Welding tool for outer scraper assembly of silage maize harvester

Abstract

The utility model relates to a welding tool for an outer scraper assembly of a silage maize harvester, which comprises a bottom plate and a support frame, a driving device is mounted on the support frame, the output end of the driving device is connected with the bottom plate and can drive the bottom plate to turn over, and a clamping mechanism is mounted on the bottom plate. The clamping mechanism comprises a first positioning device, a first clamping device, a second positioning device, a third positioning device, a third clamping device, a ninth positioning device, a first clamping device and a second clamping device, and the first positioning device is used for clamping a first outer scraper, a first outer scraper connecting plate and a fifth outer scraper partition plate of the first outer scraper assembly; the first positioning device, the second positioning device and the third positioning device are matched to be used for clamping a first outer scraping partition plate and a third outer scraping partition plate of a first outer scraping plate assembly, the second positioning device and the third positioning device are matched to be used for clamping a second outer scraping partition plate of the first outer scraping plate assembly, and the first clamping device is used for clamping the first outer scraping partition plate and the third outer scraping partition plate. The ninth positioning device is used for clamping an outer scraping arc-shaped bent plate of the first outer scraping plate assembly. Welding quality is guaranteed, and welding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding jigs, and particularly relates to a welding jig for an outer scraper assembly of a forage harvester. Background Art

[0002] In the FA18A forage harvester, the outer scraper assembly is an important component of the cutting table of the forage harvester. It is adjacent to the feeding wheel and is used to remove the grass on the teeth of the feeding wheel to ensure the normal use of the feeding wheel. Most of the existing outer scraper welding jigs are simple jigs, which are difficult to guarantee the quality, and each part needs to be manually clamped one by one, which is time-consuming and laborious. Summary of the Utility Model

[0003] In order to solve the above technical problems, the utility model provides a welding jig for an outer scraper assembly of a forage harvester.

[0004] The technical solution for the utility model to solve the above technical problems is as follows: A welding jig for an outer scraper assembly of a forage harvester includes a bottom plate and a support frame. A driving device is installed on the support frame, and the output end of the driving device is connected to the bottom plate and can drive the bottom plate to turn over. A plurality of through grooves are provided on the bottom plate, and a clamping mechanism is installed on the bottom plate. The clamping mechanism includes a positioning device one, a clamping device one, a positioning device two, a positioning device three, a clamping device three, a positioning device nine, a clamp one and a clamp two. The positioning device one is used to clamp the outer scraper one, the outer scraping connecting plate one and the outer scraping partition five of the outer scraper assembly one. The positioning device one, the positioning device two and the positioning device three cooperate to clamp the outer scraping partition one and the outer scraping partition three of the outer scraper assembly one. The positioning device two and the positioning device three cooperate to clamp the outer scraping partition two of the outer scraper assembly one. The clamp one is used to clamp the outer scraping partition one and the outer scraping partition three. The positioning device nine is used to clamp the outer scraping arc-shaped bent plate of the outer scraper assembly one. The clamp two is used to clamp the outer scraping arc-shaped bent plate. The clamping device one includes a clamping plate one, and the clamping plate one is used to clamp the outer scraper assembly one. The clamping device three is used to clamp the clamping plate one.

[0005] Based on the above technical solutions, the utility model can further make the following improvements to the above technical solutions:

[0006] Preferably, the positioning device one includes two positioning plates three, and the two positioning plates three are used to position the two outer scraping partitions five.

[0007] Preferably, the positioning device one further includes a positioning plate two, a positioning plate four and a positioning plate eight, and the inclined surfaces of the positioning plate two, the positioning plate four and the positioning plate eight are used to position the outer scraping connecting plate one.

[0008] Preferably, the second positioning device includes a ninth positioning plate, and the third positioning device includes an eleventh positioning plate. The third positioning plate and the ninth positioning plate are used to support the third outer scraping partition plate. An inclined surface is provided on the eleventh positioning plate, and the inclined surface is used to position the end of the third outer scraping partition plate.

[0009] Preferably, the third positioning plate and the ninth positioning plate are used to support the first outer scraping partition plate. The vertical edges of the second positioning plate and the ninth positioning plate are respectively used to abut against the first outer scraping partition plate, and the inclined surface of the eleventh positioning plate is used to position the end of the first outer scraping partition plate.

[0010] Preferably, a middle groove is provided on the ninth positioning plate of the second positioning device, and the middle groove is used to position the second outer scraping partition plate. The inclined surface of the eleventh positioning plate of the third positioning device is used to position the end of the second outer scraping partition plate.

[0011] Preferably, the second positioning plate and the fourth positioning plate of the first positioning device are used to support the first outer scraping plate.

[0012] Preferably, the ninth positioning device includes a nineteenth positioning plate, and a magnet is provided on the nineteenth positioning plate. The nineteenth positioning plate is used to support the outer scraping arc-shaped bent plate, and the magnet is used to adsorb the outer scraping arc-shaped bent plate.

[0013] Preferably, the clamping mechanism further includes a fourth positioning device and a second clamping device. There are multiple third clamping devices. The fourth positioning device is used to position the second outer scraping plate assembly, the second clamping device is used to clamp the second outer scraping plate assembly, and the third clamping device is used to lock the second clamping device.

[0014] Preferably, there are two clamping mechanisms, and the two clamping mechanisms are symmetrically arranged on the bottom plate.

[0015] The beneficial effects of the present utility model are as follows: By setting the positioning device and the clamping device, all participating welded parts are accurately positioned and clamped, ensuring the welding quality, improving the welding efficiency, saving time and effort; By connecting the bottom plate with the driving device, the bottom plate and all the parts to be welded can be driven to rotate, thus facilitating the welding of all welds; By adopting the profiling positioning and clamping device, it is convenient to accurately position, clamp and pick and place parts; The displacement positioning device driven by the push-pull type clamp is convenient for positioning and picking and placing parts. The present utility model realizes the generalization of the tooling, saving the production site and manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the welding tooling of the present utility model;

[0017] Figure 2 is a top view schematic diagram of the welding tooling of the present utility model;

[0018] Figure 3 Structural schematic diagram of the first positioning device of the present utility model;

[0019] Figure 4 Structural schematic diagram of the first clamping device of the present utility model;

[0020] Figure 5 Structural schematic diagram of the fourth positioning device of the present utility model;

[0021] Figure 6 Structural schematic diagram of the second clamping device of the present utility model;

[0022] Figure 7 Structural schematic diagram of the ninth positioning device of the present utility model;

[0023] Figure 8 Structural schematic diagram of the seventh positioning device of the present utility model;

[0024] Figure 9 Structural schematic diagram of the second positioning device of the present utility model;

[0025] Figure 10 Structural schematic diagram of the third positioning device of the present utility model;

[0026] Figure 11 Structural schematic diagram of the first outer scraper assembly;

[0027] Figure 12 Structural schematic diagram of the second outer scraper assembly.

[0028] Reference numerals: 1, base plate; 2, support frame;

[0029] 3, the first positioning device; 20, the first seat plate; 21, the second positioning plate; 22, the third positioning plate; 23, the fourth positioning plate; 24, the fifth positioning plate; 25, the sixth positioning plate; 26, the seventh positioning plate; 27, the eighth positioning plate; 28, the tenth positioning plate; 31, magnet;

[0030] 4, the first clamping device; 32, the first pin shaft; 33, the first clamping plate; 34, the twelfth positioning plate; 37, the third clamping plate; 38, the thirteenth positioning plate; 39, the second support seat; 44, the first support seat;

[0031] 5, the fourth positioning device; 45, the second seat plate; 46, the sixteenth positioning plate; 47, the fourteenth positioning plate; 48, the first positioning plate; 52, the fifteenth positioning plate; 54, the eighteenth positioning plate;

[0032] 6, the second clamping device; 57, the third support seat; 58, the second pin shaft; 59, the fourth clamping plate; 64, the fifth clamping plate; 65, the fourth support seat;

[0033] 7. Positioning device IX; 67. Support base V; 69. Push-pull type clamp; 72. Guide base I; 73. Guide rod I; 74. Fixed plate I; 76. Positioning plate XIX; 77. Connecting block; 78. Connecting column;

[0034] 8. Positioning device VII; 79. Support base VI; 80. Positioning plate XVII; 81. Cylindrical pin; 82. Diamond pin;

[0035] 9. Positioning device II; 83. Positioning plate IX;

[0036] 10. Positioning device III; 84. Positioning plate XI; 11. Clamping device III;

[0037] 16. Clamp I; 17. Clamp II; 18. Clamp III; 19. Clamp IV;

[0038] 100. Outer scraper assembly I; 101. Outer scraper I; 102. Outer scraping partition I; 103. Outer scraping partition II; 104. Outer scraping partition III; 105. Outer scraping connecting plate I; 106. Outer scraping partition V; 107. Outer scraping arc-shaped bend plate;

[0039] 200. Outer scraper assembly II; 208. Outer scraping seat plate; 209. Outer scraping connecting plate II; 210. Outer scraping partition IV; 211. Outer scraper II. Specific embodiments

[0040] The principles and features of the present utility model will be described below in conjunction with the accompanying drawings. The examples given are only used to explain the present utility model and are not intended to limit the scope of the present utility model.

[0041] Such as Figures 1 to 12As shown in the figure, the utility model discloses a welding tooling for the outer scraper assembly of a silage harvester, which includes a bottom plate 1 and a support frame 2. A driving device is installed on the support frame 2, and the output end of the driving device is connected to the bottom plate 1 and can drive the bottom plate 1 to turn over. The driving device can be a driving motor. A clamping mechanism is installed on the bottom plate 1. The clamping mechanism includes a positioning device 1 3, a clamping device 1 4, a positioning device 2 9, a positioning device 3 10, a positioning device 9 7, a clamp 1 16 and a clamp 2 17. The positioning device 1 3 is used to clamp the outer scraper 1 101, the outer scraping connecting plate 1 105 and the outer scraping partition 5 106 of the outer scraper assembly 1 100. The positioning device 1 3, the positioning device 2 9 and the positioning device 3 10 cooperate to clamp the outer scraping partition 1 102 and the outer scraping partition 3 104 of the outer scraper assembly 1 100. The positioning device 2 9 and the positioning device 3 10 cooperate to clamp the outer scraping partition 2 103 of the outer scraper assembly 1 100. The clamp 1 16 is used to clamp the outer scraping partition 1 102 and the outer scraping partition 3 104. The positioning device 9 7 is used to clamp the outer scraping arc-shaped bent plate 107 of the outer scraper assembly 1 100. The clamp 2 17 is used to clamp the outer scraping arc-shaped bent plate 107, and is used to clamp the outer scraper assembly 1 100.

[0042] Furthermore, a plurality of through slots are provided on the bottom plate 1. After the clamping is completed, each part to be welded is welded, and then the driving device drives the bottom plate 1 to turn over 180°. The welding equipment passes through the through slots to weld the welds under the outer scraper assembly 1 100, ensuring the firmness of the welding.

[0043] The welding tooling for the outer scraper assembly of the silage harvester further includes a clamping device 3 11. The clamping device 1 4 includes a clamping plate 1 33, and the clamping device 3 11 is used to clamp the clamping plate 1 33.

[0044] Specifically, the clamping device 1 4 includes a support seat 2 39 and a support seat 1 44. The clamping plate 1 33 is hinged to the support seat 1 44 through a pin shaft 1 32. The clamping plate 1 33 is provided with a positioning plate 12 34, a clamping plate 3 37 and a positioning plate 13 38. After the outer scraper assembly 1 100 is completely clamped, the clamping plate 1 33 rotates around the pin shaft 1 32 and buckles on the support seat 2 39, realizing clamping the outer scraper assembly 1 100 from above, further improving the firmness of the clamping and ensuring the welding accuracy.

[0045] As Figure 3As shown, the first positioning device 3 includes a first seat plate 20 and a second positioning plate 21, a third positioning plate 22, a fourth positioning plate 23, a fifth positioning plate 24, a sixth positioning plate 25, a seventh positioning plate 26, an eighth positioning plate 27 and a tenth positioning plate 28 mounted on the first seat plate 20. A magnet 31 is mounted on the fourth positioning plate 23. There are four third positioning plates 22, and two of the third positioning plates 22 are used to position the two outer scraping partition plates 106.

[0046] The inclined surfaces of the second positioning plate 21, the fourth positioning plate 23 and the eighth positioning plate 27 are used to position the first outer scraping connecting plate 105.

[0047] The second positioning plate 21 and the fourth positioning plate 23 of the first positioning device 3 are used to support the first outer scraping plate 101, so as to position the first outer scraping plate 101.

[0048] As Figure 6 As shown, the second positioning device 9 includes a ninth positioning plate 83, and the third positioning device 10 includes an eleventh positioning plate 84. The third positioning plate 22 located outside the fourth positioning plate 23 and the ninth positioning plate 83 are used to support the third outer scraping partition plate 104. The eleventh positioning plate 84 is provided with an inclined surface, and the inclined surface is used to position the end of the third outer scraping partition plate 104, so as to position the third outer scraping partition plate 104.

[0049] The third positioning plate 22 located outside the second positioning plate 21 in the first positioning device 3 and the ninth positioning plate 83 of the second positioning device 9 are used to support the first outer scraping partition plate 102, and the vertical edges of the second positioning plate 21 and the ninth positioning plate 83 are respectively used to abut against the first outer scraping partition plate 102. The inclined surface of the eleventh positioning plate 84 is used to position the end of the first outer scraping partition plate 102, so as to position the first outer scraping partition plate 102.

[0050] The ninth positioning plate 83 of the second positioning device 9 is provided with a middle groove, and the middle groove is a U-shaped groove with an upward opening. The middle groove is used to position the second outer scraping partition plate 103. Specifically, the second outer scraping partition plate 103 is inserted into the middle groove. The inclined surface of the eleventh positioning plate 84 of the third positioning device 10 is used to position the end of the second outer scraping partition plate 103, so as to position the second outer scraping partition plate 103.

[0051] The ninth positioning device 7 includes a nineteenth positioning plate 76. The nineteenth positioning plate 76 is provided with a magnet 31. The nineteenth positioning plate 76 is used to support the outer scraping arc-shaped bent plate 107, and the magnet 31 is used to adsorb the outer scraping arc-shaped bent plate 107 to ensure the firmness of the positioning of the outer scraping arc-shaped bent plate 107.

[0052] Specifically, the positioning device nine 7 includes a support base five 67, a push-pull type clamp 69, a guide base one 72, a guide rod one 73, a fixing plate one 74, a positioning plate nineteen 76, a connecting block 77 and a connecting column 78. The guide base one 72 is installed on the support base five 67, the push-pull type clamp 69 is installed on the guide base one 72. There are two guide rods one 73. One end of the guide rod one 73 is installed on the guide base one 72, and the other end is connected to the fixing plate one 74. The output end of the push-pull type clamp 69 is connected to the connecting block 77 through the connecting column 78. The connecting block 77 is connected to the fixing plate one 74. The fixing plate one 74 is installed with a positioning plate nineteen 76, and the positioning plate nineteen 76 is installed with a magnet 31.

[0053] The clamping mechanism further includes a positioning device four 5 and a clamping device two 6. There are multiple clamping devices three 11. The positioning device four 5 is used to position the outer scraper assembly two 200, the clamping device two 6 is used to clamp the outer scraper assembly two 200, and the clamping device three 11 is used to lock the clamping device two 6.

[0054] Specifically, the positioning device four 5 includes a seat plate two 45 and a positioning plate sixteen 46, a positioning plate fourteen 47, a positioning plate one 48, a positioning plate fifteen 52 and a positioning plate eighteen 54 installed on the seat plate two 45. The positioning device four 5 is used to position the outer scraper assembly two 200.

[0055] Specifically, the clamping device two 6 includes a support base three 57, a clamping plate four 59, a clamping plate five 64 and a support base four 65. The clamping plate four 59 is hinged to the support base three 57 through a pin shaft two 58. After the outer scraper assembly two 200 is completely positioned, the clamping plate four 59 is buckled on the support base four 65 to lock the outer scraper assembly two 200 and ensure the welding accuracy.

[0056] Furthermore, there are two clamping mechanisms, and the two clamping mechanisms are symmetrically arranged on the base plate 1. It realizes double-station positioning, clamping and welding, realizes the generalization of the tooling, and improves the welding efficiency.

[0057] The operation process of this welding tooling is as follows:

[0058] First, operate the support frame 2 to make the tooling in the Figure 1 shown position and loosen all clamping parts;

[0059] (1) Clamp the outer scraper assembly one

[0060] There is a positioning plate three 22 between the positioning plate two 21 and the positioning plate ten 28, and there is a positioning plate three 22 between the positioning plate ten 28 and the positioning plate four 23. Place the two outer scraping partitions five 106 of the outer scraper assembly one 100 on the above two positioning plates three 22 for profiling positioning.

[0061] The outer scraping connecting plate 105 is placed on the inclined surfaces of the positioning plate 21, the positioning plate 4 23, and the positioning plate 8 27;

[0062] Place the outer scraping partition three 104 from the outside to the inside on a side platform of the positioning plate three 22 on one side of the positioning device one 3 and the positioning plate nine 83 of the positioning device two 9, lean against the vertical edge of the positioning plate four 23 and the vertical edge of one side of the positioning plate nine 83, and fix the end part with the inclined surface of the positioning plate eleven 84 of the positioning device three 10, and at the same time, the outer scraping partition three 104 is plugged together with the outer scraping connecting plate one 105.

[0063] Place the outer scraping baffle 102 from the outside to the inside on the other side platform of the positioning plate three 22 on the other side of the positioning device one 3 and the positioning plate nine 83 of the positioning device two 9, lean against the vertical edge of the positioning plate two 21 and the other side vertical edge of the positioning plate nine 83, and fix the end part with the inclined surface of the positioning plate eleven 84 of the positioning device three 10, and at the same time, plug the outer scraping baffle 102 and the outer scraping connecting plate 105 together.

[0064] Insert the outer scraping partition plate 2 103 into the groove of the outer scraping connecting plate 1 105, and use the middle groove of the positioning plate 9 83 of the positioning device 2 9 to fix the left and right and up and down positions, and use the inclined surface of the positioning plate 11 84 of the positioning device 3 10 to fix the end position.

[0065] Place the outer scraper plate 101 on the positioning plate 21 and the positioning plate 4 23 in the positioning device 1 3, between the two outer scraper baffles 5 106, the outer scraper baffle 3 104 and the outer scraper baffle 1 102, and plug it together with the outer scraper baffle 2 103, and clamp the outer scraper baffle 3 104 and the outer scraper baffle 1 102 with the clamp 1 16;

[0066] The outer scraper arc bent plate 107 is positioned by the positioning plate 19 76 of the positioning device 97, clamped by the clamp 2 17, pushed into place by the push-pull clamp 69, and then the clamping plate 1 33 of the flip clamp 1 4 is operated to clamp all the parts of the outer scraper assembly 100 from above, and then the clamping plate 1 33 of the flip clamp 1 4 is clamped by the clamp 3 11. At this point, all the parts in the outer scraper assembly 100 are positioned and clamped.

[0067] (2) Clamping the second outer scraper assembly

[0068] like Figure 1 , Figure 5 , Figure 6 and Figure 12 As shown, two outer scraping partitions 210 are placed on two positioning plates 16 46 of the positioning device 4 5, and are positioned by contouring and attached to the vertical edges on both sides of the positioning plate 14 47, and the end portions are fixed by the positioning plate 15 52.

[0069] Place the outer scraping connecting plate II 209 on the inclined surfaces of the positioning plate I 48, the positioning plate XVIII 54, and the positioning plate XV 52 to fix its position, and at the same time insert it into the two outer scraping partitions IV 210.

[0070] Place the outer scraping plate II 211 on the positioning plate XIV 47, between the two outer scraping partitions IV 210. Then place the outer scraping seat plate 208 on the positioning plate XVII 80 of the positioning device VII 8, fix its position with the cylindrical pin 81 and the diamond pin 82, suck it with the magnet 31, push it in place with the push-pull clamp 69. Then operate the clamping plate IV 59 of the flipping clamping device II 6 to clamp the two outer scraping partitions IV 210 and the outer scraping plate II 211 in a profiling manner, and clamp the clamping plate IV 59 with the clamping device III 11. Then clamp between the outer scraping plate II 211 and the clamping plate V 64 of the clamping device II 6 with the clamp IV 19 to fix the upper and lower positions of the end of the outer scraping plate II 211. Then clamp the two outer scraping partitions IV 210 with the clamp III 18. So far, all parts of the outer scraping plate assembly II 200 are positioned and clamped.

[0071] Among them, the positioning device VII 8 includes a support seat VI 79. A guide seat I 72 is installed on the support seat VI 79. A push-pull clamp 69 is installed on the guide seat I 72. One end of the guide rod I 73 is connected to the guide seat I 72, and the other end is connected to the fixing plate I 74. The output end of the push-pull clamp 69 is connected to the fixing plate I 74. A positioning plate XVII 80 is installed on the fixing plate I 74. A cylindrical pin 81, a diamond pin 82, and a magnet 31 are installed on the positioning plate XVII 80.

[0072] (3) Welding

[0073] Weld the corresponding welds of the outer scraping plate assembly I 100 and the outer scraping plate assembly II 200. Then operate the driving device to drive the bottom plate 1, the outer scraping plate assembly I 100, and the outer scraping plate assembly II 200 to flip 180°. The welding device passes through the through groove on the bottom plate 1 to weld the corresponding welds under the outer scraping plate assembly I 100 and the outer scraping plate assembly II 200.

[0074] Then operate the driving device to drive the bottom plate 1, the outer scraping plate assembly I 100, and the outer scraping plate assembly II 200 to flip 180° again to Figure 1 the original state, loosen all the clamps and clamping devices, withdraw all the positioning, and remove the welded parts from the tooling. So far, the operation is completed.

[0075] Furthermore, two clamping mechanisms are symmetrically provided, which are respectively used to clamp two groups of outer scraping plate assemblies I 100 and two groups of outer scraping plate assemblies II 200. The two groups of outer scraping plate assemblies II 200 are located between the two groups of outer scraping plate assemblies I 100. The overall structure is compact, reducing the floor area, realizing the generalization of the tooling, and saving the processing cost.

[0076] During use, first clamp and position the outer scraper assembly one 100 and the outer scraper assembly two 200 at one end, and perform welding. Then, clamp and position the outer scraper assembly one 100 and the outer scraper assembly two 200 at the other end.

[0077] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A welding tool for an outer scraper assembly of a silo, characterized in that: The invention comprises a base plate (1) and a support frame (2), wherein a driving device is installed on the support frame (2), wherein the output end of the driving device is connected to the base plate (1) and can drive the base plate (1) to flip, wherein a plurality of through slots are provided on the base plate (1), wherein a clamping mechanism is installed on the base plate (1), wherein the clamping mechanism comprises a positioning device (3), a clamping device (4), a positioning device (9), a positioning device (10), a clamping device (11), a positioning device (7), a clamping device (16) and a clamping device (17), wherein the positioning device (3) is used for clamping an outer scraper plate (101), an outer scraper connecting plate (105) and an outer scraper partition plate (106) of an outer scraper plate assembly (100), wherein the positioning device (3), the positioning device (9) and the positioning device (101) are connected to each other. ) is used to clamp the outer scraper baffle plate one (102) and the outer scraper baffle plate three (104) of the outer scraper assembly one (100); the positioning device two (9) and the positioning device three (10) are used to clamp the outer scraper baffle plate two (103) of the outer scraper assembly one (100); the clamp one (16) is used to clamp the outer scraper baffle plate one (102) and the outer scraper baffle plate three (104); the positioning device nine (7) is used to clamp the outer scraper arc-shaped bent plate (107) of the outer scraper assembly one (100); the clamp two (17) is used to clamp the outer scraper arc-shaped bent plate (107); the clamping device one (4) includes a clamping plate one (33); the clamping plate one (33) is used to clamp the outer scraper assembly one (100); the clamping device three (11) is used to clamp the clamping plate one (33).

2. The welding tool for the silo outer scraper assembly according to claim 1, characterized in that: The positioning device one (3) includes two positioning plates three (22), and the two positioning plates three (22) are used to position the two external scraping baffles five (106).

3. The welding tool for the silo outer scraper assembly according to claim 2, characterized in that: The positioning device one (3) also includes a positioning plate two (21), a positioning plate four (23) and a positioning plate eight (27), and the inclined surfaces of the positioning plate two (21), the positioning plate four (23) and the positioning plate eight (27) are used to position the external scraping connecting plate one (105).

4. The welding tool for the silo outer scraper assembly according to claim 3, characterized in that: The positioning device two (9) includes a positioning plate nine (83), and the positioning device three (10) includes a positioning plate eleven (84). The positioning plate three (22) and the positioning plate nine (83) are used to support the outer scraping baffle three (104). The positioning plate eleven (84) is provided with an inclined surface, and the inclined surface is used to position the end of the outer scraping baffle three (104).

5. The welding tool for the silo outer scraper assembly according to claim 4, characterized in that: The positioning plate three (22) and the positioning plate nine (83) are used to support the outer scraping baffle plate one (102), and the vertical edge of the positioning plate two (21) and the vertical edge of the positioning plate nine (83) are respectively used to abut against the outer scraping baffle plate one (102), and the inclined surface of the positioning plate eleven (84) is used to position the end of the outer scraping baffle plate one (102).

6. The welding tool for the silo outer scraper assembly according to claim 5, characterized in that: The positioning plate nine (83) of the positioning device two (9) is provided with an intermediate groove, and the intermediate groove is used to position the outer scraping baffle two (103). The inclined surface of the positioning plate eleven (84) of the positioning device three (10) is used to position the end of the outer scraping baffle two (103).

7. The welding tool for the silo outer scraper assembly according to claim 6, characterized in that: The positioning plate 2 (21) and the positioning plate 4 (23) of the positioning device 1 (3) are used to support the outer scraper 1 (101).

8. The welding tool for the silo outer scraper assembly according to claim 1, characterized in that: The positioning device nine (7) comprises a positioning plate nineteen (76), on which a magnet (31) is provided. The positioning plate nineteen (76) is used to support the outer scraping arc-shaped curved plate (107), and the magnet (31) is used to adsorb the outer scraping arc-shaped curved plate (107).

9. The welding tool for the silo outer scraper assembly according to claim 1, characterized in that: The clamping mechanism also includes a positioning device four (5) and a clamping device two (6), and the clamping device three (11) is provided with multiple ones. The positioning device four (5) is used to position the outer scraper assembly two (200), the clamping device two (6) is used to clamp the outer scraper assembly two (200), and the clamping device three (11) is used to lock the clamping device two (6).

10. The welding tool for the silo outer scraper assembly according to claim 1 or 9, characterized in that: Two clamping mechanisms are provided, and the two clamping mechanisms are symmetrically arranged on the base plate (1).

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