CN218399255U

CN218399255U - Prevent shrink mould of battery cover camera outward appearance

Info

Publication number: CN218399255U
Application number: CN202222871333.4U
Authority: CN
Inventors: 张立峰
Original assignee: Shenzhen Dingsheng Precision Industrial Co ltd
Current assignee: Shenzhen Dingsheng Precision Industrial Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-01-31
Anticipated expiration: 2032-10-27

Abstract

The utility model relates to the technical field of battery covers, in particular to a mold for preventing the appearance of a battery cover camera from shrinking, which comprises a lower mold base, wherein an upper mold base is arranged above the lower mold base, and side mold bases are fixed on four surfaces of the lower mold base; a positioning assembly is arranged between the lower die holder and the upper die holder and used for limiting when the lower die holder and the upper die holder are assembled; the die comprises an upper die base and a lower die base, and is characterized in that a casting groove is formed in the upper die base, a camera groove is formed in the casting groove, a glue feeding straight rising edge is arranged on the surface of the upper die base at the position of the camera groove, and the top end of the glue feeding straight rising edge extends to the outside of the lower die base. The utility model discloses a carry out redesign to advancing the length of side and the width on gluey vertical rising limit for glue volume portion can flow back after the pressurize of moulding plastics, consequently can not lead to the serious shrink phenomenon of camera outward appearance.

Description

Prevent shrink mould of battery cover camera outward appearance

Technical Field

The utility model relates to a battery cover technical field specifically is a prevent shrink mould of battery cover camera outward appearance.

Background

With the rapid development of the technology level, the mobile phone becomes a very important tool in people's life, and the mobile phone battery cover is an important component of the mobile phone and is an accessory for protecting the mobile phone, and the battery cover needs to use a mold during injection molding.

At present, when the existing mold is used for injection molding, the camera is positioned in a rubber sheet, the inclined top of the rubber sheet is small in vertical rising edge and large in width, the side length is generally 0.3mm, the width is 0.52mm, and therefore after injection molding and pressure maintaining, the rubber amount can flow back to cause severe shrinkage, the inclined top is burned, and the appearance of the product camera shrinks seriously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent that battery cover camera outward appearance from shrinking mould to it is little to put forward the film oblique top straight rising limit in battery cover camera position in solving above-mentioned background art, and the width is big, leads to shrinking serious problem.

In order to achieve the above object, the utility model provides a following technical scheme: a die for preventing the appearance of a battery cover camera from shrinking comprises a lower die base, wherein an upper die base is arranged above the lower die base, the upper die base is matched with the lower die base, and side die bases are fixed on four surfaces of the lower die base; a positioning assembly is arranged between the lower die holder and the upper die holder and used for limiting when the lower die holder and the upper die holder are assembled; the inside in upper die base is provided with the casting groove, and the camera recess has been seted up to the inside in casting groove to the upper die base surface of camera groove position department is provided with into gluey straight rising limit, and advances gluey straight rising limit and install in the inside of die holder, and advances gluey straight rising limit's top and extend to the outside of die holder.

Preferably, the top end of the upper die holder is provided with a mounting hole, and the mounting hole is used for connecting a driving element and is used for die assembly or demoulding of the upper die holder.

Preferably, the positioning assembly comprises a fixing piece, a positioning column and a positioning groove, and the fixing piece is fixedly connected to the corner of the lower die base.

Preferably, a positioning column is fixed at the center of the top end of the fixing piece, positioning grooves are formed in the four corners of the upper die base, and the positioning columns are in plug-in fit with the positioning grooves.

Preferably, the side length of the glue feeding vertically-rising edge is 0.5mm, and the width of the glue feeding vertically-rising edge is 0.35mm.

Compared with the prior art, the beneficial effects of the utility model are that: according to the mold for preventing the appearance of the battery cover camera from shrinking, the side length of the glue feeding straight edge is changed from 0.3mm to 0.5mm, and the width of the glue feeding straight edge is changed from 0.52 to 0.35mm, so that the glue amount part can flow back after injection molding and pressure maintaining, and the phenomenon that the appearance of the camera shrinks seriously is avoided; meanwhile, the positioning columns on the surfaces of the fixing pieces are matched with the positioning grooves on the surfaces of the upper die bases for limiting, and dislocation during die assembly is avoided.

Drawings

Fig. 1 is a schematic diagram of the three-dimensional appearance structure of the present invention;

FIG. 2 is a schematic view of the mold-splitting structure of the present invention;

FIG. 3 is a schematic view of the top enlarged structure of the present invention;

fig. 4 is a schematic diagram of the local enlarged structure of the present invention.

In the figure: 1. a lower die holder; 2. an upper die holder; 21. mounting holes; 3. a side die holder; 4. a positioning assembly; 41. a fixing sheet; 42. a positioning column; 43. positioning a groove; 5. casting a groove; 6. a camera recess; 7. and (5) feeding glue and lifting the edge.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments, and furthermore, the terms "first", "second", "third", "upper, lower, left, right", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; can be directly connected with each other, also can be indirectly connected with each other through the intermediary, based on the embodiment in the utility model, all other embodiments that ordinary skilled in the art obtained under the prerequisite of not making creative work all belong to the scope of protection of the utility model.

The utility model provides a pair of prevent structure as shown in figure 1 of mould that battery cover camera outward appearance is shrunk, including die holder 1, the top of die holder 1 is provided with upper die base 2, and mounting hole 21 has been seted up on the top of upper die base 2, and this mounting hole 21 is used for connecting drive element for to the compound die of upper die base 2 or demoulding, and upper die base 2 and die holder 1 match each other, and four faces of die holder 1 all are fixed with side form seat 3.

During implementation, the upper die base 2 is connected with the driving element through the mounting hole 21, the driving element drives the upper die base 2 and the lower die base 1 to carry out die closing or die splitting, and meanwhile, the positioning assembly 4 is used for limiting during die closing.

Further, as shown in fig. 2, a positioning assembly 4 is disposed between the lower die holder 1 and the upper die holder 2, the positioning assembly 4 is composed of a fixing sheet 41, a positioning column 42 and a positioning groove 43, the fixing sheet 41 is fixedly connected to a corner position of the lower die holder 1, the positioning column 42 is fixed to a center position of the top end of the fixing sheet 41, the positioning groove 43 is disposed at each of four corners of the upper die holder 2, the positioning column 42 is in mutual insertion fit with the positioning groove 43, and the positioning assembly 4 is used for limiting when the lower die holder 1 and the upper die holder 2 are assembled.

In implementation, the positioning column 42 on the surface of the fixing sheet 41 is matched with the positioning groove 43 on the surface of the upper die holder 2 for limiting, so that dislocation in die assembly is avoided.

Further, as shown in fig. 3 and 4, a casting groove 5 is formed in the upper die holder 2, a camera groove 6 is formed in the casting groove 5, a glue feeding rising edge 7 is arranged on the surface of the upper die holder 2 at the position of the camera groove 6, the side length of the glue feeding rising edge 7 is 0.5mm, the width of the glue feeding rising edge 7 is 0.35mm, the glue feeding rising edge 7 is installed in the lower die holder 1, and the top end of the glue feeding rising edge 7 extends to the outside of the lower die holder 1.

In the prior art, a camera is positioned at a position where a film is inserted and obliquely pushed, the vertical rising edge is small, the glue amount can flow back to cause severe shrinkage after pressure maintaining after injection molding with large width, and oblique pushing is burnt and welded; and the utility model discloses in will advance gluey helicopter limit 7's length of side change to 0.5mm by 0.3mm, advance gluey helicopter limit 7's width and change to 0.35mm by 0.52 for gluey volume portion can flow back after the pressurize of moulding plastics, consequently can not lead to the serious phenomenon of shrinking of camera outward appearance.

The working principle is as follows: during the use, at first with upper die base 2 through mounting hole 21 and drive element interconnect, drive upper die base 2 and die holder 1 through drive element and carry out compound die or divide the mould, carry on spacingly through locating component 4 simultaneously when the compound die, it is spacing to match each other through the reference column 42 on stationary blade 41 surface and the constant head tank 43 on upper die base 2 surface when locating component 4 implements, takes place the dislocation when avoiding compound die.

The utility model discloses in will advance the length of side of gluey helicopter limit 7 and change to 0.5mm by 0.3mm, advance the width of gluey helicopter limit 7 and change to 0.35mm by 0.52 for glue volume portion can flow back after the pressurize of moulding plastics, consequently can not lead to the serious shrink phenomenon of camera outward appearance.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a prevent that battery cover camera outward appearance is mould that contracts, includes die holder (1), its characterized in that: an upper die base (2) is arranged above the lower die base (1), the upper die base (2) is matched with the lower die base (1), and side die bases (3) are fixed on four surfaces of the lower die base (1); a positioning component (4) is arranged between the lower die holder (1) and the upper die holder (2), and the positioning component (4) is used for limiting when the lower die holder (1) and the upper die holder (2) are assembled; the inside of upper die base (2) is provided with casting groove (5), and camera recess (6) have been seted up to the inside of casting groove (5) to upper die base (2) surface of camera recess (6) position department is provided with into gluey helicopter limit (7), and advances gluey helicopter limit (7) and install the inside at die holder (1), and the top that advances gluey helicopter limit (7) extends to the outside of die holder (1).

2. The mold for preventing the appearance shrinkage of the battery cover camera according to claim 1, wherein: the top end of the upper die holder (2) is provided with a mounting hole (21), and the mounting hole (21) is used for connecting a driving element and is used for die assembly or demoulding of the upper die holder (2).

3. The mold for preventing the shrinkage of the appearance of the camera head of the battery cover according to claim 1, wherein: the positioning assembly (4) is composed of a fixing piece (41), a positioning column (42) and a positioning groove (43), and the fixing piece (41) is fixedly connected to the corner position of the lower die holder (1).

4. The mold for preventing the shrinkage of the appearance of the camera head of the battery cover according to claim 3, wherein: the center position department at stationary blade (41) top is fixed with reference column (42), constant head tank (43) have all been seted up to four turning positions department of upper die base (2), and reference column (42) and constant head tank (43) are pegged graft the cooperation each other.

5. The mold for preventing the shrinkage of the appearance of the camera head of the battery cover according to claim 1, wherein: the side length of the glue feeding vertically-rising edge (7) is 0.5mm, and the width of the glue feeding vertically-rising edge (7) is 0.35mm.