CN217373216U

CN217373216U - Novel injection mold structure

Info

Publication number: CN217373216U
Application number: CN202122639701.8U
Authority: CN
Inventors: 王建
Original assignee: Weihai Prius Precision Electronics Co ltd
Current assignee: Weihai Prius Precision Electronics Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-09-06
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a novel injection mold structure in the mold field, which comprises a base, wherein a first portal frame is fixedly arranged at the top of the base, a first mold is fixedly arranged at the top of the base, and a mold clamping mechanism and a frequency modulation structure are arranged on the first portal frame; the mold closing mechanism comprises a cylinder, a second door-shaped frame, a second mold, an insulation can and injection molding heads, the cylinder is fixedly installed on the first door-shaped frame, the second door-shaped frame is fixedly installed on an output shaft of the cylinder, the second mold is fixedly installed on the second door-shaped frame, the insulation can is fixedly installed on the second door-shaped frame, and the injection molding heads are evenly distributed at the bottom of the insulation can. The injection molding machine has the advantages of being capable of adjusting injection molding quantity and strength, improving the quality of injection molded products and avoiding burrs.

Description

Novel injection mold structure

Technical Field

The utility model relates to a mould field specifically is a novel injection mold structure.

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. The element has the name of "industrial mother".

However, in the prior art, the injection molding process of most molds is consistent in overall quantity and strength, the quantity and strength adjustment in different stages of injection molding is lacked, and burrs are easy to generate or injection molding is not completely filled if the injection molding of different parts, such as dense grids, on the same part is too fast.

Accordingly, a person skilled in the art has provided a novel injection mold structure to solve the problems suggested in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel injection mold structure has and to adjust the volume of moulding plastics and intensity, improves the product quality who moulds plastics and avoids the advantage that deckle edge produced to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the die comprises a base, wherein a first portal frame is fixedly mounted at the top of the base, a first die is fixedly mounted at the top of the base, and a die closing mechanism and a frequency modulation structure are arranged on the first portal frame; the mold closing mechanism comprises an air cylinder, a second door-shaped frame, a second mold, an insulation can and injection molding heads, the air cylinder is fixedly arranged on the first door-shaped frame, the second door-shaped frame is fixedly arranged on an output shaft of the air cylinder, the second mold is fixedly arranged on the second door-shaped frame, the insulation can is fixedly arranged on the second door-shaped frame, and the injection molding heads are evenly distributed at the bottom of the insulation can; the frequency modulation structure comprises a material pushing box, a sliding rod, a piston plate, a first sliding block, a square plate, a spring, a first motor, a first rotating disc, a groove, a screw rod, a second sliding block, a second motor and a round rod, wherein the material pushing box is fixedly arranged at the top of a door-shaped frame II, the sliding rod is slidably arranged in the material pushing box, one end of the sliding rod extends out of the material pushing box, the piston plate is fixedly arranged at one end, close to the material pushing box, of the sliding rod, the piston plate is matched with the inner wall of the material pushing box, the first sliding block is slidably arranged on the piston plate, the square plate is fixedly arranged on the outer wall of one side of the first sliding block, the spring is movably sleeved on the first sliding block, one end of the spring is fixedly connected with the outer wall of one side of the square plate, the other end of the spring is fixedly connected with the outer wall of one side of the piston plate, the first motor is fixedly arranged at the top of the door-shaped frame II, the rotating disc is fixedly arranged on the output shaft of the first motor, the groove is formed in one side of the rotary table, the screw is rotatably installed in the groove, the second sliding block is installed on the screw in a threaded mode, one side of the second sliding block extends out of the groove, the second motor is fixedly installed on the inner wall of one side of the groove, the output shaft of the second motor is fixedly connected with one end of the screw, and the round rod is fixedly installed on the outer wall of one side of the second sliding block.

As a further aspect of the present invention: the round bar is rotatably installed on a connecting rod, one end of the connecting rod is hinged to one end of a sliding rod, and a U-shaped heating plate is fixedly installed on the material pushing box.

As a further aspect of the present invention: and a baffle is fixedly arranged on one side of the first sliding block, and a feeding hole is formed in the outer wall of one side of the piston plate.

As a further aspect of the present invention: the top fixed mounting who pushes away the workbin has the feeder hopper, the feeder hopper is linked together with the inside that pushes away the workbin, fixed mounting has electric control valve one on the feeder hopper.

As a further aspect of the present invention: the two rectangular heating plates are fixedly mounted on the inner walls of the two sides of the heat preservation box respectively, vent holes are evenly distributed in the second die, injection molding holes are evenly distributed in the second die, and the injection molding holes are matched with the injection molding heads.

As a further aspect of the present invention: the top of the heat preservation box is fixedly provided with a connecting pipe, the top end of the connecting pipe is fixedly connected with the material pushing box, and the connecting pipe is fixedly provided with a second electric control valve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up locking mechanism for start cylinder can drive two downshifts of door type frame, two drive mould two of door type frame, insulation can and the head of moulding plastics remove laminating mould one, make things convenient for going on of injection molding.

2. The utility model discloses in, through setting up the frequency modulation structure for a starter motor rotates and drives connecting rod and piston plate and carry out reciprocating motion, continuously pours into the liquid of moulding plastics into through the head of moulding plastics to mould one and mould two, and two drive sliders of starter motor are two to be removed and are pressed close to the center of carousel, can carry out the volume and the intensity that the frequency modulation slows down moulding plastics, and the quality is better when making it mould plastics into the net, has the volume and the intensity of moulding plastics of can adjusting, improves the product quality of moulding plastics and avoids the advantage that deckle edge produced.

Drawings

Fig. 1 is a schematic front sectional view of a novel injection mold structure of the present invention;

FIG. 2 is a schematic side view of a cross-sectional structure of a novel injection mold structure of the present invention;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged schematic view of a portion B of FIG. 2 according to the present invention;

fig. 5 is an assembly view of the first motor, the turntable, the groove, the second slider, the second motor and the round rod of the present invention.

In the figure: 1. a base; 2. a first portal frame; 3. a first mould; 4. a cylinder; 5. a second door-shaped frame; 6. a second die; 7. a heat preservation box; 8. an injection head; 9. pushing the material box; 10. a slide bar; 11. a piston plate; 12. a first sliding block; 13. a square plate; 14. a spring; 15. a first motor; 16. a turntable; 17. a groove; 18. a second sliding block; 19. a second motor; 20. a round bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 5, in an embodiment of the present invention, a novel injection mold structure includes a base 1, a first gate frame 2 is fixedly installed on the top of the base 1, a first mold 3 is fixedly installed on the top of the base 1, and a mold clamping mechanism and a frequency modulation structure are arranged on the first gate frame 2; the die closing mechanism comprises a cylinder 4, a second portal frame 5, a second die 6, an incubator 7 and an injection molding head 8, the cylinder 4 is fixedly arranged on the first portal frame 2, the second portal frame 5 is fixedly arranged on an output shaft of the cylinder 4, the second die 6 is fixedly arranged on the second portal frame 5, the incubator 7 is fixedly arranged on the second portal frame 5, and the injection molding head 8 is evenly distributed at the bottom of the incubator 7; the frequency modulation structure comprises a material pushing box 9, a sliding rod 10, a piston plate 11, a first sliding block 12, a square plate 13, a spring 14, a first motor 15, a rotating disc 16, a groove 17, a screw rod, a second sliding block 18, a second motor 19 and a round rod 20, wherein the material pushing box 9 is fixedly arranged at the top of a second door-shaped frame 5, the sliding rod 10 is slidably arranged in the material pushing box 9, one end of the sliding rod 10 extends out of the material pushing box 9, the piston plate 11 is fixedly arranged at one end, close to the material pushing box 9, of the sliding rod 10, the piston plate 11 is matched with the inner wall of the material pushing box 9, the first sliding block 12 is slidably arranged on the piston plate 11, the square plate 13 is fixedly arranged on the outer wall of one side of the first sliding block 12, the spring 14 is movably sleeved on the first sliding block 12, one end of the spring 14 is fixedly connected with the outer wall of one side of the square plate 13, the other end of the spring 14 is fixedly connected with the outer wall of one side of the piston plate 11, the first motor 15 is fixedly arranged at the top of the second door-shaped frame 5, the rotary table 16 is fixedly installed on an output shaft of the first motor 15, the groove 17 is formed in one side of the rotary table 16, the screw is rotatably installed in the groove 17, the second slider 18 is installed on the screw in a threaded mode, one side of the second slider 18 extends out of the groove 17, the second motor 19 is fixedly installed on the inner wall of one side of the groove 17, the output shaft of the second motor 19 is fixedly connected with one end of the screw, and the round rod 20 is fixedly installed on the outer wall of one side of the second slider 18.

Wherein, the round bar 20 is rotatably arranged with a connecting bar, one end of the connecting bar is hinged with one end of the sliding bar 10, and the pushing box 9 is fixedly arranged with a U-shaped heating plate.

By arranging the U-shaped heating plate, after plastic particles are added to the material pushing box 9 through the feeding hopper, the plastic particles are melted to form injection molding liquid, and injection molding and material supplement are facilitated.

Wherein, a baffle is fixedly arranged on one side of the first sliding block 12, and a feeding hole is formed in the outer wall of one side of the piston plate 11.

Wherein, the top of the material pushing box 9 is fixedly provided with a feed hopper, the feed hopper is communicated with the inside of the material pushing box 9, and the feed hopper is fixedly provided with a first electric control valve.

Wherein, two rectangular heating plates are respectively and fixedly installed on the inner walls of the two sides of the heat preservation box 7, vent holes are evenly distributed on the second die 6, injection molding holes are evenly distributed on the second die 6, and the injection molding holes are matched with the injection molding heads 8.

Through the exhaust hole, mould plastics the hole and mould plastics under the first 8 mutually supporting for the exhaust hole can be discharged the air in mould one 3 and the mould two 6 through the exhaust hole when the head 8 of moulding plastics, can make the liquid of moulding plastics keep the temperature when the incubator 7 in through the rectangle hot plate and avoid cooling in advance and solidify.

Wherein, the top of the heat preservation box 7 is fixedly provided with a connecting pipe, the top end of the connecting pipe is fixedly connected with the material pushing box 9, and the connecting pipe is fixedly provided with a second electric control valve.

Through the mutual cooperation of the connecting pipe and the second electric control valve, when the second electric control valve is closed, injection molding liquid can be supplemented when the piston plate 11 slides rightwards, and backflow of the injection molding liquid in the injection molding head 8 is avoided.

The utility model discloses a theory of operation is: the starting cylinder 4 drives the second door-shaped frame 5 to move downwards, the second door-shaped frame 5 drives the second mold 6 to move downwards to be tightly attached to the first mold 3, when injection molding is needed, the second electric control valve and the first electric control valve are opened, the first starting motor 15 drives the rotary table 16 to rotate, the rotary table 16 drives the round rod 20 to do circular motion, the round rod 20 drives the connecting rod to move, the connecting rod drives the sliding rod 10 to slide, the sliding rod 10 pushes the piston plate 11 to extrude injection molding liquid from the injection molding head 8 through the material pushing box 9, the connecting pipe and the heat insulation box 7, the bottom layer of the mold is filled rapidly, when the piston plate 11 moves back and forth, the second electric control valve and the first electric control valve are closed, as shown in figures 1 and 2, the baffle is moved by the pressure of the injection liquid on the right side of the material pushing box 9, the baffle drives the first slide block 12 to slide, the first slide block 12 drives the square plate 13 to move the extrusion spring 14 to generate pressure, so that the feed inlets are opened respectively to supplement the injection molding liquid, when the dense grids on the material pushing box are filled, the second starting motor 19 drives the screw rod to rotate, the screw rod drives the second sliding block 18 to move, the second sliding block 18 drives the round rod 20 to move to be close to the center of the rotary table 16, the amount and the strength of the injection molding liquid pushed by the connecting rod and the sliding rod 10 driven by the rotary table 16 in the rotating process are reduced, the filled dense grids are more sufficient, plastic particles can be added into the material pushing box 9 through the feed hopper, and the plastic particles can be melted into the injection molding liquid by starting the U-shaped heating plate.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A novel injection mould structure, includes base (1), its characterized in that: a first portal frame (2) is fixedly mounted at the top of the base (1), a first die (3) is fixedly mounted at the top of the base (1), and a die closing mechanism and a frequency modulation structure are arranged on the first portal frame (2);

the mold closing mechanism comprises an air cylinder (4), a second portal frame (5), a second mold (6), an insulation can (7) and an injection molding head (8), the air cylinder (4) is fixedly installed on the first portal frame (2), the second portal frame (5) is fixedly installed on an output shaft of the air cylinder (4), the second mold (6) is fixedly installed on the second portal frame (5), the insulation can (7) is fixedly installed on the second portal frame (5), and the injection molding heads (8) are evenly distributed at the bottom of the insulation can (7);

the frequency modulation structure comprises a material pushing box (9), a sliding rod (10), a piston plate (11), a first sliding block (12), a square plate (13), a spring (14), a first motor (15), a rotary disc (16), a groove (17), a screw rod, a second sliding block (18), a second motor (19) and a round rod (20), wherein the material pushing box (9) is fixedly arranged at the top of a door-shaped frame (5), the sliding rod (10) is slidably arranged in the material pushing box (9), one end of the sliding rod (10) extends out of the material pushing box (9), the piston plate (11) is fixedly arranged at one end, close to the material pushing box (9), of the sliding rod (10), the piston plate (11) is matched with the inner wall of the material pushing box (9), the first sliding block (12) is slidably arranged on the piston plate (11), the square plate (13) is fixedly arranged on the outer wall of one side of the first sliding block (12), the spring (14) is movably sleeved on the first sliding block (12), the one end of spring (14) and one side outer wall fixed connection of square plate (13), the other end of spring (14) and one side outer wall fixed connection of piston plate (11), motor (15) fixed mounting is at the top of door type frame two (5), carousel (16) fixed mounting is on the output shaft of motor (15), one side at carousel (16) is seted up in recess (17), the screw rod rotates to be installed in recess (17), slider two (18) screw thread is installed on the screw rod, one side of slider two (18) extends outside recess (17), motor two (19) fixed mounting is on the one side inner wall of recess (17), the output shaft of motor two (19) and the one end fixed connection of screw rod, round bar (20) fixed mounting is on one side outer wall of slider two (18).

2. A novel injection mold structure as claimed in claim 1, wherein: the round bar (20) is rotatably installed on a connecting bar, one end of the connecting bar is hinged to one end of a sliding bar (10), and a U-shaped heating plate is fixedly installed on the material pushing box (9).

3. A novel injection mold structure as claimed in claim 1, wherein: a baffle is fixedly mounted on one side of the first sliding block (12), and a feeding hole is formed in the outer wall of one side of the piston plate (11).

4. A novel injection mold structure as claimed in claim 1, wherein: the top fixed mounting who pushes away workbin (9) has the feeder hopper, the feeder hopper is linked together with the inside that pushes away workbin (9), fixed mounting has electric control valve one on the feeder hopper.

5. A novel injection mold structure as claimed in claim 1, wherein: the mold is characterized in that two rectangular heating plates are fixedly mounted on the inner walls of the two sides of the heat preservation box (7) respectively, vent holes are evenly distributed in the second mold (6), injection molding holes are evenly distributed in the second mold (6), and the injection molding holes are matched with the injection molding heads (8).

6. A novel injection mold structure as claimed in claim 1, wherein: the top of insulation can (7) is fixed with the connecting pipe, the top of connecting pipe with push away workbin (9) fixed connection, fixed mounting has automatically controlled valve two on the connecting pipe.