CN216860427U

CN216860427U - Injection mold for producing parts in medical instrument production

Info

Publication number: CN216860427U
Application number: CN202123081157.6U
Authority: CN
Inventors: 张兵
Original assignee: Nanjing Binchennuo Mould Co ltd
Current assignee: Nanjing Binchennuo Mould Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-07-01
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses an injection mold for producing parts by medical equipment, in particular to the technical field of injection molds for medical equipment, which is characterized in that manual demoulding is needed during demoulding, manpower is wasted during demoulding, demoulding treatment can be carried out only after the parts are naturally cooled, and the production efficiency of the parts is reduced, the injection mold comprises a fixed frame and a cover plate, wherein an injection molding plate is fixedly arranged on the inner surface of the fixed frame, and an injection molding groove is formed in the injection molding plate. The injection molding liquid is rapidly cooled to form a mold, and the water finally returns to the water tank through the return pipe.

Description

Injection mold for producing parts in medical instrument production

Technical Field

The utility model relates to the technical field of injection molds for medical instruments, in particular to an injection mold for producing parts for medical instrument production.

Background

Most of parts of medical instruments are formed by injection molding, and the mold is an injection mold widely applied to small plastic products with multiple cavities, so that the injection efficiency can be improved by times by utilizing the mold. The injection mold generally comprises a movable mold and a fixed mold, and injection molding can be performed after the movable mold and the fixed mold are assembled.

The existing injection mold has some problems in use:

1. the manual labor is needed to demold during demolding, and a large amount of manual labor is wasted when the manual labor is used for demolding.

2. The part can be demoulded after being naturally cooled, so that the production efficiency of the part is reduced, and the injection mould for producing the part by using the medical apparatus is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold for producing parts in the production of medical instruments, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an injection mold for producing parts in the production of medical instruments comprises a fixing frame and a cover plate, wherein an injection molding plate is fixedly arranged on the inner surface of the fixing frame, an injection molding groove is formed in the injection molding plate, a demolding assembly is fixedly arranged on the inner surface of the fixing frame, and a cooling assembly is fixedly arranged at the bottom of the inner surface of the fixing frame;

the drawing of patterns subassembly includes fixed plate and connecting plate, fixed plate fixed connection is at the inner wall of mount, fixed surface is equipped with the motor on the fixed plate, the motor output is equipped with the connecting rod, the fixed arc piece that is equipped with of one end that the motor was kept away from to the connecting rod, connecting plate and mount internal surface slip laminating, fixed surface is equipped with the fixed block under the connecting plate, it is equipped with the runner to rotate between the fixed block, the arc piece rotates the contact with the runner, the fixed dead lever that is equipped with in one side that the fixed block was kept away from to the connecting plate, the dead lever runs through the groove of moulding plastics, one side that the connecting plate was kept away from to the dead lever is fixed and is equipped with the kicking block, kicking block and the tank bottom activity laminating of moulding plastics, the fixed spring that is equipped with between connecting plate and the board of moulding plastics.

As a preferred technical scheme, the cooling assembly comprises a water tank and a cooling cavity, the water tank is fixedly connected to the bottom of the inner surface of the fixing frame, a pump machine is fixedly arranged on the upper surface of the water tank, a water guide pipe is fixedly arranged on one side, away from the water tank, of the pump machine, the water guide pipe penetrates through the connecting plate and the injection molding plate, a first rectangular pipe is fixedly arranged on one side, close to the injection molding groove, of the water guide pipe, the cooling cavity is formed in the injection molding plate, close to the injection molding groove, the end portion of the first rectangular pipe is connected with the cooling cavity, a connecting pipe is fixedly connected between the cooling cavities, a second rectangular pipe is fixedly connected to one side of the cooling cavity, a backflow pipe is fixedly arranged on the outer side surface of the second rectangular pipe, the backflow pipe penetrates through the injection molding plate and the connecting plate, and the end portion of the backflow pipe is fixedly connected with the water tank.

As a preferred technical scheme of the utility model, the cover plate is movably attached to the top of the injection molding groove.

As a preferable technical scheme of the utility model, the fixing rod is arranged in the middle of the spring.

As a preferable technical scheme of the utility model, the injection molding groove is provided with a plurality of injection molding grooves.

As a preferable technical scheme of the utility model, the cross section of the water tank is concave.

Compared with the prior art, the utility model has the beneficial effects that:

1. when demoulding is needed, the cover plate is taken out, then the motor is opened to drive the connecting rod at the output end to rotate, finally the connecting rod is rotationally attached to the rotating wheel to drive the connecting plate to move upwards, and finally the jacking block is driven to move upwards to jack the mould, so that demoulding is facilitated;

2. according to the utility model, the pump is started to guide water in the water tank into the cooling cavity through the water guide pipe and the first rectangular pipe, the water enters other cooling cavities through the connecting pipe, so that injection molding liquid is rapidly cooled into a mold, and the water finally returns to the water tank through the return pipe.

Drawings

FIG. 1 is a schematic structural view of the present invention,

FIG. 2 is a schematic view of the internal structure of the fixing frame of the present invention,

figure 3 is a schematic view of the construction of the stripper assembly of the present invention,

FIG. 4 is a schematic view of the cooling assembly of the present invention.

In the figure: 1. a fixed mount; 11. injection molding a plate; 12. injection molding a groove; 13. a cover plate; 2. a demolding component; 21. a fixing plate; 22. a motor; 23. a connecting rod; 24. an arc-shaped block; 25. a fixed block; 26. a rotating wheel; 27. a connecting plate; 28. a spring; 29. fixing the rod; 291. a top block; 3. a cooling assembly; 31. a water tank; 32. a pump machine; 33. a water conduit; 34. a first rectangular tube; 35. a cooling chamber; 36. a connecting pipe; 37. a second rectangular tube; 38. a return pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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.

Example (b): as shown in fig. 1-4, the utility model provides an injection mold for producing parts in the production of medical instruments, which comprises a fixed frame 1 and a cover plate 13, wherein the cover plate 13 is movably attached to the top of an injection groove 12 to control the closing of the injection groove 12, an injection plate 11 is fixedly arranged on the inner surface of the fixed frame 1, the injection groove 12 is arranged in the injection plate 11, a plurality of injection grooves 12 are arranged in the injection grooves 12 to facilitate the simultaneous processing of a plurality of injection grooves, a demolding assembly 2 is fixedly arranged on the inner surface of the fixed frame 1, and a cooling assembly 3 is fixedly arranged at the bottom of the inner surface of the fixed frame 1;

the demolding component 2 comprises a fixing plate 21 and a connecting plate 27, the fixing plate 21 is fixedly connected to the inner wall of the fixing frame 1, a motor 22 is fixedly arranged on the upper surface of the fixing plate 21, a connecting rod 23 is arranged at the output end of the motor 22, an arc-shaped block 24 is fixedly arranged at one end, far away from the motor 22, of the connecting rod 23, the connecting plate 27 is in sliding fit with the inner surface of the fixing frame 1, a fixing block 25 is fixedly arranged on the lower surface of the connecting plate 27, a rotating wheel 26 is rotatably arranged between the fixing blocks 25, the arc-shaped block 24 is in rotating contact with the rotating wheel 26, a fixing rod 29 is fixedly arranged at one side, far away from the fixing block 25, of the connecting plate 27, the fixing rod 29 penetrates through the injection molding groove 12, a top block 291 is fixedly arranged at one side, far away from the connecting plate 27, the top block 291 is movably fitted with the bottom of the injection molding groove 12, and a circular groove matched with the top block 291 is formed at the bottom of the injection groove 12, the spring 28 is fixedly arranged between the connecting plate 27 and the injection molding plate 11, the fixing rod 29 is arranged in the middle of the spring 28, when demolding is needed, the cover plate 13 is taken out, then the motor 22 is opened to drive the connecting rod 23 of the output end to rotate, finally the connecting rod 23 and the rotating wheel 26 are driven to rotate and fit to drive the connecting plate 27 to move upwards, finally the ejector block 291 is driven to move upwards to jack up the mold, demolding is facilitated, and when the connecting rod 23 is not in contact with the rotating wheel 26, the ejector block 291 returns to the previous position through the force of the spring 28.

Further, the cooling assembly 3 includes a water tank 31 and a cooling cavity 35, the water tank 31 is fixedly connected to the bottom of the inner surface of the fixing frame 1, the upper surface of the water tank 31 is fixedly provided with a pump 32, the cross-sectional shape of the water tank 31 is concave, one side of the pump 32 away from the water tank 31 is fixedly provided with a water conduit 33, the water conduit 33 penetrates through the connecting plate 27 and the injection molding plate 11, one side of the water conduit 33 close to the injection molding groove 12 is fixedly provided with a first rectangular pipe 34, the cooling cavity 35 is arranged inside the injection molding plate 11 close to the injection molding groove 12, the cooling cavity 35 is arranged outside the injection molding groove 12, the end of the first rectangular pipe 34 is connected with the cooling cavity 35, a connecting pipe 36 is fixedly connected between the cooling cavities 35, one side of the cooling cavity 35 is fixedly connected with a second rectangular pipe 37, the cross-sectional shapes of the first rectangular pipe 34 and the second rectangular pipe 37 are U-shaped, the outer side surface of the second rectangular pipe 37 is fixedly provided with a return pipe 38, the return pipe 38 penetrates through the injection molding plate 11 and the connecting plate 27, the end part of the return pipe 38 is fixedly connected with the water tank 31, water in the water tank 31 is led into the cooling cavity 35 through the water guide pipe 33 and the first rectangular pipe 34 by opening the pump 32, the water enters into other cooling cavities 35 through the connecting pipe 36, the injection molding liquid is rapidly cooled into a mold, and the water finally returns into the water tank 31 through the return pipe 38.

The working principle is as follows: when the injection molding machine is used, injection molding liquid is poured into an injection molding groove 12, the injection molding groove 12 is sealed through the cover plate 13, water in a water tank 31 is guided into a cooling cavity 35 through a water guide pipe 33 and a first rectangular pipe 34 by opening a pump 32, the water enters other cooling cavities 35 through a connecting pipe 36, the injection molding liquid is rapidly cooled into a mold, the water finally returns into the water tank 31 through a return pipe 38, when demolding is needed, the cover plate 13 is taken out, then a motor 22 is opened to drive a connecting rod 23 at an output end to rotate, finally the connecting rod 23 is in rotating fit with a runner 26 to drive a connecting plate 27 to move upwards, finally a jacking block 291 is driven to move upwards to jack the mold, demolding is convenient, and when the connecting rod 23 is not in contact with the runner 26, the jacking block 291 returns to the previous position through the force of a spring 28.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a medical instrument production part production injection mold, includes mount (1) and apron (13), its characterized in that: an injection molding plate (11) is fixedly arranged on the inner surface of the fixing frame (1), an injection molding groove (12) is formed in the injection molding plate (11), a demolding assembly (2) is fixedly arranged on the inner surface of the fixing frame (1), and a cooling assembly (3) is fixedly arranged at the bottom of the inner surface of the fixing frame (1);

the demolding component (2) comprises a fixing plate (21) and a connecting plate (27), the fixing plate (21) is fixedly connected to the inner wall of the fixing frame (1), a motor (22) is fixedly arranged on the upper surface of the fixing plate (21), a connecting rod (23) is arranged at the output end of the motor (22), an arc-shaped block (24) is fixedly arranged at one end, far away from the motor (22), of the connecting rod (23), the connecting plate (27) is in sliding fit with the inner surface of the fixing frame (1), a fixing block (25) is fixedly arranged on the lower surface of the connecting plate (27), a rotating wheel (26) is rotatably arranged between the fixing blocks (25), the arc-shaped block (24) is in rotating contact with the rotating wheel (26), a fixing rod (29) is fixedly arranged on one side, far away from the fixing block (25), of the connecting plate (27), the fixing rod (29) penetrates through the injection molding groove (12), a top block (291) is fixedly arranged on one side, far away from the connecting plate (27), of the fixing rod (29), the ejector block (291) is movably attached to the bottom of the injection molding groove (12), and a spring (28) is fixedly arranged between the connecting plate (27) and the injection molding plate (11).

2. The injection mold for producing parts of medical instruments according to claim 1, wherein: the cooling assembly (3) comprises a water tank (31) and a cooling cavity (35), the water tank (31) is fixedly connected to the bottom of the inner surface of the fixing frame (1), a pump (32) is fixedly arranged on the upper surface of the water tank (31), a water guide pipe (33) is fixedly arranged on one side, away from the water tank (31), of the pump (32), the water guide pipe (33) penetrates through the connecting plate (27) and the injection molding plate (11), a first rectangular pipe (34) is fixedly arranged on one side, close to the injection molding groove (12), of the water guide pipe (33), the cooling cavity (35) is arranged inside the injection molding plate (11) close to the injection molding groove (12), the end part of the first rectangular pipe (34) is connected with the cooling cavity (35), a connecting pipe (36) is fixedly connected between the cooling cavity (35), a second rectangular pipe (37) is fixedly connected to one side of the cooling cavity (35), and a return pipe (38) is fixedly arranged on the outer side surface of the second rectangular pipe (37), the return pipe (38) penetrates through the injection molding plate (11) and the connecting plate (27), and the end part of the return pipe (38) is fixedly connected with the water tank (31).

3. The injection mold for producing parts of medical instruments according to claim 1, wherein: the cover plate (13) is movably attached to the top of the injection molding groove (12).

4. The injection mold for producing parts of medical instruments according to claim 1, wherein: the fixing rod (29) is arranged in the middle of the spring (28).

5. The injection mold for producing parts of medical instruments according to claim 1, wherein: the injection molding groove (12) is provided with a plurality of grooves.

6. The injection mold for producing parts of medical instruments according to claim 2, wherein: the cross section of the water tank (31) is concave.