CN216732759U

CN216732759U - Medical treatment injection mold's guiding mechanism

Info

Publication number: CN216732759U
Application number: CN202122974561.XU
Authority: CN
Inventors: 王小松
Original assignee: Suzhou Lunnate Industrial Technology Co ltd
Current assignee: Suzhou Lunnate Industrial Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-06-14
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to the technical field of injection molds, and discloses a guide mechanism of a medical injection mold, which comprises a main body mechanism, a sliding support mechanism, a forming mechanism, a mold closing guide mechanism and a pressure reducing mechanism, wherein the sliding support mechanism is positioned at the lower end of the main body mechanism, the forming mechanism is positioned in the middle of the front end of the main body mechanism, the mold closing guide mechanism is positioned at the front side of the main body mechanism, and the pressure reducing mechanism is positioned inside the forming mechanism; the main body mechanism comprises a die main body and an electric push rod, wherein the electric push rod is fixedly arranged on the side of the front end of the die main body. This medical treatment injection mold's guiding mechanism is equipped with the stainless steel construction at the structural plane of moulding plastics, and the stainless steel construction heat resistance is good, and the tolerance is good, and the surface is smooth, is difficult for causing the material adhesion of moulding plastics, and the drawing of patterns work of being convenient for goes on, and cooperation decompression structure can effectual improvement device's life, and the structure is difficult for impairedly, and is more durable, and guiding mechanism is more accurate.

Description

Medical treatment injection mold's guiding mechanism

Technical Field

The utility model relates to an injection mold technical field specifically is a medical treatment injection mold's guiding mechanism.

Background

An injection mold is a tool for producing plastic products; the injection molding is a processing method used in batch production of parts with complex shapes, and specifically refers to injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure, and obtaining a molded product after cooling and solidification, wherein the injection molding mold is divided into a thermosetting plastic mold and a thermoplastic plastic mold according to molding characteristics; according to the forming process, the method is divided into a transfer mold, a blow mold, a cast mold, a hot forming mold, a hot pressing mold (compression mold), an injection mold and the like, wherein the hot pressing mold can be divided into a flash type, a semi-flash type and a non-flash type by a flash mode, and the injection mold can be divided into a cold runner mold and a hot runner mold by a pouring system; the device can be divided into a movable type and a fixed type according to the loading and unloading mode.

The injection mold can be used for mass production of the same structure and can be used in multiple fields, the medical injection mold is also one of the injection molds, the precision requirement of the mold needed to be used in medical treatment is high, a guide mechanism in the mold structure is positioned in the plastic mold, and has the functions of positioning, guiding and bearing certain lateral pressure, so that the accuracy of the closing of a movable mold and a fixed mold is ensured, the mold produced by closing the mold during normal use of the mold meets the requirement, but the guide mechanism of the mold can cause the top and the outer end of the guide mechanism to be impacted and damaged or abraded after long-time closing and injection molding operation, and a gap can be reserved for injection molding materials, so that the injection molded mold is not accurate enough and cannot be efficiently utilized.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a medical treatment injection mold's guiding mechanism to the guiding mechanism who provides the mould among the solution above-mentioned background art can lead to striking impaired or the problem of wearing and tearing to appear in guiding mechanism's top and the outer end through long-time compound die operation of moulding plastics, and this can leave the space for the material of moulding plastics, thereby leads to the mould of appearing moulding plastics out accurate inadequately, problem that can not high-efficient utilization.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a guide mechanism of a medical injection mold comprises a main body mechanism, a sliding support mechanism, a forming mechanism, a mold closing guide mechanism and a pressure reducing mechanism, wherein the sliding support mechanism is positioned at the lower end of the main body mechanism, the forming mechanism is positioned in the middle of the front end of the main body mechanism, the mold closing guide mechanism is positioned on the front side of the main body mechanism, and the pressure reducing mechanism is positioned inside the forming mechanism;

the main mechanism comprises a mold main body and an electric push rod, the electric push rod is fixedly installed on the side edge of the front end of the mold main body, and the electric push rod can demould the cooled and shaped mold to complete the injection molding work of the mold.

Preferably, the sliding support mechanism comprises a support base, a sliding base and a linear motor set, the sliding base is located at the upper end of the support base, the sliding base is movably connected with the support base through the linear motor set, the sliding base is driven to move through the linear motor set, the sliding base above the sliding base is fixedly connected with the die main body, and therefore the linear motor set can drive the upper structure to move.

Preferably, forming mechanism includes connection platform, locating lever and stainless steel head, the locating lever is located connection platform's front end, stainless steel head fixed mounting is at the front end of locating lever, and the locating lever of connection platform front end is used for positioning die's shape, and the stainless steel head of front side then can effectively avoid the problem because of receiving pressure and damaging, has improved the life of device.

Preferably, the die closing guide mechanism comprises a mounting seat, a die closing seat, a guide block and an extruded stainless steel block, the die closing seat is fixedly mounted at the front end of the mounting seat, the guide block is fixedly mounted in the middle of the front end of the die closing seat, the extruded stainless steel block is located at the outer end of the guide block, the shape of injection molding can be guided and positioned at the front end of the structure by mounting the die closing guide mechanism, the die closing seat at the front end of the mounting seat is a contact surface used for die closing, the guide block is used for penetrating and installing a positioning structure, and then the stainless steel block is extruded to improve the tolerance of the contact surface.

Preferably, the mechanism of decompressing includes decompression chamber, outer buffer spring and preceding damping spring, the decompression chamber is located the inside of locating lever, outer buffer spring fixed mounting is in the upper and lower both sides of decompression chamber outer end, preceding damping spring fixed mounting is in the rear end of stainless steel head, and the outer buffer spring who sets up in the decompression chamber can offset each other the impact pressure on every side and cancel, avoids strikeing and causes the influence for shape and quality to the structure, and preceding damping spring is located the rear end of stainless steel head, can cushion the pressure that the top received, avoids the phenomenon that the deformation displacement takes place for the top hand is too big, reduces the impaired problem of structure.

Preferably, the locating lever runs through the guide block and extends to the front side of guide block, the locating lever is the equidistance and arranges, and this setting makes guiding mechanism's compound die location effectual, can fix a position medical appliances's structure perfection.

Preferably, the sliding support mechanism is movably connected with the main body mechanism through a sliding base, and the die closing guide mechanism is movably connected with the main body mechanism through an electric push rod.

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

this medical treatment injection mold's guiding mechanism is equipped with the stainless steel construction at the structural plane of moulding plastics, and stainless steel construction heat resistance is good, and the tolerance is good, and the surface is smooth, is difficult for causing the material adhesion of moulding plastics, and the drawing of patterns work of being convenient for goes on, and cooperation decompression structure can effectual improvement device's life, and the pressure that decompression structure received the location structure outside cushions, reduces impulsive force effort, and the structure is difficult impaired, and is more durable, and guiding mechanism is more accurate.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic sectional view of the pressure reducing mechanism of the present invention;

fig. 4 is the three-dimensional structure schematic diagram of the die closing guide mechanism of the present invention.

In the figure: 1. a main body mechanism; 2. a sliding support mechanism; 3. a molding mechanism; 4. a mold closing guide mechanism; 5. a pressure reducing mechanism; 101. a mold body; 102. an electric push rod; 201. a support base; 202. a sliding base; 203. a linear motor set; 301. connecting the platform; 302. positioning a rod; 303. a stainless steel head; 401. a mounting seat; 402. die assembling; 403. a guide block; 404. extruding a stainless steel block; 501. a decompression chamber; 502. an outer buffer spring; 503. a front shock absorbing spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a guide mechanism of a medical injection mold comprises a main body mechanism 1, a sliding support mechanism 2, a forming mechanism 3, a mold closing guide mechanism 4 and a pressure reducing mechanism 5, wherein the sliding support mechanism 2 is positioned at the lower end of the main body mechanism 1, the forming mechanism 3 is positioned in the middle of the front end of the main body mechanism 1, the mold closing guide mechanism 4 is positioned on the front side of the main body mechanism 1, and the pressure reducing mechanism 5 is positioned inside the forming mechanism 3; the main body mechanism 1 comprises a mold main body 101 and an electric push rod 102, the electric push rod 102 is fixedly arranged on the side of the front end of the mold main body 101, the arrangement enables the structural connection to be more reasonable, and the electric push rod 102 can demould a cooled and shaped mold to complete the injection molding work of the mold; the sliding support mechanism 2 comprises a support base 201, a sliding base 202 and a linear motor set 203, the sliding base 202 is located at the upper end of the support base 201, the sliding base 202 is movably connected with the support base 201 through the linear motor set 203, the lower end of the device can realize the effect of flexible movement by installing the sliding support mechanism 2, the support base 201 is movably connected with the sliding base 202 through the linear motor set 203, the linear motor set 203 drives the sliding base 202 to move, and the sliding base 202 above is fixedly connected with the mold main body 101, so that the linear motor set 203 drives the sliding base to move to drive the upper structure to move, and the subsequent mold closing and injection molding work can be conveniently carried out;

the forming mechanism 3 comprises a connecting platform 301, a positioning rod 302 and a stainless steel head 303, the positioning rod 302 is positioned at the front end of the connecting platform 301, the stainless steel head 303 is fixedly arranged at the front end of the positioning rod 302, the positioning rod 302 at the front end of the connecting platform 301 is used for positioning the shape of a mold by mounting the forming mechanism 3, and the stainless steel head 303 at the front side can effectively avoid the problem of damage caused by pressure and prolong the service life of the device; the mold closing guide mechanism 4 comprises an installation seat 401, a mold closing seat 402, a guide block 403 and an extruded stainless steel block 404, the mold closing seat 402 is fixedly installed at the front end of the installation seat 401, the guide block 403 is fixedly installed in the middle of the front end of the mold closing seat 402, the extruded stainless steel block 404 is located at the outer end of the guide block 403, the injection molding shape can be guided and positioned at the front end of the structure by installing the mold closing guide mechanism 4, the mold closing seat 402 at the front end of the installation seat 401 is a contact surface used for mold closing, the guide block 403 is used for inserting and installing a positioning structure, and then the stainless steel block 404 is extruded, so that the tolerance of the contact surface is improved, and the service life is prolonged;

the pressure reducing mechanism 5 comprises a pressure reducing cavity 501, an outer buffer spring 502 and a front buffer spring 503, the pressure reducing cavity 501 is positioned inside the positioning rod 302, the outer buffer spring 502 is fixedly arranged at the upper side and the lower side of the outer end of the pressure reducing cavity 501, the front buffer spring 503 is fixedly arranged at the rear end of the stainless steel head 303, the pressure reducing mechanism 5 is arranged inside the positioning rod 302, pressure applied during die assembly and injection molding can be reduced and buffered, an external stainless steel structure is good in heat resistance and good in tolerance, the surface is smooth, the problem of adhesion of injection molding materials is not easily caused, demolding work is convenient to be carried out, high-pressure transportation is used during injection molding materials, therefore certain impact can be caused to the positioning rod 302 of the positioning structure, the outer buffer spring 502 arranged in the pressure reducing cavity 501 can offset the surrounding impact pressure, the impact on the structure is prevented from influencing the shape and quality, the front buffer spring 503 is positioned at the rear end of the stainless steel head 303, the pressure on the top end can be buffered, the phenomenon that the top end is deformed and displaced due to overlarge hand pressure is avoided, the problem of structural damage is reduced, and the accuracy of the injection-molded element is improved; the positioning rods 302 penetrate through the guide blocks 403 and extend to the front sides of the guide blocks 403, the positioning rods 302 are arranged at equal intervals, the mold closing positioning effect of the guide mechanism is good due to the arrangement, the structure of the medical appliance can be positioned perfectly, and the use after injection molding is facilitated; the sliding support mechanism 2 is movably connected with the main body mechanism 1 through the sliding base 202, the die closing guide mechanism 4 is movably connected with the main body mechanism 1 through the electric push rod 102, the structural connection is reasonable due to the arrangement, the subsequent injection molding and die closing work is convenient to perform, the structure is flexible to move, and the using effect is good.

The working principle is as follows: the device is a guide mechanism of a medical injection mold, can be used for injection molding and shaping of the mold, a sliding support mechanism 2 is arranged at the lower end of the device, and can realize the effect of flexible movement, a sliding base 202 above the sliding support mechanism is fixedly connected with a mold main body 101, so that a linear motor set 203 drives the movement to drive an upper structure to move, a positioning rod 302 at the front end of a connecting platform 301 is used for positioning the shape of the mold during injection molding, a stainless steel head 303 at the front side can effectively avoid the problem of damage caused by pressure, a mold closing guide mechanism 4 is arranged at the front end of the structure and can guide and position the injection molding shape, a mold closing seat 402 at the front end of a mounting seat 401 is used as a contact surface during mold closing, a guide block 403 is used for inserting and installing the positioning structure, then the stainless steel block 404 is extruded to improve the tolerance of the contact surface, and the outer buffer spring 502 and a front damping spring 503 in a decompression cavity 501 are matched for decompression, can offset each other impact pressure on every side, avoid the too big phenomenon that takes place deformation displacement of top hand, reduce the impaired problem of structure, improve the component accuracy after moulding plastics, the mould drawing of patterns of finalizing the design will be cooled off to electric putter 102 at last, accomplishes the mould work of moulding plastics, and each part of the device mutually supports makes the device whole more reasonable, the effectual work efficiency that has improved.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a medical treatment injection mold's guiding mechanism, includes main part mechanism (1), slip supporting mechanism (2), forming mechanism (3), compound die guiding mechanism (4) and decompression mechanism (5), its characterized in that: the sliding support mechanism (2) is positioned at the lower end of the main body mechanism (1), the forming mechanism (3) is positioned in the middle of the front end of the main body mechanism (1), the die closing guide mechanism (4) is positioned on the front side of the main body mechanism (1), and the pressure reducing mechanism (5) is positioned in the forming mechanism (3); the main body mechanism (1) comprises a die main body (101) and an electric push rod (102), wherein the electric push rod (102) is fixedly installed on the side of the front end of the die main body (101).

2. The guiding mechanism of a medical injection mold according to claim 1, wherein: the sliding support mechanism (2) comprises a support base (201), a sliding base (202) and a linear motor set (203), wherein the sliding base (202) is located at the upper end of the support base (201), and the sliding base (202) is movably connected with the support base (201) through the linear motor set (203).

3. The guiding mechanism of a medical injection mold according to claim 2, wherein: forming mechanism (3) are including connecting platform (301), locating lever (302) and stainless steel head (303), locating lever (302) are located the front end of connecting platform (301), stainless steel head (303) fixed mounting is at the front end of locating lever (302).

4. The medical injection mold guiding mechanism according to claim 3, wherein: the die closing guide mechanism (4) comprises an installation seat (401), a die closing seat (402), a guide block (403) and an extruded stainless steel block (404), wherein the die closing seat (402) is fixedly installed at the front end of the installation seat (401), the guide block (403) is fixedly installed in the middle of the front end of the die closing seat (402), and the extruded stainless steel block (404) is located at the outer end of the guide block (403).

5. The guiding mechanism of a medical injection mold according to claim 4, wherein: decompression mechanism (5) are including decompression chamber (501), outer buffer spring (502) and preceding damping spring (503), decompression chamber (501) are located the inside of locating lever (302), outer buffer spring (502) fixed mounting is in the upper and lower both sides of decompression chamber (501) outer end, preceding damping spring (503) fixed mounting is in the rear end of stainless steel head (303).

6. The guiding mechanism of a medical injection mold according to claim 5, wherein: the positioning rods (302) penetrate through the guide blocks (403) and extend to the front sides of the guide blocks (403), and the positioning rods (302) are arranged at equal intervals.

7. The guiding mechanism of a medical injection mold according to claim 6, wherein: the sliding support mechanism (2) is movably connected with the main body mechanism (1) through a sliding base (202), and the die closing guide mechanism (4) is movably connected with the main body mechanism (1) through an electric push rod (102).