CN211389931U

CN211389931U - Injection mold of cell-phone shell

Info

Publication number: CN211389931U
Application number: CN201922233652.0U
Authority: CN
Inventors: 危锋
Original assignee: Guangdong Miwa Technology Co ltd
Current assignee: Guangdong Miwa Technology Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-09-01
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses an injection mold of cell-phone shell, including base, square iron, die holder, lower baffle, upper die base, hot runner template and ejector plate, be provided with two lower mold cores on the die holder, each lower mold core includes cover half benevolence, pushes up and the slider to one side, and the cover half benevolence constitutes lower mould benevolence with the cooperation of pushing up to one side, is provided with on the slider with cover half benevolence matched with side core, is provided with the mold core on the upper die base, is provided with the last die cavity of establishing to the upper die core on, go up the mold core be provided with all around with corresponding the front mould shovel base that the slider cooperatees and compresses tightly is provided with the liftout subassembly between the square iron, matches the separation on drive cover half benevolence and the top to it. The utility model relates to an injection mold of cell-phone shell is used for the adversary casing to carry out injection moulding, and injection moulding's cell-phone shell high quality is high, and is high with the matching degree of cell-phone, and simultaneously, injection mold can once produce two cell-phone shells, has improved production efficiency greatly.

Description

Injection mold of cell-phone shell

Technical Field

The utility model relates to an injection mold field, in particular to injection mold of cell-phone shell.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. 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 generally includes an upper mold, a lower mold, an upper mold core disposed on the upper mold, a lower mold core disposed on the lower mold core, and a matched mold closing/releasing operation between the upper mold core and the lower mold core is performed to complete the injection molding.

With the rise of mobile phones and the popularization of smart phones, smart phones have become indispensable products for people's life. In the process of using the mobile phone, the mobile phone is often soiled, and is thrown or smashed. Therefore, in the prior art, people often protect the mobile phone by the mobile phone sheath, and the probability of the mobile phone being polluted and broken is reduced by the mobile phone sheath. Current cell-phone lag is mostly plastic or silica gel lag, and the protective sheath of plastic or silica gel passes through injection mold integrated into one piece, however, the injection mold design of current cell-phone shell is complicated, and the shaping effect is poor, and the cell-phone shell quality after the shaping is coarse low with the cell-phone cooperation degree, and once mould plastics can only one shaping cell-phone shell, and production efficiency is low, is not suitable for industrial application.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the defect that exists among the above-mentioned prior art, provide an injection mold of cell-phone shell to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows: an injection mold of a mobile phone shell comprises a base, square iron, a lower mold base, a lower partition plate, an upper mold base, a hot runner template and a top template, wherein the square iron is arranged on the left side and the right side of the base, the lower partition plate is arranged on the square iron, the lower mold base is arranged on the lower partition plate, the upper mold base, the hot runner template and the top template are sequentially arranged on the lower mold base from bottom to top, two lower mold cores are arranged on the lower mold base, each lower mold core comprises a fixed mold core, oblique tops respectively arranged at four corners of the fixed mold core and sliding blocks arranged around the fixed mold core, the fixed mold core and the oblique tops are matched to form the lower mold core, side mold cores matched with the fixed mold core are arranged on the sliding blocks, upper mold cores corresponding to the lower mold cores one by one are arranged on the upper mold core, upper mold cavities which are arranged in an upward concave manner and correspond to the lower mold cores one, the upper die core is provided with a front die shovel base which is matched and pressed with the corresponding sliding block, when the die is closed, the side die core, the lower die core and the upper die cavity are matched to form a die cavity of the formed mobile phone shell, an ejection component is arranged between the square irons, the ejection component extends upwards to penetrate through the lower die base and the lower die core to be connected with the inclined top, and the fixed die core and the inclined top are driven to be separated or folded in a matched mode, so that the formed mobile phone shell is ejected out.

As a further elaboration of the above technical solution:

in the technical scheme, a heat insulation plate is arranged above the top template, the top template and the heat insulation plate are provided with a rubber serge mouth, an upper mold hot runner is arranged in the hot runner template, the upper mold hot runner is communicated with the cavity, and the hot runner template is provided with a hot runner interface connected with the upper mold hot runner.

In the technical scheme, an upper die cooling water channel is arranged between the hot runner template and the upper die base, and a lower die cooling water channel is arranged between the lower partition plate and the lower die base.

In the above technical scheme, the side core includes a first side core for molding the audio signal, a second side core for molding the audio signal, a third side core and a fourth side core for molding the audio signal, the first side core having a volume up/down key portion, the second side core having a switch key portion, and the third side core and the fourth side core having a charge hole and an audio external hole, and the upper cavity is provided with a camera hole molding male die for molding the camera hole.

In the technical scheme, the square iron is fixedly connected with the base through bolts, and the lower partition plate is fixedly connected with the square iron and the lower die base and the lower partition plate through bolts; the upper die base is fixedly connected with the hot runner template, the hot runner template is fixedly connected with the top template, and the top template is fixedly arranged on the lower die base through a slider pressing block.

In the technical scheme, the sliding block is provided with a first inclined wedge surface, the front mould shovel base is provided with a second inclined wedge surface matched with the first inclined wedge surface, and the sliding block is movably connected with the front mould shovel base through a bolt.

In the technical scheme, the ejection assembly comprises a bottom plate, a top plate, a plurality of first guide pillars and an inclined ejection assembly, the bottom plate and the top plate are sequentially arranged between square irons from bottom to top, the first guide pillars are fixedly arranged between the bottom plate and a lower partition plate, and the inclined ejection assembly is fixedly arranged on the bottom plate and extends upwards to penetrate through the top plate and a lower die holder to be fixedly connected with corresponding inclined ejectors.

In the above technical scheme, the liftout subassembly further includes a plurality of second guide pillars, the second guide pillars are fixedly installed on the bottom plate and the top plate, and penetrate through the lower partition plate and the lower die plate upwards, and move up and down in the lower partition plate and the lower die plate.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model relates to an injection mold of cell-phone shell is used for the adversary casing to carry out injection moulding, and injection moulding's cell-phone shell high quality is high, and is high with the matching degree of cell-phone, simultaneously, and injection mold can once production two cell-phone shells, has improved production efficiency greatly, just the utility model discloses an injection mold structure is simpler, the subsequent maintenance of being convenient for.

Drawings

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

FIG. 2 is a schematic view of an assembly structure of the middle base, the square iron, the lower die holder, the lower die core and the lower partition plate of the present invention;

FIG. 3 is a schematic top view of the middle and lower mold bases and the lower mold core of the present invention;

FIG. 4 is a schematic view of the exploded structure of the middle base, square iron, lower die holder, lower die core, lower partition plate and ejector assembly of the present invention;

FIG. 5 is a schematic top view of the upper die holder and the upper die core of the present invention;

fig. 6 is a schematic view of an assembly structure of the middle heat-insulating plate, the top mold plate, the hot runner mold plate and the upper mold base of the present invention.

In the figure: 1. a base; 2. square iron; 3. a lower die holder; 31. a lower mold core; 32. fixing a mold core; 33. obliquely ejecting; 34. a slider; 35. a side core; 351. a first side core; 352. a second side core; 353. a third side core; 354. a fourth side core; 36. a lower die core; 4. a lower partition plate; 5. an upper die holder; 51. an upper mold core; 52. an upper cavity; 53. a front mold shovel base; 6. a hot runner template; 7. a top template; 8. a material ejecting component; 81. a base plate; 82. a top plate; 83. a first guide post; 84. the inclined top ejection assembly; 85. a second guide post; 9. a heat insulation plate; 10. feeding a rubber creakus; 11. an upper die hot runner; 12. a hot runner interface; 13. an upper mold cooling water channel; 14. and a lower die cooling water channel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in fig. 1-6, an injection mold for a mobile phone shell comprises a base 1, square iron 2, a lower die holder 3, a lower partition plate 4, an upper die holder 5, a hot runner template 6 and a top template 7, wherein the square iron 2 is disposed on the left and right sides of the base 1, the lower partition plate 4 is disposed on the square iron 2, the lower die holder 3 is disposed on the lower partition plate 4, the upper die holder 5, the hot runner template 6 and the top template 7 are sequentially disposed on the lower die holder 3 from bottom to top, the lower die holder 3 is provided with two lower die cores 31, each of the lower die cores 31 comprises a fixed die core 32, oblique ejectors 33 respectively disposed at four corners of the fixed die core 32 and sliders 34 disposed around the fixed die core 32, the fixed die core 32 and the oblique ejectors 33 are matched to form a lower die core 36, the sliders 34 are provided with side die cores 35 matched with the fixed die core 32, the upper die holder 5 is provided with upper die cores 51 corresponding to the lower die cores 31 one by, the upper die core 51 is provided with upper die cavities 52 which are arranged in an upward concave manner and correspond to the lower die cores 36 one by one, the periphery of the upper die core 51 is provided with front die shovel bases 53 which are matched and pressed with the corresponding sliding blocks 34, when the die is closed, the side die cores 35, the lower die cores 36 and the upper die cavities 52 are matched to form a die cavity for forming the mobile phone shell, the ejection component 8 is arranged between the square irons 2, the ejection component 8 extends upwards to penetrate through the lower die base 3 and the lower die core 31 to be connected with the inclined top 33, and the fixed die cores 32 and the inclined top 33 are driven to be separated or folded in a matching manner to eject the formed mobile phone shell.

As shown in fig. 6, a heat insulation plate 9 is installed above the top mold plate 7, a rubber gate 10 is installed on the top mold plate 7 and the heat insulation plate 9, an upper mold hot runner 11 is installed in the hot runner mold plate 6, the upper mold hot runner 11 is communicated with the cavity, and a hot runner interface 12 connected with the upper mold hot runner 11 is installed on the hot runner mold plate 6.

Preferably, as shown in fig. 6, an upper mold cooling water channel 13 is disposed between the hot runner mold plate 6 and the upper mold base 5, and a lower mold cooling water channel 14 is disposed between the lower partition plate 4 and the lower mold base 3.

Specifically, as shown in fig. 3, the side cores 35 include a first side core 351 for molding a volume up/down key portion, a second side core 352 for molding an on/off key portion, and third and

fourth side cores

353 and 354 for molding a charge hole and an audio external hole, and the upper cavity 52 is provided with a camera hole molding male die 521 for molding a camera hole.

In the embodiment, the square iron 2 is fixedly connected with the base 1 through bolts, and the lower partition plate 4 is fixedly connected with the square iron 2 and the lower die holder 3 is fixedly connected with the lower partition plate 4 through bolts; the upper die base 5 and the hot runner template 6, the hot runner template 6 and the top template 7, and the top template 7 and the heat insulation plate 9 are fixedly connected through bolts, and the sliding block 34 is fixedly arranged on the lower die base 3 through a sliding block pressing block 37.

Specifically, as shown in fig. 4, a first inclined wedge surface is arranged on the sliding block 34, a second inclined wedge surface matched with the first inclined wedge surface is arranged on the front mold shovel base 53, and the sliding block 34 and the front mold shovel base 53 are movably connected through a bolt.

As shown in fig. 2 and 4, the ejector assembly 8 includes a bottom plate 81, a top plate 82, a plurality of first guide posts 83 and an inclined ejector assembly 84, the bottom plate 81 and the top plate 82 are sequentially disposed between the square irons 2 from bottom to top, the first guide posts 83 are fixedly disposed between the bottom plate 81 and the lower partition plate 4, and the inclined ejector assembly 84 is fixedly disposed on the bottom plate 81 and extends upward to penetrate through the top plate 82 and the lower die holder 3 to be fixedly connected with the corresponding inclined ejector 33.

Preferably, as shown in fig. 2 and 4, the liftout assembly 8 further includes a plurality of second guide posts 85, and the second guide posts 85 are fixedly mounted on the bottom plate 81 and the top plate 82, and upwardly penetrate through the lower partition plate 4 and the lower die holder 3, and move up and down in the lower partition plate 45 and the lower die holder 3.

During the time of moulding plastics, go up die holder 5 and 3 compound dies of die holder, the plastic circulates to the die cavity through last mould hot runner 11 and carries out injection moulding, obtain the cell-phone shell after the shaping, go up die holder 5 and 3 separation of die holder and drive slider 34 and the separation of front mould shovel base 53, drive side core 35 and keep away from fashioned cell-phone shell, and simultaneously, the ejecting subassembly 84 in top will push up 33 to one side and open keeping away from fashioned cell-phone shell, and the manipulator takes out fashioned cell-phone shell, accomplishes complete action so far.

The utility model relates to an injection mold of cell-phone shell is used for the adversary casing to carry out injection moulding, and injection moulding's cell-phone shell high quality is high, and is high with the matching degree of cell-phone, simultaneously, and injection mold can once production two cell-phone shells, has improved production efficiency greatly, just the utility model discloses an injection mold structure is simpler, the subsequent maintenance of being convenient for.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides an injection mold of cell-phone shell, includes base, square iron, die holder, lower baffle, upper die base, hot runner template and cope match-plate pattern, the square iron sets up on the left and right sides of base, the lower baffle is installed on the square iron, the die holder is installed on the lower baffle, upper die base, hot runner template and cope match-plate pattern are installed from bottom to top in proper order on the die holder, its characterized in that: the mobile phone shell comprises a lower die base, a fixed die core, two lower die cores and a sliding block, wherein the lower die core is arranged on the lower die base, each lower die core comprises a fixed die core, oblique ejectors respectively arranged at four corners of the fixed die core and a sliding block arranged on the periphery of the fixed die core, the fixed die core and the oblique ejectors are matched to form a lower die core, side die cores matched with the fixed die cores are arranged on the sliding block, upper die cores corresponding to the lower die cores one by one are arranged on the upper die base, upper die cavities which are arranged in an upward concave mode and correspond to the lower die cores one by one are arranged on the upper die cores, front die shovel bases matched and pressed with the corresponding sliding blocks are arranged on the periphery of the upper die cores, when the mobile phone shell is assembled by the die, the side die cores, the lower die cores and the upper die cavities are matched to form a die cavity for forming the mobile phone shell, an ejecting component, and ejecting the molded phone case.

2. The injection mold for the mobile phone shell according to claim 1, wherein a heat insulation plate is installed above the top mold plate, the top mold plate and the heat insulation plate are provided with a rubber gate, an upper mold hot runner is arranged in the hot runner mold plate and communicated with the cavity, and the hot runner mold plate is provided with a hot runner port connected with the upper mold hot runner.

3. The injection mold for mobile phone shells as claimed in claim 2, wherein an upper mold cooling water passage is provided between said hot runner mold plate and said upper mold base, and a lower mold cooling water passage is provided between said lower partition plate and said lower mold base.

4. The injection mold for a cellular phone case of claim 1, wherein the side cores comprise a first side core for forming the volume up and down key portions, a second side core for forming the on/off key portions, a third side core and a fourth side core for forming the charge hole and the audio outlet, and a camera hole forming male mold for forming the camera hole is provided on the upper cavity.

5. The injection mold for the mobile phone shell according to claim 2, wherein the square iron is fixedly connected with the base through bolts, and the lower partition plate is fixedly connected with the square iron and the lower die holder is fixedly connected with the lower partition plate through bolts; the upper die base is fixedly connected with the hot runner template, the hot runner template is fixedly connected with the top template, and the top template is fixedly arranged on the lower die base through a slider pressing block.

6. The injection mold for the mobile phone shell according to claim 1, wherein the sliding block is provided with a first inclined wedge surface, the front mold shovel base is provided with a second inclined wedge surface matched with the first inclined wedge surface, and the sliding block is movably connected with the front mold shovel base through a bolt.

7. The injection mold for the mobile phone shell according to claim 1, wherein the ejector assembly comprises a bottom plate, a top plate, a plurality of first guide pillars and an inclined ejector assembly, the bottom plate and the top plate are sequentially arranged between square irons from bottom to top, the first guide pillars are fixedly arranged between the bottom plate and a lower partition plate, and the inclined ejector assembly is fixedly arranged on the bottom plate and extends upwards to penetrate through the top plate and a lower die holder to be fixedly connected with corresponding inclined ejectors.

8. The injection mold for the mobile phone shell according to claim 7, wherein the ejector assembly further comprises a plurality of second guide pillars, the second guide pillars are fixedly installed on the bottom plate and the top plate, and penetrate through the lower partition plate and the lower template upwards to move up and down in the lower partition plate and the lower template.