CN213107906U - Plastic shell mold not prone to glue overflow - Google Patents

Abstract

The utility model discloses a plastic shell mould of difficult excessive glue, the on-line screen storage device comprises a base, the equal fixedly connected with dead lever of upper surface that is close to its left and right sides on the base, the top fixedly connected with fixed plate of dead lever, the lower fixed surface of fixed plate is connected with the pneumatic cylinder, the bottom fixedly connected with of pneumatic cylinder goes up the mould, go up the equal fixedly connected with of left and right sides of mould and go up the movable plate, the below of going up the mould is equipped with the bed die. The utility model discloses an above-mentioned isotructure's cooperation has realized that upper and lower mould can be simple quick realization inter combination or alternate segregation, has improved the efficiency of moulding plastics, provides convenience for moulding plastics, and upper and lower mould can promote the tight butt of sealing ring and annular standing groove together under the effect of spring force simultaneously when the inter combination compound die, has played sealed effect to the junction of upper and lower mould, has avoided appearing the phenomenon of excessive glue when the compound die.

Description

Plastic shell mold not prone to glue overflow

Technical Field

The utility model relates to an injection mold technical field specifically is a plastic shell mould of difficult excessive glue.

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. At present, many mobile phone shells are formed by injection molding.

Because current injection mold is at the in-process of moulding plastics to cell phone case, upper and lower mould is difficult to quick thoroughly separate, has reduced the efficiency of moulding plastics, and upper and lower mould is at the in-process of compound die each other simultaneously, is difficult for pressing the junction of upper and lower mould sealed, leads to appearing overflowing gluey phenomenon easily, has brought the influence for the quality of moulding plastics, consequently needs to improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic shell mould of difficult excessive glue, possess on, the lower mould can be simple quick realization inter combination or alternate segregation, the efficiency of moulding plastics has been improved, it facilitates to mould plastics, simultaneously, the lower mould is when the inter combination compound die, can promote the tight butt of sealing ring and annular standing groove together under the effect of spring force, to last, the junction of lower mould has played sealed effect, the phenomenon of excessive glue has been avoided appearing when the compound die, the problem of proposing among the above-mentioned background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a plastic shell mould of difficult excessive glue, includes the base, the equal fixedly connected with dead lever of upper surface that is close to its left and right sides on the base, the top fixedly connected with fixed plate of dead lever, the lower fixed surface of fixed plate is connected with the pneumatic cylinder, the mould is gone up to the bottom fixedly connected with of pneumatic cylinder, go up the equal fixedly connected with of the left and right sides of mould and go up the movable plate, the below of going up the mould is equipped with the bed die, the movable plate moves down in the equal fixedly connected with of the left and right sides of bed die, the movable plate all sets up the sliding hole with dead lever slip and adaptation with the surface that.

The bottom of the upper die is provided with a sealing assembly, the sealing assembly can seal the joint of the upper die and the lower die for die closing, and the side surface of the upper moving plate is fixedly connected with a thrust assembly for promoting the die closing or the die separation of the upper die and the lower die.

Preferably, the surface of the fixing rod is fixedly connected with two symmetrical limiting rings.

Preferably, the sealing assembly comprises an annular groove formed in the bottom of the upper die, a spring is fixedly connected to the top of the inner wall of the annular groove, a sealing ring is fixedly connected to the bottom end of the spring, and an annular placing groove which is abutted to and matched with the sealing ring is formed in the top of the lower die.

Preferably, the thrust unit includes rack plate one of fixed connection on the side of the last movable plate, the lower fixed surface of fixed plate is connected with the backup pad, the front side of backup pad is rotated through bearing and pivot and is connected with the gear with rack plate one meshing and adaptation, the side fixedly connected with connecting plate of lower movable plate, the last fixed surface of connecting plate is connected with rack plate two with gear meshing and adaptation.

Preferably, the surface of the connecting plate is provided with a through hole for the first rack plate to penetrate through.

Compared with the prior art, the beneficial effects of the utility model are that: through the hydraulic cylinder, the upper moving plate, the first rack plate, the second rack plate, the gear, the supporting plate, the connecting plate, the through hole and the lower moving plate, when the hydraulic cylinder pushes the upper die to move downwards for die assembly, the downward movement of the upper die can drive the first rack plate to move downwards, the gear can be driven to rotate, the gear can drive the second rack plate to move upwards, the upward movement of the second rack plate can drive the connecting plate and the lower moving plate to move upwards, in the die assembly process, the upper die can drive the lower die to move upwards while moving downwards, the upper die and the lower die can be simply and quickly assembled, the die assembly is more accurate, and through the arrangement of the annular groove, the spring, the sealing ring and the annular standing groove, the sealing ring can be pushed to abut against the annular standing groove under the action of the spring elasticity, and the upper die and the lower die are tightly assembled, The joint of the lower die plays a role in sealing, and the phenomenon of glue overflow during die assembly is avoided.

Drawings

Fig. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a front sectional view of the upper and lower molds of the present invention when they are closed;

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

In the figure: 1. a base; 2. fixing the rod; 3. a fixing plate; 4. a hydraulic cylinder; 5. an upper die; 6. moving the plate upwards; 7. a lower die; 8. a lower moving plate; 9. a limiting ring; 10. a spring; 11. a seal ring; 12. a first rack plate; 13. a support plate; 14. a gear; 15. a connecting plate; 16. and a second rack plate.

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 to 3, the present invention provides a technical solution: the utility model provides a plastic shell mould of difficult excessive glue, the on-line screen storage device comprises a base 1, the equal fixedly connected with dead lever 2 of upper surface that is close to its left and right sides on the base 1, the top fixedly connected with fixed plate 3 of dead lever 2, the lower fixed surface of fixed plate 3 is connected with pneumatic cylinder 4, mould 5 on the bottom fixedly connected with of pneumatic cylinder 4, go up the equal fixedly connected with of the left and right sides of mould 5 and go up movable plate 6, the below of going up mould 5 is equipped with bed die 7, this mould is the small-size mould of the cell-phone shell of moulding plastics, consequently, can support and drive bed die 7 through gear 14 and rack plate two 16 and reciprocate the bed die 7, the equal fixedly connected with in the left.

Furthermore, the surface of the fixed rod 2 is fixedly connected with two symmetrical limiting rings 9, and the limiting rings 9 limit the upper moving plate 6 and the lower moving plate 8, so that the situation that the rack plate I12, the rack plate II 16 and the gear 14 are separated from each other due to excessive displacement of the upper moving plate 6 and the lower moving plate 8 is avoided.

The surfaces of the upper moving plate 6 and the lower moving plate 8 are provided with sliding holes matched with the fixed rod 2 in a sliding manner.

The bottom of the upper die 5 is provided with a sealing assembly, and the sealing assembly can seal the joint of the upper die and the lower die.

Further, seal assembly is including seting up the ring channel in last mould 5 bottoms, the top fixedly connected with spring 10 of ring channel inner wall, spring 10's bottom fixedly connected with sealing ring 11, the annular standing groove with 11 butt of sealing ring and adaptation is seted up at the top of bed die 7, can promote sealing ring 11 and the tight butt of annular standing groove together under the effect of spring 10 elasticity, sealed effect has been played to the junction of upper and lower mould, the phenomenon of glue overflow has been avoided appearing when the compound die.

And a thrust assembly for promoting the closing or separation of the upper and lower dies is fixedly connected to the side surface of the upper moving plate 6.

Further, the thrust assembly comprises a rack plate I12 fixedly connected to the side surface of the upper moving plate 6, a support plate 13 is fixedly connected to the lower surface of the fixed plate 3, a gear 14 meshed with and matched with the rack plate I12 is rotatably connected to the front side of the support plate 13 through a bearing and a rotating shaft, a connecting plate 15 is fixedly connected to the side surface of the lower moving plate 8, a rack plate II 16 meshed with and matched with the gear 14 is fixedly connected to the upper surface of the connecting plate 15, the hydraulic cylinder 4 pushes the upper die 5 to move downwards to perform die assembly, the downward movement of the upper die 5 drives the rack plate I12 to move downwards so as to drive the gear 14 to rotate, the rotation of the gear 14 drives the rack plate II 16 to move upwards, the upward movement of the rack plate II 16 drives the connecting plate 15 and the lower moving plate 8 to move upwards, so that the upper die 5 can drive the lower die 7 to move upwards while moving downwards during the die assembly, therefore, the upper die and the lower die can be simply and quickly matched, and the matching is more accurate; when moulding plastics and accomplishing, when need carrying out alternate segregation to upper and lower mould, pneumatic cylinder 4 drives mould 5 upward movement, under the effect of rack board 12, gear 14 and two 16 of rack board, can make lower mould 7 downstream to can make upper and lower mould can be simple quick separate completely, improve the efficiency of moulding plastics, provide convenience for moulding plastics.

Furthermore, the surface of the connecting plate 15 is provided with a through hole for the first rack plate 12 to penetrate through.

The working principle is as follows: when the plastic shell mold not prone to glue overflow is used, when the upper mold and the lower mold are required to be closed, the hydraulic cylinder 4 is started, the hydraulic cylinder 4 pushes the upper mold 5 to move downwards to close the mold, the downward movement of the upper mold 5 can drive the rack plate I12 to move downwards, so that the gear 14 can be driven to rotate, the gear 14 can drive the rack plate II 16 to move upwards when rotating, the upward movement of the rack plate II 16 can drive the connecting plate 15 and the lower moving plate 8 to move upwards, so that in the mold closing process, the upper mold 5 can drive the lower mold 7 to move upwards when moving downwards, so that the upper mold and the lower mold can be closed simply and quickly, and the mold closing is more accurate; when moulding plastics the completion, need be to last, when the bed die carries out alternate segregation, 5 upward movements of mould in the pneumatic cylinder 4 drive, rack plate one 12, under the effect of gear 14 and rack plate two 16, can make the bed die 7 downstream, thereby can make it last, the bed die can be simply quick separates completely, the efficiency of moulding plastics has been improved, it facilitates to mould plastics, and through the ring channel, spring 10, the setting of sealing ring 11 and annular standing groove, can promote the tight butt of sealing ring 11 and annular standing groove together under the effect of spring 10 elasticity, to last, the junction of bed die has played sealed effect, the phenomenon of excessive glue has been avoided appearing when the compound die.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a plastic shell mould of difficult excessive glue, includes base (1), the equal fixedly connected with dead lever (2) of upper surface that is close to its left and right sides on base (1), the top fixedly connected with fixed plate (3) of dead lever (2), its characterized in that: the lower surface of the fixed plate (3) is fixedly connected with a hydraulic cylinder (4), the bottom end of the hydraulic cylinder (4) is fixedly connected with an upper die (5), the left side and the right side of the upper die (5) are fixedly connected with upper moving plates (6), a lower die (7) is arranged below the upper die (5), the left side and the right side of the lower die (7) are fixedly connected with lower moving plates (8), and the surfaces of the upper moving plates (6) and the lower moving plates (8) are respectively provided with sliding holes which slide and are matched with the fixed rod (2);

the bottom of the upper die (5) is provided with a sealing assembly, the sealing assembly can seal the joint of the upper die and the lower die for die assembly, and the side surface of the upper moving plate (6) is fixedly connected with a thrust assembly for promoting the die assembly or die separation of the upper die and the lower die.

2. The mold for plastic housing of claim 1, wherein: the surface of the fixed rod (2) is fixedly connected with two symmetrical limiting rings (9).

3. The mold for plastic housing of claim 1, wherein: the sealing assembly comprises an annular groove formed in the bottom of an upper die (5), a spring (10) is fixedly connected to the top of the inner wall of the annular groove, a sealing ring (11) is fixedly connected to the bottom end of the spring (10), and an annular placing groove which is abutted to the sealing ring (11) and is matched with the top of a lower die (7) is formed in the top of the lower die.

4. The mold for plastic housing of claim 1, wherein: thrust unit includes rack board (12) of fixed connection on last movable plate (6) side, the lower fixed surface of fixed plate (3) is connected with backup pad (13), the front side of backup pad (13) is rotated through bearing and pivot and is connected with gear (14) with rack board (12) meshing and adaptation, the side fixedly connected with connecting plate (15) of movable plate (8) down, the last fixed surface of connecting plate (15) is connected with and gear (14) meshes and the rack board two (16) of adaptation.

5. The mold for plastic housing of claim 4, wherein: and a through hole for the first rack plate (12) to penetrate through is formed in the surface of the connecting plate (15).

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