CN115476485A

CN115476485A - Demoulding mechanism and mould

Info

Publication number: CN115476485A
Application number: CN202110665558.1A
Authority: CN
Inventors: 李小勇
Original assignee: Suzhou Mitac Precision Technology Co Ltd
Current assignee: Suzhou Mitac Precision Technology Co Ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-12-16

Abstract

The invention relates to the technical field of moulds, and particularly discloses a demoulding mechanism and a mould, wherein the demoulding mechanism comprises a supporting seat, a large sliding block seat, a first power part, a large sliding block insert, a small sliding block insert and a small sliding block seat, wherein the large sliding block seat is arranged on the supporting seat in a sliding manner along a first direction; the first power part drives the large sliding block seat to slide; the big slide block insert is fixedly arranged at one end of the big slide block seat and is provided with a notch. The small sliding block insert is arranged in the opening in a sliding mode along the second direction; the small slide block insert is provided with an injection molding position for injection molding and a demolding position for demolding; an inner buckling die is arranged on one side of the small sliding block insert along the second direction. The small sliding block seat is arranged on the large sliding block seat in a sliding mode along the first direction and used for driving the small sliding block insert to be switched to a demolding position from an injection molding position. During the drawing of patterns, drive little slider income sub-drive to the drawing of patterns position through little slider seat earlier, the big slider of rethread first power piece drive goes into the sub-groove structure of keeping away from the product and can accomplish the drawing of patterns. The invention has compact structure and high demoulding efficiency.

Description

Demoulding mechanism and mould

Technical Field

The invention relates to the technical field of molds, in particular to a demolding mechanism and a mold.

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. In short, 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.

When the manufactured product is provided with a groove and the side wall of the groove is provided with a convex inner buckling structure, the demoulding can not be finished.

Disclosure of Invention

The invention aims to provide a demoulding mechanism and a mould, which aim to solve the problem that demoulding cannot be finished when the side wall of a groove in the prior art is provided with a convex inner buckling structure.

In order to achieve the purpose, the invention adopts the following technical scheme:

in one aspect, the present invention provides a mold-releasing mechanism including:

a supporting seat;

the large sliding block seat is arranged on the supporting seat in a sliding manner along a first direction;

the first power piece is fixedly arranged on the supporting seat, and the large sliding block seat is connected with the output end of the first power piece;

the large sliding block insert is fixedly arranged at one end of the large sliding block seat and is provided with a notch;

the small sliding block insert is arranged in the notch in a sliding mode along the second direction; the first direction and the second direction are not parallel; the small slide block insert is provided with an injection molding position for injection molding and a demolding position for demolding; an inner buckling die is arranged on one side of the small sliding block insert along the second direction;

the small sliding block seat is arranged on the large sliding block seat in a sliding mode along the first direction, is in transmission connection with the small sliding block insert and is used for driving the small sliding block insert to be switched from the injection molding position to the demolding position;

and the second power part is used for driving the small sliding block seat to slide.

Optionally, the sliding mechanism further comprises a linkage sliding block, the linkage sliding block is arranged in the opening in a sliding mode along the first direction, one end of the linkage sliding block is fixedly connected with the small sliding block seat, and the linkage sliding block is connected with the small sliding block insert in a sliding mode through a dovetail groove structure; the side face, facing the small sliding block insert, of the linkage sliding block is an inclined face, and the inclined face is far away from the inner buckling die along the direction far away from the small sliding block seat.

Optionally, the small slider insert comprises two upper slider inserts and a lower slider insert, the upper slider inserts are arranged in the opening with the upward opening in a sliding manner along the second direction, the lower slider inserts are arranged in the opening with the downward opening in a sliding manner along the second direction, and the upper slider inserts and the lower slider inserts are both provided with the inner buckling mold; the upper sliding block insert and the lower sliding block insert are correspondingly connected with the linkage sliding block in a sliding mode.

Optionally, the second power member includes an elastic member, and the elastic member is abutted between the large slider seat and the small slider seat and used for driving the small slider seat to drive the small slider insert to stop at the demolding position.

Optionally, the large slider seat is provided with a first mounting groove, and the small slider seat is provided with a second mounting groove; the elastic piece is a spring, and two ends of the spring are respectively located in the first mounting groove and the second mounting groove.

Optionally, the sliding block device further comprises a small sliding block shifting block, the small sliding block seat is provided with a jack, and the large sliding block seat is provided with a fixing hole; the small sliding block shifting block can penetrate through the jack and be inserted into the fixing hole, so that the small sliding block insert is locked at the injection molding position.

Optionally, the insertion hole is inclined from bottom to top to the large slider insert side, and when the small slider shifting block is inserted from top to bottom, the small slider seat moves towards the large slider insert direction.

Optionally, still include connecting block and fixed block, the connecting block rigid coupling in big slider seat, the fixed block rigid coupling in the connecting block, the connecting block with the through-hole is enclosed to the fixed block, little slider goes into son and is equipped with drawing of patterns sliding part, drawing of patterns sliding part slides and locates the through-hole.

In another aspect, the present invention provides a mold comprising a male mold, a female mold, and the demolding mechanism of any one of claims, wherein the small slide block dial is fixed to the male mold; the supporting seat is fixedly arranged on the female die, and when the male die is far away from the female die, the small sliding block shifting block is pulled out of the jack of the small sliding block seat.

Optionally, the male die further comprises a stop block, the stop block is arranged on the male die, and when the male die and the female die are closed, the stop block abuts against one end, far away from the large slider insert, of the small slider seat.

The invention has the beneficial effects that:

the invention provides a demoulding mechanism and a mould, wherein the demoulding mechanism drives a large sliding block insert to move along a first direction through a first power part, the large sliding block insert is provided with a notch, a small sliding block insert is arranged in the notch in a sliding manner along a second direction, and the small sliding block insert is driven to be switched from an injection moulding position to a demoulding position through a small sliding block seat. During the drawing of patterns, drive little slider income sub-to drawing of patterns position through little slider seat earlier, at this moment, the big slider of rethread power part drive goes into the sub-recess structure of keeping away from the product and can accomplish the drawing of patterns. The invention has compact structure and high demoulding efficiency.

Drawings

Fig. 1 is a schematic structural view of a demolding mechanism in an embodiment of the invention;

FIG. 2 is a schematic structural diagram of a demolding mechanism (with a large slide block insert hidden) according to an embodiment of the invention;

FIG. 3 is a schematic structural view of a small slide block insert of the demolding mechanism in the demolding position in the embodiment of the invention;

FIG. 4 is a schematic diagram of the cooperation between the coupling slide block and the upper slide block insert according to the embodiment of the present invention;

FIG. 5 is a schematic view of the linkage slider and the lower slider insert in accordance with an embodiment of the present invention;

FIG. 6 is a schematic view of the lower slide insert in a demolding position in an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a mold in an embodiment of the present invention.

In the figure:

100. a male mold; 200. a female mold; 101. a stop block;

1. a supporting base; 11. a first power member; 12. a limiting block;

2. a large slider seat; 21. a second power member; 22. connecting blocks; 23. a fixed block; 24. a fixing hole;

3. a large slider insert; 31. opening the gap;

4. a small slider insert; 400. an inner buckling die; 401. a mold release slide section; 41. an upper slider insert; 42. a lower slider insert;

5. a small slider seat; 51. a jack;

6. a linkage slide block; 61. a bevel;

7. a small slide block shifting block.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

Example one

As shown in fig. 1 to 6, the present embodiment provides a demolding mechanism, which includes a supporting base 1, a large slider base 2, a first power member 11, a large slider insert 3, a small slider insert 4, a small slider base 5 and a second power member 21, wherein the large slider base 2 is slidably disposed on the supporting base 1 along a first direction; the first power part 11 is fixedly arranged on the supporting seat 1, and the large sliding block seat 2 is connected with the output end of the first power part 11; the big slider insert 3 is fixedly arranged at one end of the big slider seat 2, and the big slider insert 3 is provided with a notch 31. The small slider insert 4 is arranged in the opening 31 in a sliding manner along the second direction; the first direction and the second direction are not parallel, preferably the second direction is perpendicular to the first direction. The small slide block insert 4 is provided with an injection molding position for injection molding and a demolding position for demolding; the small slider insert 4 is provided with an inner buckle die 400 along one side of the second direction, wherein the inner buckle die 400 extends along the second direction, and the inner buckle die 400 is used for preparing a convex inner buckle structure of the side wall of the groove of the product. The small sliding block seat 5 is arranged on the large sliding block seat 2 in a sliding mode along the first direction and is in transmission connection with the small sliding block insert 4, and the small sliding block insert 4 is driven to be switched to a demolding position from an injection molding position. The second power member 21 is used for driving the small slider seat 5 to slide.

In this embodiment, the demoulding mechanism drives the large slider insert 3 to move along the first direction through the first power part 11, the large slider insert 3 is provided with the notch 31, the small slider insert 4 slides along the second direction and is arranged in the notch 31, and the small slider insert 4 is driven by the small slider seat 5 to be switched to the demoulding position from the injection moulding position. During the drawing of patterns, drive 4 to the drawing of patterns positions with little slider income son through little slider seat 5 earlier, at this moment, the big slider of rethread 11 drive goes into the groove structure of son 3 keeping away from the product, can accomplish the drawing of patterns. The invention has compact structure and high demoulding efficiency.

In addition, the small slider seat 5 is connected with the large slider seat 2 in a sliding manner, so that the small slider seat 5 can stably move, and therefore, stable driving force can be provided for switching the position of the small slider insert 4, and the small slider insert can be switched from the injection molding position to the demolding position. The small slider seat 5 slides along the first direction, so that the sliding directions of the small slider seat 5 and the large slider seat 2 are consistent, and the compactness of the structure of the embodiment is further improved.

In this embodiment, optionally, the demolding mechanism further includes a linking slider 6, the linking slider 6 is slidably disposed in the opening 31 along the first direction, one end of the linking slider 6 is fixedly connected to the small slider seat 5, and the linking slider 6 is slidably connected to the small slider insert 4 through a dovetail groove structure; the side surface of the linkage sliding block 6 facing the small sliding block insert 4 is a slope 61, and the slope 61 inclines towards the direction far away from the inner buckle die 400 along the direction far away from the small sliding block seat 5. With the help of above-mentioned setting, when interlock slider 6 kept away from big slider income sub 3, can drive the little slider and go into sub 4 and remove to the recess center direction of product, when interlock slider 6 goes into sub 3 near big slider, can drive the little slider and go into sub 4 and remove to the recess edge direction of product, interlock slider 6 can be gone into sub 4 by the little slider promptly and switch between position and the drawing of patterns position of moulding plastics.

Of course, in other embodiments, the small slider seat 5 and the small slider insert 4 may be connected by a rope, and when the small slider seat 5 is far away from the large slider insert 3, the small slider insert 4 is pulled to the demolding position in the second direction. In this embodiment, an elastic member is further disposed between the small slider insert 4 and the large slider insert 3, and the elastic member is used for restoring the small slider insert 4 to the injection molding position.

In this embodiment, regarding the structure of the small slider insert 4, specifically, the small slider insert 4 includes two upper slider inserts 41 and one lower slider insert 42, the upper slider inserts 41 are slidably disposed in the opening 31 with the upward opening along the second direction, the lower slider insert 42 is slidably disposed in the opening 31 with the downward opening along the second direction, and the two upper slider inserts 41 and the lower slider insert 42 are both provided with the inner buckle mold 400; the upper slider insert 41 and the lower slider insert 42 are correspondingly connected with the interlocking slider 6 in a sliding manner. With the above arrangement, the upper slider insert 41 and the lower slider insert 42 can be driven at the same time, and the demolding efficiency is improved.

Optionally, the second power member 21 includes an elastic member, and the elastic member is disposed between the large slider seat 2 and the small slider seat 5 in an abutting manner, and is configured to drive the small slider seat 5 to drive the small slider insert 4 to stop at the demolding position. The arrangement of the elastic piece enables the small sliding block seat 5 to move towards the direction far away from the large sliding block insert 3, no extra power is needed, and energy is saved.

Further, the large slider seat 2 is provided with a first mounting groove, and the small slider seat 5 is provided with a second mounting groove; the elastic piece is a spring, and two ends of the spring are respectively positioned in the first mounting groove and the second mounting groove. The arrangement improves the installation efficiency of the spring.

Further, the sum of the depth dimension of the first mounting groove and the depth dimension of the second mounting groove is larger than the total length dimension of the spring after compression. This setting avoids causing the damage to the spring when

little slider seat

5 and 2 butts of big slider seat.

In this embodiment, optionally, the demolding mechanism further includes a small slider shifting block 7, the small slider seat 5 is provided with a jack 51, and the large slider seat 2 is provided with a fixing hole 24; the small slide block shifting block 7 can penetrate through the insertion hole 51 and be inserted into the fixing hole 24 so as to lock the small slide block insert 4 at the injection molding position. This setting can lock little slider seat 5 in big slider seat 2, avoids the little slider seat 5 of process elastic component drive of moulding plastics to drive little slider and go into 4 switches to drawing of patterns positions, improve equipment's reliability.

In the structure of the insertion hole 51, in the present embodiment, the insertion hole 51 is inclined from the bottom to the large slider insert 3 side, that is, the center line of the insertion hole 51 is inclined, and the inclined line is inclined from the bottom to the large slider insert 3 side, and when the small slider shift block 7 is inserted from the top to the bottom, the small slider holder 5 moves toward the large slider insert 3. With the help of the above arrangement, the small slider seat 5 can be inserted into the jack 51 from top to bottom at the small slider shifting block 7, and the small slider seat 5 moves towards the large slider insert 3 to drive the small slider insert 4 to be switched to the injection molding position. The small sliding block shifting block 7 can realize locking of the small sliding block seat 5, and can also realize the function of driving the small sliding block seat 5 to the end, close to the large sliding block insert 3, of the large sliding block seat 2, at the moment, the small sliding block insert 4 is located at the injection molding position, so that multiple purposes of one object are realized, and the injection molding efficiency is improved.

Optionally, the first power member 11 includes a pull rod cylinder, the pull rod cylinder is fixedly disposed on the support base 1, and an output end of the pull rod cylinder is fixedly connected to the large slider base 2. Preferably, one end of the supporting seat 1 close to the first power member 11 is provided with a limiting block 12 for limiting the moving limit position of the large slider seat 2.

Preferably, the demolding mechanism further comprises a connecting block 22 and a fixing block 23, the connecting block 22 is fixedly connected to the large slider seat 2, the fixing block 23 is fixedly connected to the connecting block 22, a through hole is defined by the connecting block 22 and the fixing block 23, the small slider insert 4 is provided with a demolding sliding portion 401, and the demolding sliding portion 401 is slidably arranged in the through hole. The detachable assembly of the through hole is realized by the arrangement, and the small sliding block insert 4 is convenient to install.

Example two

Referring to fig. 7, the embodiment further provides a mold, which includes a male mold 100, a female mold 200 and the demolding mechanism in the above solution, wherein the small sliding block shifting block 7 is fixedly arranged on the male mold 100; the supporting seat 1 is fixedly arranged on the female die 200, and when the male die 100 is far away from the female die 200, the small sliding block shifting block 7 is pulled out from the jack 51 of the small sliding block seat 5. This setting has realized that little slider seat 5 can move to the direction of keeping away from big slider income 3 under the effect of elastic component when the die sinking to go into 4 drives little slider to the drawing of patterns positions, improved drawing of patterns efficiency.

Further, the mold further comprises a stop block 101, the stop block 101 is arranged on the male mold 100, and when the male mold 100 and the female mold 200 are closed, the stop block 101 abuts against one end of the small slider seat 5 far away from the large slider insert 3. This setting makes the mould before the die sinking, and little slider seat 5 is supported tightly by backstop piece 101, can not lead to little slider seat 5 to keeping away from 3 directions movements of big slider income under the elastic component effect because little slider shifting block 7 became invalid, has improved the reliability of mould production.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A demolding mechanism, characterized by comprising:

a support base (1);

the large sliding block seat (2) is arranged on the supporting seat (1) in a sliding manner along a first direction;

the first power piece (11) is fixedly arranged on the supporting seat (1), and the large sliding block seat (2) is connected with the output end of the first power piece;

the large sliding block insert (3) is fixedly arranged at one end of the large sliding block seat (2), and the large sliding block insert (3) is provided with a notch (31);

the small sliding block insert (4) is arranged in the notch (31) in a sliding mode along the second direction; the first direction and the second direction are not parallel; the small slide block insert (4) is provided with an injection molding position for injection molding and a demolding position for demolding; an inner buckling die (400) is arranged on one side of the small sliding block insert (4) along the second direction;

the small sliding block seat (5) is arranged on the large sliding block seat (2) in a sliding mode along the first direction, is in transmission connection with the small sliding block insert (4) and is used for driving the small sliding block insert (4) to be switched from the injection molding position to the demolding position;

and the second power piece (21) is used for driving the small sliding block seat (5) to slide.

2. The demoulding mechanism according to claim 1, further comprising a linkage sliding block (6), wherein the linkage sliding block (6) is arranged in the notch (31) in a sliding manner along the first direction, one end of the linkage sliding block (6) is fixedly connected with the small sliding block seat (5), and the linkage sliding block (6) is connected with the small sliding block insert (4) in a sliding manner through a dovetail groove structure; the side surface of the linkage sliding block (6) facing the small sliding block insert (4) is an inclined surface (61), and the inclined surface (61) is far away from the inner buckle die (400) along the direction far away from the small sliding block seat (5).

3. The demoulding mechanism according to claim 2, characterized in that the small slide insert (4) comprises two upper slide inserts (41) and one lower slide insert (42), the upper slide inserts (41) are arranged in the opening (31) with the upward opening in a sliding manner along the second direction, the lower slide inserts (42) are arranged in the opening (31) with the downward opening in a sliding manner along the second direction, and the upper slide inserts (41) and the lower slide inserts (42) are both provided with the inner buckle mold (400); the upper sliding block insert (41) and the lower sliding block insert (42) are correspondingly connected with the linkage sliding block (6) in a sliding mode.

4. The demolding mechanism according to claim 1, characterized in that the second power member (21) comprises an elastic member, which abuts between the large slider seat (2) and the small slider seat (5) for driving the small slider seat (5) to bring the small slider insert (4) to stop at the demolding position.

5. The demoulding mechanism according to claim 4, characterized in that the large slide seat (2) is provided with a first mounting groove and the small slide seat (5) is provided with a second mounting groove; the elastic piece is a spring, and two ends of the spring are respectively located in the first mounting groove and the second mounting groove.

6. A demoulding mechanism according to any of the claims 1 to 5, further comprising a small slide shifting block (7), wherein the small slide holder (5) is provided with a socket (51), and wherein the large slide holder (2) is provided with a fixing hole (24); the small sliding block shifting block (7) can penetrate through the insertion hole (51) and be inserted into the fixing hole (24) so as to lock the small sliding block insert (4) at the injection molding position.

7. The ejector mechanism according to claim 6, wherein the insertion hole (51) is inclined from bottom to top toward the large slider insert (3), and when the small slider block (7) is inserted from top to bottom, the small slider holder (5) moves toward the large slider insert (3).

8. The demolding mechanism according to claim 1, further comprising a connecting block (22) and a fixing block (23), wherein the connecting block (22) is fixedly connected to the large slider seat (2), the fixing block (23) is fixedly connected to the connecting block (22), a through hole is defined by the connecting block (22) and the fixing block (23), the small slider insert (4) is provided with a demolding sliding portion (401), and the demolding sliding portion (401) is slidably arranged in the through hole.

9. A mould, characterized by comprising a male mould (100), a female mould (200) and a demoulding mechanism according to any of claims 6 to 7, the small slide pusher (7) being fixed to the male mould (100); the supporting seat (1) is fixedly arranged on the female die (200), and when the male die (100) is far away from the female die (200), the small sliding block shifting block (7) is pulled out of the jack (51) of the small sliding block seat (5).

10. The mold according to claim 9, further comprising a stop block (101), wherein the stop block (101) is provided on the male mold (100), and when the male mold (100) and the female mold (200) are closed, the stop block (101) abuts against one end of the small slide seat (5) far away from the large slide insert (3).