38results about How to "Improve bending accuracy" patented technology

This utility model discloses a multi-axis automatic positioning mechanism for an electro-hydraulic bending machine, belonging to the technical field of bending machines. The multi-axis automatic positioning mechanism for an electro-hydraulic bending machine includes a base, a limiting mechanism on the base for positioning the sheet metal, a fixed seat fixed to the top of the base, two bearing seats mounted on the fixed seat, a drive shaft rotatably connected between the two bearing seats, two connecting seats fixed to the outside of the drive shaft, a flipping plate fixed to the connecting seats, a rubber pad connected to the top of the flipping plate, a drive mechanism on the fixed seat for driving the drive shaft to rotate, and a buffer assembly on the base. This utility model solves the problem that existing automatic positioning mechanisms for bending machines cannot dynamically support the sheet metal. By setting a flipping support structure, this utility model provides real-time support to the bottom of the sheet metal during bending, effectively preventing sagging, displacement, or deformation of the sheet metal due to its own weight or uneven force.

The utility model relates to the technical field of glass bending, and provides a glass bending assembly which comprises a deformation bending mechanism used for bending glass and changing the shape and a driving mechanism connected with the deformation bending mechanism. When the glass is bent, the driving mechanism drives the deformation bending mechanism to move towards the bending direction of the glass; and after the glass is bent, the driving mechanism drives the deformation bending mechanism to reset. The deformation bending mechanism can adjust the self structure in real time according to the actual bending form of the glass, and the problem of stress concentration caused by the fact that a traditional rigid bending mechanism cannot adapt to glass deformation is effectively solved. The dynamic adaptive mechanism obviously improves the bending precision, is particularly suitable for forming processing of bending the glass at 90 degrees, and meanwhile, reduces the risk that the glass cracks or is damaged in the bending process.

The utility model relates to the technical field of bending machine, concretely relates to a straight and inclined integrated bending machine, including the processing platform, the detachable installation of straight concave mould and inclined concave mould is arranged on the upper surface of processing platform, the upper of straight concave mould and inclined concave mould is provided with straight convex mould and inclined convex mould respectively, the four corner parts of straight concave mould and inclined concave mould all are provided with sleeve, the sleeve is provided with annular groove, the central position of sleeve is fixedly installed with the vertical guide rod of setting, the annular groove is provided with spring, and the spring is around the guide rod, the four corner parts of straight convex mould and inclined convex mould all are fixedly installed with sliding block, and the sliding block is sleeved on the guide rod and is connected between the guide rod and slidingly, the sliding block is above the spring, and the upper of straight convex mould and inclined convex mould all is provided with the hydraulic cylinder for driving the convex mould downward movement and bending operation. The utility model does not need to frequently dismount and install the die, and has the advantages of straight and inclined integrated machining.

The utility model discloses a kind of mould for surgical electrode processing, to provide a kind of mould for surgical electrode processing which is conducive to improving electrode production efficiency, it includes upper die;Lower die, upper die and lower die are slidably connected upside down, when mould closes, upper die and lower die jointly constitute cavity;Front end punch bending assembly and left and right extrusion assembly, all fixedly connected in the front end of cavity, front end punch bending assembly is located in the side of left and right extrusion assembly;Rear end punch bending assembly, fixedly connected in the rear end of cavity.The beneficial effects of the utility model are: the front end and rear end of bipolar electrode are bent at a certain angle by mould, to replace manual processing, reach the purpose of being conducive to improving electrode production efficiency;Convenient installation and disassembly, while conducive to material saving;While being conducive to improving production efficiency, bending precision is improved;It is conducive to improving the stability and firmness of electrode structure;Simple structure, conducive to cost saving.

This application relates to the technical field of automotive parts processing equipment, and discloses a side-sealing mechanism for airbag mounting plates. The mechanism includes a lower template and an upper template. A support base is provided on the lower template. A first groove is formed on one side of the lower template near the support base. A movable plate is slidably disposed within the first groove. An inner abutment block is provided at the end of the movable plate near the support base. A second groove is formed on the top of the movable plate parallel to the length direction of the first groove. An outer pressure block, which inserts into the inner abutment block, is slidably disposed within the second groove. A driving block is provided at the end of the movable plate away from the support base. Slanted side panels are provided on opposite sides of the driving block and the outer pressure block, with the tops of the two slanted side panels extending in opposite directions. A lower pressure seat is provided on the upper template between the driving block and the outer pressure block. Slanted push panels are provided on both sides of the lower pressure seat to cooperate with the slanted side panels. This application improves the efficiency of processing side-sealing of mounting plates.

This invention discloses an in-mold stamping device for copper busbars in a new energy vehicle electrical control box. A lower die base is fixed above a translation plate, and a lower template is fixed above the lower die base. A centering structure is provided on the lower template, and a pushing structure is installed on the lower template. The internal cavity of the lower die base is designed to form an installation cavity. A driving component is slidably installed in the installation cavity. The driving component is slidably connected to the centering structure and the pushing structure, and is slidably connected to the driving frame. A top plate is fixed above the base by four columns. A hydraulic cylinder is fixed above the top plate. The push rod of the hydraulic cylinder passes through the top plate and is positioned below the top plate. The bottom end of the push rod of the hydraulic cylinder is fixed to the upper die base. The centering structure can first clamp the workpiece, so that the front and rear sides of all workpieces are in the same position. Then, the pushing structure moves the workpiece to the left and abuts against the positioning block, ensuring that the position of all workpieces is the same and improving the processing accuracy during subsequent bending.

The utility model discloses a sheet metal part positioning bending device, including device main part, setting on the bending assembly and positioning assembly of device main part, the bending assembly includes the bending groove and with the lower pressure mechanism of bending groove correspondence, and the positioning assembly includes the positioning baffle and support plate respectively setting in the both sides of bending groove, and the end surface of support plate is flush with the end surface of bending groove, and the both sides of support plate are provided with two sets of positioning shafts, and the positioning shaft is swing setting. The positioning baffle in scheme ensures the sheet metal part end positioning precision, avoids the sheet metal part along the length direction deviation when bending. The support plate is flush with the end surface of bending groove, eliminates the height difference of both junctions, prevents the partial deformation or surface indentation of sheet metal part after placing. The swing setting positioning shaft replaces the traditional manual holding positioning mode, reduces the safety risk of the hand of operating personnel being injured by the lower pressure mechanism, can continuously limit the top surface of sheet metal part, reduces the bending position deviation and angle fluctuation, and improves the bending precision.

The application belongs to the technical field of mainboard processing, and discloses a mainboard bending equipment and a bending method, the mainboard bending equipment comprises a bending mechanism, a pre-guiding mechanism and a visual detection mechanism; the bending mechanism comprises a gripper capable of moving along a first direction, a second direction and a third direction, and the gripper can also make a circular motion around the second direction; the pre-guiding mechanism comprises an angle block and a guide block, and can pre-guide when the mainboard is bent; the visual detection mechanism is in communication connection with the bending mechanism, the visual detection mechanism can collect image information of the mainboard, and the bending mechanism adjusts the position of the bent part of the mainboard according to the image information; while realizing the automation of mainboard bending, the bending equipment has high bending precision.

This invention relates to the field of sheet metal forming technology, specifically a layout and bending process. It includes a steel plate. Before the steel plate is stamped by a punch press, sheet metal parts are pre-reserved on the surface of the steel plate. Multiple sheet metal parts are pre-stamped with mounting holes and through holes punched along the four edges of each sheet metal part. The four corners of each sheet metal part are connected to the steel plate. The sheet metal parts are rectangular in shape. Before bending the steel plate, the following steps are required: determining the bending radius by calculating the minimum bending radius and determining the bending radius according to process requirements. This layout and bending process, by bending the sheet metal parts together with the steel plate, facilitates quick placement by workers and allows the punch press to position the sheet metal parts and the steel plate. It also allows for bending multiple sheet metal parts simultaneously, effectively increasing bending efficiency and accuracy, and ensuring product quality.

A guide rail bending device, comprising an arc adjusting mechanism, a supporting mechanism and a bending mechanism, the arc adjusting mechanism comprises a first connecting seat and a plurality of arc adjusting components arranged on the first connecting seat, the plurality of arc adjusting components are transversely arranged and have a height difference between upper and lower portions to form a bending arc required by the guide rail; the supporting mechanism comprises a supporting component and a pressing piece, two ends of the supporting component are respectively hinged to the first connecting seat and the pressing piece; the bending mechanism comprises a bending component and a placing rack for placing the guide rail, the bending component is used to drive the placing rack to move vertically to abut against the pressing piece, and the guide rail on the placing rack is bent and deformed under the action of the plurality of arc adjusting components. In the present application, the pressing piece in the supporting mechanism can effectively protect the guide rail during the guide rail bending process, avoid direct contact between the guide rail and the arc adjusting components, effectively prevent the abrasion between the guide rail and the supporting structure, prolong the service life of the guide rail and ensure the processing quality of the guide rail.

This utility model discloses a tube bending machine for vehicle frame production, including a base platform and a support frame fixed on top of it. A first cylinder is mounted on the top of the support frame and is connected to a forming mold located below the support frame. The base platform has forming wheels that cooperate with the forming mold. It also includes a heating mechanism, a tube fixing mechanism, and a cooling mechanism. The heating mechanism includes a movable seat, a second cylinder, a guide rail, and an electromagnetic heating component. The movable seat is slidably mounted on the side of the base platform via the guide rail. The second cylinder drives the movable seat to move in a direction closer to and away from the tube fixing mechanism. The electromagnetic heating component is fixed on the movable seat. The movable electromagnetic heating mechanism locally heats and softens the part of the tube to be bent, reducing bending resistance. Combined with the cooling mechanism, it quickly shapes the tube, reducing material springback and surface cracks, significantly improving the bending accuracy and yield of high-hardness tubes. At the same time, the integrated process shortens the tube processing cycle.

The application relates to a processing technology of a C-shaped fixture for a feeder card, which comprises the following steps: S1, workpiece cutting and punching; S2, workpiece polishing and deburring: a pushing mechanism on a cutting machine discharges qualified plate pieces into a first vibrating disc, the first vibrating disc sequentially conveys the plate pieces to a feeding table to be stacked, a counter is used to count the number of the stacked plate pieces on the feeding table, and the feeding table moves the stacked plate pieces into a dry grinder at one time; and S3, workpiece bending and shaping: a second vibrating disc sequentially conveys the polished plate pieces into a feeding box of a bending machine; the application uses two vibrating discs to transfer the workpieces obtained in the cutting and punching and polishing and deburring processes, liberates human resources, controls the feeding and discharging speeds between the stations, realizes automatic workpiece transfer between the processes, realizes seamless connection between the processes, and improves the production efficiency.

The utility model belongs to the technical field of carton processing, and particularly relates to an automatic bending device for carton edge folding, which comprises a base and further comprises a placing table, the bottom end of the placing table is fixedly mounted at the top of the base, two adaptive grooves are formed in the top end of the placing table, and the bottom end of the placing table is fixedly mounted on the base. Mounting grooves are formed in the inner walls of the sides, close to each other, of the two adaptive grooves, and first electric push rods are fixedly mounted on the inner walls of the two mounting grooves; the number of the telescopic plates is two, the telescopic plates are connected to the inner walls of the bottoms of the corresponding adaptive grooves in a sliding mode, and output shafts of the first electric push rods are fixedly installed on one sides of the corresponding telescopic plates; the bottom end of the bracket is fixedly mounted at the top of the base; the supporting width of the top of the placing table and the distance between the two folding plates are adjusted through a simple structure, so that cartons of different specifications can be bent, operation is convenient, time and labor are saved, and applicability and practicability are high.

The utility model provides a kind of high-precision hydraulic plate bending machine, it is related to bending machine technical field, comprising: body, replacement component and positioning component, the side of body is provided with hydraulic cylinder, the bottom of hydraulic cylinder is fixedly connected with link block.The high-precision hydraulic plate bending machine, by the setting of replacement component, when using, limit slide block is slid to link block inside, while driving spring and telescopic rod shrink, after limit slide block and link block are pasted, spring rebound drives mounting clamping block to be clamped into the clamping groove in the top of limit slide block, make stable connection between limit slide block and link block, and then complete the installation to bending plate, reverse sliding limit slide block can disassemble bending plate, reach the effect that improve device operation flexibility and convenience, avoid traditional bending machine when disassembling bending head to need spend certain time and energy, lead to increase artificial working time length, reduce the condition of bending head dismounting efficiency.

This utility model discloses a rebar bending machine, belonging to the technical field of rebar processing equipment, mainly used for bending rebar. The technical problem this utility model aims to solve is to provide a rebar bending machine, including a frame, a bending platform, a rotary table, a bending column, a limiting column, an auxiliary table, and a positioning device. The positioning device includes a positioning seat disposed on the side of the rotary table. The upper surface of the positioning seat has a scale line indicating the straight-line distance between the center of the transverse limiting member and the center of the limiting column. A groove is provided on the side of the scale line, and a slider and a locking element are disposed within the groove. The positioning seat has a longitudinal adjustment mechanism with a transverse limiting member at its end. The longitudinal adjustment mechanism has a positioning rod that abuts against the slider to limit the movement of the longitudinal adjustment mechanism. The distance between the positioning rod and the transverse limiting member is equal to the straight-line distance from the center of the limiting column to the edge of the rotary table. This rebar bending machine can quickly bend rebar according to dimensions, achieving standardized bending of rebar, improving bending efficiency, and ensuring bending accuracy.

This utility model belongs to the field of bracket technology, and in particular to a front bracket for a bending machine. It includes a front panel of the frame, a slide rail fixedly mounted on the side wall of the front panel, a slider engaged and slidably connected to the slide rail, a side plate fixedly connected to the slider, and a connecting plate perpendicular to the side plate fixedly connected to the center of the side plate. The side wall of the connecting plate is provided with pulleys, and a support bracket moves vertically between the two pulleys. This utility model achieves flexible horizontal adjustment of the support bracket through the cooperation of the slide rail and slider, with a limiting post ensuring safe movement; the cap bolt and rotating bolt respectively provide stable positioning in the horizontal and vertical directions, preventing displacement after adjustment; four symmetrical pulleys reduce friction during vertical movement of the support bracket, making adjustment smoother; the overall structure is adaptable to workpieces of different sizes, improving bending accuracy and processing efficiency, and solving the problems of inconvenient adjustment and poor stability of traditional brackets.

This utility model discloses a bending device, comprising: a frame, on which a drive mounting part and a bending part are provided, wherein the number of drive mounting parts is three, and the three drive mounting parts are evenly distributed on the frame, and each drive mounting part is provided with a drive device; and a bending mechanism, the bending mechanism comprising a side plate, a lifting plate, a pressure plate, and a pressure block, wherein the side plate is disposed on the bending part, the lifting plate is disposed on the bending part, the pressure plate is drivenly connected to the drive device, and the pressure block is movably disposed on the pressure plate, the position of the pressure block corresponding to the position of the lifting plate. This utility model can improve the processing range of the bending machine.

This invention discloses an intelligent monitoring system and method for steel wire rope safety, belonging to the field of non-destructive testing technology for steel wire ropes. The system includes a three-layer sensor array, a data acquisition and processing unit, a digital twin computing platform, and an intelligent diagnostic and early warning terminal. The three-layer sensor array consists of a pulsed eddy current-leakage magnetic flux composite sensor array, a fiber Bragg grating stress-vibration monitoring unit, and a machine vision surface defect detection module. The pulsed eddy current-leakage magnetic flux composite sensor array includes 12 sensing units evenly distributed along the circumference, employing a three-frequency time-division multiplexing method to achieve layered detection from the surface to the core, with penetration depths of 0.65 mm, 3.5 mm, and 8.5 mm, respectively. The fiber Bragg grating stress-vibration monitoring unit includes three optical fibers and 36 fiber Bragg gratings, reconstructing the three-dimensional stress state of the steel wire rope. The system fuses multi-source data using Dempster-Shafer evidence theory, achieving a false alarm rate of less than 2%, realizing real-time online monitoring and accurate life prediction of the steel wire rope.

The utility model relates to the field of sheet metal working, in particular to angle-adjustable bending equipment for sheet metal working. The equipment comprises a supporting frame and a supporting plate, a punching groove is formed in the supporting frame in a penetrating mode, the supporting plate is arranged on the lower side of the supporting frame, and a deformation groove aligned with the punching groove is formed in the supporting plate. Two contact plates are arranged on the two sides of the punching groove in the upper end of the supporting frame, and a driving mechanism I is arranged below the contact plates. The driving mechanism I can drive the two contact plates to move relatively, so that the distance between the two contact plates is changed, and the bending position and angle of the workpiece to be machined are accurately adjusted. Due to the introduction of the equipment, the flexibility and efficiency of the production process are remarkably improved, meanwhile, the production cost is reduced, and the product bending precision and the quality stability are ensured.

This utility model discloses an electronic device pin bending fixture, specifically relating to the field of electronic device pin bending technology. It includes a support plate with support bars symmetrically fixed to both sides of its bottom. Mounting ear plates are fixed to one end of each support bar, and a support seat is provided on the top of the support plate. This utility model first uses positioning posts and fixing bolts to install and fix the support seat. A limiting plate positions the electronic device to ensure accurate positioning. By activating a first electric push rod to control the movement of the bending pressure plate, the pins can be bent longitudinally. By activating a second electric push rod to sequentially control the synchronous movement of the moving bending blocks, the electronic device pins can be bent laterally, achieving the desired soldering state. The bending position is fixed during the bending process, effectively improving the bending accuracy and product quality of the electronic device pins, and enhancing the assembly qualification rate and overall performance of the electronic device.

The utility model discloses a bending machine with lighting function belongs to bending machine technical field, including bending machine body, the bending machine body is installed with the cutter, the front fixedly connected with the lighting device of bending machine body, the one side fixedly connected with the clamping device of convenient angle regulation of lighting device. In the utility model, when needing lighting assistance, operator only needs to rotate three -range regulator to open the lamps and lanterns, and adjusts the lighting angle through the rotation shell, and the shell drives the sliding bar to slide in the adjusting groove, simultaneously drives the lamps and lanterns to rotate to the suitable angle, then, rotates the rotating plate, drives the thimble to rotate along the threaded rod, when the rotating plate reaches the predetermined position, the shell and lamps and lanterns are locked firmly, and the structure can provide sufficient light source, enhances the visibility of work area, effectively reduces the shadow interference, ensures that the bending line, the alignment position and the scale mark are clearly visible, thereby improves the bending precision and reduces the error.

The utility model relates to the technical field of bending equipment, in particular to a bending machine suitable for forging blanks, which comprises an operation table, a movable plate is arranged on the operation table in a sliding structure mode, the movable plate is connected with the operation table through a cylindrical linear guide rail, one side of the movable plate is connected with an X-direction power part used for driving the movable plate to slide, and the X-direction power part is connected with the operation table. A groove is formed in the moving plate, a plurality of horizontal threaded holes are formed in the side walls, on the two sides of an opening of the groove, of the moving plate at intervals, the two mounting bases are connected with the moving plate through meshing of horizontal bolts and the horizontal threaded holes, and pressing rollers are arranged on the inner sides of the mounting bases; according to bending requirements, the positions of the two pressing rollers can be adjusted respectively, bending of shackle type symmetrical structure products can be met, bending of hook type asymmetrical structures can also be met, and the equipment purchasing cost is reduced.

The invention relates to the technical field of metal plate machining, in particular to a feeding rotary pressing arm device for metal plate machining, which comprises a mounting frame, a moving groove is arranged in the middle of the upper end face of the mounting frame, first sliding rails are fixedly connected to two sides of the upper end face of the moving groove, and a base is slidably connected to the moving groove through the first sliding rails. And a plurality of connecting pieces are distributed and fixed to the two sides of the mounting frame at equal intervals, and a moving mechanism for driving the base to move is arranged in the moving groove. Through the hinged design of the supporting shaft between the main pressing arm and the base and the first air cylinder, the first air cylinder drives the main pressing arm to deflect, so that the pressing mechanism and the rotating mechanism are distributed in a staggered mode, in this way, a raw material plate can be directly and vertically placed over the rotating mechanism through the mechanical arm, transfer is not needed, the process is simplified, the feeding time is greatly shortened, and inclination of the raw material plate is avoided; the bending machine improves machining efficiency and is particularly suitable for the bending process of frequent feeding. As shown in Figure 1, the overall structure of the device shows the deflection mechanism of the main pressing arm.

The invention discloses automatic steel plate bending production equipment which comprises a raw material storage rack, a walking executing mechanism, a bending machining mechanism, a grabbing and carrying mechanism and an auxiliary positioning mechanism, a to-be-machined steel plate is arranged on the raw material storage rack, and the to-be-machined steel plate is grabbed by the grabbing and carrying mechanism to move to the bending machining mechanism in the first direction to be bent and formed; the raw material shelf is used for bearing a to-be-processed steel plate; the walking executing mechanism is arranged between the raw material storage rack and the bending machining mechanism and comprises a linear walking assembly extending in the first direction. The grabbing and carrying mechanism is installed on the walking executing mechanism and comprises a carrying assembly, and when the grabbing and carrying mechanism moves to one side of the raw material storage rack, the carrying assembly is located above the raw material storage rack and used for sucking the steel plate to be machined from the raw material storage rack and carrying the steel plate to the bending machining mechanism along with the linear walking assembly. The full-process automation of the steel plate from feeding, positioning, carrying to bending is achieved, the production efficiency is improved, the surface damage risk is reduced, and flexible and continuous production is supported.

The utility model discloses a clamp for special-shaped bending. The clamp comprises a bottom plate; a first bending mechanism; the second bending mechanism is arranged on the first positioning guide rail and the second positioning guide rail in a sliding mode, and the second bending mechanism is provided with a second rotating disc rod assembly used for bending the product; a positioning mechanism; and the third bending device is used for bending the middle part of the product. According to the metal product bending machine, metal products are bent from the two sides at the same time through the first rotating disc rod assembly of the first bending mechanism and the second rotating disc rod assembly of the second bending mechanism, traditional heating and steel wire rope traction are not needed, the automation degree is higher, multiple times of bending can be conducted, operation complexity and time cost are reduced, and production efficiency is improved. And the production efficiency is effectively improved. In the utility model, the first turntable rod assembly of the first bending mechanism adopts a transmission mode that the cylinder drives the rack-gear, so that the structural stability is better, and the bending precision can be effectively improved.

The application relates to the technical field of metal piece bending devices, in particular to a metal piece bending forming device. The technical scheme comprises a machine body, multiple groups of pressure type components, a transmission mechanism, a pressure conversion structure and a pressure control component. The pressure type component comprises a base plate fixed to the machine body, a rotating plate rotatably installed on the base plate through a rotating connecting piece, a pressure head slidably installed on the rotating plate and a push rod motor fixedly installed. The transmission mechanism changes the volumes of a first liquid cavity and a second liquid cavity by rotating the rotating plate, the pressure conversion structure comprises liquid storage barrels in communication with the two liquid cavities, and the pressure control component keeps the pressure difference inside the two liquid storage barrels constant. The push rod motor and the pressure head are installed on the same plate, the feeding direction is consistent with the direction of the pressure head, transverse sliding friction is eliminated, constant force reset is realized through hydraulic transmission and constant pressure difference, and the problem that the spring reset resistance increases with the angle is avoided.

The utility model relates to the technical field of capacitor bending, and discloses a bending device for capacitor processing, which comprises a frame body, the side wall of the frame body is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a driving shaft, the side wall of the driving shaft is in transmission connection with a conveyor belt, and the conveyor belt is in transmission connection with the output end of the driving motor. And a bending assembly is arranged above the conveying belt. According to the bending device for capacitor processing, the guide arc plates guide the pins of the capacitors in a staggered manner, so that the two pins forcibly enter standard positions and angles, the angles of the capacitors are kept consistent, the bending starting point, the bending direction and the bending angle are kept consistent, the pins are uniformly stressed in the plastic deformation process through the bending plates, and the bending quality is improved. Pin breakage and stress damage are avoided, meanwhile, the pins can be bent according to the same path, angle and position through slow guiding, the lengths of the formed pins are consistent, and follow-up detection and plug-in are facilitated.

This invention discloses a one-time forming mold for an R-shaped buckle and its processing technology, which produces an arc segment and an inner bend at the end of the arc segment in one step, with high bending accuracy for the inner bend. The solution includes a lower mold base, on which a lower mold body is rotatably mounted. A spring connects the lower mold body and the lower mold base. A lower arc forming area is provided on the lower mold body, with its top extending inward to form a bending sharp angle. By rotating the lower mold body relative to the lower mold base, the lower mold body utilizes the bending sharp angle to form the inner bend in one step when forming the arc segment of the irregular buckle, achieving high forming accuracy.

This utility model belongs to the field of metal parts processing and provides a metal parts bending device. The metal parts bending device includes a machine base, a column on the machine base, a top seat on the column, a bending cylinder on the top seat, a fixed seat on the drive shaft of the bending cylinder via a connecting seat, and a clamping seat on the fixed seat via a fixing assembly. Both the fixed seat and the clamping seat have opposing clamping grooves. A bending pressure head is placed in the clamping groove. The fixed seat has blocking assemblies at both ends corresponding to the bending pressure head. The blocking assembly includes rotatably mounted blocking blocks, and a linkage rod is provided between the blocking blocks. The fixed seat has a pair of upper and lower locking blocks corresponding to the linkage rod, and one of the blocking blocks also has a blocking rocker arm. This device uses a fixing assembly composed of a cam, a pull rod, and a spring. The operator only needs to rotate the cam to quickly loosen or tighten the clamping seat, realizing rapid replacement of the bending pressure head, which significantly shortens the mold change time compared to traditional devices.

The utility model relates to the technical field of lithium battery manufacturing, and discloses a lithium battery tab bending device which comprises a base, a bearing mechanism arranged on the base and capable of moving relative to the base, limiting mechanisms arranged on the two sides of the bearing mechanism, and a bending mechanism arranged on the base and corresponding to the position of a tab. And the positioning mechanism is used for relatively positioning the battery cell and the bearing mechanism. The battery cell is accurately positioned to the bearing mechanism through the positioning mechanism, and the bearing mechanism can move back and forth along the moving path, so that tabs on the two sides are sequentially moved to the bending mechanism to complete bending operation. According to the design, the battery cell does not need to be overturned or repeatedly positioned, the double-side tab bending process can be realized through one-time positioning, and the deformation or tearing risk of the tabs caused by multiple times of positioning is avoided; the limiting mechanism precisely limits the moving path of the bearing mechanism, it is ensured that the corresponding positions of the tabs and the bending mechanism are kept consistent, and the bending precision is effectively improved.