CN218310388U

CN218310388U - Automatic retraction type bending die for processing elastic buckle

Info

Publication number: CN218310388U
Application number: CN202221609553.3U
Authority: CN
Inventors: 张帅; 李孟军
Original assignee: Kunshan Renzhijie Precision Electronic Components Co ltd
Current assignee: Kunshan Renzhijie Precision Electronic Components Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2023-01-17
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses an automatic retraction type bending die for processing an elastic buckle, which comprises a lower die, a first upper die and a second upper die, wherein a notching and slots are arranged on the top side wall of the lower die, a side punching die is respectively arranged on the top side walls of the left part and the right part of the notching, a moving block is respectively arranged in each slot, and the moving block is fixedly connected with the side punching die above the moving block; a top stamping die is fixed on the bottom side wall of the first upper die and arranged right above the stamping groove; and a push block is respectively fixed on the bottom side walls of the left part and the right part of the second upper die, each push block is respectively aligned with one slot up and down, and the second upper die is sleeved on the outer side of the first upper die. The utility model discloses conveniently carry out the secondary shaping of bending, but and automatic discharging.

Description

Automatic retraction type bending die for processing elastic buckle

Technical Field

The utility model relates to a bender technical field, concretely relates to automatic formula of retractile bender of processing elasticity buckle.

Background

The elastic buckle is formed by bending a sheet metal plate, and a bending die is used as a basic tool for bending. The existing bending die is not directly connected with a hydraulic cylinder or an air cylinder, and a rebound mechanism in the bending die can realize automatic retraction of the bending die. The elastic buckle is a triangular semi-enclosed structure and needs to be formed by bending more than one time, and the position of the spring buckle needs to be adjusted in the process, so that the process is very troublesome.

Therefore, the person skilled in the art provides an automatic retraction bender for processing an elastic buckle to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an automatic retraction type bending die for processing an elastic buckle, which comprises a lower die, a first upper die and a second upper die, wherein a notch arranged at the center line of the top side wall of the lower die is a punching groove, and grooves arranged at the left part and the right part are slots; a top stamping die is fixed on the bottom side wall of the first upper die and arranged right above the stamping groove, a first guide pillar is fixed in each of through holes at four corners of the first upper die, and the bottom of each first guide pillar is inserted into a vertical through hole of the lower die; the bottom side walls of the left portion and the right portion of the second upper die are respectively fixed with a push block, each push block is vertically aligned with one slot, the second upper die is sleeved on the outer side of the first upper die, a second guide pillar is fixed in through holes of four corners of the second upper die, and the bottom of each second guide pillar is inserted into a vertical through hole of the lower die.

Preferably, the following components: and a first spring is arranged in a gap between the inner side surface of the moving block and the inner wall of the lower die.

Preferably: a second spring is sleeved on the first guide pillar, and the top bottom end of the second spring is respectively abutted to the bottom side wall of the first upper die and the top side wall of the lower die.

Preferably: and a third spring is sleeved on the second guide pillar, and the top bottom end of the third spring is respectively abutted against the bottom side wall of the second upper die and the top side wall of the lower die.

Preferably, the following components: the tooth-shaped strip-shaped bulge arranged on the top side wall of the side punching die is a positioning edge.

Preferably: the rear end part of the punching groove is inserted with a push column, the rear end of the push column is fixed with a push plate, a third guide column is fixed in a through hole at the left part and the right part of the push plate, and the front end part of each third guide column is inserted into a longitudinal hole at the rear side wall of the lower die.

Preferably: a fourth spring is sleeved on the third guide pillar, and the front end and the rear end of the fourth spring are respectively abutted to the rear side wall of the lower die and the front side wall of the push plate.

The utility model discloses a technological effect and advantage:

1. the utility model has the advantages that the top punch die is charged with the thin plate into the punch groove by punching the first upper die downwards, so that the U-shaped structure is formed; and then the second upper die is punched downwards, so that after the push block pushes the moving block inwards, the side punching die pushes and bends the side plate of the thin plate inwards after moving inwards, and the two-step forming of the buckle can be completed without position adjustment.

2. The utility model discloses a with the push pedal punching press forward for after the support pillar moved forward, the jet-bedding was released forward to stamping forming's buckle in with the jet-bedding, can carry out automatic discharging.

Drawings

Fig. 1 is a schematic front view of an automatic retractable bender for processing an elastic buckle according to an embodiment of the present application;

fig. 2 is a top view of a lower die of an automatic retractable bender for processing an elastic buckle according to an embodiment of the present application.

In the figure: the stamping die comprises a lower die 10, a stamping groove 11, a slot 12, a side stamping die 13, a positioning edge 14, a moving block 15, a first spring 16, a first upper die 17, a top stamping die 18, a first guide pillar 19, a second upper die 20, a push block 21, a second guide pillar 22, a push plate 23, a push pillar 24 and a third guide pillar 25.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1 to 2, in the present embodiment, an automatic retraction type bender for processing an elastic buckle is provided, including a lower die 10, a first upper die 17, a second upper die 20, and a push post 24, a notch arranged at a center line of a top side wall of the lower die 10 is a punch groove 11, a groove arranged at a left portion and a right portion is a slot 12, a side punch 13 is respectively arranged on top side walls of the left portion and the right portion of the punch groove 11, a moving block 15 is respectively arranged in each slot 12, and the moving block 15 is fixedly connected with one side punch 13 above the moving block for driving the side punch 13 to move left and right; a first spring 16 is arranged in a gap between the inner side surface of the moving block 15 and the inner wall of the lower die 10 and used for providing outward thrust for the moving block 15; the tooth-shaped strip-shaped bulge arranged on the top side wall of the side die 13 is a positioning edge 14 and is used for positioning the end part of the thin plate in a tooth gap of the positioning plate 14;

a top stamping die 18 is fixed on the bottom side wall of the first upper die 17, the top stamping die 18 is arranged right above the stamping groove 11, a first guide post 19 is fixed in each of through holes at four corners of the first upper die 17, and the bottom of each first guide post 19 is inserted into a vertical through hole of the lower die 10 to guide the first upper die 17 up and down; a second spring is sleeved on the first guide pillar 19, and the top bottom end of the second spring is respectively abutted against the bottom side wall of the first upper die 17 and the top side wall of the lower die 10 and used for providing upward thrust for the first upper die 17;

the bottom side walls of the left part and the right part of the second upper die 20 are respectively fixed with a push block 21, each push block 21 is vertically aligned with one slot 12, the second upper die 20 is sleeved on the outer side of the first upper die 17, through holes at four corners of the second upper die 20 are respectively fixed with a second guide pillar 22, and the bottom of each second guide pillar 22 is inserted into a vertical through hole of the lower die 10 and used for guiding the second upper die 20 up and down; a third spring is sleeved on the second guide pillar 22, and the top bottom end of the third spring is respectively abutted against the bottom side wall of the second upper die 20 and the top side wall of the lower die 10 and used for providing upward thrust for the second upper die 20;

the front end part of the push post 24 is inserted into the rear end part of the washtrough 11, the rear end of the push post 24 is fixed with a push plate 23, a third guide post 25 is fixed in a through hole at the left part and the right part of the push plate 23, the front end part of each third guide post 25 is inserted into a longitudinal hole at the rear side wall of the lower die 10 to guide the push plate 13 and the push post 24 forwards and backwards, and the push post 24 pushes a buckle in the washtrough 11 forwards; the third guide post 25 is sleeved with a fourth spring, and the front end and the rear end of the fourth spring respectively support against the rear side wall of the lower die 10 and the front side wall of the push plate 23 to provide backward thrust for the push plate 23.

The utility model discloses a theory of operation: when in use, the left end part of the thin plate is placed in the tooth gap of the positioning edge 14 of the left side die 13, and the right end part of the thin plate is placed in the tooth gap of the positioning edge 14 of the right side die 13; then, firstly, the first upper die 17 is punched downwards, so that the top punch die 18 downwards punches the thin plate into the punching groove 11, the thin plate is punched into a U shape, and then after the first upper die 17 is loosened, the second spring pushes the first upper die 17 upwards, so that the top punch die 18 leaves the punching groove 11; then, firstly, the second upper die 20 is punched downwards, so that the push block 21 is inserted into the slot 12, the moving block 15 is pushed inwards, the moving block 15 drives the side punching dies 13 to move inwards, after the two side punching dies 13 move oppositely, the top end parts of the left plate and the right plate of the U-shaped thin plate are pushed inwards and bent, the top ends of the side plates horizontally rotate outwards under the resistance of the top punching dies 18, the thin plate is punched to be buckled, then after the second upper die 20 is loosened, the third spring pushes the second upper die 20 upwards, the push block 21 leaves the slot upwards, the moving block 15 moves outwards under the action of the first spring 16, and therefore the side punching dies 13 are driven to slide outwards to reset, and the side punching dies 13 leave the formed buckle; then, the push plate 23 is firstly punched forwards to drive the push column 24 to push forwards, the push column 24 pushes the buckle in the punching groove 11 forwards out of the punching groove 11 to finish discharging, and after the push plate 23 is loosened, the push plate 23 is pushed backwards by the fourth spring, so that the push column 23 is reset after sliding backwards. The utility model discloses conveniently carry out the secondary shaping of bending, but and automatic discharging.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. Structures, devices and methods of operation not specifically described or illustrated in the present application are not specifically illustrated or described, but are generally practiced in the art without limitation.

Claims

1. An automatic retraction type bending die for processing an elastic buckle is characterized by comprising a lower die (10), a first upper die (17) and a second upper die (20), wherein a notch arranged at the center line of the top side wall of the lower die (10) is a punching groove (11), grooves arranged at the left part and the right part are slots (12), a side punching die (13) is respectively arranged on the top side wall of the left part and the right part of the punching groove (11), a moving block (15) is respectively arranged in each slot (12), and the moving block (15) is fixedly connected with one side punching die (13) above; a top stamping die (18) is fixed on the bottom side wall of the first upper die (17), the top stamping die (18) is arranged right above the stamping groove (11), a first guide pillar (19) is fixed in each of through holes at four corners of the first upper die (17), and the bottom of each first guide pillar (19) is inserted into a vertical through hole of the lower die (10); the bottom side walls of the left portion and the right portion of the second upper die (20) are respectively fixed with a push block (21), each push block (21) is vertically aligned with one slot (12), the second upper die (20) is sleeved on the outer side of the first upper die (17), a second guide pillar (22) is respectively fixed in through holes of four corners of the second upper die (20), and the bottom of each second guide pillar (22) is inserted into a vertical through hole of the lower die (10).

2. The bender according to claim 1, wherein a first spring (16) is disposed in the gap between the inner side of the moving block (15) and the inner wall of the lower die (10).

3. The bender according to claim 1, wherein a second spring is sleeved on the first guide post (19), and the top and bottom ends of the second spring respectively abut against the bottom side wall of the first upper mold (17) and the top side wall of the lower mold (10).

4. The automatic retraction bender for processing elastic buckle according to claim 1, wherein a third spring is sleeved on said second guide post (22), and the top and bottom ends of said third spring respectively abut against the bottom side wall of the second upper mold (20) and the top side wall of the lower mold (10).