CN218053803U

CN218053803U - Demolding mechanism for hole making and production equipment

Info

Publication number: CN218053803U
Application number: CN202123107760.7U
Authority: CN
Inventors: 涂存杰
Original assignee: Beijing CHJ Automobile Technology Co Ltd
Current assignee: Beijing CHJ Automobile Technology Co Ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-12-16
Anticipated expiration: 2031-12-07

Abstract

The embodiment of the utility model provides a demolding mechanism and production facility in system hole, wherein the demolding mechanism in system hole includes first mould, second mould and kicking block, and the second mould is used for being connected with first mould to form the accommodation space. The ejector block is movably arranged in the accommodating space, a first product channel is arranged between the ejector block and the second die, and the ejector block is provided with a spring needle mechanism. When the ejector block is located at the first position, one end of the elastic needle mechanism is abutted to the first die, and the other end of the elastic needle mechanism extends into the first product channel and is abutted to the second die. When the ejector block is located at the second position, the needle ejecting mechanism moves towards the direction far away from the first product channel, so that the needle ejecting mechanism exits from the first product channel. The embodiment of the utility model provides an among the technical scheme, through set up bullet needle mechanism on the kicking block, conveniently form the pore structure on the part of moulding plastics, simple structure simultaneously.

Description

Demolding mechanism for hole making and production equipment

Technical Field

The utility model relates to a mould technical field that moulds plastics especially relates to a demolding mechanism and production facility in system hole.

Background

With the continuous development of production technology, more and more parts are manufactured by injection molding of a mold. Generally, an injection mold is composed of an upper mold and a lower mold, the upper mold and the lower mold are closed to form a pouring system and a cavity during injection molding, and after the upper mold and the lower mold are separated during mold opening, a plastic product in the cavity is ejected out through an ejector pin, so that injection molding can be completed. The parts are manufactured through injection molding, so that the parts can be produced rapidly in batches, and the accuracy of the size of each part can be effectively guaranteed.

At present, in some injection-molded parts with side holes, during the injection-molding manufacturing process, the side holes, side recesses and side protrusions on the parts are all solved by applying a slide block (a mechanism for solving the problem that the side protrusions and side recesses cannot be normally ejected out of the product in the mold) mechanism in the mold. However, the mold involves many combined parts, and each part of the mold is complex to move in the injection molding manufacturing process. Meanwhile, the development cost of the die is high, and the maintenance cost is high during subsequent batch production.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the embodiments of the present invention are provided to provide a hole-making demolding mechanism and a hole-making production apparatus, which solve or improve the above problems.

The embodiment of the utility model provides a demolding mechanism in system hole, this demolding mechanism in system hole includes:

the second mould is used for being connected with the first mould to form an accommodating space;

the ejector block is movably arranged in the accommodating space, a first product channel is formed between the ejector block and the second die, and the ejector block is provided with a needle ejecting mechanism;

when the ejector block is located at the first position, one end of the elastic needle mechanism abuts against the first die, and the other end of the elastic needle mechanism extends into the first product channel and abuts against the second die;

when the ejector block is located at the second position, the needle ejecting mechanism moves towards the direction far away from the product channel, so that the needle ejecting mechanism exits from the first product channel.

Preferably, the first mold is provided with a first structural surface and a second structural surface respectively, and the second mold is provided with a third structural surface and a fourth structural surface respectively;

the first structural surface is used for being in contact connection with the third structural surface;

the second structure face with fourth structure face interval opposition sets up to form second product channel, second product channel with first product channel intercommunication.

Preferably, the first mold is provided with a containing groove with an opening facing the second mold, and the containing groove is provided with a plurality of groove wall surfaces and groove bottom surfaces;

the groove wall surfaces are arranged at obtuse angles with the groove bottom surface respectively, so that the radial size of the accommodating groove is gradually increased towards the opening along the groove bottom surface.

Preferably, the top block has a first surface and a second surface which are oppositely arranged;

the second surface cooperates with the second mold to form the first product channel;

the ejection block is provided with a bullet needle accommodating cavity, the bullet needle accommodating cavity penetrates through the first surface and the second surface, and the bullet needle mechanism is movably arranged in the bullet needle accommodating cavity.

Preferably, in the direction from the first surface to the second surface, the bullet needle containing cavity at least has a first cavity and a second cavity, and the diameter of the first cavity is larger than that of the second cavity.

Preferably, the needle ejecting mechanism comprises an ejector needle and an elastic piece;

the elastic piece and the elastic needle are both arranged in the elastic needle accommodating cavity;

one end of the elastic piece is abutted to the ejector block, and the other end of the elastic piece is abutted to the elastic needle.

Preferably, the elastic needle is provided with at least a first section of elastic needle body and a second section of elastic needle body;

the diameter of the first section of the elastic needle body is larger than that of the second section of the elastic needle body, the first section of the elastic needle body is arranged in the first cavity, and the second section of the elastic needle body is arranged in the second cavity;

the elastic piece is sleeved between the first section of the elastic pin body and the second section of the elastic pin body.

Preferably, the pogo pin is disposed at a first angle to the second surface.

Preferably, the first angle is 90 degrees.

In another embodiment of the present invention, there is provided a production apparatus, which includes an apparatus main body and at least one above-mentioned hole-making demolding mechanism connected to the apparatus main body.

The embodiment of the utility model provides an among the technical scheme, through set up the kicking block in first mould and second mould, be provided with bullet needle mechanism on the kicking block simultaneously, it can solve production smoothly and have side opening or side convex, the concave part product of side, conveniently forms pore structure on the part of moulding plastics, when further simplifying the mould structure, can also improve production efficiency.

Drawings

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

Fig. 1 is a schematic view of a use state of a hole-making demolding mechanism according to an embodiment of the present invention;

fig. 2 is a schematic view of another usage state of the hole-making demolding mechanism according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of the top block provided by the embodiment of the present invention.

Detailed Description

In order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "first" and "second" are only used for convenience of describing different components or names, and are not to be construed as indicating or implying a sequential relationship, relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Fig. 1 is a schematic view of a use state of a hole-making demolding mechanism provided in the embodiment of the present invention, and fig. 2 is a schematic view of another use state of a hole-making demolding mechanism provided in the embodiment of the present invention, as shown in fig. 1 and fig. 2. An embodiment of the utility model provides a demolding mechanism in system hole, this demolding mechanism in system hole includes: the mold comprises a first mold 1, a second mold 2 and a top block 4, wherein the second mold 2 is used for being connected with the first mold 1 to form an accommodating space 3. The accommodating space 3 includes a space for arranging the top block 4 and a space for forming parts (i.e. a product channel 6, wherein the first product channel 61 is a part of the product channel 6). The top block 4 can be movably arranged in the accommodating space 3, a first product channel 61 is arranged between the top block 4 and the second mold 2, and when the mold is manufactured in an injection molding mode, an injection molding material is filled into the product channel 6, so that the production of parts is completed. The top block 4 is provided with a needle ejecting mechanism 5, and the needle ejecting mechanism 5 is used for forming a side hole or a side concave and side convex on the part in the first product channel 61. When the ejector block 4 is located at the first position, one end of the needle ejecting mechanism 5 abuts against the first mold 1, and the other end of the needle ejecting mechanism extends into the first product channel 61 and abuts against the second mold 2. When the top block 4 is in the second position, the needle ejecting mechanism 5 is moved away from the first product channel 61 to withdraw the needle ejecting mechanism 5 from the first product channel 61. The embodiment of the utility model provides an among the technical scheme, through set up kicking block 4 in first mould 1 and second mould 2, be provided with bullet needle mechanism 5 on kicking block 4 simultaneously, it can solve production smoothly and have side opening or side convex, the concave part product of side, conveniently forms the pore structure on the part of moulding plastics, when further simplifying the mould structure, can also improve production efficiency.

The technical solution provided by the embodiment of the present invention is further described in detail below.

Referring to fig. 1 and 2, in an embodiment of the present invention, a first structural surface 11 and a second structural surface 12 are respectively disposed on a first mold 1, and a third structural surface 21 and a fourth structural surface 22 are respectively disposed on a second mold 2. The first structural surface 11 is adapted to be in contact connection with the third structural surface 21 when the first mold 1 and the second mold 2 are joined together in combination. When the first structural surface 11 is used to connect with the third structural surface 21, the accommodating cavity 3 and the product channel 6 are formed, and at the same time, the accommodating cavity can also play a role in sealing, and when the injection molding material is injected into the product channel 6, the injection molding material cannot flow out along a gap between the first mold 1 and the second mold 2. The product channel 6 comprises a first product channel 61 and a second product channel 62. The second structure surface 12 and the fourth structure surface 22 are oppositely arranged at intervals to form a second product channel 62, and the second product channel 61 is communicated 61 with the first product channel, so that the product channel can form a complete product structure during injection molding.

The position of the surfaces is described in detail below with a specific embodiment. A hole-making demoulding mechanism comprises a first mould 1 and a second mould 2 which are square respectively, the contact surfaces of the first mould 1 and the second mould 2 can be roughly seen as a 'return' shape, a part of an accommodating space 3 and a second structural surface 12 are located in the middle of the first mould 1, and the periphery of the first mould 1 is a closed return-shaped first structural surface 11. The middle position of the second mold 2 is the area where the partial accommodating space 3 and the third structural surface 21 are located, and the periphery of the second mold 2 is a closed fourth structural surface 22. When the first mold 1 and the second mold 2 are combined together, the first structural surface 11 and the third structural surface 21 are tightly connected, so that the molds are sealed to form the accommodating cavity 3 and the product channel 6.

In order to combine the top block 4 with the first mold 1 smoothly, referring to fig. 1, in an embodiment of the present invention, the first mold 1 is provided with a receiving groove 13 with an opening facing the second mold 2, and the receiving groove 13 has a plurality of groove walls 32 and a groove bottom 31. The plurality of groove wall surfaces 32 are respectively arranged at obtuse angles to the groove bottom surface 31 so that the radial dimension of the accommodating groove 13 gradually increases toward the opening along the groove bottom surface 31. By this arrangement, neither the top block 4 is caught by the first mold 1 when the top block 4 is combined with or separated from the first mold 1. When the plurality of groove wall surfaces 32 are provided at obtuse angles to the groove bottom surface 31, different groove wall surfaces 32 may be provided at the same angle to the groove bottom surface 31 or at different angles. For example, in fig. 1, the plurality of groove wall surfaces 32 includes a first groove wall surface 321 and a second groove wall surface 322, and the first groove wall surface 321 and the second groove wall surface 322 are provided at an angle of 100 degrees with respect to the groove bottom surface 31. Alternatively, the first groove wall 321 and the groove bottom 31 may be both set at 100 degrees, and the second groove wall 322 and the groove bottom 31 may be both set at 110 degrees.

Referring to fig. 1 and 2, the mold stripping mechanism for hole making provided by the embodiment of the present invention further includes an ejection mechanism (not shown in the figure), which is connected to the ejector block 4 and drives the ejector block 4 to switch between the first position and the second position. As shown in the state of fig. 2, the top block 4 is in the first position, and the first mold 1, the second mold 2 and the top block 4 are connected in combination, wherein the product channel 6 is provided. When the injection molding is completed, the injection molding material is filled into the product channel 6, and then the first mold 1 is separated from the second mold 2, but the injection molded part is still adhered to the first mold 1 and the top block 4. The ejector mechanism then drives the ejector block 4 to move to the second position, as shown in the state of fig. 1, in which the ejector block 4 is in the second position. When the top block 4 moves to the second position, the part is separated from the first die 1 along with the movement of the top block 4, so that the part is taken out conveniently.

Further, in one embodiment of the present invention, the ejection mechanism includes a driving mechanism (not shown in the figure) and a push rod 7. The driving mechanism is in driving connection with the ejector rod 7, and the ejector rod 7 partially extends into the accommodating space 3 to be connected with the ejector block 4. The arrangement mode can simplify the structure of the die, and meanwhile, the movement of each part cannot be interfered.

Referring to fig. 1 to 3, in an embodiment provided by the present invention, the top block 4 has a first surface 41 and a second surface 42 which are opposite to each other, the second surface 42 cooperates with the second mold 2 to form a first product channel 61, and the top block 4 is provided with a spring needle accommodating cavity 51. The latch accommodating cavity 51 is disposed through the first surface 41 and the second surface 42, and the latch mechanism 5 is movably disposed in the latch accommodating cavity 51. After the first mold 1, the second mold 2 and the top block 4 are combined, the product channel 6 is composed of the second mold 2, the first mold 1 and the top block 4. The bullet needle accommodating cavity 51 penetrates through the top block 4 and extends from the first surface 41 to the second surface 42 of the top block 4, meanwhile, one end of the bullet needle accommodating cavity 51 extends to the first surface 41, and the other end of the bullet needle accommodating cavity 51 extends to the second surface 42. The elastic needle accommodating cavity 51 extends from the first surface 41 to the second surface 42 of the top block 4, so that the problem of complex structure of the mold can be effectively solved, and the elastic needle mechanism 5 can be matched with the mold to form the product channel 6 required by a user only by moving the elastic needle mechanism 5 in the elastic needle accommodating cavity 51.

Further, in the direction from the first surface 41 to the second surface 42, the pogo pin accommodating chamber 51 has at least a first chamber 52 and a second chamber 53, and the diameter of the first chamber 52 is larger than that of the second chamber 53.

When the latch mechanism 5 is disposed in the latch accommodating chamber 51, since the diameter of the first chamber 52 is larger than that of the second chamber 53, the range of motion of the latch mechanism 5 may be limited to an accurate region. In another embodiment of the present invention, the elastic needle housing 51 has a first cavity 52, a second cavity 53 and a third cavity from the first surface 41 to the second surface 42, wherein the diameter of the first cavity 52 is larger than the diameter of the second cavity 53 and the diameter of the third cavity, the diameter of the second cavity 53 is larger than the diameter of the third cavity, and different cavities can accommodate different components of the elastic needle mechanism 5, thereby enriching the functions of the mold.

Further, referring to fig. 1 to 3, in an embodiment provided by the present invention, the latch mechanism 5 includes a latch 8 and an elastic member 9. The bullet needle 8 has at least a first section of bullet needle body 81 and a second section of bullet needle body 82, and the diameter of the first section of bullet needle body 81 is greater than the diameter of the second section of bullet needle body 82. A first segment 81 of the pin is disposed in the first chamber 52 and a second segment 82 of the pin is disposed in the second chamber 53. The elastic piece 9 is sleeved between the first section elastic needle body 81 and the second section elastic needle body 82. When the elastic member 9 is disposed in the first chamber 52, one end of the elastic member 9 abuts against the elastic needle accommodating cavity 51, and the other end abuts against the first section elastic needle body 81. When the kicking block 4 is in the first position, partly second section bullet needle body 82 of bullet needle 8 can pass second cavity 53 accurately and enter into first product passageway 61, and after the completion of moulding plastics, kicking block 4 moves to the second position, and bullet needle 8 moves along the direction of keeping away from first cavity 52 under the effect of elastic component 9 to make partly second section bullet needle body 82 of bullet needle 8 withdraw from first product passageway 61, the terminal of second section bullet needle body 82 breaks away from kicking block 4 simultaneously. The utility model discloses an in the embodiment, cooperate with bullet needle 8 through elastic component 9 to accomplish the removal of bullet needle 8, simplified the structure of mould.

Further, in another embodiment provided by the present invention, the elastic needle 8 comprises a first section elastic needle body 81, a second section elastic needle body 82 and a third section elastic needle body (not shown in the figure), the first section elastic needle body 81 is disposed in the first chamber 52, the second section elastic needle body 82 is disposed in the second chamber 53, the third section elastic needle body is disposed in the third chamber (not shown in the figure), meanwhile, the elastic member 9 is a spring, which is sleeved on the third section elastic body, this arrangement enables the structure of the mold to be more compact, and the structure of the mold is simplified.

Further, in one embodiment provided by the present invention, the latch 8 is disposed at a first angle to the second surface 42. To ensure that the pogo pins 8 can extend into or exit the first product channel 61, the first angle has a value of 90 degrees. When the elastic needle 8 is lifted into the first product channel 61, the tail end of the elastic needle 8 participates in the forming of the product side hole, and when the elastic needle 8 and the second surface 42 form an angle of 90 degrees, the elastic needle can effectively ensure that the hole axis of the product side hole formed by injection molding is perpendicular to the main structure of the product around the product side hole.

An embodiment provided by the present invention is described in further detail below through a specific use scenario. The utility model provides a demolding mechanism in system hole can be used on the mould of the production of the automotive plastic part that has the side opening, and first mould 1 is fixed on the fixed end of injection molding machine, and second mould 2 is fixed on the removal of injection molding machine and is served, and kicking block 4 passes through ejector pin 7 to be connected on actuating mechanism, and kicking block 4 sets up in the accommodation space 3 that first mould 1 and second mould 2 combination formed. When the injection molding machine is ready for injection molding, the first mold 1, the second mold 2 and the ejector block 4 are combined with each other to form the product channel 6, and the first section of the spring pin body 81 of the spring pin 8 is abutted against the first mold 1, so that the tail end of the second section of the spring pin body 82 of the spring pin 8 extends into the first product channel 61, and the first product channel 61 is integrally molded. After injection molding is finished, the second mold 2 moves towards the direction far away from the first mold 1 along with the moving end of the injection molding machine, the driving mechanism drives the ejector rod 7 to move, and the ejector block 4 moves towards the direction far away from the first mold 1 under the driving of the ejector rod 7. Under the effect of kicking block 4, the part breaks away from first mould 1 along with kicking block 4, and when kicking block 4 kept away from first mould 1, bullet needle 8 moved to the direction of keeping away from first cavity 52 under the effect of elastic component 9 simultaneously, and the second section bullet needle body 82 of bullet needle 8 withdraws from first product passageway 61, accomplishes the injection moulding of a part finally.

The embodiment of the utility model also provides a production facility, this equipment include equipment principal and the demolding mechanism in at least one foretell system hole of being connected with equipment principal. The production facility is further described below by means of a specific use scenario. The utility model provides a production facility, its is including removing end, stiff end, hydraulic system, cooling system, the system of moulding plastics and control system, and a plurality of first moulds 1 are connected on the stiff end, and a plurality of second moulds 2 are connected on removing the end, and control system is connected with hydraulic system, the system of moulding plastics and cooling system electricity respectively, and hydraulic system connects respectively and removes end and stiff end. The cooling system is connected with a plurality of cooling channels on the first mold 1 or the second mold 2 respectively. When injection molding production is carried out, the control system controls the hydraulic system to work so as to enable the moving end to move towards the fixed end and enable the plurality of first molds 1 and the plurality of second molds 2 to be connected in a combined mode. The control system then controls the injection system to inject the injection material into the product channel 6, and then controls the cooling system to operate so that the cooling liquid flows into the cooling channel, whereby the injection material is cooled and formed. The hydraulic system then moves the moving end away from the fixed end, thereby releasing the injection molded product from the first mold 1. Finally, the worker takes the injection molding product out of the production equipment.

To sum up, the embodiment of the utility model provides an among the technical scheme, through set up the kicking block in first mould and second mould, be provided with bullet needle mechanism on the kicking block simultaneously, it can solve the production smoothly and have side opening or side convex, the concave part product of side, conveniently forms the pore structure on the part of moulding plastics, when further simplifying the mould structure, can also improve production efficiency. In addition, the ejector rod is connected with the ejector block, and the ejector rod drives the ejector block to move when injection molding is completed, so that the injection molding piece is separated from the first mold, a user can take out the injection molding piece conveniently, and meanwhile production efficiency is also improved.

It should be noted that, although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention should not be construed as limited to the scope of the present invention. Various modifications and changes may be made by those skilled in the art without inventive work within the scope of the present invention as described in the claims. The embodiment of the present invention aims at concisely explaining the technical features of the embodiment of the present invention, so that a person skilled in the art can visually understand the technical features of the embodiment of the present invention, and does not act as an improper limitation of the embodiment of the present invention.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A demolding mechanism for hole making, comprising:

2. A hole-making demolding mechanism according to claim 1, wherein the first mold is provided with a first structure surface and a second structure surface, and the second mold is provided with a third structure surface and a fourth structure surface;

the second structure surface and the fourth structure surface are arranged in an opposite mode at intervals to form a second product channel, and the second product channel is communicated with the first product channel.

3. The hole-making demolding mechanism as claimed in claim 1, wherein the first mold is provided with a receiving groove opening toward the second mold, the receiving groove having a plurality of groove wall surfaces and a groove bottom surface;

a plurality of the groove wall respectively with the tank bottom face becomes obtuse angle and sets up to make the radial dimension of storage tank, follow the tank bottom face the opening orientation grow gradually.

4. The hole-making demolding mechanism as claimed in any one of claims 1 to 3, wherein the top block has a first surface and a second surface which are oppositely arranged;

the ejection block is provided with an elastic needle accommodating cavity, the elastic needle accommodating cavity penetrates through the first surface and the second surface, and the elastic needle mechanism is movably arranged in the elastic needle accommodating cavity.

5. The hole-making and demolding mechanism according to claim 4, wherein the elastic needle accommodating cavity at least comprises a first cavity and a second cavity in the direction from the first surface to the second surface, and the diameter of the first cavity is larger than that of the second cavity.

6. The hole-making demolding mechanism as claimed in claim 5, wherein the needle ejecting mechanism comprises an ejecting needle and an elastic member;

one end of the elastic piece is abutted to the ejecting block, and the other end of the elastic piece is abutted to the elastic needle.

7. The hole forming stripping mechanism of claim 6, wherein the spring pin has at least a first section of spring pin body and a second section of spring pin body;

8. The hole forming and ejection mechanism of claim 6, wherein the pogo pin is disposed at a first angle with respect to the second surface.

9. A hole making ejection mechanism as in claim 8, wherein the first angle is 90 degrees.

10. A production apparatus comprising an apparatus main body and at least one hole-making ejector mechanism according to any one of claims 1 to 9 connected to the apparatus main body.