CN112296174A

CN112296174A - Fast blanking jig for punching valve block

Info

Publication number: CN112296174A
Application number: CN202011336402.0A
Authority: CN
Inventors: 于佳; 陈志国
Original assignee: Jiaxing Xinghuan Auto Parts Co ltd
Current assignee: Jiaxing Xinghuan Auto Parts Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-02-02
Anticipated expiration: 2040-11-25
Also published as: CN112296174B

Abstract

The invention discloses a blanking jig for quick valve plate punching, which comprises an upper die holder and a lower die holder, wherein a guide pillar is arranged between the upper die holder and the lower die holder, a base plate is arranged on the lower die holder, a supporting seat is arranged on the base plate, a blanking area is arranged on the supporting seat, a positioning pin protruding upwards is arranged in the center of the blanking area, a plurality of punched holes are arranged around the positioning pin corresponding to the blanking area and penetrate to the bottom surface of the lower die holder, a punch head is arranged on the upper die holder, a groove matched with the positioning pin is arranged on the punch head, and a punching needle matched with the punched holes is arranged on the punch head.

Description

Fast blanking jig for punching valve block

Technical Field

The invention belongs to the field of blanking jigs, and particularly relates to a blanking jig for rapid valve plate punching.

Background

The valve plate is an important part in the compressor and is an important part for ensuring the sealing performance of the compressor, the production raw material of the valve plate is coiled metal strip, and the valve plate with various types needs to be punched by matching a punching device and a punching die during production.

As shown in fig. 3 and 4, at present, a metal band is punched on a punching device to form a circular-ring-shaped blank of the valve sheet a, and then the valve sheet a is placed on a set of punching jig for punching to form the valve sheet B by punching through holes.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a punching die which can quickly position a valve plate blank, accelerate the punching and punching process, and has high product consistency and stable quality.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a quick formula valve block punches a hole and uses blanking tool, includes upper die base and die holder, is provided with the guide pillar between upper die base and the die holder, be provided with the backing plate on the die holder, be provided with the supporting seat on the backing plate, be provided with the blanking district on the supporting seat, the center in blanking district is provided with the convex locating pin that makes progress, be provided with a plurality of punches a hole around the corresponding locating pin in blanking district, the penetrating bottom surface to the die holder that punches a hole, be provided with the drift on the upper die base, be provided with on the drift with locating pin complex recess, be provided with on the drift and punch a hole the.

The outer side of the positioning pin is further gradually folded upwards by the supporting seat.

And the hole diameter of the punching hole is gradually increased from the blanking area to the bottom surface of the lower die holder.

Further the locating pin is spherical, and the volume of locating pin position in supporting seat top is less than the hemisphere.

The positioning pin is further conical.

The support seat is further provided with a feeding inclined plane, the feeding inclined plane extends to the blanking area from the side face of the support seat, and one side of the feeding inclined plane, corresponding to the blanking area, is higher than one side of the side face of the support seat.

Furthermore, a guide plate is arranged at the position, corresponding to the feeding inclined plane, of the supporting seat, and the guide plate is connected with the feeding inclined plane and the base plate.

Compared with the prior art, the invention has the beneficial effects that: the blanking area is provided with a positioning pin, so that the blank of the valve plate can be conveniently and effectively positioned, the valve plate blank can be conveniently put in and taken out when the positioning pin is spherical or conical, and the valve plate can be automatically guided when being put in, so that the valve plate is flatly attached to the supporting seat; through setting up the material loading inclined plane that extends to the blanking district, after a valve block punches a hole and accomplishes, the staff holds another valve block blank and pushes in along the material loading inclined plane, and its front end will be pushing up the valve block that has been in the blanking district to ejecting it with the trend, and the valve block blank then crosses the locating pin and falls on the blanking district and treat the blanking, can realize the unloading in the time of can realizing the material loading, and two processes are accomplished in one-step operation.

Drawings

Fig. 1 is a schematic perspective view of a blanking jig for rapid valve plate punching according to a first embodiment of the present invention;

FIG. 2 is a schematic perspective view of a blanking jig for rapid valve plate punching according to the present invention;

FIG. 3 is a schematic diagram of a first process for loading a valve plate according to the present invention;

FIG. 4 is a schematic diagram of a feeding process of a valve plate in the invention;

fig. 5 is a schematic perspective view of the support base and the backing plate with the guide plate according to the present invention.

Reference numerals: 1. an upper die holder; 2. a lower die holder; 3. a punch; 31. punching a needle; 32. a groove; 4. a base plate; 5. a supporting seat; 51. punching; 52. positioning pins; 53. a feeding inclined plane; 6. a valve plate; 61. a through hole; 7. a guide plate.

Detailed Description

Embodiments of the blanking jig for rapid valve sheet punching according to the present invention are further described with reference to fig. 1 to 5.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" or "a number" means two or more unless explicitly specified otherwise.

The utility model provides a quick formula valve block punches a hole and uses blanking tool, includes upper die base 1 and die holder 2, is provided with the guide pillar between upper die base 1 and the die holder 2, be provided with backing plate 4 on the die holder 2, be provided with supporting seat 5 on the backing plate 4, be provided with the blanking district on the supporting seat 5, the center in blanking district is provided with upwards convex locating pin 52, be provided with a plurality of punches a hole 51 around the corresponding locating pin 52 in blanking district, the penetrating bottom surface to die holder 2 of 51 punches a hole, be provided with drift 3 on the upper die base 1, be provided with on the drift 3 with locating pin 52 complex recess 32, be provided with on the drift 3 with the 51 complex towards needle 31 that punches a hole.

In the embodiment, a compression spring is preferably provided on the guide post, so that the upper die holder 1 and the lower die holder 2 are kept separated in a normal state, in the embodiment, an outer diameter of the positioning pin 52 corresponding to the upper surface of the support seat 5 is substantially the same as a central bore of a blank of the valve sheet 6 to be blanked, and generally, an outer diameter of the positioning pin 52 is slightly smaller.

The upper surface of the blanking region in this embodiment is flat, and preferably it is cylindrical in its entirety.

During blanking, the blank of the valve plate 6 to be blanked is placed on a blanking area of the supporting seat 5, the valve plate 6 is sleeved on the positioning pin 52, the valve plate 6 is directly positioned through the positioning pin 52, then the upper die base 1 drives the punch 3 to perform blanking downwards, the valve plate 6 is punched out of the through hole 61 through the cooperation of the punching needle 31 and the punching hole 51 to complete blanking, and the blanked waste is directly discharged below the punching hole 51.

In the preferred embodiment, the outer side of the positioning pin 52 is gradually folded upwards by the supporting seat 5, i.e. the top end of the positioning pin 52 has a small size, so that the valve plate 6 can be conveniently and smoothly sleeved in and taken out.

The punching hole 51 is preferably formed by gradually increasing the hole diameter of the blanking area towards the bottom surface of the lower die holder 2, and waste materials are directly discharged from the lower side through the punching hole 51 in the blanking process of the valve plate 6, so that the waste materials can be prevented from being clamped.

The positioning pin 52 is preferably spherical, and the volume of the positioning pin 52 above the supporting seat 5 is smaller than that of a hemisphere, as shown in fig. 3-5, the spherical positioning pin 52 is very convenient for the valve plate 6 to be inserted and separated.

The locating pin 52 in this embodiment may also be conical, but preferably is smooth and non-pointed at its tip.

In this embodiment, the supporting seat 5 is provided with a feeding inclined plane 53, the feeding inclined plane 53 extends from a side surface of the supporting seat 5 to the blanking area, and a side of the feeding inclined plane 53 corresponding to the blanking area is higher than a side of the supporting seat 5 corresponding to the side surface.

In the embodiment, the loading slant 53 does not intrude into the punched hole 51, and the position of the supporting seat 5 corresponding to the punched hole 51 is still a horizontal plane.

As shown in fig. 3, the valve plate 6 in the blanking area is mostly completely attached to the surface of the support base 5, and a portion of one side surface of the valve plate is suspended above the material loading inclined surface 53; after one valve plate 6 is punched, a porous valve plate 6B is formed, a worker holds the valve plate 6A to be punched in front of a punching jig (towards one side of the feeding inclined surface 53) by using tweezers or other fixtures, so that the valve plate 6A is pushed upwards along the arrow C direction by the feeding inclined surface 53, when the valve plate 6A reaches the top end of the feeding inclined surface 53, the valve plate 6A contacts the bottom surface of the valve plate 6B, and moves forwards continuously, the valve plate 6B is pushed away, so that the valve plate 6B is completely separated from the supporting seat 5 along the arrow D direction, then the valve plate 6A is smoothly sleeved on the positioning pin 52, the feeding of the valve plate 6A is completed, the blanking process of the valve plate 6B is completed, the state is shown in fig. 4, the upper die holder 1 descends again for punching, and the process is repeated in this way, and the rapid blanking process of the valve plate 6 can.

The supporting seat 5 that this embodiment is preferred corresponds material loading inclined plane 53 department and is provided with deflector 7, deflector 7 connects material loading inclined plane 53 and backing plate 4, and deflector 7 increases the length of whole material loading inclined plane 53 to make things convenient for staff's operation, can make the staff hold the more smooth by material loading inclined plane 53 leading-in to the blanking district above supporting seat 5 in.

In this embodiment, an exhaust fan can be arranged below the lower die holder 2 to connect the lower end of the punched hole 51, and the exhaust fan can adsorb the valve plate 6, so that the valve plate 6 is more smoothly located on the surface of the blanking area, and the valve plate 6 cannot be additionally adsorbed after blanking, and waste generated by blanking can be rapidly absorbed.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a quick formula valve block punches a hole and uses blanking tool, includes upper die base and die holder, is provided with guide pillar, its characterized in that between upper die base and the die holder: the punching die is characterized in that a base plate is arranged on the lower die base, a supporting seat is arranged on the base plate, a punching area is arranged on the supporting seat, an upward convex positioning pin is arranged at the center of the punching area, a plurality of punched holes are formed in the periphery of the corresponding positioning pin in the punching area, the punched holes penetrate to the bottom surface of the lower die base, a punch is arranged on the upper die base, a groove matched with the positioning pin is formed in the punch, and a punching needle matched with the punched holes is arranged on the punch.

2. The quick blanking jig for valve plate punching of claim 1, characterized in that: the outer side of the positioning pin is gradually folded upwards by the supporting seat.

3. The quick blanking jig for valve plate punching of claim 2, characterized in that: the hole diameter of the punched hole is gradually increased from the blanking area to the bottom surface of the lower die holder.

4. The quick blanking jig for valve plate punching of claim 2, characterized in that: the locating pin is the sphere form, the volume that the locating pin is located the supporting seat top is less than the hemisphere.

5. The quick blanking jig for valve plate punching of claim 2, characterized in that: the positioning pin is conical.

6. The quick type blanking jig for valve plate punching according to claim 4 or 5, characterized in that: the support seat is provided with a feeding inclined plane, the feeding inclined plane extends to the blanking area from the side face of the support seat, and one side of the feeding inclined plane, corresponding to the blanking area, is higher than one side of the side face of the support seat.

7. The quick blanking jig for valve plate punching of claim 6, characterized in that: the supporting seat is provided with a guide plate corresponding to the feeding inclined plane, and the guide plate is connected with the feeding inclined plane and the base plate.