Knife handle resistance welding equipment and welding process

Abstract

The invention discloses cutter handle resistance welding equipment and a welding process, and relates to the technical field of PCB cutter machining. The device comprises a welding table, machining bases, vibration discs, a heating box and a grinding mechanism, the two machining bases arranged in a mirror image mode are fixed to the table top of the welding table, the vibration discs are fixed to the positions, located on the inner sides of the machining bases, of the table top of the welding table, and the heating box is fixed into a first groove, a second groove and a third groove which communicate with one another; and a group of uniformly distributed No.2 heating pipes are fixed in an inner cavity of each side box plate of the heating box. The preheating box is additionally arranged at the feeding part, the cooling speed after welding can be reduced, cracks are prevented from being generated, welding stress is reduced, welding defects are reduced, the workpiece quality is improved, excessive time and procedures are not consumed, the production efficiency is improved, in addition, after-heat treatment can be conducted on the welded workpiece, hydrogen escape is facilitated, delayed cracks are prevented, and the welding quality is improved. And the welding quality is further improved.

Description

Technical Field

[0001] The invention belongs to the technical field of PCB tool processing, and in particular relates to a tool handle resistance welding device and a welding process. Background Art

[0002] PCB cutting tools are cutting tools specifically used for PCB circuit board processing. They are generally used for cutting, milling, hole processing and other processing processes to create wires, connection points and other necessary structures on circuit boards.

[0003] At present, PCB tools are divided into two parts in the middle and processed separately, with different material requirements. The front end tool head has higher material requirements, and the rear end tool handle is replaced with cheap materials to make the parts and then connected into one by resistance welding. Therefore, resistance welding equipment is used in tool production.

[0004] There are many resistance welding devices on the existing market. Among them, in the existing public documents, CN 221454632 U-A PCB tool resistance welding machine is publicly provided with a base, a fixed frame and a movable frame, the fixed frame and the movable frame are installed above the base, a storage box and a baffle slide rail are arranged on one side of the base, a first slider is arranged in the baffle slide rail, a foldable baffle is installed above the first slider, a pneumatic cylinder and a movable connecting rod are installed above the fixed frame and the movable frame, a bolt pneumatic rod, a connecting plate and a detachable clamping block are installed below the pneumatic cylinder, a control panel is installed on one side of the base, and in the existing public documents, CN 220902157 U-A welding tool for resistance welding of PCB tools, which is publicly provided with a base plate, a fixing assembly is installed on the top of the base plate, a handle and a cutter head are installed on the top of the base plate, and the fixing assembly includes a fixing mechanism for fixing the handle and the cutter head and a movable mechanism for adjusting the position of the cutter head, and the movable mechanism has a movable part composed of a rod and a connecting part, and the fixing mechanism is installed on the surface of the handle and the cutter head. Although the above-mentioned resistance welding equipment can be used for welding the handle and the cutter head of PCB tools, the existing resistance welding equipment is insufficient in welding efficiency and automation, requires large manual operation during processing, has high labor intensity, low production efficiency, and has defects in welding quality. For this reason, we provide a handle resistance welding equipment and welding process to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide a tool handle resistance welding device and a welding process. By using a vibration plate and a feeding assembly, a preheating box is added to the feeding position, and the workpiece after welding can be post-heat treated. After the post-heat treatment and before unloading, a grinding mechanism is added, which solves the problems of existing resistance welding equipment, which are insufficient in welding efficiency and automation, require large manual operation during processing, have high labor intensity, have low production efficiency, and have defects in welding quality.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions: The present invention discloses a resistance welding device for a tool handle, comprising a welding table, a processing seat, a vibration plate, a heating box and a grinding mechanism. A slot No. 1, a slot No. 2, a slot No. 3, a slot No. 5 and a slot No. 6 are arranged in sequence from top to bottom at the center of the welding table. A slot No. 4 is arranged on one side of the slot No. 3, the slot No. 4 is connected with the slot No. 5, the slot No. 3 and the slot No. 6 are connected via the slot No. 7 that is opened. Two processing seats arranged in mirror image are fixed on the table top of the welding table. A vibration plate is fixed on the table top of the welding table located inside each processing seat. The heating box is fixed in the connected slot No. 1, the slot No. 2 and the slot No. 3. A group of uniformly distributed No. 2 heating tubes are fixed in the inner cavity of the box plate on each side of the heating box. The inner cavity of the slot No. 5 is provided with a vibration plate. The inner cavity of the slot No. 5 is provided with a vibration plate. The vibration plate is fixed on the table top of the welding table located inside each processing seat. The heating box is fixed in the connected slot No. 1, the slot No. 2 and the slot No. 3. A group of uniformly distributed No. 2 heating tubes are fixed in the inner cavity of the box plate on each side of the heating box. The inner cavity of the slot No. 5 is provided with a vibration plate. It is equipped with a feeding assembly, on which is placed a group of evenly distributed material accumulation boxes arranged side by side, an ash accumulation box is inserted inside the No. 6 slot, the processing seat comprises a base, a top seat, a feeding seat, a preheating box, a welding seat and a hydraulic cylinder, the top of the base is fixed with a top seat and a welding seat, the top of the top seat close to the welding seat is fixed with a feeding seat, the bottom of the feeding seat is fixed with a preheating box, a group of evenly distributed No. 1 heating tubes are fixed in the internal cavity of each side box plate of the preheating box, a hydraulic cylinder is fixed on the top of the welding seat, the grinding mechanism comprises a No. 1 clamping assembly, a No. 2 clamping assembly and a grinding assembly, the No. 1 clamping assembly and the No. 2 clamping assembly are respectively fixed on both sides of the No. 3 slot, and the grinding assembly is fixed to the top side inside the No. 7 slot.

[0007] The present invention is further configured as follows: a hood is fixed on the table top of the welding table, and the processing seat and the vibration plate are integrally located inside the hood; a slide groove is opened on one side of the top surface of the welding table, and a slide seat is slidably connected inside the slide groove; the base of the processing seat on the left side is fixed on the top surface of the welding table, the base of the processing seat on the right side is fixed on the top surface of the slide seat, the base of the processing seat on the right side is connected to the connecting end of the hydraulic rod, and the hydraulic rod is fixed on the top surface of the welding table.

[0008] The present invention is further configured such that the feeding assembly includes a servo motor, a toothed stick and a toothed belt, the servo motor is fixed in the mounting groove at one end of the No. 5 groove, both ends of the No. 5 groove are movably connected with toothed sticks, the toothed stick at one end is connected to the connecting end of the servo motor, the toothed belt is sleeved on the outside of the two toothed sticks, and the toothed sticks and the toothed belt are meshed.

[0009] The present invention is further configured that a No. 1 pushing assembly is fixed inside the No. 3 groove, the No. 1 pushing assembly is located directly below the back side of the heating box, the No. 1 pushing assembly includes a No. 1 electric telescopic rod and a No. 1 push rod, the No. 1 electric telescopic rod is fixed to the bottom wall of the No. 3 groove, and the connecting end of the No. 1 electric telescopic rod is connected to the No. 1 push rod.

[0010] The present invention is further configured as follows: a group of mirror-image mounting seats are fixed on the bottom side of the groove portion of the feed seat, and the preheating box is placed between the group of mounting seats; an arc-shaped groove is provided on the top surface of the top seat, and a No. 2 pushing assembly is fixed inside the arc-shaped groove, and the No. 2 pushing assembly includes a No. 2 electric telescopic rod and a No. 2 push rod, and the connecting end of the No. 2 electric telescopic rod is connected to the No. 2 push rod; a material trough is provided in the middle of the welding seat, the material trough is opposite to the arc-shaped groove, and a pressure plate is connected to the connecting end of the hydraulic cylinder.

[0011] The present invention is further configured such that the discharge port of the vibration plate is connected to the feed port of the feed pipe, the discharge port of the feed pipe is fixed to the inner wall of the groove of the feed seat by a U-shaped clamp, and a material blocking assembly is fixed on the inner wall of the feed seat near the discharge port of the feed pipe, the material blocking assembly includes a connecting seat, a No. 3 electric telescopic rod and a baffle, and both sides of the connecting seat are connected to both sides of the baffle through the No. 3 electric telescopic rod.

[0012] The present invention is further configured such that slots are provided on both sides of the bottom of the heating box, sealing components are fixed on both sides of slot No. 2, the sealing components on both sides are directly opposite to the slots on both sides, the sealing components include a No. 4 electric telescopic rod and a sealing plate, the No. 4 electric telescopic rod is fixed on the bottom wall of slot No. 2, the connecting end of the No. 4 electric telescopic rod is connected to the sealing plate, and the sealing plate is inserted in the corresponding slot.

[0013] The present invention is further configured as follows: the No. 1 clamping assembly includes a driving motor, a No. 1 electric telescopic column and a No. 1 clamping cylinder, the driving motor is fixed on the bottom wall of the No. 3 slot, an end seat is fixed on the connecting end of the driving motor, the No. 1 electric telescopic column is fixed on the end seat of the connecting end of the driving motor, and the connecting end of the No. 1 electric telescopic column is connected to the No. 1 clamping cylinder; the No. 2 clamping assembly includes a bearing, a No. 2 electric telescopic column and a No. 2 clamping cylinder, the bearing is movably connected to the side wall of the No. 3 slot, an end seat is fixed on the outer side of the bearing, the No. 2 electric telescopic column is fixed on the end seat of the bearing, and the connecting end of the No. 2 electric telescopic column is connected to the No. 2 clamping cylinder; the grinding assembly includes a seat plate, a No. 3 electric telescopic column and a grinding stone, the seat plate is fixed on the side wall of the No. 7 slot, the No. 3 electric telescopic column is fixed on the top surface of the seat plate, and the connecting end of the No. 3 electric telescopic column is connected to the grinding stone.

[0014] The present invention is further configured such that a tool handle component is clamped on the processing seat on the left, and the vibration plate on the left is used for feeding the tool handle component; a tool head component is clamped on the processing seat on the right, and the vibration plate on the right is used for feeding the tool head component.

[0015] The present invention also relates to a welding process of a knife handle resistance welding device, which is applied to a knife handle resistance welding device, specifically as follows: S1: Feed processing: The tool handle components are sequentially transported to the preheating box of the left processing seat through the left feeding pipe via the left vibration plate; at the same time, the tool head components are sequentially transported to the preheating box of the right processing seat through the right feeding pipe via the right vibration plate; S2: Preheating treatment: The preheating box on the left side preheats the handle parts waiting for welding in advance to prepare for subsequent welding; at the same time, the preheating box on the right side preheats the head parts waiting for welding in advance to prepare for subsequent welding; S3: Welding process: The tool handle component directly below the left preheating box is pushed into the processing position outside the material trough through the No. 2 material pushing assembly on the left, and then the pressure plate is driven downward by the action of the hydraulic cylinder to press down the tool handle component at the processing position; at the same time, the tool head component directly below the right preheating box is pushed into the processing position outside the material trough through the No. 2 material pushing assembly on the right, and then the pressure plate is driven downward by the action of the hydraulic cylinder to press down the tool head component at the processing position; then the processing seat on the right is driven to move left by the action of the hydraulic rod, so that the tool head component of the processing seat on the right conflicts with the tool handle component of the processing seat on the left, and then the conflicting part is welded by the welding gun; S4: Post-heat treatment: After welding, the hydraulic rod drives the processing seat on the right to move right back to its original position. At this time, the No. 2 pusher assembly on the left pushes the welded workpiece outward, causing the workpiece to fall into the heating box for heating treatment. S5: Polishing: After the post-heating treatment, the workpiece dropped from the heating box is placed on the arc groove of the sling, and the welding part of the workpiece is ground by the grinding mechanism; S6: Unloading: After grinding the workpiece, the No. 1 material pushing assembly pushes the grinded workpiece, and the workpiece slides through the sloped inner wall of the No. 4 groove into the material storage box of the No. 5 groove.

[0016] The present invention has the following beneficial effects: 1. The present invention can realize continuous feeding of the handle component and the cutter head component and automatic unloading of equal amounts by using a vibrating plate and a feeding assembly. The coordinated work of the No. 2 pushing assembly and the hydraulic cylinder can realize automatic pushing and pressing of the handle component and the cutter head component, as well as automation of the welding process, thereby improving welding efficiency. In the entire welding process, the use of automated equipment reduces the need for manual operation, reduces labor intensity, and improves production efficiency.

[0017] 2. The present invention adds a preheating box at the feeding position, which can fully utilize the waiting time for loading to synchronously preheat the handle component and the cutter head component during the waiting period before welding. It can slow down the cooling speed after welding, prevent the generation of cracks, reduce welding stress, reduce welding defects, and improve workpiece quality without consuming too much time and processes, thereby improving production efficiency.

[0018] 3. The workpiece after welding of the present invention can be post-heat treated, which is conducive to the escape of hydrogen, prevents delayed cracks, and further improves the welding quality. In addition, after the post-heat treatment and before unloading, a grinding mechanism is added. Through the automated operation of the grinding mechanism, the welded workpiece can be polished to improve the surface quality of the workpiece, save the subsequent grinding process, and improve production efficiency.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0021] Figure 1 It is the overall structure diagram of the tool handle resistance welding equipment.

[0022] Figure 2 This is a structural diagram of the welding table.

[0023] Figure 3 for Figure 1 Schematic diagram of the front view structure after removing the hood.

[0024] Figure 4 for Figure 3 Schematic diagram of the internal structure of the heating box.

[0025] Figure 5 for Figure 2 Schematic diagram of the longitudinal cross-sectional structure.

[0026] Figure 6 It is a schematic diagram of the structure of the heating box.

[0027] Figure 7 for Figure 6 Schematic diagram of the longitudinal cross-sectional structure.

[0028] Figure 8 It is a structural diagram of the grinding mechanism.

[0029] Fig. 9 It is a schematic diagram of the overall structure of the processing seat and the vibration plate.

[0030] Fig.10 It is a structural schematic diagram of the processing seat.

[0031] Fig.11 It is a schematic diagram of the cross-sectional structure of the feed seat and welding seat.

[0032] Fig.12 It is a schematic diagram of the cross-sectional structure of the preheating box.

[0033] Fig.13 It is a structural schematic diagram of the feed seat.

[0034] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 001, handle part; 002, blade part; 100, welding table; 110, machine cover; 120, material storage box; 130, dust storage box; 140, feeding assembly; 141, servo motor; 142, toothed stick; 143, toothed belt; 150, No. 1 material pushing assembly; 151, No. 1 electric telescopic rod; 152, No. 1 push rod; 101, No. 1 slot; 102, No. 2 slot; 103, No. 3 slot; 104, No. 4 slot; 105, No. 5 slot; 106, No. 6 slot; 107, No. 7 slot; 1001, slide slot; 1002, slide seat; 200, processing seat; 210, base; 220, top seat; 221, arc slot; 222, No. 2 pusher assembly; 201, No. 2 electric telescopic rod; 202, No. 2 pusher; 230, feed seat; 231, material blocking assembly; 2311, connecting seat; 2312, No. 3 electric telescopic rod; 2313, baffle; 232, mounting seat; 240, preheating box; 241, No. 1 heating tube; 250, welding seat; 251, material trough; 260, hydraulic cylinder; 261, pressing plate; 270, welding gun; 280, hydraulic rod; 300, vibrating plate; 310, feeding pipe; 400, heating box; 410, slot; 420, sealing assembly; 421, No. 4 electric telescopic rod; 422, sealing plate; 430, No. 2 heating tube; 500, grinding mechanism; 510, clamping assembly No. 1; 511, driving motor; 512, electric telescopic column No. 1; 513, clamping cylinder No. 1; 520, clamping assembly No. 2; 521, bearing; 522, electric telescopic column No. 2; 523, clamping cylinder No. 2; 530, grinding assembly; 531, seat plate; 532, electric telescopic column No. 3; 533, grinding stone. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example 1

[0036] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 and Fig.13 The present invention is a tool handle resistance welding device, comprising a welding table 100, a processing seat 200, a vibration plate 300, a heating box 400 and a grinding mechanism 500. The center of the welding table 100 is provided with a first groove 101, a second groove 102, a third groove 103, a fifth groove 105 and a sixth groove 106 from top to bottom. A fourth groove 104 is provided on one side of the third groove 103. The fourth groove 104 is connected to the fifth groove 105. The third groove 103 and the sixth groove 106 are connected through the seventh groove 107. Two processing seats 200 arranged in mirror image are fixed on the table of the welding table 100. The processing seat 200 comprises a base 210, a top seat 220, A feed seat 230, a preheating box 240, a welding seat 250 and a hydraulic cylinder 260, a top seat 220 and a welding seat 250 are fixed on the top of the base 210, a feed seat 230 is fixed on the top of the top seat 220 close to the welding seat 250, a group of mirror-image mounting seats 232 are fixed on the bottom side of the groove of the feed seat 230, a preheating box 240 is fixed to the bottom of the feed seat 230, the preheating box 240 is placed between a group of mounting seats 232, a hydraulic cylinder 260 is fixed on the top of the welding seat 250, and a pressure plate 261 is connected to the connecting end of the hydraulic cylinder 260, and a vibration disk 300 is fixed on the table top of the welding table 100 located on the inner side of each processing seat 200.

[0037] Specifically, a cover 110 is fixed on the table of the welding table 100, and the processing seat 200 and the vibration plate 300 are integrally located inside the cover 110; A slide groove 1001 is provided on one side of the top surface of the welding table 100, and a slide seat 1002 is slidably connected inside the slide groove 1001; the base 210 of the processing seat 200 located on the left side is fixed on the top surface of the welding table 100, and the base 210 of the processing seat 200 located on the right side is fixed on the top surface of the slide seat 1002, and the base 210 of the processing seat 200 located on the right side is connected to the connecting end of the hydraulic rod 280, and the hydraulic rod 280 is fixed on the top surface of the welding table 100; An arc-shaped groove 221 is provided on the top surface of the top seat 220, and a No. 2 material pushing assembly 222 is fixed inside the arc-shaped groove 221. The No. 2 material pushing assembly 222 includes a No. 2 electric telescopic rod 201 and a No. 2 push rod 202. The connecting end of the No. 2 electric telescopic rod 201 is connected to the No. 2 push rod 202; a material groove 251 is provided in the middle of the welding seat 250, and the material groove 251 is opposite to the arc-shaped groove 221.

[0038] Furthermore, the discharge port of the vibration disk 300 is connected to the feed port of the feed pipe 310, and the discharge port of the feed pipe 310 is fixed to the inner wall of the groove of the feed seat 230 through a U-shaped clamp; the tool handle component 001 is clamped on the processing seat 200 on the left, and the vibration disk 300 on the left is used for feeding the tool handle component 001, and the tool head component 002 is clamped on the processing seat 200 on the right, and the vibration disk 300 on the right is used for feeding the tool head component 002.

[0039] The operation process of this embodiment is as follows: each tool handle component 001 is sequentially transported to the preheating box 240 of the left processing seat 200 through the left feeding pipe 310 through the left vibration plate 300, and the tool handle component 001 waiting for welding is preheated in advance through the left preheating box 240. At the same time, each tool head component 002 is sequentially transported to the preheating box 240 of the right processing seat 200 through the right feeding pipe 310 through the right vibration plate 300, and the tool head component 002 waiting for welding is preheated in advance through the right preheating box 240; At this time, after each preset time interval, the tool handle component 001 directly below the left preheating box 240 is pushed into the processing position outside the material groove 251 through the No. 2 material pushing component 222 on the left, and then the No. 2 material pushing component 222 on the left immediately shrinks and returns to its original position. At this time, the left material blocking component 231 shrinks and opens the discharge port of the left feed pipe 310, and a tool handle component 001 will fall downward from the preheating box 240. After a tool handle component 001 falls, the No. 2 material pushing component 222 on the left immediately stretches out and closes the discharge port of the left feed pipe 310 again, and the tool handle component 001 that has fallen down is retained in the arc-shaped slot 221 directly below the left preheating box 240, waiting for loading, and through the action of the hydraulic cylinder 260, the pressing plate 261 is driven to press down to suppress the tool handle component 001 at the processing position; At the same time, after each preset time interval, the cutter head component 002 directly below the right preheating box 240 is pushed into the processing position outside the material groove 251 through the No. 2 material pushing component 222 on the right, and then the No. 2 material pushing component 222 on the right immediately shrinks and returns to its original position. At this time, the right material blocking component 231 shrinks and opens the discharge port of the right feeding pipe 310, and a cutter head component 002 will fall downward from the preheating box 240. After a cutter head component 002 falls, the No. 2 material pushing component 222 on the right immediately stretches out and closes the discharge port of the right feeding pipe 310 again, and the cutter head component 002 that has fallen down is retained in the arc-shaped slot 221 directly below the right preheating box 240, waiting for loading, and the pressure plate 261 is driven to press down through the action of the hydraulic cylinder 260 to suppress the cutter head component 002 at the processing position; Then, the hydraulic rod 280 drives the processing seat 200 on the right side to move leftward, so that the tool head component 002 of the processing seat 200 on the right side conflicts with the tool handle component 001 of the processing seat 200 on the left side, and then the conflicting parts are welded by the welding gun 270; After welding, the hydraulic rod 280 drives the processing seat 200 on the right side to move right back to its original position. At the same time, the second pusher assembly 222 on the left side pushes the welded workpiece outward, causing the workpiece to fall into the heating box 400 for heating treatment. Example 2

[0040] See also Figure 1 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 and Fig.13 On the basis of Example 1, a group of uniformly distributed No. 1 heating tubes 241 are fixed in the internal cavity of each side box plate of the preheating box 240.

[0041] Specifically, a material blocking assembly 231 is fixed on the inner wall of the feed seat 230 near the discharge port of the feed pipe 310. The material blocking assembly 231 includes a connecting seat 2311, a No. 3 electric telescopic rod 2312 and a baffle 2313. Both sides of the connecting seat 2311 are connected to both sides of the baffle 2313 through the No. 3 electric telescopic rod 2312.

[0042] The operation process of this embodiment is as follows: in normal use, a group of No. 1 heating tubes 241 in the box plate cavity of the preheating box 240 can preheat the workpiece parts inside the preheating box 240, so that the workpiece parts are heated to a certain temperature before welding, which can slow down the cooling speed after welding, prevent the generation of cracks, reduce welding stress, and reduce welding defects; When in use, the baffle 2313 is driven to move inward by the action of the No. 3 electric telescopic rod 2312, so that the discharge port of the feed pipe 310 is opened, which is used for unloading materials from the discharge port of the feed pipe 310; in addition, the baffle 2313 is driven to move outward by the action of the No. 3 electric telescopic rod 2312, so that the discharge port of the feed pipe 310 is closed, causing the discharge port of the feed pipe 310 to stop unloading materials. Example 3

[0043] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 On the basis of Example 1 and Example 2, the heating box 400 is fixed in the connected slot No. 1 101, slot No. 2 102 and slot No. 3 103, and a group of evenly distributed No. 2 heating tubes 430 are fixed in the internal cavity of each side box plate of the heating box 400.

[0044] Specifically, slots 410 are provided on both sides of the bottom of the heating box 400 , and sealing components 420 are fixed on both sides of the second slot 102 , and the sealing components 420 on both sides face the slots 410 on both sides.

[0045] Furthermore, the sealing assembly 420 includes a No. 4 electric telescopic rod 421 and a sealing plate 422 . The No. 4 electric telescopic rod 421 is fixed on the bottom wall of the No. 2 slot 102 . The connecting end of the No. 4 electric telescopic rod 421 is connected to the sealing plate 422 , and the sealing plate 422 is inserted into the corresponding slot 410 .

[0046] The operation process of this embodiment is as follows: through the action of a set of second heating tubes 430 in the box plate of the heating box 400, the interior of the heating box 400 is heated to a certain temperature; Through the action of the No. 4 electric telescopic rods 421 on both sides, the sealing plates 422 on both sides are synchronously driven to move outward, so that the bottom of the heating box 400 can be opened, so that the bottom of the heating box 400 can be unloaded, and through the action of the No. 4 electric telescopic rods 421 on both sides, the sealing plates 422 on both sides are synchronously driven to move inward, so that the bottom of the heating box 400 can be blocked, so that the bottom of the heating box 400 stops unloading; When the welded workpiece enters the heating box 400, the welding part of the workpiece can be heated immediately after welding and kept warm for a period of time, which can promote the escape of hydrogen, prevent delayed cracks, and further improve the welding quality. Example 4

[0047] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6, Figure 7 and Figure 8 On the basis of Example 1, Example 2 and Example 3, the grinding mechanism 500 includes a No. 1 clamping assembly 510, a No. 2 clamping assembly 520 and a grinding assembly 530. The No. 1 clamping assembly 510 and the No. 2 clamping assembly 520 are respectively fixed on both sides of the No. 3 groove 103, and the grinding assembly 530 is fixed on the top side inside the No. 7 groove 107.

[0048] Specifically, a No. 1 material pushing assembly 150 is fixed inside the No. 3 groove 103, and the No. 1 material pushing assembly 150 is located directly below the back side of the heating box 400. The No. 1 material pushing assembly 150 includes a No. 1 electric telescopic rod 151 and a No. 1 push rod 152. The No. 1 electric telescopic rod 151 is fixed to the bottom wall of the No. 3 groove 103, and the connecting end of the No. 1 electric telescopic rod 151 is connected to the No. 1 push rod 152; Two symmetrically arranged straps are fixed on the bottom wall of the third slot 103 . Each strap has an arc-shaped slot. The straps of the third slot 103 face the first clamping assembly 510 and the second clamping assembly 520 .

[0049] Furthermore, the No. 1 clamping assembly 510 includes a driving motor 511, a No. 1 electric telescopic column 512 and a No. 1 clamping barrel 513. The driving motor 511 is fixed to the bottom wall of the No. 3 slot 103. The connecting end of the driving motor 511 is fixed with an end seat. The connecting end of the driving motor 511 is fixed with the No. 1 electric telescopic column 512. The connecting end of the No. 1 electric telescopic column 512 is connected to the No. 1 clamping barrel 513. The second clamping assembly 520 includes a bearing 521, a second electric telescopic column 522 and a second clamping barrel 523. The bearing 521 is movably connected to the side wall of the third groove 103. An end seat is fixed to the outer side of the bearing 521. The second electric telescopic column 522 is fixed to the end seat of the bearing 521. The connecting end of the second electric telescopic column 522 is connected to the second clamping barrel 523. The grinding assembly 530 includes a seat plate 531, a No. 3 electric telescopic column 532 and a grinding stone 533. The seat plate 531 is fixed on the side wall of the No. 7 slot 107. The No. 3 electric telescopic column 532 is fixed on the top surface of the seat plate 531. The connecting end of the No. 3 electric telescopic column 532 is connected to the grinding stone 533.

[0050] The operation process of this embodiment is as follows: during normal use, after a preset time, the workpiece that falls from the heating box 400 is placed on the arc groove of the board, and whenever the material is unloaded from the heating box 400, the No. 1 clamp 513 and the No. 2 clamp 523 are synchronously driven to clamp on both sides of the workpiece respectively through the action of the No. 1 electric telescopic column 512 and the No. 2 electric telescopic column 522, and then the No. 3 electric telescopic column 532 drives the grinding stone 533 to move up and touch the welding part of the workpiece, and then the driving motor 511 drives the workpiece to rotate at a high speed, and the grinding stone 533 is used to grind the welding part of the workpiece. Example 5

[0051] See also Figure 1 , Figure 2 , Figure 3 and Figure 5 On the basis of Example 1, Example 2, Example 3 and Example 4, a feeding assembly 140 is installed inside the fifth trough 105, and a group of evenly distributed material accumulation boxes 120 are placed on the feeding assembly 140.

[0052] Specifically, the feeding assembly 140 includes a servo motor 141, a toothed rod 142 and a toothed belt 143. The servo motor 141 is fixed in the mounting groove at one end of the No. 5 groove 105. The two ends of the No. 5 groove 105 are movably connected with toothed rods 142. The toothed rod 142 at one end is connected to the connecting end of the servo motor 141. The toothed belt 143 is sleeved on the outside of the two toothed rods 142, and the toothed rods 142 and the toothed belt 143 are meshed.

[0053] Furthermore, a dust box 130 is inserted inside the sixth slot 106 .

[0054] The operation process of this embodiment is as follows: through the action of the servo motor 141, the toothed stick 142 is driven to rotate, thereby driving the toothed belt 143 to transmit; After the workpiece is polished, the first material pusher assembly 150 pushes the polished workpiece, and the workpiece slides through the sloped inner wall of the fourth slot 104 to the material storage box 120 of the fifth slot 105. At each preset time interval, the servo motor 141 starts normally for a preset time, so that the toothed belt 143 transmits a preset distance, causing the next material storage box 120 to move into the right below the fourth slot 104 to receive materials again; The dust generated by grinding will be collected in the dust box 130 through the seventh slot 107. The design of the dust box 130 can collect the dust generated during the grinding process to reduce environmental pollution. After a period of time, the dust box 130 is manually pulled out for cleaning. Example 6

[0055] The present invention also relates to a welding process of a knife handle resistance welding device, which is applied to a knife handle resistance welding device, specifically as follows: S1: Feed processing: Each tool handle component 001 is sequentially transported to the preheating box 240 of the left processing seat 200 through the left feeding pipe 310 through the left vibration plate 300; at the same time, each tool head component 002 is sequentially transported to the preheating box 240 of the right processing seat 200 through the right feeding pipe 310 through the right vibration plate 300; S2: Preheating treatment: The left preheating box 240 preheats the handle component 001 waiting for welding in advance to prepare for subsequent welding; at the same time, the right preheating box 240 preheats the head component 002 waiting for welding in advance to prepare for subsequent welding; S3: Welding process: The tool handle component 001 directly below the left preheating box 240 is pushed into the processing position outside the material trough 251 by the No. 2 material pushing component 222 on the left side, and then the pressure plate 261 is driven to press down through the action of the hydraulic cylinder 260 to suppress the tool handle component 001 at the processing position; at the same time, the tool head component 002 directly below the right preheating box 240 is pushed into the processing position outside the material trough 251 by the No. 2 material pushing component 222 on the right side, and then the pressure plate 261 is driven to press down through the action of the hydraulic cylinder 260 to suppress the tool head component 002 at the processing position; then, the processing seat 200 on the right side is driven to move left through the action of the hydraulic rod 280, so that the tool head component 002 of the processing seat 200 on the right side conflicts with the tool handle component 001 of the processing seat 200 on the left side, and then the conflicting part is welded by the welding gun 270; S4: Post-heat treatment: After welding, the hydraulic rod 280 drives the processing seat 200 on the right side to move rightward and return to its original position. At this time, the second pusher assembly 222 on the left side pushes the welded workpiece outward, causing the workpiece to fall into the heating box 400 for heating treatment. S5: Polishing: After the post-heating treatment, the workpiece dropped from the heating box 400 is placed on the arc groove of the butt plate, and the welding part of the workpiece is ground by the grinding mechanism 500; S6: Unloading: After the workpiece is polished, the polished workpiece is pushed by the No. 1 material pushing assembly 150 , so that the workpiece slides through the sloped inner wall of the No. 4 groove 104 into the material storage box 120 of the No. 5 groove 105 .

[0056] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

Claims

1. A tool handle resistance welding device, comprising a welding table (100), a processing seat (200), a vibration plate (300), a heating box (400) and a grinding mechanism (500); characterized in that: The center of the welding table (100) is provided with a first slot (101), a second slot (102), a third slot (103), a fifth slot (105) and a sixth slot (106) in sequence from top to bottom. A fourth slot (104) is provided on one side of the third slot (103). The fourth slot (104) is connected to the fifth slot (105). The third slot (103) and the sixth slot (106) are connected via a seventh slot (107). Two processing seats (200) arranged in mirror image are fixed on the table top of the welding table (100), a vibration plate (300) is fixed on the table top of the welding table (100) located inside each processing seat (200), the heating box (400) is fixed in the connected first slot (101), second slot (102) and third slot (103), and a group of evenly distributed second heating tubes (430) are fixed in the internal cavity of each side box plate of the heating box (400); A material conveying assembly (140) is installed inside the fifth slot (105), a group of material accumulation boxes (120) arranged evenly side by side are placed on the material conveying assembly (140), and an ash accumulation box (130) is inserted inside the sixth slot (106); The processing seat (200) comprises a base (210), a top seat (220), a feed seat (230), a preheating box (240), a welding seat (250) and a hydraulic cylinder (260); the top seat (220) and the welding seat (250) are fixed on the top of the base (210); the top of the top seat (220) close to the welding seat (250) is fixed with the feed seat (230); the bottom of the feed seat (230) is fixed with the preheating box (240); a group of uniformly distributed No. 1 heating tubes (241) are fixed in the internal cavity of each side box plate of the preheating box (240); and the top of the welding seat (250) is fixed with the hydraulic cylinder (260); The grinding mechanism (500) comprises a No. 1 clamping assembly (510), a No. 2 clamping assembly (520) and a grinding assembly (530); the No. 1 clamping assembly (510) and the No. 2 clamping assembly (520) are respectively fixed on both sides of the No. 3 slot (103); and the grinding assembly (530) is fixed on the top side of the No. 7 slot (107).

2. A knife handle resistance welding device according to claim 1, characterized in that: A hood (110) is fixed on the table surface of the welding table (100), and the processing seat (200) and the vibration plate (300) are integrally located inside the hood (110); A slide groove (1001) is provided on one side of the top surface of the welding table (100), and a slide seat (1002) is slidably connected inside the slide groove (1001); The base (210) of the processing seat (200) located on the left side is fixed on the top surface of the welding table (100), the base (210) of the processing seat (200) located on the right side is fixed on the top surface of the sliding seat (1002), and the base (210) of the processing seat (200) located on the right side is connected to the connecting end of the hydraulic rod (280), and the hydraulic rod (280) is fixed on the top surface of the welding table (100).

3. A knife handle resistance welding device according to claim 2, characterized in that: The feeding assembly (140) comprises a servo motor (141), a toothed rod (142) and a toothed belt (143); the servo motor (141) is fixed in the mounting groove at one end of the No. 5 groove (105); both ends of the No. 5 groove (105) are movably connected with toothed rods (142); one end of the toothed rod (142) is connected to the connecting end of the servo motor (141); the toothed belt (143) is sleeved on the outside of the two toothed rods (142); the toothed rods (142) and the toothed belt (143) are meshed.

4. A knife handle resistance welding device according to claim 3, characterized in that: A material pushing assembly (150) is fixed inside the No. 3 groove (103), and the No. 1 material pushing assembly (150) is located directly below the back side of the heating box (400). The No. 1 material pushing assembly (150) comprises a No. 1 electric telescopic rod (151) and a No. 1 push rod (152). The No. 1 electric telescopic rod (151) is fixed to the bottom wall of the No. 3 groove (103), and the connecting end of the No. 1 electric telescopic rod (151) is connected to the No. 1 push rod (152).

5. A knife handle resistance welding device according to claim 4, characterized in that: A group of mirror-image mounting seats (232) are fixed to the bottom side of the groove portion of the feed seat (230), and the preheating box (240) is placed between the group of mounting seats (232); The top surface of the top seat (220) is provided with an arc-shaped slot (221), a second material pushing assembly (222) is fixed inside the arc-shaped slot (221), the second material pushing assembly (222) comprises a second electric telescopic rod (201) and a second push rod (202), and the connecting end of the second electric telescopic rod (201) is connected to the second push rod (202); A material trough (251) is provided in the middle of the welding seat (250), the material trough (251) is directly opposite to the arc-shaped slot (221), and a pressure plate (261) is connected to the connecting end of the hydraulic cylinder (260).

6. The knife handle resistance welding device according to claim 5, characterized in that: The discharge port of the vibration plate (300) is connected to the feed port of the feed pipe (310); the discharge port of the feed pipe (310) is fixed to the inner wall of the groove of the feed seat (230) via a U-shaped clamp; a material blocking assembly (231) is fixed to the inner wall of the feed seat (230) near the discharge port of the feed pipe (310); the material blocking assembly (231) comprises a connecting seat (2311), a No. 3 electric telescopic rod (2312) and a baffle (2313); both sides of the connecting seat (2311) are connected to both sides of the baffle (2313) via the No. 3 electric telescopic rod (2312).

7. The knife handle resistance welding device according to claim 6, characterized in that: Slots (410) are provided on both sides of the bottom of the heating box (400), and sealing components (420) are fixed on both sides of the No. 2 slot (102), and the sealing components (420) on both sides are directly opposite to the slots (410) on both sides. The sealing components (420) include a No. 4 electric telescopic rod (421) and a sealing plate (422), and the No. 4 electric telescopic rod (421) is fixed on the bottom wall of the No. 2 slot (102), and the connecting end of the No. 4 electric telescopic rod (421) is connected to the sealing plate (422), and the sealing plate (422) is inserted into the corresponding slot (410).

8. The knife handle resistance welding device according to claim 7, characterized in that: The No. 1 clamping assembly (510) comprises a driving motor (511), a No. 1 electric telescopic column (512) and a No. 1 clamping barrel (513); the driving motor (511) is fixed to the bottom wall of the No. 3 slot (103); an end seat is fixed to the connecting end of the driving motor (511); the No. 1 electric telescopic column (512) is fixed to the end seat of the connecting end of the driving motor (511); and the connecting end of the No. 1 electric telescopic column (512) is connected to the No. 1 clamping barrel (513); The second clamping assembly (520) comprises a bearing (521), a second electric telescopic column (522) and a second clamping barrel (523); the bearing (521) is movably connected to the side wall of the third groove (103); an end seat is fixed to the outer side of the bearing (521); the second electric telescopic column (522) is fixed to the end seat of the bearing (521); and the connecting end of the second electric telescopic column (522) is connected to the second clamping barrel (523); The grinding assembly (530) comprises a seat plate (531), a No. 3 electric telescopic column (532) and a grinding stone (533); the seat plate (531) is fixed on the side wall of the No. 7 slot (107); the No. 3 electric telescopic column (532) is fixed on the top surface of the seat plate (531); and the connection end of the No. 3 electric telescopic column (532) is connected to the grinding stone (533).

9. The knife handle resistance welding device according to claim 8, characterized in that: A tool handle component (001) is clamped on the processing seat (200) located on the left side, and the vibration plate (300) located on the left side is used for feeding the tool handle component (001); a tool head component (002) is clamped on the processing seat (200) located on the right side, and the vibration plate (300) located on the right side is used for feeding the tool head component (002).

10. A welding process for a knife handle resistance welding device, characterized in that: A tool handle resistance welding device applied to any one of claims 1 to 9, specifically as follows: S1: Feed processing: The respective tool handle components (001) are sequentially transported to the preheating box (240) of the left processing seat (200) through the left vibrating plate (300) and the left feeding pipe (310); at the same time, the respective tool head components (002) are sequentially transported to the preheating box (240) of the right processing seat (200) through the right vibrating plate (300) and the right feeding pipe (310); S2: Preheating treatment: The tool handle component (001) waiting for welding is preheated in advance by the preheating box (240) on the left side to prepare for subsequent welding; at the same time, the tool head component (002) waiting for welding is preheated in advance by the preheating box (240) on the right side to prepare for subsequent welding; S3: Welding process: The tool handle component (001) directly below the left preheating box (240) is pushed into the processing position outside the material trough (251) by the second material pushing component (222) on the left side, and then the pressure plate (261) is driven downward by the hydraulic cylinder (260) to press the tool handle component (001) at the processing position; at the same time, the tool head component (002) directly below the right preheating box (240) is pushed into the material trough (251) by the second material pushing component (222) on the right side. 1) At the processing position on the outside, the hydraulic cylinder (260) is then used to drive the pressing plate (261) to press down and hold down the tool head component (002) at the processing position; the hydraulic rod (280) is then used to drive the processing seat (200) on the right side to move leftward, so that the tool head component (002) of the processing seat (200) on the right side and the tool handle component (001) of the processing seat (200) on the left side collide with each other, and then the collided position is welded by the welding gun (270); S4: Post-heat treatment: After welding, the hydraulic rod (280) drives the processing seat (200) on the right side to move rightward and return to its original position. At this time, the second pusher assembly (222) on the left side pushes the welded workpiece outward, causing the workpiece to fall into the heating box (400) for heating treatment. S5: Polishing treatment: After the post-heating treatment, the workpiece dropped from the heating box (400) is placed on the arc groove of the butt plate, and the welded part of the workpiece is ground by the grinding mechanism (500); S6: Unloading: After the workpiece is polished, the polished workpiece is pushed by the first material pushing assembly (150) to slide the workpiece through the sloped inner wall of the fourth groove (104) into the material storage box (120) of the fifth groove (105).

Images