CN215237165U

CN215237165U - Anti-gravity stripping mechanism of punching die

Info

Publication number: CN215237165U
Application number: CN202120392295.7U
Authority: CN
Inventors: 林超
Original assignee: Quzhou Zhongde Precision Machinery Co ltd
Current assignee: Quzhou Zhongde Precision Machinery Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-12-21
Anticipated expiration: 2031-02-23

Abstract

The utility model provides a gravity-proof stripping mechanism of a punching die, which comprises an upper template; a group of stepped holes are formed in the upper template, a fixing bolt is mounted on each stepped hole, and a base plate in sliding connection is mounted at the bottom of each fixing bolt; a group of cushion strips are arranged between the upper template and the cushion plate, and a top plate is arranged at the bottom of the upper template; a set of ejector pins are installed at the bottom of the top plate, and a high bolt is installed on the top plate. Be provided with the circular recess on the backing plate, the circular recess on the backing plate makes things convenient for connecting sleeve's installation, be provided with the rectangle spring on the circular recess, it is in unsettled state to push away the material in stamping process, the punching press is accomplished the back product and is attached in the die, make the terrace die card hold tightly on the product, influence the resilience of thimble, the rectangle spring has played the effect that the roof supported, thereby make the roof drive the terrace die rise, rectangle spring helps the terrace die from the rebound in the product, it holds tightly on the product to have reduced the terrace die card, influence the phenomenon that the thimble kick-backs.

Description

Anti-gravity stripping mechanism of punching die

Technical Field

The utility model belongs to the technical field of stamping die, more specifically say, in particular to cut-out press's antigravity takes off material mechanism.

Background

The stamping die is a special process device for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die), wherein part punching can be involved in the stamping die, the punching die can be used in punching, the existing punching die can generate the phenomenon of gravity falling in punching, and the punching die of the gravity falling prevention mechanism is needed.

For example, application No.: the Chinese utility model patent of CN201822275305.X discloses a punching die, which structurally comprises an upper die and a lower die, wherein the upper die comprises an upper die base, an upper clamping plate, a stop plate and a stripper plate, and the lower die comprises a lower die base, a lower backing plate and a lower die plate; the punch comprises a long punch and a short punch, the upper surface of the lower template is an inclined surface, the height of the inclined surface opposite to the long punch is larger than that of the inclined surface opposite to the short punch, and the inclined angle of the inclined surface is 2-4 degrees. Compared with the prior art, the utility model discloses a stamping die becomes the blanking force in the twinkling of an eye in one section continuous time from a blanking force in the twinkling of an eye when the punching press, greatly reduced blanking force, can realize that the punching press of great size part is accomplished to the small-tonnage press, avoided causing the problem of punching press product surface unevenness or deformation moreover, reduce the noise and the loss of punch press, prolong the life of punch press.

Based on the search for patent numbers, the defects in the prior art are combined to find that:

when the existing die is structurally produced, because a thick plate is blanked, a punching female die needs to adopt a large-gap die sinking, when an aluminum plate material is punched, the punched holes in the plate are few, the holding force of an upper die is very small, the gravity stripping phenomenon is generated due to the self weight of the inner pushing material in the production process, a product which generates the phenomenon can be inlaid in a waste edge, the plate is required to be manually separated, and the production efficiency is reduced.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a gravity stripping prevention mechanism for a punching die is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a cut-out press's anti-gravity takes off material mechanism to when solving current mould structural production, owing to be the thick plate blanking, the die that punches a hole need adopt the big clearance die sinking, when dashing the aluminium sheet material, the inboard is punched a hole fewly, it is very little to go up the cohesion of mould, can push away the material dead weight because of interior in the production process and produce gravity and take off the material phenomenon, the product after producing this phenomenon can inlay in waste material limit the inside, need artifical board that divides, production efficiency has the problem that descends.

The utility model is used for a cut-out press's anti-gravity takes off purpose and efficiency of material mechanism is reached by following concrete technological means:

a gravity-proof stripping mechanism of a punching die comprises an upper template; a group of stepped holes are formed in the upper template, a fixing bolt is mounted on each stepped hole, and a base plate in sliding connection is mounted at the bottom of each fixing bolt; a group of cushion strips are arranged between the upper template and the cushion plate, and a top plate is arranged at the bottom of the upper template; a group of thimbles are mounted at the bottom of the top plate, and a high bolt is mounted on the top plate; a group of rectangular springs is mounted on the backing plate, and a fixing plate is arranged at the bottom of the backing plate; a group of through holes aligned with the ejector pins are formed in the fixing plate, and a male die is mounted on the fixing plate; the bottom of the fixing plate is fixed with a female die through a bolt, the inner side of the female die is provided with an inner pushing material, and the inner pushing material is provided with a group of through holes aligned with the male die.

Furthermore, the bottom of the upper template is provided with a clamping groove matched with the filler strip, and the backing plate is also provided with a clamping groove matched with the filler strip.

Furthermore, a group of horn-shaped mounting holes are formed in the template and matched with the high bolts.

Further, the rectangular spring comprises a connecting sleeve and a sliding block, a circular groove is formed in the base plate, an internal thread is formed in the circular groove, an external thread is formed in the connecting sleeve, a return spring is installed on the inner side of the connecting sleeve, the sliding block is installed on the connecting sleeve, and a retaining ring is formed in the sliding block.

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

the utility model discloses be provided with the mounting hole of loudspeaker form on the roof, the installation of the convenient high bolt of mounting hole, high bolt have played the roof and have pushed away the effect that the material is connected with interior to restricted the height of taking off the material.

The supporting structure of the male die is improved, the circular groove is formed in the base plate, the circular groove in the base plate facilitates installation of the connecting sleeve, the rectangular spring is arranged on the circular groove, material pushing is in a suspended state in the stamping process, a product is attached in the female die after stamping is completed, the male die is clamped on the product, resilience of the ejector pin is influenced, the rectangular spring plays a role in supporting the top plate, the top plate drives the male die to ascend, the rectangular spring helps the male die to move upwards from the product, the phenomenon that the male die is clamped on the product and resilience of the ejector pin is influenced is reduced.

Drawings

Fig. 1 is a schematic view of the main body of the present invention.

Fig. 2 is an enlarged schematic view of the structure of fig. 1 a according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. mounting a template; 2. a filler strip; 3. a top plate; 4. a high bolt; 5. a rectangular spring; 501. a connecting sleeve; 502. a slider; 6. a base plate; 7. a thimble; 8. a fixing plate; 9. pushing materials inwards; 10. a female die; 11. and (4) a male die.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 2:

the utility model provides a gravity-proof stripping mechanism of a punching die, which comprises an upper template 1; a group of stepped holes are formed in the upper template 1, a fixing bolt is mounted on each stepped hole, and a base plate 6 in sliding connection is mounted at the bottom of each fixing bolt; a group of filler strips 2 are arranged between the upper template 1 and the backing plate 6, and a top plate 3 is arranged at the bottom of the upper template 1; a group of thimbles 7 are arranged at the bottom of the top plate 3, and a high bolt 4 is arranged on the top plate 3; a group of rectangular springs 5 are arranged on the backing plate 6, and a fixing plate 8 is arranged at the bottom of the backing plate 6; a group of through holes aligned with the thimble 7 are formed in the fixing plate 8, and a male die 11 is mounted on the fixing plate 8; the bottom of the fixing plate 8 is fixed with a female die 10 through a bolt, an inner pushing material 9 is arranged on the inner side of the female die 10, and a group of through holes aligned with the male die 11 are formed in the inner pushing material 9.

Wherein, the bottom of cope match-plate pattern 1 has seted up a draw-in groove that agrees with filler strip 2 mutually, and has also seted up a draw-in groove that agrees with filler strip 2 mutually on the backing plate 6, and during the use, the recess on the backing plate 6 has played the effect of filler strip 2 location to make things convenient for the installation of cope match-plate pattern 1, the recess on the cope match-plate pattern 1 has reduced the phenomenon of cope match-plate pattern 1 displacement.

The template 1 is provided with a group of horn-shaped mounting holes, the mounting holes are matched with the high bolts 4, when the template is used, the high bolts 4 achieve the effect of connection of the inner pushing materials 9, the horn-shaped mounting holes facilitate the mounting of the high bolts 4, and the top plate 3 and the inner pushing materials 9 are fixed by the equal-height bolts 4.

Wherein, the rectangular spring 5 comprises a connecting sleeve 501 and a sliding block 502, a circular groove is arranged on the backing plate 6, an internal thread is arranged on the circular groove, an external thread is arranged on the connecting sleeve 501, a reset spring is arranged on the inner side of the connecting sleeve 501, a sliding block 502 is arranged on the connecting sleeve 501, and a baffle ring is arranged on the sliding block 502, when in use, the circular groove on the backing plate 6 facilitates the installation of the connecting sleeve 501, the internal thread on the circular groove plays a role in fixing the connecting sleeve 501, the inner pushing material 9 is in a suspended state in the stamping process, the product is attached in the female die 10 after the stamping is completed, so that the male die 11 is clamped on the product, the resilience of the ejector pin 7 is influenced, the reset spring on the connecting sleeve 501 plays a role in supporting the top plate 3, thereby the top plate 3 drives the male die 11 to rise, the reset spring helps the male die 11 to move upwards from the product, the phenomenon that the convex die 11 is clamped on a product and tightly clasps the product to influence the resilience of the thimble 7 is reduced.

The specific use mode and function of the embodiment are as follows:

the backing plate 6 is installed to roof 3, then will push away material 9 in and fix the inboard at die 10 through high bolt 4, then the product that will punch a hole is placed in and is pushed away the bottom of material 9, promote roof 3 through stamping equipment, make roof 3 promote terrace die 11 downstream to punch a hole the product, roof 3 can extrude sliding block 502 downstream this moment, roof 3 rebound after the punching press is accomplished, roof 3 can drive terrace die 11 upstream, sliding block 502 upspring can roof 3 support this moment, help terrace die 11 from the product upstream, terrace die 11 card has been reduced and has been held tightly on the product, influence the phenomenon that thimble 7 kick-backs.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a cut-out press's antigravity takes off material mechanism which characterized in that: comprises an upper template (1); a group of stepped holes are formed in the upper template (1), a fixing bolt is mounted on each stepped hole, and a base plate (6) in sliding connection is mounted at the bottom of each fixing bolt; a group of filler strips (2) are arranged between the upper template (1) and the backing plate (6), and a top plate (3) is arranged at the bottom of the upper template (1); a group of thimbles (7) are mounted at the bottom of the top plate (3), and a high bolt (4) is mounted on the top plate (3); a group of rectangular springs (5) are mounted on the backing plate (6), and a fixing plate (8) is arranged at the bottom of the backing plate (6); a group of through holes aligned with the ejector pins (7) are formed in the fixing plate (8), and a male die (11) is mounted on the fixing plate (8); the bottom of the fixing plate (8) is fixed with a female die (10) through a bolt, an inner pushing material (9) is installed on the inner side of the female die (10), and a group of through holes aligned with the male die (11) are formed in the inner pushing material (9).

2. The anti-gravity stripping mechanism for a punching die as set forth in claim 1, wherein: the bottom of the upper template (1) is provided with a clamping groove matched with the filler strip (2), and the backing plate (6) is also provided with a clamping groove matched with the filler strip (2).

3. The anti-gravity stripping mechanism for a punching die as set forth in claim 1, wherein: a group of horn-shaped mounting holes are formed in the upper template (1), and the mounting holes are matched with the high bolts (4).

4. The anti-gravity stripping mechanism for a punching die as set forth in claim 1, wherein: rectangular spring (5) has seted up a circular recess including connecting sleeve (501) and sliding block (502) on backing plate (6), and has seted up the internal thread on the circular recess, has seted up the external screw thread on connecting sleeve (501), and a reset spring is installed to the inboard of connecting sleeve (501), installs a sliding block (502) on connecting sleeve (501), has seted up on sliding block (502) and has kept off the ring.