CN113442369A

CN113442369A - Continuous injection molding system and injection molding process for electronic component shell

Info

Publication number: CN113442369A
Application number: CN202110771712.3A
Authority: CN
Inventors: 吕超
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-09-28

Abstract

The invention belongs to the technical field of model injection molding, in particular to a continuous injection molding system and an injection molding process for an electronic component shell, and provides a scheme which comprises a workbench, wherein the top of the workbench is rotationally connected with a turntable, a rotating assembly for rotating the turntable is arranged in the workbench, a plurality of lower molds are annularly and equidistantly distributed on the inner wall of the bottom of the turntable, the tops of the lower molds are respectively provided with an upper mold, the tops of the upper molds are respectively provided with a communicated first rack, and the tops of the upper molds are respectively provided with a communicated exhaust pipe. Further increase the service time of the cooling liquid and reduce the waste of resources.

Description

Continuous injection molding system and injection molding process for electronic component shell

Technical Field

The invention relates to the technical field of model injection molding, in particular to a continuous injection molding system and an injection molding process for an electronic component shell.

Background

The electronic components are components of electronic elements and small-sized electric machines and instruments, are usually composed of a plurality of parts and can be commonly used in similar products; it is a general name of some parts in the industries of electric appliances, radio, instruments and the like, such as capacitors, transistors, hairsprings, springs and other sub-devices, and diodes and the like are common. The electronic component includes: the electronic device comprises a resistor, a capacitor, a potentiometer, an electronic tube, a radiator, an electromechanical element, a connector, a semiconductor discrete device, an electroacoustic device, a laser device, an electronic display device, a photoelectric device, a sensor, a power supply, a switch, a micro-special motor, an electronic transformer, a relay, a printed circuit board, an integrated circuit, various circuits, piezoelectricity, crystals, quartz, a ceramic magnetic material, a substrate for a printed circuit, an electronic function process special material, an electronic adhesive product, an electronic chemical material, a component and the like.

However, when the existing electronic component shell is used for injection molding, a worker needs to operate a plurality of driving mechanisms to operate together, so that the injection molding can be carried out, a large amount of energy needs to be consumed in the injection molding mode for driving the plurality of driving mechanisms to operate, the injection molding cost is improved, the labor intensity of the worker is increased, the injection molding efficiency is low, in addition, the mold is generally cooled in a water cooling mode after the injection molding is finished, the cooling mode is serious in water resource waste, and the production requirements of modernization, high efficiency, energy conservation and low cost cannot be met.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a continuous injection molding system and an injection molding process for a shell of an electronic component, which have the advantages of compact structure, energy consumption reduction, labor intensity reduction of workers and capability of maximizing a water cooling effect so as to reduce waste of water resources.

In order to achieve the purpose, the invention adopts the following technical scheme:

a continuous injection molding system for an electronic component shell comprises a workbench, wherein the top of the workbench is rotatably connected with a turntable, a rotating assembly used for rotating the turntable is arranged in the workbench, a plurality of lower molds are annularly distributed on the inner wall of the bottom of the turntable, the tops of the lower molds are provided with upper molds, the tops of the upper molds are provided with communicated exhaust pipes, the bottoms of the exhaust pipes extend to the bottom of the turntable, a lifting assembly used for lifting the lower molds and the upper molds is arranged in the workbench, one side of the workbench is fixedly connected with a support plate, one side of the support plate is fixedly connected with an injection molding bin, an injection molding assembly used for injection molding and rotating is arranged in the injection molding bin, a braking assembly used for braking the turntable is arranged in the support plate, and the bottom of the turntable is provided with a communicated water outlet, the water outlet is connected with a stop valve.

According to the invention, the rotating assembly comprises a rotating shaft which is rotatably connected to the inner wall of the bottom of the workbench, the top of the rotating shaft penetrates through the workbench and is fixedly connected with the bottom of the turntable, a worm wheel is fixedly sleeved on the outer wall of the rotating shaft, the inner wall of the bottom of the workbench is fixedly connected with a driving motor, an output shaft of the driving motor is fixedly connected with a worm, the worm is meshed with the worm wheel, and one side of the workbench is fixedly connected with a control panel.

According to the invention, the lifting assembly comprises a hydraulic cylinder fixedly connected to the inner wall of the bottom of the workbench, the inner walls of two sides of the workbench are slidably connected with a lifting plate, the bottom of the lifting plate is rotatably connected with two symmetrical first rotating rods, the bottom ends of the two first rotating rods are slidably connected with the inner wall of the bottom of the workbench, one side, close to each other, of the two first rotating rods is rotatably connected with a second rotating rod, a piston rod of the hydraulic cylinder is fixedly connected with the second rotating rod, the top of the lifting plate is fixedly connected with a first sliding rod, the top of the top end of the first sliding rod penetrates through the workbench and is in sealed sliding connection with the workbench, the top of the lifting plate is fixedly connected with two symmetrical second sliding rods, and the top of the top end of the two second sliding rods penetrates through the workbench and is in sealed sliding connection with the workbench.

In the invention, the injection molding assembly comprises pressing plates which are slidably connected with the inner walls of two sides of an injection molding bin, the top of each pressing plate is fixedly connected with a connecting rod, the top end of each connecting rod is fixedly connected with a fixing plate, the top end of each connecting rod extends to the top of the injection molding bin and is slidably connected with the injection molding bin, the outer wall of each connecting rod is sleeved with a tension spring, the bottom end of each tension spring is fixedly connected with the top of the injection molding bin, the top end of each tension spring is fixedly connected with the bottom of the fixing plate, two symmetrical air holes are arranged on two sides of the injection molding bin, two symmetrical connecting plates are fixedly connected with the bottom of each pressing plate, the bottom ends of the two connecting plates extend to the bottom of the injection molding bin and are in sealing and sliding connection with the injection molding bin, one sides of the two injection molding bins, which are close to each other, are fixedly connected with two symmetrical bases, two all rotate in the base and be connected with first gear, first gear and second rack mesh mutually, and are a plurality of the equal first rack of fixedly connected with in both sides of going up the mould, it is a plurality of first rack all with bed die sliding connection, the one side in the storehouse of moulding plastics is equipped with the level gauge that is linked together, the bottom in the storehouse of moulding plastics is equipped with the rifle of moulding plastics that is linked together, the both sides inner wall sliding connection who moulds plastics the rifle has the piston, be equipped with first spout in the piston, the first spring of bottom inner wall fixedly connected with of first spout, sliding connection has the slide bar in the first spout, the bottom of slide bar and the top fixed connection of first spring, the both sides inner wall fixedly connected with diaphragm of the rifle of moulding plastics, the bottom of diaphragm and the top fixed connection of slide bar.

According to the invention, the brake assembly comprises a second chute arranged on one side of the support plate, clamping blocks are connected to the inner wall of the top and the inner wall of the bottom of the second chute in a sliding manner, a second spring is fixedly connected to the inner wall of one side of the second chute, which is far away from the turntable, one end, which is close to the turntable, of the second spring is fixedly connected with the clamping blocks, a plurality of clamping grooves are annularly and equidistantly distributed in the turntable, and one end, which is far away from the second spring, of the clamping block extends into the clamping grooves.

According to the invention, the air filter screens are fixedly connected in the two air holes, so that dust in the air can be prevented from entering the injection molding bin through the air holes to influence the quality of raw materials.

According to the invention, the outer wall of the pressure plate is fixedly sleeved with the first sealing ring, and the sealing performance of the pressure plate and the injection molding bin can be improved through the first sealing ring.

According to the invention, a plurality of second sealing rings are annularly and equidistantly distributed on the inner wall of the bottom of the rotary table, the second sealing rings correspond to the lower die, a feeding hole is formed in one side of the injection molding bin, the sealing performance of the lower die, the first rack and the rotary table can be improved through the second sealing rings, and when the lower die and the first rack descend, cooling liquid in the rotary table can be prevented from flowing out from a gap between the workbench and the rotary table.

According to the injection molding device, one side of the support plate is rotatably connected with a third rotating rod, a second gear and a first bevel gear are fixedly sleeved on the outer wall of the third rotating rod, a toothed ring is fixedly sleeved on the outer wall of the rotating disc and meshed with the second gear, a support plate is fixedly connected to the bottom of the injection molding bin, a rotating shaft is rotatably connected in the support plate, a second bevel gear is fixedly sleeved on the outer wall of the rotating shaft and meshed with the first bevel gear, and a plurality of fan blades are annularly and equidistantly distributed on the outer wall of the rotating shaft.

An injection molding process of a continuous injection molding system for electronic component shells comprises the following steps:

s1, a driving motor is started to drive a worm to rotate, the worm is meshed with a worm wheel, the worm wheel drives a rotating shaft and a rotating disc to rotate along with the rotation of the worm, when the rotating disc rotates, a clamping block slides towards a support plate, a second spring starts to compress, the clamping block is separated from a clamping groove, along with the rotation of the rotating disc, after the clamping block is aligned with the next clamping groove, the clamping block is clamped into the clamping groove again under the action of the second spring to brake the rotating disc, and an upper mold is just positioned under an injection molding gun;

s2, starting a hydraulic cylinder, driving a piston rod of the hydraulic cylinder to push a second rotating rod to move towards the rotating shaft direction, driving a first rotating rod to start rotating, further pushing a lifting plate, a first sliding rod and a second sliding rod upwards, when the first sliding rod moves upwards, the first sliding rod is in sealed sliding connection with the bottom of a rotating disc, the first sliding rod pushes a lower die and an upper die upwards, an injection connecting pipe extends into an injection gun along with the ascending of the lower die and the upper die, and pushes a piston upwards, a first spring starts to compress, a gap is generated between the piston and the injection gun, so that raw materials in an injection bin can enter the lower die and the upper die through the injection gun, air in the lower die and the upper die is discharged into the rotating disc through an exhaust pipe, and after heat energy of cooling liquid in the rotating disc is taken away, the cooling liquid in the turntable is prevented from being too high in temperature, and the use time of the cooling liquid is prolonged;

s3, when the lower die and the upper die ascend, the upper die is meshed with the first gear, the upper die drives the first gear to rotate, the first gear is meshed with the second rack, the first gear drives the connecting plate, the second rack and the pressing plate to move downwards along with the rotation of the first gear, the pressing plate is located above the air holes, the pressing plate discharges air in the injection molding bin through the air holes while descending, the pressing plate increases the pressure in the injection molding bin along with the continuous descending of the pressing plate, raw materials in the injection molding bin are discharged into the lower die and the upper die, and the injection molding efficiency is improved;

s4, when the injection molding is carried out, the lifting plate also pushes the second sliding rod to move upwards, the second sliding rod is connected with the inner wall of the bottom of the rotary table in a sealing and sliding mode, the second sliding rod pushes the first rack and the upper die upwards, the upper die is opened, and the cooled product can be conveniently taken out of the lower die;

s5, after injection molding and material taking are finished, a piston rod of a hydraulic cylinder pulls a second rotating rod to move reversely, a lifting plate drives a first sliding rod and the second sliding rod to move downwards, a lower die and an upper die are reset, then a driving motor is started, the driving motor drives a rotating disc and a toothed ring to rotate, the toothed ring is meshed with a second gear, a first bevel gear is meshed with a second bevel gear, therefore, the rotating disc can drive fan blades to rotate simultaneously while rotating, wind generated by rotation of the fan blades blows to the rotating disc, cooling liquid in the rotating disc can be cooled, the temperature of the cooling liquid in the rotating disc is prevented from being too high, and the use time of the cooling liquid is prolonged

The invention has the following advantages:

1. the injection molding, cooling and material taking of the lower mold and the upper mold can be completed through the mutual matching of the hydraulic cylinder and the driving motor, and the energy consumption is reduced.

2. When lower mould and last mould rise and mould plastics, the raw materials passes through the blast pipe with the air in lower mould and the last mould and discharges into the carousel in the coolant liquid, can be to the coolant liquid cooling, prevent that coolant liquid temperature is too high to increase the time that the coolant liquid used.

3. When the lower die and the upper die ascend to carry out injection molding, the upper die descends through the first gear, the connecting plate and the second gear, the pressure in the injection molding bin is increased through the pressure plate, raw materials in the injection molding bin are discharged into the lower die and the upper die, and the injection molding efficiency is increased.

4. When driving motor drives the carousel through pivot, worm wheel and worm and rotates, when the mould was located the rifle of moulding plastics under, the fixture block received the elastic action of second spring and can block into the draw-in groove, brakies the carousel, prevents to mould plastics the connecting pipe and stagger with the rifle of moulding plastics.

5. An air filter screen is arranged in the air holes, so that dust in the air is prevented from entering the injection molding bin through the air holes to influence the quality of raw materials.

6. The fan blades can be driven to rotate by the second gear, the gear ring, the first bevel gear and the second bevel gear while the rotating disc rotates, and then cooling liquid in the rotating disc can be cooled through rotation of the fan blades.

The injection molding and cooling device is simple in structure and convenient to operate, injection molding and cooling can be completed by using a small number of driving mechanisms, workers do not need to operate a plurality of driving mechanisms simultaneously, labor intensity of the workers is reduced, energy consumption is reduced, cooling liquid can be cooled while injection molding is performed, the service time of the cooling liquid is further prolonged, and waste of resources is reduced.

Drawings

Fig. 1 is a front sectional view of a continuous injection molding system for electronic component housings according to the present invention;

FIG. 2 is a side cross-sectional view of a continuous injection molding system for electronic component housings according to the present invention;

FIG. 3 is an enlarged view of the continuous injection molding system for the housing of the electronic component according to the present invention at position A;

FIG. 4 is a rear sectional view of a worktable of a continuous injection molding system for electronic component housings according to the present invention;

FIG. 5 is a top cross-sectional view of a platen of a continuous injection molding system for electronic component housings in accordance with the present invention;

FIG. 6 is a diagram of the engagement between the worm wheel and the worm of the continuous injection molding system for the electronic component housing according to the present invention;

FIG. 7 is a top view of a turntable of a continuous injection molding system for electronic component housings according to the present invention;

FIG. 8 is an enlarged view of the continuous injection molding system for the electronic component housing according to the present invention at B;

fig. 9 is a top cross-sectional view of an injection molding gun of a continuous injection molding system for electronic component housings according to the present invention;

FIG. 10 is a side cross-sectional view of an injection molding bin of a continuous injection molding system for electronic component housings according to the present invention;

fig. 11 is a bottom view of an injection molding bin of a continuous injection molding system for electronic component housings according to the present invention;

FIG. 12 is an enlarged view of the continuous injection molding system for electronic component housings at position C according to the present invention;

FIG. 13 is a cross-sectional view taken in the direction D-D of a continuous injection molding system for electronic component housings in accordance with the present invention;

fig. 14 is a side sectional view of a continuous injection molding system for electronic component housings according to a second embodiment;

fig. 15 is an enlarged view of example two at E.

In the figure: 1. a work table; 2. a turntable; 3. a rotating shaft; 4. a worm gear; 5. a drive motor; 6. A worm; 7. a lifting plate; 8. a first rotating lever; 9. a second rotating lever; 10. a hydraulic cylinder; 11. A first slide bar; 12. a second slide bar; 13. a lower die; 14. an upper die; 15. a first rack; 16. injection molding a connecting pipe; 17. a support plate; 18. an injection molding bin; 19. pressing a plate; 20. a connecting rod; 21. a tension spring; 22. a connecting plate; 23. a second rack; 24. a base; 25. a first gear; 26. an injection molding gun; 27. a piston; 28. a transverse plate; 29. a slide bar; 30. a first chute; 31. a first spring; 32. air holes are formed; 33. a second chute; 34. a second spring; 35. a clamping block; 36. a card slot; 37. a third rotating rod; 38. a second gear; 39. a first bevel gear; 40. A support plate; 41. a rotating shaft; 42. a second bevel gear; 43. a fan blade; 44. a toothed ring; 45. An air filter screen; 46. a first seal ring; 47. an exhaust pipe; 48. a water outlet; 49. a control panel; 50. a liquid level meter; 51. a second seal ring; 52. a fixing plate; 53. and (4) feeding a material inlet.

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.

Example one

Referring to fig. 1-13, a continuous injection molding system for electronic component housings comprises a workbench 1, a turntable 2 is rotatably connected to the top of the workbench 1, a rotating assembly for rotating the turntable 2 is arranged in the workbench 1, a plurality of lower molds 13 are annularly arranged on the inner wall of the bottom of the turntable 2, upper molds 14 are arranged on the tops of the lower molds 13, exhaust pipes 47 communicated with each other are arranged on the tops of the upper molds 14, the bottom ends of the exhaust pipes 47 extend to the bottom of the turntable 2, a lifting assembly for lifting the lower molds 13 and the upper molds 14 is arranged in the workbench 1, a support plate 17 is fixedly connected to one side of the workbench 1, an injection molding bin 18 is fixedly connected to one side of the support plate 17, an injection molding assembly for injection molding and rotating is arranged in the injection molding bin 18, a braking assembly for braking the turntable 2 is arranged in the support plate 17, a water outlet 48 communicated with the bottom of the turntable 2, a stop valve is connected to the drain port 48.

In the invention, the rotating assembly comprises a rotating shaft 3 which is rotatably connected to the inner wall of the bottom of the workbench 1, the top of the rotating shaft 3 penetrates through the workbench 1 and is fixedly connected with the bottom of the turntable 2, a worm wheel 4 is fixedly sleeved on the outer wall of the rotating shaft 3, the inner wall of the bottom of the workbench 1 is fixedly connected with a driving motor 5, an output shaft of the driving motor 5 is fixedly connected with a worm 6, the worm 6 is meshed with the worm wheel 4, and one side of the workbench 1 is fixedly connected with a control panel 49.

According to the invention, the lifting assembly comprises a hydraulic cylinder 10 fixedly connected to the inner wall of the bottom of the workbench 1, the inner walls of two sides of the workbench 1 are connected with a lifting plate 7 in a sliding manner, the bottom of the lifting plate 7 is connected with two symmetrical first rotating rods 8 in a rotating manner, the bottom ends of the two first rotating rods 8 are both connected with the inner wall of the bottom of the workbench 1 in a sliding manner, one sides of the two first rotating rods 8, which are close to each other, are connected with a second rotating rod 9 in a rotating manner, a piston rod of the hydraulic cylinder 10 is fixedly connected with the second rotating rod 9, the top of the lifting plate 7 is fixedly connected with a first sliding rod 11, the top of the top end of the first sliding rod 11 penetrates through the workbench 1 and is in sealed sliding connection with the workbench 1, the top of the lifting plate 7 is fixedly connected with two symmetrical second sliding rods 12, and the top of the top ends of the two second sliding rods 12 penetrates through the workbench 1 and is in sealed sliding connection with the workbench 1.

In the invention, the injection molding assembly comprises a pressure plate 19 which is connected with the inner walls of two sides of an injection molding bin 18 in a sliding way, the top of the pressure plate 19 is fixedly connected with a connecting rod 20, the top end of the connecting rod 20 is fixedly connected with a fixing plate 52, the top end of the connecting rod 20 extends to the top of the injection molding bin 18 and is connected with the injection molding bin 18 in a sliding way, the outer wall of the connecting rod 20 is sleeved with a tension spring 21, the bottom end of the tension spring 21 is fixedly connected with the top of the injection molding bin 18, the top end of the tension spring 21 is fixedly connected with the bottom of the fixing plate 52, two symmetrical air holes 32 are arranged on two sides of the injection molding bin 18, two symmetrical connecting plates 22 are fixedly connected with the bottom of the pressure plate 19, the bottom ends of the two connecting plates 22 extend to the bottom of the injection molding bin 18 and are connected with the injection molding bin 18 in a sealing and sliding way, one side, which is close to each other, of the two injection molding bins 18 is fixedly connected with two symmetrical bases 24, all rotate in two bases 24 and be connected with first gear 25, first gear 25 and the meshing of second rack 23 mutually, the equal fixedly connected with first rack 15 in both sides of a plurality of upper mold 14, a plurality of first rack 15 all with bed die 13 sliding connection, one side of the storehouse 18 of moulding plastics is equipped with level gauge 50 that is linked together, the bottom of the storehouse 18 of moulding plastics is equipped with the rifle 26 of moulding plastics that is linked together, the both sides inner wall sliding connection who moulds plastics rifle 26 has piston 27, be equipped with first spout 30 in the piston 27, the first spring 31 of the bottom inner wall fixedly connected with of first spout 30, sliding connection has slide bar 29 in the first spout 30, the bottom of slide bar 29 and the top fixed connection of first spring 31, the both sides inner wall fixedly connected with diaphragm 28 of the rifle 26 of moulding plastics, the bottom of diaphragm 28 and the top fixed connection of slide bar 29.

In the invention, the brake assembly comprises a second sliding groove 33 arranged on one side of the support plate 17, clamping blocks 35 are connected to the inner wall of the top and the inner wall of the bottom of the second sliding groove 33 in a sliding manner, a second spring 34 is fixedly connected to the inner wall of one side of the second sliding groove 33, which is far away from the turntable 2, one end of the second spring 34, which is close to the turntable 2, is fixedly connected with the clamping blocks 35, a plurality of clamping grooves 36 are annularly and equidistantly distributed in the turntable 2, and one end of the clamping blocks 35, which is far away from the second spring 34, extends into the clamping grooves 36.

In the invention, the air filter screens 45 are fixedly connected in the two air holes 32, and dust in the air can be prevented from entering the injection molding bin 18 through the air holes 32 through the air filter screens 45 to influence the quality of raw materials.

In the invention, the outer wall of the pressure plate 19 is fixedly sleeved with the first sealing ring 46, and the increased sealing performance of the pressure plate 19 and the injection molding bin 18 can be increased through the first sealing ring 46.

According to the invention, a plurality of second sealing rings 51 are annularly and equidistantly arranged on the inner wall of the bottom of the rotary disc 2, the second sealing rings 51 correspond to the lower die 13, a feeding hole 53 is formed in one side of the injection molding bin 18, the sealing performance of the lower die 13, the first rack 15 and the rotary disc 2 can be improved through the second sealing rings 51, and the cooling liquid in the rotary disc 2 can be prevented from flowing out from a gap between the workbench 1 and the rotary disc 2 when the lower die 13 and the first rack 15 descend.

s1, the driving motor 5 is started, the driving motor 5 drives the worm 6 to rotate, the worm 6 is meshed with the worm wheel 4, the worm wheel 4 drives the rotating shaft 3 and the rotating disc 2 to rotate along with the rotation of the worm 6, the fixture block 35 slides towards the support plate 17 when the rotating disc 2 rotates, the second spring 34 starts to compress, the fixture block 35 is separated from the clamping groove 36, and along with the rotation of the rotating disc 2, after the fixture block 35 is aligned with the next clamping groove 36, the fixture block 35 is clamped into the clamping groove 36 again under the action of the spring restoring force of the second spring 34 to brake the rotating disc 2, and the upper mold 14 is just positioned under the injection molding gun 26;

s2, injecting raw materials into the injection bin 18 through the feed inlet, then starting the hydraulic cylinder 10, the piston rod of the hydraulic cylinder 10 pushes the second rotating rod 9 to move towards the rotating shaft 3, driving the first rotating rod 8 to start rotating, and further pushing the lifting plate 7, the first sliding rod 11 and the second sliding rod 12 upwards, when the first sliding rod 11 moves upwards, the first sliding rod 11 is connected with the bottom of the rotating disc 2 in a sealing and sliding manner, the first sliding rod 11 pushes the lower die 13 and the upper die 14 upwards, along with the rising of the lower die 13 and the upper die 14, the injection connecting pipe 16 extends into the injection gun 26 and pushes the piston 27 upwards, the first spring 31 starts to compress, a gap is generated between the piston 27 and the injection gun 26, so that the raw materials in the injection bin 18 can enter the lower die 13 and the upper die 14 through the injection gun 26, and the raw materials in the injection bin 18 enter the lower die 13 and the upper die 14, air in the lower die 13 and the upper die 14 is exhausted into the rotary table 2 through the exhaust pipe 47, and after the heat energy of the cooling liquid in the rotary table 2 is taken away, the temperature of the cooling liquid in the rotary table 2 is prevented from being too high, and the using time of the cooling liquid is prolonged;

s3, when the lower mold 13 and the upper mold 14 ascend, the upper mold 14 is meshed with the first gear 25, the upper mold 14 drives the first gear 25 to rotate, the first gear 25 is meshed with the second rack 23, along with the rotation of the first gear 25, the first gear 25 drives the connecting plate 22, the second rack 23 and the pressing plate 19 to move downwards, the pressing plate 19 is located above the air holes 32, the raw materials are initially located below the air holes 32, the pressing plate 19 descends while discharging air in the injection molding bin 18 through the air holes 32, along with the continuous descending of the pressing plate 19, the pressing plate 19 increases the pressure in the injection molding bin 18, the raw materials in the injection molding bin 18 are discharged into the lower mold 13 and the upper mold 14, and the injection molding efficiency is increased;

s4, when injection molding is carried out, the lifting plate 7 also pushes the second sliding rod 12 to move upwards, the second sliding rod 12 is connected with the inner wall of the bottom of the rotary table 2 in a sealing and sliding mode, the second sliding rod 12 pushes the first rack 15 and the upper die 14 upwards, the upper die 14 is opened, and the cooled product can be conveniently taken out of the lower die 13;

s5, after injection molding and material taking are finished, a piston rod of the hydraulic cylinder 10 pulls the second rotating rod 9 to move reversely, the lifting plate 7 drives the first sliding rod 11 and the second sliding rod 12 to move downwards, the lower die 13 and the upper die 14 reset, then the driving motor 5 is started, the driving motor 5 drives the rotating disc 2 and the toothed ring 44 to rotate, the toothed ring 44 is meshed with the second gear 38, the first bevel gear 39 is meshed with the second bevel gear 42, therefore, the rotating disc 2 can drive the fan blades 43 to rotate simultaneously when rotating, wind generated by rotation of the fan blades 43 blows towards the rotating disc 2, cooling liquid in the rotating disc 2 can be cooled, the temperature of the cooling liquid in the rotating disc 2 is prevented from being too high, and the using time of the cooling liquid is prolonged.

Example two: as shown in fig. 14 to 15, the present embodiment differs from the first embodiment in a continuous injection molding system for electronic component housings: one side of the support plate 17 is rotatably connected with a third rotating rod 37, the outer wall of the third rotating rod 37 is fixedly sleeved with a second gear 38 and a first bevel gear 39, the outer wall of the rotary table 2 is fixedly sleeved with a toothed ring 44, the toothed ring 44 is meshed with the second gear 38, the bottom of the injection molding bin 18 is fixedly connected with a support plate 40, a rotating shaft 41 is rotatably connected in the support plate 40, the outer wall of the rotating shaft 41 is fixedly sleeved with a second bevel gear 42, the second bevel gear 42 is meshed with the first bevel gear 39, and a plurality of fan blades 43 are annularly and equidistantly arranged on the outer wall of the rotating shaft 41.

However, as is well known to those skilled in the art, the working principle and wiring method of the driving motor 5, the hydraulic cylinder 10 and the liquid level meter 50 are common and are conventional means or common knowledge, and will not be described herein, and those skilled in the art can make any selection according to their needs or convenience.

The working principle is as follows: firstly, a driving motor 5 is started to drive a worm 6 to rotate, the worm 6 is meshed with a worm wheel 4, the worm wheel 4 drives a rotating shaft 3 and a rotating disc 2 to rotate along with the rotation of the worm 6, when the rotating disc 2 rotates, a clamping block 35 slides towards a support plate 17, a second spring 34 starts to compress, the clamping block 35 is separated from a clamping groove 36, when the clamping block 35 is aligned with the next clamping groove 36 along with the rotation of the rotating disc 2, the clamping block 35 is clamped into the clamping groove 36 again under the action of the second spring 34 to brake the rotating disc 2, an upper die 14 is just positioned under an injection molding gun 26, secondly, a hydraulic cylinder 10 is started, a piston rod of the hydraulic cylinder 10 pushes a second rotating rod 9 to move towards the rotating shaft 3 to drive a first rotating rod 8 to rotate, and further can push a lifting plate 7, a first sliding rod 11 and a second sliding rod 12 upwards, and when the first sliding rod 11 moves upwards, the first sliding rod 11 is connected with the bottom of the rotary table 2 in a sealing and sliding manner, the first sliding rod 11 pushes the lower mold 13 and the upper mold 14 upwards, the injection connecting pipe 16 extends into the injection gun 26 along with the ascending of the lower mold 13 and the upper mold 14, the piston 27 is pushed upwards, the first spring 31 starts to compress, a gap is formed between the piston 27 and the injection gun 26, so that the raw material in the injection bin 18 can enter the lower mold 13 and the upper mold 14 through the injection gun 26, the air in the lower mold 13 and the upper mold 14 is discharged into the rotary table 2 through the exhaust pipe 47, after the heat energy of the cooling liquid in the rotary table 2 is taken away by the way, the temperature of the cooling liquid in the rotary table 2 is prevented from being too high, the time for using the cooling liquid is increased, the third step, the upper mold 14 is engaged with the first gear 25 while the lower mold 13 and the upper mold 14 ascend, the upper die 14 drives the first gear 25 to rotate, the first gear 25 is meshed with the second rack 23, the first gear 25 drives the connecting plate 22, the second rack 23 and the pressing plate 19 to move downwards along with the rotation of the first gear 25, the pressing plate 19 is located above the air holes 32, the pressing plate 19 discharges air in the injection molding bin 18 through the air holes 32 while descending, the pressing plate 19 increases the pressure in the injection molding bin 18 along with the continuous descending of the pressing plate 19, raw materials in the injection molding bin 18 are discharged into the lower die 13 and the upper die 14, the injection molding efficiency is increased, the fourth step is that the lifting plate 7 also pushes the second sliding rod 12 to move upwards while injection molding, the second sliding rod 12 is in sealed sliding connection with the inner wall of the bottom of the rotating disc 2, the first rack 15 and the upper die 14 are pushed upwards by the second sliding rod 12, the upper die 14 is opened, and cooled products can be conveniently taken out of the lower die 13, fifthly, after injection molding and material taking are finished, a piston rod of the hydraulic cylinder 10 pulls the second rotating rod 9 to move reversely, the lifting plate 7 drives the first sliding rod 11 and the second sliding rod 12 to move downwards, the lower die 13 and the upper die 14 reset, then the driving motor 5 is started, the driving motor 5 drives the rotating disc 2 and the toothed ring 44 to rotate, the toothed ring 44 is meshed with the second gear 38, the first bevel gear 39 is meshed with the second bevel gear 42, therefore, the rotating disc 2 can drive the fan blades 43 to rotate simultaneously when rotating, wind generated by rotation of the fan blades 43 blows towards the rotating disc 2, cooling liquid in the rotating disc 2 can be cooled, the temperature of the cooling liquid in the rotating disc 2 is prevented from being too high, and the using time of the cooling liquid is prolonged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The continuous injection molding system for the electronic component shell comprises a workbench (1) and is characterized in that the top of the workbench (1) is connected with a rotary table (2) in a rotating mode, a rotating assembly used for enabling the rotary table (2) to rotate is arranged in the workbench (1), a plurality of lower molds (13) are annularly arranged on the inner wall of the bottom of the rotary table (2), an upper mold (14) is arranged at the top of each lower mold (13), exhaust pipes (47) communicated with each other are arranged at the top of each upper mold (14), the bottom ends of the exhaust pipes (47) extend to the bottom of the rotary table (2), a lifting assembly used for enabling the lower molds (13) and the upper molds (14) to lift is arranged in the workbench (1), a support plate (17) is fixedly connected to one side of the workbench (1), and an injection molding bin (18) is fixedly connected to one side of the support plate (17), the injection molding machine is characterized in that an injection molding assembly used for injection molding rotation is arranged in the injection molding bin (18), a brake assembly used for braking the rotary table (2) is arranged in the support plate (17), a water outlet (48) communicated with the bottom of the rotary table (2) is arranged, and a stop valve is connected to the water outlet (48).

2. The continuous injection molding system for the shells of the electronic components as claimed in claim 1, wherein the rotating assembly comprises a rotating shaft (3) rotatably connected to the inner wall of the bottom of the workbench (1), the top of the rotating shaft (3) penetrates through the workbench (1) and is fixedly connected with the bottom of the turntable (2), a worm wheel (4) is fixedly sleeved on the outer wall of the rotating shaft (3), a driving motor (5) is fixedly connected to the inner wall of the bottom of the workbench (1), an output shaft of the driving motor (5) is fixedly connected with a worm (6), the worm (6) is meshed with the worm wheel (4), and a control panel (49) is fixedly connected to one side of the workbench (1).

3. The continuous injection molding system for the electronic component shell as claimed in claim 1, wherein the lifting assembly comprises a hydraulic cylinder (10) fixedly connected to the inner wall of the bottom of the workbench (1), the inner walls of the two sides of the workbench (1) are slidably connected with a lifting plate (7), the bottom of the lifting plate (7) is rotatably connected with two symmetrical first rotating rods (8), the bottom ends of the two first rotating rods (8) are slidably connected with the inner wall of the bottom of the workbench (1), one side of the two first rotating rods (8) close to each other is rotatably connected with a second rotating rod (9), the piston rod of the hydraulic cylinder (10) is fixedly connected with the second rotating rod (9), the top of the lifting plate (7) is fixedly connected with a first sliding rod (11), the top of the top end of the first sliding rod (11) penetrates through the workbench (1) and is hermetically and slidably connected with the workbench (1), the top of the lifting plate (7) is fixedly connected with two symmetrical second sliding rods (12), and the tops of the two second sliding rods (12) penetrate through the workbench (1) and are in sealed sliding connection with the workbench (1).

4. The continuous injection molding system for the electronic component shell as claimed in claim 1, wherein the injection molding assembly comprises a pressing plate (19) slidably connected to inner walls of two sides of the injection molding bin (18), a connecting rod (20) is fixedly connected to the top of the pressing plate (19), a fixing plate (52) is fixedly connected to the top end of the connecting rod (20), the top end of the connecting rod (20) extends to the top of the injection molding bin (18) and is slidably connected with the injection molding bin (18), a tension spring (21) is sleeved on the outer wall of the connecting rod (20), the bottom end of the tension spring (21) is fixedly connected to the top of the injection molding bin (18), the top end of the tension spring (21) is fixedly connected to the bottom of the fixing plate (52), two symmetrical air holes (32) are arranged on two sides of the injection molding bin (18), two symmetrical connecting plates (22) are fixedly connected to the bottom of the pressing plate (19), the bottom ends of the two connecting plates (22) extend to the bottom of the injection molding bin (18) and are in sealed sliding connection with the injection molding bin (18), the two injection molding bins (18) are fixedly connected with a second rack (23) on one side close to each other, the bottom of the injection molding bin (18) is fixedly connected with two symmetrical bases (24), the two bases (24) are internally and rotatably connected with a first gear (25), the first gear (25) is meshed with the second rack (23), the two sides of the upper mold (14) are fixedly connected with a first rack (15), the first racks (15) are slidably connected with the lower mold (13), one side of the injection molding bin (18) is provided with a communicated liquid level meter (50), the bottom of the injection molding bin (18) is provided with an injection molding gun (26), the inner walls of the two sides of the injection molding gun (26) are slidably connected with a piston (27), be equipped with first spout (30) in piston (27), the first spring (31) of bottom inner wall fixedly connected with of first spout (30), sliding connection has slide bar (29) in first spout (30), the bottom of slide bar (29) and the top fixed connection of first spring (31), the both sides inner wall fixedly connected with diaphragm (28) of rifle (26) of moulding plastics, the bottom of diaphragm (28) and the top fixed connection of slide bar (29).

5. The continuous injection molding system for the electronic component shell as claimed in claim 1, wherein the brake assembly comprises a second sliding groove (33) arranged on one side of the support plate (17), a clamping block (35) is connected to the inner wall of the top and the inner wall of the bottom of the second sliding groove (33) in a sliding manner, a second spring (34) is fixedly connected to the inner wall of one side of the second sliding groove (33) far away from the turntable (2), one end of the second spring (34) close to the turntable (2) is fixedly connected with the clamping block (35), a plurality of clamping grooves (36) are arranged in the turntable (2) in an annular and equidistant manner, and one end of the clamping block (35) far away from the second spring (34) extends into the clamping groove (36).

6. The continuous injection molding system for the electronic component shell as claimed in claim 4, wherein an air filter (45) is fixedly connected in each of the two air holes (32).

7. A continuous injection molding system for electronic component housings as claimed in claim 4, wherein the outer wall of the pressure plate (19) is fixedly sleeved with a first sealing ring (46).

8. The continuous injection molding system for the shells of the electronic components and parts as claimed in claim 1, wherein a plurality of second sealing rings (51) are annularly and equidistantly arranged on the inner wall of the bottom of the rotary table (2), the second sealing rings (51) correspond to the lower mold (13), and a feeding hole (53) is formed in one side of the injection molding bin (18).

9. The continuous injection molding system for the electronic component shell as claimed in claim 1, wherein a third rotating rod (37) is rotatably connected to one side of the support plate (17), a second gear (38) and a first bevel gear (39) are fixedly sleeved on the outer wall of the third rotating rod (37), a gear ring (44) is fixedly sleeved on the outer wall of the turntable (2), the gear ring (44) is meshed with the second gear (38), a support plate (40) is fixedly connected to the bottom of the injection molding bin (18), a rotating shaft (41) is rotatably connected to the support plate (40), a second bevel gear (42) is fixedly sleeved on the outer wall of the rotating shaft (41), the second bevel gear (42) is meshed with the first bevel gear (39), and a plurality of fan blades (43) are equidistantly arranged in the annular outer wall of the rotating shaft (41).

10. An injection molding process of a continuous injection molding system for electronic component housings according to any one of claims 1 to 9, characterized in that: it comprises the following steps:

s1, starting a driving motor (5), wherein the driving motor (5) drives a rotating shaft (3) and a rotating disc (2) to rotate, when the rotating disc (2) rotates, a clamping block (35) slides towards a support plate (17), a second spring (34) starts to compress, the clamping block (35) is separated from a clamping groove (36), along with the rotation of the rotating disc (2), after the clamping block (35) is aligned with the next clamping groove (36), the clamping block (35) is clamped into the clamping groove (36) again under the action of the second spring (34) to brake the rotating disc (2), and an upper mold (14) is just positioned under an injection molding gun (26);

s2, starting the hydraulic cylinder (10) to drive the first rotating rod (8) to rotate, further pushing the lifting plate (7), the first sliding rod (11) and the second sliding rod (12) upwards, the first sliding rod (11) pushing the lower die (13) and the upper die (14) upwards, the injection connecting pipe (16) extending into the injection gun (26) and pushing the piston (27) upwards along with the ascending of the lower die (13) and the upper die (14), the first spring (31) starting to compress, a gap is generated between the piston (27) and the injection gun (26), so that the raw material in the injection bin (18) can enter the lower die (13) and the upper die (14) through the injection gun (26), the air in the lower die (13) and the upper die (14) is discharged into the rotary disc (2) through the exhaust pipe (47), and the heat energy of the cooling liquid in the rotary disc (2) is taken away by the way, the cooling liquid in the turntable (2) is prevented from being too high in temperature, and the use time of the cooling liquid is prolonged;

s3, when the lower die (13) and the upper die (14) ascend, the upper die (14) is meshed with the first gear (25), the upper die (14) drives the first gear (25) to rotate, the first gear (25) is meshed with the second rack (23), along with the rotation of the first gear (25), the first gear (25) drives the connecting plate (22), the second rack (23) and the pressing plate (19) to move downwards, the pressing plate (19) is located above the air holes (32), the pressing plate (19) descends while exhausting air in the injection molding bin (18) through the air holes (32), along with the continuous descending of the pressing plate (19), the pressing plate (19) increases the pressure in the injection molding bin (18), and the raw materials in the injection molding bin (18) are exhausted into the lower die (13) and the upper die (14), so that the injection molding efficiency is increased;

s4, when injection molding is carried out, the lifting plate (7) also pushes the second sliding rod (12) to move upwards, the second sliding rod (12) is connected with the inner wall of the bottom of the rotary table (2) in a sealing and sliding mode, the first rack (15) and the upper die (14) are ejected upwards by the second sliding rod (12), the upper die (14) is opened, and a cooled product is conveniently taken out of the lower die (13);

s5, after injection molding and material taking are finished, a piston rod of a hydraulic cylinder (10) pulls a second rotating rod (9) to move reversely, a lower die (13) and an upper die (14) reset, then a driving motor (5) is started to drive fan blades (43) to rotate simultaneously when a turntable (2) rotates, and wind generated by rotation of the fan blades (43) blows towards the turntable (2), so that cooling liquid in the turntable (2) is cooled, the cooling liquid in the turntable (2) is prevented from being too high in temperature, and the using time of the cooling liquid is prolonged.