CN213137622U

CN213137622U - Shaping die for splash-proof mask

Info

Publication number: CN213137622U
Application number: CN202021459684.9U
Authority: CN
Inventors: 王世雄; 肖和富
Original assignee: Shenzhen Kaikexing Technology Co ltd
Current assignee: Shenzhen Kaikexing Technology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-05-07
Anticipated expiration: 2030-07-22

Abstract

A shaping mold of a splash-proof mask comprises: the base component comprises a top seat, a base and a movable plate, the top seat is connected with the base through a connecting rod, the movable plate is assembled on the surface of the connecting rod in a sliding mode, and an electric cylinder is installed above the top seat; the injection molding assembly is assembled above the top seat and used for bearing and containing plastic in a molten state; the detachable die assembly is adopted and is combined with the baffle plate, the clamping block is only required to be inserted into the corresponding clamping groove during assembly, and then the position of the baffle plate is restored, so that the use of fixed parts such as screws and the like is avoided; the design and the adoption of the vacuum box, the combination of the valve, and the utilization of the vacuum technology, so that a certain negative pressure is generated in the die cavity between the upper die and the lower die, the whole die cavity is filled with the material in the injection molding cylinder under the dual functions of gravity and pressure, when the material is excessive, the valve can realize the automatic closing operation, and the flexibility of the whole device during use is reflected.

Description

Shaping die for splash-proof mask

Technical Field

The utility model belongs to the mould field specifically is a design mould of gauze mask prevents splashing.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material.

When the mask is produced, a shaping mold needs to be used, however, the existing shaping mold may have the following technical problems when in use: firstly, the existing die is fixed and installed through screws, so that the existing die is inconvenient to disassemble and replace; secondly, the material for injection molding may retain air after entering the cavity, thereby generating air bubbles which cannot be completely filled into the cavity formed between the upper mold and the lower mold.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a design mould of gauze mask prevents splashing.

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

a shaping mold of a splash-proof mask comprises:

the base component comprises a top seat, a base and a movable plate, the top seat is connected with the base through a connecting rod, the movable plate is assembled on the surface of the connecting rod in a sliding mode, and an electric cylinder is installed above the top seat;

the injection molding assembly is assembled above the top seat and used for bearing and containing plastic in a molten state;

the mould assembly comprises an upper mould and a lower mould, the upper mould and the lower mould are respectively assembled on the surfaces of the movable plate and the base, and an injection port preset at the top end of the upper mould is communicated with the injection assembly through a telescopic pipe;

the water tank is arranged at one end of the front side of the base, a water outlet pipe and a water inlet pipe are respectively assembled on the surface of the water tank, and the water inlet pipe and the water outlet pipe are respectively communicated with inner grooves preset in the upper die and the lower die; and

and the vacuum box is arranged at the other end of the front side of the base, an exhaust pipe is assembled on the surface of the vacuum box, and the exhaust pipe is communicated with the die cavity between the upper die and the lower die.

Preferably, the injection molding assembly comprises an injection molding barrel, a feed inlet, a micro motor arranged at the top end of the injection molding barrel and a screw rod assembled inside the injection molding barrel, and a preset discharge outlet at the bottom end of the injection molding barrel is connected with the telescopic pipe.

Preferably, the surfaces of the upper die and the lower die are integrally welded with fixture blocks, and the fixture blocks are slidably clamped in the clamp grooves preset on the surfaces of the base and the movable plate.

Preferably, the surfaces of the base and the movable plate are provided with turnover baffles, and the baffles are tightly attached to one side of the mold assembly in the state that the clamping blocks are completely clamped in the clamping grooves.

Preferably, the inner groove is of a spiral pipe groove structure, the inner groove in the upper die is connected with the other inner groove through a through pipe assembly, and the through pipe assembly comprises an upper through pipe and a lower through pipe which are connected in an inserted manner.

Preferably, the first valve is installed at the position, located at the communicating end between the injection molding port and the mold cavity, of the surface of the upper mold, the transition box is assembled in the middle of the exhaust pipe, the second valve is installed at the position, located at the communicating end between one end of the exhaust pipe and the mold cavity, and the pressure sensor is arranged at the position, close to the second valve, of the surface of the exhaust pipe.

Compared with the prior art, the utility model provides a prevent design mould of gauze mask that splashes has following beneficial effect:

firstly, a detachable die assembly is adopted and is combined with a baffle plate for use, a clamping block is only required to be inserted into a corresponding clamping groove during assembly, then the position of the baffle plate is restored, and the use of fixed parts such as screws is avoided;

secondly, a vacuum box is designed and adopted, the vacuum box is used in combination with a valve, a certain negative pressure is generated in a mold cavity between an upper mold and a lower mold by utilizing a vacuum technology, the material in the injection molding cylinder is ensured to fill the whole mold cavity under the dual actions of gravity and pressure, when the material is excessive, the valve can realize automatic closing operation, and the flexibility of the whole device in use is reflected;

and thirdly, the water tank and the inner grooves are combined for use, the inner grooves of the upper layer and the lower layer are mutually communicated under the pressing state of the upper die and the lower die, the circulation operation of cooling water is realized, the heat conducted in the die is taken away under the large-area contact with the die, and the smooth operation of the material injection molding processing is ensured.

Drawings

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

fig. 2 is an enlarged view of the partial structure a of fig. 1 according to the present invention;

fig. 3 is an enlarged view of a partial structure B of fig. 1 according to the present invention;

fig. 4 is a schematic view of the internal groove structure of the present invention.

Reference numerals: 1. a top seat; 2. a base; 3. a movable plate; 4. an electric cylinder; 5. an injection molding assembly; 51. an injection molding barrel; 52. a feed inlet; 53. a micro motor; 54. a screw; 6. a telescopic pipe; 7. a water tank; 71. a water outlet pipe; 72. a water inlet pipe; 8. a vacuum box; 81. a transition box; 82. an air exhaust pipe; 83. a pressure sensor; 9. an upper die; 91. an injection molding port; 10. a lower die; 11. a first valve; 12. a second valve; 13. a baffle plate; 14. a clamping block; 15. an inner tank; 151. an upper pipe; 152. a lower pipe.

Detailed Description

The following description further describes a specific embodiment of the shaping mold for the anti-splash mask of the present invention with reference to fig. 1. The utility model relates to a design mould of gauze mask of preventing splashing is not limited to the description of following embodiment.

This embodiment provides a specific structure of a mold for shaping a splash-proof mask, as shown in fig. 1 to 4, the mold for shaping a splash-proof mask includes:

the base component comprises a top seat 1, a base 2 and a movable plate 3, wherein the top seat 1 is connected with the base 2 through a connecting rod, the movable plate 3 is assembled on the surface of the connecting rod in a sliding mode, and an electric cylinder 4 is installed above the top seat 1;

the injection molding component 5 is assembled above the top seat 1 and used for containing the plastic in a molten state;

the mould assembly comprises an upper mould 9 and a lower mould 10, the upper mould and the lower mould are respectively assembled on the surfaces of the movable plate 3 and the base 2, an injection molding opening 91 preset at the top end of the upper mould 9 is communicated with the injection molding assembly 5 through a telescopic pipe 6, and the telescopic pipe 6 can be folded at a certain angle;

a water tank 7 which is arranged at one end of the front side of the base 2, wherein the surface of the water tank 7 is respectively provided with a water outlet pipe 71 and a water inlet pipe 72, and the water inlet pipe and the water outlet pipe are respectively communicated with an inner groove 15 which is preset in the upper die and the lower die; and

and a vacuum box 8 which is installed at the other end of the front side of the base 2, wherein the surface of the vacuum box 8 is provided with an exhaust pipe 82, and the exhaust pipe 82 is communicated with the mold cavity between the upper mold and the lower mold.

As shown in fig. 1, the injection molding assembly 5 includes an injection molding barrel 51, a feeding port 52, a micro motor 53 installed at the top end of the injection molding barrel 51, and a screw 54 assembled inside the injection molding barrel 51, wherein a discharging port preset at the bottom end of the injection molding barrel 51 is connected with the telescopic pipe 6.

As shown in fig. 1 to 4, the fixture blocks 14 are integrally welded on the surfaces of the upper die 9 and the lower die 10, and the fixture blocks 14 are slidably clamped in the preset slots on the surfaces of the base 2 and the movable plate 3.

As shown in fig. 3, the surfaces of the base 2 and the movable plate 3 are provided with a reversible baffle 13, and the baffle 13 is closely attached to one side of the mold assembly in a state that the fixture blocks 14 are completely clamped into the fixture grooves.

Specifically, when the upper mold 9 is installed, the baffle 13 on the surface of the movable plate 3 is firstly unfolded, so that the clamping block 14 can be smoothly inserted into a clamping groove preset on the surface of the movable plate 3; then, the baffle 13 is loosened, and the baffle 13 is restored to the initial state under the action of the elastic restoring force of the torsion rotating shaft arranged at one end of the baffle 13, and is tightly attached to the lower surface of the movable plate 3, so that the clamping block 14 in the clamping groove is blocked.

The detachable mould assembly is adopted, and the detachable mould assembly is combined with the baffle 13 for use, so that the clamping groove corresponding to the clamping block 14 is only required to be inserted into when the assembly is carried out, and then the position of the baffle 13 is restored to be capable of avoiding using fixed parts such as screws.

As shown in fig. 4, the inner tank 15 has a spiral pipe-tank structure, and the inner tank 15 and the other inner tank 15 in the upper mold 9 are connected by a pipe assembly including an upper pipe 151 and a lower pipe 152 that are inserted into each other.

The water tank 7 and the inner grooves 15 are combined for use, the inner grooves 15 of the upper layer and the lower layer are communicated with each other under the pressing state of the upper die and the lower die, the circulation operation of cooling water is realized, the heat conducted in the dies is taken away under the large-area contact of the dies, and the smooth operation of the injection molding processing of materials is ensured.

Specifically, a water pump is arranged in the water tank 7, and the water pump can pump out cold water in the water tank 7, send the cold water into the corresponding inner groove 15, and finally discharge the cold water from the water outlet pipe 71, so that the circulation operation of cooling water is realized.

As shown in fig. 3 and 4, a first valve 11 is installed on the surface of the upper mold 9 at the position of the communicating end of the injection port 91 and the mold cavity, a transition box 81 is installed in the middle of the exhaust pipe 82, a second valve 12 is installed at the position of the communicating end of the one end of the exhaust pipe 82 and the mold cavity, and a pressure sensor 83 is arranged on the surface of the exhaust pipe 82 near the second valve 12.

The design adopts the vacuum box 8, and combines the valve for use, and utilizes the vacuum technology to ensure that a certain negative pressure is generated in the die cavity between the upper die and the lower die, so that the material in the injection cylinder 51 is ensured to fill the whole die cavity under the dual actions of gravity and pressure, when the material is too much, the valve can realize the automatic closing operation, and the flexibility of the whole device during use is reflected.

Specifically, a vacuum generator is assembled in the vacuum box 8, and the whole device can be controlled by starting a controller (the model of the controller is PLC226) assembled on the outer wall of the vacuum box 8;

after the whole die cavity is filled with the material, part of the material can continue to enter the transition box 81 through the exhaust pipe 82, at the moment, the material passes through the detection end of the pressure sensor 83, the pressure sensor 83 can send a signal to the controller at once to indicate that the material is full, and the controller can send a signal to the valve after receiving the instruction (the valve comprises a first valve 11 and a second valve 12) to close the valve, and meanwhile, the material supply and the material discharge channel are disconnected, so that the subsequent shaping processing operation of the material is ensured.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a design mould of gauze mask of preventing splashing which characterized in that includes:

the base component comprises a top seat (1), a base (2) and a movable plate (3), the top seat (1) is connected with the base (2) through a connecting rod, the movable plate (3) is assembled on the surface of the connecting rod in a sliding mode, and an electric cylinder (4) is installed above the top seat (1);

the injection molding assembly (5) is assembled above the top seat (1) and is used for containing the plastic in a molten state;

the mould assembly comprises an upper mould (9) and a lower mould (10), the upper mould and the lower mould are respectively assembled on the surfaces of the movable plate (3) and the base (2), and an injection port (91) preset at the top end of the upper mould (9) is communicated with the injection assembly (5) through a telescopic pipe (6);

the water tank (7) is arranged at one end of the front side of the base (2), a water outlet pipe (71) and a water inlet pipe (72) are respectively assembled on the surface of the water tank (7), and the water inlet pipe and the water outlet pipe are respectively communicated with inner grooves (15) preset in the upper die and the lower die; and

the vacuum box (8) is arranged at the other end of the front side of the base (2), an air exhaust pipe (82) is assembled on the surface of the vacuum box (8), and the air exhaust pipe (82) is communicated with the die cavity between the upper die and the lower die.

2. The shaping mold of the splash-proof mask as set forth in claim 1, wherein: the injection molding assembly (5) comprises an injection molding barrel (51), a feed inlet (52), a micro motor (53) arranged at the top end of the injection molding barrel (51) and a screw rod (54) assembled inside the injection molding barrel (51), wherein a preset discharge hole at the bottom end of the injection molding barrel (51) is connected with the telescopic pipe (6).

3. The shaping mold of the splash-proof mask as set forth in claim 1, wherein: the surfaces of the upper die (9) and the lower die (10) are uniformly welded with a clamping block (14), and the clamping block (14) is slidably clamped in a clamping groove preset on the surfaces of the base (2) and the movable plate (3).

4. The shaping mold of the splash-proof mask as claimed in claim 3, wherein: the surface of the base (2) and the surface of the movable plate (3) are provided with turnover baffles (13), and the baffles (13) are tightly attached to one side of the mold assembly under the condition that the clamping blocks (14) are completely clamped to the clamping grooves.

5. The shaping mold of the splash-proof mask as set forth in claim 1, wherein: the inner groove (15) is of a spiral pipe groove structure, the inner groove (15) in the upper die (9) is connected with the other inner groove (15) through a through pipe assembly, and the through pipe assembly comprises an upper through pipe (151) and a lower through pipe (152) which are connected in an inserted mode.

6. The shaping mold of the splash-proof mask as set forth in claim 1, wherein: go up mould (9) surface and be located the position department of moulding plastics mouth (91) and die cavity intercommunication end and install valve (11) No. one, the middle part of exhaust tube (82) is equipped with transition case (81), and the position department of exhaust tube (82) one end and die cavity intercommunication end installs No. two valves (12) to be provided with pressure sensor (83) in the position department that exhaust tube (82) surface is close to No. two valves (12).