CN219028401U - Injection molding equipment for production of car lamp shell - Google Patents
Injection molding equipment for production of car lamp shell Download PDFInfo
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- CN219028401U CN219028401U CN202223484396.0U CN202223484396U CN219028401U CN 219028401 U CN219028401 U CN 219028401U CN 202223484396 U CN202223484396 U CN 202223484396U CN 219028401 U CN219028401 U CN 219028401U
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Abstract
The utility model belongs to the technical field of processing of car lamp shells, in particular to injection molding equipment for producing the car lamp shells, which comprises a pressing injection cylinder, wherein a push rod is slidably arranged in the pressing injection cylinder, a moving column is slidably arranged in the push rod, a first conductive shifting sheet is fixed at the bottom of the moving column, a second conductive shifting sheet is fixed at the bottom of a push rod mounting groove, the first conductive shifting sheet and the second conductive shifting sheet are in matched contact arrangement, when the car lamp shells are processed by using the injection molding equipment, the pressure in a mold is easily caused to be too high, the mold is damaged, when a mold cavity is filled with raw materials, the moving column slides in the push rod, the first conductive shifting sheet is contacted with the second conductive shifting sheet, at the moment, a hydraulic pump is stopped, the raw materials in the mold cavity are kept at a certain pressure, the moving column moves under the action of the pressure, the function of timely stagnation of the full injection state is realized, and the mold damage caused by the too high pressure is avoided.
Description
Technical Field
The utility model relates to the technical field of machining of car lamp shells, in particular to injection molding equipment for producing car lamp shells.
Background
The car lamp shell is a protection device on the outer side of the car lamp, has the main functions of protecting the car lamp, and can also enable the lamp light to be converged on the outer side, and is made of high-grade polycarbonate generally, and has high hardness, high toughness and good light transmittance; in the production process of the car lamp shell, injection molding equipment is used, and the processing production of the car lamp shell is realized through injection molding of an injection mold in the injection molding equipment;
the existing injection molding equipment comprises an upper die, a lower die, a pouring gate and a pressing and pouring rod, wherein the upper die and the lower die are subjected to die assembly operation, raw materials in a molten state are poured to the front end of the pressing and pouring rod through the pouring gate, the pressing and pouring rod is used for pushing the pressing and pouring rod to a die cavity between the upper die and the lower die, and after cooling, the molding of the car lamp shell can be completed;
when the existing injection molding equipment injects raw materials into a mold cavity through a pressing injection rod, the state of pressing injection cannot be stopped in time, the pressure in the mold is easily overhigh due to continuous pressing injection, and the mold is damaged; therefore, an injection molding apparatus for producing a lamp housing is proposed to solve the above-mentioned problems.
Disclosure of Invention
In order to overcome the defects of the prior art and solve the problem that the injection state cannot be stopped in time, the utility model provides injection molding equipment for producing a car lamp shell.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to injection molding equipment for producing a car lamp shell, which comprises a bottom plate, wherein a workbench is fixed on the bottom plate, a lower die is fixed on the workbench, an upper die is arranged on the workbench in a sliding way, a die cavity is arranged on the lower die and the upper die, a pressing injection hole is arranged on the bottom of the die cavity, a pressing injection cylinder is fixed at one end of the lower die far away from the die cavity, the cylinder cavity of the pressing injection cylinder is connected with the pressing injection hole, an injection tube is connected on the pressing injection cylinder, a push rod is slidably arranged in the pressing injection cylinder, a mounting groove is arranged on the push rod, a moving column is slidably arranged in the mounting groove of the push rod, a sliding groove is arranged on the moving column, a sliding block is arranged in the sliding groove in a sliding way, the sliding block is fixed on the push rod, the spring is fixed with between the bottom of removal post and the bottom of push rod mounting groove, the bottom of removal post is fixed with the conductive plectrum No. one, the bottom of push rod mounting groove is fixed with the conductive plectrum No. two, and the conductive plectrum No. one and the conductive plectrum No. two are the cooperation contact setting, be fixed with a fixed plate on the workstation, be fixed with a pneumatic cylinder on the fixed plate, a piston rod is installed to the cooperation on the pneumatic cylinder, the action end cooperation setting of a piston rod is in the bottom of push rod, removes under the effect of pressure through the removal post, has realized carrying out timely stagnant function to the state that the injection is full, has avoided the too high mould that causes of pressure to damage, is favorable to the protection of mould, has guaranteed to press the timely stop after the notes are accomplished.
Preferably, blow off pipe and inlet pipe have been seted up respectively on lower mould and the last mould, and the blow off pipe is located the inlet pipe top, S type pipeline has been seted up respectively to lower mould and the last mould, and S type pipeline' S both ends are connected blow off pipe and inlet pipe respectively, through the different medium of S type pipeline flow in the mould, have realized preheating and cooling to the mould, have avoided the raw materials to cool down fast and have influenced the problem of finished product effect and cooling time overlength.
Preferably, be fixed with the electric steamer on the bottom plate, the output section cooperation of electric steamer is connected with the connecting pipe No. one, the cooperation is connected with No. two connecting pipes on the connecting pipe No. one, and No. two connecting pipes are connected with the inlet pipe of lower mould and last mould through the pipeline, have realized the replenishment of electric steamer to high temperature steam.
Preferably, the first connecting pipe is provided with a second valve in a matched mode at one end, close to the electric steam machine, of the first connecting pipe, the second valve is located on one side of the second connecting pipe, the second valve is arranged on the other side of the second connecting pipe, and the first valve is arranged on the first connecting pipe, so that drainage of high-temperature steam and cooling water is achieved.
Preferably, the workbench is fixedly provided with a second fixing plate, the second fixing plate is fixedly provided with a second hydraulic cylinder, the second hydraulic cylinder is provided with a second piston rod in a matched mode, the acting end of the second piston rod is fixed on the upper die, and the functions of die assembly of the upper die and the lower die are achieved through pushing of the second piston rod.
Preferably, the hydraulic pump is fixed on the workbench, the hydraulic pump is connected with the first hydraulic cylinder and the second hydraulic cylinder through pipelines, the hydraulic pump is connected with the first conductive shifting sheet and the second conductive shifting sheet through circuits, and the hydraulic pump is arranged to charge or discharge hydraulic oil in the first hydraulic cylinder and the second hydraulic cylinder, so that the accurate telescopic movement of the first piston rod and the second piston rod is realized, and the timely closing function of the hydraulic pump is realized through the contact of the first conductive shifting sheet and the second conductive shifting sheet.
The utility model has the advantages that:
1. when using injection molding equipment to inject the raw materials to the mould intracavity through the pressure notes pole, can't in time stagnate to the state of pressing full, continue to press and annotate and lead to the mould internal pressure too high easily, cause the mould to damage, in order to realize in time stagnating to the state of injecting full, make piston rod promotion push rod, when the mould intracavity is full of the raw materials, make the movable column slide in the push rod, make the spring compression, electrically conductive plectrum and electrically conductive plectrum contact No. two, the hydraulic pump stops this moment, make the raw materials in the mould chamber keep certain pressure, can realize the production of car light shell after the cooling, remove under the effect of pressure through the movable column, realized carrying out timely stagnating the function to the state of injecting full, avoided the pressure too high and caused the mould damage.
2. According to the utility model, through the structural design of the S-shaped pipeline flowing different mediums in the die, the functions of preheating and cooling the die are realized, when the die needs to be preheated, the second valve is opened, the electric steam machine is started, so that high-temperature steam is enabled to be preheated uniformly through the S-shaped structural design of the S-shaped pipeline, when the die needs to be cooled, one end of the first connecting pipe is connected with an external running water pipe, the second valve is closed, the first valve is opened, the die is cooled by using the S-shaped pipeline, and the problems that the effect of finished products is influenced by rapid cooling of raw materials and the cooling time is overlong are avoided.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a first perspective view of a first embodiment;
FIG. 2 is a schematic view showing an internal cross-sectional structure of a squeeze tube according to the first embodiment;
FIG. 3 is a schematic view showing an internal cross-sectional structure of a push rod according to the first embodiment;
FIG. 4 is a schematic diagram of an S-shaped pipeline structure according to the first embodiment;
fig. 5 is a schematic diagram of a first perspective structure of a second embodiment.
In the figure: 1. a bottom plate; 2. a work table; 3. a lower die; 4. an upper die; 5. a mold cavity; 6. pressing and injecting holes; 7. pressing a pouring barrel; 8. a syringe; 9. a push rod; 10. a moving column; 11. a chute; 12. a slide block; 13. a spring; 14. a first conductive pulling piece; 15. a second conductive pulling piece; 16. a first fixing plate; 17. a first hydraulic cylinder; 18. a first piston rod; 19. a blow-down pipe; 20. a feed pipe; 21. s-shaped pipelines; 22. an electric steamer; 23. a first connecting pipe; 24. a valve I; 25. a valve II; 26. a second connecting pipe; 27. a second fixing plate; 28. a second hydraulic cylinder; 29. a second piston rod; 30. a hydraulic pump; 31. a bucket-type tube.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, an injection molding device for producing a vehicle lamp shell comprises a bottom plate 1, a workbench 2 is fixed on the bottom plate 1, a lower die 3 is fixed on the workbench 2, an upper die 4 is slidably arranged on the workbench 2, a die cavity 5 is arranged on the lower die 3 and the upper die 4, a pressure injection hole 6 is arranged at the bottom of the die cavity 5 in the lower die 3, a pressure injection cylinder 7 is fixed at one end of the lower die 3 far away from the die cavity 5, a cylinder cavity of the pressure injection cylinder 7 is connected with the pressure injection hole 6, an injection tube 8 is connected on the pressure injection cylinder 7, a push rod 9 is slidably arranged in the pressure injection cylinder 7, a mounting groove is arranged on the push rod 9, a moving column 10 is slidably arranged in the mounting groove of the push rod 9, a sliding groove 11 is arranged on the moving column 10, a sliding block 12 is slidably arranged on the sliding groove 11, the sliding block 12 is fixed on the push rod 9, a spring 13 is fixed between the bottom of the movable column 10 and the bottom of the installation groove of the push rod 9, a first conductive shifting sheet 14 is fixed at the bottom of the movable column 10, a second conductive shifting sheet 15 is fixed at the bottom of the installation groove of the push rod 9, the first conductive shifting sheet 14 and the second conductive shifting sheet 15 are in matched contact, a first fixing plate 16 is fixed on the workbench 2, a first hydraulic cylinder 17 is fixed on the first fixing plate 16, a first piston rod 18 is matched and installed on the first hydraulic cylinder 17, the acting end of the first piston rod 18 is matched and arranged at the bottom of the push rod 9, a hydraulic pump 30 is fixed on the workbench 2, the hydraulic pump 30 is connected with the first hydraulic cylinder 17 and the second hydraulic cylinder 28 through a pipeline, and the hydraulic pump 30 is connected with the first conductive shifting sheet 14 and the second conductive shifting sheet 15 through a circuit;
during operation, injection equipment is used in the production process of the car lamp shell, the processing and production of the car lamp shell are realized through injection molding of an injection mold in the injection equipment, however, when raw materials are injected into a mold cavity through an injection molding rod, the state of full injection cannot be timely stopped, continuous injection is easy to cause excessive pressure in the mold, the mold is damaged, in order to realize timely stopping of the state of full injection, when the car lamp shell needs to be subjected to injection molding, a hydraulic pump 30 is started, hydraulic oil is filled into a second hydraulic cylinder 28, a second piston rod 29 pushes an upper mold 4 to be fully matched with a lower mold 3, the two mold cavities 5 form the shape of the complete car lamp shell, at the moment, raw materials in a molten state are injected into an injection molding cylinder 7 through an injection pipe 8, the raw materials can flow into the mold cavity 5 through an injection molding hole 6, and when the injection is needed, the hydraulic pump 30 is started to charge hydraulic oil into the first hydraulic cylinder 17, the first piston rod 18 is made to push the push rod 9, the push rod 9 is made to push raw materials into the die cavity 5, when the die cavity 5 is filled with raw materials, the pressure in the die cavity 5 is increased along with the pushing of the push rod 9, the movable column 10 slides into the push rod 9 under the limit of the sliding groove 11 and the sliding block 12 under the condition of a certain pressure of the raw materials, the spring 13 is compressed, the first conductive shifting plate 14 is made to contact with the second conductive shifting plate 15 under the condition that the movable column 10 continuously moves, at the moment, the hydraulic pump 30 stops charging hydraulic oil into the first hydraulic cylinder 17, the raw materials in the die cavity 5 are kept at a certain pressure, the production of the car lamp shell can be realized after cooling, the function of timely stopping the full injection state is realized through the movement of the movable column 10 under the action of the pressure, the damage of the die caused by the excessive pressure is avoided, the protection of the die is facilitated, and the timely stop of the die after the injection is completed is ensured.
The lower die 3 and the upper die 4 are respectively provided with a blow-off pipe 19 and a feed pipe 20, the blow-off pipe 19 is positioned above the feed pipe 20, the lower die 3 and the upper die 4 are respectively provided with an S-shaped pipeline 21, two ends of the S-shaped pipeline 21 are respectively connected with the blow-off pipe 19 and the feed pipe 20, the bottom plate 1 is fixedly provided with an electric steamer 22, an output section of the electric steamer 22 is matched and connected with a first connecting pipe 23, the first connecting pipe 23 is matched and connected with a second connecting pipe 26, the second connecting pipe 26 is connected with the feed pipe 20 of the lower die 3 and the upper die 4 through a pipeline, the first connecting pipe 23 is matched and provided with a second valve 25 at one end close to the electric steamer 22, the second valve 25 is positioned at one side of the second connecting pipe 26, the other side of the second connecting pipe 26 is provided with a first valve 24, the first valve 24 is arranged on the first connecting pipe 23, the workbench 2 is fixedly provided with a second fixing plate 27, the second fixing plate 27 is fixedly provided with a second hydraulic cylinder 28, the second hydraulic cylinder 28 is matched and provided with a second hydraulic cylinder 29, and a piston rod 29 is fixedly provided with a piston rod at the upper end of the upper die 4;
during operation, raw materials in a molten state can be injected into a die, the temperature of the die is lower, raw materials are easy to cool rapidly when the raw materials are directly added, the raw materials are cooled rapidly, the effect of finished products is affected, the raw materials are required to be cooled rapidly after the temperature of the raw materials is reduced after injection is completed, waiting time is long, in order to achieve preheating and cooling of the die, when the die is required to be preheated, a valve No. two 25 is opened, an electric steamer 22 is started, the electric steamer 22 can be in the form of SND-10KG-6KW, high-temperature steam flows into a feed pipe 20 through a connecting pipe No. two 23 through a connecting pipe No. two 26, the high-temperature steam is uniformly preheated in an upper die 4 and a lower die 3 through the S-shaped structural design of an S-shaped pipeline 21, the used steam is discharged from a blow-down pipe 19, one end of the connecting pipe No. 23 is connected with an external tap water pipe, at the moment, the valve No. two 25 is closed, the valve No. 24 is opened, the cooling of the die is achieved, different mediums flow in the S-shaped pipeline 21 in the die, the problem of rapid preheating and cooling effect of the die is avoided, and the cooling effect of the raw materials is avoided.
Example two
Referring to fig. 5, in a first comparative example, as another embodiment of the present utility model, a bucket-shaped tube 31 is fixed on the injection tube 8, and the top of the bucket-shaped tube 31 is configured in a bucket shape; during operation, raw materials in a molten state are required to be injected into the injection pressing cylinder 7 through the injection tube 8, the size of an injection port is increased through the bucket-shaped arrangement of the top of the bucket-shaped tube 31, the problem that overflow cannot be found in time due to too fast injection is avoided through the arrangement of an inclined plane,
the working principle is that injection equipment is used in the production process of the car lamp shell, the processing and production of the car lamp shell are realized through injection molding of an injection mold in the injection equipment, however, when raw materials are injected into a mold cavity through an injection pressing rod, the state of full injection cannot be timely stopped, continuous injection can easily cause excessive pressure in the mold to cause mold damage, in order to realize timely stopping of the state of full injection, when the car lamp shell needs to be subjected to injection molding, a hydraulic pump 30 is started, hydraulic oil is filled into a second hydraulic cylinder 28, a second piston rod 29 pushes an upper mold 4 to be fully matched with a lower mold 3, the two mold cavities 5 form the shape of the complete car lamp shell, at the moment, raw materials in a molten state are injected into an injection pressing cylinder 7 through an injection pipe 8, the raw materials can flow into the mold cavity 5 through an injection pressing hole 6, and when the injection is needed, the hydraulic pump 30 is started to charge hydraulic oil into the first hydraulic cylinder 17, the first piston rod 18 is made to push the push rod 9, the push rod 9 is made to push raw materials into the die cavity 5, when the die cavity 5 is filled with raw materials, the pressure in the die cavity 5 is increased along with the pushing of the push rod 9, the movable column 10 slides into the push rod 9 under the limit of the sliding groove 11 and the sliding block 12 under the condition of a certain pressure of the raw materials, the spring 13 is compressed, the first conductive shifting plate 14 is made to contact with the second conductive shifting plate 15 under the condition that the movable column 10 continuously moves, at the moment, the hydraulic pump 30 stops charging hydraulic oil into the first hydraulic cylinder 17, the raw materials in the die cavity 5 are kept at a certain pressure, the production of the car lamp shell can be realized after cooling, the function of timely stopping the full injection state is realized through the movement of the movable column 10 under the action of the pressure, the damage of the die caused by the excessive pressure is avoided, the protection of the die is facilitated, and the timely stopping of the die after the injection is completed is ensured;
the raw materials in a molten state can be injected into the die, the temperature of the die is lower, the raw materials are easy to cool rapidly when the raw materials are directly added, the raw materials are cooled rapidly, the effect of finished products is affected, the raw materials are required to be cooled rapidly after the temperature of the raw materials is reduced after the injection is completed, the waiting time is long, in order to achieve preheating and cooling of the die, when the die is required to be preheated, the valve No. two 25 is opened, the electric steamer 22 is started, the electric steamer 22 can be in the form of SND-10KG-6KW, high-temperature steam flows into the feed pipe 20 through the connecting pipe No. two 26 by the connecting pipe No. one 23, the high-temperature steam is uniformly preheated by the upper die 4 and the lower die 3 through the S-shaped structural design of the S-shaped pipeline 21, the used steam is discharged from the blow-off pipe 19, when the die is required to be cooled, one end of the connecting pipe No. one 23 is connected with an external running water pipe, the valve No. two 25 is closed, the valve No. 24 is opened, the cooling of the die is achieved by using the S-shaped pipeline 21, different mediums are flowed in the die, the problem of rapid preheating and cooling of the die is solved, the effect of the raw materials is avoided, and the cooling effect of the cooling is greatly influenced.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. Injection molding equipment for production of car lamp shells, comprising a base plate (1), be fixed with workstation (2) on bottom plate (1), be fixed with lower mould (3) on workstation (2), slide on workstation (2) and be provided with mould (4), mould chamber (5) have been seted up on lower mould (3) and upper mould (4), its characterized in that: the lower die (3) is provided with a pressing injection hole (6) at the bottom of the die cavity (5), one end of the lower die (3) far away from the die cavity (5) is fixedly provided with a pressing injection cylinder (7), the cylinder cavity of the pressing injection cylinder (7) is connected with the pressing injection hole (6), the pressing injection cylinder (7) is connected with an injection tube (8), a push rod (9) is slidably installed in the pressing injection cylinder (7), an installation groove is formed in the push rod (9), a moving column (10) is slidably installed in the installation groove of the push rod (9), a sliding groove (11) is formed in the moving column (10), a sliding block (12) is slidably arranged in the sliding groove (11), a spring (13) is fixed between the bottom of the moving column (10) and the bottom of the installation groove of the push rod (9), a conductive sheet (14) is fixed at the bottom of the installation groove of the push rod (9), a conductive sheet (15) is fixed at the bottom of the installation groove, a conductive sheet (16) is fixed at the bottom of the installation groove (9), a conductive sheet (16) on the first hydraulic sheet (16), a first piston rod (18) is arranged on the first hydraulic cylinder (17) in a matched mode, and the acting end of the first piston rod (18) is arranged at the bottom of the push rod (9) in a matched mode.
2. An injection molding apparatus for use in the production of automotive lamp housings as defined in claim 1, wherein: blow-down pipe (19) and inlet pipe (20) have been seted up respectively on lower mould (3) and the last mould (4), and blow-down pipe (19) are located inlet pipe (20) top, S type pipeline (21) have been respectively in lower mould (3) and the last mould (4), and blow-down pipe (19) and inlet pipe (20) are connected respectively at the both ends of S type pipeline (21).
3. An injection molding apparatus for use in the production of automotive lamp housings as defined in claim 2, wherein: the steam engine is characterized in that the electric steam engine (22) is fixed on the bottom plate (1), a first connecting pipe (23) is connected to the output section of the electric steam engine (22) in a matched mode, a second connecting pipe (26) is connected to the first connecting pipe (23) in a matched mode, and the second connecting pipe (26) is connected with the feeding pipe (20) of the lower die (3) and the upper die (4) through a pipeline.
4. An injection molding apparatus for producing a lamp housing according to claim 3, wherein: the steam generator is characterized in that a second valve (25) is matched with one end, close to the steam generator (22), of the first connecting pipe (23), the second valve (25) is located on one side of the second connecting pipe (26), a first valve (24) is arranged on the other side of the second connecting pipe (26), and the first valve (24) is arranged on the first connecting pipe (23).
5. An injection molding apparatus for producing a lamp housing according to claim 4, wherein: the workbench (2) is fixedly provided with a second fixing plate (27), the second fixing plate (27) is fixedly provided with a second hydraulic cylinder (28), the second hydraulic cylinder (28) is provided with a second piston rod (29) in a matched mode, and the acting end of the second piston rod (29) is fixed on the upper die (4).
6. An injection molding apparatus for use in the production of automotive lamp housings as defined in claim 5, wherein: the hydraulic machine is characterized in that a hydraulic pump (30) is fixed on the workbench (2), the hydraulic pump (30) is connected with a first hydraulic cylinder (17) and a second hydraulic cylinder (28) through pipelines, and the hydraulic pump (30) is connected with a first conductive shifting sheet (14) and a second conductive shifting sheet (15) through circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223484396.0U CN219028401U (en) | 2022-12-23 | 2022-12-23 | Injection molding equipment for production of car lamp shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223484396.0U CN219028401U (en) | 2022-12-23 | 2022-12-23 | Injection molding equipment for production of car lamp shell |
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| Publication Number | Publication Date |
|---|---|
| CN219028401U true CN219028401U (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223484396.0U Active CN219028401U (en) | 2022-12-23 | 2022-12-23 | Injection molding equipment for production of car lamp shell |
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| Country | Link |
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| CN (1) | CN219028401U (en) |
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2022
- 2022-12-23 CN CN202223484396.0U patent/CN219028401U/en active Active
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