CN211307073U

CN211307073U - Pressure adjustable structure

Info

Publication number: CN211307073U
Application number: CN201922226713.0U
Authority: CN
Inventors: 张俭; 谈源; 范春雷
Original assignee: Changzhou Xinchuang Aviation Technology Co ltd
Current assignee: Changzhou Xinchuang Aviation Technology Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-08-21
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a pressure adjustable structure, which belongs to the field of composite material equipment and has the advantages that when a horizontal plate is punched, the pressure on two wings is gradually increased, so that the two wings are not easy to slip, and the product percent of pass is obviously improved; a positioning part is arranged on the lower die seat, and a limiting block matched with the positioning part is arranged on the cushion block; the positioning part comprises two moving blocks which are symmetrically arranged, the moving blocks are close to or far away from the fixed blocks along the extending direction of the two wings, and a splitting block is fixedly connected to the bottom of the upper die base to split the two moving blocks. The utility model is suitable for a combined material panel processing.

Description

Pressure adjustable structure

Technical Field

The utility model relates to an adjust the structure, in particular to pressure adjustable structure.

Background

The carbon fiber composite material is formed by converting organic fibers through a series of heat treatment, is an inorganic high-performance fiber with carbon content higher than 90 percent, is a new material with excellent mechanical property, has the inherent characteristics of a carbon material, and has the soft processability of textile fibers, so the carbon fiber composite material is widely applied to the fields of rail transit, aerospace, wind power blades and the like.

For the application of the composite material in different fields, the composite material needs to be made into different forms to meet different use requirements, as shown in fig. 1, for the forming of a plate with two wings 00, such as a hat-shaped plate, when a horizontal plate is subjected to downward punch forming, the two wings 00 are prone to be wrinkled, so that a certain pressing force needs to be provided for the two wings 00, but due to the fact that the punching force applied to the horizontal plate is too large, the two wings 00 are prone to slip out of a pressing structure during punching, and the product failure rate is high.

Based on the practical experience and professional knowledge of the engineering application of the product for years, the designer actively carries out research and innovation by matching with the application of the theory, and creates a pressure adjustable structure to ensure that the pressure adjustable structure has higher practicability.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pressure adjustable structure has when the punching press to horizontal panel, and to the pressure crescent of both wings, make the difficult slippage of both wings, is showing the advantage that improves the product percent of pass.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a pressure adjustable structure comprises an upper die base, a lower die base and a cushion block, wherein a lower die is fixedly mounted on the lower die base, and a horizontal plate is tightly pressed between the cushion block and the lower die;

a positioning part is arranged on the lower die seat, and a limiting block matched with the positioning part is arranged on the cushion block;

the positioning part comprises two moving blocks which are symmetrically arranged, the moving blocks are close to or far away from the fixed blocks along the extending direction of the two wings, and a splitting block is fixedly connected to the bottom of the upper die base to split the two moving blocks.

Further comprises two fixed blocks which are fixedly arranged on the lower die seat,

a first guide post is fixedly connected to the moving block and penetrates through the fixed block;

the first guide post is coaxially sleeved with a first spring, one end of the first spring is abutted to the fixed block, the other end of the first spring is abutted to the moving block, and the first spring is always in a compressed state.

Furthermore, one end of the splitting block, which is far away from the upper die base, is provided with a guide inclined plane, and two opposite sides of the two moving blocks are provided with tangent planes matched with the guide inclined planes.

Furthermore, a positioning piece is arranged between the two moving blocks, the positioning piece is fixedly connected with the lower die base, and positioning grooves matched with the positioning piece are formed in the moving blocks.

Further, when the positioning groove is abutted to the positioning piece, a gap is formed between the two moving blocks, and the distance of the gap is smaller than the width of the limiting block.

Further, the width of the end part of the splitting block far away from the upper die seat is smaller than the gap.

Further, the cushion block with go up the mould seat and slide and be connected, fixedly connected with second guide post on the cushion block, last offering on the mould seat and supplying the second guide hole that the second guide post passed, the cover is equipped with the second spring on the second guide post, the one end and the cushion butt of second spring, the other end with go up the mould seat butt, the second spring is in compression state all the time.

Further, the bottom of the upper die base is fixedly connected with an upper die, and the upper die is located between the two lower dies.

Furthermore, the upper die is provided with at least one through groove along the length direction of the upper die, and a heating pipe is embedded in the through groove.

Furthermore, four corner points of the lower die base are provided with third guide posts, and the upper die base is provided with third guide holes for the third guide posts to pass through.

The utility model discloses following beneficial effect has:

when the distance between the two moving blocks is minimum, the two moving blocks have a limiting effect on the limiting block, at the moment, the cushion block compresses the horizontal plate to avoid the horizontal plate from being folded, but the acting force of the cushion block on the horizontal plate is unchanged due to the limiting effect of the limiting block;

in to horizontal panel stamping process, the split piece splits two movable blocks apart, and two movable blocks are kept away from each other, make the stopper can the downstream to the cushion also can the downstream, through to the cushion crescent external force, the cushion also can increase thereupon to the pressure of both wings so, and then compresses tightly both wings, makes both wings be difficult for the slippage in the course of working, is showing and is improving the product percent of pass.

Drawings

FIG. 1 is a schematic view of a prior art sheet material having two wings;

FIG. 2 is a front view of the present embodiment for embodying a pressure adjustable structure;

fig. 3 is a schematic view of the overall structure for embodying the pressure adjustable structure in this embodiment.

In the figure, 00, two wings; 1. an upper die base; 11. splitting the blocks; 111. a guide ramp; 12. a second guide hole; 13. an upper die; 131. a through groove; 14. a third guide hole; 2. a lower die base; 21. a lower die; 22. a moving block; 221. a first guide post; 222. cutting into noodles; 223. positioning a groove; 23. positioning plates; 24. a third guide post; 25. a fixed block; 3. cushion blocks; 31. a limiting block; 32. a second guide post.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

A pressure adjustable structure is shown in figure 2 and comprises an upper die base 1, a lower die base 2 and a cushion block 3, wherein a lower die 21 is fixedly installed on the lower die base 2, and a horizontal plate is tightly pressed between the cushion block 3 and the lower die 21;

a positioning part is arranged on the lower die base 2, and a limiting block 31 matched with the positioning part is arranged on the cushion block 3;

wherein, location portion includes two movable blocks 22 that the symmetry set up, and movable block 22 is close to each other or is kept away from along the extending direction of both wings 00 (see fig. 1) for fixed block 25, goes up die holder 1 bottom fixedly connected with and splits piece 11 with two movable blocks 22 of split.

The first stage is as follows: when the distance between the two moving blocks 22 is the minimum, the two moving blocks 22 play a limiting role on the limiting block 31, at the moment, the cushion block 3 compresses the horizontal plate to avoid the horizontal plate from being folded, but the acting force of the cushion block 3 on the horizontal plate is unchanged due to the limiting role of the limiting block 31;

and a second stage: in the process of stamping the horizontal plate, the two moving blocks 22 are separated by the separating block 11, the two moving blocks 22 are far away from each other, the limiting block 31 can move downwards, so that the cushion block 3 can also move downwards, the pressure of the cushion block 3 to the two wings 00 can be increased along with the gradually increased external force of the cushion block 3, the two wings 00 are further compressed, the two wings 00 are not easy to slip in the processing process, and the product qualification rate is obviously improved.

As shown in fig. 2, the mold further comprises two fixing blocks 25, the fixing blocks 25 are fixedly mounted on the lower mold base 2, the moving block 22 is fixedly connected with a first guide post 221, and the first guide post 221 is arranged on the fixing blocks 25 in a penetrating manner; here, the first guiding column 221 may be fixedly connected to the fixing block 25, and the moving block 22 is coaxially sleeved on the first guiding column 221, so that only the relative movement between the moving block 22 and the fixing block 25 is required. The first guide post 221 is coaxially sleeved with a first spring (not shown in the figure), one end of the first spring is abutted with the fixed block 25, the other end of the first spring is abutted with the moving block 22, and the first spring is always in a compressed state. With the above configuration, the moving blocks 22 can be separated from each other when the splitting block 11 moves downward, and when the splitting block 11 moves upward, the moving blocks 22 can return to the initial state by the return action of the first spring, and the initial state of the moving blocks 22 is a state before the two moving blocks 22 are not involved in the splitting block 11, and at this time, the distance between the two moving blocks 22 is the minimum.

As shown in fig. 2, one end of the splitting block 11 away from the upper die base 1 is provided with a guiding inclined surface 111, and two opposite sides of the two moving blocks 22 are provided with cut surfaces 222 matched with the guiding inclined surfaces 111. The inclined guide surface 111 and the cut surface 222 are arranged to facilitate the insertion of the splitting block 11 between the two moving blocks 22 and the smooth unlatching of the two moving blocks 22.

As shown in fig. 2 and 3, a positioning plate 23 is disposed between the two moving blocks 22, the positioning plate 23 is fixedly connected with the lower mold base 2, and a positioning groove 223 matched with the positioning plate 23 is disposed on the moving block 22.

As shown in fig. 3, when the positioning groove 223 abuts against the positioning plate 23, a gap is formed between the two moving blocks 22, and the distance of the gap is smaller than the width of the stopper 31, where the width of the stopper 31 is the width of the end of the stopper 31 far away from the cushion block 3, so that the two moving blocks 22 can limit the stopper 31 in the first stage.

As shown in fig. 2, the width of the end of the splitting block 11 away from the upper die base 1 is smaller than the gap, so that the splitting block 11 can be inserted between the two moving blocks 22 to smoothly pull the two moving blocks 22 apart.

As shown in fig. 3, the cushion block 3 is connected to the upper die base 1 in a sliding manner, a second guide post 32 is fixedly connected to the cushion block 3, a second guide hole 12 through which the second guide post 32 passes is formed in the upper die base 1, a second spring (not shown in the figure) is sleeved on the second guide post 32, one end of the second spring abuts against the cushion block 3, the other end of the second spring abuts against the upper die base 1, and the second spring is always in a compressed state. In the embodiment, the acting force of the cushion block 3 is realized by the elastic force of the second spring, in the first stage, due to the limiting action of the limiting block 31, the elastic force of the second spring only partially acts, and the pressing force of the second spring can be reasonably adjusted by the matching degree of the distance between the cushion block 3 and the lower die 21 and the thickness of the horizontal plate when the limiting block 31 is abutted with the moving block 22; in the second stage, the upper die base 1 moves downward under the action of an electric cylinder (not shown in the figure), in this embodiment, the electric cylinder is installed in the middle of the upper die base 1 to form the horizontal plate, and meanwhile, the disassembling block 11 is driven to move downward to separate the two moving blocks 22 by a sufficient distance which is at least larger than the width of the limiting block 31, and the limiting block 31 moves downward, at this time, as the upper die base 1 moves downward, the elastic force of the second spring increases against the descending of the upper die base 1, the pressing force of the cushion block 3 on the two wings 00 (see figure 1) is gradually increased, the two wings 00 are pressed tightly, so that the two wings 00 are not easy to slip in the processing process, and the product percent of pass is obviously improved. Here, reasonable parameters are selected after testing is carried out through the second spring and the power of the electric cylinder, so that the pressing force of the two wings 00 is ensured to meet the production requirement, the two wings 00 are not allowed to slip, and the plate structure is not damaged due to the fact that the pressure of the two wings 00 is too large.

As shown in fig. 1, an upper mold 13 is fixedly connected to the bottom of the upper mold base 1, and the upper mold 13 is located between two lower molds 21. The upper die 13 can be selected reasonably according to the actually required plate structure.

As shown in fig. 3, the upper mold 13 is provided with at least one through groove 131 along the length direction thereof, and a heating pipe is embedded in the through groove 131. The heating pipe can heat horizontal plate in the bending process, so that the horizontal plate is easy to soften and deform, and the horizontal plate is easier to bend.

As shown in fig. 3, third guide posts 24 are disposed at four corners of the lower die base 2, and third guide holes 14 for the third guide posts 24 to pass through are opened on the upper die base 1. The cooperation of third guide post 24 and third guiding hole 14 can guarantee that last mould 13 carries out the removal of vertical direction, can not take place the displacement of other directions, makes horizontal panel can bend into the panel that has two wings accurately.

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. A pressure adjustable structure is characterized by comprising an upper die base (1), a lower die base (2), a cushion block (3) and two fixing blocks (25), wherein the fixing blocks (25) are fixedly arranged on the lower die base (2),

a lower die (21) is fixedly arranged on the lower die seat (2), and a horizontal plate is tightly pressed between the cushion block (3) and the lower die (21);

a positioning part is arranged on the lower die seat (2), and a limiting block (31) matched with the positioning part is arranged on the cushion block (3);

the positioning portion comprises two moving blocks (22) which are symmetrically arranged, the moving blocks (22) are close to or far away from each other along the extending direction of the two wings (00) relative to the fixing block (25), and a splitting block (11) is fixedly connected to the bottom of the upper die base (1) to split the two moving blocks (22).

2. A pressure adjustable structure as claimed in claim 1, wherein a first guiding column (221) is fixedly connected to the moving block (22), and the first guiding column (221) is arranged on the fixed block (25) in a penetrating manner;

the first guide post (221) is coaxially sleeved with a first spring, one end of the first spring is abutted to the fixed block (25), the other end of the first spring is abutted to the moving block (22), and the first spring is always in a compressed state.

3. A pressure adjustable structure according to claim 1, wherein one end of the splitting block (11) far away from the upper die base (1) is provided with a guiding inclined plane (111), and two opposite sides of the two moving blocks (22) are provided with tangent planes (222) matched with the guiding inclined plane (111).

4. A pressure adjustable structure as claimed in claim 3, wherein a positioning plate (23) is provided between the two moving blocks (22), the positioning plate (23) is fixedly connected with the lower mold base (2), and a positioning groove (223) matched with the positioning plate (23) is provided on the moving block (22).

5. A pressure adjustable structure as claimed in claim 4, characterized in that when the positioning slot (223) abuts against the positioning plate (23), a gap is formed between the two moving blocks (22), and the distance of the gap is smaller than the width of the stop block (31).

6. A pressure adjustable construction according to claim 5, characterised in that the width of the end of the break-apart piece (11) remote from the upper die holder (1) is smaller than the gap.

7. The pressure adjustable structure according to claim 1, characterized in that the cushion block (3) is connected with the upper die base (1) in a sliding manner, a second guide post (32) is fixedly connected to the cushion block (3), a second guide hole (12) for the second guide post (32) to pass through is formed in the upper die base (1), a second spring is sleeved on the second guide post (32), one end of the second spring is abutted to the cushion block (3), the other end of the second spring is abutted to the upper die base (1), and the second spring is always in a compressed state.

8. A pressure adjustable structure according to claim 1, characterized in that an upper mold (13) is fixedly connected to the bottom of the upper mold base (1), and the upper mold (13) is located between the two lower molds (21).

9. A pressure adjustable structure according to claim 8, characterized in that the upper mold (13) is provided with at least one through groove (131) along its length direction, and a heating pipe is embedded in the through groove (131).

10. The structure of claim 1, wherein the lower die base (2) is provided with third guiding pillars (24) at four corners, and the upper die base (1) is provided with third guiding holes (14) for the third guiding pillars (24) to pass through.