CN215237232U

CN215237232U - Quick positioning mechanism in mould center

Info

Publication number: CN215237232U
Application number: CN202120770578.0U
Authority: CN
Inventors: 石俊峰; 李平; 张玉莹
Original assignee: Kunshan Changchengtai Automobile Mould Co ltd
Current assignee: Kunshan Changchengtai Automobile Mould Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-12-21
Anticipated expiration: 2031-04-15

Abstract

The utility model relates to the technical field of dies, in particular to a quick positioning mechanism for a die center, which solves the defects existing in the prior art and comprises symmetrically arranged die feet, wherein the tops of the two die feet are fixed with a base through bolts, the top of the base is connected with symmetrically arranged guide pillars through hexagon screws, the tops of the guide pillars are fixed with a top seat through screws, a movable die is arranged outside the guide pillars in a sliding manner, and the bottom of the movable die is fixed with a punch through a countersunk bolt; the top of base is fixed with the template through the screw, and the slip is provided with the locating piece of symmetrical arrangement on the template, the quantity of locating piece sets up to four, and through the setting of first cylinder, voussoir, slide and locating piece isotructure, the product is placed in the template back, and first cylinder starts, can take each voussoir to remove to drive each locating piece and slide, with the work piece location in the central point of template position, improved the machining precision of mould.

Description

Quick positioning mechanism in mould center

Technical Field

The utility model relates to the technical field of mold, especially, relate to a quick positioning mechanism in mould center.

Background

The die refers to various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. A mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material.

When the die in the prior art is used for machining, a workpiece is only simply placed on the die holder, the workpiece cannot be positioned at the central position of the die holder, machining precision is low, in addition, the upper die plate has overlarge pressure on the lower die during machining, stress is easily accumulated in the die for a long time, and the service life of the die is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a quick positioning mechanism for the center of a die.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a quick positioning mechanism for a die center comprises die legs which are symmetrically arranged, wherein bases are fixed to the tops of the two die legs through bolts, guide columns which are symmetrically arranged are connected to the tops of the bases through hexagon screws, top seats are fixed to the tops of the guide columns through screws, a moving die is arranged outside the guide columns in a sliding mode, and a punch is fixed to the bottom of the moving die through a countersunk bolt;

the utility model discloses a pneumatic positioning device, including base, locating piece, support, bolt fixed connection, the top of base has the template through the fix with screw, slides on the template and is provided with the locating piece of symmetrical arrangement, the quantity of locating piece sets up to four, and the recess has been seted up to the inside of base, there is the support through the fix with screw between the inner wall both sides of recess, there is the first cylinder of symmetrical arrangement the bottom of support through bolt fixed mounting, the inside of first cylinder is provided with the push rod, and the end fixing of push rod has the spliced pole, the both ends of spliced pole are fixed with the voussoir, and one side slip of voussoir is provided with the slide, the slide with locating piece fixed connection.

Preferably, the spring is sleeved outside the guide pillar, and two ends of the spring are respectively and fixedly connected with the base and the movable die.

Preferably, a second cylinder is fixedly mounted at the top of the top seat through a bolt, a piston rod is arranged in the second cylinder, and the end of the piston rod is fixedly connected with the movable die through a hexagon screw.

Preferably, one side of the wedge block is provided with a chute, and the sliding plate is in sliding connection with the chute.

Preferably, the inside of template is seted up the spout of symmetrical arrangement, locating piece and spout sliding connection, still set up on the base with the rectangular channel that the recess is linked together, every the slide all passes the inside of rectangular channel and spout.

Preferably, guide holes are symmetrically arranged in the movable die, and the guide posts are embedded in the guide holes.

The utility model has the advantages that:

1. the utility model discloses in through the setting of first cylinder, voussoir, slide and locating piece isotructure, the back is placed in the template to the product, and first cylinder starts, can take each voussoir to remove to drive each locating piece and slide, put the work piece location at the central point of template, improved the machining precision of mould.

2. The utility model discloses in through the setting of spring isotructure, when removing the mould and moving down, usable spring cushions the impulsive force, reduces the pressure between the mould to reduce the inside accumulational stress of mould, prolonged the life of mould.

Drawings

Fig. 1 is a front view of a mold center quick positioning mechanism provided by the present invention;

fig. 2 is the utility model provides a quick positioning mechanism's in mould center reference numeral A department enlargedly.

In the figure: the die comprises a die pin 1, a base 2, a groove 3, a bracket 4, a first cylinder 5, a wedge block 6, a rectangular groove 7, a die plate 8, a punch 9, a positioning block 10, a sliding groove 11, a movable die 12, a top seat 13, a second cylinder 14, a piston rod 15, a guide pillar 16, a spring 17, a sliding plate 18, a connecting seat 19 and a push rod 20.

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.

Referring to fig. 1-2, a quick positioning mechanism for a mold center comprises mold legs 1 which are symmetrically arranged, bases 2 are fixed on the tops of the two mold legs 1 through bolts, guide pillars 16 which are symmetrically arranged are connected on the tops of the bases 2 through hexagon screws, top bases 13 are fixed on the tops of the guide pillars 16 through screws, a movable mold 12 is slidably arranged outside the guide pillars 16, and a punch 9 is fixed on the bottom of the movable mold 12 through a countersunk bolt; there is template 8 at the top of base 2 through the fix with screw, it is provided with symmetrical arrangement's locating piece 10 to slide on template 8, the quantity of locating piece 10 sets up to four, recess 3 has been seted up to base 2's inside, there is support 4 through the fix with screw between recess 3's the inner wall both sides, there is symmetrical arrangement's first cylinder 5 bottom through bolt fixed mounting of support 4, the inside of first cylinder 5 is provided with push rod 20, push rod 20's end fixing has the spliced pole, the both ends of spliced pole are fixed with voussoir 6, one side of voussoir 6 slides and is provided with slide 18, slide 18 and locating piece 10 fixed connection.

Wherein, through the setting of first cylinder 5, voussoir 6, the setting of slide 18 and locating piece 10 isotructure, the product is placed back on template 8, first cylinder 5 starts, can take each voussoir 6 to remove, thereby drive each locating piece 10 and slide, with the central point of work piece location at template 8, the machining precision of mould has been improved, through the setting of spring 17 isotructure, when removal mould 12 moves down, usable spring 17 cushions the impulsive force, reduce the pressure between the mould, thereby reduce the inside accumulational stress of mould, the life of mould has been prolonged.

The outside cover of guide pillar 16 is equipped with spring 17, spring 17's both ends respectively with base 2 and removal mould 12 fixed connection, there is second cylinder 14 at the top of footstock 13 through bolt fixed mounting, the inside of second cylinder 14 is provided with piston rod 15, hexagon screw and removal mould 12 fixed connection are passed through to the tip of piston rod 15, the chute has been seted up to one side of voussoir 6, slide 18 and chute sliding connection, symmetrical arrangement's spout 11 has been seted up to the inside of template 8, locating piece 10 and spout 11 sliding connection, rectangular channel 7 that is linked together with recess 3 has still been seted up on base 2, every slide 18 all passes the inside of rectangular channel 7 and spout 11, symmetrical arrangement's guiding hole has been seted up to the inside of removal mould 12, guide pillar 16 imbeds in the inside of guiding hole.

In the embodiment, when the device works, a workpiece is placed at the top of the template 8, the first air cylinder 5 is started to push the connecting column to move upwards, the connecting column drives the wedge blocks 6 to slide, the sliding plates 18 slide along the center under the action of the wedge blocks 6, the sliding plates 18 are provided with through grooves, parts of the wedge blocks 6 can penetrate, the mechanisms cannot collide with each other, and after the sliding plates 18 drive the positioning blocks 10 to slide, a product can be positioned at the center of the template 8, so that the product is positioned;

further, the second cylinder 14 is started, the piston rod 15 pushes the movable die 12 to move together with the punch 9 rigidly connected with the movable die, the punch 9 is close to the workpiece to perform the punching process, and when the movable die 12 moves downwards, the spring 17 is compressed by force to buffer the movable die 12, so that the pressure between the movable die 12 and the die plate 8 is reduced, and the generation of stress is reduced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A quick positioning mechanism for a mold center comprises mold legs (1) which are symmetrically arranged, and is characterized in that bases (2) are fixed to the tops of the two mold legs (1) through bolts, guide pillars (16) which are symmetrically arranged are connected to the tops of the bases (2) through hexagon screws, top bases (13) are fixed to the tops of the guide pillars (16) through screws, a movable mold (12) is arranged outside the guide pillars (16) in a sliding mode, and punches (9) are fixed to the bottom of the movable mold (12) through countersunk bolts;

the top of base (2) is fixed with template (8) through the screw, and the slip is provided with symmetrical arrangement's locating piece (10) on template (8), the quantity of locating piece (10) sets up to four, and recess (3) are seted up to the inside of base (2), there is support (4) through the screw fixation between the inner wall both sides of recess (3), there are symmetrical arrangement's first cylinder (5) bottom of support (4) through bolt fixed mounting, the inside of first cylinder (5) is provided with push rod (20), and the end fixing of push rod (20) has the spliced pole, the both ends of spliced pole are fixed with voussoir (6), and the one side slip of voussoir (6) is provided with slide (18), slide (18) with locating piece (10) fixed connection.

2. The mold center quick positioning mechanism according to claim 1, wherein the outer portion of the guide post (16) is sleeved with a spring (17), and two ends of the spring (17) are respectively fixedly connected with the base (2) and the movable mold (12).

3. The mold center quick positioning mechanism according to claim 1, wherein a second cylinder (14) is fixedly mounted at the top of the top seat (13) through a bolt, a piston rod (15) is arranged inside the second cylinder (14), and the end of the piston rod (15) is fixedly connected with the movable mold (12) through a hexagon screw.

4. The mold center quick positioning mechanism according to claim 1, wherein a chute is formed on one side of the wedge (6), and the sliding plate (18) is slidably connected with the chute.

5. The mold center rapid positioning mechanism according to claim 1, wherein the mold plate (8) is provided with symmetrically arranged sliding grooves (11) therein, the positioning block (10) is slidably connected to the sliding grooves (11), the base (2) is further provided with rectangular grooves (7) communicated with the grooves (3), and each sliding plate (18) penetrates through the rectangular grooves (7) and the sliding grooves (11).

6. The mold center quick positioning mechanism according to claim 1, wherein the movable mold (12) has symmetrically arranged guiding holes therein, and the guiding posts (16) are embedded in the guiding holes.