CN217226519U

CN217226519U - Stepped mold ejector pin

Info

Publication number: CN217226519U
Application number: CN202123244061.7U
Authority: CN
Inventors: 陈远; 张有才
Original assignee: Yixing Dingjian Mould Technology Co ltd
Current assignee: Yixing Dingjian Mould Technology Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-08-19
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to the technical field of mold, especially, relate to a cascaded mould thimble. The technical scheme comprises the following steps: needle bar and calotte syringe needle, flat syringe needle, the outside slidable mounting of needle bar has the sliding sleeve, and needle bar one end fixed mounting has first step styletable, and the one end fixed mounting of first step styletable has second step styletable, and the opposite side fixed mounting of needle bar has the mounting panel, and one side fixed mounting of mounting panel has the roof, and one side movable mounting of sliding sleeve has reset spring. The utility model discloses a set up calotte syringe needle and circular head, deformation syringe needle and the cooperation of band plate, can carry out regulation and control to the mode of drawing of patterns according to the production conditions of reality, the top of being convenient for carries out drawing of patterns operation to the product, has improved the practicality of thimble, is provided with reset spring and backup pad cooperation, can carry out automatic re-setting after the thimble is accomplished the product drawing of patterns to the thimble is used repeatedly when the product drawing of patterns, has improved the functionality of thimble, has enlarged application scope.

Description

Stepped mold ejector pin

Technical Field

The utility model relates to the technical field of mold, especially, relate to a cascaded mould thimble.

Background

Mold (mj power), various molds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping and the like in industrial production, in short, the mold is a tool for manufacturing molded articles, the tool is composed of various parts, different molds are composed of different parts, the processing of the appearance of the articles is realized mainly by changing the physical state of the molded materials, the mold has the name of an industrial parent, the tool for making blanks into workpieces with specific shapes and sizes under the action of external force is widely used for blanking, die forging, cold heading, extrusion, pressing and pressure casting of powder metallurgy parts, and the molding processing of compression molding or injection molding of engineering plastics, rubber, ceramics and other products, the mold has a specific contour or inner cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with a cutting edge, the blank can obtain a corresponding three-dimensional shape by using the shape of an inner cavity, the die generally comprises a movable die and a fixed die (or a male die and a female die), the movable die and the fixed die can be separated and combined, a workpiece is taken out when the movable die and the fixed die are separated, the blank is injected into a die cavity for forming when the fixed die and the fixed die are combined, the die is a precise tool, the shape is complex, the expansion force of the blank is borne, the structural strength, the rigidity, the surface hardness, the surface roughness and the processing precision are all higher requirements, the development level of the die production is one of important marks of the mechanical manufacturing level, the die needs to be subjected to demoulding treatment after injection molding is finished, and most of the existing dies are subjected to demoulding operation on the formed product through ejector pins.

The existing stepped die ejector pin has the following defects:

1. the structure of the existing stepped mold thimble is simple, most of the existing stepped mold thimbles can only carry out demolding operation on finished products in a single mode, and the demolding mode of the products cannot be adjusted and controlled according to the actual production situation when the existing stepped mold thimble is used, so that the situation of poor demolding effect is easy to occur when different products are demolded, the practicability of the thimble is reduced, and more troubles are brought to production and processing;

2. meanwhile, the reset mechanism of the existing stepped die ejector pin is simple, the ejector pin needle is reset through collision and pressing, the ejector pin needle is damaged and deformed when the reset mechanism is used for a long time, the damaged ejector pin needle is prone to causing scratch on the surface when the damaged ejector pin is used for demoulding products, the quality of the ejector pin for demoulding finished products is reduced, and the existing problem is solved by the aid of the stepped die ejector pin.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cascaded mould thimble to the problem that exists among the background art.

The technical scheme of the utility model: the utility model provides a cascaded mould thimble, includes needle bar and calotte syringe needle, flat syringe needle, the outside slidable mounting of needle bar has the sliding sleeve, and needle bar one end fixed mounting has first step styletable, the one end fixed mounting of first step styletable has second step styletable, the opposite side fixed mounting of needle bar has the mounting panel, and one side fixed mounting of mounting panel has the roof, one side movable mounting of sliding sleeve has reset spring, one side fixed mounting of calotte syringe needle has circular head, and the opposite side of flat syringe needle is equipped with the band board.

Preferably, the front and the back of mounting panel all are equipped with the draw-in groove, and one side equipartition of roof is equipped with anti-skidding line.

Preferably, a supporting plate is fixedly mounted on one side of the sliding sleeve, and positioning convex plates are fixedly mounted on the periphery of the outer portion of the sliding sleeve.

Preferably, one end of the second step needle column is provided with a connecting hole, and a fixing pad is fixedly mounted outside the connecting hole.

Preferably, a first mounting rod is fixedly mounted on one side of the dome needle, and a second mounting rod is fixedly mounted on one side of the flat-top needle.

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

by arranging the dome needle head to be matched with the round head and the deformed needle head to be matched with the flat plate, the demolding mode can be adjusted and controlled according to the actual production condition, demolding operation can be conveniently performed on a product, and the practicability of the thimble is improved;

be provided with reset spring and backup pad cooperation, can carry out automatic re-setting after the thimble is accomplished the product drawing of patterns to the thimble is to the used repeatedly of product drawing of patterns time, has improved the functional of thimble, has enlarged application scope.

Drawings

FIG. 1 is a perspective front view of the round thimble of the present invention;

fig. 2 is a three-dimensional front view of the flat thimble head of the present invention;

FIG. 3 is a schematic view of the structure of the dome needle of the present invention;

FIG. 4 is a schematic view of the structure of the flat thimble head of the present invention;

fig. 5 is a right side schematic view of the present invention;

fig. 6 is a left side schematic structure diagram of the present invention.

Reference numerals: 1. a top plate; 101. anti-skid lines; 2. mounting a plate; 201. a card slot; 3. a needle bar; 301. a first stepped pin; 302. a second stepped pin; 303. a fixing pad; 304. connecting holes; 4. a sliding sleeve; 401. a support plate; 402. positioning the convex plate; 403. a return spring; 5. a dome needle; 501. a first mounting bar; 502. a circular head; 6. a flat-top needle head; 601. a flat plate; 602. a second mounting bar.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-6, the utility model provides a cascaded mould thimble, including needle bar 3 and calotte syringe needle 5, flat thimble 6, the outside slidable mounting of needle bar 3 has sliding

sleeve

4, and 3 one end fixed mounting of needle bar has first terraced styletan 301, the one end fixed mounting of first terraced styletan 301 has second terraced styletan 302, the opposite side fixed mounting of needle bar 3 has mounting panel 2, and one side fixed mounting of mounting panel 2 has roof 1, one side movable mounting of sliding sleeve 4 has reset spring 403, one side fixed mounting of calotte syringe needle 5 has circular head 502, and the opposite side of flat thimble 6 is equipped with flat board 601.

The working principle of the stepped die ejector pin based on the embodiment 1 is as follows: the needle bar 3 can be installed in a sliding way through the sliding sleeve 4, so that the needle bar 3 can conveniently carry out demoulding operation on products formed in a mould, the first step needle post 301 and the second step needle post 302 can reduce the thickness of one end of the thimble, reduce the space occupied by the thimble in the mould, avoid the condition that the surface of the products formed in the mould has traces, improve the practicability of the thimble, the mounting plate 2 can be connected with the pushing structure on the mould in an embedding way, so that the thimble can be pushed through the pushing structure on the mould, so that the demoulding operation can be conveniently carried out on the products formed by the thimble, the top plate 1 can be connected with the pushing structure of the mould, the top plate 1 can protect one side of the mounting plate 2 when in use, the condition that the mounting plate 2 is deformed when in long-term use is avoided, the stability of the thimble when in use is increased, the service life is prolonged, reset spring 403 can carry out automatic re-setting to the top after the mould drawing of patterns, has improved the practicality of thimble, and calotte syringe needle 5 and circular head 502 cooperation can carry out drawing of patterns operation to fashioned product to the mode through the calotte, and flat thimble 6 can carry out drawing of patterns operation to the fashioned product to the mode through the flat top with the cooperation of band plate 601, and the staff of being convenient for selects the regulation to the syringe needle of thimble according to the production conditions of reality, has improved the practicality of thimble.

Example two

As shown in fig. 1-6, the present invention provides a stepped mold thimble, compared with the first embodiment, the present embodiment further includes: the front and the back of mounting panel 2 all are equipped with draw-in groove 201, and one side equipartition of roof 1 is equipped with anti-skidding line 101, one side fixed mounting of sliding sleeve 4 has backup pad 401, and sliding sleeve 4 outside fixed mounting all around has location flange 402, the one end of second step stylophore 302 is equipped with connecting hole 304, and the outside fixed mounting of connecting hole 304 has fixed bolster 303, one side fixed mounting of calotte syringe needle 5 has first installation pole 501, and one side fixed mounting of flat thimble head 6 has second installation pole 602.

In this embodiment, can fix a position when the installation is inlayed to mounting panel 2 through draw-in groove 201, the stability when mounting panel 2 is inlayed the installation has been increased, anti-skidding line 101 has increased the frictional force of roof 1, the stability when the mould passes the structure and passes the thimble is improved, backup pad 401 can support the one end of reset spring 403, thereby be convenient for reset spring 403 to reset and handle, location flange 402 has increased sliding sleeve 4 and has fixed a position when installing in the mould, stability when increasing sliding sleeve 4 installation, connecting hole 304 and first installation pole 501, the cooperation of second installation pole 602 is convenient for install fixed to dome syringe needle 5 and flat syringe needle 6, thereby be convenient for the staff to change the installation when adjusting to the syringe needle fixed, the stability when fixing pad 303 has increased dome syringe needle 5 or flat syringe needle 6 and installs.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. The utility model provides a cascaded mould thimble, includes needle bar (3) and calotte syringe needle (5), flat syringe needle (6), its characterized in that: the utility model discloses a needle bar, including needle bar (3), the outside slidable mounting of needle bar (3) has sliding sleeve (4), and needle bar (3) one end fixed mounting has first step styletable (301), the one end fixed mounting of first step styletable (301) has second step styletable (302), the opposite side fixed mounting of needle bar (3) has mounting panel (2), and one side fixed mounting of mounting panel (2) has roof (1), one side movable mounting of sliding sleeve (4) has reset spring (403), one side fixed mounting of dome syringe needle (5) has round head (502), and the opposite side of flat syringe needle (6) is equipped with flat board (601).

2. The stepped mold thimble of claim 1, wherein: the front and the back of mounting panel (2) all are equipped with draw-in groove (201), and one side equipartition of roof (1) is equipped with anti-skidding line (101).

3. The stepped mold thimble of claim 1, wherein: one side fixed mounting of sliding sleeve (4) has backup pad (401), and sliding sleeve (4) outside fixed mounting all around has location flange (402).

4. The stepped mold thimble of claim 1, wherein: one end of the second step needle post (302) is provided with a connecting hole (304), and a fixing pad (303) is fixedly arranged outside the connecting hole (304).

5. The stepped mold thimble of claim 1, wherein: one side of the dome needle head (5) is fixedly provided with a first mounting rod (501), and one side of the flat needle head (6) is fixedly provided with a second mounting rod (602).