CN113426883A

CN113426883A - Numerical control punch press that controllability is good is with main drive mechanism

Info

Publication number: CN113426883A
Application number: CN202110677148.9A
Authority: CN
Inventors: 周有文; 萧新广; 萧川
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-09-24

Abstract

The invention discloses a main transmission mechanism for a numerical control punch press with good controllability, which comprises a transmission table and a base material plate, wherein a rotating seat is fixedly arranged at one corner at the top end of the transmission table, a top frame is fixedly arranged at the top end of the rotating seat, and a middle frame is fixedly arranged in the middle of the inner wall of the top frame. Thereby improving the use effect of the whole transmission mechanism.

Description

Numerical control punch press that controllability is good is with main drive mechanism

Technical Field

The invention relates to the technical field of numerical control punches, in particular to a main transmission mechanism for a numerical control punch with good controllability.

Background

The numerical control punch is a digital control punch for short, and is an automatic machine tool with a program control system. The control system can logically process a program provided with a control code or other symbolic instructions and decode the program, thereby enabling the punch press to operate and machine the part; the numerical control punch can be used for processing various metal sheet parts, and can automatically finish various complex hole patterns and shallow drawing forming processing at one time (automatically process holes with different shapes and different hole distances according to requirements, can also use a small punch die to punch large round holes, square holes, waist-shaped holes and curve outlines with various shapes in a step punching mode, and can also carry out special process processing such as shutters, shallow drawing, counter bores, flanging holes, reinforcing ribs, coining and the like); compared with the traditional stamping, the simple die combination saves a large amount of die cost, can process small-batch and diversified products with low cost and short period, and has larger processing range and processing capacity, thereby being suitable for the change of the market and the products in time;

the existing main transmission mechanism of the numerical control punch press mostly uses a conveying belt to convey base plates, transportation is convenient, but the bottoms and two sides of the base plates are lack of supports, stability is poor, the base plates are easy to move during punching, punching quality of the base plates is affected, secondly, when the numerical control punch press is used for punching the base plates, scraps generated by punching are easy to stop on the surfaces of the base plates or are scattered on the ground through the bottoms of the base plates, effective scrap cleaning and collection cannot be carried out, subsequent punching operation of the base plates is easy to be affected, and punching operation efficiency of the base plates is directly affected.

Disclosure of Invention

The invention aims to provide a main transmission mechanism for a numerical control punch with good controllability so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a numerical control is main drive mechanism for punch press that controllability is good, includes transmission platform and base material board, the top one angle department fixed mounting of transmission platform has the rotation seat, the top fixed mounting who rotates the seat has a top frame, the inner wall middle part fixed mounting who pushes up the frame has the center, the equal fixed mounting in inner wall both sides of top frame has the side frame, all rotate between side frame and the top frame and install the transport subassembly, rotate between center and two sets of side frames and install clear bits mechanism, be equipped with jack-up mechanism between transmission platform and two sets of side frames, fixed mounting has the clamp to dredge the mechanism on top frame and the center, the bottom fixed mounting of transmission platform has the chassis, the top fixed mounting of chassis has the piercing press body, and the base material integrated circuit board of treating processing connects press from both sides and dredge between the mechanism.

Preferably, the middle part of the adjacent both sides of transmission platform all rotates and installs the lift cylinder, the output of lift cylinder rotates the lateral wall of installing at the top frame, the equal fixed mounting in edge department that rotates the seat is kept away from on transmission platform top has the buffing pad, the top of buffing pad and the bottom contact of top frame.

Preferably, the conveying assembly comprises a conveying shaft, the conveying shaft is provided with two groups which are symmetrically distributed, the conveying shaft is respectively rotatably arranged on two sides between the side frame and the top frame, the conveying shaft is provided with a conveying belt in a movable sleeve mode, and a plurality of groups of anti-skid protrusions which are distributed equidistantly are integrally formed on the outer wall of the conveying belt.

Preferably, clear bits mechanism includes the connecting axle and collects the bits frame, the connecting axle is equipped with two sets ofly that is the symmetric distribution, the connecting axle rotates respectively and installs the both sides at the center, and wherein is a set of two sets of transport axle opposite side fixed connection that correspond in the both ends of connecting axle and two sets of conveying component, and is two sets of the outer wall both sides of connecting axle are all fixed the cover and are equipped with the belt pulley, and two sets of belt pulley outside movable sleeve that correspond is equipped with driving belt, the impartial distance fixed mounting of driving belt's outer wall has the clean scraper blade of multiunit, and is two sets of the equal fixed mounting in bottom of side frame and center has the bottom plate, the equal fixed mounting in one side that driving belt was kept away from to clean scraper blade has the cleaning brush, and the cleaning brush and the bottom plate contact of bottom, collection bits frame fixed mounting is at one side middle part of top frame, one side lower part of collection bits frame is fixed to be inserted and is equipped with the chip removal pipe.

Preferably, one side of the top frame, which is close to the scrap collecting frame, is provided with a through groove corresponding to the bottom plate, and the through groove and the scrap collecting frame are communicated with each other.

Preferably, the jacking mechanism comprises a top plate and a top seat, the top plate is provided with two groups which are symmetrically distributed, the two groups of top plates are movably inserted in the middle of the corresponding side frame, the middle parts of the two sides of the top plate are fixedly provided with sliders, the sliders are slidably clamped in the side frame, the top ends of the sliders are fixedly provided with return springs, the top ends of the return springs and the inner upper wall of the side frame are fixedly arranged, the top seat is provided with four groups which correspond to the top plates, the four groups of top seats are fixedly arranged at the bottom ends of the top seats and the top ends of the transmission tables, and the top ends of the top seats are in contact with the bottom ends of the corresponding top plates.

Preferably, the top ends of the top plates are fixedly provided with non-slip pads, and the top ends of the non-slip pads are in contact with the bottom ends of the base material plates.

Preferably, the clamping and dredging mechanism comprises two groups of telescopic rods which are symmetrically distributed, the middle parts of the two groups of telescopic rods are fixedly arranged at the two sides of the bottom end of the middle frame, the two ends of the telescopic rod are both fixedly provided with a movable frame, the middle part of the movable frame is movably clamped with a T-shaped guide block, the top end of the T-shaped guide block is fixedly connected with the bottom end of the top frame, a bottom block is vertically arranged on one side of the top end of the movable frame far away from the telescopic rod, an inserting rod is fixedly arranged in the middle of the top end of the bottom block, a top block is movably sleeved at the top of the inserting rod, the top end of the inserted link is fixedly provided with a buffer spring, the top end of the buffer spring is fixedly arranged with the inner upper wall of the top block, the top end of the top block is fixedly connected with an L-shaped frame, and a transverse frame is fixedly arranged between the two groups of L-shaped frames at the same side, and a plurality of groups of rolling rollers which are distributed equidistantly are rotatably arranged in the middle of the transverse frame.

Preferably, both ends of the substrate plate are in contact with the outer walls of the corresponding rolling rollers.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the conveying assembly and the scrap cleaning mechanism are arranged and matched with the top frame which can rotate at one corner of the top end of the transmission table, so that the base material plate can be transversely and stably conveyed, the position of punching holes on the base material plate is changed, the processing of multiple groups of hole positions of the base material plate is realized, the belt pulleys on two sides can be synchronously driven to slowly drive the multiple groups of cleaning scrapers and the cleaning brushes to slowly drive, the scrapers in the scrap storage groove body are pushed while the base material plate is transversely and stably conveyed, the scraps pushed by the scrapers enter the scrap collecting frame through the through grooves to be concentrated and are discharged through the scrap discharging pipes to be treated, and the using effect of the whole transmission mechanism is improved.

2. Through setting up jack-up mechanism, when the top frame rotates, the footstock with correspond the roof separation, reset spring resets, make the top of slipmat and the bottom separation of base plate, the bottom of base plate and the protruding contact of antiskid are convenient for carry out the horizontal stable transport to the base plate, when the top frame resets, the top of footstock with correspond the roof bottom contact, the drive roof moves up, make the top of slipmat and the bottom contact of base plate, and the bottom of base plate and the protruding separation of antiskid this moment, carry out the outrigger to the base plate through roof and slipmat, thereby the stability when having promoted the base plate operation of punching a hole, and then the quality of punching a hole of base plate has been improved.

3. Through setting up the clamp and dredging the mechanism, the drive both sides are removed the frame and are carried out syntropy or move dorsad, change the distance between two sets of horizontal frames to spacing to different width base material board both ends, prevent that the top frame from rotating the time base flitch and removing, and do not influence the removal of base flitch through the rotation of roll roller.

Drawings

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

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the structural connection between the conveying assembly and the chip cleaning mechanism in the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 3 in accordance with the present invention;

FIG. 5 is a schematic view of the structural connection of the jacking mechanism of the present invention;

FIG. 6 is an enlarged view taken at B of FIG. 5 in accordance with the present invention;

FIG. 7 is a schematic view of the structural connection of the dredging mechanism of the present invention;

fig. 8 is an enlarged view of the invention at C in fig. 7.

In the figure: 1. a transmission table; 2. a rotating seat; 3. a top frame; 31. a middle frame; 32. a side frame; 4. a delivery assembly; 5. a scrap cleaning mechanism; 6. a jack-up mechanism; 7. a clamping and dredging mechanism; 8. a chassis; 9. a punch body; 10. a base material plate; 11. a lifting cylinder; 12. a buffer seat; 301. a through groove; 41. a delivery shaft; 42. a conveyor belt; 421. anti-skid projections; 51. a connecting shaft; 52. a belt pulley; 521. a drive belt; 53. a cleaning blade; 531. a cleaning brush; 54. a base plate; 55. a scrap collecting frame; 56. a chip removal pipe; 61. a top plate; 611. a non-slip mat; 62. a top seat; 63. a slider; 64. a return spring; 71. a telescopic rod; 72. moving the frame; 721. a T-shaped guide block; 73. a bottom block; 74. inserting a rod; 75. a top block; 76. a buffer spring; 77. a transverse frame; 78. a rolling roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a main transmission mechanism for a numerical control punch press with good controllability comprises a transmission table 1 and a base material plate 10, wherein a rotating seat 2 is fixedly installed at one corner of the top end of the transmission table 1, a top frame 3 is fixedly installed at the top end of the rotating seat 2, the top frame 3 can rotate at the one corner of the top end of the transmission table 1 to realize one-corner inclination of the whole top frame 3, so that subsequent waste scraps can be conveniently rolled and cleaned, a middle frame 31 is fixedly installed at the middle part of the inner wall of the top frame 3, side frames 32 are fixedly installed at two sides of the inner wall of the top frame 3, a conveying assembly 4 is rotatably installed between each side frame 32 and the top frame 3, a scrap cleaning mechanism 5 is rotatably installed between each middle frame 31 and the two groups of side frames 32, a jacking mechanism 6 is arranged between the transmission table 1 and the two groups of side frames 32, a clamping and thinning mechanism 7 is fixedly installed on the top frame 3 and the middle frame 31, a bottom frame 8 is fixedly installed at the bottom of the transmission table 1, a punching machine body 9 is fixedly installed at the top end of the bottom frame 8, the punching machine body 9 can perform transverse punching operation, and a base material plate 10 to be processed is clamped between the clamping and thinning mechanisms 7.

All rotate the middle part of the adjacent both sides of transmission platform 1 and install lift cylinder 11, lift cylinder 11's output rotates the lateral wall of installing at

frame

3, 1 top of transmission platform is kept away from the equal fixed mounting in edge department who rotates seat 2 and is had buffing pad 12, the top of buffing pad 12 and the bottom contact of frame 3, through two sets of lift cylinders 11 of synchronous drive, drive frame 3 rotates in transmission platform 1's top angle department, when frame 3 resets, cushion pad 12 through setting up carries out the buffering of certain degree to frame 3, prevent that whole mechanism is impaired.

Conveying assembly 4 is including carrying axle 41, carry axle 41 to be equipped with two sets ofly that are the symmetric distribution, carry axle 41 to rotate respectively and install the both sides between side frame 32 and top frame 3, two sets of outside activity cover of carrying axle 41 are equipped with conveyer belt 42, conveyer belt 42's outer wall integrated into one piece has the multiunit non-slip raised 421 that is the equidistance and distributes, wherein, one side of a set of transport axle 41 is passed top frame 3 and is connected with the output of slow motor, through starting slow motor, drive one of them group carries axle 41 and slowly rotates, thereby drive conveyer belt 42 and carry out slow steady transmission, be convenient for carry out the lateral stability transport to base material board 10, thereby change the position of punching a hole on the base material board 10, realize the multiunit hole site processing of base material board 10.

The scrap cleaning mechanism 5 comprises a connecting shaft 51 and a scrap collecting frame 55, the connecting shaft 51 is provided with two groups which are symmetrically distributed, the connecting shaft 51 is respectively rotatably installed at two sides of the middle frame 31, two ends of one group of connecting shaft 51 are fixedly connected with opposite sides of two corresponding groups of conveying shafts 41 in the two groups of conveying assemblies 4, so as to realize the operation of the conveying assemblies 4 at two sides and the slow rotation of one group of connecting shaft 51, two sides of the outer wall of the two groups of connecting shafts 51 are fixedly sleeved with belt pulleys 52, the outer sides of the two groups of corresponding belt pulleys 52 are movably sleeved with a transmission belt 521, the slow transmission of the belt pulleys 52 at two sides is synchronously driven through the slow rotation of one group of connecting shaft 51, a plurality of groups of cleaning scraping plates 53 are fixedly installed at equal distances on the outer wall of the transmission belt 521, bottom plates 54 are fixedly installed at the bottoms of the two groups of side frames 32 and the middle frame 31, a scrap storage groove body is formed at the bottom of the top frame 3 so as to store scraps, the cleaning scraper 53 is far away from the equal fixed mounting in one side of driving belt 521 has cleaning brush 531, and the cleaning brush 531 and the bottom plate 54 contact of bottom, through the slow transmission of both sides belt pulley 52, drive multiunit cleaning scraper 53 and cleaning brush 531 and carry out slow transmission to carry out the scraper blade promotion to the sweeps in the storage bits cell body when carrying out the horizontal stable transport to base material board 10, collection bits frame 55 fixed mounting is in one side middle part of top frame 3, the fixed inserting of one side lower part of collection bits frame 55 is equipped with chip removal pipe 56.

One side that the top frame 3 is close to album bits frame 55 is seted up and is led to groove 301 that the bottom plate 54 position corresponds, leads to groove 301 and gathers bits frame 55 intercommunication each other, and the sweeps that the scraper blade promoted gets into album bits frame 55 through leading to groove 301 and concentrates and concentrate the discharge treatment through chip removal pipe 56 to whole drive mechanism's result of use has been promoted.

The jacking mechanism 6 comprises a top plate 61 and a top seat 62, the top plate 61 is provided with two groups which are symmetrically distributed, the two groups of top plates 61 are movably inserted in the middle parts of the corresponding side frames 32, the middle parts of the two sides of the top plate 61 are fixedly provided with slide blocks 63, the slide blocks 63 are slidably clamped in the side frames 32, the top ends of the slide blocks 63 are fixedly provided with return springs 64, the top ends of the return springs 64 and the inner upper walls of the side frames 32 are fixedly arranged, in an initial state, the return springs 64 are in a contraction state, the top seat 62 is provided with four groups corresponding to the top plates 61, the bottom ends of the four groups of top seats 62 and the top end of the transmission platform 1 are fixedly arranged, the top ends of the top plate 61 are fixedly provided with anti-skid pads 611, when the top end of the top seat 62 is contacted with the bottom ends of the corresponding top plates 61, the top ends of the anti-skid pads 611 are contacted with the bottom ends of the base material plates 10, and at the moment, the bottom ends of the base material plates 10 are separated from the anti-skid protrusions 421, and the base material plates 10 are stably supported by the top plate 61 and the anti-skid pads 611, thereby improving the stability of the base material plate 10 during punching operation and further improving the punching quality of the base material plate 10; when the top frame 3 rotates, the top seat 62 is separated from the corresponding top plate 61, the return spring 64 is reset, so that the top end of the non-slip mat 611 is separated from the bottom end of the base material plate 10, and at this time, the bottom end of the base material plate 10 is contacted with the non-slip protrusions 421, and the subsequent slow transportation is performed.

The dredging and clamping mechanism 7 comprises two groups of telescopic rods 71, the telescopic rods 71 are symmetrically distributed, the middle parts of the two groups of telescopic rods 71 are fixedly arranged at two sides of the bottom end of the middle frame 31, the two ends of the telescopic rods 71 are fixedly provided with moving frames 72, the two sides of the moving frames 72 are driven to move in the same direction or in the opposite direction by starting the telescopic rods 71, the middle parts of the moving frames 72 are movably clamped with T-shaped guide blocks 721, the top ends of the T-shaped guide blocks 721 are fixedly connected with the bottom end of the top frame 3, the stability of the moving frames 72 during moving is improved, one side, far away from the telescopic rods 71, of the top ends of the moving frames 72 is vertically provided with a bottom block 73, the middle part of the top ends of the bottom block 73 is fixedly provided with an insertion rod 74, the top block 75 is movably sleeved at the top of the insertion rod 74, the top end of the insertion rod 74 is fixedly provided with a buffer spring 76, the top end of the buffer spring 76 is fixedly arranged with the inner upper wall of the top block 75, and the distance between the bottom block 73 and the top block 75 can be flexibly changed, the top end of the top block 75 is fixedly connected with L-shaped frames, a transverse frame 77 is fixedly installed between two groups of L-shaped frames on the same side, and a plurality of groups of rolling rollers 78 which are distributed equidistantly are rotatably installed in the middle of the transverse frame 77; the both ends of base flitch 10 and the outer wall contact of the roller 78 that corresponds, it is spacing to carry out the both ends of base flitch 10, prevent that top frame 3 from rotating base flitch 10 and removing, and do not influence the removal of base flitch 10 through the rotation of roller 78 to remove frame 72 through the drive both sides and carry out syntropy or move dorsad, change the distance between two sets of horizontal frames 77, so that to the spacing of different width base flitchs 10, improved the flexibility of whole mechanism.

The working principle is as follows: the invention relates to a main transmission mechanism for a numerical control punch with good controllability, when in use, firstly, according to the width of a base material plate 10, a telescopic rod 71 is started to drive two side moving frames 72 to move in the same direction or in the opposite direction, the distance between two groups of transverse frames 77 is changed until the distance corresponds to the width of the base material plate 10, the two ends of the base material plate 10 are contacted with the outer walls of corresponding rolling rollers 78, the two ends of the base material plate 10 are stably limited, so that the subsequent stable conveying and rotation of the base material plate 10 are convenient, then, a punching machine body 9 is used for transverse punching operation, when the transverse punching operation is finished, waste scraps are stopped on the surface of the base material plate 10 and a scrap storage groove body at the bottom of a top frame 3, then, two groups of lifting cylinders 11 are synchronously driven, the top frame 3 is driven to stably rotate at a certain angle at one corner at the top end of a transmission platform 1, the base material plate 10 is inclined, the waste scraps roll from the surface of the base material plate 10 to the scrap storage groove body, at the moment, the top seat 62 is separated from the corresponding top plate 61, the reset spring 64 is reset to separate the top end of the anti-slip mat 611 from the bottom end of the base material plate 10, the bottom end of the base material plate 10 is contacted with the anti-slip protrusions 421, then, the slow motor is started to drive one group of the conveying shafts 41 to slowly rotate, so as to drive the conveying belt 42 to slowly and stably transmit, so as to transversely and stably convey the base material plate 10, change the position of the punched hole on the base material plate 10, meanwhile, one group of the connecting shafts 51 slowly rotate, synchronously drive the slow transmission of the belt pulleys 52 on the two sides, drive the multiple groups of cleaning scrapers 53 and cleaning brushes 531 to slowly transmit, so as to transversely and stably convey the base material plate 10 and simultaneously scrape the waste scraps in the scrap storage tank, the waste scraps pushed by the scrapers enter the scrap collecting frame 55 through the scrap discharging pipes 56 for centralized discharge treatment, after the base material plate 10 is transversely and stably conveyed for a certain distance, two sets of lift cylinders 11 of back drive, the top frame 3 resets, buffer seat 12 through setting up carries out the buffering of certain degree to top frame 3, and this moment, the top of top seat 62 with correspond roof 61 bottom contact, drive roof 61 shifts up, make the top of slipmat 611 and the bottom contact of base material board 10, and the bottom and the non-slip raised 421 separation of base material board 10 this moment, carry out the outrigger through roof 61 and slipmat 611 to base material board 10, thereby the stability when having promoted base material board 10 operation of punching a hole, and then the quality of punching a hole of base material board 10 has been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a numerical control is main drive mechanism for punch press that controllability is good, includes transmission platform (1) and base plate (10), its characterized in that: a rotating seat (2) is fixedly arranged at one corner of the top end of the transmission platform (1), a top frame (3) is fixedly arranged at the top end of the rotating seat (2), a middle frame (31) is fixedly arranged in the middle of the inner wall of the top frame (3), side frames (32) are fixedly arranged on both sides of the inner wall of the top frame (3), a conveying component (4) is rotatably arranged between the side frame (32) and the top frame (3), a scrap cleaning mechanism (5) is rotatably arranged between the middle frame (31) and the two groups of side frames (32), a jacking mechanism (6) is arranged between the transmission table (1) and the two groups of side frames (32), the top frame (3) and the middle frame (31) are fixedly provided with a clamping and dredging mechanism (7), the bottom of the transmission table (1) is fixedly provided with an underframe (8), the top end of the underframe (8) is fixedly provided with a punching machine body (9), and a base material plate (10) to be processed is clamped between the press-thinning mechanisms (7).

2. The main transmission mechanism with good controllability for the numerical control punch press as claimed in claim 1, is characterized in that: the middle part of the adjacent both sides of transmission platform (1) all rotates and installs lift cylinder (11), the output of lift cylinder (11) rotates the lateral wall of installing in top frame (3), the equal fixed mounting in edge department of rotating seat (2) is kept away from on transmission platform (1) top has buffer seat (12), the top of buffer seat (12) and the bottom contact of top frame (3).

3. The main transmission mechanism with good controllability for the numerical control punch press as claimed in claim 1, is characterized in that: conveying component (4) are including carrying axle (41), carry axle (41) to be equipped with two sets of that are the symmetric distribution, carry axle (41) to rotate respectively and install both sides between side frame (32) and top frame (3), two sets of carry the outside activity cover of axle (41) to be equipped with conveyer belt (42), the outer wall integrated into one piece of conveyer belt (42) has multiunit non-slip raised (421) that are the equidistance and distribute.

4. The main transmission mechanism with good controllability for the numerical control punch press as claimed in claim 3, wherein: the scrap cleaning mechanism (5) comprises a connecting shaft (51) and a scrap collecting frame (55), wherein the connecting shaft (51) is provided with two groups which are symmetrically distributed, the connecting shaft (51) is respectively installed on two sides of the middle frame (31) in a rotating manner, one group of the connecting shaft (51) is fixedly connected with two ends of the connecting shaft (51) and two groups of corresponding opposite sides of the conveying shafts (41) in the conveying assemblies (4), the two groups of outer walls of the connecting shaft (51) are fixedly sleeved with belt pulleys (52), the two groups of corresponding belt pulleys (52) are movably sleeved with transmission belts (521), the outer walls of the transmission belts (521) are fixedly provided with a plurality of groups of cleaning scraping plates (53) at equal distances, the bottoms of the side frames (32) and the middle frame (31) are fixedly provided with bottom plates (54), and one side of each cleaning scraping plate (53) far away from the transmission belts (521) is fixedly provided with a cleaning brush (531), and the cleaning brush (531) and the bottom plate (54) of bottom contact, collection bits frame (55) fixed mounting is in one side middle part of top frame (3), the fixed chip removal pipe (56) of inserting of one side lower part of collection bits frame (55).

5. The main transmission mechanism with good controllability for the numerical control punch press as claimed in claim 4, is characterized in that: one side of the top frame (3) close to the chip collecting frame (55) is provided with a through groove (301) corresponding to the position of the bottom plate (54), and the through groove (301) is communicated with the chip collecting frame (55).

6. The main transmission mechanism with good controllability for the numerical control punch press as claimed in claim 1, is characterized in that: the jacking mechanism (6) comprises a top plate (61) and a top seat (62), wherein the top plate (61) is provided with two groups which are symmetrically distributed, the two groups of top plates (61) are movably inserted in the middle of corresponding side frames (32), sliders (63) are fixedly mounted in the middle of two sides of the top plate (61), the sliders (63) are slidably connected in the side frames (32), return springs (64) are fixedly mounted on the top ends of the sliders (63), the top ends of the return springs (64) and the inner upper wall of each side frame (32) are fixedly mounted, the top seat (62) is provided with four groups which correspond to the top plates (61), and the four groups are fixedly mounted on the bottom ends of the top seat (62) and the top end of the transmission table (1) and are in contact with the bottom ends of the corresponding top plates (61).

7. The main transmission mechanism with good controllability for the numerical control punch press as claimed in claim 6, is characterized in that: the top end of the top plate (61) is fixedly provided with a non-slip pad (611), and the top end of the non-slip pad (611) is in contact with the bottom end of the base material plate (10).

8. The main transmission mechanism with good controllability for the numerical control punch press as claimed in claim 1, is characterized in that: the press from both sides and dredge mechanism (7) and include telescopic link (71), telescopic link (71) are equipped with two sets of that are symmetric distribution, two sets of the middle part fixed mounting of telescopic link (71) is in the bottom both sides of center (31), the equal fixed mounting in both ends of telescopic link (71) has removal frame (72), the equal activity card in middle part of removing frame (72) is equipped with T type guide block (721), the top of T type guide block (721) and the bottom fixed connection of top frame (3), one side of keeping away from telescopic link (71) at removal frame (72) top is installed bottom block (73) perpendicularly, the top middle part fixed mounting of bottom block (73) has inserted bar (74), the top movable sleeve of inserted bar (74) is equipped with kicking block (75), the top fixed mounting of inserted bar (74) has buffer spring (76), the top of buffer spring (76) and the interior upper wall fixed mounting of kicking block (75), the top fixedly connected with L type frame of kicking block (75), and fixed mounting has horizontal frame (77) between two sets of L type frames of homonymy, the middle part of horizontal frame (77) is rotated and is installed multiunit roll roller (78) that are the equidistance and distribute.

9. The main transmission mechanism with good controllability for the numerical control punch press as claimed in claim 8, wherein: two ends of the base material plate (10) are contacted with the outer walls of the corresponding rolling rollers (78).