a push rod, manual alignment and calibration are not needed, and after the workpieces are in place, the automatic sorting and directional output of the bulk cylindrical plastic core rods are achieved. A pneumatic clamping jaw in the integrated drilling system is rapidly closed to clamp a product, a servo motor directly controls a drill bit to operate in the drilling link, the characteristic that different drill bits are rapidly replaced is combined with modular arrangement, and the machining requirements of different hole diameters can be met.

The utility model relates to the field of welding alternate platform discloses a double position alternate platform of large -scale casting automatic welding house, including bearing frame, bearing frame rotatable setting in the upper of mounting base, the inner wall fixed with drive motor of mounting base, the output shaft one end of drive motor is fixed with the bottom surface of bearing frame, both ends of bearing frame all are fixed with the placing table, the left and right sides of placing table all are fixed with the pneumatic cylinder, the telescopic link one end of pneumatic cylinder extends to the placing table, the telescopic link one end of pneumatic cylinder is fixed with the clamping plate, two clamping plates between the setting have two fixed plates. In the utility model, through the cooperation of pneumatic cylinder, clamping plate, fixed plate, sleeve and connecting plate, the casting of different models can be clamped and fixed in multiple directions, the casting is kept in the center position of placing table, the accuracy of casting welding is guaranteed, and the offset of welding position in the welding vibration of casting is prevented.

The utility model relates to a kind of anti-pollution traction device for FPC process, solve the problem of quality deficiency and low efficiency of traditional adhesive tape fixed mode in FPC processing, the device is replaced by clamping plate to realize no glue operation, eliminate the residual problem of dry film scrap on the surface of adhesive tape, prevent the phenomenon of water stain through the edge of adhesive tape reverse infiltration, on the side of clamping plate, it is equipped with clamping structure, this structure can evenly disperse clamping pressure, while ensuring the fixation of FPC, effectively avoid the material damage that traditional clamping mode can cause, boss and limit guide plate integrated design, improve line change efficiency, reduce the error rate of operation, the device can reduce process pollution source, improve product yield and save manpower cost, provide reliable technical support for the large-scale, high-quality production of FPC.

The invention relates to the technical field of intelligent welding, in particular to an intelligent triggering magnetic type spectacle frame hinge laser welding platform and a welding method thereof.The intelligent triggering magnetic type spectacle frame hinge laser welding platform comprises a machine table and a bearing table arranged on the machine table, a multidirectional translation mechanism is arranged on the bearing table, a support is connected to the multidirectional translation mechanism, and a welding head is arranged on the support; the conveying assemblies are symmetrically arranged on the machine table, and a conveying belt is connected to the conveying assemblies; the lifting assembly is arranged on the machine table, a supporting plate is connected to the lifting assembly, a clamping groove is formed in the supporting plate, an electromagnetic device is arranged on the supporting plate, and a receding mechanism connected with the conveying assembly is arranged on the supporting plate; and the magnetic attraction locking mechanism is arranged on the supporting plate, a first deflection plate and a second deflection plate which are symmetrically distributed are connected to the magnetic attraction locking mechanism, the angle of the first deflection plate and the angle of the second deflection plate are adjusted through magnetic force, materials attracted into the clamping groove through the magnetic force can be positioned and locked, and therefore the welding precision is ensured.

The utility model belongs to cell preparation technical field, concretely relates to a kind of tissue disrupter for cell preparation, including cell disrupter body, amplitude rod is installed in cell disrupter body inner wall, cell disrupter body inner wall installs lifting platform, lifting platform transverse end surface abuts beaker, silica gel pad that beaker surface abuts limit ring inner wall is bonded, limit ring other side surface is connected with moving rod, moving rod surface is slidably connected in the sliding slot of the top of mounting box, mounting box inner wall surface is connected with limit rod, limit rod other side surface is connected with fixed plate, the utility model, by the mutual cooperation between limit ring, moving rod, mounting box, sliding slot, limit rod, fixed plate, dovetail block, spring and side block, the beaker placed on lifting platform is clamped and limited, to avoid its in the process of being broken by ultrasonic vibration driven displacement, cause the influence cell breakage processing uniformity and security.

The utility model discloses a chip test fixing device, which comprises a device bottom plate, a positioning plate is fixedly arranged above the front end of the device bottom plate, a movable plate is arranged at the front end of the device bottom plate along the lower part of the positioning plate, the positioning plate and the movable plate are both L-shaped plates, a translation block is fixedly arranged below the movable plate, and the translation block is fixedly arranged on the front end of the device bottom plate. A fixing plate is arranged below the translation block, the fixing plate is fixedly connected with the device bottom plate, a lead screw is rotationally installed in the middle of the lower portion of the translation block, the lower end of the lead screw penetrates through the fixing plate and is in threaded connection with the fixing plate, and a first rubber pad is fixedly installed on the inner side of the positioning plate; a second rubber pad is fixedly installed on the inner side of the movable plate. According to the invention, the rapid positioning capability of the chip is realized, and the practicability is improved, so that the problem that the chip is inconvenient to rapidly position and fix when the chip is fixed is solved.

This invention discloses a constant-gravity traction machine with a clamp that can move relative to the compression direction, comprising a first and a second traction trolley. Each trolley is equipped with an adjustment frame, on which a traction component is slidably mounted via a guide rail. The traction component includes a traction block driven to rotate by a drive component, and a tension sensor is integrated on the traction block. Each trolley is equipped with a drive component for driving the traction component to slide along the adjustment frame. A wheel-type drive mechanism on the trolley enables overall movement. During operation, the tension sensor detects the tension of the thin profile on the traction block in real time and transmits it to the control system. The system calculates the actual traction force and compares it with the set value, dynamically adjusting the position of the traction component relative to the trolley, thereby compensating for and stabilizing the traction force in real time. This achieves closed-loop precise control of the traction force, effectively preventing problems such as deformation and dimensional inconsistencies in the thin profile caused by tension fluctuations, and significantly improving product quality and yield.

The utility model discloses a dismounting tool for a filter element of an oil filtering separator, and belongs to the technical field of aviation oil filtering equipment maintenance, the dismounting tool comprises a rod body, a grip, a connecting piece and a clamping assembly, the clamping assembly comprises two clamping blocks, the two clamping blocks are movably installed at one end of the rod body, the grip is arranged at the other end of the rod body, a switch is arranged on the grip, and the connecting piece is connected with the rod body. The connecting piece is connected with the switch and the two clamping blocks so that the two clamping blocks can be driven to be close to or away from each other through the switch and the connecting piece. The installation depth of the filter element is matched through the rod body, a worker does not need to stretch into the oil filtering separator, and the limitation that the filter element is difficult to disassemble and assemble due to the fact that the arm length of the worker is insufficient is overcome; the filter element can be clamped and loosened by the two clamping blocks by operating the switch, so that a worker is effectively prevented from inhaling volatile aviation oil steam due to probing into the oil filtering separator, the risk of inhaling harmful gas is reduced, and the health and safety of the worker are guaranteed.

This invention discloses an easy-to-install chip fixing device, comprising a base, an auxiliary limiting mechanism, and an adsorption mechanism. It further includes: a hydraulic cylinder fixedly connected to the inner wall of the bottom end of the base, with a support plate fixedly connected to the outer wall of the top end of the base; the output end of the hydraulic cylinder passing through the support plate; a stop fixedly connected to the output end of the hydraulic cylinder, with a central support fixedly connected to the outer wall of the top end of the stop; an L-shaped side support plate fixedly connected to one side of the outer wall of the central support by screws; a limiting bending plate located on one side of the central support; a support frame with multiple springs fixedly connected to its bottom end, the bottom ends of which are fixedly connected to the top end of the support plate; the output end of the hydraulic cylinder passing through the inner wall of the top end of the support frame; two sets of waist-shaped grooves symmetrically arranged on the support frame; and two bent connecting rods. This easy-to-install chip fixing device reduces chip damage, simplifies chip placement, and eliminates the need for additional calibration steps.

This utility model discloses a sewing fixture for irregularly shaped, non-slip pencil cases, relating to the technical field of garment accessory sewing auxiliary equipment. It includes a lower pressure plate assembly and an upper pressure plate assembly. The lower pressure plate assembly includes a lower pressure plate body with a bottom irregular opening that penetrates through the lower pressure plate body. The upper pressure plate assembly includes an upper pressure plate body, a pressure cap, and a rotating plate. One end of the upper pressure plate body is hinged to the lower pressure plate body, and a top irregular opening of the same shape and size is provided on it corresponding to the bottom irregular opening, penetrating through the upper pressure plate body. The pressure cap is disposed within the top irregular opening, and the outer peripheral wall of the pressure cap and the wall of the top irregular opening form a sewing path of the same width. One end of the rotating plate is rotatably mounted to one side of the irregular opening, and the other end of the rotating plate is fixedly connected to the pressure cap. This design solves problems such as poor clamping stability and non-standard sewing when sewing irregularly shaped pencil cases, improving the quality and efficiency of pencil case production.

The utility model belongs to the field of caliper machining equipment, and particularly relates to a caliper screw locking mechanism which comprises a locking assembly and a feeding assembly, the locking assembly and the feeding assembly are both installed on a machine frame, the locking assembly comprises a guide column and a push rod, the guide column is arranged on the machine frame and provided with a center hole extending in the vertical direction, and the push rod is arranged in the center hole. The push rod is slidably arranged in the center hole in a penetrating mode, the feeding assembly is configured to be capable of pushing screws into the center hole, and the push rod is configured to be capable of pushing the screws in the center hole out of the center hole and screwing the screws into the caliper; the guide column is composed of a column-shaped body, a clamping block and an elastic rubber sleeve, a mounting groove is formed in the bottom of the column-shaped body, the clamping block is located in the mounting groove, the clamping block and the column-shaped body jointly form a center hole, and the rubber sleeve is arranged outside the column-shaped body in a sleeving mode and wraps the column-shaped body and the clamping block at the same time. According to the utility model, the rubber sleeve structure is arranged, so that the screw can be elastically clamped, and the external diameter error of the screw within a certain range can be self-adapted while the clamping stability is ensured.