CN211661005U

CN211661005U - Cold-heading mould with master die blanking structure

Info

Publication number: CN211661005U
Application number: CN201922384726.0U
Authority: CN
Inventors: 王晨; 顾伟
Original assignee: Suzhou Flexible Precision Metal Technology Co ltd
Current assignee: Suzhou Flexible Precision Metal Technology Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-10-13
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a cold-heading mould with master die blanking structure belongs to cold-heading mould field, and it includes the die and sets up the master die under the die, install the drift in the die, the drift is stretched out by the die lower surface, the die cut has been seted up under the master die upper surface is located the drift, and the product is placed in the die cut, it is equipped with the waste material cover to lay under the die cut in the master die, the punching a hole has been seted up on waste material cover top, seted up row material passageway between two parties along vertical direction in the waste material cover, punch a hole and the die cut, arrange all intercommunication between the useless passageway, during the processing product, the drift gets into in the die cut the product bottom in with the waste material through the propelling movement to row material passageway that punches a hole. The utility model discloses have the effect that effectively improves machining efficiency, reduces the processing cost.

Description

Cold-heading mould with master die blanking structure

Technical Field

The utility model relates to a cold-heading mould field, in particular to cold-heading mould with master die blanking structure.

Background

The cold heading process is a processing method which utilizes the plastic deformation generated by metal under the action of external force and redistributes and transfers the volume of the metal by means of a die so as to form a required part or blank, is suitable for producing standard fasteners such as bolts, screws and the like, and has the advantages of high production efficiency, raw material saving and the like. The waste materials are removed through the main die when part of products are subjected to cold heading, but the waste materials are removed through the punching die in the prior art, the products are required to be removed through a machine after the production is finished, and one-step processing procedure is required to be added, so that the processing efficiency is reduced, the processing cost is increased, and the problem needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a cold-heading mould with master die blanking structure rejects through the waste material that can directly be located the product in the master die one end, has the effect that effectively improves machining efficiency, reduces the processing cost.

The utility model provides a cold-heading mould with master die blanking structure, includes the die and sets up the master die under the die, install the drift in the die, the drift is stretched out by the die lower surface, the dashing groove has been seted up under the master die upper surface is located the drift, and the product is placed in the dashing groove, it is equipped with the waste material cover to lie in under the dashing groove in the master die, the punching a hole has been seted up on waste material cover top, seted up discharge passage along vertical direction between two parties in the waste material cover, punch a hole and dash all communicate between groove, the waste discharge passage, during the processing product, the drift gets into in the dashing groove and carries out the die-cut back with the waste material through punching a hole propelling movement to discharge passage in.

The utility model discloses further set up to: the waste material cover is characterized in that a main mold rear top is connected to the position, below the waste material cover, in the main mold, of the waste material cover, the lower surface of the waste material cover is attached to the main mold rear top, a material guide portion is formed on one side of the main mold rear top, a material discharging opening is formed in one side, close to the material guide portion, of the main mold, and waste materials are discharged from the main mold through the material guide portion and the material discharging opening.

The utility model discloses further set up to: the connecting part of the side wall and the bottom wall of the material guiding part is provided with a slope.

The utility model discloses further set up to: the inner wall of the discharge channel is integrally formed with three limiting ribs along the vertical direction.

The utility model discloses further set up to: the material guide part is detachably connected with the main die through bolts.

The utility model discloses further set up to: and a positioning groove is formed at the joint of the material guide part and the upper surface of the rear top of the main die, and one side of the bottom end of the waste sleeve is positioned in the positioning groove.

The workpiece is placed in a punching groove in the upper surface of the main die, the punching die is made to move downwards, the punching head is used for processing the bottom of a product to generate waste, the punching head is continuously pressed downwards, the generated waste enters a material discharging channel through punching and then stays among three limiting ribs, a new product to be processed is placed in the punching groove, after the punching head repeats the previous movement process once, the new waste applies force to the previous waste staying between the limiting parts to extrude the previous waste, the waste is sequentially discharged through the material discharging channel, the material guiding part and the material discharging opening, the processing action is repeated for multiple times, and the waste is discharged from the main die one by one.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the waste sleeve and the waste discharge channel, waste generated in the main die can be separated from a product, so that one-step processing is omitted, the processing efficiency is effectively improved, and the processing cost is reduced;

2. the waste material is discharged from the main die through the rear top of the main die connected below the waste material sleeve in the main die and the discharge port arranged on the main die, so that the waste material discharge process can be omitted;

3. through the slope that forms on guide portion, the waste material of being convenient for moves towards the bin outlet and discharges the master mould.

Drawings

Fig. 1 is a schematic structural diagram for embodying the whole of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure, 1, a die; 11. a punch; 2. performing primary molding; 21. notching; 22. a discharge outlet; 23. a bolt; 3. a waste material sleeve; 31. punching; 32. a discharge channel; 33. limiting ribs; 4. jacking the rear part of the main mold; 41. a material guide part; 42. a slope; 43. positioning a groove; 5. and (5) producing the product.

Detailed Description

The present invention will be described in detail with reference to the attached drawings, and other advantages and effects of the present invention can be easily understood by those skilled in the art from the disclosure of the present specification. In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also regarded as the scope of the present invention without substantial changes in the technical content.

Example (b):

as shown in fig. 1 and 2, for the utility model relates to a cold-heading mould with fundamental mode blanking structure, including die 1 with set up in fundamental mode 2 under die 1, install drift 11 in the die 1, drift 11 is stretched out by 1 lower surface of die, and die 21 has been seted up under 2 upper surfaces of fundamental mode are located drift 11, and product 5 places in die 21, lies in die 2 and inlays under 21 and be equipped with waste material cover 3, and the waste material of production is discharged in by waste material cover 3.

As shown in fig. 2, the top end of the waste sleeve 3 is provided with a punched hole 31, the waste sleeve 3 is internally provided with a discharge passage 32 along the vertical direction, the punched hole 31 is communicated with the punching groove 21 and the discharge passage, and when the product 5 is processed, the punch 11 enters the punching groove 21 to punch the bottom of the product 5 and then pushes the waste material to the discharge passage 32 through the punched hole 31. The inner wall of the discharge channel 32 is integrally formed with three limiting ribs 33 in the vertical direction. After the product 5 is punched by the punch 11, the punch 11 continues to move downwards, the distance between the three limiting ribs 33 is smaller than the diameter of the punched hole 31, so that the waste material is stopped between the three limiting ribs 33, the new product 5 is processed after the punch 11 is lifted, and the newly generated waste material pushes out the previous waste material between the three limiting ribs 33 from the discharge channel 32.

As shown in fig. 1 to 3, a rear top of the main mold 2 is connected to the inside of the main mold 2 below the scrap receptacle 3, a positioning groove 43 is formed at a position where the material guiding portion 41 is connected to the rear top surface of the main mold 2, and one side of the bottom end of the scrap receptacle 3 is located in the positioning groove 43. The rear top of the main die 2 is detachably connected with the main die 2 through a bolt 23. The lower surface of the waste sleeve 3 is attached to the rear top of the main mold 2, a material guide portion 41 is formed on one side of the rear top of the main mold 2, and a slope 42 is formed at the joint of the side wall and the bottom wall of the material guide portion 41. A material discharge opening 22 is formed in one side of the main mold 2 close to the material guide portion 41, and waste materials are discharged from the main mold 2 through the material guide portion 41 and the material discharge opening 22.

The implementation principle of the above embodiment is as follows: the workpiece is placed in a punching groove 21 on the upper surface of a main die 2, a punching die 1 is made to move downwards, a punch 11 generates waste materials after processing the bottom of a product 5, the punch 11 continues to press downwards, the generated waste materials enter a material discharge channel 32 through a punching hole 31 and then stay among three limiting ribs 33, a new product 5 to be processed is placed in the punching groove 21, after the last movement process is repeated by the punch 11, the new waste materials apply force to the previous waste materials staying among the limiting parts and extrude the previous waste materials, the previous waste materials are sequentially discharged through the material discharge channel 32, a material guide part 41 and a material discharge port 22, the processing action is repeated for multiple times, and the waste materials are discharged out of the main die 2 one by one.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention. As shown in fig. 1 and 2, for the utility model relates to a cold-heading mould with fundamental mode blanking structure, including die 1 with set up in fundamental mode 2 under die 1, install drift 11 in the die 1, drift 11 is stretched out by 1 lower surface of die, and die 21 has been seted up under 2 upper surfaces of fundamental mode are located drift 11, and product 5 places in die 21, lies in die 2 and inlays under 21 and be equipped with waste material cover 3, and the waste material of production is discharged in by waste material cover 3.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a cold-heading mould with master die blanking structure, includes die (1) and sets up master die (2) under die (1), its characterized in that: install drift (11) in die (1), drift (11) are stretched out by die (1) lower surface, dashing groove (21) have been seted up under drift (11) to main mould (2) upper surface, and place in dashing groove (21) product (5), it is equipped with waste material cover (3) to lie in dashing groove (21) in main mould (2) under, punch a hole (31) have been seted up on waste material cover (3) top, arrange material passageway (32) between two parties along vertical direction in waste material cover (3), all communicate between punch a hole (31) and dashing groove (21), the waste material passageway of wasting discharge, during processing product (5), after punching product (5) bottom is die-cut in drift (11) entering dashing groove (21) with the waste material through punching a hole (31) propelling movement to arrange material passageway (32).

2. The cold-heading die with the blanking structure of the main die as claimed in claim 1, wherein: lie in waste material cover (3) below in master die (2) and be connected with top behind master die (2), the laminating of top behind waste material cover (3) lower surface and master die (2), top one side is formed with guide portion (41) behind master die (2), relief opening (22) have been seted up to master die (2) being close to guide portion (41) one side, and the waste material process guide portion (41) and relief opening (22) are discharged in by master die (2).

3. The cold-heading die with the blanking structure of the main die as claimed in claim 2, wherein: the connecting part of the side wall and the bottom wall of the material guide part (41) is provided with a slope (42).

4. The cold-heading die with the blanking structure of the main die as claimed in claim 3, wherein: the inner wall of the discharge channel (32) is integrally formed with three limiting ribs (33) along the vertical direction.

5. The cold-heading die with the blanking structure of the main die as claimed in claim 2, wherein: the material guiding part (41) is detachably connected with the main die (2) through a bolt (23).

6. The cold-heading die with the blanking structure of the main die as claimed in claim 5, wherein: a positioning groove (43) is formed at the connecting position of the material guide part (41) and the top rear surface of the main die (2), and one side of the bottom end of the waste sleeve (3) is positioned in the positioning groove (43).