CN217373335U

CN217373335U - Automatic finished product detaching device for injection mold

Info

Publication number: CN217373335U
Application number: CN202221070075.3U
Authority: CN
Inventors: 曾满满; 简振华
Original assignee: Aizhuo Intelligent Technology Changzhou Co ltd
Current assignee: Aizhuo Intelligent Technology Changzhou Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-09-06
Anticipated expiration: 2032-05-06

Abstract

The utility model provides an automatic device that shirks of finished product for injection mould, including the upper die body, the upper die body is connected with actuating mechanism, the upper die body includes first upper die portion and can be with the second upper die portion that the lower mould was laminated mutually, first upper die portion is connected with actuating mechanism, first upper die portion can link together with second upper die portion mutually separating through the spring, be provided with in first upper die portion and will attach when first upper die portion separates with second upper die portion and open and make the structure of shirking that finished product and second upper die portion separated mutually, the middle part of second upper die portion is provided with the die body through-hole that can hold the structure of shirking. The utility model has the advantages that: through the relative displacement of first cope match-plate pattern portion and second cope match-plate pattern portion, make and shirk the structure and act on injection moulding's finished product part, realize the automatic drawing of patterns of finished product part, the drawing of patterns is efficient, and is effectual.

Description

Automatic finished product detaching device for injection mold

Technical Field

The utility model relates to an injection mold makes technical field, especially indicates an automatic device that shirks of finished product for injection mold.

Background

The existing Chinese utility model patent with the application number of CN202021898771.4 named as injection mold for stably stripping discloses an injection mold for stably stripping, which comprises an upper liner plate, an upper template, a lower die holder and a lower liner plate, wherein an injection main runner is arranged in the upper template, a convex module is arranged at the bottom of the upper template, and two first magnetic pieces are fixed at the bottom of the upper template; the lower template is provided with an injection molding shunting passage and a female die cavity, the bottom of the injection molding shunting passage is connected with a water gap groove, the bottom of the water gap groove is connected with a first stripping hole, the female die cavity is surrounded by a lens holder groove, the bottom of the lens holder groove is connected with a delay passage, and the lower template is provided with two lifting holes; the lower die base is internally provided with a stripping cavity, the stripping cavity is internally connected with a stripping plate in a sliding manner, a first ejector pin is fixed on the stripping plate, the stripping plate is provided with a delay ejection mechanism, and the stripping plate is also fixed with two second magnetic parts. The utility model discloses a can drive each thimble when the die sinking and rise, take off the material with low costs, take off the material action reliable and stable. However, the injection mold is difficult to be applied to an injection mold with a runner located on the lower mold and an injection molding product attached to the upper mold, and therefore the structure of the injection mold needs to be further improved.

Disclosure of Invention

The utility model aims to solve the technical problem that a finished product that will the shaping and attach on last die body breaks away from automatically, the automatic device of shirking of finished product that is used for the injection mould that availability factor is high is provided to above-mentioned prior art current situation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this a finished product is automatic to be shirked device for injection mould, including can laminate with lower mould body and form the chamber of moulding plastics and be used for making off-the-shelf last mould body, it is connected its characterized in that with the actuating mechanism that can drive the relative lower mould body of last mould body and reciprocate: the upper die body comprises a first upper die portion and a second upper die portion which can be attached to the lower die, the first upper die portion is connected with the driving mechanism and can be connected with the second upper die portion in a mutually separated mode through a spring, a detaching structure which can be used for ejecting a finished product attached to the second upper die portion when the first upper die portion is separated from the second upper die portion and enabling the finished product to be separated from the second upper die portion is arranged on the first upper die portion, and a die body through hole which can accommodate the detaching structure is formed in the middle of the second upper die portion.

As an improvement, the detaching structure preferably comprises a driving block, a limiting block and a driven block, the limiting block is connected in the die body through hole, the driven block can be obliquely connected with the limiting block in a manner of moving up and down relative to the limiting block, the upper end of the driven block is connected with the driving block, the driving block is connected with the first upper die, and the lower end of the driven block can be driven by the driving block to be inserted into a finished product.

Further improve, can prefer to be provided with the block through-hole on the stopper, the driven piece is worn to arrange in the block through-hole.

The improved die is characterized in that the driving block can preferably comprise a vertically-arranged pulling block and a horizontally-arranged guide block, the top of the pulling block is connected with the first upper die, the bottom of the pulling block is connected with one end of the guide block in a sliding mode, the other end of the guide block is connected with the driven block in a sliding mode, a pressing plate is arranged on an opening in the top of the die body through hole, and the pressing plate is in abutting contact with the top surface of the guide block.

In a further improvement, boss parts can be preferably arranged on the inner walls of the die body through holes at two sides of the guide block, two ends of the pressing plate are respectively connected to the top surfaces of the corresponding boss parts through screws, and the top surface of the pressing plate is flush with the top surface of the second upper die part or slightly lower than the top surface of the second upper die part.

The improved structure of the guide block is characterized in that sliding grooves can be preferably and respectively arranged at two ends of the guide block, the bottom of the pulling block is obliquely provided with a pulling block buckling part which can be matched with the left sliding groove of the guide block, and the upper part of the driven block is provided with a driven block buckling part which can be matched with the right sliding groove of the guide block.

In a further development, recesses can preferably be distributed on the outer circumferential surface of the follower block, in each of which a corresponding adjusting block is fitted.

As a refinement, a molding block for molding the part is preferably detachably connected to the bottom surface of the second upper mold part.

As an improvement, guide posts can be preferably distributed on the bottom surface of the first upper die part, and the spring is sleeved on the corresponding guide posts.

As an improvement, two sides of the first upper mold part may be preferably provided with a pull rod respectively, and two sides of the second upper mold part are provided with a side wall convex part which can be buckled with the corresponding pull rod to enable the second upper mold part to rise along with the first upper mold part respectively.

Compared with the prior art, the utility model has the advantages of: the first upper die part and the second upper die part are relatively displaced, so that the detaching structure acts on the finished parts formed by injection molding, the finished parts are automatically demolded, the demolding efficiency is high, and the effect is good; the detaching structure is arranged in the die body through hole of the second upper die part, the occupied space is small, the detaching structure is of a pure mechanical structure, sequential transmission is realized, the failure is not easy to occur, and the maintenance and the replacement are very convenient; the finished product is separated through force conduction between the blocks, demoulding operation is completed in the mould opening process, the material taking time is not increased, and the using efficiency is good.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a perspective view of FIG. 1 at another angle;

FIG. 3 is an exploded view of the structure of FIG. 1;

FIG. 4 is a perspective view of FIG. 2 at another angle;

FIG. 5 is a front perspective view of the second mold section of FIG. 3 with the second mold section removed;

FIG. 6 is an exploded view of the first overmold portion of FIG. 5, removed;

fig. 7 is a further exploded view of fig. 6.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 7, the automatic finished product removing device for an injection mold of this embodiment includes an upper mold body that can be attached to a lower mold body to form an injection molding cavity and is used for manufacturing a finished product 4, the upper mold body is connected to a driving mechanism that can drive the upper mold body to move up and down relative to the lower mold body, the upper mold body includes a first upper mold portion 1 and a second upper mold portion 2 that can be attached to the lower mold body, the first upper mold portion 1 is connected to the driving mechanism, the first upper mold portion 1 and the second upper mold portion 2 can be separately connected together through a spring 11, a removing structure that can push away a finished product 4 attached to the second upper mold portion 2 when the first upper mold portion 1 is separated from the second upper mold portion 2 to separate the finished product 4 from the second upper mold portion 2 is provided on the first upper mold portion 1, and a through hole 21 that can accommodate the mold body of the removing structure is provided in the middle of the second upper mold portion 2. The specific structure of the driving mechanism and the specific working principle of the driving mechanism driving the upper mold body to move up and down belong to the known technology, so the detailed description is omitted. The structure of the lower mold body is prior art and will not be described in detail.

The detaching structure comprises a driving block, a limiting block 3 and a driven block 31, wherein the limiting block 3 is connected in the die body through hole 21, the driven block 31 can be connected with the limiting block 3 in a manner of moving up and down obliquely relative to the limiting block 3, the upper end of the driven block 31 is connected with the driving block, the driving block is connected with the first upper die part 1, and the lower end of the driven block 31 can be driven by the driving block to be inserted into a finished product 4. The limiting block 3 is provided with a block through hole 30, and the driven block 31 penetrates through the block through hole 30.

The drive block includes the guide block 6 of the pull block 5 and the level setting of vertical setting, and the top of pull block 5 is connected with first cope match-plate pattern portion 1, and the bottom of pull block 5 is connected with the one end of guide block 6 slides, and the other end of guide block 6 is connected with driven piece 31 slides, is provided with clamp plate 22 on the open-top of die body through-hole 21, and clamp plate 22 is in the same place with the top surface top contact of guide block 6. Boss parts 23 are arranged on the inner walls of the die body through holes at two sides of the guide block 6, two ends of the pressing plate 22 are respectively connected to the top surfaces of the corresponding boss parts 23 through screws, and the top surface of the pressing plate 22 is flush with the top surface of the second upper die part 2 or slightly lower than the top surface of the second upper die part 2. Sliding grooves are respectively arranged at two ends of the guide block 6, a pulling block buckling part which can be matched with the left sliding groove 61 of the guide block 6 is obliquely arranged at the bottom of the pulling block 5, and a driven block buckling part which can be matched with the right sliding groove 62 of the guide block 6 is arranged at the upper part of the driven block 31. Grooves are distributed on the outer peripheral surface of the follower block 31, and a corresponding adjustment block body 32 is fitted in each groove. A molding block 24 for molding a part is detachably attached to the bottom surface of the second upper mold part 2.

Guide posts 12 are distributed on the bottom surface of the first upper die part 1, and the spring 11 is sleeved on the corresponding guide posts 12. Two sides of the first upper die part 1 are respectively provided with a buckling rod 13, and two sides of the second upper die part 2 are respectively provided with a side wall convex part which can be buckled with the corresponding buckling rod 13 to enable the second upper die part 2 to rise along with the first upper die part 1.

The working principle is as follows: the device relates to a plurality of pairs of sliders with different angles and different types to move mutually so as to realize the demoulding of finished parts, a pull block type slider, a guide slider, a detachable slider, a guide mechanism and a reset mechanism, wherein various mechanisms are matched, a plurality of pairs of large-angle pull blocks are buckled by one ring to move in a linked manner, the angles of the pull block type slider are at the critical point position, and four groups of sliders move smoothly and are closely matched.

Because the part structure is complicated, the detaching mechanism is arranged on the upper die, and the die adopts a reverse die. The hot runner is arranged on the lower die. The mold is firstly closed and injected with mold, and then opened after injection molding, in the mold opening process, the machine buckling movement of the two sides of the mold enables a buckling rod of the machine buckling to be in contact with a convex part of a side wall, a first upper mold part and a second upper mold part are separated by a certain distance under the action of internal spring pressure, and simultaneously drive a pulling block to move upwards, then under the drive of the pulling block and the limiting action of a pressing plate, a guide block moves rightwards, at the moment, under the pushing action of the guide block and the guiding action of a limiting block, a driven block moves along the direction of the limiting block, the upper mold core pulling is performed to remove a finished product of a part, the movement is completed, the finished product is reversely buckled and withdrawn, the mold continues to be opened until the whole machine buckling is released, and the mold opening is completed.

Claims

1. The utility model provides an automatic device that shirks of finished product for injection mould, includes can laminate and form the last mould body of moulding plastics chamber and being used for making finished product (4) with lower mould body, go up the mould body and be connected its characterized in that with the actuating mechanism that can drive last mould body and reciprocate relatively lower mould body: the upper die body comprises a first upper die part (1) and a second upper die part (2) which can be attached to a lower die, the first upper die part (1) is connected with a driving mechanism, the first upper die part (1) and the second upper die part (2) can be connected together in a mutually separated mode through a spring (11), a detaching structure which can be used for ejecting a finished product (4) attached to the second upper die part (2) when the first upper die part (1) is separated from the second upper die part (2) so as to separate the finished product (4) from the second upper die part (2) is arranged on the first upper die part (1), and a die body through hole (21) capable of accommodating the detaching structure is formed in the middle of the second upper die part (2).

2. The automatic finished product doffing device according to claim 1, wherein: the detaching structure comprises a driving block, a limiting block (3) and a driven block (31), the limiting block (3) is connected in a die body through hole (21), the driven block (31) can obliquely move up and down relative to the limiting block (3) and is connected with the limiting block (3), the upper end of the driven block (31) is connected with the driving block, the driving block is connected with the first upper die part (1), and the lower end of the driven block (31) can be driven by the driving block to be inserted into a finished product (4).

3. The automatic finished product doffing device according to claim 2, wherein: the limiting block (3) is provided with a block through hole (30), and the driven block (31) penetrates through the block through hole (30).

4. The automatic finished product doffing device according to claim 3, wherein: the drive block includes the guide block (6) that vertical setting's pull out piece (5) and level set up, the top of pull out piece (5) is connected with first cope match-plate pattern portion (1), the bottom of pull out piece (5) is connected with the one end slip of guide block (6), the other end of guide block (6) is connected with driven piece (31) slip, is provided with clamp plate (22) on the open-top of die body through-hole (21), clamp plate (22) are in the same place with the top surface top contact of guide block (6).

5. The automatic finished product doffing device according to claim 4, wherein: boss parts (23) are arranged on the inner walls of the die body through holes on the two sides of the guide block (6), the two ends of the pressing plate (22) are respectively connected to the top surfaces of the corresponding boss parts (23) through screws, and the top surface of the pressing plate (22) is flush with the top surface of the second upper die part (2) or is slightly lower than the top surface of the second upper die part (2).

6. The automatic finished product doffing device according to claim 4, wherein: the two ends of the guide block (6) are respectively provided with a sliding groove, the bottom of the pulling block (5) is obliquely provided with a pulling block buckling part which can be matched with the left sliding groove (61) of the guide block (6), and the upper part of the driven block (31) is provided with a driven block buckling part which can be matched with the right sliding groove (62) of the guide block (6).

7. The automatic finished product doffing device according to claim 6, wherein: grooves are distributed on the outer peripheral surface of the driven block (31), and a corresponding adjusting block body (32) is embedded in each groove.

8. The automatic finished product doffing device according to any one of claims 1 to 7, wherein: a molding block (24) for molding a part is detachably connected to the bottom surface of the second upper mold part (2).

9. The automatic finished product doffing device according to any one of claims 1 to 7, wherein: guide posts (12) are distributed on the bottom surface of the first upper die part (1), and the springs (11) are sleeved on the corresponding guide posts (12).

10. The automatic finished product doffing device according to any one of claims 1 to 7, wherein: and buckling rods (13) are respectively arranged on two sides of the first upper die part (1), and side wall convex parts which can be buckled with the corresponding buckling rods (13) to enable the second upper die part (2) to rise along with the first upper die part (1) are respectively arranged on two sides of the second upper die part (2).