Welding pneumatic clamp of transportation platform support

Abstract

The utility model discloses a welding pneumatic clamp of a transportation platform support, and relates to the technical field of welding pneumatic clamps, the welding pneumatic clamp comprises a welding table, the welding table is connected with a first base and a second base, and the first base is provided with a containing cavity used for being matched with a first connecting plate; the first base and the second base are each provided with a first containing groove used for containing the corresponding connecting pipe, the first base and the second base are each provided with a second containing groove used for containing the corresponding connecting pipe, and the first base and the second base are each connected with a first pressing assembly used for pressing one connecting pipe. The first base and the second base are both connected with a second pressing assembly used for pressing the other connecting pipe. The first transverse plate, the second transverse plate and the vertical plate are limited through the limiting assemblies, the placing stability of the first transverse plate, the second transverse plate and the vertical plate is improved, and welding of the connecting positions between parts is facilitated.

Description

Technical Field

[0001] The present application relates to the technical field of welding pneumatic clamps, and in particular to a welding pneumatic clamp for a transport platform bracket. Background Art

[0002] Combination Figure 1 , Figure 2 and Figure 3 As shown, the bracket 9 to be welded includes a first connecting plate 91, a second connecting plate 92, two connecting tubes 93, a first transverse plate 94, a second transverse plate 95 and a vertical plate 96. The two connecting tubes 93 need to be welded together by the first connecting plate 91 and the second connecting plate 92, and the two connecting tubes 93 are located between the first connecting plate 91 and the second connecting plate 92. The length of the first transverse plate 94 is longer than that of the second transverse plate 95, one side of the first transverse plate 94 is welded to one of the connecting tubes 93, one side of the second transverse plate 95 is welded to the other connecting tube 93, the second transverse plate 95 is higher than the first transverse plate 94, and the first transverse plate 94 and the second transverse plate 95 are welded together through the vertical plate 96. The first transverse plate 94 and the second transverse plate 95 are both fixedly connected with a plurality of positioning blocks 941, the vertical plate 96 is provided with positioning grooves 961 for cooperating with the corresponding positioning blocks 941, the first transverse plate 94 and the second transverse plate 95 are both provided with limiting holes 942, the first transverse plate 94 is provided with a limiting groove 943, and the second transverse plate 95 is relatively connected with a folded edge 951.

[0003] During the welding process of the first connecting plate, the second connecting plate and the two connecting tubes, the first connecting plate is first fixed, one of the connecting tubes is held by one hand so that one end of the connecting tube abuts against one side of the first connecting plate, and then the abutting part of the first connecting plate and the connecting tube is welded by the other hand. Since the hand holding the connecting tube is prone to shaking, the connecting tube is displaced relative to the first connecting plate, and since the various parts are displaced during the welding process due to the shaking of the hand, the welding effect of the bracket is affected, which needs to be improved. Utility Model Content

[0004] The purpose of the present application is to provide a pneumatic welding clamp for a transport platform bracket in order to improve the stability of bracket placement.

[0005] The present application provides a welding pneumatic clamp for a transport platform bracket which adopts the following technical solution: it includes a welding table, wherein the welding table is connected to a first base and a second base, the first base is provided with a accommodating cavity for cooperating with a first connecting plate, the first base and the second base are both provided with a first accommodating groove for placing a connecting tube, the first base and the second base are both provided with a second accommodating groove for placing a connecting tube, the first base and the second base are both connected to a first clamping assembly for pressing one of the connecting tubes, the first base and the second base are both connected to a second clamping assembly for pressing the other connecting tube, the welding table is slidably connected to a sliding seat, the second base is located between the first base and the sliding seat, the sliding seat is connected to a first driving member for driving the sliding seat to slide in a direction close to or away from the second base, and the welding table is connected to a limiting assembly for limiting the movement of the first horizontal plate, the second horizontal plate and the vertical plate, and the limiting assembly is located between the first base and the second base.

[0006] By adopting the above technical solution, the first connecting plate is placed in the accommodating cavity, and the two connecting tubes are placed in the first accommodating groove and the second accommodating groove respectively, so that one end of the two connecting tubes are both in contact with one side of the first connecting plate, and then the two connecting tubes are pressed by the first clamping assembly and the second clamping assembly respectively, thereby improving the stability of the placement of the two connecting tubes; the inner wall of the accommodating cavity and the two connecting tubes limit the movement of the first connecting plate, thereby improving the stability of the placement of the first connecting plate; the second connecting plate is placed on the sliding seat, and the first driving member drives the sliding seat to slide in the direction close to the second base, so that the second connecting plate is clamped by the sliding seat and the two connecting tubes, thereby improving the stability of the placement of the second connecting plate and improving the effect of bracket welding. The first horizontal plate, the second horizontal plate and the vertical plate are limited by the limiting assembly, which improves the stability of the placement of the first horizontal plate, the second horizontal plate and the vertical plate, and facilitates welding of the joints between parts.

[0007] Optionally, the first clamping assembly includes a clamping plate slidably connected to the first base and a second driving member for driving the clamping plate to slide toward or away from the first accommodating groove, and the second driving member is connected to the first base.

[0008] By adopting the above technical solution, the connecting tube is placed in the first receiving groove, and the second driving member drives the clamping plate to slide toward the connecting tube until the connecting tube is clamped by the clamping plate and the inner wall of the first receiving groove, thereby improving the stability of the placement of the connecting tube.

[0009] Optionally, the second clamping assembly includes a clamping block rotatably connected to the first base and a third driving member for driving the clamping block to rotate toward or away from the second accommodating groove, and the third driving member is connected to the first base.

[0010] By adopting the above technical solution, the connecting tube is placed in the second receiving groove, and the third driving member drives the clamping block to rotate, so that one end of the clamping block rotates toward the direction close to the connecting tube until the connecting tube is clamped by the clamping block and the inner wall of the second receiving groove, thereby improving the stability of the placement of the connecting tube.

[0011] Optionally, the limit assembly includes a limit seat connected to the welding table, the limit seat is connected to a limit block for cooperating with the limit groove of the first horizontal plate, the limit seat is connected to a limit column for cooperating with the limit hole of the first horizontal plate, the limit seat is detachably connected to a support column for supporting the second horizontal plate, the limit seat is detachably connected to a support member for supporting the second horizontal plate, and the limit column is located between the support column and the support member.

[0012] By adopting the above technical solution, the first cross plate is placed on the limit seat, the outer surface of the limit column fits with the inner wall of the limit hole of the first cross plate, the outer surface of the limit block fits with the inner wall of the limit groove, the inner wall of the limit groove and the limit column limit the movement of the first cross plate, thereby improving the stability of the placement of the first cross plate, the first cross plate and the second cross plate are connected together by the vertical plate, the second cross plate passes through the limit column, the support column and the support member support the second cross plate, thereby improving the stability of the placement of the second cross plate, and facilitating the welding of the first cross plate and the second cross plate with the corresponding connecting pipes.

[0013] Optionally, the limiting seat is provided with a mounting groove for the supporting column to be snapped into.

[0014] By adopting the above technical solution, the support column is inserted into the installation groove, the outer surface of the support column fits with the inner wall of the installation groove, and the inner wall of the installation groove restricts the movement of the support column, thereby improving the stability of the support column installation.

[0015] Optionally, the support member includes a support block and a locking member bolted to the support block, the support block is provided with a support groove for cooperating with the connecting pipe, and the support block is connected with a protrusion for abutting against the folded edge of the second cross plate.

[0016] By adopting the above technical solution, the support block is fixedly connected to the connecting pipe through the locking piece, the protrusion abuts against the folded edge of the second transverse plate, and the protrusion supports the second transverse plate, thereby improving the stability of the placement of the second transverse plate.

[0017] Optionally, the first base and the second base are both slidably connected to a welding table, and the welding table is connected to two fixing components for fixing the first base and the second base respectively.

[0018] By adopting the above technical solution, the first base and the second base are slidably connected to the welding table, and the distance between the first base and the second base can be adjusted to adapt to connecting pipes of different lengths. The first base and the second base are then fixed by a fixing assembly, thereby improving the stability of the first base and the second base placed on the welding table.

[0019] Optionally, the welding table is connected to a slide rail, and the first base is connected to a slide groove for slidingly cooperating with the slide rail.

[0020] By adopting the above technical solution, when the first base slides along the length direction of the slide rail, the sliding groove cooperates with the slide rail to guide and limit the sliding of the first base, thereby improving the sliding stability of the first base.

[0021] Optionally, the fixing assembly includes a fixing plate connected to the welding table and a fixing column slidably connected to the first base, the first base is provided with a clearance hole for the fixing column to pass through, and the fixing plate is provided with a plurality of fixing grooves for the fixing column to be inserted into.

[0022] By adopting the above technical solution, when the first base slides to the corresponding position, the clearance hole is aligned with one of the fixing slots, one end of the fixing column is passed through the clearance hole and inserted into the fixing slot, and the outer surface of the fixing column fits with the inner wall of the positioning hole. The fixing column limits the sliding of the first base, thereby improving the stability of the placement of the first base.

[0023] Optionally, the welding platform is connected to a support seat, the support seat is located between the first base and the second base, and the support seat is provided with a support groove for the connecting pipe to be inserted.

[0024] By adopting the above technical solution, when installing one of the connecting pipes, the connecting pipe is inserted into the supporting groove, the outer surface of the connecting pipe fits with the inner wall of the supporting groove, and the inner wall of the supporting groove supports the connecting pipe, thereby improving the stability of the placement of the connecting pipe.

[0025] Optionally, the first base, the second base and the sliding seat are all connected to a third clamping assembly for pressing the connecting pipe, and the third clamping assembly includes a clamping column slidingly connected to the first base and a driving structure for driving the clamping column to slide toward or away from the connecting pipe, and the driving structure is connected to the first base.

[0026] By adopting the above technical solution, after the connecting tube is clamped by the first clamping assembly or the second clamping assembly, the driving structure drives the clamping column to slide in the direction close to the connecting tube, so that the clamping column presses the connecting tube, thereby improving the stability of the placement of the connecting tube.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] 1. The first driving member drives the sliding seat to slide in the direction close to the second base, so that the second connecting plate is clamped by the sliding seat and the two connecting pipes, thereby improving the stability of the second connecting plate and improving the effect of bracket welding. The first horizontal plate, the second horizontal plate and the vertical plate are limited by the limiting assembly, which improves the stability of the first horizontal plate, the second horizontal plate and the vertical plate, and facilitates welding of the connection between parts.

[0029] 2. The second driving member drives the clamping plate to slide in a direction close to the connecting pipe until the connecting pipe is clamped by the clamping plate and the inner wall of the first receiving groove, thereby improving the stability of the placement of the connecting pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the bracket.

[0031] Figure 2 It is one of the partial structural schematic diagrams of the bracket, showing the limit groove.

[0032] Figure 3 This is the second schematic diagram of the partial structure of the bracket, showing the positioning block.

[0033] Figure 4 It is one of the overall structural schematic diagrams of the embodiment of the present application, showing the accommodating cavity.

[0034] Figure 5 yes Figure 4 A magnified image of area A.

[0035] Figure 6 This is the second schematic diagram of the overall structure of the embodiment of the present application, showing the second base.

[0036] Figure 7 yes Figure 6 Magnified view of area B.

[0037] Figure 8 It is one of the partial structural schematic diagrams of the embodiment of the present application, showing the limit seat.

[0038] Fig. 9 This is the second partial structural diagram of an embodiment of the present application, showing the installation slot.

[0039] Fig.10This is the third overall structural diagram of the embodiment of the present application, showing the first driving member.

[0040] Fig.11 yes Fig.10 Magnified view of region C.

[0041] Fig.12 This is the third partial structural diagram of an embodiment of the present application, showing a third clamping assembly.

[0042] Explanation of the reference numerals: 1. welding table; 11. slide rail; 12. sliding seat; 13. first driving member; 2. first base; 21. slide groove; 22. clearance hole; 23. accommodating chamber; 24. first accommodating groove; 25. second accommodating groove; 3. second base; 4. fixing assembly; 41. fixing plate; 411. fixing groove; 42. fixing column; 5. first clamping assembly; 51. clamping plate; 52. second driving member; 6. second clamping assembly; 61. clamping block; 62. third driving member; 7. limiting assembly; 71. limiting seat; 711. mounting groove; 72. limiting block; 73. limiting column ;74. Support column;75. Support member;751. Support block;752. Support groove;753. Protrusion;8. Third clamping assembly;81. Clamping column;82. Driving structure;821. Bottom plate;822. Connecting rod;823. Passive rod;8231. Installation area;824. Active rod;83. Threaded rod;9. Bracket;91. First connecting plate;92. Second connecting plate;93. Connecting pipe;94. First horizontal plate;941. Positioning block;942. Limiting hole;943. Limiting groove;95. Second horizontal plate;951. Folding edge;96. Vertical plate;961. Positioning groove. DETAILED DESCRIPTION

[0043] The following is combined with Figure 4 -Attached Fig.12 This application is described in further detail.

[0044] An embodiment of the present application discloses a pneumatic welding clamp for a transport platform bracket.

[0045] Combination Figure 4 and Figure 5 As shown, it includes a welding table 1, the upper surface of the welding table 1 is relatively slidably connected to a first base 2 and a second base 3, the upper surface of the welding table 1 is fixedly connected to four slide rails 11, each two slide rails 11 form a group, and the first base 2 and the second base 3 are both provided with a slide groove 21 for slidingly cooperating with the corresponding slide rails 11.

[0046] Combination Figure 4 and Figure 5As shown, the welding table 1 is connected with two fixing components 4 for fixing the first base 2 and the second base 3 respectively. The fixing components 4 fix the first base 2 and the second base 3 in the same manner, and the manner in which the fixing components 4 fix the first base 2 is now described. The fixing component 4 includes a fixing plate 41 fixedly connected to the upper surface of the welding table 1 and a fixing column 42 slidably connected to the first base 2. The fixing plate 41 is located between the two slide rails 11. The first base 2 is provided with a clearance hole 22 for the fixing column 42 to pass through. The fixing plate 41 is recessed on one side away from the welding table 1 and is provided with a plurality of fixing grooves 411 for the fixing column 42 to be inserted. The plurality of fixing grooves 411 are evenly distributed along the length direction of the fixing plate 41.

[0047] Combination Figure 4 and Figure 5 As shown, the first base 2 is provided with a receiving cavity 23 for cooperating with the first connecting plate 91, the first base 2 and the second base 3 are both provided with a first receiving groove 24 for placing the connecting pipe 93, and the first base 2 and the second base 3 are both provided with a second receiving groove 25 for placing the connecting pipe 93. The first base 2 and the second base 3 are both connected with a first clamping assembly 5, and the first clamping assembly 5 is used to press the connecting pipe 93 placed in the first receiving groove 24. Now, the first clamping assembly 5 connected to the first base 2 is described. The first clamping assembly 5 includes a clamping plate 51 slidably connected to the first base 2 and a second driving member 52 for driving the clamping plate 51 to slide toward or away from the first receiving groove 24. The clamping plate 51 is cylindrical, and the second driving member 52 is a cylinder. The second driving member 52 is externally connected to a controller (not shown in the figure), and the signal output end of the controller is connected to the signal input end of the second driving member 52. The second driving member 52 is fixedly connected to the first base 2, and the side of the clamping plate 51 close to the second driving member 52 is fixedly connected to the output end of the second driving member 52.

[0048] Combination Figure 6 and Figure 7 As shown, the first base 2 and the second base 3 are both connected to a second clamping assembly 6, and the second clamping assembly 6 is used to press the connecting pipe 93 placed in the second receiving groove 25. The second clamping assembly 6 connected to the first base 2 is now described. The second clamping assembly 6 includes a clamping block 61 rotatably connected to the first base 2 and a third driving member 62 for driving one end of the clamping block 61 to rotate toward or away from the second receiving groove 25. The clamping block 61 is L-shaped, and the third driving member 62 is a cylinder. The signal output end of the controller is connected to the signal input end of the third driving member 62. The third driving member 62 is rotatably connected to the first base 2, and one end of the clamping block 61 is rotatably connected to the output end of the third driving member 62.

[0049] Combination Figure 8 , Fig. 9 and Fig.10As shown, the upper surface of the welding platform 1 is connected with a limiting assembly 7 for limiting the movement of the first horizontal plate 94, the second horizontal plate 95 and the vertical plate 96, and the limiting assembly 7 is located between the first base 2 and the second base 3. The limiting assembly 7 includes a limiting seat 71 fixedly connected to the upper surface of the welding platform 1, a limiting block 72 for cooperating with the limiting groove 943 of the first horizontal plate 94 is fixedly connected to the side of the limiting seat 71 away from the welding platform 1, a limiting column 73 for cooperating with the limiting hole 942 of the first horizontal plate 94 and the limiting hole 942 of the second horizontal plate 95 is fixedly connected to the side of the limiting block 72 away from the limiting seat 71, and a supporting column 74 for supporting the second horizontal plate 95 is detachably connected to the limiting seat 71, and a mounting groove 711 for cooperating with the supporting column 74 is provided in the limiting seat 71. The connecting tube 93 away from the welding table 1 is relatively detachably connected with two support members 75 for supporting the second cross plate 95. The limiting column 73 is located between the support column 74 and the support member 75. The support member 75 includes a support block 751. The support block 751 is provided with a support groove 752 for cooperating with the connecting tube 93. The support block 751 is threadedly connected with a locking member for abutting against the connecting tube 93. The locking member is a bolt. The opposite sides of the two support blocks 751 are fixedly connected with a protrusion 753 for abutting against the folded edge 951 of the second cross plate 95.

[0050] Combination Fig.10 and Fig.11 As shown, the welding table 1 is slidably connected to a sliding seat 12, the second base 3 is located between the first base 2 and the sliding seat 12, the sliding seat 12 is also provided with a sliding groove 21 for slidingly cooperating with the slide rail 11, the sliding seat 12 is fixedly connected to a first driving member 13 for driving the sliding seat 12 to slide toward or away from the second base 3, the first driving member 13 is a cylinder, the signal output end of the controller is connected to the signal input end of the first driving member 13, and the output end of the first driving member 13 is fixedly connected to one side of the second base 3.

[0051] Combination Fig.10 , Fig.11 and Fig.12As shown, the first base 2, the second base 3 and the sliding seat 12 are all connected with a third clamping assembly 8 for pressing the connecting tube 93, and the third clamping assembly 8 connected to the first base 2 is now described. The third clamping assembly 8 includes a clamping column 81 slidably connected to the first base 2 and a driving structure 82 for driving the clamping column 81 to slide in a direction close to or away from the welding table 1, and the driving structure 82 includes a bottom plate 821 detachably connected to the first base 2, the bottom plate 821 is connected to the first base 2 by bolts, the bottom plate 821 is rotatably connected to a connecting rod 822 and a passive rod 823, the passive rod 823 is rotatably connected to an active rod 824, and the end of the connecting rod 822 away from the bottom plate 821 is rotatably connected to the active rod 824. The clamping column 81 is detachably connected to the passive rod 823, and a threaded rod 83 is fixedly connected to one side of the clamping column 81. The passive rod 823 is provided with an installation area 8231 for the threaded rod 83 to pass through. The installation area 8231 is a waist-shaped hole. The threaded rod 83 is threadedly connected to two nuts, and the passive rod 823 is located between the two nuts.

[0052] The implementation principle of the pneumatic welding fixture of a transport platform bracket in the embodiment of the present application is:

[0053] The first connecting plate 91 is placed in the accommodating chamber 23, and the outer surface of the first connecting plate 91 is in contact with the inner wall of the accommodating chamber 23; then the two connecting tubes 93 are placed in the first accommodating groove 24 and the second accommodating groove 25 respectively, so that one end of the two connecting tubes 93 abuts against the first connecting plate 91. The controller controls the second driving member 52 to open, and the second driving member 52 drives the clamping plate 51 to slide in the direction close to the first accommodating groove 24, so that the connecting tube 93 placed in the first accommodating groove 24 is clamped by the inner wall of the first accommodating groove 24 and the clamping plate 51, thereby improving the stability of the placement of the connecting tube 93. The controller controls the third driving member 62 to open, and the third driving member 62 drives the clamping block 61 to rotate, so that one end of the clamping block 61 slides in the direction close to the second accommodating groove 25, so that the connecting tube 93 placed in the second accommodating groove 25 is clamped by the inner wall of the second accommodating groove 25 and the clamping block 61, thereby improving the stability of the placement of the connecting tube 93. The connecting tube 93 and the inner wall of the accommodating cavity 23 restrict the movement of the first connecting plate 91, thereby improving the stability of the placement of the first connecting plate 91. The second connecting plate 92 is placed on the sliding seat 12, and the controller controls the first driving member 13 to open, and the first driving member 13 drives the sliding seat 12 to slide in the direction close to the second base 3, so that the second connecting plate 92 abuts against the two connecting tubes 93, and the second connecting plate 92 is clamped by the connecting tube 93 and the sliding seat 12, thereby improving the stability of the placement of the second connecting plate 92 and facilitating welding. First, the first transverse plate 94 and the second transverse plate 95 are preliminarily connected together through the vertical plate 96, and the two support blocks 751 are connected to the connecting pipe 93 through corresponding locking members. The first transverse plate 94 and the second transverse plate 95 both pass through the limiting column 73, and the folded edge 951 of the second transverse plate 95 abuts against the corresponding protrusion 753, and then the support column 74 is inserted into the installation groove 711. The support column 74 and the protrusion 753 support the second transverse plate 95, and the first transverse plate 94 and the second transverse plate 95 respectively abut against the corresponding connecting pipe 93 for easy welding.

[0054] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A pneumatic welding fixture for a transport platform bracket, characterized in that: The invention comprises a welding platform (1), wherein the welding platform (1) is connected to a first base (2) and a second base (3), the first base (2) is provided with a receiving cavity (23) for cooperating with a first connecting plate (91), the first base (2) and the second base (3) are both provided with a first receiving groove (24) for placing a connecting tube (93), the first base (2) and the second base (3) are both provided with a second receiving groove (25) for placing the connecting tube (93), the first base (2) and the second base (3) are both connected to a first pressing assembly (5) for pressing one of the connecting tubes (93), and the first base (2) and the second base (3) are both provided with a first pressing assembly (5) for pressing one of the connecting tubes (93). The first base (2) and the second base (3) are connected to a second pressing assembly (6) for pressing another connecting tube (93); the welding platform (1) is slidably connected to a sliding seat (12); the second base (3) is located between the first base (2) and the sliding seat (12); the sliding seat (12) is connected to a first driving member (13) for driving the sliding seat (12) to slide in a direction close to or away from the second base (3); the welding platform (1) is connected to a limiting assembly (7) for limiting the movement of the first horizontal plate (94), the second horizontal plate (95) and the vertical plate (96); the limiting assembly (7) is located between the first base (2) and the second base (3).

2. The pneumatic welding fixture for the transport platform bracket according to claim 1 is characterized in that: The first clamping assembly (5) comprises a clamping plate (51) slidably connected to the first base (2) and a second driving member (52) for driving the clamping plate (51) to slide in a direction approaching or away from the first receiving groove (24), wherein the second driving member (52) is connected to the first base (2).

3. The pneumatic welding fixture for the transport platform bracket according to claim 1 is characterized in that: The second clamping assembly (6) comprises a clamping block (61) rotatably connected to the first base (2) and a third driving member (62) for driving the clamping block (61) to rotate in a direction approaching or away from the second receiving groove (25), wherein the third driving member (62) is connected to the first base (2).

4. The pneumatic welding fixture for the transport platform bracket according to claim 1 is characterized in that: The limiting assembly (7) comprises a limiting seat (71) connected to the welding table (1); the limiting seat (71) is connected to a limiting block (72) for cooperating with a limiting groove (943) of the first transverse plate (94); the limiting seat (71) is connected to a limiting column (73) for cooperating with a limiting hole (942) of the first transverse plate (94); the limiting seat (71) is detachably connected to a support column (74) for supporting a second transverse plate (95); the limiting seat (71) is detachably connected to a support member (75) for supporting the second transverse plate (95); and the limiting column (73) is located between the support column (74) and the support member (75).

5. The pneumatic welding fixture for the transport platform bracket according to claim 4 is characterized in that: The limiting seat (71) is provided with a mounting groove (711) for the support column (74) to be snapped into.

6. The pneumatic welding fixture for the transport platform bracket according to claim 4 is characterized in that: The support member (75) comprises a support block (751) and a locking member bolted to the support block (751); the support block (751) is provided with a support groove (752) for cooperating with the connecting pipe (93); and the support block (751) is connected with a protrusion (753) for abutting against the folded edge (951) of the second transverse plate (95).

7. The pneumatic welding fixture for the transport platform bracket according to claim 1 is characterized in that: The first base (2) and the second base (3) are both slidably connected to the welding platform (1), and the welding platform (1) is connected to two fixing components (4) for fixing the first base (2) and the second base (3) respectively.

8. The pneumatic welding fixture for the transport platform bracket according to claim 7, characterized in that: The welding table (1) is connected to a slide rail (11), and the first base (2) is connected to a slide groove (21) for slidingly cooperating with the slide rail (11).

9. The pneumatic welding fixture for the transport platform bracket according to claim 7, characterized in that: The fixing assembly (4) comprises a fixing plate (41) connected to the welding table (1) and a fixing column (42) slidably connected to the first base (2), the first base (2) being provided with a clearance hole (22) for the fixing column (42) to pass through, and the fixing plate (41) being provided with a plurality of fixing grooves (411) for the fixing column (42) to be inserted into.

10. The pneumatic welding fixture for the transport platform bracket according to claim 1, characterized in that: The first base (2), the second base (3) and the sliding seat (12) are all connected to a third clamping assembly (8) for pressing the connecting tube (93); the third clamping assembly (8) comprises a clamping column (81) slidably connected to the first base (2) and a driving structure (82) for driving the clamping column (81) to slide in a direction close to or away from the connecting tube (93); the driving structure (82) is connected to the first base (2).

Images