CN216506435U - Forming die of casing - Google Patents

Abstract

The utility model discloses a shell forming die which comprises an upper die plate and a lower die plate, wherein the upper die plate is provided with an upper die core, the lower die plate is provided with a lower die core, the lower die core is provided with a lower die sleeve, the lower die sleeve is provided with a lower die core, the upper die core, the lower die sleeve and the lower die core are combined to form a die cavity, a first insert, a second insert and a third insert positioned in the second insert are inserted into the upper die core, the second insert is inserted into the third insert, and the lower die core is provided with a first thread component penetrating through the lower die core. The utility model has the advantages that the first thread assembly, the first insert and the third insert can respectively form the first thread, the second thread and the third thread on the shell, the original twice processing technical scheme is replaced, the working efficiency is improved, the shell quality is improved, and the cost is reduced.

Description

Forming die of casing

Technical Field

The utility model relates to the field of injection molds, in particular to a forming mold of a shell.

Background

The injection molding method has the advantages of high production speed, high efficiency, automation in operation, various colors, shapes from simple to complex, sizes from large to small, accurate product size, easy product replacement, capability of forming products with complex shapes, and suitability for the fields of mass production, products with complex shapes and the like.

As shown in fig. 1 to 2, the structure of the casing includes a casing 01, a first thread 02 located in the casing, a second thread 03 located on the upper end surface of the casing, and a third thread 04, because a plurality of threads are difficult to be formed in a mold at one time and demolded smoothly, the original process scheme adopted by an enterprise when manufacturing the casing is to form a bottom hole of the thread first, and then the desired casing and thread are finally obtained by machining.

In view of the above problems, it is highly desirable for mold engineers to consider and propose effective solutions.

Disclosure of Invention

The present invention provides a mold for molding a housing, so as to solve the above problems in the background art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a forming die of casing, includes cope match-plate pattern, lower bolster, the cope match-plate pattern be provided with the mold core, the lower bolster be provided with lower mould benevolence, the lower mould benevolence be provided with lower die sleeve, lower die sleeve be provided with lower mold core, last mold core, lower mould benevolence, constitute the die cavity after lower mold core four make up, last mold core insert be equipped with first mold insert, second mold insert and be located the third mold insert of second mold insert, second mold insert and third mold insert peg graft, lower mold core be provided with the first screw thread subassembly that pierces through its self.

As a further improvement of the utility model, the first threaded assembly comprises a center post and a rotatable threaded post assembly, and the center post is rotatably connected with the threaded post assembly. The structural design is reasonable and standard, and enough structural strength can be guaranteed.

As a further improvement of the utility model, the center pillar is provided with a bottom plate assembly fixedly connected with the center pillar, the bottom plate assembly comprises an upper bottom plate and a lower bottom plate, and a support plate is fixedly arranged between the upper bottom plate and the lower bottom plate. The bottom plate component is used for supporting the movement of the lower template, and meanwhile, the connection with the equipment is convenient.

As a further improvement of the utility model, the threaded column assembly comprises a threaded column and a motor capable of driving the threaded column to rotate, and the threaded column and the motor are in rotary connection through a chain. The motor drives the threaded column to rotate, so that the automation of demolding can be realized, the shell is conveniently demoulded, and meanwhile, the labor intensity of workers can be reduced.

As a further improvement of the utility model, the threaded column is provided with an internal threaded part, the threaded column is inserted into the lower mold core, and a bush is arranged between the threaded column and the lower mold core. The internal thread part is used for forming the first thread on the shell, when the threaded column rotates for a long time, the situation of abrasion can occur, and then the abrasion gap can be compensated through the lining, so that the shell with qualified quality can be obtained.

As a further improvement of the utility model, the lower end part of the threaded column is sleeved with a rotating bearing, the outer ring of the rotating bearing is fixedly connected with the lower bottom plate, the threaded column is fixedly provided with a chain wheel connected with a chain, the chain wheel is rotatably connected with the upper bottom plate, and the central shafts of the rotating bearing, the chain wheel and the threaded column are the same. The rotating bearing is used for stabilizing the lower end of the stud column, the chain wheel positioned on the upper base plate is beneficial to stabilizing the middle upper end of the threaded column, and the structural design is beneficial to the threaded column to have a stable rotating center when rotating, so that the stable quality of the shell after the first thread is formed is ensured.

As a further improvement of the present invention, the first insert and the third insert are provided with male screw portions for molding. The external thread part is used for forming a second thread and a third thread which are positioned on the upper end surface of the shell.

As a further improvement of the utility model, the upper bottom plate and the lower bottom plate are provided with two ejector rods in a penetrating way. The equipment can make things convenient for the casing drawing of patterns with the lower bolster ejecting upwards through the ejector pin, and the quantity of ejector pin is two, and its effect is when guaranteeing the upward movement of lower bolster, and the both sides of lower bolster can keep balance when removing, ensures that the lower bolster can not incline, avoids the dead phenomenon of card.

As a further improvement of the utility model, the upper template is fixedly provided with a top plate, the top plate is provided with a feeding port, and the feeding port is communicated with the die cavity. The equipment passes through the roof, convenient and cope match-plate pattern be connected, and the sprue is used for being connected between equipment and the die cavity, and the molten raw and other materials liquid of being convenient for gets into the die cavity.

The working principle of the utility model is as follows:

when the die is closed, the upper die core positioned on the upper die plate, the lower die core positioned on the lower die plate, the lower die sleeve and the lower die core are combined to form a die cavity, so that a shell can be formed, the first insert and the third insert are used for forming a second thread and a third thread which are positioned on the upper end surface of the shell respectively, and the first thread component is used for forming a first thread positioned at the lower end of the shell.

When the mold is separated, firstly the equipment drives the upper mold plate to move upwards, the upper mold core is separated from the lower mold core, then the motor starts to rotate to drive the threaded column to rotate together, at the moment, the first threads can be smoothly demolded while the threaded column rotates, the shell can move upwards along with the first threads, after the first threads of the shell are completely separated, the equipment pushes the lower mold plate to move upwards through the ejector rod until the shell is completely pushed out of the mold cavity, the demolding can be smoothly performed, and after the demolding, the first mold insert and the third mold insert are screwed out through manual work, and finally the complete shell is obtained.

Compared with the prior art, the utility model has the advantages that the original twice processing technical scheme is replaced by the first thread assembly, the first insert, the third insert and the first thread, the second thread and the third thread which can be respectively formed on the shell, the working efficiency is improved, the shell quality is improved, and the cost is reduced. The upper mold core positioned in the upper mold plate is combined with the lower mold core, the lower mold sleeve and the lower mold core positioned in the lower mold plate to form a mold cavity, so that a basic frame of the shell can be formed, the first thread assembly is used for forming first threads in the shell, and the first insert and the third insert positioned in the upper mold core are used for forming second threads and third threads in the shell.

Drawings

FIG. 1 is a first perspective structural view of a housing;

FIG. 2 is a second perspective structural view of the housing;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is an exploded view of the first threaded assembly;

FIG. 5 is a schematic cross-sectional view of the present invention;

fig. 6 is a schematic structural view of the first, second and third inserts.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1 to 6: the utility model provides a forming die of casing, including cope match-plate pattern 2, lower bolster 8, cope match-plate pattern 2 is provided with mold core 3, lower bolster 8 is provided with lower mould benevolence 7, lower mould benevolence 7 is provided with lower die sleeve 6, lower die sleeve 6 is provided with lower mold core 10, go up mold core 3, lower mould benevolence 7, lower die sleeve 6, constitute the die cavity after the combination of lower mold core 10 four, it is equipped with first mold insert 4 to go up mold core 3 to insert, second mold insert 5, and be located the third mold insert 11 of second mold insert 5, second mold insert 5 is pegged graft with third mold insert 11, lower mold core 10 is provided with the first screw thread subassembly 12 that pierces through its self.

The first threaded assembly 12 includes a king post 120 and a rotatable threaded post assembly 121, the king post 120 being rotatably connected to the threaded post assembly 121.

The center pillar 120 is provided with a bottom plate assembly 13 fixedly connected thereto, the bottom plate assembly 13 includes an upper bottom plate 130 and a lower bottom plate 131, and a support plate 132 is fixedly arranged between the upper bottom plate 130 and the lower bottom plate 131.

The threaded column assembly 121 comprises a threaded column 122 and a motor 123 capable of driving the threaded column 122 to rotate, and the threaded column 122 and the motor 123 are rotatably connected through a chain 124.

The screw column 122 is provided with an internal screw portion 122a, the screw column 122 is inserted into the lower mold core 10, and a bushing 100 is provided between the screw column 122 and the lower mold core 10.

The lower end of the threaded column 122 is sleeved with a rotating bearing 125, the outer ring of the rotating bearing 125 is fixedly connected to the lower bottom plate 131, the threaded column 122 is fixedly provided with a chain wheel 126 connected with the chain 124, the chain wheel 126 is rotatably connected with the upper bottom plate 130, and the central axes of the rotating bearing 125, the chain wheel 126 and the threaded column 122 are the same.

The first insert 4 and the third insert 11 are each provided with an external thread portion 40 for molding.

The upper bottom plate 130 and the lower bottom plate 131 are penetratingly provided with two push rods 9, and the number of the push rods 9 is two.

The upper die plate 2 is fixedly provided with a top plate 1, the top plate 1 is provided with a filling opening 14, and the filling opening 14 is communicated with the die cavity.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. The utility model provides a forming die of casing, includes cope match-plate pattern, lower bolster, its characterized in that the cope match-plate pattern be provided with the mold core, the lower bolster be provided with lower mould benevolence, the lower mould benevolence be provided with lower die sleeve, lower die sleeve be provided with lower mold core, last mold core, lower mould benevolence, lower die sleeve, constitute the die cavity after the combination of lower mold core, last mold core insert be equipped with first mold insert, second mold insert and be located the third mold insert of second mold insert, the second mold insert peg graft with the third mold insert, lower mold core be provided with the first screw thread subassembly that pierces through its self.

2. A housing forming die as claimed in claim 1, wherein the first threaded assembly includes a center post and a rotatable threaded post assembly, the center post being rotatably connected to the threaded post assembly.

3. The mold for molding a shell according to claim 2, wherein the center pillar is provided with a bottom plate assembly fixedly connected thereto, the bottom plate assembly comprises an upper bottom plate and a lower bottom plate, and a support plate is fixedly arranged between the upper bottom plate and the lower bottom plate.

4. The mold for molding a shell according to claim 2, wherein the threaded post assembly comprises a threaded post and a motor capable of driving the threaded post to rotate, and the threaded post and the motor are rotatably connected through a chain.

5. The mold for molding a housing according to claim 4, wherein the threaded post is provided with an internal threaded portion, the threaded post is inserted into the lower mold core, and a bushing is provided between the threaded post and the lower mold core.

6. The mold for molding the shell according to claim 4, wherein the lower end of the threaded column is sleeved with a rotating bearing, the outer ring of the rotating bearing is fixedly connected to the lower bottom plate, the threaded column is fixedly provided with a chain wheel connected with a chain, the chain wheel is rotatably connected with the upper bottom plate, and the central axes of the rotating bearing, the chain wheel and the threaded column are the same.

7. A housing molding die as claimed in claim 1, wherein the first insert and the third insert are provided with male threads for molding.

8. The mold for molding a shell according to claim 3, wherein the upper plate and the lower plate are penetrated by two ejector rods.

9. The mold for molding a shell according to claim 1, wherein the upper mold plate is fixedly provided with a top plate, the top plate is provided with a filling port, and the filling port is communicated with the mold cavity.

Images