CN213530380U

CN213530380U - Precision type piercing press

Info

Publication number: CN213530380U
Application number: CN202022407728.XU
Authority: CN
Inventors: 廖逢春
Original assignee: Huizhou Hongfu Precision Hardware Parts Co ltd
Current assignee: Huizhou Hongfu Precision Hardware Parts Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-06-25
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses an accurate type piercing press, including cylinder, jumper bar, piercing press head, base and connecting thread head, the control box is installed to one side of base, the support frame is all installed to the both sides of base top one end, and installs the backup pad between the top of support frame, the cylinder is installed to the intermediate position department on backup pad top. The utility model discloses an install fixture, the pull rod, the activity groove, the centre gripping spring, fixed block and grip block, make through the removal of pull rod in the activity inslot, it stretches out and draws back to drive the centre gripping spring, so that the work piece size of processing as required, adjust the distance between the grip block, thereby be convenient for be applicable to the work piece of not equidimension pattern, the variety of centre gripping has been improved, protruding through installing the protection simultaneously, so that protect and increase the frictional force between work piece and the grip block to workpiece surface, thereby be convenient for improve accuracy nature and stability when punching a hole.

Description

Precision type piercing press

Technical Field

The utility model relates to a piercing press technical field specifically is an accurate type piercing press.

Background

The punching machine is a mechanical device which completes punching by applying a punching die on a material under the driving of a power mechanism after the raw material is installed, can perform the operation of forcing metal to enter the die such as sheet processing, punching, die pressing, embossing and the like, and has wider and wider application field along with the development of high and new technology;

most of clamping mechanisms of the traditional punching machine are single in structure, and when workpieces of different sizes need to be clamped, the clamping range is limited, and the clamping effect is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate type piercing press to solve the problem that the piercing press that proposes carries out the centre gripping to the work piece of equidimension not among the above-mentioned background art inconveniently.

In order to achieve the above object, the utility model provides a following technical scheme: a precise punching machine comprises a cylinder, a punch rod, a punching head, a base and a connecting thread head, wherein a control box is installed on one side of the base, support frames are installed on two sides of one end of the top of the base, a support plate is installed between the top ends of the support frames, the cylinder is installed at the middle position of the top end of the support plate, the punch rod is installed at the middle position of the bottom end of the support plate, the punching head is installed at the bottom end of the punch rod, a support table is installed at the top end of the base below the punching head, a limiting seat is installed at the top end of the support table, a limiting mechanism is uniformly arranged in the limiting seat, electromagnetic slide rails are installed at two ends of one side, away from the support table, of the top of the base, the electromagnetic slide rails are movably installed at the top ends of the electromagnetic slide rails, fixture includes the fixed block, and the fixed block all installs the both ends at the fixed plate top, the intermediate position department of fixed block all is provided with the activity groove, and the inside in activity groove all transversely runs through there is the pull rod, the grip block is all installed to the inboard of pull rod, the outside of pull rod all overlaps and is equipped with the centre gripping spring, and the one end of centre gripping spring all with fixed block fixed connection, the other end of centre gripping spring all with grip block fixed connection.

Preferably, the one end that the fixed block was kept away from to the grip block all evenly is provided with the protection arch, and the protruding section of protection all is the semicircular design.

Preferably, stop gear includes the spacing groove, and the spacing groove all sets up in the inside both sides and the bottom of spacing seat, the equal movable mounting in inside of spacing groove has the stopper, and the stopper keeps away from one side of punching head and all evenly installs spacing spring, one side that spacing spring kept away from the stopper all with the inner wall fixed connection of spacing groove, the inside of the spacing seat in the spacing groove outside all evenly is provided with the spout, the stopper is kept away from the both sides of punching head one end and all is installed the movable block, and the movable block all with spout swing joint.

Preferably, the section of the limiting block is designed in an arc shape, and a protecting sleeve is arranged on one side, close to the punching head, of the limiting block.

Preferably, the bottom end of the punch rod is provided with a connecting thread groove, the top end of the punching head is provided with a connecting thread head, and the connecting thread head is movably connected with the connecting thread groove.

Preferably, the bottom of the punch rod outside the connecting thread groove is provided with a clamping groove, the top end of the punching head outside the connecting thread head is provided with a clamping ring, and the clamping ring is movably connected with the clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that: the precision punching machine not only realizes the function of convenient clamping, but also realizes the function of convenient limiting, and is convenient for replacing the punching head;

(1) by installing the clamping mechanism, the pull rod, the movable groove, the clamping spring, the fixed block and the clamping block, the clamping spring is driven to stretch by moving the pull rod in the movable groove, so that the distance between the clamping blocks can be adjusted according to the size of a workpiece to be machined, the clamping mechanism is convenient to be suitable for workpieces of different sizes and styles, the clamping diversity is improved, and meanwhile, the surface of the workpiece is protected and the friction force between the workpiece and the clamping block is increased by installing the protection protrusion, so that the accuracy and the stability in punching are improved;

(2) the workpiece is inserted into the limiting seat through the limiting seat, the limiting mechanism, the limiting groove, the limiting spring, the sliding groove, the movable block and the limiting block, the workpiece is in contact with the limiting block to drive the limiting block to move in the limiting groove, and the limiting block drives the limiting spring to stretch and retract, so that the workpiece is suitable for workpieces of different sizes;

(3) through installing connecting thread groove, connecting thread head, draw-in groove and snap ring for through the rotation of connecting thread head in connecting thread groove, so that carry out the dismouting to the punching head, thereby the work piece pattern that is convenient for punch a hole as required selects suitable punching head, simultaneously through the rotation of snap ring in the draw-in groove, so that strengthen being connected between punching head and the ram, strengthen the stability of punching head at the during operation.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

fig. 3 is a schematic front view of the present invention;

fig. 4 is a schematic structural view of a portion a in fig. 1 according to the present invention;

FIG. 5 is a schematic view of the front cross-section of the limiting seat of the present invention;

fig. 6 is a schematic view of a front cross-sectional structure of the clamping mechanism of the present invention.

In the figure: 1. a cylinder; 2. a support plate; 3. punching; 4. a punching head; 5. a clamping mechanism; 501. a pull rod; 502. a movable groove; 503. a clamping spring; 504. a fixed block; 505. a clamping block; 6. a fixing plate; 7. a support table; 8. a control box; 9. a base; 10. an electromagnetic slide rail; 11. an electromagnetic slider; 12. a limiting mechanism; 1201. a limiting groove; 1202. a limiting spring; 1203. a chute; 1204. a movable block; 1205. a limiting block; 13. a limiting seat; 14. a support frame; 15. connecting the thread groove; 16. connecting a threaded head; 17. a card slot; 18. a snap ring; 19. and (4) a protective bulge.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides an embodiment: a precision punching machine comprises a cylinder 1, a punch rod 3, a punching head 4, a base 9 and a connecting threaded head 16, wherein a control box 8 is installed on one side of the base 9, supporting frames 14 are installed on two sides of one end of the top of the base 9, a supporting plate 2 is installed between the top ends of the supporting frames 14, the cylinder 1 is installed in the middle of the top end of the supporting plate 2, and the punch rod 3 is installed in the middle of the bottom end of the supporting plate 2;

the bottom end of the punch rod 3 is provided with a connecting thread groove 15, the top end of the punching head 4 is provided with a connecting thread head 16, and the connecting thread head 16 is movably connected with the connecting thread groove 15;

specifically, as shown in fig. 1, 2 and 4, when in use, the connection screw head 16 rotates in the connection screw groove 15 so as to assemble and disassemble the punching head 4, thereby facilitating selection of a proper punching head 4 according to the workpiece pattern to be punched;

a clamping groove 17 is formed in the bottom end of the punch rod 3 outside the connecting thread groove 15, a clamping ring 18 is mounted at the top end of the punching head 4 outside the connecting thread head 16, and the clamping ring 18 is movably connected with the clamping groove 17;

specifically, as shown in fig. 1, 2 and 4, when in use, the connection between the punching head 4 and the punch rod 3 is enhanced through the rotation of the snap ring 18 in the clamping groove 17, so that the stability of the punching head 4 in work is enhanced;

a punching head 4 is arranged at the bottom end of the punch rod 3, a supporting table 7 is arranged at the top end of the base 9 below the punching head 4, a limiting seat 13 is arranged at the top end of the supporting table 7, and limiting mechanisms 12 are uniformly arranged inside the limiting seat 13;

the limiting mechanism 12 comprises limiting grooves 1201, the limiting grooves 1201 are arranged on two sides and at the bottom end inside the limiting seat 13, limiting blocks 1205 are movably arranged inside the limiting grooves 1201, limiting springs 1202 are uniformly arranged on one sides, away from the punching head 4, of the limiting blocks 1205, one sides, away from the limiting blocks 1205, of the limiting springs 1202 are fixedly connected with the inner wall of the limiting grooves 1201, sliding grooves 1203 are uniformly arranged inside the limiting seat 13 outside the limiting grooves 1201, movable blocks 1204 are arranged on two sides, away from one end of the punching head 4, of the limiting blocks 1205, and the movable blocks 1204 are movably connected with the sliding grooves 1203;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 5, when the workpiece is used, the workpiece is inserted into the limiting seat 13, the workpiece contacts with the limiting block 1205, the limiting block 1205 is driven to move in the limiting groove 1201, and the limiting block 1205 drives the limiting spring 1202 to extend and retract, so that the workpiece is suitable for workpieces with different sizes, and meanwhile, the limiting block 1205 is guided by the sliding of the movable block 1204 in the sliding groove 1203, so that the stability of the limiting block 1205 during moving is improved;

the sections of the limiting blocks 1205 are all arc-shaped, and one sides of the limiting blocks 1205 close to the punching heads 4 are provided with protecting sleeves;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 5, when the device is used, the section of the limiting block 1205 is in an arc shape, and a protecting sleeve is arranged on one side of the limiting block 1205 close to the punching head 4, so that the outer surface of a workpiece is protected conveniently, and the workpiece is prevented from being worn due to direct contact with the limiting block 1205 when moving;

the electromagnetic slide rails 10 are mounted at two ends of the top of the base 9, which are far away from one side of the support table 7, electromagnetic slide blocks 11 are movably mounted at the top ends of the electromagnetic slide rails 10, a fixing plate 6 is mounted between the top ends of the electromagnetic slide blocks 11, clamping mechanisms 5 are arranged at two ends of the top of the fixing plate 6, each clamping mechanism 5 comprises a fixing block 504, the fixing blocks 504 are mounted at two ends of the top of the fixing plate 6, movable grooves 502 are formed in the middle positions of the fixing blocks 504, pull rods 501 transversely penetrate through the movable grooves 502, and clamping blocks 505 are mounted on the inner sides of the pull rods 501;

the ends of the clamping blocks 505 far away from the fixed block 504 are all uniformly provided with protective bulges 19, and the cross sections of the protective bulges 19 are designed in a semicircular shape;

specifically, as shown in fig. 2 and fig. 6, in use, the protection protrusion 19 is installed to protect the surface of the workpiece and increase the friction force between the workpiece and the clamping block 505, so as to improve the accuracy and stability in punching;

the outer sides of the pull rods 501 are all sleeved with clamping springs 503, one ends of the clamping springs 503 are all fixedly connected with the fixing blocks 504, and the other ends of the clamping springs 503 are all fixedly connected with the clamping blocks 505.

The working principle is as follows: when the punching head is used, firstly, a proper punching head 4 is selected according to the size of a workpiece to be machined, then the punching head 4 is rotated to drive the connecting thread head 16 and the connecting thread groove 15 to be connected, and meanwhile, the stable effect between the punching head 4 and the punch 3 is improved through the clamping connection between the clamping ring 18 and the clamping groove 17;

then, one end of the workpiece to be machined penetrates through the limiting seat 13, the workpiece contacts with the limiting block 1205 and pushes the limiting block 1205 to move in the limiting groove 1201, the limiting block 1205 drives the limiting spring 1202 to stretch and retract to limit the workpiece,

finally, after the limiting is completed, the other end of the workpiece is placed on the fixing plate 6, the pull rod 501 is pulled to drive the clamping spring 503 to stretch, the distance between the clamping blocks 505 is adjusted according to the size of the workpiece to be machined, after the clamping is completed, the device starts to work, the electromagnetic slide block 11 moves on the electromagnetic slide rail 10 to drive one end of the workpiece to penetrate through the limiting seat 13, the punching rod 3 drives the punching head 4 to penetrate through the top end of the limiting seat 13 through the air cylinder 1 and punch a hole in the workpiece in the limiting seat 13, when the workpiece moves, the outer surface of the workpiece is protected through the protecting sleeve, the workpiece is prevented from being directly contacted with the limiting block 1205 to cause abrasion when the workpiece moves, and the work of the precision punching machine is finally completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a precision type piercing press, includes cylinder (1), drift (3), piercing head (4), base (9) and connecting thread head (16), its characterized in that: the punching machine is characterized in that a control box (8) is installed on one side of a base (9), support frames (14) are installed on two sides of one end of the top of the base (9), a support plate (2) is installed between the top ends of the support frames (14), a cylinder (1) is installed at the middle position of the top end of the support plate (2), a punch rod (3) is installed at the middle position of the bottom end of the support plate (2), a punching head (4) is installed at the bottom end of the punch rod (3), a support table (7) is installed at the top end of the base (9) below the punching head (4), a limiting seat (13) is installed at the top end of the support table (7), a limiting mechanism (12) is uniformly arranged inside the limiting seat (13), electromagnetic slide rails (10) are installed at two ends of one side, far away from the support table (7), of the top end of the base (, install fixed plate (6) between the top of electromagnetism slider (11), and the both ends at fixed plate (6) top all are provided with fixture (5), fixture (5) are including fixed block (504), and fixed block (504) all install the both ends at fixed plate (6) top, the intermediate position department of fixed block (504) all is provided with movable groove (502), and the inside of activity groove (502) all transversely runs through pull rod (501), grip block (505) are all installed to the inboard of pull rod (501), the outside of pull rod (501) all is equipped with clamping spring (503), and the one end of clamping spring (503) all with fixed block (504) fixed connection, the other end of clamping spring (503) all with clamping block (505) fixed connection.

2. A precision punch as claimed in claim 1, wherein: the clamping blocks (505) are uniformly provided with protective bulges (19) at one ends far away from the fixing blocks (504), and the sections of the protective bulges (19) are designed in a semicircular shape.

3. A precision punch as claimed in claim 1, wherein: limiting mechanism (12) include spacing groove (1201), and spacing groove (1201) all set up in the inside both sides and the bottom of spacing seat (13), the equal movable mounting in inside of spacing groove (1201) has stopper (1205), and stopper (1205) keep away from one side of punching head (4) and all evenly install spacing spring (1202), one side that stopper (1205) were kept away from in spacing spring (1202) all with the inner wall fixed connection of spacing groove (1201), the inside of spacing seat (13) in the spacing groove (1201) outside all evenly is provided with spout (1203), movable block (1204) are all installed to the both sides that punching head (4) one end was kept away from in stopper (1205), and movable block (1204) all with spout (1203) swing joint.

4. A precision punch as claimed in claim 3, wherein: the section of stopper (1205) all is the arc design, and stopper (1205) are close to the lag of one side of punching head (4).

5. A precision punch as claimed in claim 1, wherein: the bottom end of the punch rod (3) is provided with a connecting thread groove (15), the top end of the punching head (4) is provided with a connecting thread head (16), and the connecting thread head (16) is movably connected with the connecting thread groove (15).

6. A precision punch as claimed in claim 5, in which: the bottom of the punch rod (3) outside the connecting thread groove (15) is provided with a clamping groove (17), the top end of the punching head (4) outside the connecting thread head (16) is provided with a clamping ring (18), and the clamping ring (18) is movably connected with the clamping groove (17).