CN220517399U

CN220517399U - High-precision injection mold

Info

Publication number: CN220517399U
Application number: CN202321859158.5U
Authority: CN
Inventors: 韩标武; 钟德强; 徐远强; 舒毛毛; 刘文明
Original assignee: Haining Mingyi Electronic Technology Co ltd
Current assignee: Haining Mingyi Electronic Technology Co ltd
Priority date: 2023-07-15
Filing date: 2023-07-15
Publication date: 2024-02-23
Anticipated expiration: 2033-07-15

Abstract

The utility model discloses a high-precision injection mold, which comprises a shell and an air cylinder, wherein the air cylinder is respectively arranged at two sides of the outer part of the shell, a top plate is fixedly connected between one sides of the top of the air cylinder, two sides of the top plate are respectively provided with a box body, the bottom end of the inner part of the shell is provided with a bottom plate, two sides of the bottom plate are respectively and movably connected with a screw rod, and a cavity is arranged in the center of the inner part of the bottom end of the shell. This high-precision injection mold is provided with the cavity through the inside center department in shell bottom, places lower mould casing in the bottom plate top, uses the cylinder of both sides to sink the roof, goes up the distance of mould suppression and adjusts the bottom plate, opens first motor to the vice fluted disc of rotatory main tooth meshing both sides, and the screw is fast perpendicular rotating screw in the meshing of screw, changes the distance that the lower mould corresponds the mould, exports thermoplastic liquid with ejection of compact hose again, flows into the cavity way of below through last mould in, has solved the inconvenient problem of adjusting of lower mould position.

Description

High-precision injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a high-precision injection mold.

Background

The injection mold is a processing part which can reach the expected temperature and is used for injecting melted plastic liquid into a cavity of a closed mold, after cooling, the plastic finished product is taken out after the appearance is stable, for convenient installation, the lower mold and the upper mold are fixed by using a shell and a telescopic hanging bracket, but the size and the appearance of the precision mold are different, for fast matching with the shell of the mold, different external packing components are often adopted for fixing, and the height between the upper mold and the lower mold is difficult to adjust.

At present, a novel high-precision injection mold is provided for solving the problems.

Disclosure of Invention

The utility model aims to provide a high-precision injection mold, which solves the problem that the position of a lower mold is inconvenient to adjust in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-precision injection mold, includes shell and cylinder, the cylinder is installed respectively to the outside both sides of shell, fixedly connected with roof between one side at cylinder top, the box is installed respectively to the both sides at roof top, the inside bottom of shell is provided with the bottom plate, the both sides of bottom plate bottom are swing joint respectively has the lead screw, the inside center department of shell bottom is provided with the cavity, the inside both sides of cavity are swing joint respectively has vice fluted disc, the inside center department swing joint of cavity has main fluted disc, first motor is installed to the center department of the outside bottom of shell, both sides between shell and the cavity are vertically provided with the screw respectively.

Preferably, the auxiliary fluted disc is symmetrically arranged at two sides of the outer part of the main fluted disc, and the auxiliary fluted disc and the main fluted disc are positioned at the same horizontal plane

Preferably, the screw rod is embedded between the screw hole and the auxiliary fluted disc, and the screw rod and the screw hole and the auxiliary fluted disc are arranged in a concentric circle.

Preferably, a transverse groove is formed between the two ends of the left side of the bottom of the shell, a screw is movably connected between the two ends of the inner part of the transverse groove, a shaft sleeve is movably connected to the outer part of the screw, a push plate is fixedly connected to the top of the shaft sleeve, a fan is arranged at the rear of the push plate, a groove is formed in the rear of the shell, a second motor is arranged on the left side of the bottom of the rear of the shell, and a cover plate is movably hinged to the right side of the front end of the box body.

Preferably, the push plate and the shaft sleeve are positioned on the same vertical plane, and the shaft sleeve can move back and forth along the inner wall of the transverse groove.

Preferably, the air outlet of the fan is positioned in front of the groove, and the fan can move along with the push plate.

Preferably, the box has been welded respectively to both sides at roof top, vertically install the coil pipe between the inside both sides of box, fixedly connected with feed liquor pipe between the top of coil pipe left side and the box, fixedly connected with ejection of compact hose between the bottom on coil pipe right side and the box, it has the heat preservation cotton to fill between box and the coil pipe, install the valve between ejection of compact hose and the roof.

Preferably, the discharging hose is embedded in the top plate, and the box body and the coil pipes are symmetrically arranged on two sides above the top plate.

Compared with the prior art, the utility model has the beneficial effects that: the high-precision injection mold not only realizes adjustment of the mounting height of the lower mold, realizes convenient pushing out of the mold, but also realizes setting of thermoplastic liquid;

(1) The bottom plate is adjusted by arranging a cavity in the center of the bottom end of the shell, placing the lower die shell above the bottom plate, adjusting the pressing distance of the upper die when the cylinders on two sides sink the top plate, namely starting the first motor, meshing the rotary main gear with the auxiliary fluted discs on two sides, rapidly and vertically rotating the screw rod under the meshing of the screw holes, changing the distance of the lower die corresponding to the upper die, guiding out thermoplastic liquid by a discharging hose, and flowing into a cavity channel below through the upper die;

(2) The horizontal groove is arranged between the two ends of the left side of the bottom of the shell, the second motor is started to rotate the screw rod to move the shaft sleeve back and forth, the push plate welded above the object slides along with the screw rod, the lower die placed at the top end of the object is pushed from the rear to take an internal finished product after the push plate is settled, the fan is additionally arranged in the center of the interior of the push plate, and air flow is sucked from the groove, so that plastic parts in the internal cavity can be rapidly cooled;

(3) Through welding the box respectively in the both sides at roof top, press the last mould of roof bottom installation with the cylinder down, thermoplastic liquid is led in advance by the feed liquor pipe and is led into the coil pipe, keeps its mobility in the box of filling the heat preservation cotton inside, connects ejection of compact hose and last mould pipeline in advance, can pour into thermoplastic liquid towards the cavity inside when last lower mould is closed after opening the valve, avoids the melt solidification to lead to the jam.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic cross-sectional elevation view of the housing of the present utility model;

FIG. 3 is a schematic side sectional view of the housing of the present utility model;

fig. 4 is a schematic diagram of a front cross-sectional structure of the case of the present utility model.

In the figure: 1. a housing; 2. a cylinder; 3. a top plate; 4. a case; 5. thermal insulation cotton; 6. a liquid inlet pipe; 7. a coiled pipe; 8. a discharge hose; 9. a cover plate; 10. a groove; 11. a push plate; 12. a cavity; 13. a first motor; 14. a screw rod; 15. a transverse groove; 16. a bottom plate; 17. an auxiliary fluted disc; 18. a main fluted disc; 19. a screw hole; 20. a fan; 21. a screw; 22. a shaft sleeve; 23. a second motor; 24. and (3) a valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, a high-precision injection mold comprises a housing 1 and a cylinder 2, wherein the cylinder 2 is respectively installed at two sides of the outer part of the housing 1, a top plate 3 is fixedly connected between one sides of the top of the cylinder 2, a box 4 is respectively installed at two sides of the top plate 3, a bottom plate 16 is arranged at the bottom end of the inner part of the housing 1, a screw rod 14 is respectively and movably connected at two sides of the bottom plate 16, a cavity 12 is arranged at the center of the inner part of the bottom end of the housing 1, a secondary fluted disc 17 is respectively and movably connected at two sides of the inner part of the cavity 12, a main fluted disc 18 is movably connected at the center of the inner part of the cavity 12, a first motor 13 is installed at the center of the outer bottom end of the housing 1, and screw holes 19 are respectively and longitudinally arranged at two sides between the housing 1 and the cavity 12;

the auxiliary fluted disc 17 is symmetrically arranged at two sides of the outer part of the main fluted disc 18, the auxiliary fluted disc 17 and the main fluted disc 18 are positioned at the same horizontal plane, the screw rod 14 is embedded between the screw hole 19 and the auxiliary fluted disc 17, and the screw rod 14, the screw hole 19 and the auxiliary fluted disc 17 are concentrically arranged;

specifically, as shown in fig. 1 and 2, the lower die housing is placed above the bottom plate 16, the bottom plate 16 is adjusted by using the pressing distance of the upper die when the cylinders 2 on two sides sink the top plate 3, namely, the first motor 13 is started to rotate the main gear plate 18 to engage the auxiliary gear plates 17 on two sides, the screw rod 14 is quickly and vertically rotated under the engagement of the screw holes 19, the distance between the lower die and the upper die is changed, and the upper die and the lower die are forced to be tightly spliced together;

example 2: a transverse groove 15 is formed between two ends of the left side of the bottom of the shell 1, a screw 21 is movably connected between two ends of the inside of the transverse groove 15, a shaft sleeve 22 is movably connected to the outside of the screw 21, a push plate 11 is fixedly connected to the top of the shaft sleeve 22, a fan 20 is arranged behind the push plate 11, a groove 10 is formed in the inside of the rear of the shell 1, a second motor 23 is arranged on the left side of the bottom end of the rear of the shell 1, a cover plate 9 is movably hinged to the right side of the front end of the box 4, the push plate 11 and the shaft sleeve 22 are in the same vertical plane, the shaft sleeve 22 can move back and forth along the inner wall of the transverse groove 15, an air outlet of the fan 20 is positioned in front of the groove 10, and the fan 20 can move along with the push plate 11;

specifically, as shown in fig. 1 and 3, the second motor 23 is started to rotate the screw 21 to move the shaft sleeve 22 back and forth, the push plate 11 welded above the object slides along with the screw, the lower die placed at the top of the object is pushed from the rear to take the internal finished product after the push plate 11 is settled, the fan 20 is additionally arranged at the center of the interior of the push plate 11, and air flow is sucked from the groove 10, so that the plastic part in the internal cavity can be quickly cooled, and the finished product does not need to be directly drawn out from the interior of the shell 1.

Example 3: the two sides of the top plate 3 are respectively welded with a box body 4, a coil pipe 7 is longitudinally arranged between the two sides of the inside of the box body 4, a liquid inlet pipe 6 is fixedly connected between the top of the left side of the coil pipe 7 and the box body 4, a discharging hose 8 is fixedly connected between the bottom of the right side of the coil pipe 7 and the box body 4, heat-insulating cotton 5 is filled between the box body 4 and the coil pipe 7, a valve 24 is arranged between the discharging hose 8 and the top plate 3, the discharging hose 8 is embedded in the top plate 3, and the box body 4 and the coil pipe 7 are symmetrically arranged on the two sides above the top plate 3;

specifically, as shown in fig. 1 and 4, the upper die mounted at the bottom end of the top plate 3 is pressed down by the cylinder 2, the thermoplastic liquid is led into the coil pipe 7 by the liquid inlet pipe 6 in advance, the fluidity of the thermoplastic liquid is kept in the box body 4 filled with the heat insulation cotton 5, the discharging hose 8 and the upper die pipeline are connected in advance, and the thermoplastic liquid can be injected into the cavity when the upper die and the lower die are closed after the valve 24 is opened.

Working principle: when the utility model is used, firstly, the cylinder 2 is used for pressing the upper die arranged at the bottom end of the top plate 3, thermoplastic liquid is led into the coil pipe 7 through the liquid inlet pipe 6 in advance, the fluidity of the thermoplastic liquid is kept in the box body 4 filled with the heat insulation cotton 5, the discharging hose 8 and the upper die pipeline are connected in advance, the thermoplastic liquid can be injected into the cavity when the upper die and the lower die are closed after the valve 24 is opened, the lower die shell is arranged above the bottom plate 16 in advance, when the two side cylinders 2 are used for sinking the top plate 3, the pressing distance of the upper die is adjusted to adjust the bottom plate 16, namely, the first motor 13 is started, the rotating main toothed disc 18 is meshed with the auxiliary fluted disc 17 at the two sides, the screw rod 14 is quickly and vertically rotated under the meshing of the screw hole 19, the distance of the lower die corresponding to the upper die is changed, the thermoplastic liquid is led out through the discharging hose 8, the thermoplastic liquid flows into the cavity below through the upper die, finally, the second motor 23 is started, the shaft sleeve 22 is moved back and forth by the rotating screw rod 21, the push plate 11 welded above the object slides along with the push plate 11, the inner finished product is pushed from the rear after the push plate 11 is settled, the inner end of the object is quickly placed, and the fan 20 is arranged in the center of the push plate 11, and the cooling cavity is quickly sucked from the inner cavity.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high-precision injection mold, includes shell (1) and cylinder (2), its characterized in that: the novel air conditioner is characterized in that the air cylinders (2) are respectively arranged on two sides of the outer portion of the outer shell (1), a top plate (3) is fixedly connected between one sides of the tops of the air cylinders (2), the two sides of the tops of the top plate (3) are respectively provided with a box body (4), the bottom end of the inner portion of the outer shell (1) is provided with a bottom plate (16), two sides of the bottom plate (16) are respectively and movably connected with a screw rod (14), a cavity (12) is arranged at the center of the inner portion of the bottom end of the outer shell (1), auxiliary fluted discs (17) are respectively and movably connected with the two sides of the inner portion of the cavity (12), a main toothed disc (18) is movably connected with the center of the inner portion of the cavity (12), a first motor (13) is arranged at the center of the outer bottom end of the outer shell (1), and screw holes (19) are respectively and longitudinally arranged on two sides of the outer shell (1) and the cavity (12).

2. The high-precision injection mold of claim 1, wherein: the auxiliary fluted disc (17) is symmetrically arranged on two sides of the outer part of the main fluted disc (18), and the auxiliary fluted disc (17) and the main fluted disc (18) are positioned on the same horizontal plane.

3. The high-precision injection mold of claim 1, wherein: the screw rod (14) is embedded between the screw hole (19) and the auxiliary fluted disc (17), and the screw rod (14), the screw hole (19) and the auxiliary fluted disc (17) are arranged in concentric circles.

4. The high-precision injection mold of claim 1, wherein: be provided with transverse groove (15) between the left both ends in shell (1) bottom, swing joint has screw rod (21) between the inside both ends in transverse groove (15), the outside swing joint of screw rod (21) has axle sleeve (22), the top fixedly connected with push pedal (11) of axle sleeve (22), fan (20) are installed at the rear of push pedal (11), the inside at shell (1) rear is provided with recess (10), second motor (23) are installed in the left side of shell (1) rear bottom, the right side swing joint of box (4) front end has apron (9).

5. The high-precision injection mold of claim 4, wherein: the bottom of the push plate (11) and the shaft sleeve (22) are positioned on the same vertical plane, and the shaft sleeve (22) can move back and forth along the inner wall of the transverse groove (15).

6. The high-precision injection mold of claim 4, wherein: the air outlet of the fan (20) is positioned in front of the groove (10), and the fan (20) can move along with the push plate (11).

7. The high-precision injection mold of claim 1, wherein: the utility model discloses a heat preservation box, including roof (3) and box, box (4) have been welded respectively to both sides at roof (3) top, vertically install coil pipe (7) between the inside both sides of box (4), fixedly connected with feed liquor pipe (6) between the top of coil pipe (7) left side and box (4), fixedly connected with ejection of compact hose (8) between the bottom on coil pipe (7) right side and box (4), it has heat preservation cotton (5) to fill between box (4) and coil pipe (7), install valve (24) between ejection of compact hose (8) and roof (3).

8. The high-precision injection mold of claim 7, wherein: the discharging hose (8) is embedded in the top plate (3), and the box body (4) and the coil pipes (7) are symmetrically arranged on two sides above the top plate (3).