CN106424359B - Double seat V-shaped curved mode structure synchronous with T-shaped and method of work - Google Patents

Abstract

The invention relates to a double-seat V-shaped and T-shaped synchronous bending die structure, which includes a punch seat and a lower die seat, and a V is arranged at one end between the punch seat and the lower die seat. A T-shaped bending die assembly, the other end between the punch seat and the lower die seat is provided with a T-shaped bending die assembly, and the V-shaped bending die assembly includes a first punch block, a V The T-shaped punch and the first lower die seat block, the T-shaped bending die assembly includes the second punch seat block, the cam block and the second lower die seat block; the present invention also relates to a double-seat V-shaped and T-shaped The working method of the synchronous bending die structure of the font. The invention has reasonable structural design and simple operation, completes the two-pass processing of V-shaped bending and T-shaped close-contact bending in the same mold, accurate positioning, stable operation, and guaranteed dimensional accuracy of forming, which solves the problem that such products are extremely difficult to form problem.

Description

Structure and working method of two-seater V-shaped and T-shaped synchronous bending dies

technical field

The invention relates to a two-seat V-shaped and T-shaped synchronous bending die structure and working method.

Background technique

In the production of sheet metal products, the 150-degree V-shaped bending and the 180-degree T-shaped tight bending of the product, that is, the folding and bending are very difficult, and the dimensional accuracy of the product is difficult to guarantee, and generally different molds are used to complete different passes. has great limitations.

Contents of the invention

In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a two-seat V-shaped and T-shaped synchronous bending die structure and working method, which is not only reasonable in structural design, but also efficient and convenient.

In order to solve the above technical problems, the technical solution of the present invention is: a double-seat V-shaped and T-shaped synchronous bending die structure, including a punch seat and a lower die seat, and the punch seat and the lower die seat One end between the seats is provided with a V-shaped bending die assembly, and the other end between the punch holder and the lower die holder is provided with a T-shaped bending die assembly, and the V-shaped bending die assembly The component includes a first punch seat block, a V-shaped punch and a first lower die seat block, and the T-shaped bending die assembly includes a second punch seat block, a cam block and a second lower die seat block.

Preferably, the first punch seat block is connected to the lower side of the punch seat by screws, the V-shaped punch is connected to the lower side of the first punch seat block by screws, and the first lower die seat The block is connected to the upper side of the lower die seat by screws, and the upper side of the first lower die seat block has a V-shaped cavity for matching with the V-shaped punch, and the V-shaped punch and the V-shaped cavity A V-shaped cavity is formed, and a spring ejector pin is arranged at the bottom of the V-shaped concave cavity.

Preferably, the V-shaped punch is arranged in the middle of the lower side of the first punch block, and several pairs of spring positioning pins are symmetrically arranged on the lower side of the first punch block.

Preferably, a first edge positioning pin is provided on the outer side of the first lower die base block.

Preferably, the second punch seat block is connected to the lower side of the punch seat via screws, the second lower die seat block is connected to the upper side of the lower die seat via screws, and the second lower die seat block is There is a V-shaped groove on the upper side, and the two cam blocks are symmetrically arranged in the V-shaped groove, and a T-shaped cavity is formed between the two cam blocks and the second punch seat block, and the V-shaped The bottom of the groove is provided with a spring plunger for driving two cam blocks to slide to the top along the two slopes of the V-shaped groove respectively.

Preferably, two limiting slots arranged in a figure-eight shape are symmetrically arranged on the second lower die base block, and limiting bolts are arranged in the limiting grooves, and one end of the limiting bolts is threadedly connected with the cam block, so that The other end of the limit bolt is slidingly matched with the limit groove, and the limit bolt slides up and down along the limit groove driven by the cam block.

Preferably, the upper side of the cam block is parallel to the horizontal plane, the inner side of the cam block is parallel to the vertical plane, the outer side of the cam block is parallel to the slope of the V-shaped groove, and the second punch seat The underside of the block is parallel to the horizontal plane.

Preferably, the upper side of the cam block is provided with a second side positioning pin, and the lower side of the second punch seat block is provided with an avoidance hole matched with the second side positioning pin at a corresponding position.

A working method of a two-seat V-shaped and T-shaped synchronous bending die structure, comprising any of the above-mentioned two-seat V-shaped and T-shaped synchronous bending die structures, comprising the following steps:

(1) Open the mold; the punch seat, the first punch block, the V-shaped punch and the second punch block move upward, and the two cam blocks move along the two sides of the V-shaped groove under the action of the spring plunger. The inclined surface slides to the top, and the two cam blocks move away from each other;

(2) Feeding: place the blank on the upper side of the first lower die base block, place the V-shaped bent semi-finished blank on the two cam blocks, and place the V-shaped curved part of the semi-finished blank between the two cam blocks In the opening, the horizontal part of the semi-finished blank is placed on the upper side of the two cam blocks;

(3) Close the mold; the punch holder, the first punch block, the V-shaped punch and the second punch block move downward until the stroke is completed, and the V-shaped punch is pressed into the V-shaped cavity The V-shaped bending of the blank is completed in the middle, and the second punch seat block drives the two cam blocks to move to the bottom, and the two cam blocks move towards the bottom while approaching each other. Bend into shape.

Compared with the prior art, the present invention has the following beneficial effects: the present invention has reasonable structural design, simple operation, completes the two-pass processing of V-shaped bending and T-shaped tight bending in the same mold, accurate positioning, stable operation, and formed The dimensional accuracy is guaranteed, which solves the extremely difficult problem of forming such products.

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is a schematic diagram of the structure of an embodiment of the present invention.

In the figure: 1-punch seat, 2-lower die seat, 3-first punch seat block, 4-V-shaped punch, 5-first lower die seat block, 6-second punch seat block , 7-Cam block, 8-Second lower mold seat block, 9-Spring ejector pin, 10-Spring positioning pin, 11-First edge positioning pin, 12-Spring plunger, 13-Limiting groove, 14- Limiting bolt, 15-second positioning pin on the side, 16-avoidance hole.

detailed description

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail with reference to the accompanying drawings.

As shown in Figure 1, a double-seat V-shaped and T-shaped synchronous bending die structure includes a punch seat 1 and a lower die seat 2, and the punch seat 1 and the lower die seat 2 A V-shaped bending die assembly is provided on one side of the punch seat 1 and a T-shaped bending die assembly is provided on the other side between the punch seat 1 and the lower die seat 2. The V-shaped bending die assembly Including the first punch block 3, the V-shaped punch 4 and the first lower die block 5, the T-shaped bending die assembly includes the second punch block 6, the cam block 7 and the second lower die block 8.

In the embodiment of the present invention, the first punch block 3 is connected to the lower side of the punch holder 1 by screws, and the V-shaped punch 4 is connected to the lower side of the first punch block 3 by screws. , the first lower die base block 5 is screwed to the upper side of the lower die holder 2, and the upper side of the first lower die base block 5 has a V-shaped cavity for matching with the V-shaped punch 4 , the V-shaped punch 4 and the V-shaped concave cavity form a V-shaped cavity, the bottom of the V-shaped concave cavity is provided with a spring ejector pin 9, and the spring ejector pin 9 avoids impact and plays a buffering role , improve the surface accuracy of the product; the V-shaped cavity is made into 150 degrees to obtain a 150-degree V-shaped curved semi-finished product, and the angle of the V-shaped cavity is not limited thereto.

In the embodiment of the present invention, the V-shaped punch 4 is arranged in the middle of the lower side of the first punch block 3, and several pairs of spring positioning pins are symmetrically arranged on the lower side of the first punch block 3 10.

In the embodiment of the present invention, a first edge positioning pin 11 is provided on the outer side of the first lower mold base block 5 .

In the embodiment of the present invention, the second punch block 6 is connected to the lower side of the punch seat 1 by screws, and the second lower die block 8 is connected to the upper side of the lower die seat 2 by screws. The upper side of the second lower mold base block 8 has a V-shaped groove, and the two cam blocks 7 are symmetrically arranged in the V-shaped groove. A T-shaped cavity is formed between them, and the bottom of the V-shaped groove is provided with a spring plunger 12 for driving the two cam blocks 7 to slide along the two slopes of the V-shaped groove to the top.

In the embodiment of the present invention, the second lower mold base block 8 is symmetrically provided with two limiting grooves 13 in a figure-eight arrangement, and limiting bolts 14 are arranged in the limiting grooves 13, and the two limiting bolts 14 is also arranged in a figure-eight shape, one end of the limit bolt 14 is threadedly connected with the cam block 7, and the other end of the limit bolt 14 is slidably matched with the limit groove 13, and the limit bolt 14 is driven by the cam block 7. Slide up and down along the limit groove 13.

In the embodiment of the present invention, the upper side of the cam block 7 is parallel to the horizontal plane, the inner side of the cam block 7 is parallel to the vertical plane, and the outer side of the cam block 7 is parallel to the slope of the V-shaped groove, The lower side of the second punch block 6 is parallel to the horizontal plane.

In the embodiment of the present invention, the upper side of the cam block 7 is provided with a second side positioning pin 15, and the lower side of the second punch block 6 is provided with a corresponding position to match the second side positioning pin 15. Avoid hole 16.

In an embodiment of the present invention, a working method of a two-seat V-shaped and T-shaped synchronous bending die structure includes any of the above-mentioned two-seat V-shaped and T-shaped synchronous bending die structures, including the following steps:

(1) Die opening; the punch seat 1, the first punch block 3, the V-shaped punch 4 and the second punch block 6 move upward, and the two cam blocks 7 move along under the action of the spring plunger 12. The two slopes of the V-shaped groove slide to the top, and the two cam blocks 7 move away from each other. During this process, the limit bolt 14 slides to the top along the limit groove 13 until the end of the limit groove 13, limiting the width of the limit groove 13. Thereby determine the maximum opening between two cam blocks 7;

(2) Feeding: place the blank on the upper side of the first lower die base block 5, assist the first side positioning pin 11 to realize the positioning of the blank, place the semi-finished blank that has been bent in a V shape on the two cam blocks 7, and the semi-finished product The V-shaped curved part of the blank is placed in the opening between the two cam blocks 7, the horizontal part of the semi-finished blank is placed on the upper side of the two cam blocks 7, and the size of the opening between the two cam blocks 7 realizes the positioning of the semi-finished blank;

(3) Close the mold; the punch holder 1, the first punch block 3, the V-shaped punch 4 and the second punch block 6 move downward until the stroke is completed, and the V-shaped punch 4 presses In the process of entering the V-shaped concave cavity, the pressing of the auxiliary spring positioning pin 10 realizes the positioning of the blank, and the rebound of the auxiliary spring positioning pin 10 ensures the inflow of the blank, and completes the V-shaped bending of the blank; at the same time, the second punch block 6 Drive the two cam blocks 7 to move to the bottom, and the two cam blocks 7 move towards the bottom while approaching each other. During this process, the limit bolt 14 slides to the bottom along the limit groove 13 until the starting point of the limit groove 13, defining the limit groove The width of 13 thus determines the minimum opening between the two cam blocks 7, and now the second positioning pin 15 enters the avoidance hole 16, and the V-shaped bending part is closely connected to a T-shaped, completing the T-shaped bending of the semi-finished blank.

The present invention is not limited to the above-mentioned best implementation mode, anyone can draw other various forms of two-seat type V-shaped and T-shaped synchronous bending die structures and working methods under the enlightenment of the present invention. All equivalent changes and modifications made according to the patent scope of the present invention shall fall within the scope of the present invention.

Claims (7)

1. A two-seat V-shaped and T-shaped synchronous bending die structure, characterized in that: it includes a punch seat and a lower die seat, and one side end between the punch seat and the lower die seat A V-shaped bending die assembly is provided, and a T-shaped bending die assembly is provided on the other side between the punch seat and the lower die seat, and the V-shaped bending die assembly includes a first punch seat Block, V-shaped punch and the first lower die seat block, the T-shaped bending die assembly includes the second punch seat block, cam block and the second lower die seat block, the first punch seat block is screwed Connected to the lower side of the punch seat, the V-shaped punch is connected to the lower side of the first punch seat block through screws, and the first lower die block is connected to the upper side of the lower die seat through screws, so The upper side of the first lower die base block has a V-shaped concave cavity for matching with the V-shaped punch, and the V-shaped punch and the V-shaped concave cavity form a V-shaped cavity, and the V-shaped concave cavity The bottom of the bottom is provided with a spring ejector pin, the second punch block is connected to the lower side of the punch seat through screws, and the second lower die block is connected to the upper side of the lower die seat through screws. The upper side of the second lower die base block has a V-shaped groove, and the two cam blocks are symmetrically arranged in the V-shaped groove, and the two cam blocks and the second punch seat block are surrounded by a T shape. cavity, the bottom of the V-shaped groove is provided with a spring plunger for driving two cam blocks to slide along the two inclined surfaces of the V-shaped groove respectively. 2. The double-seat V-shaped and T-shaped synchronous bending die structure according to claim 1, characterized in that: the V-shaped punch is arranged in the middle of the lower side of the first punch block, and the first Several pairs of spring positioning pins are symmetrically arranged on the lower side of the punch block. 3. The double-seat V-shaped and T-shaped synchronous bending die structure according to claim 1, characterized in that: a first side positioning pin is arranged on the outer side of the first lower die base block. 4. The double-seat V-shaped and T-shaped synchronous bending die structure according to claim 1, characterized in that: the second lower die block is symmetrically provided with two limiting grooves arranged in a figure-eight shape, A limit bolt is arranged in the limit groove, one end of the limit bolt is threadedly connected with the cam block, the other end of the limit bolt is slidingly fitted with the limit groove, and the limit bolt is driven by the cam block along the Slide up and down along the limit slot. 5. The two-seat V-shaped and T-shaped synchronous bending die structure according to claim 1, characterized in that: the upper side of the cam block is parallel to the horizontal plane, and the inner side of the cam block is parallel to the vertical plane , the outer side of the cam block is parallel to the slope of the V-shaped groove, and the lower side of the second punch seat block is parallel to the horizontal plane. 6. The two-seat V-shaped and T-shaped synchronous bending die structure according to claim 1, characterized in that: the upper side of the cam block is provided with a second side positioning pin, and the second punch seat block Corresponding positions on the lower side of the body are provided with avoidance holes that cooperate with the second edge positioning pins. 7. A working method of a two-seater V-shaped and T-shaped synchronous bending die structure, characterized in that it comprises a two-seater V-shaped and T-shaped synchronous bending die as claimed in any one of claims 1 to 6 structure, including the following steps: (1) Open the mold; the punch seat, the first punch block, the V-shaped punch and the second punch block move upward, and the two cam blocks move along the two sides of the V-shaped groove under the action of the spring plunger. The inclined surface slides to the top, and the two cam blocks move away from each other; (2) Feeding: place the blank on the upper side of the first lower die base block, place the V-shaped bent semi-finished blank on the two cam blocks, and place the V-shaped curved part of the semi-finished blank between the two cam blocks In the opening, the horizontal part of the semi-finished blank is placed on the upper side of the two cam blocks; (3) Close the mold; the punch holder, the first punch block, the V-shaped punch and the second punch block move downward until the stroke is completed, and the V-shaped punch is pressed into the V-shaped cavity The V-shaped bending of the blank is completed in the middle, and the second punch seat block drives the two cam blocks to move to the bottom, and the two cam blocks move towards the bottom while approaching each other. Bend into shape.