CN218928496U

CN218928496U - Double-angle core pulling mechanism

Info

Publication number: CN218928496U
Application number: CN202223451026.7U
Authority: CN
Inventors: 付荣; 叶珏磊; 叶锦瑞; 吴建彪; 刘志红
Original assignee: Wuhan Jinrui Technology Co ltd
Current assignee: Wuhan Jinrui Technology Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-04-28
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a double-angle core pulling mechanism which comprises a wear-resistant strip, an outer pulling block, a corner sliding strip and an inner core pulling mechanism, wherein the wear-resistant strip is respectively arranged at two sides of the outer pulling block, a sliding groove is arranged on the side wall of the outer pulling block, a movable hole communicated with the sliding groove is formed in the top of the outer pulling block, a stop block for blocking the corner sliding strip in the sliding groove is arranged on the side wall of the outer pulling block, a piston hole is formed in the side wall of the stop block, an inclined guide groove is formed in the side wall of the corner sliding strip, a sliding block extending into the inclined guide groove and moving along the inclined guide groove is arranged at the bottom of the inner core pulling mechanism, and the inner core pulling mechanism is inserted into the movable hole.

Description

Double-angle core pulling mechanism

Technical Field

The utility model relates to the technical field of core pulling of molds, in particular to a double-angle core pulling mechanism.

Background

In the process of molding a part mold, in order to facilitate demolding, an inclined angle, namely a demolding angle, is usually set in the demolding direction of the product, if the part is relatively simple, the demolding angle is single and is very easy to realize, but for some complex parts, two or more different demolding angles can appear on the product, and thus demolding needs to be realized through a core pulling structure.

The existing mould core-pulling structure can only carry out reciprocating motion along the core-pulling direction, when two or more different demoulding angles appear at a narrow position of a part, the core-pulling operation of another angle needs to be carried out by adopting an additional core-pulling tool, and the core-pulling difficulty is caused due to the narrow space, the blocked position and inconvenient operation.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The present utility model has been made in view of the above-mentioned and/or problems occurring in the use of the double angle core back mechanism.

Therefore, the utility model aims to provide the double-angle core pulling mechanism, which can control the left-right reciprocating movement of the outer drawing block and the up-down reciprocating movement of the inner core pulling block by controlling the reciprocating movement of the corner sliding strip, has simple operation and is convenient for realizing double-angle core pulling operation in a narrow space.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

a dual angle core pulling mechanism, comprising:

the wear-resistant strips are respectively arranged at two sides of the outer drawing block;

the outer drawing block is provided with a sliding groove on the side wall, a movable hole communicated with the sliding groove is formed in the top of the outer drawing block, a stop block for stopping the corner sliding bar in the sliding groove is arranged on the side wall of the outer drawing block, and a piston hole is formed in the side wall of the stop block;

the side wall of the corner sliding bar is provided with an inclined guide groove;

the inner core pulling device comprises an inner core pulling device, wherein a sliding block which stretches into an inclined guide groove and moves along the inclined guide groove is arranged at the bottom of the inner core pulling device, and the inner core pulling device is inserted into the movable hole.

As a preferable scheme of the double-angle core pulling mechanism, a supporting plate is arranged between two wear-resisting strips, and threaded holes are formed in the side walls of the wear-resisting strips.

As an optimal scheme of the double-angle core pulling mechanism, a ball screw is screwed in the threaded hole, and balls of the ball screw are abutted against the side wall of the outer drawing block.

As a preferable scheme of the double-angle core pulling mechanism, the side wall of the outer drawing block is provided with a mounting groove, the stop block is arranged in the mounting groove, and the side wall of the stop block is provided with a fastening screw screwed into the mounting groove.

As a preferable scheme of the double-angle core pulling mechanism, a limiting block is oppositely arranged in the inclined guide groove, the limiting block limits the sliding block in the inclined guide groove, a movable rod penetrating out of the piston hole is arranged on the side wall of the corner sliding strip, and the far end of the movable rod is connected with a telescopic mechanism.

Compared with the prior art, the utility model has the following beneficial effects: this kind of dual angle mechanism of loosing core, wear-resisting strip is used for increasing the friction of taking out the piece and inserts the power, let the friction of taking out the piece and insert the power of taking out the excessive interior loose core outward make it open when taking out the piece open earlier in loose core then take out the piece outward, the ripples pearl screw is installed on wear-resisting strip, can be after wear-resisting strip wearing and tearing, adjust the tight degree of support of taking out the piece outward and increase the friction and insert the power, in loose core and take out the back downwards, through the restriction of dog, the corner draw bar is taken out outward under the effect of telescopic assembly pulling, the corner draw bar passes through oblique guide way restriction slider downwardly moving, in loose core is moved downwards under the drive of slider, accomplish the loose core. Therefore, the left-right reciprocating movement of the outer drawing block and the up-down reciprocating movement of the inner core pulling can be controlled by controlling the reciprocating movement of the corner sliding strip, the operation is simple, and the double-angle core pulling operation is convenient to realize in a narrow space.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:

FIG. 1 is a schematic diagram of the overall structure of a dual-angle core pulling mechanism of the present utility model;

FIG. 2 is an exploded view of a dual angle core pulling mechanism according to the present utility model;

FIG. 3 is a schematic view of a cross-sectional part of a dual angle core pulling mechanism according to the present utility model;

fig. 4 is a schematic structural view of a portion of a ball screw of the dual-angle core pulling mechanism of the present utility model.

100. Wear strips; 101. a threaded hole; 102. a support plate; 110. a wave bead screw; 200. an outer drawing block; 201. a chute; 202. a mounting groove; 203. a movable hole; 210. a stop block; 212. fastening a screw; 211. a piston bore; 300. a corner slide bar; 301. an inclined guide groove; 302. a limiting block; 310. a movable rod; 400. inner core pulling; 410. a sliding block.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

The utility model provides a double-angle core pulling mechanism, which can control the left-right reciprocating movement of an outer drawing block and the up-down reciprocating movement of an inner core pulling block by controlling the reciprocating movement of a corner sliding bar, is simple to operate and is convenient to realize double-angle core pulling operation in a narrow space.

Fig. 1 to fig. 4 are schematic structural views of an embodiment of a dual angle core back mechanism according to the present utility model, referring to fig. 1 to fig. 4, in which a main body portion of the dual angle core back mechanism includes a wear strip 100, an outer drawing block 200, a corner slide 300 and an inner core back 400.

The wear-resistant strip 100 is used for increasing the friction insertion force of the external drawing block 200, so that the friction insertion force of the external drawing block 200 is larger than the friction insertion force of the Yu Na core pulling 400, when the external drawing block is opened, the internal core pulling 400 is opened first, then the external drawing block 200 is opened, the ball screw 110 is arranged on the wear-resistant strip 100, after the wear-resistant strip 100 is worn, the abutting degree of the external drawing block 200 is adjusted to increase the friction insertion force, specifically, the wear-resistant strips 100 are respectively arranged on two sides of the external drawing block 200, in the embodiment, a supporting plate 102 is arranged between the two wear-resistant strips 100, the side wall of the wear-resistant strip 100 is provided with a threaded hole 101, the ball screw 110 is screwed in the threaded hole 101, and the ball of the ball screw 110 abuts against the side wall of the external drawing block 200;

the outer drawing block 200 is convenient for the corner sliding bar 300 to move through the sliding groove 201, after the inner core pulling block 400 is pulled downwards, the corner sliding bar 300 is pulled outwards under the action of the telescopic component through the limitation of the stop block 210, specifically, the side wall of the outer drawing block 200 is provided with the sliding groove 201, the top of the outer drawing block 200 is provided with the movable hole 203 communicated with the sliding groove 201, the side wall of the outer drawing block 200 is provided with the stop block 210 for blocking the corner sliding bar 300 inside the sliding groove 201, the side wall of the stop block 210 is provided with the piston hole 211, in the embodiment, the side wall of the outer drawing block 200 is provided with the mounting groove 202, the stop block 210 is mounted inside the mounting groove 202, the side wall of the stop block 210 is provided with the fastening screw 212 screwed into the mounting groove 202, the inside of the inclined guide groove 301 is relatively provided with the stop block 302, the stop block 302 limits the sliding block 410 inside the inclined guide groove 301, the side wall of the corner sliding bar 300 is provided with the movable rod 310 penetrating out from the piston hole 211, and the far end of the movable rod 310 is connected with the telescopic mechanism;

the corner sliding bar 300 limits the sliding block 410 to move downwards through the inclined guide groove 301, and specifically, the side wall of the corner sliding bar 300 is provided with the inclined guide groove 301;

the inner core pulling 400 is driven by the slider 410 to move downwards to complete core pulling, specifically, the bottom of the inner core pulling 400 is provided with the slider 410 extending into the inclined guide groove 301 and moving along the inclined guide groove 301, and the inner core pulling 400 is inserted into the movable hole 203.

Referring to fig. 1-4, in a specific use process of the dual-angle core pulling mechanism of the present embodiment, the wear-resistant strip 100 is used for increasing the friction force of the external pulling block 200, so that the friction force of the external pulling block 200 is larger than the friction force of the Yu Na core pulling block 400, when the external pulling block 200 is opened, the internal pulling block 400 is opened first, then the external pulling block 200 is opened, the bead screw 110 is mounted on the wear-resistant strip 100, after the wear-resistant strip 100 wears, the degree of abutment of the external pulling block 200 is adjusted to increase the friction force, after the internal pulling block 400 is pulled downwards, the corner sliding strip 300 is pulled outwards under the action of the telescopic component by the limit of the stop block 210, the corner sliding strip 300 is limited to move downwards by the inclined guide groove 301, and the internal pulling block 400 is driven to move downwards by the sliding block 410, so as to complete core pulling. Therefore, the left-right reciprocating movement of the outer drawing block 200 and the up-down reciprocating movement of the inner core drawing block 400 can be controlled by controlling the reciprocating movement of the corner slide bar 300, the operation is simple, and the double-angle core drawing operation is convenient to realize in a narrow space.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a dual-angle core pulling mechanism which characterized in that includes:

the wear-resistant strips (100) are respectively arranged at two sides of the outer drawing block (200);

the outer drawing block (200), the side wall of the outer drawing block (200) is provided with a chute (201), the top of the outer drawing block (200) is provided with a movable hole (203) communicated with the chute (201), the side wall of the outer drawing block (200) is provided with a stop block (210) for stopping the corner sliding bar (300) in the chute (201), and the side wall of the stop block (210) is provided with a piston hole (211);

the corner sliding bar (300), the sidewall of the corner sliding bar (300) is provided with an inclined guide groove (301);

the inner core pulling device comprises an inner core pulling device (400), wherein a sliding block (410) which stretches into an inclined guide groove (301) and moves along the inclined guide groove (301) is arranged at the bottom of the inner core pulling device (400), and the inner core pulling device (400) is inserted into a movable hole (203).

2. The dual-angle core pulling mechanism according to claim 1, wherein a supporting plate (102) is arranged between two wear-resistant strips (100), and threaded holes (101) are formed in the side walls of the wear-resistant strips (100).

3. The dual-angle core pulling mechanism according to claim 2, wherein a ball screw (110) is screwed in the threaded hole (101), and balls of the ball screw (110) are abutted against the side wall of the outer pulling block (200).

4. A dual angle core pulling mechanism according to claim 3, wherein the side wall of the outer drawing block (200) is provided with a mounting groove (202), the stopper (210) is mounted inside the mounting groove (202), and the side wall of the stopper (210) is provided with a fastening screw (212) screwed into the mounting groove (202).

5. The dual-angle core pulling mechanism according to claim 4, wherein limiting blocks (302) are oppositely arranged in the inclined guide grooves (301), the limiting blocks (302) limit the sliding blocks (410) in the inclined guide grooves (301), movable rods (310) penetrating out of the piston holes (211) are arranged on the side walls of the corner sliding strips (300), and telescopic mechanisms are connected to the distal ends of the movable rods (310).