CN219004308U - Stamping die convenient for die replacement - Google Patents

Abstract

The utility model relates to the technical field of stamping dies and provides a stamping die convenient to replace, which comprises a base, a lower die holder, an upper die holder, a top plate, a plurality of fixing components and two die positioning parts, wherein the base is provided with a plurality of fixing parts; the lower die holder is arranged at the top end of the base, through grooves are formed in the base and the lower die holder, the upper die holder is arranged at the bottom end of the top plate, the top end of the base is provided with a guide pillar, the bottom end of the top plate is provided with a guide groove, and a plurality of fixing components are respectively arranged at the top end of the base and the bottom end of the top plate; the two die positioning parts comprise two-way cylinders, sliding blocks and baffle plates, the two-way cylinders are arranged in the through grooves of the base, the sliding blocks are arranged at two ends of the two-way cylinders, the baffle plates are arranged at the top ends of the sliding blocks, and when the die is replaced, the die is accurately adjusted to a specified position by the aid of the device compared with the prior art, the die is prevented from being repeatedly adjusted in position, and convenience in film replacement is improved.

Description

Stamping die convenient for die replacement

Technical Field

The utility model relates to the technical field of adhesion, in particular to a stamping die convenient for die changing.

Background

In cold stamping, a special process device for processing materials (metal or nonmetal) into parts (or semi-finished products) is provided, when different parts are processed, the stamping dies are required to be replaced, the die replacement process of the conventional stamping dies is that the dies are firstly released from fixation, then the dies are removed, the new dies are put in a lower die holder, a locating rod of an upper die holder is inserted into a locating rod hole of the upper die through a lower pressing top plate, if collision occurs, the positions of the dies are required to be adjusted until no collision occurs, and then the upper die and the lower die are respectively fixed on the upper die holder and the lower die holder, so that die replacement is completed.

However, when die changing is performed on the stamping die, because the positioning rod of the upper die holder is required to be accurately inserted into the positioning rod hole of the upper die, the position of the die is required to be repeatedly adjusted, and trouble is generated on die changing, so that the problem that the position of the die is required to be repeatedly adjusted when the die of the stamping die is changed is solved.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a stamping die convenient to replace.

The aim of the utility model is realized by the following technical scheme:

a stamping die convenient for die replacement comprises a base, a lower die holder, an upper die holder, a top plate, a plurality of fixing components and two die positioning parts;

the lower die holder is arranged at the top end of the base, through grooves are formed in the base and the lower die holder, the upper die holder is arranged at the bottom end of the top plate, the top end of the base is provided with a guide pillar, the bottom end of the top plate is provided with a guide groove, and a plurality of fixing components are respectively arranged at the top end of the base and the bottom end of the top plate;

the two die positioning parts comprise two-way cylinders, sliding blocks and baffle plates, wherein the two-way cylinders are arranged in the through grooves of the base, the sliding blocks are arranged at two ends of the two-way cylinders, the baffle plates are arranged at the top ends of the sliding blocks, and the sliding blocks and the baffle plates can move at fixed distances in the through grooves.

As a further optional technical scheme of this application, a plurality of fixed subassembly all includes unidirectional cylinder, fixed plate and friction pad, the upper die base with the through-hole has all been seted up to the lateral wall of die holder, unidirectional cylinder fixed mounting is in the top of base, just unidirectional cylinder's piston rod runs through the through-hole, the fixed plate is installed unidirectional cylinder's one end of piston rod, the friction pad is installed on the lateral wall of fixed plate.

In order to judge whether the die is located at a designated position, as a still further optional technical scheme of the application, the upper die holder is provided with a positioning rod, and the positioning rod is located in the middle of the upper die holder.

In order to bring the guide post into the guide slot, the guide slot is located directly above the guide post on the basis of the previous proposal.

In order to avoid collision of the two die positioning portions during operation, it is preferable that the two die positioning portions have a height difference, and one die positioning portion is located above the other die positioning portion.

In order to prevent the stamping die from generating excessive impact force on the die during extrusion, a damping spring is further arranged in the guide groove.

Advantageous effects

Compared with the prior art, the utility model provides the stamping die convenient for die changing, which has the following beneficial effects:

1. compared with the prior art, the die is placed in the lower die holder, the bidirectional cylinder is started, and piston rods on two sides of the bidirectional cylinder are simultaneously contracted to drive the sliding block to move, so that the baffle plate acts on the side wall of the die from multiple directions, and the die is clamped in the center of the lower die holder.

2. According to the utility model, the shock absorption spring is arranged, so that impact force caused by die matching when the stamping die performs extrusion operation is reduced, and the downward pressure of the stamping die is reduced by the elastic action of the spring on the top end of the guide post when the stamping die performs extrusion operation.

Therefore, when the die is replaced, compared with the prior art, the device can accurately adjust the die to the designated position, so that the repeated die position adjustment is avoided, and the convenience of die replacement is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic diagram of the whole structure of a stamping die convenient for die change;

FIG. 2 is a schematic view of a partial structure of a base, a die positioning part, a fixing assembly and the like of the stamping die convenient for die changing;

FIG. 3 is a schematic view of a partial structure of the top plate and the fixing assembly of the stamping die which is convenient for die change;

fig. 4 is a schematic view of a partial sectional structure of a die positioning portion of the present press die that facilitates die change.

Reference numerals in the drawings represent respectively:

100. a base; 101. a lower die holder; 102. a guide post;

200. a top plate; 201. an upper die holder; 202. a guide groove; 203. a damping spring; 204. a positioning rod;

300. a die positioning portion; 301. a bidirectional cylinder; 302. a sliding block; 303. a baffle;

400. a fixing assembly; 401. a one-way cylinder; 402. a fixing plate; 403. friction pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a stamping die with convenient die changing includes a base 100, a lower die holder 101, an upper die holder 201, a top plate 200, a plurality of fixing assemblies 400, and two die positioning portions 300;

the lower die holder 101 is mounted at the top end of the base 100, the base 100 and the lower die holder 101 are provided with through grooves, the upper die holder 201 is mounted at the bottom end of the top plate 200, the top end of the base 100 is provided with a guide post 102, the bottom end of the top plate 200 is provided with a guide groove 202, and a plurality of fixing assemblies 400 are respectively mounted at the top end of the base 100 and the bottom end of the top plate 200;

the two die positioning parts 300 comprise two-way cylinders 301, sliding blocks 302 and baffle plates 303, wherein the two-way cylinders 301 are arranged in the through grooves of the base 100, the sliding blocks 302 are arranged at two ends of the two-way cylinders 301, the baffle plates 303 are arranged at the top ends of the sliding blocks 302, and the sliding blocks 302 and the baffle plates 303 can move in the through grooves at fixed distances;

the device is characterized in that a die is placed in a lower die holder 101, then a bidirectional cylinder 301 is started, piston rods on two sides of the bidirectional cylinder 301 are contracted simultaneously to drive a sliding block 302 to move, a baffle 303 acts on the side wall of the die from multiple directions, and the die is clamped at the center of the lower die holder 101.

Referring to fig. 1-3, the fixing assemblies 400 include a unidirectional cylinder 401, a fixing plate 402 and a friction pad 403, the sidewalls of the upper die holder 201 and the lower die holder 101 are provided with through openings, the unidirectional cylinder 401 is fixedly mounted at the top end of the base 100, the piston rod of the unidirectional cylinder 401 penetrates through the through opening, the fixing plate 402 is mounted at one end of the piston rod of the unidirectional cylinder 401, the friction pad 403 is mounted on the sidewall of the fixing plate 402, the upper die holder 201 is mounted with a positioning rod 204, and the positioning rod 204 is located in the middle of the upper die holder 201;

the top plate 200 is pressed down, the positioning rod 204 of the upper die holder 201 is inserted into the positioning rod hole of the upper die, the piston rod drives the fixing plate 402 to move towards the side wall of the die by starting the one-way cylinder 401, the friction pad 403 is pressed on the side wall of the die, fixing is completed, and then the top plate 200 is moved up to separate the upper die from the lower die.

Referring to fig. 1-4, the guide groove 202 is located right above the guide post 102, two die positioning portions 300 have a height difference, one die positioning portion 300 is located above the other die positioning portion 300, and a damping spring 203 is installed in the guide groove 202;

in order to avoid collision of the two die positioning portions 300 during operation, the two die positioning portions 300 have a height difference, and the pressing force is relieved by the elastic action of the spring on the top end of the guide post 102 when the pressing die performs the pressing operation.

In summary, the working principle of the stamping die convenient for die replacement is as follows: the method comprises the steps of firstly pressing down a top plate 200 to enable an upper die and a lower die of the die to be replaced to be combined, starting a one-way cylinder 401 to enable a piston rod to be contracted, removing the die after fixing the die, then moving up the top plate 200, putting a new die into a lower die holder 101, starting a two-way cylinder 301, enabling piston rods on two sides to be contracted simultaneously through the two-way cylinder 301 to drive a sliding block 302 to move, enabling a baffle 303 to act on the side wall of the die from multiple directions, clamping the die in the center of the lower die holder 101, pressing down the top plate 200, enabling a positioning rod 204 of an upper die holder 201 to be inserted into a positioning rod hole of the upper die, then starting the one-way cylinder 401 to enable the piston rod to drive a fixing plate 402 to move towards the side wall of the die, enabling a friction pad 403 to be extruded on the side wall of the die to be fixed, and then moving up the top plate 200 to separate the upper die from the lower die.

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 (6)

1. The utility model provides a stamping die convenient for die changing, includes base (100), die holder (101), upper die holder (201), roof (200) and a plurality of fixed subassembly (400), die holder (101) are installed the top of base (100), the logical groove has all been seted up to base (100) with die holder (101), the bottom at roof (200) is installed in upper die holder (201), guide pillar (102) are installed on the top of base (100), guide slot (202) are installed to the bottom of roof (200), a plurality of fixed subassembly (400) are installed respectively the top of base (100) with the bottom of roof (200), a serial communication port, still includes mould location portion (300), mould location portion (300) are provided with two,

two mould location portion (300) all include two-way cylinder (301), sliding block (302) and baffle (303), two-way cylinder (301) are installed in the logical groove of base (100), sliding block (302) are installed in the both ends of two-way cylinder (301), baffle (303) are installed the top of sliding block (302), just sliding block (302) with baffle (303) can do the removal of fixed distance in logical inslot.

2. The stamping die convenient for die changing according to claim 1, wherein a plurality of fixing assemblies (400) comprise one-way cylinders (401), fixing plates (402) and friction pads (403), through holes are formed in the side walls of the upper die holder (201) and the lower die holder (101), the one-way cylinders (401) are fixedly mounted at the top ends of the base (100), piston rods of the one-way cylinders (401) penetrate through the through holes, the fixing plates (402) are mounted at one ends of the piston rods of the one-way cylinders (401), and the friction pads (403) are mounted on the side walls of the fixing plates (402).

3. The stamping die convenient for die changing according to claim 2, wherein the upper die holder (201) is provided with a positioning rod (204), and the positioning rod (204) is located in the middle of the upper die holder (201).

4. A die-change facilitating stamping die according to claim 3, wherein the guide groove (202) is located directly above the guide post (102).

5. The stamping die facilitating die change according to claim 4, wherein a difference in height exists between two die positioning portions (300), one die positioning portion (300) being located above the other die positioning portion (300).

6. The stamping die convenient for die changing according to claim 5, wherein a damping spring (203) is installed in the guide groove (202).

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