CN216032210U

CN216032210U - Injection mold capable of adjusting size of sprue gate

Info

Publication number: CN216032210U
Application number: CN202122749718.9U
Authority: CN
Inventors: 赵静
Original assignee: Qingdao Hengjiasheng Precision Industry Co ltd
Current assignee: Qingdao Hengjiasheng Precision Industry Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-03-15
Anticipated expiration: 2031-11-10

Abstract

The utility model relates to the technical field of injection molds, in particular to an injection mold capable of adjusting the size of a pouring gate, which comprises an upper mold body and a lower mold body which are arranged up and down, wherein the upper end of the upper mold body is provided with an inner pouring gate, the upper end of the upper mold body is rotatably connected with an adjusting disc, a plurality of mounting holes are uniformly arrayed on the adjusting disc along the circle center of the adjusting disc and are matched with the inner pouring gate, pouring rings are arranged at the mounting holes, the inner diameters of the pouring rings are different, a driving mechanism and a positioning structure are connected between the adjusting disc and the upper mold body, the utility model can select actual pouring needs by the adjusting disc, the mounting holes and the pouring rings with different inner diameters, only the adjusting disc is required to be rotated, so that one pouring ring with the corresponding inner diameter is rotated to the inner pouring gate, the size of this sprue gate structure of convenient quick adjustment, the operation is more nimble.

Description

Injection mold capable of adjusting size of sprue gate

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold capable of adjusting the size of a sprue gate.

Background

The working of plastics now is a more common product, and the working of plastics all can be applied to in various trades, and the shaping of working of plastics is melted through the injection molding machine through the plastics master batch to in pouring into the mould that has opened, let its shaping through the mould, take out after the cooling, form the working of plastics product, this process needs use injection mold.

In the prior art, the following problems exist:

(1) most of the pouring gate structures of the existing injection molds are integrated with an upper mold body, the sizes of the pouring gate structures are fixed, and the pouring gate structures cannot be adjusted according to actual needs, so that the injection molding operation has great limitation;

(2) a few of the existing injection molds can be replaced according to actual needs, but the replacement operation is time-consuming, and the operation efficiency is not high.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an injection mold capable of adjusting the size of a pouring gate, so as to solve the problems mentioned in the background art.

The technical scheme of the utility model is as follows: the utility model provides an injection mold of size of adjustable sprue gate, includes the last die body and the lower die body that set up from top to bottom, the upper end of going up the die body is provided with interior sprue gate, the upper end of going up the die body is rotated and is connected with the adjustment disk, be provided with a plurality of mounting holes along its even array in centre of a circle on the adjustment disk, and a plurality of mounting holes all with interior sprue gate looks adaptation, mounting hole department is provided with pours the ring, and a plurality of internal diameter variation in size of pouring the ring, be connected with fixed knot structure between the upper end of pouring the ring and the adjustment disk, be connected with actuating mechanism and location structure between adjustment disk and the last die body.

Preferably, the driving mechanism comprises a driving assembly and an operating member, the operating member is rotatably connected with the upper die body, and the driving assembly is connected between the adjusting disc and the operating member.

Preferably, the driving assembly comprises an outer gear ring and a gear, the outer gear ring is fixedly sleeved on the outer side of the adjusting disc, and the gear is fixedly sleeved on the operating member and meshed with the outer gear ring.

Preferably, the operating member comprises an operating handle, the operating handle is rotatably connected with the upper end face of the upper die body, and the gear is fixedly sleeved on the operating handle.

Preferably, the location structure includes the gag lever post, set up in the spacing groove of last mould body up end and around the centre of a circle of adjusting disk evenly set up a plurality of slide openings on the adjusting disk, and a plurality of slide openings all with spacing groove looks adaptation, the gag lever post slides and runs through the slide opening and extend to in the spacing groove.

Preferably, the outside cover of gag lever post is equipped with extension spring, extension spring fixed connection is between the up end of gag lever post and the up end of adjustment disk.

Preferably, the lower end face of the pouring ring is lower than the lower end face of the adjusting disc, and a sliding groove for the pouring ring to rotate around the circle center of the adjusting disc is formed in the upper end face of the upper die body.

Preferably, the fixed knot constructs including fixed cover connect in the spacing ring edge of pouring ring upper end outer edge department and fixed connection in the stationary blade on the spacing ring edge, threaded connection has fixing bolt between stationary blade and the adjustment disk.

Preferably, the outside cover of drive assembly is equipped with the protection casing, and the up end fixed connection of protection casing and last die body, the inner wall of protection casing bonds and has the soundproof cotton layer, and the surface on soundproof cotton layer sets up to the corrugate.

The utility model provides an injection mold capable of adjusting the size of a pouring gate by improving, compared with the prior art, the injection mold has the following improvements and advantages:

one is as follows: according to the utility model, through the adjusting disc, the mounting hole and the pouring rings with different inner diameters, the pouring rings with different inner diameters can be selected for actual pouring, and only the adjusting disc needs to be rotated, so that one pouring ring with the corresponding inner diameter is rotated to the inner pouring gate, the size of the pouring gate structure can be conveniently and rapidly adjusted, and the operation is more flexible;

the second step is as follows: according to the utility model, through the matching action of the arranged driving mechanism and the positioning structure comprising the extension spring and the limiting rod, when one pouring ring with the corresponding inner diameter is superposed with the inner pouring gate, the extension spring automatically drives the limiting rod to be inserted into the limiting groove, manual operation is not needed, and the positioning structure is convenient for accurately superposing and fixing the pouring ring with the corresponding inner diameter with the inner pouring gate.

Drawings

The utility model is further explained below with reference to the figures and examples:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic illustration of a split isometric configuration of the present invention;

FIG. 3 is a schematic perspective view of the present invention at the dial;

FIG. 4 is a schematic perspective view of the present invention with the adjusting plate removed from the casting ring;

FIG. 5 is a schematic perspective view of the casting ring of the present invention;

FIG. 6 is a schematic perspective view of a second embodiment of the present invention;

fig. 7 is a perspective view of the shield of the present invention.

Description of reference numerals:

1. feeding a mold body; 2. a lower die body; 3. an inner sprue gate; 4. an adjusting disk; 5. mounting holes; 6. pouring a ring; 7. a chute; 8. a limiting ring edge; 9. a fixing sheet; 10. fixing the bolt; 11. an outer ring gear; 12. a gear; 13. an operating handle; 14. a limiting rod; 15. a limiting groove; 16. an extension spring; 17. a slide hole; 18. a protective cover; 19. and a soundproof cotton layer.

Detailed Description

The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides an injection mold capable of adjusting the size of a pouring gate through improvement, and the technical scheme of the utility model is as follows:

as shown in fig. 1 to 7, an injection mold capable of adjusting the size of a gate comprises an upper mold body 1 and a lower mold body 2 which are arranged up and down, an inner gate 3 is arranged at the upper end of the upper mold body 1, and plastic master batches melted by an injection molding machine are injected into a mold cavity of the lower mold body 2 through the inner gate 3.

Go up the upper end of die body 1 and rotate and be connected with adjustment disk 4, the even array in its centre of a circle is provided with a plurality of mounting holes 5 on adjustment disk 4, and a plurality of mounting holes 5 all with interior sprue gate 3 looks adaptation, mounting hole 5 department is provided with pours ring 6, and a plurality of internal diameter variation in size of pouring ring 6, a plurality of rings of pouring of internal diameter variation in size can supply the actual needs of pouring to select, only need rotate adjustment disk 4, make a ring of pouring of corresponding internal diameter size 6 rotate 3 departments of interior sprue gate can, the size of this sprue gate structure of convenient quick adjustment, the operation is more nimble.

Be connected with fixed knot structure between the upper end of pouring ring 6 and adjusting disk 4, utilize fixed knot structure to fix pouring ring 6 in mounting hole 5 department, convenient fixed and change.

A driving mechanism and a positioning structure are connected between the adjusting disc 4 and the upper die body 1; the driving mechanism is convenient for operators to rotate the adjusting disc 4, and the positioning structure is convenient for accurately superposing and fixing the pouring ring 6 with the corresponding inner diameter with the inner pouring gate 3.

Further, the driving mechanism comprises a driving assembly and an operating component, the operating component is rotatably connected with the upper die body 1, and the driving assembly is connected between the adjusting disk 4 and the operating component; the drive assembly drives the dial 4 in rotation using the operating member.

Further, the driving assembly comprises an outer gear ring 11 and a gear 12, the outer gear ring 11 is fixedly sleeved on the outer side of the adjusting disc 4, and the gear 12 is fixedly sleeved on the operating member and meshed with the outer gear ring 11; the gear 12 is rotated by the operating member, and the gear 12 drives the outer ring gear 11 to rotate synchronously with the dial 4.

Further, the operating component comprises an operating handle 13, the operating handle 13 is rotatably connected with the upper end face of the upper die body 1, and the gear 12 is fixedly sleeved on the operating handle 13; the operator directly rotates the operating handle 13, and the operating handle 13 rotates with the gear 12.

Furthermore, the positioning structure comprises a limiting rod 14, a limiting groove 15 arranged on the upper end surface of the upper die body 1 and a plurality of sliding holes 17 uniformly arranged on the adjusting disk 4 around the center of the adjusting disk 4, the plurality of sliding holes 17 are matched with the limiting groove 15, and the limiting rod 14 penetrates through the sliding holes 17 in a sliding manner and extends into the limiting groove 15; when the adjusting disc 4 needs to be rotated, the limiting rod 14 is pulled upwards, so that the limiting rod 14 is separated from the limiting groove 15, the adjusting disc 4 can be rotated, when a pouring ring 6 with the corresponding inner diameter is overlapped with the inner pouring port 3, the corresponding limiting rod 14 is inserted into the limiting groove 15, and the adjusting disc 4 and the upper die body 1 are fixed relatively.

Furthermore, an extension spring 16 is sleeved on the outer side of the limiting rod 14, and the extension spring 16 is fixedly connected between the upper end of the limiting rod 14 and the upper end face of the adjusting disc 4; the extension spring 16 can automatically take the limiting rod 14 to be inserted into the limiting groove 15 when one pouring ring 6 with the corresponding inner diameter is overlapped with the inner pouring gate 3, and manual fixing is not needed.

Further, the lower end surface of the pouring ring 6 is lower than the lower end surface of the adjusting disc 4, and the upper end surface of the upper die body 1 is provided with a sliding groove 7 for the pouring ring 6 to rotate around the circle center of the adjusting disc 4; the sliding groove 7 is arranged to enhance the sealing performance between the adjusting disc 4 and the upper die body 1.

Furthermore, the fixing structure comprises a limiting ring edge 8 fixedly sleeved at the outer edge of the upper end of the pouring ring 6 and a fixing piece 9 fixedly connected to the limiting ring edge 8, and a fixing bolt 10 is in threaded connection between the fixing piece 9 and the adjusting plate 4; the threaded connection mode of the fixing bolt 10 is adopted, so that the pouring ring 6 is convenient to disassemble, assemble and replace.

The working principle is as follows: an operator fixes a plurality of pouring rings 6 with different inner diameters in the mounting holes 5 on the adjusting disc 4 by using the fixing bolts 10, so that actual pouring can be selected, and only the adjusting disc 4 needs to be rotated, so that one pouring ring 6 with the corresponding inner diameter is rotated to the inner pouring gate 3, the size of the pouring gate structure can be conveniently and rapidly adjusted, and the operation is more flexible; specifically, when the adjusting disk 4 needs to be rotated, the limiting rod 14 is pulled upwards, the limiting rod 14 is separated from the limiting groove 15, at the moment, an operator directly rotates the operating handle 13, the operating handle 13 drives the gear 12 to rotate, the rotating gear 12 drives the outer toothed ring 11 to drive the adjusting disk 4 to synchronously rotate the adjusting disk 4, when a pouring ring 6 with the corresponding inner diameter size is overlapped with the inner pouring gate 3, the stretching spring 16 automatically drives the limiting rod 14 to insert into the limiting groove 15, manual operation is not needed, and the adjusting disk 4 and the upper die body 1 can be relatively fixed by inserting the corresponding limiting rod 14 into the limiting groove 15.

Example two:

based on the injection mold capable of adjusting the size of the pouring gate provided by the first embodiment of the application, the second embodiment of the application provides another injection mold capable of adjusting the size of the pouring gate. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

The second embodiment of the present invention will be further described with reference to the drawings and the following description.

As shown in fig. 6-7, the outer side of the driving assembly is covered with a protective cover 18, the protective cover 18 is fixedly connected with the upper end face of the upper die body 1, a soundproof cotton layer 19 is bonded on the inner wall of the protective cover 18, the surface of the soundproof cotton layer 19 is corrugated, and the protective cover 18 can play a better soundproof and dustproof role by matching with the corrugated soundproof cotton layer 19.

The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an injection mold of size of adjustable sprue gate which characterized in that: including last die body (1) and lower die body (2) that set up from top to bottom, the upper end of going up die body (1) is provided with interior sprue gate (3), the upper end of going up die body (1) is rotated and is connected with adjustment disk (4), it is provided with a plurality of mounting holes (5) along the even array in its centre of a circle on adjustment disk (4), and a plurality of mounting holes (5) all with interior sprue gate (3) looks adaptation, mounting hole (5) department is provided with pours ring (6), and a plurality of internal diameter variation in size of pouring ring (6), be connected with fixed knot between the upper end of pouring ring (6) and adjustment disk (4) and construct, be connected with actuating mechanism and location structure between adjustment disk (4) and last die body (1).

2. The injection mold of claim 1, wherein the gate has an adjustable size, and the injection mold comprises: the driving mechanism comprises a driving assembly and an operating member, the operating member is rotatably connected with the upper die body (1), and the driving assembly is connected between the adjusting disc (4) and the operating member.

3. The injection mold of claim 2, wherein the gate has an adjustable size, and the injection mold comprises: the driving assembly comprises an outer gear ring (11) and a gear (12), the outer gear ring (11) is fixedly sleeved on the outer side of the adjusting disc (4), and the gear (12) is fixedly sleeved on the operating component and meshed with the outer gear ring (11).

4. An injection mold with an adjustable gate size according to claim 3, wherein: the operating member comprises an operating handle (13), the operating handle (13) is rotatably connected with the upper end face of the upper die body (1), and the gear (12) is fixedly sleeved on the operating handle (13).

5. The injection mold of claim 1, wherein the gate has an adjustable size, and the injection mold comprises: the positioning structure comprises a limiting rod (14), a limiting groove (15) arranged on the upper end face of the upper die body (1) and a plurality of sliding holes (17) uniformly arranged on the adjusting disc (4) around the circle center of the adjusting disc (4), the sliding holes (17) are matched with the limiting groove (15), and the limiting rod (14) slides to penetrate through the sliding holes (17) and extends into the limiting groove (15).

6. The injection mold of claim 5, wherein the gate has an adjustable size, and the injection mold comprises: the outside cover of gag lever post (14) is equipped with extension spring (16), extension spring (16) fixed connection is between the up end of gag lever post (14) and the up end of adjustment disk (4).

7. The injection mold of claim 1, wherein the gate has an adjustable size, and the injection mold comprises: the lower end face of the pouring ring (6) is lower than the lower end face of the adjusting disc (4), and a sliding groove (7) for the pouring ring (6) to rotate around the circle center of the adjusting disc (4) is formed in the upper end face of the upper die body (1).

8. The injection mold of claim 1, wherein the gate has an adjustable size, and the injection mold comprises: the fixing structure comprises a limiting ring edge (8) fixedly sleeved at the outer edge of the upper end of the pouring ring (6) and a fixing piece (9) fixedly connected to the limiting ring edge (8), and a fixing bolt (10) is connected between the fixing piece (9) and the adjusting plate (4) in a threaded mode.

9. An injection mold with an adjustable gate size according to claim 3, wherein: the outer side cover of drive assembly is equipped with protection casing (18), and protection casing (18) and the up end fixed connection of last die body (1), the inner wall of protection casing (18) bonds and has soundproof cotton layer (19), and the surface on soundproof cotton layer (19) sets up to the corrugate.