CN217916524U

CN217916524U - Injection mold is used in production of plastics gear

Info

Publication number: CN217916524U
Application number: CN202221594206.8U
Authority: CN
Inventors: 王家强; 万照乾; 邢恩亭
Original assignee: Qingdao Haiqiao Electronic Technology Co ltd
Current assignee: Qingdao Haiqiao Electronic Technology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-11-29
Anticipated expiration: 2032-06-24

Abstract

The utility model relates to an injection moulding mould technical field, concretely relates to injection mould is used in plastics gear production, comprising a base plate, the upper end of bottom plate all fixedly connected with spliced pole all around, the quantity of spliced pole is four, four the equal fixedly connected with roof in upper end of spliced pole, the upper end fixedly connected with feeder hopper of roof, the middle part of roof and the one end that is close to the feeder hopper are provided with the second feed port, the upper end fixedly connected with fire fighting equipment of bottom plate, the beneficial effects of the utility model are that: with two stable fixes of mould together, then add the plastic water to the middle part of two moulds to make things convenient for gear mold's shaping, and the gear is at the refrigerated in-process, and the vibration exciter of lower extreme can work and produce the vibration, thereby makes liquid even, plays the effect of subducing bubble and air, and the radiator unit of both sides also can accelerate the cooling of mould, increases the production efficiency of gear.

Description

Injection mold is used in production of plastics gear

Technical Field

The utility model relates to an injection moulding mould technical field, concretely relates to injection mould is used in plastics gear production.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.

When the existing injection mold is used for molding, molten plastic is poured into the mold for cooling and molding, when the molten plastic enters the mold, air and bubbles can exist in the molten plastic, and certain adhesion effect can be generated between the molded plastic and the mold, so that the molding speed and quality of the plastic can be influenced.

Therefore, it is necessary to design an injection mold for producing plastic gears.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an injection mold is used in production of plastics gear, through fire fighting equipment to solve present current injection mold when carrying out the shaping, will be poured into the mould by the molten plastics and cool off the shaping, when molten plastics gets into the mould, air and bubble can exist in the inside of molten plastics, and the plastics after the shaping also can produce certain adhesion effect between the mould, thereby can influence plastic molding's speed and quality scheduling problem.

In order to achieve the above object, the present invention provides the following technical solutions: an injection mold for producing plastic gears comprises a bottom plate, wherein connecting columns are fixedly connected to the periphery of the upper end of the bottom plate, the number of the connecting columns is four, the upper ends of the four connecting columns are fixedly connected with a top plate, the upper end of the top plate is fixedly connected with a feed hopper, a second feed hole is formed in the middle of the top plate and one end, close to the feed hopper, of the top plate, and a defoaming device is fixedly connected to the upper end of the bottom plate;

the defoaming device comprises a defoaming assembly and a clamping assembly, wherein two supporting blocks are fixedly connected to two sides of the upper end of the bottom plate, two supporting blocks are arranged, two fan boxes are fixedly connected to the upper end of each supporting block, two cooling fans are arranged in the middle of each fan box, two cooling fans are arranged in the middle of each cooling fan box, the defoaming assembly is fixedly connected to the upper end of the bottom plate, and the clamping assembly is arranged at the lower end of the top plate.

Preferably, the defoaming subassembly includes the support column, the quantity of support column is four, four the even fixed connection of support column is around the upper end of bottom plate, four the equal fixedly connected with buffer spring in upper end of support column, buffer spring's quantity is four, four buffer spring's upper end fixedly connected with bed die.

Preferably, the equal fixedly connected with guide post in upper end both sides of bed die, the quantity of guide post is two, the upper end sliding connection of bed die has last mould, the lower extreme both sides of going up the mould all are provided with the guide way, the quantity of guide way is two, two the one end sliding connection of guide post is at the middle part of two guide ways.

Preferably, the equal fixedly connected with heavy object piece in both sides of going up the mould, the quantity of heavy object piece is two, the even fixedly connected with limiting plate in both sides of going up the mould, the quantity of limiting plate is four, the lower extreme fixedly connected with of bed die protects the box, the middle part fixedly connected with vibration exciter of protection box, the equal fixedly connected with second pneumatic cylinder in lower extreme both sides of bed die, the quantity of second pneumatic cylinder is two.

Preferably, two equal sliding connection of one end of second pneumatic cylinder has the second hydraulic cylinder, the quantity of second hydraulic cylinder is two, two the one end fixedly connected with slide of second hydraulic cylinder, slide sliding connection is at the middle part of bed die, the upper end of going up the mould is provided with first feed port, the second feed port sets up the top at first feed port.

Preferably, the clamping assembly comprises four first hydraulic cylinders, the number of the first hydraulic cylinders is four, the first hydraulic cylinders are fixedly connected to the middle of the periphery of the lower end of the top plate, one ends of the four first hydraulic cylinders are connected with four first hydraulic columns in a sliding mode, and the number of the first hydraulic columns is four.

Preferably, four equal fixedly connected with connecting plates in one end of first hydraulic column, the quantity of connecting plate is two, two the lower extreme both sides of connecting plate all are provided with trapezoidal spout, the quantity of trapezoidal spout is four, four equal sliding connection in middle part of trapezoidal spout has trapezoidal slider, the quantity of trapezoidal slider is four.

Preferably, four the equal fixedly connected with splint of lateral wall of trapezoidal slider, the quantity of splint is four, two the equal fixedly connected with third pneumatic cylinder of inner wall of splint, the quantity of third pneumatic cylinder is two, two the equal fixedly connected with third hydraulic cylinder of inner wall of splint, the quantity of third hydraulic cylinder is two, two the equal sliding connection of third hydraulic cylinder is in the one end of two third pneumatic cylinders.

The utility model has the advantages that: fix together two stable moulds, then add the plastic water to the middle part of two moulds, thereby make things convenient for gear mold's shaping, and the gear is at the refrigerated in-process, the vibration exciter of lower extreme can work and produce the vibration, thereby make liquid even, play the effect of subducing bubble and air, and the cooling of mould also can be accelerated to the radiator unit of both sides, increase the production efficiency of gear, overall structure is simple, and convenient operation saves a large amount of loaded down with trivial details steps, thereby improve the production efficiency of gear.

Drawings

Fig. 1 is a front view of an injection mold for producing a plastic gear according to the present invention;

FIG. 2 is a sectional view of an injection mold for producing plastic gears according to the present invention;

FIG. 3 is a top view of an upper mold of the injection mold for producing plastic gears according to the present invention;

FIG. 4 is a schematic view of a clamping assembly of an injection mold for producing plastic gears according to the present invention;

in the figure: 1. a top plate; 2. a first hydraulic column; 3. a connecting plate; 4. a limiting plate; 5. a buffer spring; 6. a lower die; 7. a second hydraulic cylinder; 8. an upper die; 9. a support pillar; 10. a heavy material block; 11. a support block; 12. a splint; 13. connecting columns; 14. a third hydraulic column; 15. a protective box; 16. a feed hopper; 17. a third hydraulic cylinder; 18. a trapezoidal chute; 19. a guide post; 20. a slide plate; 21. a first feed port; 22. a vibration exciter; 23. a second hydraulic cylinder; 24. a heat-dissipating fan; 25. a fan case; 26. a guide groove; 27. a trapezoidal slider; 28. a first hydraulic cylinder; 29. a second feed port; 30. a base plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to the attached drawings 1-4, the utility model provides an injection mold for plastic gear production, including bottom plate 30, bottom plate 30 can play the effect of supporting and fixing, be made by the metal, even fixedly connected with spliced pole 13 all around the upper end of bottom plate 30, spliced pole 13 can play the effect of connecting and fixing, be made by the metal, the quantity of spliced pole 13 is four, the upper end of four spliced poles 13 all fixedly connected with roof 1, roof 1 can play the effect of connecting and fixing, be made by the metal, the upper end fixedly connected with feeder hopper 16 of roof 1, feeder hopper 16 makes things convenient for the entering of plastics water, be made by the metal, the middle part of roof 1 and the one end that is close to feeder hopper 16 are provided with second feed port 29, the entering of plastics water is made convenient to second feed port 29, the upper end fixedly connected with fire fighting equipment of bottom plate 30, fire fighting equipment includes fire fighting equipment and clamping component, the two sides of the upper end of the bottom plate 30 are fixedly connected with the supporting blocks 11, the supporting blocks 11 can play supporting and fixing roles and are made of metal, the number of the supporting blocks 11 is two, the upper ends of the two supporting blocks 11 are fixedly connected with the fan boxes 25, the fan boxes 25 can play a protecting role and are made of metal, the number of the fan boxes 25 is two, the middle parts of the two fan boxes 25 are respectively provided with a radiating fan 24, when the radiating fan 24 works, blades push air to flow in the same direction as a shaft, so that the radiating and cooling effects are achieved, the number of the radiating fans 24 is two, the defoaming component is fixedly connected to the upper end of the bottom plate 30, the clamping component is arranged at the lower end of the top plate 1 and comprises supporting columns 9, the supporting columns 9 can play supporting and fixing roles and are made of metal, and the number of the supporting columns 9 is four, four supporting columns 9 are uniformly and fixedly connected around the upper end of a bottom plate 30, the upper ends of the four supporting columns 9 are fixedly connected with buffer springs 5, the buffer springs 5 can play a role in buffering and are made of metal, the number of the buffer springs 5 is four, the upper ends of the four buffer springs 5 are fixedly connected with lower dies 6, the lower dies 6 facilitate molding of gear plastics and are made of metal, both sides of the upper ends of the lower dies 6 are fixedly connected with guide columns 19, the guide columns 19 can play a role in connection and guidance and are made of metal, the number of the guide columns 19 is two, the upper ends of the lower dies 6 are slidably connected with upper dies 8, the upper dies 8 facilitate molding of gear plastics and are made of metal, both sides of the lower ends of the upper dies 8 are provided with guide grooves 26, the guide grooves 26 facilitate sliding of the guide columns 19, the number of the guide grooves 26 is two, one ends of the two guide columns 19 are slidably connected in the middle of the two guide grooves 26, both sides of the upper dies 8 are fixedly connected with weight blocks 10, the weight blocks 10 can play a role in connection with a vibration exciter, the middle of the vibration exciter 4 and the vibration protection box is connected with a limiting plate 15, the vibration protection device is formed by using a limiting plate 22, or the vibration testing instrument and the sensor are calibrated, the vibration exciter 22 can also be used as an exciting part to form a vibrating machine, the vibration exciter 22 can generate unidirectional or multidirectional, simple harmonic or non-simple harmonic exciting force, the two sides of the lower end of the lower die 6 are fixedly connected with the second hydraulic cylinders 7, the second hydraulic cylinders 7 use oil as a working medium to transmit motion through the change of a sealed volume, power is transmitted through the pressure in the oil to enable the second hydraulic cylinders 23 to slide up and down, the number of the second hydraulic cylinders 7 is two, one ends of the two second hydraulic cylinders 7 are both connected with the second hydraulic cylinders 23 in a sliding way, the second hydraulic cylinders 23 can play a role in sliding and connection and are made of metal, the number of the second hydraulic cylinders 23 is two, one ends of the two second hydraulic cylinders 23 are fixedly connected with the sliding plates 20, the sliding plates 20 can play a role in sliding and supporting and are made of metal, the sliding plate 20 is connected in the middle of the lower die 6 in a sliding manner, the upper end of the upper die 8 is provided with a first feed hole 21, the first feed hole 21 facilitates the entering of plastic water, a second feed hole 29 is arranged above the first feed hole 21, the clamping assembly comprises first hydraulic cylinders 28, the first hydraulic cylinders 28 use oil as a working medium, the movement is transmitted through the change of a sealed volume, the power is transmitted through the pressure in the oil, so that the first hydraulic columns 2 slide up and down, the number of the first hydraulic cylinders 28 is four, the four first hydraulic cylinders 28 are fixedly connected to the middle part of the periphery of the lower end of the top plate 1, one ends of the four first hydraulic cylinders 28 are all connected with the first hydraulic columns 2 in a sliding manner, the first hydraulic columns 2 can play a role in sliding and connection and are made of metal, the number of the first hydraulic columns 2 is four, one ends of the four first hydraulic columns 2 are all fixedly connected with connecting plates 3, the connecting plates 3 can play a role in connection and fixation, the connecting plates are made of metal, the number of the connecting plates 3 is two, trapezoidal sliding grooves 18 are formed in two sides of the lower ends of the two connecting plates 3, the trapezoidal sliding grooves 18 facilitate sliding of trapezoidal sliding blocks 27, the number of the trapezoidal sliding grooves 18 is four, trapezoidal sliding blocks 27 are connected to the middles of the four trapezoidal sliding grooves 18 in a sliding mode, the trapezoidal sliding blocks 27 can play a role in sliding and connection, the trapezoidal sliding blocks 27 are made of metal, the number of the trapezoidal sliding blocks 27 is four, clamping plates 12 are fixedly connected to the side walls of the four trapezoidal sliding blocks 27, the clamping plates 12 can play a role in sliding and clamping, the connecting plates 12 are made of metal, the number of the clamping plates 12 is four, third hydraulic cylinders 17 are fixedly connected to the inner walls of the two clamping plates 12, oil serves as a working medium and transmits movement through change of sealing volume, power is transmitted through pressure inside the oil, the third hydraulic cylinders 14 slide up and down, the number of the third hydraulic cylinders 17 is two, the inner walls of the two clamping plates 12 are fixedly connected to third hydraulic cylinders 14, the third hydraulic cylinders 14 can play a role in sliding and the sliding and are connected to one ends of the third hydraulic cylinders 14;

the utility model discloses a use as follows: the skilled person firstly makes the two third hydraulic cylinders 17 work to drive the third hydraulic columns 14 to slide left and right, so that the two clamping plates 12 slide to the two sides of the upper mold 8, then the two clamping plates 12 are arranged below the limiting plate 4, the third hydraulic columns 14 slide to the middle, the two clamping plates 12 are arranged on the two sides of the limiting plate 4 to clamp, then the first hydraulic cylinder 28 works to drive the first hydraulic columns 2 to slide up and down, the upper mold 8 is lifted, the mold therein is taken out, the upper mold 8 is put above the lower mold 6 by the same principle, and the guide posts 19 on the two sides of the upper end of the lower mold 6 can play a role of guiding, so as to facilitate the sliding of the guide grooves 26, effectively prevent the inclination of the upper mold 8, then the two clamping plates 12 are loosened to clamp the upper mold 8, the upper mold 8 can be tightly attached above the lower mold 6 due to the gravity action of the two weight blocks 10, plastic water is guided into the middle of the second feeding hole 29 through the feeding hopper 16 and enters the first feeding hole 21, then enters between two molds for molding, the cooling fans 24 on the two sides work simultaneously and rotate to accelerate the flow of air, so that the molds can be cooled rapidly, the vibration exciter 22 can work and generate vibration, then the two molds are driven to vibrate, so that the plastic water can vibrate together and the air bubbles in the plastic water are discharged, the molding of the air bubbles is reduced, the buffer spring 5 at the lower end of the molds can play a role in buffering, the molds are prevented from being damaged, after the molds are molded, the upper mold 8 slides upwards, the second hydraulic cylinder 7 works to drive the second hydraulic column 23 to slide upwards, so that the sliding plate 20 slides in the middle of the lower mold 6, and the molded gear plastic is taken out, convenient and fast, increase production.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides an injection mold is used in production of plastics gear, includes bottom plate (30), equal fixedly connected with spliced pole (13) all around in the upper end of bottom plate (30), the quantity of spliced pole (13) is four, four the equal fixedly connected with roof (1) in upper end of spliced pole (13), the upper end fixedly connected with feeder hopper (16) of roof (1), the middle part of roof (1) and the one end that is close to feeder hopper (16) are provided with second feed port (29), its characterized in that: the upper end of the bottom plate (30) is fixedly connected with a defoaming device;

the defoaming device comprises a defoaming assembly and a clamping assembly, wherein supporting blocks (11) are fixedly connected to two sides of the upper end of the bottom plate (30), the number of the supporting blocks (11) is two, two fan boxes (25) are fixedly connected to the upper end of the supporting blocks (11), two fan boxes (25) are arranged, two heat dissipation fans (24) are arranged in the middle of each fan box (25), two heat dissipation fans (24) are arranged, the defoaming assembly is fixedly connected to the upper end of the bottom plate (30), and the clamping assembly is arranged at the lower end of the top plate (1).

2. The injection mold for producing plastic gears according to claim 1, characterized in that: defoaming subassembly includes support column (9), the quantity of support column (9) is four, four the even fixed connection of support column (9) is around the upper end of bottom plate (30), four the equal fixedly connected with buffer spring (5) in upper end of support column (9), the quantity of buffer spring (5) is four, four the upper end fixedly connected with bed die (6) of buffer spring (5).

3. The injection mold for producing the plastic gear according to claim 2, wherein: the equal fixedly connected with guide post (19) in upper end both sides of bed die (6), the quantity of guide post (19) is two, the upper end sliding connection of bed die (6) has last mould (8), the lower extreme both sides of going up mould (8) all are provided with guide way (26), the quantity of guide way (26) is two, two the middle part at two guide way (26) of one end sliding connection of guide post (19).

4. The injection mold for producing plastic gears according to claim 3, wherein: go up equal fixedly connected with heavy thing piece (10) in both sides of mould (8), the quantity of heavy thing piece (10) is two, the even fixedly connected with limiting plate (4) in both sides of going up mould (8), the quantity of limiting plate (4) is four, the lower extreme fixedly connected with of bed die (6) protects box (15), the middle part fixedly connected with vibration exciter (22) of protecting box (15), the equal fixedly connected with second pneumatic cylinder (7) in lower extreme both sides of bed die (6), the quantity of second pneumatic cylinder (7) is two.

5. The injection mold for producing plastic gears according to claim 4, wherein: two the equal sliding connection of one end of second hydraulic cylinder (7) has second hydraulic cylinder (23), the quantity of second hydraulic cylinder (23) is two, two the one end fixedly connected with slide (20) of second hydraulic cylinder (23), slide (20) sliding connection is in the middle part of bed die (6), the upper end of going up mould (8) is provided with first feed port (21), second feed port (29) set up the top at first feed port (21).

6. The injection mold for producing plastic gears according to claim 1, characterized in that: the clamping assembly comprises four first hydraulic cylinders (28), the number of the first hydraulic cylinders (28) is four, the first hydraulic cylinders (28) are fixedly connected to the periphery of the lower end of the top plate (1) in the middle, four, one end of each first hydraulic cylinder (28) is connected with a first hydraulic column (2) in a sliding mode, and the number of the first hydraulic columns (2) is four.

7. The injection mold for producing plastic gears according to claim 6, wherein: four the equal fixedly connected with connecting plate (3) of one end of first hydraulic column (2), the quantity of connecting plate (3) is two, two the lower extreme both sides of connecting plate (3) all are provided with trapezoidal spout (18), the quantity of trapezoidal spout (18) is four, four the equal sliding connection in middle part of trapezoidal spout (18) has trapezoidal slider (27), the quantity of trapezoidal slider (27) is four.

8. The injection mold for plastic gear production according to claim 7, wherein: four the equal fixedly connected with splint (12) of lateral wall of trapezoidal slider (27), the quantity of splint (12) is four, two the equal fixedly connected with third pneumatic cylinder (17) of inner wall of splint (12), the quantity of third pneumatic cylinder (17) is two, two the equal fixedly connected with third hydraulic cylinder (14) of inner wall of splint (12), the quantity of third hydraulic cylinder (14) is two, two the equal sliding connection in one end of two third pneumatic cylinders (17) of third hydraulic cylinder (14).