CN219968675U

CN219968675U - Plastic die for current coil rack

Info

Publication number: CN219968675U
Application number: CN202321049444.5U
Authority: CN
Inventors: 韩京轩; 刘继鑫
Original assignee: Kaihua Qianjiangyuan High End Equipment Research Institute
Current assignee: Kaihua Qianjiangyuan High End Equipment Research Institute
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-11-07
Anticipated expiration: 2033-05-05

Abstract

The utility model relates to a plastic die for a current coil rack, and belongs to the technical field of plastic product production. Solves the problem that most of the existing dies are difficult to demould. Including support, backup pad, core fixed plate, push away a board, the spacer, the push pedal, the push rod, the intermediate lamella, the fixed die plate, the runner cover, first core and second core, the support symmetry sets up, set up the push pedal between the support, support upper mounting support plate, the core fixed plate, first core and second core are connected to the core fixed plate, process the die cavity on pushing away the piece, the push rod is connected with the push pedal, the push rod passes the backup pad, the core fixed plate, the push rod board cooperates with the die cavity, the fixed die plate is connected with the spacer, fixed die plate mid-mounting runner cover, the fixed die plate below sets up the intermediate lamella, processing through-hole on the intermediate lamella, the intermediate lamella edge has the spacer, the processing slide hole in spacer lower part, the spacer is connected with the slide hole. The pouring gate is broken, the push rod pushes the finished product to move upwards, the finished product is separated from the cavity, and the quick demoulding is realized, so that the operation is convenient.

Description

Plastic die for current coil rack

Technical Field

The utility model relates to a coil former die, and belongs to the technical field of plastic product production.

Background

The molding of plastic products is an important link in which plastics become products with practical value. Plastic molding processes have reached more than 40, of which injection, extrusion, blow molding, compression, etc. are the most important. They account for almost 85% of the overall plastic molding; the injection is especially prominent, and accounts for more than 30% of the plastic molding. Most of the molds have a problem of difficult demolding.

Therefore, it is needed to provide a plastic mold for a current coil former to solve the above technical problems.

Disclosure of Invention

The present utility model has been developed to solve the problem of difficulty in demolding most existing molds, and a brief overview of the utility model is given below in order to provide a basic understanding of certain aspects of the utility model. It should be understood that this summary is not an exhaustive overview of the utility model. It is not intended to identify key or critical elements of the utility model or to delineate the scope of the utility model.

The technical scheme of the utility model is as follows:

the utility model provides a current coil frame plastic mold, including support, backup pad, core fixed plate, push away a board, the spacer, the distance board, the push pedal, the push rod, the intermediate lamella, the fixed die plate, the runner cover, first core and second core, two the support symmetry sets up, sliding arrangement is provided with the push pedal between two supports, support upper portion erection bracing board, install the core fixed plate in the backup pad, the middle part fixedly connected with first core and the second core of core fixed plate, it has the die cavity to push away processing on the piece board, the upper end of first core and second core sets up in the die cavity, the one end and the push pedal of push rod are connected, the other end of push rod passes the backup pad in order, the core fixed plate, push away a board and the cooperation is established with the die cavity, the fixed die lamella is connected with the distance board, the mid-mounting runner cover of fixed die plate, the below of fixed die plate sets up the intermediate lamella is processed to have the through-hole, the runner cover corresponds the setting with the through-hole, the edge of intermediate lamella has the spacer, the lower part processing of distance board has the slide opening, and the spacer is located the both sides of pushing away a board, spacing round pin and slide connection.

Preferably: the support is connected with the support plate through the second screw.

Preferably: still include first guide pillar, spring and second guide pillar, processing has first slide hole and first through-hole on the intermediate lamella, processing has the second slide hole on the core fixed plate, first guide pillar lower part and core fixed plate fixed connection, the upper portion of first guide pillar passes the ejector pad and establishes the cooperation with first slide hole, the upper portion and the fixed die plate fixed connection of second guide pillar, the lower part of second guide pillar passes first through-hole in order, ejector pad and second slide hole establish the cooperation, the spring suit is on the second guide pillar, and the upper end and the intermediate lamella of spring are connected, the lower extreme and the ejector pad of spring establish the cooperation.

Preferably: the sliding sleeve is arranged in the first sliding hole and the second sliding hole.

Preferably: still include push rod fixed plate and first screw, the one end setting of push rod is between push pedal, push rod fixed plate, and push pedal and push rod fixed plate pass through first screw connection.

Preferably: the upper end surfaces of the first core and the second core are in the same plane with the upper end surface of the pushing plate.

Preferably: the push rod is in sliding connection with the support plate, the core fixing plate and the pushing piece plate, and the second guide pillar is in sliding connection with the pushing piece plate.

Preferably: the through hole of intermediate lamella is the bell mouth, and the runner cover middle part has the bell mouth, and the side contained angle of bell mouth is alpha, alpha=4, and the through hole forms the pressure boost chamber with the bell mouth of runner cover, and the upper portion of runner cover has the hemisphere hole, and the bell mouth communicates with the hemisphere hole.

The utility model has the following beneficial effects:

according to the utility model, the fixed template drives the distance plate to move upwards, after the limiting pin is contacted with the bottom surface of the sliding hole, the middle plate moves upwards, the middle plate is separated from the pushing piece plate, the current coil frame clamps the first core and the second core, a double parting surface plastic mold structure is adopted, the pouring gate is broken in the first parting process, the pushing plate drives the push rod to move upwards, the push rod pushes the edge of the current coil frame to move upwards, the current coil frame is separated from the cavity, and the quick demoulding is realized, and the operation is convenient.

Drawings

FIG. 1 is a schematic view of the structure of a plastic mold for a current bobbin;

FIG. 2 is a schematic structural view of a sprue bush;

FIG. 3 is a front view of the current bobbin;

FIG. 4 is a bottom view of the current bobbin;

fig. 5 is a cross-sectional view A-A of fig. 1.

In the figure: the mold comprises a 1-bracket, a 2-supporting plate, a 3-core fixing plate, a 4-pushing piece plate, a 5-first guide pillar, a 6-limiting pin, a 7-spring, an 8-distance plate, a 9-pushing plate, a 10-pushing rod fixing plate, an 11-pushing rod, a 12-second guide pillar, a 13-middle plate, a 14-fixed template, a 15-sprue bush, a 16-first core, a 17-second core, a 18-first screw, a 19-second screw and a 20-guide sleeve.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

The connection mentioned in the utility model is divided into a fixed connection and a detachable connection, wherein the fixed connection is a conventional fixed connection mode such as a non-detachable connection including but not limited to a hemmed connection, a rivet connection, an adhesive connection, a welded connection and the like, the detachable connection is a conventional detachable mode such as a threaded connection, a snap connection, a pin connection, a hinge connection and the like, and when a specific connection mode is not limited explicitly, at least one connection mode can be found in the conventional connection mode by default, so that the function can be realized, and a person skilled in the art can select the device according to needs. For example: the fixed connection is welded connection, and the detachable connection is hinged connection. Injection molding is a method of molding thermoplastics in which almost all thermoplastics can be molded, and some thermosets can be injection molded

The first embodiment is as follows: the current coil frame plastic mould of the embodiment is described by combining with fig. 1-5, and comprises a bracket 1, a supporting plate 2, a core fixing plate 3, a pushing plate 4, a limiting pin 6, a distance plate 8, a pushing plate 9, a push rod 11, a middle plate 13, a fixed die plate 14, a sprue bush 15, a first core 16 and a second core 17, wherein the two brackets 1 are symmetrically arranged, the push plate 9 is arranged between the two brackets 1 in a sliding manner, the supporting plate 2 is arranged at the upper part of the bracket 1, the core fixing plate 3 is detachably arranged on the supporting plate 2, the middle part of the core fixing plate 3 is fixedly connected with the first core 16 and the second core 17, a cavity is formed in the pushing plate 4, the pushing plate 4 is detachably arranged on the core fixing plate 3, the cavity and the core adopt a part splicing structure, the maintenance is convenient, the upper ends of the first core 16 and the second core 17 are arranged in the cavity, the core fixing plate 3, the pushing plate 4, the middle plate 13, the first core 16 and the second core 17 are respectively made of 45 steel, 15 steel is formed, the service life is greatly prolonged, the supporting plate 11 and the surface of the push plate 2 are detachably arranged on the supporting plate 2, the middle part of the push plate 4 is provided with a through hole 14 which is matched with the middle plate 8, the side of the distance plate 4 is provided with the middle plate 6, the side of the sliding plate 4 is provided with the middle hole 6, the end of the sliding plate is provided with the middle hole 14, the end of the sliding plate is provided with the middle hole 13, and the end of the fixed pin is matched with the middle plate is provided with the middle plate 13, and the end of the fixed plate 13, and the end is provided with the through the 3, and is provided with through the hole is provided with the through the 3 with the through hole is 6 and has through the 3 and has through the hole is 6 and has through the 3 and through hole is 13 and has through the 3 and has through hole is respectively; after molding, the fixed template 14 is made to drive the distance plate 8 to move upwards, after the limiting pin 6 is contacted with the bottom surface of the sliding hole, the middle plate 13 is made to move upwards, the middle plate 13 is separated from the pushing plate 4, the current coil rack clamps the first core 16 and the second core 17, a double-parting-surface molding structure is adopted, the pouring gate is broken by pulling in the first parting, the push plate 9 drives the push rod 11 to move upwards, the push rod 11 pushes the edge of the current coil rack to move upwards, the current coil rack is separated from the cavity, quick demolding is realized, the operation is convenient, and the quality of the current coil rack is not influenced.

The second embodiment is as follows: the current bobbin plastic mold of the present embodiment, which will be described with reference to fig. 1 to 5, further includes a second screw 19, and the bracket 1 is coupled to the support plate 2 by the second screw 19.

And a third specific embodiment: referring to fig. 1 to 5, the current coil former plastic mold of the present embodiment further includes a first guide post 5, a spring 7, and a second guide post 12, a first sliding hole and a first through hole are formed in the middle plate 13, a second sliding hole is formed in the core fixing plate 3, the lower portion of the first guide post 5 is fixedly connected with the core fixing plate 3, the upper portion of the first guide post 5 passes through the ejector plate 4 to be matched with the first sliding hole, the upper portion of the second guide post 12 is fixedly connected with the fixed die plate 14, the lower portion of the second guide post 12 sequentially passes through the first through hole, the ejector plate 4 is matched with the second sliding hole, the spring 7 is sleeved on the second guide post 12, the upper end of the spring 7 is connected with the middle plate 13, and the lower end of the spring 7 is matched with the ejector plate 4; the first guide post 5 and the second guide post 12 are made of 20 steel or t8, the guide parts of the guide posts are usually in clearance fit with H7/57 or H8/57, and the first guide post 5 and the second guide post 12 play a role in positioning and guiding in the movement of the middle plate 13 and the fixed die plate 14 and bear a certain side pressure.

The specific embodiment IV is as follows: referring to fig. 1 to 5, the current coil former plastic mold of the present embodiment further includes a guide sleeve 20, wherein the guide sleeve 20 is disposed in each of the first sliding hole and the second sliding hole, and the ends of the first guide post 5 and the second guide post 12 are frustum-shaped or hemispherical, so that the current coil former plastic mold can smoothly enter the guide sleeve 20.

Fifth embodiment: the current coil former plastic mold of the present embodiment is described with reference to fig. 1 to 5, and further includes a push rod fixing plate 10 and a first screw 18, wherein one end of the push rod 11 is disposed between the push plate 9 and the push rod fixing plate 10, and the push plate 9 is connected to the push rod fixing plate 10 by the first screw 18.

Specific embodiment six: the current bobbin plastic mold of the present embodiment will be described with reference to fig. 1 to 5, in which the upper end surfaces of the first core 16 and the second core 17 are flush with the upper end surface of the stripper plate 4.

Seventh embodiment: referring to fig. 1 to 5, the plastic die for a current coil bobbin according to the present embodiment is described, wherein a push rod 11 is slidably connected to a support plate 2, a core fixing plate 3, and a stripper plate 4, and a second guide post 12 is slidably connected to the stripper plate 4.

Eighth embodiment: referring to fig. 1-5, in the current coil former plastic mold of this embodiment, the through hole of the middle plate 13 is a tapered hole, the middle part of the sprue bush 15 has a tapered hole, the side angle of the tapered hole is α, α=4°, the through hole and the tapered hole of the sprue bush 15 form a pressurizing cavity, the upper part of the sprue bush 15 has a hemispherical hole, the tapered hole is communicated with the hemispherical hole, and the molding efficiency is improved by adopting a sprue gate form; the pressure is low, the deformation of the product is small, the raw materials are saved, and the production rate of the product is improved, so that the cost is greatly reduced, and the hemispherical hole has a liquid storage function.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

It should be noted that, in the above embodiments, as long as the technical solutions that are not contradictory can be arranged and combined, those skilled in the art can exhaust all the possibilities according to the mathematical knowledge of the arrangement and combination, so the present utility model does not describe the technical solutions after the arrangement and combination one by one, but should be understood that the technical solutions after the arrangement and combination have been disclosed by the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Electric current coil frame plastic mold, its characterized in that: comprises a bracket (1), a supporting plate (2), a core fixing plate (3), a pushing piece plate (4), a limiting pin (6), a distance plate (8), a push plate (9), a push rod (11), a middle plate (13), a fixed die plate (14), a sprue bush (15), a first core (16) and a second core (17), wherein the two brackets (1) are symmetrically arranged, the push plate (9) is slidably arranged between the two brackets (1), the supporting plate (2) is arranged at the upper part of the bracket (1), the core fixing plate (3) is arranged on the supporting plate (2), the first core (16) and the second core (17) are fixedly connected at the middle part of the core fixing plate (3), a cavity is processed on the pushing piece plate (4), the upper ends of the first core (16) and the second core (17) are arranged in the cavity, one end of the push rod (11) is connected with the push plate (9), the other end of the push rod (11) sequentially penetrates through the supporting plate (2), the core fixing plate (3), the pushing piece plate (4) is matched with the cavity, the fixed die plate (14) is connected with the fixed die cavity, the middle part (14) is fixedly connected with the distance plate (8), the middle part (14) is provided with the middle part (13) of the fixed die plate (14), the middle part (13) is provided with the sprue bush (13), the sprue bush (15) is arranged corresponding to the through hole, the edge of the middle plate (13) is provided with a limiting pin (6), the lower part of the distance plate (8) is provided with a sliding hole, the distance plate (8) is positioned on two sides of the pushing piece plate (4), and the limiting pin (6) is in sliding connection with the sliding hole.

2. The current bobbin plastic mold of claim 1, wherein: the bracket (1) is connected with the supporting plate (2) through the second screw (19).

3. The current bobbin plastic mold of claim 1, wherein: still include first guide pillar (5), spring (7) and second guide pillar (12), processing has first slide hole and first through-hole on intermediate lamella (13), processing has the second slide hole on core fixed plate (3), first guide pillar (5) lower part and core fixed plate (3) fixed connection, push away piece board (4) and first slide hole establishment cooperation are passed on the upper portion of first guide pillar (5), the upper portion and the fixed template (14) fixed connection of second guide pillar (12), the lower part of second guide pillar (12) passes first through-hole in order, push away piece board (4) and second slide hole establishment cooperation, spring (7) suit is on second guide pillar (12), and the upper end and intermediate lamella (13) of spring (7) are connected, the lower extreme and the push away piece board (4) of spring (7) establish the cooperation.

4. A current bobbin plastic mould according to claim 3, wherein: the sliding guide sleeve (20) is arranged in the first sliding hole and the second sliding hole.

5. The current bobbin plastic mold of claim 1, wherein: the novel push rod device is characterized by further comprising a push rod fixing plate (10) and a first screw (18), wherein one end of the push rod (11) is arranged between the push plate (9) and the push rod fixing plate (10), and the push plate (9) is connected with the push rod fixing plate (10) through the first screw (18).

6. The current bobbin plastic mold of claim 1, wherein: the upper end surfaces of the first core (16) and the second core (17) are in the same plane with the upper end surface of the pushing plate (4).

7. The current bobbin plastic mold of claim 1, wherein: the push rod (11) is in sliding connection with the support plate (2), the core fixing plate (3) and the pushing piece plate (4), and the second guide post (12) is in sliding connection with the pushing piece plate (4).

8. The current bobbin plastic mold of claim 7, wherein: the through hole of intermediate lamella (13) is the bell mouth, and runner cover (15) middle part has the bell mouth, and the side contained angle of bell mouth is alpha, and alpha=4, and the bell mouth of through-hole and runner cover (15) forms the pressure boost chamber, and the upper portion of runner cover (15) has the hemisphere hole, and the bell mouth communicates with the hemisphere hole.