CN110281507B - Blow molding machining center for manufacturing LED lamp shade with no junction at bottom - Google Patents
Blow molding machining center for manufacturing LED lamp shade with no junction at bottom Download PDFInfo
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- CN110281507B CN110281507B CN201910531462.9A CN201910531462A CN110281507B CN 110281507 B CN110281507 B CN 110281507B CN 201910531462 A CN201910531462 A CN 201910531462A CN 110281507 B CN110281507 B CN 110281507B
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- blow molding
- injection molding
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- 238000000071 blow moulding Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000001746 injection moulding Methods 0.000 claims abstract description 35
- 238000004321 preservation Methods 0.000 claims abstract description 11
- 238000000465 moulding Methods 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims 1
- 238000002347 injection Methods 0.000 description 12
- 239000007924 injection Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 241000519995 Stachys sylvatica Species 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 241000227287 Elliottia pyroliflora Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2725—Manifolds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/06—Injection blow-moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/56—Opening, closing or clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/78—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C2049/023—Combined blow-moulding and manufacture of the preform or the parison using inherent heat of the preform, i.e. 1 step blow moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention relates to a blow molding machining center for manufacturing a bottom knotless LED lampshade, which comprises an injection molding station, a blow molding station, a rotating center, a molding assembly arranged at the rotating center and an oil cylinder for driving the rotating center to lift, wherein the injection molding station, the blow molding station, the rotating center and the molding assembly are arranged on one side of the injection molding machine frame; an oil inlet of the oil guide pipe and an oil outlet between the oil guide pipe and the core mold are connected with a second oil circulation system; an oil plate is further arranged between the female die and the lower die, a heat preservation oil duct is arranged in the oil plate, and the heat preservation oil duct is connected with a third oil circulation system. The bottom of the lamp shade processed by the invention has no nodes, the surface color is uniform, the transparency is consistent, and the working efficiency is improved.
Description
Technical Field
The invention relates to a blow molding machining center for manufacturing a bottom knotless LED lampshade, and belongs to the technical field of sliding mechanisms.
Background
The LED lampshade is one of LED accessories, and is used for better gathering light, so that the light is more concentrated and softer. For example, patent publication CN2014101930972 discloses an LED lighting device and a lamp cover, comprising: the LED lamp comprises a base, an LED light-emitting unit and a lamp shade; referring to the drawings of this document, in which the lamp housing is of a large aperture and large volume type, the lamp housing of this shape is relatively easily formed in conventional blow molding processing, and is easily detached from a composite core mold (for example, a composite core mold of publication number CN 201317102) because of its large weight, i.e., the blanking is convenient. For the small-caliber and small-volume LED lamp shade, on one hand, the surface color of a product formed in the blow molding process is uneven, the transparency is inconsistent, and white spots or dark blocks are easy to produce; on the other hand, because the gravity is smaller or the small caliber is adhered to the composite core mold in the injection molding process, the blanking device has the characteristic of inconvenient blanking.
Therefore, at present, a mode of feeding materials to the bottom of a die through an injection molding machine is often adopted for producing products for the small-caliber and small-volume LED lamp shade, and after the products are formed by cooling, a node is inevitably generated at the bottom of the products, so that the disadvantage of poor appearance is brought.
The following proposes a technical solution to the above technical problem.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a blow molding processing center for manufacturing a LED lampshade with a knotless bottom, and the processed lampshade has the advantages of no knotless bottom, uniform surface color and uniform transparency.
The technical scheme for solving the technical problems is as follows: the blow molding machining center for manufacturing the LED lampshade with the bottom without the nodes comprises an injection molding station, a blow molding station, a rotation center, a molding assembly arranged at the rotation center and an oil cylinder driving the rotation center to lift, wherein the injection molding station is connected with an injection molding opening of an injection molding machine; a workbench is arranged on one side of the injection molding machine frame, the injection molding station is provided with a lower die fixedly arranged on the workbench and a female die fixedly arranged on the lower die, the female die is provided with an injection molding cavity, and the female die is provided with a first oil circulation system; the die forming assembly comprises an upper die fixedly arranged at a rotating center, a first cylinder for driving the upper die to lift, a neck die arranged in the upper die, a second cylinder for opening and closing the neck die, a core die fixedly arranged at the upper die and positioned in the neck die, and an air source system arranged above the rotating center and used for supplying air to the core die, wherein an oil cavity is arranged in the core die, the oil cavity is provided with an oil outlet, an oil guide pipe is inserted from the oil outlet, the upper end of the oil guide pipe is provided with an oil inlet, the lower end of the oil guide pipe is provided with an opening and is communicated with the oil cavity, the upper end of the oil guide pipe is provided with an oil inlet, and the oil cavity is connected with a second oil circulation system; an oil plate is further arranged between the female die and the lower die, a heat preservation oil duct is arranged in the oil plate, and the heat preservation oil duct is connected with a third oil circulation system.
The invention further discloses a rotary center comprising a base arranged on a frame of the injection molding machine, a rotary disk rotationally connected with the base and a servo motor for driving the rotary disk to rotate; the base is fixedly connected with an inverted pushing-down cylinder, a piston rod of the pushing-down cylinder is fixedly connected with a magnetic ring of a magnetic switch, a notch I for the piston rod of the pushing-down cylinder to move downwards is formed in the base, a notch II is formed in the rotating disc, and a spring piece of the magnetic switch is arranged below the notch II; the magnetic switch is connected with the oil cylinder through an electric signal.
According to the invention, the first cylinder is fixed at the bottom of the rotary disk, a piston rod of the first cylinder is fixedly connected with the upper die, the neck die comprises a first clamping die and a second clamping die, the second cylinder is fixedly connected with the first clamping die, the piston rod of the second cylinder penetrates through the first clamping die and is in sliding fit with the first clamping die, and the penetrating end of the second cylinder is fixedly connected with the inner side surface of the second clamping die.
According to the invention, the female die is provided with the oil inlet channel, the oil support groove and the oil outlet channel, and the oil inlet channel, the oil support groove and the oil outlet channel are respectively provided with an oil channel branch.
The blow molding station comprises a die sleeve fixedly connected to a workbench, and a first die closing device and a second die closing device which are arranged in the die sleeve and matched with each other; the opening and closing module comprises a pushing cylinder, a guide rod and a limiting block; the guide rod is horizontally and fixedly arranged on one side of the die assembly, the pushing cylinder is fixedly provided with a pushing plate, and the guide rod penetrates through the pushing plate and is in sliding fit with the pushing plate; the pushing plate is fixedly connected with a pull rod which is parallel to the guide rod, the pull rod is fixedly connected with a second die assembly, and a piston rod of the pushing cylinder is fixedly connected with a first die assembly; the limiting block is arranged on the guide rod and is positioned between the pushing plate and the first die closing device.
In the invention, the first oil circulation system, the second oil circulation system and the third oil circulation system are all mold temperature machines.
The invention further discloses a matched first thread part and a matched second thread part are arranged between the first clamping die and the second clamping die.
The core mold comprises a core sleeve and a core rod, wherein the core sleeve is fixedly connected to an upper mold, an air groove is formed in the lower portion of the core rod, a spring groove is formed in the upper portion of the core sleeve, a copper sleeve and a spring are arranged in the spring groove, the core rod is provided with an annular step for the copper sleeve to collide, and the spring collides with the bottom of the spring groove and the annular step; the copper bush is provided with an air inlet hole and an air outlet hole, and the air inlet hole and the air outlet hole are communicated with the spring groove.
The invention further discloses a rotary center comprising a base arranged on a frame of the injection molding machine, a rotary disk rotationally connected with the base and a servo motor for driving the rotary disk to rotate; the infrared sensor is characterized in that an infrared emitter is fixedly connected to the base, a first notch for the infrared sensor to pass through is formed in the base, a second notch is formed in the rotating disc, an infrared receiver is arranged below the second notch, a controller is connected to the infrared receiver through signals, and the controller is connected to the oil cylinder through signals.
In summary, the invention has the following advantages: on one hand, the product surface formed in the blow molding process of the small-caliber and small-volume LED lampshade has uniform color and consistent transparency, and white spots or dark blocks are not easy to produce; on the other hand, the first clamping die and the second clamping die are driven to move by the second air cylinder to generate vibration, so that the composite core die is easy to demould even if the gravity is small or the small caliber is adhered to the composite core die in the injection molding process, and the blanking device has the characteristic of convenience in blanking; in addition, the purpose of protecting mechanical equipment is achieved by adopting a magnetic switch or an infrared sensor.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
FIG. 2 is a schematic diagram showing the structure of a first oil circulation system according to an embodiment;
FIG. 3 is a schematic diagram showing the structure of a third oil circulation system according to an embodiment;
FIG. 4 is a schematic diagram of an embodiment for showing a center of rotation;
FIG. 5 is a schematic diagram showing the structure of a rotation center according to an embodiment;
FIG. 6 is a schematic diagram showing the structure of the inside of a rotation center according to an embodiment;
fig. 7 is a schematic view showing the internal structure of the core mold according to the embodiment.
Reference numerals: 1. an injection molding station; 100. a lower die; 101. a female die; 1011. an oil inlet duct; 1012. an oil bracket; 1013. an oil outlet duct; 1014. an oil passage branch; 2. a molding assembly; 200. an upper die; 201. a first cylinder; 202. a die; 2020. a first thread part; 2021. a second thread part; 203. a second cylinder; 204. a core mold; 2040. an oil chamber; 2041. a core sleeve; 2042. a core bar; 2043. an air tank; 2044. a spring groove; 2045. a copper sleeve; 2046. an air inlet hole; 2047. an air outlet hole; 2048. sealing grooves; 2049. an oil guide pipe; 3. a rotation center; 300. a base; 301. a rotating disc; 302. a pushing-down cylinder; 303. a notch I; 304. a second notch; 305. a spring piece; 4. a blow molding station; 400. a die sleeve; 401. closing the first die; 402. closing the second die; 5. an oil cylinder; 6. opening and closing the die assembly; 600. a pushing cylinder; 601. a guide rod; 602. a limiting block; 603. a push plate; 604. a pull rod; 7. a work table; 8. an oil plate; 9. a first oil circulation system; 900. a mold temperature machine; 901. an oil inlet pipe; 902. an oil return pipe; 10. a third oil circulation system; 1001. an oil pipe loop; 11. a nozzle; 12. a branch pipe runner; 13. l branch pipe flow channels; 14. an injection cavity; 15. blow molding cavity.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, a blow molding center for manufacturing a bottom knotless LED lamp housing includes an injection molding station 1 provided to a frame of an injection molding machine, a blow molding station 4, a rotation center 3, a molding assembly 2 installed to the rotation center 3, and an oil cylinder 5 driving the rotation center 3 to be lifted.
Wherein injection device is installed on the right side of injection molding machine frame, and injection station 1 connects injection device, and injection device is used for melting the plastics particle of inhaling and then drives injection station 1 into. The left side of the injection molding machine frame is provided with a workbench 7, the injection molding station 1 is provided with a lower die 100 fixedly arranged on the workbench 7 and a female die 101 fixedly arranged on the lower die 100, and an oil plate 8 is further arranged between the female die 101 and the lower die 100.
The injection device drives the melted plastic particles into a fluid runner arranged in the lower die 100, the plastic particles are branched into a left branch runner and a right branch runner 12, the two branch runners 12 respectively enter the injection nozzles 11, and then are branched into horizontal runners of the female die 101 through L branch runners 13 of the female die 101 which are connected upwards by the injection nozzles 11; the head of the nozzle 11 is matched with the runner interface of the bottom of the female die 101, so that plastic particles flowing out of the head enter the injection cavity 14 of the female die 101 through the runner.
The female die 101 and the oil pan 8 of the embodiment are respectively provided with a first oil circulation system 9 and a third oil circulation system 10, wherein the first oil circulation system 9 includes a die temperature machine 900: the oil inlet pipe 901 of the mold temperature machine 900 is connected with the oil inlet channel 1011 of the female mold 101 and then is branched into four oil channel branches 1014, each oil channel branch 1014 is provided with an oil support groove 1012, hot oil fills the oil support groove 1012 during heating, and meanwhile, the oil support groove 1012 is arranged below the injection molding cavity 14 and is mainly used for preserving heat of plastic particles in the injection molding cavity 14; and then enters the oil outlet 1013 through the oil passage branch 1014 and merges into the interior of the mold temperature machine 900 through the oil return pipe 902.
The lower third oil circulation system 10 is also realized by the mold temperature machine 900: the oil inlet pipe 901 of the mold temperature machine 900 is connected with a heat preservation oil duct of the oil plate 8, and the heat preservation oil duct is in a shape of a square oil pipe loop 1001 which is arranged around the injection nozzle 11 and is separated, so that heat preservation is realized around the two injection nozzles 11. In addition, in another embodiment, an annular oil groove may be directly formed on the outer wall of the nozzle 11, and the hot oil may be directly introduced into the oil groove for heat preservation; better improves the heat preservation effect.
The blow molding station 4 comprises a die sleeve 400 fixedly connected to the workbench 7, and a first die clamping 401 and a second die clamping 402 which are arranged in the die sleeve 400 and matched with each other, wherein a spherical blow molding cavity 15 is formed before the first die clamping 401 and the second die clamping 402; the mold opening and closing assembly 6 comprises a pushing cylinder 600, a guide rod 601 and a limiting block 602; the guide rod 601 is horizontally and fixedly arranged on the side of the first die assembly 401, the push plate 603 is fixedly arranged on the push cylinder 600, and the guide rod 601 penetrates through the push plate 603 and is in sliding fit with the push plate 603; the push plate 603 is fixedly connected with a pull rod 604 which is parallel to the guide rod 601, the pull rod 604 is fixedly connected with the second die assembly 402, and a piston rod of the pushing cylinder 600 is fixedly connected with the first die assembly 401; the limiting block 602 is disposed on the guide rod 601 and located between the push plate 603 and the first mold clamping 401. The specific process is as follows: when the blow molding operation is required to be performed to close the first mold half 401 and the second mold half 402, the piston rod of the pushing cylinder 600 pushes the first mold half 401 to move right, the piston rod moves right until the piston rod collides with the die sleeve 400 and then is limited, the pushing cylinder 600 moves left under the action of force, because the push plate 603 is fixed on the pushing cylinder 600, the pull rod 604 is fixedly connected with the push plate 603 and the second mold half 402, and therefore the second mold half 402 can be pulled leftwards, and the first mold half 401 and the second mold half 402 are closed. When demolding and blanking are performed, a piston rod of the pushing cylinder 600 pulls the first mold closing 401 to move left, and the first mold closing 401 collides with the limiting block 602 and then is limited, so that the pushing cylinder 600 moves rightwards; the second clamp 402 is then pushed to the right by the over-tie bar 604, allowing separation between the first clamp 401 and the second clamp 402.
The center of rotation 3 and the mold forming assembly 2 above the injection molding station 1 and the blow molding station 4 are set as follows: the front side and the rear side of the workbench 7 are respectively provided with an oil cylinder 5, the top of a piston rod of the oil cylinder 5 is fixedly connected with a rotating center 3, the rotating center 3 comprises a base 300 arranged on a frame of an injection molding machine, a rotating disc 301 rotatably connected with the base 300, a servo motor driving the rotating disc 301 to rotate, the molding assembly 2 comprises an upper die 200 fixedly arranged on the rotating center 3, a first cylinder 201 driving the upper die 200 to lift, a second cylinder 203 arranged in the upper die 200 and a second cylinder 203 for opening and closing the die 202, a mandrel 204 fixedly arranged on the upper die 200 and positioned in the die 202, and an air source system arranged above the rotating center 3 and used for supplying air to the mandrel 204, wherein a rectangular box body is arranged above the base 300, and the air source system is arranged in the rectangular box body. The first cylinder 201 is fixed at the bottom of the rotary disk 301, a piston rod of the first cylinder 201 is fixedly connected to the upper die 200, the neck die 202 comprises a first clamping die and a second clamping die, the second cylinder 203 is fixedly connected to the first clamping die, the piston rod of the second cylinder passes through the first clamping die and is in sliding fit with the first clamping die, and a penetrating set end of the second cylinder 203 is fixedly connected to the inner side surface of the second clamping die.
The core mold 204 comprises a core sleeve 2041 and a core rod 2042, wherein the core sleeve 2041 is fixedly connected to the upper mold 200, an air groove 2043 is formed in the lower portion of the core rod 2042, a spring groove 2044 is formed in the upper portion of the core sleeve 2041, a copper sleeve 2045 and a spring are arranged in the spring groove 2044, the core rod 2042 is provided with an annular step for the copper sleeve 2045 to abut against, and the spring abuts against the bottom of the spring groove 2044 and the annular step; the copper sleeve 2045 is provided with an air inlet 2046 and an air outlet 2047, the air inlet 2046 and the air outlet 2047 are both communicated with the spring groove 2044, and in order to improve the tightness, sealing grooves 2048 are arranged at the upper and lower positions of the air inlet 2046 and the air outlet 2047 and used for placing sealing rings for sealing; an oil cavity 2040 is arranged in a core rod 2042 of the core mold 204, the core rod 2042 is hollow, an oil guide pipe 2049 is inserted into the core rod 2042, the upper end of the oil guide pipe 2049 is connected with an oil inlet pipe 901 of a second oil circulation system, the lower end of the oil guide pipe 2049 is communicated with the oil cavity 2040, hot oil flows back from a gap above the oil guide pipe 2049 and the core rod 2042, and an oil return pipe 902 of the second oil circulation system is connected with a gap above the oil guide pipe 2049 and the core rod 2042 in a sealing mode.
In addition, a servo motor and a gear set for driving the rotation of the rotary disk 301; an inverted pushing cylinder 302 is fixedly connected to the base 300, a piston rod of the pushing cylinder 302 is fixedly connected with a magnetic ring of a magnetic switch, the base 300 is provided with a first notch 303 for the piston rod of the pushing cylinder 302 to move downwards, the rotating disc 301 is provided with a second notch 304, and a spring piece 305 of the magnetic switch is arranged below the second notch 304 on the frame; the magnetic switch is that when the magnetic ring in the cylinder contacts the spring piece 305 of the magnetic switch, the energizing signal lamp is turned on, so that the oil cylinder 5 can pull the rotary disk 301 to drop. In another embodiment, the base 300 is fixedly connected with an infrared emitter base 300, a first notch 303 is formed in the base 300 for the infrared sensor to pass through, a second notch 304 is formed in the rotating disc 301, an infrared receiver is arranged below the second notch 304 on the frame, a controller is connected with signals of the infrared receiver, and signals of the controller are connected with the oil cylinder 5.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The blow molding machining center for manufacturing the LED lampshade with the bottom free of the nodes is characterized by comprising an injection molding station (1), a blow molding station (4), a rotating center (3), a molding module (2) arranged on the rotating center (3) and an oil cylinder (5) for driving the rotating center (3) to lift, wherein the injection molding station (1) is connected with an injection molding opening of an injection molding machine, an opening and closing module (6) is arranged on one side of the injection molding machine frame, the opening and closing module (6) is connected with the blow molding station (4) and controls the opening and closing of the blow molding station, and the molding module (2) is arranged in a group corresponding to the injection molding station (1) and the blow molding station (4) and is positioned above; a workbench (7) is arranged on one side of a frame of the injection molding machine, the injection molding station (1) is provided with a lower die (100) fixedly arranged on the workbench (7) and a female die (101) fixedly arranged on the lower die (100), the female die (101) is provided with an injection molding cavity (14), and the female die (101) is provided with a first oil circulation system (9); the die forming assembly (2) comprises an upper die (200) fixedly arranged at a rotating center (3), a first cylinder (201) for driving the upper die (200) to lift, a neck die (202) arranged in the upper die (200), a second cylinder (203) for opening and closing the neck die (202), a core die (204) fixedly arranged at the upper die (200) and positioned in the neck die (202), and an air source system arranged above the rotating center (3) and used for supplying air to the core die (204), wherein an oil cavity (2040) is arranged in the core die (204), the oil cavity (2040) is provided with an oil outlet, an oil guide pipe (2049) is inserted from the oil outlet, the upper end of the oil guide pipe (2049) is provided with an oil inlet, the lower end of the oil guide pipe (2049) is provided with an opening and is communicated with the oil cavity (2040), and the upper end of the oil guide pipe (2049) is provided with an oil inlet and the oil cavity (2040) is connected with a second oil circulation system; an oil plate (8) is further arranged between the female die (101) and the lower die (100), a heat-preservation oil duct is arranged in the oil plate (8), and the heat-preservation oil duct is connected with a third oil circulation system (10); the rotary center (3) comprises a base (300) arranged on the frame of the injection molding machine, a rotary disc (301) rotatably connected with the base (300), and a servo motor for driving the rotary disc (301) to rotate; an inverted pushing cylinder (302) is fixedly connected to the base (300), a piston rod of the pushing cylinder (302) is fixedly connected with a magnetic ring of a magnetic switch, a first notch (303) for the piston rod of the pushing cylinder (302) to move downwards is formed in the base (300), a second notch (304) is formed in the rotating disc (301), and a spring piece (305) of the magnetic switch is arranged below the second notch (304) in a machine frame; the magnetic switch is connected with the oil cylinder (5) through an electric signal; the infrared sensor is characterized in that an infrared emitter is fixedly connected to the base (300), a first notch (303) for the infrared sensor to pass through is formed in the base (300), a second notch (304) is formed in the rotating disc (301), an infrared receiver is arranged below the second notch (304) and in signal connection with a controller, and the controller is in signal connection with the oil cylinder (5).
2. The blow molding center for manufacturing a bottom knotless LED lamp-shade according to claim 1, wherein the first cylinder (201) is fixed at the bottom of the rotary disk (301), a piston rod of the first cylinder (201) is fixedly connected to the upper mold (200), the mouth mold (202) comprises a first clamping mold and a second clamping mold, the second cylinder (203) is fixedly connected to the first clamping mold, the piston rod of the second cylinder passes through the first clamping mold and is in sliding fit with the first clamping mold, and a penetrating end of the second cylinder (203) is fixedly connected to the inner side surface of the second clamping mold.
3. A blow molding center for manufacturing a bottom knotless LED lamp-housing according to claim 2, characterized in that the female mold (101) is provided with an oil inlet channel (1011), an oil bracket (1012) and an oil outlet channel (1013), and that oil inlet channels (1011) and oil bracket (1012) and oil outlet channels (1013) and oil bracket (1012) are each provided with an oil channel branch (1014).
4. A blow molding center for manufacturing a bottom knotless LED lamp-shade according to claim 3, characterized in that the blow molding station (4) comprises a die sleeve (400) fixedly connected to a workbench (7), and a first die clamping (401) and a second die clamping (402) which are arranged in the die sleeve (400) and are matched with each other; the opening and closing module (6) comprises a pushing cylinder (600), a guide rod (601) and a limiting block (602); the guide rod (601) is horizontally and fixedly arranged on the first die closing side (401), the pushing cylinder (600) is fixedly provided with a pushing plate (603), and the guide rod (601) penetrates through the pushing plate (603) and is in sliding fit with the pushing plate (603); the pushing plate (603) is fixedly connected with a pull rod (604) which is parallel to the guide rod (601), the pull rod (604) is fixedly connected with the second die clamping device (402), and a piston rod of the pushing cylinder (600) is fixedly connected with the first die clamping device (401); the limiting block (602) is arranged on the guide rod (601) and is positioned between the push plate (603) and the first die clamping device (401).
5. A blow molding center for manufacturing a bottom knotless LED lamp shade according to claim 4, wherein the first oil circulation system (9), the second oil circulation system, and the third oil circulation system (10) are all mold warmers (900).
6. The blow molding center for manufacturing a bottom knotless LED lamp shade according to claim 5, wherein a mating first thread portion (2020) and second thread portion (2021) are provided between the first and second clamping dies.
7. The blow molding center for manufacturing a bottom knotless LED lamp shade according to claim 6, wherein the core mold (204) comprises a core sleeve (2041) and a core rod (2042), the core sleeve (2041) is fixedly connected to the upper mold (200), an air groove (2043) is provided at the lower part of the core rod (2042), a spring groove (2044) is provided at the upper part of the core sleeve (2041), a copper sleeve (2045) and a spring are provided in the spring groove (2044), an annular step against which the copper sleeve (2045) is abutted is provided at the core rod (2042), and the spring is abutted against the bottom of the spring groove (2044) and the annular step; the copper sleeve (2045) is provided with an air inlet hole (2046) and an air outlet hole (2047), and the air inlet hole (2046) and the air outlet hole (2047) are communicated with the spring groove (2044).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531462.9A CN110281507B (en) | 2019-06-19 | 2019-06-19 | Blow molding machining center for manufacturing LED lamp shade with no junction at bottom |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910531462.9A CN110281507B (en) | 2019-06-19 | 2019-06-19 | Blow molding machining center for manufacturing LED lamp shade with no junction at bottom |
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| CN110281507B true CN110281507B (en) | 2024-03-26 |
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| CN111452336B (en) * | 2020-04-10 | 2020-11-17 | 成都万友滤机有限公司 | Blow molding die for air guide pipe and blow molding method thereof |
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| JPH04288213A (en) * | 1991-03-18 | 1992-10-13 | Nachi Fujikoshi Corp | Method and apparatus for injection molding |
| CN207359484U (en) * | 2017-04-01 | 2018-05-15 | 中山市高泽模具有限公司 | A kind of injection mold for injection molding machine |
| CN108327172A (en) * | 2018-02-07 | 2018-07-27 | 海宁双迪电子照明有限公司 | A kind of lighting lamp shade injection molding mixing plant |
| CN210390080U (en) * | 2019-06-19 | 2020-04-24 | 嘉兴康德照明器材有限公司 | Blow molding machining center for manufacturing bottom-node-free LED lampshade |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040032043A1 (en) * | 2002-08-15 | 2004-02-19 | Woolford Michael E. | Integral core puller/mold technology |
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| JPH04288213A (en) * | 1991-03-18 | 1992-10-13 | Nachi Fujikoshi Corp | Method and apparatus for injection molding |
| CN207359484U (en) * | 2017-04-01 | 2018-05-15 | 中山市高泽模具有限公司 | A kind of injection mold for injection molding machine |
| CN108327172A (en) * | 2018-02-07 | 2018-07-27 | 海宁双迪电子照明有限公司 | A kind of lighting lamp shade injection molding mixing plant |
| CN210390080U (en) * | 2019-06-19 | 2020-04-24 | 嘉兴康德照明器材有限公司 | Blow molding machining center for manufacturing bottom-node-free LED lampshade |
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| CN110281507A (en) | 2019-09-27 |
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