A door plate water cutting support automatic welding workstation

Abstract

The utility model provides a door board water cutting support automatic welding workstation relates to automobile door board water cutting support welding technical field, the utility model discloses the slide groove being set in the surface of base, the inside slide connection of slide groove has two vertical batten, the top surface of two vertical battens all is fixedly installed with L type rod, and the one end fixed mounting of L type rod is away from vertical batten has clamped positioning board, and the side surface fixed mounting of welding workstation has U type rod, and the outer wall surface slide connection of U type rod has two L type boards, the utility model discloses through clamping positioning device, makes the utilization electric telescopic link drive slip plate, and the synchronous promotion of cooperation hinged plate two vertical battens to the door board close, realize both sides horizontal clamping, compared with the existing unilateral clamping mode, can even force from the both sides of door board, greatly promote the firmness of clamping, avoid the door board from the uneven stress and the deviation of door board in the welding process, guarantee the welding alignment accuracy, reduce the welding position deviation.

Description

Technical Field

[0001] This utility model relates to the field of automotive door panel water-cutting bracket welding technology, and in particular to an automatic welding workstation for door panel water-cutting brackets. Background Technology

[0002] The door panel water deflector bracket is an important component of automobile doors, used to install and fix the door water deflector strip. Its welding quality directly affects the sealing performance and service life of the door.

[0003] Existing automatic welding systems for door panel water cutter brackets only use a single-sided horizontal clamping method when welding door panels and water cutter brackets. The clamping force is insufficient, and the clamping contact surface lacks a targeted anti-slip design. During the welding process, the door panel and water cutter bracket are prone to relative displacement due to welding vibration and fluid forces, which damages the welding alignment accuracy and leads to welding position deviation. Utility Model Content

[0004] The purpose of this utility model is to solve the problems mentioned above in the background art by proposing an automatic welding workstation for door panel water cutting brackets.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an automatic welding workstation for a door panel water cutting bracket, comprising a base, four support columns fixedly installed on the surface of the base, a welding worktable fixedly installed on the surface of the four support columns away from the base, a positioning clamping device provided on the surface of the base, the positioning clamping device comprising a groove formed on the surface of the base, two vertical plates slidably connected inside the groove, an L-shaped rod fixedly installed on the top surface of each of the two vertical plates, and a clamping positioning plate fixedly installed on the end of the L-shaped rod away from the vertical plate.

[0006] Preferably, a U-shaped rod is fixedly installed on one side surface of the welding workbench, and two L-shaped plates are slidably connected to the outer wall surface of the U-shaped rod. The end of the clamping and positioning plate away from the U-shaped rod is fixedly connected to the L-shaped plate.

[0007] Preferably, a fixing plate and a support plate are fixedly installed on the surface of the base, a slide rod is fixedly installed between the fixing plate and the support plate, and a sliding plate is slidably connected to the outer wall surface of the slide rod.

[0008] Preferably, the surface of the sliding plate is hinged with two hinge plates, and the end of the hinge plate away from the sliding plate is hinged to the vertical strip plate.

[0009] Preferably, an electric telescopic rod is fixedly installed on the surface of the support plate, the output end of the electric telescopic rod is fixedly connected to the sliding plate, and a PLC controller is fixedly installed on one side surface of the base, and the PLC controller and the electric telescopic rod are electrically connected.

[0010] The effect achieved by the above components is that the sliding plate is driven by the electric telescopic rod, and the two vertical plates are pushed towards the door panel in sync with the hinge plate, so as to achieve double-sided horizontal clamping. Compared with the existing single-sided clamping method, it can apply force evenly from both sides of the door panel, which greatly improves the clamping firmness, avoids the door panel from shifting due to uneven force during the welding process, ensures welding alignment accuracy, and reduces welding position deviation.

[0011] Preferably, each of the two clamping positioning plates is provided with a vertical pressing device on one side surface. The vertical pressing device includes a U-shaped frame fixedly installed on one side surface of the clamping positioning plate. A threaded rod is rotatably connected between the inner walls of the upper and lower ends of the U-shaped frame, and a rotating wheel is fixedly installed at one end of the threaded rod.

[0012] Preferably, the inner wall surface of the vertical end of the U-shaped frame is provided with a vertical groove, and the outer wall surface of the threaded rod is threadedly connected with a movable plate, which is slidably connected to the threaded rod and the vertical groove.

[0013] Preferably, a short rod is fixedly installed on the bottom surface of the movable plate, and a clamping strip is fixedly installed on the end of the short rod away from the movable plate.

[0014] The effect achieved by the above-mentioned components is as follows: by driving the movable plate and the clamping strip down through the threaded rod, vertical pressure is applied to the water cutter bracket, which solves the problem of gap between the bracket and the door panel caused by the existing technology that relies solely on gravity to adhere, so that the two are tightly fitted, avoiding the impact of gaps on the door sealing performance after welding, and ensuring the quality of subsequent welding.

[0015] Compared with the prior art, the advantages and positive effects of this utility model are as follows: In this invention, by setting up a clamping and positioning device, the sliding plate is driven by an electric telescopic rod, which, together with the hinge plate, simultaneously pushes the two vertical plates closer to the door panel, achieving double-sided horizontal clamping. Compared with the existing single-sided clamping method, it can apply force evenly from both sides of the door panel, greatly improving the clamping firmness, avoiding the door panel from shifting due to uneven force during welding, ensuring welding alignment accuracy, and reducing welding position deviation. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This utility model Figure 1 Another structural diagram from a different angle; Figure 3 This utility model Figure 2 Another structural diagram from a different angle; Figure 4 This is a schematic diagram of the pressing device of this utility model.

[0017] Legend: 1. Base; 2. Positioning and clamping device; 201. Slide groove; 202. Vertical strip plate; 203. L-shaped rod; 204. Clamping and positioning plate; 205. U-shaped rod; 206. L-shaped plate; 207. Fixing plate; 208. Support plate; 209. Slide rod; 210. Sliding plate; 211. Hinge plate; 212. Electric telescopic rod; 213. PLC controller; 3. Vertical clamping device; 31. U-shaped frame; 32. Threaded rod; 33. Rotary wheel; 34. Vertical groove; 35. Movable plate; 36. Short rod; 37. Clamping strip; 4. Support column; 5. Welding workbench. Detailed Implementation

[0018] Example 1, such as Figure 1-4 As shown, an automatic welding workstation for a door panel water cutting bracket includes a base 1. Four support columns 4 are fixedly installed on the surface of the base 1. A welding worktable 5 is fixedly installed on the surface of the four support columns 4 away from the base 1. The welding worktable 5 is made of 304 stainless steel and the surface is covered with a ceramic heat insulation plate.

[0019] Reference Figure 1-2 As shown in this embodiment: the surface of the base 1 is provided with a positioning clamping device 2. The positioning clamping device 2 includes a groove 201 formed on the surface of the base 1. Two vertical plates 202 are slidably connected inside the groove 201. L-shaped rods 203 are fixedly installed on the top surfaces of the two vertical plates 202. A clamping positioning plate 204 is fixedly installed at the end of the L-shaped rod 203 away from the vertical plates 202. A U-shaped rod 205 is fixedly installed on one side surface of the welding workbench 5. Two L-shaped plates 206 are slidably connected to the outer wall surface of the U-shaped rod 205. The end of the clamping positioning plate 204 away from the U-shaped rod 205 is fixedly connected to the L-shaped plate 206. A fixed... A slide rod 209 is fixedly installed between plate 207 and support plate 208. A sliding plate 210 is slidably connected to the outer wall surface of slide rod 209. Two hinge plates 211 are hinged to the surface of sliding plate 210. The end of hinge plate 211 away from sliding plate 210 is hinged to vertical strip plate 202. An electric telescopic rod 212 is fixedly installed on the surface of support plate 208. The output end of electric telescopic rod 212 is fixedly connected to sliding plate 210. A PLC controller 213 is fixedly installed on one side surface of base 1. PLC controller 213 and electric telescopic rod 212 are electrically connected. PLC controller 213 is model S7-200 SMART with a 7-inch touch screen. A silicone anti-slip pad is pasted on the contact surface between clamping positioning plate 204 and door panel. A grease nipple is provided at the pin of hinge plate 211. Electric telescopic rod 212 is model XTL150 with a position sensor.

[0020] Reference Figure 3-4As shown in this embodiment: a vertical clamping device 3 is provided on one side surface of each of the two clamping positioning plates 204. The vertical clamping device 3 includes a U-shaped frame 31 fixedly installed on one side surface of the clamping positioning plate 204. A threaded rod 32 is rotatably connected between the inner walls of the upper and lower ends of the U-shaped frame 31. A rotating wheel 33 is fixedly installed at one end of the threaded rod 32. A vertical groove 34 is opened on the inner wall surface of the vertical end of the U-shaped frame 31. A movable plate 35 is threadedly connected to the outer wall surface of the threaded rod 32. The movable plate 35 is slidably connected by the threaded rod 32 and the vertical groove 34. A short rod 36 is fixedly installed on the bottom surface of the movable plate 35. A clamping strip 37 is fixedly installed at the end of the short rod 36 away from the movable plate 35. The threaded rod 32 is made of 45# steel with a pitch of 2mm and is galvanized for rust prevention. The clamping strip 37 is made of 45# steel and has a fluororubber pad attached to its bottom.

[0021] Working Principle: When welding is required, first, place the door panel: Place the car door panel to be welded stably on the ceramic heat insulation plate of the welding workbench 5. Adjust the position of the door panel using the pre-set positioning marks on the surface of the welding workbench 5, ensuring that the edge of the door panel is aligned with the marks to avoid initial placement deviations affecting subsequent welding accuracy. Then, pre-install the water-cutting bracket: Attach the water-cutting bracket along the welding baseline on the surface of the door panel, and use magnetic positioning blocks to temporarily fix it at both ends, ensuring a tight fit between the bracket and the door panel to prevent displacement after pre-installation; then, use plugs... After checking the fit gap between the bracket and the door panel and ensuring there are no obvious gaps, remove the magnetic positioning block for later use. After pre-installation, first start the horizontal clamping program: Click "Horizontal Clamping Start" on the touch screen of PLC controller 213. The electric telescopic rod 212 is energized and extends. Its output end pushes the sliding plate 210 to slide smoothly along the slide rod 209. When the sliding plate 210 slides, it simultaneously drives the two hinged plates 211 on the surface to rotate around the pin and unfold. The hinged plates 211 push the two vertical plates 202 along the sliding groove 201 on the surface of the base. The vertical bar 202 moves towards both sides of the door panel; during the movement, it drives the top L-shaped rod 203 and the clamping positioning plate 204 to move closer to the door panel simultaneously. When the silicone anti-slip pads of the clamping positioning plate 204 are in contact with both sides of the door panel, the PLC controller 213 monitors the thrust of the electric telescopic rod 212 in real time. When the thrust reaches the preset stable value, it automatically controls the electric telescopic rod 212 to stop. At the same time, the clamping positioning plate 204 drives the L-shaped plate 206 to slide along the U-shaped rod 205. The cooperation between the U-shaped rod 205 and the L-shaped plate 206 serves as a guide. The function is to ensure that the two clamping and positioning plates 204 move synchronously, and that the door panel does not wobble or deviate in the horizontal direction. After the horizontal clamping and positioning is completed, the vertical clamping is then performed: the operator holds the two vertical clamping devices 3's rotating wheels 33 with both hands and rotates the rotating wheels 33 clockwise, which drives the threaded rod 32 to rotate between the inner walls of the upper and lower ends of the U-shaped frame 31. Since the movable plate 35 is threadedly connected to the threaded rod 32 and is limited by the vertical groove 34 at the vertical end of the U-shaped frame 31, the rotation of the threaded rod 32 will drive the movable plate 35 to slide downward along the vertical groove 34.When the movable plate 35 slides downwards, it causes the short rod 36 at the bottom and the clamping strip 37 to descend synchronously. When the fluororubber pad at the bottom of the clamping strip 37 adheres to the surface of the water-cutting bracket, the rotating wheel 33 continues to rotate until the resistance feels significantly increased, then stops rotating. At this point, the water-cutting bracket is vertically pressed against the door panel surface without warping or gaps, preventing displacement due to vibration during welding. After vertical pressing and fixing, external welding equipment can be started for welding. After welding is completed, the operator rotates the rotating wheel 33 counterclockwise, causing the threaded rod 32 to rotate in the opposite direction, and the movable plate 35... The clamping bar 37 rises, disengaging from the water-cutting bracket. After the vertical clamping is released, click "Horizontal Clamping Stop" on the PLC controller 213. The electric telescopic rod 212 retracts, pulling the sliding plate 210 to slide in the opposite direction. The hinge plate 211 retracts, and the vertical bar 202 drives the clamping positioning plate 204 to release the door panel. Finally, remove the workpiece and clean the equipment: Use gloves to remove the welded door panel from the workbench and place it on a special cooling rack to cool naturally; use compressed air to blow away dust and a small amount of welding slag from the surface of the clamping positioning plate 204, and wipe the surface of the workbench.

[0022] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may use the disclosed technical content to make changes or modifications to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model, without departing from the scope of the utility model's technical solution, still fall within the protection scope of this utility model's technical solution. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood through specific circumstances.

Claims

1. An automatic welding workstation for a door panel water-cutting bracket, comprising a base (1), wherein four support columns (4) are fixedly mounted on the surface of the base (1), and a welding worktable (5) is fixedly mounted on the surface of one end of the four support columns (4) away from the base (1), characterized in that: The base (1) is provided with a positioning clamping device (2) on its surface. The positioning clamping device (2) includes a groove (201) opened on the surface of the base (1). Two vertical plates (202) are slidably connected inside the groove (201). An L-shaped rod (203) is fixedly installed on the top surface of the two vertical plates (202). A clamping positioning plate (204) is fixedly installed at the end of the L-shaped rod (203) away from the vertical plate (202).

2. The automatic welding workstation for a door panel water-cutting bracket according to claim 1, characterized in that: A U-shaped rod (205) is fixedly installed on one side surface of the welding workbench (5). Two L-shaped plates (206) are slidably connected to the outer wall surface of the U-shaped rod (205). The end of the clamping and positioning plate (204) away from the U-shaped rod (205) is fixedly connected to the L-shaped plate (206).

3. The automatic welding workstation for a door panel water-cutting bracket according to claim 1, characterized in that: A fixing plate (207) and a support plate (208) are fixedly installed on the surface of the base (1). A slide rod (209) is fixedly installed between the fixing plate (207) and the support plate (208). A sliding plate (210) is slidably connected to the outer wall surface of the slide rod (209).

4. The automatic welding workstation for a door panel water-cutting bracket according to claim 3, characterized in that: The surface of the sliding plate (210) is hinged to two hinge plates (211), one end of which is away from the sliding plate (210) and the vertical strip plate (202) are hinged.

5. The automatic welding workstation for a door panel water-cutting bracket according to claim 3, characterized in that: An electric telescopic rod (212) is fixedly installed on the surface of the support plate (208). The output end of the electric telescopic rod (212) is fixedly connected to the sliding plate (210). A PLC controller (213) is fixedly installed on one side surface of the base (1). The PLC controller (213) and the electric telescopic rod (212) are electrically connected.

6. The automatic welding workstation for a door panel water-cutting bracket according to claim 1, characterized in that: Each of the two clamping positioning plates (204) is provided with a vertical pressing device (3) on one side surface. The vertical pressing device (3) includes a U-shaped frame (31) fixedly installed on one side surface of the clamping positioning plate (204). A threaded rod (32) is rotatably connected between the inner walls of the upper and lower ends of the U-shaped frame (31). A rotating wheel (33) is fixedly installed at one end of the threaded rod (32).

7. The automatic welding workstation for a door panel water-cutting bracket according to claim 6, characterized in that: The inner wall surface of the vertical end of the U-shaped frame (31) is provided with a vertical groove (34), and the outer wall surface of the threaded rod (32) is threaded with a movable plate (35). The movable plate (35) is slidably connected by the threaded rod (32) and the vertical groove (34).

8. The automatic welding workstation for a door panel water-cutting bracket according to claim 7, characterized in that: A short rod (36) is fixedly installed on the bottom surface of the movable plate (35), and a clamping strip (37) is fixedly installed on the end of the short rod (36) away from the movable plate (35).

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