CN113199708A

CN113199708A - Integrated molding injection mold for annular inserts

Info

Publication number: CN113199708A
Application number: CN202110643045.0A
Authority: CN
Inventors: 陈刚
Original assignee: Suzhou Yunda Plastic Electronics Co ltd
Current assignee: Suzhou Yunda Plastic Electronics Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-08-03
Anticipated expiration: 2041-06-09
Also published as: CN113199708B

Abstract

The invention discloses an injection mold for integrally molding a circular insert, which comprises: the upper die assembly comprises an upper die core; the lower die assembly comprises a lower die core module matched with the upper die core; wherein, lower mould benevolence module includes: a first lower mold core; a second lower mold core disposed in a central region of the first lower mold core; and a third lower mold core disposed in a central region of the second lower mold core; an embedded rod is arranged in the central area of the third lower die core, and a circular insert is sleeved on the periphery of the top end of the embedded rod; and a cavity for forming a product is defined among the upper die core, the first lower die core, the second lower die core and the third lower die core, and the annular insert is positioned in the cavity. According to the invention, the lower mold core module is composed of a plurality of lower mold cores, when one lower mold core is damaged, only the damaged lower mold core needs to be replaced, and the whole lower mold core module does not need to be replaced, so that the production cost is greatly reduced.

Description

Integrated molding injection mold for annular inserts

Technical Field

The invention relates to the technical field of dies. More specifically, the invention relates to an injection mold for integrally molding a circular ring-shaped insert.

Background

In the field of mold technology, it is well known to use injection molds of different structural forms to achieve injection molding of products. In the process of researching and realizing injection molding of products, the inventor finds that the injection mold in the prior art has at least the following problems:

firstly, the mold cores of the existing mold are integrally processed and formed, when the mold cores are damaged, the whole mold cores need to be replaced, and the cost is high; secondly, current mould can be with product and runner integrated into one piece, and the runner needs the excision, and present all excises through the manual work, and work efficiency is low, has increased the cost of labor simultaneously.

In view of the above, it is necessary to develop an injection mold for integrally molding a circular insert, so as to solve the above problems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention mainly aims to provide an injection mold for integrally molding a circular insert, wherein a lower mold core module is composed of a plurality of lower mold cores, when one lower mold core is damaged, only the damaged lower mold core needs to be replaced, and the whole lower mold core module does not need to be replaced, so that the production cost is greatly reduced, meanwhile, the lower mold core module is composed of a plurality of lower mold cores, so that the processing and molding of a single lower mold core are facilitated, the processing efficiency of the mold is improved, and the cost is further reduced.

Another object of the present invention is to provide an injection mold for integrally molding a circular insert, in which a gate inner cutting module is disposed to separate a gate in a glue inlet channel from a product inside a cavity when an upper mold core and a lower mold core are not separated, so that manual operation is not required, the degree of automation is high, the work efficiency is greatly improved, and the production cost is reduced.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an injection mold for integrally molding a circular ring-shaped insert, comprising: the upper die assembly comprises an upper die core; and

the lower die assembly comprises a lower die core module matched with the upper die core;

wherein, lower mould benevolence module includes: a first lower mold core;

a second lower mold core disposed in a central region of the first lower mold core; and

a third lower mold core disposed in a central region of the second lower mold core;

an embedded rod is arranged in the central area of the third lower die core, and a circular insert is sleeved on the periphery of the top end of the embedded rod;

and a cavity for forming a product is defined among the upper die core, the first lower die core, the second lower die core and the third lower die core, and the annular insert is positioned in the cavity.

Preferably, the top end of the first lower die core is provided with a first forming part;

the top end of the second lower die core is provided with at least two second forming parts, and each second forming part is spirally arranged at the top end of the second lower die core;

the top end of the third lower die core is provided with a third forming part;

the top end of the upper die core is provided with a fourth forming part;

and a product integrally formed with the annular insert is formed by matching the fourth forming part with the first forming part, the second forming part and the third forming part.

Preferably, at least two first annular cooling water inlets are formed in the upper mold core, and each first annular cooling water inlet is arranged in the upper mold core in an outward-diffusing array manner.

Preferably, the first lower die core is internally provided with second cooling water;

at least two third annular cooling water transporters are arranged inside the second lower die core, and each third annular cooling water transporter is arranged inside the second lower die core in an outward-diffusing array mode;

and a fourth annular cooling water conveying pipe is arranged inside the third lower die core.

Preferably, the upper die assembly further includes: the upper die core is arranged inside the upper die frame; and

the upper template is fixedly arranged above the upper template frame;

the lower die assembly further comprises: the lower die frame is arranged in the lower die frame;

the lower die base is fixedly arranged at the bottom end of the lower die frame; and

and the push rod module is movably arranged between the lower die frame and the lower die base and penetrates through the lower die kernel module.

Preferably, the method further comprises the following steps: the sprue inner cutting module is movably arranged in the upper mold frame,

the gate inscribe module includes: a rotary driver fixedly installed at a side end of the upper mold frame; the intermediate transmission unit is in transmission connection with the power output end of the rotary driver; and

a rotating shaft fixedly connected with the intermediate transmission unit;

the rotating shaft is provided with a glue inlet channel which penetrates through the rotating shaft along the vertical direction, the glue inlet channel is communicated with the cavity, and the rotating driver drives the rotating shaft to rotate through the intermediate transmission unit.

Preferably, the outlet of the glue inlet channel is provided with at least two glue outlets, each glue outlet is respectively arranged in the circumferential area of the outlet of the glue inlet channel, and each glue outlet is communicated with the cavity.

Preferably, a sealing groove is formed in the bottom end of the rotating shaft, the sealing groove is located at an outlet of the glue inlet channel, the sealing groove is matched with the upper half portion of the annular insert, and the upper half portion of the annular insert is sleeved in the sealing groove.

Preferably, the intermediate transmission unit includes: the transmission rack is in transmission connection with the power output end of the rotary driver; and

and the transmission gear is sleeved on the periphery of the rotating shaft and is in transmission connection with the transmission rack.

Preferably, a first protective sleeve is arranged between the rotating shaft and the upper die core, and the first protective sleeve is sleeved in the lower half area of the rotating shaft;

and a second protective sleeve and a third protective sleeve are arranged between the rotating shaft and the upper die frame, the second protective sleeve is sleeved in the middle area of the rotating shaft, and the third protective sleeve is sleeved in the upper half area of the rotating shaft.

One of the above technical solutions has the following advantages or beneficial effects: through setting up the lower mould benevolence module to constitute by a plurality of lower mould benevolence, when one of them lower mould benevolence damages, only need to change the lower mould benevolence that damages, need not to change whole lower mould benevolence module, greatly reduced manufacturing cost, simultaneously, will set up a plurality of lower mould benevolence and constitute lower mould benevolence module, the machine-shaping of single lower mould benevolence of being convenient for, and then improved the machining efficiency of mould, further reduce cost.

Another technical scheme in the above technical scheme has the following advantages or beneficial effects: through setting up runner inscribe module in order will advance the runner in the gluey passageway and the inside product separation of die cavity when last mould benevolence and lower mould benevolence module do not divide the mould, need not manual operation, degree of automation is high, has improved work efficiency greatly, has reduced manufacturing cost simultaneously.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description relate only to some embodiments of the present invention and are not limiting thereof, wherein:

fig. 1 is a top three-dimensional structural view of an injection mold for integrally molding a circular insert according to an embodiment of the present invention;

fig. 2 is a sectional view of an injection mold for integrally molding a circular ring-shaped insert according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a three-dimensional structural view of a product in an injection mold for integrally molding a circular insert according to an embodiment of the present invention;

fig. 5 is an exploded view of an upper mold assembly, a lower mold assembly and an in-gate mold in an injection mold for integrally molding a circular insert according to an embodiment of the present invention;

fig. 6 is a three-dimensional structural view of an upper mold core in an injection mold for integrally molding a circular insert according to an embodiment of the present invention;

fig. 7 is a three-dimensional structural view of an upper mold core of an injection mold for integrally molding a circular insert according to an embodiment of the present invention;

FIG. 8 is a three-dimensional structural view of a lower mold core module in an injection mold for integrally molding a circular insert according to an embodiment of the present invention;

FIG. 9 is a three-dimensional view of a lower mold core module in an injection mold for integrally molding a circular insert according to an embodiment of the present invention;

fig. 10 is a cross-sectional view of a first lower mold core of an injection mold for integrally molding a circular insert according to an embodiment of the present invention;

fig. 11 is a three-dimensional structural view of a gate undercut die set in an injection mold for integrally molding a circular insert according to an embodiment of the present invention;

FIG. 12 is a three-dimensional structural view of a rotating shaft in an integrally formed injection mold with a circular insert according to an embodiment of the present invention;

fig. 13 is a sectional view of a rotary shaft in an injection mold integrally molded with a circular ring-shaped insert according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc., are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on the position in which it is used, and thus these or other orientations should not be construed as limiting terms.

Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments, unless expressly described otherwise.

According to an embodiment of the present invention, referring to fig. 1 to 13, it can be seen that the injection mold for integrally molding the annular insert includes: upper die assembly 11 including upper die core 113; and

a lower mold assembly 12 including a lower mold core module 123 adapted to the upper mold core 113;

wherein, the lower mold insert module 123 includes: a first lower mold insert 1231;

a second lower mold core 1232 disposed at a central region of the first lower mold core 1231; and

a third lower mold core 1233 disposed at a central region of the second lower mold core 1232;

an embedded rod 125 is arranged in the central region of the third lower die core 1233, and a circular insert 144 is sleeved on the periphery of the top end of the embedded rod 125;

a cavity for molding a product is defined between the upper mold core 113 and the first, second and third

lower mold cores

123, 1232 and 1233, and the annular insert 144 is located in the cavity.

It can be understood that the lower mold core module 13 of the present invention is composed of a first lower mold core 1231, a second lower mold core 1232 and a third lower mold core 1233, when one of the lower mold cores is damaged, only the damaged lower mold core needs to be replaced, and the whole lower mold core module does not need to be replaced, which greatly reduces the production cost, and meanwhile, a plurality of lower mold cores are provided to form the lower mold core module, which is convenient for the processing and molding of a single lower mold core, thereby improving the processing efficiency of the mold and further reducing the cost;

secondly, the ring-shaped inserts are directly placed on the mold cores in the existing mold, damage to the mold cores is easily caused, the ring-shaped inserts are supported by the aid of the embedding rods, the ring-shaped inserts only damage the embedding rods and cannot damage the mold cores, the mold cores can be effectively protected, service lives of the mold cores are prolonged, and meanwhile, when the embedding rods are damaged, only the embedding rods need to be replaced, and production cost is further reduced.

In a preferred embodiment of the invention, the product 14 comprises: a wheel disc portion 141;

at least two blade portions 142, each blade 143 being spirally disposed on an outer circumference of the disk portion 141; and

an outer wheel portion 143 disposed at an outer periphery of each of the blade portions 142;

the annular insert 144 is disposed in a central region of the wheel portion 141.

The upper half part of the embedded rod 125 is provided with a limiting part 1251, the central area of the annular insert 144 is provided with a limiting hole 1441, and the annular insert 144 is limited and fixed by the matching of the limiting hole 1441 and the limiting part 1251.

Further, a first forming portion 12311 is disposed at the top end of the first lower mold insert 1231;

the top end of the second lower mold core 1232 is provided with at least two second forming portions 12321, and each second forming portion 12321 is spirally arranged with the top end of the second lower mold core 1232;

a third forming part 12331 is arranged at the top end of the third lower mold core 1233;

a fourth forming portion 1131 is disposed at the top end of the upper mold insert 113;

the fourth molding portion 1131 is matched with the first molding portion 12311, the second molding portion 12321, and the third molding portion 12331 to mold a product integrally molded with the annular insert 144.

It can be understood that the outer wheel portion 143 is formed by the cooperation of the first forming portion 12311 and the fourth forming portion 1131, the blade portion 132 is formed by the cooperation of the second forming portion 12321 and the fourth forming portion 1131, the wheel disc portion 141 is formed by the cooperation of the third forming portion 12331 and the fourth forming portion 1131, and meanwhile, an insert rod 125 is disposed inside a central region of the third lower mold core 1233, and a circular ring-shaped insert 144 is sleeved on a top end periphery of the insert rod 125, so that the circular ring-shaped insert 144 and the wheel disc portion 141 are integrally formed.

Further, at least two first annular cooling water transport 1132 are disposed inside the upper mold insert 113, and each first annular cooling water transport 1132 is disposed inside the upper mold insert 113 in an outwardly diffusing array manner.

Further, a second cooling water delivery 12312 is disposed inside the first lower mold insert 1231;

at least two third annular cooling water transportation 12322 are disposed inside the second lower mold core 1232, and each third annular cooling water transportation 12322 is disposed inside the second lower mold core 1232 in an outward-diffusing array manner;

a fourth annular cooling water delivery 12332 is arranged inside the third lower mold core 12332.

It can be understood that a plurality of first annular cooling water inlets 1132 are disposed inside the upper mold core to cool the fourth forming portion 1131, so as to facilitate the forming of the product; a second cooling water delivery unit 12312 is disposed inside the first lower mold insert 1231, so that the first forming portion 12311 and the fourth forming portion 1131 cooperate to form the outer wheel 143; a plurality of third annular cooling water inlets 12322 are formed in the second lower mold core 1232, so that the second molding portion 12321 and the fourth molding portion 1131 cooperate to mold the blade 132; a fourth annular cooling water supply 12332 is disposed inside the third lower mold core 12332, so that the third forming portion 12331 and the fourth forming portion 1131 cooperate to form the wheel disc portion 141.

In a preferred embodiment of the present invention, each of the first annular cooling water carriers 1132 includes at least two first cooling grooves 11321, each of the first cooling grooves 11321 extends along the vertical direction, and each of the first cooling grooves 11321 is regularly arrayed along the extending direction of the first annular cooling water carrier 1132, and the cooling effect of the first annular cooling water carrier is enhanced by providing a plurality of first cooling grooves 11321;

each of the third annular cooling water 12322 comprises at least two second cooling grooves 12323, each of the second cooling grooves 12323 extends along the vertical direction, and each of the second cooling grooves 12323 is regularly arrayed along the extending direction of the third annular cooling water 12322, and the cooling effect of the third annular cooling water 12322 is enhanced by providing a plurality of second cooling grooves 12323;

each of the fourth annular cooling water streams 12332 includes at least two third cooling grooves 12333, each of the third cooling grooves 12333 extends along the vertical direction, and each of the third cooling grooves 12333 is regularly arrayed along the extending direction of the fourth annular cooling water stream 12332, so that the cooling effect of the fourth annular cooling water stream 12332 is enhanced by providing a plurality of third cooling grooves 12333.

Further, the upper die assembly 11 further includes: an upper mold frame 112, wherein the upper mold core 113 is arranged inside the upper mold frame 112; and

an upper mold plate 111 fixedly installed above the upper mold frame 112;

the lower die assembly 12 further includes: the lower mold frame 122, the lower mold core module 123 is disposed inside the lower mold frame 122;

a lower die holder 121 fixedly installed at a bottom end of the lower die frame 122; and

and the push rod module 124 is movably arranged between the lower mold frame 122 and the lower mold base 121, and the push rod module 124 penetrates through the lower mold core module 123.

Further, still include: an inner gate cutting die set 13 movably installed inside the upper die frame 112,

the gate insert module 13 includes: a rotary driver 131 fixedly installed at a side end of the upper mold frame 112;

an intermediate transmission unit which is in transmission connection with the power output end of the rotary driver 131; and

a rotating shaft 134 fixedly connected to the intermediate transmission unit;

a glue inlet passage 1341 penetrating through the rotating shaft 134 along the vertical direction is formed in the rotating shaft 134, the glue inlet passage 1341 is communicated with the cavity, and the rotating driver 131 drives the rotating shaft 134 to rotate through an intermediate transmission unit.

It can be understood that after the upper mold core 113 and the lower mold core module 123 are closed, a product is molded in the cavity, and a gate integrated with the product is generated in the glue inlet passage 1341, and the gate needs to be cut off.

Further, at least two glue outlets 1342 are formed at an outlet of the glue inlet passage 1341, each glue outlet 1342 is respectively arranged in a circumferential area at the outlet of the glue inlet passage 1341, and each glue outlet 1342 is communicated with the cavity.

It can be understood that the rotary driver 131 drives the rotary shaft 134 to rotate through an intermediate transmission unit, so that the rotary shaft 134 applies a certain force to the gate formed at each glue outlet 1342 at the outlet of the glue inlet passage 1341, so that the gate formed at each glue outlet 1342 is separated from the product molded inside the cavity, and finally the gate generated in the glue inlet passage 1341 is separated from the product molded inside the cavity as a whole.

Further, a sealing groove 1343 is formed at the bottom end of the rotating shaft 134, the sealing groove 1343 is located at an outlet of the glue inlet passage 1341, the sealing groove 1343 is matched with the upper half portion of the annular insert 144, and the upper half portion of the annular insert 144 is sleeved in the sealing groove 1343.

The upper half part of the circular ring-shaped insert 144 is sleeved in the sealing groove 1343, so that the glue inlet channel 1341 can be communicated with the cavity only through each glue outlet 1342, a sprue generated by the glue inlet channel 1341 is separated from a product formed in the cavity, the working efficiency is improved, meanwhile, the circular ring-shaped insert 144 can be limited and fixed, the circular ring-shaped insert 144 is prevented from moving freely, and the formation of poor products is reduced.

In a preferred embodiment of the present invention, the upper mold assembly 11 further includes: a sprue bush 114 communicating with an inlet of the glue inlet passage 1341.

Further, the intermediate transmission unit includes: a transmission rack 132, which is in transmission connection with the power output end of the rotary driver 131; and

and a transmission gear 133 sleeved on the periphery of the rotating shaft 134, wherein the transmission gear 133 is in transmission connection with the transmission rack 132.

It can be understood that the rotary driver 131 drives the transmission rack 132 to move, so as to drive the transmission gear 133 to rotate, and finally drive the rotary shaft 134 to rotate, so as to control the rotary shaft 134 to separate the gate from the product.

In a preferred embodiment of the present invention, a guide groove 1121 is formed at a top end of the upper mold frame 112, and the transmission rack 132 is disposed inside the guide groove 1121.

It will be appreciated that the guide slot 1121 guides the drive rack 132.

The surface of the guide groove 1121 is provided with a wear-resistant block to prevent the driving rack 132 from being burnt, so as to prolong the service life of the driving rack 132.

Further, a first protective sleeve 135 is arranged between the rotating shaft 134 and the upper die core 113, and the first protective sleeve 135 is sleeved on the lower half area of the rotating shaft 134;

a second protective sleeve 136 and a third protective sleeve 137 are arranged between the rotating shaft 134 and the upper mold frame 112, the second protective sleeve 136 is sleeved in the middle area of the rotating shaft 134, and the third protective sleeve 137 is sleeved in the upper half area of the rotating shaft 134.

It can be understood that the rotation shaft 134 periodically rotates to possibly damage the upper mold core 113, and a first protection cover 135 is disposed between the rotation shaft 134 and the upper mold core 113 to prevent the rotation shaft 134 from damaging the upper mold core 113 after multiple rotations, thereby increasing the cost;

the upper mold frame 112 may be damaged due to the periodic rotation of the rotating shaft 134, and a second protective sleeve 136 and a third protective sleeve 137 are disposed between the rotating shaft 134 and the upper mold frame 112 to prevent the rotating shaft 134 from being damaged after rotating for multiple times, thereby increasing costs.

The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.

Claims

1. The utility model provides a ring shape inserts integrated into one piece injection mold which characterized in that includes: an upper die assembly (11) including an upper die core (113); and

the lower die assembly (12) comprises a lower die core module (123) matched with the upper die core (113);

wherein, lower mould benevolence module (123) includes: a first lower core insert (1231);

a second lower mold insert (1232) disposed in a central region of the first lower mold insert (1231); and

a third lower core (1233) disposed at a central region of the second lower core (1232);

an embedded rod (125) is arranged in the central area of the third lower die core (1233), and a circular insert (144) is sleeved on the periphery of the top end of the embedded rod (125);

a cavity for molding products is defined among the upper die core (113), the first lower die core (123), the second lower die core (1232) and the third lower die core (1233), and the annular insert (144) is positioned in the cavity.

2. The injection mold for integrally molding a circular insert as claimed in claim 1, wherein the first lower mold insert (1231) is provided at a top end thereof with a first molding portion (12311);

the top end of the second lower die core (1232) is provided with at least two second forming parts (12321), and each second forming part (12321) is spirally arranged with the top end of the second lower die core (1232);

the top end of the third lower die core (1233) is provided with a third forming part (12331);

a fourth forming part (1131) is arranged at the top end of the upper die core (113);

the fourth molding part (1131) is matched with the first molding part (12311), the second molding part (12321) and the third molding part (12331) to mold a product integrally molded with the annular insert (144).

3. The injection mold for integrally molding a circular insert as claimed in claim 2, wherein at least two first annular cooling water transport streams (1132) are disposed inside the upper mold core (113), and each first annular cooling water transport stream (1132) is disposed inside the upper mold core (113) in an outwardly spreading array.

4. The injection mold for integrally molding a circular insert as claimed in claim 2, wherein the first lower mold insert (1231) is provided with a second cooling water (12312) therein;

at least two third annular cooling water transportation devices (12322) are arranged inside the second lower mold core (1232), and each third annular cooling water transportation device (12322) is arranged inside the second lower mold core (1232) in an outward-diffusing array mode;

a fourth annular cooling water conveying pipe (12332) is arranged inside the third lower die core (12332).

5. The annular insert integral molding injection mold as set forth in claim 1, wherein the upper mold assembly (11) further comprises: the upper die core (113) is arranged inside the upper die frame (112); and

an upper die plate (111) fixedly mounted above the upper die frame (112);

the lower die assembly (12) further comprises: the lower die frame (122), the lower die core module (123) is arranged in the lower die frame (122);

a lower die holder (121) fixedly mounted at the bottom end of the lower die frame (122); and

and the push rod module (124) is movably arranged between the lower die frame (122) and the lower die base (121), and the push rod module (124) penetrates through the lower die core module (123).

6. The annular insert integral molding injection mold according to claim 5, further comprising: a gate inner cutting die set (13) which is movably arranged inside the upper die frame (112),

the gate undercut block (13) comprises: a rotary driver (131) fixedly mounted on the side end of the upper mold frame (112);

the intermediate transmission unit is in transmission connection with a power output end of the rotary driver (131); and

a rotating shaft (134) fixedly connected with the intermediate transmission unit;

the interior of the rotating shaft (134) is provided with a glue inlet channel (1341) which penetrates through the rotating shaft (134) along the vertical direction, the glue inlet channel (1341) is communicated with the cavity, and the rotating driver (131) drives the rotating shaft (134) to rotate through the intermediate transmission unit.

7. The injection mold for integrally molding the circular insert as claimed in claim 6, wherein at least two glue outlets (1342) are opened at an outlet of the glue inlet channel (1341), each glue outlet (1342) is respectively disposed in a circumferential region at the outlet of the glue inlet channel (1341), and each glue outlet (1342) is communicated with the cavity.

8. The injection mold for integrally molding an annular insert as claimed in claim 6, wherein a sealing groove (1343) is formed at a bottom end of the rotating shaft (134), the sealing groove (1343) is located at an outlet of the glue inlet channel (1341), the sealing groove (1343) is adapted to an upper half portion of the annular insert (144), and the upper half portion of the annular insert (144) is sleeved in the sealing groove (1343).

9. The annular insert integral molding injection mold according to claim 6, wherein the intermediate transmission unit comprises: a transmission rack (132) in transmission connection with the power output end of the rotary driver (131); and

and the transmission gear (133) is sleeved on the periphery of the rotating shaft (134), and the transmission gear (133) is in transmission connection with the transmission rack (132).

10. The injection mold for integrally molding a circular ring-shaped insert as claimed in claim 6, wherein a first protective sleeve (135) is disposed between the rotating shaft (134) and the upper mold core (113), and the first protective sleeve (135) is sleeved on a lower half region of the rotating shaft (134);

a second protective sleeve (136) and a third protective sleeve (137) are arranged between the rotating shaft (134) and the upper die frame (112), the second protective sleeve (136) is sleeved in the middle area of the rotating shaft (134), and the third protective sleeve (137) is sleeved in the upper half area of the rotating shaft (134).