CN212171178U

CN212171178U - Injection mold for automobile gear shifter bracket

Info

Publication number: CN212171178U
Application number: CN202020392874.7U
Authority: CN
Inventors: 林君光; 尚元龙; 李双站; 董皓; 孙成铭; 方培雄; 李平业; 王哲; 薛帅; 竺钊鹏; 宋志伟; 胡旭杰; 韩明利
Original assignee: Qingdao Junxin Mould Co ltd
Current assignee: Qingdao Junxin Mould Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-12-18
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses an automobile gear shifter support injection mold, including movable mould panel, hot runner main part, hot runner socket and cover half panel, the top of movable mould panel is connected with the hot runner main part, and the back of hot runner main part is provided with the hot runner socket, the front surface of movable mould panel is provided with big guide pillar, and the inside of movable mould panel is provided with movable mould benevolence, the cover half panel is located the front side of movable mould panel, the rear side of roof is provided with reset spring, the guide pin bushing has been seted up to the inside of cover half panel, and the inside of cover half panel is provided with cover half benevolence to the internal surface of cover half benevolence has cover half cooling tube, the internal surface of movable mould. This car selector support injection mold carries out the in-process of injecting glue at the melting plastic, and hot runner main part can guarantee that the injecting glue in-process melting plastic can not produce the cooling and solidify to finished product overall quality has been improved.

Description

Injection mold for automobile gear shifter bracket

Technical Field

The utility model relates to the technical field of mold, specifically be car selector support injection mold.

Background

The die is a die and a tool which are molded corresponding to various products and have cavities inside, and is mainly used for manufacturing corresponding molded articles, in the production field of modern society, the types of the products obtained by production are more and more, a plurality of products with irregular shapes can not be quickly obtained by using the traditional cutting mode, and the products with complicated shapes can be manufactured by using the die in the modes of injection molding, die casting, forging and pressing, and the like.

The injection molding is a production mode that molten plastic or rubber raw materials are extruded into a mold through pressurized injection, so that a molded product with characteristics is formed after the molten materials are cooled, in the production process of the product by an injection molding machine, only heating and melting work is usually carried out inside a raw material circulation pipeline, heating treatment is not carried out in the process that the materials enter the mold, and at the moment, the materials can be cooled, so that the quality of a finished product is influenced, and the condition that the quality and the density of the finished product are not high is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile gear shifter support injection mold to the injection molding machine that proposes in solving above-mentioned background art moulds plastics the in-process, does not heat at the material gets into the inside in-process of mould, may lead to the melting material temperature to reduce, thereby produces the problem of influence to off-the-shelf quality.

In order to achieve the above object, the utility model provides a following technical scheme: an injection mold of an automobile gear shifter bracket comprises a movable mold panel, a hot runner main body, a hot runner socket and a fixed mold panel, wherein a heat insulation plate is arranged at the rear side of the movable mold panel, a screw is connected inside the movable mold panel, the hot runner main body is connected above the movable mold panel, the hot runner socket is arranged at the back of the hot runner main body, a glue inlet is connected above the hot runner main body, a runner pipe is arranged below the hot runner main body, the tail end of the runner pipe is connected with a pouring gate, a large guide pillar is arranged on the front surface of the movable mold panel, a back needle gasket is arranged on the front surface of the movable mold panel, a movable mold core is arranged inside the movable mold panel, the fixed mold panel is positioned at the front side of the movable mold panel, an ejection connecting block is connected inside the fixed mold panel, a square iron is arranged inside the, and the rear side of thimble bottom plate is connected with the roof, the rear side of roof is provided with reset spring, and reset spring's end-to-end connection has the return stroke pole, the rear side of roof is provided with the ejector pin, the guide pin bushing has been seted up to the inside of cover half panel, and the inside of cover half panel is provided with cover half mould benevolence to the internal surface of cover half mould benevolence has cover half cooling tube, the internal surface of movable mould benevolence has movable mould cooling tube.

Preferably, the movable mold panel and the hot runner main body form an integrated structure, and the hot runner main body, the glue inlet, the runner pipe and the sprue gate are communicated with each other.

Preferably, the surface of the movable die panel is provided with large guide pillars at equal angles, the large guide pillars and the guide sleeves form a sliding clamping structure, and the large guide pillars and the movable die panel form an integrated structure.

Preferably, the back pin gaskets are distributed on the surface of the movable mold panel at equal angles, the distribution direction of the back pin gaskets is the same as that of the return rods, and the return rods and the fixed mold panel form a sliding structure.

Preferably, the ejection connecting block and the fixed die panel form a sliding structure, the fixed die panel and the ejector pin bottom plate form a sliding structure, and the ejector pin bottom plate, the top plate and the ejector rod form an integrated structure.

Preferably, the cover die cooling pipeline is arranged on the inner side surface of the cover die core in an overlapping and surrounding mode, the cover die cooling pipeline is arranged inside the cover die panel, the movable die cooling pipeline is arranged on the inner side surface of the movable die core in an overlapping and surrounding mode, and the movable die cooling pipeline is arranged inside the movable die panel.

Compared with the prior art, the beneficial effects of the utility model are that: the injection mold for the automobile gear shifter bracket,

1. in the injection molding process of the injection molding machine, a molten raw material enters the interior of the hot runner main body through the glue inlet, the hot runner main body is electrified through the hot runner socket and always maintained at a certain temperature, and the molten material circulating in the hot runner main body is heated, so that the glue injection process is always kept in a heating state, the sol is ensured not to be cooled or solidified in the filling process, factors influencing the product quality are reduced, and the density and the product strength of the product are improved;

2. according to the device, the cooling pipelines are arranged in the movable mold panel and the fixed mold panel, the cooling pipelines are close to the mold core, after glue injection is completed, cold water is introduced into the cooling pipelines to cool the interior of the mold cavity through water circulation, so that the product in the mold cavity can be rapidly cooled, the heat dissipation area is more uniform, the production period of the product can be effectively reduced, and the product can be more uniformly shrunk;

3. after the moulding completion of product cooling, carry out the in-process of die sinking, promote ejecting connecting block through the injection molding machine, can promote the ejector pin through the structure and remove to release the fashioned product of die cavity inside at the in-process that the ejector pin removed backward, can drop by automatic ejecting product after moulding completion, make things convenient for the staff to collect the fashioned product fast.

Drawings

Fig. 1 is a schematic view of a rear view structure of the connection between the hot runner main body and the hot runner socket of the present invention;

FIG. 2 is a schematic view of the hot runner main body and the runner pipe of the present invention;

FIG. 3 is a schematic view of the structure of the movable mold core and the fixed mold core of the present invention;

FIG. 4 is a schematic view of the top view cross-sectional structure of the movable mold panel and the fixed mold panel of the present invention;

FIG. 5 is a front view of the movable mold panel of the present invention;

fig. 6 is the utility model discloses cover half panel rear view structure schematic diagram.

In the figure: 1. a movable mould panel; 2. a heat insulation plate; 3. a screw; 4. a hot runner main body; 5. a hot runner socket; 6. a glue inlet; 7. a runner pipe; 8. a pouring gate; 9. a large guide post; 10. a back stitch gasket; 11. a movable mould core; 12. fixing the die panel; 13. ejecting a connecting block; 14. square iron; 15. a thimble base plate; 16. a top plate; 17. a return spring; 18. a return link; 19. a top rod; 20. a guide sleeve; 21. fixing a mold core; 22. a fixed mold cooling pipeline; 23. and cooling the pipeline by the movable mold.

Detailed Description

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

Referring to fig. 1-6, the present invention provides a technical solution: an injection mold of an automobile gear shifter bracket comprises a movable mold panel 1, a heat insulation plate 2, a screw 3, a hot runner main body 4, a hot runner socket 5, a glue inlet 6, a runner pipe 7, a sprue gate 8, a large guide pillar 9, a back pin gasket 10, a movable mold core 11, a fixed mold panel 12, an ejection connecting block 13, square iron 14, an ejector pin bottom plate 15, a top plate 16, a reset spring 17, a return rod 18, an ejector rod 19, a guide sleeve 20, a fixed mold core 21, a fixed mold cooling pipeline 22 and a movable mold cooling pipeline 23, wherein the heat insulation plate 2 is arranged on the rear side of the movable mold panel 1, the screw 3 is connected inside the movable mold panel 1, the hot runner main body 4 is connected above the movable mold panel 1, the hot runner socket 5 is arranged on the back of the hot runner main body 4, the glue inlet 6 is connected above the hot runner main body 4, the runner pipe 7 is arranged below the hot runner, the front surface of the movable die panel 1 is provided with a large guide post 9, the front surface of the movable die panel 1 is provided with a back needle gasket 10, a moving die core 11 is arranged in the moving die panel 1, a fixed die panel 12 is positioned at the front side of the moving die panel 1, an ejection connecting block 13 is connected in the fixed die panel 12, and the inside of the fixed die panel 12 is provided with a square iron 14, the inside of the fixed die panel 12 is provided with an ejector pin bottom plate 15, and the back side of the thimble bottom plate 15 is connected with a top plate 16, the back side of the top plate 16 is provided with a return spring 17, and the end of the return spring 17 is connected with a return rod 18, the rear side of the top plate 16 is provided with a top rod 19, the inside of the fixed die panel 12 is provided with a guide sleeve 20, the inside of the fixed die panel 12 is provided with a fixed die core 21, and the inner surface of the stationary mold core 21 is connected with a stationary mold cooling duct 22, and the inner surface of the movable mold core 11 is connected with a movable mold cooling duct 23.

The movable mould panel 1 and the hot runner main body 4 form an integrated structure, the hot runner main body 4, the glue inlet 6, the runner pipe 7 and the sprue gate 8 are communicated with each other, molten plastic enters the hot runner main body 4 through the injection of the glue inlet 6, the movable mould core 11 is injected through the runner pipe 7 and the sprue gate 8, under the condition that the movable mould core 11 and the fixed mould core 21 are closed, a gap is filled to perform moulding work, the hot runner always keeps a heating state in the glue injection process, the plastic is guaranteed not to be cold cut in the injection state, and therefore the density of a product piece is increased and the strength of the product is increased.

The surface of the movable mould panel 1 is provided with the large guide pillars 9 at equal angles, the large guide pillars 9 and the guide sleeves 20 form a sliding clamping structure, the large guide pillars 9 and the movable mould panel 1 form an integrated structure, the large guide pillars 9 move together with the movable mould panel 1, and in the mould closing and opening processes of the mould, the large guide pillars 9 and the guide sleeves 20 slide relatively to each other, so that the guiding effect is achieved on the mould opening and closing movement of the mould, and the accuracy in the mould movement is guaranteed.

The back needle gasket 10 is distributed on the surface of the movable mould panel 1 at equal angles, the distribution position of the back needle gasket 10 is the same as that of the back needle rod 18, the back needle rod 18 and the fixed mould panel 12 form a sliding structure, the back needle rod 18 increases the collision area of front and back films in the mould closing and mould opening processes of the mould, simultaneously, under the action of the reset spring 17, the thimble bottom plate 15, the top plate 16 and the ejector rod 19 are driven to reset when the external force action is lost, the back needle gasket 10 is in contact with the ejected back needle rod 18, the back needle rod 18 is engaged, and the service life is prolonged.

The ejection connecting block 13 and the fixed die panel 12 form a sliding structure, the fixed die panel 12 and the ejector pin bottom plate 15 form a sliding structure, the ejector pin bottom plate 15, the ejector plate 16 and the ejector rod 19 form an integrated structure, the head end of the ejection connecting block 13 is connected with the ejection structure of the injection molding machine, and the ejection connecting block slides inwards in the die opening process, so that the ejector pin bottom plate 15 and the fixed die panel 12 slide relatively inside, the ejector pin bottom plate 15 and the ejector plate 16 act together to drive the ejector rod 19 to move, an ejection molding product is ejected in the die opening process of the die, and the product can automatically fall off after being molded.

Cover half cooling tube 22 overlaps in the inboard surface of cover half benevolence 21 and encircles the setting, and cover half cooling tube 22 sets up in the inside of cover half panel 12, movable mould cooling tube 23 overlaps in the inboard surface of movable mould benevolence 11 and encircles the setting, and movable mould cooling tube 23 sets up in the inside of movable mould panel 1, after the product injecting glue is accomplished, need dispel the heat to the product of inside melting form through cover half cooling tube 22 and movable mould cooling tube 23, cover half cooling tube 22 and movable mould cooling tube 23 and mould benevolence direct contact, can dispel the heat to the product fast, reduce the production cycle of goods, and the heat transfer region is even, make the even non-deformable of product shrink.

The working principle is as follows: as shown in fig. 4, 5 and 6, the movable mold panel 1 is connected with an injection molding pipeline of an injection molding machine, the fixed mold panel 12 is fixed to the opposite surface of the movable mold panel 1, the movable mold panel 1 is driven by the injection molding machine to move towards the fixed mold panel 12, the large guide post 9 is connected with the guide sleeve 20 for positioning, the large guide post 9 is inserted into the guide sleeve 20 in the mold closing process, the backstitch gasket 10 is attached to the backstitch rod 18 to ensure the accuracy of mold closing, and after the movable mold panel 1 and the fixed mold panel 12 are completely closed, the movable mold core 11 and the fixed mold core 21 are closed to form an integral mold cavity, so that injection molding can be performed;

as shown in fig. 1, 2 and 4, in the moving process of the movable mold panel 1, the hot runner main body 4 moves synchronously with the movable mold panel, molten plastic is injected into the hot runner main body 4 through the glue inlet 6, the hot runner socket 5 is powered on to heat the hot runner main body 4, so as to ensure that the internal plastic is always in a molten state, the molten plastic is injected into the integral mold cavity through the runner pipe 7 and the pouring gate 8, a product shape is formed after filling a gap, the heat insulation plate 2 is fixed on the rear side of the movable mold panel 1 through the screw 3, therefore, the heat insulation performance of the movable mold panel 1 is also good, as shown in fig. 3, a movable mold cooling pipe 23 is arranged on the inner side of the movable mold core 11, a movable mold cooling pipe 23 is arranged on the inner side of the fixed mold core 21, and cold water is introduced into the fixed mold cooling pipe 22 and the movable mold cooling, thereby increasing the speed of the article;

as shown in fig. 4, 5 and 6, after the product is cooled and shaped, the mold opening operation can be performed, the movable mold panel 1 is driven by the injection molding machine to move backwards, the large guide post 9 leaves the inside of the guide sleeve 20, and at the same time, the ejection connecting block 13 slides towards the inside of the fixed mold panel 12 under the action of the injection molding machine, so as to push the ejector pin bottom plate 15 and the top plate 16 to slide inwards, the square iron 14 supports the plate, and at the same time, a sufficient moving position is reserved for the movement of the ejector pin bottom plate 15 and the top plate 16, during the movement of the ejector pin bottom plate 15 and the top plate 16, the ejector rod 19 is driven to move backwards, so as to generate thrust on the shaped product, push the product out of the inside of the mold cavity, so that during the mold opening process, the product can automatically fall off and be collected, the return rod 18 abuts against the return pin gasket 10 during the movement of the ejector pin, after the product which is completely opened is separated from the interior, the ejection connecting block 13 is withdrawn, and the ejector pin bottom plate 15 is reset and slides under the action of the elastic force of the reset spring 17 after losing the action of the external force, so that the ejector pin bottom plate is restored to the original direction, and the ejection motion can be repeatedly performed in the next mold closing process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Automobile gear shifter support injection mold, including movable mould panel (1), hot runner main part (4), hot runner socket (5) and cover half panel (12), its characterized in that: the hot-melt adhesive injection molding machine is characterized in that a heat insulation plate (2) is arranged on the rear side of a movable mold panel (1), a screw (3) is connected inside the movable mold panel (1), a hot runner main body (4) is connected above the movable mold panel (1), a hot runner socket (5) is arranged on the back of the hot runner main body (4), a glue inlet (6) is connected above the hot runner main body (4), a runner pipe (7) is arranged below the hot runner main body (4), a pouring gate (8) is connected to the tail end of the runner pipe (7), a large guide pillar (9) is arranged on the front surface of the movable mold panel (1), a back needle gasket (10) is arranged on the front surface of the movable mold panel (1), a movable mold core (11) is arranged inside the movable mold panel (1), the fixed mold panel (12) is located on the front side of the movable mold panel (1), and an ejection connecting block (13, and the inside of cover half panel (12) is provided with square iron (14), the inside of cover half panel (12) is provided with ejector pin bottom plate (15), and the rear side of ejector pin bottom plate (15) is connected with roof (16), the rear side of roof (16) is provided with reset spring (17), and the end-to-end connection of reset spring (17) has return pole (18), the rear side of roof (16) is provided with ejector pin (19), guide pin bushing (20) have been seted up to the inside of cover half panel (12), and the inside of cover half panel (12) is provided with cover half mould benevolence (21) to the internal surface of cover half mould benevolence (21) is connected with cover half cooling tube (22), the internal surface of movable mould benevolence (11) is connected with movable mould.

2. The injection mold for the bracket of the automobile gear shifter as claimed in claim 1, wherein: the movable mould panel (1) and the hot runner main body (4) form an integrated structure, and the hot runner main body (4), the glue inlet (6), the runner pipe (7) and the pouring gate (8) are communicated with each other.

3. The injection mold for the bracket of the automobile gear shifter as claimed in claim 1, wherein: the surface of the movable die panel (1) is provided with large guide posts (9) at equal angles, the large guide posts (9) and the guide sleeves (20) form a sliding clamping structure, and the large guide posts (9) and the movable die panel (1) form an integrated structure.

4. The injection mold for the bracket of the automobile gear shifter as claimed in claim 1, wherein: the back pin gaskets (10) are distributed on the surface of the movable mould panel (1) at equal angles, the distribution direction of the back pin gaskets (10) is the same as that of the back pin rods (18), and the back pin rods (18) and the fixed mould panel (12) form a sliding structure.

5. The injection mold for the bracket of the automobile gear shifter as claimed in claim 1, wherein: the ejection connecting block (13) and the fixed die panel (12) form a sliding structure, the fixed die panel (12) and the ejector pin bottom plate (15) form a sliding structure, and the ejector pin bottom plate (15), the top plate (16) and the ejector rod (19) form an integrated structure.

6. The injection mold for the bracket of the automobile gear shifter as claimed in claim 1, wherein: the cover half cooling pipe (22) overlaps in the inside surface of cover half benevolence (21) and encircles the setting, and cover half cooling pipe (22) set up in the inside of cover half panel (12), movable mould cooling pipe (23) overlap in the inside surface of movable mould benevolence (11) and encircle the setting, and movable mould cooling pipe (23) set up in the inside of movable mould panel (1).