CN212238840U

CN212238840U - Punching die

Info

Publication number: CN212238840U
Application number: CN202020469063.2U
Authority: CN
Inventors: 徐宙青
Original assignee: Chongqing Yingheng Electromechanical Manufacturing Co ltd
Current assignee: Chongqing Yingheng Electromechanical Manufacturing Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-12-29
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a punching die, including die holder, bed die, upper die base and last mould, it compresses tightly module fixed mounting in the bottom center department of upper die base through an installation piece and four groups to go up the mould, bed die fixed mounting is in the center department of die holder, the left and right sides of bed die is fixed mounting one side locating piece respectively, the rear end is connected with a back locating piece on the bed die, install clamping mechanism on the locating piece of right side, keep sliding connection through two guide pillars between upper die base and the die holder, the drift is installed to upper die base and upper die center department, the hole that corresponds with the drift is seted up in the center department of bed die, the hourglass silo has still been seted up on the die holder. The punching die can be used for quickly positioning and clamping a sheet-shaped workpiece, and the machining efficiency is improved.

Description

Punching die

Technical Field

The utility model relates to a mould field specifically says to a cut-out press.

Background

The punching die is used for separating various plate materials or blanks with different specifications by applying pressure to the plate materials or blanks by using the die and punching equipment to obtain parts with certain shapes, sizes and performances.

The punching die is common in the die and more, the punching die is mainly used for punching holes on parts according to actual use requirements after the parts are produced and finished, so that the subsequent installation process is facilitated, the punching die is high in quality and precision and corresponding part quality, the positioning in the traditional positioning mode is often inaccurate, the punching regularity of general workpieces is very strong, the shapes and sizes of the workpieces are the same, and in production, in order to improve the punching quality and efficiency of the workpieces, the positioning is urgently needed to be accurate, and the punching die is rapid in clamping.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned not enough, the utility model provides a cut-out press here, this cut-out press can be before punching a hole with the stable centre gripping of work piece in the bed die, effectively improve the quality of punching a hole, when getting the put work piece, the telescopic link that only needs pulling one side can get the put work piece simultaneously, can realize the location accuracy, press from both sides tightly rapidly.

The utility model discloses a realized like this, construct a punching die, including lower die holder, bed die, upper die base and upper die, the said upper die is fixedly mounted in the bottom center of the upper die base through a mounting block and four groups of pressing modules, the said bed die is fixedly mounted in the center of the lower die holder, the said left and right sides of bed die are fixedly mounted with a side locating piece respectively, the upper rear end of bed die is connected with a back locating piece;

a clamping mechanism is installed on the right positioning block, the upper die holder and the lower die holder are in sliding connection through two guide pillars, and punches are installed at the centers of the upper die holder and the upper die;

the center of the lower die is provided with a hole corresponding to the punch, and the lower die base is also provided with a material leaking groove.

Furthermore, compress tightly the module and constitute by telescopic link and spring, the spring is fixed connection respectively between last mould and installation piece, set up the round hole that corresponds with the telescopic link on the installation piece, telescopic link one end and last mould keep fixed connection, and the other end keeps sliding connection in inserting the round hole of installation piece.

Furthermore, the four groups of pressing modules are arranged on four corners corresponding to the mounting block and the upper die.

Furthermore, the side locating piece is higher than the lower die, two strip-shaped holes are formed in the corresponding side of the part, higher than the lower die, of the side locating piece, and the rear locating piece is connected to the locating pieces on the two sides through bolts.

Furthermore, the cross section of the rear positioning block is a rectangle with an opening at one end, and round holes corresponding to the bolt connection are formed in the two corresponding side ends of the rear positioning block.

Furthermore, a round hole is formed in the part, higher than the lower die, of the right positioning block, and a clamping mechanism is installed in the round hole.

Further, the clamping mechanism comprises a clamping plate, a spring and a stretching rod;

the stretching rod is divided into a handheld part and a sliding part, the handheld part is placed at the outer end, and the sliding part penetrates through a round hole formed in the right positioning block and is suspended on the lower die;

the end part of the handheld part is fixedly arranged at the center of the clamping plate, and the clamping plate is arranged in parallel with the side positioning block;

the two springs are respectively arranged on two sides of the handheld part of the stretching rod and fixed between the clamping plate and the right positioning block.

The utility model discloses following beneficial effect has:

the utility model discloses structural design is simple, and convenient to use, this mould can stabilize the centre gripping with the work piece in the bed die before punching a hole when using, effectively improve the quality that punches a hole, when getting the put work piece, the telescopic link that only needs pulling one side simultaneously can get the put work piece, can realize the location accuracy, press from both sides tightly rapidly.

The utility model discloses in, through the installation piece that the mould upper end is connected on reasonable design and compress tightly the module and can compress tightly the plate in the twinkling of an eye before punching a hole, prevent the plate drunkenness, influence the quality of punching a hole.

The position of the rear positioning block can be adjusted according to the machining position of the workpiece by reasonably designing the connection form of the rear positioning block, so that the machining is facilitated.

The clamping mechanism arranged on the side positioning block is reasonably designed to clamp the workpiece, so that punching is facilitated.

The spring and the stretching rod of the clamping mechanism can be reasonably designed to realize rapid clamping.

Drawings

Fig. 1 and 2 are schematic structural views of the present invention;

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

fig. 4 is a side view of the present invention;

fig. 5 is a rear view of the present invention;

in the figure: 1. a lower die holder; 2. a material leaking groove; 3. a lower die; 4. a guide post; 5. an upper die holder; 6. mounting blocks; 7. a punch; 8. a compression module; 9. an upper die; 10. a rear positioning block; 11. a side positioning block; 12. a clamping plate; 13. a spring; 14. and (4) stretching the rod.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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.

The utility model discloses an improve and provide a cut-out press here, can implement according to following mode: a punching die comprises a lower die holder 1, a lower die 3, an upper die holder 5 and an upper die 9, wherein the upper die 9 is fixedly arranged at the center of the bottom of the upper die holder 5 through a mounting block 6 and four groups of compression modules 8, the lower die 3 is fixedly arranged at the center of the lower die holder 1, one side positioning block 11 is fixedly arranged at each of the left side and the right side of the lower die 3, and the rear end of the upper part of the lower die 3 is connected with a rear positioning block 10;

a clamping mechanism is installed on the right positioning block 11, the upper die holder 5 and the lower die holder 1 are in sliding connection through two guide pillars 4, and a punch 7 is installed at the center of the upper die holder 5 and the center of the upper die 9;

the center of the lower die 3 is provided with a hole corresponding to the punch 7, and the lower die holder 1 is also provided with a material leaking groove 2.

In this embodiment, the pressing module 8 is composed of a telescopic rod and a spring, the spring is respectively and fixedly connected between the upper mold 9 and the mounting block 6, a round hole corresponding to the telescopic rod is formed in the mounting block 6, one end of the telescopic rod is fixedly connected with the upper mold 9, and the other end of the telescopic rod is inserted into the round hole of the mounting block 6 to be connected in a sliding manner.

In the present embodiment, the four sets of pressing modules 8 are mounted on four corners of the mounting block 6 and the upper mold 9.

In this embodiment, the side positioning blocks 11 are higher than the lower mold 3, two strip-shaped holes are opened on the corresponding sides of the portions of the side positioning blocks 11 higher than the lower mold 3, and the rear positioning blocks 10 are connected to the positioning blocks 11 on the two sides through bolts.

In this embodiment, the cross section of the rear positioning block 10 is a rectangle with an open end, and round holes corresponding to the bolt connection are formed at two corresponding side ends of the rear positioning block 10.

In this embodiment, a circular hole is further formed in a portion of the right positioning block 11 higher than the lower mold 3, and a clamping mechanism is installed in the circular hole.

In the present embodiment, the clamping mechanism includes a clamping plate 12, a spring 13, and a stretching rod 14;

the stretching rod 14 is divided into a handheld part and a sliding part, the handheld part is placed at the outer end, and the sliding part passes through a round hole formed in the right positioning block 11 and is suspended on the lower die 3;

the end part of the hand-held part is fixedly arranged at the center of a clamping plate 12, and the clamping plate 12 is arranged in parallel with a side positioning block 11;

the two springs 13 are respectively arranged at two sides of the hand-held part of the stretching rod 14 and fixed between the clamping plate 12 and the right positioning block 11.

When the punching die is used, the position of the rear positioning block 10 is adjusted according to the machining position of a plate, after the adjustment is completed, a worker pulls the stretching rod 14 by a right hand to pull the clamping plate 12 to the right, the plate is placed on the lower die 3 by a left hand to be in contact with the rear positioning block 10, after the plate is placed, the left hand is retracted and the stretching rod 14 is loosened, and the clamping plate 12 rebounds under the action of the spring 13 to clamp the plate.

Then, the punching equipment above is started to drive the upper die holder 5 to descend, an upper die 9 on the upper die holder 5 is firstly contacted with the plate, the plate is pressed under the action of the pressing module 8, finally, the punch 7 punches out the plate to punch out a through hole, and punched waste is discharged from the material leakage groove 2 of the lower die holder 1 to complete punching.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A punching die comprises a lower die holder (1), a lower die (3), an upper die holder (5) and an upper die (9), and is characterized in that the upper die (9) is fixedly arranged at the center of the bottom of the upper die holder (5) through a mounting block (6) and four groups of pressing modules (8), the lower die (3) is fixedly arranged at the center of the lower die holder (1), the left side and the right side of the lower die (3) are respectively and fixedly provided with a side positioning block (11), and the upper rear end of the lower die (3) is connected with a rear positioning block (10);

a clamping mechanism is installed on the right positioning block (11), the upper die holder (5) and the lower die holder (1) are in sliding connection through two guide pillars (4), and a punch (7) is installed at the centers of the upper die holder (5) and the upper die (9);

the center of the lower die (3) is provided with a hole corresponding to the punch (7), and the lower die holder (1) is also provided with a material leaking groove (2).

2. The punching die according to claim 1, wherein the compression module (8) comprises a telescopic rod and a spring, the spring is fixedly connected between the upper die (9) and the mounting block (6), a round hole corresponding to the telescopic rod is formed in the mounting block (6), one end of the telescopic rod is fixedly connected with the upper die (9), and the other end of the telescopic rod is inserted into the round hole of the mounting block (6) to be slidably connected.

3. A punching die according to claim 1 or 2, characterized in that the four sets of pressing modules (8) are mounted at the corresponding four corners of the mounting block (6) and the upper die (9).

4. The punching die according to claim 1, wherein the side positioning blocks (11) are higher than the lower die (3), two strip-shaped holes are formed in the corresponding sides of the parts of the side positioning blocks (11) higher than the lower die (3), and the rear positioning blocks (10) are connected to the positioning blocks (11) on the two sides through bolts.

5. The punching die according to claim 1 or 4, wherein the rear positioning block (10) has a rectangular cross section with an open end, and round holes corresponding to the bolt connection are formed at the corresponding two side ends of the rear positioning block (10).

6. The punching die according to claim 1, wherein a circular hole is further formed in a part of the right positioning block (11) higher than the lower die (3), and a clamping mechanism is mounted in the circular hole.

7. The punching die according to claim 1 or 6, wherein the clamping mechanism comprises a clamping plate (12), a spring (13) and a stretching rod (14);

the stretching rod (14) is divided into a handheld part and a sliding part, the handheld part is placed at the outer end, and the sliding part penetrates through a round hole formed in the right positioning block (11) and is suspended on the lower die (3);

the end part of the handheld part is fixedly arranged at the center of a clamping plate (12), and the clamping plate (12) and the side positioning block (11) are arranged in parallel;

the two springs (13) are respectively arranged on two sides of the handheld part of the stretching rod (14) and fixed between the clamping plate (12) and the right positioning block (11).