CN214184735U

CN214184735U - Bending die

Info

Publication number: CN214184735U
Application number: CN202022667272.0U
Authority: CN
Inventors: 段嘉庆; 郭全庆; 李智源
Original assignee: Xian Aircraft Industry Group Co Ltd
Current assignee: Xian Aircraft Industry Group Co Ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-09-14
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a bending die, including last mould and with last mould assorted lower mould, the bottom of lower mould is fixed with the base, and the top of base is fixed with the U-shaped mounting bracket, and the top thread tightening of U-shaped mounting bracket has the pneumatic cylinder, and the output bottom of pneumatic cylinder extends to in the U-shaped mounting bracket and fixed mounting has the movable plate, and movable plate slip cap is established on the U-shaped mounting bracket, and two fixed plates are all installed to the bottom of movable plate and the top fixed connection of last mould, the top both sides of lower mould. This application reasonable in design, convenient operation is convenient for carry out the fixed bending of centre gripping to sheet metal component or body, alleviates the decurrent impact force of mould at the in-process of bending, reaches the protection to the lower mould, and can adjust buffer spring's elasticity according to actual need, effectively cushions to the article homoenergetic of different materials.

Description

Bending die

Technical Field

The utility model relates to a sheet metal component, integrative mould technical field that bends of body especially relate to a mould of bending of sheet metal component, body.

Background

The mould, the industrial production is used for injecting plastics, blow molding, extruding, die-casting or forging and pressing to shape, smelt, various moulds and tools of the punching press, etc. to obtain the required products, in short, the mould is the tool used for shaping articles, this kind of tool is formed by various parts, different moulds are formed by different parts, it mainly realizes the processing of the article appearance through the change of the physical state of the shaping material, the existing sheet metal part, integrative bending mould of the tube body mainly comprises upper mould, spring, lower mould, locating piece and guide post, etc., send the plate or tube body between upper mould and lower mould, utilize V-shaped groove of the lower mould to cooperate with upper mould to make the plate or tube body bend and bend, there are springs on the guide post of the lower mould, when the compression moulding, prevent the upper and lower moulds from contacting rigidly, protect the lower mould.

But current sheet metal component, the integrative mould of bending of body is not convenient for adjust the elasticity size of spring, it is different to go up the decurrent impact force intensity of mould size to sheet metal component or its needs of body of different materials, and then the buffering dynamics that needs is different, if use during the harder spring of elasticity, under less impact force, then can not play fine buffering effect, if use during the softer spring of elasticity, under great impact force, can not play fine buffering effect equally, can not satisfy the user demand, therefore we have proposed a sheet metal component, the integrative mould of bending of body is used for solving above-mentioned problem.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing an integrated bending die for sheet metal parts and pipe bodies.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bending die comprises an upper die and a lower die matched with the upper die, wherein a base is fixedly installed at the bottom of the lower die, a U-shaped mounting frame is fixedly installed at the top of the base, a hydraulic cylinder is fixedly arranged on the top of the U-shaped mounting frame through threads, the bottom end of the output end of the hydraulic cylinder extends into the U-shaped mounting frame and is fixedly provided with a movable plate, the movable plate is sleeved on the U-shaped mounting frame in a sliding mode, the bottom of the movable plate is fixedly connected with the top of the upper die, two fixed plates are fixedly installed on two sides of the top of the lower die respectively, two clamping plates are arranged between the front and rear opposite fixed plates, the bottoms of the clamping plates are slidably installed with the top of the lower die, a T-shaped screw rod is rotatably installed on one side, close to the corresponding fixed plate, of the clamping plates are sleeved on the corresponding T-shaped screw rods through threads, and four first screw rods are fixedly installed between the top of the lower die and the inner wall of the U-shaped mounting frame, the upper die is provided with four rotating blocks, a first threaded hole is formed in the top of each rotating block, the first threaded hole is in threaded connection with a corresponding first screw, an annular groove with the top arranged for an opening is formed in the side wall of each first threaded hole, a vertical pipe is sleeved in the annular groove in a rotating mode, the top of each vertical pipe extends to the top of the corresponding rotating block, a moving block is fixedly mounted on the top of the moving block and the bottom of the upper die, a buffer spring is fixedly mounted between the top of the moving block and the bottom of the upper die, the buffer spring is movably sleeved on the corresponding first screw, a first through hole is formed in the top of the moving block, the first screw is located in the corresponding first through hole, first sliding blocks are fixedly mounted on the inner walls of the two sides of the first through hole, first sliding grooves are formed in the two sides of the first screw, the same positioning rod is fixedly mounted between the inner wall of the top of the first sliding groove and the inner wall of the bottom of the first sliding block, and the first sliding blocks are sleeved on the corresponding positioning rods.

Preferably, a bearing is fixedly sleeved in the annular groove, and an inner ring of the bearing is fixedly sleeved with the outer side of the corresponding vertical pipe.

Preferably, the first screws are located in the corresponding vertical pipes, and the side walls of the vertical pipes are not in contact with the outer sides of the corresponding first screws.

Preferably, four second sliding grooves are formed in the top of the lower die, a second sliding block is fixedly mounted at the bottom of the clamping plate, and the second sliding block is connected with the corresponding second sliding grooves in a sliding mode.

Preferably, one side of the fixing plate is provided with a second threaded hole, and the second threaded hole is in threaded connection with the corresponding T-shaped screw.

Preferably, the bottom of the moving block is movably contacted with the top of the corresponding rotating block.

Preferably, the anti-skid rubber is fixedly bonded on one side of each of the two clamping plates close to each other.

Compared with the prior art, the beneficial effects of the utility model are that:

through the matching of the U-shaped mounting rack, the moving plate, the hydraulic cylinder, the upper die, the lower die, the first screw rod, the buffer spring, the rotating block, the annular groove, the vertical pipe, the moving block, the first sliding groove, the positioning rod, the first sliding block, the fixing plate and the T-shaped screw rod with the clamping plates, when a sheet metal part or a pipe fitting needs to be bent, the sheet metal part is placed between the two corresponding clamping plates, the T-shaped bolt is rotated in the forward direction, the T-shaped bolt rotates and drives the clamping plates to move in the direction close to the sheet metal part and clamp and fix the sheet metal part, then the hydraulic cylinder is started in the forward direction to drive the upper die to move downwards through the moving plate to compress the four buffer springs, the upper die moves downwards to perform stamping bending on the sheet metal part, under the elastic force of the buffer springs, the buffer of the upper die in the downward stamping process is completed, the rigid impact between the upper die and the lower die is avoided, when the elastic force of the buffer springs is soft, the positive rotation turning block, the turning block pivoted in time and drive the standpipe rebound through the bearing that corresponds, the standpipe drives the movable block rebound that corresponds and compresses buffer spring, rotate other turning block on the same principle, make four buffer spring do not be in just before the buffering in slightly compressing or half compression state, make its compression stroke shorten, and buffer spring that is in compression state is to the obvious grow of the damping elasticity of mould, thereby reach the elasticity of adjusting buffer spring, thereby can effectively alleviate the downward impact force degree of mould in the vibrations according to the size of impact force.

The utility model relates to a rationally, convenient operation is convenient for carry out the fixed bending of centre gripping to sheet metal component or body, is convenient for alleviate the decurrent impact force of cope match-plate pattern at the in-process of bending, reaches the protection to the lower mould, and is convenient for adjust buffer spring's elasticity according to actual need, and then reaches and can be applicable to the effective buffering of the article homoenergetic to different materials, is favorable to using.

Drawings

FIG. 1 is a schematic cross-sectional view of a bending die;

fig. 2 is a schematic structural view of part a of the bending die;

fig. 3 is a schematic side view of the lower mold, the fixing plate, the T-shaped screw and the clamping plate connector.

The numbering in the figures illustrates: 1. a U-shaped mounting bracket; 2. moving the plate; 3. a hydraulic cylinder; 4. an upper die; 5. a lower die; 6. a first screw; 7. a buffer spring; 8. rotating the block; 9. an annular groove; 10. a vertical tube; 11. a moving block; 12. a first chute; 13. positioning a rod; 14. a first slider; 15. a fixing plate; 16. a T-shaped screw; 17. and (4) clamping the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a sheet metal part and pipe body integrated bending die comprises an upper die 4 and a lower die 5 matched with the upper die 4, wherein a base is fixedly installed at the bottom of the lower die 5, a U-shaped mounting frame 1 is fixedly installed at the top of the base, a hydraulic cylinder 3 is fixedly arranged on the top of the U-shaped mounting frame 1 through threads, the bottom end of the output end of the hydraulic cylinder 3 extends into the U-shaped mounting frame 1 and is fixedly installed with a movable plate 2, the movable plate 2 is slidably sleeved on the U-shaped mounting frame 1, the bottom of the movable plate 2 is fixedly connected with the top of the upper die 4, two fixing plates 15 are fixedly installed on two sides of the top of the lower die 5, two clamping plates 17 are arranged between the front and rear opposite fixing plates 15, the bottom of the clamping plate 17 is slidably installed with the top of the lower die 5, a T-shaped screw 16 is rotatably installed on one side of the clamping plate 17 close to the corresponding fixing plate 15, the fixing plate 15 is sleeved on the corresponding T-shaped screw 16 through threads, four first screw rods 6 are fixedly arranged between the top of the lower die 5 and the inner wall of the top of the U-shaped mounting frame 1, four rotating blocks 8 are arranged above the lower die 5, first threaded holes are formed in the tops of the rotating blocks 8, the first threaded holes are in threaded connection with the corresponding first screw rods 6, annular grooves 9 with openings at the tops are formed in the side walls of the first threaded holes, vertical tubes 10 are rotatably sleeved in the annular grooves 9, the top ends of the vertical tubes 10 extend to the tops of the corresponding rotating blocks 8 and are fixedly provided with moving blocks 11, buffer springs 7 are fixedly arranged between the tops of the moving blocks 11 and the bottoms of the upper dies 4, the buffer springs 7 are movably sleeved on the corresponding first screw rods 6, first through holes are formed in the tops of the moving blocks 11, the first screw rods 6 are located in the corresponding first through holes, first slide blocks 14 are fixedly arranged on the inner walls of the two sides of the first through holes, first slide grooves 12 are formed in the two sides of the first screw rods 6, fixed mounting has same locating lever 13 between the top inner wall of first spout 12 and the bottom inner wall, and 14 sliding sleeve of first slider establish on corresponding locating lever 13, the utility model relates to a rationally, convenient operation is convenient for carry out the fixed bending of centre gripping to sheet metal component or body, is convenient for alleviate the decurrent impact force of mould 4 at the in-process of bending, reaches the protection to lower mould 5, and is convenient for adjust buffer spring 7's elasticity according to actual need, and then reaches and can be applicable to the article homoenergetic effective buffering to different materials, is favorable to using.

In the utility model, the ring-shaped groove 9 is internally fixed with a bearing, the inner ring of the bearing is fixedly sleeved with the outer side of the corresponding vertical pipe 10, the first screw rod 6 is positioned in the corresponding vertical pipe 10, the side wall of the vertical pipe 10 is not contacted with the outer side of the corresponding first screw rod 6, the top of the lower die 5 is provided with four second chutes, the bottom of the clamping plate 17 is fixedly provided with a second slider which is connected with the corresponding second chute in a sliding way, one side of the fixed plate 15 is provided with a second threaded hole which is connected with the corresponding T-shaped screw rod 16 in a threaded way, the bottom of the movable block 11 is movably contacted with the top of the corresponding rotating block 8, one side of the two clamping plates 17 which are close to each other is fixedly bonded with an anti-skid rubber sheet, the utility model has reasonable design and convenient operation, is convenient for clamping, fixing and bending the sheet metal part or the pipe body, and is convenient for relieving the downward impact force of the upper die 4 in the bending process, reach the protection to lower mould 5, and be convenient for adjust buffer spring 7's elasticity according to actual need, and then reach and can be applicable to the effective buffering of the article homoenergetic of different materials, be favorable to using.

The working principle is as follows: when the device is used, when a sheet metal part or a pipe fitting needs to be bent, the sheet metal part is placed between two corresponding clamping plates 17, the T-shaped bolt 16 is rotated in the forward direction, the T-shaped bolt 16 rotates and drives the clamping plates 17 to move under the action of a second threaded hole formed in one side of the fixing plate 15, the clamping plates 17 move towards the direction close to the sheet metal part at the top of the upper die 5 and clamp and fix the sheet metal part, then the hydraulic cylinder 3 is started in the forward direction, the output shaft of the hydraulic cylinder 3 drives the movable plate 2 to move downwards, the movable plate 2 drives the upper die 4 to move downwards, the upper die 4 compresses the four buffer springs 7 while moving downwards, the upper die 4 moves downwards to punch the sheet metal part simultaneously, so that the sheet metal part is bent, and meanwhile, under the elastic force action of the buffer springs 7, the buffer of the upper die 4 in the downward punching process is completed, and the rigid impact between the upper die 4 and the lower die 5 is avoided, the impact force is relieved;

when the elastic force of the buffer springs 7 is soft, the rotating block 8 is rotated in the forward direction, under the action of a first threaded hole formed in the top of the rotating block 8, the rotating block 8 rotates and moves in position at the same time, the rotating block 8 drives a vertical pipe 10 to move upwards through a corresponding bearing, the vertical pipe 10 drives a corresponding moving block 11 to move upwards, the moving block 11 drives a corresponding first sliding block 14 to slide on a positioning rod 13, the moving block 11 compresses the corresponding buffer spring 7 while moving upwards, the other rotating block 8 is rotated in the same way, so that the four buffer springs 7 are in a slightly compressed or semi-compressed state before being buffered, the compression stroke of the four buffer springs is shortened, the damping elastic force of the buffer springs 7 in the compressed state on the upper die 4 is obviously increased, the initial compression degree of the buffer springs 7 can be adjusted according to actual needs, and the elastic force of the buffer springs 7 can be adjusted, and then reach and can be applicable to the effective buffering of the article homoenergetic to different materials.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The bending die comprises an upper die (4) and a lower die (5) matched with the upper die (4), and is characterized in that a base is fixedly mounted at the bottom of the lower die (5), a U-shaped mounting frame (1) is fixedly mounted at the top of the base, a hydraulic cylinder (3) is fixedly arranged on the top of the U-shaped mounting frame (1), a movable plate (2) is fixedly mounted in the U-shaped mounting frame (1) at the bottom of the output end of the hydraulic cylinder (3), the movable plate (2) is slidably sleeved on the U-shaped mounting frame (1), the bottom of the movable plate (2) is fixedly connected with the top of the upper die (4), two fixed plates (15) are fixedly mounted on two sides of the top of the lower die (5), two clamping plates (17) are arranged between the two fixed plates (15) which are opposite to each other in front and back, the bottom of each clamping plate (17) is slidably mounted with the top of the lower die (5), a T-shaped screw (16) is rotatably mounted on one side, which is close to the corresponding fixed plate (17), the fixed plate (15) is sleeved on the corresponding T-shaped screw (16) in a threaded manner, four first screws (6) are fixedly installed between the top of the lower die (5) and the inner wall of the top of the U-shaped mounting rack (1), four rotating blocks (8) are arranged above the lower die (5), first threaded holes are formed in the tops of the rotating blocks (8), the first threaded holes are in threaded connection with the corresponding first screws (6), annular grooves (9) with openings at the tops are formed in the side walls of the first threaded holes, vertical pipes (10) are rotatably sleeved in the annular grooves (9), the top ends of the vertical pipes (10) extend to the tops of the corresponding rotating blocks (8) and are fixedly provided with moving blocks (11), buffer springs (7) are fixedly installed between the tops of the moving blocks (11) and the bottoms of the upper dies (4), and the buffer springs (7) are movably sleeved on the corresponding first screws (6), first through holes are formed in the top of the moving block (11), the first screw rods (6) are located in the corresponding first through holes, first sliding blocks (14) are fixedly mounted on the inner walls of the two sides of the first through holes, first sliding grooves (12) are formed in the two sides of the first screw rods (6), the same positioning rod (13) is fixedly mounted between the inner wall of the top of each first sliding groove (12) and the inner wall of the bottom of each first sliding groove, and the first sliding blocks (14) are slidably sleeved on the corresponding positioning rods (13).

2. Bending die according to claim 1, wherein bearings are fixedly sleeved in the annular grooves (9), and inner rings of the bearings are fixedly sleeved with outer sides of the corresponding vertical tubes (10).

3. Bending die according to claim 1, wherein the first screws (6) are located inside the corresponding vertical tubes (10), and the side walls of the vertical tubes (10) are not in contact with the outer sides of the corresponding first screws (6).

4. The bending die according to claim 1, wherein four second sliding grooves are formed in the top of the lower die (5), a second sliding block is fixedly mounted at the bottom of the clamping plate (17), and the second sliding block is slidably connected with the corresponding second sliding grooves.

5. The bending die according to claim 1, wherein a second threaded hole is formed in one side of the fixing plate (15), and the second threaded hole is in threaded connection with the corresponding T-shaped screw (16).

6. Bending die according to claim 1, wherein the bottom of the moving block (11) is in movable contact with the top of the corresponding rotating block (8).

7. The bending die according to claim 1, wherein the side of each of the two clamping plates (17) close to each other is fixedly bonded with an anti-slip rubber.