阅读说明：本技术 一种汽车生产用冲压模具反向斜楔改进机构 (Reverse wedge improvement mechanism of stamping die for automobile production ) 是由 王强 范斌 李栋 汪军 王世民 于 2020-11-13 设计创作，主要内容包括：本发明公开了一种汽车生产用冲压模具反向斜楔改进机构,涉及冲压模具技术领域。包括斜楔机构上模座和斜楔机构下模座,斜楔机构上模座包括第一驱动块,斜楔机构下模座包括第二驱动块,第二驱动块的底部设置有横向块。该汽车生产用冲压模具反向斜楔改进机构,通过设置斜楔机构上模座和斜楔机构下模座,在第一驱动块、第二驱动块、横向块、氮气弹簧和主滑块的配合使用下,便于在使用的过程中主滑块回程通过氮气弹簧主动复位装置进行复位,完成冲压过程,使斜楔机构下模座回程的冲击力与氮气弹簧件向下的弹力抵消,提高了该冲压模具的使用寿命以及保证该斜楔改进机构运行的稳定性,有效地减少了汽车复杂冲压件的模具成型工序。(The invention discloses a reverse wedge improved mechanism of a stamping die for automobile production, and relates to the technical field of stamping dies. The wedge mechanism comprises an upper die holder of a wedge mechanism and a lower die holder of the wedge mechanism, wherein the upper die holder of the wedge mechanism comprises a first driving block, the lower die holder of the wedge mechanism comprises a second driving block, and a transverse block is arranged at the bottom of the second driving block. This reverse slide wedge of stamping die improves mechanism for automobile production, through setting up slide wedge mechanism upper die base and slide wedge mechanism die holder, at first drive block, the second drive block, horizontal piece, under the cooperation of nitrogen spring and main slider is used, be convenient for reset through nitrogen spring initiative resetting means at the in-process main slider return stroke of using, accomplish stamping process, make the impact force of slide wedge mechanism die holder return stroke offset with the decurrent elasticity of nitrogen spring part, this stamping die's life has been improved and the stability of this slide wedge improvement mechanism operation has been guaranteed, the mould shaping process of the complicated stamping workpiece of car has been reduced effectively.)

1. The utility model provides a reverse slide wedge of stamping die improves mechanism for automobile production, includes slide wedge mechanism upper die base (1) and slide wedge mechanism die holder (2), its characterized in that: the wedge mechanism upper die base (1) comprises a first driving block (101), the wedge mechanism lower die base (2) comprises a second driving block (21), a transverse block (3) is arranged at the bottom of the second driving block (21), a main sliding block (5) is arranged on one side of the top of the second driving block (21), and a nitrogen spring (4) is arranged on the side face of the transverse block (3).

2. The reverse wedge improving mechanism of the stamping die for automobile production according to claim 1, characterized in that: one side of the inner wall of the lower die holder (2) of the wedge mechanism is provided with a limiting block (6), and one side face of the second driving block (21) is provided with a limiting groove matched with the limiting block (6).

3. The reverse wedge improving mechanism of the stamping die for automobile production according to claim 1, characterized in that: the working angle of the second driving block (21) ranges from thirty degrees to ninety degrees, and the working angle of the main sliding block (5) ranges from twenty degrees to one hundred degrees.

4. The reverse wedge improving mechanism of the stamping die for automobile production according to claim 1, characterized in that: and the second driving block (21), the transverse block (3) and the main sliding block (5) are movably arranged in the lower die base (2) of the wedge mechanism.

5. The reverse wedge improving mechanism of the stamping die for automobile production according to claim 1, characterized in that: and one end of the nitrogen spring (4) far away from the transverse block (3) is arranged on the inner side surface of the lower die seat (2) of the wedge mechanism.

Technical Field

The invention relates to the technical field of stamping dies, in particular to a reverse wedge improved mechanism of a stamping die for automobile production.

Background

In the manufacturing of a stamping die, side shaping contents of various complex positions on the surface of a product are often encountered, the selection of a side shaping mode and an angle is strictly performed according to requirements of stamping manufacturing and design production, the use of a traditional hoisting wedge mechanism or a forward-installed wedge mechanism for side punching holes in special positions of certain products is far from sufficient, and according to the current automobile stamping die industry, external parts such as automobile side walls, top covers or back door inner plates are large in size and complex in product structure, and for the side shaping of the products in some special positions, a corresponding reverse wedge mechanism needs to be designed by combining a specific die structure in a side shaping process.

In the production process of stamping parts, the die usually adopts PVCC120-35.2 or the same type reverse wedge mechanism, so that the downward driving force generates upward acting force, and the flanging or punching action can be completed in a smaller die space. However, when the structure is used, the problems that the driving limiting block restricts the loosening of the bolt and the limiting block deforms and is damaged can occur, the lower die driving block can pop up seriously to cause production stop, and if the driving limiting block is not found timely, the die can be seriously damaged to cause production disturbance, so that the reverse wedge improvement mechanism of the stamping die for automobile production is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a reverse wedge improved mechanism of a stamping die for automobile production, which has the advantages of reducing the impact of the return force of the reverse wedge mechanism on a driving limiting block during working, avoiding the locking bolt loosening of the driving limiting block of the reverse wedge mechanism, the deformation and the damage of the limiting block and the like during production, and solving the problem of general use effect of the reverse wedge improved mechanism of the stamping die of the prior stamping die.

In order to achieve the purposes of reducing the impact of the return force on the driving limiting block when the reverse wedge mechanism works and avoiding the locking bolt loosening and the deformation and damage of the limiting block when the reverse wedge mechanism drives the limiting block in production, the invention provides the following technical scheme: the utility model provides a reverse slide wedge of stamping die improves mechanism for automobile production, includes slide wedge mechanism upper die base and slide wedge mechanism die holder, slide wedge mechanism upper die base includes first drive block, slide wedge mechanism die holder includes the second drive block, the bottom of second drive block is provided with horizontal piece, one side that the top of second drive block was provided with is provided with main slider, the side of horizontal piece is provided with nitrogen spring.

As a preferred technical scheme of the invention, one side of the inner wall of the lower die holder of the wedge mechanism is provided with a limiting block, and one side of the second driving block is provided with a limiting groove matched with the limiting block.

As a preferred technical solution of the present invention, the working angle of the second driving block ranges between thirty degrees and ninety degrees, and the working angle of the main slider ranges between twenty degrees and one hundred degrees.

As a preferable technical scheme of the invention, the second driving block, the transverse block and the main sliding block are movably arranged in the lower die seat of the wedge mechanism.

As a preferable technical scheme of the invention, one end of the nitrogen spring, which is far away from the transverse block, is arranged on the inner side surface of the lower die seat of the wedge mechanism.

Compared with the prior art, the invention provides a reverse wedge improved mechanism of a stamping die for automobile production, which has the following beneficial effects:

1. this reverse slide wedge of stamping die improves mechanism for automobile production, through setting up slide wedge mechanism upper die base and slide wedge mechanism die holder, at first drive block, the second drive block, horizontal piece, under the cooperation of nitrogen spring and main slider is used, be convenient for reset through nitrogen spring initiative resetting means at the in-process main slider return stroke of using, accomplish stamping process, make the impact force of slide wedge mechanism die holder return stroke offset with the decurrent elasticity of nitrogen spring part, this stamping die's life has been improved and the stability of this slide wedge improvement mechanism operation has been guaranteed, the mould shaping process of the complicated stamping workpiece of car has been reduced effectively.

2. This reverse slide wedge of stamping die improves mechanism for automobile production through setting up stopper and spacing groove, the setting of stopper has reduced the impact of the return stroke power of second drive block in the use to reduced the stopper and damaged the problem unusually, thereby eliminated the effect of return stroke impact force to reverse slide wedge, optimized the result of use of slide wedge mechanism upper die base.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the lower die holder of the wedge mechanism of the present invention.

In the figure: 1. an upper die holder of the wedge mechanism; 2. a lower die holder of the wedge mechanism; 21. a second driving block; 3. a transverse block; 4. a nitrogen spring; 5. a main slider; 6. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the invention discloses a reverse wedge improved mechanism of a stamping die for automobile production, which comprises an upper die holder 1 of a wedge mechanism and a lower die holder 2 of the wedge mechanism, wherein the upper die holder 1 of the wedge mechanism comprises a first driving block 101, the lower die holder 2 of the wedge mechanism comprises a second driving block 21, a transverse block 3 is arranged at the bottom of the second driving block 21, a main sliding block 5 is arranged on one side of the top of the second driving block 21, and a nitrogen spring 4 is arranged on the side of the transverse block 3.

Specifically, a limiting block 6 is arranged on one side of the inner wall of the lower die holder 2 of the wedge mechanism, and a limiting groove matched with the limiting block 6 is formed in one side face of the second driving block 21.

In this embodiment, the setting of the limiting block 6 reduces the impact of the return force of the second driving block 21 in the using process, thereby reducing the problem of abnormal damage of the limiting block 6.

Specifically, the working angle of the second driving block 21 ranges from thirty degrees to ninety degrees, and the working angle of the main slider 5 ranges from twenty degrees to one hundred degrees; and the second driving block 21, the transverse block 3 and the main sliding block 5 are movably arranged in the lower die holder 2 of the wedge mechanism.

In this embodiment, under the cooperation of first drive block 101, second drive block 21, horizontal piece 3, nitrogen spring 4 and main slider 5, the in-process main slider 5 return stroke of being convenient for using resets through nitrogen spring 4 initiative resetting means, accomplishes the punching press process, makes the impact force of slide wedge mechanism die holder 2 return stroke offset with the downward elasticity of nitrogen spring 4.

Specifically, one end of the nitrogen spring 4, which is far away from the transverse block 3, is arranged on the inner side surface of the lower die holder 2 of the wedge mechanism.

In this embodiment, the setting of nitrogen spring 4 is showing and is reducing mould manufacturing cost, and the main improvement direction of the stamping efficiency that has improved complicated automobile punching part is in order to eliminate the effect of return stroke impact force to reverse slide wedge, has optimized the structure of reverse slide wedge upper die portion.

The working principle and the using process of the invention are as follows: when the device is used, the first driving block piece 101 of the mounting part of the upper die holder 1 of the wedge mechanism applies downward acting force to the second driving block piece 21 of the lower die holder 2 of the wedge mechanism, the second driving block 21 in the lower die holder 2 of the wedge mechanism runs downward to push the transverse block 3 to move rightwards, the nitrogen spring 4 is stressed and compressed at the moment, the main sliding block 5 moves upwards, after the work is completed, the first driving block 101 of the upper die holder 1 of the wedge mechanism runs upwards, the downward acting force disappears, the nitrogen spring 4 generates return force to push the second driving block 21 to run leftwards, the transverse block 3 pushes the second driving block 21 to move upwards, the main sliding block 5 runs downwards, and the whole working cycle is finished.

To sum up, the reverse wedge improved mechanism of the stamping die for automobile production is provided with the upper die holder 1 of the wedge mechanism and the lower die holder 2 of the wedge mechanism, and under the matched use of the first driving block 101, the second driving block 21, the transverse block 3, the nitrogen spring 4 and the main sliding block 5, the return stroke of the main sliding block 5 is convenient to reset through the nitrogen spring 4 active resetting device in the using process, so that the stamping process is completed, the impact force of the return stroke of the lower die holder 2 of the wedge mechanism is offset with the downward elastic force of the nitrogen spring 4, the service life of the stamping die is prolonged, the running stability of the wedge improved mechanism is ensured, and the die forming process of automobile complex stamping parts is effectively reduced; through newly adding 4 nitrogen springs of figure 1 (go up the die slide wedge structure), offset figure 2 (lower die slide wedge structure) second drive block 21 in the impact of the return force of stamping process to eliminate stopper 6 and damaged the problem unusually, optimized the result of use of slide wedge mechanism.

It should be noted that, in this document, terms such as "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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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