Welding working platform

Abstract

The invention provides a welding working platform. The welding working platform comprises a supporting frame; the welding platform is arranged on the supporting frame and used for placing a to-be-welded part; and the positioning assembly is arranged on the supporting frame, a positioning space used for positioning the to-be-welded part is defined by the positioning assembly, and at least part of the positioning assembly is movably arranged so as to adjust the size of the positioning space. The welding working platform solves the problems that in the prior art, due to the fact that a welding working platform is single in function, preparation work before welding is much, and time is long.

Description

Technical Field

[0001] The invention relates to the technical field of welding tooling, and in particular to a welding work platform. Background Art

[0002] The products in the field of intelligent equipment are of various types and complex structures, and self-made parts also account for a large proportion. Among them, most of the sheet metal parts and processed parts require welding, which requires a large workload and high work intensity.

[0003] At present, the workbench used for welding is a cast iron platform, which only serves to place the workpiece and cannot assist the welder to complete other tasks. If other tasks are required, the welder must first make a positioning tool that meets the size. The welder not only needs to use various tools to assist, but also needs to constantly use a ruler for positioning, measurement, calibration, etc. There is a lot of preparation work before welding, which takes a long time, the process is cumbersome, and the efficiency is not high. Summary of the invention

[0004] The main purpose of the present invention is to provide a welding work platform to solve the problem that the welding work platform in the prior art has a single function, resulting in a lot of preparation work before welding and a long time.

[0005] In order to achieve the above-mentioned objectives, the present invention provides a welding work platform, including: a support frame; a welding platform, which is arranged on the support frame and is used to place the parts to be welded; a positioning assembly, which is arranged on the support frame, and the positioning assembly encloses a positioning space for positioning the parts to be welded, and at least a part of the positioning assembly is movably arranged to adjust the size of the positioning space.

[0006] Furthermore, the positioning assembly includes a first slide rail, a second slide rail, a first positioning rod, a second positioning rod, a first sliding sleeve and a second sliding sleeve, and the first slide rail, the second slide rail, the first positioning rod and the second positioning rod together form a positioning space; the first slide rail and the second slide rail are arranged in parallel and both extend along the first preset direction, and the first positioning rod and the second positioning rod are arranged in parallel and both extend along the second preset direction; one end of the first positioning rod is slidably connected to the first slide rail to slide along the extension direction of the first slide rail, the first positioning rod is inserted in the first sliding sleeve, and the first sliding sleeve is slidably connected to the second slide rail to slide along the extension direction of the second slide rail; one end of the second positioning rod is slidably connected to the first slide rail to slide along the extension direction of the first slide rail, the second positioning rod is inserted in the second sliding sleeve, and the second sliding sleeve is slidably connected to the second slide rail to slide along the extension direction of the second slide rail; the first slide rail is movably arranged along the second preset direction to move toward or away from the second slide rail; wherein the first preset direction and the second preset direction are arranged perpendicularly.

[0007] Furthermore, the welding work platform also includes a ruler having scales, and the first positioning rod and the second positioning rod are both provided with the ruler.

[0008] Furthermore, the welding work platform includes a driving member and a first transmission assembly, and the driving member is connected to the first slide rail through the first transmission assembly to drive the first slide rail to move along the second preset direction.

[0009] Furthermore, the first transmission assembly includes a transmission rod, a first sprocket, a second sprocket, a first transmission chain, and a second transmission chain. The driving member is connected to the transmission rod to drive the transmission rod to rotate; the first sprocket and the second sprocket are respectively arranged at both ends of the transmission rod; the first transmission chain is sleeved on the first sprocket, and the second transmission chain is sleeved on the second sprocket; one end of the first slide rail is fixedly connected to the first transmission chain, and the other end of the first slide rail is fixedly connected to the second transmission chain.

[0010] Furthermore, the first transmission component also includes a first connecting block and a second connecting block, one end of the first slide rail is fixedly connected to the first transmission chain through the first connecting block; the other end of the first slide rail is fixedly connected to the second transmission chain through the second connecting block; and / or, the first transmission component also includes a first mounting seat, a second mounting seat, a third sprocket and a fourth sprocket; the first mounting seat and the second mounting seat are both arranged on the support frame, and the third sprocket and the fourth sprocket are rotatably arranged on the first mounting seat and the second mounting seat respectively; the first transmission chain is sleeved on the third sprocket, and the second transmission chain is sleeved on the fourth sprocket; and / or, the first transmission component also includes a driving wheel and a passive wheel, the output end of the driving member is drivingly connected to the driving wheel to drive the driving wheel to rotate; the driving wheel is meshed with the passive wheel, and the passive wheel is fixedly connected to the transmission rod.

[0011] Furthermore, a plurality of first fixing grooves and a plurality of second fixing grooves are arranged on the welding platform, and the plurality of first fixing grooves all extend along the first preset direction and are arranged at intervals along the second preset direction; the plurality of second fixing grooves all extend along the second preset direction and are arranged at intervals along the first preset direction; wherein the first preset direction is arranged perpendicular to the second preset direction.

[0012] Furthermore, the welding work platform also includes: a clamp, including a base and a clamping jaw assembly arranged on the base, the base is installed on the welding platform, and the clamping jaw assembly is used to clamp the workpiece to be welded.

[0013] Furthermore, the clamp assembly includes a first clamp and a second clamp, and the first clamp and the second clamp can be arranged to move toward or away from each other; the clamp also includes a mounting frame, a third slide rail, a first slider, and a second slider, the mounting frame is fixedly mounted on the base, the third slide rail is fixedly mounted on the mounting frame, and a slide groove is provided on the third slide rail; the first clamp is fixedly connected to the first slider, and the second clamp is fixedly connected to the second slider, and the first slider and the second slider can both be slidably arranged in the slide groove to drive the first clamp and the second clamp to move toward or away from each other.

[0014] Furthermore, the clamp also includes a second transmission assembly and a rocking handle, which is connected to the first slider and the second slider through the second transmission assembly, so that the first slider and the second slider can be driven to move toward or away from each other by rotating the rocking handle and under the action of the second transmission assembly; and / or, the clamp also includes a fixed support plate, which is arranged on the mounting frame, so that when the first clamp and the second clamp clamp the part to be welded, the part to be welded can be rested on the fixed support plate; and / or, the clamp also includes a handle, which is arranged on the top of the mounting frame.

[0015] By applying the technical solution of the present invention, the welding work platform includes a support frame, a welding platform and a positioning assembly. The welding platform and the positioning assembly are both arranged on the support frame. During welding, the workpiece to be welded needs to be placed on the welding platform and located in the positioning space. Then, the size of the positioning space is adjusted by adjusting at least part of the positioning assembly to position the workpiece to be welded. It can be seen that the welding work platform can save a lot of time and improve work efficiency when positioning is required for welding, thereby solving the problem in the prior art that the welding work platform has a single function, resulting in a lot of preparation work before welding and a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 A schematic diagram showing an embodiment of a welding work platform according to the present invention is shown;

[0018] Figure 2 A schematic diagram showing a partial structure of a welding work platform according to the present invention;

[0019] Figure 3 A schematic diagram of a welding platform of a welding work platform according to the present invention is shown;

[0020] Figure 4 A front view of a welding platform of a welding work platform according to the present invention is shown;

[0021] Figure 5A side view of a welding platform of a welding work platform according to the present invention is shown;

[0022] Figure 6 Shows Figure 5 A local enlarged view of point A in FIG.

[0023] Figure 7 A top view of a welding platform of a welding work platform according to the present invention is shown;

[0024] Figure 8 A schematic diagram of a clamp of a welding work platform according to the present invention is shown;

[0025] Fig. 9 A front view of a clamp of a welding work platform according to the present invention is shown;

[0026] Fig.10 A side view of a clamp of a welding work platform according to the present invention is shown;

[0027] Fig.11 A top view of a clamp of a welding work platform according to the present invention is shown;

[0028] Fig.12 A schematic diagram of a support frame of a welding work platform according to the present invention is shown;

[0029] Fig.13 A front view of a support frame of a welding work platform according to the present invention is shown;

[0030] Fig.14 A side view of a support frame of a welding work platform according to the present invention is shown;

[0031] Fig.15 A top view of a support frame of a welding work platform according to the present invention is shown.

[0032] The above drawings include the following reference numerals:

[0033] 10. Support frame;

[0034] 20. welding platform; 21. first fixing groove; 22. second fixing groove;

[0035] 30. Positioning assembly; 31. Positioning space; 32. First slide rail; 33. Second slide rail; 34. First positioning rod; 35. Second positioning rod; 36. First sliding sleeve; 37. Second sliding sleeve;

[0036] 40. Driving parts;

[0037] 51. Transmission rod; 52. First transmission chain; 53. Second transmission chain; 54. First connection block; 55. Second connection block; 56. First mounting seat; 57. Second mounting seat; 58. Driving wheel; 59. Passive wheel;

[0038] 60. Clamp; 61. Base; 62. First clamp; 63. Second clamp; 64. Mounting frame; 65. Third slide rail; 66. First slider; 67. Second slider; 68. Rocking handle; 69. Fixed support plate; 70. Handle. DETAILED DESCRIPTION

[0039] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0040] It should be noted that the following detailed descriptions are exemplary and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.

[0041] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0042] The present invention provides a welding work platform, please refer to Figures 1 to 15 , including: a support frame 10; a welding platform 20, which is arranged on the support frame 10 and is used to place the parts to be welded; a positioning component 30, which is arranged on the support frame 10, and the positioning component 30 encloses a positioning space 31 for positioning the parts to be welded, and at least a part of the positioning component 30 is movably arranged to adjust the size of the positioning space 31.

[0043] The welding work platform of the present invention includes a support frame 10, a welding platform 20 and a positioning assembly 30. The welding platform 20 and the positioning assembly 30 are both arranged on the support frame 10. During welding, the workpiece to be welded needs to be placed on the welding platform 20 and located in the positioning space 31, and then the size of the positioning space 31 is adjusted by adjusting at least part of the positioning assembly 30 to position the workpiece to be welded. It can be seen that the welding work platform can save a lot of time and improve work efficiency when positioning is required for welding, thereby solving the problem that the welding work platform in the prior art has a single function, resulting in a lot of preparation work before welding and a long time.

[0044] In this embodiment, the positioning assembly 30 includes a first slide rail 32, a second slide rail 33, a first positioning rod 34, a second positioning rod 35, a first sliding sleeve 36 and a second sliding sleeve 37. The first slide rail 32, the second slide rail 33, the first positioning rod 34 and the second positioning rod 35 together form a positioning space 31; the first slide rail 32 and the second slide rail 33 are arranged in parallel and both extend along the first preset direction, the first positioning rod 34 and the second positioning rod 35 are arranged in parallel and both extend along the second preset direction; one end of the first positioning rod 34 is slidably connected to the first slide rail 32 to slide along the extension direction of the first slide rail 32, and the first positioning rod 34 is connected to the first slide rail 32 to slide along the extension direction of the first slide rail 32. The positioning rod 34 is inserted in the first sliding sleeve 36, and the first sliding sleeve 36 is slidably connected to the second slide rail 33 to slide along the extension direction of the second slide rail 33; one end of the second positioning rod 35 is slidably connected to the first slide rail 32 to slide along the extension direction of the first slide rail 32, and the second positioning rod 35 is inserted in the second sliding sleeve 37, and the second sliding sleeve 37 is slidably connected to the second slide rail 33 to slide along the extension direction of the second slide rail 33; the first slide rail 32 is movably arranged along the second preset direction to move toward or away from the second slide rail 33; wherein the first preset direction and the second preset direction are arranged perpendicular to each other.

[0045] During specific implementation, the first slide rail 32, the second slide rail 33, the first positioning rod 34 and the second positioning rod 35 together form a positioning space 31. The first positioning rod 34 and the second positioning rod 35 can adjust the size of the positioning space 31 in a first preset direction, and the first slide rail 32 can adjust the size of the positioning space 31 in a second preset direction to fix the workpiece to be welded in the positioning space 31 to achieve the positioning of the workpiece to be welded.

[0046] In this embodiment, the welding work platform further includes a ruler having scales, and the first positioning rod 34 and the second positioning rod 35 are both provided with the ruler.

[0047] During specific implementation, the ruler follows the first positioning rod 34 and the second positioning rod 35 to slide to the designated area for operation. The ruler itself has a scale and can accurately measure specific values. When welding requires measurement and positioning, a lot of time can be saved and work efficiency can be improved.

[0048] During the specific implementation, the workpiece to be welded is first placed on the surface of the welding platform 20, and the workpiece to be welded is fixed by sliding the first slide rail 32, the first positioning rod 34 and the second positioning rod 35. If measurement and positioning are required, the scale on the ruler is used for measurement and positioning. If not required, the welding operation is carried out after the workpiece to be welded is fixed.

[0049] In this embodiment, the welding work platform includes a driving member 40 and a first transmission assembly. The driving member 40 is connected to the first slide rail 32 through the first transmission assembly to drive the first slide rail 32 to move along the second preset direction.

[0050] Optionally, the driving member 40 is a reduction motor.

[0051] In this embodiment, the first transmission assembly includes a transmission rod 51, a first sprocket, a second sprocket, a first transmission chain 52, and a second transmission chain 53. The driving member 40 is connected to the transmission rod 51 to drive the transmission rod 51 to rotate; the first sprocket and the second sprocket are respectively arranged at both ends of the transmission rod 51; the first transmission chain 52 is sleeved on the first sprocket, and the second transmission chain 53 is sleeved on the second sprocket; one end of the first slide rail 32 is fixedly connected to the first transmission chain 52, and the other end of the first slide rail 32 is fixedly connected to the second transmission chain 53.

[0052] Specifically, the first transmission assembly also includes a first connecting block 54 and a second connecting block 55, one end of the first slide rail 32 is fixedly connected to the first transmission chain 52 through the first connecting block 54; the other end of the first slide rail 32 is fixedly connected to the second transmission chain 53 through the second connecting block 55; and / or, the first transmission assembly also includes a first mounting seat 56, a second mounting seat 57, a third sprocket and a fourth sprocket; the first mounting seat 56 and the second mounting seat 57 are both arranged on the support frame 10, and the third sprocket and the fourth sprocket are rotatably arranged on the first mounting seat 56 and the second mounting seat 57 respectively; the first transmission chain 52 is sleeved on the third sprocket, and the second transmission chain 53 is sleeved on the fourth sprocket; and / or, the first transmission assembly also includes a driving wheel 58 and a passive wheel 59, the output end of the driving member 40 is drivingly connected to the driving wheel 58 to drive the driving wheel 58 to rotate; the driving wheel 58 is meshed with the passive wheel 59, and the passive wheel 59 is fixedly connected to the transmission rod 51.

[0053] In this embodiment, a plurality of first fixing grooves 21 and a plurality of second fixing grooves 22 are provided on the welding platform 20, and the plurality of first fixing grooves 21 all extend along the first preset direction and are arranged at intervals along the second preset direction; the plurality of second fixing grooves 22 all extend along the second preset direction and are arranged at intervals along the first preset direction; wherein the first preset direction is arranged perpendicular to the second preset direction.

[0054] During specific implementation, due to the provision of multiple first fixing grooves 21 and multiple second fixing grooves 22, multiple square protrusions are formed on the surface of the welding platform 20, and the grooves between adjacent square protrusions (i.e., the first fixing grooves 21 and multiple second fixing grooves 22) can fix parts and place tooling, which is convenient for organizing tools; and the square protrusions themselves have the function of approximate positioning and measurement.

[0055] Specifically, the cross-section of each first fixing groove 21 and the cross-section of each second fixing groove 22 are both T-shaped. Such an arrangement can reliably fix parts and tools.

[0056] In this embodiment, the welding work platform further includes: a clamp 60, including a base 61 and a clamping jaw assembly disposed on the base 61, the base 61 is installed on the welding platform 20, and the clamping jaw assembly is used to clamp the workpiece to be welded.

[0057] In specific implementation, if the welding work platform does not have a clamp 60, when clamping is required, the workpiece to be welded can only be fixed at the edge of the platform, and the middle cannot be clamped. Large parts (i.e., workpieces to be welded) need to be constantly changed in position for clamping and welding. The welding work platform can fix the clamp 60 through the first fixing groove 21 and / or the second fixing groove 22 of the welding platform 20. In addition, if the positioning clamp 60 is required during the welding operation, it can be slid to the designated area through the first fixing groove 21 and the second fixing groove 22, and fixed at the first fixing groove 21 and the second fixing groove 22 to assist in completing the operation.

[0058] In this embodiment, the clamping jaw assembly includes a first clamping jaw 62 and a second clamping jaw 63, and the first clamping jaw 62 and the second clamping jaw 63 can be arranged to move toward each other or away from each other; the clamp 60 also includes a mounting frame 64, a third slide rail 65, a first slider 66, and a second slider 67. The mounting frame 64 is fixedly mounted on the base 61, the third slide rail 65 is fixedly mounted on the mounting frame 64, and a slide groove is provided on the third slide rail 65; the first clamping jaw 62 is fixedly connected to the first slider 66, and the second clamping jaw 63 is fixedly connected to the second slider 67. The first slider 66 and the second slider 67 can both be slidably arranged in the slide groove to drive the first clamping jaw 62 and the second clamping jaw 63 to move toward each other or away from each other.

[0059] Specifically, the clamp 60 also includes a second transmission assembly and a shaking handle 68, and the shaking handle 68 is connected to the first slider 66 and the second slider 67 through the second transmission assembly, so that the first slider 66 and the second slider 67 can be driven to move toward or away from each other by rotating the shaking handle 68 and under the action of the second transmission assembly; and / or, the clamp 60 also includes a fixed support plate 69, and the fixed support plate 69 is arranged on the mounting frame 64, so that when the first clamp 62 and the second clamp 63 clamp the workpiece to be welded, the workpiece to be welded is against the fixed support plate 69; and / or, the clamp 60 also includes a handle 70, and the handle 70 is arranged on the top of the mounting frame 64.

[0060] Specifically, the support frame 10 is composed of 8 long flat tubes of 50cm*100cm, 5 short flat tubes of 50cm*100cm and connecting blocks, which are welded to form the main frame of the entire welding work platform. Various positioning holes are opened on it, and the welding platform 20 and the positioning assembly 30 are fixed by threaded connection. The positioning assembly 30 is installed on the outermost periphery of the base to play the role of positioning and measurement. The middle is the area where the welding platform 20 is placed. The welding platform 20 is embedded in the support frame 10 and fixed, and the welder performs welding operations on the table top of the welding platform 20.

[0061] Specifically, the welding work platform further includes a plurality of bearing seats arranged at intervals, and the transmission rod 51 is passed through the plurality of bearing seats.

[0062] Specifically, the clamp 60 is used in conjunction with the welding platform 20 and the positioning assembly 30. The clamp 60 is fixed to the welding platform 20 through the base 61 and connected using a nut. The clamp 60 adjusts the distance between the first clamp 62 and the second clamp 63 by shaking the handle 68 to fix different parts to be welded. The clamping range of the first clamp 62 and the second clamp 63 is 0-340mm horizontally and 0-500mm vertically, which can be adjusted according to the needs of the parts to be welded.

[0063] Specifically, the clamp includes a threaded rod, and a shaking handle 68 is connected to the first slider 66 and the second slider 67 through the threaded rod. The first slider 66 is threadedly connected to the first threaded portion on the threaded rod, and the second slider 67 is threadedly connected to the second threaded portion on the threaded rod; wherein, the thread directions of the first threaded portion and the second threaded portion are opposite, so that the threaded rod can be rotated by turning the shaking handle 68, thereby driving the first slider 66 and the second slider 67 to move toward or away from each other.

[0064] The welding work platform of the present invention installs the fixture 60, the welding platform 20 and the positioning assembly 30 together, which can greatly shorten the working time and improve the working efficiency of the welder during welding. The use of the ruler can also improve the quality of the parts and reduce the unqualified parts (i.e., the parts to be welded) caused by the errors caused by the fixation and manual measurement. The tooling tools used for welding include a tape measure, a triangle ruler, a caliper positioning clamp, etc., which can be directly fixed on the first fixing groove 21 and the second fixing groove 22, which greatly reduces the time of taking and searching the tools, and is conducive to improving the environment of the site, and is beautiful and tidy.

[0065] The present invention solves the following technical problems: 1. The welding work platform of the present invention has a movable ruler, which solves the problem that welders need to measure when working, the positioning accuracy is not high, and the operation is difficult. 2. The welding work platform of the present invention provides a welding vertical clamp with a manually adjustable clamping range, which increases the work efficiency of welders. 3. The welding work platform of the present invention facilitates the arrangement of welding tools through the setting of the welding platform 20.

[0066] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0067] The welding work platform of the present invention includes a support frame 10, a welding platform 20 and a positioning assembly 30. The welding platform 20 and the positioning assembly 30 are both arranged on the support frame 10. During welding, the workpiece to be welded needs to be placed on the welding platform 20 and located in the positioning space 31, and then the size of the positioning space 31 is adjusted by adjusting at least part of the positioning assembly 30 to position the workpiece to be welded. It can be seen that the welding work platform can save a lot of time and improve work efficiency when positioning is required for welding, thereby solving the problem that the welding work platform in the prior art has a single function, resulting in a lot of preparation work before welding and a long time.

[0068] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A welding work platform, characterized in that: include: Support frame (10); A welding platform (20), arranged on the support frame (10) and used for placing parts to be welded; A positioning assembly (30) is arranged on the support frame (10), and the positioning assembly (30) encloses a positioning space (31) for positioning the workpiece to be welded, and at least a portion of the positioning assembly (30) is movably arranged to adjust the size of the positioning space (31).

2. The welding work platform according to claim 1, characterized in that: The positioning assembly (30) comprises a first slide rail (32), a second slide rail (33), a first positioning rod (34), a second positioning rod (35), a first sliding sleeve (36) and a second sliding sleeve (37); the first slide rail (32), the second slide rail (33), the first positioning rod (34) and the second positioning rod (35) together enclose the positioning space (31); the first slide rail (32) and the second slide rail (33) are arranged in parallel and both extend along a first preset direction; the first positioning rod (34) and the second positioning rod (35) are arranged in parallel and both extend along a second preset direction; One end of the first positioning rod (34) is slidably connected to the first slide rail (32) so as to slide along the extension direction of the first slide rail (32); the first positioning rod (34) is inserted into the first sliding sleeve (36); the first sliding sleeve (36) is slidably connected to the second slide rail (33) so as to slide along the extension direction of the second slide rail (33); One end of the second positioning rod (35) is slidably connected to the first slide rail (32) so as to slide along the extension direction of the first slide rail (32); the second positioning rod (35) is inserted into the second sliding sleeve (37); the second sliding sleeve (37) is slidably connected to the second slide rail (33) so as to slide along the extension direction of the second slide rail (33); The first slide rail (32) is movably arranged along the second preset direction so as to move towards or away from the second slide rail (33); wherein the first preset direction and the second preset direction are arranged perpendicularly.

3. The welding work platform according to claim 2, characterized in that: The welding work platform further comprises a ruler having scales, and the ruler is arranged on both the first positioning rod (34) and the second positioning rod (35).

4. The welding work platform according to claim 2, characterized in that: The welding work platform comprises a driving member (40) and a first transmission assembly, wherein the driving member (40) is connected to the first slide rail (32) via the first transmission assembly to drive the first slide rail (32) to move along the second preset direction.

5. The welding work platform according to claim 4, characterized in that: The first transmission assembly comprises a transmission rod (51), a first sprocket, a second sprocket, a first transmission chain (52), and a second transmission chain (53); the driving member (40) is connected to the transmission rod (51) to drive the transmission rod (51) to rotate; the first sprocket and the second sprocket are respectively arranged at two ends of the transmission rod (51); the first transmission chain (52) is sleeved on the first sprocket, and the second transmission chain (53) is sleeved on the second sprocket; One end of the first slide rail (32) is fixedly connected to the first transmission chain (52), and the other end of the first slide rail (32) is fixedly connected to the second transmission chain (53).

6. The welding work platform according to claim 5, characterized in that: The first transmission assembly further comprises a first connecting block (54) and a second connecting block (55); one end of the first slide rail (32) is fixedly connected to the first transmission chain (52) via the first connecting block (54); the other end of the first slide rail (32) is fixedly connected to the second transmission chain (53) via the second connecting block (55); and / or The first transmission assembly further comprises a first mounting seat (56), a second mounting seat (57), a third sprocket and a fourth sprocket; the first mounting seat (56) and the second mounting seat (57) are both arranged on the support frame (10), and the third sprocket and the fourth sprocket are rotatably arranged on the first mounting seat (56) and the second mounting seat (57), respectively; the first transmission chain (52) is sleeved on the third sprocket, and the second transmission chain (53) is sleeved on the fourth sprocket; and / or The first transmission assembly further comprises a driving wheel (58) and a driven wheel (59); the output end of the driving member (40) is drivingly connected to the driving wheel (58) to drive the driving wheel (58) to rotate; the driving wheel (58) is meshed with the driven wheel (59), and the driven wheel (59) is fixedly connected to the transmission rod (51).

7. The welding work platform according to claim 1, characterized in that: The welding platform (20) is provided with a plurality of first fixing grooves (21) and a plurality of second fixing grooves (22); the plurality of first fixing grooves (21) all extend along a first preset direction and are arranged at intervals along a second preset direction; the plurality of second fixing grooves (22) all extend along the second preset direction and are arranged at intervals along the first preset direction; wherein the first preset direction is arranged perpendicular to the second preset direction.

8. The welding work platform according to claim 1, characterized in that: The welding work platform also includes: The clamp (60) comprises a base (61) and a clamping jaw assembly arranged on the base (61), wherein the base (61) is installed on the welding platform (20), and the clamping jaw assembly is used for clamping the workpiece to be welded.

9. The welding work platform according to claim 8, characterized in that: The clamping jaw assembly comprises a first clamping jaw (62) and a second clamping jaw (63), and the first clamping jaw (62) and the second clamping jaw (63) are arranged to move toward each other or move away from each other; the clamp (60) further comprises a mounting frame (64), a third slide rail (65), a first slide block (66), and a second slide block (67), the mounting frame (64) is fixedly mounted on the base (61), the third slide rail (65) is fixedly mounted on the mounting frame (64), and a slide groove is provided on the third slide rail (65); The first clamping jaw (62) is fixedly connected to the first sliding block (66), and the second clamping jaw (63) is fixedly connected to the second sliding block (67). Both the first sliding block (66) and the second sliding block (67) can be slidably arranged in the sliding groove to drive the first clamping jaw (62) and the second clamping jaw (63) to move toward or away from each other.

10. The welding work platform according to claim 9, characterized in that: The clamp (60) further comprises a second transmission assembly and a rocking handle (68), wherein the rocking handle (68) is connected to both the first slider (66) and the second slider (67) via the second transmission assembly, so that the first slider (66) and the second slider (67) are driven to move toward or away from each other by rotating the rocking handle (68) and under the action of the second transmission assembly; and / or The clamp (60) further comprises a fixed backing plate (69), wherein the fixed backing plate (69) is arranged on the mounting frame (64) so ​​that when the first clamping jaw (62) and the second clamping jaw (63) clamp the workpiece to be welded, the workpiece to be welded is pressed against the fixed backing plate (69); and / or The clamp (60) further comprises a handle (70), and the handle (70) is arranged on the top of the mounting frame (64).

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