CN112077206A

CN112077206A - Automatic punching machine

Info

Publication number: CN112077206A
Application number: CN202011031549.9A
Authority: CN
Inventors: 郑赵强; 王玉华
Original assignee: Zhengzhou Huanghe Zhonggong Electromechanical Technology Co ltd
Current assignee: Zhengzhou Huanghe Zhonggong Electromechanical Technology Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2020-12-15

Abstract

The invention discloses an automatic punching machine, which solves the technical problems of low automation degree and inconvenient hole spacing adjustment of the existing punching machine. The punching machine comprises a rack, wherein a storage unit, a feeding unit, a positioning unit and a punching unit which are respectively connected with a control unit are arranged on the rack, the storage unit comprises a lifting platform for storing workpieces, the feeding unit comprises a lead screw mechanism arranged between the lifting platform and the punching unit, a clamping jaw mechanism for clamping the workpieces is arranged on the lead screw mechanism, the positioning unit comprises a feeding stroke positioning mechanism, a punching process positioning mechanism and a punching stroke positioning mechanism, the punching unit comprises an upper die connected with a punching oil cylinder, a lower die is arranged below the upper die, two pairs of mutually matched punching components are correspondingly arranged between the upper die and the lower die, and the two pairs of punching components are connected through a spacing adjusting mechanism. The invention has the advantages of high automation degree, convenient and fast adjustment of punching intervals, high processing efficiency and good stability.

Description

Automatic punching machine

Technical Field

The invention relates to the technical field of punching, in particular to an automatic punching machine.

Background

The punching machine mainly comprises two parts: (1) the working part comprises an upper die, a lower die and a machine tool; (2) and the power part comprises a hydraulic drive or a manual drive. When the punching die is used, after the raw materials are installed, the punching die acts on the raw materials to complete punching under the driving of the power mechanism. The existing punching machine is low in automation degree and working efficiency, particularly a hydraulic punching machine cannot automatically feed, position and punch, the hole spacing of punched holes is inconvenient to adjust, an upper die and a lower die need to be replaced when the hole spacing is adjusted, and the improvement of the punching efficiency is seriously limited.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides an automatic punching machine, which solves the technical problems of low automation degree and inconvenient hole spacing adjustment of the existing punching machine.

The technical scheme of the invention is realized as follows: the utility model provides an automatic punching machine, includes the frame, be provided with storage unit, feeding unit, positioning unit and the punching press unit that links to each other with the control unit respectively in the frame, storage unit is including the lift platform that is used for saving the work piece, and feeding unit is including setting up the screw mechanism between lift platform and punching press unit, the last clamping jaw mechanism who is provided with centre gripping work piece of screw mechanism, positioning unit includes pay-off stroke positioning mechanism, stamping process positioning mechanism, punching press stroke positioning mechanism, punching press unit includes the last mould that links to each other with the punching press hydro-cylinder, goes up the mould below and is provided with the lower mould, and it is provided with two pairs of punching press subassemblies of mutually supporting to correspond between last mould and the lower mould, links to each other through interval.

Furthermore, the lifting platform comprises a lifting oil cylinder arranged in the frame, a supporting plate is connected above a piston rod of the lifting oil cylinder in a supporting mode, guide plates connected with the frame are arranged on two sides of the supporting plate, and a workpiece to be machined is placed above the guide plates.

Furthermore, the screw mechanism comprises an axial guide rail connected with the rack, a servo motor connected with the control unit is arranged on the axial guide rail, a screw rod connected with the servo motor is arranged in the axial guide rail, the screw rod is connected with a nut seat moving axially, the nut seat is connected with a fixing plate, and the fixing plate is connected with the clamping jaw mechanism.

Further, clamping jaw mechanism is including setting up the vertical cylinder on the fixed plate, and the telescopic shaft of vertical cylinder is connected with the transverse guide with axial guide perpendicular, and the slip is provided with left cylinder and right cylinder on the transverse guide, and left cylinder is connected with left clamping jaw, and right cylinder is connected with the right clamping jaw relative with left clamping jaw, vertical cylinder, left cylinder and right cylinder all link to each other with the control unit.

Furthermore, the feeding stroke positioning mechanism comprises a first photoelectric sensor arranged on the axial guide rail, the first photoelectric sensor is connected with the control unit, and a blocking piece corresponding to the first photoelectric sensor is arranged on the clamping jaw mechanism or the fixing plate.

Furthermore, the stamping process positioning mechanism comprises a second photoelectric sensor connected with the control unit, and the workpiece corresponds to the second photoelectric sensor when arriving at the stamping station.

Further, punching press stroke positioning mechanism includes two proximity switch that link to each other with the control unit, is provided with vertical spout on the regulating plate, and two proximity switch are adjustable to be set up on the spout, upward be provided with the erection column on the mould, adjustable being provided with on the erection column two and proximity switch cooperation response piece.

Furthermore, a waste chute is arranged below the lower die, and rollers are arranged on the racks on the left side and the right side of the lower die.

Further, the lower part of going up the mould is provided with the mould spout, and the upper portion of lower mould is provided with the lower mould spout, punching press subassembly adjustable two and the drift matched with die that punch a hole that set up on being provided with two drifts on the mould spout and the lower mould spout on including, be provided with spacing clamp plate between drift and the die that punches a hole, spacing clamp plate passes through the guide post and links to each other with the frame, is connected with the guide block on going up the mould, has seted up on the guide block with guide post complex guiding hole, link to each other through interval adjustment mechanism between two drifts or the two die that.

Furthermore, the distance adjusting mechanism comprises two first screw rods which are symmetrically arranged, guide nuts connected with the punch or the punching female die are respectively arranged on the two first screw rods, transmission bevel gears are arranged at the approaching ends of the two first screw rods, driving bevel gears are arranged in a meshed mode with the two transmission bevel gears, and the driving bevel gears are connected with adjusting rods.

Or the distance adjusting mechanism comprises a second screw rod, threaded wires with opposite rotating directions are arranged on the left part and the right part of the second screw rod, guide nuts connected with the punch or the punching female die are respectively arranged on the threaded wires with the opposite rotating directions, and the second screw rod is connected with a worm gear which is meshed with the worm gear and provided with a worm.

Or the distance adjusting mechanism comprises two racks arranged along the same straight line, the tooth surface of one rack faces downwards, the tooth surface of the other rack faces downwards, fixed blocks connected with the punch or the punching female die are respectively arranged on the two racks, the approaching ends of the two racks are meshed with the same gear, and the gear is connected with a third adjusting rod.

Or the distance adjusting mechanism comprises a fourth screw rod, threaded wires with opposite rotation directions are arranged at the left part and the right part of the fourth screw rod, nut seats connected with the punch or the punching female die are respectively arranged on the threaded wires with the opposite rotation directions, and the end part of the fourth screw rod extends out of the upper die or the lower die and is provided with a screwing head.

According to the automatic feeding device, the material storage unit, the feeding unit, the positioning unit and the stamping unit which are connected with the control unit are arranged, the control unit can control the lifting platform to automatically push a workpiece from the material storage unit to the initial position of the feeding unit, the clamping jaw mechanism of the feeding unit can automatically clamp the workpiece on the lifting platform, then the workpiece is automatically conveyed between the upper die and the lower die under the action of the screw rod mechanism, the movement limit position of the screw rod can be judged through the feeding stroke positioning mechanism in the conveying process of the workpiece, and the workpiece can be continuously conveyed forwards after the movement limit position is reached according to the setting of the control unit; the stamping process positioning mechanism can automatically judge whether the workpiece is in place, after the workpiece is in place, the control unit controls the stamping oil cylinder to drive the upper die to press the workpiece on the lower die, and the stamping stroke positioning mechanism can control the stamping stroke in the stamping process; the workpiece waste after stamping can be directly and automatically discharged through the waste chute, and when the clamping jaw mechanism clamps the next workpiece for stamping, the last workpiece can be pushed to automatically move forwards along the roller, so that automatic punching is completed. In addition, the punching unit is provided with two pairs of punching assemblies, so that the distance between the two groups of punching assemblies can be conveniently adjusted, and the punching efficiency can be effectively improved.

Drawings

In order to illustrate the embodiments of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the invention, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.

FIG. 1 is an isometric view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an isometric view of the feed unit of FIG. 1;

FIG. 4 is an enlarged view at C of FIG. 1;

FIG. 5 is an isometric view of an upper die and a lower die of example 1;

FIG. 6 is a cross-sectional view of the upper die of FIG. 5;

FIG. 7 is a schematic view of the transmission of FIG. 6;

FIG. 8 is an isometric view of an upper die and a lower die of the embodiment of FIG. 2;

FIG. 9 is a cross-sectional view of the upper die of FIG. 8;

FIG. 10 is a schematic view of the transmission of FIG. 8;

FIG. 11 is an isometric view of an upper die and a lower die of example 3;

FIG. 12 is a cross-sectional view of the upper die of FIG. 11;

FIG. 13 is an isometric view of an upper die and a lower die of example 4;

FIG. 14 is a cross-sectional view of the upper die of FIG. 13;

in the figure; 1. the device comprises a roller, 2, a limiting pressure plate, 3, a guide post, 4, a first fixed support, 5, a rack, 6, a second fixed support, 7, a third fixed support, 8, a second photoelectric sensor, 9, an upper shield, 10, a side shield, 11, a waste chute, 12, a piston rod, 13, a lifting oil cylinder, 14, a workpiece, 15, a proximity switch, 16, an oil tank, 17, a guide plate, 18, a support plate, 19, an oil tank flange, 20, a filter, 21, a sensing block, 22, an axial guide rail, 23, a right clamping jaw, 24, a transverse guide rail, 25, a left clamping jaw, 26, a left air cylinder, 27, a right air cylinder, 28, a vertical air cylinder, 29, an air pipe drag chain, 30, a first photoelectric sensor, 31, a baffle, 32, a servo motor, 33, an oil pump, 34, an upper die, 35, 36, a lower die, 37, a fixed plate, 38, an upper die chute, a lower die, a, 39. The die comprises a lower die sliding groove, 40 parts of a punch, 41 parts of a punching female die, 42 parts of a first screw rod, 43 parts of a guide nut, 44 parts of a transmission bevel gear, 45 parts of a driving bevel gear, 46 parts of a first adjusting rod, 47 parts of scale marks, 48 parts of a sliding groove, 49 parts of a mounting column, 50 parts of a guide hole;

52. a second screw, 53, a guide nut, 54, a worm wheel, 55, a worm;

62. the rack, 63, the fixed block, 64, the gear and 65, the third adjusting rod;

72. fourth screw, 73, nut seat, 74 and screwing head.

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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

Embodiment 1, an automatic punching machine, as shown in fig. 1, comprises a frame 5, wherein the frame 5 comprises a base and two symmetrical side covers 10 on the base, and an upper shield 9 is arranged on the top of each side cover 10. An oil tank 16 is arranged between the two side covers 10, an oil tank flange 19 is arranged on the top of the oil tank 16, and a filter 20 is connected to the oil tank flange 19. The frame 5 is provided with a material storage unit, a feeding unit, a positioning unit and a punching unit which are respectively connected with a control unit, and the control unit is internally provided with a corresponding control program for controlling the work of each unit.

As shown in fig. 1 and 2, the storage unit includes a lift cylinder 13 disposed in the base, a rodless cavity of the lift cylinder 13 is connected to the oil tank 16 through an oil pump motor 33, the oil pump motor 33 is connected to a control unit, and the control unit can control the lift cylinder 13 to extend and retract through the oil pump motor 33. A supporting plate 18 is connected above the piston rod 12 of the lifting oil cylinder 13 in a branching manner, guide plates 17 connected with the rack 5 are arranged on two sides of the supporting plate 18, and a workpiece 14 to be processed is placed above the guide plates 17. The control unit can control the workpiece 14 to be ejected out through the lifting oil cylinder 13, so that the feeding unit can conveniently push the workpiece 14 to the punching unit.

The feeding unit comprises a screw rod mechanism arranged between the lifting platform and the stamping unit, a clamping jaw mechanism for clamping the workpiece 14 is arranged on the screw rod mechanism, and the screw rod mechanism drives the clamping jaw mechanism to synchronously drive the workpiece to move forwards. Specifically, as shown in fig. 1, the screw mechanism includes an axial guide rail 22 connected to the frame 5, and the axial guide rail 22 is fixedly disposed in front of the support plate 18 by the first fixing bracket 4, the second fixing bracket 6, and the third fixing bracket 7. The axial guide rail 22 is provided with a servo motor 32 connected with the control unit, a lead screw connected with the servo motor 32 is arranged in the axial guide rail 22, the lead screw is connected with a nut seat moving axially, the nut seat is connected with a fixing plate 37, and the fixing plate 37 is connected with the clamping jaw mechanism. The control unit controls the servo motor 32 to rotate forwards and backwards, so as to drive the screw rod to rotate forwards or backwards, and the nut seat on the screw rod moves forwards or backwards along with the rotation of the screw rod, so as to drive the clamping jaw mechanism to move forwards and backwards through the fixing plate 37.

As shown in fig. 3, the clamping jaw mechanism includes a vertical cylinder 28 disposed on a fixing plate 37, and a telescopic shaft of the vertical cylinder 28 is disposed downward and can move up and down relative to the fixing plate 37. The telescopic shaft of the vertical cylinder 28 is connected with a transverse guide rail 24 which is perpendicular to the axial guide rail 22, and when the vertical cylinder is stretched up and down, the transverse guide rail 24 can be driven to synchronously move up and down. The transverse guide rail 24 is provided with a left air cylinder 26 and a right air cylinder 27 in a sliding mode, the left air cylinder 26 is connected with a left clamping jaw 25, the right air cylinder 27 is connected with a right clamping jaw 23 opposite to the left clamping jaw 25, the vertical air cylinder 28, the left air cylinder 26 and the right air cylinder 27 are all connected with the control unit, and the air pipe drag chain 29 of the clamping jaw mechanism is arranged above the axial guide rail 22. The control unit controls the left air cylinder 26 and the right air cylinder 27 to move relative to the transverse guide rail 24, so that the left clamping jaw 25 and the right clamping jaw 23 can be close to or separated from each other, and clamping or loosening of the workpiece 14 is achieved.

As shown in fig. 2, the stamping unit includes an upper die 35 connected to the stamping oil cylinder 34, a lower die 36 is disposed below the upper die 35, two pairs of stamping assemblies are correspondingly disposed between the upper die 35 and the lower die 36, and the two pairs of stamping assemblies are connected to each other through a spacing adjustment mechanism.

As shown in fig. 5, an upper slide groove 38 is provided at a lower portion of the upper mold 35, and a lower slide groove 39 is provided at an upper portion of the lower mold 36. The punching assembly comprises two punches 40 which are adjustably arranged on the upper die sliding groove 38 and two punching female dies 41 which are adjustably arranged on the lower die sliding groove 39 and are matched with the punches 40, and the two punches 40 are connected through a spacing adjusting mechanism.

As shown in fig. 6 and 7, the distance adjusting mechanism includes two first screw rods 42 symmetrically disposed, guide nuts 43 connected to the punch 40 are disposed on the two first screw rods 42, respectively, a drive bevel gear 44 is disposed at a proximal end of each of the two first screw rods 42, a drive bevel gear 45 is engaged with the two drive bevel gears 44, and the drive bevel gear 45 is connected to an adjusting rod 46. By rotating the first adjusting rod 46, the driving bevel gear 45 can be rotated synchronously, the driving bevel gear 45 drives the two driving bevel gears 44 to rotate, the driving bevel gears 44 drive the first screw rod 42 to rotate, the guide nut 43 moves axially relative to the first screw rod 42, and the two punches 40 are driven synchronously to approach or depart from each other. The lower die 35 is provided with a scale mark 47, and the comparison can be performed through the scale mark 47 when the distance between the two punches 40 is adjusted.

The positioning unit comprises a feeding stroke positioning mechanism, a stamping process positioning mechanism and a stamping stroke positioning mechanism. As shown in fig. 3, the feeding stroke positioning mechanism includes a first photoelectric sensor 30 disposed on the axial guide rail 22, the first photoelectric sensor 30 is connected to the control unit, and a blocking plate 31 corresponding to the first photoelectric sensor 30 is disposed on the clamping jaw mechanism or the fixing plate 37. The first photoelectric sensor 30 is matched with the blocking piece 31, the limit position of the screw rod mechanism can be monitored, and the clamping jaw mechanism is controlled to return after moving to the limit position.

As shown in fig. 1, the positioning mechanism for the stamping process includes a second photoelectric sensor 8 connected to the control unit, the clamping jaw mechanism clamps the workpiece to move, so that the workpiece 14 corresponds to the second photoelectric sensor 8 when reaching the stamping station, the second photoelectric sensor 8 transmits a corresponding signal to the control unit, and the control unit controls the stamping oil cylinder 34 to drive the upper die 35 to perform stamping.

As shown in fig. 4, the stamping stroke positioning mechanism includes two proximity switches 15 connected to the control unit, a vertical sliding groove 48 is provided on the adjusting plate, and the two proximity switches 15 are adjustably disposed on the sliding groove 48, so that the positions of the two proximity switches can be conveniently adjusted during assembly, so as to adjust the stroke of the stamping oil cylinder 34. The upper die 35 is provided with a mounting column 49, the mounting column 49 is adjustably provided with two induction blocks 21 matched with the proximity switches 15, and the two induction blocks 21 are respectively and intermittently matched with the two proximity switches 15 along with the expansion and contraction of the stamping oil cylinder 34 to control the limit position of the stamping oil cylinder 34. When the die is replaced, the distance between the two induction blocks 21 can be adjusted, and the stamping frequency of the induction blocks can be controlled.

Further, as shown in fig. 4, a limiting pressure plate 2 is arranged between the punch 40 and the punching die 41, the limiting pressure plate 2 is connected with the frame 5 through the guide post 3, the upper die 35 is connected with a guide block, and the guide block is provided with a guide hole 50 matched with the guide post 3, so that the stability and accuracy of punching are fully ensured.

Further, a scrap chute 11 is arranged below the lower die 36, and the scrap is directly discharged from the scrap chute 11 during punching. The rollers 1 are arranged on the frames 5 at the left and right sides of the lower die 36, so that the workpiece 14 can move conveniently.

Embodiment 2, a difference from embodiment 1, is that as shown in fig. 8 to 10, the distance adjusting mechanism includes a second screw 52, opposite-handed threads are provided on both right and left sides of the second screw 52, guide nuts 53 connected to the punch 40 are provided on the opposite-handed threads, respectively, and a worm gear 55 is provided on the second screw 52 in mesh with the worm gear 54 and connected to the second screw 54. The worm 55 rotates the worm wheel 54, the worm wheel 54 drives the second screw 52 to rotate synchronously, the guiding nut 53 on the second screw 52 moves axially relative to the second screw 52, and the two guiding nuts 53 drive the two punches 40 to approach or depart from each other synchronously.

The other structure of this embodiment is the same as embodiment 1.

Embodiment 3, a difference from embodiment 1 is shown in fig. 11 to 12, the distance adjusting mechanism includes two racks 62 arranged along the same straight line, one rack 62 faces downward, the other rack 62 faces downward, fixed blocks 63 connected with the punch 40 are respectively arranged on the two racks 62, the proximal ends of the two racks 62 are engaged with the same gear 64, and the gear 64 is connected with a third adjusting rod 65. Rotating the third adjusting rod 65 can drive the gear 64 to rotate synchronously, and the gear 64 can drive the two racks 62 to approach or depart from each other, thereby driving the two punches 40 to approach or depart from each other.

The other structure of this embodiment is the same as embodiment 1.

Embodiment 4 is an automatic punching machine, which is different from embodiment 1 in that, as shown in fig. 13, the distance adjusting mechanism includes a fourth screw 72, opposite-handed screw threads are provided on both right and left portions of the fourth screw 72, nut seats 73 connected to the punches 40 are provided on the opposite-handed screw threads, respectively, and an end portion of the fourth screw 72 is extended out of the upper die 35 and provided with a screw head 74. The axial distance between the two nut seats 73 can be adjusted by rotating the screw head, thereby controlling the two punches 40 to approach or depart from each other.

The other structure of this embodiment is the same as embodiment 1.

Nothing in this specification is intended to be exhaustive of all conventional and well known techniques.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An automatic punching machine, comprising a frame (5), characterized in that: be provided with storage unit, feeding unit, positioning unit and the punching press unit that links to each other with the control unit respectively on frame (5), storage unit is including the lift platform that is used for saving work piece (14), and feeding unit is including setting up the screw mechanism between lift platform and punching press unit, the last clamping jaw mechanism who is provided with centre gripping work piece (14) of screw mechanism, positioning unit includes pay-off stroke positioning mechanism, punching press process positioning mechanism, punching press stroke positioning mechanism, punching press unit includes last mould (35) that links to each other with punching press oil cylinder (34), goes up mould (35) below and is provided with lower mould (36), goes up and corresponds between mould (35) and lower mould (36) and is provided with two pairs of punching press subassemblies of mutually supporting, links to each other through interval adjustment mechanism between two pairs of punching press subassemblies.

2. The automated punching machine according to claim 1, wherein: the lifting platform comprises a lifting oil cylinder (13) arranged in the rack (5), a supporting plate (18) is connected above a piston rod (12) of the lifting oil cylinder (13), guide plates (17) connected with the rack (5) are arranged on two sides of the supporting plate (18), and a workpiece (14) to be processed is placed above the guide plates (17).

3. The automated punching machine according to claim 2, wherein: the lead screw mechanism comprises an axial guide rail (22) connected with the rack (5), a servo motor (32) connected with the control unit is arranged on the axial guide rail (22), a lead screw connected with the servo motor (32) is arranged in the axial guide rail (22), the lead screw is connected with a nut seat moving axially, the nut seat is connected with a fixing plate (37), and the fixing plate (37) is connected with the clamping jaw mechanism.

4. The automated punching machine according to claim 3, wherein: clamping jaw mechanism is including setting up vertical cylinder (28) on fixed plate (37), and the telescopic shaft of vertical cylinder (28) is connected with transverse guide (24) perpendicular with axial guide (22), and sliding on transverse guide (24) is provided with left cylinder (26) and right cylinder (27), and left cylinder (26) are connected with left clamping jaw (25), and right cylinder (27) are connected with right clamping jaw (23) relative with left clamping jaw (25), vertical cylinder (28), left cylinder (26) and right cylinder (27) all link to each other with the control unit.

5. The automatic punching machine according to any one of claims 1 to 4, wherein: the feeding stroke positioning mechanism comprises a first photoelectric sensor (30) arranged on the axial guide rail (22), the first photoelectric sensor (30) is connected with the control unit, and a blocking piece (31) corresponding to the first photoelectric sensor (30) is arranged on the clamping jaw mechanism or the fixing plate (37).

6. The automated punching machine according to claim 5, wherein: the stamping process positioning mechanism comprises a second photoelectric sensor (8) connected with the control unit, and the workpiece (14) corresponds to the second photoelectric sensor (8) when arriving at the stamping station.

7. The automated punching machine according to claim 6, wherein: punching press stroke positioning mechanism includes two proximity switch (15) that link to each other with the control unit, is provided with vertical spout (48) on the regulating plate, and two proximity switch (15) are adjustable to be set up on spout (48), upward be provided with erection column (49) on mould (35), adjustable being provided with on erection column (49) two and proximity switch (15) cooperation response piece (21).

8. The automated punching machine according to claim 7, wherein: a waste chute (11) is arranged below the lower die (36), and rollers (1) are arranged on the frames (5) on the left side and the right side of the lower die (36).

9. The automatic punching machine according to any one of claims 1 to 4, 6 to 8, wherein: the lower part of going up mould (35) is provided with mould spout (38), and the upper portion of lower mould (36) is provided with lower mould spout (39), the punching press subassembly is provided with two and punch head (40) matched with die (41) that punch a hole that adjustable set up on mould spout (38) and lower mould spout (39), be provided with between punch head (40) and the die (41) that punches a hole spacing clamp plate (2), spacing clamp plate (2) link to each other with frame (5) through guide post (3), upward be connected with the guide block on mould (35), seted up on the guide block with guide post (3) complex guiding hole (50), link to each other through interval adjustment mechanism between two punch head (40) or two die (41) that punch a hole.

10. The automated punching machine according to claim 9, wherein: the spacing adjusting mechanism comprises two first screw rods (42) which are symmetrically arranged, guide nuts (43) which are connected with the punch (40) or the punching female die (41) are respectively arranged on the two first screw rods (42), transmission bevel gears (44) are respectively arranged at the approaching ends of the two first screw rods (42), driving bevel gears (45) are arranged in a meshed mode with the two transmission bevel gears (44), and the driving bevel gears (45) are connected with adjusting rods (46);

or the distance adjusting mechanism comprises a second screw rod (52), the left part and the right part of the second screw rod (52) are provided with thread wires with opposite turning directions, the thread wires with opposite turning directions are respectively provided with a guide nut (53) connected with the punch head (40) or the punching female die (41), the second screw rod (52) is connected with a worm wheel (54), and a worm (55) is meshed with the worm wheel (54);

or the distance adjusting mechanism comprises two racks (62) arranged along the same straight line, the tooth surface of one rack (62) faces downwards, the tooth surface of the other rack (62) faces downwards, fixed blocks (63) connected with the punch (40) or the punching female die (41) are respectively arranged on the two racks (62), the approaching ends of the two racks (62) are meshed with the same gear (64), and the gear (64) is connected with a third adjusting rod (65);

or the distance adjusting mechanism comprises a fourth screw rod (72), threaded wires with opposite rotating directions are arranged at the left part and the right part of the fourth screw rod (72), nut seats (73) connected with the punch head (40) or the punching female die (41) are respectively arranged on the threaded wires with the opposite rotating directions, and the end part of the fourth screw rod (72) extends out of the upper die (35) or the lower die (36) and is provided with a screwing head (74).