CN217704478U

CN217704478U - Mold structure for bottom shell of display

Info

Publication number: CN217704478U
Application number: CN202221852553.6U
Authority: CN
Inventors: 刘振财
Original assignee: Shenzhen Jiers Technologies Co ltd
Current assignee: Shenzhen Jiers Technologies Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-11-01
Anticipated expiration: 2032-07-18

Abstract

The utility model relates to a mould technical field, in order to solve the technical problem that the complete set beer nut of current mould structure imperfection production easily takes place to beat from top to bottom and leads to the product yield low, the utility model discloses a mould structure for display drain pan, including front template and back template, the top of front template is provided with the shrouding, and the bottom of back template is passed through mould foot and lower shrouding butt, is provided with preceding mould benevolence in the front template, is provided with back mould benevolence in the back template, sets up the first mold insert that is used for steady cover beer nut in the back mould benevolence, sets up the second mold insert that is used for adapter sleeve beer nut in the interior second mold insert that is used for of preceding mould benevolence. Through set up the first mold insert that is used for steady cover beer nut in back mould benevolence, set up the second mold insert that is used for connecting cover beer nut in front mould benevolence, through the position of the steady cover beer nut of first mold insert and second mold insert, avoid appearing the position skew, prevent that the beer nut from jumping from top to bottom to improve the product yield.

Description

Mold structure for bottom shell of display

Technical Field

The utility model relates to a mold structure technical field especially relates to a mold structure for display drain pan.

Background

The mold is a variety of molds and tools used in industrial production for obtaining desired products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping, etc. in short, the mold is a tool for manufacturing molded articles, the tool is composed of various parts, and different molds are composed of different parts.

The sleeve beer nut is characterized in that a layer of plastic rubber sleeve is tightly nested outside a metal nut and is generally formed by secondary injection molding of the nut. In some plastic products, sleeve-die nuts are arranged, the yield of the existing mold is low during molding, as shown in fig. 1, for example, a display shell is taken as an example, four sleeve-die nuts 31 are embedded in a display bottom shell 30, and in the existing mold structure, in the injection molding process of an injection molding machine, the sleeve-die nuts 31 are easy to jump up and down, so that the molding position of the sleeve-die nuts 31 deviates, and the yield is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould structure for display drain pan to solve current mould structure imperfection and make complete set beer nut and easily take place the technical problem that the vertical runout leads to the product yield to hang down.

In order to achieve the above object, the present invention provides a mold structure for a display bottom case, which comprises:

the utility model provides a mould structure for display drain pan, includes front template and back template, and the top of front template is provided with the shrouding, and the bottom of back template is provided with front mould benevolence through moulding foot and lower shrouding butt in the front template, is provided with back mould benevolence in the back template, sets up the first mold insert that is used for stable cover beer nut in the back mould benevolence, sets up the second mold insert that is used for connecting the beer nut in the front mould benevolence. Through set up the first mold insert that is used for the stable cover beer nut in back mould benevolence, set up the second mold insert that is used for the stable cover beer nut in front mould benevolence, through the position of the stable cover beer nut of first mold insert and second mold insert, avoid appearing the position skew, prevent the beer nut from jumping from top to bottom to improve the product yield.

Furthermore, the first insert is provided with a step groove for limiting the position of the beer sleeving nut, and the second insert is provided with a magnetic medium and is attracted with the beer sleeving nut through magnetic force. The step surface of the step groove can abut against the bottom of the sleeve beer nut, and the sleeve beer nut is fixed with the second insert through magnetic attraction, so that the position of the sleeve beer nut is stable on the whole.

Furthermore, the first insert is provided with a step groove for limiting the position of the sleeve beer nut, and the second insert is connected with the sleeve beer nut through a thread structure. The step surface of the step groove can abut against the bottom of the sleeve beer nut, and is fixed with the second insert through threaded connection, so that the sleeve beer nut is stable in position on the whole.

Furthermore, a water gap plate is further arranged between the front template and the upper sealing plate, a sprue bush for injecting materials is arranged in the middle of the upper sealing plate and the middle of the water gap plate, and the tail end of the sprue bush is correspondingly communicated with a main runner of the front template.

Furthermore, a molding cavity is formed on the front mold core and the rear mold core, and the tail end of the flow channel is communicated with the molding cavity.

Furthermore, auxiliary flow passages are arranged in the front mold core and the rear mold core, and the tail passages of the auxiliary flow passages are connected with a forming cavity.

The utility model provides a pair of a mould structure for display drain pan has following advantage:

through set up the first mold insert that is used for the stable cover beer nut in back mould benevolence, set up the second mold insert that is used for the stable cover beer nut in front mould benevolence, through the position of the stable cover beer nut of first mold insert and second mold insert, avoid appearing the position skew, prevent the beer nut from jumping from top to bottom to improve the product yield.

Drawings

Fig. 1 is a structural diagram of a bottom case of a display provided by the present invention;

fig. 2 is a first exploded view of the front mold core and the rear mold core according to the present invention;

fig. 3 is an enlarged view of the point a in fig. 2 according to the present invention;

fig. 4 is a second exploded view of the front mold core and the rear mold core according to the present invention;

FIG. 5 is a structural view of the front and rear mold inserts according to the present invention;

fig. 6 is a first structure diagram of a first insert and a second insert provided by the present invention;

fig. 7 is a second structural view of the first insert and the second insert provided by the present invention;

fig. 8 is a sectional structure view of the whole mold provided by the present invention.

In the figure: 11. an upper sealing plate; 12. a water gap plate; 13. a front template; 14. a front mold core; 15. a rear mold core; 151. a first insert; 152. a second insert; 1511. a step groove; 1521. a magnetic medium; 16. a rear template; 17. a thimble panel; 18. a thimble base plate; 19. a lower sealing plate; 191. an ejection aperture; 21. a sprue bush; 23. a mould leg; 24. ejecting the needle; 30. the display is over-positioned; 31. and (5) sleeving a beer nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 8, the utility model provides a pair of a mould structure for display drain pan, from top to bottom has set gradually shrouding 11, nozzle plate 12, front forms 13, back template 16, mold foot 23 and lower shrouding 19, front forms 13 and back template 16 are provided with front forms cavity and back template cavity respectively, be provided with front mould benevolence 14 and back mould benevolence 15 in front forms cavity and the back template cavity respectively, the middle part of going up shrouding 11 and nozzle plate 12 is equipped with the runner cover 21 that is used for annotating the material, the end of runner cover 21 corresponds the UNICOM with front forms 13's mainstream canal, be formed with the shaping chamber between front mould benevolence 14 and the back mould benevolence 15, be provided with in front mould benevolence 14 and the back mould benevolence 15 and assist the runner, assist the terminal and become the chamber UNICOM. An ejector pin panel 17 and an ejector pin panel 18 for driving an ejector pin 24 are arranged in a space formed by the rear template 16, the lower sealing plate 19 and the mold feet 23, the ejector pin 24 is used for ejecting a product formed after injection molding through the rear template 16 and the rear mold core 15 in a mold opening mode, and an ejection hole 191 is formed in the middle of the lower sealing plate 19 and used for driving the ejector bottom plate 18 through external force.

The sleeve-beer nut 31 is arranged in the injection product, and the existing mold is low in yield during molding, so that the molding position of the sleeve-beer nut 31 is deviated, and the yield is low. Therefore, a first insert 151 for stabilizing the beer nut 31 is arranged in the rear die core 15, a second insert 152 for connecting the beer nut 31 is arranged in the front die core 14, the position of the beer nut 31 is stabilized through the first insert 151 and the second insert 152, the position deviation is avoided, the beer nut 31 is prevented from jumping up and down, and the product yield is improved.

In one embodiment, as shown in fig. 7, the first insert 151 is provided with a stepped groove 1511 defining a position of the bell nut 31, the second insert 152 is provided with a magnetic medium 1521, the magnetic medium 1521 may be provided at a bottom of the second insert 152, and the magnetic medium 1521 is preferably a magnet and magnetically attracted to the bell nut 31. The step surface of the step groove 1511 may abut against the bottom of the sleeve nut 31, and the sleeve nut 31 is fixed to the second insert 152 by magnetic attraction, so that the sleeve nut 31 is stable as a whole.

In one embodiment, as shown in fig. 6, the first insert 151 is provided with a stepped groove 1511 defining a position of the cap nut 31, and the second insert 152 is connected to the cap nut 31 by a screw structure. The step surface of the step groove 1511 may abut against the bottom of the sleeve nut 31, and the second insert 152 is fixed by the threaded connection, so that the sleeve nut 31 is stable as a whole.

To sum up, the utility model provides a pair of a mould structure for display drain pan through set up the first mold insert that is used for steady cover beer nut in back mould benevolence, sets up the second mold insert that is used for adapter sleeve beer nut in front mould benevolence, through the position of the steady cover beer nut of first mold insert and second mold insert, avoids appearing the skew, prevents the beer nut from jumping from top to bottom to improve the product yield.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a mould structure for display drain pan, includes front forms (13) and back template (16), the top of front forms (13) is provided with shrouding (11), the bottom of back template (16) is passed through die leg (23) and is closed (19) butt down, its characterized in that, be provided with front mould benevolence (14) in front forms (13), be provided with back mould benevolence (15) in back template (16), set up in back mould benevolence (15) and be used for stablizing first mold insert (151) of cover beer nut (31), set up second mold insert (152) that are used for adapter sleeve beer nut (31) in front mould benevolence (14).

2. The mold structure for a display bottom chassis according to claim 1, wherein the first insert (151) is provided with a step groove (1511) defining a position of a bell nut (31), and the second insert (152) is provided with a magnetic medium (1521) to be magnetically attracted to the bell nut (31).

3. A mold structure for a bottom chassis of a display device according to claim 1, wherein the first insert (151) is provided with a stepped groove (1511) defining a position of a sleeve nut (31), and the second insert (152) is coupled with the sleeve nut (31) by a screw structure.

4. The mold structure for a bottom case of a display according to claim 2 or 3, wherein a nozzle plate (12) is further disposed between the front mold plate (13) and the upper closing plate (11), a sprue bush (21) for injecting material is disposed in the middle of the upper closing plate (11) and the nozzle plate (12), and the end of the sprue bush (21) is correspondingly communicated with the main flow channel of the front mold plate (13).

5. The mold structure for a bottom chassis of a display according to claim 3, wherein the front mold core (14) and the rear mold core (15) are formed with a molding cavity, and ends of the runners are communicated with the molding cavity.

6. The mold structure for a bottom chassis of a display according to claim 4, wherein the front mold core (14) and the rear mold core (15) have auxiliary runners disposed therein, and the auxiliary runners are connected to the end of the auxiliary runners to form a molding cavity.