32results about How to "High clamping precision" patented technology

The invention relates to a universal mandrel groove grinding device, in particular to a universal mandrel adjustable groove grinding device and a groove grinding method, and aims at solving the technical problems that when an existing clamp is used for grinding sliding grooves of a universal mandrel, it is difficult to guarantee that the included angle between the groove and the central axis of the mandrel meets the technical requirement, indexing of the three sliding grooves is inaccurate, and the repeated positioning precision is low. The device comprises a wedge-shaped bottom plate, and a first clamping mechanism, an indexing mechanism, a supporting mechanism and a second clamping mechanism which are arranged on the wedge-shaped bottom plate, the first clamping mechanism and the second clamping mechanism are used for positioning the universal mandrel to be subjected to groove grinding from the two ends in the axial direction correspondingly. The supporting mechanism is used for supporting and fixing a universal mandrel of a to-be-ground groove; the indexing mechanism comprises a tooth aligning pin seat, a tooth aligning pin and an indexing ring; the tooth aligning pin is mounted on the tooth aligning pin seat, and positioning teeth are arranged at the top of the tooth aligning pin; a plurality of jackscrews are arranged on the indexing ring; a positioning groove is formed in the peripheral surface of the indexing ring; and the positioning teeth are matched with the positioning grooves so as to realize circumferential positioning of the universal mandrel to be subjected to groove grinding.

The utility model discloses an automatic clamping device for a disc-shaped cutter. The automatic clamping device comprises a table top, a positioning pull rod, a central lantern ring, a positioning pin, an elastic strip, a clamping shell, a clamping seat, a magnetic attraction device and a linear driving device. In the material waiting state, the linear driving device pushes the positioning pull rod to move forwards, so that the positioning pin retracts into the open groove of the clamping shell, due to the fact that large dimensional tolerance exists between the inner hole of the disc-shaped cutter and the outer wall of the clamping shell, positioning taking and placing of the mechanical arm can be met, and after the mechanical arm places the disc-shaped cutter, the linear driving device pulls the positioning pull rod to move backwards. The conical head pushes all the positioning pins to be exposed out of the open grooves at the same time to abut against the inner hole of the disc-shaped cutter, and the effect of positioning the center of the inner hole of the disc-shaped cutter is achieved. And meanwhile, under the magnetic attraction action of the magnetic attraction device, the disc-shaped cutter is tightly attached to the front end face of the clamping base, it is effectively guaranteed that the axis of the disc-shaped cutter coincides with the axis of the clamping device, and the clamping precision is effectively improved.

The invention relates to a clamping-force-adjustable clamping tool suitable for a magnetically soft alloy thin-wall ring sleeve and a clamping method. The clamping-force-adjustable clamping tool comprises a chuck assembly located at the front end, a pull rod located in the middle and a pressure adjusting air cylinder located at the tail. The chuck assembly is composed of a pneumatic three-jaw chuck body, a sub-jaw, a clamping force measuring assembly and a force measuring auxiliary jaw. The clamping force measuring assembly comprises a force measuring contact and a force measuring sensor; three clamping jaws at the front end of the pneumatic three-jaw chuck main body form a female clamping jaw; the three sub-clamping jaws are fixedly installed at notches in the front ends of the three main clamping jaws respectively, and the inner side faces of the three sub-clamping jaws define a workpiece clamping face. The inner sides of the three female clamping jaws are respectively provided with a radial insertion hole, a force measuring auxiliary jaw is inserted and fixed in each radial insertion hole, the outer end of at least one force measuring auxiliary jaw is provided with a force measuring contact, and the force measuring contact is electrically connected with the force measuring sensor through a connecting wire; before a workpiece is clamped, the inner side faces of the three auxiliary force measuring claws make contact with the clamping rod in a clamping mode, and the clamping force is measured and adjusted in cooperation with adjustment of the air supply pressure. According to the clamping device, the clamping force can be adjusted.

The present invention discloses an automatic workpiece clamping device for a gear grinding machine, comprising a top mechanism that is horizontally arranged and connected to a workpiece spindle, an inner cone support that is connected to the top mechanism and arranged at the end of the top mechanism away from the workpiece spindle, and an outer cone spring chuck that is arranged in the inner cone support and cooperates with the top mechanism. The present invention uses a transition connection component to connect the outer cone spring chuck and the pull rod as a whole, and the outer cone spring chuck is driven by a hydraulic cylinder to move forward or backward, clamp or loosen the workpiece spindle, and is convenient for clamping and disassembling the workpiece, and can ensure high clamping accuracy. The parts can also be clamped and loosened at any time during the processing according to requirements, solving the problem that the traditional clamping device uses a fork device to clamp the workpiece, must clamp manually, and has uneven clamping force.

This invention relates to the technical field of metal cutting tools, specifically to a compound helical end mill, comprising a neck and a cutting edge; the cutting edge includes side edges, one end of which is connected to the neck, and the other end has a plurality of side edges arranged circumferentially around the axis of the neck. Along the direction of circumferential arrangement, the side edges include left-hand left-cutting side edges and right-hand right-cutting side edges, which are set at the same end face height of the cutting edge. This structural arrangement allows both types of side edges to be aligned with the milling surface of the workpiece, thus eliminating the need to translate the end mill for re-alignment during operation, achieving efficient deburring while improving tool clamping accuracy and machining accuracy; furthermore, this structural arrangement helps to reduce the circumferential length of the end mill, making it more suitable for machining narrow grooves such as T-slots.

The lathe end face clamp of the annular part comprises a main body, one end of the main body is connected with a flange plate, the other end of the main body is provided with a pressing rod, a sliding plate is arranged in the main body, the sliding plate is connected with the pressing rod in a sliding mode, and an elastic piece is arranged between the pressing rod and the sliding plate. The pressing rod is slidably connected to the main body, and the pull rod penetrates through the flange plate and is fixedly connected with the sliding plate. According to the lathe end face clamp for the annular part, clamping deformation of the annular part is reduced by clamping the end face of the annular part, meanwhile, clamping and positioning are facilitated, and use is more convenient.

The cutting tool comprises a fixed base, a slag discharging opening is formed in the middle of the upper end face of the fixed base, the inner side of one end of the fixed base is connected with a first transmission base in a sliding mode, and the inner side of the other end of the fixed base is connected with a second transmission base in a sliding mode. The bottom ends of the first transmission seat and the second transmission seat are connected through an adjusting screw rod; a first conical pressing seat is fixedly mounted at the upper end of the first transmission seat, a second conical pressing seat is fixedly mounted at the upper end of the second transmission seat, a stator main body is mounted between the first conical pressing seat and the second conical pressing seat, and two positioning arc seats are mounted at the bottom end of the stator main body. According to the utility model, double-end positioning and locking are carried out on the stator, so that the clamping strength can be effectively enhanced, sliding deviation during cutting can be avoided, sweeps generated in the cutting process can be shielded, and harm to human bodies can be avoided.

The application discloses a crankshaft main journal center frame, the upper part of the center frame is provided with an extension assembly, the extension assembly is connected with an upper supporting arm and a lower supporting arm, the upper supporting arm and the lower supporting arm are respectively connected with a first positioning assembly and a second positioning assembly, the first positioning assembly and the second positioning assembly are in abutment with a crankshaft main journal, the upper supporting arm is connected with the lower part of the center frame in a shaft mode, the lower supporting arm is connected with the center frame in a shaft mode, a slide rail is arranged above the center frame, a sliding seat is connected with the slide rail, a hydraulic cylinder is arranged on the sliding seat, a piston rod of the hydraulic cylinder is connected with a third positioning assembly, the third positioning assembly is in abutment with the crankshaft main journal, and the application has the advantages that the application can be applied to clamping a large-size crankshaft journal, the clamping position is adjustable, the clamping precision is high, the positioning assemblies are all positioned in a shaft journal line contact mode, and the crankshaft is prevented from shaking in the grinding process.

The present invention discloses a clamp and a five-axis machining machine, which relate to the technical field of numerical control machining equipment. The clamp has a first clamping part and a second clamping part. The first clamping part is used to abut against one side of a blade, and the second clamping part is pressed against the other side of the blade under the locking action of a first fastener, thereby clamping the blade. When the clamping position of the blade needs to be adjusted, the first fastener is first loosened, and the first adjusting member is rotated to drive the pusher to slide on the guide slope, thereby driving the support seat to slide toward the blade, and the first clamping part and the blade are abutted and transmitted to adjust the clamping position of the blade between the first clamping part and the second clamping part, so that the center of the blade can be close to the central axis of the turntable. Therefore, the clamp of the present invention is conducive to improving the centering efficiency and centering accuracy of the blade.

This utility model relates to the field of valve pressure testing technology and discloses a pressure testing device for ball valve testing. The device includes a base, a testing component on the top of the base, a ball valve body on the top of the base, and a clamping component on the top of the base. In this device, the outer wall of a conical sleeve is interference-fitted with the ball valve body to achieve installation. The conical sleeve has a self-centering function; its conical outer contour guides the ball valve to automatically center and align, eliminating manual alignment and repeated adjustments, significantly improving clamping efficiency before pressure testing. It automatically adapts to pipes with different inner diameters, allowing the device to accommodate welded or flanged ball valves. The support rod abuts against the bottom of the ball valve body, providing vertical upward support and preventing the ball valve from sliding or dislodging due to water or air pressure impact during pressure testing, thus improving clamping accuracy and structural stability.

The high-precision self-centering directional clamping device comprises a base, a centering assembly and a directional assembly, the centering assembly and the directional assembly are respectively arranged on the base, the centering assembly comprises a clamping component and a pressure component, the clamping component and the pressure component form a clamping channel and can be contracted or expanded, and the directional assembly forms a directional channel communicated with the clamping channel. A to-be-clamped part penetrates through the clamping channel from one end and is inserted into the orientation channel, the orientation assembly can form positioning in the circumferential direction of the part, and the pressure component drives the clamping component to clamp or loosen the part with the center line of the clamping channel as the reference. On one hand, on the basis that the clamping channel and the orientation channel are communicated, the part is clamped by taking the center line of the clamping channel as a reference under the condition that the part is positioned in the circumferential direction, errors caused by repeated clamping are effectively reduced, the clamping precision is improved, and the yield of products can be improved; and on the other hand, operation is easy and convenient, clamping efficiency is high, machining difficulty is effectively lowered, and production efficiency is improved.

The invention discloses an elastic expansion sleeve clamp applied to turning of a lightweight differential shell and a using method of the elastic expansion sleeve clamp, and relates to the technical field of elastic expansion sleeve clamps. Comprising a carrying structure which is assembled with the end part in a lathe of the differential shell through a positioning bolt; and the driving source is arranged in the carrying structure and forms an insertion matching relationship with the carrying structure. The traction assembly and oil liquid circulation are introduced into the clamping assembly, the double effects of clamping and traction are achieved, a traction magnetic attraction rod is matched with a return spring, trace axial traction force can be applied to a shell in the clamping process, a workpiece automatically tends to a machining datum plane in the positioning process, the clamping precision is further improved, and meanwhile, the clamping efficiency is improved. An oil injection channel and an oil drainage channel arranged in the blocking ring column are communicated with the oil storage sleeve, closed lubricating oil circulation can be formed in the clamping mechanism, low-friction operation of a transmission part is kept, the service life is prolonged, and the automatic return and self-lubricating functions are achieved.

The utility model relates to the technical field of roller machining equipment, and provides a roller double-end-face machining system which comprises a clamping device composed of a clamping assembly, a linear driving assembly, a supporting lathe bed, a rotary driving assembly, a rotary supporting assembly, a feeding assembly and a discharging assembly, and machining device moving platforms symmetrically arranged on the supporting lathe bed. And the machining devices are arranged on the machining device moving platforms in a one-to-one correspondence mode, the clamping assembly can be driven by the linear driving assembly to do linear motion, the rotary base plate can be driven by the rotary driving assembly to do circular motion, the feeding assembly is arranged on one side of the clamping shell, and the discharging assembly is arranged on one side of the positioning plate. According to the utility model, high-efficiency, high-precision and consistent batch and integrated processing of the two end surfaces of the bearing roller can be realized.

The application relates to the technical field of automobile part detection tooling, in particular to a shock absorber support welding inspection tooling which comprises a rack, two installation openings are formed in the rack, the installation openings pass through the opposite surfaces of the rack, the two installation openings correspond to the positions of preset holes processed in the shock absorber support, a plurality of supporting rods for pressing the inner walls of the preset holes processed in the shock absorber support are arranged in the installation openings, the plurality of supporting rods are arranged in the vertical direction, the plurality of supporting rods are equidistantly arranged along the circumferences of the installation opening axes, and a driving assembly for driving the plurality of supporting rods to synchronously expand outward or synchronously contract is arranged below the rack. The application has the effects of improving the problems of time-consuming and labor-consuming and easy deformation of workpieces caused by the bolt pressing plate type locking, and the problems of large space occupation and easy cumulative error caused by the secondary positioning required by the separation type positioning and clamping.

The utility model provides a kind of fixture for flat sewing machine shell processing, including bottom plate, positioning pad is provided on bottom plate, positioning pin is provided on positioning pad, positioning pin is inserted with the process hole of being opened in the rear window surface of flat sewing machine shell, a plurality of clamping heads are slidably arranged on the bottom plate and clamped to the left and right side surfaces of flat sewing machine shell, feeding device is provided on the bottom plate to drive the reciprocating linear motion of clamping head away from or close to the clamping position. The fixture for flat sewing machine shell processing is fixed by setting positioning pin, clamping head and feeding device, compared with manual clamping and fixing in the prior art, it has the advantages of high safety and high clamping precision.

The utility model relates to a clamping mechanism for an input shaft with an internal spline, which belongs to the technical field of gear measurement, and is characterized in that after an internal and external spline sleeve is manually placed into an internal spline of an input shaft gear, the input shaft and the internal and external spline sleeve are together placed into a limiting ring to perform coarse positioning on the input shaft gear, and at the moment, an upper tip automatically rotates and descends; the outer spline housing can automatically enter the inner and outer spline housing located in the input shaft gear, the upper center abuts against an upper center hole of the input shaft gear, the limiting ring is separated from a bearing position of the gear, the upper center and the lower center complete clamping of the gear, and at the moment, the load of a driving shaft system can be transmitted into the input shaft gear through cooperation of splines. The positioning mechanism can be applied to gear single-face meshing detection or gear ghost frequency noise detection.

A workpiece rotating positioning device, which comprises a base body and a rotating shaft, a through rotating shaft mounting hole is formed in the base body, the rotating shaft mounting hole is horizontally arranged, the rotating shaft is rotatably arranged in the rotating shaft mounting hole, and both ends of the rotating shaft extend out of the rotating shaft mounting hole, one end of the rotating shaft is used for connecting a workpiece, a through positioning hole is further formed in the base body, the positioning hole is communicated with the rotating shaft mounting hole, and the positioning hole is perpendicular to the rotating shaft mounting hole, a positioning piece is inserted into the positioning hole, and when the positioning piece moves towards the rotating shaft mounting hole, the positioning piece abuts against the side surface of the rotating shaft to limit the rotation of the rotating shaft. The workpiece rotating positioning device can quickly and accurately clamp the workpiece, and ensures that the inner hole tip point is located directly below the marking machine.

The invention provides a lathe clamping device and a box type part dispersed inner hole machining method, and relates to the technical field of clamps. The lathe clamping device comprises a faceplate, a first mandrel, a second mandrel and an indexing taper sleeve. The first mandrel is arranged at the circle center of the faceplate and used for being connected with a main shaft of the machine tool, and therefore when the main shaft of the machine tool is in the running state, the main shaft drives the first mandrel to rotate, and a workpiece to be machined is driven to rotate around the first mandrel. The second mandrel is arranged on the faceplate and is spaced from the first mandrel; the indexing taper sleeve is rotatably arranged on the second mandrel in a sleeving mode and used for being arranged in a center hole of a workpiece to be machined, the machining precision can be improved, the adaptability and efficiency of the workpiece to be machined in the lathe machining process are improved, the clamping time is remarkably shortened, the clamping precision is improved, the labor intensity of operators is relieved, the overall production efficiency is improved, and the machining cost is reduced. And meanwhile, errors caused by multiple times of operation of operators are reduced, and standardization and consistency of machining are achieved.

This invention relates to a clamping fixture and method for adjustable clamping force of thin-walled soft magnetic alloy ring sleeves. The fixture includes a chuck assembly at the front end, a pull rod in the middle, and a pressure regulating cylinder at the rear end. The chuck assembly consists of a pneumatic three-jaw chuck body, sub-jaws, a clamping force measuring component, and a force measuring auxiliary jaw. The clamping force measuring component includes a force measuring contact and a force sensor. The three jaws at the front end of the pneumatic three-jaw chuck body form a mother jaw. The three sub-jaws are respectively fixed in the inner recesses at the front ends of the three mother jaws, and the inner surfaces of the three sub-jaws form a workpiece clamping surface. A radial insertion hole is provided on the inner side of each of the three mother jaws, into which a force measuring auxiliary jaw is inserted. A force measuring contact is installed at the outer end of at least one force measuring auxiliary jaw, and the force measuring contact is electrically connected to the force sensor via a connecting wire. Before clamping the workpiece, the inner surfaces of the three force measuring auxiliary jaws are in clamping contact with the clamping rod. By adjusting the air supply pressure, the clamping force can be measured and adjusted. This invention achieves adjustable clamping force.

The utility model relates to an electronic product screen protection structure, comprising a bearing assembly comprising a carrier plate and a cover plate hinged to the carrier plate; a containing cavity is formed in the face, facing the cover plate, of the carrier plate. Mounting cavities are formed in the positions, located on the two adjacent plate edges of the containing cavity, of the carrying plate correspondingly. The clamping assemblies are mounted on the two adjacent sides of the bearing assembly; the clamping assembly comprises a clamping block installed in the installation cavity, springs located on the two opposite sides of the clamping block and a baffle used for covering the installation cavity. One end of the spring is used for abutting against the clamping block, and the other end of the spring is used for abutting against the inner wall of the mounting cavity. The electronic product screen protection structure is simple in structure and convenient to use, the clamping blocks and the springs are installed on the two adjacent plate edges of the carrier plate, the clamping blocks can elastically abut against the edges of a screen, the screen can be clamped in a self-adaptive mode, the clamping accuracy and universality of clamping are improved, the risk of screen damage is greatly reduced, and the production efficiency is improved. And the safety and the reliability of the screen in the transportation process are ensured.

The invention belongs to the technical field of machine manufacturing, and particularly relates to an automatic self-positioning circular outer clamping fixture for intelligently manufacturing flexible wires and an operation method. The push block mounting grooves with the multiple threaded holes are formed to be matched with radial push blocks of different specifications, and by means of the cross-shaped layout of the four radial push blocks and matching of the first guide inclined faces and the second guide inclined faces of the four radial push blocks, vertical locking force of the adjusting fastener is converted into accurate radial displacement facing the center; rapid self-centering and high-precision clamping of a workpiece are achieved, manual correction and a special adapter plate are not needed through the design, the clamping range is widened, efficiency is improved, meanwhile, the arc-shaped groove in the plane of the clamping part and the hook-shaped part at the bottom jointly provide stable multidirectional constraint, and the clamping precision is improved. And a side surface positioning arc groove, a robot clamping groove, an information identification code mounting groove and a standard interface of a bottom positioning gasket of the circular tray ensure seamless integration and reliable interaction with a flexible manufacturing system, and the clamping precision, the automation compatibility and the process stability are integrally improved.

This invention relates to the field of aero-engine manufacturing technology and discloses a hydraulic lateral pressure plate for processing aero-engine parts. The plate includes a base, on which a hydraulic feeding mechanism and a clamping mechanism are mounted. The hydraulic feeding mechanism includes a sliding cavity on one side of the base, in which a piston slides. A telescopic spring is provided between the piston and the sliding cavity. A fixing block is provided at the opening of the sliding cavity, through which the piston passes and slides in a sealing fit. A first oil passage is provided inside the base and is connected to the sliding cavity. The clamping mechanism includes a sealing cavity on the base, in which a clamping plug slides. A second oil passage is provided inside the base and is connected to the sealing cavity. A clamping plate is fixed on the base. The middle part of the piston is connected to the lateral pressure plate. Both ends of the lateral pressure plate extend between the clamping plug and the clamping plate for clamping and positioning. This invention solves the problems of low positioning accuracy, unstable clamping, mutual interference between feeding and clamping, and inconvenient resetting associated with traditional lateral pressure plates.

The application relates to the technical field of flange end face machining, and discloses an intelligent flange machining device, which comprises a flange clamping mechanism and a flange machining mechanism fixed on a workbench. The flange clamping mechanism comprises a clamping base, a placing assembly and two groups of clamping assemblies. Each clamping assembly is provided with a clamping jaw and a force sensor, and the clamping is realized through a clamping jaw driving cylinder. The flange machining mechanism is connected with the clamping mechanism through first, second and third sliding assemblies, and respectively comprises a driving motor, a transmission screw and a sliding rod, so that the X, Y and Z direction movements of the machining mechanism are realized. A cutter driving unit comprises a machining head assembly, is provided with a cutter box and a milling cutter, and is provided with image acquisition devices on both sides of the machining head. A control module is arranged at the bottom of the workbench and is electrically connected with the image acquisition devices, the force sensors, the clamping jaw driving cylinders and the driving motors. According to the application, the machining scheme can be dynamically adjusted according to the flatness deviation of different regions, and the automatic compensation and optimization of the uneven errors of the end face are realized.

The invention belongs to the technical field of machine manufacturing, and particularly relates to an automatic self-positioning circular collet clamp for intelligently manufacturing flexible wires and an operation method. By arranging the circular internal expansion collet which is matched with the conical surface of the collet driving part and is provided with the special driving hole, the conical surface of the driving arm is driven to extrude the driving hole by utilizing the axial locking of the adjusting fastener, so that the force is transmitted to the concentric arc-shaped long side on the cylindrical body through the upper side wall of the rectangular hole and the short side of the L-shaped hole, and is converted into uniform radial expansion force; according to the design, traditional manual correction and a special adapter plate are abandoned, the workpiece clamping range is remarkably widened, the efficiency is improved, seamless integration and reliable interaction with a flexible manufacturing system are ensured through a side face positioning arc groove, a robot clamping groove, an information identification code mounting groove and a bottom positioning gasket, and the machining precision is improved. The clamping precision, the automatic compatibility and the process stability are integrally improved, and the comprehensive cost and the abnormal rate are effectively reduced.

The invention relates to the field of workpiece machining, in particular to a transverse moving module machining table easy to position and a machining process thereof, the transverse moving module machining table comprises a rotary supporting table, a machining table, a driving motor, a positioning table and a locking mechanism, the machining table is rotationally connected to the rotary supporting table, the driving motor is used for driving the machining table to rotate, and the positioning table is connected to the machining table; the two positioning tables are symmetrically distributed along the rotating axis of the machining table, the positioning tables are connected with a plurality of positioning pins, the positioning pins are used for being embedded into pin holes of a workpiece, the locking mechanism comprises a locking assembly, the locking assembly comprises a locking block and a locking bolt, the locking block is connected to the positioning tables and used for abutting against the workpiece, and the locking block is provided with a connecting groove; the positioning table is provided with a fixing hole, and the locking bolt penetrates through the connecting groove and then is in threaded connection with the fixing hole. By means of the arrangement, the workpiece can be conveniently and rapidly positioned, the mounting precision is improved, multiple to-be-machined faces of the workpiece can be machined at a time, errors caused by dismounting and mounting are reduced, and the machining efficiency and machining precision of equipment are improved.

The application discloses a blade positioning reference casting mold which is used for preparing a positioning reference on the periphery of a blade of an aero-engine, and comprises a lower mold, a positioning mechanism, an upper mold and a quick-release mechanism. The lower mold is provided with a clamping position for mounting the blade. The positioning mechanism comprises two positioning blocks which are slidably arranged in the lower mold and are used for abutting against opposite sides of the blade. One side of the positioning block which faces the blade is provided with a cavity for forming the positioning reference. The upper mold is used for covering the lower mold and pressing the blade into the clamping position. The quick-release mechanism is connected with the upper mold and the lower mold and is used for locking and fixing the upper mold relative to the lower mold. The blade positioning reference casting mold can form a positioning reference which is convenient to clamp and position on the periphery of the blade. The blade is clamped and positioned by using the positioning reference, so that the clamping process is simplified, and the clamping efficiency and clamping precision are improved.

The utility model relates to the technical field of numerical control machining, in particular to a four-axis machining tool for a junction box. Comprising a base, a mounting table is fixedly connected to the front face of the base, a screw hole and a positioning table capable of being clamped with a square groove of the junction box are arranged on the mounting table, the screw hole is formed in the outer side of the positioning table, and a chuck mounting groove is formed in the back face of the base. Compared with the prior art, the machining device has the advantages that clamping times can be reduced, machining time is saved, positioning is accurate, clamping precision is high, screws are used for locking, lateral clamping force does not exist, workpieces are not prone to deformation, one-time clamping and multi-face machining are achieved, machining precision is high, linkage machining can be achieved, cutter connecting traces are reduced, and the appearance of the workpieces is better.

This utility model belongs to the field of welding fixture technology, specifically a welding fixture for the production of busbar radiators. It includes a left clamping plate and a right clamping plate, which together form a rectangular frame to accommodate the substrate and the heat sink. The left and right clamping plates are respectively provided with left and right clamping strips, and each clamping plate extends to form a clamping part. Each left and right clamping strip has an extension, the end faces of which are flush with the clamping parts for clamping the heat sink. The bottom surface of the clamping part has a groove for accommodating the substrate. Locking strips are detachably connected to the bottom of the left and right clamping plates to limit the substrate's position. It also includes a clamping structure located around the left and right clamping plates to lock them in place. By aligning and clamping the substrate and heat sink of the product using the left and right clamping plates, the clamping accuracy is significantly improved, ensuring unobstructed flow in the busbar radiator, guaranteeing welding dimensions, and increasing product yield.