CN213198600U

CN213198600U - Wheel piece die

Info

Publication number: CN213198600U
Application number: CN202021668461.3U
Authority: CN
Inventors: 郭提建
Original assignee: Dongguan Xinhang Machinery Equipment Co ltd
Current assignee: Dongguan Xinhang Machinery Equipment Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-05-14
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a wheel piece mould has improved the precision of product. The wheel sheet die comprises a front die and a rear die, wherein the front die is used for forming the top of a wheel sheet, the rear die is used for forming the bottom of the wheel sheet, and the front die and the rear die are connected in a sliding mode along a die assembly direction; the rear die is connected with a sliding die used for molding the thread part of the wheel sheet in a sliding mode along the horizontal direction; and a cavity for molding the wheel sheet is formed among the front die, the rear die and the sliding die. The wheel sheet is formed into a cavity through a front die, a rear die and a sliding die for injection molding of the wheel sheet, wherein the front die forms the top of the wheel sheet, the rear die forms the bottom of the wheel sheet, and the sliding die forms the threaded part of the wheel sheet; because the sliding die is connected with the rear die in a sliding mode, namely the sliding die and the rear die are two independent parts, the precision grade of the sliding die can be higher than that of the rear die, and the sliding die is effectively guaranteed to have enough precision and is not limited by the rear die, so that the precision of a product is improved, and the competitiveness of the product is improved.

Description

Wheel piece die

Technical Field

The utility model relates to a mold design field especially relates to a wheel piece mould.

Background

The mould is a mould and a tool for obtaining a required product by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production, in short, the mould is a tool for manufacturing a formed article, the tool is composed of various parts, different moulds are composed of different parts, the processing of the appearance of the article is realized mainly by changing the physical state of the formed material, and the mould is called as an 'industrial mother'.

In the prior art, a mold for generating a cylindrical wheel sheet is mainly used for demolding through two sliding blocks, a parting surface of the mold is overlapped with an axis of the wheel sheet, and a parting line after the wheel sheet is molded is in an I shape. Under the condition that the outer wall of wheel piece need be equipped with the screw thread, this kind of mould need additionally set up the internal thread groove at front mould and back mould in order to take turns the shaping external screw thread of piece's outer wall, because the precision of internal thread groove receives the whole precision restriction of front mould and back mould, leads to the unable assurance of precision of internal thread groove, has reduced the product precision, has reduced the competitiveness of product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wheel piece mould solves the problem that the precision is low of present wheel piece mould.

To achieve the purpose, the utility model adopts the following technical proposal:

a wheel sheet die is used for forming a wheel sheet and comprises a front die and a rear die, wherein the front die is used for forming the top of the wheel sheet provided with a threaded part, the rear die is used for forming the bottom of the wheel sheet, and the front die and the rear die are connected in a sliding mode along a die assembly direction;

the rear die is connected with a sliding die used for molding the thread part of the wheel sheet in a sliding mode along the horizontal direction;

and a cavity for molding the wheel sheet is formed among the front die, the rear die and the sliding die.

Optionally, the sliding die includes a sliding insert slidably connected to the rear die, and a slide is disposed in the rear die at a position corresponding to the sliding insert;

one side of the sliding insert block, which is close to the cavity, is provided with a thread forming part for forming a thread part of the wheel sheet, and the other side of the sliding insert block is fixedly connected with a sliding block.

Optionally, the number of the sliding inserts is two;

the two sliding inserts are respectively arranged on two sides of the rear die, the shape of the thread forming part is a plurality of layers of half-turn internal threads, and the number of layers of the half-turn internal threads is the same as the number of turns of the thread part of the wheel piece.

Optionally, on any one of the sliding inserts, the number of the thread forming parts is multiple, and the thread forming parts are arranged at intervals along a direction perpendicular to the sliding direction of the sliding insert.

Optionally, the front mold comprises a front mold core, and a front mold cavity for molding the top of the wheel piece is formed in the front mold core;

and a front mold water gap insert used for forming a through hole of the wheel sheet is arranged in the inner cavity of the front mold.

Optionally, a plurality of front mold cavities are formed in the front mold core, and the front mold cavities are arranged at intervals along a direction perpendicular to the sliding direction of the sliding mold.

Optionally, the rear mold comprises a rear mold core, and a rear mold cavity for forming the bottom of the wheel piece is formed in the rear mold core;

an ejector sleeve is arranged in the inner cavity of the rear die, and an ejector sleeve thimble used for forming the through hole of the wheel sheet is connected in the ejector sleeve in a sliding mode.

Optionally, a plurality of rear mold cavities are formed in the rear mold core, and the rear mold cavities are arranged at intervals along a direction perpendicular to the sliding direction of the sliding mold.

Optionally, the front mold comprises a front mold positioning concave part, and the rear mold comprises a rear mold positioning convex part which can be sleeved in the front mold positioning concave part when the front mold and the rear mold are assembled.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a wheel piece mould, which forms a cavity through a front mould, a rear mould and a sliding mould for the injection moulding of the wheel piece, wherein the top of the front mould forming wheel piece, the bottom of the rear mould forming wheel piece and the thread part of the sliding mould forming wheel piece; because the sliding die is connected with the rear die in a sliding mode, namely the sliding die and the rear die are two independent parts, the precision grade of the sliding die can be higher than that of the rear die, and the sliding die is effectively guaranteed to have enough precision and is not limited by the rear die, so that the precision of a product is improved, and the competitiveness of the product is improved.

Drawings

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

The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.

Fig. 1 is a schematic front view of a wheel sheet according to an embodiment of the present invention;

fig. 2 is an overall schematic view of a wheel piece mold according to another embodiment of the present invention;

fig. 3 is a front structural view of a wheel piece mold according to another embodiment of the present invention;

fig. 4 is a top view structural diagram of a wheel piece mold according to another embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is a schematic view of the exploded structure of fig. 4 taken along a-a.

Illustration of the drawings: 1. a front mold; 11. a front mold core; 12. a front mold water gap insert; 13. a front mold positioning female part; 2. a rear mold; 21. a rear mold core; 22. a ejector sleeve; 23. a ejector sleeve thimble; 24. a rear mold positioning convex part; 3. sliding the mold; 31. a sliding insert; 32. a thread forming section; 33. a slider; 4. a wheel sheet; 41. a first parting line; 42. a second parting line.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Referring to fig. 1 to 6, fig. 1 is a front view schematic diagram of a wheel piece provided in an embodiment of the present invention, fig. 2 is a whole schematic diagram of a wheel piece mold provided in another embodiment of the present invention, fig. 3 is a front view structural diagram of a wheel piece mold provided in another embodiment of the present invention, fig. 4 is a top view structural diagram of a wheel piece mold provided in another embodiment of the present invention, fig. 5 is a schematic diagram of a sectional structure of fig. 4 along a-a, and fig. 6 is a schematic diagram of an explosion structure of fig. 4 along a-a.

The embodiment of the utility model provides a wheel 4, this wheel piece are applied to the scene of preventing static, can set up epaxial in equipment, play the effect of preventing static.

As shown in fig. 1, the wheel sheet 4 includes a top portion, a bottom portion and a threaded portion, and the threaded portion is disposed on an outer wall of the bottom portion; a first parting line 41 is formed between the top and bottom portions, and a second parting line 42 is formed at the junction of a plane coinciding with the axis of the wheel 4 and the threaded portion. The first parting line 41 and the second parting line 42 form a T-shaped parting line; through the parting line setting to wheel piece 4 for screw thread portion is independent of top and bottom and is moulded alone, can ensure the precision of screw thread portion, improves the precision of wheel piece 4, improves the competitiveness of wheel piece 4. It is added that the top and the bottom of the wheel sheet 4 are in a shape of a revolution body, and the axis of the wheel sheet 4 refers to a straight line which passes through the centroid of the wheel sheet 4 and is vertical to the plane of the revolution body; the wheel sheet 4 is provided with a through hole along the axis thereof.

The embodiment of the utility model provides a still provide a wheel piece mould, this wheel piece mould is through improving its structure, makes the die joint change, has improved the precision of wheel piece mould to improve the precision of wheel piece 4, improved the competitiveness of wheel piece 4.

As shown in fig. 2 and 3, the wheel sheet mold of the present embodiment, which is used for molding a cylindrical wheel sheet 4, includes a front mold 1 for molding the top of the wheel sheet 4 and a rear mold 2 for molding the bottom of the wheel sheet 4, wherein the front mold 1 and the rear mold 2 are slidably connected in a mold closing direction;

the rear die 2 is connected with a sliding die 3 for molding the thread part of the wheel sheet 4 in a sliding way along the horizontal direction; here, the horizontal direction refers to a direction perpendicular to the mold clamping direction.

A cavity for molding the wheel sheet 4 is formed among the front mold 1, the rear mold 2 and the sliding mold 3.

Specifically, a cavity is formed through the front die 1, the rear die 2 and the sliding die 3 for injection molding of the wheel sheet 4, wherein the front die 1 forms the top of the wheel sheet 4, the rear die 2 forms the bottom 4 of the wheel sheet, and the sliding die 3 forms the threaded part of the wheel sheet 4; because the sliding die 4 is connected with the rear die 2 in a sliding manner, the accuracy of the sliding die 3 can be ensured to be sufficient and not limited by the rear die 2, so that the accuracy of the product is improved, and the competitiveness of the product is improved. The method has the advantages that the design of the sliding die 4 also plays a role in controlling cost, the problem that the precision of the threaded part of the wheel piece 4 cannot be independently ensured in the traditional two-slider die stripping process is solved, and the quality of the wheel piece 4 can be adjusted by adjusting the precision of the sliding die 4; in addition, when the thread size of the wheel piece 4 needs to be changed, the thread size can be adjusted only by disassembling and replacing the sliding die 4, the material cost required by the model replacement of the wheel piece 4 is reduced, the model replacement efficiency is improved, and the application range of the wheel piece die is expanded.

Further, as shown in fig. 4 to 6, the sliding die 3 includes a sliding insert 31 slidably connected to the rear die 2, and a slide way is provided at a position of the rear die 2 corresponding to the sliding insert 31;

one side of the sliding insert 31 close to the cavity is provided with a thread forming part 32 for forming the thread part of the wheel sheet 4, and the other side is fixedly connected with a sliding block 33. Wherein, the slide block 33 is controlled to adjust the position of the thread forming part 32, so that the precision of mold closing and mold opening is improved, and the product quality of the wheel sheet 4 is improved. When the mold is closed, the slide block 33 is moved in a direction close to the cavity, and the screw forming portion 32 is moved to the cavity to form the cavity. When the mold is opened, the slide block 33 is moved along the direction away from the cavity, so that the ejector sleeve thimble 23 can eject the formed wheel sheet 4 conveniently.

Further, as shown in fig. 5 and 6, the front mold 1 includes a front mold core 11, and a front mold cavity for molding the top of the wheel piece 4 is formed in the front mold core 11;

a front mold water gap insert 12 for forming a through hole of the wheel sheet 4 is arranged in the inner cavity of the front mold.

Further, as shown in fig. 5 and 6, the rear mold 2 includes a rear mold core 21, and a rear mold cavity for forming the bottom of the wheel piece 4 is formed in the rear mold core 21;

an ejector sleeve 22 is arranged in the inner cavity of the rear die, and an ejector sleeve thimble 23 used for forming a through hole of the wheel sheet 4 is connected in the ejector sleeve 22 in a sliding manner. The ejector sleeve thimble 23 is also used for ejecting the formed wheel sheet 4 when the mould is opened.

Further, the front mold 1 comprises a front mold positioning concave part 13, and the rear mold 2 comprises a rear mold positioning convex part 24 which can be sleeved in the front mold positioning concave part 13 when the front mold 1 and the rear mold 2 are closed. When the die is closed, the positioning precision of the wheel sheet die is improved through the matching of the front die positioning concave part 13 and the rear die positioning convex part 24, the shape precision of a cavity is ensured, and the quality of the wheel sheet 4 is improved.

In one particular implementation, as shown in fig. 5 and 6, the number of the sliding inserts 31 is two;

the two sliding inserts 31 are respectively arranged at two sides of the rear die 2, the thread forming part 32 is in the shape of a plurality of layers of half-turn internal threads, and the number of the layers of the half-turn internal threads is the same as the number of turns of the thread part of the wheel piece 4.

Further, on any one of the slide inserts 31, the number of the thread forming portions 32 is plural, and the thread forming portions 32 are provided at intervals in a direction perpendicular to the sliding direction of the slide insert 31. In the present embodiment, the number of the thread forming portions 32 is 4.

Specifically, a plurality of front mold cavities are formed in the front mold core 11, and the front mold cavities are arranged at intervals along a direction perpendicular to the sliding direction of the sliding mold 3. In this embodiment, the number of the front mold cavities is 4.

Specifically, a plurality of rear mold cavities are formed in the rear mold core 21, and the rear mold cavities are arranged at intervals in a direction perpendicular to the sliding direction of the sliding mold 3. Namely, a single wheel sheet die can form a plurality of wheel sheets 4 at one time, and the production speed of the wheel sheets 4 is improved. In this embodiment, the number of rear mold cavities is 4.

In conclusion, the wheel piece die provided by the embodiment can reduce the manufacturing cost, improve the production speed and ensure the precision of the product; the replacement cost brought by the change of the product size is saved, and the competitiveness of the product is improved.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The wheel sheet die is characterized by being used for forming a wheel sheet (4) provided with a threaded portion and comprising a front die (1) used for forming the top of the wheel sheet (4) and a rear die (2) used for forming the bottom of the wheel sheet (4), wherein the front die (1) and the rear die (2) are connected in a sliding mode along a die assembly direction;

the rear die (2) is connected with a sliding die (3) used for molding a thread part of the wheel sheet (4) in a sliding mode along the horizontal direction;

and a cavity for molding the wheel sheet (4) is formed among the front die (1), the rear die (2) and the sliding die (3).

2. The wheel disc die according to claim 1, wherein the sliding die (3) comprises a sliding insert (31) connected with the rear die (2) in a sliding manner, and a slide way is arranged on the rear die (2) corresponding to the sliding insert (31);

one side of the sliding insert (31) close to the cavity is provided with a thread forming part (32) for forming a thread part of the wheel sheet (4), and the other side of the sliding insert is fixedly connected with a sliding block (33).

3. The wheel disc die according to claim 2, wherein the number of the sliding inserts (31) is two;

the two sliding inserts (31) are respectively arranged on two sides of the rear die (2), the thread forming part (32) is in the shape of a plurality of layers of half-turn internal threads, and the number of layers of the half-turn internal threads is the same as the number of turns of the thread part of the wheel piece (4).

4. The wheel plate die as claimed in claim 3, wherein on any one of the slide inserts (31), the number of the thread forming portions (32) is plural, and the thread forming portions (32) are provided at intervals in a direction perpendicular to a sliding direction of the slide insert (31).

5. The wheel plate die as claimed in claim 1, wherein the front die (1) comprises a front die core (11), and a front die cavity for forming the top of the wheel plate (4) is formed in the front die core (11);

and a front mold water gap insert (12) for forming a through hole of the wheel sheet (4) is arranged in the inner cavity of the front mold.

6. The wheel disc die as claimed in claim 5, wherein a plurality of said front cavity cavities are formed in said front core (11), said front cavity cavities being spaced apart in a direction perpendicular to a sliding direction of said sliding die (3).

7. The wheel disc mould as claimed in claim 1, wherein the rear mould (2) comprises a rear mould core (21), and a rear mould cavity for forming the bottom of the wheel disc (4) is formed in the rear mould core (21);

an ejector sleeve (22) is arranged in the inner cavity of the rear die, and an ejector sleeve thimble (23) of a through hole for the forming wheel sheet (4) is connected in the ejector sleeve (22) in a sliding mode.

8. The wheel disc mold according to claim 7, wherein a plurality of the rear mold cavities are formed in the rear mold core (21), and the rear mold cavities are arranged at intervals in a direction perpendicular to the sliding direction of the sliding mold (3).

9. A wheel plate mould according to any of the claims 1-8, characterized in that the front mould (1) comprises a front mould positioning female part (13), and the rear mould (2) comprises a rear mould positioning male part (24) which can be arranged in the front mould positioning female part (13) when the front mould (1) and the rear mould (2) are assembled.