CN219838132U - Mobile phone shell injection mold - Google Patents

Abstract

The utility model provides a cell-phone shell injection mold, includes mould benevolence and lower mould benevolence, goes up the lower surface concave of mould benevolence and is equipped with the storage tank, and the inside wall of storage tank outwards expands from last down, goes up the mould benevolence and has seted up the several mounting hole around storage tank, goes up still to be provided with the several guide post on the mould benevolence, and the several guide post corresponds to be installed in the mounting hole, and the several guide post from last down outwards extend and stretch out in go up mould benevolence lower surface, but the line position module of several horizontal outside removal is installed in edge to the lower mould benevolence upper surface, and the several guide post corresponds the guide post of going up mould benevolence and has seted up the several guiding hole, and the several guide post corresponds the slide and locates in the several guiding hole, and the several line position module is accomodate in storage tank and support and lean on the inside wall of storage tank, and the cavity is enclosed jointly to shaping cavity to the several line position module to the storage tank of going up the mould benevolence corresponds the die cavity, is equipped with the core, is formed with the die cavity between die cavity and the core. The utility model has simple structure and low development cost, and effectively improves the production efficiency.

Description

Mobile phone shell injection mold

Technical Field

The utility model relates to a mold, in particular to an injection mold for a mobile phone shell.

Background

The mobile phone mainly comprises a processor, a memory, input and output equipment, a screen, a battery, a shell and the like, wherein the shell is used as a protection shell of an internal component and is an important protection component of the mobile phone, and the mobile phone shell is mostly made of plastic components and is generally cast into an integral molding in an injection molding mode.

Thus, the mating mold becomes the core component for injection molding. The existing mobile phone shell mold is complex in structure, multiple in part design and insufficient in precision due to tolerance stack of parts in the reassembling and matching process, so that multiple mold repair is performed, and a lot of cost is increased intangibly. Meanwhile, when the parts are matched for use in die opening and die closing, multiple parts perform multidirectional actuation, the actuation is slower, and the working efficiency is affected, which is also puzzled in the die industry.

Therefore, there is a need to develop a new mobile phone mold to solve the above problems.

Disclosure of Invention

The utility model aims to provide a die with an inner-package design, which optimizes a scattered die structure into a relatively integral die structure, has a simple structure and low development cost, and can effectively improve the production efficiency.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a cell-phone shell injection mold, includes mould benevolence and the lower mould benevolence of setting below last mould benevolence, goes up the lower surface concave of mould benevolence and is equipped with the storage tank, and the inside wall of storage tank is from upwards outwards expanding down, goes up the mould benevolence and has seted up the several mounting hole around storage tank, goes up and still is provided with the several guide post on the mould benevolence, and the several guide post corresponds to be installed in the mounting hole, and the several guide post from upwards outwards extend and stretch out in upward mould benevolence lower surface, but the several horizontal outside movable line position module is installed in edge to lower mould benevolence upper surface the several line position module corresponds the guide post of going up the mould benevolence has seted up the several guiding hole, the several the guide post corresponds the slide and locates the several in the guiding hole, line position module accomodate in accomodate the inslot and support and lean on and be in accomodate the inside wall of groove, lower mould benevolence several line position module encloses the cavity together, goes up mould benevolence corresponding to be equipped with the die cavity and the core between mould cavity and the core.

Further, a sliding groove is formed in the lower die core, the slide position module is arranged in the sliding groove in a sliding mode, a sliding rail is arranged in the sliding groove in an upward protruding mode, a sliding rail groove is formed in the bottom of the slide position module corresponding to the sliding rail, and the sliding rail is arranged in the sliding rail groove in a sliding mode.

Further, the lower die core further comprises a slide pressing block, the slide pressing block is fixed on the lower die core, and the slide module is arranged between the slide pressing block and the lower die core in a sliding manner.

Further, the line position abrasion-resistant blocks are arranged on the outer side of the line position module, are stored in the storage groove and are propped against the inner wall of the storage groove.

Further, the lower die core is provided with a positioning block in an upward protruding mode, the upper die core is provided with a positioning groove corresponding to the positioning block, and the positioning block is accommodated in the positioning groove.

Further, the die further comprises an upper die holder, an upper die connecting plate, an upper die pushing plate, a lower die holder, a lower die connecting plate and a lower die pushing plate, wherein the upper die holder, the upper die connecting plate, the upper die pushing plate, the lower die connecting plate and the lower die holder are sequentially arranged from top to bottom, an upper die core groove is formed in the upper die pushing plate, an upper die core is arranged in the upper die core groove, a lower die core groove is formed in the lower die core pushing plate, and a lower die core is arranged in the lower die core groove.

Further, the plastic injection molding machine further comprises a glue inlet, a glue inlet is formed in the glue inlet, the upper die base, the upper die connecting plate and the upper die pushing plate penetrate through a glue inlet runner, the glue inlet is arranged in the glue inlet runner, the upper surface of the upper die core is provided with a plastic runner, the plastic runner penetrates through the upper die core and is communicated with an injection molding die cavity, and the lower end of the glue inlet is communicated with the plastic runner.

Further, the mold further comprises a runner connecting block, the upper mold connecting plate is provided with a runner connecting groove, the runner connecting plate is arranged in the runner connecting groove, the runner connecting plate is provided with a glue inlet runner in a penetrating manner, and the glue inlet barrel is arranged in the glue inlet runner.

Further, the lower die connecting plate comprises a lower die first connecting plate, a lower die second connecting plate and a lower die second connecting plate, the lower die second connecting plate is arranged on the lower die first connecting plate, the mobile phone shell injection mold further comprises a supporting block and a supporting column, the supporting block is arranged on two opposite side surfaces of the first connecting plate and the second connecting plate, the upper end and the lower end of the supporting block are respectively propped against the lower die pushing block and the lower die holder, and the upper end and the lower end of the supporting column are respectively propped against the lower die pushing plate and the second connecting plate.

Further, the die holder positioning block is arranged on the lower die pushing plate, the upper die pushing plate is provided with a die holder positioning groove corresponding to the die holder positioning block, and the die holder positioning block is arranged in the die holder positioning groove in a sliding manner.

The utility model increases the volume of the upper die core and the lower die core, designs the line position module and the lower die core as a whole capable of relatively moving, and is provided with a containing groove with an inner side wall, the line position module is pushed by the inner side wall of the containing groove of the upper die core to move inwards, and the line position module is pulled to move outwards by the guide post, so that the die assembly and the die opening of the die are realized. The utility model has simple structure, fewer accessories, greatly reduced processing period and development cost, reduced processing accumulated error, time saving, cost reduction and production efficiency improvement.

Drawings

Fig. 1 is a perspective view of a handset housing mold according to the present utility model.

Fig. 2 is a cross-sectional view of a mold clamping state of the mobile phone case mold shown in fig. 1.

Fig. 3 is a sectional view of a cell phone case mold shown in fig. 1 in an open state.

Fig. 4 is a perspective view of an upper core and a lower core of a cell phone shell mold according to the present utility model.

Fig. 5 is a perspective view of a lower core of a handset shell mold according to the present utility model.

Fig. 6 is a perspective view of an upper core of a handset shell mold according to the present utility model.

Fig. 7 is a partially exploded perspective view of a lower core of a phone shell mold according to the present utility model.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

The terms first, second, third, fourth and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Referring to fig. 1-7, the injection mold for a mobile phone shell of the present utility model includes a lower mold (not shown) and an upper mold (not shown). The lower die comprises a lower die holder 11, a lower die connecting plate (not shown) and a lower die pushing plate 13. The lower die further includes a lower die first connecting plate 14 and a lower die second connecting plate 15. The upper die comprises an upper die base 21, an upper die connecting plate 22 and an upper die pushing plate 23. Wherein, the upper die holder 21, the upper die connecting plate 22, the upper die pushing plate 23, the lower die pushing plate 13, the lower die connecting plate and the lower die holder 11 are sequentially arranged from top to bottom. The lower die second connecting plate 15 is disposed above the lower die first connecting plate 14.

The lower die also includes support blocks 12 and support columns 16. The supporting block 12 is disposed on two opposite sides of the first connecting plate 14 and the second connecting plate 15, and the upper and lower ends of the supporting block 12 are respectively abutted against the lower die pushing block and the lower die holder 11. The upper and lower ends of the support column 16 are respectively abutted against the lower die push plate 13 and the lower die second connecting plate 15.

The upper die further comprises a runner connecting block. The upper die connecting plate 22 is provided with a runner connecting groove (not shown). The runner connecting plate is arranged in the runner connecting groove.

The upper die further comprises a rubber inlet cylinder. The glue inlet 211 is arranged on the glue inlet cylinder. The upper die holder 21, the upper die connecting plate 22, the runner connecting block and the upper die push plate 23 are provided with glue inlet runners in a penetrating manner. The glue inlet barrel is arranged in the glue inlet flow passage.

The utility model relates to an injection mold for a mobile phone shell, which further comprises an upper mold core 25 and a lower mold core 17 arranged below the upper mold core 25. The upper die pushing plate 23 is provided with an upper die core groove (not shown). The upper die core 25 is installed in the upper die core groove. The push plate of the lower die core 17 is provided with a lower die core groove (not shown). The lower die core 17 is arranged in the lower die core groove.

More specifically, the lower surface of the upper mold core 25 is concavely provided with a receiving groove 251. The inner side wall of the receiving groove 251 expands from top to bottom. The upper mold core 25 is provided with a plurality of mounting holes 254 around the receiving groove 251. The upper die core 25 is further provided with a plurality of guide posts 26. A plurality of guide posts 26 are correspondingly mounted in the mounting holes 254. And the guide posts 26 extend obliquely and outwardly from top to bottom and protrude from the lower surface of the upper die core 25.

The upper surface of the lower die core 17 is provided with a plurality of row position modules 18 which can horizontally move outwards at the edge. The plurality of line modules 18 are accommodated in the accommodating groove 251 and abut against the inner side wall of the accommodating groove 251. The row position modules 18 are provided with a plurality of guide holes 181 corresponding to the guide posts 26 of the upper die core 25. The guide posts 26 are correspondingly slidably disposed in the guide holes 181. In this embodiment, the number of the row position modules 18 is 4, and the row position modules are respectively disposed in the front, rear, left and right directions of the lower mold core. When the mold is closed, 4 line modules 18 are drawn inward. When the mold is opened, the 4 row position modules 18 move in the forward, backward, leftward and rightward directions, respectively.

The lower die core 17 and the plurality of slide blocks 18 together enclose a forming cavity 171. The receiving groove 251 of the upper core 25 is provided with a core 255 corresponding to the cavity 171. An injection molding cavity (not shown) is formed between the cavity 171 and the core 255. The upper surface of the upper mold core 25 is provided with a plastic runner 253. The lower end of the rubber inlet cylinder is communicated with the plastic runner 253 of the upper die core 25. In more detail, the plastic runner 253 penetrates the upper mold core 25 and is communicated with the injection molding cavity.

The lower die core 17 is provided with a positioning block 172 in an upward protruding manner. The upper mold core 25 is provided with a positioning groove 252 corresponding to the positioning block 172. The positioning block 172 is accommodated in the positioning groove 252.

The lower die core 17 is provided with a sliding groove (not shown). The row position module 18 is slidably disposed in the sliding groove. The sliding groove is provided with a sliding rail 173 protruding upwards. The bottom of the row position module 18 is provided with a slide rail groove 183 corresponding to the slide rail 173. The sliding rail 173 is slidably disposed in the sliding rail groove 183. The lower die core 17 further comprises a row-position pressing block 19. The row-position pressing block 19 is fixed on the lower die core 17. The row position module 18 is slidably disposed between the row position pressing block 19 and the lower die core 17.

The outside of the row position modules 18 are provided with row position wear-resistant blocks 182. The row-position wear-resistant block 182 is made of wear-resistant oil steel 2510. The wear-resistant oil steel 2510 is an alloy oil steel, has good heat treatment deformation resistance, good toughness at high temperature, and very wear-resistant property, and can be used repeatedly for millions times to keep extremely low wear rate. The row-position wear-resistant block 182 is accommodated in the accommodating groove 251 and abuts against the inner wall of the accommodating groove 251.

The utility model further provides a mobile phone shell injection mold which comprises a mold base positioning block 30. The die holder positioning block 30 is mounted on the lower die pushing plate 13. The upper die pushing plate 23 is provided with a die holder positioning groove (not shown) corresponding to the die holder positioning block 30. The die holder positioning block 30 is slidably disposed in the die holder positioning groove.

The utility model also discloses a mobile phone shell injection mold which comprises a lock module 40 and a counter 50. The lock module 40 is a vertically extending block. One end of the locking module 40 is fixed to the upper die holder 21 of the upper die. The other end of the locking module 40 is movably disposed on the lower die pushing plate 13 of the lower die. When the mold is in use, the end of the lock module 40 adjacent to the lower mold pushing plate 13 is in a free state. The end of the locking module 40 near the lower push plate 13 is fixed to the lower push plate 13 when the mold is transported. By fixing the lock module 40, the mold can be effectively prevented from being swayed or vibrated in the transportation process to influence the precision of the mold. In this embodiment, the counter 50 is a mechanical counter 50, which is disposed on one side of the lower push plate 13. The counter 50 is provided with a counting button (not shown) at its upper end. The upper die pushing plate 23 is provided with a counting pushing block (not shown) corresponding to the counter 50. The count push block is disposed directly above the count button of the counter 50. When the mold is closed, the counting push block presses the counting button downwards, so that the counter 50 triggers the action of increasing the value to finish the counting.

When the mobile phone shell injection mold is assembled, the upper mold and the lower mold are mutually closed. The guide posts 26 of the upper mold core 25 are inserted into the guide holes 181 of the slide modules 18 obliquely downward, and simultaneously drive the slide modules 18 to approach inwards along the sliding rails 173 in the sliding grooves, and accommodate the slide modules 18 in the accommodating grooves 251 of the upper mold core 25. Meanwhile, the positioning block 172 of the lower mold core 17 is accommodated in the positioning groove 252 of the upper mold core 25. Finally, the upper die core 25 is abutted against the lower die core 17. The injection molding cavity is in a closed state. So far, the mold closing operation is completed.

After the mold closing operation is completed, the injection operation is started. The glue inlet 211 is used for injecting the liquefied plastic material, and flows into the plastic runner 253 of the upper mold core 25 through the lower end of the glue inlet barrel. The liquid plastic material penetrates through the upper die core 25 and enters the injection molding cavity. So far, the injection molding operation is completed. The injection operation is stopped and cooling molding is started, and then the mold opening operation is started.

When the injection mold of the mobile phone shell is opened, the upper mold and the lower mold are separated from each other. The guide posts 26 of the upper mold core 25 obliquely and outwardly drive the plurality of slide modules 18 to move outwardly along the sliding rails 173 in the sliding grooves. Meanwhile, the line position pressing block 19 is pressed on the line position module 18, so that the line position module 18 moves along the horizontal direction. The positioning block 172 of the lower mold core 17 is separated from the positioning groove 252 of the upper mold core 25. So far, the mold opening action is completed, and the injection molded product is taken out.

Then, the mold closing and opening operations are performed in a cyclic manner to realize the production.

In the process of opening and closing the mold, when the upper mold is abutted against the lower mold, the counter 50 is increased 1 time to count the number of injection molded products.

According to the injection mold for the mobile phone shell, the volumes of the upper mold core 25 and the lower mold core 17 are increased, the slide module 18 and the lower mold core 17 are designed to be relatively movable and integrated, the containing groove 251 with the inner side wall is formed in the upper mold core 25, the slide module 18 is moved inwards by pushing the inner side wall of the containing groove 251 of the upper mold core 25, and the slide module 18 is pulled to move outwards by the guide post 26, so that the mold closing and opening actions are realized.

The utility model adopts a mold structure with an inner-package design, is a novel injection mold design for mobile phone shell products, and combines a mold core and product outer-line-position parts into an integral module by optimizing the scattered mold structure into a relatively integral mold structure, compared with the traditional design structure that a mold blank is used as a main body mold base and is changed into a mold core to be used as a main body mold base.

The utility model has the beneficial effects that: (1) The injection molding production stability is guaranteed, and the service life of the mold is prolonged; (2) The integral structure of the die reduces the problem of assembly accumulation tolerance generated by the multi-component die structure; (3) The structural design of the die is beneficial to quality control of product parting lines (parting lines).

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a cell-phone shell injection mold, its characterized in that includes the mould benevolence and sets up the lower mould benevolence of going up mould benevolence below, go up the lower surface concave storage tank that is equipped with of mould benevolence, the inside wall of storage tank is from last outwards expanding down, go up the mould benevolence around the storage tank has seted up several mounting hole, it still is provided with the several guide post to go up on the mould benevolence, the several the guide post corresponds to be installed in the mounting hole, and the several the guide post from last outwards extend and stretch out of down in mould benevolence lower surface, but the several of going up mould benevolence upper surface is in the edge installs the several horizontal outside line position module, the several of going up the line position module corresponds the guide post of going up the mould benevolence has seted up the several guiding hole, the several the guide post corresponds the slide and locates the several in the guiding hole, the several line position module is accomodate in the storage tank and support and is in the inside wall of storage tank, the several down mould benevolence corresponds the mould benevolence and several line position module is equipped with the mould core cavity together.

2. The mobile phone shell injection mold of claim 1, wherein the lower mold core is provided with a sliding groove, the slide module is slidably disposed in the sliding groove, a sliding rail is convexly disposed in the sliding groove, the bottom of the slide module is provided with a sliding rail groove corresponding to the sliding rail, and the sliding rail is slidably disposed in the sliding rail groove.

3. The injection mold of claim 1, wherein the lower mold core further comprises a slide block, the slide block is fixed on the lower mold core, and the slide block is slidably disposed between the slide block and the lower mold core.

4. The mobile phone shell injection mold of claim 1, wherein a slide wear block is mounted on the outer side of the slide module, and the slide wear block is accommodated in the accommodating groove and abuts against the inner wall of the accommodating groove.

5. The injection mold of claim 1, wherein the lower mold core is provided with a positioning block in an upward protruding manner, the upper mold core is provided with a positioning groove corresponding to the positioning block, and the positioning block is accommodated in the positioning groove.

6. The mobile phone shell injection mold of claim 1, further comprising an upper mold base, an upper mold connecting plate, an upper mold pushing plate, a lower mold base, a lower mold connecting plate and a lower mold pushing plate, wherein the upper mold base, the upper mold connecting plate, the upper mold pushing plate, the lower mold connecting plate and the lower mold base are sequentially arranged from top to bottom, an upper mold core groove is formed in the upper mold pushing plate, an upper mold core is arranged in the upper mold core groove, a lower mold core groove is formed in the lower mold core pushing plate, and the lower mold core is arranged in the lower mold core groove.

7. The mobile phone shell injection mold of claim 6, further comprising a glue inlet arranged on the glue inlet, wherein the upper mold base, the upper mold connecting plate and the upper mold pushing plate are penetrated and provided with a glue inlet runner, the glue inlet is arranged in the glue inlet runner, the upper surface of the upper mold core is provided with a plastic runner, the plastic runner penetrates through the upper mold core and is communicated with the injection mold cavity, and the lower end of the glue inlet is communicated with the plastic runner.

8. The mobile phone shell injection mold of claim 7, further comprising a runner connecting block, wherein a runner connecting groove is formed in the upper mold connecting plate, the runner connecting plate is installed in the runner connecting groove, the runner connecting plate is provided with the glue inlet runner in a penetrating manner, and the glue inlet barrel is arranged in the glue inlet runner.

9. The mobile phone shell injection mold of claim 6, wherein the lower mold connecting plate comprises a lower mold first connecting plate and a lower mold second connecting plate, the lower mold second connecting plate is arranged on the lower mold first connecting plate, the mobile phone shell injection mold further comprises a supporting block and a supporting column, the supporting block is arranged on two opposite side surfaces of the first connecting plate and the second connecting plate, the upper end and the lower end of the supporting block are respectively propped against the lower mold pushing block and the lower mold base, and the upper end and the lower end of the supporting column are respectively propped against the lower mold pushing plate and the second connecting plate.

10. The mobile phone shell injection mold of claim 6 further comprising a mold base positioning block, wherein the mold base positioning block is mounted on the lower mold pushing plate, the upper mold pushing plate is provided with a mold base positioning groove corresponding to the mold base positioning block, and the mold base positioning block is slidably arranged in the mold base positioning groove.