Robot automatic welding table leg adjustable clamping device

Abstract

The utility model provides an adjustable clamping device for automatically welding table legs through a robot. The adjustable clamping device comprises a first clamping groove, a second clamping groove, a first clamping plate and a second clamping plate, the fixing plate is used for fixing the clamping grooves, a sliding groove is formed in the upper end of the fixing plate, the first clamping groove is fixedly connected to the bottom end of the supporting plate, and the second clamping groove is formed in the sliding groove; the first supporting plate and the second supporting plate are used for supporting the other table leg, and a sliding block is fixedly connected to the lower portion of the second supporting plate; the locking devices are used for locking the table legs, and sliding blocks are fixedly connected to the lower portions of the locking devices; the lifting assembly is arranged in front of the fixing plate and installed on the workbench, a lifting plate is arranged above the lifting assembly, a sliding rail is fixedly arranged on the lifting plate, the first supporting plate is fixedly connected with the sliding rail, and the second supporting plate and the locking device are connected with the sliding rail through a sliding block and a sliding block in a sliding mode. According to the table leg welding tool, the position of the second clamping groove is adjusted to be matched with the lifting assembly, and the problem that when table legs with different lengths are welded, a new tool needs to be replaced, and the welding efficiency is reduced is solved.

Description

Technical Field

[0001] The present application relates to the technical field of table leg welding tooling, and more specifically, to an adjustable clamping device for robot automatic welding of table legs. Background Art

[0002] Table legs are used to support the tabletop. Most table legs are made of metal and need to be welded during the processing of metal table legs. According to different customer needs, table legs of different lengths need to be welded. However, when using the tooling fixture for welding table legs with robots in the prior art, new tooling needs to be replaced when welding table legs of different lengths, which reduces the welding efficiency and is inconvenient for the operator to operate. If there is a problem with the locking device or the supporting component in the clamping device, it is not convenient to repair or replace, thus affecting the welding efficiency. Utility Model Content

[0003] The utility model provides an adjustable clamping device for robot automatic welding of table legs, which solves the problem of reduced welding efficiency and inconvenient operation caused by the need to replace new tooling when welding table legs of different lengths by adjusting the position of the second clamping slot and cooperating with the lifting component.

[0004] The utility model is realized through the following technical solutions.

[0005] A robot automatic welding table leg adjustable clamping device comprises: a first card slot and a second card slot for fixing the table leg; a fixing plate for fixing the card slot, the fixing plate is fixed on a workbench, a slide groove is arranged on the upper end of the fixing plate, the card slot one is fixedly connected to the bottom end of the support plate, and the card slot two is installed in the slide groove;

[0006] Support plate 1 and support plate 2 are used to support the other table leg, the grooves on the upper ends of support plate 1 and support plate 2 are embedded in the table legs through clearance fit, and a slider 1 is fixedly connected under support plate 2; a locking device for locking the table legs, and a slider 2 is fixedly connected under the locking device; a lifting assembly is arranged in front of the fixed plate and installed on the workbench, a lifting plate is arranged above the lifting assembly, the lifting rod of the lifting assembly is connected to the lifting plate by bolts, a slide rail is fixedly arranged on the lifting plate, support plate 1 is fixedly connected to the slide rail, support plate 2 and the locking device are slidably connected to the slide rail through slider 1 and slider 2.

[0007] Adjust the position of the second slot in the slide slot according to the different lengths of the table legs, place the other table leg in the grooves on the support plates one and two, control the lifting assembly to move the lifting plate to move the table leg to a suitable welding position, clamp the two table legs through the locking device, and then weld them through the welding robot; when welding different table legs, there is no need to replace new tooling, which improves the welding efficiency.

[0008] In a further technical solution, in order to facilitate the control of the movement of the lifting plate, the lifting assembly includes: a rotating shaft, both ends of the rotating shaft extend to the outside of the shell of the lifting assembly and are connected to the shell of the lifting assembly through bearings, a gear is fixedly connected to the rotating shaft, and a knob is fixedly connected to the other end of the rotating shaft. The rack is meshed with the gear to achieve lifting and lowering, one end of the rack is connected to the lifting plate by bolts, and two groups of gears and racks are provided, which are respectively arranged at both ends of the rotating shaft; bolts are used to prevent the gears from rotating, and the bolts are arranged on the shell of the lifting assembly.

[0009] The up and down movement of the lifting plate is controlled by the cooperation of the gear and the rack. When it moves to the appropriate position, the bolts are tightened to prevent the rack from sliding down due to the rotation of the gravity gear.

[0010] Furthermore, in order to increase the strength of the fixing plate, a reinforcing plate is provided behind the fixing plate, and the reinforcing plate is fixedly connected to the fixing plate. Because the fixing plate will be subjected to the force of the locking device, the reinforcing plate is used to ensure the strength of the fixing plate.

[0011] Furthermore, in order to ensure that the lifting plate is stable during lifting, guide rods are arranged above the lifting assembly. The guide rods are arranged at the four corners of the lifting assembly and are fixedly connected to the housing of the lifting assembly.

[0012] Furthermore, in order to facilitate maintenance of the lifting assembly in the clamping device, a thread is provided on the top of each guide rod, a threaded hole is provided at the center of the limit plate, the limit plate is connected to the guide rod by threads, and a limit plate is provided on each guide rod.

[0013] Furthermore, in order to prevent the locking device from failing to lock the table leg due to reaction force, a locking bolt is provided on the slider, and an anti-slip rubber pad is provided at the bottom end of the locking bolt.

[0014] The technical effects of the utility model are:

[0015] The present application can place table legs of different lengths by adjusting the position of the second card slot, and the other table leg can also be placed at different lengths by adjusting the position of the second support plate and the locking device. The welding position can be adjusted by the lifting assembly. After the appropriate welding position is adjusted, automatic welding is performed by the welding robot. In this way, during the welding process, table legs of different lengths can be welded according to the different needs of customers without replacing the tooling, only the tooling needs to be adjusted, thereby improving the welding efficiency; when problems occur with the card slot, the second support plate, and the locking device, only some parts need to be replaced, which is convenient for maintenance and replacement of parts. The limit plate is connected to the guide rod by threads, and when problems occur with the lifting assembly, it is convenient to disassemble the lifting plate and repair the lifting assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the overall structure diagram of the utility model;

[0017] Figure 2 This is a structural diagram of the clamping assembly of the utility model;

[0018] Figure 3 It is a partial enlarged view of A of the utility model;

[0019] Figure 4 It is a partial enlarged view of B of the utility model;

[0020] Figure 5 This is the internal structure diagram of the lifting component of the utility model;

[0021] Figure 6 This is a diagram of the lifting assembly of the utility model being raised;

[0022] In the figure: 1. Slot 1; 2. Slot 2; 3. Fixed plate; 4. Slide slot; 5. Support plate 1; 6. Support plate 2; 7. Locking device; 8. Lifting assembly; 801. Rotating shaft; 802. Gear; 803. Knob; 804. Rack; 805. Bolt; 9. Lifting plate; 10. Slide rail; 11. Slider 1; 12. Slider 2; 13. Reinforcement plate; 14. Guide rod; 15. Limiting plate; 16. Locking bolt; 17. Anti-slip rubber pad; 18. Workbench; 19. Table leg 1; 20. Table leg 2; 21. Welding robot. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for use in the description of the embodiment will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work. Example

[0024] Combination Figures 1 to 3The utility model discloses an adjustable clamping device for robot automatic welding table legs, comprising: a card slot 1 and a card slot 2 for fixing the table legs; a fixing plate 3 for fixing the card slot, the fixing plate 3 is fixed on the workbench 18, a slide groove 4 is arranged on the upper end of the fixing plate 3, the card slot 1 is fixedly connected to the bottom end of the support plate 3, and the card slot 2 2 is installed in the slide groove 4; a support plate 1 5 and a support plate 2 6 for supporting another table leg, the grooves at the upper ends of the support plate 1 5 and the support plate 2 6 are embedded in the table legs through a clearance fit, and a slider 11 is fixedly connected to the lower part of the support plate 2 6; ... The locking device 7 of the table leg has a slider 2 12 fixedly connected to the bottom of the locking device 7; the lifting assembly 8 is arranged in front of the fixed plate 3 and installed on the workbench 19, a lifting plate 9 is arranged above the lifting assembly 8, the lifting rod of the lifting assembly 8 is connected to the lifting plate 9 by bolts, a slide rail 10 is fixedly arranged on the lifting plate 9, the support plate 1 5 is fixedly connected to the slide rail 10, the support plate 2 6 and the locking device 7 are slidably connected to the slide rail 10 through the slider 1 11 and the slider 2 12, a locking bolt 16 is arranged on the slider 12, and an anti-slip rubber pad 17 is arranged at the bottom end of the locking bolt 16.

[0025] During the implementation process, the position of the slot 2 is adjusted in the slide 4 according to the length of the table leg 19, and the slot 2 is moved to one end of the table leg 19 to clamp the main table leg 19. The slot 1 and the slot 2 are respectively clamped at the two ends of the table leg 19. After moving to the appropriate position, the bolts on the slot 2 are tightened, and the bolts are pressed against the two sides of the slide 4 to prevent the slot 2 from sliding down. Then the table leg 20 is placed on the support plate 15 and the support plate 26, and the slider 11 is used to slide on the slide rail 10, so that the support plate 26 is moved, and the support plate 26 is moved to the end of the table leg 20. The support plate 15 and the support plate 26 are respectively supported at the two ends of the table leg 20, and the bolts on the slider 11 are tightened. The bolts are pressed against the slide rail 10 to prevent the support plate 26 from sliding on the slide rail 10. The lifting plate 9 is controlled to move up and down through the lifting assembly 8, thereby controlling the table leg 20 to move up and down. Move, adjust the table leg 20 to a suitable welding position, then cooperate with the slide rail 10 through the slider 2 12 to adjust the position of the locking device 7, adjust it to a suitable position and fix it on the slide rail 10 through the locking bolt 17, lock the locking device 7, and hold the table leg 19 and the table leg 2 20; because the locking device 7 will be subjected to a reaction force after being locked, the bottom end of the bolt 16 is provided with an anti-slip rubber pad 17 in contact with the slide rail 10 to increase the friction force and prevent the locking device 7 from moving on the slide rail due to the reaction force; then set the parameters of the welding robot 21 to perform automatic welding, if the length of the table leg to be welded changes, there is no need to replace a new tooling, only need to readjust it, thereby improving the welding efficiency; when a component of the slot 2, the support plate 2 6, or the locking device 7 is damaged, only the component needs to be replaced, which is convenient for repairing the clamping device. Example

[0026] Combination Figure 5 and Figure 6 The lifting component 8 includes: a rotating shaft 801, both ends of the rotating shaft 801 extend to the outside of the shell of the lifting component 8 and are connected to the shell of the lifting component 8 through bearings, a gear 802 is fixedly connected to the rotating shaft 801, and a knob 803 is fixedly connected to the other end of the rotating shaft 801. A rack 804 meshes with the gear 802 to achieve lifting, and one end of the rack 804 is connected to the lifting plate 9 by bolts. Two groups of gears 802 and racks 804 are provided, which are respectively arranged at both ends of the rotating shaft 801; bolts 805 are used to prevent the gear 802 from rotating, and the bolts 805 are arranged on the shell of the lifting component 8.

[0027] During the implementation process, the knob 803 is rotated to control the gear 802 to mesh with the rack 804. During the meshing process, the rack 804 moves up and down. The rack 804 is connected to the lifting plate 9 by bolts, thereby driving the lifting plate 9 to move up and down. When no adjustment is required, the bolt 805 is tightened. The bolt 805 is against the surface of the gear 802 to prevent the lifting plate 9 from falling due to the rotation of the gear 802 due to gravity. There are two groups of gears 802 and racks 804, which are respectively arranged at both ends of the rotating shaft 801 to ensure balance during the lifting process. Example

[0028] Combination Figure 4 A guide rod 14 is arranged above the lifting component 8. The guide rod 14 is arranged at the four corners of the lifting component 8 and is fixedly connected to the outer shell of the lifting component 8. A thread is arranged above each guide rod 14. A threaded hole is arranged at the center of the limit plate 15. The limit plate 15 is connected to the guide rod 14 through threads, and a limit plate 15 is arranged on each guide rod 14.

[0029] During the implementation process, the guide rod 14 is set at the four corners of the lifting component 8 and is fixedly connected to the outer shell of the lifting component 8. The guide rod 14 can ensure that the lifting component remains stable during the lifting and lowering process; the limit plate 15 is connected to the guide rod 14 by a thread. In order to be able to repair the lifting component 8 when there is a problem with the lifting component 8, you only need to unscrew the limit plate 15 to repair the lifting component 8, which makes it easy to repair the clamping device when there is a problem.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. An adjustable clamping device for robot automatic welding table legs, characterized in that: include: A first card slot (1) and a second card slot (2) for fixing the table legs; a fixing plate (3) for fixing the card slots, the fixing plate (3) being fixed on the workbench (18), a slide groove (4) being arranged at the upper end of the fixing plate (3), the first card slot (1) being fixedly connected to the lower end of the fixing plate (3), and the second card slot (2) being installed in the slide groove (4); A support plate 1 (5) and a support plate 2 (6) are used to support the other table leg, the grooves at the upper ends of the support plate 1 (5) and the support plate 2 (6) are embedded in the table leg by clearance fit, and a slider 1 (11) is fixedly connected to the lower part of the support plate 2 (6); a locking device (7) is used to lock the table leg, and a slider 2 (12) is fixedly connected to the lower part of the locking device (7); a lifting assembly (8) is arranged in front of the fixed plate (3) and installed on the workbench (18), a lifting plate (9) is arranged above the lifting assembly (8), a lifting rod of the lifting assembly (8) is connected to the lifting plate (9) by bolts, and a slide rail (10) is fixedly arranged on the lifting plate (9), the support plate 1 (5) is fixedly connected to the slide rail (10), and the support plate 2 (6) and the locking device (7) are slidably connected to the slide rail (10) by the slider 1 (11) and the slider 2 (12).

2. The adjustable clamping device for automatic table leg welding by a robot according to claim 1 is characterized in that: The lifting assembly (8) comprises: a rotating shaft (801), both ends of the rotating shaft (801) extending to the outside of a housing of the lifting assembly (8) and connected to the housing of the lifting assembly (8) via bearings; a gear (802) fixedly connected to the rotating shaft (801); a knob (803) fixedly connected to the other end of the rotating shaft (801); a rack (804) meshing with the gear (802) to achieve lifting; one end of the rack (804) being connected to a lifting plate (9) via bolts; two groups of gears (802) and racks (804) being respectively arranged at both ends of the rotating shaft (801); and a bolt (805) for preventing the gear (802) from rotating; the bolt (805) being arranged on the housing of the lifting assembly (8).

3. The adjustable clamping device for automatic table leg welding by a robot according to claim 1 is characterized in that: A reinforcing plate (13) is provided behind the fixing plate (3), and the reinforcing plate (13) is fixedly connected to the fixing plate (3).

4. The adjustable clamping device for automatic table leg welding by a robot according to claim 2 is characterized in that: A guide rod (14) is arranged above the lifting assembly (8); the guide rod (14) is arranged at four corners of the lifting assembly (8) and is fixedly connected to the outer shell of the lifting assembly (8).

5. The adjustable clamping device for automatic table leg welding by a robot according to claim 4 is characterized in that: The guide rods (14) are each provided with a thread on their upper sides. A limit plate (15) is provided on each guide rod (14). A threaded hole is provided at the center of the limit plate (15). The guide rods (14) and the limit plate (15) are connected with each other via threads.

6. The adjustable clamping device for automatic table leg welding by a robot according to claim 1, characterized in that: The second sliding block (12) is provided with a locking bolt (16), and the bottom end of the locking bolt (16) is provided with an anti-slip rubber pad (17).

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