CN215355679U

CN215355679U - Punching assembly of punching machine

Info

Publication number: CN215355679U
Application number: CN202120889890.1U
Authority: CN
Inventors: 詹林峰
Original assignee: Kunshan Xinxiaofeng Precision Technology Co ltd
Current assignee: Kunshan Xinxiaofeng Precision Technology Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-31
Anticipated expiration: 2031-04-27

Abstract

The utility model provides a punching assembly of a punching machine, which relates to the technical field of punching assemblies and comprises two mounting plates, two stand columns and a top plate, wherein the two stand columns are distributed left and right; an electric cylinder is fixed at the top of the top plate, the lower end of the electric cylinder is connected with a movable rod in a sliding mode, the lower end of the movable rod penetrates through the bottom of the top plate and is located between the two stand columns, an installing head is welded at the lower end of the movable rod, a screw hole is formed in the center of the bottom of the installing head, and a circle of circular groove is formed in the periphery of the bottom of the installing head; the utility model has the beneficial effects that: the drift installation is simple, and the staff of being convenient for installs the drift, can avoid ring and screw post at installation head internal rotation for the drift is connected more firmly with installation head, and the area of contact of drift with installation head has been increased in the design of ring, has further strengthened the steadiness of drift with installation head, is favorable to the drift to move stably, thereby can make the drift punch a hole more accurately.

Description

Punching assembly of punching machine

Technical Field

The utility model relates to the technical field of punching assemblies, in particular to a punching assembly of a punching machine.

Background

The punch press is a stamping type press. In national production, the stamping process has the advantages of material and energy conservation, high efficiency, low technical requirement on operators and capability of making products which cannot be machined through various die applications compared with the traditional machining, so that the stamping process has wider and wider application.

The punching assembly of the existing punching machine is provided with a punch, the step of installing the punch on the punching assembly is complex, the punch is inconvenient for workers to install the punch, and in addition, the punch and the punching assembly are often connected insecurely, so that the punch is not accurate in punching and the punching effect of the punch is influenced.

SUMMERY OF THE UTILITY MODEL

The punching assembly of the punching machine provided by the utility model has the advantages that the punching head installation process is simple, workers can install the punching head conveniently, the circular ring and the threaded column can be prevented from rotating in the installation head, the connection between the punching head and the installation head is firmer, the contact area between the punching head and the installation head is increased due to the design of the circular ring, the stability between the punching head and the installation head is further enhanced, the stable movement of the punching head is facilitated, the punching head can punch holes more accurately, and the problems in the background technology are solved.

In order to achieve the purpose, the utility model provides the following technical scheme:

a punching assembly of a punching machine comprises mounting plates, stand columns and a top plate, wherein the two stand columns are distributed in a left-right mode, the mounting plates are fixed to the bottoms of the two stand columns, and the top plate is fixed to the tops of the two stand columns;

an electric cylinder is fixed at the top of the top plate, a movable rod is connected to the lower end of the electric cylinder in a sliding mode, the lower end of the movable rod penetrates through the bottom of the top plate and is located between the two stand columns, an installing head is welded to the lower end of the movable rod, a screw hole is formed in the center of the bottom of the installing head, a circle of circular groove is formed in the periphery of the bottom of the installing head, a left through circular hole and a right through circular hole are formed in the surface of the installing head, and the circular holes are communicated with the screw hole and the circular groove;

a punch is arranged below the mounting head, a threaded column is vertically welded in the center of the top of the punch, a circular ring is welded at the top of the punch, the threaded column is located on the inner side of the circular ring, holes are formed in the surface of the threaded column and the left side and the right side of the circular ring in a penetrating mode, and the three holes are located on the same horizontal line;

the mounting panel upper surface right-left side all opens flutedly, the recess is located the stand inboard, just the vertical fixation has the riser in the recess, extend the recess on the riser, just the vertical fixation has the spring in the riser, the spring upper end is fixed with the removal piece.

Preferably, the center of the surface of the mounting plate is provided with a through hole which penetrates up and down, and the through hole is positioned right below the punch.

Preferably, the stand inboard all opens the spout, the movable rod lower extreme left and right sides all is fixed with the gag lever post, the gag lever post end all is fixed with the slider, slider and spout sliding connection.

Preferably, the threaded post is screwed into the threaded hole so that the punch is connected with the mounting head, and the circular ring is embedded into the circular groove.

Preferably, the holes correspond to the round holes, bolts are inserted into the round holes, and the right ends of the bolts sequentially penetrate through the three holes and penetrate out of the right sides of the round holes.

Preferably, both ends all threaded connection has the nut about the bolt, two the nut contacts with the installation head left and right sides respectively.

Preferably, the lower side of the limiting rod is vertically fixed with vertical rods in one-to-one correspondence to the vertical pipes, and the distance from the lower end of each vertical rod to the upper surface of the mounting plate is smaller than the distance from the lower end of the punch to the upper surface of the mounting plate.

Compared with the prior art, the utility model has the beneficial effects that:

according to the punching assembly of the punching machine, the threaded column at the top of the punch is aligned with the screw hole at the bottom of the mounting head, the circular ring is automatically aligned with the circular groove, then the punch is rotated anticlockwise, when the threaded column is completely screwed into the screw hole, the hole on the surface of the threaded column and the holes on the left side and the right side of the circular ring are aligned with the circular hole, the bolt is inserted into the circular hole until the right end of the bolt penetrates out of the circular hole, then two nuts are respectively screwed into the left end and the right end of the bolt to limit the bolt, the installation process of the punch is simple, and a worker can conveniently install the punch at the bottom of the mounting head;

the arrangement of the bolt, the nut, the round hole and the hole ensures that the circular ring is locked in the circular groove, the threaded column is limited in the screw hole, the circular ring and the threaded column can be prevented from rotating in the mounting head, so that the connection between the punch and the mounting head is firmer, the design of the circular ring increases the contact area between the punch and the mounting head, and the stability of the punch and the mounting head is further enhanced;

the limiting rod, the sliding block and the sliding groove are matched for use, so that the movable rod can move more stably, and the phenomenon that the movable rod shakes due to the shock force generated during punching of the punch can be avoided;

because the distance that the montant lower extreme leaves the mounting panel upper surface is less than the distance that the drift lower extreme leaves the mounting panel upper surface, so before the drift contacts the work piece, the montant can stretch into the riser earlier, further control the gag lever post and remove in the vertical direction, be favorable to the drift to remove stably, thereby can make the drift punch a hole more accurately, when the drift punches a hole to the work piece, the montant lower extreme can continue to move down in the riser, and promote and remove piece compression spring, because the spring has elasticity, so can cushion the shock power of arriving on gag lever post and the montant.

Drawings

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

FIG. 2 is a schematic perspective view of a punch according to the present invention;

FIG. 3 is a schematic view of a portion of the structure of FIG. 1 according to the present invention.

The labels in the figure are: 1-mounting a plate; 2-a through hole; 3-upright column; 4-a chute; 5-a top plate; 6-electric cylinder; 7-a movable rod; 8-a limiting rod; 9-a slide block; 10-a punch; 11-a mounting head; 12-a screw hole; 13-circular groove; 14-a circular hole; 15-bolt; 16-a threaded post; 17-a circular ring; 18-holes; 19-a screw cap; 20-vertical rod; 21-a groove; 22-a riser; 23-a spring; 24-moving the sheet.

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 FIGS. 1-3, embodiments of the present invention are further illustrated;

a punching assembly of a punching machine comprises mounting plates 1, stand columns 3 and a top plate 5, wherein the two stand columns 3 are distributed in a left-right mode, the mounting plates 1 are fixed to the bottoms of the two stand columns 3, and the top plate 5 is fixed to the tops of the two stand columns 3;

an electric cylinder 6 is fixed at the top of the top plate 5, a movable rod 7 is connected to the lower end of the electric cylinder 6 in a sliding mode, the lower end of the movable rod 7 penetrates through the bottom of the top plate 5, the movable rod 7 is located between the two upright posts 3, an installing head 11 is welded to the lower end of the movable rod 7, a screw hole 12 is formed in the center of the bottom of the installing head 11, a circle of circular groove 13 is formed in the periphery of the bottom of the installing head 11, a left circular hole 14 and a right circular hole 14 which are communicated are formed in the surface of the installing head 11, and the circular hole 14 is communicated with the screw hole 12 and the circular groove 13;

a punch 10 is arranged below the mounting head 11, a threaded column 16 is vertically welded in the center of the top of the punch 10, a circular ring 17 is welded at the top of the punch 10, the threaded column 16 is located on the inner side of the circular ring 17, holes 18 are respectively communicated with the surface of the threaded column 16 and the left side and the right side of the circular ring 17, and the three holes 18 are located on the same horizontal line;

the threaded column 16 is screwed into the threaded hole 12 so that the punch 10 is connected with the mounting head 11, and the circular ring 17 is embedded into the circular groove 13;

the holes 18 correspond to the round holes 14, bolts 15 are inserted into the round holes 14, and the right ends of the bolts 15 sequentially penetrate through the three holes 18 and penetrate out of the right side of the round holes 14;

nuts 19 are respectively connected to the left end and the right end of the bolt 15 in a threaded manner, and the two nuts 19 are respectively contacted with the left side and the right side of the mounting head 11;

specifically, when a worker needs to install the punch 10 in the mounting head 11 at the bottom of the movable rod 7, the worker holds the upper portion of the punch 10, aligns the threaded post 16 at the top of the punch 10 with the threaded hole 12 at the bottom of the mounting head 11, automatically aligns the ring 17 with the circular groove 13, then rotates the punch 10 counterclockwise to screw the threaded post 16 into the threaded hole 12, screws the ring 17 into the circular groove 13, when the threaded post 16 is completely screwed into the threaded hole 12, aligns the hole 18 on the surface of the threaded post 16 and the holes 18 on the left and right sides of the ring 17 with the circular hole 14, inserts the bolt 15 from the left end of the circular hole 14, moves the bolt 15 to the right, sequentially passes through the three holes 18 at the right end of the bolt 15, finally passes through the right end of the circular hole 14, screws the two nuts 19 into the left and right ends of the bolt 15 respectively, enables the nuts 19 to be tightly attached to the outer wall of the mounting head 11 to limit the bolt 15, and has a simple installation process of the punch 10, the punch 10 is convenient for workers to install at the bottom of the installation head 11;

the arrangement of the bolt 15, the nut 19, the round hole 14 and the hole 18 ensures that the circular ring 17 is locked in the circular groove 13, the threaded column 16 is limited in the threaded hole 12, the circular ring 17 and the threaded column 16 can be prevented from rotating in the mounting head 11, the connection between the punch 10 and the mounting head 11 is firmer, the design of the circular ring 17 increases the contact area between the punch 10 and the mounting head 11, and the stability between the punch 10 and the mounting head 11 is further enhanced;

grooves 21 are formed in the left side and the right side of the upper surface of the mounting plate 1, the grooves 21 are located on the inner sides of the columns 3, stand pipes 22 are vertically fixed in the grooves 21, the grooves 21 extend out of the upper ends of the stand pipes 22, springs 23 are vertically fixed in the stand pipes 22, and moving pieces 24 are fixed at the upper ends of the springs 23;

the inner sides of the upright posts 3 are respectively provided with a sliding chute 4, the left side and the right side of the lower end of the movable rod 7 are respectively fixed with a limiting rod 8, the tail end of each limiting rod 8 is respectively fixed with a sliding block 9, and the sliding blocks 9 are in sliding connection with the sliding chutes 4;

vertical rods 20 which are in one-to-one correspondence with the vertical tubes 22 are vertically fixed on the lower sides of the limiting rods 8, and the distance from the lower ends of the vertical rods 20 to the upper surface of the mounting plate 1 is smaller than the distance from the lower ends of the punches 10 to the upper surface of the mounting plate 1;

specifically, when the electric cylinder 6 is powered on, the electric cylinder 6 can drive the movable rod 7 to move downwards, so that the mounting head 11 and the punch 10 can be driven to move downwards together, the punch 10 can punch a hole on a workpiece conveniently, the movable rod 7 can drive the limiting rod 8 to move in the moving process, the limiting rod 8 drives the sliding block 9 to slide in the sliding groove 4, the limiting rod 8, the sliding block 9 and the sliding groove 4 are matched for use, so that the movable rod 7 can move more stably, and meanwhile, the phenomenon that the movable rod 7 shakes due to the shock force generated when the punch 10 punches the hole can be avoided;

because the distance between the lower end of the vertical rod 20 and the upper surface of the mounting plate 1 is less than the distance between the lower end of the punch 10 and the upper surface of the mounting plate 1, before the punch 10 contacts a workpiece, the vertical rod 20 firstly extends into the vertical pipe 22, the limiting rod 8 is further controlled to move in the vertical direction, and the punch 10 is favorable for moving stably, so that the punch 10 can punch more accurately, when the punch 10 punches the workpiece, the lower end of the vertical rod 20 continuously moves downwards in the vertical pipe 22 and pushes the moving piece 24 to compress the spring 23, and the spring 23 has elasticity, so that the shock force applied to the limiting rod 8 and the vertical rod 20 can be buffered;

a through hole 2 which is through up and down is formed in the center of the surface of the mounting plate 1, and the through hole 2 is positioned right below the punch 10;

specifically, when the lower end of the punch 10 extends into the through hole 2, the workpiece can be completely penetrated, and the workpiece can be punched conveniently.

Claims

1. The utility model provides a punch press subassembly that punches a hole, includes mounting panel (1), stand (3) and roof (5), stand (3) are equipped with two and are about distributing, mounting panel (1) are fixed in two stand (3) bottom, roof (5) are fixed in two stand (3) top, its characterized in that:

an electric cylinder (6) is fixed at the top of the top plate (5), a movable rod (7) is connected to the lower end of the electric cylinder (6) in a sliding mode, the lower end of the movable rod (7) penetrates through the bottom of the top plate (5), the movable rod (7) is located between the two upright posts (3), an installing head (11) is welded to the lower end of the movable rod (7), a screw hole (12) is formed in the center of the bottom of the installing head (11), a circle of circular groove (13) is formed in the periphery of the bottom of the installing head (11), a circular hole (14) which is communicated left and right is formed in the surface of the installing head (11), and the circular hole (14) is communicated with the screw hole (12) and the circular groove (13);

a punch (10) is arranged below the mounting head (11), a threaded column (16) is vertically welded in the center of the top of the punch (10), a circular ring (17) is welded at the top of the punch (10), the threaded column (16) is located on the inner side of the circular ring (17), holes (18) are respectively communicated on the surface of the threaded column (16) and the left side and the right side of the circular ring (17), and the three holes (18) are located on the same horizontal line;

mounting panel (1) upper surface right-left side all is opened recess (21), recess (21) are located stand (3) inboardly, just the vertical fixation has riser (22) in recess (21), extend recess (21) on riser (22), just the vertical fixation has spring (23) in riser (22), spring (23) upper end is fixed with removal piece (24).

2. The punch press assembly of claim 1, wherein: the mounting plate is characterized in that a through hole (2) which is through up and down is formed in the center of the surface of the mounting plate (1), and the through hole (2) is located under the punch (10).

3. The punch press assembly of claim 1, wherein: stand (3) inboard has all opened spout (4), movable rod (7) lower extreme left and right sides all is fixed with gag lever post (8), gag lever post (8) end all is fixed with slider (9), slider (9) and spout (4) sliding connection.

4. The punch press assembly of claim 1, wherein: the threaded column (16) is screwed into the threaded hole (12) so that the punch (10) is connected with the mounting head (11), and the circular ring (17) is embedded into the circular groove (13).

5. The punch press assembly of claim 1, wherein: the hole (18) corresponds to the round hole (14), a bolt (15) is inserted into the round hole (14), and the right end of the bolt (15) sequentially penetrates through the three holes (18) and penetrates out of the right side of the round hole (14).

6. The punch press assembly of claim 5, wherein: both ends all threaded connection has nut (19) about bolt (15), two nut (19) contact with the installation head (11) left and right sides respectively.

7. A punch press punch assembly according to claim 3, wherein: the lower side of the limiting rod (8) is vertically fixed with vertical rods (20) corresponding to the vertical pipes (22) one to one, and the distance from the lower end of each vertical rod (20) to the upper surface of the mounting plate (1) is smaller than the distance from the lower end of the punch (10) to the upper surface of the mounting plate (1).