Novel machining clamp for pump body

Abstract

The utility model discloses a novel machining clamp for a pump body. The novel machining clamp comprises a bottom plate, a positioning assembly, a supporting and fixing assembly, a positioning and fixing assembly, a first fixing assembly and a second fixing assembly. According to the novel machining clamp for the pump body, multiple parts of a pump body shell can be machined through one-time clamping, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pump body processing, in particular to a new type of pump body processing fixture. Background Art

[0002] like Figure 1 The pump shell shown in the figure has an irregular shape and a complex surface structure. Its main processing positions include the first processing hole, the second processing hole, the third processing hole, the fourth processing hole, the long hole in the auxiliary support column, and the planes of the top and bottom surfaces. Many processing positions are required. When processing the pump shell, the top surface is usually processed first after clamping, and then the bottom surface is processed after re-clamping. This operation is complicated and time-consuming. Therefore, a fixture is designed to reduce the number of clamping times and facilitate its processing. Utility Model Content

[0003] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a new type of pump body processing fixture, which can process multiple parts of the pump body shell in one clamping, thereby improving the processing efficiency.

[0004] The utility model provides a new type of pump body processing fixture, comprising:

[0005] The bottom plate has holes formed thereon at the bottom processing positions corresponding to the pump body shell;

[0006] A positioning assembly is fixedly arranged on the top surface of the bottom plate and is used to position and fix the pump housing;

[0007] A support and fixing assembly is arranged on the top surface of the bottom plate and located at the outer periphery of the pump housing, and is used to fix the pump housing;

[0008] A positioning and fixing assembly is arranged on the top surface of the bottom plate and is located at the periphery of the bottom of the first processing hole of the pump body shell, and is used to fix the first processing hole;

[0009] A first fixing assembly is arranged on the top surface of the bottom plate and is used to fix the auxiliary support column of the pump housing;

[0010] The second fixing assembly is arranged on the top surface of the bottom plate and is located on both sides of the second processing hole of the pump body shell, and is used to fix the second processing hole of the pump body shell.

[0011] Furthermore, a hydraulic pipeline is arranged in the bottom plate, and a pressure gauge, a pressure reducing valve and a sequence valve respectively connected with the hydraulic pipeline are arranged on the bottom plate.

[0012] Furthermore, the positioning assembly includes a positioning seat fixedly arranged on the top surface of the bottom plate on one side of the pump body shell, a positioning block is fixedly arranged on one side of the positioning seat close to the pump body shell, and a positioning surface matching the external contour of the corresponding part of the pump body shell is arranged on one side of the positioning block.

[0013] Furthermore, the supporting and fixing assembly includes a plurality of first supports fixedly arranged on the top surface of the base plate located at the outer periphery of the pump body shell, a first oil cylinder is fixedly arranged on the top of the first support, the top end of the first oil cylinder is hinged to one end of the first pressure plate, the middle part of the first pressure plate is hinged to the first support plate, the bottom end of the first support plate is hinged to the first oil cylinder, a plurality of positioning support columns and a first floating support cylinder are fixedly arranged on the top surface of the base plate, the plurality of positioning support columns are used to support the positioning points below the edge of the pump body shell, a plurality of first floating support cylinders are circumferentially distributed on the bottom surface of the pump body shell near the edge, the top end of the first floating support cylinder is fixedly connected to the first support column; the first oil cylinder and the first floating support cylinder are both connected to the hydraulic pipeline.

[0014] Furthermore, the positioning and fixing assembly includes a plurality of second supports fixedly arranged on the top surface of the base plate located at the outer periphery of the flange at the bottom of the first processing hole, wherein a second oil cylinder is fixedly arranged on the top end of one of the second supports, the piston rod of the second oil cylinder extends horizontally toward the flange and is fixedly connected to the first clamping block, and the tops of the remaining second supports are respectively fixedly arranged with first support blocks, one end of the first support block is against the outer side of the flange, and a plurality of second floating support cylinders are fixedly arranged on the outer periphery of the top surface of the base plate located below the first processing hole, and the top ends of the second floating support cylinders are fixedly connected to the second support columns; the second oil cylinder and the second floating support cylinder are both connected to the hydraulic pipeline.

[0015] Furthermore, the first fixing assembly includes a third support fixedly arranged on the top surface of the bottom plate and located on one side of the auxiliary support column, a third oil cylinder is fixedly arranged on the top of the third support, the top end of the third oil cylinder is hinged to one end of the second pressing plate, the middle part of the second pressing plate is hinged to the second support plate, and the bottom end of the second support plate is hinged to the third oil cylinder;

[0016] A third floating support cylinder is fixedly arranged on the top surface of the bottom plate below the auxiliary support column, and a third support column is fixedly connected to the top end of the third floating support cylinder;

[0017] A floating support seat is fixedly installed on the top surface of the base plate below the auxiliary support column. The top surface of the floating support seat is slidably connected to the fourth support column in the vertical direction. A supporting compression spring is arranged at the bottom end of the fourth support column in the floating support seat. The third oil cylinder and the third floating support cylinder are both connected to the hydraulic pipeline.

[0018] Furthermore, the second fixed component includes a fourth support fixedly arranged on the top surface of the base plate and located on both sides of the second processing hole, a fourth oil cylinder is fixedly arranged on the top end of one of the fourth supports, the piston rod of the fourth oil cylinder extends horizontally toward the pump body shell and is fixedly connected to the second clamping block, and a second support block is fixedly arranged on the top of another fourth support, and one end of the second support block is against the outer side of the pump body shell; a plurality of fourth floating support cylinders are fixedly arranged on the outer periphery of the top surface of the base plate below the second processing hole, and a fifth support column is fixedly connected to the top end of the fourth floating support cylinder; the fourth oil cylinder and the fourth floating support cylinder are connected to the hydraulic pipeline.

[0019] Furthermore, hanging rings are symmetrically fixed on both sides of the top surface of the bottom plate; and mounting holes are symmetrically opened on both sides of the bottom plate.

[0020] Furthermore, an avoidance groove is provided at one end of the bottom plate corresponding to the long hole in the auxiliary support column.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] The new processing fixture of the pump body of the utility model positions, supports and clamps the pump body shell, and an avoidance groove and a molded hole are opened on the bottom plate, which is convenient for processing the top surface and the bottom surface of the pump body shell and the long hole in the auxiliary support column, so that the motor shell can be clamped once to complete the processing of the pump body shell; the positioning component has a preliminary positioning function for the pump body shell, which is convenient for the installation of the pump body shell; a sequential valve is provided to reasonably control the sequential actions of various hydraulic components, so that the pump body shell is accurately positioned and reliably clamped.

[0023] It should be understood that the contents described in the utility model summary are not intended to limit the key or important features of the embodiments of the utility model, nor are they intended to limit the scope of the utility model. Other features of the utility model will become easy to understand through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0025] Figure 1 It is a structural schematic diagram of the top surface of the pump shell;

[0026] Figure 2 It is a structural schematic diagram of the bottom surface of the pump housing;

[0027] Figure 3 It is a schematic diagram of the structure of the clamp clamping the pump body shell;

[0028] Figure 4 This is a schematic diagram of the structure of a new type of processing fixture for pump body;

[0029] Figure 5 It is a schematic diagram of the structure of the supporting and fixing components;

[0030] Figure 6 It is a schematic diagram of the structure of the positioning and fixing components;

[0031] Figure 7 is a schematic structural diagram of a first fixing component;

[0032] Figure 8 is a schematic structural diagram of a second fixing component;

[0033] Numbers in the figure: 1, bottom plate; 2, positioning assembly; 3, supporting and fixing assembly; 4, positioning and fixing assembly; 5, first fixing assembly; 6, second fixing assembly;

[0034] 11. Profile hole; 12. Hydraulic pipeline; 13. Pressure gauge; 14. Pressure reducing valve; 15. Sequence valve; 16. Lifting ring; 17. Mounting hole; 18. Avoidance groove;

[0035] 21. Positioning seat; 22. Positioning block;

[0036] 31. First support; 32. First oil cylinder; 33. First pressure plate; 34. First support plate; 35. Positioning support column; 36. First floating support cylinder; 37. First support column;

[0037] 41. Second support; 42. First support block; 43. Second floating support cylinder; 44. Second support column;

[0038] 51. third support; 52. third oil cylinder; 53. second pressure plate; 54. second support plate; 55. third floating support cylinder; 56. third support column; 57. floating support seat; 58. fourth support column;

[0039] 61. fourth support; 62. fourth oil cylinder; 63. second support block; 64. fourth floating support cylinder; 65. fifth support column;

[0040] 91, first processing hole; 92, auxiliary support column; 93, second processing hole;

[0041] 411, second oil cylinder; 412, first clamping block;

[0042] 621. Second clamping block. DETAILED DESCRIPTION

[0043] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for the convenience of description, only the parts related to the utility model are shown in the accompanying drawings.

[0044] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0045] Please refer to Figures 1 to 8 The embodiment of the utility model provides a new type of pump body processing fixture, including:

[0046] The bottom plate 1 has holes 11 formed on the bottom surface of the pump housing 9;

[0047] The positioning assembly 2 is fixedly arranged on the top surface of the bottom plate 1 and is used to position and fix the pump housing 9;

[0048] The support and fixing assembly 3 is arranged on the top surface of the bottom plate 1 and located at the outer periphery of the pump housing 9, and is used to fix the pump housing 9;

[0049] The positioning and fixing component 4 is arranged on the top surface of the bottom plate 1 and is located at the outer periphery of the bottom of the first processing hole 91 of the pump housing 9, and is used to fix the first processing hole 91;

[0050] The first fixing assembly 5 is arranged on the top surface of the bottom plate 1 and is used to fix the auxiliary support column 92 of the pump housing 9;

[0051] The second fixing assembly 6 is disposed on the top surface of the bottom plate 1 and is located on both sides of the second processing hole 93 of the pump body shell 9 , and is used to fix the second processing hole 93 of the pump body shell 9 .

[0052] In this embodiment, the pump body shell 9 is placed above the new pump body processing fixture and is initially positioned by the positioning component 2. First, the positioning and fixing component 4 positions the flange below the first processing hole 91 and then clamps it. Then, the edges of the pump body shell 9 are clamped and fixed.

[0053] The new pump body processing fixture of the present application moves in an orderly manner. The molded hole 11 of the bottom plate 1 is convenient for processing the plane and holes on the bottom surface of the pump body shell 9. The positioning component 2 plays a preliminary positioning role for the pump body shell 9, which is convenient for determining the installation position of the pump body shell 9. The supporting and fixing component 3 is used to support and clamp the pump body shell 9 as a whole. The positioning and fixing component 4 positions and clamps the first processing hole 91, which is convenient for the tool to process the first processing hole 91. The first fixing component is used to support the auxiliary support column 92, which improves the stability of the support for the pump body shell 9 and facilitates the processing of the long hole in the auxiliary support column 92. The second fixing component 6 positions and tightens the second processing hole 93 to prevent the pump body shell 9 from rotating, thereby improving the processing stability of the second processing hole 91.

[0054] In a preferred embodiment, if Figure 3-4As shown, a hydraulic pipeline 12 is arranged in the base plate 1 , and a pressure gauge 13 , a pressure reducing valve 14 and a sequence valve 15 which are respectively connected to the hydraulic pipeline 12 are arranged on the base plate 1 .

[0055] In this embodiment, the new pump body processing fixture adopts hydraulic control, which has fast action response, high working speed, hydraulic pressure-driven clamping action, large clamping force, stable, safe and reliable performance. The pressure reducing valve 14 adjusts the pressure of the external hydraulic oil to the pressure required for the new pump body processing fixture to work, and the pressure gauge 13 is used to display the pressure of the hydraulic pipeline 12, which is convenient for real-time monitoring of the hydraulic pipeline 12 and improves working reliability. The sequence valve 15 reasonably controls the action sequence of each hydraulic component, and has high working efficiency.

[0056] In a preferred embodiment, if Figure 3-4 As shown, the positioning assembly 2 includes a positioning seat 21 fixedly arranged on the top surface of the base plate 1 and located on one side of the pump body shell 9, a positioning block 22 is fixedly arranged on the side of the positioning seat 21 close to the pump body shell 9, and a positioning surface matching the external contour of the corresponding part of the pump body shell 9 is arranged on one side of the positioning block 22.

[0057] In this embodiment, the positioning surface of the positioning assembly 2 preliminarily positions the pump housing 9, so that the pump housing 9 can quickly find the installation position, thereby improving the installation speed.

[0058] In a preferred embodiment, if Figure 5 As shown, the supporting and fixing assembly 3 includes a plurality of first supports 31 fixedly arranged on the top surface of the base plate 1 and located at the periphery of the pump body shell 9, a first oil cylinder 32 is fixedly arranged on the top of the first support 31, the top end of the first oil cylinder 32 is hinged to one end of the first pressure plate 33, the middle part of the first pressure plate 33 is hinged to the first support plate 34, the bottom end of the first support plate 34 is hinged to the first oil cylinder 32, a plurality of positioning support columns 35 and a first floating support cylinder 36 are fixedly arranged on the top surface of the base plate, the plurality of positioning support columns 35 are used to support the positioning points below the edge of the pump body shell 9, a plurality of first floating support cylinders 36 are circumferentially distributed on the bottom surface of the pump body shell 9 near the edge, the top end of the first floating support cylinder 36 is fixedly connected to the first support column 37; the first oil cylinder 32 and the first floating support cylinder 36 are both connected to the hydraulic pipeline 12.

[0059] In this embodiment, the positioning support column 35 supports the positioning point below the edge of the pump body shell 9, and plays a role in positioning and supporting the pump body shell 9. The first support column 37 plays a role in auxiliary support for the pump body shell 9, thereby improving the support stability.

[0060] In a preferred embodiment, if Figure 6As shown, the positioning and fixing component 4 includes a plurality of second supports 41 fixedly arranged on the top surface of the base plate 1 and located at the outer periphery of the flange at the bottom of the first processing hole 91, wherein a second oil cylinder 411 is fixedly arranged on the top end of one of the second supports 41, and the piston rod of the second oil cylinder 411 extends horizontally toward the flange and is fixedly connected to the first clamping block 412, and the tops of the remaining second supports 41 are respectively fixedly arranged with first support blocks 42, and one end of the first support block 42 is against the outer side of the flange, and a plurality of second floating support cylinders 43 are fixedly arranged on the outer periphery of the top surface of the base plate 1 located below the first processing hole 91, and the top ends of the second floating support cylinders 43 are fixedly connected to the second support columns 44; the second oil cylinder 411 and the second floating support cylinder 43 are both connected to the hydraulic pipeline 12.

[0061] In this embodiment, the first support block 42 positions the flange below the first processing hole 91, and the piston rod of the second oil cylinder 411 is pushed out so that the first clamping block 412 clamps the flange below the first processing hole 91, and the second support column 44 supports the outer periphery of the first processing hole 91, thereby improving the stability of the tool when processing the first processing hole 91.

[0062] In a preferred embodiment, if Figure 7 As shown, the first fixing assembly 5 includes a third support 51 fixedly arranged on the top surface of the bottom plate 1 and located on one side of the auxiliary support column 92, a third oil cylinder 52 is fixedly arranged on the top of the third support 51, the top end of the third oil cylinder 52 is hinged to one end of the second pressing plate 53, the middle part of the second pressing plate 53 is hinged to the second supporting plate 54, and the bottom end of the second supporting plate 54 is hinged to the third oil cylinder 52;

[0063] A third floating support cylinder 55 is fixedly installed on the top surface of the bottom plate 1 below the auxiliary support column 92, and a third support column 56 is fixedly connected to the top end of the third floating support cylinder 55;

[0064] A floating support seat 57 is fixedly installed on the top surface of the base plate 1 below the auxiliary support column 92. The top surface of the floating support seat 57 is slidably connected to the fourth support column 58 in the vertical direction. A supporting compression spring is arranged at the bottom end of the fourth support column 58 in the floating support seat 57. The third oil cylinder 52 and the third floating support cylinder 55 are both connected to the hydraulic pipeline 12.

[0065] In this embodiment, before clamping, the fourth support column 58 cooperates with the positioning support column 31 to support the pump body shell 9 to ensure the support balance. After clamping, the third support column 56 plays a major supporting role for the auxiliary support column 92, and the second pressure plate 53 clamps the auxiliary support column 92 to improve the stability when processing the long hole inside the auxiliary support column 92.

[0066] In a preferred embodiment, if Figure 8As shown, the second fixed component 6 includes a fourth support 61 fixedly arranged on the top surface of the base plate 1 and located on both sides of the second processing hole 93, a fourth oil cylinder 62 is fixedly arranged on the top of one fourth support 61, the piston rod of the fourth oil cylinder 62 extends horizontally to the pump body shell 9 and is fixedly connected to the second clamping block 621, and a second support block 63 is fixedly arranged on the top of the other fourth support 61, and one end of the second support block 63 is against the outer side of the pump body shell 9; a plurality of fourth floating support cylinders 64 are fixedly arranged on the outer periphery of the top surface of the base plate 1 below the second processing hole 93, and the top of the fourth floating support cylinder 64 is fixedly connected to the fifth support column 65; the fourth oil cylinder 62 and the fourth floating support cylinder 64 are connected to the hydraulic pipeline 12.

[0067] In this embodiment, the second support block 63 positions the edge of the second processing hole 93, and the piston rod of the fourth oil cylinder 62 extends so that the second clamping block 621 presses against the outer side of the pump body shell 9, thereby preventing the pump body shell 9 from rotating. The fifth support column 65 supports the edge of the second processing hole 91 to improve processing stability.

[0068] In a preferred embodiment, if Figure 3-4 As shown, lifting rings 16 are symmetrically fixed on both sides of the top surface of the base plate 1 to facilitate the placement and removal of the new pump body processing fixture; mounting holes 17 are symmetrically opened on both sides of the base plate 1 to facilitate the installation of the new pump body processing fixture on the cradle-type four-axis work turntable, so that the pump body shell 9 can be clamped once to achieve the processing of several holes and planes on the top and bottom surfaces of the pump body shell 9.

[0069] In a preferred embodiment, if Figure 3-4 As shown, an avoidance groove 18 is provided at one end of the bottom plate 1 corresponding to the inner long hole of the auxiliary support column 92 to avoid interference between the tool and the bottom plate 1 and damage to the tool or the bottom plate 1 when machining the inner long hole of the auxiliary support column 92, thereby facilitating machining.

[0070] In the description of this specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0071] In the description of this specification, the description of the terms "one embodiment", "some embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0072] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A new type of pump body processing fixture, characterized in that: include: A bottom plate (1) having mold holes (11) respectively formed at the bottom surface processing positions corresponding to the bottom surface of the pump housing (9); A positioning assembly (2) is fixedly arranged on the top surface of the bottom plate (1) and is used to position the pump housing (9); A supporting and fixing assembly (3) is arranged on the top surface of the bottom plate (1) and is located at the outer periphery of the pump housing (9) and is used to fix the pump housing (9); A positioning and fixing component (4) is arranged on the top surface of the bottom plate (1) and is located at the outer periphery of the bottom of the first processing hole (91) of the pump body shell (9), and is used to position and fix the first processing hole (91); A first fixing assembly (5), arranged on the top surface of the base plate (1), and used for fixing the auxiliary support column (92) of the pump housing (9); The second fixing assembly (6) is arranged on the top surface of the bottom plate (1) and is located on both sides of the second processing hole (93) of the pump body shell (9), and is used to fix the second processing hole (93) of the pump body shell (9).

2. The new pump body processing fixture according to claim 1 is characterized in that: A hydraulic pipeline (12) is arranged in the base plate (1), and a pressure gauge (13), a pressure reducing valve (14) and a sequence valve (15) which are respectively connected to the hydraulic pipeline (12) are arranged on the base plate (1).

3. The new pump body processing fixture according to claim 1 is characterized in that: The positioning assembly (2) comprises a positioning seat (21) fixedly arranged on the top surface of the base plate (1) and located on one side of the pump housing (9); a positioning block (22) is fixedly arranged on one side of the positioning seat (21) close to the pump housing (9); and a positioning profile matching the external contour of a corresponding portion of the pump housing (9) is arranged on one side of the positioning block (22).

4. The new pump body processing fixture according to claim 2 is characterized in that: The supporting and fixing assembly (3) comprises a plurality of first supports (31) fixedly arranged on the top surface of the bottom plate (1) and located on the outer periphery of the pump body shell (9); a first oil cylinder (32) is fixedly arranged on the top of the first support (31); the top end of the first oil cylinder (32) is hinged to one end of a first pressure plate (33); a first supporting plate (34) is hinged to the middle of the first pressure plate (33); the bottom end of the first supporting plate (34) is hinged to the first oil cylinder (32); the top surface of the bottom plate is fixedly arranged on the top surface of the bottom plate; A plurality of positioning support columns (35) and a first floating support cylinder (36) are arranged, wherein the plurality of positioning support columns (35) are used to support positioning points below the edge of the pump body shell (9), and the plurality of first floating support cylinders (36) are circumferentially distributed on the bottom surface of the pump body shell (9) near the edge, and the top end of the first floating support cylinder (36) is fixedly connected to a first support column (37); the first oil cylinder (32) and the first floating support cylinder (36) are both connected to the hydraulic pipeline (12).

5. The new pump body processing fixture according to claim 2 is characterized in that: The positioning and fixing assembly (4) comprises a plurality of second supports (41) fixedly arranged on the top surface of the base plate (1) and located at the outer periphery of the bottom flange of the first processing hole (91), wherein a second oil cylinder (411) is fixedly arranged on the top end of one of the second supports (41), the piston rod of the second oil cylinder (411) extends horizontally toward the flange and is fixedly connected to a first clamping block (412), and the tops of the remaining second supports (41) are respectively fixedly arranged with first support blocks (42), one end of the first support block (42) abuts against the outer side of the flange, and a plurality of second floating support cylinders (43) are fixedly arranged on the outer periphery of the top surface of the base plate (1) located below the first processing hole (91), and the top ends of the second floating support cylinders (43) are fixedly connected to second support columns (44); the second oil cylinder (411) and the second floating support cylinder (43) are both connected to the hydraulic pipeline (12).

6. The new pump body processing fixture according to claim 2 is characterized in that: The first fixing assembly (5) comprises a third support (51) fixedly arranged on the top surface of the bottom plate (1) and located on one side of the auxiliary support column (92); a third oil cylinder (52) is fixedly arranged on the top of the third support (51); the top end of the third oil cylinder (52) is hinged to one end of the second pressing plate (53); the middle part of the second pressing plate (53) is hinged to a second support plate (54); the bottom end of the second support plate (54) is hinged to the third oil cylinder (52); A third floating support cylinder (55) is fixedly arranged on the top surface of the bottom plate (1) below the auxiliary support column (92), and a third support column (56) is fixedly connected to the top end of the third floating support cylinder (55); A floating support seat (57) is fixedly provided on the top surface of the base plate (1) below the auxiliary support column (92); the top surface of the floating support seat (57) is slidably connected to a fourth support column (58) in a vertical direction; a supporting compression spring is provided in the floating support seat (57) at the bottom end of the fourth support column (58); the third oil cylinder (52) and the third floating support cylinder (55) are both connected to the hydraulic pipeline (12).

7. The new pump body processing fixture according to claim 2 is characterized in that: The second fixing assembly (6) comprises a fourth support (61) fixedly arranged on the top surface of the base plate (1) and located on both sides of the second processing hole (93); a fourth oil cylinder (62) is fixedly arranged on the top of one of the fourth supports (61); the piston rod of the fourth oil cylinder (62) extends horizontally toward the pump body shell (9) and is fixedly connected to the second clamping block (621); a second support block (63) is fixedly arranged on the top of the other fourth support (61); one end of the second support block (63) abuts against the outer side of the pump body shell (9); a plurality of fourth floating support cylinders (64) are fixedly arranged on the outer periphery of the top surface of the base plate (1) below the second processing hole (93); the top of the fourth floating support cylinder (64) is fixedly connected to a fifth support column (65); the fourth oil cylinder (62) and the fourth floating support cylinder (64) are connected to the hydraulic pipeline (12).

8. The new pump body processing fixture according to claim 1 is characterized in that: Hanging rings (16) are symmetrically fixedly provided on both sides of the top surface of the bottom plate (1); and mounting holes (17) are symmetrically opened on both sides of the bottom plate (1).

9. The new pump body processing fixture according to claim 1 is characterized in that: An avoidance groove (18) is provided at one end of the bottom plate (1) corresponding to the inner long hole of the auxiliary support column (92).

Images