CN111283973B

CN111283973B - Demoulding mechanism and injection mold

Info

Publication number: CN111283973B
Application number: CN202010097490.7A
Authority: CN
Inventors: 黄福胜; 杨尧; 尹覃伟; 陈垚; 段志平
Original assignee: Shenzhen Silver Basis Technology Co Ltd
Current assignee: Shenzhen Silver Basis Technology Co Ltd
Priority date: 2020-02-17
Filing date: 2020-02-17
Publication date: 2021-12-17
Anticipated expiration: 2040-02-17
Also published as: CN111283973A

Abstract

The embodiment of the invention discloses a demoulding mechanism and an injection mould, wherein the demoulding mechanism comprises a straight ejector block, a first inclined ejector, a second inclined ejector, a mould core and an ejector plate, the first inclined ejector is connected with the ejector plate in a sliding mode, the ejector plate can move along a first direction to drive the straight ejector block and the second inclined ejector to move along the first direction, so that the straight ejector block and the second inclined ejector are abutted to a product, the ejector plate drives the first inclined ejector to move along a second direction, the second direction deviates from the product direction and forms an included angle with the first direction, and when the first inclined ejector moves along the direction deviating from the product, the second inclined ejector can be continuously abutted to the product, so that the separation of the inner side surface of the product from the first inclined ejector is facilitated, the demoulding of the first inclined ejector is completed, the forming surface of the inner side of the product is ensured, and the demoulding quality of the product in the demoulding process is ensured.

Description

Demoulding mechanism and injection mold

Technical Field

The invention relates to the technical field of injection molds, in particular to a demolding mechanism and an injection mold.

Background

The injection mold without the mold foot is mainly used for products such as injection bumpers and the like. The working principle is as follows: the injection mould without the mold legs is arranged on the injection machine to complete the processes of mold closing, injection molding and mold opening of the injection mould, and the ejector plate of the injection mould without the mold legs is arranged in the base, so that the mold legs are omitted, the size of the whole injection mould without the mold legs is reduced, the whole weight of the whole mould is reduced, the size specification of the injection machine is reduced, and the cost is further saved.

Traditional no moulding foot injection mold, including first mould, second mould and ejecting subassembly, first mould and second mould are the die cavity of moulding plastics that forms the product together, and the second mould is including straight kicking block and oblique kicking block, and during the die sinking, the kicking block removes along deviating from the product direction to one side under the general condition, can lead to the easy laminating of thinner great product medial surface to damage on oblique kicking block, and influences the injection moulding quality of product.

Disclosure of Invention

The invention aims to provide a demoulding mechanism and an injection mould, and aims to solve the problem that when the existing injection mould is opened, an inclined ejector block moves along the direction deviating from a product, so that the inner side surface of a thin and large product is easy to be attached to the inclined ejector block and damaged, and the injection quality of the product is influenced.

A demoulding mechanism comprises a straight ejector block, a first inclined ejector, a second inclined ejector, a mould core and an ejector plate, wherein the straight ejector block is used for forming part of the inner top surface of a product and is in sliding connection with the mould core, so that the straight ejector block can move along a first direction relative to the mould core, the first inclined ejector is used for forming part of the inner side surface of the product and is in sliding connection with the mould core, so that the first inclined ejector can move along a second direction relative to the mould core, and the second inclined ejector is used for forming part of the inner side surface of the product and is in sliding connection with the mould core, so that the second inclined ejector can move along the first direction relative to the mould core;

the first pitched roof is further connected with the ejection plate in a sliding mode, the ejection plate can be moved in the first direction to drive the straight ejection block and the second pitched roof to move in the first direction, so that the straight ejection block and the second pitched roof are connected with the product butt and enable the ejection plate to drive the first pitched roof to move in the second direction, the second direction deviates from the product direction, and the included angle is formed in the first direction.

In one embodiment, the mold further comprises a connecting piece, a communication hole is formed in the first inclined top, the connecting piece penetrates through the communication hole, one end of the connecting piece is connected with the second inclined top, and the other end of the connecting piece is connected with the mold core in a sliding mode.

In one embodiment, a guide rail is arranged on the mold core, the connecting piece is connected with the guide rail in a sliding mode, the guide rail comprises an abutting section and a demolding section, the abutting section is used for guiding the second lifter to move along the first direction, and the demolding section is used for guiding the second lifter to move along the direction departing from the product.

In one embodiment, the first lifter comprises a lifter sliding groove, the second lifter is slidably disposed in the lifter sliding groove, the first lifter comprises a first molding surface, a notch of the lifter sliding groove forms a lifter notch on the first molding surface, and the second lifter comprises a second molding surface matched with the lifter notch.

In one embodiment, the ejection device further comprises an ejection block, the ejection block is used for driving the product to move along the first direction and to be separated from the straight ejection block in a demoulding manner, a straight ejection chute is formed in the straight ejection block, the ejection block is slidably arranged in the straight ejection chute, the straight ejection block comprises a third molding surface, a straight ejection notch is formed in the third molding surface by a notch of the straight ejection chute, the ejection block comprises a fourth molding surface, and the fourth molding surface is matched with the straight ejection notch.

In one embodiment, the ejection device further comprises an ejection rod and a lifting rod, the ejection plate comprises a first top plate and a second top plate, the ejection rod and the lifting rod extend along the first direction, two ends of the lifting rod are respectively connected with the straight ejection block and the first top plate, two ends of the ejection rod are respectively connected with the ejection block and the second top plate, and the second top plate is located on one side close to the straight ejection block relative to the first top plate.

In one embodiment, the device further comprises a third lifter for forming part of the inner surface of the product, a guide rod for guiding the third lifter to move in a direction away from the product, and a driving rod, wherein one end of the driving rod is connected with the ejector plate, and the other end of the driving rod is connected with the third lifter in a sliding manner.

In one embodiment, the number of the first lifter, the second lifter and the third lifter is two, and the first lifter, the second lifter and the third lifter are all arranged corresponding to two ends of the mold core one to one.

In one embodiment, the ejection device further comprises a base and a bottom plate, wherein the base is connected with the bottom plate, and the ejection plate is slidably arranged in the base.

An injection mold comprising: the first die and the second die are abutted to form a cavity, the cavity is used for injection molding of a product, and the second die comprises the demolding mechanism.

The embodiment of the invention has the following beneficial effects:

by adopting the demoulding mechanism, when the first pitched roof moves along the direction departing from the product, the second pitched roof can be continuously abutted against the product, so that the separation of the inner side surface of the product and the first pitched roof is facilitated, the demoulding of the first pitched roof is completed, the inner side forming surface of the product is ensured to be intact, and the demoulding quality of the product in the demoulding process is further ensured.

Use above-mentioned demoulding mechanism at injection mold, when can guaranteeing the die sinking, first oblique top when the drawing of patterns removes, the second pushes up and the product butt to one side, leads to first oblique top can not laminate with the medial surface of product, and the medial surface drawing of patterns of product is intact to promote the injection moulding quality of product.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Wherein:

FIG. 1 is a schematic view of an injection mold according to an embodiment.

FIG. 2 is a schematic view of a first mold of the injection mold of FIG. 1.

FIG. 3 is a schematic view of a second mold of the injection mold of FIG. 1.

Fig. 4 is an exploded view of a second mold of the injection mold of fig. 1.

FIG. 5 is a schematic view of a portion of a second mold of the injection mold shown in FIG. 1.

Fig. 6 is a third schematic pitched roof of the second die shown in fig. 3.

Fig. 7 is a schematic view of a guide rail in the second mold shown in fig. 3.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, an injection mold according to an embodiment is mainly used for injection molding of products such as bumpers, and includes: the first mold 100 and the second mold 200, the first mold 100 and the second mold 200 abut to form a cavity 300, the cavity 300 is used for injection molding a product, the second mold 200 comprises a demolding mechanism, the demolding mechanism comprises a straight ejector block 210, a first inclined ejector 220, a second inclined ejector 230 and an ejector plate 240, the first inclined ejector 220 is connected with the ejector plate 240 in a sliding manner, the ejector plate 240 can move along a first direction to drive the straight ejector block 210 and the second inclined ejector 230 to move along the first direction, so that the straight ejector block 210 and the second inclined ejector 230 abut to the product, and the ejector plate 240 drives the first inclined ejector 220 to move along a second direction, the second direction deviates from the product direction and forms an included angle with the first direction, when the first inclined ejector 220 moves along the direction deviating from the product, the second inclined ejector 230 can continuously abut to the product, so that the inner side face of the product can be separated from the first inclined ejector 220, demolding of the first inclined ejector 220 is finished, and the inner side face of the product is ensured to be intact, thereby ensuring the demoulding quality of the product in the demoulding process.

Consequently, when injection moulding bumper product, the medial surface of bumper product is great, can avoid the medial surface of this bumper product to damage among the drawing of patterns process, especially to the bumper product that has big oblique top, the medial surface shaping and the drawing of patterns of its bumper product are intact technical difficulty, only guarantee the shaping quality of its product medial surface, just can promote the overall quality of bumper product, and then strengthen the yields of this bumper product, promote its market competition.

In this embodiment, the demolding mechanism further includes a mold core 250, a portion of the inner top surface of the straight top block 210 for molding the product, and is slidably connected to the mold core 250 such that the straight ejecting block 210 can move in a first direction with respect to the mold core 250, the first lifter 220 is used to form a portion of the inner side of the product, and is slidably coupled to the mold core 250 such that the first lifter 220 can move in a second direction relative to the mold core 250, the second lifter 230 is used to form a portion of the inner side of the product, and is connected with the mold core 250 in a sliding way, so that the second inclined top 230 can move along a first direction relative to the mold core 250, the mold core 250 is adopted to realize the installation of the straight top block 210, the first inclined top 220 and the second inclined top 230, and guides the straight-topped block 210 to move in a first direction, the first lifter 220 to demold in a second direction, the second lifter 230 to move in the first direction, so as to realize the abutting of the second lifter 230 with the inner side of the product at the initial stage of demoulding, and to facilitate the separation of the first lifter 220 with the inner side of the product.

Referring to fig. 4, the mold core 250 is provided with an inclined top rail 252, and the inclined top rail 252 is used for guiding the first inclined top 220 to move along the second direction, so as to guide the movement of the first inclined top 220. Of course, in other embodiments, the slanted ejecting track 252 may also be another guiding component, for example, a guiding rod and a guiding hole are matched, and the purpose of the guiding component is to enable the first slanted ejecting 220 to move in the second direction after being stressed, so as to achieve the separation of the first slanted ejecting 220 from the inner side of the product.

In this embodiment, the demolding mechanism further includes a base 280 and a bottom plate 290, the base 280 is connected with the bottom plate 290, the ejector plate 240 is slidably disposed in the base 280, the ejector plate 240 can be mounted, on the premise that the ejection stroke of the ejector plate 240 is ensured, mold feet between the base 280 and the bottom plate 290 are omitted, the size of the demolding mechanism can be reduced, the size of the whole injection mold is reduced, the injection molding can be performed by using a smaller injection molding machine when products with the same size are injected, the configuration cost of the injection molding machine is reduced, the product structure is optimized, and the market competitiveness is enhanced.

In this embodiment, the demolding mechanism further includes a connecting member 232, a communicating hole 221 is formed in the first lifter 220, the connecting member 232 penetrates through the communicating hole 221, one end of the connecting member 232 is connected to the second lifter 230, and the other end of the connecting member 232 is slidably connected to the mold core 250, so that the second lifter 230 is driven to move relative to the first lifter 220 by the movement of the first lifter 220, the first lifter 220 and the second lifter 230 are matched to form part of the inner side surface of the product, and the stepped movement of the first lifter 220 and the second lifter 230 can be realized, so that when the first lifter 220 is demolded and moved along the first direction, the second lifter 230 can be abutted against the inner side surface of the product, so as to facilitate the separation of the first lifter 220 and the inner side surface of the product. Of course, in other embodiments, the second lifter 230 may also adopt a separate driving mechanism, and the driving mechanism is installed in the second lifter 230 to realize independent control of the second lifter 230, and finally, when the mold is opened and the first lifter 220 is moved along the first direction for mold release, the second lifter 230 may abut against the product, which is favorable for mold release of the first lifter 220.

Referring to fig. 7, the mold core 250 is provided with a guide track 251, the connecting member 232 is slidably connected to the guide track 251, the guide track 251 includes an abutting section 2511 and a demolding section 2512, the abutting section 2511 is used for guiding the second lifter 230 to move along a first direction, the demolding section 2512 is used for guiding the second lifter 230 to move along a direction departing from a product, the guide track 251 is used for guiding the moving direction of the second lifter 230, the stroke length of the abutment section 2511 may be used to control the value of the abutment stroke of the second pitched roof 230 with the product, when the first lifter 220 is moved in the second direction by the cooperation of the second lifter 230, the second lifter is moved in the direction away from the product by the guide of the stripper section 2512, the second inclined top 230 and the inner side surface of the product are demolded twice, so that a good demolding effect can be realized, and the injection molding quality of the product is guaranteed.

Preferably, the demolding section 2512 comprises a separating section 2512a and a walking section 2512b, the separating section 2512a is used for guiding the second lifter 230 to move away from the product demolding and is connected with the abutting section 2511, the walking section 2512b is used for guiding the second lifter 230 to move along the first direction and is connected with the separating section 2512a, after the second lifter 230 moves a certain distance along the direction away from the inner side face of the product under the guidance of the separating section 2512a, the walking section 2512b moves along the first direction to keep the distance between the second lifter 230 and the inner side face of the product, and a gap is formed between the second lifter 230 and the inner side face of the product to separate the second lifter 230 from the product and avoid that the gap between the second lifter 230 and the inner side face of the product is too large, so that part of the inner side face of the product is attached to the second lifter 230 and the inner side face of the product is damaged. Preferably, the separation section 2512a can be a straight or curved section, the purpose of which is to achieve movement of the second slanted tip 230 away from the inner side of the product.

In this embodiment, the slanted ejecting chute 222 is disposed on the first slanted ejecting 220, the second slanted ejecting 230 is slidably disposed in the slanted ejecting chute 222, the first slanted ejecting 220 includes a first molding surface 223, a slanted ejecting notch is formed on the first molding surface 223 by a notch of the slanted ejecting chute 222, the second slanted ejecting 230 includes a second molding surface 231, the second molding surface 231 is matched with the slanted ejecting notch, so as to embed the second slanted ejecting 230 in the first slanted ejecting 220, and when the first slanted ejecting 220 moves along the second direction in a mold-releasing manner, the abutting position of the second slanted ejecting 230 and the inner side of the product is realized, so as to improve the supporting effect of the second slanted ejecting 230 on the inner side of the product, preferably, the area of the first molding surface 223 is greater than the second molding surface 231, so as to facilitate the mold-releasing separation of the inner side of the product for the first time, and provide a better separation effect. Of course, in other embodiments, the second lifter 230 may also be disposed outside the first lifter 220 and slidably connected to the first lifter 220, so that when the first lifter 220 is moved along the first direction, the second lifter 230 continuously abuts against the inner side of the product, thereby facilitating the separation of the first lifter 220 from the inner side of the product.

In this embodiment, the demolding mechanism further includes an ejection block 260, the ejection block 260 is used for driving a product to move along the first direction and to be separated from the straight ejection block 210 in a demolding manner, a straight ejection chute 211 is formed in the straight ejection block 210, the ejection block 260 is slidably disposed in the straight ejection chute 211, the straight ejection block 210 includes a third molding surface 212, a straight ejection notch is formed in the third molding surface 212 by a notch of the straight ejection chute 211, the ejection block 260 includes a fourth molding surface 261, the fourth molding surface 261 is matched with the straight ejection notch, after the first lifter 220 and the second lifter 230 are separated from the inner side surface of the product, the ejection block 260 ejects and drives the product to move along the first direction, so that the product is separated from the straight ejection block 210 in the demolding manner. Preferably, the plurality of ejection blocks 260 can be regularly arranged on the straight ejection block 210 according to the size and shape of the product and the specified rules, so that when the ejection blocks 260 are ejected, the product can be stably lifted, and the inner top surface of the product cannot be damaged. Of course, in other embodiments, the ejection block 260 may also be disposed outside the straight top block 210 and slidably connected to the straight top block 210, and the purpose of the ejection block is to realize secondary ejection of the product, so as to achieve the purpose of separating the inner top surface of the product from the straight top block 210.

Referring to fig. 5, the demolding mechanism further includes an ejector rod 243 and a lifting rod 244, the ejector plate 240 includes a first top plate 241 and a second top plate 242, the ejector rod 243 and the lifting rod 244 extend in a first direction, both ends of the lifting rod 244 are respectively connected to the straight top block 210 and the first top plate 241, it is realized that, when the first top plate 241 moves in the first direction, the straight top block 210 can be driven to move in the first direction, and drives the product to move along the first direction to realize partial demoulding of the product, two ends of the ejector rod 243 are respectively connected with the ejector block 260 and the second top plate 242, the second top plate 242 is positioned at one side close to the straight ejector block 210 relative to the first top plate 241, so that when the second top plate 242 moves along the first direction relative to the first top plate 241, the ejector block 260 may be driven to move in the first direction and separate from the straight top block 210, thereby achieving the de-molding separation of the straight top block 210 from the inner top surface of the product portion.

Preferably, the sliding block 224 is arranged at the bottom of the first lifter 220, the sliding groove 2411 is formed in the first top plate 241, the sliding block 224 is connected with the sliding groove 2411 in a sliding manner, so that the first lifter 220 is directly connected with the first top plate 241 for driving the first lifter 220 to move, the arrangement of a traditional connecting rod is omitted, the moving strokes of the first top plate 241 and the second top plate 242 along the first direction are reasonably designed, the moving strokes of the first top plate 241 and the second top plate 242 along the first direction are reduced on the premise of meeting the demolding separation, and the length dimension of the integral demolding mechanism along the first direction, namely the length dimension along the integral demolding direction of the first mold 100 and the second mold 200 is reduced, so that the integral dimension of the injection mold is reduced, the injection molding matching of a small-tonnage injection molding machine is realized, and the application cost of the injection molding machine is reduced. Specifically, the sliding groove 2411 is a T-shaped groove, and the sliding block 224 is a T-shaped block, so as to realize reliable connection and guiding between the sliding groove 2411 and the sliding block 224. Preferably, the sliding groove 2411 may also be a dovetail groove or the like, and the sliding block 224 may also be a dovetail block or the like, for the purpose of achieving the sliding connection between the first slanted ejecting portion 220 and the first top plate 241.

In the present embodiment, the bottom plate 290 is provided with a first driving member 245, the first driving member 245 is used for driving the first top plate 241 to move along the first direction and is connected with the first top plate 241, the first top plate 241 is provided with a second driving member 246, and the second driving member 246 is used for driving the second top plate 242 to move along the first direction relative to the first top plate 241 and is connected with the second top plate 242, so as to drive the first top plate 241 and the second top plate 242. Preferably, the first and

second drivers

245, 246 are air cylinders. Of course, in other embodiments, the first driving member 245 and the second driving member 246 may be oil cylinders or others, and the purpose thereof is to drive the first top plate 241 and the second top plate 242 to move along the first direction.

Referring to fig. 6, the demolding mechanism further includes a third lifter 270, a guide rod 271 and a drive rod 272, the third lifter 270 is used for molding a part of the inner surface of the product, the guide rod 272 is used for guiding the third lifter 270 to move in a direction away from the product, one end of the drive rod 271 is connected to the ejector plate 240, and the other end is slidably connected to the third lifter 270, preferably, the drive rod 272 is connected to the first top plate 241, the third lifter 270 is arranged to realize molding of the complex inner surface of the bumper product, and an independent guide rod 271 is used to limit the moving direction and stroke of the third lifter 270, so that the moving component amount of the third lifter 270 in the first direction is the same as that of the first lifter 220 and the straight lifter block 210, so as to ensure the compatibility of the demolding process of the third lifter 270, the third lifter 270 is guided by the guide rod 271 and does not interfere with the movement of the first lifter 220 and the straight lifter block 210, and does not interfere with the components of the first die 100 to ensure the safety of the product demolding process and the quality of the demolded product. Preferably, a T-shaped groove is formed at the bottom of the third slanted ejecting portion 270, and a T-shaped slider matched with the T-shaped groove is arranged on the driving rod 272.

In this embodiment, there are two first lifter tops 220, two second lifter tops 230, and two third lifter tops 270, and the first lifter tops 220, the second lifter tops 230, and the third lifter tops 270 are all disposed in one-to-one correspondence with two ends of the mold core 250, so as to implement the co-molding with two inner side surfaces of the bumper product, and implement the high-quality injection molding of the bumper product.

In this embodiment, the injection mold further includes a lifter 400, the lifter 400 is configured to lift the first mold 100 and the first top plate 241 synchronously, so that the first mold 100 and the straight top block 210 move along the first direction, and two ends of the lifter 400 are connected to the first mold 100 and the first top plate 241 respectively, so that in the mold opening process, the straight top block 210 and the first mold 100 move synchronously, so as to ensure compatibility in the mold opening process, ensure safety in mold opening, and achieve high-quality injection molding of the product.

In this embodiment, an elastic member 281 is arranged in the base 280, the elastic member 281 is used for pushing the first top plate 241 to move along the first direction and is connected with the first top plate 241, the elastic member 281 can play a role in safety protection for the whole injection mold when the injection mold is demolded and stopped, after the injection mold is prevented from being stopped, the straight top block, the first lifter 220, the second lifter 230 and the third lifter 270 move along the component of the mold closing direction after being stressed, so that collision damage is caused, and the elastic member 281 is connected with the first top plate 241, so that the collision can be prevented and the whole injection mold can be protected.

In this embodiment, the second die 200 further includes a guide pillar 253, the guide pillar 253 penetrates through the first top plate 241 and the second top plate 242 and extends along the first direction, and the guide pillar 253 is used for supporting the die core 250 and is connected to the die core 250, so as to support the die core 250 and guide the first top plate 241 and the second top plate 242 to move along the first direction.

In this embodiment, the first mold 100 is provided with the limiting groove 110, the base 280 is provided with the limiting post 282, the limiting post 282 is used for guiding the first mold 100 to move along the first direction relative to the second mold 200 and is slidably connected with the limiting groove 110, and the arrangement of the limiting post 282 and the limiting groove 110 is adopted, so that the guiding of the first mold 100 and the second mold 200 in the moving process is realized, the quality of product molding can be ensured, and the safety protection of guiding can be achieved.

In the present embodiment, the first mold 100 is provided with a pouring port 120, the pouring port 120 is communicated with the cavity 300, and the cavity 300 is used for injection molding of a bumper product, thereby realizing injection molding of the bumper product.

Preferably, the injection mold is an internal parting mold of a bumper without mold feet, the purpose of reducing the height and the thickness of the bumper mold is realized, the production on an injection molding machine with smaller tonnage is facilitated, and the production cost of a bumper product is reduced. Particularly, for rear bumper products, the product is higher, so that the thickness of the mold is thicker, the requirement on the tonnage of the produced injection molding machine is higher, and the production cost of the injection molding machine is higher.

By adopting the injection mold, mold feet or a supporting plate is omitted, the height of a traditional base and mold feet of 770mm can be omitted to the height of a single base of 580mm, 190mm is reduced, the production requirement of a smaller injection molding machine can be met, the production cost cannot be improved due to the injection molding machine, if an automobile manufacturer makes a small-batch automobile model test, the acceptance degree of a consumer market to a new automobile model is detected, and the problem that the traditional bumper mold structure cannot meet the low-risk cost quick requirement is solved.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.

Claims

1. A demoulding mechanism is characterized by comprising a straight ejector block, a first inclined ejector, a second inclined ejector, a mold core and an ejector plate, wherein the straight ejector block is used for forming part of the inner top surface of a product and is in sliding connection with the mold core, so that the straight ejector block can move along a first direction relative to the mold core, the first inclined ejector is used for forming part of the inner side surface of the product and is in sliding connection with the mold core, so that the first inclined ejector can move along a second direction relative to the mold core, and the second inclined ejector is used for forming part of the inner side surface of the product and is in sliding connection with the mold core, so that the second inclined ejector can move along the first direction relative to the mold core;

the first inclined ejector is further connected with the ejector plate in a sliding mode, the ejector plate can move in the first direction to drive the straight ejector block and the second inclined ejector to move in the first direction, so that the straight ejector block and the second inclined ejector are abutted to the product, the ejector plate drives the first inclined ejector to move in the second direction, and the second direction deviates from the product direction and forms an included angle with the first direction;

the demoulding mechanism further comprises a connecting piece, a communicating hole is formed in the first inclined top, the connecting piece penetrates through the communicating hole, one end of the connecting piece is connected with the second inclined top, and the other end of the connecting piece is connected with the mold core in a sliding mode;

the mould core is provided with a guide rail, the connecting piece is connected with the guide rail in a sliding mode, the guide rail comprises an abutting section and a demoulding section, the abutting section is used for guiding the second pitched roof to move along the first direction, and the demoulding section is used for guiding the second pitched roof to move along the direction of the product.

2. The ejector mechanism of claim 1, wherein the first lifter includes a lifter slot, the second lifter is slidably disposed in the lifter slot, the first lifter includes a first molding surface, the slot of the lifter slot forms a lifter notch on the first molding surface, and the second lifter includes a second molding surface, the second molding surface matches the lifter notch.

3. The demolding mechanism of claim 1, further comprising an ejection block, wherein the ejection block is configured to drive the product to move in the first direction and to be separated from the straight ejection block, the straight ejection block is provided with a straight ejection chute, the ejection block is slidably disposed in the straight ejection chute, the straight ejection block includes a third molding surface, a notch of the straight ejection chute forms a straight ejection notch on the third molding surface, and the ejection block includes a fourth molding surface, and the fourth molding surface matches the straight ejection notch.

4. The ejector mechanism of claim 3, further comprising an ejector rod and a lift rod, wherein the ejector plate comprises a first top plate and a second top plate, the ejector rod and the lift rod extend in the first direction, both ends of the lift rod are connected to the straight ejector block and the first top plate, respectively, both ends of the ejector rod are connected to the ejector block and the second top plate, respectively, and the second top plate is located on a side close to the straight ejector block with respect to the first top plate.

5. The ejector mechanism of claim 1, further comprising a third lifter for molding a portion of the inner surface of the product, a guide rod for guiding the third lifter to move in a direction away from the product, and an actuating rod connected at one end to the ejector plate and slidably connected at the other end to the third lifter.

6. The demolding mechanism as claimed in claim 5, wherein there are two of the first lifter, the second lifter, and the third lifter, and the first lifter, the second lifter, and the third lifter are provided in one-to-one correspondence with both ends of the mold core.

7. The ejection mechanism of claim 1, further comprising a base and a base plate, the base being connected to the base plate, the ejector plate being slidably disposed within the base.

8. An injection mold, comprising: a first mold and a second mold, the first mold and the second mold abutting to form a cavity for injection molding a product, the second mold comprising the mold release mechanism according to any one of claims 1 to 7.