CN111605147A

CN111605147A - Prevent plastic mold of raw materials cutout

Info

Publication number: CN111605147A
Application number: CN202010515435.5A
Authority: CN
Inventors: 陈云
Original assignee: Henan Bondway Mechanical And Electrical Equipment Co ltd
Current assignee: Henan Bondway Mechanical And Electrical Equipment Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2020-09-01

Abstract

The invention discloses a plastic mold for preventing raw materials from being cut off, which relates to the field of plastic molds and comprises a base, a mold and an injection molding device, wherein a mold mounting seat is arranged on a worktable at the top of the base, the upper surface of the mold mounting seat is fixedly provided with a model, and one side of the worktable is provided with the injection molding device. According to the invention, the material shaking motor is controlled to work, the second crank disc arranged at the output shaft end of the material shaking motor is linked with the first crank disc arranged at the lower end of the rotating shaft through the connecting rod, so that the mould fixed on the mould mounting seat can rotate in a reciprocating manner within a certain +/-30-degree angle, the plastic filled in the mould is shaken uniformly, bubbles in the plastic can be shaken out easily, and the quality of a plastic product is ensured.

Description

Prevent plastic mold of raw materials cutout

Technical Field

The invention relates to the field of plastic molds, in particular to a plastic mold capable of preventing raw material from flowing out.

Background

In the processing and forming of some plastic products, plastic raw materials are required to be filled into a model through injection molding equipment for forming a finished product. In the traditional process of injecting glue into a plastic model, if the conditions of material breaking and flow breaking occur, defects are easily generated during the molding of the plastic product, and the quality is affected; after the plastic is injected into the plastic model, bubbles are easily mixed in the plastic, so that defects are generated after the plastic is molded.

Disclosure of Invention

The present invention is directed to a plastic mold for preventing material from flowing out, which solves the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a plastic mold capable of preventing raw materials from being cut off comprises a base, a mold and an injection molding device, wherein the top of the base is a workbench surface, the middle of the workbench surface is provided with a mold mounting seat, the bottom of the mold mounting seat is welded with a rotating shaft which is rotatably connected with the workbench surface, the upper surface of the mold mounting seat is fixedly provided with a model, the model comprises a bottom mold and a mold cover which are matched and matched, the bottom of the bottom mold is fixedly connected with the mold mounting seat through bolts, the upper end of the bottom mold is fixedly connected with the mold cover through bolts, one side of the workbench surface is provided with an injection molding device, the injection molding device comprises a guide cylinder fixed on one side of the workbench surface, the upper end of the guide cylinder is integrally formed with a storage cylinder, the upper port of the storage cylinder is provided with a feed hopper, the guide cylinder is internally provided with a guide shaft with coaxiality, the lower end of the guide, and a discharging interface is arranged on one side of the bottom of the guide cylinder, a feeding interface communicated with the inner molding cavity is arranged on the outer wall of one side of the bottom die, and the discharging interface is connected with the feeding interface through a guide hose.

Preferably, the inside drive chamber that is equipped with of base, the pivot lower extreme extends to the drive indoor portion, and the drive chamber bottom is fixed to be provided with and trembles the material motor, trembles the output shaft end fixedly connected with second bent dish of material motor, and the welding of second bent dish upper surface has the one end of eccentric pin and connecting rod to articulate mutually, the first bent dish of lower extreme fixedly connected with of pivot, and the welding of first bent dish lower surface has the other end of eccentric pin and connecting rod to articulate.

Preferably, the top of the die cover is provided with an exhaust hole, the exhaust hole is communicated with the top of the inner molding cavity inside the die, the rotating shaft) is provided with a ball bearing at the joint of the rotating shaft) and the working table, and a pressure bearing coaxial with the rotating shaft is arranged between the lower surface of the die mounting seat and the upper surface of the working table.

Preferably, the table surface is surrounded the pressure bearing rigid coupling has two rings of cylinders protruding, and the protruding diameter of inner circle cylinder is greater than the protruding diameter of outer lane cylinder, the protruding upper surface of cylinder is the hemisphere, the protruding top of cylinder all with die holder bottom frictional contact, the inner circle cylinder protruding with die holder bottom frictional force is less than the outer lane cylinder protruding with die holder bottom frictional force, the exhaust hole upside has sound wave collection device, sound wave collection device includes the different sound wave sensor of two response frequencies, sound wave collection device connects the treater, and whether the treater is inside to have the bubble of analysis plastic after gathering sound wave data.

Preferably, each circle of cylindrical protrusions can be two or three.

Preferably, the outer wall of the storage barrel is coiled with a heating coil, and the outside of the heating coil is wrapped with a heat insulation layer.

Preferably, the outer wall of the material guiding shaft is provided with material guiding blades in a spiral coil shape, and a distance of 0.5-1mm is reserved between the outer edges of the material guiding blades and the inner wall of the material guiding barrel.

The invention has the technical effects and advantages that:

1. when the plastic guide device works, plastic raw materials are guided into the storage barrel along the feed hopper, the heating coil pipe which is coiled outside the storage barrel is used for heating the plastic stored in the storage barrel to prevent the plastic from being condensed, the guide shaft is driven by the guide motor, so that the guide blades arranged on the outer wall of the guide shaft uniformly guide the plastic from the interior of the storage barrel, and the plastic is uniformly and fully guided into the mold;

2. according to the invention, the material shaking motor is controlled to work, the second crank disc arranged at the output shaft end of the material shaking motor is linked with the first crank disc arranged at the lower end of the rotating shaft through the connecting rod, so that the mould fixed on the mould mounting seat can rotate in a reciprocating manner within a certain +/-30-degree angle, the plastic filled in the mould is shaken uniformly, bubbles in the plastic can be shaken out easily, and the quality of a plastic product is ensured.

3. According to the invention, the cylindrical bulge in frictional contact with the die mounting seat is arranged on the working table, the cylindrical bulge and the die mounting seat generate sound waves due to friction in the rotating process of the die mounting seat, the cylindrical bulge on the inner ring generates low-frequency sound waves due to large contact surface, small contact pressure and slow relative rotation speed, the cylindrical bulge on the outer ring generates high-frequency sound waves, the sound waves are collected through the sound wave collecting device, whether bubbles exist in the die can be analyzed, the method is simple and effective, and the monitoring of the bubbles in the die in the processing process can be realized.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the present invention.

Fig. 2 is a front cross-sectional view of the structure of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a base; 101. a drive chamber; 2. a work table; 3. a die mounting seat; 301. a rotating shaft; 4. bottom die; 5. a mold cover; 501. an exhaust hole; 6. a material guide cylinder; 7. a storage cylinder; 8. a material guiding shaft; 9. a material guiding motor; 10. a feed hopper; 11. a material guiding hose; 12. a heating coil; 13. a heat insulation layer; 14. a first crank; 15. a connecting rod; 16. a material shaking motor; 17. a second crank; 18. a ball bearing; 19. and a pressure bearing.

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.

The invention provides a plastic mould for preventing raw material from being cut off, which comprises a base 1, a mould and an injection molding device, and is combined with a figure 2 and a figure 3, wherein the top of the base 1 is a working table surface 2, the middle part of the working table surface 2 is provided with a mould mounting seat 3, the bottom of the mould mounting seat 3 is welded with a rotating shaft 301 which is rotatably connected with the working table surface 2, the joint of the rotating shaft 301 and the working table surface 2 is provided with a ball bearing 18, a pressure bearing 19 which is coaxial with the rotating shaft 301 is arranged between the lower surface of the mould mounting seat 3 and the upper surface of the working table surface 2, and the pressure bearing 19 plays a role in supporting the mould mounting seat 3 and is convenient for the mould mounting seat 3 to rotate.

Referring to fig. 1 and 2, a mold is fixedly arranged on the upper surface of a mold mounting seat 3, the mold comprises a bottom mold 4 and a mold cover 5 which are matched and matched, the bottom of the bottom mold 4 is fixedly connected with the mold mounting seat 3 through bolts, the upper end of the bottom mold 4 is fixedly connected with the mold cover 5 through bolts, a driving chamber 101 is arranged in a base 1, the lower end of a rotating shaft 301 extends into the driving chamber 101, a material shaking motor 16 is fixedly arranged at the bottom of the driving chamber 101, a second crank 17 is fixedly connected with the output shaft end of the material shaking motor 16, an eccentric pin is welded on the upper surface of the second crank 17 and hinged with one end of a connecting rod 15, a first crank 14 is fixedly connected with the lower end of the rotating shaft 301, an eccentric pin is welded on the lower surface of the first crank 14 and hinged with the other end of the connecting rod 15, the material shaking motor 16 is controlled to work, the second crank 17 arranged at the output shaft end of the material shaking motor 16 is, can make the mould that fixes on the mould mount pad 3 carry out reciprocating rotation at certain 30 degrees angles within a definite time, shake even to the inside plastic of filling of mould, and be favorable to shaking out the inside bubble of plastic, guarantee plastic products's quality.

Referring to fig. 1 and fig. 2, an injection molding device is disposed on one side of a work table 2, the injection molding device includes a material guiding cylinder 6 fixed on one side of the work table 2, the upper end of the material guiding cylinder 6 is integrally formed with a material storing cylinder 7, a heating coil 12 is wound on the outer wall of the material storing cylinder 7 for heating plastic stored inside the material storing cylinder 7 to prevent coagulation, a heat insulating layer 13 is wrapped outside the heating coil 12 to increase heat insulating effect, a feed hopper 10 is disposed at the upper port of the material storing cylinder 7, a material guiding shaft 8 with coaxiality is disposed inside the material guiding cylinder 6, a material guiding blade in a spiral winding shape is disposed on the outer wall of the material guiding shaft 8, a space of 0.5-1mm is left between the outer edge of the material guiding blade and the inner wall of the material guiding cylinder 6, the lower end of the material guiding shaft 8 is connected with an output shaft of a material guiding motor 9, the material guiding, bottom one side of guide cylinder 6 is equipped with ejection of compact interface, one side outer wall of die block 4 is equipped with the feeding interface that is linked together with interior one-tenth die cavity, and be connected through guide hose 11 between ejection of compact interface and the feeding interface, drive guide axle 8 through guide motor 9, make the guide blade that guide axle 8 outer wall was established evenly lead from storage cylinder 7 inside and send the plastic, and with the even abundant leading-in to the mould inside of plastic, exhaust hole 501 has been seted up at the top of mould lid 5, and exhaust hole 501 is linked together with the inside one-tenth die cavity top of mould, fill the in-process of plastic toward mould inside, discharge the air in the one-tenth die cavity in the mould, be favorable to pouring into and the shaping of plastic.

It has two rings of cylinder archs to surround 19 rigid couplings of pressure bearing on table surface 2, the protruding diameter of inner circle cylinder is greater than the protruding diameter of outer lane cylinder, the protruding upper surface of cylinder is the hemisphere, protruding top of cylinder all with 3 bottom frictional contact of die holder, the protruding and 3 bottom frictional force of die holder of inner circle cylinder are less than the protruding and 3 bottom frictional force of die holder of outer lane cylinder, exhaust hole 501 upside has sound wave collection device, sound wave collection device includes the different sound wave sensor of two response frequencies, sound wave collection device connects the treater, whether the treater gathers inside bubble that exists of analysis plastic behind the sound wave data.

When the plastic guide device works, plastic raw materials are guided into the storage barrel 7 along the feed hopper 10, the heating coil 12 which is coiled outside the storage barrel 7 is used for heating the plastic stored in the storage barrel 7 to prevent the plastic from being condensed, and the guide shaft 8 is driven by the guide motor 9, so that the guide blades arranged on the outer wall of the guide shaft 8 uniformly guide and convey the plastic from the interior of the storage barrel 7, and the plastic is uniformly and fully guided into the mold; meanwhile, the material shaking motor 16 is controlled to work, the second crank disc 17 arranged at the output shaft end of the material shaking motor 16 is linked with the first crank disc 14 arranged at the lower end of the rotating shaft 301 through the connecting rod 15, so that the die fixed on the die mounting seat 3 can rotate in a reciprocating mode within a certain +/-30-degree angle, the filled plastic inside the die can be shaken uniformly, bubbles inside the plastic can be shaken out conveniently, and the quality of plastic products is guaranteed. In the process of rotating the die mounting seat, the cylindrical bulge and the die mounting seat rub to emit sound waves, the contact surface of the cylindrical bulge of the inner ring is large, the contact pressure is small, the relative rotating speed is slow, the cylindrical bulge of the inner ring emits low-frequency sound waves, the contact surface of the cylindrical bulge of the outer ring is small, the contact pressure is large, the relative rotating speed is high, the high-frequency sound waves are emitted quickly, the sound waves are collected by two sound wave sensors with different response frequencies in the sound wave collecting device, whether bubbles exist in the die or not can be analyzed through the processor for processing the sensing signals, the method is simple and effective, and the monitoring of the bubbles in the die can be realized in the processing process.

Finally, it should be noted that: 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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a prevent plastic mold of material cutout, includes base (1), mould and injection moulding device, its characterized in that: the top of base (1) is table surface (2), the middle part of table surface (2) is equipped with mould mount pad (3), the welding of mould mount pad (3) bottom has pivot (301) to rotate with table surface (2) and is connected, the last fixed surface of mould mount pad (3) is provided with the model, and the model is including die block (4) and the mould lid (5) that match the adaptation type, and bolt and mould mount pad (3) fixed connection are passed through to die block (4) bottom, and die block (4) upper end is connected fixedly through bolt and mould lid (5), one side of table surface (2) is equipped with injection moulding device, and injection moulding device is including fixing guide cylinder (6) in table surface (2) one side, the upper end integrated into one piece and storage cylinder (7) of storage cylinder (6), and the last port of storage cylinder (7) is equipped with feeder hopper (10), the inside guide shaft (8) that is equipped with the axiality of guide cylinder (6), the lower end of the material guide shaft (8) is connected with an output shaft of a material guide motor (9), the material guide motor (9) is fixedly arranged on the lower surface of an extending part of the working table top (2), a material discharging interface is arranged on one side of the bottom of the material guide cylinder (6), a material feeding interface communicated with an inner forming cavity is arranged on the outer wall of one side of the bottom die (4), the material discharging interface is connected with the material feeding interface through a material guide hose (11), a driving chamber (101) is arranged inside the base (1), the lower end of the rotating shaft (301) extends into the driving chamber (101), a material shaking motor (16) is fixedly arranged at the bottom of the driving chamber (101), a second curved disc (17) is fixedly connected with the output shaft end of the material shaking motor (16), an eccentric pin is hinged with one end of a connecting rod (15) on the upper surface of the second curved disc (17), a first curved disc (14) is fixedly connected, and the welding of first bent dish (14) lower surface has eccentric pin and other end articulated of connecting rod (15), exhaust hole (501) have been seted up at the top of mould lid (5), and exhaust hole (501) are linked together with the inside interior molding cavity top of mould, pivot (301) are equipped with ball bearing (18) with the junction of table surface (2), be equipped with between the lower surface of mould mount pad (3) and the upper surface of table surface (2) with pressure bearing (19) of pivot (301) axiality, surround on table surface (2) pressure bearing (19) rigid coupling has two circles of cylinder archs, the protruding diameter of inner circle cylinder is greater than the protruding diameter of outer lane cylinder, the protruding upper surface of cylinder is the hemisphere, the protruding top of cylinder all with mould mount pad (3) bottom friction contact, the inner circle cylinder protruding with mould mount pad (3) bottom friction is less than the outer lane cylinder protruding with mould mount pad (3) bottom friction is rubbed The plastic rubber is characterized in that a sound wave collecting device is arranged on the upper side of the exhaust hole (501), the sound wave collecting device comprises two sound wave sensors with different response frequencies, the sound wave collecting device is connected with a processor, and the processor analyzes whether bubbles exist in the plastic rubber or not after sound wave data are collected.

2. A material flow-out preventing plastic mold according to claim 1, wherein: the outer wall of the storage barrel (7) is coiled with a heating coil (12), and the outside of the heating coil (12) is wrapped with a heat insulation layer (13).

3. A material flow-out preventing plastic mold according to claim 1, wherein: the outer wall of the material guide shaft (8) is provided with material guide blades in a spiral coil shape, and a distance of 0.5-1mm is reserved between the outer edges of the material guide blades and the inner wall of the material guide cylinder (6).