CN217123832U - Injection mold and injection molding machine - Google Patents

Abstract

The utility model discloses an injection mold and injection molding machine, wherein injection mold includes fixed die plate, cover half benevolence, movable mould benevolence, first slider and second slider, and the cover half benevolence is installed in the fixed die plate, and movable mould benevolence is installed in the movable mould board, and movable mould benevolence is equipped with into gluey groove, and first slider sliding connection just is equipped with into the shape seat in the movable mould board, the first slider of second slider sliding connection. When the injection mold of the utility model is closed, two sides of the forming seat are respectively abutted against the first side wall of the movable mold core and the second side wall of the second slide block, so that the forming seat, the first side wall, the second side wall and the fixed mold core are enclosed to form a forming cavity, and the forming cavity is communicated with the glue inlet groove; after the injection mold is opened, the second sliding block slides to be away from the forming seat to separate the second side wall from the product, then the first sliding block drives the forming seat to slide to be away from the movable mold core to separate the product from the first side wall, and the product can be automatically sheared at the water gap in the movement process, so that the production efficiency is improved, and the product quality is improved.

Description

Injection mold and injection molding machine

Technical Field

The utility model relates to the technical field of mold, in particular to injection mold and injection molding machine.

Background

In the related technology, the problem that the product still needs manual cutting of the water gap after the mold opening of the injection mold generally exists, and particularly for the product with multiple buckling positions, the processing time is long, and the quality is uncontrollable.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an injection mold can realize the die sinking in-process automatically cropped mouth of a river, has improved production efficiency, and the quality is more controllable moreover.

The utility model discloses still provide an injection molding machine with above-mentioned injection mold.

According to the utility model discloses injection mold of first aspect embodiment, include: fixing a template; the fixed die core is arranged on the fixed die plate; a movable platen capable of moving relative to the fixed platen; the first sliding block is connected with the movable template in a sliding mode and provided with a forming seat; the movable mould core is arranged on the movable mould plate, a glue inlet groove is formed in the end face, facing the fixed mould plate, of the movable mould core, and a first side wall is arranged on one side, facing the forming seat, of the movable mould core; the second sliding block is connected with the first sliding block in a sliding mode, and a second side wall is arranged on one side, facing the forming seat, of the second sliding block; when the injection mold is closed, two sides of the forming seat are respectively abutted to the first side wall and the second side wall, the forming seat, the first side wall, the second side wall and the fixed mold core are enclosed to form a forming cavity, and the forming cavity is communicated with the glue inlet groove.

According to the utility model discloses injection mold has following beneficial effect at least:

the first sliding block is connected with the movable template in a sliding mode and provided with a forming seat, and the second sliding block is connected with the first sliding block in a sliding mode; when the injection mold is closed, two sides of the forming seat are respectively abutted against a first side wall of the movable mold core and a second side wall of the second slide block, so that the forming seat, the first side wall, the second side wall and the fixed mold core are enclosed to form a forming cavity, and the forming cavity is communicated with the glue inlet groove so that a molten material is injected into the forming cavity to be formed into a product; after the injection mold opens the die, thereby the second slider slides and keeps away from the shaping seat and makes the second lateral wall break away from with the product, thereby first slider drives the shaping seat and slides and keeps away from movable mould benevolence and make product and first lateral wall break away from to make the mouth of a river of product can be in the motion in-process automatic shearing advances the jiao chi, avoided the product to need the artifical problem of cuting the mouth of a river, improved production efficiency, promoted product quality.

According to some embodiments of the utility model, first side wall is formed with the arcwall face, the arcwall face with advance the rubber slot orientation the one end of one-tenth die cavity is connected.

According to some embodiments of the utility model, advance gluey groove including the chamber section and the runner section of advancing that are connected, the width of advancing the chamber section certainly the runner section extremely become the die cavity and reduce gradually.

According to some embodiments of the invention, the depth of the cavity entry section is smaller than the depth of the runner section.

According to some embodiments of the present invention, the depth of the cavity entering section is gradually reduced from the runner section to the molding cavity.

According to the utility model discloses a some embodiments, first slider is equipped with two, two first slider is located respectively the both sides of movable mould benevolence, the second slider is equipped with two, two the second slider is sliding connection respectively corresponding first slider.

According to some embodiments of the present invention, the first slider is provided with a first oblique guide hole, the first oblique guide hole is a kidney-shaped hole, and the second slider is provided with a second oblique guide hole; the injection mold further comprises an oblique guide post, the oblique guide post is fixedly connected with the fixed mold plate, and the oblique guide post penetrates through the first oblique guide hole and the second oblique guide hole so as to drive the second sliding block to slide when the injection mold is opened.

According to the utility model discloses a some embodiments, injection mold still includes the stopper, the stopper is located first slider just is located on the slip path of second slider, the second slider passes through the stopper drives first slider synchronous slip.

According to the utility model discloses a some embodiments, injection mold still includes thimble assembly, thimble assembly includes thimble board and a plurality of thimble, a plurality of stroke holes have been seted up to the thimble board, the stroke hole is waist type hole, and is a plurality of the thimble corresponds respectively to wear to locate a plurality of in the stroke hole.

According to some embodiments of the utility model, the thimble board is kept away from the one end of fixed die plate is equipped with the stroke groove, the stroke groove with stroke hole intercommunication, the thimble be equipped with stroke groove sliding location complex thimble head.

According to the utility model discloses injection molding machine of second aspect embodiment, including above embodiment injection mold.

According to the utility model discloses injection molding machine has following beneficial effect at least:

by adopting the injection mold of the embodiment of the first aspect, the injection mold is provided with a fixed mold plate and a movable mold plate capable of moving relative to the fixed mold plate, the fixed mold plate is provided with a fixed mold core, the movable mold plate is provided with a movable mold core of a glue inlet groove, a first slide block is connected with the movable mold plate in a sliding manner and is provided with a forming seat, and a second slide block is connected with the first slide block in a sliding manner; when the injection mold is closed, two sides of the forming seat are respectively abutted against a first side wall of the movable mold core and a second side wall of the second slide block, so that the forming seat, the first side wall, the second side wall and the fixed mold core are enclosed to form a forming cavity, and the forming cavity is communicated with the glue inlet groove so that a molten material is injected into the forming cavity to be formed into a product; after the injection mold opens the die, thereby the second slider slides and keeps away from the shaping seat and makes the second lateral wall break away from with the product, thereby first slider drives the shaping seat and slides and keeps away from movable mould benevolence and make product and first lateral wall break away from to make the mouth of a river of product can be in the motion in-process automatic shearing advances the jiao chi, avoided the product to need the artifical problem of cuting the mouth of a river, improved production efficiency, promoted product quality.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a schematic structural view of an injection mold according to an embodiment of the present invention;

FIG. 2 is a partial exploded view of FIG. 1;

FIG. 3 is a partial exploded view of the movable platen, the movable mold core, the first slide block, the second slide block and the angle guide pillar shown in FIG. 2;

FIG. 4 is an enlarged view of the cavity block of FIG. 3;

FIG. 5 is an enlarged view of the first slider of FIG. 3;

FIG. 6 is an enlarged view of the second slider of FIG. 3;

FIG. 7 is a top view of the movable platen, the movable mold core, the first slide block and the second slide block shown in FIG. 2;

FIG. 8 is a cross-sectional view of section A-A of FIG. 7;

FIG. 9 is a top view of the cavity block of FIG. 3;

FIG. 10 is an enlarged view at B of FIG. 9;

FIG. 11 is a cross-sectional view of section C-C of FIG. 9;

FIG. 12 is an enlarged view at D of FIG. 11;

FIG. 13 is an assembled perspective view of the needle plate and ejector pins shown in FIG. 1;

fig. 14 is an assembled cross-sectional view of the needle plate and ejector pins shown in fig. 1.

Reference numerals:

a panel 100; a pour hole 110;

fixing the template 200; a pouring channel 210;

a movable platen 300; a first groove 310;

a core setter 400;

a movable die core 500; a first sidewall 510; an arcuate surface 511; a glue inlet groove 520; a lumen access section 521; a flow passage section 522; a step 523;

a first slider 600; a forming base 610; a first rib 620; a second groove 630; a first slanted guide hole 640; a stop block 650;

a second slider 700; a second sidewall 710; a second rib 720; a second slant guide hole 730;

an oblique guide pillar 800;

a thimble assembly 900; a needle board 910; a travel hole 911; a stroke groove 912; a thimble 920; and (4) ejecting the needle head 921.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper and lower directions, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.

In the description of the present invention, a plurality means two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, an injection mold according to an embodiment of the present invention is installed in an injection molding machine (not shown in the figure), and the injection molding machine injects a melt into the injection mold, thereby producing a product. The utility model discloses injection mold includes panel 100, fixed die plate 200 and movable die plate 300. One end of the panel 100 is fixedly installed on the injection molding machine, the other end of the panel 100 is fixedly connected with the fixed mold plate 200, the panel 100 is provided with a pouring hole 110 communicated with a pouring system of the injection molding machine, the fixed mold plate 200 is provided with a pouring channel 210 communicated with the pouring hole 110, the movable mold plate 300 is installed on the injection molding machine, and the injection molding machine can drive the movable mold plate 300 to move relative to the fixed mold plate 200, for example, move along the up-down direction of fig. 1, so that the mold closing and opening of the injection mold are realized.

Referring to fig. 2 and 3, an injection mold according to an embodiment of the present invention further includes a core insert 400, a core insert 500, a first slider 600, and a second slider 700. Referring to fig. 4, the fixed mold core 400 is fixedly installed below the fixed mold plate 200, the movable mold core 500 is fixedly installed above the movable mold plate 300, the first slider 600 is slidably connected to the movable mold plate 300, and a molding base 610 is disposed on one side of the first slider 600. Referring to fig. 5 and 6, a first sidewall 510 is disposed on a side of the cavity insert 500 facing the forming seat 610, the second slider 700 is slidably connected to the first slider 600, a second sidewall 710 is disposed on a side of the second slider 700 facing the forming seat 610, and the first sidewall 510 and the second sidewall 710 are respectively disposed on two sides of the forming seat 610.

Referring to fig. 7 and 8, it can be understood that when the injection mold is closed, two sides of the forming base 610 abut against the first sidewall 510 and the second sidewall 710, respectively, the forming base 610, the first sidewall 510, the second sidewall 710 and the fixed mold core 400 enclose a forming cavity (not shown), the melt is injected into the forming cavity, and the product is formed in the forming cavity. The up end of movable mould core 500 is equipped with the gluey groove 520 of advancing that communicates the shaping chamber, advances gluey groove 520 and pouring channel 210 intercommunication, and pouring channel 210 pours into gluey groove 520 with the melt injection, advances gluey groove 520 and sets up according to the quantity in actual shaping chamber, and a shaping chamber corresponds intercommunication one or more and advances gluey groove 520, and shaping chamber and the quantity mating relation that advances gluey groove 520 need design according to actual product, no longer specifically inject here.

It can be understood that, after injection molding is finished, the injection mold opens the mold, first the second slider 700 slides and keeps away from the forming seat 610, the second side wall 710 is separated from the product in advance, the first trip of the product is formed, then the first slider 600 drives the forming seat 610 to slide and keep away from the movable mold insert 500, the product is separated from the first side wall 510, the second trip is formed, the product can generate shearing force in the moving process at the moment, and the water gap formed after the glue inlet groove 520 is molded by injection is cut through the shearing force, so that the automatic water gap cutting of the product is realized. And when the second tripping is finished, ejecting the product out of the forming seat 610 by controlling the ejector pin 920, demoulding the product, mechanically resetting the injection mould, and closing the mould again. The injection molding machine and the injection mold are matched and circulated according to the steps, so that the continuous production of the product is realized. In addition, compare in traditional injection mold, the utility model discloses connected mode between each spare part of embodiment is more reliable and the maintenance of being convenient for.

It is understood that there are various ways to sequentially slide the first slider 600 and the second slider 700, for example, driving the first slider and the second slider by using separate driving mechanisms, or by using a stroke limiting method, which is not limited in detail herein.

The utility model discloses injection mold can realize the mouth of a river of automatically cropped product, has avoided the product to need the problem at artifical shearing mouth of a river, has reduced workman's intensity of labour, has improved production efficiency, has promoted product quality.

Referring to fig. 3 and 5, it can be understood that, in order to ensure the sliding accuracy of the first slider 600 and the movable die plate 300 and improve the stability of the sliding of the first slider 600, the first slider 600 is provided with a first rib 620 extending in the sliding direction, and correspondingly, the movable die plate 300 is provided with a first groove 310 slidably engaged with the first rib 620. It is understood that, as another embodiment, the first slider 600 may also be provided with the first groove 310, and correspondingly, the movable die plate 300 is provided with the first rib 620 slidably engaged with the first groove 310.

Referring to fig. 5 and 6, it can be understood that, in order to ensure the sliding accuracy of the second slider 700 and the first slider 600 and to improve the stability of the sliding of the second slider 700, the second slider 700 is provided with a second protrusion 720 extending in the sliding direction, and correspondingly, the first slider 600 is provided with a second groove 630 slidably engaged with the second protrusion 720. It is understood that, as another embodiment, the second slider 700 may also be provided with a second groove 630, and correspondingly, the first slider 600 is provided with a first protruding strip 620 slidably engaged with the second groove 630.

Referring to fig. 3 and 7, it can be understood that, in order to improve the production efficiency of the injection mold, the cavity is formed on both sides of the core insert 500. The number of the first sliders 600 is two, the two first sliders 600 are respectively disposed at two sides of the core insert 500, the number of the second sliders 700 is two, and the two second sliders 700 are respectively slidably connected to the corresponding first sliders 600. It can be understood that the first slider 600 positioned on the left side of the movable mold core 500 is slidably connected to the left portion of the movable mold plate 300, the second slider 700 positioned on the left side of the movable mold core 500 is slidably connected to the first slider 600, correspondingly, the first slider 600 positioned on the right side of the movable mold core 500 is slidably connected to the right portion of the movable mold plate 300, and the second slider 700 positioned on the right side of the movable mold core 500 is slidably connected to the first slider 600. When the injection mold is closed, the first slider 600 and the second slider 700 positioned on the left side of the movable mold core 500, the movable mold core 500 and the fixed mold core 400 form a group of molding cavities, and the first slider 600 and the second slider 700 positioned on the right side of the movable mold core 500, the movable mold core 500 and the fixed mold core 400 form another group of molding cavities. When the injection mold is opened, the second sliding blocks 700 positioned on the left side and the right side of the movable mold core 500 synchronously slide to realize first tripping, and then the first sliding blocks 600 positioned on the left side and the right side of the movable mold core 500 synchronously slide to realize second tripping.

Referring to fig. 9 and 10, it can be appreciated that the first sidewall 510 is formed with an arc-shaped face 511. The arc surface 511 is arranged because the product has an arc-shaped peripheral surface, and the glue inlet groove 520 is arranged at the position of the arc surface 511, namely, one end of the glue inlet groove 520 facing the molding cavity is connected with the arc surface 511, so that when the second slider 700 slides away from the movable mold insert 500, the product on the molding base 610 is more easily sheared and separated from the water gap on the glue inlet groove 520, and the quality of the product is further improved.

Referring to fig. 10, it can be understood that the cavity inlet 520 includes a cavity inlet section 521 and a runner section 522, the cavity inlet section 521 and the runner section 522 are connected and integrally formed with the cavity insert 500, and the runner passage 210 communicates with the runner section 522, so that the melt is injected into the cavity inlet 520 and then injected into the molding cavity through the cavity inlet section 521. It can be understood that the width of the cavity inlet section 521 is gradually reduced from the runner section 522 to the molding cavity, so that the pressure of the molten material entering the molding cavity is increased, the adhesion area between the nozzle formed after the injection molding of the glue inlet groove 520 and the product is smaller, the nozzle is more beneficial to being cut and separated from the product during the second tripping, and the product quality is improved.

Referring to fig. 10, it can be understood that, in the glue inlet groove 520 according to an embodiment of the present invention, the depth of the cavity inlet section 521 is smaller than the depth of the runner section 522, that is, a step 523 is formed between the cavity inlet section 521 and the runner section 522, so as to effectively reduce the communication area between the glue inlet groove 520 and the first sidewall 510, so that the adhesion area between the nozzle formed after the injection molding of the glue inlet groove 520 and the product is increased, and the nozzle and the product are more easily separated during the second trip, thereby improving the product quality.

Referring to fig. 11 and 12, it can be understood that, in the glue inlet groove 520 according to another embodiment of the present invention, the depth of the cavity inlet section 521 is gradually reduced from the flow channel section 522 to the molding cavity, which is beneficial to increase the pressure of the molten material entering the molding cavity, and the communication area between the glue inlet groove 520 and the first sidewall 510 is reduced, so that the adhesion area between the nozzle formed after the injection molding of the glue inlet groove 520 and the product is increased, and the nozzle and the product are more easily separated when the second trip is performed, thereby improving the product quality.

Referring to fig. 2 and fig. 3, the injection mold according to the embodiment of the present invention further includes an inclined guide pillar 800, and the inclined guide pillar 800 is fixedly connected to the fixed mold plate 200. The first slider 600 is provided with a first inclined guide hole 640, the first inclined guide hole 640 is a waist-shaped hole (also called a long hole), the second slider 700 is provided with a second inclined guide hole 730, and the inclined guide pillar 800 penetrates through the first inclined guide hole 640 and the second inclined guide hole 730. When the injection mold is opened, when the movable mold plate 300 moves in a direction away from the fixed mold plate 200, the inclined guide post 800 abuts against the inner wall of the second inclined guide hole 730 and drives the second slider 700 to slide, and meanwhile, because the first inclined guide hole 640 of the first slider 600 is a waist-shaped hole, the inclined guide post 800 moves in the extending direction of the first inclined guide hole 640 at the front section of the movement of the movable mold plate 300 and does not abut against the inner wall of the first inclined guide hole 640 and drive the first slider 600 to slide, so that the situation that the first tripping cannot be realized due to the synchronous sliding of the first slider 600 and the second slider 700 is avoided, and the step of the second tripping due to the relative sliding between the second slider 700 and the movable mold plate 300 is prior to the step of the first tripping is also avoided. It is understood that the angle guide post 800 may be provided with a plurality of pieces so that the driving of the second slider 700 is more stable, and accordingly, the number and positions of the first angle guide hole 640 and the second angle guide hole 730 are cooperatively provided with the angle guide post 800.

Referring to fig. 2, 3 and 5, it can be understood that a limiting block 650 is disposed on the first slider 600, and the limiting block 650 is disposed on a side of the first slider 600 away from the forming seat 610, that is, on a sliding path of the second slider 700, so that when the injection mold is opened and the movable mold plate 300 moves in a direction away from the fixed mold plate 200, the inclined guide pillar 800 abuts against an inner wall of the second inclined guide hole 730 and drives the second slider 700 to slide, and when the second slider 700 slides relative to the first slider 600 and slides to the limiting block 650, the second slider 700 drives the first slider 600 to slide synchronously through the limiting block 650, so that the relative sliding between the first slider 600 and the movable mold plate 300 is realized, and a shearing force is generated to shear and separate the nozzle from the product. The embodiment of the utility model provides an adopt stopper 650 to realize the first slider 600 synchronous motion of second slider 700 drive for the drive of first slider 600 and second slider 700 is more stable, and controls simplyr.

Referring to fig. 1 and 13, it can be understood that the injection mold of the embodiment of the present invention further includes a thimble assembly 900, the thimble assembly 900 includes a plurality of thimble plates 910 and thimbles 920, the thimbles 920 are provided with a plurality of thimbles 920, the plurality of thimbles 920 are respectively arranged at intervals in the forming base 610, the number and the arrangement positions of the thimbles 920 are designed according to actual products, and are not specifically limited herein. A plurality of stroke holes 911 have been seted up to thimble board 910, and a plurality of thimbles 920 correspond respectively and wear to locate in a plurality of stroke holes 911, and stroke hole 911 is waist type hole (also called rectangular hole) for when first slider 600 moved, a plurality of thimbles 920 also can follow first slider 600 and move, avoids thimble 920 and thimble board 910 to take place to interfere, and can make the motion of thimble 920 more stable. The thimble plate 910 is connected to an injection molding machine and controls a plurality of thimbles 920 to move through the injection molding machine, so as to eject a product.

Referring to fig. 13 and 14, it can be understood that the lower end of the needle board 910 is provided with a stroke groove 912, that is, the stroke groove 912 is located at an end of the needle board 910 away from the fixed die plate 200, the stroke groove 912 is formed by inward recessing of an end surface of the needle board 910, the inner diameter of the stroke groove 912 is larger than that of the stroke hole 911, and the stroke groove 912 is communicated with the stroke hole 911. The lower end of thimble 920 is provided with a thimble head 921, the outer diameter of thimble head 921 is greater than the outer diameter of thimble 920, and thimble head 921 is in sliding positioning fit with stroke groove 912, thereby limiting thimble 920 and avoiding ejector pin 920 from exceeding the stroke and separating from needle board 910 when ejecting the product.

Since the injection molding machine adopts all technical schemes of the injection mold of the above embodiment, at least all beneficial effects brought by the technical schemes of the above embodiment are achieved, and no further description is given here.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (11)

1. An injection mold, comprising:

fixing a template;

the fixed die core is arranged on the fixed die plate;

a movable platen capable of moving relative to the fixed platen;

the first sliding block is connected with the movable template in a sliding mode and provided with a forming seat;

the movable mould core is arranged on the movable mould plate, a glue inlet groove is formed in the end face, facing the fixed mould plate, of the movable mould core, and a first side wall is arranged on one side, facing the forming seat, of the movable mould core;

the second sliding block is connected with the first sliding block in a sliding mode, and a second side wall is arranged on one side, facing the forming seat, of the second sliding block;

when the injection mold is closed, two sides of the forming seat are respectively abutted to the first side wall and the second side wall, the forming seat, the first side wall, the second side wall and the fixed mold core are enclosed to form a forming cavity, and the forming cavity is communicated with the glue inlet groove.

2. An injection mold according to claim 1, characterized in that: the first side wall is formed with an arc-shaped surface, and the arc-shaped surface is connected with one end of the glue inlet groove facing the molding cavity.

3. An injection mold according to claim 1, characterized in that: the glue inlet groove comprises a cavity inlet section and a runner section which are connected, and the width of the cavity inlet section is gradually reduced from the runner section to the molding cavity.

4. An injection mold according to claim 3, characterized in that: the depth of the cavity entering section is smaller than that of the runner section.

5. An injection mold according to claim 3, characterized in that: the depth of the cavity inlet section is gradually reduced from the runner section to the forming cavity.

6. An injection mold according to claim 1, characterized in that: the first sliding blocks are arranged in two numbers, the two first sliding blocks are arranged on two sides of the movable die core respectively, the second sliding blocks are arranged in two numbers, and the two second sliding blocks are connected with the corresponding first sliding blocks in a sliding mode respectively.

7. An injection mold according to claim 1, characterized in that: the first sliding block is provided with a first inclined guide hole which is a waist-shaped hole, and the second sliding block is provided with a second inclined guide hole; the injection mold further comprises an oblique guide pillar, the oblique guide pillar is fixedly connected with the fixed mold plate, and the oblique guide pillar penetrates through the first oblique guide hole and the second oblique guide hole so as to drive the second sliding block to slide when the injection mold is opened.

8. An injection mould according to claim 1 or 7, characterized in that: the injection mold further comprises a limiting block, the limiting block is arranged on the first sliding block and located on a sliding path of the second sliding block, and the second sliding block drives the first sliding block to slide synchronously through the limiting block.

9. An injection mold according to claim 1, characterized in that: the injection mold further comprises an ejector pin assembly, the ejector pin assembly comprises a surface needle plate and a plurality of ejector pins, the surface needle plate is provided with a plurality of stroke holes, each stroke hole is a waist-shaped hole, and the ejector pins are correspondingly arranged in the stroke holes in a penetrating mode respectively.

10. An injection mold according to claim 9, wherein: the thimble structure is characterized in that a stroke groove is formed in one end, far away from the fixed die plate, of the thimble plate and communicated with the stroke hole, and a thimble head matched with the stroke groove in a sliding positioning mode is arranged on the thimble.

11. An injection molding machine, which is characterized in that: comprising an injection mould according to any of claims 1 to 10.

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