Machining tool of special-shaped workpiece multi-station auxiliary machining center

Abstract

The utility model discloses a machining tool of a special-shaped workpiece multi-station auxiliary machining center, which comprises a supporting assembly arranged on a working table of the machining center and detachably connected with the working table. And the positioning assembly is arranged on the supporting assembly and detachably connected with the supporting assembly, and the special-shaped workpiece is installed on the positioning assembly and used for limiting the machining position of the workpiece in the axial direction. Every two clamping assemblies form a set, and the clamping assemblies are arranged on the two sides of the positioning assembly, detachably connected with the supporting assembly, located in the diagonal direction of the positioning assembly, spaced from the positioning assembly by a preset distance and used for limiting the machining position of the workpiece in the radial direction. The workpiece is clamped on the tool, and the purpose of assisting a machining center in machining the workpiece is achieved. The whole tool is simple in structure and easy to install, a plurality of workpieces can be clamped at a time, the time for frequently disassembling and assembling the tool is saved, a plurality of special-shaped workpieces can be machined at a time, the machining precision of batch workpieces is guaranteed, and the machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the processing frock technical field of multi -station special -shaped work piece machining center especially relates to a processing frock of special -shaped work piece multi -station auxiliary machining center. BACKGROUND

[0002] Special-shaped parts refer to the parts that do not conform to the general standard of production in size, shape, structure or combination, and have special shape or function, which are usually irregular geometric shapes such as curves, bevels, holes, etc.

[0003] Special-shaped parts are widely used in various industries, including mechanical equipment, automobile manufacturing, aerospace, electronics and electrical appliances, construction and other fields. Common manufacturing methods include custom processing, numerical control machining center precision machine tool cutting and 3D printing, etc. Since special-shaped parts are usually cast, there will be a certain deviation in the general shape when processing the surface of the machining center. If the frock is designed, the special-shaped part needs to be customized with a clamping frock. In general, the frock structure of special-shaped parts is complex, and there are many parts. Only one special-shaped workpiece can be processed each time. When batch processing is encountered, the frock needs to be repeatedly disassembled and assembled, which wastes processing time and makes it difficult to ensure the precision of batch workpieces, resulting in low processing efficiency.

[0004] The existing frock cannot guarantee the processing precision and efficiency of batch workpieces. UTILITY MODEL CONTENT

[0005] In order to solve the above technical problems, the utility model provides a processing frock of special-shaped workpiece multi-station auxiliary machining center, which installs the special-shaped workpiece on the workbench of the machining center through the supporting assembly, the positioning assembly and the clamping assembly.

[0006] In order to achieve the above purpose, the utility model is realized by the following technical scheme:

[0007] A processing frock of special-shaped workpiece multi-station auxiliary machining center, comprising:

[0008] The supporting assembly is arranged on the workbench of the machining center and detachably connected with the workbench.

[0009] The positioning assembly is arranged on the supporting assembly and detachably connected with the supporting assembly. The special-shaped workpiece is installed on the positioning assembly and used to limit the processing position of the workpiece from the axial direction.

[0010] The clamping assembly is arranged on the two sides of the positioning assembly and detachably connected with the supporting assembly. The clamping assembly is located in the diagonal direction of the positioning assembly and has a preset distance from the positioning assembly, and is used to limit the processing position of the workpiece from the radial direction.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] The positioning assembly and the clamping assembly are connected with the machining center through the supporting assembly, the workpiece is installed on the positioning assembly and clamped between the positioning assembly and the clamping assembly, the positioning assembly and the clamping assembly position the position of the workpiece in the radial direction, and the workpiece is positioned in the axial direction through the positioning assembly, so that the workpiece is clamped on the tooling, and the purpose of assisting the machining center to machine the workpiece is achieved. The whole tooling is simple in structure and easy to install, can clamp multiple workpieces at a time, saves the time for frequently disassembling and assembling the tooling, realizes machining of multiple special-shaped workpieces at a time, guarantees the machining precision of batch workpieces, and improves the machining efficiency.

[0013] Further preferably, the positioning assembly comprises:

[0014] The positioning seat is arranged on the second bottom plate of the supporting assembly and detachably connected with the second bottom plate, and the workpiece is sleeved on the positioning seat.

[0015] The expansion core chuck is arranged on the positioning seat and sleeved with the center part of the positioning seat and located between the center part and the workpiece, and is used for locking the workpiece between the positioning assembly and the clamping assembly under the action of an external force.

[0016] The pressing plate is arranged on the expansion core chuck and in contact with the top surface of the expansion core chuck and sleeved with the center part of the positioning seat.

[0017] The locking screw is arranged on the pressing plate, the end thereof is screwed with the center part of the positioning seat, and the pressing plate is fastened under the action of an external force.

[0018] The first fastener is detachably connected to the positioning seat and located at the diagonal position of the positioning seat and used for screwing through the positioning seat and the second bottom plate.

[0019] By using the above technical scheme, the workpiece is axially positioned through the pressing plate, the expansion core chuck and the positioning seat, and the final machining position of the workpiece is limited.

[0020] Further preferably, the positioning seat comprises:

[0021] The seat body is arranged on the second bottom plate and located between each group of clamping assemblies, and the bottom surface thereof is detachably connected with the second bottom seat.

[0022] The positioning table is arranged at the center part of the positioning seat and sleeved with the expansion core chuck, and the workpiece is located between the positioning table and the clamping assembly.

[0023] The protrusion is arranged on the seat body and integrally connected with the seat body, and the top surface thereof is in contact with the bottom surface of the workpiece.

[0024] The groove is a through groove and is arranged between the adjacent two protrusions and distributed on the contour line of the seat body, and forms a continuous concave-convex surface structure with the protrusion.

[0025] Fastening holes are made at the diagonal positions of the base body, and the first fastener passes through the fastening holes to connect with the second base plate.

[0026] The above technical solution combines grooves and protrusions to provide convenient operating space for workpiece assembly and disassembly. The positioning table provides support for the expansion chuck to clamp the workpiece between itself and the clamping assembly. The fastening holes facilitate the first fastener to install the seat onto the second base plate. The entire positioning seat provides positioning and support in both axial and radial directions.

[0027] More preferably, the clamping assembly includes:

[0028] The clamping seat, which has a concave cross-section, is set on the second base plate, located on opposite sides of the positioning seat, and is screwed to the second base plate.

[0029] A cover plate is located on top of the clamping seat and is connected to the clamping seat.

[0030] The positioning block is set inside the clamping seat, with one end extending out of the clamping seat and abutting against the outer wall of the workpiece. There is a gap between the side wall and the inner wall of the clamping seat, and a gap between the top wall and the bottom wall of the cover plate.

[0031] A spring is installed inside the clamping seat. One end of the spring is fixedly connected to the positioning block, and the other end is fixedly connected to the clamping seat. It is used to change the extension amount of the positioning block by telescoping.

[0032] The second fastener is set on the cover plate, and its end passes through the cover plate and the clamping seat in sequence and is screwed to the second base plate.

[0033] Using the above technical solution, the clamping seat provides space and support for the positioning block to repeatedly extend and retract. The cover plate limits and protects the movement of the positioning block within the clamping seat, preventing excessive vibration of the positioning block within the clamping seat during processing, thus indirectly ensuring the machining accuracy of the workpiece. Through connection with the spring, the workpiece can repeatedly extend and retract within the clamping seat, and the second fastener secures the clamping seat.

[0034] Further optimized, the clamping seat includes:

[0035] The main body is set on the second base plate and is inserted into the second base plate.

[0036] The first stop bar is fixed to the main body and is located on the protruding part of the clamping seat, and is integrally connected to the main body.

[0037] There are two second stop bars, both of which are set on the main body and are located in the opposite position to the first stop bar. They are integrally connected to the main body and are parallel to the first stop bar. The positioning block is located between the two second stop bars. The second fastener passes through the cover plate, the first stop bar, and the second stop bar in sequence and is screwed to the second base plate.

[0038] The blocking hole is a blind hole and is arranged on the first blocking strip, the inner wall of the blind end of the blocking hole is fixedly connected with a spring, and the spring is used for telescoping in the blocking hole.

[0039] By adopting the technical scheme, the structure formed by the body, the first blocking strip and the second blocking strip provides a telescoping space for the limiting block and provides convenience for clamping and positioning the workpiece. The spring and the blocking hole are used to realize repeated telescoping of the limiting block in the space.

[0040] Further optimization is that the limiting block is in a V shape or a Y shape, and the opening part of the limiting block is located on the outer side of the second blocking strip.

[0041] By adopting the technical scheme, the limiting block is in abutment with the workpiece, and the limiting block and the expanding core chuck are used to clamp and position the workpiece in the radial direction.

[0042] Further optimization is that the supporting assembly comprises:

[0043] The first bottom plate is detachably connected to the workbench of the machining center.

[0044] The supporting plates are arranged in an array on the first bottom plate and are detachably connected to the first bottom plate.

[0045] The second bottom plate is arranged on the supporting plates and is connected to the supporting plates through the third fasteners and the positioning pins.

[0046] By adopting the technical scheme, the supporting assembly composed of the first bottom plate, the supporting plates and the second bottom plate realizes clamping of the workpiece on the workbench of the machining center, thereby providing a stable platform for batch machining of the workpiece surface and indirectly improving the machining precision of the workpiece.

[0047] Further optimization is that the second bottom plate is provided with clamping grooves, the positions of the clamping grooves correspond to the positions of the clamping seats, and the clamping grooves are inserted into the clamping seats.

[0048] By adopting the technical scheme, the clamping seat can be firmly connected to the second bottom plate, thereby providing convenience for the limiting block and the expanding core chuck to clamp the workpiece in the radial direction.

[0049] Further optimization is that the number of the positioning assemblies is at least 6, and the positioning assemblies are arranged on the second bottom plate in a matrix arrangement.

[0050] By adopting the technical scheme, at least 6 workpieces can be clamped at one time, the purpose of batch machining of the workpieces is achieved, and the time for frequent clamping of the tooling is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0051] Figure 1 The figure is a structural schematic diagram of the embodiment.

[0052] Figure 2This is a schematic diagram of the positioning component and clamping component in this embodiment.

[0053] Figure 3 This is a schematic diagram of the clamping seat in this embodiment.

[0054] Figure 4 This is a schematic diagram of the positioning seat in this embodiment.

[0055] Figure 5 This is a schematic diagram of the clamping groove in this embodiment.

[0056] Reference numerals: 1-Support assembly; 11-First base plate; 12-Support plate; 13-Second base plate; 131-Clamping groove; 14-Third fastener; 15-Positioning pin; 2-Positioning assembly; 21-Positioning seat; 211-Seat body; 212-Positioning platform; 213-Protrusion; 214-Groove; 215-Fastening hole; 22-Expansion chuck; 23-Locking screw; 24-Pressure plate; 25-First fastener; 3-Clamping assembly; 31-Clamping seat; 310-Body body; 311-First stop bar; 312-Stop hole; 313-Second stop bar; 32-Cover plate; 33-Positioning block; 34-Spring; 35-Second fastener; 4-Workpiece. Detailed Implementation

[0057] The following is in conjunction with the appendix Figures 1-5 This utility model will be described in further detail.

[0058] A machining fixture for a multi-station auxiliary machining center for irregularly shaped workpieces, such as Figure 1 As shown, it includes:

[0059] Support component 1 is located on the worktable of the machining center and is detachably connected to the worktable.

[0060] Positioning component 2 is mounted on support component 1 and is detachably connected to support component 1. Irregular workpiece 4 is mounted on positioning component 2 and is used to define the processing position of workpiece 4 in the axial direction.

[0061] Clamping components 3, in pairs, are set on both sides of positioning component 2 and are detachably connected to support component 1. They are located diagonally opposite to positioning component 2 and have a preset distance from positioning component 2, and are used to limit the processing position of workpiece 4 in the radial direction.

[0062] The positioning assembly 2 and the clamping assembly 3 are connected with the machining center through the support assembly 1, the workpiece 4 is installed on the positioning assembly 2 and is clamped between the positioning assembly 2 and the clamping assembly 3, the positioning assembly 2 and the clamping assembly 3 position the position of the workpiece 4 in the radial direction, and the workpiece 4 is positioned in the axial direction through the positioning assembly 2, so that the workpiece 4 is clamped on the tool, and the purpose of assisting the machining center to machine the workpiece 4 is achieved. The whole tool structure is simple and easy to install, a plurality of workpieces 4 can be clamped at one time, the time for frequently disassembling and assembling the tool is saved, a plurality of special-shaped workpieces 4 can be machined at one time, the machining precision of batch workpieces 4 is ensured, and the machining efficiency is improved.

[0063] Specifically, as shown in Figure 1 and Figure 2 shown, the positioning assembly 2 in the embodiment includes:

[0064] The positioning seat 21 is arranged on the second bottom plate 13 of the support assembly 1 and is detachably connected with the second bottom plate 13, and the workpiece 4 is sleeved on the positioning seat 21.

[0065] The expansion core chuck 22 is arranged on the positioning seat 21 and is sleeved with the center part of the positioning seat 21 and is located between the center part and the workpiece 4, and is used for locking the workpiece 4 between the positioning assembly 2 and the clamping assembly 3 under the action of an external force.

[0066] The pressing plate 24 is arranged on the expansion core chuck 22 and is in contact with the top surface of the expansion core chuck and is sleeved with the center part of the positioning seat 21.

[0067] The locking screw 23 is arranged on the pressing plate 24, the end part of the locking screw 23 is screwed with the center part of the positioning seat 21, and the pressing plate 24 is fastened under the action of an external force.

[0068] The first fastener 25 is detachably connected to the positioning seat 21 and is located at the diagonal position of the positioning seat 21 and is used for screwing through the positioning seat 21 and the second bottom plate 13.

[0069] The workpiece 4 is axially positioned by the pressing plate 24, the expansion core chuck 22 and the positioning seat 21, and the final machining position of the workpiece 4 is limited.

[0070] Specifically, as shown in Figure 2 and Figure 4 shown, the positioning seat 21 in the embodiment includes:

[0071] The seat body 211 is arranged on the second bottom plate 13 and is located between each group of clamping assemblies 3, and the bottom surface of the seat body 211 is detachably connected with the second bottom plate.

[0072] The positioning table 212 is arranged at the center part of the positioning seat 21 and is sleeved with the expansion core chuck 22, and the workpiece 4 is located between the positioning table 212 and the clamping assembly 3.

[0073] The protrusion 213 is set on the base 211 and is integrally connected with the base 211. Its top surface is in contact with the bottom surface of the workpiece 4.

[0074] The groove 214 is a through groove, which is opened between two adjacent protrusions 213 and distributed on the outline of the seat 211, forming a continuous concave-convex surface structure with the protrusions 213.

[0075] Fastening holes 215 are provided at the diagonal position of the base 211, and the first fastener 25 passes through the fastening holes 215 to connect with the second base plate 13.

[0076] The combination of groove 214 and protrusion 213 provides convenient operating space for the assembly and disassembly of workpiece 4. Positioning table 212 provides support for the expansion chuck 22 to clamp workpiece 4 between itself and clamping assembly 3. Fastening hole 215 facilitates the first fastener 25 to install seat 211 on second base plate 13. The entire positioning seat 21 provides positioning and support in both axial and radial directions.

[0077] Specifically, such as Figure 1 and Figure 2 As shown, the clamping component 3 in this embodiment includes:

[0078] The clamping seat 31 has a concave cross section and is disposed on the second base plate 13, located on opposite sides of the positioning seat 21, and is screwed to the second base plate 13.

[0079] The cover plate 32 is disposed on the top of the clamping seat 31 and is connected to the clamping seat 31.

[0080] The positioning block 33 is set inside the clamping seat 31. One end of the block extends out of the clamping seat 31 and abuts against the outer wall of the workpiece 4. There is a gap between the side wall and the inner wall of the clamping seat 31, and a gap between the top wall and the bottom wall of the cover plate 32.

[0081] Spring 34 is disposed inside clamping seat 31. One end of spring 34 is fixedly connected to positioning block 33 and the other end is fixedly connected to clamping seat 31. Spring 34 is used to change the extension amount of positioning block 33 by telescoping.

[0082] The second fastener 35 is disposed on the cover plate 32, and its end passes through the cover plate 32 and the clamping seat 31 in sequence and is screwed to the second base plate 13.

[0083] The clamping seat 31 provides space and support for the positioning block 33 to repeatedly extend and retract. The cover plate 32 limits and protects the movement of the positioning block 33 within the clamping seat 31, preventing excessive vibration of the positioning block within the clamping seat 31 during processing, thereby indirectly ensuring the processing accuracy of the workpiece 4. Through connection with the spring 34, the workpiece 4 can repeatedly extend and retract within the clamping seat 31, and the second fastener 35 serves to fix the clamping seat 31.

[0084] Specifically, as shown in Figure 2 and Figure 3 shown, the clamping seat 31 in the embodiment includes:

[0085] The body 310 is arranged on the second bottom plate 13 and is connected to the second bottom plate 13.

[0086] The first blocking strip 311 is fixed to the body 310 and is located at a protruding part of the clamping seat 31 and is integrally connected to the body 310.

[0087] The second blocking strip 313 is two in number and is arranged on the body 310 and is located at a position opposite to the first blocking strip 311, is integrally connected to the body 310, is parallel to the first blocking strip 311, the positioning block 33 is located between the two second blocking strips 313, and the second fastener 35 passes through the cover plate 32, the first blocking strip 311, and the second blocking strip 313 in sequence and is screwed to the second bottom plate 13.

[0088] The blocking hole 312 is a blind hole and is arranged on the first blocking strip 311, the inner wall of the blind end of which is fixedly connected to the spring 34, and the spring 34 is used for telescoping in the blocking hole 312.

[0089] The structure formed by the body 310, the first blocking strip 311, and the second blocking strip 313 provides a telescoping space for the positioning block 33 and facilitates clamping and positioning of the workpiece 4. The spring 34 and the blocking hole 312 realize repeated telescoping of the positioning block 33 in the space.

[0090] Specifically, as shown in Figure 2 , the positioning block 33 in the embodiment is in a V shape or a Y shape, the opening part of which is located outside the second blocking strip 313, so that the positioning block 33 forms an abutting relationship with the workpiece 4 and realizes clamping and positioning of the workpiece 4 together with the expansion core chuck 22 in the radial direction.

[0091] Specifically, as shown in Figure 1 , the support assembly 1 in the embodiment includes:

[0092] The first bottom plate 11 is arranged on the workbench of the machining center and is detachably connected to the workbench.

[0093] The support plate 12 is at least two in number and is arranged in an array on the first bottom plate 11 and is detachably connected to the first bottom plate 11.

[0094] The second bottom plate 13 is arranged on the support plate 12 and is connected to the support plate 12 through the third fastener 14 and the positioning pin 15.

[0095] The support assembly 1 composed of the first bottom plate 11, the support plate 12, and the second bottom plate 13 realizes clamping of the workpiece 4 on the workbench of the machining center, provides a stable platform for machining of the surfaces of the batch workpieces 4, and indirectly improves the machining precision of the workpieces 4.

[0096] Specifically, as shown in Figure 1 and Figure 5 , the second bottom plate 13 is provided with a clamping groove 131, the position of the clamping groove 131 corresponds to the position of the clamping seat 31, the clamping groove 131 is inserted with the clamping seat 31, so that the clamping seat 31 can be firmly connected on the second bottom plate 13, and the positioning block 33 and the expansion core chuck 22 provide convenience for clamping the workpiece 4 in the radial direction.

[0097] Specifically, as shown in Figure 1 and Figure 5 , the number of positioning assemblies 2 in the embodiment is at least 6 groups, and they are arranged in a matrix on the second bottom plate 13, so that at least 6 workpieces 4 can be clamped at one time, and the purpose of batch processing workpieces 4 is achieved, and the time for frequent clamping of tooling is reduced

[0098] Installation of tooling

[0099] Lock the support plate 12 to the first bottom plate 11, fix it after aligning the bottom plate on the machining center, align the second bottom plate 13 with the support plate 12 through the positioning pin 15, tighten it with the third fastener 14, lock the workpiece 4 positioning seat 21, positioning block 33, clamping seat 31 on the second bottom plate 13, then put the spring 34 into the blocking hole 312 and connect it in the clamping seat 31, lock it with the second locking piece, and the installation of the tooling is completed.

[0100] Please refer to Figures 1-5 , the installation process is described as follows:

[0101] Clamping of workpiece 4

[0102] Place the workpiece 4 on the positioning seat 21, and abut against the positioning blocks 33 on both sides, then put the expansion core chuck 22 on the positioning table 212, press the plate 24 tightly on the expansion core chuck 22, and lock the locking screw 23 into the positioning table 212, use the expansion effect of the expansion core chuck 22 together with the positioning block 33 to clamp and position the workpiece 4.

[0103] As described above, the installed tooling can clamp multiple workpieces 4 at the same time, saving the time for disassembling and assembling batch workpieces 4, and also ensuring the machining accuracy of batch workpieces 4 at the same time, improving the work efficiency.

[0104] This specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and those skilled in the art can make modifications without creative contribution after reading the specification, but as long as it is within the protection scope of the utility model, it is protected by the patent law.

Claims

1. A processing tool of a multi-station auxiliary processing center for special-shaped workpieces, characterized in that, The utility model relates to a kind of machining center's worktable support device, including: Supporting assembly (1) is arranged on the worktable of machining center, and is detachably connected with the worktable; Positioning assembly (2) is arranged on the supporting assembly (1), and is detachably connected with the supporting assembly (1), and the special-shaped workpiece (4) is installed on the positioning assembly (2), for defining the machining position of the workpiece (4) from axial direction; Clamping assembly (3) is arranged on the two sides of the positioning assembly (2) every two as a group, and is detachably connected with the supporting assembly (1), and is located in the diagonal direction of the positioning assembly (2), and there is a preset distance between the positioning assembly (2), for defining the machining position of the workpiece (4) from radial direction.

2. The machining tooling for a multi-station auxiliary machining center of profiled workpieces according to claim 1, characterized in that, The positioning assembly (2) includes: Positioning seat (21) is arranged on the second bottom plate (13) of the supporting assembly (1), and is detachably connected with the second bottom plate (13), and the workpiece (4) is sleeved on the positioning seat (21); Expanding core chuck (22) is arranged on the positioning seat (21), and is sleeved with the center part of the positioning seat (21), and is located between the center part and the workpiece (4), and is used for generating swelling deformation under external force to lock the workpiece (4) between the positioning assembly (2) and the clamping assembly (3); Pressing plate (24) is arranged on the expanding core chuck (22), and is in contact with the top surface of the expanding core chuck, and is sleeved with the center part of the positioning seat (21); Locking screw (23) is arranged on the pressing plate (24), and the end thereof is screwed with the center part of the positioning seat (21), and the pressing plate (24) is fastened under external force; First fastener (25) is detachably connected on the positioning seat (21), and is located at the diagonal position of the positioning seat (21), for being screwed with the second bottom plate (13) through the positioning seat (21).

3. The machining tooling for multi-station auxiliary machining center of profiled workpieces according to claim 2, characterized in that, The positioning seat (21) includes: Seat body (211) is arranged on the second bottom plate (13), and is located between every group of clamping assemblies (3), and the bottom surface thereof is detachably connected with the second bottom plate; Positioning table (212) is arranged at the center part of the positioning seat (21), and is sleeved with the expanding core chuck (22), and the workpiece (4) is located between the positioning table (212) and the clamping assembly (3); Protrusion (213) is arranged on the seat body (211), and is integrally connected with the seat body (211), and the top surface thereof is in contact with the bottom surface of the workpiece (4); Groove (214) is a through groove, which is arranged between adjacent two protrusions (213), and is distributed on the contour line of the seat body (211), and forms a continuous concave-convex surface structure with the protrusion (213); Fastening hole (215) is arranged at the diagonal position of the seat body (211), and the first fastener (25) is connected with the second bottom plate (13) through the fastening hole (215).

4. The machining tooling for multi-station auxiliary machining center of profiled workpieces according to claim 2, characterized in that, The clamping assembly (3) includes: Clamping seat (31) is arranged on the second bottom plate (13), and is located at the diagonal two sides of the positioning seat (21), and is screwed with the second bottom plate (13). A cover plate (32) is arranged on the top of the clamping seat (31) and connected with the clamping seat (31); A positioning block (33) is arranged in the clamping seat (31), one end of which protrudes from the clamping seat (31) and abuts against the outer wall of the workpiece (4), and there is a gap between the side wall of the positioning block (33) and the inner wall of the clamping seat (31), and there is a gap between the top wall of the positioning block (33) and the bottom wall of the cover plate (32); A spring (34) is arranged in the clamping seat (31), one end of which is fixedly connected with the positioning block (33), and the other end is fixedly connected with the clamping seat (31), which is used to change the protruding amount of the positioning block (33) by stretching and contracting; A second fastener (35) is arranged on the cover plate (32), and the end of the second fastener (35) passes through the cover plate (32), the clamping seat (31) and the second bottom plate (13) in sequence and is screwed with the second bottom plate (13).

5. The machining tooling for multi-station auxiliary machining center of profiled workpieces according to claim 4, characterized in that, The clamping seat (31) comprises: A body (310) is arranged on the second bottom plate (13) and is inserted with the second bottom plate (13); A first blocking strip (311) is fixed on the body (310) and located at the protruding part of the clamping seat (31) and is integrally connected with the body (310); Two second blocking strips (313) are arranged on the body (310) and are located at the opposite positions of the first blocking strip (311), are integrally connected with the body (310), are parallel to the first blocking strip (311), the positioning block (33) is located between the two second blocking strips (313), and the second fastener (35) passes through the cover plate (32), the first blocking strip (311), the second blocking strip (313) and the second bottom plate (13) in sequence and is screwed with the second bottom plate (13); A blocking hole (312) is a blind hole and is arranged on the first blocking strip (311), the inner wall of the blind end of the blocking hole (312) is fixedly connected with the spring (34), and the spring (34) is used to stretch and contract in the blocking hole (312).

6. The machining tooling for multi-station auxiliary machining center of profiled workpieces according to claim 5, characterized in that, The positioning block (33) is V-shaped or Y-shaped, and the opening part of the positioning block (33) is located outside the second blocking strip (313).

7. The machining tooling for multi-station auxiliary machining center of profiled workpieces according to claim 4, characterized in that, The support assembly (1) comprises: A first bottom plate (11) is arranged on the workbench of the machining center and is detachably connected with the workbench; At least two support plates (12) are arranged on the first bottom plate (11) in an array and are detachably connected with the first bottom plate (11); A second bottom plate (13) is arranged on the support plate (12) and is connected with the support plate (12) through a third fastener (14) and a positioning pin (15).

8. The machining tooling for multi-station auxiliary machining center of profiled workpieces according to claim 2, characterized in that, A clamping groove (131) is arranged on the second bottom plate (13) and corresponds to the position of the clamping seat (31), and the clamping groove (131) is inserted with the clamping seat (31).

9. The machining tooling for multi-station auxiliary machining center of profiled workpieces according to claim 2, characterized in that, The number of the positioning assemblies (2) is at least six, and the positioning assemblies (2) are arranged on the second bottom plate (13) in a matrix arrangement.

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