CN212498762U - Accurate cell-phone shell production injection mold - Google Patents
Accurate cell-phone shell production injection mold Download PDFInfo
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- CN212498762U CN212498762U CN202021147078.3U CN202021147078U CN212498762U CN 212498762 U CN212498762 U CN 212498762U CN 202021147078 U CN202021147078 U CN 202021147078U CN 212498762 U CN212498762 U CN 212498762U
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- moulding plastics
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Abstract
The utility model discloses an accurate cell-phone shell production injection mold, including bottom plate and lower module, two stoppers of mutual symmetry are fixed to be equipped with of the top surface of bottom plate, the joint can be dismantled between two stoppers to the lower module, the top surface of bottom plate is still fixed to be equipped with four support columns that are the distribution of rectangular array, the top fixedly connected with roof of four support columns, and four support columns are located the four corners department of roof bottom surface respectively, the groove of moulding plastics has been seted up to the top surface of lower module, the fixed filling block that is equipped with of tank bottom in the groove of moulding plastics, the notch outer lane in the groove of moulding plastics is fixed to be equipped with sealed the pad, the hole of moulding plastics that. The injection molding hole communicated with the injection molding groove is formed in the side wall of one side of the injection molding groove, the spring groove is formed in one end, close to the injection molding groove, of the injection molding hole, the first spring is fixedly connected to the groove bottom of the spring groove, and the oblique cutting block, far away from the groove bottom of the spring groove, of one end of the first spring is fixedly connected to the oblique cutting block, so that the injection molding residual formation of the mold can be avoided when the mold is used for injection molding.
Description
Technical Field
The utility model relates to an injection mold field, in particular to accurate cell-phone shell production injection mold.
Background
An injection mold is a tool for producing plastic products; the injection molding is a processing method used in batch production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification;
the prior injection mold for producing the mobile phone shell has the problems that partial marks of an injection hole can be remained on the surface of a product, the quality of the product is influenced, the fixing and the dismounting of the mold are inconvenient, and the defects in appearance can greatly influence the marketing and the popularization of the product; therefore, it is necessary to develop a precision injection mold for manufacturing mobile phone cases to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an accurate cell-phone shell production injection mold to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an injection mold for producing a precision mobile phone shell comprises a bottom plate and a lower module, wherein two mutually symmetrical limiting blocks are fixedly arranged on the top surface of the bottom plate, the lower module is detachably clamped between the two limiting blocks, four supporting columns distributed in a rectangular array are fixedly arranged on the top surface of the bottom plate, a top plate is fixedly connected to the top ends of the four supporting columns, and the four supporting columns are respectively positioned at four corners of the bottom surface of the top plate;
the top surface of lower module has been seted up and has been moulded plastics the groove, the fixed filling block that is equipped with of tank bottom in the groove of moulding plastics, the notch outer lane in the groove of moulding plastics is fixed and is equipped with sealed the pad, the hole of moulding plastics that communicates each other with it is seted up to one side lateral wall in the groove of moulding plastics, the hole of moulding plastics has been close to the one end in the groove of moulding plastics and has been seted up the spring groove, the first spring of tank bottom fixedly connected with in spring groove, the oblique stripping and slicing of one end fixed connection of keeping away from.
Preferably, the thickness of the side wall between the spring groove and the injection molding groove is 0.3mm-0.5mm, and one side of the oblique cutting block, which is far away from the injection molding groove, is provided with an oblique cutting surface.
Preferably, the bottom end of the filling block is fixedly attached to the bottom of the injection molding groove, the height of the filling block is lower than that of the injection molding groove, and the height difference between the filling block and the injection molding groove is just equal to the thickness of the back film of the mobile phone shell.
Preferably, an inserting rod penetrates through the middle of the top plate, a second spring is sleeved on the outer side of the lower end of the inserting rod, and an upper module is fixedly connected to the bottom end of the inserting rod.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a set up the injection molding hole that communicates with each other at one side lateral wall of injection molding groove, the one end that the injection molding hole is close to the injection molding groove has seted up the spring groove, the tank bottom fixedly connected with first spring of spring groove, the one end fixedly connected oblique stripping and slicing of the spring groove tank bottom of keeping away from of first spring, make this mould can avoid the injection molding to remain and form when moulding plastics;
2. the utility model discloses a two stoppers that are equipped with mutual symmetry in the top surface of bottom plate is fixed, and the middle part of roof runs through there is the inserted bar, and the second spring has been cup jointed in the lower extreme outside of inserted bar, and the bottom fixedly connected with of inserted bar goes up the module for the rigidity of module is unchangeable down when moulding plastics.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the present invention.
Fig. 2 is an enlarged schematic structural view of a position a in fig. 1 according to the present invention.
Fig. 3 is the utility model discloses lower module is cut open structure schematic diagram downwards.
In the figure: 1. a base plate; 11. a limiting block; 12. a support pillar; 2. a lower module; 21. injection molding a groove; 211. filling blocks; 212. a gasket; 22. injection molding holes; 23. a spring slot; 231. a first spring; 232. obliquely cutting into blocks; 3. a top plate; 31. inserting a rod; 311. a second spring; 312. and (4) an upper module.
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.
The utility model provides an injection mold for producing a precise mobile phone shell as shown in figures 1-3, which comprises a bottom plate 1 and a lower module 2, wherein two mutually symmetrical limit blocks 11 are fixedly arranged on the top surface of the bottom plate 1, the lower module 2 can be detachably clamped between the two limit blocks 11, four support columns 12 distributed in a rectangular array are also fixedly arranged on the top surface of the bottom plate 1, a top plate 3 is fixedly connected to the top ends of the four support columns 12, the four support columns 12 are respectively positioned at four corners of the bottom surface of the top plate 3, the bottom plate 1 and the top plate 3 form an injection molding workbench, the lower module 2 is clamped between the two limit blocks 11 in a sliding manner, so that the upper module 312 just compresses the lower module 2 under the elasticity of a second spring 311 and is mutually overlapped;
the top surface of the lower module 2 is provided with an injection molding groove 21, the bottom of the injection molding groove 21 is fixedly provided with a filling block 211, the outer ring of the notch of the injection molding groove 21 is fixedly provided with a sealing gasket 212, the side wall of one side of the injection molding groove 21 is provided with an injection molding hole 22 communicated with the injection molding groove, one end of the injection molding hole 22 close to the injection molding groove 21 is provided with a spring groove 23, the bottom of the spring groove 23 is fixedly connected with a first spring 231, one end of the first spring 231 far away from the bottom of the spring groove 23 is fixedly connected with an oblique cutting block 232, the upper module 312 is tightly pressed and overlapped with the lower module 2, the sealing gasket 212 is fixedly arranged on the outer ring of the notch of the injection molding groove 21, so that the sealing performance between the upper module 312 and the lower module 2 is good, an injection molding gun is not shown to be inserted into the injection molding hole 22, the oblique cutting surface of the oblique cutting block 232 moves towards the, after the injection molding is finished, the injection molding gun is drawn out, and meanwhile, the inclined cutting block 232 plugs the through hole communicated between the injection molding groove 21 and the injection molding hole 22 under the elastic force action of the first spring 231, so that the injection molding residual of the mold can be avoided during the injection molding;
the thickness of the side wall between the spring groove 23 and the injection molding groove 21 is 0.3mm-0.5mm, and one side of the oblique cutting block 232 away from the injection molding groove 21 is provided with an oblique cutting surface, so that the oblique cutting surface of the oblique cutting block 232 can retract into the spring groove 23 when receiving a horizontal force towards the injection molding groove 21, and the injection molding groove 21 is communicated with the injection molding hole 22.
The bottom end of the filling block 211 is fixedly attached to the bottom of the injection molding groove 21, the height of the filling block 211 is lower than that of the injection molding groove 21, the height difference between the filling block and the injection molding groove is just equal to the thickness of a back film of the mobile phone shell, and the appearance of the filling block 211 is consistent with that of the mold-opened mobile phone.
The inserted bar 31 has been run through in the middle part of roof 3, and the second spring 311 has been cup jointed in the lower extreme outside of inserted bar 31, and the module 312 is gone up to the bottom fixedly connected with of inserted bar 31 for go up module 312 and compress tightly module 2 down under the spring action of second spring 311, go up the cooperation of module 312 and two mutually symmetrical stopper 11, make the fixed position of module 2 unchangeable down when moulding plastics.
The utility model discloses the theory of operation: the bottom plate 1 and the top plate 3 form an injection molding workbench, the lower module 2 is clamped between the two limiting blocks 11 in a sliding mode, the upper module 312 is enabled to tightly press the lower module 2 under the elastic force of the second spring 311 and to be overlapped with each other, the sealing performance between the upper module 312 and the lower module 2 is enabled to be good through the sealing gasket 212 fixedly arranged on the outer ring of the notch of the injection molding groove 21, an injection molding gun is not shown and inserted into the injection molding hole 22, the oblique cutting surface of the oblique cutting block 232 moves towards the groove bottom direction of the spring groove 23 when receiving the force, exerted on the lower surface by the injection molding gun, in the horizontal direction, the injection molding gun enters the injection molding groove 21 and injects liquid plastic into the injection molding groove 21, the injection molding gun is extracted after injection molding, meanwhile, the oblique cutting block 232 blocks the through hole communicated with each other between the injection molding groove 21 and the injection molding hole 22 under the;
the thickness of the side wall between the spring groove 23 and the injection molding groove 21 is 0.3mm-0.5mm, and one side of the oblique cutting block 232 away from the injection molding groove 21 is provided with an oblique cutting surface, so that the oblique cutting surface of the oblique cutting block 232 can retract into the spring groove 23 when receiving a horizontal force towards the injection molding groove 21, and the injection molding groove 21 is communicated with the injection molding hole 22;
the bottom end of the filling block 211 is fixedly attached to the bottom of the injection molding groove 21, the height of the filling block 211 is lower than that of the injection molding groove 21, the height difference between the filling block and the injection molding groove is just equal to the thickness of a back film of the mobile phone shell, and the appearance of the filling block 211 is consistent with that of the mold-opened mobile phone;
the inserted bar 31 has been run through in the middle part of roof 3, and the second spring 311 has been cup jointed in the lower extreme outside of inserted bar 31, and the module 312 is gone up to the bottom fixedly connected with of inserted bar 31 for go up module 312 and compress tightly module 2 down under the spring action of second spring 311, go up the cooperation of module 312 and two mutually symmetrical stopper 11, make the fixed position of module 2 unchangeable down when moulding plastics.
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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (4)
1. The utility model provides a precision mobile phone shell production injection mold, includes bottom plate (1) and lower module (2), its characterized in that: the top surface of the bottom plate (1) is fixedly provided with two mutually symmetrical limiting blocks (11), the lower module (2) is detachably clamped between the two limiting blocks (11), the top surface of the bottom plate (1) is also fixedly provided with four supporting columns (12) distributed in a rectangular array, the top ends of the four supporting columns (12) are fixedly connected with a top plate (3), and the four supporting columns (12) are respectively positioned at four corners of the bottom surface of the top plate (3);
the top surface of lower module (2) has been seted up and has been moulded plastics groove (21), the fixed filling block (211) that is equipped with of tank bottom in the groove (21) of moulding plastics, the fixed sealed pad (212) that is equipped with in notch outer lane in the groove (21) of moulding plastics, mould plastics one side lateral wall in groove (21) and set up the hole (22) of moulding plastics that communicates each other with it, mould plastics hole (22) and be close to the one end in the groove (21) of moulding plastics and seted up spring groove (23), the first spring (231) of tank bottom fixedly connected with in spring groove (23), the oblique cutting piece (232) of one end fixed connection of keeping away from spring groove (23) tank bottom of first spring (231).
2. The injection mold for producing the precision mobile phone shell according to claim 1, wherein: the thickness of the side wall between the spring groove (23) and the injection molding groove (21) is 0.3-0.5 mm, and a chamfer is arranged on one side, away from the injection molding groove (21), of the oblique cutting block (232).
3. The injection mold for producing the precision mobile phone shell according to claim 1, wherein: the bottom of filling block (211) is fixed with the tank bottom of the groove of moulding plastics (21) and is laminated, the height of filling block (211) is less than the height of the groove of moulding plastics (21), and the difference in height of the two is just equal to the thickness of cell-phone shell notacoria.
4. The injection mold for producing the precision mobile phone shell according to claim 1, wherein: an inserting rod (31) penetrates through the middle of the top plate (3), a second spring (311) is sleeved on the outer side of the lower end of the inserting rod (31), and an upper module (312) is fixedly connected to the bottom end of the inserting rod (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021147078.3U CN212498762U (en) | 2020-06-18 | 2020-06-18 | Accurate cell-phone shell production injection mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021147078.3U CN212498762U (en) | 2020-06-18 | 2020-06-18 | Accurate cell-phone shell production injection mold |
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| CN212498762U true CN212498762U (en) | 2021-02-09 |
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| CN202021147078.3U Active CN212498762U (en) | 2020-06-18 | 2020-06-18 | Accurate cell-phone shell production injection mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910531A (en) * | 2021-09-28 | 2022-01-11 | 江阴道达汽车饰件有限公司 | Pre-deformation production equipment and production process for slender electroplated decorative strip |
-
2020
- 2020-06-18 CN CN202021147078.3U patent/CN212498762U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910531A (en) * | 2021-09-28 | 2022-01-11 | 江阴道达汽车饰件有限公司 | Pre-deformation production equipment and production process for slender electroplated decorative strip |
| CN113910531B (en) * | 2021-09-28 | 2022-05-24 | 江阴道达汽车饰件有限公司 | Pre-deformation production equipment and production process for slender electroplated decorative strip |
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