CN112277372A

CN112277372A - CNC punching machine

Info

Publication number: CN112277372A
Application number: CN202011044829.3A
Authority: CN
Inventors: 郑传华; 周世宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-01-29

Abstract

The invention relates to the field of punching machines, in particular to a CNC punching machine, which comprises: a machine base; the lower die is arranged on the base; the height adjusting piece comprises an adjusting handle and a threaded rod penetrating through the adjusting handle, the adjusting handle is provided with internal threads, the adjusting handle is in threaded connection with the threaded rod, one end of the threaded rod is connected with the first mounting plate, and the threaded rod is driven to move in the vertical direction through rotation of the adjusting handle so as to control the first mounting plate to ascend and descend in the vertical direction; a driving piece is arranged on the second mounting plate; the sliding block is connected with the driving piece, a mounting seat is arranged on the sliding block, a die head is mounted on the mounting seat, an upper die is mounted on the die head, and the upper die and the lower die are arranged oppositely. This CNC punching machine has the advantage that can adjust the driving piece height.

Description

CNC punching machine

Technical Field

The invention relates to the field of punching machines, in particular to a CNC punching machine.

Background

CNC punching machine among the prior art, through control module control driving piece drive mould or blade motion and then accomplish the punching press to the work piece, this kind of punching machine has punching press precision height, advantage with low costs. However, when punching workpieces of different thicknesses or when changing dies, the stroke of the driving member may need to be changed. However, in the prior art, no technical scheme capable of adjusting the height of the driving part exists. Therefore, the CNC press in the prior art adopts a mode that a workpiece corresponds to one press, and the CNC press has no universality.

In view of the above, there is a need for a new CNC punching machine that solves or at least alleviates the above technical drawbacks.

Disclosure of Invention

The invention mainly aims to provide a CNC punching machine, and aims to solve the technical problem that the height of a driving part of the existing CNC punching machine cannot be adjusted.

To achieve the above object, the present invention provides a CNC punching machine comprising:

the electric cabinet comprises a shell and a control panel arranged on the shell, and the control panel is provided with a control button;

the lower die is arranged on the base;

the mounting frame comprises a transverse plate and a vertical plate, the vertical plate is vertically connected with the base, the transverse plate is arranged on one side, away from the base, of the vertical plate, a waist-shaped hole is formed in the vertical plate, a first mounting plate and a second mounting plate are respectively arranged on the front surface and the back surface of the vertical plate, a height adjusting piece is arranged on the transverse plate and comprises an adjusting handle and a threaded rod penetrating through the adjusting handle, the adjusting handle is provided with an internal thread and is in threaded connection with the threaded rod, one end of the threaded rod is connected with the first mounting plate, and the threaded rod is driven to move in the vertical direction through rotation of the adjusting handle so as to control the first mounting plate to ascend and descend in the vertical direction; the driving piece is arranged on the second mounting plate;

the sliding block is connected with the driving piece, a mounting seat is arranged on the sliding block, a die head is mounted on the mounting seat, an upper die is mounted on the die head, the upper die and the lower die are arranged relatively, and the upper die is driven by the driving piece to move and drive the upper die to move in the vertical direction and then to punch and place on a workpiece on the lower die.

Preferably, the driving piece is for driving actuating cylinder, drive actuating cylinder include the cylinder body and with cylinder body telescopic connection's telescopic shaft, the CNC punching machine still including install in the connecting seat of second mounting panel, the cylinder body install in the connecting seat, the telescopic shaft with the slider is connected, still be provided with flow control valve on the cylinder body.

Preferably, a notch is formed in the first mounting plate, and an extending end matched with the notch is arranged at one end of the threaded rod.

Preferably, the CNC punching machine further comprises mounting blocks respectively mounted on two sides of the vertical plate, a hydraulic buffer is mounted on the mounting blocks, a limiting block is arranged at the top end of the hydraulic buffer, and when the sliding block moves to an upper limiting position, the limiting block abuts against the top surface of the sliding block to prevent the sliding block from continuing to move.

Preferably, the mounting seat comprises a base plate and a connecting plate connected with the base plate, the base plate is connected with the sliding block, the die head comprises a sleeve and a mounting handle arranged on the sleeve, the sleeve is mounted on the connecting plate, and the mounting handle is connected with the upper die.

Preferably, a through hole is formed in the position, facing the upper die, of the lower die, an arc chamfer is formed in one side, facing the upper die, of the through hole, and the upper die is a cylindrical die.

Preferably, a guide rail is arranged on the machine base, and the lower die is provided with a guide groove matched with the guide rail, so that the lower die can move in the horizontal direction.

Preferably, the CNC punching machine still includes first light curtain detector and second light curtain detector, the mounting bracket still include with the light curtain installation pole that the diaphragm is connected, first light curtain detector with light curtain installation pole slidable connection, second light curtain detector slidable install in the frame.

Preferably, the base is further provided with a mounting part and an optical fiber, the mounting part comprises a fixing part and a mounting body mounted on the fixing part, and the optical fiber is mounted on the mounting body.

Preferably, the mounting is the L shaped plate, be provided with rectangular shape hole on the L shaped plate, the installation body includes body and screw thread retaining member, install on the body optic fibre, the body passes through the screw thread retaining member with the L shaped plate is connected in order to adjust the height of body and then the adjustment the height of optic fibre.

In the above technical solution of the present invention, the CNC punching machine includes: the electric cabinet comprises a shell and a control panel arranged on the shell, and the control panel is provided with a control button; the lower die is arranged on the base; the mounting frame comprises a transverse plate and a vertical plate, the vertical plate is vertically connected with the base, the transverse plate is arranged on one side, far away from the base, of the vertical plate, a waist-shaped hole is formed in the vertical plate, a first mounting plate and a second mounting plate are respectively arranged on the front surface and the back surface of the vertical plate, a height adjusting piece is arranged on the transverse plate and comprises an adjusting handle and a threaded rod penetrating through the adjusting handle, the adjusting handle is provided with an internal thread and is in threaded connection with the threaded rod, and one end of the threaded rod is connected with the first mounting plate so as to drive the threaded rod to move in the vertical direction through rotation of the adjusting handle and further control the first mounting plate; a driving piece is arranged on the second mounting plate; set up in the slide rail of second mounting panel and with slide rail sliding connection's slider, the slider is connected with the driving piece, is provided with the mount pad on the slider, installs the die head on the mount pad, installs the mould on the die head, goes up the mould and sets up with the lower mould relatively to do elevating movement and then the work piece that the punching press was placed on the lower mould in vertical direction through driving piece drive slider motion and then drive mould. In the above scheme, through the disconnection of control button control CNC punching machine, first mounting panel, second mounting panel all are provided with the mounting hole, and both connect through the screw, can drive the threaded rod through rotatory adjustment handle and rise or descend in vertical direction, and then control first mounting panel and rise or descend in vertical direction, make second mounting panel and first mounting panel correspond the installation all the time to the height of the driving piece on the second mounting panel is installed in the adjustment. Specifically, when the distance between the upper die and the lower die is reduced after the die is replaced, the height of the driving member (the upper die and the driving member are connected and therefore move together with the driving member) needs to be raised so that the distance between the upper die and the lower die reaches the distance before replacement; when the distance between the upper die and the lower die is increased after the die is replaced, the height of the driving part needs to be reduced, and then the height of the upper die needs to be reduced, so that the distance between the upper die and the lower die reaches the distance before the replacement. Thus, by adjusting the height of the driving member without adjusting the stroke of the driving member, the operation is simpler. The invention has the advantage of being able to adjust the height of the driving member. The drive member may be a drive cylinder.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Illustration of the drawings:

FIG. 1 is a schematic perspective view of a CNC press according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a partial perspective structure of a CNC punching machine (with an electric cabinet removed) according to an embodiment of the invention;

FIG. 3 is a schematic view of another part of the CNC press of the present invention in perspective;

FIG. 4 is a schematic view of FIG. 3 from a certain perspective;

FIG. 5 is a schematic perspective view of a die and an upper die of an embodiment of the present invention;

FIG. 6 is a perspective view of a mounting member and an optical fiber according to an embodiment of the present invention.

The reference numbers illustrate: 1. a machine base; 2. an electric cabinet; 22. a control button; 3. a mounting frame; 31. a transverse plate; 32. a vertical plate; 33. a first mounting plate; 331. a notch; 34. a second mounting plate; 4. a height adjustment member; 41. adjusting the handle; 42. a threaded rod; 5. a lower die; 6. a slide rail; 8. a mounting seat; 9. a die head; 91. a sleeve; 92. a handle is installed; 10. an upper die; 11. a driving cylinder; 111. a cylinder body; 112. a telescopic shaft; 12. a connecting seat; 13. a flow regulating valve; 14. a hydraulic buffer; 15. a limiting block; 16. a guide rail; 17. a first light curtain detector; 18. a second light curtain detector; 19. a light curtain mounting rod; 20. a mounting member; 21. an optical fiber; 201. an L-shaped plate; 202. a threaded locking member; 203. an installation body; 22. a kidney-shaped hole.

The implementation, functional features and advantages of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent 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 any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that all the directional indicators (such as the upper and lower … …) in the embodiment of the present invention are only used to explain the relative position relationship, movement, etc. of the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Moreover, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary to be able to be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a CNC punching machine, according to a preferred embodiment of the present invention, comprising:

the electric cabinet control device comprises a machine base 1, wherein an electric cabinet 2 is arranged on the machine base 1, the electric cabinet 2 comprises a shell and a control panel arranged on the shell, and a control button 22 is arranged on the control panel;

a lower die 5 arranged on the base 1;

the mounting frame 3 comprises a transverse plate 31 and a vertical plate 32, the vertical plate 32 is vertically connected with the machine base 1, the transverse plate 31 is arranged on one side of the vertical plate 32 far away from the machine base 1, the vertical plate 32 is provided with a waist-shaped hole 22, the riser 32 is provided on the front and rear surfaces thereof with a first mounting plate 33 and a second mounting plate 34, the transverse plate 31 is provided with a height adjusting piece 4, the height adjusting piece 4 comprises an adjusting handle 41 and a threaded rod 42 penetrating through the adjusting handle 41, the adjusting handle 41 is provided with internal threads, the adjusting handle 41 is in threaded connection with the threaded rod 42, one end of the threaded rod 42 is connected with the first mounting plate 33, so as to drive the threaded rod 42 to move in the vertical direction through the rotation of the adjusting handle 41, and further control the first mounting plate 33 to lift in the vertical direction; the driving piece is arranged on the second mounting plate 34;

set up in the slide rail 6 of second mounting panel 34 and with slide rail 6 sliding connection's slider, the slider with the driving piece is connected, be provided with mount pad 8 on the slider, install die head 9 on the mount pad 8, install mould 10 on the die head 9, go up mould 10 with lower mould 5 sets up relatively, with pass through the driving piece drive slider motion and then drive go up mould 10 and be elevating movement and then the punching press place in work piece on lower mould 5 in the vertical direction.

In the above embodiment, the CNC punching machine is controlled to be switched on and off by the control button 22, the first mounting plate 33 and the second mounting plate 34 are both provided with mounting holes, the first mounting plate 33 and the second mounting plate 34 are connected by a screw, the threaded rod 42 can be driven to ascend or descend in the vertical direction by rotating the adjusting handle 41, and then the first mounting plate 33 is controlled to ascend or descend in the vertical direction, so that the second mounting plate 34 and the first mounting plate 33 are always correspondingly mounted, and the height of the driving part can be adjusted. Specifically, when the distance between the upper die 10 and the lower die 5 is reduced after the replacement of the die, it is necessary to raise the height of the driving member (the upper die 10 is connected to the driving member and thus moves together with the driving member) so that the interval between the upper die 10 and the lower die 5 reaches the distance before the replacement; when the distance between the upper die 10 and the lower die 5 increases after the replacement of the dies, it is necessary to lower the height of the driving member and thus the height of the upper die 10 so that the interval between the upper die 10 and the lower die 5 reaches the distance before the replacement. Thus, by adjusting the height of the driving member without adjusting the stroke of the driving member, the operation is simpler. This embodiment has the advantage that the height of the driving member can be adjusted. The drive member may be a drive cylinder 11.

According to another preferred embodiment of the present invention, the driving member is a driving cylinder 11, the driving cylinder 11 includes a cylinder body 111 and a telescopic shaft 112 telescopically connected to the cylinder body 111, the CNC punching machine further includes a connecting seat 12 mounted to the second mounting plate 34, the cylinder body 111 is mounted to the connecting seat 12, the telescopic shaft 112 is connected to the slider, and a flow regulating valve 13 is further disposed on the cylinder body 111. Firstly, the whole driving cylinder 11 can move along with the movement of the first mounting plate 33, the telescopic shaft 112 can drive the sliding block to move so as to drive the upper die 10 to move in the vertical direction to punch a workpiece, and the flow regulating valve 13 can accurately control the stroke and the punching force of the cylinder, so that the punching precision is ensured.

As a preferable implementation manner of the above embodiment, the first mounting plate 33 is provided with a notch 331, and one end of the threaded rod 42 is provided with a protruding end which is matched with the notch 331. The notch 331 may be in various forms, such as a "convex" notch 331 formed on the first mounting plate 33 and a "T" extending end formed at one end of the threaded rod 42, or any other forms as long as the threaded rod 42 is rigidly connected to the first mounting plate 33.

Further, the CNC punching machine further comprises mounting blocks respectively mounted on two sides of the vertical plate 32, a hydraulic buffer 14 is mounted on the mounting blocks, a limiting block 15 is arranged at the top end of the hydraulic buffer 14, and when the sliding block moves to an upper limiting position, the limiting block 15 abuts against the top surface of the sliding block to prevent the sliding block from moving continuously. The limiting block 15 is used for preventing the stroke of the sliding block from exceeding a preset range, the hydraulic buffer 14 has a buffering effect, the impact of the sliding block on the limiting block 15 is reduced, and the service life of the component is prolonged.

Further, the mounting seat 8 includes a substrate and a connecting plate connected to the substrate, the substrate is connected to the slider, the die head 9 includes a sleeve 91 and a mounting handle 92 disposed on the sleeve 91, the sleeve 91 is mounted on the connecting plate, and the mounting handle 92 is connected to the upper die 10. The connecting plate is provided with a mounting round hole, the sleeve 91 is mounted in the round hole, and the sleeve 91 can be further provided with an adjusting locking rod for locking the sleeve 91.

Further, a through hole is formed in the position, facing the upper die 10, of the lower die 5, an arc chamfer is formed in one side, facing the upper die 10, of the through hole, and the upper die 10 is a cylindrical die. The embodiment is used for punching a circular hole on a workpiece, and of course, a person skilled in the art can set other forms of dies according to actual needs to punch workpieces with different shapes.

Further, a guide rail 16 is provided on the machine base 1, and the lower mold 5 is provided with a guide groove matched with the guide rail 16, so that the lower mold 5 can move in the horizontal direction. The position of the lower die 5 can be adjusted according to the shape of the workpiece.

Further, the CNC punching machine still includes first light curtain detector 17 and second light curtain detector 18, the mounting bracket 3 still include with the light curtain installation rod 19 that the diaphragm 31 is connected, first light curtain detector 17 with light curtain installation rod 19 slidable connection, second light curtain detector 18 slidable install in frame 1. The first light curtain detector 17 and the second light curtain detector 18 mainly play a role of protection, and when an operator hands between the first light curtain detector 17 and the second light curtain detector 18, the driving cylinder 11 cannot work to protect the operator.

Further, the base 1 is further provided with a mounting member 20 and an optical fiber 21, the mounting member 20 includes a fixing member and a mounting body 203 mounted on the fixing member, and the optical fiber 21 is mounted on the mounting body 203. The optical fiber 21 mainly plays a role in positioning the workpiece, and only when the optical fiber 21 detects that the workpiece is placed at a preset position, the driving cylinder 11 can be started to punch the workpiece, so that the punching precision is improved.

Further, the mounting is L shaped plate 201, be provided with rectangular shape hole on the L shaped plate 201, the installation body 203 includes body and screw thread retaining member 202, install on the body optic fibre 21, the body passes through screw thread retaining member 202 with L shaped plate 201 is connected in order to adjust the height of body and then the adjustment optic fibre 21's height. The position of the body and thus the height of the optical fiber 21 can be adjusted by the threaded locking member and the elongated hole.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical spirit of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A CNC punching machine, comprising:

the electric cabinet type air conditioner comprises a base (1), wherein an electric cabinet (2) is arranged on the base (1), the electric cabinet (2) comprises a shell and a control panel arranged on the shell, and a control button (22) is arranged on the control panel;

the lower die (5) is arranged on the machine base (1);

mounting bracket (3) and driving piece, mounting bracket (3) include diaphragm (31) and riser (32), riser (32) with frame (1) is connected perpendicularly, diaphragm (31) set up in riser (32) are kept away from one side of frame (1), be provided with waist type hole (22) on riser (32), the front and the back of riser (32) are provided with first mounting panel (33) and second mounting panel (34) respectively, be provided with height adjusting part (4) on diaphragm (31), height adjusting part (4) include adjustment handle (41) and pass threaded rod (42) of adjustment handle (41), adjustment handle (41) are provided with the internal thread, adjustment handle (41) with threaded rod (42) threaded connection, the one end of threaded rod (42) with first mounting panel (33) are connected, so as to drive the threaded rod (42) to move in the vertical direction through the rotation of the adjusting handle (41) and further control the first mounting plate (33) to ascend and descend in the vertical direction; the driving piece is arranged on the second mounting plate (34);

set up in slide rail (6) of second mounting panel (34) and with slide rail (6) sliding connection's slider, the slider with the driving piece is connected, be provided with mount pad (8) on the slider, install die head (9) on mount pad (8), install mould (10) on die head (9), go up mould (10) with lower mould (5) set up relatively, with through the driving piece drive the slider motion and then the drive go up mould (10) and be elevating movement and then the punching press place in work piece on lower mould (5) in vertical direction.

2. The CNC punching machine according to claim 1, characterized in that the driving member is a driving cylinder (11), the driving cylinder (11) comprises a cylinder body (111) and a telescopic shaft (112) telescopically connected with the cylinder body (111), the CNC punching machine further comprises a connecting seat (12) installed on the second mounting plate (34), the cylinder body (111) is installed on the connecting seat (12), the telescopic shaft (112) is connected with the slider, and a flow regulating valve (13) is further provided on the cylinder body (111).

3. The CNC punching machine according to claim 1, characterized in that the first mounting plate (33) is provided with a notch (331), and one end of the threaded rod (42) is provided with a protruding end cooperating with the notch (331).

4. The CNC punching machine according to claim 1, characterized in that the CNC punching machine further comprises mounting blocks respectively mounted at both sides of the riser (32), a hydraulic buffer (14) is mounted on the mounting blocks, a top end of the hydraulic buffer (14) is provided with a stopper (15), when the slider moves to an upper stopper position, the stopper (15) abuts with a top surface of the slider to prevent the slider from further moving.

5. The CNC punching machine according to claim 1, characterized in that the mounting seat (8) comprises a base plate and a connecting plate connected with the base plate, the base plate is connected with the slide block, the die head (9) comprises a sleeve (91) and a mounting shank (92) provided to the sleeve (91), the sleeve (91) is mounted to the connecting plate, and the mounting shank (92) is connected with the upper die (10).

6. CNC punching machine according to claim 1, characterized in that the lower die (5) is provided with a through hole at the location facing the upper die (10), the side of the through hole facing the upper die (10) is provided with a rounded chamfer, and the upper die (10) is a cylindrical die.

7. The CNC punching machine according to claim 6, characterized in that the machine base (1) is provided with a guide rail (16), and the lower die (5) is provided with a guide groove cooperating with the guide rail (16) to enable the lower die (5) to move in a horizontal direction.

8. The CNC punching machine according to claim 1, characterized in that the CNC punching machine further comprises a first light curtain detector (17) and a second light curtain detector (18), the mounting frame (3) further comprises a light curtain mounting bar (19) connected with the cross plate (31), the first light curtain detector (17) is slidably connected with the light curtain mounting bar (19), the second light curtain detector (18) is slidably mounted to the machine base (1).

9. The CNC punching machine according to the claim 1, characterized in that the machine base (1) is further provided with a mounting member (20) and an optical fiber (21), the mounting member (20) comprises a fixture and a mounting body (203) mounted on the fixture, the optical fiber (21) is mounted on the mounting body (203).

10. The CNC punching machine according to the claim 9, characterized in that the fixture is an L-shaped plate (201), the L-shaped plate (201) is provided with an elongated hole, the mounting body (203) comprises a body and a threaded locker (202), the body is mounted with the optical fiber (21), the body is connected with the L-shaped plate (201) through the threaded locker (202) to adjust the height of the body and thus the height of the optical fiber (21).