CN217704472U - An engineering plastic mold - Google Patents

Abstract

The utility model relates to the technical field of injection molding, and discloses an engineering plastic mold, comprising an upper mold and a lower mold. The lower end of the lower mold is movably connected with a demoulding assembly. By rotating the limit column, when the limit column corresponds to the position of the small hole, the cover plate is pulled upward. At this time, casting is carried out through the lower mold. After the casting is completed, the cover is turned in the opposite direction. When the cover plate just covers the lower mold, the limit column just passes through the cover plate through the small hole, and then the limit column is rotated. The cover plate is limited to prevent dust from entering the casting port, and the fixed plate is fixedly connected with the upper mold, thus preventing the cover plate from being lost.

Description

A kind of engineering plastic mold

technical field

The utility model relates to the technical field of injection molding, in particular to an engineering plastic mold.

Background technique

Injection mold is a tool for producing plastic products; it is also a tool for giving plastic products complete structure and precise dimensions. Injection molding is a processing method used in the mass production of certain complex-shaped parts. Specifically, it refers to the high-pressure injection of heated and melted plastic into the mold cavity by the injection molding machine, and after cooling and solidification, the molded product is obtained, which also belongs to the material molding engineering technology.

Existing molds usually include an upper mold and a lower mold. The upper mold and the lower mold cooperate to form a cavity for mold molding. The upper mold is provided with a casting channel communicating with the cavity. However, the casting channel in the related art is easy to enter dust at the casting port far away from the mold cavity. After the dust enters the casting channel, it adheres to the inner wall of the channel. In the cavity, thus affecting the quality of the product after casting.

Utility model content

The utility model provides an engineering plastic mold, which has the beneficial effect of preventing dust from entering the casting port, and solves the problem that the casting port is easy to enter the dust mentioned in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: an engineering plastic mold, including an upper mold and a lower mold, the upper end of the upper mold is provided with a casting port, and the upper end of the upper mold is movable and installed with a dust-proof assembly. The lower end of the lower mold is movably connected with a demoulding assembly.

As an optional solution of the present invention, the dustproof assembly includes a cover plate, a fixed rod and a fixed plate, the surface of the cover plate is provided with a small hole, the surface of the fixed rod is provided with a rotation groove, the A limiting column is movably inserted on the fixing rod, and the lower end of the limiting column is fixedly connected with a limiting block.

As a preferred solution of the present invention, the size of the small hole is larger than the size of the limit post, the fixed rod and the fixed plate are fixedly connected with the upper mold, the cover plate is rotatably connected with the fixed plate, and the cover The size of the plate is larger than the size of the sprue.

As a preferred solution of the utility model, the demoulding assembly includes a housing, the inside of the housing is rotatably connected to a rotating rod, and a gear 1 is sleeved on the rotating rod, and the surface of the rotating rod is fixed Attached with handle.

As a preferred solution of the present invention, the surface of the first gear is meshed with the second gear, the second gear is inserted with a threaded rod, the surface of the threaded rod is threaded with a threaded sleeve, and the upper end of the threaded sleeve A top plate is fixedly connected, and a mounting block is fixedly connected to the right end of the housing.

As a preferred solution of the present invention, the housing is fixedly connected to the lower mold, and the threaded rod is rotationally connected to the housing.

The utility model has the following beneficial effects:

1. For the engineering plastic mold, by rotating the limit column, when the position of the limit column corresponds to the position of the small hole, the cover plate is pulled upwards. At this time, the casting is performed through the lower mold. After the casting is completed, the cover plate is rotated in the opposite direction. When the cover plate When the lower mold is just covered, the limit column just passes through the cover plate through the small hole, and then the limit column is rotated. At this time, the limit column rotates in the rotation groove, and the cover plate is limited by the limit column and the limit block , so that the effect of preventing dust from entering the casting port is achieved, and the fixed plate is fixedly connected with the upper mold, so as to prevent the loss of the cover plate.

2. The engineering plastic mold, by turning the handle, the handle drives the rotating rod to rotate, and the rotating rod then drives the gear one to rotate. Because the gear one meshes with the gear two, the gear two and the threaded rod rotate, and the threaded rod rotates with the threaded sleeve at the same time. And the top plate rises, and the model is ejected through the top plate, so that the model is separated from the lower mold. When the handle rotates in the opposite direction and contacts the mounting block, the height of the top plate and the lower surface of the lower mold is the same, achieving the effect of simple demoulding and low cost .

Description of drawings

Fig. 1 is a schematic diagram of the main structure of the utility model.

Fig. 2 is a structural schematic diagram of the dustproof assembly of the present invention.

Fig. 3 is a structural schematic diagram of the fixing rod and the limiting column of the present invention.

Fig. 4 is a structural schematic diagram of the demoulding assembly of the utility model.

In the figure: 1, upper mold; 2, casting port; 3, lower mold; 4, dust-proof component; 5, demoulding component; 401, cover plate; 402, fixing rod; 403, fixing plate; 404, small hole ; Cover; 508, top plate; 509, installation block.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example

Please refer to Fig. 1-4, a kind of engineering plastics mould, comprises upper mold 1 and lower mold 3, and the upper end of upper mold 1 is provided with pouring port 2, and the upper end of rising upper mold 1 is equipped with dust-proof assembly 4, and lower mold 3 The lower end is movably connected with a demoulding assembly 5.

During use, the dust-proof effect is achieved by setting the dust-proof component 4, and the effect of easy demoulding is achieved by setting the demoulding component 5.

The dust-proof assembly 4 includes a cover plate 401, a fixed rod 402 and a fixed plate 403, the surface of the cover plate 401 is provided with a small hole 404, the surface of the fixed rod 402 is provided with a rotation groove 407, and the fixed rod 402 is movably inserted with a limit post 405 , the lower end of the limit post 405 is fixedly connected to the limit block 406, the size of the small hole 404 is larger than the size of the limit post 405, the fixed rod 402 and the fixed plate 403 are fixedly connected with the upper mold 1, and the cover plate 401 and the fixed plate 403 rotate In connection, the size of the cover plate 401 is larger than the size of the casting port 2 .

When in use, turn the limit column 405, and when the limit column 405 corresponds to the position of the small hole 404, pull the cover plate 401 upwards, and at this time, cast through the lower mold 3, turn the cover plate 401 in the opposite direction after the casting is completed, and when the cover When the plate 401 just covered the lower mold 3, the stop post 405 just passed the cover plate 401 through the small hole 404, and then the stop post 405 was rotated. The cover plate 401 is limited by the limit block 406, so that the effect of preventing dust from entering the casting port 2 is achieved, and the fixed plate 403 is fixedly connected with the upper mold 1, so that the cover plate 401 is prevented from being lost.

The demoulding assembly 5 includes a housing 501, the inside of the housing 501 is rotatably connected with a rotating rod 502, the rotating rod 502 is sleeved with a gear 504, the surface of the rotating rod 502 is fixedly connected with a handle 503, and the surface of the gear 504 is meshed with There is a gear 2 505, a threaded rod 506 is inserted on the gear 2 505, the surface of the threaded rod 506 is threadedly connected with a threaded sleeve 507, the upper end of the threaded sleeve 507 is fixedly connected with a top plate 508, and the right end of the housing 501 is fixedly connected with a mounting block 509 , the shell 501 is fixedly connected with the lower mold 3 , and the threaded rod 506 is rotatably connected with the shell 501 .

During use, turn the handle 503, the handle 503 drives the rotating rod 502 to rotate, and the rotating rod 502 then drives the gear one 504 to rotate, because the gear one 504 meshes with the gear two 505, so the gear two 505 and the threaded rod 506 rotate, and the threaded rod 506 rotates At the same time, the threaded sleeve 507 and the top plate 508 rise, and the model is ejected through the top plate 508, so that the model is separated from the lower mold 3. When the handle 503 reversely rotates and contacts the mounting block 509, the top plate 508 and the lower surface of the lower mold 3 The height is the same. Compared with the existing demoulding structure with complex structure and high cost, the demoulding assembly 5 achieves the effect of simple demoulding and low cost, and has higher practicability.

Working principle: When opening the cover plate 401 before casting, turn the limit column 405. When the limit column 405 corresponds to the position of the small hole 404, pull the cover plate 401 upwards. At this time, the lower mold 3 is used for casting. After the casting is completed Rotate the cover plate 401 in the opposite direction. When the cover plate 401 just covers the lower mold 3, the limit post 405 just passes through the cover plate 401 through the small hole 404, and then rotates the limit post 405. At this time, the limit post 405 is in the rotation groove 407 middle rotation, and the cover plate 401 is limited by the limit column 405 and the limit block 406, so as to prevent dust from entering the casting port 2, and the fixed plate 403 is fixedly connected with the upper mold 1, thus preventing the cover plate 401 Lost; after the mold has been cast and cooled, it needs to be demolded. At this time, the handle 503 is turned, and the handle 503 drives the rotating rod 502 to rotate, and the rotating rod 502 then drives the gear one 504 to rotate. The threaded rod 506 rotates, and when the threaded rod 506 rotates, the threaded sleeve 507 and the top plate 508 rise, and the model is ejected through the top plate 508, so that the model is separated from the lower mold 3. When the handle 503 reversely rotates and contacts the mounting block 509 , the height of the top plate 508 is the same as that of the lower surface of the lower mold 3. Compared with the existing demoulding structure with complex structure and high cost, the demoulding assembly 5 achieves the effect of simple demoulding and low cost, and has higher practicability.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

The above is only the preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and modifications can also be made. And retouching should also be regarded as the protection scope of the present utility model.

Claims (6)

1. The utility model provides an engineering plastic mold, includes mould (1) and bed die (3), its characterized in that: a casting opening (2) is formed in the upper end of the upper die (1), a dustproof assembly (4) is movably mounted at the upper end of the upper die (1) in a rising mode, and a demolding assembly (5) is movably connected to the lower end of the lower die (3).

2. The engineering plastic mold according to claim 1, wherein: the dustproof assembly (4) comprises a cover plate (401), a fixing rod (402) and a fixing plate (403), wherein a small hole (404) is formed in the surface of the cover plate (401), a rotating groove (407) is formed in the surface of the fixing rod (402), a limiting column (405) is movably inserted into the fixing rod (402), and a limiting block (406) is fixedly connected to the lower end of the limiting column (405).

3. The engineering plastic mold of claim 2, wherein: the size of aperture (404) is greater than the size of spacing post (405), dead lever (402) and fixed plate (403) all with last mould (1) fixed connection, apron (401) rotate with fixed plate (403) and are connected, the size of apron (401) is greater than the size of casting gate (2).

4. The engineering plastic mold according to claim 1, wherein: the demolding assembly (5) comprises a shell (501), a rotating rod (502) is rotatably connected to the inside of the shell (501), a first gear (504) is sleeved on the rotating rod (502), and a handle (503) is fixedly connected to the surface of the rotating rod (502).

5. The engineering plastic mold of claim 4, wherein: the surface of the first gear (504) is meshed with a second gear (505), a threaded rod (506) is inserted on the second gear (505), a threaded sleeve (507) is connected to the surface of the threaded rod (506) in a threaded manner, a top plate (508) is fixedly connected to the upper end of the threaded sleeve (507), and a mounting block (509) is fixedly connected to the right end of the shell (501).

6. The engineering plastic mold of claim 5, wherein: casing (501) and bed die (3) fixed connection, threaded rod (506) are rotated with casing (501) and are connected.

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