CN210966660U

CN210966660U - Stamping die easy to demould and clamp

Info

Publication number: CN210966660U
Application number: CN201921142025.XU
Authority: CN
Inventors: 刘磊
Original assignee: Fuzhou Huanyu Arts And Crafts Co ltd
Current assignee: Fuzhou Huanyu Arts And Crafts Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-07-10
Anticipated expiration: 2029-07-19

Abstract

The utility model relates to the technical field of stamping dies, and discloses a stamping die easy to demould and easy to mount and clamp, which comprises a guide rail, wherein the lower end of the guide rail is fixedly connected with a base, the upper surface of the base is fixedly connected with a lower cushion block, the upper surface of the lower cushion block is fixedly connected with a lower die holder, the upper end of the lower die holder is movably connected with a lower mold core through a lower reaming bolt, and a pressing plate matched with the mold core is arranged above the lower mold core; the die comprises a base, a bottom cavity, a lever block, a left end fixedly connected with demoulding ejector pin, a right end fixedly connected with top head of the demoulding ejector pin, a positive screw and a negative screw, wherein the bottom cavity is arranged at the lower end of the base, the bottom inner wall of the bottom cavity is fixedly connected with the lever block, the upper end of the lever block is movably connected with a lever, the left end fixedly connected with demoulding ejector pin is fixedly connected with the top head of the demoulding ejector pin, the positive. The product has the advantages that: possess the drawing of patterns simple, it is convenient to change the mould, and anchor clamps advantage simple to use has solved the punching press and has been difficult for the drawing of patterns after, and it wastes time and energy to change the mould, does not have the problem of suitable anchor clamps.

Description

Stamping die easy to demould and clamp

Technical Field

The utility model relates to a stamping die technical field specifically is a stamping die of easy drawing of patterns and installation centre gripping.

Background

A stamping die, which is a special process equipment 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); stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part.

The stamping die is used for forming the plate by higher impact force and pressure after the upper die base stamps the lower die base, and meanwhile, the formed die after stamping is not easy to take out; on one hand, the replacement of the whole upper die base and the whole lower die base is also troublesome and labor-consuming, most of stamping of the plates does not have good clamps for the plates, and workers are required to manually right the plates, so that certain danger is realized.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an easy drawing of patterns and installation centre gripping's stamping die possesses the drawing of patterns simple, and it is convenient to change the mould, and anchor clamps easy to use's advantage has solved the difficult drawing of patterns after the punching press, and it wastes time and energy to change the mould, does not have the problem of suitable anchor clamps.

(II) technical scheme

For realizing above-mentioned drawing of patterns is simple, it is convenient to change the mould, and anchor clamps simple to use's purpose, the utility model provides a following technical scheme: a stamping die easy to demold and install and clamp comprises guide rails, wherein the lower end of each guide rail is fixedly connected with a base, the upper end surface of the base is fixedly connected with a lower cushion block, the upper end surface of the lower cushion block is fixedly connected with a lower die holder, the upper end of the lower die holder is movably connected with a lower die core through a lower reaming bolt, the lower end of the base is provided with a bottom cavity, the inner wall of the bottom cavity is fixedly connected with a lever block, the upper end of the lever block is movably connected with a lever, the right end of the lever is fixedly connected with a handle, the left end of the lever is fixedly connected with a pendant block, the upper end of the pendant block is fixedly connected with a demolding thimble, the upper end of the demolding thimble is fixedly connected with a top head, the left surface and the right surface of the lower die holder are both provided with pin holes, the upper, the lower extreme surface of upper die base has the top board through last reamed hole bolt swing joint, and the position of top board and lower core cooperation, two pins about the lower extreme fixed surface of upper die base is connected with, the positive and negative lead screw of positive and negative lead screw's different screw punishment do not mesh and have anchor clamps, and anchor clamps upwards extend to between lower core and the top board.

Preferably, four countersunk threaded holes are formed in four corners of the surface of the lower mold core, and a round hole matched with the ejector is formed in the center of the lower mold core.

Preferably, the surface of the clamp is provided with a spring and a spongy cushion.

Preferably, the weight of the drop block is heavier than that of the demolding thimble and the top head.

Preferably, the lever and the lever block are connected by a bearing.

Preferably, the demoulding thimble and the ejector head are made of stainless steel.

Preferably, the thread turning directions of the positive and negative screw rods are opposite to those of the two sides with the middle point as a boundary.

(III) advantageous effects

Compared with the prior art, the utility model provides an easily drawing of patterns and installation centre gripping's stamping die possesses following beneficial effect:

1. according to the stamping die easy to demould and mount and clamp, the lever is driven to tilt upwards by the downward force applied by the handle, the lever drives the demoulding thimble and the ejector to move upwards, and the ejector ejects a formed die from the round hole in the middle of the lower core; through the matching use of the structures, the effect of easy demoulding is achieved.

2. According to the stamping die easy to demould and mount and clamp, by rotating the positive screw and the negative screw, the two clamps meshed with the positive screw and the negative screw can mutually clamp a metal plate or loosen the metal plate, and an upper pressing plate and a lower core which are respectively connected by a hinged hole bolt are easy to replace; through the cooperation of these structures use to it is convenient to have arrived to change the mould, anchor clamps simple to use's effect.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is a top view of the middle and lower core of the present invention.

In the figure: 1-guide rail, 2-lower cushion block, 3-lower die holder, 4-lower mold core, 5-pin hole, 6-lower hinge hole bolt, 7-fixing plate, 8-guide groove, 9-upper cushion block, 10-upper die holder, 11-pin, 12-upper press plate, 13-upper hinge hole bolt, 14-top, 15-demoulding top, 16-clamp, 17-positive and negative screw rod, 18-bottom cavity, 19-handle, 20-pendant block, 21-lever, 22-lever block and 23-base.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a stamping die easy to demould, mount and clamp comprises a guide rail 1, the guide rail 1 is made of cast iron, the matching precision of a guide groove 8 and a fixing plate 7 is high, the surface roughness of the guide groove and the fixing plate is 0.01, uneven stress of a plate during stamping can be prevented, a base 23 is fixedly connected to the lower end of the guide rail 1, a lower cushion block 2 is fixedly connected to the upper end surface of the base 23, a lower die base 3 is fixedly connected to the upper end surface of the lower cushion block 2, the upper end of the lower die base 3 is movably connected with a lower die core 4 through a lower reaming bolt 6, the precision of the lower die core 4 is extremely high, chromium is plated on the surface, four corners of the surface of the lower die core 4 are provided with four countersunk threaded holes, it is ensured that a connecting nut does not extend out of the surface of the lower die core 4, dents are prevented from occurring during stamping, the inner wall of the bottom cavity 18 is fixedly connected with a lever block 22, the upper end of the lever block 22 is movably connected with a lever 21, the lever 21 is made into a labor-saving lever 21 as much as possible, the labor intensity of workers is reduced, the lever 21 is connected with the lever block 22 through a bearing, the right end of the lever 21 is fixedly connected with a handle 19, the left end of the lever 21 is fixedly connected with a falling block 20, the weight of the falling block 20 is heavier than that of a demolding thimble 15 and a top 14, in order to ensure that the demolding thimble 15 and the top 14 are always positioned below the bottom cavity 18 when not used, the upper end of the falling block 20 is fixedly connected with the demolding thimble 15, the upper end of the demolding thimble 15 is fixedly connected with the top 14, the materials of the demolding thimble 15 and the top 14 are both made of stainless steel, pin holes 5 are formed in the left surface and the right surface of the lower die holder 3, go up the lower extreme fixed surface of cushion 9 and be connected with upper die base 10, there is upper press plate 12 lower extreme surface of upper die base 10 through last reaming hole bolt 13 swing joint, the position and the cooperation of lower die core 4 of upper press plate 12, two pins 11 about the lower extreme fixed surface of upper die base 10 is connected with, the positive and negative lead screw 17 of positive and negative fixedly connected with of base 23, the screw thread turning on looks on both sides is regarded as the mid point to positive and negative lead screw 17, the different screw thread punishment of positive and negative lead screw 17 do not has anchor clamps 16, the surface mounting of anchor clamps 16 has spring and foam-rubber cushion, spring and foam-rubber cushion are in order to guarantee that can not damage panel when pressing from both sides panel, anchor clamps 16 upwards extend to between lower die core.

The working principle is as follows: the positive and negative screw rods 17 are rotated to enable the clamp 16 to clamp the plate, after the upper pressing plate 12 punches the plate, the handle 19 is stepped to drive the lever 21 to move upwards, and the lever 21 drives the demoulding thimble 15 and the ejector 14 to move upwards to eject the formed mould; when a product needs to be replaced, the upper pressing plate 12 and the lower core 4 only need to be screwed out through the reamed hole bolts for replacement.

In summary, the stamping die easy to demould and mount and clamp is subjected to downward force through the handle 19 to drive the lever 21 to tilt upwards, the lever 21 drives the demoulding thimble 15 and the ejector 14 to move upwards, and the ejector 14 ejects a formed die from a circular hole in the middle of the lower core 4, so that the effect of easy demoulding is achieved; through rotating the positive and negative lead screw 17, then can the tight panel beating of mutual clamp or loosen the panel beating with two anchor clamps 16 of positive and negative lead screw 17 meshing, change with the upper plate 12 of reamed hole bolted connection and lower type core 4 respectively in easier to it is convenient to have arrived to change the mould, anchor clamps 16 simple to use's effect.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. 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.

Claims

1. The utility model provides an easy drawing of patterns and installation centre gripping's stamping die, includes guide rail (1), its characterized in that: the lower end of the guide rail (1) is fixedly connected with a base (23), the upper end surface of the base (23) is fixedly connected with a lower cushion block (2), the upper end surface of the lower cushion block (2) is fixedly connected with a lower die holder (3), the upper end of the lower die holder (3) is movably connected with a lower die core (4) through a lower reaming bolt (6), the lower end of the base (23) is provided with a bottom cavity (18), the inner wall of the bottom cavity (18) is fixedly connected with a lever block (22), the upper end of the lever block (22) is movably connected with a lever (21), the right end of the lever (21) is fixedly connected with a handle (19), the left end of the lever (21) is fixedly connected with a falling block (20), the upper end of the falling block (20) is fixedly connected with a demoulding thimble (15), the upper end of the demoulding thimble (14), the left surface and right surface of the, the upper end of controlling two guide rails (1) has fixed plate (7) through guide slot (8) swing joint, the lower extreme fixed surface of fixed plate (7) is connected with upper cushion block (9), the lower extreme fixed surface of upper cushion block (9) is connected with upper die base (10), the lower extreme surface of upper die base (10) has upper press plate (12) through last hinge system hole bolt (13) swing joint, the position and lower core (4) cooperation of upper press plate (12), two pins (11) about the lower extreme fixed surface of upper die base (10) is connected with, positive and negative lead screw (17) of positive fixedly connected with of base (23), the different screw thread punishment of positive and negative lead screw (17) do not mesh anchor clamps (16), anchor clamps (16) upwards extend to between lower core (4) and upper press plate (12).

2. A press die for easy ejection and mounting clamping as claimed in claim 1, wherein: four countersunk threaded holes are formed in four corners of the surface of the lower mold core (4), and a round hole matched with the ejector (14) is formed in the center of the lower mold core.

3. A press die for easy ejection and mounting clamping as claimed in claim 1, wherein: the surface of the clamp (16) is provided with a spring and a spongy cushion.

4. A press die for easy ejection and mounting clamping as claimed in claim 1, wherein: the weight of the falling block (20) is heavier than that of the demoulding thimble (15) and the thimble (14).

5. A press die for easy ejection and mounting clamping as claimed in claim 1, wherein: the lever (21) and the lever block (22) are connected through a bearing.

6. A press die for easy ejection and mounting clamping as claimed in claim 1, wherein: the demoulding thimble (15) and the thimble (14) are made of stainless steel.

7. A press die for easy ejection and mounting clamping as claimed in claim 1, wherein: the thread turning directions of the positive and negative screw rods (17) with the middle point as the boundary are opposite.