CN217141918U

CN217141918U - Trimming and punching special die

Info

Publication number: CN217141918U
Application number: CN202221027699.7U
Authority: CN
Inventors: 王企龙
Original assignee: Hangzhou Yicheng Technology Co ltd
Current assignee: Hangzhou Yicheng Technology Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-09
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a deburring special mould that punches a hole belongs to mould technical field, including the bottom plate, its characterized in that: the utility model discloses a bottom plate upper portion intermediate position sets up first die holder, first die holder upper portion sets up first die, the bottom plate surface sets up the guide pillar, the guide pillar top sets up the fixed plate, fixed plate upper portion sets up first hydro-cylinder, the fixed plate below sets up first clamp plate, the output and the first clamp plate fixed connection of first hydro-cylinder, first clamp plate lower part sets up first punching plate, first punching plate lower part sets up the spring, first punching plate below sets up the second clamp plate, the spring both ends respectively with first punching plate, second clamp plate fixed connection, first punching plate lower part sets up the hole flanging and dashes the needle, the hole flanging is towards the needle and is run through the second clamp plate, the utility model discloses both improve machining efficiency, avoided again to shift the not enough or even the condemned condition of work piece of machining precision that the work piece probably leads to between two sets of moulds, guaranteed processingquality simultaneously effectively.

Description

Trimming and punching special die

Technical Field

The utility model relates to the technical field of mold, specifically a deburring special mould that punches a hole.

Background

In the processing process of metal products, such as deep drawing trays, trimming and punching of products are often involved, trimming and punching are regarded as two processes in the existing processing process and are respectively completed by using corresponding trimming dies and punching dies, so that the deep drawing trays need to be transferred between two groups of dies, the time consumption is longer, the situation that the placement position of a workpiece is inaccurate in the transferring process can occur, the processing precision of the next process is insufficient, even the workpiece is scrapped, on the basis of the situation, how to complete the trimming and punching processes in a shorter time is realized, the processing efficiency is improved, meanwhile, the workpiece is ensured to be stably positioned at the processing position all the time in the processing process, the processing quality is ensured, and the problem which needs to be solved by related technical personnel is more and more.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a deburring special mould that punches a hole.

The utility model provides a deburring special mould that punches a hole, includes the bottom plate, its characterized in that: the stamping die comprises a base plate and is characterized in that a first die holder is arranged in the middle of the upper portion of the base plate, a first die is arranged on the upper portion of the first die holder, a guide pillar is arranged on the surface of the base plate, a fixing plate is arranged on the top of the guide pillar, a first oil cylinder is arranged on the upper portion of the fixing plate, a first pressing plate is arranged below the fixing plate, the output end of the first oil cylinder is fixedly connected with the first pressing plate, a first stamping plate is arranged on the lower portion of the first pressing plate, a spring is arranged on the lower portion of the first stamping plate, a second pressing plate is arranged below the first stamping plate, two ends of the spring are fixedly connected with the first stamping plate and the second pressing plate respectively, a hole flanging stamping needle is arranged on the lower portion of the first stamping plate, and the hole flanging stamping needle penetrates through the second pressing plate.

Furthermore, a second die holder is arranged on one side of the first die holder on the upper portion of the bottom plate, second dies are symmetrically arranged on two sides of the second die holder, second oil cylinders are symmetrically arranged on two sides of the second die holder on the upper portion of the bottom plate, a second punching plate is arranged on one side, close to the second die holder, of the second oil cylinder, and a punching head is arranged on one side, close to the second die holder, of the second punching plate.

Furthermore, a punching groove is formed in the surface of the second female die in a penetrating mode, a limiting block is arranged on the surface of the second female die holder and corresponds to the punching groove, and the cross sections of the punching groove, the limiting block and the punch are the same in shape.

Furthermore, an insert is arranged on the upper portion of the first concave die and is inserted into the first concave die.

Furthermore, positioning plates are symmetrically arranged on two sides of the first female die holder, and positioning protrusions are arranged on the upper portions of the positioning plates.

Furthermore, a positioning seat is arranged on one side, close to the hole flanging punching pin, of the upper portion of the bottom plate.

Further, a base plate is arranged between the first pressing plate and the first punching plate, and the base plate is fixedly connected with the first pressing plate and the first punching plate.

Furthermore, a guide sleeve is arranged at a position of the first pressing plate corresponding to the guide pillar, and the guide sleeve is connected with the guide pillar in a sliding manner.

The utility model discloses a deburring special mould that punches a hole's beneficial effect does:

1. the working personnel only need to start the first oil cylinder and the second oil cylinder, and then two procedures of trimming and punching can be completed on the special die set, so that the processing efficiency is improved, and the condition that the processing precision is insufficient or even the workpiece is scrapped possibly caused by transferring the workpiece between the two sets of dies is avoided;

2. the first female die, the mold insert, the positioning plate, the positioning seat and the limiting block enable the workpiece to be always stably positioned at a processing position in the processing process, the stability of the workpiece is effectively guaranteed, the second pressing plate further guarantees the stability of the workpiece through pressing the workpiece, the spring, namely the cushion plate, effectively buffers impact force, and the guide sleeve is in sliding connection with the guide pillar, so that the stability of downward movement of the hole flanging punch pin is effectively guaranteed, and the static and dynamic dual guarantee effectively guarantees the processing quality.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the protection scope of the present invention is not limited thereto.

Fig. 1 is a schematic structural view of a special trimming and punching die of the present invention;

fig. 2 is a schematic view of a top view structure of the trimming and punching die of the present invention;

fig. 3 is a schematic structural view of a first punching plate of the trimming and punching special die of the present invention;

fig. 4 is a schematic structural view of a first female die of the trimming and punching special die of the present invention;

fig. 5 is a schematic structural view of a second female die holder of the trimming and punching die of the present invention;

fig. 6 is a schematic structural view of a second female die of the trimming and punching special die of the present invention;

the punching die comprises a first oil cylinder 1, a first fixing plate 2, a guide pillar 3, a guide sleeve 4, a first punching plate 5, a hole flanging punching pin 6, a bottom plate 7, a positioning seat 8, a first female die 9, a first female die holder 10, a positioning plate 11, a second female die 12, a second pressing plate 13, a spring 14, a backing plate 15, a first pressing plate 16, a second oil cylinder 17, a second punching plate 18, a punch 19, a second female die holder 20, an insert 21, a limiting block 22 and a punching groove 23.

Detailed Description

For the sake of clarity, the special trimming and punching die of the present invention is further described with reference to fig. 1 to fig. 6 of the drawings attached to the specification.

The utility model provides a deburring special mould that punches a hole, includes bottom plate 7, its characterized in that: the stamping die comprises a base plate 7, and is characterized in that a first die holder 10 is arranged in the middle of the upper portion of the base plate 7, a first die 9 is arranged on the upper portion of the first die holder 10, a guide pillar 3 is arranged on the surface of the base plate 7, a fixing plate 2 is arranged on the top of the guide pillar 3, a first oil cylinder 1 is arranged on the upper portion of the fixing plate 2, a first pressing plate 16 is arranged below the fixing plate 2, the output end of the first oil cylinder 1 is fixedly connected with the first pressing plate 16, a first stamping plate 5 is arranged on the lower portion of the first pressing plate 16, a spring 14 is arranged on the lower portion of the first stamping plate 5, a second pressing plate 13 is arranged below the first stamping plate 5, two ends of the spring 14 are fixedly connected with the first stamping plate 5 and the second pressing plate 13 respectively, a hole-flanging stamping needle 6 is arranged on the lower portion of the first stamping plate 5, and the hole-flanging stamping needle 6 penetrates through the second pressing plate 13.

Further, a second die holder 20 is arranged on one side of the first die holder 10 on the upper portion of the bottom plate 7, second dies 12 are symmetrically arranged on two sides of the second die holder 20, second oil cylinders 17 are symmetrically arranged on two sides of the second die holder 20 on the upper portion of the bottom plate 7, a second punching plate 18 is arranged on one side, close to the second die holder 20, of the second oil cylinder 17, and a punching head 19 is arranged on one side, close to the second die holder 20, of the second punching plate 18.

Further, a punching groove 23 penetrates through the surface of the second female die 12, a limiting block 22 is arranged on the surface of the second female die holder 20 corresponding to the punching groove 23, and the cross-sectional shapes of the punching groove 23, the limiting block 22 and the punch 19 are the same.

Further, an insert 21 is arranged on the upper portion of the first concave die 9, and the insert 21 is inserted into the first concave die 9.

Furthermore, positioning plates 11 are symmetrically arranged on two sides of the first die holder 10, and positioning protrusions are arranged on the upper portions of the positioning plates 11.

Furthermore, a positioning seat 8 is arranged on one side of the upper part of the bottom plate 7, which is close to the hole flanging punching pin 6.

Further, a backing plate 15 is arranged between the first pressing plate 16 and the first punching plate 5, and the backing plate 15 is fixedly connected with the first pressing plate 16 and the first punching plate 5.

Further, a guide sleeve 4 is arranged at a position of the first pressing plate 16 corresponding to the guide post 3, and the guide sleeve 4 is connected with the guide post 3 in a sliding manner.

The utility model discloses a deburring special mould that punches a hole's theory of operation does: selecting a matched insert 21, inserting the insert 21 at a corresponding position of a first female die 9, placing a workpiece to be machined on the upper surface of the insert 21, ensuring that the workpiece is stably positioned by a positioning seat 8, a positioning plate 11 and a limiting block 22, starting a first oil cylinder 1, pushing a first pressing plate 16 to vertically move downwards by an output end of the first oil cylinder 1, enabling a second pressing plate 13 to be firstly attached to the upper surface of the workpiece and provide stable downward pressure for the workpiece, enabling the workpiece to be stably positioned, gradually shortening a spring 14 until the spring is completely compressed, enabling an output end of the first oil cylinder 1 to penetrate through the corresponding position of the workpiece in the compression process of the spring 14, enabling an output end of the first oil cylinder 1 to move upwards until the output end is reset, completing punching of the corresponding position of the workpiece through a hole-flanging punching needle 6, starting a second oil cylinder 17, pushing a second punching plate 18 towards a second female die holder 20 by an output end of the second oil cylinder 17, gradually punching a punch 19 through a groove 23 on the surface of a second female die 12 and cutting the corresponding position of the workpiece, and the punch 19 is in abutting contact with the limiting block 22, so that the output end of the second oil cylinder 17 is reset, the trimming of the corresponding position of the workpiece can be completed, and a working cycle can be completed.

The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a deburring special mould that punches a hole, includes the bottom plate, its characterized in that: the stamping die comprises a base plate, and is characterized in that a first die holder is arranged in the middle of the upper portion of the base plate, a first die is arranged on the upper portion of the first die holder, a guide pillar is arranged on the surface of the base plate, a fixed plate is arranged on the top of the guide pillar, a first oil cylinder is arranged on the upper portion of the fixed plate, a first pressing plate is arranged below the fixed plate, the output end of the first oil cylinder is fixedly connected with the first pressing plate, a first stamping plate is arranged on the lower portion of the first pressing plate, a spring is arranged on the lower portion of the first stamping plate, a second pressing plate is arranged below the first stamping plate, two ends of the spring are fixedly connected with the first stamping plate and the second pressing plate respectively, a hole-flanging stamping needle is arranged on the lower portion of the first stamping plate, and the hole-flanging stamping needle penetrates through the second pressing plate.

2. The special die for trimming and punching according to claim 1, wherein a second die holder is disposed on the upper portion of the base plate on one side of the first die holder, a second die is symmetrically disposed on two sides of the second die holder, second oil cylinders are symmetrically disposed on two sides of the second die holder on the upper portion of the base plate, a second punching plate is disposed on one side of the second oil cylinders close to the second die holder, and a punch is disposed on one side of the second punching plate close to the second die holder.

3. The special die for trimming and punching according to claim 2, wherein a punch groove is formed in the surface of the second female die in a penetrating manner, a limiting block is arranged on the surface of the second female die holder corresponding to the punch groove, and the cross-sectional shapes of the punch groove and the limiting block are the same as the cross-sectional shape of the punch head.

4. The special trimming and punching die as claimed in claim 1, wherein an insert is arranged on the upper part of the first concave die and is inserted into the first concave die.

5. The die special for trimming and punching as claimed in claim 1, wherein the first die base is symmetrically provided with positioning plates at two sides, and the positioning plates are provided with positioning protrusions at the upper parts.

6. The special die for trimming and punching as claimed in claim 1, wherein a positioning seat is provided on the upper portion of the base plate near the side of the hole flanging punch pin.

7. The die special for trimming and punching according to claim 1, wherein a backing plate is arranged between the first pressing plate and the first punching plate, and the backing plate is fixedly connected with the first pressing plate and the first punching plate.

8. The special die for trimming and punching according to claim 1, wherein a guide sleeve is arranged at a position of the first pressing plate corresponding to the guide post, and the guide sleeve is connected with the guide post in a sliding manner.