CN114535422A

CN114535422A - Multi-section control mold for numerical control

Info

Publication number: CN114535422A
Application number: CN202210204797.1A
Authority: CN
Inventors: 吕晋; 王锐
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-05-27

Abstract

The invention relates to the field of dies, in particular to a multi-section control die for numerical control, which comprises a bottom plate, a limiting part, a punching lower die set, a guide rod, a punching upper die set and a winding part, wherein the bottom plate is provided with a plurality of guide rods; the lower punching die set and the upper punching die set can be matched with each other to realize the function of multi-station continuous processing, so that the production time consumption is reduced, the manufacturing period of the concave connecting piece is shortened, and the production efficiency is improved; spacing part can carry on spacingly to it when the flitch material loading through spacing round, guaranteed the steady transport of flitch, in stamping process, the L shape that sets up on the module on the punching press is rectified the position board and can in time carry on spacingly to the flitch, has solved the easy problem that takes place the skew of flitch in stamping process, has improved the machining precision who punches a hole simultaneously, the shaping unit can carry on spacingly to the left and right sides of spill connecting piece in the forming process, improved shaping efficiency, guaranteed the shaping quality, and then improved the qualification rate of spill connecting piece.

Description

Multi-section control mold for numerical control

Technical Field

The invention relates to the field of dies, in particular to a multi-section control die for numerical control.

Background

The die is a tool for making a blank into a specific shape or size under the action of external force, generally consists of an upper die and a lower die, and is widely applied to the stamping forming process. The concave connecting piece is a common connecting piece, is provided with a mounting hole for fixing, and is generally manufactured by adopting a die stamping forming process.

At present, the most adoption of single mould stamping forming of current spill connecting piece, punch a hole to it again, thereby obtain the finished product, so just need many equipment cooperation to use, not only can increase production time consumption, prolong the manufacturing cycle of spill connecting piece, still can reduce production efficiency, furthermore, a mode through multistage control mould production and processing spill connecting piece, but it is at the punching press in-process, because do not carry on spacingly to the flitch, make the flitch take place the skew easily in the punching press in-process, thereby lead to the punching press to warp, also can appear the deviation when arriving at the station of punching a hole afterwards, thereby the machining precision who punches a hole has been influenced, off-the-shelf qualification rate has been reduced, still caused the waste of material, lead to the increase of manufacturing cost.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a multi-section control die for numerical control.

The technical scheme adopted by the invention for solving the technical problems is as follows: a multi-section control die for numerical control comprises a bottom plate, a limiting part, a punching lower die set, a guide rod, a punching upper die set and a winding part, wherein the limiting part is arranged at a position, close to the left end, of the upper end surface of the bottom plate;

the lower stamping die set comprises a No. two Contraband type frame, reinforcing ribs, a prepressing bottom die, a first punching bottom die, a forming bottom die, a second punching bottom die, a cutting bottom die, a material guide plate, a material receiving frame and a telescopic head, wherein the No. two Contraband type frame is arranged on the right side of the limiting part, the No. two Contraband type frame is downward in opening, the reinforcing ribs are uniformly arranged between the upper end inside the No. two Contraband type frame and the bottom plate from left to right, the prepressing bottom die, the first punching bottom die, the forming bottom die, the second punching bottom die and the cutting bottom die are sequentially arranged on the upper end surface of the No. two Contraband type frame from left to right, the material guide plate is fixedly arranged on the right side wall of the cutting bottom die, the material receiving frame is arranged below the material guide plate, the material receiving frame is placed on the bottom plate, the prepressing bottom die, the first punching bottom die, the forming bottom die, the second punching bottom die and the upper end surface of the cutting bottom die are all provided with cylindrical blind holes, and the corners are arranged in the cylindrical blind holes;

punching press upper die set correct a board and coupling spring including sliding template, connecting rod, punching press lower bolster, L shape, wherein be close to the position slip cap of upper end on the guide bar and be equipped with sliding template, the terminal surface evenly is provided with the connecting rod from a left side to the right side under the sliding template, connecting rod lower extreme fixed mounting has the punching press lower bolster, the position slip that is close to the lower extreme on the connecting rod is provided with L shape and corrects a board, L shape is corrected a board lower extreme and is the wedge form, the cover is equipped with coupling spring on L shape corrects the connecting rod between a board and the sliding template.

Preferably, spacing part include Contraband type frame, the riser, the mounting bracket, spacing wheel, rectangle spout and compression spring, wherein Contraband type frame is installed to the position that the bottom plate up end is close to the left end, Contraband type frame opening down, Contraband type frame up end has seted up the rectangle spout near the symmetry at front and back both ends, it is provided with the riser to slide in the rectangle spout, install compression spring between two sets of riser back and the rectangle spout, two sets of riser opposite faces evenly are connected with the mounting bracket from a left side to the right side, install spacing wheel on the mounting bracket.

Preferably, the middle part of the limiting wheel is provided with an annular limiting groove.

Preferably, the forming bottom die comprises a concave die shell, a forming unit and a buffer unit, wherein the concave die shell is arranged in the middle of the upper end face of the second Contraband-shaped frame, the forming unit is arranged in the concave die shell, the buffer unit is arranged at the bottom of the concave die shell, and the lower end of the buffer unit extends into the concave die shell and is in contact with the forming unit.

Preferably, the forming unit comprises a first rectangular cavity, a first air bag, a reset spring, a rubber air pipe, a second rectangular cavity, a second air bag, a T-shaped rod, a spiral spring and a forming plate, wherein the lower end inside the concave mould shell is provided with the first rectangular cavity, the first air bag is arranged in the first rectangular cavity, the reset spring is uniformly arranged inside the first air bag from left to right, the second rectangular cavity is symmetrically arranged on the left side and the right side inside the concave mould shell, the second air bag is arranged in the second rectangular cavity, the first air bag is communicated with the second air bag through the rubber air pipe, the T-shaped rod is slidably attached to the opposite side of the second air bag, one end of the T-shaped rod, far away from the second air bag, extends to the inner side of the concave mould shell and is fixedly connected with the forming plate, the lower end of the forming plate is in sliding fit with the concave mould shell, the spiral spring is sleeved on the T-shaped rod between the forming plate and the second air bag, two ends of the spiral spring are respectively fixedly connected with the forming plate and the concave formwork.

Preferably, the buffering unit include stripper plate, montant, buffer spring and diaphragm, wherein concave die shell bottom is provided with the stripper plate, the montant is evenly installed to the terminal surface under the stripper plate, the montant lower extreme extends to in the rectangle cavity and fixedly connected with diaphragm, the slip cover is equipped with buffer spring on the montant between stripper plate and the concave die shell.

Preferably, the inside of the cutting bottom die is in a slope shape inclining downwards to the right, and the cutting bottom die can fall to the bottom of the cutting bottom die after being cut by the finished concave connecting piece, so that the cutting bottom die can slide downwards to the material guide plate through the slope.

Preferably, the rolling part include curb plate, driving motor, driving pulley, endless belt, driven pulleys, axis of rotation and wind-up roll, wherein the curb plate is installed to the symmetry around the position that the bottom plate is close to the right-hand member, the position that is close to the upper end between the curb plate passes through the bearing and rotates and install the axis of rotation, be provided with the wind-up roll in the axis of rotation, the axis of rotation front end extends to the curb plate front side and installs driven pulleys through some modes of key-type, the driven pulleys below is provided with driving pulley, link to each other through endless belt between driving pulley and the driven pulleys, driving pulley installs on driving motor's output shaft through the mode of key-type connection, driving motor passes through the motor frame setting on the curb plate.

The invention has the beneficial effects that:

(1) according to the multi-section control die for numerical control, the lower punching die set and the upper punching die set can be matched with each other, so that the function of punching a plurality of stations of a material plate simultaneously is realized, the production time consumption is reduced, the manufacturing period of a concave connecting piece is shortened, and the production efficiency is improved;

(2) according to the multi-section control die for numerical control, the limiting part can limit the flitch when the flitch is fed through the limiting wheel, so that stable conveying of the flitch is guaranteed, the L-shaped position correcting plate arranged on the punching upper module can limit the flitch in time in the punching process, and the problem that the flitch is easy to shift in the punching process is avoided, so that punching deformation is prevented, the machining precision of punching is improved, the forming unit can limit the left side and the right side of the concave connecting piece in the forming process, the forming efficiency is improved, the forming quality is guaranteed, and the finished product qualification rate of the concave connecting piece is improved;

(3) according to the multi-section control die for numerical control, the winding part can wind the rest material plate in time after each cutting process, so that the waste of materials can be reduced, the production cost is reduced, and the benefit of enterprises is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of a bottom plate, a limiting member and a lower stamping die set according to the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2 at A in the present invention;

FIG. 4 is a half sectional view of the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 4 at B in the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 5 at C in the present invention;

fig. 7 is an enlarged view of fig. 4 at D according to the present invention.

In the figure: 1. a base plate; 2. a limiting component; 21. model I Contraband; 22. a vertical plate; 23. a mounting frame; 24. a limiting wheel; 25. a rectangular chute; 26. a compression spring; 3. punching a lower die set; 31. model Contraband II; 32. reinforcing ribs; 33. prepressing a bottom die; 34. a first punching bottom die; 35. forming a bottom die; 351. a concave mould shell; 352. a molding unit; 3521. a first rectangular cavity; 3522. a first airbag; 3523. a return spring; 3524. a rubber air pipe; 3525. a second rectangular cavity; 3526. a second airbag; 3527. a T-shaped rod; 3528. a coil spring; 3529. forming a plate; 353. a buffer unit; 3531. a pressing plate; 3532. a vertical rod; 3533. a buffer spring; 3534. a transverse plate; 36. a second punching bottom die; 37. cutting off the bottom die; 38. a material guide plate; 39. a material receiving frame; 310. a telescopic head; 4. a guide bar; 5. a stamping upper module; 51. sliding the template; 52. a connecting rod; 53. stamping a lower template; 54. an L-shaped position correction plate; 55. a connecting spring; 6. a winding component; 61. a side plate; 62. a drive motor; 63. a driving pulley; 64. an endless belt; 65. a driven pulley; 66. a rotating shaft; 67. and (7) winding the roller.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1, a multi-section control die for numerical control comprises a bottom plate 1, a limiting part 2, a lower stamping die set 3, a guide rod 4, an upper stamping die set 5 and a winding part 6, wherein the limiting part 2 is arranged at a position, close to the left end, of the upper end surface of the bottom plate 1, the lower stamping die set 3 is installed on the right side of the limiting part 2, the guide rod 4 is connected to a corner of the upper end surface of the lower stamping die set 3, the upper stamping die set 5 is slidably arranged on the guide rod 4, and the winding part 6 is installed on the right side of the lower stamping die set 3;

referring to fig. 1 to 3, the limiting part 2 includes an Contraband-shaped frame 21, a vertical plate 22, an installation frame 23, a limiting wheel 24, a rectangular sliding groove 25 and a compression spring 26, wherein a Contraband-shaped frame 21 is installed at a position of the upper end surface of the bottom plate 1 close to the left end, an opening of the Contraband-shaped frame 21 faces downward, the rectangular sliding groove 25 is symmetrically arranged at a position of the upper end surface of the Contraband-shaped frame 21 close to the front end and the rear end, the vertical plate 22 is slidably arranged in the rectangular sliding groove 25, the compression spring 26 is installed between the back surface of the two sets of vertical plates 22 and the rectangular sliding groove 25, the installation frame 23 is evenly connected to opposite surfaces of the two sets of vertical plates 22 from left to right, the limiting wheel 24 is installed on the installation frame 23, and an annular limiting groove is formed in the middle of the limiting wheel 24. During specific work, the flitch is driven to be conveyed rightwards through the existing feeding device, the flitch is located on the inner side of the limiting wheel 24 at the moment, the flitch is conveyed rightwards, the compression spring 26 can enable the limiting wheel 24 to be attached to the front side and the rear side of the flitch, and therefore the stability of the flitch in the feeding process is improved.

Referring to fig. 2, the lower stamping die set 3 includes a No. Contraband type frame 31, a reinforcing rib 32, a pre-pressing bottom die 33, a first punching bottom die 34, a forming bottom die 35, a second punching bottom die 36, a cutting bottom die 37, a material guiding plate 38, a material receiving frame 39 and a telescopic head 310, wherein the right side of the limiting part 2 is provided with the No. Contraband type frame 31, the No. Contraband type frame 31 has a downward opening, the reinforcing rib 32 is uniformly arranged between the upper end of the inside of the No. Contraband type frame 31 and the bottom plate 1 from left to right, the upper end surface of the No. Contraband type frame 31 is sequentially provided with the pre-pressing bottom die 33, the first punching bottom die 34, the forming bottom die 35, the second punching bottom die 36 and the cutting bottom die 37 from left to right, the inside of the cutting bottom die 37 is in a slope shape inclining to the right, and falls down to the bottom of the cutting bottom die 37 after being cut as a product concave connecting member, so as to fall down to the material guiding plate 38 by sliding down to the slope, the right side wall of the cutting bottom die 37 is fixedly provided with the material guiding plate 38, a material collecting frame 39 is arranged below the material guide plate 38, the material collecting frame 39 is placed on the bottom plate 1, cylindrical blind holes are formed in corners of the upper end surfaces of the prepressing bottom die 33, the first punching bottom die 34, the forming bottom die 35, the second punching bottom die 36 and the cutting bottom die 37, and a telescopic head 310 is installed in each cylindrical blind hole. During specific work, the existing feeding device drives the material plate to be conveyed rightwards, the material plate sequentially passes through the prepressing bottom die 33, the first punching bottom die 34, the forming bottom die 35, the second punching bottom die 36 and the cutting bottom die 37, during punching, the punching upper die set 5 presses downwards to enable the material plate to complete prepressing, punching and cutting processes, the telescopic head 310 can compress the material plate and the prepressing bottom die 33 during punching, the first punching bottom die 34, the forming bottom die 35, the second punching bottom die 36 and the cutting bottom die 37 to be attached, and after the concave connecting piece is cut off, the material plate can fall downwards onto the material guide plate 38 and slide downwards to the material receiving frame 39 to be collected.

Referring to fig. 5 and 6, the forming bottom mold 35 includes a concave mold shell 351, a forming unit 352, and a buffer unit 353, wherein the concave mold shell 351 is installed in the middle of the upper end surface of the second model Contraband frame 31, the forming unit 352 is installed inside the concave mold shell 351, the buffer unit 353 is installed at the bottom of the concave mold shell 351, and the lower end of the buffer unit 353 extends into the concave mold shell 351 and contacts with the forming unit 352. During specific work, in the stamping process, the stamping lower template 53 can extrude the material plate and make the material plate and the concave mould shell 351 mutually matched, and after the material plate lower end downwards extrudes the buffer unit 353, the forming unit 352 can be driven to carry out limiting forming on the left side and the right side of the concave connecting piece, so that the forming quality of the concave connecting piece is improved.

Referring to fig. 5, the forming unit 352 includes a first rectangular cavity 3521, a first air bag 3522, a return spring 3523, a rubber air tube 3524, a second rectangular cavity 3525, a second air bag 3526, a T-shaped rod 3527, a coil spring 3528 and a forming plate 3529, wherein the first rectangular cavity 3521 is formed at the lower end of the inside of the concave die casing 351, the first air bag 3522 is arranged in the first rectangular cavity 3521, the return spring 3523 is uniformly arranged in the first air bag 3522 from left to right, the second rectangular cavity 3525 is symmetrically formed at the left and right sides of the inside of the concave die casing 351, the second air bag 3526 is arranged in the second rectangular cavity 3525, the first air bag 3522 is communicated with the second air bag 3526 through the rubber air tube 3524, the T-shaped rod 3527 is slidably attached to the opposite side of the second air bag 3526, one end of the T-shaped rod 3527, which is far away from the second air bag 3526, extends to the inner side of the concave die casing 351 and is fixedly connected with the forming plate 3529, the forming plate 3529 is in a sliding fit manner, a spiral spring 3528 is sleeved on a T-shaped rod 3527 between the forming plate 3529 and the second air bag 3526, and two ends of the spiral spring 3528 are fixedly connected with the forming plate 3529 and the concave formwork 351 respectively. When the punching die specifically works, in the punching process, the punching lower die plate 53 can extrude the flitch and enable the flitch to be matched with the concave die shell 351, after the lower end of the flitch downwards extrudes the buffer unit 353, the buffer unit 353 can downwards extrude the first air bag 3522, air in the first air bag 3522 is compressed to the second air bag 3526 through the rubber air pipe 3524, meanwhile, the reset spring 3523 in the first air bag 3522 can be compressed, the air can drive the second air bag 3526 to expand and extrude the T-shaped rod 3527 after entering the second air bag 3526, the T-shaped rod 3527 drives the forming plate 3529 to move oppositely to extrude and fix the punching part of the flitch, the flitch is enabled to be quickly formed into a concave shape, and therefore the punching efficiency of the concave connecting piece is improved.

Referring to fig. 6, the buffering unit 353 includes an extrusion plate 3531, a vertical rod 3532, a buffering spring 3533 and a horizontal plate 3534, wherein the extrusion plate 3531 is disposed at the bottom of the concave die case 351, the vertical rod 3532 is uniformly installed on the lower end surface of the extrusion plate 3531, the lower end of the vertical rod 3532 extends into the first rectangular cavity 3521 and is fixedly connected with the horizontal plate 3534, and the buffering spring 3533 is slidably sleeved on the vertical rod 3532 between the extrusion plate 3531 and the concave die case 351. During operation, in the shaping punching press process, the flitch lower extreme can extrude stripper plate 3531 downwards, thereby drive montant 3532 and diaphragm 3534 downstream, diaphragm 3534 can produce the extrusion to gasbag 3522 No. one, thereby carry on spacingly to the left and right sides of spill connecting piece, after single punching press process, buffer spring 3533 drives stripper plate 3531 and resets, thereby drive diaphragm 3534 and reset, coil spring 3528's reaction force can drive T type pole 3527 and forming plate 3529 and reset simultaneously, so reciprocal continuous stamping forming process that can realize the spill connecting piece.

Referring to fig. 4 and 7, the upper stamping die set 5 includes a sliding die plate 51, a connecting rod 52, a lower stamping die plate 53, an L-shaped correcting plate 54 and a connecting spring 55, wherein the sliding die plate 51 is slidably sleeved at a position on the guide rod 4 near the upper end, the connecting rod 52 is uniformly arranged on the lower end surface of the sliding die plate 51 from left to right, the lower stamping die plate 53 is fixedly mounted at the lower end of the connecting rod 52, the L-shaped correcting plate 54 is slidably arranged at a position on the connecting rod 52 near the lower end, the lower end of the L-shaped correcting plate 54 is in a wedge shape, and the connecting spring 55 is sleeved on the connecting rod 52 between the L-shaped correcting plate 54 and the sliding die plate 51. During specific work, in the stamping process, sliding template 51 can be along 4 downstream of guide bar, thereby drive connecting rod 52 and the downstream of punching press lower bolster 53, accomplish stamping process through punching press lower bolster 53, sliding template 51 can drive L shape simultaneously and rectify a board 54 downstream, L shape is rectified a board 54 and can be spacing to the flitch, guarantee flitch and pre-compaction die block 33, first bottom die 34 that punches, shaping die block 35, the second bottom die 36 that punches aligns with the bottom die 37 that cuts off, thereby the production quality of spill connecting piece has been improved.

Referring to fig. 1, the winding part 6 includes a side plate 61, a driving motor 62, a driving pulley 63, an endless belt 64, a driven pulley 65, a rotating shaft 66 and a winding roller 67, wherein the side plate 61 is symmetrically installed at the front and back of the position of the bottom plate 1 near the right end, the rotating shaft 66 is installed at the position near the upper end between the side plates 61 through a bearing in a rotating manner, the winding roller 67 is arranged on the rotating shaft 66, the front end of the rotating shaft 66 extends to the front side of the side plate 61 and is provided with the driven pulley 65 through a key connection, the driving pulley 63 is arranged below the driven pulley 65, the driving pulley 63 and the driven pulley 65 are connected through the endless belt 64, the driving pulley 63 is installed on the output shaft of the driving motor 62 through a key connection manner, and the driving motor 62 is arranged on the side plate 61 through a motor base. During specific work, the driving belt wheel 63 is driven to rotate through the driving motor 62, so that the annular belt 64 is driven to rotate, the driven belt wheel 65 is driven to rotate through the annular belt 64, the rotating shaft 66 and the winding roller 67 are driven to rotate, and the winding roller 67 can wind the cut material plate in the rotating process.

The working process of the invention during use is as follows:

the first step is as follows: the flitch is driven to be conveyed rightwards by the existing feeding device, the flitch is positioned at the inner side of the limiting wheel 24 at the moment, and the limiting wheel 24 can limit the flitch in the rightward conveying process of the flitch, so that the stability of the flitch in the conveying process is ensured;

the second step is that: the flitch is conveyed to the right and passes through the prepressing bottom die 33, the first perforating bottom die 34, the forming bottom die 35, the second perforating bottom die 36 and the cutting bottom die 37 in sequence and is connected on the winding roll 67, when punching, the sliding template 51 moves downwards along the guide rod 4, thereby driving the connecting rod 52 and the lower stamping template 53 to move downwards, completing the stamping process through the lower stamping template 53, meanwhile, the sliding template 51 can drive the L-shaped correcting plate 54 to move downwards, the L-shaped correcting plate 54 can limit the material plate, the material plate is ensured to be aligned with the prepressing bottom die 33, the first punching bottom die 34, the forming bottom die 35, the second punching bottom die 36 and the cutting bottom die 37, the material plate sequentially completes prepressing, punching, forming and cutting processes, and the telescopic head 310 can be compressed during punching to enable the material plate to be attached to the prepressing bottom die 33, the first punching bottom die 34, the forming bottom die 35, the second punching bottom die 36 and the cutting bottom die 37;

the third step: in the process of forming, the lower end of the material plate can downwards extrude the extrusion plate 3531, thereby driving the vertical rod 3532 and the horizontal plate 3534 to move downwards, the horizontal plate 3534 can extrude the first air bag 3522, air in the first air bag 3522 is compressed to the second air bag 3526 through the rubber air pipe 3524, meanwhile, the return spring 3523 in the first air bag 3522 is compressed, air enters the second air bag 3526 and drives the second air bag 3526 to expand and extrude the T-shaped rod 3527, the T-shaped rod 3527 drives the forming plate 3529 to move oppositely, the punching part of the material plate is extruded and fixed, so that the material plate is quickly molded to be concave, after the single punching process is finished, the buffer spring 3533 drives the extrusion plate 3531 to reset, thereby driving the transverse plate 3534 to reset, simultaneously, the reaction force of the spiral spring 3528 can drive the T-shaped rod 3527 and the forming plate 3529 to reset, and the continuous punch forming process of the concave connecting piece can be realized in such a reciprocating way;

the fourth step: when the shaping back concave connector moves and can be cut off when cutting off the station, the concave connector cuts off the back, can drop down to the stock guide 38 on and the landing is collected to receiving the material frame 39 downwards, drive driving pulley 63 through driving motor 62 simultaneously and rotate to drive endless belt 64 and rotate, drive driven pulley 65 through endless belt 64 and rotate, thereby drive axis of rotation 66 and wind-up roll 67 and rotate, wind-up roll 67 can carry out the rolling processing to the flitch after cutting off at the rotation in-process.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a multistage control mold for numerical control, includes bottom plate (1), spacing part (2), punching press lower module (3), guide bar (4), punching press upper module (5) and rolling part (6), its characterized in that: a limiting part (2) is arranged on the upper end surface of the bottom plate (1) close to the left end, a punching lower module (3) is arranged on the right side of the limiting part (2), a guide rod (4) is connected to the corner of the upper end surface of the punching lower module (3), a punching upper module (5) is arranged on the guide rod (4) in a sliding manner, and a winding part (6) is arranged on the right side of the punching lower module (3);

the punching lower die set (3) comprises a second Contraband-type frame (31), reinforcing ribs (32), a prepressing bottom die (33), a first punching bottom die (34), a forming bottom die (35), a second punching bottom die (36), a cutting bottom die (37), a material guide plate (38), a material collecting frame (39) and an expansion head (310), wherein the second Contraband-type frame (31) is arranged on the right side of the limiting component (2), the opening of the second Contraband-type frame (31) faces downwards, the reinforcing ribs (32) are uniformly arranged between the upper end inside the second Contraband-type frame (31) and the bottom plate (1) from left to right, the pre-pressing bottom die (33), the first punching bottom die (34), the forming bottom die (35), the second punching bottom die (36) and the cutting bottom die (37) are sequentially arranged on the upper end face of the second Contraband-type frame (31) from left to right, the material guide plate (38) is fixedly arranged on the right side wall of the cutting bottom die (37), and the material collecting frame (39) is arranged below the material guide plate (38), the material collecting frame (39) is placed on the bottom plate (1), cylindrical blind holes are formed in corners of the upper end face of the prepressing bottom die (33), the first punching bottom die (34), the forming bottom die (35), the second punching bottom die (36) and the cutting bottom die (37), and telescopic heads (310) are installed in the cylindrical blind holes;

punching press upper die set (5) including sliding template (51), connecting rod (52), punching press lower bolster (53), L shape is rectified position board (54) and connecting spring (55), wherein the position slip cap that is close to the upper end on guide bar (4) is equipped with sliding template (51), the terminal surface evenly is provided with connecting rod (52) from a left side to the right side under sliding template (51), connecting rod (52) lower extreme fixed mounting has punching press lower bolster (53), the position slip that is close to the lower extreme on connecting rod (52) is provided with L shape and rectifies position board (54), L shape is rectified position board (54) lower extreme and is the wedge form, the cover is equipped with connecting spring (55) on connecting rod (52) between L shape is rectified position board (54) and sliding template (51).

2. The multi-segment control mold for numerical control according to claim 1, characterized in that: spacing part (2) including Contraband type frame (21) one number, riser (22), mounting bracket (23), spacing wheel (24), rectangle spout (25) and compression spring (26), wherein Contraband type frame (21) are installed to the position that bottom plate (1) up end is close to the left end, Contraband type frame (21) opening down, rectangle spout (25) have been seted up to the symmetry that No. one Contraband type frame (21) up end is close to the front and back both ends, it is provided with riser (22) to slide in rectangle spout (25), compression spring (26) are installed between two sets of riser (22) looks back and rectangle spout (25), two sets of riser (22) opposite face evenly are connected with mounting bracket (23) from a left side to the right side, install spacing wheel (24) on mounting bracket (23).

3. The multi-segment control mold for numerical control according to claim 2, characterized in that: the middle part of the limiting wheel (24) is provided with an annular limiting groove.

4. The multistage control mold for numerical control according to claim 1, characterized in that: the forming bottom die (35) comprises a concave die shell (351), a forming unit (352) and a buffer unit (353), wherein the concave die shell (351) is installed in the middle of the upper end face of the second Contraband-shaped frame (31), the forming unit (352) is arranged inside the concave die shell (351), the buffer unit (353) is installed at the bottom of the concave die shell (351), and the lower end of the buffer unit (353) extends into the concave die shell (351) and is in contact with the forming unit (352).

5. The multi-segment control mold for numerical control according to claim 4, characterized in that: the forming unit (352) comprises a first rectangular cavity (3521), a first air bag (3522), a reset spring (3523), a rubber air pipe (3524), a second rectangular cavity (3525), a second air bag (3526), T-shaped rods (3527), a spiral spring (3528) and a forming plate (3529), wherein the first rectangular cavity (3521) is formed at the lower end inside the concave die shell (351), the first air bag (3522) is arranged in the first rectangular cavity (3521), the reset spring (3523) is uniformly installed inside the first air bag (3522) from left to right, the second rectangular cavity (3525) is symmetrically formed at the left side and the right side inside the concave die shell (351), the second air bag (3526) is arranged in the second rectangular cavity (3525), the first air bag (3522) is communicated with the second air bag (3526) through the rubber air pipe (3524), the T-shaped rods (3527) are slidably attached to the opposite sides of the second air bag (3526), one end of the T-shaped rod (3527) far away from the second air bag (3526) extends to the inner side of the concave formwork (351) and is fixedly connected with a forming plate (3529), the lower end of the forming plate (3529) is in sliding fit with the concave formwork (351), a spiral spring (3528) is sleeved on the T-shaped rod (3527) between the forming plate (3529) and the second air bag (3526), and two ends of the spiral spring (3528) are fixedly connected with the forming plate (3529) and the concave formwork (351) respectively.

6. The multi-segment control mold for numerical control according to claim 4, characterized in that: buffer unit (353) including stripper plate (3531), montant (3532), buffer spring (3533) and diaphragm (3534), wherein concave mould shell (351) bottom is provided with stripper plate (3531), montant (3532) are evenly installed to the terminal surface under stripper plate (3531), montant (3532) lower extreme extends to in No. one rectangle cavity (3521) and fixedly connected with diaphragm (3534), sliding sleeve is equipped with buffer spring (3533) on montant (3532) between stripper plate (3531) and concave mould shell (351).

7. The multi-segment control mold for numerical control according to claim 1, characterized in that: the interior of the cutting bottom die (37) is in a slope shape inclining downwards and rightwards.

8. The multi-segment control mold for numerical control according to claim 1, characterized in that: the winding part (6) comprises side plates (61), a driving motor (62), a driving pulley (63), an annular belt (64), a driven pulley (65), a rotating shaft (66) and a winding roller (67), wherein the side plates (61) are symmetrically arranged in front and at the back of the position, close to the right end, of the bottom plate (1), the rotating shaft (66) is rotatably arranged between the side plates (61) through bearings at the position, close to the upper end, the winding roller (67) is arranged on the rotating shaft (66), the front end of the rotating shaft (66) extends to the front side of the side plates (61) and is provided with the driven pulley (65) in a key connection mode, the driving pulley (63) is arranged below the driven pulley (65), the driving pulley (63) is connected with the driven pulley (65) through the annular belt (64), and the driving pulley (63) is arranged on an output shaft of the driving motor (62) in a key connection mode, the driving motor (62) is arranged on the side plate (61) through the motor base.