CN220049615U

CN220049615U - Prevent return bend punching machine of skew

Info

Publication number: CN220049615U
Application number: CN202321201153.3U
Authority: CN
Inventors: 张立; 张波; 黄琴
Original assignee: Xiangyang Yongcheng Machinery Manufacturing Co ltd
Current assignee: Xiangyang Yongcheng Machinery Manufacturing Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-11-21
Anticipated expiration: 2033-05-18

Abstract

The utility model discloses an offset-preventing elbow punching machine, which comprises a base of a punching machine, wherein an operation table is fixedly arranged at the top of the base, a bottom groove is formed in the top of the operation table, a pressing plate is arranged at the top of the operation table, four supporting columns penetrate around the pressing plate, a top plate is fixedly arranged at the top of each supporting column, a hydraulic cylinder is fixedly arranged at the bottom center of each top plate, a pressing rod is fixedly arranged at the bottom of each hydraulic cylinder, a punching block is fixedly arranged at the bottom of each supporting column, and a punching groove is formed in the center of each pressing plate in the direction close to the corresponding punching block.

Description

Prevent return bend punching machine of skew

Technical Field

The utility model belongs to the technical field of stamping, and particularly relates to an offset-preventing elbow stamping machine.

Background

The punching machine is also called a punching machine, mainly performs punching operation on a plate, can perform blanking, punching, forming, deep drawing, trimming, fine punching, shaping, riveting, extrusion and the like through a die, and is widely applied to various fields. When stamping a metal plate, a proper die is required to be selected according to production requirements for operation, and metal scraps are prevented from cracking in the operation process.

For example, application number 202222869227.2, the present utility model discloses a press for metal forming, comprising: the machine body, the upper end of machine body is provided with the equipment compartment, the middle part of machine body is provided with the workstation, the mould groove has been seted up to the upper end surface of workstation, the pneumatic cylinder is installed through the bolt to the inside of equipment compartment, the flexible end of pneumatic cylinder prescribes to have the depression bar, and the flexible end of pneumatic cylinder runs through to the lower extreme outer wall of equipment compartment. This punching machine for metal forming is provided with the mould groove, and it is used for settling the mould of different specifications and size, and the staff of being convenient for places different moulds according to the operation demand of metalwork punching press and carries out punching press operation, and different moulds are fixed through the centre gripping of backing plate and splint in the mould groove, through setting up the adjustment of the fixed position of backing plate and splint of different quantity, can make the mould be in the central point of mould groove, do not influence the precision of punching press operation for this punching machine suitability under the different operation demands is better.

Based on the above-mentioned retrieval of patent to and combining prior art equipment discovery, this punching machine is provided with the mould groove, and it is used for settling the mould of different specifications and size, and the staff of being convenient for places different moulds and carries out punching operation according to the operation demand of metalwork punching press, and different moulds are fixed through the centre gripping of backing plate and splint in the mould groove, but this punching machine does not set up the part that carries out spacing and prevent the skew to the mould, causes mould skew and perk easily, and this punching machine does not set up the jack-up part simultaneously, can't jack-up the mould of accomplishing to punching press and take out.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides an offset-preventing elbow punching machine, which has the advantages of simple operation, safety and practicability, and solves the problems that the existing punching machine is not provided with a part for limiting a die and preventing offset, the die is easy to offset and tilt, and the punching machine is not provided with a jacking part and cannot jack up and take out the die after punching.

The utility model discloses an offset-preventing elbow punching machine, which comprises a base of the punching machine, wherein an operation table is fixedly arranged at the top of the base, a bottom groove is formed in the top of the operation table, a pressing plate is arranged at the top of the operation table, four supporting columns penetrate through the periphery of the pressing plate, a top plate is fixedly arranged at the top of each supporting column, a hydraulic cylinder is fixedly arranged at the center of the bottom of the top plate, a pressing rod is fixedly arranged at the bottom of each hydraulic cylinder, a punching block is fixedly arranged at the bottom of each supporting column, and a punching groove is formed in the direction of the center of the pressing plate, which is close to the punching block.

As the preferable mode of the utility model, the bottom of the bottom groove is penetrated with a limit groove, the bottom of the limit groove is fixedly provided with a limit spring, and the top of the limit spring is fixedly provided with a push rod.

As the preferable mode of the utility model, the two sides of the top of the pressing plate are fixedly provided with the supporting plates, the top of the supporting plates is fixedly provided with the telescopic rod, the top of the telescopic rod is fixedly provided with the air cylinder, and the air cylinder is fixedly connected with the top plate.

As preferable mode of the utility model, the bottom of the stamping block is fixedly provided with a buffer cushion.

As the preferable mode of the utility model, after the ejector rod completely compresses the limiting spring, the highest point of the ejector rod is lower than the top of the limiting groove, and the top of the ejector rod is arc-shaped.

As a preferable mode of the utility model, the clamping groove is formed in the direction of the pressing plate close to the bottom groove.

Preferably, the bottom of the bottom groove is arc-shaped.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the matched use of the base, the operation table, the bottom groove, the pressing plate, the support column, the top plate, the hydraulic cylinder, the pressing rod, the punching block and the punching groove, the die is firstly placed on the operation table, the pressing plate is placed on the die through the support column, then the hydraulic rod is started to enable the pressing rod to drive the punching block to punch the die, after the punching is completed, the cylinder is started to enable the telescopic rod to drive the pressing plate to ascend, meanwhile, the limiting spring drives the ejector rod to jack the die, and then the die after the punching is taken out, so that the problems that the existing punching machine is not provided with a part for limiting the die and preventing offset, the die is easy to offset and tilt, and meanwhile, the punching machine is not provided with a jacking part and cannot jack the die after the punching is completed are solved.

2. According to the utility model, the limiting groove penetrates through the bottom of the bottom groove, the limiting spring is fixedly arranged at the bottom of the limiting groove, the ejector rod is fixedly arranged at the top of the limiting spring, the limiting spring drives the ejector rod to jack up the die after stamping is finished, and then the die after stamping is taken out.

3. According to the utility model, the supporting plates are fixedly arranged on two sides of the top of the pressing plate, the telescopic rods are fixedly arranged on the top of the supporting plates, the air cylinders are fixedly connected with the top plate, and the air cylinders are started before punching to drive the supporting plates to move by the telescopic rods, so that the positions of the pressing plates and the dies are limited, the dies are prevented from being deviated, and when the air cylinders are started again after the punching is finished, the pressing plates can slide upwards through the supporting columns, and the dies are conveniently taken out from the bottom grooves.

4. According to the utility model, the buffer cushion is fixedly arranged at the bottom of the stamping block, so that the phenomenon that the stamping block causes impact force concentration on the die to cause die breakage in the stamping process and influence on the work of the stamping machine can be prevented.

5. According to the utility model, the highest point of the ejector rod is lower than the top of the limit groove after the ejector rod completely compresses the limit spring, and the top of the ejector rod is arc-shaped, so that the ejector rod can be ensured to stretch into the limit groove after stamping, and the damage of the ejector rod to the bottom of the die in the stamping process is prevented.

6. According to the clamping groove, the clamping groove is formed in the direction, close to the bottom groove, of the pressing plate, so that the pressing plate can be used for clamping and limiting the die.

7. According to the utility model, the bottom of the bottom groove is arc-shaped, so that the contact point between the die and the bottom groove can be gentle when the die is stamped, and the die is prevented from being broken after the die touches the bottom groove.

Drawings

FIG. 1 is a schematic view of an isometric structure provided by an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;

fig. 3 is a perspective view of a pressing plate according to an embodiment of the present utility model.

In the figure: 1. a base; 2. an operation table; 3. a bottom groove; 4. a pressing plate; 5. a support column; 6. a top plate; 7. a hydraulic cylinder; 8. a compression bar; 9. stamping blocks; 10. stamping a groove; 21. a limit groove; 22. a limit spring; 23. a push rod; 31. a support plate; 32. a telescopic rod; 33. a cylinder; 41. a cushion pad; 61. a clamping groove.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, the offset-preventing elbow punching machine provided by the embodiment of the utility model comprises a base 1 of the punching machine, an operation table 2 is fixedly arranged at the top of the base 1, a bottom groove 3 is formed in the top of the operation table 2, a pressing plate 4 is arranged at the top of the operation table 2, four support columns 5 penetrate through the periphery of the pressing plate 4, a top plate 6 is fixedly arranged at the top of the support columns 5, a hydraulic cylinder 7 is fixedly arranged at the center of the bottom of the top plate 6, a pressing rod 8 is fixedly arranged at the bottom of the hydraulic cylinder 7, a pressing block 9 is fixedly arranged at the bottom of the support columns 5, and a pressing groove 10 is formed in the direction of the center of the pressing plate 4, which is close to the pressing block 9.

Referring to fig. 2, a limiting groove 21 penetrates through the bottom of the bottom groove 3, a limiting spring 22 is fixedly arranged at the bottom of the limiting groove 21, and a push rod 23 is fixedly arranged at the top of the limiting spring 22.

The scheme is adopted: through setting up the kerve 3 bottom and running through there is spacing groove 21, spacing groove 21 bottom has set firmly spacing spring 22, and spacing spring 22 top has set firmly ejector pin 23, and spacing spring 22 drives ejector pin 23 after the punching press is accomplished and makes the mould jack-up, then takes out the mould that the punching press was accomplished.

Referring to fig. 1, support plates 31 are fixedly arranged on two sides of the top of the pressing plate 4, telescopic rods 32 are fixedly arranged on the tops of the support plates 31, air cylinders 33 are fixedly arranged on the tops of the telescopic rods 32, and the air cylinders 33 are fixedly connected with the top plate 6.

The scheme is adopted: through setting up clamp plate 4 top both sides and having set firmly backup pad 31, backup pad 31 top has set firmly telescopic link 32, telescopic link 32 top has set firmly cylinder 33, cylinder 33 and roof 6 fixed connection, start cylinder 33 before the punching press makes telescopic link 32 drive backup pad 31 remove, makes clamp plate 4 inject the mould position, prevents that the skew from appearing in the mould, starts cylinder 33 once more after the punching press is accomplished, can make clamp plate 4 slide through support column 5 and move up, is convenient for take out the mould from the undercut 3.

Referring to fig. 2, a cushion 41 is fixedly arranged at the bottom of the punching block 9.

The scheme is adopted: through setting up the blotter 41 that has set firmly of punching press piece 9 bottom, can prevent that punching press piece 9 from concentrating the impact force that causes the mould to lead to the mould to break in the punching process, influence punching machine work.

Referring to fig. 2, after the ejector rod 23 completely compresses the limiting spring 22, the highest point of the ejector rod 23 is lower than the top of the limiting groove 21, and the top of the ejector rod 23 is arc-shaped.

The scheme is adopted: through setting up ejector pin 23 after compressing spacing spring 22 completely, the highest point of ejector pin 23 is less than spacing groove 21 top, and the top of ejector pin 23 is circular arc type, can ensure that after the punching press ejector pin 23 can stretch into spacing groove 21, prevents that ejector pin 23 from causing the damage to the mould bottom in the punching press process.

Referring to fig. 3, the pressing plate 4 is provided with a clamping groove 61 near the bottom groove 3.

The scheme is adopted: by providing the clamping groove 61 in the direction of the pressing plate 4 close to the bottom groove 3, the clamping limit of the pressing plate 4 on the die can be ensured.

Referring to fig. 2, the bottom of the bottom groove 3 is arc-shaped.

The scheme is adopted: the bottom of the bottom groove 3 is arc-shaped, so that the contact point between the die and the bottom groove 3 can be gentle during die stamping, and die breakage caused by the die touching the bottom groove 3 is prevented.

The working principle of the utility model is as follows:

when the die is used, the die is firstly placed on the operation table 2, the telescopic rod 32 is driven by the starting cylinder 33 before stamping to move the supporting plate 31, the position of the die is limited by the pressing plate 4, the die is prevented from being deviated, then the hydraulic rod 8 is started, the pressing rod 8 drives the pressing block 9 to punch the die, the cylinder 33 is started again after the stamping is finished, the pressing plate 4 can slide upwards through the supporting column 5, meanwhile, the ejector rod 23 is driven by the limiting spring 22 to jack up the die, and finally the die after the stamping is finished is taken out.

To sum up: this prevent return bend punching machine of skew uses through setting up base 1, operation panel 2, kerve 3, clamp plate 4, support column 5, roof 6, pneumatic cylinder 7, depression bar 8, punching press piece 9 and the cooperation of punching press groove 10, has solved current punching machine and has not set up the part that carries out spacing and prevent the skew to the mould, causes mould skew and perk easily, and this punching machine does not set up the jacking part simultaneously, can't jack-up the problem of taking out to the mould that the punching press was accomplished.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An offset-preventing elbow press, comprising a base (1) of the press, characterized in that: the utility model discloses a base, including base (1), base, clamp plate (4), push rod (7), push rod (8) have been set firmly at base (1) top, kerve (3) have been seted up at base (2) top, base (2) top is equipped with clamp plate (4), four support column (5) have been run through all around to clamp plate (4), roof (6) have been set firmly at support column (5) top, pneumatic cylinder (7) have been set firmly at roof (6) bottom center, depression bar (8) have been set firmly at pneumatic cylinder (7) bottom, punch block (9) have been set firmly at support column (5) bottom, punch groove (10) have been seted up near the direction of punch block (9) in clamp plate (4) center.

2. The offset preventing elbow press as set forth in claim 1, wherein: the bottom of the bottom groove (3) is penetrated with a limit groove (21), the bottom of the limit groove (21) is fixedly provided with a limit spring (22), and the top of the limit spring (22) is fixedly provided with a push rod (23).

3. The offset preventing elbow press as set forth in claim 1, wherein: the two sides of the top of the pressing plate (4) are fixedly provided with supporting plates (31), the tops of the supporting plates (31) are fixedly provided with telescopic rods (32), the tops of the telescopic rods (32) are fixedly provided with air cylinders (33), and the air cylinders (33) are fixedly connected with the top plate (6).

4. The offset preventing elbow press as set forth in claim 1, wherein: and a buffer cushion (41) is fixedly arranged at the bottom of the stamping block (9).

5. The offset preventing elbow press as set forth in claim 2, wherein: the highest point of the ejector rod (23) is lower than the top of the limiting groove (21) after the ejector rod (23) completely compresses the limiting spring (22), and the top of the ejector rod (23) is arc-shaped.

6. The offset preventing elbow press as set forth in claim 1, wherein: the clamping groove (61) is formed in the direction of the pressing plate (4) close to the bottom groove (3).

7. The offset preventing elbow press as set forth in claim 1, wherein: the bottom of the bottom groove (3) is arc-shaped.