A positioning and processing device for inner arc segmented driving rack

Abstract

The utility model relates to a positioning and processing device for an inner circular arc segmented driving rack, comprising a first positioning mechanism, a second positioning mechanism and a positioning and processing base, wherein the first positioning mechanism is located above the second positioning mechanism, and the first positioning mechanism and the second positioning mechanism are both installed on the positioning and processing base, the first positioning mechanism comprises a first left positioning component, a first middle positioning component and a first right positioning component, the first left positioning component and the first right positioning component are respectively arranged on the left and right sides of the first middle positioning component, and the first left positioning component, the first middle positioning component and the first right positioning component are all arranged on the positioning and processing base, the second positioning mechanism comprises a second left positioning component, a second middle positioning component and a second right positioning component, the second left positioning component and the second right positioning component are respectively arranged on the left and right sides of the second middle positioning component, and the second left positioning component, the second middle positioning component and the second right positioning component are all arranged on the positioning and processing base.

Description

Technical Field

[0001] The utility model relates to a positioning and processing device for an inner arc segmented driving rack, which is mainly used in the field of engineering machinery, such as a heavy excavator reducer. Background Art

[0002] The inner arc segmented drive rack is mainly used in the reducer of the excavator. It needs to be positioned and fixed during milling and drilling. Due to its difficulty in clamping, it has extremely high requirements on the operator. The clamping process is too complicated and requires multiple steps to complete the clamping. The processing cycle of the inner arc segmented drive rack is long, and it is often necessary to stop during the processing to release the cutting and clamping stress, which requires manual intervention. Utility Model Content

[0003] The purpose of the utility model is to overcome the above-mentioned shortcomings in the prior art and to provide a positioning and processing device for an inner arc segmented driving rack with a reasonable structural design.

[0004] The technical solution adopted by the utility model to solve the above-mentioned problem is: the positioning and processing device of the inner arc segmented driving rack includes a first positioning mechanism, a second positioning mechanism and a positioning and processing base, the first positioning mechanism is located above the second positioning mechanism, and the first positioning mechanism and the second positioning mechanism are both installed on the positioning and processing base. Its structural characteristics are: the first positioning mechanism includes a first left positioning component, a first middle positioning component and a first right positioning component, the first left positioning component and the first right positioning component are respectively arranged on the left and right sides of the first middle positioning component, the first left positioning component, the first middle positioning component and the first right positioning component are all arranged on the positioning and processing base, the second positioning mechanism includes a second left positioning component, a second middle positioning component and a second right positioning component, the second left positioning component and the second right positioning component are respectively arranged on the left and right sides of the second middle positioning component, the second left positioning component, the second middle positioning component and the second right positioning component are all arranged on the positioning and processing base, the first left positioning component, the first middle positioning component and the first right positioning component are respectively located above the second left positioning component, the second middle positioning component and the second right positioning component.

[0005] Further, the first left positioning assembly includes a first left positioning base plate, a first left positioning clamping structure, a first left positioning pressing structure, a first left positioning directional column, a first left positioning moving steel ball and a first left positioning lifting ring, the first left positioning base plate is arranged on a positioning processing base, and the first left positioning clamping structure, the first left positioning pressing structure, the first left positioning directional column, the first left positioning moving steel ball and the first left positioning lifting ring are all arranged on the first left positioning base plate.

[0006] Furthermore, the first central positioning assembly includes a first central positioning base plate, a first central positioning clamping structure, a first central positioning pressing structure and a first central positioning lifting ring, the first central positioning base plate is arranged on the positioning processing base, and the first central positioning clamping structure, the first central positioning pressing structure and the first central positioning lifting ring are all arranged on the first central positioning base plate.

[0007] Further, the first right positioning assembly includes a first right positioning base plate, a first right positioning clamping structure, a first right positioning pressing structure, a first right positioning directional column, a first right positioning moving steel ball and a first right positioning lifting ring, the first right positioning base plate is arranged on a positioning processing base, and the first right positioning clamping structure, the first right positioning pressing structure, the first right positioning directional column, the first right positioning moving steel ball and the first right positioning lifting ring are all arranged on the first right positioning base plate.

[0008] Further, the second left positioning assembly includes a second left positioning base plate, a second left positioning pad, a second left positioning contour block, a second left positioning pad screw, a second left positioning contour block screw, a second left positioning clamping structure, a second left positioning lifting ring and a second left positioning diamond pin. The second left positioning base plate is arranged on the positioning processing base, and the second left positioning pad, the second left positioning contour block, the second left positioning pad screw, the second left positioning contour block screw, the second left positioning clamping structure, the second left positioning lifting ring and the second left positioning diamond pin are all arranged on the second left positioning base plate. The second left positioning pad screw cooperates with the second left positioning pad, and the second left positioning contour block screw penetrates the second left positioning contour block.

[0009] Further, the second central positioning assembly includes a second central positioning base plate, a second central positioning pad, a second central positioning contour block, a second central positioning pad screw, a second central positioning contour block screw, a second central positioning clamping structure and a second central positioning lifting ring. The second central positioning base plate is arranged on a positioning processing base. The second central positioning pad, the second central positioning contour block, the second central positioning pad screw, the second central positioning contour block screw, the second central positioning clamping structure and the second central positioning lifting ring are all arranged on the second central positioning base plate. The second central positioning pad screw cooperates with the second central positioning pad, and the second central positioning contour block screw penetrates the second central positioning contour block.

[0010] Further, the second right positioning assembly includes a second right positioning base plate, a second right positioning pad, a second right positioning contour block, a second right positioning pad screw, a second right positioning contour block screw, a second right positioning clamping structure, a second right positioning lifting ring and a second right positioning diamond pin, the second right positioning base plate is arranged on the positioning processing base, the second right positioning pad, the second right positioning contour block, the second right positioning pad screw, the second right positioning contour block screw, the second right positioning clamping structure, the second right positioning lifting ring and the second right positioning diamond pin are all arranged on the second right positioning base plate, the second right positioning pad screw cooperates with the second right positioning pad, and the second right positioning contour block screw penetrates the second right positioning contour block.

[0011] Furthermore, the first left positioning clamping structure, the first middle positioning clamping structure and the first right positioning clamping structure all include a positioning clamping seat, a vertical fixed block, a vertical tensioning block, a vertical sliding block, a vertical return spring, a vertical tightening bolt, a horizontal fixed block, a horizontal tensioning block, a horizontal sliding block and a horizontal return spring. The vertical fixed block and the horizontal fixed block are both fixed on the positioning clamping seat, the vertical tensioning block and the horizontal tensioning block are respectively slidably set on the vertical fixed block and the horizontal fixed block, the vertical sliding block and the horizontal sliding block are respectively slidably set on the vertical tensioning block and the horizontal tensioning block, the vertical return spring and the horizontal return spring are respectively in contact with the vertical tensioning block and the horizontal tensioning block, and the vertical tensioning block and the horizontal tensioning block are respectively controlled by the vertical tensioning bolt and the horizontal tensioning bolt.

[0012] Furthermore, the first left positioning and clamping structure, the first middle positioning and clamping structure and the first right positioning and clamping structure all include a first positioning guide rod, a first positioning pressure plate, a first positioning support rod and a first positioning screw, the first positioning guide rod and the first positioning screw both penetrate the first positioning pressure plate, and the first positioning pressure plate is located above the first positioning support rod.

[0013] Furthermore, the second left positioning and clamping structure, the second middle positioning and clamping structure, and the second right positioning and clamping structure all include a second positioning screw, a second positioning pressure plate, and a second positioning guide rod, and the second positioning screw and the second positioning guide rod both penetrate the second positioning pressure plate.

[0014] Compared with the prior art, the utility model has the following advantages: the positioning processing device of the inner arc segmented drive rack adopts a three-point fixed surface method, and flexible supports are all used for the bottom support of the rack. When the rack is fixed, the contact surface between the processing device and the rack can be reduced, and all the force points are changed to elastic support devices. The cutting clamping stress is automatically released during the processing without manual intervention; the first left positioning clamping structure, the first middle positioning clamping structure, and the first right positioning clamping structure adopt an elastic support method, and the vertical return spring and the horizontal return spring therein can effectively absorb the vibration generated during the processing, greatly improving the tool life, thereby reducing costs; the clamping is simple, and the clamping can be completed by placing, pushing, and pressing, and there is no need to release the cutting clamping stress during the processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a positioning and processing device for an inner arc segmented driving rack according to an embodiment of the utility model.

[0016] Figure 2 It is a three-dimensional structural schematic diagram of a positioning and processing device for an inner arc segmented driving rack according to an embodiment of the utility model.

[0017] Figure 3 It is a schematic diagram of the structure of the use state of the positioning processing device of the inner arc segmented driving rack in the embodiment of the utility model.

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the first left positioning clamping structure / the first middle positioning clamping structure / the first right positioning clamping structure of an embodiment of the utility model.

[0019] Figure 5 It is a schematic cross-sectional structure diagram of the first left positioning clamping structure / the first middle positioning clamping structure / the first right positioning clamping structure of an embodiment of the utility model.

[0020] Figure 6 It is a three-dimensional structural schematic diagram of the first left positioning and clamping structure / the first middle positioning and clamping structure / the first right positioning and clamping structure of an embodiment of the utility model.

[0021] Figure 7 It is a three-dimensional structural schematic diagram of the second left positioning and clamping structure / the second middle positioning and clamping structure / the second middle positioning and clamping structure of an embodiment of the utility model.

[0022] In the figure: first positioning mechanism A, second positioning mechanism B, positioning processing base C, rack D, first left positioning assembly A1, first middle positioning assembly A2, first right positioning assembly A3, positioning clamp seat A4, vertical fixing block A5, vertical tensioning block A6, vertical sliding block A7, vertical return spring A8, vertical tensioning bolt A9, horizontal fixing block A90, horizontal tensioning block A901, horizontal sliding block A902, horizontal return spring A903, first positioning guide rod A904, first positioning pressure plate A905, first positioning support rod A9 06, first positioning screw A907, second left positioning assembly B1, second middle positioning assembly B2, second right positioning assembly B3, second positioning screw B4, second positioning pressure plate B5, second positioning guide rod B6, first left positioning base plate A11, first left positioning clamping structure A12, first left positioning clamping structure A13, first left positioning directional column A14, first left positioning dynamic steel ball A15, first left positioning lifting ring A16, first middle positioning base plate A21, first middle positioning clamping structure A22, first middle positioning clamping structure A23, first middle positioning ring A24, first right positioning base plate A31, first right positioning clamping structure A32, first right positioning pressing structure A33, first right positioning directional column A34, first right positioning dynamic steel ball A35, first right positioning ring A36, second left positioning base plate B11, second left positioning cushion block B12, second left positioning contour block B13, second left positioning cushion block screw B14, second left positioning contour block screw B15, second left positioning pressing structure B16, second left positioning ring B17, second left positioning rhombus pin B18, The second middle positioning base plate B21, the second middle positioning pad block B22, the second middle positioning contour block B23, the second middle positioning pad block screw B24, the second middle positioning contour block screw B25, the second middle positioning clamping structure B26, the second middle positioning lifting ring B27, the second right positioning base plate B31, the second right positioning pad block B32, the second right positioning contour block B33, the second right positioning pad block screw B34, the second right positioning contour block screw B35, the second right positioning clamping structure B36, the second right positioning lifting ring B37, the second right positioning diamond pin B38. DETAILED DESCRIPTION

[0023] The present invention will be further described in detail below with reference to the accompanying drawings and through examples. The following examples are provided to explain the present invention, but the present invention is not limited to the following examples.

[0024] Example

[0025] See also Figures 1 to 7As shown, it should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model. At the same time, if there are references to terms such as "upper", "lower", "left", "right", "middle" and "one" in this specification, they are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship, without substantially changing the technical content, should also be regarded as the scope of the implementation of the utility model.

[0026] The positioning and processing device of the inner arc segmented driving rack in this embodiment includes a first positioning mechanism A, a second positioning mechanism B and a positioning and processing base C. The first positioning mechanism A is located above the second positioning mechanism B, and the first positioning mechanism A and the second positioning mechanism B are both installed on the positioning and processing base C.

[0027] The first positioning mechanism A in this embodiment includes a first left positioning component A1, a first middle positioning component A2 and a first right positioning component A3. The first left positioning component A1 and the first right positioning component A3 are respectively arranged on the left and right sides of the first middle positioning component A2. The first left positioning component A1, the first middle positioning component A2 and the first right positioning component A3 are all arranged on the positioning processing base C.

[0028] The second positioning mechanism B in this embodiment includes a second left positioning component B1, a second middle positioning component B2 and a second right positioning component B3. The second left positioning component B1 and the second right positioning component B3 are respectively arranged on the left and right sides of the second middle positioning component B2. The second left positioning component B1, the second middle positioning component B2 and the second right positioning component B3 are all arranged on the positioning processing base C.

[0029] In this embodiment, the first left positioning component A1, the first middle positioning component A2 and the first right positioning component A3 are respectively located above the second left positioning component B1, the second middle positioning component B2 and the second right positioning component B3.

[0030] The first left positioning assembly A1 in this embodiment includes a first left positioning base plate A11, a first left positioning clamping structure A12, a first left positioning pressing structure A13, a first left positioning directional column A14, a first left positioning moving steel ball A15 and a first left positioning lifting ring A16. The first left positioning base plate A11 is set on the positioning processing base C, and the first left positioning clamping structure A12, the first left positioning pressing structure A13, the first left positioning directional column A14, the first left positioning moving steel ball A15 and the first left positioning lifting ring A16 are all set on the first left positioning base plate A11.

[0031] The first center positioning component A2 in this embodiment includes a first center positioning base plate A21, a first center positioning clamping structure A22, a first center positioning pressing structure A23 and a first center positioning lifting ring A24. The first center positioning base plate A21 is arranged on the positioning processing base C, and the first center positioning clamping structure A22, the first center positioning pressing structure A23 and the first center positioning lifting ring A24 are all arranged on the first center positioning base plate A21.

[0032] The first right positioning component A3 in this embodiment includes a first right positioning base plate A31, a first right positioning clamping structure A32, a first right positioning pressing structure A33, a first right positioning directional column A34, a first right positioning moving steel ball A35 and a first right positioning lifting ring A36. The first right positioning base plate A31 is arranged on the positioning processing base C, and the first right positioning clamping structure A32, the first right positioning pressing structure A33, the first right positioning directional column A34, the first right positioning moving steel ball A35 and the first right positioning lifting ring A36 are all arranged on the first right positioning base plate A31.

[0033] The second left positioning assembly B1 in this embodiment includes a second left positioning base plate B11, a second left positioning cushion block B12, a second left positioning contour block B13, a second left positioning cushion block screw B14, a second left positioning contour block screw B15, a second left positioning clamping structure B16, a second left positioning lifting ring B17 and a second left positioning rhombus pin B18. The second left positioning base plate B11 is arranged on the positioning processing base C, and the second left positioning cushion block B12, the second left positioning contour block B13, the second left positioning cushion block screw B14, the second left positioning contour block screw B15, the second left positioning clamping structure B16, the second left positioning lifting ring B17 and the second left positioning rhombus pin B18 are all arranged on the second left positioning base plate B11. The second left positioning cushion block screw B14 cooperates with the second left positioning cushion block B12, and the second left positioning contour block screw B15 penetrates the second left positioning contour block B13.

[0034] The second central positioning assembly B2 in this embodiment includes a second central positioning base plate B21, a second central positioning pad block B22, a second central positioning contour block B23, a second central positioning pad block screw B24, a second central positioning contour block screw B25, a second central positioning clamping structure B26 and a second central positioning lifting ring B27. The second central positioning base plate B21 is arranged on the positioning processing base C, and the second central positioning pad block B22, the second central positioning contour block B23, the second central positioning pad block screw B24, the second central positioning contour block screw B25, the second central positioning clamping structure B26 and the second central positioning lifting ring B27 are all arranged on the second central positioning base plate B21. The second central positioning pad block screw B24 cooperates with the second central positioning pad block B22, and the second central positioning contour block screw B25 penetrates the second central positioning contour block B23.

[0035] The second right positioning assembly B3 in this embodiment includes a second right positioning base plate B31, a second right positioning pad block B32, a second right positioning contour block B33, a second right positioning pad block screw B34, a second right positioning contour block screw B35, a second right positioning clamping structure B36, a second right positioning lifting ring B37 and a second right positioning rhombus pin B38. The second right positioning base plate B31 is set on the positioning processing base C, and the second right positioning pad block B32, the second right positioning contour block B33, the second right positioning pad block screw B34, the second right positioning contour block screw B35, the second right positioning clamping structure B36, the second right positioning lifting ring B37 and the second right positioning rhombus pin B38 are all set on the second right positioning base plate B31. The second right positioning pad block screw B34 cooperates with the second right positioning pad block B32, and the second right positioning contour block screw B35 penetrates the second right positioning contour block B33.

[0036] In this embodiment, the first left positioning clamping structure A12, the first middle positioning clamping structure A22 and the first right positioning clamping structure A32 all include a positioning clamping seat A4, a vertical fixing block A5, a vertical tensioning block A6, a vertical sliding block A7, a vertical return spring A8, a vertical tensioning bolt A9, a horizontal fixing block A90, a horizontal tensioning block A901, a horizontal sliding block A902 and a horizontal return spring A903. The vertical fixing block A5 and the horizontal fixing block A90 are both fixed on the positioning clamping seat A4. The vertical tensioning block A6 and the horizontal tensioning block A901 are respectively slidably set on the vertical fixed block A5 and the horizontal fixed block A90, the vertical sliding block A7 and the horizontal sliding block A902 are respectively slidably set on the vertical tensioning block A6 and the horizontal tensioning block A901, the vertical return spring A8 and the horizontal return spring A903 are respectively in contact with the vertical tensioning block A6 and the horizontal tensioning block A901, and the vertical tensioning block A6 and the horizontal tensioning block A901 are respectively controlled by the vertical tightening bolt A9 and the horizontal tightening bolt.

[0037] In this embodiment, the first left positioning and clamping structure A13, the first middle positioning and clamping structure A23 and the first right positioning and clamping structure A33 all include a first positioning guide rod A904, a first positioning pressure plate A905, a first positioning support rod A906 and a first positioning screw A907. The first positioning guide rod A904 and the first positioning screw A907 both penetrate the first positioning pressure plate A905, and the first positioning pressure plate A905 is located above the first positioning support rod A906.

[0038] In this embodiment, the second left positioning and clamping structure B16, the second middle positioning and clamping structure B26 and the second right positioning and clamping structure B36 all include a second positioning screw B4, a second positioning pressure plate B5 and a second positioning guide rod B6, and the second positioning screw B4 and the second positioning guide rod B6 both penetrate the second positioning pressure plate B5.

[0039] Specifically, the rack D is placed on the first positioning mechanism A or the second positioning mechanism B. When the rack D is placed on the first positioning mechanism A, the lower end surface of the rack D contacts the first left positioning motion steel ball A15, the first right positioning motion steel ball A35, the vertical sliding block A7, and the first positioning support rod A906, so that the two ends of the rack D contact the second left positioning cushion block screw B14 and the second right positioning cushion block screw B34. The first positioning screw A907 is tightened to make the first positioning pressure plate A905 contact the upper end surface of the rack D. The vertical tension bolt A9 and the horizontal tension bolt are tightened respectively to make the vertical sliding block A7 and the horizontal sliding block A902 move upward and rightward respectively (by Figure 5 The rack D can be processed at this time, and the vertical tensioning bolt A9 and the horizontal tensioning bolt can be loosened to reset the vertical tensioning block A6 and the horizontal tensioning block A901 respectively under the action of the vertical return spring A8 and the horizontal return spring A903.

[0040] When the rack D is placed on the second positioning mechanism B, the lower end surface of the rack D contacts the second left positioning pad B12, the second left positioning height block B13, the second left positioning rhombus pin B18, the second middle positioning pad B22, the second middle positioning height block B23, the second right positioning pad B32, the second right positioning height block B33, and the second right positioning rhombus pin B38, and the second left positioning pad screw B14, the second middle positioning pad screw B24, and the second right positioning pad screw B34 are inserted into the tooth grooves of the rack D and tightened to fix the first The second left positioning contour block screw B15, the second middle positioning contour block screw B25, and the second right positioning contour block screw B35 pass through the rack D, and correspondingly pass through the second left positioning contour block B13, the second middle positioning contour block B23, and the second right positioning contour block B33, then tighten the second left positioning contour block screw B15, the second middle positioning contour block screw B25, and the second right positioning contour block screw B35, and tighten the second positioning screw B4 so that the second positioning pressure plate B5 contacts the back side of the rack D. At this time, the rack D can be processed.

[0041] In addition, it should be noted that the shapes and names of the parts and components of the specific embodiments described in this specification may be different, and the above content described in this specification is only an example of the structure of the utility model. All equivalent changes or simple changes made based on the structure, features and principles described in the patent concept of the utility model are included in the protection scope of the utility model patent. Technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the protection scope of the utility model.

Claims

1. A positioning processing device for an inner arc segmented driving rack, comprising a first positioning mechanism (A), a second positioning mechanism (B) and a positioning processing base (C), wherein the first positioning mechanism (A) is located above the second positioning mechanism (B), and the first positioning mechanism (A) and the second positioning mechanism (B) are both installed on the positioning processing base (C), characterized in that: The first positioning mechanism (A) comprises a first left positioning component (A1), a first middle positioning component (A2) and a first right positioning component (A3), wherein the first left positioning component (A1) and the first right positioning component (A3) are respectively arranged on the left and right sides of the first middle positioning component (A2), and the first left positioning component (A1), the first middle positioning component (A2) and the first right positioning component (A3) are all arranged on a positioning processing base (C), and the second positioning mechanism (B) comprises a second left positioning component (B1), a second middle positioning component (B2) and a second right positioning component The second left positioning component (B1) and the second right positioning component (B3) are respectively arranged on the left and right sides of the second middle positioning component (B2); the second left positioning component (B1), the second middle positioning component (B2) and the second right positioning component (B3) are all arranged on a positioning processing base (C); the first left positioning component (A1), the first middle positioning component (A2) and the first right positioning component (A3) are respectively located above the second left positioning component (B1), the second middle positioning component (B2) and the second right positioning component (B3).

2. The positioning and processing device for the inner arc segmented driving rack according to claim 1, characterized in that: The first left positioning assembly (A1) comprises a first left positioning base plate (A11), a first left positioning clamping structure (A12), a first left positioning pressing structure (A13), a first left positioning directional column (A14), a first left positioning moving steel ball (A15) and a first left positioning lifting ring (A16). The first left positioning base plate (A11) is arranged on the positioning processing base (C), and the first left positioning clamping structure (A12), the first left positioning pressing structure (A13), the first left positioning directional column (A14), the first left positioning dynamic steel ball (A15) and the first left positioning lifting ring (A16) are all arranged on the first left positioning base plate (A11).

3. The positioning and processing device for the inner arc segmented driving rack according to claim 2, characterized in that: The first center positioning assembly (A2) comprises a first center positioning base plate (A21), a first center positioning clamping structure (A22), a first center positioning pressing structure (A23) and a first center positioning lifting ring (A24). The first middle positioning base plate (A21) is arranged on a positioning processing base (C), and the first middle positioning clamping structure (A22), the first middle positioning pressing structure (A23) and the first middle positioning lifting ring (A24) are all arranged on the first middle positioning base plate (A21).

4. The positioning and processing device for the inner arc segmented driving rack according to claim 3 is characterized in that: The first right positioning assembly (A3) comprises a first right positioning base plate (A31), a first right positioning clamping structure (A32), a first right positioning pressing structure (A33), a first right positioning directional column (A34), a first right positioning moving steel ball (A35) and a first right positioning lifting ring (A36). The first right positioning base plate (A31) is arranged on the positioning processing base (C), and the first right positioning clamping structure (A32), the first right positioning pressing structure (A33), the first right positioning directional column (A34), the first right positioning moving steel ball (A35) and the first right positioning lifting ring (A36) are all arranged on the first right positioning base plate (A31).

5. The positioning and processing device for the inner arc segmented driving rack according to claim 1, characterized in that: The second left positioning assembly (B1) comprises a second left positioning base plate (B11), a second left positioning cushion block (B12), a second left positioning contour block (B13), a second left positioning cushion block screw (B14), a second left positioning contour block screw (B15), a second left positioning clamping structure (B16), a second left positioning lifting ring (B17) and a second left positioning rhombus pin (B18). The second left positioning base plate (B11) is arranged on the positioning processing base (C); the second left positioning cushion block (B12), the second left positioning contour block (B13), the second left positioning cushion block screw (B14), the second left positioning contour block screw (B15), the second left positioning clamping structure (B16), the second left positioning lifting ring (B17) and the second left positioning rhombus pin (B18) are all arranged on the second left positioning base plate (B11); the second left positioning cushion block screw (B14) cooperates with the second left positioning cushion block (B12); the second left positioning contour block screw (B15) penetrates the second left positioning contour block (B13).

6. The positioning and processing device for the inner arc segmented driving rack according to claim 5, characterized in that: The second central positioning assembly (B2) comprises a second central positioning base plate (B21), a second central positioning cushion block (B22), a second central positioning equal height block (B23), a second central positioning cushion block screw (B24), a second central positioning equal height block screw (B25), a second central positioning clamping structure (B26) and a second central positioning lifting ring (B27). The second middle positioning base plate (B21) is arranged on the positioning processing base (C); the second middle positioning cushion block (B22), the second middle positioning equal height block (B23), the second middle positioning cushion block screw (B24), the second middle positioning equal height block screw (B25), the second middle positioning clamping structure (B26) and the second middle positioning lifting ring (B27) are all arranged on the second middle positioning base plate (B21); the second middle positioning cushion block screw (B24) cooperates with the second middle positioning cushion block (B22); the second middle positioning equal height block screw (B25) penetrates the second middle positioning equal height block (B23).

7. The positioning and processing device for the inner arc segmented driving rack according to claim 6, characterized in that: The second right positioning assembly (B3) comprises a second right positioning base plate (B31), a second right positioning cushion block (B32), a second right positioning equal height block (B33), a second right positioning cushion block screw (B34), a second right positioning equal height block screw (B35), a second right positioning clamping structure (B36), a second right positioning lifting ring (B37) and a second right positioning rhombus pin (B38). The second right positioning base plate (B31) is arranged on the positioning processing base (C); the second right positioning cushion block (B32), the second right positioning contour block (B33), the second right positioning cushion block screw (B34), the second right positioning contour block screw (B35), the second right positioning clamping structure (B36), the second right positioning lifting ring (B37) and the second right positioning rhombus pin (B38) are all arranged on the second right positioning base plate (B31); the second right positioning cushion block screw (B34) cooperates with the second right positioning cushion block (B32); the second right positioning contour block screw (B35) penetrates the second right positioning contour block (B33).

8. The positioning and processing device for the inner arc segmented driving rack according to claim 4, characterized in that: The first left positioning clamping structure (A12), the first middle positioning clamping structure (A22) and the first right positioning clamping structure (A32) all include a positioning clamping seat (A4), a vertical fixing block (A5), a vertical tensioning block (A6), a vertical sliding block (A7), a vertical return spring (A8), a vertical tensioning bolt (A9), a horizontal fixing block (A90), a horizontal tensioning block (A901), a horizontal sliding block (A902) and a horizontal return spring (A903). The vertical fixed block (A5) and the horizontal fixed block (A90) are both fixed on the positioning clamp seat (A4); the vertical tensioning block (A6) and the horizontal tensioning block (A901) are respectively slidably set on the vertical fixed block (A5) and the horizontal fixed block (A90); the vertical sliding block (A7) and the horizontal sliding block (A902) are respectively slidably set on the vertical tensioning block (A6) and the horizontal tensioning block (A901); the vertical return spring (A8) and the horizontal return spring (A903) are respectively in contact with the vertical tensioning block (A6) and the horizontal tensioning block (A901); the vertical tensioning block (A6) and the horizontal tensioning block (A901) are respectively controlled by the vertical tensioning bolt (A9) and the horizontal tensioning bolt.

9. The positioning and processing device for the inner arc segmented driving rack according to claim 4, characterized in that: The first left positioning and clamping structure (A13), the first middle positioning and clamping structure (A23) and the first right positioning and clamping structure (A33) all include a first positioning guide rod (A904), a first positioning pressure plate (A905), a first positioning support rod (A906) and a first positioning screw rod (A907). The first positioning guide rod (A904) and the first positioning screw rod (A907) both penetrate the first positioning pressure plate (A905), and the first positioning pressure plate (A905) is located above the first positioning support rod (A906).

10. The positioning and processing device for the inner arc segmented driving rack according to claim 7, characterized in that: The second left positioning and clamping structure (B16), the second middle positioning and clamping structure (B26) and the second right positioning and clamping structure (B36) all include a second positioning screw (B4), a second positioning pressure plate (B5) and a second positioning guide rod (B6), and the second positioning screw (B4) and the second positioning guide rod (B6) both penetrate the second positioning pressure plate (B5).

Images