CN112157877A

CN112157877A - Injection mold with improved structure

Info

Publication number: CN112157877A
Application number: CN202011010176.7A
Authority: CN
Inventors: 沈生龙; 沈青; 李建凤; 胡亮亮; 路庆师
Original assignee: Suzhou Jinxing Telecommunication Materials Co ltd
Current assignee: Suzhou Jinxing Telecommunication Materials Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-01-01

Abstract

The invention discloses an injection mold with an improved structure, which comprises a lower mold, a motor, a turbine and an upper mold, wherein a lower sleeve box is fixed at the bottom of the lower mold, the motor is installed on a side bolt of the lower sleeve box, the end of the motor is rotatably connected with a motor shaft, the turbine is installed on the outer side of the motor shaft, a liquid storage cavity is formed in the lower sleeve box on the outer side of the turbine, a first cooling groove is reserved on the inner side of the lower mold, a fixed block is fixed on the inner wall of the first cooling groove, the upper end face of the fixed block is connected with one end of a spring, a movable block is fixed at the other end of the spring, the upper mold is arranged above the lower mold, and an upper sleeve box is sleeved on the outer side of the. This improved generation injection mold of structure adopts water-cooling and the synchronous mode realization of forced air cooling to injection mold's cooling operation, can guarantee the homogeneity of cooling position to accord with the actual demand of the production of moulding plastics at present.

Description

Injection mold with improved structure

Technical Field

The invention relates to the technical field of plastic part processing, in particular to an injection mold with an improved structure.

Background

All there are a plurality of plastics widgets on dust catcher and lawn mower, and these parts are mostly formed through moulding plastics, consequently just need use injection mold, and inside injecting plastics into the mould with mobile material, can accomplish the production of product through cooling shaping again, nevertheless current working of plastics injection mold still has following shortcoming in the in-service use:

traditional injection mold cooling effect is relatively poor, relies on air-cooled mode to cool down the processing to the mould usually to cooling structure is too single, appears cooling position inhomogeneous phenomenon easily, does not update cooling structure according to the actual demand of modern injection moulding operation, to above-mentioned problem, the urgent need carries out the innovative design on original working of plastics injection mold's basis.

Disclosure of Invention

The invention aims to provide an injection mold with an improved structure, which aims to solve the problems that the traditional injection mold has poor cooling effect, the mold is cooled by an air cooling mode generally, the cooling structure is too single, the phenomenon of uneven cooling position is easy to occur, and the cooling structure cannot be updated according to the actual requirement of modern injection molding operation.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a construction improvement type injection mold, includes bed die, motor, turbine and goes up the mould, the bottom of bed die is fixed with lower cover box, and the avris bolt of lower cover box installs the motor, the end department of motor rotates and is connected with the motor shaft, and the fixed flabellum that is provided with in both ends of motor shaft, the turbine is installed in the outside of motor shaft, and has seted up the stock solution chamber in the lower cover box in the turbine outside, the inboard reservation of bed die has first cooling bath, and the inner wall of first cooling bath is fixed with the fixed block, the up end of fixed block and the one end of spring link to each other, and the other end of spring is fixed with the movable block, go up the mould setting in the top of bed die, and the top of going up the mould is fixed with the mouth of moulding plastics, the outside cover of going up the mould is equipped with the cover.

Preferably, the fan blades are symmetrically distributed about the vertical axis of the motor shaft, and the wind directions of the 2 fan blades are opposite.

Preferably, the first cooling tank is arranged in a bent manner, and the first cooling tank is communicated with the liquid storage cavity.

Preferably, the movable block and the fixed block form a relative lifting structure, and the movable block and the fixed block are distributed on the inner side of the lower sleeve box at equal angles.

Preferably, a guide rod is fixed at the lower edge of the upper sleeve box, the guide rod is connected with the second cooling groove through a connecting hole, the second cooling groove is formed in the inner side of the upper sleeve box, and a fixing hole is reserved at the bottom of the guide rod.

Preferably, the two ends of the guide rod are respectively communicated with the second cooling groove and the first cooling groove through the connecting hole and the fixing hole, and the bottom of the guide rod is in contact with the movable block.

Compared with the prior art, the invention has the beneficial effects that: the injection mold with the improved structure adopts a water cooling and air cooling synchronous mode to realize the cooling operation of the injection mold, can ensure the uniformity of a cooling position, and meets the actual requirements of current injection production;

1. the motor drives the turbine to rotate so as to drive the coolant in the liquid storage cavity to flow from one end to the other end, so that the movable block can be driven to descend through the guide rod during die assembly, and further the communication between the fixed hole and the first cooling groove is realized, so that the coolant can be circularly cooled in the liquid storage cavity, the first cooling groove, the second cooling groove and the connecting cavity through flowing;

2. elasticity through the spring can drive the movable block and rise when dividing the mould, and then blocks up first cooling tank open position, prevents that the coolant in the stock solution intracavity from spilling to through 2 opposite wind direction's flabellum, can blow away the heat of mould and with the heat suction, let the cooling effect of mould better.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a schematic side sectional view of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention.

In the figure: 1. a lower die; 2. a lower sleeve box; 3. an electric motor; 4. a motor shaft; 5. a fan blade; 6. a turbine; 7. a liquid storage cavity; 8. a first cooling tank; 9. a fixed block; 10. a spring; 11. a movable block; 12. an upper die; 13. an injection molding port; 14. a sleeve mounting box is arranged; 15. a connecting cavity; 16. a guide rod; 17. connecting holes; 18. a second cooling tank; 19. and (7) fixing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an injection mold with an improved structure comprises a lower mold 1, a lower sleeve box 2, a motor 3, a motor shaft 4, fan blades 5, a turbine 6, a liquid storage cavity 7, a first cooling groove 8, a fixing block 9, a spring 10, a movable block 11, an upper mold 12, an injection molding opening 13, an upper sleeve box 14, a connecting cavity 15, a guide rod 16, a connecting hole 17, a second cooling groove 18 and a fixing hole 19, wherein the lower sleeve box 2 is fixed at the bottom of the lower mold 1, the motor 3 is installed on a side bolt of the lower sleeve box 2, the motor shaft 4 is rotatably connected to the end of the motor 3, the fan blades 5 are fixedly arranged at two ends of the motor shaft 4, the turbine 6 is installed on the outer side of the motor shaft 4, the liquid storage cavity 7 is formed in the lower sleeve box 2 on the outer side of the turbine 6, the first cooling groove 8 is reserved on the inner side of the lower mold 1, the fixing block 9 is fixed on the inner wall of the first cooling groove, a movable block 11 is fixed at the other end of the spring 10, an upper die 12 is arranged above the lower die 1, an injection port 13 is fixed at the top of the upper die 12, an upper sleeve 14 is sleeved outside the upper die 12, and a connecting cavity 15 is formed in the upper sleeve 14;

the fan blades 5 are symmetrically distributed about the vertical axis of the motor shaft 4, the wind directions of the 2 fan blades 5 are opposite, heat of the die is blown away and sucked out in a blowing and air sucking mode, and the diversity of die cooling is improved;

the first cooling groove 8 is arranged in a bent shape, the first cooling groove 8 is communicated with the liquid storage cavity 7, the movable block 11 and the fixed block 9 form a relative lifting structure, the movable block 11 and the fixed block are distributed at equal angles on the inner side of the lower sleeve box 2, the lower edge of the upper sleeve box 14 is fixedly provided with the guide rod 16, the guide rod 16 is connected with the second cooling groove 18 through the connecting hole 17, the second cooling groove 18 is arranged on the inner side of the upper sleeve box 14, the bottom of the guide rod 16 is reserved with the fixed hole 19, two ends of the guide rod 16 are respectively communicated with the second cooling groove 18 and the first cooling groove 8 through the connecting hole 17 and the fixed hole 19, the bottom of the guide rod 16 is contacted with the movable block 11 and drives the guide rod to approach the fixed block 9, so that the communication between the fixed hole 19 and the first cooling groove 8 can be realized, and the cooling liquid in the liquid storage cavity, and flows in the first cooling groove 8 in a bending way, enters the second cooling groove 18 through the guide rod 16, and then flows back to the liquid storage cavity 7 through the connecting cavity 15, so that the circulating flow of the cooling liquid is realized.

The working principle is as follows: when the injection mold with the improved structure is used, as shown in fig. 1 and 3-4, firstly, after the lower mold 1 and the upper mold 12 are closed, the guide rod 16 can be driven to extend into the lower mold 1, the bottom of the guide rod 16 is contacted with the movable block 11 and drives the guide rod to approach the fixed block 9, so that the communication between the fixed hole 19 and the first cooling groove 8 can be realized, as shown in fig. 2, then the motor 3 drives the turbine 6 to rotate through the motor shaft 4, so that the cooling liquid in the liquid storage cavity 7 can flow from one end to the other end, and flows in the first cooling groove 8 in a bending manner, then flows into the second cooling groove 18 through the guide rod 16, and then flows back into the liquid storage cavity 7 through the connecting cavity 15, so that the circulating flow of the cooling liquid is realized, and because the first cooling groove 8 and the second cooling groove 18 are both in a bending manner, the mold can be comprehensively cooled;

as shown in fig. 2 and 4, motor shaft 4 can drive 2 flabellum 5 and rotate simultaneously when pivoted, and then blow off and the suction through blowing and the mode of induced drafting to the heat of mould, promoted the variety to the mould cooling, mould 1 and last mould 12 divide the mould after now, guide rod 16 contacts the suppression to movable block 11, elasticity through spring 10 can drive movable block 11 and rise, and plug up the opening part of first cooling bath 8, avoid the outflow of coolant liquid.

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 various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a institutional advancement type injection mold, includes bed die (1), motor (3), turbine (6) and goes up mould (12), its characterized in that: the bottom of the lower die (1) is fixed with a lower sleeve box (2), the motor (3) is installed on an edge side bolt of the lower sleeve box (2), the end of the motor (3) is rotatably connected with a motor shaft (4), fan blades (5) are fixedly arranged at two ends of the motor shaft (4), the turbine (6) is installed on the outer side of the motor shaft (4), a liquid storage cavity (7) is formed in the lower sleeve box (2) on the outer side of the turbine (6), a first cooling groove (8) is reserved on the inner side of the lower die (1), a fixing block (9) is fixed on the inner wall of the first cooling groove (8), the upper end face of the fixing block (9) is connected with one end of a spring (10), a movable block (11) is fixed at the other end of the spring (10), the upper die (12) is arranged above the lower die (1), and an injection molding opening (13) is fixed at the top of the upper die (12), an upper sleeve box (14) is sleeved on the outer side of the upper die (12), and a connecting cavity (15) is formed in the upper sleeve box (14).

2. The improved injection mold as defined in claim 1, wherein: the fan blades (5) are symmetrically distributed about the vertical axis of the motor shaft (4), and the wind directions of the 2 fan blades (5) are opposite.

3. The improved injection mold as defined in claim 1, wherein: the first cooling groove (8) is arranged in a bent mode, and the first cooling groove (8) is communicated with the liquid storage cavity (7).

4. The improved injection mold as defined in claim 1, wherein: the movable block (11) and the fixed block (9) form a relative lifting structure, and the movable block and the fixed block are distributed on the inner side of the lower sleeve box (2) at equal angles.

5. The improved injection mold as defined in claim 1, wherein: and a guide rod (16) is fixed at the lower edge of the upper sleeve box (14), the guide rod (16) is connected with a second cooling groove (18) through a connecting hole (17), the second cooling groove (18) is formed in the inner side of the upper sleeve box (14), and a fixing hole (19) is reserved at the bottom of the guide rod (16).

6. An improved injection mold in accordance with claim 5, wherein: two ends of the guide rod (16) are communicated with the second cooling groove (18) and the first cooling groove (8) through a connecting hole (17) and a fixing hole (19), and the bottom of the guide rod (16) is contacted with the movable block (11).