Chopping roller welding auxiliary tool

Abstract

The utility model relates to the field of manufacturing technology of chopping roller, specifically relates to a kind of chopping roller welding auxiliary tool.The first external positioning mechanism has the reference surface for roller cylinder vertical placement in the chopping roller welding auxiliary tool, and the first mounting seat can be positioned and fixed at the first preset position by the first locking structure through the second external positioning mechanism and the first external positioning mechanism;The second mounting seat can be positioned and fixed at the second preset position by the second locking structure through the third external positioning mechanism and the second external positioning mechanism;The third mounting seat can be positioned and fixed at the third preset position by the third locking structure through the fourth external positioning mechanism and the third external positioning mechanism;The fourth mounting seat can be positioned and fixed at the fourth preset position by the fourth locking structure through the fourth external positioning mechanism.The chopping roller welding auxiliary tool of the utility model can prevent the displacement of mounting seat during welding, thereby avoiding the increase of dimensional deviation of mounting seat and the reduction of installation accuracy.

Description

Technical Field

[0001] This utility model relates to the field of shredding roller manufacturing technology, specifically to a welding auxiliary tooling for shredding rollers. Background Technology

[0002] The chopping roller is an important component of the silage machine. For example... Figures 1 to 3 As shown, the shredding roller 11 includes a cylindrical roller 11, two annular ribs 12, four annular mounting seats 13, and two side plates 14. The mounting seats 13 surround the roller 11 circumferentially and are welded to the roller 11. The mounting seats 13 are provided with a plurality of mounting holes 135 evenly distributed circumferentially (each mounting seat 13 has the same number of mounting holes 135). The mounting holes 135 are used to install cutting blades. The two ribs 12 (the two ribs 12 are the first rib 121 and the second rib 122, respectively) are located at two preset positions inside the roller 11. The ribs 12 surround the axis of the roller 11, and the outer periphery of the ribs 12 is welded to the inner wall of the roller 11. The two side plates 14 are respectively welded to the two axial ends of the roller 11. The four mounting seats 13 are respectively the first mounting seat 131, the second mounting seat 132, the third mounting seat 133 and the fourth mounting seat 134, which are distributed in sequence. These four mounting seats 13 are welded at four preset positions on the outside of the roller 11 at intervals. In order to ensure that the cutting blade can be installed accurately, the mounting seats 13 need to have high installation accuracy, that is, each mounting seat 13 needs to be accurately installed and fixed in its corresponding preset position.

[0003] In the traditional manufacturing process of shredding rollers, four mounting seats need to be positioned at four predetermined locations on the outside of the roller and then welded in place. However, currently, there is a lack of dedicated auxiliary positioning fixtures, and only simple, temporarily manufactured tools can be used to assist in positioning the mounting seats. However, the positioning and fixing effect of these simple tools is not good, and the mounting seats are prone to displacement during the welding process, resulting in increased dimensional deviations and reduced installation accuracy. Utility Model Content

[0004] The purpose of this invention is to provide an auxiliary tooling for welding shredding rollers to help overcome the problems of increased dimensional deviation of the mounting base and reduced installation accuracy.

[0005] To achieve the above objectives, this utility model provides an auxiliary tooling for welding a shredding roller. This auxiliary tooling includes, from bottom to top, a first external positioning mechanism, a second external positioning mechanism, a third external positioning mechanism, and a fourth external positioning mechanism, all of which are detachable. The first external positioning mechanism has a horizontally arranged reference surface for vertically positioning the roller. The second and first external positioning mechanisms can fix a first mounting base at a first preset position outside the roller using a first locking structure. The third and second external positioning mechanisms can fix a second mounting base at a second preset position outside the roller using a second locking structure. The fourth and third external positioning mechanisms can fix a third mounting base at a third preset position outside the roller using a third locking structure. The fourth external positioning mechanism can also fix a fourth mounting base at a fourth preset position outside the roller using a fourth locking structure.

[0006] In some embodiments, the first external positioning mechanism includes a positioning base capable of supporting the first mounting seat at a first preset position; the second external positioning mechanism includes a plurality of circumferentially spaced first support positioning frames, each first support positioning frame including a first positioning plate, the first positioning plate being disposed above the positioning base, and the first positioning plate and the positioning base being capable of positioning and fixing the first mounting seat at the first preset position outside the roller through a plurality of first locking structures.

[0007] In some embodiments, the first locking structure includes a first positioning hole, a second positioning hole, and a first positioning pin. The first positioning hole is disposed in the positioning base and extends vertically through it. The second positioning hole is disposed in the first positioning plate and extends vertically through it. The first positioning pin can be detachably coaxially inserted into the second positioning hole, one of the mounting holes of the first mounting base, and the first positioning hole to position the first mounting base. And / or, the first support positioning frame further includes a second positioning plate and a plurality of first support rods. The second positioning plate is disposed above the first positioning plate. The second positioning plate can support the second mounting base at a second preset position, and the second positioning plate is fixedly connected to the first positioning plate through the first support rods.

[0008] In some embodiments, the positioning base includes an annular base, the top surface of which is configured as a reference surface, and a first support platform is coaxially arranged around the reference surface for placing a first mounting seat. The first support platform is capable of supporting the first mounting seat at a first preset position, and a first positioning hole extends vertically through the base and the first support platform.

[0009] In some embodiments, the second external positioning mechanism includes a plurality of circumferentially spaced first support positioning frames, each first support positioning frame including a second positioning plate capable of supporting the second mounting seat at a second preset position, the second positioning plate being disposed above the first external positioning mechanism; the third external positioning mechanism includes a plurality of circumferentially spaced positioning blocks, the positioning blocks being disposed above the second positioning plate, the positioning blocks and the second positioning plate being capable of positioning and fixing the second mounting seat at a second preset position outside the roller by a plurality of second locking structures; and / or, the second locking structures are configured to offset the mounting hole of the second mounting seat relative to the mounting hole of the first mounting seat by a first preset dimension.

[0010] In some embodiments, the second locking structure includes a third positioning hole, a fourth positioning hole, and a second positioning pin. The third positioning hole is disposed in the second positioning plate and extends vertically through it. The fourth positioning hole is disposed at the bottom of the positioning block and extends vertically. The second positioning pin can be detachably coaxially inserted into the third positioning hole, one of the mounting holes of the second mounting base, and the fourth positioning hole to position the second mounting base. And / or, the first support positioning frame further includes a first positioning plate and a plurality of first support rods. The first positioning plate is disposed below the second positioning plate, and the first positioning plate is fixedly connected to the second positioning plate via the first support rods. The first positioning plate and the first outer... The positioning mechanism can fix the first mounting seat at a first preset position outside the roller through the first locking structure; and / or, the first support positioning frame further includes a first positioning plate, which is disposed below the second positioning plate. The first positioning plate has a plurality of vertically extending second positioning holes for positioning the first mounting seat; the second locking structure includes a third positioning hole for positioning the second mounting seat. The third positioning hole is disposed on the second positioning plate and extends vertically through the second positioning plate. The third positioning holes of the plurality of second locking structures correspond one-to-one with the plurality of second positioning holes, and the third positioning holes are offset from the corresponding second positioning holes by a first preset dimension.

[0011] In some embodiments, the third external positioning mechanism includes a plurality of circumferentially spaced positioning blocks, the positioning blocks being disposed above the second external positioning mechanism and capable of supporting the third mounting seat at a third preset position outside the roller; the fourth external positioning mechanism includes a plurality of circumferentially spaced second support positioning frames, the second support positioning frames including a third positioning plate, the third positioning plate being disposed above the positioning blocks, the third positioning plate and the positioning blocks being capable of positioning and fixing the third mounting seat at the third preset position outside the roller by a plurality of third locking structures; and / or, the third locking structures are configured to offset the mounting hole of the third mounting seat by a second preset dimension relative to the mounting hole of the second mounting seat.

[0012] In some embodiments, the third locking structure includes a fifth positioning hole, a sixth positioning hole, and a third positioning pin. The fifth positioning hole is disposed on the top of the positioning block and extends vertically. The sixth positioning hole is disposed on the third positioning plate and extends vertically through it. The third positioning pin can be detachably coaxially inserted into the sixth positioning hole, one of the mounting holes of the third mounting base, and the fifth positioning hole to position the third mounting base. And / or, the second support positioning frame further includes a fourth positioning plate and a plurality of second support rods. The fourth positioning plate is disposed above the third positioning plate and is fixedly connected to the third positioning plate through the second support rods. The fourth positioning plate can support the fourth mounting base at a fourth preset position of the roller. And / or, the top of the positioning block is provided with a plurality of spaced-apart and vertically extending fifth positioning holes for positioning the third mounting base. The third locking structure includes a fourth positioning hole for positioning the second mounting base. The fourth positioning hole is disposed on the bottom of the positioning block and extends vertically. The fourth positioning holes of the plurality of second locking structures correspond one-to-one with the plurality of fifth positioning holes, and the fourth positioning holes are offset from the corresponding fifth positioning holes by a second preset dimension.

[0013] In some embodiments, the fourth external positioning mechanism includes a plurality of circumferentially spaced second support positioning frames, each second support positioning frame including a fourth positioning plate disposed above the third external positioning mechanism. The fourth positioning plate is capable of supporting the third mounting seat at a fourth preset position outside the roller. The fourth positioning plate is positioned and fixed at the fourth preset position outside the roller by a plurality of fourth locking structures. And / or, the fourth locking structures are configured to offset the mounting holes of the fourth mounting seat by a third preset dimension relative to the mounting holes of the third mounting seat. And / or, the shredding roller welding auxiliary tooling also includes an internal positioning mechanism disposed on the reference surface of the first external positioning mechanism. The internal positioning mechanism is capable of being accommodated inside the roller. The internal positioning mechanism is configured to support the first rib and the second rib at a fifth preset position and a sixth preset position inside the roller, respectively.

[0014] In some embodiments, the fourth locking structure includes a seventh positioning hole and a fourth positioning pin. The seventh positioning hole is disposed in the fourth positioning plate and extends vertically through it. The fourth positioning pin can be detachably coaxially inserted into one of the mounting holes and the seventh positioning hole of the third mounting base to position the fourth mounting base. And / or, the second support positioning frame further includes a third positioning plate and a plurality of second support rods. The third positioning plate is disposed below the fourth positioning plate and is fixedly connected to the fourth positioning plate via the second support rods. The third positioning plate and the third external positioning mechanism can position and fix the third mounting base at a fourth preset position outside the roller via the third locking structure. And / or, the second support positioning frame further includes a third positioning plate, which is disposed above the fourth positioning plate. The fourth positioning plate has a plurality of vertically extending... The fourth locking structure includes a sixth positioning hole for positioning the third mounting base; the seventh positioning hole is located on the fourth positioning plate and extends vertically through it; the seventh positioning holes of the multiple fourth locking structures correspond one-to-one with the multiple sixth positioning holes, and the seventh positioning holes are offset from the corresponding sixth positioning holes by a third preset dimension; and / or, the internal positioning mechanism includes an annular second support platform and multiple positioning rods; the second support platform is located on a reference surface; the multiple positioning rods are circumferentially spaced; the positioning rods include a first rod segment and a second rod segment; the first rod segment is installed on the second support platform and extends vertically; all first rod segments can support the second rib plate at a sixth preset position; the second rod segment is detachably installed on the top of the first rod segment; all second rod segments can support the first rib plate at a fifth preset position.

[0015] The above-mentioned technical solution of this utility model has the following beneficial effects: The second and first external positioning mechanisms can fix the first mounting seat at a first preset position outside the roller via a first locking structure. The third and second external positioning mechanisms can fix the second mounting seat at a second preset position outside the roller via a second locking structure. The fourth and third external positioning mechanisms can fix the third mounting seat at a third preset position outside the roller via a third locking structure. The fourth external positioning mechanism can also fix the fourth mounting seat at a fourth preset position outside the roller via a fourth locking structure. Therefore, these four mounting seats can be accurately positioned and fixed at their respective preset positions on the roller. These four mounting seats will not shift during the welding process, effectively preventing the increase of dimensional deviation and the reduction of installation accuracy. Therefore, the auxiliary tooling for welding the shredding roller of this utility model can prevent the mounting seats from shifting during the welding process, thereby effectively avoiding the problems of increased dimensional deviation and reduced installation accuracy. Attached Figure Description

[0016] Figure 1This is a three-dimensional schematic diagram of the shredding roller; Figure 2 This is a front view schematic diagram of the shredding roller; Figure 3 This is a cross-sectional schematic diagram of the shredding roller; Figure 4 This is a schematic diagram of the welding auxiliary tooling for the shredding roller positioning and fixing the mounting base in one embodiment of this utility model; Figure 5 This is a three-dimensional schematic diagram of the first external positioning mechanism in one embodiment of the present invention; Figure 6 This is a three-dimensional schematic diagram of the first support positioning frame in one embodiment of the present invention; Figure 7 and Figure 8 This is a three-dimensional schematic diagram of the positioning block in one embodiment of the present invention; Figure 9 This is a three-dimensional schematic diagram of the second support positioning frame in one embodiment of the present invention; Figure 10 This is a three-dimensional schematic diagram of the internal positioning mechanism in one embodiment of the present invention; Figure 11 This is a schematic diagram of the internal positioning mechanism positioning the first rib in one embodiment of the present invention; Figure 12 This is a schematic diagram of the internal positioning mechanism positioning the second rib in one embodiment of the present invention.

[0017] Explanation of reference numerals in the attached figures 1. Shredding roller; 11. Roller; 12. Rib; 121. First rib; 122. Second rib; 13. Mounting seat; 131. First mounting seat; 132. Second mounting seat; 133. Third mounting seat; 134. Fourth mounting seat; 135. Mounting hole; 14. Side plate; 2. First external positioning mechanism; 21. Positioning base; 211. Reference surface; 212. Base; 213. First support platform; 22. First positioning hole; 23. First positioning pin; 3. Second external positioning mechanism; 31. First support positioning frame; 311. First positioning plate; 312. First support rod; 313. Second positioning plate; 32. Second positioning hole; 33. Third positioning hole; 34. Second positioning pin; 4. Third external positioning mechanism; 41. Positioning block; 42. Fourth positioning hole; 43. Fifth positioning hole; 44. Third positioning pin; 5. Fourth external positioning mechanism; 51. Second support positioning frame; 511. Third positioning plate; 512. Second support rod; 513. Fourth positioning plate; 52. Sixth positioning hole; 53. Seventh positioning hole; 54. Fourth positioning pin; 6. Internal positioning mechanism; 61. Second support platform; 62. Positioning rod; 621. First rod segment; 622. Second rod segment. Detailed Implementation

[0018] The features and exemplary embodiments of various aspects of this utility model will now be described in detail. To make the objectives, technical solutions, and advantages of this utility model clearer, the following description, in conjunction with the accompanying drawings and specific embodiments, will provide a further detailed description. It should be understood that the specific embodiments described herein are intended only to explain this utility model and not to limit it. For those skilled in the art, this utility model can be implemented without some of these specific details. The following description of the embodiments is merely to provide a better understanding of this utility model by illustrating examples of it.

[0019] like Figure 4 As shown, this utility model provides an auxiliary tooling for welding a shredding roller. The auxiliary tooling includes, from bottom to top, a first external positioning mechanism 2, a second external positioning mechanism 3, a third external positioning mechanism 4, and a fourth external positioning mechanism 5, all of which are detachable. The first external positioning mechanism 2 has a horizontally arranged reference surface 211 for vertically positioning the roller 11. The second external positioning mechanism 3 and the first external positioning mechanism 2 can fix the first mounting seat 131 at a first preset position outside the roller 11 via a first locking structure. The third external positioning mechanism 4 and the second external positioning mechanism 3 can fix the second mounting seat 132 at a second preset position outside the roller 11 via a second locking structure. The fourth external positioning mechanism 5 and the third external positioning mechanism 4 can fix the third mounting seat 133 at a third preset position outside the roller 11 via a third locking structure. The fourth external positioning mechanism 5 can also fix the fourth mounting seat 134 at a fourth preset position outside the roller 11 via a fourth locking structure.

[0020] Specifically, when using this shredding roller welding auxiliary tooling to assist in the manufacturing of shredding roller 1, the following multiple steps need to be performed.

[0021] The first step is to position the roller 11. The roller 11 is placed upright on the reference surface 211 of the first external positioning mechanism 2.

[0022] The second step is to position and fix the first mounting base 131. The first mounting base 131 is placed on the roller 11 and then placed on the first external positioning mechanism 2. At this time, the first external positioning mechanism 2 can support the first mounting base 131 at the first preset position. Then, the second external positioning mechanism 3 is installed. The second external positioning mechanism 3 and the first external positioning mechanism 2 cooperate through the first locking mechanism to position and fix the first mounting base 131 at the first preset position of the roller 11, preventing the first mounting base 131 from shifting.

[0023] The third step is to position and fix the second mounting base 132. The second mounting base 132 is fitted onto the roller 11 and placed on the second external positioning mechanism 3. At this point, the second external positioning mechanism 3 can support the first mounting base 131 at the second preset position. Then, the third external positioning mechanism 4 is installed. The third external positioning mechanism 4 and the second external positioning mechanism 3 cooperate through the second locking structure to position and fix the second mounting base 132 at the second preset position on the roller 11, preventing displacement of the second mounting base 132.

[0024] The fourth step is to position and fix the third mounting base 133. The third mounting base 133 is fitted onto the roller 11 and placed on the third external positioning mechanism 4. At this point, the third external positioning mechanism 4 can support the third mounting base 133 at the third preset position. Then, the fourth external positioning mechanism 5 is installed. The fourth external positioning mechanism 5 and the third external positioning mechanism 4 cooperate through the third locking structure to position and fix the third mounting base 133 at the third preset position on the roller 11, preventing displacement of the third mounting base 133.

[0025] The fifth step is to position and fix the fourth mounting seat 134. The fourth mounting seat 134 is placed on the roller 11 and placed on the fourth external positioning mechanism 5. The fourth mounting seat 134 is then positioned and fixed at the fourth preset position on the roller 11 by the fourth locking structure to prevent the fourth mounting seat 134 from shifting.

[0026] Step 6: Welding mounting base 13. The first mounting base 131, the second mounting base 132, the third mounting base 133 and the fourth mounting base 134 are welded and fixed in sequence, and the shredding roller 1 is completed in welding manufacturing.

[0027] Step 7: Dismantle the tooling. Following a top-to-bottom order, dismantle the fourth external positioning mechanism 5, the third external positioning mechanism 4, the second external positioning mechanism 3, and the first external positioning mechanism 2 in sequence. This completes the manufacturing process of the shredding roller 1.

[0028] In this embodiment, the second external positioning mechanism 3 and the first external positioning mechanism 2 can position and fix the first mounting seat 131 at a first preset position outside the roller 11 through the first locking structure. The third external positioning mechanism 4 and the second external positioning mechanism 3 can position and fix the second mounting seat 132 at a second preset position outside the roller 11 through the second locking structure. The fourth external positioning mechanism 5 and the third external positioning mechanism 4 can position and fix the third mounting seat 133 at a third preset position outside the roller 11 through the third locking structure. The fourth external positioning mechanism 5 can also position and fix the fourth mounting seat 134 at a fourth preset position outside the roller 11 through the fourth locking structure. Therefore, these four mounting seats 13 can be accurately positioned and fixed at their respective preset positions on the roller 11. These four mounting seats 13 will not shift during the welding process, effectively preventing the increase of dimensional deviation and the reduction of installation accuracy of the mounting seats 13. Therefore, by using the shredding roller welding auxiliary tooling of this utility model, the displacement of the mounting seats 13 during the welding process can be prevented, thereby effectively avoiding the problems of increased dimensional deviation and reduced installation accuracy of the mounting seats 13.

[0029] In addition, the first external positioning mechanism 2, the second external positioning mechanism 3, the third external positioning mechanism 4 and the fourth external positioning mechanism 5 are actually configured as standard devices with standard dimensions. Therefore, the staff can directly use these four external positioning mechanisms to position and fix each mounting base 13 in the corresponding preset position without having to repeatedly measure and correct the installation position of the mounting base 13. This helps to reduce the workload of the staff and also helps to improve work efficiency.

[0030] In some embodiments, a vertical placement area for the vertically placed roller 11 is provided on the reference surface 211. A first positioning area is formed between the first external positioning mechanism 2 and the second external positioning mechanism 3, which can be distributed around the vertical placement area. A first mounting base 131 can be positioned and fixed in the first positioning area. The first positioning area corresponds to a first preset position of the roller 11, so that the first mounting base 131 can be installed at the first preset position. In some embodiments, a second positioning area is formed between the second external positioning mechanism 3 and the third external positioning mechanism 4, which can be distributed around the vertical placement area. A second mounting base 132 can be positioned and fixed in the second positioning area. The second positioning area corresponds to a second preset position of the roller 11, so that the second mounting base 132 can be installed at the second preset position. In some embodiments, a third positioning area is formed between the third external positioning mechanism 4 and the fourth external positioning mechanism 5, which can be distributed around the vertical placement area. A third mounting base 133 can be positioned and fixed in the third positioning area. The third positioning area corresponds to a third preset position of the roller 11, so that the third mounting base 133 can be installed at the third preset position. In some embodiments, the top of the fourth external positioning mechanism 5 forms a fourth positioning area that can be distributed around the upright placement area, and the fourth mounting base 134 can be positioned and fixed in the fourth positioning area. The fourth positioning area corresponds to the fourth preset position of the roller 11 so that the fourth mounting base 134 can be installed at the fourth preset position.

[0031] like Figures 4 to 6 As shown, in some embodiments of this utility model, the first external positioning mechanism 2 includes a positioning base 21 capable of supporting the first mounting seat 131 at a first preset position; the second external positioning mechanism 3 includes a plurality of circumferentially spaced first support positioning frames 31, each first support positioning frame 31 including a first positioning plate 311, the first positioning plate 311 being disposed above the positioning base 21, and the first positioning plate 311 and the positioning base 21 being able to position and fix the first mounting seat 131 at the first preset position outside the roller 11 through a plurality of first locking structures.

[0032] Specifically, during the manufacturing process of the shredding roller 1, the roller 11 is placed upright on the positioning base 21, and then the first mounting seat 131 is fitted onto the roller 11 and placed on the positioning base 21. The positioning base 21 can support the first mounting seat 131 at a certain height so that the first mounting seat 131 is supported at a first preset position. Then, the first support positioning frame 31 is installed so that the first positioning plate 311 and the positioning base 21 are positioned and fixed at the first preset position of the roller 11 through multiple first locking structures, thereby fixing the first mounting seat 131 in position.

[0033] In some embodiments, the number of first support positioning frames 31 is three, and these three first support positioning frames 31 can be evenly distributed around the roller 11.

[0034] like Figures 4 to 6 As shown, in some embodiments of this utility model, the first locking structure includes a first positioning hole 22, a second positioning hole 32, and a first positioning pin 23. The first positioning hole 22 is disposed in the positioning base 21 and extends vertically through it; the second positioning hole 32 is disposed in the first positioning plate 311 and extends vertically through it; the first positioning pin 23 can be detachably coaxially inserted into the second positioning hole 32, one of the mounting holes 135 of the first mounting base 131, and the first positioning hole 22 to position the first mounting base 131.

[0035] Specifically, when positioning and fixing the first mounting base 131, the first mounting base 131 is sleeved on the roller 11 and placed on the positioning base 21; then the first positioning plate 311 of the first support positioning frame 31 is placed on the top surface of the first mounting base 131, and the second positioning hole 32 on the first positioning plate 311, one of the mounting holes 135 of the first mounting base 131, and the first positioning hole 22 on the positioning base 21 are aligned in the vertical direction; then the first positioning pin 23 is inserted from top to bottom into the second positioning hole 32, the mounting hole 135, and the first positioning hole 22, and the axes of the first positioning pin 23, the second positioning hole 32, the mounting hole 135, and the first positioning hole 22 coincide, at which point the first mounting base 131 is positioned and fixed at the first preset position.

[0036] like Figure 4 and Figure 6 As shown, in some embodiments of this utility model, the first support positioning frame 31 further includes a second positioning plate 313 and a plurality of first support rods 312. The second positioning plate 313 is disposed above the first positioning plate 311. The second positioning plate 313 can support the second mounting base 132 at a second preset position, and the second positioning plate 313 is fixedly connected to the first positioning plate 311 through the first support rods 312.

[0037] Specifically, the first support positioning frame 31 is configured with this structure, which is simple and easy to assemble and disassemble.

[0038] In some embodiments, the first positioning plate 311 and the second positioning plate 313 are arc-shaped plates so as to mate with the mounting base 13.

[0039] like Figure 5As shown, in some embodiments of this utility model, the positioning base 21 includes an annular base 212, the top surface of the base 212 is configured as a reference surface 211, and the reference surface 211 is coaxially provided with a first support platform 213 for placing the first mounting seat 131. The first support platform 213 can support the first mounting seat 131 at a first preset position, and the first positioning hole 22 extends vertically through the base 212 and the first support platform 213.

[0040] Specifically, the first support platform 213 is arranged in a ring shape, with its axis coinciding with the axis of the base 212. The width of the first support platform 213 is smaller than the width of the base 212, and the inner diameter of the first support platform 213 is larger than the outer diameter of the roller 11. When positioning and fixing the first mounting seat 131, the first mounting seat 131 is fitted onto the roller 11 and placed on the top surface of the first support platform 213. The first support platform 213 can support the first mounting seat 131 to a certain height, so that the first mounting seat 131 is supported at a first preset position.

[0041] like Figure 4 , Figure 6 and Figure 7 As shown, in some embodiments of this utility model, the second external positioning mechanism 3 includes a plurality of circumferentially spaced first support positioning frames 31, each first support positioning frame 31 including a second positioning plate 313 capable of supporting the second mounting seat 132 at a second preset position, the second positioning plate 313 being disposed above the first external positioning mechanism 2; the third external positioning mechanism 4 includes a plurality of circumferentially spaced positioning blocks 41, the positioning blocks 41 being disposed above the second positioning plate 313, the positioning blocks 41 and the second positioning plate 313 being able to position and fix the second mounting seat 132 at a second preset position outside the roller 11 through a plurality of second locking structures.

[0042] Specifically, after the roller 11 is placed on the reference surface 211 of the first external positioning mechanism 2 and the first support positioning frame 31 is installed, the second mounting seat 132 is sleeved on the roller 11 and placed on the second positioning plate 313 of the first support positioning frame 31. The first support positioning frame 31 can support the second mounting seat 132 to a certain height so that the second mounting seat 132 is supported at the second preset position. Then, the positioning block 41 is installed so that the positioning block 41 and the second positioning plate 313 fix the second mounting seat 132 at the second preset position of the roller 11 through multiple second locking structures, thereby fixing the second mounting seat 132 in position.

[0043] In some embodiments, the positioning block 41 is an arc-shaped block component so as to mate with the mounting base 13.

[0044] In some embodiments of the present invention, the second locking structure is configured to offset the mounting hole 135 of the second mounting base 132 from the mounting hole 135 of the first mounting base 131 by a first preset dimension a.

[0045] Specifically, the mounting holes 135 of adjacent mounting bases 13 need to be offset by a preset size so that the cutting blade mounted on the mounting base 13 can be at a preset tilt angle. In the traditional manufacturing process, the mounting holes 135 of adjacent mounting bases 13 are offset by a preset size through repeated manual measurement and correction, which is tedious and inefficient. However, the second locking structure in this embodiment can directly offset the mounting holes 135 of the second mounting base 132 relative to the mounting holes 135 of the first mounting base 131 by a first preset size a, eliminating the need for repeated manual measurement and correction, and improving production efficiency.

[0046] like Figure 4 , Figure 6 and Figure 7 As shown, in some embodiments of this utility model, the second locking structure includes a third positioning hole 33, a fourth positioning hole 42, and a second positioning pin 34. The third positioning hole 33 is disposed in the second positioning plate 313 and extends vertically through it; the fourth positioning hole 42 is disposed at the bottom of the positioning block 41 and extends vertically; the second positioning pin 34 can be detachably coaxially inserted into the third positioning hole 33, one of the mounting holes 135 of the second mounting base 132, and the fourth positioning hole 42 to position the second mounting base 132.

[0047] Specifically, after the roller 11 is placed on the reference surface 211 of the first external positioning mechanism 2 and the first support positioning frame 31 is installed, the second mounting seat 132 is fitted onto the roller 11 and placed on the top surface of the second positioning plate 313; then the positioning block 41 is placed on the top surface of the first mounting seat 131, and the third positioning hole 33 on the second positioning plate 313, one of the mounting holes 135 on the second mounting seat 132 and the fourth positioning hole 42 on the positioning block 41 are aligned in the vertical direction; then the second positioning pin 34 is inserted from bottom to top into the third positioning hole 33, the mounting hole 135 and the fourth positioning hole 42, and the axes of the second positioning pin 34, the third positioning hole 33, the mounting hole 135 and the fourth positioning hole 42 coincide, at which time the second mounting seat 132 is positioned and fixed at the second preset position.

[0048] like Figure 4 and Figure 6As shown, in some embodiments of this utility model, the first support positioning frame 31 further includes a first positioning plate 311 and a plurality of first support rods 312. The first positioning plate 311 is disposed below the second positioning plate 313, and the first positioning plate 311 is fixedly connected to the second positioning plate 313 through the first support rods 312. The first positioning plate 311 and the first external positioning mechanism 2 can fix the first mounting seat 131 at a first preset position outside the roller 11 through the first locking structure.

[0049] Specifically, the first support positioning frame 31 is configured with this structure, which is simple and easy to assemble and disassemble.

[0050] like Figure 4 and Figure 6 As shown, in some embodiments of this utility model, the first support positioning frame 31 further includes a first positioning plate 311, which is disposed below the second positioning plate 313. The first positioning plate 311 is provided with a plurality of vertically extending second positioning holes 32 for positioning the first mounting base 131. The second locking structure includes a third positioning hole 33 for positioning the second mounting base 132. The third positioning hole 33 is disposed on the second positioning plate 313 and extends vertically. The third positioning holes 33 of the plurality of second locking structures correspond one-to-one with the plurality of second positioning holes 32, and the third positioning holes 33 and the corresponding second positioning holes 32 are offset by a first preset dimension a.

[0051] Specifically, after the first mounting base 131 is positioned and fixed, the mounting hole 135 of the first mounting base 131 will be aligned with the second positioning hole 32 of the first positioning plate 311; after the second mounting base 132 is positioned on the second positioning plate 313 (by inserting the second positioning pin 34), the mounting hole 135 of the second mounting base 132 will be aligned with the third positioning hole 33 of the second positioning plate 313. Since the third positioning hole 33 is offset from the corresponding second positioning hole 32 by a first preset dimension a, the mounting hole 135 of the second mounting base 132 can also be offset from the mounting hole 135 of the first mounting base 131 by a first preset dimension a, without the need for repeated manual measurement and correction.

[0052] like Figure 4 , Figure 6 , Figure 7 and Figure 8As shown, in some embodiments of this utility model, the third external positioning mechanism 4 includes a plurality of circumferentially spaced positioning blocks 41. The positioning blocks 41 are disposed above the second external positioning mechanism 3 and can support the third mounting seat 133 at a third preset position outside the roller 11. The fourth external positioning mechanism 5 includes a plurality of circumferentially spaced second support positioning frames 51. The second support positioning frames 51 include a third positioning plate 511. The third positioning plate 511 is disposed above the positioning blocks 41. The third positioning plate 511 and the positioning blocks 41 can fix the third mounting seat 133 at the third preset position outside the roller 11 through a plurality of third locking structures.

[0053] Specifically, after the roller 11 is placed on the reference surface 211 of the first external positioning mechanism 2, and the first support positioning frame 31 and the positioning block 41 are installed, the third mounting seat 133 is sleeved on the roller 11 and placed on the top surface of the positioning block 41. The positioning block 41 can support the third mounting seat 133 at a certain height so that the third mounting seat 133 is supported at the third preset position. Then, the second support positioning frame 51 is installed so that the third positioning plate 511 and the positioning block 41 of the second support positioning frame 51 fix the third mounting seat 133 at the third preset position of the roller 11 through multiple second locking structures, thereby fixing the third mounting seat 133 in position.

[0054] In some embodiments, the number of second support positioning frames 51 is three, and these three second support positioning frames 51 can be evenly distributed around the roller 11.

[0055] In some embodiments of this utility model, the third locking structure is configured to offset the mounting hole 135 of the third mounting base 133 from the mounting hole 135 of the second mounting base 132 by a second preset dimension b, so that repeated manual measurement and correction are not required, thereby improving production efficiency.

[0056] like Figure 4 , Figure 7 , Figure 8 and Figure 9 As shown, in some embodiments of this utility model, the third locking structure includes a fifth positioning hole 43, a sixth positioning hole 52, and a third positioning pin 44. The fifth positioning hole 43 is disposed on the top of the positioning block 41 and extends vertically; the sixth positioning hole 52 is disposed on the third positioning plate 511 and extends vertically through it; the third positioning pin 44 can be detachably coaxially inserted into the sixth positioning hole 52, one of the mounting holes 135 of the third mounting base 133, and the fifth positioning hole 43 to position the third mounting base 133.

[0057] Specifically, after the roller 11 is placed on the reference surface 211 of the first external positioning mechanism 2 and the first support positioning frame 31 and positioning block 41 are installed, the third mounting seat 133 is fitted onto the roller 11 and placed on the top surface of the positioning block 41; then the third positioning plate 511 of the second support positioning frame 51 is placed on the top surface of the third mounting seat 133, and the sixth positioning hole 52 on the third positioning plate 511, one of the mounting holes 135 of the third mounting seat 133 and the fifth positioning hole 43 on the positioning block 41 are aligned in the vertical direction; then the third positioning pin 44 is inserted from top to bottom into the sixth positioning hole 52, the mounting hole 135 and the fifth positioning hole 43, and the axes of the third positioning pin 44, the sixth positioning hole 52, the mounting hole 135 and the fifth positioning hole 43 coincide, at which time the third mounting seat 133 is positioned and fixed at the third preset position.

[0058] like Figure 4 and Figure 9 As shown, in some embodiments of this utility model, the second support positioning frame 51 further includes a fourth positioning plate 513 and a plurality of second support rods 512. The fourth positioning plate 513 is disposed above the third positioning plate 511, and the fourth positioning plate 513 is fixedly connected to the third positioning plate 511 through the second support rods 512. The fourth positioning plate 513 can support the fourth mounting seat 134 at the fourth preset position of the roller 11.

[0059] Specifically, the second support positioning frame 51 is configured with this structure, which is simple and easy to assemble and disassemble.

[0060] In some embodiments, the third positioning plate 511 and the fourth positioning plate 513 are arc-shaped plates to mate with the mounting base 13.

[0061] like Figure 4 , Figure 7 , Figure 8 and Figure 9 As shown, in some embodiments of this utility model, the top of the positioning block 41 is provided with a plurality of fifth positioning holes 43 that are spaced apart and extend vertically. The fifth positioning holes 43 are used to position the third mounting base 133. The third locking structure includes a fourth positioning hole 42 for positioning the second mounting base 132. The fourth positioning hole 42 is provided at the bottom of the positioning block 41 and extends vertically. The fourth positioning holes 42 of the plurality of second locking structures correspond one-to-one with the plurality of fifth positioning holes 43, and the fourth positioning holes 42 and the corresponding fifth positioning holes 43 are offset by a second preset dimension b.

[0062] Specifically, after the second mounting base 132 is positioned and fixed, the mounting hole 135 of the second mounting base 132 will be aligned with the fourth positioning hole 42 of the positioning block 41; after the third mounting base 133 is positioned on the positioning block 41 (by inserting the third positioning pin 44), the mounting hole 135 of the third mounting base 133 will be aligned with the fifth positioning hole 43 of the positioning block 41. Since the fourth positioning hole 42 and the corresponding fifth positioning hole 43 are offset by a second preset dimension b, the mounting hole 135 of the third mounting base 133 can also be offset by a second preset dimension b relative to the mounting hole 135 of the second mounting base 132, without the need for repeated manual measurement and correction.

[0063] like Figure 4 and Figure 9 As shown, in some embodiments of this utility model, the fourth external positioning mechanism 5 includes a plurality of second support positioning frames 51 distributed circumferentially. The second support positioning frame 51 includes a fourth positioning plate 513. The fourth positioning plate 513 is disposed above the third external positioning mechanism 4. The fourth positioning plate 513 can support the third mounting seat 133 at a fourth preset position outside the roller 11. The fourth positioning plate 513 fixes the third mounting seat 133 at the fourth preset position outside the roller 11 through a plurality of fourth locking structures.

[0064] Specifically, when the roller 11 is placed on the reference surface 211 of the first external positioning mechanism 2, and after the first support positioning frame 31, the positioning block 41 and the second support positioning frame 51 are installed, the fourth mounting seat 134 is sleeved on the roller 11 and placed on the top surface of the fourth positioning plate 513. The fourth positioning plate 513 can support the fourth mounting seat 134 to a certain height so that the fourth mounting seat 134 is supported at the fourth preset position. Then, the fourth locking structure is used to position and fix the fourth mounting seat 134 at the fourth preset position of the roller 11, so that the fourth mounting seat 134 is positioned and fixed.

[0065] In some embodiments of this utility model, the fourth locking structure is configured to offset the mounting hole 135 of the fourth mounting base 134 from the mounting hole 135 of the third mounting base 133 by a third preset dimension c, so that repeated manual measurement and correction are not required, thereby improving production efficiency.

[0066] like Figure 4 and Figure 9 As shown, in some embodiments of this utility model, the fourth locking structure includes a seventh positioning hole 53 and a fourth positioning pin 54. The seventh positioning hole 53 is disposed in the fourth positioning plate 513 and extends vertically through it. The fourth positioning pin 54 can be detachably coaxially inserted into one of the mounting holes 135 and the seventh positioning hole 53 of the third mounting base 133 to position the fourth mounting base 134.

[0067] Specifically, when the roller 11 is placed on the reference surface 211 of the first external positioning mechanism 2, and the first support positioning frame 31, positioning block 41 and second support positioning frame 51 are installed, the third mounting seat 133 is sleeved on the roller 11 and placed on the top surface of the fourth positioning plate 513, and the seventh positioning hole 53 on the fourth positioning plate 513 and one of the mounting holes 135 of the fourth mounting seat 134 are aligned in the vertical direction; then the fourth positioning pin 54 is inserted from top to bottom into the seventh positioning hole 53 and the mounting hole 135, and the axes of the fourth positioning pin 54, the seventh positioning hole 53 and the mounting hole 135 coincide, at which time the fourth mounting seat 134 is positioned and fixed at the fourth preset position.

[0068] like Figure 4 and Figure 9 As shown, in some embodiments of this utility model, the second support positioning frame 51 further includes a third positioning plate 511 and a plurality of second support rods 512. The third positioning plate 511 is disposed below the fourth positioning plate 513, and the third positioning plate 511 is fixedly connected to the fourth positioning plate 513 through the second support rods 512. The third positioning plate 511 and the third external positioning mechanism 4 can fix the third mounting seat 133 at a fourth preset position outside the roller 11 through the third locking structure.

[0069] Specifically, the second support positioning frame 51 is configured with this structure, which is simple and easy to assemble and disassemble.

[0070] like Figure 4 and Figure 9 As shown, in some embodiments of this utility model, the second support positioning frame 51 further includes a third positioning plate 511, which is disposed above the fourth positioning plate 513. The fourth positioning plate 513 is provided with a plurality of vertically extending sixth positioning holes 52 for positioning the third mounting base 133. The fourth locking structure includes a seventh positioning hole 53 for positioning the fourth mounting base 134. The seventh positioning hole 53 is disposed on the fourth positioning plate 513 and extends vertically. The seventh positioning holes 53 of the plurality of fourth locking structures correspond one-to-one with the plurality of sixth positioning holes 52, and the seventh positioning holes 53 and the corresponding sixth positioning holes 52 are offset by a third preset dimension c.

[0071] Specifically, after the third mounting base 133 is positioned and fixed, the mounting hole 135 of the third mounting base 133 will be aligned with the sixth positioning hole 52 of the third positioning plate 511; after the fourth mounting base 134 is positioned on the fourth positioning plate 513 (by inserting the fourth positioning pin 54), the mounting hole 135 of the fourth mounting base 134 will be aligned with the seventh positioning hole 53 of the fourth positioning plate 513. Since the sixth positioning hole 52 and the corresponding seventh positioning hole 53 are offset by a third preset dimension c, the mounting hole 135 of the fourth mounting base 134 can also be offset by a third preset dimension c relative to the mounting hole 135 of the third mounting base 133, without the need for repeated manual measurement and correction.

[0072] like Figure 10 As shown, in some embodiments of this utility model, the welding auxiliary tooling for the shredding roller also includes an internal positioning mechanism 6. The internal positioning mechanism 6 is disposed on the reference surface 211 of the first external positioning mechanism 2. The internal positioning mechanism 6 can be accommodated inside the roller 11. The internal positioning mechanism 6 is configured to support the first rib 121 and the second rib 122 at the fifth preset position and the sixth preset position in the roller 11, respectively.

[0073] Specifically, by operating the internal positioning mechanism 6, the first rib 121 and the second rib 122 can be positioned at the fifth and sixth preset positions inside the roller 11, respectively, which facilitates welding and also reduces the dimensional error and installation accuracy of the first rib 121 and the second rib 122.

[0074] like Figure 10 As shown, in some embodiments of this utility model, the internal positioning mechanism 6 includes an annular second support platform 61 and a plurality of positioning rods 62. The second support platform 61 is disposed on the reference surface 211, and the plurality of positioning rods 62 are circumferentially spaced. Each positioning rod 62 includes a first rod segment 621 and a second rod segment 622. The first rod segment 621 is installed on the second support platform 61 and extends vertically. All first rod segments 621 can support the second rib plate 122 at a sixth preset position. The second rod segment 622 is detachably installed on the top end of the first rod segment 621. All second rod segments 622 can support the first rib plate 121 at a fifth preset position.

[0075] Specifically, when it is necessary to weld the first rib 121 and the second rib 122, such as Figure 11As shown, first, the second support platform 61 is placed on the reference surface 211, and then the first rib 121 is placed at the top of the positioning rod 62 (actually the top of the second rod segment 622); then the roller 11 is placed on the reference surface 211, and the internal positioning mechanism 6 is located in the roller 11, at which time all the second rod segments 622 can support the first rib 121 at the fifth preset position; then the first rib 121 is welded to the roller 11, so that the first rib 121 is welded to the fifth preset position in the roller 11; then the roller 11 with the first rib 121 welded on it is removed from the reference surface 211; then the second rod segment 622 is removed from the first rod segment 621, and then the second rib 122 is placed at the top of the first rod segment 621; as shown Figure 12 As shown, the roller 11 is then placed on the reference surface 211 again, and the internal positioning mechanism 6 is located in the roller 11. At this time, all the first rod segments 621 can support the second rib 122 at the sixth preset position. Then the second rib 122 is welded to the roller 11 so that the second rib 122 is installed in the sixth preset position in the roller 11. Then the roller 11 with the first rib 121 and the second rib 122 welded on it is removed from the reference surface 211. Then the side plates 14 are welded on both sides of the roller 11 in the axial direction. Then the welding of the four mounting seats 13 begins.

[0076] In some embodiments, the first rod segment 621 and the second rod segment 622 are threaded or plugged together to achieve a detachable connection.

[0077] It should be noted that the first locking structure, the second locking structure, the third locking structure and the fourth locking structure can be any other structural form that can meet the usage requirements of this utility model. For example, the four can be common F-type clamps, C-type clamps, cable ties or clamps, etc. This utility model does not impose any restrictions.

[0078] It should be noted that the first external positioning mechanism 2, the second external positioning mechanism 3, the third external positioning mechanism 4, and the fourth external positioning mechanism 5 can be any other structural form that can meet the usage requirements of this utility model. This utility model does not impose any restrictions. For example, the first external positioning mechanism 2 can be a cylindrical frame structure, the second external positioning mechanism 3 can be an arc-shaped plate, the third external positioning mechanism 4 can be an arc-shaped frame structure, and the fourth external positioning mechanism 5 can be an arc-shaped plate.

[0079] The following is a brief introduction to the use of the auxiliary tooling for welding the shredding roller of this utility model, with reference to the accompanying drawings.

[0080] First, place the roller 11 upright on the reference surface 211 of the base 212. Then, fit the first mounting seat 131 onto the roller 11 and place the first mounting seat 131 on the first support platform 213. Next, evenly place the first support positioning frame 31 on the top surface of the first mounting seat 131, aligning the second positioning hole 32, the mounting hole 135 of the first mounting seat 131, and the first positioning hole 22. Then, insert the first positioning pin 23, and the first mounting seat 131 is positioned and fixed. Next, fit the second mounting seat 132 onto the roller 11 and place the second mounting seat 132 on the top surface of the second positioning plate 313. Then, evenly place the positioning blocks 41 on the top surface of the second mounting seat 132, aligning the third positioning hole 33, the mounting hole 135 of the second mounting seat 132, and the fourth positioning hole 42. Then, insert the second positioning pin 34, and the second mounting seat 132 is positioned and fixed. Then, the third mounting base 133 is fitted onto the roller 11 and placed on the top surface of the positioning block 41. The second support positioning frame 51 is then evenly placed on the top surface of the third mounting base 133, aligning the fifth positioning hole 43, the mounting hole 135 of the third mounting base 133, and the sixth positioning hole 52. The third positioning pin 44 is then inserted, fixing the third mounting base 133 in place. Next, the fourth mounting base 134 is fitted onto the roller 11 and placed on the top surface of the fourth positioning plate 513, aligning the seventh positioning hole 53 with the mounting hole 135 of the third mounting base 133. The fourth positioning pin 54 is then inserted, fixing the fourth mounting base 134 in place. At this point, the four mounting bases 13 are fixed in place, and they are then welded sequentially from bottom to top. After welding is completed, the first positioning pin 23, the second positioning pin 34, the third positioning pin 44 and the fourth positioning pin 54 are pulled out, and the positioning base 21, the first support positioning frame 31, the positioning block 41 and the second support positioning frame 51 can be removed.

[0081] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The above examples are only for the purpose of helping to understand the method and core ideas of this utility model. The above are only preferred embodiments of this utility model. It should be noted that due to the limitations of textual expression, while there are objectively infinite specific structures, those skilled in the art can make several improvements, modifications, or changes without departing from the principles of this utility model, and can also combine the above technical features in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the concept and technical solution of this utility model to other occasions without modification, should all be considered within the protection scope of this utility model.

Claims

1. An auxiliary tooling for welding shredding rollers, characterized in that, It includes a first external positioning mechanism (2), a second external positioning mechanism (3), a third external positioning mechanism (4) and a fourth external positioning mechanism (5) that are distributed sequentially from bottom to top and are detachable. The first external positioning mechanism (2) has a horizontally arranged reference surface (211) for the roller (11) to be placed vertically. The second external positioning mechanism (3) and the first external positioning mechanism (2) can fix the first mounting seat (131) at a first preset position outside the roller (11) through a first locking structure. The third external positioning mechanism (4) and the second external positioning mechanism (3) can fix the second mounting seat (132) at a second preset position outside the roller (11) through a second locking structure. The fourth external positioning mechanism (5) and the third external positioning mechanism (4) can fix the third mounting seat (133) at a third preset position outside the roller (11) through a third locking structure. The fourth external positioning mechanism (5) can also fix the fourth mounting seat (134) at a fourth preset position outside the roller (11) through a fourth locking structure.

2. The auxiliary tooling for welding the shredding roller according to claim 1, characterized in that, The first external positioning mechanism (2) includes a positioning base (21) capable of supporting the first mounting seat (131) at the first preset position; the second external positioning mechanism (3) includes a plurality of circumferentially spaced first support positioning frames (31), each of which includes a first positioning plate (311), which is disposed above the positioning base (21). The first positioning plate (311) and the positioning base (21) can fix the first mounting seat (131) at the first preset position outside the roller (11) through a plurality of first locking structures.

3. The auxiliary tooling for welding the shredding roller according to claim 2, characterized in that, The first locking structure includes a first positioning hole (22), a second positioning hole (32), and a first positioning pin (23). The first positioning hole (22) is disposed in the positioning base (21) and extends vertically through it. The second positioning hole (32) is disposed in the first positioning plate (311) and extends vertically through it. The first positioning pin (23) can be detachably coaxially inserted into the second positioning hole (32), one of the mounting holes (135) of the first mounting base (131), and the first positioning hole (22) to position the first mounting base (131). And / or, the first support positioning frame (31) further includes a second positioning plate (313) and a plurality of first support rods (312). The second positioning plate (313) is disposed above the first positioning plate (311). The second positioning plate (313) can support the second mounting base (132) at the second preset position, and the second positioning plate (313) is fixedly connected to the first positioning plate (311) through the first support rods (312).

4. The auxiliary tooling for welding the shredding roller according to claim 3, characterized in that, The positioning base (21) includes an annular base (212), the top surface of which is set as the reference surface (211), and the reference surface (211) is coaxially provided with a first support platform (213) for placing the first mounting seat (131). The first support platform (213) can support the first mounting seat (131) at the first preset position, and the first positioning hole (22) extends vertically through the base (212) and the first support platform (213).

5. The auxiliary tooling for welding the shredding roller according to claim 1, characterized in that, The second external positioning mechanism (3) includes a plurality of circumferentially spaced first support positioning frames (31), each of which includes a second positioning plate (313) capable of supporting the second mounting seat (132) at the second preset position. The second positioning plate (313) is disposed above the first external positioning mechanism (2). The third external positioning mechanism (4) includes a plurality of circumferentially spaced positioning blocks (41), each of which is disposed above the second positioning plate (313). The positioning blocks (41) and the second positioning plate (313) can fix the second mounting seat (132) at the second preset position outside the roller (11) through a plurality of second locking structures. And / or, the second locking structure is configured to offset the mounting hole (135) of the second mounting base (132) from the mounting hole (135) of the first mounting base (131) by a first preset size.

6. The auxiliary tooling for welding the shredding roller according to claim 5, characterized in that, The second locking structure includes a third positioning hole (33), a fourth positioning hole (42), and a second positioning pin (34). The third positioning hole (33) is disposed in the second positioning plate (313) and extends vertically through it. The fourth positioning hole (42) is disposed at the bottom of the positioning block (41) and extends vertically. The second positioning pin (34) can be detachably coaxially inserted into the third positioning hole (33), one of the mounting holes (135) of the second mounting base (132), and the fourth positioning hole (42) to position the second mounting base (132). And / or, the first support positioning frame (31) further includes a first positioning plate (311) and a plurality of first support rods (312), the first positioning plate (311) is disposed below the second positioning plate (313), and the first positioning plate (311) is fixedly connected to the second positioning plate (313) through the first support rods (312); the first positioning plate (311) and the first external positioning mechanism (2) can fix the first mounting seat (131) at a first preset position outside the roller (11) through the first locking structure; And / or, the first support positioning frame (31) further includes a first positioning plate (311), the first positioning plate (311) is disposed below the second positioning plate (313), the first positioning plate (311) is provided with a plurality of vertically extending second positioning holes (32) for positioning the first mounting base (131); the second locking structure includes a third positioning hole (33) for positioning the second mounting base (132), the third positioning hole (33) is disposed on the second positioning plate (313) and extends vertically, the plurality of third positioning holes (33) of the second locking structure correspond one-to-one with the plurality of second positioning holes (32), and the third positioning hole (33) is offset from the corresponding second positioning hole (32) by a first preset size.

7. The auxiliary tooling for welding the shredding roller according to claim 1, characterized in that, The third external positioning mechanism (4) includes a plurality of circumferentially spaced positioning blocks (41), which are positioned above the second external positioning mechanism (3) and can support the third mounting base (133) at a third preset position outside the roller (11); the fourth external positioning mechanism (5) includes a plurality of circumferentially spaced second support positioning frames (51), which include a third positioning plate (511), which is positioned above the positioning block (41), and the third positioning plate (511) and the positioning block (41) can fix the third mounting base (133) at a third preset position outside the roller (11) through a plurality of third locking structures; And / or, the third locking structure is configured to offset the mounting hole (135) of the third mounting base (133) from the mounting hole (135) of the second mounting base (132) by a second preset size.

8. The auxiliary tooling for welding the shredding roller according to claim 7, characterized in that, The third locking structure includes a fifth positioning hole (43), a sixth positioning hole (52), and a third positioning pin (44). The fifth positioning hole (43) is located on the top of the positioning block (41) and extends vertically. The sixth positioning hole (52) is located on the third positioning plate (511) and extends vertically through it. The third positioning pin (44) can be detachably coaxially inserted into the sixth positioning hole (52), one of the mounting holes (135) of the third mounting base (133), and the fifth positioning hole (43) to position the third mounting base (133). And / or, the second support positioning frame (51) further includes a fourth positioning plate (513) and a plurality of second support rods (512), the fourth positioning plate (513) being disposed above the third positioning plate (511), the fourth positioning plate (513) being fixedly connected to the third positioning plate (511) via the second support rods (512); the fourth positioning plate (513) is capable of supporting the fourth mounting base (134) at a fourth preset position on the roller (11); And / or, the top of the positioning block (41) is provided with a plurality of fifth positioning holes (43) that are spaced apart and extend vertically, the fifth positioning holes (43) being used to position the third mounting base (133); the third locking structure includes a fourth positioning hole (42) for positioning the second mounting base (132), the fourth positioning hole (42) being provided at the bottom of the positioning block (41) and extending vertically, the plurality of fourth positioning holes (42) of the second locking structure corresponding one-to-one with the plurality of fifth positioning holes (43), and the fourth positioning hole (42) and the corresponding fifth positioning hole (43) being offset by a second preset size.

9. The auxiliary tooling for welding the shredding roller according to claim 1, characterized in that, The fourth external positioning mechanism (5) includes a plurality of second support positioning frames (51) distributed circumferentially. The second support positioning frame (51) includes a fourth positioning plate (513). The fourth positioning plate (513) is disposed above the third external positioning mechanism (4). The fourth positioning plate (513) can support the third mounting seat (133) at a fourth preset position outside the roller (11). The fourth positioning plate (513) fixes the third mounting seat (133) at the fourth preset position outside the roller (11) through a plurality of fourth locking structures. And / or, the fourth locking structure is configured to offset the mounting hole (135) of the fourth mounting base (134) by a third preset dimension relative to the mounting hole (135) of the third mounting base (133); And / or, the shredding roller welding auxiliary tooling further includes an internal positioning mechanism (6), which is disposed on the reference surface (211) of the first external positioning mechanism (2). The internal positioning mechanism (6) can be accommodated inside the roller (11). The internal positioning mechanism (6) is configured to support the first rib (121) and the second rib (122) at the fifth preset position and the sixth preset position in the roller (11), respectively.

10. The auxiliary tooling for welding the shredding roller according to claim 9, characterized in that, The fourth locking structure includes a seventh positioning hole (53) and a fourth positioning pin (54). The seventh positioning hole (53) is disposed in the fourth positioning plate (513) and extends vertically through it. The fourth positioning pin (54) can be detachably coaxially inserted into one of the mounting holes (135) of the third mounting base (133) and the seventh positioning hole (53) to position the fourth mounting base (134). And / or, the second support positioning frame (51) further includes a third positioning plate (511) and a plurality of second support rods (512), the third positioning plate (511) is disposed below the fourth positioning plate (513), and the third positioning plate (511) is fixedly connected to the fourth positioning plate (513) through the second support rods (512); the third positioning plate (511) and the third external positioning mechanism (4) can fix the third mounting base (133) at a fourth preset position outside the roller (11) through the third locking structure; And / or, the second support positioning frame (51) further includes a third positioning plate (511), the third positioning plate (511) being disposed above the fourth positioning plate (513), the fourth positioning plate (513) having a plurality of vertically extending sixth positioning holes (52) for positioning the third mounting base (133); the fourth locking structure includes a seventh positioning hole (53) for positioning the fourth mounting base (134), the seventh positioning hole (53) being disposed on the fourth positioning plate (513) and extending vertically, the plurality of seventh positioning holes (53) of the plurality of fourth locking structures corresponding one-to-one with the plurality of sixth positioning holes (52), and the seventh positioning hole (53) being offset from the corresponding sixth positioning hole (52) by a third preset dimension; And / or, the internal positioning mechanism (6) includes an annular second support platform (61) and a plurality of positioning rods (62). The second support platform (61) is disposed on the reference plane (211). The plurality of positioning rods (62) are circumferentially spaced. The positioning rods (62) include a first rod segment (621) and a second rod segment (622). The first rod segment (621) is installed on the second support platform (61) and extends vertically. All the first rod segments (621) can support the second rib (122) at the sixth preset position. The second rod segment (622) is detachably installed on the top of the first rod segment (621). All the second rod segments (622) can support the first rib (121) at the fifth preset position.

Images