Electric cabinet mold

Abstract

The utility model discloses an electric cabinet mold, which belongs to the field of molds, and comprises a middle mold and an upper mold, a cavity is formed between the middle mold and the upper mold, the middle mold comprises a base, a lower mold core and a plurality of sliding structures, the lower mold core is fixed on the base, the base is provided with a plurality of sliding chutes, the plurality of sliding chutes are distributed around the lower mold core, each sliding structure is installed in the sliding chute in a sliding manner, and the sliding structures are fixed on the base. Each sliding structure comprises a driving part and a sliding block in transmission connection with the driving part, the driving parts drive the sliding blocks to slide along the sliding grooves, the end portions of the sliding blocks form the side walls of the mold cavities, pouring gates are arranged at the tops of the sliding blocks, and at least two sides of the mold cavities are communicated with the pouring gates so that feeding can be conducted in multiple directions. And a plurality of sliding blocks are adopted for forming during forming, so that shrinkage cavities of the electric cabinet can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the mould field especially is related to the electric control box mould. BACKGROUND

[0002] As shown in the accompanying drawings, Figure 1 The wall thickness of the electric control box 100 is quite different, the local wall thickness is thick, and the local wall thickness is thin. During the production process of the electric control box 100, feeding is carried out on one side of the mould, and the cavity is formed. However, due to the thick local wall thickness and the thin local wall thickness, the solidification sequence cannot be controlled during the forming process of the electric control box 100, and air shrinkage holes are prone to occur, which can cause product leakage. UTILITY MODEL CONTENTS

[0003] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide an electric control box mould capable of avoiding air shrinkage holes in the electric control box.

[0004] One of the purposes of the utility model is achieved by adopting the following technical solutions:

[0005] The electric control box mould comprises a middle mould and an upper mould, a cavity is formed between the middle mould and the upper mould, the middle mould comprises a base, a lower mould core and a plurality of sliding structures, the lower mould core is fixed to the base, the base is provided with a plurality of sliding grooves, the plurality of sliding grooves are distributed around the lower mould core, each sliding structure is slidingly installed in the sliding groove, each sliding structure comprises a driving member and a sliding block in transmission connection with the driving member, the driving member drives the sliding block to slide along the sliding groove, the end portion of the sliding block forms a side wall of the cavity, and a sprue is arranged on the top of the sliding block to communicate at least two sides of the cavity with the sprue so as to realize feeding in multiple directions.

[0006] Further, the number of the sliding structures is four, and the four sliding structures are respectively located on four sides of the cavity and form four side walls of the cavity.

[0007] Further, the four sliding structures are respectively a first sliding structure, a second sliding structure, a third sliding structure and a fourth sliding structure, the fourth sliding structure comprises a second mounting frame, a second driving member, a second sliding block, a third driving member and a third sliding block, the second driving member is fixed to the second mounting frame, the second sliding block is in transmission connection with the second driving member, the third sliding block is in transmission connection with the third driving member, and the third sliding block is slidingly installed in the second sliding block and can be extended out of the second sliding block.

[0008] Further, the third sliding block is inclinedly arranged.

[0009] Further, a heating channel is arranged in the sliding block, and the position of the heating channel corresponds to the thin side wall of the electric control box in the cavity.

[0010] Furthermore, the electrical control box mold also includes a point cooling structure, the position of which corresponds to the wall thickness area of ​​the electrical control box within the cavity.

[0011] Furthermore, the electrical control box mold also includes a lower mold, and the point cooling structure is disposed on the upper mold and / or the lower mold.

[0012] Furthermore, there are multiple point cooling structures, each of which is a vertically arranged cooling pipe, the end of which corresponds to the position of the wall thickness area of ​​the electrical control box.

[0013] Furthermore, the electrical control box mold also includes an extrusion structure, which includes an extrusion drive and an extrusion rod that is pulsatorically connected to the extrusion drive. The position of the end of the extrusion rod corresponds to the deep cavity structure of the electrical control box.

[0014] Furthermore, the electrical control box mold also includes two corrugated plates, which are symmetrically arranged about the cavity. The lower mold core is provided with two exhaust channels, one end of which is connected to the cavity and the other end of which is connected to one of the corrugated plates.

[0015] Compared with the prior art, the middle mold of the electrical control box mold of this utility model includes a base, a lower mold core, and multiple sliding structures. The lower mold core is fixed to the base, and the base is provided with multiple sliding grooves distributed around the lower mold core. Each sliding structure is slidably installed in the sliding groove. Each sliding structure includes a driving component and a slider that is connected to the driving component. The driving component drives the slider to slide along the sliding groove. The end of the slider forms the side wall of the cavity. The top of the slider is provided with a sprue, so that at least two sides of the cavity are connected to the sprue, thereby allowing material to be fed from multiple directions. Through the above design, the electrical control box mold can be fed from multiple directions. During molding, multiple sliders are used for molding, which can avoid the formation of air shrinkage holes in the electrical control box. Attached Figure Description

[0016] Figure 1 This is a three-dimensional sectional view of the electrical control box in the background art;

[0017] Figure 2 This is a perspective view of the electrical control box mold of this utility model;

[0018] Figure 3 for Figure 2 A three-dimensional view of the lower mold of the electrical control box mold;

[0019] Figure 4 for Figure 3 A three-dimensional view of the extrusion structure of the lower die;

[0020] Figure 5 for Figure 2 A partial three-dimensional view of the electrical control box mold;

[0021] Figure 6 for Figure 2 A three-dimensional view of the internal structure of the electrical control box mold;

[0022] Figure 7 for Figure 6 A three-dimensional view of the second sliding structure of the middle mold of the electrical control box mold;

[0023] Figure 8 for Figure 7 A three-dimensional sectional view of the second sliding structure;

[0024] Figure 9 for Figure 6 A three-dimensional view of the fourth sliding structure of the middle mold of the electrical control box mold;

[0025] Figure 10 for Figure 9 A partial three-dimensional view of the fourth sliding structure;

[0026] Figure 11 for Figure 6 A three-dimensional view of the base of the middle mold of the electrical control box mold.

[0027] In the diagram: 100, Electrical control box; 10, Lower mold; 11, Lower mold base; 12, First cooling structure; 13, Extrusion structure; 130, Extrusion drive; 131, Extrusion rod; 132, Hydraulic system; 20, Middle mold; 21, First sliding structure; 22, Second sliding structure; 220, First mounting bracket; 221, First drive; 222, First slider; 2220, First sprue; 2221, Heating channel; 23, Third sliding structure; 24, Fourth sliding structure; 240, Second mounting bracket; 241, Second drive; 242, Second slider; 2420, Second sprue; 243, Third drive; 244, Third slider; 25, Base; 250, Slide groove; 251, Lower mold core; 2510, Venting channel; 30, Upper mold; 31, Upper mold core; 32, Second cooling structure; 40, Cavity; 50, Wave plate. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] It should be noted that when a component is referred to as being "fixed" to another component, it can be directly on the other component or can be fixed thereto through an intervening component. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or can be connected thereto through another intervening component. When a component is referred to as being "disposed" on another component, it can be directly on the other component or can be disposed thereon through another intervening component. The terms "vertical," "horizontal," "left," "right," and similar terms as used herein are for purposes of description only.

[0030] Unless otherwise defined, 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 application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this description, the terms "therefore" and "because" are used in their causal sense, meaning "following as a consequence or logical result."

[0031] Referring to Figures 2 to 11 , the electric control box mold is used for manufacturing the electric control box 100 as shown in Figure 1 , the wall thickness of the electric control box 100 is uneven, the local wall thickness is thicker, the local wall thickness is thinner, and there are deep cavities and inclined surfaces.

[0032] The electric control box mold includes a lower mold 10, a middle mold 20, an upper mold 30, and a wave plate 50. The middle mold 20 and the upper mold 30 form a cavity 40 therebetween, and the cavity 40 is used to form the electric control box 100.

[0033] The lower mold 10 includes a lower mold base 11, a first point cooling structure 12, and an extrusion structure 13. The first point cooling structure 12 and the extrusion structure 13 are installed inside the lower mold base 11. The first point cooling structure 12 is in a plurality of numbers, and each first point cooling structure 12 is a vertically arranged cooling pipe. The end of the cooling pipe corresponds to the position of the wall thickness area of the electric control box 100. The wall thickness area at the bottom of the electric control box 100 is point-cooled through the first point cooling structure 12, which can balance the overall solidification sequence of the product.

[0034] The extrusion structure 13 includes an extrusion driving member 130, an extrusion rod 131, and a hydraulic system 132. The extrusion rod 131 is in transmission connection with the extrusion driving member 130. The extrusion driving member 130 drives the extrusion rod 131 to move in the vertical direction, extruding the two deep cavity columns of the wall thickness area of the electric control box 100, improving the density of the product, and reducing the probability of the generation of gas shrinkage holes. In this embodiment, the extrusion driving member 130 is a hydraulic oil cylinder, and the hydraulic system 132 is in communication with the hydraulic oil cylinder to supply oil to the hydraulic oil cylinder.

[0035] The middle mold 20 comprises a base 25 and a plurality of sliding structures mounted on the base 25, the sliding blocks of the plurality of sliding structures are slidingly mounted on the base 25, the end portions of the plurality of sliding blocks form the side walls of the cavity 40, and the top portions of the plurality of sliding blocks are provided with gates, so that the cavity 40 is fed from multiple sides, the material travel is shortened, and bubble generation is prevented.

[0036] Specifically, the number of sliding structures is four, and the four sliding structures are a first sliding structure 21, a second sliding structure 22, a third sliding structure 23, and a fourth sliding structure 24. The first sliding structure 21 is located at the gate opening, the second sliding structure 22 and the third sliding structure 23 are oppositely arranged and are respectively located on both sides of the gate opening, and the fourth sliding structure 24 is located on one side of the exhaust passage. The specific structures of the four sliding structures are substantially the same, and the difference lies in that the fourth sliding structure 24 is provided with two sliding blocks on the side wall of the cavity 40 corresponding to the fourth sliding structure 24.

[0037] Specifically, the second sliding structure 22 is taken as an example to illustrate the sliding structure:

[0038] The second sliding structure 22 comprises a first mounting frame 220, a first driving member 221, and a first sliding block 222. The first driving member 221 is fixed to the first mounting frame 220, the first sliding block 222 is slidingly mounted on the base 25, the first sliding block 222 is in transmission connection with the first driving member 221, and the first driving member 221 drives the first sliding block 222 to move. The first sliding block 222 is provided with a first gate 2220 at the top of one end close to the cavity 40, and the first gate 2220 is located on the side of the cavity 40. The first sliding block 222 is provided with a heating passage 2221 inside one end close to the cavity 40, and the heating passage 2221 heats the first sliding block 222 through mold temperature oil, so that the thin part of the side wall of the electric control box in the cavity 40 is heated, the rapid cooling of the thin part is avoided, the overall solidification sequence is controlled, and bubble generation is avoided.

[0039] The fourth sliding structure 24 comprises a second mounting frame 240, a second driving member 241, a second sliding block 242, a third driving member 243, and a third sliding block 244. The second driving member 241 is fixed to the second mounting frame 240, the second sliding block 242 is in transmission connection with the second driving member 241, the third driving member 243 is in transmission connection with the third sliding block 244, the third sliding block 244 is slidingly mounted on the second sliding block 242, the second sliding block 242 is horizontally arranged, the third sliding block 244 is obliquely arranged, and the second sliding block 242 and the third sliding block 244 correspond to the inclined structure arranged on the side wall of the electric control box 100.

[0040] The base 25 comprises a lower mold core 251, the lower mold core 251 forms the bottom wall of the cavity 40, and two exhaust passages 2510 are arranged at the top of one side of the lower mold core 251. The base 25 is also provided with four sliding grooves 250, and the four sliding grooves 250 correspond to the four side walls of the cavity 40. The sliding grooves 250 are used for mounting the sliding blocks.

[0041] The upper die 30 comprises an upper die core 31 for forming a top of the cavity 40 and a plurality of second point cooling structures 32, each of which is a cooling pipe arranged vertically, and the end of the cooling pipe corresponds to the position of the thick wall area of the control box 100, so that the thick wall area of the bottom of the control box 100 is point-cooled by the second point cooling structure 32, thereby balancing the overall solidification sequence of the product.

[0042] The number of the wave plates 50 is two, and the two wave plates 50 are respectively communicated with the two air passages 2510 and are symmetrically arranged with respect to the cavity 40.

[0043] When the control box mold is used, the liquid material enters from the gate, enters the cavity 40 from the gate on the three sides of the cavity 40, and solidifies in the cavity 40, and during the solidification process, the end of the cooling pipe of the first point cooling structure 12 and the second point cooling structure 32 corresponds to the position of the thick wall area of the control box 100, so that the thick wall area of the bottom of the control box 100 is point-cooled by the first point cooling structure 12, thereby balancing the overall solidification sequence of the product. The heating channel 2221 heats the slide block through the mold temperature oil, so that the thin side wall of the control box in the cavity 40 is heated, thereby controlling the overall solidification sequence and avoiding the generation of bubbles. The extrusion driving part 130 drives the extrusion rod 131 to move in the vertical direction, extrudes the two deep cavity columns of the thick wall area of the control box 100, improves the density of the product, and reduces the probability of generating air shrinkage holes. The wave plate 50 performs vacuumizing to reduce the gas content in the cavity 40.

[0044] The above embodiments only express several embodiments of the utility model, and the description is more specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of deformations and improvements can be made, which are equivalent modifications and evolutions of the above embodiments according to the essential technical of the utility model, and these all belong to the protection scope of the utility model.

Claims

1. An electrical control box mold comprising a middle mold and an upper mold, the middle mold and the upper mold forming a cavity therebetween, characterized in that: The middle die comprises a base, a lower die core and a plurality of sliding structures, the lower die core is fixed to the base, the base is provided with a plurality of sliding grooves, the plurality of sliding grooves are distributed around the lower die core, each sliding structure is slidingly installed in the sliding groove, each sliding structure comprises a driving member, a sliding block in transmission connection with the driving member, the driving member drives the sliding block to slide along the sliding groove, the end of the sliding block forms a side wall of the cavity, and the top of the sliding block is provided with a sprue so that at least two sides of the cavity are in communication with the sprue to realize feeding in multiple directions.

2. The electrical control box mold of claim 1, wherein: The number of the sliding structures is four, and the four sliding structures are respectively located at four sides of the cavity and form four side walls of the cavity.

3. The electrical control box mold of claim 1, wherein: The four sliding structures are respectively a first sliding structure, a second sliding structure, a third sliding structure and a fourth sliding structure, the fourth sliding structure comprises a second mounting frame, a second driving member, a second sliding block, a third driving member and a third sliding block, the second driving member is fixed to the second mounting frame, the second sliding block is in transmission connection with the second driving member, the third sliding block is in transmission connection with the third driving member, and the third sliding block is slidingly installed in the second sliding block and can be extended out of the second sliding block.

4. The electrical control box mold of claim 3, wherein: The third sliding block is obliquely arranged.

5. The electrical control box mold of claim 1, wherein: The sliding block is internally provided with a heating channel, and the position of the heating channel corresponds to a thin side wall of the electric control box in the cavity.

6. The electrical control box mold of claim 1, wherein: The electric control box mold further comprises a point cooling structure, and the position of the point cooling structure corresponds to a thick wall area of the electric control box in the cavity.

7. The electrical control box mold of claim 6, wherein: The electric control box mold further comprises a lower die, and the point cooling structure is arranged on the upper die and / or the lower die.

8. The electrical control box mold of claim 7, wherein: The number of the point cooling structures is a plurality, and each point cooling structure is a vertically arranged cooling pipe, and the end of the cooling pipe corresponds to the position of the thick wall area of the electric control box.

9. The electrical control box mold of claim 1, wherein: The electric control box mold further comprises an extrusion structure, the extrusion structure comprises an extrusion driving member and an extrusion rod in transmission connection with the extrusion driving member, and the position of the end of the extrusion rod corresponds to a deep cavity structure of the electric control box.

10. The electrical control box mold of claim 1, wherein: The electric control box mold further comprises two wave plates, the two wave plates are symmetrically arranged with respect to the cavity, and the lower die core is provided with two exhaust channels, one end of each exhaust channel is in communication with the cavity, and the other end is in communication with one wave plate.

Images