Seat backrest frame welding jig

Abstract

The utility model relates to a seat backrest frame welding jig which comprises a welding bottom plate and a frame to be welded, a plurality of supporting blocks and a supporting clamping plate are further fixedly installed on the welding bottom plate, and the supporting blocks comprise a pair of inclined groove supporting blocks, a pair of short groove supporting blocks, a pair of high groove supporting blocks, a plurality of common supporting blocks and a plurality of side supporting blocks. The seat frame to be welded comprises a pair of long side plates arranged in parallel, a short side plate, a connecting assembly and an end assembly. According to the utility model, each part of the seat backrest frame is designed, and the supporting blocks and the supporting clamping plates with different sizes and types are combined; the supporting blocks comprise a pair of inclined groove supporting blocks, a pair of short groove supporting blocks, a pair of high groove supporting blocks, a plurality of common supporting blocks and a plurality of side supporting blocks. When the seat backrest frame is welded, all parts only need to be embedded into grooves of the supporting blocks of different types. The direction of the U-shaped clamping groove is adjusted through the bolt, and the transverse rod is embedded, so that rapid and full-automatic welding can be carried out.

Description

Technical Field

[0001] The utility model relates to the field of welding jigs, in particular to a welding jig for a seat back frame. Background Art

[0002] When using an automatic welding device such as a robotic arm to weld a multi-component combined structure such as a seat frame or a backrest frame, it is often necessary to first place each component on a welding jig for fixation. However, the existing welding jigs are not only complex in structure but also poor in pertinence, and it is difficult to be applicable to the welding of a seat back frame. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a welding jig for a seat back frame to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A welding jig for a seat back frame, comprising a welding bottom plate and a frame to be welded. A number of support blocks and a support clamping plate are fixedly installed on the welding bottom plate. The support blocks include a pair of inclined groove support blocks, a pair of low groove support blocks, a pair of high groove support blocks, several ordinary support blocks and several side support blocks. The frame to be welded includes a pair of long side plates arranged in parallel, a short side plate, a connecting assembly and an end assembly. The short side plate is arranged at one end of the pair of long side plates, and the end assembly is arranged at the other end of the pair of long side plates. The connecting assembly includes a pair of horizontal hanging ears, a pair of vertical connecting plates and a pair of vertical hanging ears. The two horizontal hanging ears are respectively and symmetrically arranged on the top surfaces of the two long side plates and close to one end of the short side plate. The two vertical hanging ears are respectively and symmetrically arranged on the outer side walls of the two long side plates and close to one end of the end assembly. The two vertical connecting plates are respectively arranged on the two vertical hanging rings. An axle sleeve is respectively arranged on the upper part of the outer side walls of the two vertical connecting plates. A number of ordinary support blocks are fixedly installed at the positions of the long side plates, the short side plate and the vertical hanging ears on the welding bottom plate. The bottom surfaces of the long side plates, the short side plate and the vertical hanging ears are arranged on the top surfaces of the ordinary support blocks. Side support blocks are fixedly installed at the positions of the horizontal hanging ears on the welding bottom plate. The inner side walls of the side support blocks are closely attached to the outer side walls of the horizontal hanging ears. High groove support blocks are fixedly installed at the positions of the vertical connecting plates on the welding bottom plate. The bottom of the axle sleeve is arranged on the top surface of the high groove support block. Inclined groove support blocks, low groove support blocks and support clamping plates are fixedly installed at the positions of the end assembly on the welding bottom plate.

[0005] Preferably, the end assembly includes a pair of inclined rods and a cross bar. One ends of the two inclined rods are respectively butted against the ends of the long side plates far away from the short side plate, and the other ends of the two inclined rods are respectively butted against the two ends of the cross bar.

[0006] Preferably, a chute support block is fixedly installed at the position of the diagonal rod on the welding base plate, a low groove support block is fixedly installed at the position of the cross bar on the welding base plate, and a support clamping plate is fixedly installed at the middle position of the cross bar on the welding base plate.

[0007] Preferably, the bottom surface of the diagonal rod is arranged on the top surface of the chute support block, and the bottom surface of the cross bar is arranged on the top surface of the low groove support block.

[0008] Preferably, the support clamping plate includes a support column and a U-shaped card slot screwed on the top end of the support column, and the middle part of the cross bar is embedded in the U-shaped card slot.

[0009] Preferably, a chute is formed on the top surface of the chute support block, square grooves are formed on the top surfaces of the low groove support block, the high groove support block, and the ordinary support block, and the height ratio of the low groove support block, the high groove support block, and the ordinary support block is 1:3:2.

[0010] The purpose of the present utility model is to overcome the deficiencies of the prior art, and a welding jig for a seat back frame is designed. It is designed for each part of the seat back frame. Through the combination of support blocks and support clamping plates of different sizes and types, the support blocks include a pair of chute support blocks, a pair of low groove support blocks, a pair of high groove support blocks, several ordinary support blocks and several side support blocks. When welding the seat back frame, only need to embed each part into the grooves of various types of support blocks, adjust the direction of the U-shaped card slot by bolts and embed the cross bar, then fast and fully automatic welding can be carried out. This not only ensures the accuracy and stability of welding, but also improves the working efficiency of workers. Description of the Drawings

[0011] Figure 1 is a schematic structural diagram of the present utility model;

[0012] Figure 2 is a schematic structural diagram of the support clamping plate of the present utility model.

[0013] In the figure: 1, welding base plate; 2, chute support block; 3, low groove support block; 4, high groove support block; 5, ordinary support block; 6, side support block; 7, support clamping plate; 8, long side plate; 9, short side plate; 10, horizontal hanging ear; 11, vertical connecting plate; 12, vertical hanging ear; 13, bushing; 14, diagonal rod; 15, cross bar; 16, support column; 17, U-shaped card slot. Detailed Embodiment

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0015] Please refer to Figure 1 、 Figure 2 , a welding jig for a seat back frame, which includes a welding bottom plate 1 and a frame to be welded. A plurality of support blocks and a support clamping plate 7 are fixedly installed on the welding bottom plate 1. The support blocks include a pair of inclined groove support blocks 2, a pair of short groove support blocks 3, a pair of high groove support blocks 4, several ordinary support blocks 5 and several side support blocks 5. The frame to be welded includes a pair of long side plates 8 arranged in parallel, a short side plate 9, a connecting assembly and an end assembly. The short side plate 9 is arranged at one end of the pair of long side plates 8, and the end assembly is arranged at the other end of the pair of long side plates 8. The connecting assembly includes a pair of horizontal hanging ears 10, a pair of vertical connecting plates 11 and a pair of vertical hanging ears 12. The two horizontal hanging ears 10 are respectively and symmetrically arranged on the top surfaces of the two long side plates 8 and close to one end of the short side plate 9. The two vertical hanging ears 12 are respectively and symmetrically arranged on the outer side walls of the two long side plates 8 and close to one end of the end assembly. The two vertical connecting plates 11 are respectively arranged on the two vertical hanging rings. An axle sleeve 13 is respectively arranged on the upper parts of the outer side walls of the two vertical connecting plates 11. A plurality of ordinary support blocks 5 are fixedly installed at the positions of the long side plates 8, the short side plate 9 and the vertical hanging ears 12 on the welding bottom plate 1. The bottom surfaces of the long side plates 8, the short side plate 9 and the vertical hanging ears 12 are all arranged on the top surfaces of the ordinary support blocks 5. Side support blocks 5 are fixedly installed at the positions of the horizontal hanging ears 10 on the welding bottom plate 1. The inner side walls of the side support blocks 5 are closely attached to the outer side walls of the horizontal hanging ears 10. High groove support blocks 4 are fixedly installed at the positions of the vertical connecting plates 11 on the welding bottom plate 1. The bottom of the axle sleeve 13 is arranged on the top surface of the high groove support block 4. Inclined groove support blocks 2, short groove support blocks 3 and support clamping plates 7 are fixedly installed at the positions of the end assembly on the welding bottom plate 1.

[0016] The end assembly includes a pair of inclined rods 14 and a cross bar 15. One ends of the two inclined rods 14 are respectively butted against the ends of the long side plates 8 far from the short side plate 9, and the other ends of the two inclined rods 14 are respectively butted against the two ends of the cross bar 15.

[0017] Inclined groove support blocks 2 are fixedly installed at the positions of the inclined rods 14 on the welding bottom plate 1. Short groove support blocks 3 are fixedly installed at the positions of the cross bar 15 on the welding bottom plate 1. A support clamping plate 7 is fixedly installed at the middle position of the cross bar 15 on the welding bottom plate 1.

[0018] The bottom surface of the diagonal rod 14 is arranged on the top surface of the diagonal groove support block 2, and the bottom surface of the cross rod 15 is arranged on the top surface of the low groove support block 3.

[0019] The supporting clamping plate 7 includes a supporting column 16 and a U-shaped clamping groove 17 screwed to the top end of the supporting column 16. The middle part of the cross rod 15 is embedded in the U-shaped clamping groove 17.

[0020] A diagonal groove is formed on the top surface of the diagonal groove support block 2, and square grooves are formed on the top surfaces of the low groove support block 3, the high groove support block 4, and the ordinary support block 5. The height ratio of the low groove support block 3, the high groove support block 4, and the ordinary support block 5 is 1:3:2.

[0021] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front part", "center", "both ends", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0022] In the present invention, unless otherwise clearly defined and limited, the terms "installation", "setting", "connection", "fixation", "swivel connection", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. It can be the communication inside two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A seat back frame welding jig, comprising a welding base plate and a frame to be welded, characterized in that: The welding bottom plate is also fixedly mounted with a plurality of support blocks and a support clamping plate, the support blocks include a pair of inclined groove support blocks, a pair of short groove support blocks, a pair of high groove support blocks, a plurality of ordinary support blocks and a plurality of side support blocks, the frame to be welded includes a pair of long side plates arranged parallel to each other, a short side plate, a connecting assembly and an end assembly, the short side plate is arranged at one end of a pair of long side plates, the end assembly is arranged at the other end of a pair of long side plates, the connecting assembly includes a pair of horizontal hanging ears, a pair of vertical connecting plates and a pair of vertical hanging ears, the two horizontal hanging ears are respectively and symmetrically arranged on the top surfaces of the two long side plates and close to one end of the short side plates, the two vertical hanging ears are respectively and symmetrically arranged on the outer side walls of the two long side plates and close to one end of the end assembly, and the two The vertical connecting plates are respectively arranged on two vertical hanging rings, and an axle sleeve is also arranged on the upper part of the outer side walls of the two vertical connecting plates. The welding base plate is located at the position of the long side plate, the short side plate and the vertical hanging ear, and a plurality of ordinary support blocks are fixedly installed thereon. The bottom surfaces of the long side plate, the short side plate and the vertical hanging ear are all arranged on the top surface of the ordinary support block. The welding base plate is located at the position of the horizontal hanging ear and is fixedly installed with a side support block. The inner side wall of the side support block is tightly attached to the outer side wall of the horizontal hanging ear. The welding base plate is located at the position of the vertical connecting plate and is fixedly installed with a high groove support block. The bottom of the axle sleeve is arranged on the top surface of the high groove support block. The welding base plate is located at the position of the end component and is fixedly installed with an inclined groove support block, a short groove support block and a support splint.

2. A seat back frame welding jig according to claim 1, characterized in that: The end assembly includes a pair of oblique rods and a cross rod, one end of the two oblique rods is butted against one end of the long side plate away from the short side plate, and the other ends of the two oblique rods are butted against two ends of the cross rod respectively.

3. A seat back frame welding jig according to claim 2, characterized in that: The welding base plate is fixedly installed with an oblique groove support block at the position of the oblique rod, the welding base plate is fixedly installed with a short groove support block at the position of the cross rod, and the welding base plate is fixedly installed with a support clamp at the middle position of the cross rod.

4. A seat back frame welding jig according to claim 3, characterized in that: The bottom surface of the inclined rod is arranged on the top surface of the inclined groove support block, and the bottom surface of the cross rod is arranged on the top surface of the short groove support block.

5. The seat back frame welding jig according to claim 3, characterized in that: The support clamping plate comprises a support column and a U-shaped slot screwed on the top of the support column, and the middle part of the cross bar is embedded in the U-shaped slot.

6. The seat back frame welding jig according to claim 3, characterized in that: The top surface of the inclined groove support block is formed with an inclined groove, and the top surfaces of the short groove support block, the high groove support block and the ordinary support block are all formed with square grooves, and the height ratio of the short groove support block, the high groove support block and the ordinary support block is 1:3:2.

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