CN216782539U

CN216782539U - Demoulding device of injection mould for thick-wall part of automobile lamp

Info

Publication number: CN216782539U
Application number: CN202220375882.XU
Authority: CN
Inventors: 杨勇; 刘小英; 杨靖宇; 杨茵萍
Original assignee: Taizhou Huangyan Youte Mould Co ltd
Current assignee: Taizhou Huangyan Youte Mould Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-06-21
Anticipated expiration: 2032-02-23

Abstract

The utility model belongs to the technical field of automobile lamp processing, and particularly relates to a demoulding device of an injection mould for thick-walled parts of an automobile lamp, which comprises a fixed mould, wherein the fixed mould is divided into a fixed mould base plate and a fixed mould plate, a main runner is arranged on the upper mould base plate, and a plurality of sub-runners communicated with the main runner are arranged on the upper mould plate; the movable mould comprises a movable mould base plate, a side plate and a movable mould plate; the fixed die plate is provided with a left die cavity and a right die cavity, the sub-runners are communicated with the die cavities, the movable die plate is provided with a core corresponding to the two die cavities, the movable die plate is further provided with a first side sliding block and a second side sliding block, the fixed die plate is provided with a first guide rod and a second guide rod which are obliquely arranged, the first side sliding block is arranged on the first guide rod in a sliding mode, the second side sliding block is arranged on the second guide rod in a sliding mode, a first spring is arranged between the core and the first side sliding block in the horizontal direction, and a second spring is arranged between the core and the second side sliding block in the horizontal direction. The utility model can effectively improve the demoulding efficiency of the product.

Description

Demoulding device of injection mould for thick-wall part of automobile lamp

Technical Field

The utility model belongs to the technical field of automobile lamp processing, and particularly relates to a demoulding device of an injection mould for a thick-wall part of an automobile lamp.

Background

The car light generally includes lamp shade, thick walled component, LED lamp and PCB board, and the thick walled component is used for the light that the conduction LED lamp sent to derive light lamp shade. At present, the thick-wall part becomes a popular light-emitting mode at present due to the uniform light-emitting effect and the static glittering and translucent high-quality texture.

The utility model discloses a chinese utility model patent of publication No. CN209207916U, it discloses an antiseized mould of car light thick wall light guide, utilizes oblique guide pillar 7 to make the slip that takes place the perpendicular to die sinking direction from slider 6 during the die sinking, breaks away from the little slope face of side to take place the problem of pulling, top crack when preventing the ejecting drawing of patterns of injection moulding product, the injection moulding product qualification rate is high. Because the inclined guide post is arranged on the movable mould plate in the mould, the self-sliding block only receives the pushing force and the pulling force of the inclined guide post during mould opening and mould closing so as to slide, the moving speed of the self-sliding block is not rapid during mould opening, namely the response is slow, and the demoulding efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems and provide a mold stripping device capable of improving the stripping efficiency of a thick-walled part of an automobile lamp.

In view of the above, the present invention provides a demolding device for an injection mold of a thick-walled member of an automobile lamp, comprising:

the fixed die comprises a fixed die base plate and a fixed die plate arranged on the fixed die base plate, wherein a main runner is arranged on the fixed die base plate, a plurality of sub-runners communicated with the main runner are arranged on the fixed die plate, a hot runner plate is also arranged between the fixed die base plate and the fixed die plate, and a heating pipe is arranged on the hot runner plate;

the movable mould comprises a movable mould base plate, side plates arranged on two sides of the movable mould base plate and movable mould plates arranged on the two side plates;

the fixed die plate is provided with a left die cavity and a right die cavity, the shunt passage is communicated with the die cavities, the movable die plate is provided with a die core respectively corresponding to the two die cavities, the movable die plate is also provided with a first side slide block positioned on the side of the die core and a second side slide block positioned behind the die core, and when die assembly is carried out, a cavity for forming a thick-walled part is formed by gaps among the die cavity, the die core, the first side slide block and the second side slide block;

the fixed die plate is provided with a first guide rod and a second guide rod which are obliquely arranged, the first side sliding block is arranged on the first guide rod in a sliding mode, the second side sliding block is arranged on the second guide rod in a sliding mode, a first spring arranged in the horizontal direction is arranged between the die core and the first side sliding block, and a second spring arranged in the horizontal direction is arranged between the die core and the second side sliding block;

when the die is closed, the movable die plate moves to enable the core, the first side sliding block and the second side sliding block to approach the die cavity along the vertical direction, and meanwhile, the first guide rod pushes the first side sliding block and the second guide rod pushes the second side sliding block to approach the die cavity along the horizontal direction and extrude the first spring and the second spring; when the mold is opened, the mold core is far away from the mold cavity, the first spring pushes the first side sliding block, and the second spring pushes the second side sliding block to move on the first guide rod and the second guide rod in the direction far away from the mold cavity.

In the technical scheme, after the mould is closed, the injection molding machine sends the melted material into the main runner, then the melted material flows from the main runner to the sub-runners and finally flows into the cavity of the molded thick-walled part, wherein, the heating pipe on the hot runner plate heats the movable template so as to control the temperature of the material, after the thick-wall part is injection-molded and cooled and formed, the machine tool drives the movable mould to move towards the direction far away from the fixed mould, so that the mould core on the movable mould plate is separated from the mould cavity on the fixed mould plate, wherein, the elastic force of the first spring and the second spring can rapidly and respectively push the first side slide block and the second side slide block to move towards the direction away from the cavity, under the guidance of the first guide rod and the second guide rod, the first side sliding block and the second side sliding block are gradually far away from the mold core, and then the molded thick-wall part on the mold core is ejected upwards through the ejection mechanism, so that the method is very convenient, and the demolding efficiency of the product is effectively improved.

In the above technical scheme, further, be provided with the push rod fixed plate that is located between the board of both sides on the movable mould bedplate, the push rod that upwards sets up on the push rod fixed plate, the push rod upwards extends to on the core, still has the guide pillar that upwards sets up on the movable mould bedplate, and the push rod fixed plate slides and sets up on the guide pillar, still is provided with the pneumatic cylinder on the movable mould board, and the piston rod downwardly extending on the pneumatic cylinder links to each other with the push rod fixed plate.

In the technical scheme, the ejection mechanism mainly comprises a hydraulic cylinder, a push rod and a push rod fixing plate, when the ejection mechanism is ejected, the hydraulic cylinder drives the push rod fixing plate to move upwards, so that the push rod on the push rod fixing plate moves upwards, and the formed thick-wall part can be ejected upwards in the process of moving upwards of the push rod, so that the purpose of automatically taking the part is realized.

In any of the above technical solutions, further, there are four hydraulic cylinders, and two sides of the movable mold base plate are respectively provided with two hydraulic cylinders.

In this technical scheme, through setting up four pneumatic cylinders to improve the stationarity of thick walled workpiece when ejecting.

In any of the above technical solutions, further, the movable mold base plate is further provided with a travel switch corresponding to each hydraulic cylinder.

In the technical scheme, the cylinder is used as a power source in most of the ejection mechanisms of the existing injection molds, and the stroke of the ejection mechanisms is difficult to control accurately.

In any of the above technical solutions, further, the movable mold base plate is further provided with a support pillar which is vertically arranged, and the support pillar extends upwards to the movable mold plate after penetrating through the push rod fixing plate.

In this technical scheme, the support column has two to set up respectively in the both sides of movable mould bedplate, through setting up the support column, in order to support the movable mould board, the production of reducible runner overlap.

In any of the above technical solutions, further, the heat flow channel plate is further provided with a temperature sensing needle.

In this technical scheme, through setting up the temperature sensing needle in order being used for detecting the temperature of material, it is specific can adopt the thermocouple to regard as the temperature sensing needle.

In any of the above technical solutions, further, a positioning ring is disposed on an outer port of the main flow channel.

In this technical scheme, through setting up the position circle, come to fix a position the injection gun on the injection molding machine through the position circle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic diagram of the internal structure of another aspect of the present invention;

the reference numbers in the figures are: 100. fixing a mold; 110. a fixed die base plate; 111. a main flow channel; 112. positioning rings; 120. fixing a template; 121. a cavity; 122. a first guide bar; 123. a second guide bar; 130. a hot runner plate; 131. heating a tube; 132. a temperature sensing needle; 200. moving the mold; 210. a movable mould seat plate; 220. a side plate; 230. moving the template; 231. a core; 232. a first side slide block; 233. a second side slide block; 234. a first spring; 235. a second spring; 240. a push rod fixing plate; 250. a push rod; 260. a guide post; 270. a hydraulic cylinder; 280. a travel switch; 290. and (4) a support column.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

In the description of the present application, it is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. For convenience of description, the dimensions of the various features shown in the drawings are not necessarily drawn to scale. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

It should be noted that in the description of the present application, the orientation or positional relationship indicated by the terms such as "front, back, up, down, left, right", "lateral, vertical, horizontal" and "top, bottom" and the like are generally based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description only, and in the case of not making a reverse description, these orientation terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1:

as shown in fig. 1, fig. 2 and fig. 3, the present embodiment provides a demolding device for an injection mold of a thick-walled member of an automobile lamp, comprising:

the fixed die 100 is divided into a fixed die base plate 110 and a fixed die plate 120 arranged on the fixed die base plate 110, a main runner 111 is arranged on the fixed die base plate 110, a plurality of branch runners communicated with the main runner 111 are arranged on the fixed die plate 120, a hot runner plate 130 is further arranged between the fixed die base plate 110 and the fixed die plate 120, and a heating pipe 131 is arranged on the hot runner plate 130;

the movable die 200 comprises a movable die base plate 210, side plates 220 arranged on two sides of the movable die base plate 210 and movable die plates 230 arranged on the two side plates 220;

the fixed die plate 120 is provided with a left die cavity 121 and a right die cavity 121, the branch channel is communicated with the die cavities 121, the movable die plate 230 is provided with a core 231 corresponding to the two die cavities 121, the movable die plate 230 is also provided with a first side slide block 232 positioned on the side of the core 231 and a second side slide block 233 positioned behind the core 231, and when die assembly is carried out, a cavity for forming a thick-wall part is formed by a gap among the die cavities 121, the core 231, the first side slide block 232 and the second side slide block 233;

the fixed die plate 120 is provided with a first guide rod 122 and a second guide rod 123 which are obliquely arranged, a first side slider 232 is arranged on the first guide rod 122 in a sliding manner, a second side slider 233 is arranged on the second guide rod 123 in a sliding manner, a first spring 234 which is arranged along the horizontal direction is arranged between the core 231 and the first side slider 232, and a second spring 235 which is arranged along the horizontal direction is arranged between the core 231 and the second side slider 233;

during die assembly, the movable die plate 230 moves, so that the core 231, the first side slide block 232 and the second side slide block 234 approach the die cavity 121 along the vertical direction, and simultaneously the first guide rod 122 pushes the first side slide block 232 and the second guide rod 123 pushes the second side slide block 233 to approach the die cavity 121 along the horizontal direction, and the first spring 234 and the second spring 235 are extruded; when the mold is opened, the core 231 is away from the cavity 121, the first spring 234 pushes the first side slider 232, the second spring 235 pushes the second side slider 233 to move on the first guide rod 122 and the second guide rod 123 in a direction away from the cavity 121.

In the technical scheme, after the mold is closed, the injection molding machine sends the molten material into the main runner 111, then the molten material flows from the main runner 111 to the branch runners, and finally flows into the cavity of the molded thick-walled part, wherein the heating pipe 131 on the hot runner plate 130 heats the movable mold plate 230 so as to control the temperature of the material, after the injection molding and the cooling molding of the thick-walled part, the movable mold is driven by a machine tool to move in the direction away from the fixed mold, so that the mold core 231 on the movable mold plate 230 is separated from the mold cavity 121 on the fixed mold plate 120, wherein the elastic forces of the first spring 234 and the second spring 235 can rapidly and respectively push the first side slider 232 and the second side slider 233 to move in the direction away from the mold cavity 121, and under the guidance of the first guide rod 122 and the second guide rod 123, the first side slider 232 and the second side slider 233 are also gradually away from the mold core 231, and then the molded thick-walled part on the mold core 231 is ejected upwards through the ejection mechanism, is very convenient and effectively improves the demoulding efficiency of the product.

As shown in fig. 1, 2 and 3, in the present embodiment, specifically, the movable mold base plate 210 is provided with a push rod fixing plate 240 located between the two side plates 220, the push rod fixing plate 240 is provided with a push rod 250 upwardly arranged, the push rod 250 extends upwardly to the core 231, the movable mold base plate 210 is further provided with a guide post 260 upwardly arranged, the push rod fixing plate 240 is slidably arranged on the guide post 260, the movable mold plate 230 is further provided with a hydraulic cylinder 270, and a piston rod of the hydraulic cylinder 270 extends downwardly and is connected to the push rod fixing plate 240.

In the technical scheme, the ejection mechanism mainly comprises a hydraulic cylinder 270, a push rod 250 and a push rod fixing plate 240, and when the ejection is performed, the hydraulic cylinder 270 drives the push rod fixing plate 240 to move upwards, so that the push rod 250 on the push rod fixing plate 240 moves upwards, and in the process of moving upwards of the push rod 250, the formed thick-walled part can be ejected upwards, and the purpose of automatically taking the part is achieved.

As shown in fig. 1, in this embodiment, specifically, there are four hydraulic cylinders 270, and two hydraulic cylinders are provided on both sides of the movable die plate 210.

In this technical scheme, through setting up four pneumatic cylinders 270 to improve the stationarity of thick walled workpiece when ejecting.

As shown in fig. 1, in the present embodiment, specifically, the movable mold base plate 210 is further provided with a stroke switch 280 corresponding to each hydraulic cylinder 270.

In the technical scheme, the cylinder is used as a power source in most of the existing ejection mechanisms of the injection molds, and the stroke of the ejection mechanisms is difficult to control accurately.

As shown in fig. 3, in the present embodiment, specifically, the movable mold base plate 210 further has a support column 290 vertically disposed thereon, and the support column 290 extends upward to the movable mold plate 230 after penetrating through the push rod fixing plate 240.

In this embodiment, there are two support columns 290, and the two support columns 290 are respectively disposed on two sides of the movable mold base plate 210, so as to support the movable mold plate 230, and reduce the generation of the runner flash.

In the present embodiment, as shown in fig. 2, specifically, the thermal runner plate 130 is further provided with a temperature sensing pin 132.

In this embodiment, a thermocouple may be specifically used as the temperature sensing needle 132 by providing the temperature sensing needle 132 for detecting the temperature of the material.

As shown in fig. 1, in the present embodiment, specifically, a positioning ring 112 is disposed on an outer port of the main flow passage 111.

In the technical scheme, the injection gun on the injection molding machine is positioned by arranging the positioning ring 112 and the positioning ring 112.

While the embodiments of the present application have been described in connection with the drawings, the embodiments and features of the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present application and the claims.

Claims

1. The utility model provides a car light thick wall spare injection mold's shedder which characterized in that includes:

the fixed die (100) is divided into a fixed die base plate (110) and a fixed die plate (120) arranged on the fixed die base plate (110), a main flow channel (111) is formed in the fixed die base plate (110), a plurality of branch flow channels communicated with the main flow channel (111) are arranged on the fixed die plate (120), a hot flow channel plate (130) is further arranged between the fixed die base plate (110) and the fixed die plate (120), and a heating pipe (131) is arranged on the hot flow channel plate (130);

the moving die (200) comprises a moving die base plate (210), side plates (220) arranged on two sides of the moving die base plate (210) and moving die plates (230) arranged on the two side plates (220);

the fixed die plate (120) is provided with a left die cavity and a right die cavity (121), the shunt passage is communicated with the die cavities (121), the movable die plate (230) is provided with cores (231) corresponding to the two die cavities (121), the movable die plate (230) is further provided with a first side slide block (232) positioned on the side of the core (231) and a second side slide block (233) positioned behind the core (231), and when die assembly is carried out, a cavity for forming a thick-wall part is formed by gaps among the die cavities (121), the cores (231), the first side slide block (232) and the second side slide block (233);

the fixed die plate (120) is provided with a first guide rod (122) and a second guide rod (123) which are obliquely arranged, the first side sliding block (232) is arranged on the first guide rod (122) in a sliding manner, the second side sliding block (233) is arranged on the second guide rod (123) in a sliding manner, a first spring (234) arranged along the horizontal direction is arranged between the core (231) and the first side sliding block (232), and a second spring (235) arranged along the horizontal direction is arranged between the core (231) and the second side sliding block (233);

when the die is closed, the movable die plate (230) moves, so that the core (231), the first side slide block (232) and the second side slide block (233) approach to the cavity (121) along the vertical direction, and meanwhile, the first guide rod (122) pushes the first side slide block (232) and the second guide rod (123) pushes the second side slide block (233) to approach to the cavity (121) along the horizontal direction and extrude a first spring (234) and a second spring (235); when the mold is opened, the mold core (231) is far away from the mold cavity (121), the first spring (234) pushes the first side slide block (232) and the second spring (235) pushes the second side slide block (233) to move on the first guide rod (122) and the second guide rod (123) in the direction far away from the mold cavity (121).

2. The demolding device of the injection mold for the thick-walled part of the automobile lamp as claimed in claim 1, wherein a push rod fixing plate (240) is arranged on the movable mold base plate (210) and located between the two side plates (220), a push rod (250) is upwards arranged on the push rod fixing plate (240), the push rod (250) upwards extends to the mold core (231), a guide pillar (260) is upwards arranged on the movable mold base plate (210), the push rod fixing plate (240) is slidably arranged on the guide pillar (260), a hydraulic cylinder (270) is further arranged on the movable mold plate (230), and a piston rod on the hydraulic cylinder (270) downwards extends and is connected with the push rod fixing plate (240).

3. The demolding device for the injection mold of the thick-walled member of the automobile lamp as claimed in claim 2, wherein the number of the hydraulic cylinders (270) is four, and two movable mold base plates (210) are respectively provided at both sides thereof.

4. The demolding device for the injection mold of the thick-walled member for the automobile lamp as claimed in claim 3, wherein the movable mold base plate (210) is further provided with a travel switch (280) corresponding to each hydraulic cylinder (270).

5. The demolding device for the injection mold of the thick-walled member for the automobile lamp as claimed in claim 2, wherein a vertically arranged supporting pillar (290) is further provided on the movable mold base plate (210), and the supporting pillar (290) extends upwardly to the movable mold plate (230) after penetrating through the push rod fixing plate (240).

6. The demolding device for the injection mold of the thick-walled member of the automobile lamp as claimed in claim 1, wherein the heat runner plate (130) is further provided with a temperature sensing needle (132).

7. The demolding device for the injection mold of the thick-walled member of the automobile lamp as claimed in claim 1, wherein a positioning ring (112) is provided on an outer port of the main flow passage (111).