CN118003583A - Plastic product injection molding device and process - Google Patents
Plastic product injection molding device and process Download PDFInfo
- Publication number
- CN118003583A CN118003583A CN202410270737.9A CN202410270737A CN118003583A CN 118003583 A CN118003583 A CN 118003583A CN 202410270737 A CN202410270737 A CN 202410270737A CN 118003583 A CN118003583 A CN 118003583A
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- lower die
- water box
- injection molding
- pipe
- spring
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000001746 injection moulding Methods 0.000 title claims abstract description 27
- 239000004033 plastic Substances 0.000 title claims abstract description 26
- 229920003023 plastic Polymers 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000013016 damping Methods 0.000 claims abstract description 38
- 230000017525 heat dissipation Effects 0.000 claims abstract description 13
- 239000000428 dust Substances 0.000 claims abstract description 9
- 230000035939 shock Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 7
- 230000009977 dual effect Effects 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 229920001059 synthetic polymer Polymers 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a plastic product injection molding device and a plastic product injection molding process, which belong to the technical field of injection molding and comprise a water box and a lower die, wherein a damping plate is fixedly connected to the bottom of the lower die, a group of through holes are formed in the damping plate, shock absorbing pieces are arranged on the left side and the right side of the lower die, a frame-shaped box is arranged on the top of the lower die, a group of spray holes are formed in the inner wall of the frame-shaped box, and a supporting frame is connected to the inside of the lower die in a sliding manner. According to the invention, in the whole processing process, the functions of shock resistance, heat dissipation, demolding and dust removal are concentrated between the water box and the lower die, and the water box and the lower die have good integration level and consistency, so that the processing efficiency is effectively improved, the structure is simple and compact, the use cost is low, and the practicability is stronger.
Description
Technical Field
The invention relates to the technical field of injection molding, in particular to an injection molding device and an injection molding process for plastic products.
Background
The plastic products are generally called articles for life, industry and the like which are processed by adopting plastics as main raw materials, and comprise plastic injection molding, plastic suction and other products which are processed by adopting plastics as raw materials, wherein the plastics are synthetic polymer materials with plasticity, and the synthetic polymer materials, synthetic rubber and synthetic fiber form three synthetic materials which are indispensable for daily life, specifically, the plastics are materials which are formed by taking natural or synthetic resin as main components, adding various additives, and can be molded into a certain shape under certain temperature, pressure and other conditions, and keeping the shape unchanged at normal temperature.
The existing plastic product injection molding device is provided with additional equipment in the aspects of shock resistance, heat dissipation, demolding and the like in order to improve the working efficiency and ensure the molding effect, but has the following defects in the actual use process: in order to meet the requirements of multiple functions, excessive additional equipment is arranged on the outer side of the die, singleness exists in the using process, each function is distributed and operated, the integration level is general, the continuity is poor, and excessive electric elements are used, the structure is complex, the using cost is improved, the practicability is poor, and for this reason, the plastic product injection molding device is provided for solving the problems.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an injection molding device and an injection molding process for plastic products.
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a plastic products injection moulding device, includes water box and lower mould, the bottom fixedly connected with damping plate of lower mould, a set of through-hole has been seted up to the inside of damping plate, the left and right sides of lower mould all is provided with the shock attenuation piece, the top of lower mould is provided with the frame type box, a set of orifice has been seted up to the inner wall of frame type box, the inside sliding connection of lower mould has the support frame.
As a further description of the above technical solution:
The damping piece comprises a fixed pipe, a piston plate, a sliding rod and a first spring, wherein the bottom end of the sliding rod is fixedly connected to the top of the damping plate, the top end of the sliding rod penetrates into the fixed pipe and is fixedly connected with the bottom of the piston plate in a sliding manner, one side, far away from a lower die, of the fixed pipe is fixedly connected to the inner wall of the water box, the first spring is sleeved on the outer side of the piston plate, the top end of the first spring is fixedly connected to the bottom of the piston plate, and the bottom end of the first spring is fixedly connected with the inner bottom wall of the fixed pipe.
As a further description of the above technical solution:
The fixed pipe is respectively provided with an air inlet pipe and an air outlet hose which are communicated with the fixed pipe, the outer sides of the air inlet pipe and the air outlet hose are respectively provided with a one-way valve, one end of the air inlet pipe far away from the lower die penetrates into and is fixedly connected with the outer side of the water box, the inner side of the lower die is provided with a cavity, the fixed pipe is communicated with the cavity through an exhaust hose, and the inner bottom wall of the lower die is provided with an air guide hole communicated with the cavity.
As a further description of the above technical solution:
the left and right sides of lower mould all install the book pipe with cavity intercommunication, the top of book pipe penetrates and fixed connection to the inside of frame box, the solenoid valve is installed in the outside of book pipe.
As a further description of the above technical solution:
Two second springs are arranged between the bottom of the supporting frame and the inner bottom wall of the lower die, and the supporting frame is in close contact with the inner wall of the lower die.
As a further description of the above technical solution:
the water box is provided with a radiator, the heating end of the radiator is positioned at the outer side of the water box, and the right side of the water box is provided with a drain pipe communicated with the water box.
An injection molding process for plastic products, comprising the following steps:
S1, an electric push rod connected with an upper die is adopted to move downwards, so that the upper die and a lower die are driven to be clamped, then materials are injected into the lower die, the lower die is pushed into a water box in the clamping process, and after the materials are injected, a water source in the water box carries out heat dissipation treatment on the lower die;
s2, in the process of moving the lower die into the water box, the damping plate is in contact with a water source in advance and is matched with the through hole for damping treatment, and the damping effect is further improved by matching with the first spring, so that the lower die is pressed less in the die assembly process, the damage phenomenon is not easy to occur,
S3, after heat dissipation is completed, the electric push rod can drive the upper die to reset quickly, then the first spring pulls the damping plate to reset, so that the lower die is reset, in the resetting process, gas inside the fixed pipe is led into the cavity, and then is injected into the support frame along the gas guide hole, so that the support frame is ejected upwards, a workpiece and the inner wall of the lower die are not adhered any more, and demoulding operation is completed.
S4, after the supporting frame ejects the workpiece, the supporting frame and the workpiece are pulled to move downwards by the second spring, in the moving process, air in the cavity is used for carrying out air injection treatment on the outer side of the workpiece, dust removal and debris removal treatment are carried out while the temperature of the workpiece is reduced, and a subsequent user can directly take down the workpiece.
Compared with the prior art, the invention has the advantages that:
(1) The scheme adopts the low-temperature water source to carry out damping treatment in the die assembly process, reduces the occurrence of the phenomenon of excessive compression of the lower die, prolongs the service life of the die, can carry out rapid heat dissipation treatment after die assembly, improves the processing efficiency, and adopts the cooperation of the water source and the damping plate.
(2) This scheme can carry out initiative drawing of patterns processing after the work piece shaping, and can carry out jet-propelled processing to the work piece in the drawing of patterns process, reduces work piece temperature, and the user of being convenient for takes, reduces dust, piece adhesion phenomenon simultaneously, and the practicality is stronger.
(3) This scheme integrates shock attenuation, heat dissipation, drawing of patterns, dust removal, accomplishes the dual effect of heat dissipation and shock resistance at the compound die in-process, and at the dual processing of drawing of patterns and dust removal of dividing the mould in-process, reduces electrical equipment use amount, reduces user's amount of labour, makes the shaping operation more convenient, reduces processing cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic perspective view of a damping plate and a sliding rod according to the present invention;
FIG. 4 is a schematic cross-sectional view of the lower mold and cavity structure of the present invention.
The reference numerals in the figures illustrate:
1. A water box; 2. a lower die; 3. a damping plate; 4. a through hole; 5. a shock absorbing member; 51. a fixed tube; 52. a piston plate; 53. a slide bar; 54. a first spring; 6. a frame-type case; 7. a spray hole; 8. a support frame; 9. an air inlet pipe; 10. an exhaust hose; 11. a one-way valve; 12. a cavity; 13. an air guide hole; 14. folding the pipe; 15. an electromagnetic valve; 16. a second spring; 17. a heat sink.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention;
Embodiment one:
Referring to fig. 1-4, in the injection molding device for plastic products of the present invention, the injection molding device comprises a water box 1 and a lower die 2, wherein a damping plate 3 is fixedly connected to the bottom of the lower die 2, a set of through holes 4 are formed in the damping plate 3, shock absorbing members 5 are arranged on the left and right sides of the lower die 2, a frame-shaped box 6 is arranged on the top of the lower die 2, a set of spray holes 7 are formed in the inner wall of the frame-shaped box 6, and a supporting frame 8 is slidably connected to the inside of the lower die 2.
Please refer to fig. 1-3, wherein: the damping piece 5 comprises a fixed pipe 51, a piston plate 52, a sliding rod 53 and a first spring 54, wherein the bottom end of the sliding rod 53 is fixedly connected to the top of the damping plate 3, the top end of the sliding rod 53 penetrates into the fixed pipe 51 and is fixedly connected with the bottom of the piston plate 52, one side, far away from the lower die 2, of the fixed pipe 51 is fixedly connected to the inner wall of the water box 1, the first spring 54 is sleeved on the outer side of the piston plate 52, the top end of the first spring 54 is fixedly connected to the bottom of the piston plate 52, and the bottom end of the first spring 54 is fixedly connected with the inner bottom wall of the fixed pipe 51.
In the invention, an electric push rod connected with an upper die is adopted to move downwards so as to drive the upper die to be clamped with a lower die 2, then a material is injected into the lower die 2, in the clamping process, the lower die 2 is pushed into the water box 1, after the material is injected, a water source in the water box 1 carries out heat dissipation treatment on the lower die 2, in the process of moving the lower die 2 into the water box 1, a damping plate 3 is in contact with the water source in advance and is matched with a through hole 4 for damping treatment, in the moving process, the damping plate 3 drives a sliding rod 53 to move and is matched with a first spring 54 to further increase the damping effect, so that in the clamping process, the lower die 2 is pressed less, and in addition, after the lower die 2 is pressed in place, the water source exists at the top of the damping plate 3, the upward acting force of the lower die 2 is weakened, and the phenomenon that the lower die is excessively pressed and damaged is reduced.
Embodiment two:
Based on the above embodiments, please refer to fig. 1-2, wherein: the air inlet pipe 9 and the air outlet hose 10 which are communicated with the air inlet pipe 9 and the air outlet hose 10 are respectively arranged on the fixed pipe 51, the one end, far away from the lower die 2, of the air inlet pipe 9 penetrates into and is fixedly connected to the outer side of the water box 1, the cavity 12 is formed in the lower die 2, the fixed pipe 51 is communicated with the cavity 12 through the air outlet hose 10, and the air guide hole 13 communicated with the cavity 12 is formed in the inner bottom wall of the lower die 2.
Please refer to fig. 1-2, wherein: the left and right sides of lower mould 2 are all installed with the folding pipe 14 of cavity 12 intercommunication, and the top of folding pipe 14 penetrates and fixed connection to the inside of frame box 6, and solenoid valve 15 is installed to the outside of folding pipe 14.
In the invention, in the downward movement process of the damping plate 3, the piston plate 52 slides downwards in the fixed pipe 51, so that the one-way valve 11 on the air inlet pipe 9 is opened under pressure, external air is pumped into the fixed pipe 51, after the forming operation, the damping plate 3 is reset, the piston plate 52 extrudes the air in the fixed pipe 51, then the one-way valve 11 on the air exhaust hose 10 is opened under pressure, and the air is injected into the bottom of the support frame 8 along the air guide hole 13 on the cavity 12, so that the support frame 8 drives the workpiece to move upwards.
Please refer to fig. 1-2, wherein: two second springs 16 are arranged between the bottom of the support frame 8 and the inner bottom wall of the lower die 2, and the support frame 8 is in close contact with the inner wall of the lower die 2.
In the invention, after the supporting frame 8 is pushed and lifted by the air, namely after the workpiece is demolded, the second spring 16 pulls the supporting frame 8 to reset at the same time, the electromagnetic valve 15 can be started, so that the air is led into the frame-shaped box 6 along the folding pipe 14, and then is sprayed outwards along the spray hole 7, and the workpiece is in the falling process from top to bottom at the moment, so that the workpiece can be cooled, the workpiece is convenient for a user to take, and dust adhered to the outer side of the workpiece and residual injection molding scraps can be blown outwards.
Please refer to fig. 1-2, wherein: the water box 1 is provided with a radiator 17, the heating end of the radiator 17 is positioned at the outer side of the water box 1, and the right side of the water box 1 is provided with a drain pipe communicated with the water box.
According to the invention, the water source temperature is rapidly reduced by matching with the radiator 17, and in the movement process of the damping plate 3, the water source outside the radiator 17 can be driven to be mixed, so that the phenomenon of nonuniform water source temperature is reduced, the heat dissipation effect is ensured, a user can regularly discharge the water source along the drain pipe, and dust and injection molding scraps which accidentally drop inside the water box 1 are intensively discharged.
An injection molding process for plastic products, comprising the following steps:
S1, an electric push rod connected with an upper die is adopted to move downwards, so that the upper die and a lower die 2 are driven to be clamped, then materials are injected into the lower die 2, the lower die 2 is pushed into the water box 1 in the clamping process, and after the materials are injected, a water source in the water box 1 carries out heat dissipation treatment on the lower die 2;
S2, in the process that the lower die 2 moves towards the inside of the water box 1, the damping plate 3 is in contact with a water source in advance and is matched with the through hole 4 for damping treatment, and the damping effect is further improved by matching with the first spring 54, so that the lower die 2 is pressed less in the die assembly process, and the damage phenomenon is not easy to occur;
S3, after heat dissipation is completed, the electric push rod can drive the upper die to reset quickly, then the first spring 54 pulls the damping plate 3 to reset, so that the lower die 2 is reset, in the resetting process, gas in the fixed pipe 51 is led into the cavity 11, then the gas is injected into the support frame 8 along the gas guide hole 13, the support frame 8 is ejected upwards, a workpiece is not adhered to the inner wall of the lower die 2 any more, and demoulding operation is completed;
S4, after the supporting frame 8 ejects the workpiece, the supporting frame 8 and the workpiece are pulled to move downwards by the second spring 16, in the moving process, air in the cavity 11 is used for carrying out air injection treatment on the outer side of the workpiece, dust removal and debris removal treatment are carried out while the temperature of the workpiece is reduced, and a subsequent user can directly take down the workpiece.
The foregoing is a preferred embodiment of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (7)
1. The utility model provides a plastic products injection molding device, includes water box (1) and lower mould (2), its characterized in that: the bottom fixedly connected with damping plate (3) of lower mould (2), a set of through-hole (4) have been seted up to the inside of damping plate (3), the left and right sides of lower mould (2) all is provided with shock attenuation piece (5), the top of lower mould (2) is provided with frame type box (6), a set of orifice (7) have been seted up to the inner wall of frame type box (6), the inside sliding connection of lower mould (2) has support frame (8).
2. The plastic injection molding apparatus of claim 1, wherein: the damping piece (5) comprises a fixed pipe (51), a piston plate (52), a sliding rod (53) and a first spring (54), wherein the bottom end of the sliding rod (53) is fixedly connected to the top of the damping plate (3), the top end of the sliding rod (53) penetrates into the fixed pipe (51) and is fixedly connected with the bottom of the piston plate (52), one side, far away from the lower die (2), of the fixed pipe (51) is fixedly connected to the inner wall of the water box (1), the first spring (54) is sleeved on the outer side of the piston plate (52), the top end of the first spring (54) is fixedly connected to the bottom of the piston plate (52), and the bottom end of the first spring (54) is fixedly connected with the inner bottom wall of the fixed pipe (51).
3. The plastic injection molding apparatus of claim 2, wherein: the utility model discloses a water box, including fixed pipe (51), air inlet pipe (9) and exhaust hose (10) that are installed respectively rather than the intercommunication on fixed pipe (51), check valve (11) are all installed in the outside of air inlet pipe (9) and exhaust hose (10), the one end that lower mould (2) was kept away from to air inlet pipe (9) penetrates and fixed connection to the outside of water box (1), cavity (12) have been seted up to the inside of lower mould (2), fixed pipe (51) and cavity (12) are through exhaust hose (10) intercommunication, air vent (13) with cavity (12) intercommunication have been seted up to the interior bottom wall of lower mould (2).
4. The plastic injection molding apparatus of claim 1, wherein: the left side and the right side of lower mould (2) are all installed with the book pipe (14) of cavity (12) intercommunication, the top of book pipe (14) penetrates and fixed connection to the inside of frame box (6), solenoid valve (15) are installed in the outside of book pipe (14).
5. The plastic injection molding apparatus of claim 1, wherein: two second springs (16) are arranged between the bottom of the support frame (8) and the inner bottom wall of the lower die (2), and the support frame (8) is in close contact with the inner wall of the lower die (2).
6. The plastic injection molding apparatus of claim 1, wherein: the water box (1) is provided with a radiator (17), the heating end of the radiator (17) is positioned at the outer side of the water box (1), and the right side of the water box (1) is provided with a drain pipe communicated with the water box.
7. An injection molding process for plastic articles according to any one of claims 1-6, wherein: the method comprises the following steps:
S1, an electric push rod connected with an upper die is adopted to move downwards, so that the upper die and a lower die (2) are driven to be clamped, then materials are injected into the lower die (2), the lower die (2) is pushed into a water box (1) in the clamping process, and after the materials are injected, a water source in the water box (1) carries out heat dissipation treatment on the lower die (2);
S2, in the process that the lower die (2) moves towards the inside of the water box (1), the damping plate (3) is in contact with a water source in advance, is matched with the through hole (4) to perform damping treatment, and is matched with the first spring (54) to further increase the damping effect, so that the lower die (2) is less stressed and is not easy to damage in the die assembly process,
S3, after heat dissipation is completed, the electric push rod can drive the upper die to reset quickly, then the first spring (54) is used for resetting the damping plate (3) so as to reset the lower die (2), in the resetting process, gas inside the fixed pipe (51) is led into the cavity (11), and then is injected into the support frame (8) along the gas guide hole (13), so that the support frame (8) is ejected upwards, a workpiece and the inner wall of the lower die (2) are not adhered, and demoulding operation is completed.
S4, after the supporting frame (8) ejects the workpiece, the second spring (16) pulls the supporting frame (8) and the workpiece to move downwards, in the moving process, gas in the cavity (11) carries out air injection treatment on the outer side of the workpiece, dust and debris removal treatment is carried out while the temperature of the workpiece is reduced, and a subsequent user can directly take down the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410270737.9A CN118003583A (en) | 2024-03-11 | 2024-03-11 | Plastic product injection molding device and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410270737.9A CN118003583A (en) | 2024-03-11 | 2024-03-11 | Plastic product injection molding device and process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118003583A true CN118003583A (en) | 2024-05-10 |
Family
ID=90951966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410270737.9A Pending CN118003583A (en) | 2024-03-11 | 2024-03-11 | Plastic product injection molding device and process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118003583A (en) |
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2024
- 2024-03-11 CN CN202410270737.9A patent/CN118003583A/en active Pending
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