CN217916575U

CN217916575U - Injection mold for forming spacecraft base

Info

Publication number: CN217916575U
Application number: CN202221996396.6U
Authority: CN
Inventors: 陈伟
Original assignee: Zhejiang Huateng Electronics Co ltd
Current assignee: Zhejiang Huateng Electronics Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-11-29
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses an injection mold for shaping space flight electrical apparatus base, including setting up compound die core-pulling mechanism and two sets of moulds on the mould body, the compound die core-pulling mechanism includes first compound die subassembly, second compound die subassembly and third compound die subassembly, first compound die subassembly, second compound die subassembly and third compound die subassembly have two respectively and are close to or keep away from the first pellet that two sets of mould directions removed, second pellet and third pellet, two first pellets, second pellet and third pellet link to each other when being close to two sets of moulds removal and form the closure, surround two sets of model chambeies of two sets of moulds. The injection mold adopting the technical scheme can complete injection molding of two groups of products at one time, improves the production efficiency, utilizes the closed mold cavity formed by the first core block, the second core block and the third core block around the mold, improves the injection molding strength of the products, can effectively prevent the outer wall of the products from deforming, and ensures that the product quality is qualified.

Description

Injection mold for forming spacecraft base

Technical Field

The utility model relates to an injection mold technical field, concretely relates to injection mold for shaping space flight electrical apparatus base.

Background

The injection mold is a common mold for molding plastic parts, and various plastic parts can be molded through the injection mold so as to meet various requirements of people. Plastic injection molding is an excellent process for producing plastic articles in large quantities at low cost, and is also an indispensable process technology for developing high-tech goods.

The aerospace electrical appliance base is manufactured by injection molding of the whole product through an injection mold, the aerospace electrical appliance is used as an electric connector, the wall thickness of the aerospace electrical appliance base is designed to be very thin according to requirements, the wall thickness is only 0.8mm, the existing injection mold meets the production design requirements, the product is often subjected to injection molding by adopting a core pulling mode, the injection molding difficulty of the traditional injection mold is improved, the deformation condition of the outer wall of the product is easy to occur if the injection molding strength is not enough, the product quality is unqualified, the traditional mold cannot meet the injection molding production requirements of multiple groups of aerospace electrical appliance bases, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to overcome the not enough of existence among the prior art to provide an improve product injection strength, prevent that the product outer wall from taking place the deformation condition, improve production efficiency's an injection mold for shaping space flight electrical apparatus base.

In order to solve the technical problem, the utility model provides an injection mold for shaping space flight electrical apparatus base, be in including mould body and setting the compound die mechanism of loosing core on the mould body, be provided with two sets of moulds in the mould body relatively, the compound die mechanism of loosing core is including setting up two sets ofly first compound die subassembly between the mould, and the relative second compound die subassembly that sets up in the first compound die subassembly left and right sides to and set up the third compound die subassembly in first compound die subassembly front and back both sides relatively, first compound die subassembly, second compound die subassembly and third compound die subassembly have respectively two and are close to or keep away from two sets ofly first pellet, second pellet and the third pellet that the mould direction removed, two first pellets set up relatively respectively with two second pellets, and two third pellets cooperate respectively to peg graft between two first pellets and two second pellets, make two first pellets, second pellet and third pellet be close to two sets of mould two sets of cavities that mould continuous formation closed, surround two sets of moulds during the mould removes.

Preferably, two first core blocks and two second core blocks are respectively connected to form two groups of slot openings with openings facing two third core blocks, and each third core block is provided with a group of lug structures inserted into the group of slot openings on the same side.

Preferably, the first core block and the second core block are arranged in parallel, the third core block is perpendicular to the first core block, and the first core block and the second core block which are opposite move towards each other when approaching the mold and move away from the mold.

As a preferable scheme, the first die assembly, the second die assembly and the third die assembly respectively comprise a first pushing block, a second pushing block and a third pushing block which are used for driving the first core block, the second core block and the third core block to reciprocate, and the first pushing block, the second pushing block and the third pushing block are respectively connected with an air cylinder or a hydraulic cylinder.

Preferably, the first pushing block is arranged between the two first core blocks in a moving manner along a direction perpendicular to the bottom of the mold body, and a movement guide structure is arranged between the first pushing block and the two first core blocks, so that when the first pushing block moves upwards, the first pushing block drives the two first core blocks to move in a direction away from the two sets of molds, and when the first pushing block moves downwards, the first pushing block drives the two first core blocks to move in a direction close to the two sets of molds.

As a preferred scheme, the motion guide structure includes setting up two relatively on the first core piece two direction chutes, and follow the incline direction of direction chute extends the setting and is in two spacing spouts of direction chute both sides lateral wall, and the symmetry sets up on the first ejector pad and with two gliding inclined plane sliders of direction chute cooperation, inclined plane slider both sides are provided with two spacing chimbs of sliding insertion at two spacing spouts.

Preferably, the two guide chutes are opposite to each other to form a groove section suitable for accommodating the first push block, and the cross section of the groove section is in an inverted trapezoidal structure.

Preferably, the first core block and the second core block are respectively provided with a core pulling rod penetrating into the mold cavity.

Preferably, a spacing space is formed between the second clamping module and the third clamping module and surrounds the first clamping module; the number of the dies is four on the die body, and the dies are divided into two groups in a pairwise opposite mode.

Compared with the prior art, the utility model has the advantages that:

1. the utility model provides an among the injection mold for shaping space flight electrical apparatus base, first compound die subassembly, second compound die subassembly and third compound die subassembly have constituted compound die mechanism of loosing core, and have respectively to being close to or keeping away from the first pellet that two sets of mould directions removed, second pellet and third pellet, when the compound die operation, through first pellet, second pellet and third pellet closure link to each other and form two sets of model chambers that surround two sets of moulds, this kind of two sets of model chambers can injection moulding go out two sets of space flight electrical apparatus base products, adopt this technical scheme's advantage lies in, utilize the mould to be the inner chamber part that is used for shaping this to mould a product, and utilize first pellet, second pellet and third pellet are the appearance part that is used for shaping this plastic product around the closed die cavity that the mould constitutes, the design has both improved the injection strength of product like this, can prevent effectively that the product outer wall from taking place the deformation condition again, guarantee that product quality is qualified, thereby can satisfy the very thin requirement of space flight electrical apparatus base product design, this kind of first compound die subassembly, second subassembly and third compound die subassembly coordinate the back through the reasonable optimization structure, each is convenient to open and draw the die to put up the production efficiency, it improves in order to make the production.

2. The utility model provides an among the injection mold for shaping space flight electrical apparatus base, through being provided with two relative direction chutes on two first cores, extend along its incline direction on the both sides lateral wall of this direction chute and be provided with two spacing spouts, first ejector pad has two inclined plane sliders that slide and insert in two direction chutes, and is provided with two spacing chimbs of sliding connection in two spacing spouts on inclined plane slider both sides lateral wall, and the benefit of design like this lies in, when first ejector pad moves down perpendicularly, makes inclined plane slider glide along the direction chute and pushes away on spacing spout through the crowded of spacing chimb slope slip to promote two first cores to move towards respectively being close to two sets of moulds directions; and when the first push block vertically moves upwards, the inclined plane slide block slides upwards along the guide chute and pushes the guide chute in an extruding way through the limit convex edge in an inclined sliding way, so that the two first core blocks are pushed to move towards the direction away from the two groups of dies respectively, the movement and force of the first push block are converted into the relative movement of the two core blocks through the matching transmission of the inclined plane slide block and the guide chute, and the matching transmission is designed to be reliable.

Drawings

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

FIG. 1 is a schematic structural view of an injection mold for molding a base of an aerospace electrical appliance according to the present invention;

fig. 2 is a schematic structural diagram of the mold closing and core pulling mechanism of the present invention;

FIG. 3 is a schematic plan view of the matched-die core-pulling mechanism of FIG. 2;

fig. 4 is a schematic view of a split structure of the first mold clamping assembly of the present invention;

description of reference numerals: 1. a first clamp assembly; 11. a first core block; 12. a first push block; 2. a second clamp assembly; 21. a second core block; 22. a second push block; 3. a third mold closing assembly; 31. a third core block; 32. a third push block; 33. a bump structure; 4. a mold cavity; 5. a guide chute; 51. a limiting chute; 6. a bevel slider; 61. a limiting convex edge; 7. a mold; 8. drawing the core rod; 9. a mold body.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

The embodiment provides an injection mold for molding a base of an aerospace electrical appliance as shown in fig. 1-4, which includes a mold body 9 and a mold closing and core pulling mechanism arranged on the mold body 9, wherein two sets of molds 7 are oppositely arranged in the mold body 9, the mold closing and core pulling mechanism includes a first mold closing component 1 arranged between the two sets of molds 7, second mold closing components 2 oppositely arranged on the left and right sides of the first mold closing component 1, and third mold closing components 3 oppositely arranged on the front and rear sides of the first mold closing component 1, the second mold closing component 2, and the third mold closing component 3 respectively have two first core blocks 11, second core blocks 21, and third core blocks 31 which move close to or away from the two sets of molds 7, the two first core blocks 11 and the two second core blocks 21 are respectively arranged oppositely, and the two third core blocks 31 are respectively matched between the two first core blocks 11 and the two second core blocks 21, so that the two sets of molds 7 move close to form two sets of mold cavities 4 which surround the two sets of molds 7 when the two sets of molds move.

In the above embodiment, the first mold closing assembly 1, the second mold closing assembly 2 and the third mold closing assembly 3 form a mold closing and core pulling mechanism, and are respectively provided with the first core block 11, the second core block 21 and the third core block 31 which move towards or away from the two sets of molds 7, when the mold closing operation is performed, the first core block, the second core block and the third core block are closed and connected to form the two sets of mold cavities 4 which surround the two sets of molds 7, and the two sets of mold cavities 4 can be used for injection molding two sets of aerospace electrical appliance base products.

As shown in fig. 1-2, a limiting space is formed between the second mold closing assembly 2 and the third mold closing assembly 3, the first mold closing assembly 1, the second mold closing assembly 2, and the third mold closing assembly 3 respectively include a first pushing block 12, a second pushing block 22, and a third pushing block 32 for driving the first core block, the second core block, and the third core block to reciprocate, the first pushing block 12, the second pushing block 22, and the third pushing block 32 are respectively connected to an air cylinder or a hydraulic cylinder, the air cylinder or the hydraulic cylinder respectively drives the first pushing block, the second pushing block, and the third pushing block to reciprocate and further drive the first core block, the second core block, and the third core block to respectively move, wherein the moving directions of the first core block 11 and the second core block 21 are parallel, the moving direction of the third core block 31 is perpendicular to the moving direction of the first core block 11, and the opposite first core block 11 and the second core block 21 move toward each other when approaching the mold 7, and move away from the mold 7. During mold closing operation, the first core block, the second core block and the third core block are closed together to form two closed groups of mold cavities 4, during mold opening operation, the first core block 11, the second core block 21 and the third core block 31 are separated to open the two groups of mold cavities 4, so that injection-molded base products of the aerospace electrical appliances can be taken out smoothly, four mold bodies 9 are provided with four mold bodies 7, the mold bodies are divided into two groups in pairs, the corresponding mold cavities 4 are also provided with four mold cavities, and the injection mold can meet the injection molding requirements of four aerospace electrical appliance bases at one time.

As a specific structural arrangement, two first core blocks 11 and two second core blocks 21 are respectively connected to form two groups of slots with openings facing two third core blocks 31, each third core block 31 has a group of bump structures 33 inserted into the group of slots on the same side, and when the first pushing block 12 and the second pushing block 22 drive the first core block 11 and the second core block 21 to abut against each other, the third pushing block 32 drives the bump structures of the third core blocks 31 to be inserted into the slots, so that a closed model cavity is formed among the first core block, the second core block and the third core block, and the wall thickness of the base of the aerospace electrical apparatus is made to be 0.8mm through the model cavity.

As shown in fig. 2 to 4, the first pushing block 12 is disposed between the two first core blocks 11 in a direction perpendicular to the bottom of the mold body 9, and a motion guide structure is disposed between the first pushing block 12 and the two first core blocks 11, so that when the first pushing block 12 moves upward, the two first core blocks 11 are driven to move away from the two sets of molds 7, and when the first pushing block moves downward, the two first core blocks 11 are driven to move toward the two sets of molds 7. As a specific structure setting, the motion guide structure is including setting up two relatively two last two guide chutes 5 of first pellet 11, and follow the incline direction of guide chute 5 extends the setting and is in two spacing spouts 51 of 5 both sides lateral walls of guide chute, and the symmetry sets up on the first ejector pad 12 and with two slide blocks 6 of two guide chute 5 cooperation gliding inclined planes, 6 both sides of slide block are provided with two spacing chimbs 61 that slide insertion was at two spacing spouts 51, and two relative formation of guide chute 5 are fit for holding the groove section of first ejector pad 12, the cross-section of groove section is the structure of falling trapezium. With the structural arrangement, when the first pushing block 12 moves vertically downwards, the inclined plane sliding block 6 slides downwards along the guide chute 5 and pushes the limiting sliding chute 51 through the limiting convex edge 61 in an inclined sliding manner, so that the two first core blocks 11 are pushed to move towards the direction close to the two groups of molds 7 respectively; and when the first pushing block 12 moves vertically upwards, the inclined plane sliding block 6 slides upwards along the guide chute 5 and pushes the limiting sliding chute 51 through the limiting convex edge 61 in an inclined sliding manner, so that the two first core blocks 11 are pushed to move towards the direction away from the two groups of dies 7 respectively, and the movement and force of the first pushing block 12 are converted into the relative movement of the two core blocks through the matching transmission of the inclined plane sliding block and the guide chute, and the matching transmission is designed to be reliable.

According to the technical scheme, two insertion slots are formed in the side walls of the two sides of the base of the aerospace electrical appliance, and in order to form the two insertion slots in the injection molding process, the first core block 11 and the second core block 21 are respectively provided with a core pulling rod 8 penetrating into the model cavity 4.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides an injection mold for shaping space flight electrical apparatus base, includes mould body (9) and sets up compound die mechanism of loosing core on mould body (9), relatively be provided with two sets of moulds (7) in mould body (9), its characterized in that: the die assembly and core pulling mechanism comprises a first die assembly (1) arranged between two groups of dies (7), second die assembly components (2) oppositely arranged on the left side and the right side of the first die assembly component (1), and third die assembly components (3) oppositely arranged on the front side and the rear side of the first die assembly component (1), wherein the first die assembly component (1), the second die assembly component (2) and the third die assembly components (3) are respectively provided with a first core block (11), a second core block (21) and a third core block (31) which are close to or far away from the two groups of dies (7) and move in the direction, the two first core blocks (11) and the two second core blocks (21) are respectively arranged oppositely, and the two third core blocks (31) are respectively matched and inserted between the two first core blocks (11) and the two second core blocks (21) to ensure that the two first core blocks (11), the second core blocks (21) and the third core blocks (31) are close to the two groups of dies (7) and are connected to form two groups of closed die cavities (4) which surround the two groups of dies (7) when the dies move.

2. An injection mold for forming an aerospace vehicle base as claimed in claim 1, wherein: when the two first core blocks (11) and the two second core blocks (21) are respectively connected, two groups of slot openings which are opened towards the two third core blocks (31) are formed, and each third core block (31) is provided with a group of lug structures (33) inserted in the group of slot openings on the same side.

3. An injection mold for forming an aerospace vehicle base as claimed in claim 2, wherein: the moving directions of the first core block (11) and the second core block (21) are arranged in parallel, the moving direction of the third core block (31) is perpendicular to the moving direction of the first core block (11), and the opposite first core block (11) and the second core block (21) move towards each other when approaching the mold (7) and move backwards when departing from the mold (7).

4. An injection mold for forming an aerospace vehicle base as claimed in claim 3, wherein: the first die assembly (1), the second die assembly (2) and the third die assembly (3) respectively comprise a first pushing block (12), a second pushing block (22) and a third pushing block (32) which are used for driving the first core block, the second core block and the third core block to reciprocate, and the first pushing block (12), the second pushing block (22) and the third pushing block (32) are respectively connected with an air cylinder or a hydraulic cylinder.

5. An injection mold for forming an aerospace vehicle base as claimed in claim 4, wherein: the first push block (12) is arranged between the two first core blocks (11) in a moving mode in a direction perpendicular to the bottom of the die body (9), a movement guide structure is arranged between the first push block (12) and the two first core blocks (11), so that when the first push block (12) moves upwards, the two first core blocks (11) are driven to move towards a direction far away from the two sets of dies (7), and when the first push block (12) moves downwards, the two first core blocks (11) are driven to move towards a direction close to the two sets of dies (7).

6. An injection mold for forming an aerospace vehicle base as claimed in claim 5, wherein: motion guide structure is including setting up two relatively two direction chute (5) on first core piece (11), and follow the incline direction of direction chute (5) extends to set up two spacing spout (51) of direction chute (5) both sides lateral wall, and the symmetry sets up on first ejector pad (12) and with two gliding inclined plane sliders (6) of direction chute (5) cooperation, inclined plane slider (6) both sides are provided with two spacing chimbs (61) of slip insertion at two spacing spout (51).

7. An injection mold for forming an aerospace vehicle base as claimed in claim 6, wherein: the two guide chutes (5) are opposite to each other to form a groove section suitable for containing the first push block (12), and the section of the groove section is of an inverted trapezoidal structure.

8. An injection mold for forming an aerospace vehicle base as claimed in claim 7, wherein: and the first core block (11) and the second core block (21) are respectively provided with a core pulling rod (8) penetrating into the model cavity (4).

9. An injection mould for forming a spacecraft base according to any of claims 1 to 8, wherein: a limit space arranged around the first clamping assembly (1) is formed between the second clamping assembly (2) and the third clamping assembly (3); the number of the dies (7) is four on the die body (9), and the dies are divided into two groups in pairs in an opposite mode.