Clamping device for packing box machining and machining method

Abstract

The invention discloses a clamping device for packing box machining and a machining method.The clamping device comprises a positioning assembly, the positioning assembly comprises a positioning piece body, the positioning piece body comprises an operation face facing a packing box, and the operation face is provided with a convex spigot matched with a concave spigot of the packing box; the operation face is provided with an abutting table used for abutting against the filler box, and a first avoiding groove and a second avoiding groove are formed in the operation face. The convex seam allowance of the positioning assembly and the concave seam allowance of the packing box are aligned and coaxially arranged, the packing box is fixedly clamped on the positioning assembly, the positioning precision can be guaranteed, the packing box is positively or reversely mounted, the two faces of the packing box can be machined correspondingly, and the round corner guiding procedure of all holes and edges of the packing box is achieved through the high-precision clamping device; manual grinding can be replaced by numerical control milling, the drilling and milling machining efficiency and machining precision of the packing box are improved, meanwhile, the skill requirement of manual round corner grinding on an operator is lowered, and the machining efficiency and machining precision are greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of stuffing box processing, and in particular to a clamping device and a processing method for stuffing box processing. Background Art

[0002] Most of the ultra-high pressure reciprocating compressors in the compressor market are imported equipment. The fillet corners of the holes and edges of their stuffing boxes are usually processed by manual grinding. This processing method requires a high level of skill from the operator, and the radius of the fillet after grinding varies. Sharp edges are easily formed between the fillet and the hole wall or plane, affecting the performance of the stuffing box. The present invention proposes a new solution to the above problems. Summary of the invention

[0003] In order to overcome at least one of the above-mentioned disadvantages, the present invention provides a clamping device and a processing method for a stuffing box.

[0004] The purpose of the present invention can be achieved by adopting the following technical solutions:

[0005] According to a first aspect of the present invention, a clamping device for processing a stuffing box is provided, comprising a positioning assembly, wherein the positioning assembly comprises a positioning member body, wherein the positioning member body comprises an operating surface facing the stuffing box, wherein the operating surface is provided with a convex stop matched with a concave stop of the stuffing box, wherein the operating surface is provided with an abutment platform for abutting with the stuffing box, wherein a first avoidance groove and a second avoidance groove are provided on the operating surface so as to separate the part to be processed of the stuffing box from the positioning member body, and wherein the positioning member body is provided with a positioning hole matched with the stuffing box for adjusting the position of the stuffing box.

[0006] In one possible implementation manner, the first avoidance groove is located between the convex stop and the abutment platform, and a chip removal hole is provided on the first avoidance groove; the second avoidance groove is exposed and located on the outer peripheral side of the abutment platform.

[0007] In one possible implementation manner, a concave stop is provided at the axis center of the stuffing box, and a small clearance fit is formed between the convex stop and the concave stop.

[0008] In one possible implementation manner, two positioning grooves are relatively arranged on the positioning member body, and the angle positioning surfaces of the two positioning grooves are located on the same vertical plane, so as to adjust the position of the positioning member body.

[0009] In one possible implementation, the clamping device for processing the stuffing box further comprises:

[0010] An operating table, wherein the positioning assembly is arranged on the operating table;

[0011] A locking assembly is movably connected to the operating table, and a part of the locking assembly can move along the axial direction of the stuffing box until it abuts against the stuffing box.

[0012] In one possible implementation manner, a mounting hole is formed on the abutment platform, and the positioning assembly is connected to the operating platform via a fixing bolt, and the fixing bolt is located in the mounting hole.

[0013] In one embodiment, the locking assembly includes:

[0014] A support column, wherein the support column is arranged on the operating table;

[0015] A pressing plate, one end of which is connected to the supporting column, and the other end of which is used to abut against the stuffing box;

[0016] A screw rod, wherein the first end of the screw rod is connected to the operating table through a fixing nut, and the second end of the screw rod is movably connected to the pressing plate for adjusting the position of the pressing plate.

[0017] In one possible implementation manner, a groove is provided on the operating table, and the fixing nut is adapted to the shape of the groove.

[0018] A second aspect of the present invention provides a processing method, which is applied to the clamping device for processing a stuffing box according to any one of the first aspects, and the processing method comprises the following steps:

[0019] Pass the fixing bolts through the positioning holes to connect the positioning assembly to the operating table, and connect the locking assembly to the operating table;

[0020] Install the seasoning box on the operating surface of the positioning assembly, make the concave stopper of the stuffing box coaxial with the convex stopper of the positioning assembly, fix the position of the stuffing box by the locking assembly, and process the first surface of the stuffing box away from the positioning assembly;

[0021] Install the seasoning box upside down on the operating surface of the positioning assembly so that the concave stop of the stuffing box is coaxial with the convex stop of the positioning assembly, fix the position of the stuffing box by the locking assembly, and process the second surface of the stuffing box away from the positioning assembly.

[0022] In one embodiment, the processing step of the first surface of the stuffing box specifically includes drilling and reaming the first through hole, the second through hole and the third through hole, milling grooves and milling the plane at the outer circle of the first surface, milling the transition fillet of the first surface, and milling the fillet of one end of the first through hole, the second through hole and the third through hole;

[0023] During the process of reversely installing the seasoning box in the positioning assembly, the positioning pin is embedded in the first through hole and the positioning hole to position the stuffing box. The processing steps for the second surface of the stuffing box specifically include milling the transition fillet of the second surface, and milling the other end fillets of the first through hole, the second through hole and the third through hole.

[0024] Beneficial technical effects of the present invention: According to the contents of the present disclosure, the clamping device for processing the stuffing box is coaxially arranged by aligning the convex stop of the positioning component with the concave stop of the stuffing box, the abutting surface abuts against the stuffing box, the stuffing box is positioned through the positioning hole, and the stuffing box is fixedly clamped on the positioning component, so as to ensure the positioning accuracy, and the stuffing box can be installed positively or reversely, and both sides of the stuffing box can be processed separately, and the filleting process of each hole and edge of the stuffing box can be realized through the high-precision clamping device, and CNC milling can replace manual grinding, thereby improving the drilling and milling efficiency and processing accuracy of the stuffing box, and at the same time reducing the skill requirements of the operator for manual grinding of fillets, greatly improving the processing efficiency and processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In the accompanying drawings, the following are given by way of example and not limitation:

[0026] Figure 1 A structural schematic diagram showing an angle of the overall structure;

[0027] Figure 2 A structural schematic diagram showing another angle of the overall structure;

[0028] Figure 3 A structural schematic diagram showing another angle of the overall structure;

[0029] Figure 4 A schematic diagram showing the structure of the positioning component at one angle is shown;

[0030] Figure 5 A schematic diagram showing the structure of the positioning component from another angle;

[0031] Figure 6 A schematic diagram showing the structure of the positioning assembly from another angle is shown;

[0032] Figure 7 A schematic diagram showing the structure of the stuffing box at one angle is shown;

[0033] Figure 8 A schematic diagram of the structure of the first side of the stuffing box is shown;

[0034] Fig. 9 A schematic diagram of the structure of the second side of the stuffing box is shown;

[0035] Fig.10 A cross-sectional view of the structure of the stuffing box is shown;

[0036] Fig.11 A schematic diagram of the structure of the operating table is shown;

[0037] Fig.12 A schematic diagram of the structure of the screw is shown;

[0038] Fig.13 A schematic structural diagram of a pressing plate is shown;

[0039] Fig.14 A schematic diagram of the structure of the fixing nut is shown;

[0040] Fig.15 A cross-sectional view of the overall structure of the stuffing box in normal installation is shown;

[0041] Fig.16 A cross-sectional view of the overall structure of the stuffing box with reverse installation is shown.

[0042] In the figure:

[0043] 100, clamping device; 200, stuffing box;

[0044] 1. Positioning assembly; 2. Locking assembly; 3. Operating table;

[0045] 11. Positioning member body; 12. convex stopper; 13. abutment platform; 14. positioning groove; 15. first avoidance groove; 16. chip removal hole; 17. second avoidance groove; 18. lifting hole; 19. mounting hole; 20. positioning hole; 21. support column; 22. screw rod; 23. pressure plate; 24. fixing nut; 31. groove;

[0046] 201, stuffing box body; 202, concave stopper; 203, side wall plane; 204, first through hole; 205, second through hole; 206, third through hole; 207, groove. DETAILED DESCRIPTION

[0047] In the following detailed disclosure, these embodiments are fully described with reference to the accompanying drawings. In order to make the technical scheme of the present invention more clear and specific to those skilled in the art, the implementation methods described below are not limited to this. The present invention is further described in detail below in conjunction with the embodiments and the accompanying drawings.

[0048] The first aspect of the present invention, as Figure 1-Figure 16As shown, a clamping device 100 for processing a stuffing box is provided, including a positioning component 1, the positioning component 1 includes a positioning member body 11, the positioning member body 11 includes an operating surface facing the stuffing box 200, the operating surface is provided with a convex stop 12 adapted to the concave stop 202 of the stuffing box 200, the operating surface is provided with an abutment platform 13 for abutting against the stuffing box 200, the operating surface is provided with a first avoidance groove 15 and a second avoidance groove 17, so that the stuffing box 200 to be processed is separated from the positioning member body 11, and the positioning member body 11 is provided with a positioning hole 20 adapted to the stuffing box 200 for adjusting the position of the stuffing box 200.

[0049] The clamping device 100 for processing the stuffing box includes a positioning component 1, which includes a positioning member body 11, a convex stop 12, an abutment platform 13, a first avoidance groove 15, a second avoidance groove 17 and a positioning hole 20. The convex stop 12 is aligned with the concave stop 202 of the stuffing box 200 and arranged coaxially, that is, the convex stop 12 is inserted into the concave stop 202 of the stuffing box 200, and the flat abutment surface abuts against one surface of the stuffing box 200. The stuffing box 200 can be positioned and the angle of the seasoning box can be adjusted through the positioning hole 20, and the stuffing box 200 can be fixedly clamped on the positioning component 1, so that the positioning accuracy can be guaranteed.

[0050] During specific operations, the stuffing box 200 is installed upright or inverted onto the positioning component 1, and both sides of the stuffing box 200 can be processed separately. The filleting process of each hole and edge of the stuffing box 200 can be achieved through a high-precision clamping device. CNC milling can replace manual grinding, thereby improving the drilling and milling efficiency and processing accuracy of the stuffing box 200, while reducing the skill requirements of the operator for manual rounding, greatly improving the processing efficiency and processing accuracy.

[0051] The positioning member body 11 can be made of steel, such as 45# steel, and normalized to ensure the positioning accuracy of the fixture.

[0052] Among them, Figure 1-Figure 3 As shown, the upper plane of the positioning member body 11 is the upper surface of the abutment platform 13, which is used to contact the stuffing box 200, and the lower plane of the positioning member body 11 is used to contact the operating table 3. The upper and lower planes of the positioning member body 11 need to have high flatness, parallelism and smoothness to ensure that the plane of the stuffing box 200 has a high position accuracy in the Z-axis direction during the processing.

[0053] In one possible implementation, Figure 4 and Figure 5 As shown, the first avoidance groove 15 is located between the convex stop 12 and the abutment platform 13 , and a chip removal hole 16 is opened on the first avoidance groove 15 ; the second avoidance groove 17 is exposed and located on the outer peripheral side of the abutment platform 13 .

[0054] Among them, the first avoidance groove 15 and the second avoidance groove 17 are used to separate the part of the stuffing box 200 to be processed from the positioning member body 11, that is, the first through hole 204, the second through hole 205 and the third through hole 206 of the stuffing box 200 are all located in the edge projection area of ​​the first avoidance groove 15 or the edge projection area of ​​the second avoidance groove 17.

[0055] The first avoidance groove 15 is located between the convex stop 12 and the abutment platform 13 , and the third through hole 206 is located in the edge projection area of ​​the first avoidance groove 15 . When drilling and reaming the third through hole 206 , the tool has no contact with the positioning assembly 1 .

[0056] Furthermore, a chip removal hole 16 is formed on the first avoidance groove 15 , and the chip removal hole 16 can be arranged along the axial direction of the positioning component 1 , so as to facilitate the discharge of waste chips after drilling, reaming and chamfering.

[0057] Furthermore, a plurality of chip removal holes 16 may be evenly arranged along the circumference of the first avoidance groove 15 , and the number of the chip removal holes 16 may be one, two, three, four or other integers.

[0058] Among them, the second avoidance groove 17 is located on the outer peripheral side of the abutment platform 13, and the first through hole 204 and the second through hole 205 are located in the edge projection area of ​​the second avoidance groove 17. When drilling, reaming and chamfering operations are performed on the first through hole 204 and the second through hole 205, the tool has no contact with the positioning component 1.

[0059] Furthermore, the second avoidance groove 17 is exposed, which is convenient for discharging waste chips after drilling, reaming and chamfering.

[0060] In one possible implementation, Figure 7-Figure 10 As shown, a concave stop 202 is provided at the axis of the stuffing box 200. Fig.15 and Fig.16 As shown, there is a small clearance fit between the convex stop 12 and the concave stop 202 .

[0061] Among them, the center of the positioning member body 11 adopts a convex stop 12 design, and the convex stop 12 and the concave stop 202 of the stuffing box 200 are matched with a small gap, and the two have a radial gap of 0.08mm~0.12mm, forming the initial positioning of the stuffing box 200 in the X and Y axis directions after installation.

[0062] Furthermore, before clamping the stuffing box 200, a micrometer can be used to align the concave stop 202 of the stuffing box 200 and the convex stop 12 of the fixture to ensure the position accuracy of each hole in the X and Y axis directions after clamping the stuffing box 200 twice on the front and back sides.

[0063] In one possible implementation, Figure 4-Figure 6As shown, two positioning grooves 14 are arranged on the positioning member body 11 , and the angle positioning surfaces of the two positioning grooves 14 are located on the same vertical plane, so as to adjust the position of the positioning member body 11 .

[0064] During the processing, the positioning component 1 is centered in the X and Y axis directions based on the convex stop 12, and the positioning hole 20 and the two positioning grooves 14 are processed by one clamping, which ensures the relative position accuracy of the convex stop 12, the angle positioning surface and the positioning hole 20. When installing the positioning component 1, it can be aligned and tightened according to the angle positioning surface to ensure the angular position accuracy of each hole after clamping the stuffing box 200 twice on the front and back sides.

[0065] In one possible implementation, Figure 1-Figure 16 As shown, the clamping device 100 for stuffing box processing also includes an operating table 3 and a locking assembly 2. The positioning assembly 1 is arranged on the operating table 3. The locking assembly 2 is movably connected to the operating table 3. A part of the locking assembly 2 can move along the axial direction of the stuffing box 200 until it abuts against the stuffing box 200.

[0066] Among them, the lower plane of the positioning component 1 is in contact with the operating table 3, and a part of the locking component 2 can move along the axial direction of the stuffing box 200 towards or away from the stuffing box 200. The locking component 2 can abut against the upper surface of the stuffing box 200 to fix the position of the stuffing box 200 and ensure positioning accuracy and stability.

[0067] In one possible implementation, Figure 4 and Figure 5 As shown, a mounting hole 19 is opened on the abutment platform 13 , and the positioning assembly 1 is connected to the operating platform 3 via a fixing bolt, and the fixing bolt is located in the mounting hole 19 .

[0068] The positioning assembly 1 can be fixed on the operating table 3 by fixing bolts, and the fixing bolts can be in the form of hexagon socket screws and T-shaped nuts.

[0069] Furthermore, a number of mounting holes 19 and fixing bolts may be evenly arranged along the circumference of the positioning assembly 1 , and the number of the mounting holes 19 may be two, three, four, or other integers.

[0070] In one possible implementation, Figure 4 and Figure 5 As shown, two lifting holes 18 are arranged opposite to each other on the positioning member body 11 to facilitate the lifting operation.

[0071] In one embodiment, the locking assembly 2 includes a support column 21, a pressure plate 23 and a screw 22. The support column 21 is set on the operating table 3, one end of the pressure plate 23 is connected to the support column 21, and the other end of the pressure plate 23 is used to abut against the stuffing box 200. The first end of the screw 22 is connected to the operating table 3 through a fixing nut 24, and the second end of the screw 22 is movably connected to the pressure plate 23 for adjusting the position of the pressure plate 23.

[0072] Among them, Figure 1-Figure 3 As shown, the support column 21 is vertically arranged on the operation platform, and the fixing nut 24 is connected to the operation platform 3, as shown in FIG. Fig.12 As shown, both ends of the screw rod 22 are provided with external threads, and one end of the screw rod 22 is threadedly connected to the fixing nut 24. Fig.13 As shown, the other end of the screw rod 22 passes through the hole on the pressure plate 23 and is connected to a nut, through which the position of the pressure plate 23 can be adjusted so that the pressure plate 23 is in contact with or away from the upper surface of the stuffing box 200, thereby clamping or releasing the stuffing box 200.

[0073] In one possible implementation, Figure 3 and Fig.11 As shown, the operating table 3 is provided with a groove 31, as shown in FIG. Fig.14 As shown, the fixing nut 24 is adapted to the shape of the recess 31 .

[0074] The operating table 3 is provided with a groove 31 , which can be connected with the chip removal hole 16 to facilitate cleaning of waste chips.

[0075] The lower surface of the positioning component 1 may be provided with a chip removal groove, which is connected to a plurality of chip removal holes 16 , so that waste chips in the chip removal holes 16 can fall onto the operating table 3 through the chip removal groove.

[0076] Among them, the fixing nut 24 is adapted to the shape of the groove 31. When the groove 31 is in a herringbone shape, the cross-sectional shape of the fixing nut 24 is also in a herringbone shape, so that the fixing nut 24 can move along the length direction of the groove 31, but cannot move along the axial direction of the positioning component 1.

[0077] The second aspect of the present invention, as Figure 1-Figure 16 As shown, a processing method is provided, which is applied to the clamping device 100 for processing the stuffing box of any one of the first aspects, and the processing method comprises the following steps: passing the fixing bolt through the positioning hole 20 to connect the positioning assembly 1 with the operating table 3, and connecting the locking assembly 2 with the operating table 3; Fig.15 As shown, the seasoning box is mounted on the operating surface of the positioning assembly 1, so that the concave stop 202 of the stuffing box 200 is coaxial with the convex stop 12 of the positioning assembly 1, the position of the stuffing box 200 is fixed by the locking assembly 2, and the first surface of the stuffing box 200 away from the positioning assembly 1 is processed; Fig.16As shown, the seasoning box is reversed and mounted on the operating surface of the positioning component 1, so that the concave stop 202 of the stuffing box 200 is coaxial with the convex stop 12 of the positioning component 1, the position of the stuffing box 200 is fixed by the locking component 2, and the second surface of the stuffing box 200 facing away from the positioning component 1 is processed.

[0078] During specific implementation, the stuffing box 200 is installed upright on the positioning component 1, and the first surface of the stuffing box 200 can be processed. Then, the stuffing box 200 is reversed and installed on the positioning component 1, and the second surface of the stuffing box 200 can be processed, thereby realizing the filleting process of each hole and edge of the stuffing box 200. A CNC machining center can be used instead of manual grinding to improve the drilling and milling efficiency and machining accuracy of the stuffing box 200, while reducing the skill requirements of the operator for manual grinding of the fillets. The fillets after CNC milling can meet the drawing requirements and performance of the stuffing box 200 through simple manual grinding, thereby greatly improving the machining efficiency and machining accuracy.

[0079] During the specific implementation, firstly, the two angle positioning surfaces are aligned by dialing, so that the positioning surfaces on both sides are parallel to the X-axis direction, and the positioning component 1 is fastened to the operating table 3 by fixing bolts; secondly, the positioning component 1 is centered in the X and Y axis directions with the convex stop 12 as a reference, the stuffing box 200 is installed on the front, and the concave stop 202 of the stuffing box 200 is aligned by dialing to make it coaxial with the convex stop 12. After the alignment, the stuffing box 200 is clamped with the locking component 2, and the first surface of the stuffing box 200 is processed; then the stuffing box 200 is reversed, and the positioning pin is driven into the second through hole 205 of the stuffing box 200 and the positioning hole 20 of the positioning component 1 to complete the angle positioning, and the concave stop 202 of the stuffing box 200 is aligned by dialing again to make it coaxial with the convex stop 12. After the alignment, the stuffing box 200 is clamped with the locking component 2, and the second surface of the stuffing box 200 is processed.

[0080] Among them, Fig.15 As shown, the processing steps for the first surface of the stuffing box 200 specifically include drilling and reaming the first through hole 204, the second through hole 205 and the third through hole 206, milling the groove 207 and the plane at the outer circle of the first surface, milling the transition fillet of the first surface, and milling the fillet of one end of the first through hole 204, the second through hole 205 and the third through hole 206.

[0081] Among them, Fig.16 As shown, during the process of reversely installing the seasoning box in the positioning assembly 1, the positioning pin is embedded in the first through hole 204 and the positioning hole 20 to position the stuffing box 200, and the processing steps for the second surface of the stuffing box 200 specifically include milling the transition fillet of the second surface, and milling the other end fillets of the first through hole 204, the second through hole 205 and the third through hole 206.

[0082] The present embodiment provides a clamping device 100 for processing a stuffing box and specific structural dimensions of a stuffing box 200, wherein the processing steps for the first surface of the stuffing box 200 include drilling and reaming two φ15H7 first through holes 204, drilling and reaming three φ12.6 second through holes 205, drilling and reaming a φ3 third through hole 206, milling three grooves 207, milling a plane at the outer circle, milling the first surface radius R1 of two first through holes 204, milling the first surface radius R1 of three second through holes 205, milling the first surface radius R1 of a third through hole 206, and milling a transition radius R3 between the plane at the outer circle and the first surface of the stuffing box 200. Among them, after the stuffing box 200 is reversed, a φ15m6 positioning pin is driven into the stuffing box 200 and the positioning component 1 to complete the angle positioning, and the processing steps for the second surface of the stuffing box 200 include milling the second surface radius R1 of two first through holes 204, milling the second surface radius R1 of three second through holes 205, milling the second surface radius R1 of a third through hole 206, and milling the transition radius R3 between the plane at the outer circle and the second surface of the stuffing box 200.

[0083] The positioning assembly 1 and the stuffing box 200 are not limited to the above-mentioned structural composition, quantity and size.

[0084] In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0085] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by terms such as “upper”, “lower”, “left”, “right”, “front” and “back” are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation, and therefore, cannot be understood as a limitation on the present invention.

[0086] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific 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 invention. 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.

[0087] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

[0088] In view of the above detailed description, these and other changes can be made to these embodiments, and this written description includes the best mode embodiments to disclose the present invention. The scope of the patent obtained by the present invention is defined by the claims, which are not limited by the present disclosure, and the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field within the scope disclosed by the present invention, according to the technical solution and its conception of the present invention, is equivalent to or changes, and all are within the protection scope of the present invention.

Claims

1. A clamping device for stuffing box processing, characterized in that: The invention comprises a positioning component (1), wherein the positioning component (1) comprises a positioning member body (11), wherein the positioning member body (11) comprises an operating surface facing a stuffing box, wherein the operating surface is provided with a convex stop (12) matched with a concave stop (202) of the stuffing box, wherein the operating surface is provided with an abutment platform (13) for abutting with the stuffing box, wherein the operating surface is provided with a first avoidance groove (15) and a second avoidance groove (17) so as to separate the part to be processed of the stuffing box from the positioning member body (11), and wherein the positioning member body (11) is provided with a positioning hole (20) matched with the stuffing box for adjusting the position of the stuffing box.

2. The clamping device for stuffing box processing according to claim 1, characterized in that: The first avoidance groove (15) is located between the convex stop (12) and the abutment platform (13), and a chip removal hole (16) is provided on the first avoidance groove (15); The second avoidance groove (17) is exposed and located on the outer peripheral side of the abutment platform (13).

3. The clamping device for stuffing box processing according to claim 1, characterized in that: A concave stop (202) is provided at the axis center of the stuffing box, and a small clearance fit is formed between the convex stop (12) and the concave stop (202).

4. The clamping device for stuffing box processing according to claim 1, characterized in that: Two positioning grooves (14) are arranged opposite to each other on the positioning member body (11), and the angle positioning surfaces of the two positioning grooves (14) are located on the same vertical plane so as to adjust the position of the positioning member body (11).

5. The clamping device for processing a stuffing box according to any one of claims 1 to 4, characterized in that: The clamping device for processing the stuffing box also includes: An operating table (3), wherein the positioning component (1) is arranged on the operating table (3); A locking assembly (2), wherein the locking assembly (2) is movably connected to the operating table (3), and a part of the locking assembly (2) can move along the axial direction of the stuffing box until it abuts against the stuffing box.

6. The clamping device for stuffing box processing according to claim 5, characterized in that: The abutment platform (13) is provided with a mounting hole (19); the positioning assembly (1) is connected to the operating platform (3) via a fixing bolt, and the fixing bolt is located in the mounting hole (19).

7. The clamping device for stuffing box processing according to claim 5, characterized in that: The locking assembly (2) comprises: A support column (21), wherein the support column (21) is arranged on the operating table (3); A pressing plate (23), one end of the pressing plate (23) being connected to the supporting column (21), and the other end of the pressing plate (23) being used for abutting against the stuffing box; A screw rod (22), wherein a first end of the screw rod (22) is connected to the operating table (3) via a fixing nut (24), and a second end of the screw rod (22) is movably connected to the pressing plate (23) for adjusting the position of the pressing plate (23).

8. The clamping device for stuffing box processing according to claim 7, characterized in that: The operating table (3) is provided with a groove (31), and the fixing nut (24) is adapted to the shape of the groove (31).

9. A processing method, characterized in that: Applicable to the clamping device for processing a stuffing box as claimed in any one of claims 1 to 8, the processing method comprises the following steps: Pass the fixing bolts through the positioning holes to connect the positioning assembly to the operating table, and connect the locking assembly to the operating table; Install the seasoning box on the operating surface of the positioning assembly, make the concave stopper of the stuffing box coaxial with the convex stopper of the positioning assembly, fix the position of the stuffing box by the locking assembly, and process the first surface of the stuffing box away from the positioning assembly; Install the seasoning box upside down on the operating surface of the positioning assembly so that the concave stop of the stuffing box is coaxial with the convex stop of the positioning assembly, fix the position of the stuffing box by the locking assembly, and process the second surface of the stuffing box away from the positioning assembly.

10. The processing method according to claim 9, characterized in that: The processing steps for the first surface of the stuffing box specifically include drilling and reaming the first through hole, the second through hole and the third through hole, milling grooves and milling the plane at the outer circle of the first surface, milling the transition fillet of the first surface, and milling the fillet of one end of the first through hole, the second through hole and the third through hole; During the process of reversely installing the seasoning box in the positioning assembly, the positioning pin is embedded in the first through hole and the positioning hole to position the stuffing box. The processing steps for the second surface of the stuffing box specifically include milling the transition fillet of the second surface, and milling the other end fillets of the first through hole, the second through hole and the third through hole.

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