Tool capable of achieving CNC multi-piece clamping and rapid remodeling

Abstract

The utility model belongs to the technical field of CNC (Computer Numerical Control) clamps, and particularly relates to a tool capable of realizing CNC multi-piece clamping and quick remodeling, which comprises a tool bottom plate, a fixed seat is mounted at the top of the tool bottom plate; air cylinders are mounted on the two sides of the top of the fixed seat; a pushing block guide plate is mounted at the top of the fixed seat; the air cylinder is connected with the pushing block guide plate; a pushing fixing block is installed on the side wall of the side, away from the air cylinder, of the pushing block guide plate. During working, if the size of a product has an error, the pushing rod adjusts the stroke of the pushing block by taking the pin as a shaft, so that the stress problem of the product is solved; the whole device solves the problem of simultaneous machining and clamping of multiple products in the CNC machining process, pneumatic clamping can be achieved, multiple products can be output through one die, model changing is convenient, operation is convenient, and the production efficiency can be improved; the overall device reduces the situation that when a certain number of products are placed, the products are frequently replaced, and consequently working time is prolonged; and when the fixing assembly of the product needs to be replaced, the fixing steps are relatively tedious.

Description

Technical Field

[0001] The utility model belongs to the technical field of CNC fixtures, in particular to a fixture which can realize CNC multi-piece clamping and can be quickly changed. Background Art

[0002] Before CNC machining, in order to make the product positioning more stable and the machining accuracy more accurate, clamping fixtures are often used to clamp the product; by using clamping fixtures, the stability of the product during machining can also be effectively improved.

[0003] In the current existing technology, the clamping tooling is often composed of components such as a fixed base and a clamping assembly. After the clamping assembly is fixed by the fixing assembly, the product to be processed can be fixed by the clamping assembly.

[0004] Existing clamping tooling fixes a single product during operation. Although there is no need to consider collisions between multiple products, when faced with a certain amount of products, products need to be frequently replaced, resulting in increased working time. Moreover, when the fixing components of the product need to be replaced, the fixing steps are relatively cumbersome. Therefore, to address the above problems, a tooling that realizes CNC multi-piece clamping and can quickly change models is proposed. Utility Model Content

[0005] In order to remedy the deficiencies of the prior art and solve at least one of the technical problems raised in the background art, the present invention proposes a tooling that realizes CNC multi-piece clamping and can be quickly changed.

[0006] The technical solution adopted by the present invention to solve its technical problems is: the utility model describes a tooling that realizes CNC multi-piece clamping and can be quickly changed, including a tooling base plate; a fixed seat is installed on the top of the tooling base plate; cylinders are installed on both sides of the top of the fixed seat; a push block guide plate is installed on the top of the fixed seat; the cylinder and the push block guide plate are connected to each other; a push fixing block is installed on the side wall of the push block guide plate away from the cylinder; a first product fixing plate is provided on the top of the fixed seat; a product to be processed is provided on the top of the first product fixing plate; a second product fixing plate is provided on one side of the first product fixing plate; the second product fixing plate, the first product fixing plate, the fixed seat and the tooling base plate are all penetrated by fixed through holes; a fixed column is slidably fitted inside the fixed through hole; and a mounting slot is provided on the top of the fixed seat.

[0007] The gear train is connected to the transmission gear of the present invention and the transmission gear is connected to the transmission gear of the present invention on the transmission gear of the present invention on the transmission gear of the present invention on the transmission gear of the present invention on the transmission gear of the present invention on the transmission gear of the present invention on the transmission gear of the present invention on the transmission gear of the present invention on the transmission gear of the present invention on the transmission gear of the present invention on the transmission gear of the present invention on the transmission gear of the present invention on the transmission gear of the present invention

[0008] Preferably, both sides of the top of the fixing seat are fixed with storage boxes; the inner side of the storage box is slidably connected to a push plate; the inner side wall of the storage box away from the conveyor belt is fixed with multiple groups of second spring columns; the second spring columns and the push plate are connected to each other.

[0009] Preferably, the third transmission shaft is rotatably connected to a connecting shaft at one end away from the first transmission gear; the bottom of the fixed seat is slidably connected to a first ratchet; the first ratchet is sleeved on the outside of the connecting shaft; the outside of the connecting shaft is slidably connected to a second ratchet; the second ratchet is engaged with the first ratchet.

[0010] Preferably, the side wall of the second ratchet wheel away from the third transmission shaft is fixedly connected to multiple groups of connecting rods; and the end of the connecting rod away from the third transmission shaft is fixedly connected to an operating disk.

[0011] Preferably, a magnetic plate is fixedly connected to the side wall of the storage box away from the conveyor belt and the side wall of the push plate close to the conveyor belt; the magnetic plate is arranged on the inner side of a pair of second spring columns.

[0012] Preferably, a support plate is fixed to the bottom of the fixing seat.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides a tooling that can realize CNC multi-piece clamping and quick changeover. When the product type needs to be changed, only the first product fixing plate or the second product fixing plate needs to be replaced to complete the quick changeover of the product. And the traditional fixed plate and the traditional movable plate of the normal vise are both two straight lines. The dimensional tolerance of the product will cause uneven clamping force received by the product, and the processed product will have adverse results such as tool vibration or dimensional instability. The present invention can reduce the probability of this problem. The cylinder operates and pushes the push rod arranged on the push block guide plate forward as a whole. If there is an error in the product size, the push rod adjusts the push block stroke with the pin as the axis, thereby solving the product force problem. The overall device solves the problem of simultaneous processing and clamping of multiple products during CNC machining, can be pneumatically clamped, one mold can produce multiple products, is convenient for changeover, easy to operate, and can improve production efficiency. The overall device reduces the frequent replacement of products when facing a certain amount of products, which leads to increased working time. And when the fixing components of the product need to be replaced, the fixing steps are relatively cumbersome.

[0015] 2. The utility model provides a tooling that can realize CNC multi-piece clamping and rapid changeover. In the process of the fixing column installing the first product fixing plate or the second product fixing plate on the top of the fixing seat through the fixing through hole, the fixing column presses the extrusion plate downward, and in the process of the rack moving downward, the third transmission shaft is driven to rotate by the second transmission gear and the first transmission gear, and the rotating third transmission shaft can drive the conveyor belt to rotate through the second transmission shaft and the first transmission shaft. The rotating conveyor belt can discharge the debris accumulated on the top to the outside; thereby improving the cleanliness of the top surface of the fixing seat; and reducing the accumulation of debris generated by processing between the push block guide plate and the first product fixing plate, resulting in poor fixing effect on the product; the overall device improves the stability of the push block guide plate, the push fixing block and the first product fixing plate when working for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0017] In the attached figure:

[0018] Figure 1 This is a three-dimensional diagram of the mounting base of the utility model;

[0019] Figure 2 It is a three-dimensional diagram of the fixing seat in the utility model;

[0020] Figure 3 It is a three-dimensional diagram of the installation notch in the utility model;

[0021] Figure 4This is a three-dimensional diagram of the first transmission shaft in the present utility model;

[0022] Figure 5 yes Figure 4 A magnified view of point A;

[0023] Figure 6 It is a three-dimensional diagram of the extruded plate in the present utility model.

[0024] Legend:

[0025] 1. Fixed seat; 11. Tooling base; 12. Cylinder; 13. Push block guide plate; 14. Push fixed block; 15. First product fixing plate; 16. Product to be processed; 17. Fixing through hole; 18. Fixing column; 19. Mounting notch; 110. Second product fixing plate; 2. Storage slot; 21. Conveyor belt; 22. First transmission shaft; 23. Second transmission shaft; 24. Third transmission shaft; 25. First transmission gear; 26. Second transmission gear; 27. Connecting plate; 28. First spring column; 29. ​​Rack; 210. Extrusion plate; 3. Storage box; 31. Push plate; 32. Second spring column; 4. Connecting shaft; 41. First ratchet; 42. Second ratchet; 5. Connecting rod; 51. Operating panel; 6. Magnetic plate; 7. Support plate. DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] Specific examples are given below.

[0028] See also Figure 1 - Figure 6The present invention provides a tooling that can realize CNC multi-piece clamping and rapid changeover, including a tooling base 11; a fixing seat 1 is installed on the top of the tooling base 11; cylinders 12 are installed on both sides of the top of the fixing seat 1; a push block guide plate 13 is installed on the top of the fixing seat 1; the cylinder 12 and the push block guide plate 13 are connected to each other; a push fixing block 14 is installed on the side wall of the push block guide plate 13 away from the cylinder 12; a first product fixing plate 15 is provided on the top of the fixing seat 1; a product to be processed 16 is provided on the top of the first product fixing plate 15; a second product fixing plate 110 is provided on one side of the first product fixing plate 15; the second product fixing plate 110. The first product fixing plate 15, the fixing seat 1, and the tooling base 11 are all provided with fixing through-holes 17; a fixing column 18 is slidably fitted inside the fixing through-holes 17; a mounting notch 19 is provided on the top of the fixing seat 1; during operation, the first product fixing plate 15 or the second product fixing plate 110 is selected according to the size of the product; after selecting the first product fixing plate 15, the product to be processed 16 is placed on top of the first product fixing plate 15 or the second product fixing plate 110, and the cylinder 12 is activated. The cylinder 12 cooperates with the pushing and fixing block 14 through the pushing block guide plate 13 to fix the product between the pushing and fixing block 14 and the first product fixing plate 15; The first product fixing plate 15 and the second product fixing plate 110 are provided with positioning steps at the bottom, so that the first product fixing plate 15 or the second product fixing plate 110 can be matched with the installation slot 19 provided on the top of the fixing seat 1, and the first product fixing plate 15 or the second product fixing plate 110 can be fixed to the top of the fixing seat 1 through the installation slot 19 through the fixing column 18 and the fixing through hole 17. When the product type needs to be changed, only the first product fixing plate 15 or the second product fixing plate 110 needs to be replaced to complete the rapid change of the product. The two planes of the traditional fixed plate and the traditional movable plate of the normal vise are two straight lines, and the dimensional tolerance of the product will cause the product to be clamped. If the tightening force is uneven, the processed products will have adverse results such as tool vibration or unstable size. This structure can reduce the probability of this problem. The cylinder 12 works and pushes the push rod set on the push block guide plate 13 forward as a whole. If there is an error in the product size, the push rod adjusts the push block stroke with the pin as the axis, thereby solving the product force problem; the overall device solves the problem of simultaneous processing and clamping of multiple products during CNC processing. It can be pneumatically clamped, one mold can produce multiple products, it is convenient to change the model, easy to operate, and can improve production efficiency; the overall device reduces the frequent replacement of products when facing a certain amount of products, which leads to increased working time; and when the fixing components of the product need to be replaced, the fixing steps are more cumbersome.

[0029] like Figure 3 and Figure 6As shown, the top of the fixing seat 1 and the tooling base plate 11 are both provided with a storage groove 2; the top of the fixing seat 1 is rotatably connected to the conveyor belt 21; the inner side of the conveyor belt 21 is rotatably connected to the first transmission shaft 22; the first transmission shaft 22 is located inside the storage groove 2 at one end away from the conveyor belt 21; the inner side of the storage groove 2 is rotatably connected to the second transmission shaft 23; the second transmission shaft 23 and the first transmission shaft 22 are meshed with each other; the bottom of the tooling base plate 11 is rotatably connected to the third transmission shaft 24; the third transmission shaft 24 and the second transmission shaft 23 are meshed with each other The bottom of the tooling base plate 11 is rotatably connected to the first transmission gear 25; the third transmission shaft 24 is meshed with the first transmission gear 25; the first transmission gear 25 is rotatably connected to the second transmission gear 26 at one end away from the second transmission shaft 23; a connecting plate 27 is fixed to the bottom of the tooling base plate 11; a first spring column 28 is fixed to the top of the connecting plate 27; a rack 29 is fixed to the top of the first spring column 28; the rack 29 is meshed with the second transmission gear 26; the top of the rack 29 is fixed to the extrusion plate 210; when the product is working, C During the NC machining process, the debris generated will accumulate between the first product fixing plate 15 and the push block guide plate 13, and will accumulate on the top of the conveyor belt 21; after the top of the first product fixing plate 15 or the second product fixing plate 110 is installed on the top of the fixing seat 1 through the installation notch 19, the fixing column 18 is installed on the top of the fixing seat 1 through the fixing through hole 17. During the process of the first product fixing plate 15 or the second product fixing plate 110 being installed on the top of the fixing seat 1, the fixing column 18 presses the extrusion plate 210 downward, and during the downward movement of the rack 29, the second transmission gear 26 and the first transmission gear 25 drive the first product fixing plate 15 or the second product fixing plate 110 to move downward. The three transmission shafts 24 rotate, and the rotating third transmission shaft 24 can drive the conveyor belt 21 to rotate through the second transmission shaft 23 and the first transmission shaft 22. The rotating conveyor belt 21 can discharge the debris accumulated on the top to the outside; thereby improving the cleanliness of the top surface of the fixing seat 1; and reducing the accumulation of debris generated by processing between the push block guide plate 13 and the first product fixing plate 15, resulting in poor fixing effect on the product; the overall device improves the stability of the push block guide plate 13, the push fixing block 14 and the first product fixing plate 15 when working for a long time.

[0030] like Figure 4As shown, storage boxes 3 are fixedly connected to both sides of the top of the fixed base 1; a push plate 31 is slidably connected to the inner side of the storage box 3; multiple groups of second spring columns 32 are fixedly connected to the side wall of the inner side of the storage box 3 away from the conveyor belt 21; the second spring columns 32 and the push plate 31 are connected to each other; when working, the multiple groups of second spring columns 32 push the push plate 31 to move inside the storage box 3, so that the end of the push plate 31 away from the storage box 3 is in contact with the outer wall of the conveyor belt 21, thereby guiding the debris accumulated on the top of the rotating conveyor belt 21, thereby reducing the occurrence of debris on the top of the conveyor belt 21 entering the connection between the fixed base 1 and the two ends of the conveyor belt 21.

[0031] like Figure 5 As shown, the third transmission shaft 24 is rotatably connected to the connecting shaft 4 at one end away from the first transmission gear 25; the bottom of the fixed seat 1 is slidably connected to the first ratchet 41; the first ratchet 41 is sleeved on the outside of the connecting shaft 4; the outside of the connecting shaft 4 is slidably connected to the second ratchet 42; the second ratchet 42 and the first ratchet 41 are meshed with each other; when working, the second ratchet 42 is moved on the outside of the connecting shaft 4, so that the second ratchet 42 and the first ratchet 41 are meshed with each other, thereby restricting the rotatable third transmission shaft 24, thereby reducing the situation where the fixed column 18 is pushed upward a distance by the extrusion plate 210, and reducing the situation where the protruding fixed column 18 collides with the CNC processing device.

[0032] like Figure 4 and Figure 5 As shown, the side wall of the second ratchet 42 away from the third transmission shaft 24 is fixedly connected to multiple groups of connecting rods 5; the end of the connecting rod 5 away from the third transmission shaft 24 is fixedly connected to an operating disk 51; when working, the staff can drive the second ratchet 42 to move through the connecting rod 5 by operating the operating disk 51, thereby improving the ease of moving the second ratchet 42.

[0033] like Figure 4 As shown, the side wall of the inner side of the storage box 3 away from the conveyor belt 21 and the side wall of the push plate 31 close to the conveyor belt 21 are both fixedly connected with a magnetic plate 6; the magnetic plate 6 is arranged on the inner side of a pair of second spring columns 32; when working, the pair of magnetic plates 6 repel each other due to magnetic force, so that the side wall of the push plate 31 and the outer wall of the conveyor belt 21 are more closely fitted, thereby improving the stability of the push plate 31 when fitting the side wall of the conveyor belt 21.

[0034] like Figure 4 As shown, a support plate 7 is fixed to the bottom of the fixing seat 1 ; when working, the support plate 7 can support the bottom of the extrusion plate 210 , and the support plate 7 can reduce the load at the connection between the rack 29 and the extrusion plate 210 .

[0035] Working principle: When working, the first product fixing plate 15 or the second product fixing plate 110 is selected according to the different sizes of the products; after the first product fixing plate 15 is selected, the product to be processed 16 is placed on the top of the first product fixing plate 15 or the second product fixing plate 110, and the cylinder 12 is started. The cylinder 12 can cooperate with the pushing block guide plate 13 and the pushing fixing block 14 to fix the product between the pushing fixing block 14 and the first product fixing plate 15; the first product fixing plate 15 and the second product fixing plate 110 are provided with positioning steps at the bottom, so that the first product fixing plate 15 or the second product fixing plate 110 can be matched with the installation notch 19 provided on the top of the fixing seat 1, and the fixing column 18 cooperates with the fixing through-hole 17 to fix the first product fixing plate 15 or the second product fixing plate 110. A product fixing plate 15 or a second product fixing plate 110 is fixed to the top of the fixing seat 1 through the mounting notch 19; when the product type needs to be changed, only the first product fixing plate 15 or the second product fixing plate 110 needs to be replaced to complete the quick change of the product; and the two planes of the traditional fixed plate and the traditional movable plate of a normal vise are two straight lines. The dimensional tolerance of the product will cause uneven clamping force on the product, and the processed product will have adverse results such as tool vibration or dimensional instability. This structure can reduce the probability of this problem. The cylinder 12 works and pushes the push rod set on the push block guide plate 13 forward as a whole. If there is an error in the product size, the push rod adjusts the push block stroke with the pin as the axis, thereby solving the problem of product force; the overall device solves CN C During the processing of multiple products, the problem of simultaneous processing and clamping can be solved by pneumatic clamping, which allows for multiple products to be produced from one mold, making it easy to change molds and easy to operate, thereby improving production efficiency. The overall device reduces the need to frequently change products when facing a certain amount of products, which increases working time. When the fixing components of the product need to be replaced, the fixing steps are relatively cumbersome. During the CNC processing of the product, the debris generated will accumulate between the first product fixing plate 15 and the push block guide plate 13, and will accumulate on the top of the conveyor belt 21. After the top of the first product fixing plate 15 or the second product fixing plate 110 is installed on the top of the fixing seat 1 through the mounting notch 19, the fixing column 18 fixes the first product fixing plate 15 or the second product fixing plate 110 on the top of the fixing seat 1 through the fixing through hole 17. During the process, the fixed column 18 presses the extrusion plate 210 downward, and during the downward movement of the rack 29, the third transmission shaft 24 is driven to rotate through the second transmission gear 26 and the first transmission gear 25, and the rotating third transmission shaft 24 can drive the conveyor belt 21 to rotate through the second transmission shaft 23 and the first transmission shaft 22. The rotating conveyor belt 21 can discharge the debris accumulated on the top to the outside; thereby improving the cleanliness of the top surface of the fixed seat 1; and reducing the accumulation of debris generated by processing between the push block guide plate 13 and the first product fixing plate 15, resulting in poor fixing effect on the product; the overall device improves the stability of the push block guide plate 13, the push fixing block 14 and the first product fixing plate 15 when working for a long time;The plurality of second spring columns 32 push the push plate 31 to move inside the storage box 3, so that the push plate 31 is away from one end of the storage box 3 and fits against the outer wall of the conveyor belt 21, thereby guiding the debris accumulated on the top of the rotating conveyor belt 21, thereby reducing the occurrence of the debris on the top of the conveyor belt 21 entering the connection between the fixed seat 1 and the two ends of the conveyor belt 21; by moving the second ratchet 42 outside the connecting shaft 4, the second ratchet 42 and the first ratchet 41 are meshed with each other, thereby restricting the rotatable third transmission shaft 24, thereby reducing the fixing column 18 being pushed up a certain distance by the extrusion plate 210. The distance between the protruding fixed column 18 and the CNC processing device is reduced, and the possibility of collision between the protruding fixed column 18 and the CNC processing device is reduced; the operator can drive the second ratchet 42 to move through the connecting rod 5 by operating the operating panel 51, thereby improving the ease of moving the second ratchet 42; the pair of magnetic plates 6 repel each other due to magnetic force, so that the side wall of the push plate 31 is more closely aligned with the outer wall of the conveyor belt 21, thereby improving the stability of the push plate 31 when it is in contact with the side wall of the conveyor belt 21; the support plate 7 can support the bottom of the extrusion plate 210, and the support plate 7 can reduce the load at the connection between the rack 29 and the extrusion plate 210.

[0036] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A tooling for realizing CNC multi-piece clamping and rapid changeover, comprising a tooling base plate (11); characterized in that: A fixing seat (1) is installed on the top of the tooling base plate (11); cylinders (12) are installed on both sides of the top of the fixing seat (1); a push block guide plate (13) is installed on the top of the fixing seat (1); the cylinder (12) and the push block guide plate (13) are connected to each other; a push fixing block (14) is installed on the side wall of the push block guide plate (13) away from the cylinder (12); a first product fixing plate (15) is provided on the top of the fixing seat (1); a product to be processed (16) is provided on the top of the first product fixing plate (15); a second product fixing plate (110) is provided on one side of the first product fixing plate (15); the second product fixing plate (110), the first product fixing plate (15), the fixing seat (1) and the tooling base plate (11) are all penetrated by fixing through holes (17); a fixing column (18) is slidably fitted inside the fixing through hole (17); and a mounting notch (19) is provided on the top of the fixing seat (1).

2. According to claim 1, a tooling for realizing CNC multi-piece clamping and rapid changeover, characterized in that: The top of the fixed seat (1) and the tooling bottom plate (11) are both provided with a storage groove (2); the top of the fixed seat (1) is rotatably connected to a conveyor belt (21); the inner side of the conveyor belt (21) is rotatably connected to a first transmission shaft (22); the first transmission shaft (22) is arranged on the inner side of the storage groove (2) at an end away from the conveyor belt (21); the inner side of the storage groove (2) is rotatably connected to a second transmission shaft (23); the second transmission shaft (23) and the first transmission shaft (22) are meshed with each other; the bottom of the tooling bottom plate (11) is rotatably connected to a third transmission shaft (24); the third transmission shaft (24) and the second transmission shaft (23) are meshed with each other. ) are meshed with each other; the bottom of the tooling base plate (11) is rotatably connected to a first transmission gear (25); the third transmission shaft (24) and the first transmission gear (25) are meshed with each other; the first transmission gear (25) is rotatably connected to one end away from the second transmission shaft (23) and the second transmission gear (26); a connecting plate (27) is fixedly connected to the bottom of the tooling base plate (11); a first spring column (28) is fixedly connected to the top of the connecting plate (27); a rack (29) is fixedly connected to the top of the first spring column (28); the rack (29) and the second transmission gear (26) are meshed with each other; and an extrusion plate (210) is fixedly connected to the top of the rack (29).

3. The tooling for realizing CNC multi-piece clamping and rapid changeover according to claim 2 is characterized in that: Both sides of the top of the fixed seat (1) are fixedly connected to storage boxes (3); a push plate (31) is slidably connected to the inside of the storage box (3); a side wall of the inside of the storage box (3) away from the conveyor belt (21) is fixedly connected to multiple groups of second spring columns (32); the second spring columns (32) and the push plate (31) are connected to each other.

4. The tooling for realizing CNC multi-piece clamping and rapid changeover according to claim 2 is characterized in that: The third transmission shaft (24) is rotatably connected to a connecting shaft (4) at one end away from the first transmission gear (25); a first ratchet (41) is slidably connected to the bottom of the fixing seat (1); the first ratchet (41) is sleeved on the outside of the connecting shaft (4); a second ratchet (42) is slidably connected to the outside of the connecting shaft (4); and the second ratchet (42) and the first ratchet (41) are meshed with each other.

5. The tooling for realizing CNC multi-piece clamping and rapid changeover according to claim 4, characterized in that: A plurality of groups of connecting rods (5) are fixedly connected to the side wall of the second ratchet wheel (42) at a side away from the third transmission shaft (24); an operating disk (51) is fixedly connected to one end of the connecting rod (5) away from the third transmission shaft (24).

6. The tooling for realizing CNC multi-piece clamping and rapid changeover according to claim 3 is characterized in that: A magnetic plate (6) is fixedly connected to a side wall of the storage box (3) on the inner side away from the conveyor belt (21) and a side wall of the push plate (31) on the inner side close to the conveyor belt (21); the magnetic plate (6) is arranged on the inner side of a pair of second spring columns (32).

7. The tooling for realizing CNC multi-piece clamping and rapid changeover according to claim 1, characterized in that: A support plate (7) is fixedly connected to the bottom of the fixing seat (1).

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