CN212194011U

CN212194011U - Injection mold for injection molding display middle frame

Info

Publication number: CN212194011U
Application number: CN202020734584.6U
Authority: CN
Inventors: 金辉
Original assignee: Wujiang Saiwangda Precision Electronics Co ltd
Current assignee: Wujiang Saiwangda Precision Electronics Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-12-22
Anticipated expiration: 2030-05-07

Abstract

The utility model discloses an injection mold of an injection molding display center, which comprises a base, wherein a lower die holder is arranged in the middle of the upper side of the base, a lower die groove is arranged in the lower die holder, a positioning vertical wall is arranged at the upper side of the lower die groove, stand columns are arranged at two ends of the upper side of the base, an injection molding top plate is arranged at the top of the stand column, a hydraulic cylinder is arranged in the middle of the lower side of the injection molding top plate, an upper die holder is arranged at the lower side of the hydraulic cylinder, an injection molding hole is arranged at the upper side of the upper die holder, an upper die groove is arranged at the lower side of the upper die holder, a positioning groove is arranged in the upper die holder at the outer side of the upper die groove, a water cooling cavity is arranged in the lower die holder at the outer side of the lower die groove, the positioning vertical wall is inserted in the positioning groove, the upper die, the cooling treatment can be performed on the outer side of the lower die cavity.

Description

Injection mold for injection molding display middle frame

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold who moulds plastics into display center.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification. The injection mold is divided into a thermosetting plastic mold and a thermoplastic plastic mold according to the molding characteristics; according to the forming process, the method is divided into a transfer mold, a blow mold, a cast mold, a hot forming mold, a hot pressing mold (compression mold), an injection mold and the like, wherein the hot pressing mold can be divided into a flash type, a semi-flash type and a non-flash type by a flash mode, and the injection mold can be divided into a cold runner mold and a hot runner mold by a pouring system; the device can be divided into a movable type and a fixed type according to the loading and unloading mode.

The existing injection mold for the middle frame of the injection molding type display has poor butt joint precision of an upper mold and a lower mold, and has poor heat dissipation effect, so that the molding quality of the mold is influenced, and continuous injection molding treatment is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold of moulding plastics into display device center to solve the current injection mold who moulds plastics into display device center, it is poor to go up the lower mould butt joint precision, and injection mold radiating effect is relatively poor moreover, thereby influences the fashioned quality of mould, the continuous injection moulding of not being convenient for handles the problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold who moulds plastics into display center, includes the base, base upside mid-mounting has the die holder, the inside lower die cavity of having seted up of die holder, lower die cavity upside are installed and are fixed a position the upright wall, the stand is installed at base upside both ends, the roof of moulding plastics is installed at the stand top, roof downside mid-mounting of moulding plastics has the pneumatic cylinder, the upper die base is installed to the pneumatic cylinder downside, the hole of moulding plastics has been seted up to the upper die base upside, the cope match-plate pattern groove has been seted up to the upper die base downside, the constant head tank has been seted up in the upper die base in the cope match-plate pattern groove outside, the water-cooling.

Furthermore, a water delivery channel is connected between the water cooling cavities, and one end of the water delivery channel is connected with a water inlet and a water outlet respectively.

Furthermore, positioning columns are arranged on four corners of the upper side of the lower die base, and positioning holes are arranged on four corners of the lower side of the upper die base.

Furthermore, the positioning groove and the positioning vertical wall are arranged up and down correspondingly, and the positioning groove and the positioning vertical wall are both arranged in a square shape.

Further, the guide sliding seats are installed on two sides of the upper die base, and the guide sliding seats are slidably sleeved on the outer sides of the stand columns.

Further, a blanking plate is installed at the bottom in the lower die cavity, and the lower side of the blanking plate is in transmission connection with an air cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a lower die cavity upside is installed the location and is found the wall, has seted up the constant head tank in the upper die base in the cope match-plate pattern groove outside, and with the location found the wall and insert and establish in the constant head tank, the accurate butt joint processing about being convenient for lower die cavity and the cope match-plate pattern groove is favorable to improving the quality of injection moulding product.

2. The utility model discloses a water-cooling chamber has been seted up in the die holder in the lower die cavity outside, connects the water delivery passageway between the water-cooling chamber, and water delivery passageway one end is connected with water inlet and delivery port respectively, through to water-cooling intracavity circulative transport cooling water, can carry out cooling treatment to the lower die cavity outside, and the cooling effect is better.

3. The utility model discloses moreover install down the flitch through the bottom in the lower die cavity, and lower flitch downside transmission is connected with the cylinder, and the flitch oscilaltion is adjusted under the cylinder drive, is convenient for unload the mould to the lower die cavity and handles.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the lower die holder of the present invention;

fig. 3 is an enlarged schematic view of the structure at a of the present invention.

In the figure: 1. a base; 2. a column; 3. injection molding a top plate; 4. a hydraulic cylinder; 5. an upper die holder; 6. a lower die holder; 7. a guide slide; 8. molding a die cavity; 9. injection molding holes; 10. positioning holes; 11. a positioning column; 12. a lower mould cavity; 13. positioning a groove; 14. positioning the vertical wall; 15. a water delivery channel; 16. a water inlet; 17. a cylinder; 18. a water-cooled cavity; 19. a blanking plate; 20. and (7) a water outlet.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 3, in an embodiment of the present invention, an injection mold for injection molding a middle frame of a display includes a base 1, a lower mold base 6 is installed at the middle of the upper side of the base 1, a lower mold cavity 12 is installed inside the lower mold base 6, a positioning vertical wall 14 is installed at the upper side of the lower mold cavity 12, columns 2 are installed at both ends of the upper side of the base 1, an injection top plate 3 is installed at the top of each column 2 for supporting the upper portion of the mold, a hydraulic cylinder 4 is installed at the middle of the lower side of the injection top plate 3, an upper mold base 5 is installed at the lower side of the hydraulic cylinder 4, an injection hole 9 is opened at the upper side of the upper mold base 5, an upper mold cavity 8 is opened at the lower side of the upper mold base 5, the upper mold base 5 is pressed on the lower mold base 6, and the upper mold cavity 8 and the lower mold cavity 12 are butted up and down, injection molding is performed through the injection hole 9, a, be favorable to improving the quality of injection moulding product, set up water-cooling chamber 18 in the die holder 6 in the lower die cavity 12 outside, through to water-cooling chamber 18 inner loop delivery cooling water, connect water channel 15 between the water-cooling chamber 18, water channel 15 one end is connected with water inlet 16 and delivery port 20 respectively, can carry out cooling treatment to the lower die cavity 12 outside, is favorable to improving mould shaping speed.

Preferably, the four corners of the upper side of the lower die holder 6 are provided with positioning columns 11, and the four corners of the lower side of the upper die holder 5 are provided with positioning holes 10, so that the upper die holder 5 and the lower die holder 6 can be conveniently butted up and down.

Preferably, the positioning groove 13 and the positioning vertical wall 14 are vertically and correspondingly arranged, and the positioning groove 13 and the positioning vertical wall 14 are both arranged in a square shape, so that the positioning vertical wall 14 can be conveniently inserted into the positioning groove 13 for positioning.

7 preferably, direction slide 7 is installed to upper die base 5 both sides, and the slip cover of direction slide 7 is established in the stand 2 outside, is convenient for carry out the direction processing to upper die base 5 both sides, is favorable to improving the stability that upper die base 5 removed the regulation.

Preferably, the bottom of the lower die cavity 12 is provided with a blanking plate 19, the lower side of the blanking plate 19 is connected with a cylinder 17 in a transmission manner, and the blanking plate 19 is driven by the cylinder 17 to lift up and down for adjustment, so that the lower die cavity 12 is conveniently subjected to die unloading treatment.

The utility model discloses a theory of operation and use flow: the upper die holder 5 is pressed on the lower die holder 6, the upper die groove 8 and the lower die groove 12 are butted up and down, injection molding is carried out through the injection molding hole 9, the positioning vertical wall 14 is installed on the upper side of the lower die groove 12, the positioning groove 13 is formed in the upper die holder 5 on the outer side of the upper die groove 8, the positioning vertical wall 14 is inserted into the positioning groove 13, accurate up-and-down butting treatment of the lower die groove 12 and the upper die groove 8 is facilitated, and the quality of injection molding products is improved; water cooling cavity 18 is arranged in lower die holder 6 outside lower die cavity 12, cooling water is conveyed to the inner circulation of water cooling cavity 18, cooling treatment can be carried out on the outer side of lower die cavity 12, the cooling effect is good, and continuous injection molding treatment is facilitated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An injection mold for injection molding of a middle frame of a display comprises a base (1) and is characterized in that: base (1) upside mid-mounting has die holder (6), die holder (6) are inside to have seted up down type die cavity (12), and location founds wall (14) is installed to lower type die cavity (12) upside, stand (2) are installed at base (1) upside both ends, roof (3) of moulding plastics are installed at stand (2) top, roof (3) downside mid-mounting of moulding plastics has pneumatic cylinder (4), upper die base (5) are installed to pneumatic cylinder (4) downside, upper die cavity (8) have been seted up to upper die base (5) downside, constant head tank (13) have been seted up in upper die base (5) in the upper die cavity (8) outside, water-cooling chamber (18) have been seted up in die holder (6) in the lower type die cavity (12) outside.

2. An injection mold for injection molding a frame in a display according to claim 1, wherein: and a water delivery channel (15) is connected between the water cooling cavities (18), and one end of the water delivery channel (15) is respectively connected with a water inlet (16) and a water outlet (20).

3. An injection mold for injection molding a frame in a display according to claim 1, wherein: and positioning columns (11) are arranged at four corners of the upper side of the lower die base (6), and positioning holes (10) are arranged at four corners of the lower side of the upper die base (5).

4. An injection mold for injection molding a frame in a display according to claim 1, wherein: the positioning groove (13) and the positioning vertical wall (14) are arranged up and down correspondingly, and the positioning groove (13) and the positioning vertical wall (14) are both arranged in a square shape.

5. An injection mold for injection molding a frame in a display according to claim 1, wherein: and guide sliding seats (7) are installed on two sides of the upper die base (5), and the guide sliding seats (7) are slidably sleeved on the outer sides of the stand columns (2).

6. An injection mold for injection molding a frame in a display according to claim 1, wherein: and a blanking plate (19) is arranged at the bottom in the lower die cavity (12), and an air cylinder (17) is connected to the lower side of the blanking plate (19) in a transmission manner.