CN213166574U

CN213166574U - Injection molding processing mold for medical parts

Info

Publication number: CN213166574U
Application number: CN202020998856.3U
Authority: CN
Inventors: 潘少平
Original assignee: Kunshan Mingku Electronics Co ltd
Current assignee: Kunshan Mingku Electronics Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-05-11
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses an injection mold processing of medical part, including setting up in the female mould benevolence of female mould board central authorities and setting up respectively in the public mould benevolence of public mould board both sides, form a plurality of cavity between female mould benevolence and the public mould benevolence, it has a sprue to open on the female mould board, and this sprue bottom intercommunication has the subchannel, is provided with a lead screw in the public mould board, and this lead screw one end is connected with a motor, and lead screw slidable ground cover is equipped with a plurality of slider, public mould board bottom is provided with a square iron, and this square iron bottom is connected through an infraduction plate, forms a space that supplies thimble panel activity between two square irons and the bottom plate, bottom plate central authorities open there is a through-hole, the thimble panel below is provided with a thimble bottom plate, public mould board bottom is provided with a guide pillar, and the outside. The utility model discloses need not occupy the inner space and do the oblique top structure, both great reduction manpower and materials, made things convenient for the drawing of patterns to the part again, effectual work efficiency that has improved.

Description

Injection molding processing mold for medical parts

Technical Field

The utility model relates to an injection mold processing of medical part belongs to mould technical field.

Background

Injection molding is a method for producing and molding industrial products, the products generally adopt rubber injection molding and plastic injection molding, and the injection molding can also be divided into injection molding and die casting methods.

The existing injection mold can be used for injection molding of parts by mostly adopting a sliding block structure or an inclined ejection mechanism inside the mold for the back-off structure of the parts, and the sliding block mechanism and the inclined ejection mechanism inside the mold have larger occupancy rate and are troublesome due to the fact that the volume of a plastic part in a medical appliance is smaller and the volume of the whole injection mold is not large.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide an injection mold processing of medical part, this injection mold processing of medical part need not occupy the inner space and do the oblique top structure, both great reduction manpower and materials, made things convenient for the drawing of patterns to the part again, effectual work efficiency that has improved.

In order to solve the technical problem, the utility model discloses a technical scheme is: an injection molding processing mold for medical parts comprises a female mold core arranged in the center of a female mold plate and male mold cores arranged on two sides of the male mold plate respectively, wherein the female mold core and the male mold cores are arranged in a matching way, so that a plurality of cavities for molding parts are formed between the female mold core and the male mold cores, a main runner for injecting a glue material is arranged on the female mold plate, the bottom of the main runner is communicated with a sub-runner extending to the inside of the female mold core from two sides, and the sub-runner is communicated with the cavities;

a screw rod is arranged in the male template below the male die core, one end of the screw rod is connected with a motor for driving the screw rod to rotate, the screw rod is slidably sleeved with a plurality of sliding blocks corresponding to the male die core, and the sliding blocks are fixedly connected with the lower surface of the male die core and used for driving the male die core to slide;

the ejector pin structure is characterized in that square irons are respectively arranged on two sides of the bottom of the male die plate, the bottoms of the square irons are connected through a lower fixing plate, a space for the ejector pin panel to move is formed between the two square irons and the lower fixing plate, a through hole is formed in the center of the lower fixing plate, an ejector pin bottom plate is arranged below the ejector pin panel, guide pillars extending into the ejector pin panel are respectively arranged at four corners of the bottom of the male die plate, and springs are movably sleeved on the outer sides of the guide pillars.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the outer side of the bottom of the male mold core is provided with a limiting block in sliding connection with the male mold plate, and the male mold plate is provided with a limiting groove in sliding connection with the limiting block.

2. In the above scheme, the number of the male die core and the number of the sliding blocks are two, and the threads at the two ends of the screw rod are reversely arranged.

3. In the scheme, the bottom of the lower fixing plate is provided with a second screw which penetrates through the square iron and extends into the male template.

4. In the above scheme, one side of the female template, which is back on to the male template, is connected with an upper fixing plate, and a through hole communicated with the main runner is formed in the upper fixing plate.

5. In the scheme, the upper fixing plate is in threaded connection with the female die plate through the first screws.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model discloses medical parts's injection mold processing mould, it sets up slidable public mould benevolence in the inside both sides of public template, through the cooperation of initial condition public mould benevolence and female mould benevolence, carry out the part of injection moulding for having the structure of back-off, at this moment, it rotates to drive the lead screw through the motor, the slider that the drive is connected with the bottom of public mould benevolence slides to the centre from the lead screw both ends, make public mould benevolence break away from the part, when whole mould is specifically amazing less, need not occupy the inner space and do the structure of pushing up to one side, great reduction manpower and materials, it is comparatively convenient.

2. The utility model discloses injection mold for medical parts, it sets up a square iron respectively in the both sides of public template bottom, and this square iron bottom is connected through a bottom plate to form a space that supplies thimble panel activity between two square irons and bottom plate, and open at the bottom plate central authorities has a through-hole, and thimble panel below is provided with a thimble bottom plate, through promoting the thimble bottom plate, makes the thimble ejecting part, has made things convenient for the drawing of patterns to the part, has effectively improved work efficiency; in addition, the four corners of the bottom of the male template are respectively provided with the guide posts extending into the ejector pin panel, so that when the part is ejected out and demoulded, the moving precision and stability of the male template are effectively ensured; the spring is movably sleeved on the outer side of the guide pillar, and upward force of the ejector pin is relieved, so that stability of the ejector pin in the movement process is improved, and the ejector pin bottom plate can be conveniently restored to the original position after the parts are ejected.

Drawings

FIG. 1 is a schematic view of an appearance structure of an injection mold for medical parts according to the present invention;

FIG. 2 is a schematic view of the internal structure of the injection mold for medical parts of the present invention;

FIG. 3 is a schematic view of a partial structure of an injection mold for medical parts according to the present invention;

fig. 4 is a schematic structural view of the injection molding member in the injection mold for medical parts of the present invention.

In the above drawings: 1. a master template; 2. a cavity insert; 3. a male template; 4. a core insert; 5. a slider; 6. a screw rod; 7. a motor; 8. a part; 9. a main flow channel; 10. a shunt channel; 12. an upper fixing plate; 13. a limiting block; 15. square iron; 16. a thimble panel; 17. a thimble base plate; 18. a lower fixing plate; 19. a guide post; 20. a spring; 21. a through hole; 22. a first screw; 23. a limiting groove; 24. a second screw.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

The motor (model: YE 2) mentioned in the invention can be obtained in market or by private order.

Example 1: an injection molding processing mold for medical parts comprises a cavity insert 2 arranged in the center of a cavity plate 1 and a core insert 4 respectively arranged on two sides of a core plate 3, wherein the cavity insert 2 and the core insert 4 are arranged in a matching way, so that a plurality of cavities for molding parts 8 are formed between the cavity insert 2 and the core insert 4, a main runner 9 for injecting glue is arranged on the cavity plate 1, the bottom of the main runner 9 is communicated with a sub-runner 10 extending to the inside of the cavity insert 2 from two sides, and the sub-runner 10 is communicated with the cavities;

a screw rod 6 is arranged in the male template 3 below the male die core 4, one end of the screw rod 6 is connected with a motor 7 for driving the screw rod 6 to rotate, the screw rod 6 is slidably sleeved with a plurality of slide blocks 5 corresponding to the male die core 4, and the slide blocks 5 are fixedly connected with the lower surface of the male die core 4 and used for driving the male die core 4 to slide;

the two sides of the bottom of the male die plate 3 are respectively provided with a square iron 15, the bottoms of the square irons 15 are connected through a lower fixing plate 18, so that a space for the movement of the thimble panel 16 is formed between the two square irons 15 and the lower fixing plate 18, the center of the lower fixing plate 18 is provided with a through hole 21, a thimble bottom plate 17 is arranged below the thimble panel 16, four corners of the bottom of the male die plate 3 are respectively provided with a guide pillar 19 extending into the thimble panel 16, and the outer side of the guide pillar 19 is movably sleeved with a spring 20.

The outer side of the bottom of the male die core 4 is provided with a limiting block 13 which is in sliding connection with the male die plate 3, and the male die plate 3 is provided with a limiting groove 23 which is in sliding connection with the limiting block 13; the number of the male die core 4 and the number of the sliding blocks 5 are two, and the threads at the two ends of the screw rod 6 are arranged in a reverse direction; the bottom of the lower fixing plate 18 is provided with a second screw 24 penetrating the square iron 15 and extending into the core plate 3.

Example 2: an injection molding processing mold for medical parts comprises a cavity insert 2 arranged in the center of a cavity plate 1 and a core insert 4 respectively arranged on two sides of a core plate 3, wherein the cavity insert 2 and the core insert 4 are arranged in a matching way, so that a plurality of cavities for molding parts 8 are formed between the cavity insert 2 and the core insert 4, a main runner 9 for injecting glue is arranged on the cavity plate 1, the bottom of the main runner 9 is communicated with a sub-runner 10 extending to the inside of the cavity insert 2 from two sides, and the sub-runner 10 is communicated with the cavities;

One side of the female template 1, which is opposite to the male template 3, is connected with an upper fixing plate 12, and the upper fixing plate 12 is provided with a through hole communicated with the main runner 9; the upper fixing plate 12 is connected with the female die plate 1 through a plurality of first screws 22 in a threaded manner, so that the mounting and the dismounting are convenient.

When the injection molding processing mold for the medical parts is adopted, the screw rod is driven to rotate through the motor, the sliding blocks connected with the bottom of the male mold core are driven to slide from two ends of the screw rod to the middle, so that the male mold core is separated from the parts, and when the integral mold is small in size, an inclined top structure does not need to be occupied in the inner space, so that manpower and material resources are greatly reduced, and the injection molding processing mold is convenient;

in addition, the ejector pin pushes out the part by pushing the ejector pin bottom plate, so that the part is conveniently demoulded, and the working efficiency is effectively improved; in addition, when the part is ejected and demoulded, the moving precision and stability of the male template are effectively guaranteed, and the upward force of the ejector pin is relieved, so that the stability of the ejector pin in the moving process is improved, and the ejector pin bottom plate is convenient to restore to the original position after the part is ejected.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides an injection mold processing of medical part which characterized in that: the core forming die comprises a cavity (2) arranged in the center of a cavity plate (1) and core inserts (4) respectively arranged on two sides of a core plate (3), wherein the cavity (2) and the core inserts (4) are arranged in a matched manner, so that a plurality of cavities for forming parts (8) are formed between the cavity plate (2) and the core inserts (4), a main flow passage (9) for injecting glue is formed in the cavity plate (1), the bottom of the main flow passage (9) is communicated with branch flow passages (10) extending to the interior of the cavity plate (2) from two sides, and the branch flow passages (10) are communicated with the cavities;

a screw rod (6) is arranged in the male template (3) below the male die core (4), one end of the screw rod (6) is connected with a motor (7) for driving the screw rod (6) to rotate, the screw rod (6) is slidably sleeved with a plurality of sliding blocks (5) corresponding to the male die core (4), and the sliding blocks (5) are fixedly connected with the lower surface of the male die core (4) and used for driving the male die core (4) to slide;

the ejector pin structure is characterized in that square irons (15) are respectively arranged on two sides of the bottom of the male die plate (3), the bottoms of the square irons (15) are connected through a lower fixing plate (18), so that a space for the ejector pin panel (16) to move is formed between the two square irons (15) and the lower fixing plate (18), a through hole (21) is formed in the center of the lower fixing plate (18), an ejector pin bottom plate (17) is arranged below the ejector pin panel (16), guide pillars (19) extending into the ejector pin panel (16) are respectively arranged at four corners of the bottom of the male die plate (3), and springs (20) are movably sleeved on the outer sides of the guide pillars (19).

2. The medical part injection molding process mold of claim 1, wherein: the outer side of the bottom of the male die core (4) is provided with a limiting block (13) which is in sliding connection with the male die plate (3), and the male die plate (3) is provided with a limiting groove (23) which is in sliding connection with the limiting block (13).

3. The medical part injection molding process mold of claim 1, wherein: the number of the male die core (4) and the number of the sliding blocks (5) are two, and the threads at the two ends of the screw rod (6) are arranged in a reverse direction.

4. The medical part injection molding process mold of claim 1, wherein: and a second screw (24) which penetrates through the square iron (15) and extends into the male template (3) is arranged at the bottom of the lower fixing plate (18).

5. The medical part injection molding process mold of claim 1, wherein: one side of the female template (1) back to the male template (3) is connected with an upper fixing plate (12), and the upper fixing plate (12) is provided with a through hole communicated with the main runner (9).

6. The medical part injection molding process mold of claim 5, wherein: the upper fixing plate (12) is in threaded connection with the female die plate (1) through a plurality of first screws (22).