Welding equipment for large workpieces

Abstract

The utility model discloses welding equipment for large workpieces. The welding equipment comprises a horizontal cross beam, a stand column, a horizontal sliding seat, a horizontal transverse driving mechanism, a horizontal longitudinal beam, a horizontal sliding frame, a horizontal longitudinal driving mechanism, a welding mechanical arm and an accessory equipment suspension frame. The middle of the horizontal longitudinal beam is connected to the horizontal sliding seat, the welding mechanical arm is connected to the horizontal sliding frame located on the left side of the horizontal cross beam, and the accessory equipment suspension frame used for containing accessory equipment is connected to the right side of the horizontal cross beam, so that the weight of the accessory equipment can basically balance the weight of the welding mechanical arm; the operation stability of the welding mechanical arm on the horizontal cross beam can be improved, and the welding precision is improved.

Description

Technical Field

[0001] The utility model relates to welding equipment, in particular to welding equipment used for large workpieces. Background Art

[0002] When our company was welding the base of a medium-to-large injection molding machine, the length and width of the base of the injection molding machine far exceeded the working range of the existing welding robot arm. Therefore, our company organized technical personnel to modify the existing welding robot arm by setting a sliding seat on the beam and then setting the welding robot arm on the sliding seat. In this way, the welding robot arm can move along the beam and the working range is greatly improved. During the modification process, the following problems were encountered: Because the welding robot arm body is about 150 kilograms and is relatively heavy overall, it is not very stable when running on the horizontal beam. Utility Model Content

[0003] Aiming at the technical problem that the welding robot arm in the prior art mentioned above does not run smoothly on the beam. The technical solution adopted by the utility model to solve the technical problem is: a welding device for large workpieces, including: a horizontal beam, a column, a horizontal sliding seat, a horizontal transverse driving mechanism, a horizontal longitudinal beam, a horizontal slide, a horizontal longitudinal driving mechanism, a welding robot arm and an auxiliary equipment suspension frame, the column is connected to the bottom of the horizontal beam, the horizontal sliding seat is connected to the horizontal beam along the horizontal transverse sliding, the horizontal transverse driving mechanism is arranged on the horizontal sliding seat to drive the horizontal sliding seat to slide on the horizontal beam, the middle part of the horizontal longitudinal beam is connected to the horizontal sliding seat, the horizontal slide is slidably connected to the horizontal longitudinal beam and is located on the left side of the horizontal beam, the horizontal longitudinal driving mechanism is arranged on the horizontal longitudinal beam to drive the horizontal slide to move, the welding robot arm is connected to the horizontal slide, and the auxiliary equipment suspension frame is connected to the horizontal longitudinal beam and is located on the right side of the horizontal beam.

[0004] As described above, a welding device for large workpieces, the accessory equipment hanging frame is provided with a storage space for accommodating the accessory equipment, one side of the accessory equipment hanging frame is provided with an opening for the accessory equipment to enter the storage space, and the accessory equipment hanging frame is provided with a horizontal bar assembly for preventing the accessory equipment from falling out of the opening.

[0005] As described above, a welding device for large workpieces, the horizontal bar assembly includes: two groups of blocks arranged on the auxiliary equipment hanging frame, a baffle bar is arranged horizontally at the opening between the two groups of blocks, and a plurality of bayonet holes are vertically arranged on the block, each of the bayonet holes includes: an entrance communicating with the outside world and a U-shaped positioning hole communicating with the entrance, the baffle bar can enter the U-shaped positioning hole after passing through the entrance, and retaining rings are arranged at both ends of the baffle bar for preventing the baffle bar from falling from between the U-shaped positioning holes of the two groups of blocks.

[0006] As described above, a welding device for large workpieces, the auxiliary equipment hanging frame includes: a base plate, a vertical pole and a hanging rod, the base plate is rectangular, the vertical pole is connected to the base plate along the circumference of the base plate, the hanging rod is connected to the vertical pole along the horizontal direction, and the vertical pole is connected to the horizontal longitudinal beam.

[0007] In the welding equipment for large workpieces as described above, a buffer block is provided on the vertical pole.

[0008] As described above, a welding device for large workpieces, the horizontal lateral drive mechanism includes: a rack arranged on a horizontal beam, a reducer and a drive motor connected to the reducer are provided on the horizontal sliding seat, and the output end of the reducer is provided with a gear meshing with the rack.

[0009] In the welding equipment for large workpieces as described above, the horizontal longitudinal drive mechanism is an electric cylinder arranged on the horizontal longitudinal beam, and one end of the piston rod of the electric cylinder is connected to the horizontal slide.

[0010] As described above, a welding device for large workpieces is provided, wherein a first guide rail is provided on the upper surface of the horizontal beam, a second guide rail is provided on the left side of the horizontal beam, and a third guide rail is provided on the right side of the horizontal beam. The horizontal sliding seat is provided with a first slider that slides with the first guide rail, a second slider that slides with the second guide rail, and a third slider that slides with the third guide rail.

[0011] As described above, a welding device for large workpieces is provided on the horizontal slide with an avoidance space for the horizontal longitudinal beam to pass through, and the horizontal slide comprises a slide plate, two side plates and a base, the slide plate is slidably connected to the upper surface of the horizontal longitudinal beam, the two side plates are connected to both sides of the slide plate, the base is connected between the two side plates, and the welding robot arm is arranged at the bottom of the base.

[0012] The beneficial effects of the utility model are:

[0013] 1. The utility model connects the middle part of the horizontal longitudinal beam to the horizontal sliding seat, and the welding robot arm is connected to the horizontal sliding frame located on the left side of the horizontal beam, and the accessory equipment hanging frame for placing the accessory equipment is connected to the right side of the horizontal beam. The weight of the accessory equipment can basically balance the weight of the welding robot arm, which can improve the stability of the welding robot arm running on the horizontal beam and improve the welding accuracy.

[0014] 2. The crossbar assembly adopts the above structure, which can quickly install the baffle into the U-shaped positioning openings of the two groups of baffles, and can also quickly remove the baffle from the U-shaped positioning openings of the two groups of baffles, which has the advantage of being easy to use.

[0015] 3. By respectively arranging a first slider, a second slider and a third slider which are slidably matched with the horizontal sliding seat on the upper surface, left side and right side of the horizontal beam, the sliding stability between the horizontal sliding seat and the horizontal beam can be improved.

[0016] 4. The horizontal slide can improve the stability between the horizontal slide and the horizontal longitudinal beam.

[0017] The utility model will be further described below in conjunction with the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is one of the structural schematic diagrams of the utility model;

[0019] Figure 2 for Figure 1 An enlarged view of the portion marked A in FIG.

[0020] Figure 3 It is a side view schematic diagram of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the auxiliary equipment suspension frame in the utility model;

[0022] Figure 5 for Figure 4 An enlarged view of the portion B marked in FIG.

[0023] Figure 6 This is the second structural diagram of the utility model;

[0024] Figure 7 for Figure 6 Magnified view of section C marked in FIG. DETAILED DESCRIPTION

[0025] The implementation modes of the present utility model are described in detail below in conjunction with the accompanying drawings.

[0026] like Figures 1 to 7As shown, a welding device for large workpieces in this embodiment includes: a horizontal beam 1, a column 11, a horizontal sliding seat 2, a horizontal transverse driving mechanism 3, a horizontal longitudinal beam 4, a horizontal slide 5, a horizontal longitudinal driving mechanism 6, a welding robot arm 7 and an auxiliary equipment suspension frame 8, the column 11 is connected to the bottom of the horizontal beam 1, the horizontal sliding seat 2 is connected to the horizontal beam 1 along the horizontal transverse sliding, the horizontal transverse driving mechanism 3 is arranged on the horizontal sliding seat 2 to drive the horizontal sliding seat 2 to slide on the horizontal beam 1, the middle part of the horizontal longitudinal beam 4 is connected to the horizontal sliding seat 2, the horizontal slide 5 is slidably connected to the horizontal longitudinal beam 4 and is located on the left side of the horizontal beam 1, the horizontal longitudinal driving mechanism 6 is arranged on the horizontal longitudinal beam 4 to drive the horizontal slide 5 to move, the welding robot arm 7 is connected to the horizontal slide 5, and the auxiliary equipment suspension frame 8 is connected to the horizontal longitudinal beam 4 and is located on the right side of the horizontal beam 1. The utility model connects the middle part of the horizontal longitudinal beam to the horizontal sliding seat, and the welding robot arm is connected to the horizontal sliding frame located on the left side of the horizontal beam, and the auxiliary equipment hanging frame for placing the auxiliary equipment is connected to the right side of the horizontal beam. The weight of the auxiliary equipment can basically balance the weight of the welding robot arm, which can improve the stability of the welding robot arm running on the horizontal beam and improve the welding accuracy.

[0027] In this embodiment, the auxiliary equipment includes but is not limited to: a control box, a welding machine, a welding wire barrel, etc.

[0028] In this embodiment, in order to facilitate the easy placement of the accessory equipment into the accessory equipment hanging rack 8, the accessory equipment hanging rack 8 is provided with a accommodating space 801 for accommodating the accessory equipment 800, and one side of the accessory equipment hanging rack 8 is provided with an opening 802 for allowing the accessory equipment 800 to enter the accommodating space 801, and the accessory equipment hanging rack 8 is provided with a horizontal bar assembly 81 for preventing the accessory equipment 800 from falling out of the opening 802. The horizontal bar assembly 81 comprises: two groups of stoppers 811 arranged on the auxiliary equipment hanging frame 8, a stopper bar 812 arranged horizontally at the opening 802 between the two groups of stoppers 811, a plurality of bayonet holes 8110 arranged vertically on the stoppers 811, each bayonet hole 8110 comprising: an entrance 81101 communicating with the outside and a U-shaped positioning hole 81102 communicating with the entrance 81101, the stopper bar 812 can enter the U-shaped positioning hole 81102 after passing through the entrance 81101, and retaining rings 8121 are arranged at both ends of the stopper bar 812 for preventing the stopper bar 812 from falling between the U-shaped positioning holes 81102 of the two groups of stoppers 811. The horizontal bar assembly 81 adopts the above structure, and the stopper bar 812 can be quickly installed between the U-shaped positioning holes of the two groups of stoppers, and the stopper bar can also be quickly removed from between the U-shaped positioning holes of the two groups of stoppers, which has the advantage of being easy to use.

[0029] In this embodiment, the auxiliary equipment hanging frame 8 includes: a base plate 82, a vertical pole 83 and a hanging rod 84, the base plate 82 is rectangular, the vertical pole 83 is connected to the base plate 82 along the circumference of the base plate 82, the hanging rod 84 is connected to the vertical pole 83 along the horizontal direction, and the vertical pole 83 is connected to the horizontal longitudinal beam 4.

[0030] In order to provide a buffer between the auxiliary equipment and the vertical pole, a buffer pad is provided on the vertical pole 83 .

[0031] In this embodiment, the horizontal lateral driving mechanism 3 comprises: a rack 31 arranged on the horizontal beam 1, a reducer 32 and a driving motor 33 connected to the reducer 32 are arranged on the horizontal sliding seat 2, and a gear meshing with the rack 31 is arranged at the output end of the reducer 32. The driving motor 33 drives the gear to rotate, thereby driving the horizontal sliding seat to slide.

[0032] In this embodiment, the horizontal longitudinal driving mechanism 6 is an electric cylinder arranged on the horizontal longitudinal beam 4, one end of the piston rod of the electric cylinder is connected to the horizontal slide 5, and the electric cylinder has the advantages of high power and convenient position adjustment.

[0033] In this embodiment, in order to ensure the stability of sliding between the horizontal sliding seat and the horizontal beam, a first guide rail 21 is provided on the upper surface of the horizontal beam 1, a second guide rail 22 is provided on the left side of the horizontal beam 1, and a third guide rail 23 is provided on the right side of the horizontal beam 1. The horizontal sliding seat 2 is provided with a first slider 24 that slides with the first guide rail 21, a second slider 25 that slides with the second guide rail 22, and a third slider 26 that slides with the third guide rail 23. By respectively providing the first slider, the second slider, and the third slider that slide with the horizontal sliding seat on the upper surface, the left side, and the right side of the horizontal beam 1, the stability of sliding between the horizontal sliding seat and the horizontal beam can be improved.

[0034] In this embodiment, the horizontal slide 5 is provided with an avoidance space for the horizontal longitudinal beam 4 to pass through. The horizontal slide 5 includes a slide plate 51, two side plates 52 and a base 53. The slide plate 51 is slidably connected to the upper surface of the horizontal longitudinal beam 4, the two side plates 52 are connected to both sides of the slide plate 51, the base 53 is connected between the two side plates 52, and the welding robot arm 7 is arranged at the bottom of the base 53. The horizontal slide adopts the above structure to improve the stability between the horizontal slide and the horizontal longitudinal beam.

[0035] The above examples are only used to further illustrate the technical content of the utility model, so that readers can understand it more easily, but it does not mean that the implementation methods of the utility model are limited to this. Any technical extension or re-creation made based on the utility model is protected by the utility model. The protection scope of the utility model shall be based on the claims.

Claims

1. A welding device for large workpieces, characterized in that: include: A horizontal beam (1), a column (11), a horizontal sliding seat (2), a horizontal transverse driving mechanism (3), a horizontal longitudinal beam (4), a horizontal slide (5), a horizontal longitudinal driving mechanism (6), a welding robot arm (7) and an auxiliary equipment hanging frame (8), wherein the column (11) is connected to the bottom of the horizontal beam (1), the horizontal sliding seat (2) is connected to the horizontal beam (1) along a horizontal transverse sliding direction, and the horizontal transverse driving mechanism (3) is arranged on the horizontal sliding seat (2) to drive the horizontal sliding seat (2) Sliding on the horizontal crossbeam (1), the middle part of the horizontal longitudinal beam (4) is connected to the horizontal sliding seat (2), the horizontal slide (5) is slidably connected to the horizontal longitudinal beam (4) and is located on the left side of the horizontal crossbeam (1), the horizontal longitudinal driving mechanism (6) is arranged on the horizontal longitudinal beam (4) to drive the horizontal slide (5) to move, the welding robot arm (7) is connected to the horizontal slide (5), and the auxiliary equipment suspension frame (8) is connected to the horizontal longitudinal beam (4) and is located on the right side of the horizontal crossbeam (1).

2. A welding device for large workpieces according to claim 1, characterized in that: The accessory equipment hanging frame (8) is provided with a receiving space (801) for receiving the accessory equipment (800); one side of the accessory equipment hanging frame (8) is provided with an opening (802) for allowing the accessory equipment (800) to enter the receiving space (801); and the accessory equipment hanging frame (8) is provided with a horizontal bar assembly (81) for preventing the accessory equipment (800) from falling out of the opening (802).

3. A welding device for large workpieces according to claim 2, characterized in that: The horizontal bar assembly (81) comprises: two groups of stoppers (811) arranged on the auxiliary equipment hanging frame (8); a stopper bar (812) arranged horizontally at the opening (802) between the two groups of stoppers (811); a plurality of bayonet holes (8110) arranged vertically on the stoppers (811); each bayonet hole (8110) comprises: an entrance (81101) communicating with the outside and a U-shaped positioning hole (81102) communicating with the entrance (81101); the stopper bar (812) can enter the U-shaped positioning hole (81102) after passing through the entrance (81101); and retaining rings (8121) are arranged at both ends of the stopper bar (812) for preventing the stopper bar (812) from falling off between the U-shaped positioning holes (81102) of the two groups of stoppers (811).

4. A welding device for large workpieces according to claim 2, characterized in that: The auxiliary equipment hanging frame (8) comprises: a base plate (82), a vertical rod (83) and a hanging rod (84); the base plate (82) is rectangular; the vertical rod (83) is connected to the base plate (82) along the circumference of the base plate (82); the hanging rod (84) is connected to the vertical rod (83) along the horizontal direction; and the vertical rod (83) is connected to the horizontal longitudinal beam (4).

5. A welding device for large workpieces according to claim 4, characterized in that: The vertical pole (83) is provided with a buffer block.

6. A welding device for large workpieces according to claim 1, characterized in that: The horizontal lateral drive mechanism (3) comprises: a rack (31) arranged on a horizontal beam (1); a reducer (32) and a drive motor (33) connected to the reducer (32) are arranged on the horizontal sliding seat (2); and a gear meshing with the rack (31) is arranged at the output end of the reducer (32).

7. A welding device for large workpieces according to claim 1, characterized in that: The horizontal longitudinal drive mechanism (6) is an electric cylinder arranged on the horizontal longitudinal beam (4), and one end of the piston rod of the electric cylinder is connected to the horizontal slide (5).

8. The welding equipment for large workpieces according to claim 1, characterized in that: The upper surface of the horizontal beam (1) is provided with a first guide rail (21), the left side of the horizontal beam (1) is provided with a second guide rail (22), and the right side of the horizontal beam (1) is provided with a third guide rail (23); the horizontal sliding seat (2) is provided with a first slider (24) slidably matched with the first guide rail (21), a second slider (25) slidably matched with the second guide rail (22), and a third slider (26) slidably matched with the third guide rail (23).

9. A welding device for large workpieces according to claim 1, characterized in that: The horizontal slide (5) is provided with an escape space for the horizontal longitudinal beam (4) to pass through. The horizontal slide (5) comprises a slide plate (51), two side plates (52) and a base (53). The slide plate (51) is slidably connected to the upper surface of the horizontal longitudinal beam (4), the two side plates (52) are connected to both sides of the slide plate (51), the base (53) is connected between the two side plates (52), and the welding robot arm (7) is arranged at the bottom of the base (53).

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