A mold demoulding mechanism capable of demoulding in three directions simultaneously

Abstract

The present invention discloses a mold demoulding mechanism capable of demoulding in three directions simultaneously, comprising a base, a sliding seat capable of sliding on the base, a driving device for driving the sliding seat to slide, a main slider connected to the front end of the sliding seat, a secondary upper slider capable of driving the main slider to slide backward and downward after the main slider slides backward a certain distance, a secondary side slider capable of driving the main slider to slide backward and to the right after the main slider slides backward a certain distance is provided on the left side of the main slider, and after the driving device drives the main slider to slide backward a certain distance, the main slider drives the secondary upper slider and the secondary side slider to move backward, thereby realizing demoulding in three directions of backward, downward and right simultaneously. The present invention has the advantages of simple structure, low cost, small space, high efficiency and good stability.

Description

[Technical field]

[0001] The invention relates to a mould demoulding mechanism capable of simultaneously demoulding in three directions. [Background technology]

[0002] There are more and more plastic products in our daily life. With the rapid development of the plastic industry and the continuous improvement of the strength and quality of general and engineering plastics, plastic products are all processed by injection molds. In the process of mold design and manufacturing, especially injection molding of automotive plastic accessories, such as rearview mirror shells and headlight shells, there are undercuts around the rearview mirror shells and headlight shells. Now, inclined tops or other mechanisms are generally used for demoulding, but the existing demoulding structure is relatively expensive and complex.

[0003] The invention aims to solve the problem that there are undercuts around the circumference of the injection molded product, the existing demoulding structure of the injection molded product is complex and the cost is high. [Summary of the invention]

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a mold demoulding mechanism which has simple structure, low cost, small space, high efficiency, good stability and can demould from three directions simultaneously.

[0005] The object of the present invention is achieved in that:

[0006] A mold demoulding mechanism capable of demoulding in three directions simultaneously, characterized in that it comprises a base, a sliding seat which can slide on the base is provided on the base, a driving device which drives the sliding seat to slide is provided at the rear end of the sliding seat, a main sliding block is connected to the front end of the sliding seat, a secondary upper sliding block is provided on the upper part of the main sliding block which can drive the main sliding block to slide backward and downward after the main sliding block slides backward a certain distance; a secondary side sliding block is provided on the left side of the main sliding block which can drive the main sliding block to slide backward and to the right after the main sliding block slides backward a certain distance; after the driving device drives the sliding seat to slide backward a certain distance, the main sliding block drives the secondary upper sliding block and the secondary side sliding block to move backward, thereby realizing demoulding in three directions of backward, downward and right simultaneously.

[0007] The mold demolding mechanism as described above can demold in three directions at the same time, characterized in that an upper wedge-shaped groove is provided on the upper part of the main slider, the upper wedge-shaped groove is inclined to be low in the front and high in the back, an upper wedge-shaped protrusion cooperating with the upper wedge-shaped groove is provided on the lower part of the secondary upper slider, and a first elastic reset structure is provided between the upper wedge-shaped groove and the upper wedge-shaped protrusion.

[0008] As described above, a mold demolding mechanism that can demold in three directions simultaneously is characterized in that the first elastic reset structure includes an upper groove provided on one side of the upper wedge-shaped groove close to the sliding seat, an upper slider top block is provided on the lower part of the side of the secondary upper slider close to the sliding seat, the upper slider top block can be inserted into the upper groove, and a first spring is also provided in the upper groove.

[0009] The mold demolding mechanism as described above can demold in three directions at the same time, characterized in that a side wedge groove is provided on the left side of the main slider, the side wedge groove is inclined to be thin at the front and thick at the back, a side wedge protrusion cooperating with the side wedge groove is provided on the left side of the secondary side slider, and a second elastic reset structure is provided between the side wedge groove and the side wedge protrusion.

[0010] As described above, a mold demolding mechanism that can demold in three directions simultaneously is characterized in that the second elastic reset structure includes a side groove provided on the side close to the sliding seat in the side wedge-shaped groove, a secondary side slider top block is provided inside the side close to the sliding seat, the side slider top block can be inserted into the side groove, and a second spring is also provided in the side groove.

[0011] The mold demoulding mechanism capable of demolding in three directions simultaneously as described above is characterized in that an insert is fixed to the right side of the main slider.

[0012] The mold demoulding mechanism capable of demolding in three directions simultaneously as described above is characterized in that a pair of rails is provided on the base, the inner sides of the lower parts of the pair of rails are provided with limiting grooves, and limiting steps cooperating with the limiting grooves are provided on both sides of the lower part of the sliding seat.

[0013] The mold demoulding mechanism capable of demolding in three directions simultaneously as described above is characterized in that main slider fixing blocks are provided at the upper and lower parts of the rear end of the main slider, and a sliding seat fixing groove is provided at the front end of the sliding seat for inserting the main slider fixing block.

[0014] The beneficial effects of the present invention are:

[0015] The present invention has the advantages of simple structure, low cost, small space, high efficiency and good stability.

Brief Description of the Drawings

[0016] Figure 1 is a stereogram of the present invention;

[0017] Figure 2 It is a partial structural diagram of the present invention;

[0018] Figure 3 yes Figure 2 Exploded diagram of

[0019] Figure 4 It is a structural diagram of the main slider, the secondary upper slider and the secondary side slider of the present invention;

[0020] Figure 5 It is a structural diagram of the main slider, the secondary upper slider and the secondary side slider of the present invention;

[0021] Figure 6 It is a structural diagram of the main slider of the present invention. [Specific implementation method]

[0022] The present invention will be further described below in conjunction with the accompanying drawings:

[0023] A mold demoulding mechanism capable of demoulding in three directions simultaneously comprises a base 1, a sliding seat 2 which can slide on the base is provided on the base 1, a driving device 3 which drives the sliding seat 2 to slide is provided at the rear end of the sliding seat 2, a main sliding block 5 is connected to the front end of the sliding seat 2, a secondary upper sliding block 6 which can drive the main sliding block to slide backward and downward after the main sliding block slides backward for a certain distance is provided on the upper part of the main sliding block 5; a secondary side sliding block 7 which can drive the main sliding block to slide backward and to the right after the main sliding block slides backward for a certain distance is provided on the left side of the main sliding block 5; after the driving device 3 drives the main sliding block 5 to slide backward for a certain distance, the main sliding block 5 drives the secondary upper sliding block 6 and the secondary side sliding block 7 to move backward, thereby realizing demoulding in three directions of backward, downward and right simultaneously.

[0024] The driving device 3 of the present invention may be an oil cylinder, an air cylinder or the like.

[0025] The front portion of the secondary upper slider 6 of the present invention has an arc shape matching the injection molded product, and the left side of the secondary side slider 7 has an arc shape matching the injection molded product.

[0026] An upper wedge-shaped groove 51 is provided on the upper part of the main slider 5 of the present invention. The upper wedge-shaped groove is inclined to be lower in the front and higher in the rear. An upper wedge-shaped protrusion 61 cooperating with the upper wedge-shaped groove is provided on the lower part of the secondary upper slider 6. A first elastic reset structure 8 is provided between the upper wedge-shaped groove 51 and the upper wedge-shaped protrusion 61.

[0027] The first elastic reset structure 8 of the present invention includes an upper groove 81 provided on one side of the upper wedge-shaped groove 51 close to the sliding seat 2, and an upper slider top block 82 is provided on the lower part of the side of the secondary upper slider 6 close to the sliding seat. The upper slider top block 82 can be inserted into the upper groove 81, and a first spring 83 is also provided in the upper groove 81.

[0028] A side wedge groove 52 is provided on the left side of the main slider 5 of the present invention. The side wedge groove 52 is inclined to be thin at the front and thick at the back. A side wedge protrusion 71 cooperating with the side wedge groove 52 is provided on the left side of the secondary side slider 7. A second elastic reset structure 9 is provided between the side wedge groove 52 and the side wedge protrusion 71.

[0029] The second elastic reset structure 9 of the present invention includes a side groove 91 provided on the side of the side wedge groove 52 close to the sliding seat, and a secondary side slider top block 92 is provided inside the side of the secondary side slider 7 close to the sliding seat. The side slider top block 92 can be inserted into the side groove 91, and a second spring 93 is also provided in the side groove 91.

[0030] An insert 4 is also fixed to the right side of the main sliding block 5 of the present invention.

[0031] The base 1 of the present invention is provided with a pair of rails 11 , the inner sides of the lower parts of the pair of rails 11 are provided with limiting grooves 12 , and both sides of the lower part of the sliding seat 2 are provided with limiting steps matching with the limiting grooves 12 .

[0032] The rear end upper and lower parts of the main slider 5 of the present invention are both provided with main slider fixing blocks 53, and the front end of the sliding seat 2 is provided with a sliding seat fixing groove 21 for the main slider fixing block 53 to be inserted into. The main slider fixing block 53 is a square block, and the sliding seat fixing groove 21 is a square groove matching it, which not only plays a fixing role, but also can play a positioning role.

[0033] The main slider 5, the secondary upper slider 6, the secondary side slider 7 and the insert 4 of the present invention can form a mold core after being closed. The insert 4 can be an integral structure with the main slider 5 or a separate structure.

Claims

1. A mold demoulding mechanism capable of demoulding in three directions simultaneously, characterized in that The invention comprises a base (1), wherein a sliding seat (2) which can slide on the base is provided on the base (1), a driving device (3) which drives the sliding seat (2) to slide is provided at the rear end of the sliding seat (2), a main sliding block (5) is connected to the front end of the sliding seat (2), a secondary upper sliding block (6) which can drive the main sliding block to slide backward and downward after the main sliding block slides backward a certain distance is provided on the upper part of the main sliding block (5); a secondary side sliding block (7) which can drive the main sliding block to slide backward and to the right after the main sliding block slides backward a certain distance is provided on the left side of the main sliding block (5), after the driving device (3) drives the main sliding block (5) to slide backward a certain distance, the main sliding block (5) then drives the secondary upper sliding block (6) and the secondary side sliding block (7) to move backward, thereby realizing simultaneous demoulding in three directions: backward, downward and rightward.

2. A mold demoulding mechanism capable of demoulding in three directions simultaneously according to claim 1, characterized in that An upper wedge-shaped groove (51) is provided at the upper part of the main sliding block (5), and the upper wedge-shaped groove (51) is inclined so that it is lower at the front and higher at the rear. An upper wedge-shaped protrusion (61) matching with the upper wedge-shaped groove (51) is provided at the lower part of the secondary upper sliding block (6), and a first elastic reset structure (8) is provided between the upper wedge-shaped groove (51) and the upper wedge-shaped protrusion (61).

3. A mold demoulding mechanism capable of demoulding in three directions simultaneously according to claim 2, characterized in that The first elastic reset structure (8) comprises an upper groove (81) provided on one side of the upper wedge-shaped groove (51) close to the sliding seat (2), an upper slider top block (82) provided on the lower part of one side of the secondary upper slider (6) close to the sliding seat, the upper slider top block (82) can be inserted into the upper groove (81), and a first spring (83) is also provided in the upper groove (81).

4. The mold demoulding mechanism capable of demoulding in three directions simultaneously according to claim 1, characterized in that A side wedge-shaped groove (52) is arranged on the left side of the main sliding block (5), and the side wedge-shaped groove (52) is inclined so as to be thin at the front and thick at the rear. A side wedge-shaped protrusion (71) matching with the side wedge-shaped groove (52) is arranged on the left side of the secondary side sliding block (7), and a second elastic reset structure (9) is arranged between the side wedge-shaped groove (52) and the side wedge-shaped protrusion (71).

5. The mold demoulding mechanism capable of demoulding in three directions simultaneously according to claim 4, characterized in that The second elastic reset structure (9) comprises a side groove (91) provided on a side of the side wedge-shaped groove (52) close to the sliding seat, a secondary side slider top block (92) is provided inside the side of the secondary side slider (7) close to the sliding seat, the side slider top block (92) can be inserted into the side groove (91), and a second spring (93) is also provided in the side groove (91).

6. The mold demoulding mechanism capable of demoulding in three directions simultaneously according to claim 1, characterized in that An insert (4) is also fixed on the right side of the main sliding block (5).

7. The mold demoulding mechanism capable of demoulding in three directions simultaneously according to claim 1, characterized in that A pair of rails (11) are provided on the base (1), and limiting grooves (12) are provided on the inner sides of the lower parts of the pair of rails (11). Limiting steps matching the limiting grooves (12) are provided on both sides of the lower part of the sliding seat (2).

8. The mold demoulding mechanism capable of demoulding in three directions simultaneously according to claim 1, characterized in that The upper and lower parts of the rear end of the main slider (5) are both provided with main slider fixing blocks (53), and the front end of the sliding seat (2) is provided with a sliding seat fixing groove (21) for the main slider fixing block (53) to be inserted.

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