CN216027438U

CN216027438U - Upper and lower template of blanking and punching compound die

Info

Publication number: CN216027438U
Application number: CN202121171063.5U
Authority: CN
Inventors: 万修国; 田娟
Original assignee: Qingdao Huayida Technology Co ltd
Current assignee: Qingdao Huayida Technology Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-03-15
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses an upper die plate and a lower die plate of a blanking and punching compound die, which comprise a lower die and an upper die, wherein the upper end of the lower die is fixedly connected with two limiting rods which are symmetrically arranged, two limiting holes matched with the limiting rods are formed in the upper die, the two limiting rods respectively penetrate through the limiting holes on the same side and are in sliding connection with the limiting holes, the upper end surface of the lower die is provided with a groove, a supporting plate is arranged in the groove, the upper end surface of the supporting plate is provided with a punching groove, an ejecting mechanism used for ejecting waste materials is arranged in the punching groove, and the bottom of the groove is provided with a buffer mechanism used for buffering the supporting plate. The punching mechanism is reasonable in structure, the workpiece is effectively limited by the limiting mechanism, the workpiece is prevented from being deviated in the punching process, the punching precision is prevented from being influenced, the waste in the punching groove is popped up by the popping mechanism, and the situation that the punching groove is blocked by the waste and the next punching is influenced is avoided.

Description

Upper and lower template of blanking and punching compound die

Technical Field

The utility model relates to the technical field of punching dies, in particular to an upper die plate and a lower die plate of a blanking and punching compound die.

Background

The mould is a tool for manufacturing formed articles, the tool is composed of various parts, different moulds are composed of different parts, and a punching mould is one of the most common moulds in the field of numerical control machines.

In the prior art, the traditional working mode of the punching die is that a workpiece needing to be machined is often directly placed on the lower die, and the workpiece on the lower die is punched through pressing the upper die, but the mode has the big defect that the position of the workpiece is not positioned, so that the workpiece is easy to deviate when punched, the precision is influenced, and meanwhile, the punched waste material is blocked and is difficult to take out in a punching groove, and the next punching is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an upper and lower template of a blanking and punching compound die, which realizes effective limiting of a workpiece by arranging a limiting mechanism, avoids deviation of the workpiece in a punching process and influence on punching precision, realizes ejection of waste in a punching groove by arranging an ejecting mechanism, and avoids the influence on next punching caused by the blockage of the punching groove by the waste.

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

the upper die plate and the lower die plate of the blanking and punching compound die comprise a lower die and an upper die, wherein two limiting rods which are symmetrically arranged are fixedly connected to the upper end of the lower die, two limiting holes matched with the limiting rods are formed in the upper die, the two limiting rods respectively penetrate through the limiting holes on the same side and are in sliding connection with the limiting holes, a groove is formed in the upper end face of the lower die, a supporting plate is arranged in the groove, a punching groove is formed in the upper end face of the supporting plate, an ejecting mechanism used for ejecting waste materials is arranged in the punching groove, a buffering mechanism used for buffering the supporting plate is arranged at the bottom of the groove, two sliding grooves are formed in the bottom of the groove, and limiting mechanisms used for limiting workpieces are arranged in the two sliding grooves.

Preferably, the ejection mechanism comprises a moving plate which is slidably connected in the punching groove, and the lower end of the moving plate is elastically connected with the bottom of the punching groove through two third springs which are symmetrically arranged.

Preferably, buffer gear includes the telescopic link of fixed connection in the recess bottom, the telescopic link fixed connection of telescopic link is at the lower extreme of layer board, the lower extreme of layer board and the bottom of recess are through the second spring elastic connection that two symmetries set up.

Preferably, stop gear includes the slider of sliding connection in the spout, the upper end fixedly connected with trapezoidal piece of slider, through first spring elastic connection between the lateral wall of slider and the lateral wall of spout, the lower extreme fixedly connected with of going up the mould two with trapezoidal piece matched with montants.

Preferably, the lower end of the upper die is provided with a punching head, and the punching head is matched with the punching groove and is in the same vertical direction.

Preferably, two the equal fixedly connected with stopper of one end that the gag lever post is located on the mould.

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

1. through setting up stop gear, the in-process that the bed die moved down drives two montants and moves down, and when contacting the inclined plane on the trapezoidal piece, two trapezoidal pieces draw close to the centre to the realization carries out effectual spacing to the work piece, avoids punching a hole in-process work piece emergence skew, influences the precision of punching a hole.

2. Through setting up pop-up mechanism, the punch head extrudees the movable plate and makes the movable plate shrink to the inslot that punches a hole when punching a hole, and the back of punching a hole is accomplished, under the effect of third spring, makes the movable plate kick-back to the inslot that punches a hole outside, realizes popping out the waste material in the inslot that punches a hole, avoids the waste material to block up the groove that punches a hole, influences punching a hole next time.

Drawings

FIG. 1 is a schematic structural diagram of an upper and a lower die plates of a blanking-punching compound die provided by the utility model;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a top view of an upper mold of an upper and a lower mold plates of the blanking-punching compound mold provided by the utility model.

In the figure: the punching die comprises a lower die 1, an upper die 2, a limiting rod 3, a vertical rod 4, a punching head 5, a groove 6, a sliding groove 7, a trapezoidal block 8, a sliding block 9, a telescopic rod 10, a limiting block 11, a first spring 12, a supporting plate 13, a second spring 14, a limiting hole 15, a moving plate 16, a punching groove 17 and a third spring 18.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar tables are used herein for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-3, an upper and lower die plate of a blanking and punching compound die comprises a lower die 1 and an upper die 2, wherein a punching head 5 is arranged at the lower end of the upper die 2, the punching head 5 is matched with a punching groove 17 and is positioned in the same vertical direction, two limiting rods 3 which are symmetrically arranged are fixedly connected at the upper end of the lower die 1, one ends of the two limiting rods 3, which are positioned on the upper die 2, are fixedly connected with limiting blocks 11, two limiting holes 15 which are matched with the limiting rods 3 are arranged in the upper die 2, the two limiting rods 3 respectively penetrate through the limiting holes 15 at the same side and are in sliding connection with the limiting holes, a groove 6 is arranged on the upper end surface of the lower die 1, a supporting plate 13 is arranged in the groove 6, the punching groove 17 is arranged on the upper end surface of the supporting plate 13, an ejecting mechanism for ejecting waste materials is arranged in the punching groove 17, and a buffer mechanism for buffering the supporting plate 13 is arranged at the bottom of the groove 6, two chutes 7 are formed in the bottom of the groove 6, and limiting mechanisms used for limiting workpieces are arranged in the two chutes 7.

The ejection mechanism comprises a moving plate 16 which is connected in the punching groove 17 in a sliding mode, and the lower end of the moving plate 16 is elastically connected with the bottom of the punching groove 17 through two third springs 18 which are symmetrically arranged.

Buffer gear includes telescopic link 10 of fixed connection in recess 6 bottoms, and telescopic link 10's telescopic end fixed connection is at the lower extreme of layer board 13, and the second spring 14 elastic connection that two symmetries set up is passed through to the lower extreme of layer board 13 and recess 6's bottom.

Stop gear includes slider 9 of sliding connection in spout 7, and the upper end fixedly connected with trapezoidal piece 8 of slider 9 goes up two and trapezoidal piece 8 matched with montant 4 of lower extreme fixedly connected with of mould 2 through first spring 12 elastic connection between the lateral wall of slider 9 and the lateral wall of spout 7.

When the utility model is used, the external driving source is used for making the upper die 2 move downwards when punching, the upper die 2 drives the two vertical rods 4 to move downwards when moving downwards, when the lower end of the vertical rod 4 contacts the inclined surface on the trapezoidal block 8, the two trapezoidal blocks 8 are close to the middle under the continuous extrusion of the vertical rod 4, thereby realizing effective limiting of the workpiece, avoiding the workpiece from deviating in the punching process to influence the punching precision, when the vertical rod 4 moves to the lowest end of the inclined plane, the two trapezoidal blocks 8 stop moving, the upper die 2 is continuously pressed downwards, the punching head 5 moves downwards, the punching head 5 extrudes the moving plate 16, the moving plate 16 is contracted into the punching groove 17, after punching is finished, under the action of the third spring 18, the moving plate 16 rebounds to the outside of the punching groove 17, so that waste in the punching groove 17 is popped up, and the situation that the punching groove 17 is blocked by the waste to influence the next punching is avoided.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An upper and lower template of a blanking and punching compound die comprises a lower die (1) and an upper die (2), and is characterized in that the upper end of the lower die (1) is fixedly connected with two limiting rods (3) which are symmetrically arranged, two limiting holes (15) matched with the limiting rods (3) are formed in the upper die (2), the two limiting rods (3) respectively penetrate through the limiting holes (15) on the same side and are in sliding connection with the limiting rods, a groove (6) is formed in the upper end face of the lower die (1), a supporting plate (13) is arranged in the groove (6), a punching groove (17) is formed in the upper end face of the supporting plate (13), an ejecting mechanism for ejecting waste materials is arranged in the punching groove (17), a buffer mechanism for buffering the supporting plate (13) is arranged at the bottom of the groove (6), two sliding grooves (7) are formed at the bottom of the groove (6), and two limiting mechanisms used for limiting the workpiece are arranged in the sliding grooves (7).

2. The upper and lower die plates of the blanking-punching compound die as claimed in claim 1, wherein the ejecting mechanism comprises a moving plate (16) slidably connected in the punching slot (17), and the lower end of the moving plate (16) is elastically connected with the bottom of the punching slot (17) through two symmetrically arranged third springs (18).

3. The upper and lower die plates of the blanking-punching compound die are characterized in that the buffer mechanism comprises a telescopic rod (10) fixedly connected to the bottom of the groove (6), the telescopic rod (10) is fixedly connected to the lower end of a supporting plate (13), and the lower end of the supporting plate (13) is elastically connected with the bottom of the groove (6) through two second springs (14) which are symmetrically arranged.

4. The upper and lower die plates of the blanking and punching compound die according to claim 3, wherein the limiting mechanism comprises a slide block (9) slidably connected in a chute (7), a trapezoidal block (8) is fixedly connected to the upper end of the slide block (9), the side wall of the slide block (9) is elastically connected with the side wall of the chute (7) through a first spring (12), and two vertical rods (4) matched with the trapezoidal block (8) are fixedly connected to the lower end of the upper die (2).

5. The upper and lower templates of the blanking-punching compound die according to claim 4, wherein the lower end of the upper die (2) is provided with a punching head (5), and the punching head (5) is matched with the punching groove (17) and is in the same vertical direction.

6. The upper and lower die plates of the blanking-punching compound die according to claim 5, wherein the two limiting rods (3) are fixedly connected with limiting blocks (11) at one ends of the upper die (2).