CN214239696U

CN214239696U - Powder filling jig for tubular thin-wall shell part

Info

Publication number: CN214239696U
Application number: CN202022673008.8U
Authority: CN
Inventors: 杨青松; 秦宏友; 冼锐伟; 廖小龙; 刘楷; 李方伟; 毕倩兰; 徐信林; 李禅; 吴沙鸥; 李毅
Original assignee: Shenzhen Taotao Technology Co ltd
Current assignee: Shenzhen Taotao Technology Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-09-21
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to a powder filling jig for tubular thin-wall shell parts, which comprises a forming sleeve, an upper die, a lower die and a die core column; the upper die and the lower die are respectively arranged on the upper end surface and the lower end surface of the forming sleeve, a through hole which penetrates through the upper die and is used for inserting the die core column is formed in the middle of the upper die, the die core column is inserted into the forming sleeve through the through hole, and a filling cavity used for filling powder is formed between the die core column and the forming sleeve. The utility model discloses can load the powder evenly to the packing chamber that the mould stem formed with the shaping sleeve in, can also control the loading of powder to improve the density of unburned bricks, avoid tubulose thin wall casing spare to take place to warp in the forming process, improve the quality of product, solve traditional thin wall casing spare and fill out inhomogeneous, yielding problem of powder.

Description

Powder filling jig for tubular thin-wall shell part

Technical Field

The utility model relates to a forming jig technical field especially relates to a powder tool is filled out to tubulose thin wall casing spare.

Background

The main production process of the traditional thin-wall shell part is to fill powder into a cavity of a dry pressing die and then carry out isostatic pressing. In the prior art, for a thin-wall shell part, especially a tubular thin-wall shell part, powder filling is not uniform, so that green body density generated in the process of dry pressing powder in a die is not uniform, and the defects increase deformation of a product in a forming stage, so that the thin-wall shell part deforms in the forming process, and further the quality of the product is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tubulose thin wall casing spare fills whitewashed tool to solve traditional thin wall casing spare and fill the inhomogeneous, yielding problem of powder.

In order to solve the technical problem, the utility model provides a powder filling jig for a tubular thin-wall shell piece, which comprises a forming sleeve, an upper die, a lower die and a die core column; the upper die and the lower die are respectively arranged on the upper end surface and the lower end surface of the forming sleeve, the upper die is provided with a through hole which penetrates through the upper die and is used for inserting the die core column, the die core column is inserted into the forming sleeve through the through hole, and a filling cavity used for filling powder is formed between the die core column and the forming sleeve.

In the structure, the upper end face of the upper die, which is located in the through hole, is provided with an arc-shaped inclined plane, the arc-shaped inclined plane is inclined inwards gradually from top to bottom, a plurality of positioning blocks are arranged on the arc-shaped inclined plane and are arranged along the peripheral edge of the die core column, and the die core column is inserted into the forming sleeve through the through hole and is positioned on the positioning blocks.

In the structure, one side of the positioning block, which faces the die core column, protrudes inwards to form a positioning flange, and the die core column is positioned on the positioning flange; and a filling gap for filling powder is formed between every two adjacent positioning flanges, the filling gap is communicated with the filling cavity, and the powder is filled into the filling cavity from the filling gap.

In the structure, the upper die is positioned on the lower end face of the forming sleeve and is provided with an assembling groove matched with the forming sleeve, and the upper die is assembled on the upper end face of the forming sleeve through the assembling groove.

In the structure, the lower mould is including supporting the base, the middle part that supports the base corresponds the confession has been seted up to the position of mould stem the through-hole that the mould stem runs through should support the base and be located the up end of through-hole upwards extends and forms the location bulge loop, the shape of location bulge loop matches with the shape of the interior jade of shaping sleeve, and the lower mould passes through the location bulge loop to be assembled in the telescopic lower terminal surface of shaping rather than forming sealed cooperation.

In the above structure, the inner diameter of the positioning convex ring is larger than the outer diameter of the mold core column, and the outer diameter of the positioning convex ring is smaller than the inner diameter of the molding sleeve.

In the above structure, the molding sleeve has a hollow cylindrical structure.

The beneficial effects are that: the utility model discloses can load the powder evenly to the die core post in with the chamber that packs that the shaping sleeve formed, can also control the loading of powder to improve the density of unburned bricks, avoid tubulose thin wall casing spare to take place to warp in the forming process, solve traditional thin wall casing spare and fill out inhomogeneous, yielding problem of powder, the product quality who is prepared by filling out the powder tool is stable. The formed tubular thin-wall shell part can be detached from the powder filling jig, the assembly and the detachment are simple and quick, and the processing difficulty and the production cost can be effectively reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the powder filling jig of the present invention;

FIG. 2 is a schematic structural view of an upper mold of the present invention;

fig. 3 is a schematic bottom view of the upper mold of the present invention;

FIG. 4 is a schematic view of the powder filling jig of the present invention

FIG. 5 is a schematic cross-sectional view of the filling jig along the line B-B in FIG. 4.

Reference numerals: the die comprises a molding sleeve 1, an upper die 2, a lower die 3, a die core column 4, a filling cavity 11, a through hole 21, an arc-shaped inclined plane 22, a positioning block 23, a positioning flange 231, a filling notch 24, an assembling groove 25, a supporting base 31 and a positioning convex ring 32.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, 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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The electronic cigarette mainly comprises a shell, and an electric heating wire, an oil supply structure and an oil guide structure which are arranged in the shell; in the existing ceramic electronic cigarette, the shell is made of ceramic materials and is prepared from a traditional thin-wall shell component. When the traditional thin-wall shell part is subjected to dry pressing in the mold, the defect of uneven powder filling exists, so that the density of green compacts generated in the process of dry pressing powder in the mold is uneven, and the thin-wall shell part is easy to deform in the forming process. In order to solve the problems of uneven powder filling, low density and easy deformation in the processing process of the traditional thin-wall shell part, as shown in fig. 1 to 5, the utility model provides a powder filling jig for a tubular thin-wall shell part, which comprises a forming sleeve 1, an upper die 2, a lower die 3 and a die core column 4, wherein the forming sleeve is of a hollow structure, preferably, the forming sleeve is of a hollow cylindrical structure; the inside of the forming sleeve 1 is fitted with a die stem 4. More specifically, the upper die 2 and the lower die 3 are respectively detachably assembled on the upper end surface and the lower end surface of the forming sleeve 1, wherein a through hole 21 which penetrates through the upper die 2 and is used for inserting the die core column 4 is formed in the middle of the upper die 2, when the forming sleeve is used, the die core column 4 is inserted into the forming sleeve 1 through the through hole 21 and is arranged on the central axis of the forming sleeve 1, and powder is uniformly filled into a filling cavity 11 formed by the die core column 4 and the forming sleeve 1 and then is subjected to isostatic pressing.

Further, as shown in fig. 2 and 4, an arc inclined surface 22 is disposed on the upper end surface of the upper die 2 located in the through hole 21, the arc inclined surface 22 is inclined inward gradually from top to bottom, and the arc inclined surface 22 can guide the powder to be filled into the filling chamber 11 through the filling gap 24; wherein, a plurality of positioning blocks 23 are respectively arranged on the arc-shaped inclined planes 22, and the positioning blocks 23 are used for positioning the fixed mold core column 4. The number of the positioning blocks 23 is four in this embodiment, and the four positioning blocks 23 are arranged on the periphery of the mold core column 4 and arranged along the peripheral edge of the mold core column 4. In use, the core pin 4 is inserted into the molding sleeve 1 through the through hole 21 and positioned on the positioning block 23.

Further, as shown in fig. 5, the positioning block 23 protrudes inward toward the side of the mold core post 4 to form a positioning flange 231, and after the mold core post is inserted into the molding sleeve 1, the positioning flange 231 of the positioning block 23 can be positioned and fixed. In addition, in order to facilitate the powder filling into the filling chamber 11, a filling gap 24 for filling the powder is formed between each adjacent positioning flange 231, wherein the filling gap 24 is communicated with the filling chamber 11, and the powder can be filled into the filling chamber 11 from the filling gap 24. In other embodiments, three, six, eight or more positioning blocks 23 may also be provided, the number of the formed filling gaps 24 is the same as the number of the positioning blocks 23, and the number of the positioning blocks 23 may be selected according to actual needs.

In one embodiment, as shown in fig. 3, the upper mold 2 is located at the lower end surface of the forming sleeve 1 and is recessed inwards to form a fitting groove 25 which is matched with the forming sleeve 1, the upper mold 2 can be fitted to the upper end surface of the forming sleeve 1 through the fitting groove 25, and the inner concave surface of the fitting groove 25 is tightly attached to the end surface of the forming sleeve 1, so that the upper mold 2 can be in sealing fit with the forming sleeve 1.

In one embodiment, as shown in fig. 4, the lower mold 3 includes a supporting base 31, a through hole (not shown) for the mold core column 4 to pass through is formed in a middle portion of the supporting base 31 corresponding to the mold core column 4, and the supporting base 31 is located at an upper end of the through hole and extends upward to form a positioning protruding ring 32. Further, the internal diameter of location bulge loop 32 is greater than the external diameter of mould stem 4, and the external diameter of location bulge loop 32 is less than the internal diameter of shaping sleeve 1 to, the shape of location bulge loop 32 matches with the shape of the interior jade of shaping sleeve 1, and lower mould 3 assembles in the lower terminal surface of shaping sleeve 1 through location bulge loop 32, and the outer wall of the orientation shaping sleeve 1 of location bulge loop 32 closely laminates with the internal face of shaping sleeve 1, makes lower mould 3 can form sealed cooperation with shaping sleeve 1.

When in use, the upper die 2 and the lower die 3 are respectively assembled on the upper end surface and the lower end surface of the forming sleeve 1, and the die core column 4 is inserted into the forming sleeve 1 through the through hole 21 and is positioned on the positioning block 23; then the powder material is uniformly filled into the filling cavity 11 through the filling gap 24, and finally the isostatic compaction is carried out. The utility model discloses a fill out powder tool and can not only make the powder load more evenly, can also control the loading of powder to improve the density of unburned bricks, avoid tubulose thin wall casing spare to take place to warp in forming process. The formed tubular thin-wall shell part can be detached from the powder filling jig, and the processing difficulty and the production cost can be effectively reduced. It should be noted that the powder filling jig can also be applied to other molding processes such as plastic molding, slurry molding, etc., and is not limited thereto.

The utility model discloses a tubulose thin wall casing spare, tubulose thin wall casing spare by tubulose thin wall casing spare fills whitewashed tool preparation and obtains. And the application of the powder filling jig for the tubular thin-wall shell part as a forming jig for the ceramic tubular thin-wall shell part of the electronic cigarette.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a tubulose thin wall casing spare powder filling jig which characterized in that: the forming die comprises a forming sleeve, an upper die, a lower die and a die core column; the upper die and the lower die are respectively arranged on the upper end surface and the lower end surface of the forming sleeve, the upper die is provided with a through hole for inserting the die core column, the die core column is inserted into the forming sleeve through the through hole, and a filling cavity for filling powder is formed between the die core column and the forming sleeve.

2. The powder filling jig for the tubular thin-walled shell member according to claim 1, wherein: the upper die is characterized in that an arc-shaped inclined plane is arranged on the upper end face of the through hole, the arc-shaped inclined plane is inclined inwards from top to bottom gradually, a plurality of positioning blocks are arranged on the arc-shaped inclined plane and are arranged along the peripheral edge of the die core column, and the die core column is inserted into the forming sleeve through the through hole and is positioned on the positioning blocks.

3. The powder filling jig for the tubular thin-walled shell member according to claim 2, wherein: one side of the positioning block, which faces the die core column, protrudes inwards to form a positioning flange, and the die core column is positioned on the positioning flange; and a filling gap for filling powder is formed between every two adjacent positioning flanges, the filling gap is communicated with the filling cavity, and the powder is filled into the filling cavity from the filling gap.

4. The powder filling jig for the tubular thin-walled shell member according to claim 1, wherein: the upper die is located the lower end face of the forming sleeve is provided with an assembling groove matched with the forming sleeve, and the upper die is assembled on the upper end face of the forming sleeve through the assembling groove.

5. The powder filling jig for the tubular thin-walled shell member according to claim 1, wherein: the lower mould is including supporting the base, it corresponds to support the base the confession has been seted up to the position of mould stem the through-hole that the mould stem runs through should support the base and be located the up end of through-hole upwards extends and forms the location bulge loop, the shape of location bulge loop matches with the shape of the interior jade of shaping sleeve, and the lower mould passes through the location bulge loop to be assembled in the telescopic lower terminal surface of shaping.

6. The powder filling jig for the tubular thin-walled shell member according to claim 5, wherein: the inner diameter of the positioning convex ring is larger than the outer diameter of the die core column, and the outer diameter of the positioning convex ring is smaller than the inner diameter of the forming sleeve.

7. The powder filling jig for the tubular thin-walled shell member according to claim 1, wherein: the molding sleeve is of a hollow cylindrical structure.