A welding fixture with welding residue cleaning function

Abstract

This invention relates to the field of welding fixture technology and discloses a welding fixture with a welding residue cleaning function. It includes a support platform with several mounting holes on its upper surface. A fixture assembly for fixing a workpiece is mounted on the upper surface of the support platform through these mounting holes. A second clamping assembly includes two sets of bases mounted on a fixed plate. A pressing fixture is mounted on top of the two sets of bases. The pressing fixture includes a hinged seat fixed to the base by bolts. A handle is rotatably connected to the hinged seat. A pressure rod for pressing the workpiece is movably connected to the handle and the hinged seat. Traction components are connected to both sides of the fixed rod. The fixture also includes a welding residue cleaning mechanism, located above the fixed plate, for cleaning the surface of the welded workpiece. The traction components drive the movement of the welding residue cleaning mechanism to complete the comprehensive cleaning of welding residue from the workpiece surface. This not only improves production efficiency but also reduces labor costs and equipment investment.

Description

Technical Field

[0001] This invention relates to the field of welding fixture technology, and specifically to a welding fixture with a welding residue cleaning function. Background Technology

[0002] Weld spatter is a common problem during welding. This spatter not only leaves difficult-to-remove marks on and around the welded parts, severely affecting their appearance and smoothness, thus reducing the product's grade and value, but it also creates defects such as porosity, slag inclusions, and cracks on and inside the weld, adversely affecting the weld's strength, toughness, corrosion resistance, and other properties, thereby reducing the reliability and service life of the welded parts.

[0003] Currently, the common method for cleaning welding slag is mechanical grinding after welding. This method not only increases the workload of subsequent cleaning but also requires the use of various tools such as grinders, brushes, and hammers, consuming a significant amount of manpower, resources, and time, thus significantly increasing production costs. Furthermore, this post-cleaning method may also pose additional safety risks, such as improper operation potentially causing worker injuries or secondary damage to the welded parts.

[0004] Given the problems existing in current welding processes, there is an urgent need for a solution that can effectively remove welding slag during welding, reduce post-weld cleaning work, and improve welding quality and efficiency. This invention aims to solve this technical problem by proposing a welding fixture with a welding residue cleaning function to overcome the shortcomings of existing technologies and improve the overall efficiency and quality of the welding process. Summary of the Invention

[0005] This invention provides a welding fixture with a welding residue cleaning function, which aims to solve the problems mentioned in the prior art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A welding fixture with welding residue cleaning function includes a support platform. Several mounting holes are provided on the upper part of the support platform. A fixture assembly for fixing a workpiece is installed on the upper part of the support platform through the mounting holes. The fixture assembly includes a fixing plate fixed on the upper part of the support platform. A first clamping assembly for fixing both ends of the workpiece and a second clamping assembly for fixing the upper part of the workpiece are installed on the upper part of the fixing plate.

[0008] The second clamping assembly includes two sets of bases mounted above the fixed plate. A pressing fixture is mounted above the two sets of bases. The pressing fixture includes a hinge seat fixedly connected to the base by bolts. A handle is rotatably connected to the hinge seat. A pressure rod for clamping the workpiece is movably connected to the handle and the hinge seat. A fixing rod is fixedly connected between the two handles. Traction components are connected to both sides of the fixing rod.

[0009] It also includes a slag cleaning mechanism, which is located above the fixed plate and is used to clean the surface of the welded workpiece. The traction component is used to drive the movement of the slag cleaning mechanism to complete the comprehensive cleaning of the slag on the workpiece surface.

[0010] Preferably, the welding slag cleaning mechanism includes arc-shaped support plates installed on both sides of the fixed plate. The arc-shaped support plates are provided with wave-shaped limiting grooves. A support rod is slidably connected between the two sets of arc-shaped support plates. The support rod passes through the limiting grooves. A bearing is installed on the support rod at the limiting groove. The support rod is fixedly connected to the inner ring of the bearing. Limiting plates are connected to both sides of the support rod at the bearing. The limiting plates are arranged on both sides of the arc-shaped support plates. A first pulley is coaxially fixedly connected to one end of the support rod. A support plate is fixedly connected below the support platform. A drive assembly for driving the first pulley to rotate is installed on the support plate.

[0011] The support rod is also coaxially and slidably connected to two sets of sweeping rollers. The two sets of sweeping rollers are symmetrically arranged, and a connecting member is provided between the two sets of sweeping rollers. The connecting member is connected to the traction assembly.

[0012] Preferably, the connector includes a fixed sleeve rotatably connected to the outside of the support rod, a sleeve rod fixedly connected to the outer surface of the fixed sleeve, a sleeve tube slidably connected to the outside of the sleeve rod, a first spring installed inside the sleeve tube, one end of the first spring abutting against the inner bottom of the sleeve tube, the first spring being sleeved on the sleeve rod, and the other end of the first spring being fixedly connected to the outer wall of the fixed sleeve.

[0013] The traction assembly includes a traction rod fixedly connected to the side of the fixed rod in an arc shape. The other end of the traction rod is fixedly connected to the outer end of the fixed sleeve. By rotating the handle, the handle drives the traction rod, and the traction rod then drives the support rod to move through the connector, so that the support rod moves along the limiting slide groove.

[0014] Preferably, the cleaning roller has a keyway at the end away from the fixed sleeve, and a workpiece side cleaning component is slidably inserted into the keyway.

[0015] The cleaning assembly includes a cylinder that is slidably inserted into a keyway. A second spring is fixedly connected to the inner wall of the cylinder. The other end of the second spring abuts against the outer end of the cleaning roller. A grinding disc is fixedly connected to the outer side of the cylinder. The circumferential diameter of the grinding disc is larger than the diameter of the cleaning roller.

[0016] Preferably, an arc-shaped convex plate matching the wave shape of the limiting slide groove is fixedly connected to the inner side of the arc-shaped support plate. The side of the arc-shaped convex plate near the insert is provided with a beveled surface, and the end side of the arc-shaped convex plate is evenly distributed with balls.

[0017] As the cleaning roller moves along the limiting groove, the insert also moves with the cleaning roller. When the insert moves, the outer side of the insert contacts the oblique surface of the arc-shaped convex plate. The arc-shaped convex plate will squeeze the insert, causing the insert to move inward, so that the grinding disc on the insert can clean the side of the welded workpiece.

[0018] Preferably, a fixing seat is also fixedly connected to the side of the fixing plate, and a workpiece extraction assembly is installed above the fixing seat;

[0019] The pull-out assembly includes a gear mounted above the fixed base, an L-shaped toothed rod meshing above the gear, a guide sleeve fixedly connected above the fixed plate, the toothed rod being slidably inserted into the guide sleeve, and a pull-out component fixedly connected to the end of the toothed rod near the workpiece.

[0020] The pull-out component includes a fixing block connected to the toothed rod. The fixing block has a U-shaped groove on its side, which is wider on the outside and narrower on the inside. The fixing block has mounting grooves on both the upper and lower sides of the U-shaped groove. A pressure block is rotatably connected in the mounting groove. The pressure block is wedge-shaped. A third spring is fixedly connected to one side of the pressure block. The other end of the third spring is connected to the inner wall of the mounting groove. A slot is formed on the other side of the pressure block. The slot is elongated and parallel to the direction of toothed rod movement. A roller is embedded in the slot.

[0021] An arc-shaped drive rod is fixedly connected to the other side of the fixed rod. The upper inner side of the arc-shaped drive rod is provided with teeth. When the arc-shaped drive rod rotates, the teeth mesh with the gear.

[0022] Preferably, the end of the roller shaft near the workpiece is wedge-shaped, and the other end of the roller shaft is coaxially connected to a rubber ring, which protrudes from the outer periphery of the roller shaft;

[0023] The arc-shaped support plate is also provided with a clearance groove. After the workpiece is pulled out by the pull-out component, it is then unloaded through the clearance groove.

[0024] Preferably, the drive assembly includes a drive motor mounted on the pallet, a second pulley mounted on the output end of the drive motor, the second pulley being connected to the first pulley via a conveyor belt, and a tensioning assembly fixedly mounted on the support platform.

[0025] The tensioning assembly includes an L-shaped plate mounted on the support leg of the support platform. A slide rod is slidably inserted into the L-shaped plate. One end of the slide rod is connected to a tensioning wheel, which is mounted on a conveyor belt. A spring seat is provided at the other end of the slide rod. A fourth spring is fitted onto the slide rod. One end of the fourth spring abuts against the L-shaped plate, and the other end abuts against the spring seat.

[0026] Preferably, the first clamping assembly includes two sets of cylinders mounted on a fixed plate, with clamping blocks connected to the output ends of the two sets of cylinders, and the outer end face of the clamping block matching the side of the workpiece.

[0027] Preferably, a switch assembly is installed above the fixed plate on one side of the arc-shaped drive rod. The switch assembly includes a fixed shell fixedly connected to the fixed plate, a pressing rod slidably connected to the side of the fixed shell, a return spring sleeved on the pressing rod, and a touch switch connected to the inner end of the pressing rod. A protrusion is provided on the side of the arc-shaped drive rod, extending to the teeth. T-slots are provided on both the protrusion and the arc-shaped drive rod. The protrusion is used to press the pressing rod, and the pressing rod is T-shaped.

[0028] The technical effects and advantages of this invention are as follows:

[0029] 1. This fixture integrates welding and slag removal processes into a single station, eliminating the need to remove the workpiece from the fixture for cleaning. This avoids frequent workpiece transfers and significantly shortens the production cycle. Simultaneously, the integrated cleaning function saves on a dedicated cleaning station, improving workshop space utilization. The wave-shaped limiting groove design allows the cleaning mechanism to adapt to complex workpiece surface contours, ensuring comprehensive and effective cleaning. Furthermore, the automated cleaning process eliminates safety hazards associated with manual cleaning, such as the risk of burns and injuries from metal shavings.

[0030] 2. This fixture can clean not only the main surface of the workpiece but also its sides simultaneously, solving the problem that traditional cleaning methods struggle to address both simultaneously. The combination of the cleaning roller and the grinding disc ensures comprehensive cleaning. The pull-out assembly combines workpiece fixing and removal functions, simplifying the operation process and adapting to different types and shapes of workpieces to meet diverse production needs. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0032] Figure 2 For the present invention Figure 1 Enlarged structural diagram at point A in the middle;

[0033] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;

[0034] Figure 4 For the present invention Figure 3 Enlarged structural diagram at point B;

[0035] Figure 5 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 3 ;

[0036] Figure 6 For the present invention Figure 5 Enlarged structural diagram at point C;

[0037] Figure 7 This is a side view of the present invention;

[0038] Figure 8 This is a schematic diagram of the connector structure of the present invention;

[0039] Figure 9 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 4 ;

[0040] Figure 10 For the present invention Figure 9 Enlarged structural diagram at point D;

[0041] Figure 11 This is a schematic diagram of the cleaning roller structure of the present invention;

[0042] Figure 12 This is a schematic diagram of the side cleaning component structure of the present invention;

[0043] Figure 13 This is a schematic diagram of the workpiece insertion into the U-shaped groove according to the present invention;

[0044] Figure 14 This is a schematic diagram of the pressing block structure of the present invention;

[0045] Figure 15 This is a schematic diagram of the workpiece insertion and extraction process of the present invention;

[0046] Figure 16 This is a schematic diagram of the arc-shaped drive rod structure of the present invention. Figure 1 ;

[0047] Figure 17 For the present invention Figure 16 Enlarged structural diagram at point E;

[0048] Figure 18 For the present invention Figure 16 Enlarged structural diagram at point F;

[0049] Figure 19 This is a schematic diagram of the arc-shaped drive rod structure of the present invention. Figure 2 ;

[0050] Figure 20 This is a schematic diagram of the switching assembly structure of the present invention.

[0051] Explanation of the labels in the diagram:

[0052] 100. Support platform; 101. Mounting hole; 102. Support plate; 200. Clamp assembly; 201. Fixing plate; 202. Fixing base; 203. Guide sleeve; 300. First clamping assembly; 301. Cylinder; 302. Clamping block; 400. Second clamping assembly; 401. Base; 402. Press-type fixture; 403. Hinge seat; 404. Handle; 405. Pressure rod; 406. Fixing rod; 500. Traction assembly; 501. 502. Traction rod; 503. Arc-shaped drive rod; 504. Tooth; 505. Protrusion; 600. Weld slag cleaning mechanism; 601. Arc-shaped support plate; 602. Limiting slide; 603. Support rod; 604. Bearing; 605. Limiting plate; 606. First pulley; 607. Cleaning roller; 608. Connector; 609. Fixing sleeve; 610. Sleeve rod; 611. Sleeve tube; 612. First spring; 613. Keyway; 614. Arc-shaped protrusion Plate; 615, Beveled surface; 616, Ball bearing; 617, Clearance groove; 700, Drive assembly; 701, Drive motor; 702, Second pulley; 703, Conveyor belt; 800, Workpiece side cleaning assembly; 801, Insert sleeve; 802, Second spring; 803, Grinding disc; 900, Workpiece extraction assembly; 901, Gear; 902, Rack rack; 903, Extractor; 904, Fixing block; 905, U-shaped groove; 906, Installation... 907. Groove; 908. Pressure block; 909. Third spring; 900. Insert groove; 910. Roller shaft; 911. Rubber ring; 1000. Tensioning assembly; 1001. L-shaped plate; 1002. Slide rod; 1003. Tensioning wheel; 1004. Spring seat; 1005. Fourth spring; 1100. Switch assembly; 1101. Fixing shell; 1102. Extrusion rod; 1103. Return spring; 1104. Touch switch; 1105. T-slot. Detailed Implementation

[0053] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention. Example

[0054] In the automotive manufacturing industry, welding of car frame reinforcement components is a critical process. Large car body frames are typically composed of multiple metal plates connected by spot welding, lap welding, and other methods. In this process, welding fixtures play a vital role, not only needing to precisely position each plate but also ensuring stability during the welding process.

[0055] However, current vehicle body frame welding fixtures mainly have the following problems:

[0056] After welding, weld slag remains around the weld. This slag not only affects subsequent painting processes but can also cause localized corrosion, reducing the structural strength of the vehicle body. However, due to the complex structure of the vehicle body frame, many weld points are difficult to access, and manual cleaning is time-consuming, labor-intensive, and prone to oversight.

[0057] After each welding operation, the entire vehicle body frame needs to be removed from the fixture and transported to a dedicated cleaning station to remove welding slag before being sent back to the next process. This back-and-forth movement not only increases the production cycle but also occupies a significant amount of workshop space.

[0058] During manual cleaning, operators need to come into contact with workpieces that have not completely cooled down, posing a risk of burns. Additionally, metal shavings generated during the cleaning process can cause eye or skin injuries.

[0059] In light of the above scenarios, this application discloses a welding fixture with a welding residue cleaning function. Please refer to the appendix. Figures 1-4 The device includes a support platform 100, with a plurality of mounting holes 101 on the top of the support platform 100. A clamping assembly 200 for fixing a workpiece is mounted on the top of the support platform 100 through the mounting holes 101. The clamping assembly 200 includes a fixing plate 201 fixed on the top of the support platform 100. A first clamping assembly 300 for fixing both ends of the workpiece and a second clamping assembly 400 for fixing the top of the workpiece are mounted on the top of the fixing plate 201. The first clamping assembly 300 includes two sets of cylinders 301 mounted on the fixing plate 201. A clamping block 302 is connected to the output end of the two sets of cylinders 301. The outer end face of the clamping block 302 matches the side of the workpiece.

[0060] The second clamping assembly 400 includes two sets of bases 401 mounted above the fixed plate 201. A pressing fixture 402 is mounted above the two sets of bases 401. The pressing fixture 402 includes a hinge seat 403 fixedly connected to the base 401 by bolts. A handle 404 is rotatably connected to the hinge seat 403. A pressure rod 405 for clamping the workpiece is movably connected to the handle 404 and the hinge seat 403. A fixing rod 406 is fixedly connected between the two handles 404. A traction assembly 500 is connected to both sides of the fixing rod 406.

[0061] It also includes a slag cleaning mechanism 600, which is set above the fixed plate 201 and is used to clean the surface of the workpiece after welding. The traction component 500 is used to drive the movement of the slag cleaning mechanism 600 to complete the comprehensive cleaning of the slag on the surface of the workpiece.

[0062] In practical use, the operator places the body frame component to be welded into the clamp assembly 200 on the support platform 100.

[0063] The first clamping assembly 300 is used to fix one of the sheet-like workpieces to both ends of the vehicle body frame component, ensuring the workpiece's stability in the horizontal direction. The second clamping assembly 400 is operated, and the handle 404 is rotated to move the pressure bar 405 downward, applying pressure to the upper surface of the vehicle body frame component to further stabilize the workpiece.

[0064] After the workpiece is securely fixed, the welding robot begins the welding operation. During the welding process, the fixture assembly 200 maintains the stability of the workpiece to ensure welding accuracy. After welding is completed, there is no need to remove the workpiece from the fixture.

[0065] The operator activates the traction assembly 500 to prepare for slag removal. The operator pulls handle 404, which moves the slag removal mechanism 600 via the traction assembly 500. The slag removal mechanism 600 moves along the workpiece surface, removing the slag generated during welding. The traction assembly 500 ensures that the slag removal mechanism 600 can reach the surface and sides of the workpiece. During the slag removal process, the second clamping assembly 400 gradually loosens, preparing for subsequent workpiece removal.

[0066] Once the cleaning is complete, the handle 404 of the second clamping assembly 400 will also release the pressure bar 405 completely. Then, the first clamping assembly 300 will be released, and the cleaned workpiece can be pulled out from the side to complete the unloading process.

[0067] By integrating a slag cleaning mechanism 600 into the welding fixture, the workpiece surface can be cleaned directly after welding without removing the workpiece from the fixture. This solves the problems of difficulty in accessing the workpiece due to the complex structure of the vehicle body frame, and the time-consuming and labor-intensive nature of manual cleaning. Welding and cleaning are completed at the same station, avoiding the back-and-forth movement of the workpiece and significantly shortening the production cycle. At the same time, no additional cleaning station is needed, saving workshop space. The automated cleaning process avoids direct contact between operators and high-temperature workpieces, eliminating the risk of burns. It also avoids injuries that may be caused by metal debris during manual cleaning. Example

[0068] This embodiment is implemented based on the above embodiment. Please refer to [link / reference]. Figures 5-8 , Figure 11 and Figure 12 .

[0069] The slag cleaning mechanism 600 includes arc-shaped support plates 601 installed on both sides of the fixed plate 201. The arc-shaped support plates 601 are provided with wave-shaped limiting grooves 602. A support rod 603 is slidably connected between the two sets of arc-shaped support plates 601. The support rod 603 passes through the limiting grooves 602. A bearing 604 is installed on the support rod 603 at the limiting grooves 602. The support rod 603 is fixedly connected to the inner ring of the bearing 604. Limiting plates 605 are connected to both sides of the support rod 603 at the bearing 604. The limiting plates 605 are set on both sides of the arc-shaped support plates 601. A first pulley 606 is coaxially fixedly connected to one end of the support rod 603. A support plate 102 is fixedly connected to the bottom of the support platform 100. A drive assembly 700 for driving the first pulley 606 to rotate is installed on the support plate 102.

[0070] Two sets of sweeping rollers 607 are coaxially and slidably connected to the support rod 603. The sweeping rollers 607 are connected to the support rod 603 by a sliding key. The two sets of sweeping rollers 607 are symmetrically arranged, and a connector 608 is provided between the two sets of sweeping rollers 607. The connector 608 is connected to the traction assembly 500.

[0071] The connector 608 includes a fixed sleeve 609 rotatably connected to the outside of the support rod 603. A sleeve rod 610 is fixedly connected to the outer surface of the fixed sleeve 609. A sleeve tube 611 is slidably connected to the outside of the sleeve rod 610. A first spring 612 is installed inside the sleeve tube 611. One end of the first spring 612 abuts against the inner bottom of the sleeve tube 611. The first spring 612 is sleeved on the sleeve rod 610, and the other end of the first spring 612 is fixedly connected to the outer wall of the fixed sleeve 609.

[0072] The traction assembly 500 includes a traction rod 501 fixedly connected to the side of the fixed rod 406 in an arc shape. The other end of the traction rod 501 is fixedly connected to the outer end of the fixed sleeve 609. By rotating the handle 404, the handle 404 drives the traction rod 501, and the traction rod 501 then drives the support rod 603 to move through the connector 608, so that the support rod 603 moves along the limiting slide groove 602.

[0073] A keyway 613 is provided at the end of the cleaning roller 607 away from the fixed sleeve 609, and a workpiece side cleaning component 800 is slidably inserted into the keyway 613.

[0074] The cleaning assembly 800 includes a tube 801 that is slidably inserted into a keyway 613. A second spring 802 is fixedly connected to the inner wall of the tube 801. The other end of the second spring 802 abuts against the outer end of the cleaning roller 607. A grinding disc 803 is fixedly connected to the outer side of the tube 801. The circumferential diameter of the grinding disc 803 is larger than the diameter of the cleaning roller 607.

[0075] An arc-shaped protrusion 614 matching the wave shape of the limiting slide groove 602 is fixedly connected to the inner side of the arc-shaped support plate 601. An oblique cut surface 615 is provided on the side of the arc-shaped protrusion 614 near the insert 801. Ball bearings 616 are evenly distributed on the end side of the arc-shaped protrusion 614.

[0076] When the cleaning roller 607 moves along the limiting groove 602, the insert cylinder 801 also moves with the cleaning roller 607. When the insert cylinder 801 moves, the outer side of the insert cylinder 801 contacts the inclined surface 615 of the arc-shaped protrusion 614. The arc-shaped protrusion 614 will squeeze the insert cylinder 801, causing the insert cylinder 801 to move inward, so that the grinding disc 803 on the insert cylinder 801 cleans the side of the welded workpiece.

[0077] In Example 1, after the workpiece is cleaned of welding slag, it needs to be unloaded. The operator turns the handle 404 again to release the workpiece, and at the same time, the welding slag cleaning mechanism 600 starts to work.

[0078] Specifically, the rotation of handle 404 causes the fixed rod 406 to move, which in turn drives the traction rod 501 connected to the fixed rod 406. The traction rod 501 transmits traction force through the connector 608, causing the support rod 603 to start moving.

[0079] In this embodiment, the workpiece body surface cleaning process is as follows:

[0080] The support rod 603 begins to move along the wavy limiting groove 602 on the arc-shaped support plate 601. The wavy design of the limiting groove 602 allows the cleaning process to adapt to the complex surface contour of the workpiece. At the same time, the cleaning roller 607 has varying depths during the cleaning process of the workpiece surface. In this application, the wavy shape of the limiting groove 602 simulates the undulations of the complex workpiece surface. The varying depths of the groove correspond to the concavity and convexity of the workpiece surface. The support rod 603 moves up and down during the movement, which can closely follow the contour of the workpiece surface and avoid dead corners or insufficient cleaning that may occur in the planar cleaning mode. The cleaning roller 607 is a wire brush type.

[0081] As the support rod 603 moves, the drive assembly 700 installed on the pallet 102 starts to work, driving the first pulley 606 to rotate at high speed. The rotation of the first pulley 606 drives the support rod 603, which is coaxially connected to it, to rotate, which in turn drives the cleaning roller 607 to rotate at high speed. The rotating cleaning roller 607 contacts the surface of the workpiece, effectively removing welding slag and other impurities from the surface of the workpiece.

[0082] Side cleaning process:

[0083] As the support rod 603 moves, the insert 801 installed at the end of the cleaning roller 607 also moves. When the insert 801 moves to the position of the arc-shaped convex plate 614, the outer side of the insert 801 contacts the inclined surface 615 of the arc-shaped convex plate 614. The design of the inclined surface 615 causes the insert 801 to be subjected to inward pressure, overcoming the elastic force of the second spring 802, and sliding into the cleaning roller 607. This causes the grinding disc 803 fixed on the outside of the insert 801 to move slightly inward. The extended grinding disc 803 contacts the side of the workpiece and cleans the side of the workpiece. The evenly distributed balls 616 on the arc-shaped convex plate 614 reduce the friction when the insert 801 moves, ensuring smooth operation. At the same time, the setting of the inclined surface 615 also causes the grinding disc 803 to gradually increase the inward moving force during the movement, making the grinding and cleaning more thorough.

[0084] The flexible adjustment mechanism works as follows:

[0085] Throughout the cleaning process, the first spring 612 in the connector 608 acts as a buffer, adapting to the slight undulations on the workpiece surface, ensuring that the cleaning roller 607 always maintains appropriate pressure, and also pulling the cleaning roller 607 to move.

[0086] Similarly, the second spring 802 inside the insert 801 also acts as a buffer. When the grinding disc 803 contacts the side of the workpiece, the second spring 802 provides the necessary elasticity to ensure that the grinding disc 803 can stick tightly to the side of the workpiece and will not be removed from the cleaning position due to resistance.

[0087] By moving and rotating the support rod 603, combined with the design of the wave-shaped limiting groove 602, the cleaning roller 607 can clean the workpiece surface in all directions according to the preset path. It should be noted that the limiting groove 602 can be not only wave-shaped, but also different shapes of limiting groove 602 can be replaced according to the actual situation, which solves the problem that traditional cleaning methods cannot treat the surface and sides at the same time.

[0088] In addition, when the grinding disc 803 is squeezed by the arc-shaped convex plate 614, the squeezing force on the grinding disc 803 can also drive the cleaning roller 607 to move slightly inward. Limiting plates are set on both sides of the support rod 603 near the fixed sleeve 609. Wave-shaped springs are set on the side of the limiting plate. When the end of the cleaning roller 607 contacts the side of the limiting plate, a rotary bearing is set on the side of the cleaning roller 607. The rotary bearing contacts the side of the limiting plate, so that the cleaning roller 607 can move and reset without affecting the rotation of the cleaning roller 607, thereby improving the cleaning effect of the workpiece surface. Example

[0089] This embodiment is implemented based on the above embodiment. Please refer to [link / reference]. Figure 9 , Figure 10 , Figures 13-15 .

[0090] To facilitate material unloading, a fixing seat 202 is fixedly connected to the side of the fixing plate 201, and a workpiece extraction assembly 900 is installed above the fixing seat 202.

[0091] The pull-out assembly 900 includes a gear 901 mounted on the top of the fixed base 202, an L-shaped rack 902 meshing with the top of the gear 901, a guide sleeve 203 fixedly connected to the top of the fixed plate 201, the rack 902 being slidably inserted into the guide sleeve 203, and a pull-out component 903 fixedly connected to the end of the rack 902 near the workpiece.

[0092] The pull-out component 903 includes a fixing block 904 connected to the toothed rod 902. The fixing block 904 has a U-shaped groove 905 on its side, which is wider on the outside and narrower on the inside. The fixing block 904 has mounting grooves 906 on both the upper and lower sides of the U-shaped groove 905. A pressure block 907 is rotatably connected in the mounting groove 906. The pressure block 907 is wedge-shaped. A third spring 908 is fixedly connected to one side of the pressure block 907. The other end of the third spring 908 is connected to the inner wall of the mounting groove 906. A slot 909 is provided on the other side of the pressure block 907. The slot 909 is elongated and parallel to the direction of movement of the toothed rod 902. A roller 910 is embedded in the slot 909.

[0093] An arc-shaped drive rod 502 is fixedly connected to the other side of the fixed rod 406. The upper inner side of the arc-shaped drive rod 502 is provided with teeth 503. When the arc-shaped drive rod 502 rotates, the teeth 503 mesh with the gear 901.

[0094] The roller 910 is wedge-shaped at one end near the workpiece, and a rubber ring 911 is coaxially connected to the other end of the roller 910. The rubber ring 911 protrudes from the outer periphery of the roller 910.

[0095] The arc-shaped support plate 601 is also provided with a clearance groove 617. After the workpiece is pulled out by the pull-out component 900, it is then unloaded through the clearance groove 617.

[0096] The welding and cleaning processes have been completed, but the workpiece remains fixed in place by the fixture.

[0097] Specifically, the operator turns the handle 404, which causes the fixed rod 406 to rotate, and the rotation of the fixed rod 406 causes the arc-shaped drive rod 502 to move.

[0098] During the initial movement of the arc-shaped drive rod 502, it is not in contact with the gear 901, and the slag cleaning mechanism 600 is in operation. After the slag cleaning mechanism 600 completes its cleaning work, the arc-shaped drive rod 502 continues to move. The cleaning roller 607, according to the shape of the limiting groove 602, will move slightly upwards, separating the cleaning roller 607 from the workpiece. As the arc-shaped drive rod 502 continues to move, the first clamping assembly 300 releases, preparing for subsequent workpiece removal. Then, the gear on the arc-shaped drive rod 502... Tooth 503 begins to mesh with gear 901. The meshing of tooth 503 with gear 901 causes gear 901 to start rotating. The rotation of gear 901 drives L-shaped rack 902 to slide within guide sleeve 203. Rack 902 drives pull-out part 903 to move outward. U-shaped groove 905, pressure block 907 and roller 910 cooperate to firmly clamp the workpiece. As L-shaped rack 902 continues to move, the workpiece is gradually pulled out of its original position and enters the clearance groove 617. Then, the mechanical claw set on the side pulls the workpiece out from the clearance groove 617, and it can be unloaded.

[0099] Workpiece clamping process:

[0100] When the L-shaped toothed rod 902 drives the U-shaped groove 905 on the fixed block 904 to contact the workpiece, the pressure block 907 experiences resistance. The pressure block 907 overcomes the force of the third spring 908 and begins to rotate. The wedge-shaped design of the pressure block 907 ensures it firmly presses against the workpiece surface. As the pressure block 907 rotates, the wedge-shaped end of the roller 910 contacts the workpiece, and the rubber ring 911 forms good frictional contact with the workpiece surface, facilitating removal. Example

[0101] This embodiment is implemented based on the above embodiment. Please refer to [link / reference]. Figure 1 and Figure 4 .

[0102] The drive assembly 700 includes a drive motor 701 mounted on the pallet 102, a second pulley 702 mounted on the output end of the drive motor 701, and the second pulley 702 and the first pulley 606 are connected by a transmission belt 703. A tensioning assembly 1000 is also fixedly mounted on the support platform 100.

[0103] The tensioning assembly 1000 includes an L-shaped plate 1001 mounted on the legs of the support platform 100. A slide rod 1002 is slidably inserted into the L-shaped plate 1001. One end of the slide rod 1002 is connected to a tension wheel 1003, which is mounted on the conveyor belt 703. A spring seat 1004 is mounted on the other end of the slide rod 1002. A fourth spring 1005 is fitted onto the slide rod 1002. One end of the fourth spring 1005 abuts against the L-shaped plate 1001, and the other end abuts against the spring seat 1004.

[0104] The drive motor 701 drives the support rod 603 to rotate via belt drive, which can provide stable and controllable power output and is suitable for long-term operation. The tensioning component 1000 adjusts the tension of the conveyor belt 703. The design of the L-shaped plate 1001 and the slide bar 1002 allows the position of the tensioning wheel 1003 to be adjusted. The fourth spring 1005 provides continuous tension force and can automatically compensate for the slack of the conveyor belt. Example

[0105] This embodiment is implemented based on the above embodiment. Please refer to [link / reference]. Figures 16-20 .

[0106] A switch assembly 1100 is installed above the fixed plate 201 on one side of the arc-shaped drive rod 502. The switch assembly 1100 includes a fixed shell 1101 fixedly connected to the fixed plate 201. A pressing rod 1102 is slidably connected to the side of the fixed shell 1101. A return spring 1103 is sleeved on the pressing rod 1102. A touch switch 1104 is connected to the inner end of the pressing rod 1102. A protrusion 504 is provided on the side of the arc-shaped drive rod 502. The protrusion 504 extends to the teeth 503. T-slots 1105 are provided on both the protrusion 504 and the arc-shaped drive rod 502. The protrusion 504 is used to press the pressing rod 1102. The pressing rod 1102 is T-shaped.

[0107] When the arc-shaped drive rod 502 rotates, the protrusion 504 on its side will contact and squeeze the compression rod 1102 at the beginning of the movement of the arc-shaped drive rod 502. The compression rod 1102 is pushed in, compressing the return spring 1103, and at the same time triggering the touch switch 1104. The touch switch 1104 closes, powering the drive assembly 700, starting the welding slag cleaning mechanism 600 to work, and it is in a continuous downward pressure state. When the arc-shaped drive rod 502 moves to the position where the teeth 503 contact the gear 901, the pressing rod 1102 slides off the protrusion 504 and into the T-slot 1105. The pressing rod 1102 rebounds under the action of the return spring 1103, the touch switch 1104 is turned off, and the drive motor 701 stops. When the handle 404 is rotated, the arc-shaped drive rod 502 moves in the opposite direction. The pressing rod 1102 remains in the T-slot 1105 until it slides out of the T-slot 1105. The touch switch 1104 remains in the off state, and the drive motor 701 will not start, making it convenient for the next cleaning operation.

[0108] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0109] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A welding fixture with a welding residue cleaning function, comprising a support platform (100), wherein a plurality of mounting holes (101) are provided above the support platform (100), and a fixture assembly (200) for fixing a workpiece is mounted above the support platform (100) through the mounting holes (101), characterized in that, The clamping assembly (200) includes a fixing plate (201) fixed above the support platform (100), and a first clamping assembly (300) for fixing both ends of the workpiece and a second clamping assembly (400) for fixing the top of the workpiece are mounted on the fixing plate (201). The second clamping assembly (400) includes two sets of bases (401) mounted above the fixed plate (201). A pressing fixture (402) is mounted above the two sets of bases (401). The pressing fixture (402) includes a hinge seat (403) fixedly connected to the base (401) by bolts. A handle (404) is rotatably connected to the hinge seat (403). A pressure rod (405) for clamping the workpiece is movably connected to the handle (404) and the hinge seat (403). A fixing rod (406) is fixedly connected between the two handles (404). A traction assembly (500) is connected to both sides of the fixing rod (406). It also includes a slag cleaning mechanism (600), which is located above the fixed plate (201) and is used to clean the surface of the workpiece after welding. The traction component (500) is used to drive the movement of the slag cleaning mechanism (600) to complete the comprehensive cleaning of the slag on the surface of the workpiece.

2. The welding fixture with welding residue cleaning function according to claim 1, characterized in that: The welding slag cleaning mechanism (600) includes arc-shaped support plates (601) installed on both sides of the fixed plate (201). The arc-shaped support plates (601) have wave-shaped limiting grooves (602). A support rod (603) is slidably connected between the two sets of arc-shaped support plates (601). The support rod (603) passes through the limiting groove (602). A bearing (604) is installed on the support rod (603) at the limiting groove (602). The support rod (603) and the bearing (604) are connected... The inner ring of the bearing (604) is fixedly connected. The support rod (603) is located on both sides of the bearing (604) and connected to the limiting plate (605). The limiting plate (605) is set on both sides of the arc-shaped support plate (601). One end of the support rod (603) is coaxially fixedly connected to the first pulley (606). The support plate (102) is fixedly connected below the support platform (100). The drive assembly (700) for driving the first pulley (606) to rotate is installed on the support plate (102). Two sets of sweeping rollers (607) are coaxially and slidably connected to the support rod (603). The two sets of sweeping rollers (607) are symmetrically arranged, and a connector (608) is provided between the two sets of sweeping rollers (607). The connector (608) is connected to the traction assembly (500).

3. A welding fixture with welding residue cleaning function according to claim 2, characterized in that: The connector (608) includes a fixed sleeve (609) rotatably connected to the outside of the support rod (603). A sleeve rod (610) is fixedly connected to the outer surface of the fixed sleeve (609). A sleeve tube (611) is slidably connected to the outside of the sleeve rod (610). A first spring (612) is installed inside the sleeve tube (611). One end of the first spring (612) abuts against the inner bottom of the sleeve tube (611). The first spring (612) is sleeved on the sleeve rod (610), and the other end of the first spring (612) is fixedly connected to the outer wall of the fixed sleeve (609). The traction assembly (500) includes a traction rod (501) fixedly connected to the side of the fixed rod (406) in an arc shape. The other end of the traction rod (501) is fixedly connected to the outer end of the fixed sleeve (609). By rotating the handle (404), the handle (404) drives the traction rod (501), and the traction rod (501) then drives the support rod (603) to move through the connector (608), so that the support rod (603) moves along the limiting slide groove (602).

4. A welding fixture with welding residue cleaning function according to claim 3, characterized in that: The cleaning roller (607) has a keyway (613) at one end away from the fixed sleeve (609), and a workpiece side cleaning component (800) is slidably inserted into the keyway (613). The cleaning assembly (800) includes a tube (801) that is slidably inserted into a keyway (613). A second spring (802) is fixedly connected to the inner wall of the tube (801). The other end of the second spring (802) abuts against the outer end of the cleaning roller (607). A grinding disc (803) is fixedly connected to the outer side of the tube (801). The circumferential diameter of the grinding disc (803) is larger than the diameter of the cleaning roller (607).

5. A welding fixture with welding residue cleaning function according to claim 2, characterized in that: An arc-shaped convex plate (614) matching the wave shape of the limiting slide groove (602) is fixedly connected to the inner side of the arc-shaped support plate (601). The side of the arc-shaped convex plate (614) near the insert (801) is provided with a chamfered surface (615). Ball bearings (616) are evenly distributed on the end side of the arc-shaped convex plate (614). When the cleaning roller (607) moves along the limiting groove (602), the insert (801) also moves with the cleaning roller (607). When the insert (801) moves, the outer side of the insert (801) contacts the oblique surface (615) of the arc-shaped protrusion (614). The arc-shaped protrusion (614) will squeeze the insert (801), causing the insert (801) to move inward, so that the grinding disc (803) on the insert (801) cleans the side of the welded workpiece.

6. A welding fixture with welding residue cleaning function according to claim 5, characterized in that: A fixing seat (202) is also fixedly connected to the side of the fixing plate (201), and a workpiece pull-out assembly (900) is installed above the fixing seat (202). The pull-out assembly (900) includes a gear (901) mounted above the fixed base (202), an L-shaped rack (902) meshing above the gear (901), a guide sleeve (203) fixedly connected above the fixed plate (201), the rack (902) being slidably inserted into the guide sleeve (203), and a pull-out component (903) fixedly connected to the end of the rack (902) near the workpiece. The pull-out component (903) includes a fixing block (904) connected to the rack (902). The fixing block (904) has a U-shaped groove (905) on its side, which is wider on the outside and narrower on the inside. The fixing block (904) has mounting grooves (906) on both the upper and lower sides of the U-shaped groove (905). A pressure block (907) is rotatably connected in the mounting groove (906). The pressure block (907) is wedge-shaped. A third spring (908) is fixedly connected to one side of the pressure block (907). The other end of the third spring (908) is connected to the inner wall of the mounting groove (906). A groove (909) is provided on the other side of the pressure block (907). The groove (909) is elongated and parallel to the direction of movement of the rack (902). A roller (910) is embedded in the groove (909). An arc-shaped drive rod (502) is fixedly connected to the other side of the fixed rod (406). The upper inner side of the arc-shaped drive rod (502) is provided with teeth (503). When the arc-shaped drive rod (502) rotates, the teeth (503) mesh with the gear (901).

7. A welding fixture with welding residue cleaning function according to claim 6, characterized in that: The roller (910) is wedge-shaped at one end near the workpiece, and a rubber ring (911) is coaxially connected to the other end of the roller (910), with the rubber ring (911) protruding from the outer periphery of the roller (910). The arc-shaped support plate (601) is also provided with a clearance groove (617). After the workpiece is pulled out by the pull-out component (900), it is then unloaded through the clearance groove (617).

8. A welding fixture with welding residue cleaning function according to claim 2, characterized in that: The drive assembly (700) includes a drive motor (701) mounted on a pallet (102), a second pulley (702) mounted on the output end of the drive motor (701), the second pulley (702) and the first pulley (606) being connected by a transmission belt (703), and a tensioning assembly (1000) fixedly mounted on the support platform (100). The tensioning assembly (1000) includes an L-shaped plate (1001) mounted on the legs of the support platform (100). A slide rod (1002) is slidably inserted into the L-shaped plate (1001). One end of the slide rod (1002) is connected to a tension wheel (1003), which is mounted on the conveyor belt (703). A spring seat (1004) is mounted on the other end of the slide rod (1002). A fourth spring (1005) is fitted onto the slide rod (1002). One end of the fourth spring (1005) rests against the L-shaped plate (1001), and the other end rests against the spring seat (1004).

9. A welding fixture with welding residue cleaning function according to claim 1, characterized in that: The first clamping assembly (300) includes two sets of cylinders (301) mounted on a fixed plate (201). The output ends of the two sets of cylinders (301) are connected to clamping blocks (302), and the outer end face of the clamping blocks (302) matches the side of the workpiece.

10. A welding fixture with welding residue cleaning function according to claim 6, characterized in that: A switch assembly (1100) is installed above the fixed plate (201) on one side of the arc-shaped drive rod (502). The switch assembly (1100) includes a fixed shell (1101) fixedly connected to the fixed plate (201). A pressing rod (1102) is slidably connected to the side of the fixed shell (1101). A return spring (1103) is sleeved on the pressing rod (1102). A touch switch (1104) is connected to the inner end of the pressing rod (1102). A protrusion (504) is provided on the side of the arc-shaped drive rod (502). The protrusion (504) extends to the teeth (503). T-slots (1105) are provided on both the protrusion (504) and the arc-shaped drive rod (502). The protrusion (504) is used to press the pressing rod (1102). The pressing rod (1102) is T-shaped.

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