CN212888780U

CN212888780U - Feeding structure is used in processing of plastic mold

Info

Publication number: CN212888780U
Application number: CN202021691909.3U
Authority: CN
Inventors: 张问政
Original assignee: Shenzhen Taichengxin Plastic Hardware Products Co ltd
Current assignee: Shenzhen Taichengxin Plastic Hardware Products Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-04-06
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a feed structure is used in plastic mold processing relates to injection mold feed arrangement technical field, comprising a main body, the bell has been seted up at the middle part of main part, the baffle is installed at the top of bell, the top left side of main part is fixed with the second cylinder, and the inside swing joint of second cylinder has the second piston, the right part of second piston is connected with the second connecting rod, smooth pipe is installed to the top of main part, and the inside swing joint of smooth pipe has the third piston, the hinge is installed at the top of third piston. The utility model discloses in, adopt first heating wire, shredding knife and cutting off cutter, the plastics that no longer require to use are the graininess, and only need make plastics rectangular shape, are convenient for accomodate and preserve, and during the use, rectangular plastics preheats through first heating wire, and plastics become soft, move left, are cut into the filiform thing by the shredding knife, move left again and are cut into the fritter by the cutting off cutter, get into in the bell.

Description

Feeding structure is used in processing of plastic mold

Technical Field

The utility model relates to an injection mold feed arrangement technical field especially relates to a feed structure is used in plastic mold processing.

Background

With the development of science and technology and the progress of times, the development of the mold is more and more rapid, the mold can support half a day of the industry of China, various injection molds are used in daily life, various molds are layered endlessly, and different feeding modes are used due to different properties and states of various plastics, so that a feeding structure for plastic processing is produced.

The existing die feeding structure has great requirements on the existing state of plastics, generally the existing die feeding structure is granular, and the pressure in a charging barrel is not easy to control in the injection molding process, so that the molded plastic part has defects.

Disclosure of Invention

The utility model aims at solving the existing state of current mould feed structure to plastics and having very big requirement, generally all require to be the graininess, at the in-process of moulding plastics, not control the pressure in the feed cylinder well for the shaping is moulded a shortcoming that has a flaw, and a feed structure is used in plastics mould processing that proposes.

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

a feeding structure for processing a plastic die comprises a main body, wherein a conical opening is formed in the middle of the main body, a baffle is installed at the top of the conical opening, a second cylinder is fixed on the left side of the upper portion of the main body, a second piston is movably connected inside the second cylinder, a second connecting rod is connected to the right portion of the second piston, a smooth pipe is installed above the main body, a third piston is movably connected inside the smooth pipe, a hinge is installed at the top of the third piston, a third connecting rod is connected to one end of the hinge, a ring is connected to one end of the third connecting rod, a motor is installed in the center of the ring, a cutting knife is connected to the lower portion of the third piston, a wire cutting knife is installed on the right side of the cutting knife, a first heating wire is installed on the right portion of the wire cutting knife, a spiral extrusion rod is installed below the main body, and a motor is connected to the right side of the spiral extrusion rod, the nozzle has been seted up in the left side of spiral extrusion pole, the second heating wire is installed to the below of spiral extrusion pole, and the right-hand member of second heating wire has seted up first cylinder, the inside swing joint of first cylinder has first piston, the right-hand member of first piston is connected with first connecting rod, and the end of first connecting rod is provided with the handle, the hydraulic pressure pipe is installed at the bottom both ends of second cylinder, and the end-to-end connection of hydraulic pressure pipe has the electromagnetic directional valve, the bottom right side of electromagnetic directional valve has first oil tank through hydraulic pressure union coupling, the bottom left side of electromagnetic directional valve has the hydraulic pump through hydraulic pressure union coupling, the lower extreme of hydraulic pump has the second oil tank through hydraulic pressure union coupling.

Preferably, the first heating wires are distributed in two groups up and down, and the inner wall of the first cylinder is tightly attached to the outer wall of the first piston.

Preferably, the second heating wire is spirally distributed below the spiral extrusion rod, and threads on the spiral extrusion rod are equidistantly distributed.

Preferably, a crank-connecting rod mechanism is formed among the circular ring, the third connecting rod and the third piston, and the outer side of the third piston is attached to the inner wall of the smooth pipe.

Preferably, the inner wall of the second cylinder is tightly connected with the outer wall of the second piston, and the caliber of the nozzle is 1 cm.

Preferably, four groups of the shredding knives are distributed in parallel, and the center of the circular ring is located on the central axis of the third piston.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, adopt first heating wire, shredding knife and cutting off cutter, the plastics that no longer require to use are the graininess, and only need make plastics rectangular shape, are convenient for accomodate and preserve, and during the use, rectangular plastics preheats through first heating wire, and plastics become soft, move left, are cut into the filiform thing by the shredding knife, move left again and are cut into the fritter by the cutting off cutter, get into in the bell.

2. The utility model discloses in, be provided with first cylinder, first piston, first connecting rod and handle on the below right side of spiral extrusion pole, through promote the handle left, right and realize the effect of pressurization or decompression in the feed cylinder, when internal pressure is too big, just promote the handle right, when internal pressure undersize, just promote the handle left, the baffle need cover the bell this moment.

3. The utility model discloses in, be provided with ring, third connecting rod and piston, constitute crank link mechanism between ring, third connecting rod and the piston, it is rotatory to drive the ring through the motor rotation to it is high-speed removal about the piston is done to drive, changes rotary motion into linear motion, makes the cutting off cutter constantly cut off filiform plastics.

Drawings

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

FIG. 2 is an enlarged schematic view of part A of the present invention;

fig. 3 is the transmission schematic diagram of the hydraulic system of the second cylinder in the utility model.

Illustration of the drawings:

1. a cutting knife; 2. a shredding knife; 3. a first heating wire; 4. a main body; 5. an electric motor; 6. a first link; 7. a handle; 8. a first piston; 9. a first cylinder; 10. a screw extrusion stem; 11. a second heating wire; 12. a nozzle; 13. a second cylinder; 14. a second piston; 15. a second link; 16. a baffle plate; 17. a tapered mouth; 18. a circular ring; 19. a third link; 20. a third piston; 21. smoothing the tube; 22. a hinge; 23. a motor; 24. a hydraulic tube; 25. an electromagnetic directional valve; 26. a first oil tank; 27. a hydraulic pump; 28. a second oil tank.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a feeding structure for plastic mold processing comprises a cutting knife 1, a filament cutter 2, a first heating wire 3, a main body 4, a motor 5, a first connecting rod 6, a handle 7, a first piston 8, a first cylinder 9, a spiral extrusion rod 10, a second heating wire 11, a nozzle 12, a second cylinder 13, a second piston 14, a second connecting rod 15, a baffle 16, a tapered opening 17, a ring 18, a third connecting rod 19, a third piston 20, a smooth pipe 21, a hinge 22, a motor 23, a hydraulic pipe 24, an electromagnetic directional valve 25, a first oil tank 26, a hydraulic pump 27 and a second oil tank 28, wherein the tapered opening 17 is formed in the middle of the main body 4, the baffle 16 is installed at the top of the tapered opening 17, the second cylinder 13 is fixed on the left side above the main body 4, the second piston 14 is movably connected inside the second cylinder 13, and the second connecting rod 15 is connected to the right part of the second piston 14, a smooth pipe 21 is arranged above the main body 4, a third piston 20 is movably connected inside the smooth pipe 21, a hinge 22 is arranged at the top of the third piston 20, one end of the hinge 22 is connected with a third connecting rod 19, one end of the third connecting rod 19 is connected with a circular ring 18, a motor 23 is arranged at the center of the circular ring 18, a cutting knife 1 is connected below the third piston 20, a filament cutter 2 is arranged at the right side of the cutting knife 1, a first heating wire 3 is arranged at the right part of the filament cutter 2, a spiral extrusion rod 10 is arranged below the main body 4, a motor 5 is connected at the right side of the spiral extrusion rod 10, a nozzle 12 is arranged at the left side of the spiral extrusion rod 10, a second heating wire 11 is arranged below the spiral extrusion rod 10, a first cylinder 9 is arranged at the right end of the second heating wire 11, a first piston 8 is movably connected inside the first cylinder 9, a first connecting rod 6 is connected at the right end of the first piston 8, and the end of the first connecting rod 6 is provided with a handle 7, the two ends of the bottom of the second cylinder 13 are provided with hydraulic pipes 24, the end of the hydraulic pipe 24 is connected with an electromagnetic directional valve 25, the right side of the bottom of the electromagnetic directional valve 25 is connected with a first oil tank 26 through the hydraulic pipe 24, the left side of the bottom of the electromagnetic directional valve 25 is connected with a hydraulic pump 27 through the hydraulic pipe 24, and the lower end of the hydraulic pump 27 is connected with a second oil tank 28 through the hydraulic pipe 24.

Further, two groups of first heating wires 3 are vertically distributed, the inner wall of the first air cylinder 9 is tightly attached to the outer wall of the first piston 8, the two groups of first heating wires 3 ensure that the upper surface and the lower surface of the strip-shaped plastic can be uniformly preheated, the inner wall of the first air cylinder 9 is tightly attached to the outer wall of the first piston 8, and the joint of the first piston 8 and the first air cylinder 9 is ensured to be airtight.

Furthermore, the second heating wire 11 is spirally distributed below the spiral extrusion rod 10, the threads on the spiral extrusion rod 10 are equidistantly distributed, and the spiral distribution of the second heating wire 11 increases the heat dissipation area, so that the plastic in the charging barrel is heated more thoroughly.

Furthermore, a crank-link mechanism is formed among the circular ring 18, the third connecting rod 19 and the third piston 20, the outer side of the third piston 20 is attached to the inner wall of the smooth pipe 21, the crank-link mechanism can achieve the effect of converting rotary motion into linear motion, the circular ring 18 is driven to rotate by the motor 23, and the third piston 20 moves up and down along the inner wall of the smooth pipe 21 under the driving of the third connecting rod 19.

Further, the inner wall of the second cylinder 13 is tightly connected with the outer wall of the second piston 14, the caliber of the nozzle 12 is 1cm, and the inner wall of the second cylinder 13 is tightly connected with the outer wall of the second piston 14, so that the second piston 13 can move smoothly in the second cylinder 14.

Furthermore, four groups of the shredding knives 2 are distributed in parallel, the center of the circular ring 18 is positioned on the central axis of the third piston 20, and the center of the circular ring 18 is positioned on the central axis of the third piston 20, so that the stable transmission of the crank-link mechanism is ensured, and the deviation phenomenon is avoided.

The working principle is as follows: when the heating device is used, the first heating wire 3 is heated, the second piston 14 is controlled by the hydraulic system to move leftwards, the baffle 16 leaves the conical opening 17, the motor 5 is started, the second heating wire 11 is electrified to heat, the strip-shaped plastic is slowly fed into the gap between the first heating wire 3, the first heating wire 3 is preheated to enable the plastic to become soft, the motor 23 is started, the motor 23 drives the ring 18 to rotate, and then the third piston 20 is driven to move up and down on the inner wall of the smooth tube 21, the third piston 20 moves to drive the cutting knife 1 to move continuously, the strip-shaped plastic is changed into filament shape after passing through the filament cutting knife 2, is cut off by the cutting knife 1, falls into the charging barrel, is heated to a melting state by the second electric heating wire 11, when the internal pressure is too high, the handle 7 is moved rightwards, when the internal pressure is too low, the handle 7 is pushed leftwards, and the motor 5 drives the spiral extrusion rod 10 to move so as to extrude the molten plastic from the nozzle 12.

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. The utility model provides a feeding structure is used in processing of plastic mold, includes main part (4), its characterized in that, bell mouth (17) have been seted up at the middle part of main part (4), baffle (16) are installed at the top of bell mouth (17), the top left side of main part (4) is fixed with second cylinder (13), and inside swing joint of second cylinder (13) has second piston (14), the right part of second piston (14) is connected with second connecting rod (15), smooth pipe (21) is installed to the top of main part (4), and the inside swing joint of smooth pipe (21) has third piston (20), hinge (22) are installed at the top of third piston (20), and the one end of hinge (22) is connected with third connecting rod (19), the one end of third connecting rod (19) is connected with ring (18), and the center department of ring (18) installs motor (23), the cutting knife (1) is connected below the third piston (20), the filament cutting knife (2) is installed on the right side of the cutting knife (1), the first heating wire (3) is installed on the right portion of the filament cutting knife (2), the spiral extrusion rod (10) is installed below the main body (4), the motor (5) is connected on the right side of the spiral extrusion rod (10), the nozzle (12) is arranged on the left side of the spiral extrusion rod (10), the second heating wire (11) is installed below the spiral extrusion rod (10), the first cylinder (9) is arranged at the right end of the second heating wire (11), the first piston (8) is movably connected inside the first cylinder (9), the first connecting rod (6) is connected at the right end of the first piston (8), the handle (7) is arranged at the tail end of the first connecting rod (6), and the hydraulic pipe (24) is installed at two ends of the bottom of the second cylinder (13), and the end connection of hydraulic pressure pipe (24) has electromagnetic directional valve (25), the bottom right side of electromagnetic directional valve (25) is connected with first oil tank (26) through hydraulic pressure pipe (24), the bottom left side of electromagnetic directional valve (25) is connected with hydraulic pump (27) through hydraulic pressure pipe (24), the lower extreme of hydraulic pump (27) is connected with second oil tank (28) through hydraulic pressure pipe (24).

2. A feeding structure for processing plastic molds according to claim 1, wherein two groups of the first electric heating wires (3) are distributed up and down, and the inner wall of the first cylinder (9) is closely attached to the outer wall of the first piston (8).

3. A feeding structure for plastic mold processing according to claim 1, wherein the second heating wire (11) is spirally distributed under the spiral extrusion rod (10), and the threads on the spiral extrusion rod (10) are equidistantly distributed.

4. A feeding structure for plastic mold processing according to claim 1, characterized in that a crank-link mechanism is formed among the ring (18), the third link (19) and the third piston (20), and the outer side of the third piston (20) is attached to the inner wall of the smooth pipe (21).

5. A feeding structure for plastic mold processing according to claim 1, wherein the inner wall of the second cylinder (13) is tightly connected with the outer wall of the second piston (14), and the caliber of the nozzle (12) is 1 cm.

6. A feeding structure for plastic mold processing according to claim 1, wherein the shredding knives (2) are distributed in four groups in parallel, and the center of the circular ring (18) is on the central axis of the third piston (20).