CN115847730B - Efficient injection molding device for automobile plastic parts and injection molding process thereof - Google Patents
Efficient injection molding device for automobile plastic parts and injection molding process thereof Download PDFInfo
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- CN115847730B CN115847730B CN202211524226.2A CN202211524226A CN115847730B CN 115847730 B CN115847730 B CN 115847730B CN 202211524226 A CN202211524226 A CN 202211524226A CN 115847730 B CN115847730 B CN 115847730B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention discloses a high-efficiency injection molding device for automobile plastic accessories and an injection molding process thereof, which belong to the technical field of injection molding.
Description
Technical Field
The invention relates to the technical field of injection molding, in particular to a high-efficiency injection molding device and an injection molding process of an automobile plastic part.
Background
The injection molding process is to heat the raw materials of the plastic to a liquid state, inject the raw materials into the corresponding molding die through an injection molding machine, and form the shape of a die cavity after the raw materials are cooled and solidified, so that the plastic is molded at one time, and the injection molding process has the characteristics of being capable of rapidly processing products with complex appearance, accurate size or embedded parts, and high production efficiency.
When carrying out injection molding to auto plastic accessory, pour into corresponding mould inside cooling shaping after heating liquefaction with the raw materials, owing to the existence of the injection molding mouth of intercommunication injection molding machine on the mould, mould surface can have a unnecessary arch after cooling shaping, the plastics of the inside cooling solidification of injection molding mouth promptly need the manual work to get rid of the arch after injection molding, waste time and energy for auto plastic accessory's injection molding technology effect is not enough.
Based on the above, the invention designs a high-efficiency injection molding device and an injection molding process of an automobile plastic part, so as to solve the problems.
Disclosure of Invention
The invention aims to provide a high-efficiency injection molding device and an injection molding process for automobile plastic accessories, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a high-efficient injection molding device of automotive plastic accessory, includes the bed die, the shaping die cavity has been seted up to bed die one end, bed die one end fixedly connected with second cooling tube, be provided with the adventitia frame on the bed die, the inside sliding connection of adventitia frame has interior mould, adventitia frame one end fixedly connected with first cooling tube, the mouth of moulding plastics has been seted up to the bed die bottom, the shaping board that the bed die bottom fixedly connected with corresponds with the shaping cavity, be provided with the clearance on the bed die and push away the material subassembly, the clearance pushes away the unnecessary anticipated excision of material mouth and auxiliary assembly follow mould inside drawing of patterns of moulding plastics after the material subassembly is used for injection molding.
As a further scheme of the invention, the cleaning pushing component comprises a swinging rod, the swinging rod is arranged at one end of a lower die, one end of the swinging rod is fixedly connected with a rotating rod, one end of the rotating rod is connected with the lower die in a rotating way, a groove is formed in the swinging rod, two ends of the groove are respectively connected with a limiting block in a rotating way, the limiting blocks can only rotate below the horizontal direction in the groove, a torsion spring for resetting the limiting blocks is sleeved on the lower die, a fixed gear is fixedly connected onto the swinging rod, a threaded rod is rotatably arranged in the lower die, one end of the threaded rod penetrates through the lower die and is fixedly connected with a transmission gear meshed with the fixed gear, a sliding plate is slidably arranged in the lower die, one end of the threaded rod is spirally inserted into the sliding plate, one end of the sliding plate is fixedly connected with a cutter head, the top of the sliding plate is fixedly connected with a protruding block, a butt joint opening corresponding to the injection joint opening is formed in the sliding block, one side of the sliding block is provided with a sliding block, the sliding block is horizontally arranged in the sliding block, two side walls of the sliding block are horizontally arranged in the sliding block, and the sliding block are horizontally arranged in the sliding block and are respectively matched with a top plate, and the two side plates are respectively arranged in the sliding block and are matched with the top plate and are respectively.
As a further scheme of the invention, the pushing component comprises a top block, the top block is arranged in the top plate in a sliding manner, the bottom end of the top block is parallel to the plane where the bottom end of the top plate is located, a third spring is fixedly connected in the top plate, the bottom end of the third spring is in sliding connection with the top block, a connecting shaft is fixedly connected to the third spring, a triangular groove is formed in one side of the top plate, one end of the connecting shaft penetrates through the triangular groove and is parallel to the plane where the side face of the top plate is located, a fixed block is slidably arranged at one end of the connecting shaft, a fourth spring for resetting the fixed block is arranged in the connecting shaft, two sealing blocks are fixedly connected to one side of the bottom of the top plate respectively, two sliding ways corresponding to the sealing blocks are formed in the lower die, the fixed block can slide in the sliding way, an inclined plate is fixedly connected to the sliding way, and the side face of the inclined plate can be attached to the side face of the fixed block.
As a further scheme of the invention, one end of the outer film frame is fixedly connected with a hooked swing rod, and the bottom of the swing rod can pass through the swing rod to be in butt joint with the swing rod.
As a further scheme of the invention, one ends of the inner die and the outer film frame are fixedly connected with pneumatic pumps together, and the pneumatic pumps are respectively in butt joint with the inner die and the outer film frame through two groups of output ends which are independently controlled and output.
As a further scheme of the invention, two sides of the forming plate are fixedly connected with a clamping plate respectively, and a slot which can be in butt joint with the clamping plate is formed in the forming cavity.
As a further scheme of the invention, the inner walls of the triangular grooves are smooth walls, and the corners of the triangular grooves are rounded.
An efficient injection molding process for automotive plastic parts, comprising the steps of:
step one: two moulds are respectively arranged on an injection molding machine to be closed, and molten plastics are pushed into the moulds through the injection molding machine;
step two: opening the cooled mold, cleaning a pushing component in the opening process, cutting off redundant residual materials at an injection port, discharging the residual materials from the injection port, and simultaneously ejecting a mold from the interior of the mold to assist in demolding;
step three: taking out the model from the inside of the mold after the mold is opened, and checking whether an injection port is cleaned up or not to avoid residual materials;
step four: and closing the mould, and repeating the steps to carry out injection molding.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the cleaning pushing assembly is adopted, after the injection molding processing, cooling and molding are carried out, the closed mold is opened, the cleaning pushing assembly is started to cut off the redundant residual materials at the injection molding opening, and then the residual materials are discharged from the injection molding opening, so that the redundant residual materials on the mold are automatically removed, the residual materials do not need to be manually removed again after the mold is taken out, meanwhile, the cleaning pushing assembly pushes the mold from the interior of the mold to assist in demolding, the mold is prevented from solidifying and adhering to the interior of the molding cavity in the cooling process, and the molding effect of the mold is better.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention (bottom view);
FIG. 3 is a schematic view of a cleaning pushing assembly (lower mold cross-sectional view);
FIG. 4 is a schematic view of a cleaning pushing assembly (lower mold interior view);
FIG. 5 is an enlarged schematic view of the structure of FIG. 4A;
FIG. 6 is a schematic view of a partial cross-sectional structure of the inside of the lower mold;
FIG. 7 is an enlarged schematic view of the structure of FIG. 6B;
fig. 8 is a process flow diagram of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a pneumatic pump; 2. an inner mold; 3. an outer film frame; 4. a first cooling tube; 5. a lower die; 6. a molding cavity; 7. a second cooling tube; 8. forming a plate; 9. a clamping plate; 10. a connecting rod; 11. swing rod; 12. an injection molding port; 13. a first spring; 14. a top plate; 15. a slide block; 16. a second spring; 17. a cutter head; 18. a bump; 19. a sliding plate; 20. a sliding block; 21. a threaded rod; 22. a transmission gear; 23. a fixed gear; 24. a limiting block; 25. a rotating rod; 26. a torsion spring; 27. an interface; 28. a sealing block; 29. a top block; 30. a third spring; 31. a connecting shaft; 32. a fourth spring; 33. a fixed block; 34. and a sloping plate.
Detailed Description
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a high-efficient injection molding device of automotive plastic accessory, includes bed die 5, shaping chamber 6 has been seted up to bed die 5 one end, bed die 5 one end fixedly connected with second cooling tube 7, be provided with outer membrane frame 3 on the bed die 5, the inside sliding connection of outer membrane frame 3 has interior mould 2, outer membrane frame 3 one end fixedly connected with first cooling tube 4, injection molding mouth 12 has been seted up to bed die 5 bottom, bed die 5 bottom fixedly connected with and shaping board 8 that corresponds with shaping chamber 6, be provided with the clearance pushing component on bed die 5, the clearance pushing component is used for with the unnecessary anticipated excision of injection molding mouth 12 and auxiliary accessory follow mould inside drawing of patterns after the injection molding;
according to the scheme, when the mold is put into practical use, the two molds are respectively installed on the injection molding machine to be closed, molten plastics are pushed into the molds through the injection molding opening 12 by the injection molding machine, after the cooling water system cools the molds through the first cooling pipe 4 and the second cooling pipe 7, the cooled molds are opened, the cleaning pushing component is started in the opening process to cut off redundant residual materials at the injection molding opening 12 and then discharge the residual materials from the injection molding opening 12, the redundant residual materials on the molds are automatically removed, the residual materials do not need to be manually removed again after the molds are taken out, meanwhile, the cleaning pushing component is pushed against the mold to assist demolding from the interior of the molds, mold solidification and internal adhesion of the molding cavity 6 are prevented in the cooling process, the molding effect of the molds is better, the cleaning pushing component is automatically reset after the molds are completely opened, the molds in the molds are taken out, whether the injection molding opening 12 is completely cleaned, and the mold assembly can be continuously closed for injection molding.
As a further scheme of the invention, the cleaning pushing component comprises a swinging rod 11, the swinging rod 11 is arranged at one end of a lower die 5, one end of the swinging rod 11 is fixedly connected with a rotating rod 25, one end of the rotating rod 25 is rotatably connected with the lower die 5, a slot is formed in the swinging rod 11, two ends of the slot are respectively rotatably connected with a limiting block 24, one end of an outer film frame 3 is fixedly connected with a hooked connecting rod 10, the bottom of the connecting rod 10 can pass through the swinging rod 11 to be butted with the swinging rod 11, the limiting block 24 can only rotate below the horizontal direction in the slot, a torsion spring 26 for resetting the torsion spring is sleeved on the lower die 5, a fixed gear 23 is fixedly connected to the swinging rod 11, a threaded rod 21 is rotatably arranged in the lower die 5, one end of the threaded rod 21 passes through the lower die 5 and is fixedly connected with a transmission gear 22 meshed with the fixed gear 23, a sliding plate 19 is slidably arranged in the lower die 5, one end of the threaded rod 21 is spirally inserted into the sliding plate 19, one end of the sliding plate 19 is fixedly connected with a cutter bit 17, the top of the sliding plate 19 is fixedly connected with a lug 18, two sliding blocks 5 are vertically connected with two sliding blocks 20, two sliding blocks 20 are respectively connected with two sliding blocks 20 are arranged in the sliding blocks 14 and are respectively, two sliding blocks are respectively connected with two side plates 14 and are respectively arranged in the sliding blocks 14 and are respectively, two side plates 14 are respectively connected with a sliding block 14 and a sliding plate 14 and a sliding assembly is fixedly connected with a sliding plate 14, two side plate 14 and a sliding assembly is fixedly connected with a sliding plate 14 and a sliding plate 14, the pushing assembly is used for knocking the model when the model is taken out of the die, so that the model is further prevented from being adhered to the die;
when the mold is opened after injection molding is finished and the mold is taken out, the outer film frame 3 is firstly slid to one side by the pneumatic pump 1 to be opened, the outer film frame 3 slides together by the connecting rod 10 in the sliding process, and the bottom of the connecting rod 10 cannot pass through the limiting block 24 due to the limiting effect of the limiting block 24, so that the connecting rod 10 can drive the swinging rod 11 to rotate and enable the torsion spring 26 to twist, the swinging rod 11 drives the fixed gear 23 to rotate, the fixed gear 23 drives the transmission gear 22 meshed with one side to rotate, the transmission gear 22 drives the threaded rod 21 to rotate, the sliding plate 19 slides along with the rotation of the threaded rod 21, the sliding plate 19 slides to enable the cutter bit 17 on one side to push the sliding block 20 to slide upwards, and the cutter bit 17 gradually contacts with the residual materials in the sliding block 20 until the cutter bit 17 completely passes through the sliding block 20, and the cutter bit 17 cuts off the residual materials in the butt joint port 27 from the mold, and then the cutting of the residual materials is finished;
then the outer film frame 3 stops sliding, at this moment, drive the interior mould 2 under the effect of pneumatic pump 1, outer film frame 3 synchronous slip, this moment pendulum rod 11 continues to rotate and make sliding plate 19 continue to slide in the interior of lower mould 5, make tool bit 17 top move slider 15 together slide, slider 15 can drive roof 14 and slide in vertical direction at the in-process that slides, namely follow shaping chamber 6 inside top moves the model slip, the top through roof 14 moves auxiliary model and the breaking away from of shaping chamber 6, avoid appearing the problem of model adhesion, and at this moment, lug 18 slides to the position that contacts with slider 20 and pushes away slider 20 continuously and rise, until sliding plate 19 slides to the lug 18 top and is located the inside to interface 27, at this moment, slider 20 can reset a distance under the elastic force effect of second spring 16, will be to interface 27 internal cutting off the clout through lug 18, when lug 18 is ejecting clout, at this moment, also promote roof 14 in shaping chamber 6 inside slide to the maximum distance, at this moment, the outer film frame 3 is kept away from by roof 14 top to move auxiliary model, the problem of model adhesion, the connecting rod 10 can break away from the top to the top, the top of the connecting rod can be separated from the top of the position with the slider 11 and make the reset plate 11 under the elastic force of lug 11 and make the reset spring 16 reset spring 13 rotate, can be accomplished by the reset spring 17, the reset step can be accomplished to reset, the reset plate is realized by the reset spring is reset, the reset step is accomplished to the reset, the reset spring is finished by the reset spring is reset to the reset, and the step of the side is finished by the reset spring was 13.
As a further scheme of the invention, the pushing assembly comprises a top block 29, the top block 29 is slidably arranged in the top plate 14, the bottom end of the top block 29 is parallel to the plane where the bottom end of the top plate 14 is located, a third spring 30 is fixedly connected in the top plate 14, the bottom end of the third spring 30 is slidably connected with the top block 29, a connecting shaft 31 is fixedly connected to the third spring 30, a triangular groove is formed in one side of the top plate 14, one end of the connecting shaft 31 passes through the triangular groove and is parallel to the plane where the side surface of the top plate 14 is located, a fixing block 33 is slidably arranged at one end of the connecting shaft 31, a fourth spring 32 for resetting the fixing block 33 is arranged in the connecting shaft 31, two sealing blocks 28 are fixedly connected to one side of the bottom of the top plate 14 respectively, two slide ways corresponding to the sealing blocks 28 are formed in the lower die 5, the fixing block 33 can slide in the slide ways, a sloping plate 34 is fixedly connected to the inside the slide ways, and the side surface of the sloping plate 34 can be attached to the side surface of the fixing block 33;
when the slide block 15 pushes the top plate 14 to slide, the connecting shaft 31 cannot slide along with the top plate 14 due to the obstruction of the inclined plate 34 in one side of the slide way, so that the connecting shaft 31 compresses the third spring 30 along the inner wall of the triangular groove to slide together, when the connecting shaft 31 slides to the uppermost end of the triangular groove, the top plate 14 slides to the farthest position, namely the position of the fixing block 33 and the other group of slide ways are positioned on the same vertical plane, the top block 29 and the connecting shaft 31 slide together under the elastic force of the third spring 30, the connecting shaft 31 slides to the lowermost end of the triangular groove under the elastic force of the third spring 30, the top block 29 slides out of the surface of the model at the bottom of the top plate 14 to generate impact, so that the model can be further demolded, and the connecting shaft 31 retracts into the slide way containing the inclined plate 34 under the elastic force of the third spring 30, so that the fixing block 33 compresses the fourth spring 32 to retract into the connecting shaft 31, so that the connecting shaft 31 resets, and the model can be further separated from the model through the knocking surface, thereby effectively preventing the model from being damaged.
As a further scheme of the invention, one ends of the inner die 2 and the outer film frame 3 are fixedly connected with a pneumatic pump 1 together, and the pneumatic pump 1 is respectively in butt joint with the inner die 2 and the outer film frame 3 through two groups of output ends which are independently controlled to be output;
according to the scheme, when the mold is put into practical use, the pneumatic pump 1 is used for respectively controlling the inner mold 2 and the outer film frame 3 to slide, so that the inner mold 2 and the outer film frame 3 can be opened separately, and the mold can be matched better when the mold is taken out.
As a further scheme of the invention, two sides of the forming plate 8 are fixedly connected with a clamping plate 9 respectively, and a slot which can be in butt joint with the clamping plate 9 is formed in the forming cavity 6;
when the scheme is put into practical use, when the inner die 2 is separated from the forming cavity 6 through the clamping plate 9, the die can be taken out from the forming cavity 6 by clamping the die by the clamping plate 9, and the die can be taken down conveniently.
As a further scheme of the invention, the inner walls of the triangular grooves are smooth walls, and each corner of each triangular groove is in a chamfer arc shape;
above-mentioned scheme is when putting into actual use into, and gliding friction is littleer between smooth inner wall's triangle groove and the connecting axle 31, reduces the wearing and tearing to connecting axle 31, and the convex corner of chamfer makes connecting axle 31 rather than contact more steady.
An efficient injection molding process for automotive plastic parts, comprising the steps of:
step one: two moulds are respectively arranged on an injection molding machine to be closed, and molten plastics are pushed into the moulds through the injection molding machine;
step two: opening the cooled mold, cleaning a pushing component in the opening process, cutting off redundant residual materials at the injection port 12, discharging the residual materials from the injection port 12, and simultaneously ejecting a mold from the interior of the mold to assist in demolding;
step three: taking out the model from the inside of the mold after the mold is opened, and checking whether the injection port 12 is cleaned up to avoid residual materials;
step four: and closing the mould, and repeating the steps to carry out injection molding.
Working principle: the two moulds are respectively arranged on the injection molding machine to be closed, molten plastics are pushed into the moulds through the injection molding opening 12 of the injection molding machine, after a cooling water system cools the moulds through the first cooling pipe 4 and the second cooling pipe 7, the cooled moulds are opened, the outer film frame 3 is firstly slid and opened to one side through the pneumatic pump 1, the outer film frame 3 slides together through the connecting rod 10 in the sliding process, due to the limiting effect of the limiting block 24, the bottom of the connecting rod 10 can not pass through the limiting block 24, the connecting rod 10 can drive the swinging rod 11 to rotate and enable the torsion spring 26 to twist, the swinging rod 11 drives the fixed gear 23 to rotate, the fixed gear 23 drives the transmission gear 22 meshed with one side to rotate, the transmission gear 22 drives the threaded rod 21 to rotate, the sliding plate 19 slides along with the rotation of the threaded rod 21, the sliding plate 19 slides the cutter head 17 on one side to push the sliding block 20 to slide upwards, along with the sliding of the sliding plate 19, the cutter head 17 gradually contacts with the residual materials in the sliding block 20 until the cutter head 17 completely passes through the sliding block 20, the cutter head 17 cuts off the residual materials in the butt joint 27 from the mold, the residual materials are cut off, then the outer film frame 3 stops sliding, the inner mold 2 and the outer film frame 3 are driven to synchronously slide under the action of the pneumatic pump 1, the swinging rod 11 continues to rotate so that the sliding plate 19 continues to slide in the lower mold 5, the cutter head 17 pushes the sliding block 15 to slide together, the sliding block 15 drives the top plate 14 to slide in the vertical direction in the sliding process, namely, the mold is pushed to slide from the inside of the molding cavity 6, the mold is separated from the molding cavity 6 by the pushing assistance of the top plate 14, the mold adhesion problem is avoided, the convex block 18 slides to a position contacted with the sliding block 20 and pushes the sliding block 20 to continuously rise, until the sliding plate 19 slides to the top of the protruding block 18 to be positioned in the opposite joint 27, the sliding block 20 can reset for a certain distance under the action of the elastic force of the second spring 16, the excess material cut off in the opposite joint 27 is ejected through the protruding block 18, when the excess material is ejected out of the protruding block 18, the sliding block 15 pushes the top plate 14 to slide to the maximum distance in the forming cavity 6, namely the position where the mold is separated from the forming cavity 6, the pneumatic pump 1 continues to pull the inner mold 2 and the outer film frame 3 to slide, the connecting rod 10 can be separated from the contact with the swinging rod 11, the swinging rod 11 can be reset under the action of the elastic force of the torsion spring 26, the threaded rod 21 reversely rotates, the sliding plate 19 reversely slides and resets, the pressing of the cutter head 17 is separated, the first spring 13 enables the top plate 14 to reset, the second spring 16 enables the sliding block 20 to reset, and the cutting of the excess material and the auxiliary demolding of the mold can be completed.
Claims (6)
1. The utility model provides a high-efficient injection molding device of automotive plastic accessory, includes bed die (5), shaping chamber (6) have been seted up to bed die (5) one end, bed die (5) one end fixedly connected with second cooling tube (7), be provided with adventitia frame (3) on bed die (5), adventitia frame (3) inside sliding connection has interior mould (2), adventitia frame (3) one end fixedly connected with first cooling tube (4), injection molding mouth (12) have been seted up to bed die (5) bottom, bed die (5) bottom fixedly connected with and shaping board (8) that shaping chamber (6) correspond, its characterized in that: the lower die (5) is provided with a cleaning pushing component which is used for cutting off redundant expected injection molding openings (12) after injection molding and assisting in demolding the accessories from the inside of the die;
the cleaning pushing component comprises a swinging rod (11), the swinging rod (11) is arranged at one end of a lower die (5), one end of the swinging rod (11) is fixedly connected with a rotating rod (25), one end of the rotating rod (25) is rotationally connected with the lower die (5), a groove is formed in the swinging rod (11), two ends of the groove are respectively rotationally connected with a limiting block (24), the limiting blocks (24) can only rotate below the horizontal direction in the groove, a torsion spring (26) for resetting the limiting blocks is sleeved on the lower die (5), a fixed gear (23) is fixedly connected onto the swinging rod (11), a threaded rod (21) is rotationally arranged in the lower die (5), one end of the threaded rod (21) penetrates through the lower die (5) and is fixedly connected with a transmission gear (22) meshed with the fixed gear (23), a sliding plate (19) is slidably arranged in the lower die (5), one end of the threaded rod (21) is spirally inserted into the sliding plate (19), one end of the sliding plate (19) is fixedly connected with a cutter head (17), the top of the sliding plate (19) is fixedly connected with a fixed gear (23), one end of the sliding plate (18) is fixedly connected with a first spring (20) and is connected with the second end of the sliding block (20), the plastic injection mold is characterized in that a butt joint (27) corresponding to the injection molding opening (12) is formed in the sliding block (20), a sliding block (15) is arranged on one side of the sliding block (20), the sliding block (15) is horizontally arranged inside the lower mold (5) in a sliding mode, two groups of top plates (14) are vertically arranged inside the lower mold (5) in a sliding mode, first springs (13) used for resetting the two groups of top plates are respectively arranged on the top plates (14), the side walls of the two groups of top plates (14) are respectively attached to the side walls of the sliding block (15), a pushing assembly is arranged inside the top plates (14), and the pushing assembly is used for further avoiding the adhesion of the mold and the mold when the mold is taken out from the mold in a knocking mode;
the pushing assembly comprises a top block (29), the top block (29) is arranged inside a top plate (14) in a sliding mode, the bottom end of the top block (29) is parallel to the plane where the bottom end of the top plate (14) is located, a third spring (30) is fixedly connected to the bottom end of the top plate (14), a connecting shaft (31) is fixedly connected to the bottom end of the third spring (30) in a sliding mode, a triangular groove is formed in one side of the top plate (14), one end of the connecting shaft (31) penetrates through the triangular groove and is parallel to the plane where the side face of the top plate (14) is located, a fixing block (33) is arranged at one end of the connecting shaft (31) in a sliding mode, a fourth spring (32) used for resetting the fixing block (33) is arranged inside the connecting shaft (31), two sealing blocks (28) are fixedly connected to one side of the bottom of the top plate (14), two sliding ways corresponding to the sealing blocks (28) are formed in the lower die (5), the fixing block (33) can slide in the inner sliding mode, and the side face of the inclined plate (34) can be fixedly attached to the side face of the inclined plate (34).
2. The high-efficiency injection molding device for automotive plastic parts according to claim 1, wherein: one end of the outer membrane frame (3) is fixedly connected with a hooked connecting rod (10), and the bottom of the connecting rod (10) can pass through the swing rod (11) to be in butt joint with the swing rod (11).
3. The high-efficiency injection molding device for automotive plastic parts according to claim 1, wherein: one end of the inner die (2) and one end of the outer film frame (3) are fixedly connected with a pneumatic pump (1), and the pneumatic pump (1) is respectively in butt joint with the inner die (2) and the outer film frame (3) through two groups of output ends which are independently controlled to be output.
4. The high-efficiency injection molding device for automotive plastic parts according to claim 1, wherein: two sides of the forming plate (8) are fixedly connected with a clamping plate (9) respectively, and a slot which can be in butt joint with the clamping plate (9) is formed in the forming cavity (6).
5. The high-efficiency injection molding device for automotive plastic parts according to claim 1, wherein: the inner walls of the triangular grooves are smooth walls, and corners of the triangular grooves are rounded.
6. An efficient injection molding process for an automotive plastic part, which is applicable to the efficient injection molding device for the automotive plastic part according to any one of claims 1 to 5, and is characterized by comprising the following steps:
step one: two moulds are respectively arranged on an injection molding machine to be closed, and molten plastics are pushed into the moulds through the injection molding machine;
step two: opening the cooled mold, cleaning a pushing component in the opening process, starting to cut off redundant excess materials at the injection molding opening (12), discharging the excess materials from the injection molding opening (12), and simultaneously ejecting a mold from the inside of the mold to assist in demolding;
step three: taking out the model from the inside of the mould after the mould is opened, and checking whether the injection port (12) is cleaned up or not to avoid residual materials;
step four: and closing the mould, and repeating the steps to carry out injection molding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211524226.2A CN115847730B (en) | 2022-11-30 | 2022-11-30 | Efficient injection molding device for automobile plastic parts and injection molding process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211524226.2A CN115847730B (en) | 2022-11-30 | 2022-11-30 | Efficient injection molding device for automobile plastic parts and injection molding process thereof |
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| CN115847730A CN115847730A (en) | 2023-03-28 |
| CN115847730B true CN115847730B (en) | 2023-08-18 |
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| CN117021494B (en) * | 2023-10-08 | 2023-12-26 | 南通华敏运动用品有限公司 | Automatic demoulding device of plastic accessory for body-building equipment production |
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| KR20200058226A (en) * | 2018-11-19 | 2020-05-27 | 나라엠텍(주) | Injection mold with side gate automatic cutting apparatus |
| CN112757596A (en) * | 2021-01-21 | 2021-05-07 | 广东理标信息科技有限公司 | Rapid cooling injection mold capable of ejecting workpiece out and taking workpiece and operation method |
| JP2021088167A (en) * | 2019-12-03 | 2021-06-10 | 呉剛 | Injection molding of pp plastic spring |
| CN113500752A (en) * | 2020-06-04 | 2021-10-15 | 陈辉 | Injection mold for plastic preparation convenient to take off material |
| CN214773644U (en) * | 2021-04-08 | 2021-11-19 | 苏州凯旋机电元件有限公司 | LCP plastics processing is with preventing injection mold of acting as go-between |
| CN217803038U (en) * | 2022-07-13 | 2022-11-15 | 东莞市精塑模具有限公司 | Automatic cut mouth of a river plastic goods injection mold |
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| CN112757596A (en) * | 2021-01-21 | 2021-05-07 | 广东理标信息科技有限公司 | Rapid cooling injection mold capable of ejecting workpiece out and taking workpiece and operation method |
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| CN115847730A (en) | 2023-03-28 |
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