CN113815222A - Piston type hot bending forming equipment - Google Patents
Piston type hot bending forming equipment Download PDFInfo
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- CN113815222A CN113815222A CN202111113015.5A CN202111113015A CN113815222A CN 113815222 A CN113815222 A CN 113815222A CN 202111113015 A CN202111113015 A CN 202111113015A CN 113815222 A CN113815222 A CN 113815222A
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- atmospheric pressure
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- 238000013003 hot bending Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 19
- 230000001276 controlling effect Effects 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 31
- 238000001816 cooling Methods 0.000 abstract description 13
- 239000000428 dust Substances 0.000 abstract description 5
- 238000006748 scratching Methods 0.000 abstract description 2
- 230000002393 scratching effect Effects 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 52
- 239000011797 cavity material Substances 0.000 description 30
- 239000012528 membrane Substances 0.000 description 13
- 238000003825 pressing Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
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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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/04—Bending or folding of plates or sheets
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
- B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/20—Opening, closing or clamping
- B29C33/22—Opening, closing or clamping by rectilinear movement
- B29C33/24—Opening, closing or clamping by rectilinear movement using hydraulic or pneumatic 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/84—Heating or cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a piston type hot bending forming device, which comprises a workbench, a forming frame, a bottom plate, a lower mold cavity, a lower mold core, an upper mold core, a mold opening and closing cylinder, an operating platform, a lifting cylinder, a piston cylinder, a sealing plate, a mold opening and closing air pressure component, an extrusion component and a heating component, wherein when the piston type hot bending forming device is used, the mold opening and closing air pressure component controls the mold opening and closing cylinder to open and close a mold, so that the yield of products is ensured, the constant temperature is kept after one-time heating, the production period of the products is shortened, the production cost is reduced, the whole device does not need a cooling system, the manufacturing time is short, the cost is lower, the mold locking force is larger when the products are formed, the mold cannot leak, the product size can be ensured, the product production yield is higher, the product production cost is lower, and then the extrusion component controls the lifting cylinder to press down, so that the gas in a closed space downwards extrudes a film sheet, the film is extruded uniformly downwards by air pressure to form, so that the risks of scratching, orange peel lines and dust spots on the surface of the formed film caused by extruding the film by the upper mold core are greatly reduced.
Description
Technical Field
The invention relates to the technical field of hot bending forming equipment, in particular to piston type hot bending forming equipment.
Background
At present, the existing forming of the diaphragm generally adopts a common hot bending forming structure, namely, a die is matched with an upper die and a lower die. This type of forming has the following disadvantages: 1, when the die is closed, the upper die core directly contacts the diaphragm and extrudes the diaphragm to form a product. The risk that the membrane is crushed by the upper mould core to scratch the surface of the membrane and generate dust points exists, and orange peel lines exist after the product is made. And 2, opening and closing the die by using two small cylinders. When the product is molded, the mold locking force is insufficient, the membrane cannot be pressed, the mold leaks air, and the product size cannot be guaranteed. The product production yield is low, and the product production cost is high. And 3, after the diaphragm is formed, cooling the diaphragm by opening the cooling water path, cooling and shaping the diaphragm, and taking out the diaphragm after the temperature is reduced to a certain degree. And then the mould is heated again, when the temperature reaches the temperature required by product molding, the film is put in to be used for manufacturing the next product in a circulating way, the production period of the product is too long, and the production cost is higher. 4, a finished product for producing the hot bending membrane, a set of equipment, three main parts of a hot bending forming die, a heating system and a cooling system are needed, the manufacturing time of the set of equipment is long, and the manufacturing cost is high.
Disclosure of Invention
The invention aims to provide a piston type hot bending forming device which is pressed downwards by a piston to enable gas in a closed space to downwards extrude a diaphragm for forming, so that the risks of scratching, orange peel lines and dust points on the surface of a formed diaphragm caused by extruding the diaphragm by an upper mold core are reduced, the product yield is ensured by effectively preventing gas leakage of a mold, constant-temperature production is kept after one-time heating, the product is formed without cooling, the whole production cycle of the product is greatly shortened, the production cost is reduced, the whole device does not need a cooling system, the manufacturing time is short, and the cost is lower.
In order to solve the technical problem, the invention is solved by the following technical scheme:
a piston type hot bending forming device comprises a workbench, a forming frame is arranged at the upper end of the workbench, a bottom plate is arranged in the forming frame, a lower mold cavity is arranged at the upper end of the bottom plate, a lower mold core is arranged at the upper end of the lower mold cavity, an upper mold core is arranged at the upper end of the lower mold core in a matching manner, mold opening and closing cylinders are arranged at two ends between the upper mold core and the workbench, an operation table is arranged at the upper end of the forming frame, a lifting cylinder is arranged in the middle of the operation table, the output end of the lifting cylinder is connected with a piston, a piston cylinder is sleeved outside the piston, a sealing plate in sealing connection with the upper mold core is arranged at the bottom end of the piston cylinder, the operation table is respectively connected with a mold opening and closing air pressure assembly and an extrusion assembly for forming a product, a heating assembly is arranged in the lower mold cavity and comprises a water heater, the output end of the water heater is connected with a water channel in the lower mold cavity through a water pipe, and a temperature sensing line is connected in the lower mold cavity, the other end of the temperature sensing line is connected with the operating platform.
Preferably, the extrusion subassembly includes that one end connects the first intake pipe that the air supply is connected, and the output of first intake pipe is connected with the first atmospheric pressure converter of locating in the operation panel, and the output of atmospheric pressure converter is equipped with first gas-supply pipe, atmospheric pressure lift control pipe and the blast pipe of being connected with lift cylinder, first intake pipe with all be equipped with the atmospheric pressure governing valve on the first gas-supply pipe.
Further preferably, the mould atmospheric pressure subassembly that opens and shuts includes that one end connects the second intake pipe that the air supply is connected, and the output of second intake pipe is connected with the second atmospheric pressure converter of locating the workstation upper end, and the output of second atmospheric pressure converter is equipped with and opens and shut the second gas-supply pipe that the mould cylinder is connected, be equipped with the atmospheric pressure adjustment handle on the second atmospheric pressure converter.
Further preferably, the heating assembly comprises an electric heating tube which is arranged in the lower mold cavity and electrically connected with the operating platform.
Further preferably, the operation platform comprises a temperature display meter, an air pressure lifting switch for controlling the lifting cylinder to press down, a main switch and an air pressure display meter.
Further preferably, a sealing ring is arranged between the bottom end of the piston cylinder and the upper die core.
Further preferably, the material of the lower mold cavity is S136 die steel.
The invention has the beneficial effects that: the mold comprises a workbench, a forming frame is arranged at the upper end of the workbench, a bottom plate is arranged in the forming frame, a lower mold cavity is arranged at the upper end of the bottom plate, a lower mold core is arranged at the upper end of the lower mold cavity, an upper mold core is arranged at the upper end of the lower mold core in a matching manner, mold opening and closing cylinders are arranged at two ends between the upper mold core and the workbench, an operation table is arranged at the upper end of the forming frame, a lifting cylinder is arranged in the middle of the operation table, the output end of the lifting cylinder is connected with a piston, a piston cylinder is sleeved outside the piston, a sealing plate hermetically connected with the upper mold core is arranged at the bottom end of the piston cylinder, the operation table is respectively connected with a mold opening and closing air pressure assembly and an extrusion assembly for forming a product, and a heating assembly is arranged in the lower mold cavity. Mold locking force is great during product shaping, the mould can not leak gas, the product size can be guaranteed, guarantee the product yields, keep constant temperature production after heating through once, need not make the product design through cooling down after the product shaping, very big whole production cycle who has shortened the product, production cost is reduced, the complete equipment does not need cooling system, short in manufacturing time, the cost is lower, push down through extrusion subassembly control lift cylinder, make the gaseous film of extruding downwards in the inclosed space, lean on the gaseous more even film of extruding of atmospheric pressure downwards shaping, greatly reduced because of last mould benevolence film of extruding, make shaping diaphragm surface produce scrape the flower, produce orange dermatoglyph, produce the risk of dirt point.
Drawings
FIG. 1 is a cross-sectional view of the present invention using water temperature machine heating.
FIG. 2 is a schematic view of the present invention using a water temperature machine for heating.
Fig. 3 is a sectional view of the present invention heated by a heating wire.
Fig. 4 is a schematic view of the heating wire heating structure according to the present invention.
Reference numerals
1. The device comprises a workbench, 2, a forming frame, 3, a bottom plate, 4, a lower die cavity, 5, a lower die core, 6, a die opening and closing cylinder, 7, an operation table, 8, a lifting cylinder, 9, a piston, 10, a piston cylinder, 11, a sealing plate, 12, a first air inlet pipe, 13, a second air inlet pipe, 14, a second air pressure converter, 15, a second air delivery pipe, 16, an air pressure adjusting handle, 17, a water temperature machine, 18, a temperature sensing line, 19 and an electric heating pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1-4, a piston 10 type hot bending forming apparatus comprises a workbench 1, a forming frame 2 is arranged at the upper end of the workbench 1, a bottom plate 3 is arranged in the forming frame 2, a lower mold cavity 4 is arranged at the upper end of the bottom plate 3, a lower mold core 5 is arranged at the upper end of the lower mold cavity 4, an upper mold core 6 is arranged at the upper end of the lower mold core 5 in a matching manner, opening and closing cylinders 7 are respectively arranged at two ends between the upper mold core 6 and the workbench 1, an operation table 8 is arranged at the upper end of the forming frame 2, a lifting cylinder 9 is arranged in the middle of the operation table 8, the output end of the lifting cylinder 9 is connected with a piston 10, a piston cylinder 11 is sleeved outside the piston 10, a sealing plate 12 which is hermetically connected with the upper mold core 6 is arranged at the bottom end of the piston cylinder 11, the operation table 8 is respectively connected with an opening and closing air pressure assembly and an extrusion assembly for forming a product, a heating assembly is arranged in the lower mold cavity 4, a sealing ring is arranged between the bottom end of the piston cylinder 11 and the upper mold core 6, when the invention is used, when the actual temperature in the die reaches the product forming temperature through the heating assembly and is stabilized, the die opening and closing air cylinder 7 is controlled by the die opening and closing air pressure assembly to open and close the die, the die locking force is larger during product forming, air leakage does not occur in the die, the product size can be ensured, the product yield is ensured, the constant-temperature production is kept after one-time heating, the product is shaped without cooling after product forming, the whole production period of the product is greatly shortened, the production cost is reduced, the whole set of equipment does not need a cooling system, the manufacturing time is short, the cost is lower, the lifting air cylinder 9 is controlled by the extrusion assembly to press down, the air in the closed space downwards extrudes the film, the film is extruded and formed downwards uniformly by the air pressure, and the scratches generated on the surface of the formed film due to the extrusion of the upper die core 6 are greatly reduced, The risk of orange peel lines and dust spots.
In this embodiment, the extrusion assembly comprises a first air inlet pipe with one end connected with an air source, the output end of the first air inlet pipe is connected with a first air pressure converter arranged in the operation table 8, the output end of the air pressure converter is provided with a first air delivery pipe 13 connected with the lifting cylinder 9, an air pressure lifting adjusting pipe and an exhaust pipe, the first air inlet pipe and the first air delivery pipe 13 are both provided with air pressure adjusting valves, the operation table 8 comprises a temperature display meter, an air pressure lifting switch for controlling the lifting cylinder 9 to press down, a master switch and an air pressure display meter, the air inlet pipe of the lifting cylinder 9 is provided with an upper air inlet switch and a lower pressure relief switch, the top cylinder drives the piston 10 to lift, the speed of pressing down the piston 10 is controlled by the air pressure adjusting valve on the air pipe connected with the top lifting cylinder 9, when the piston 10 descends, the air pressure in the closed space is extruded downwards, the product is molded in the upper mold core 6 and the lower mold core 5 by pressing the air pressure downwards, and the lifting action of the piston 10 is controlled by an air pressure lifting switch on the operating platform 8. Before each product is formed, a pressure relief switch connected with an air pressure regulating valve of the piston 10 is closed, an air inlet switch at the air inlet end of the piston 10 is opened, the piston 10 returns upwards by pressing an air pressure lifting switch on the operating platform 8 so as to ensure that air does not leak in the process of pressing down the piston 10, after the product is formed, the air inlet switch of the piston 10 is closed, the pressure relief switch is opened for pressure relief, the upper die and the lower die can be opened by using the handle, and then the membrane is taken out.
In this embodiment, the mold opening and closing air pressure assembly includes a second air inlet pipe 14 connected to an air source at one end, an output end of the second air inlet pipe 14 is connected to a second air pressure converter 15 arranged at an upper end of the workbench 1, an output end of the second air pressure converter 15 is provided with a second air delivery pipe 16 connected to the mold opening and closing air cylinder 7, the second air pressure converter 15 is provided with an air pressure adjusting handle 17, and when the mold opening and closing is performed, the mold opening and closing is controlled by two mold opening and closing air cylinders 7 arranged at left and right ends of the lower mold core 5. The mold opening and closing cylinder 7 is connected with a second air inlet pipe 14 and a second air conveying pipe 16, and air enters the mold opening and closing cylinder 7 by swinging the air pressure adjusting handle 17, so that mold opening and closing actions are realized.
As shown in fig. 2, in this embodiment, the heating assembly includes a water temperature machine 18, an output end of the water temperature machine 18 is connected to a water path in the lower mold cavity 4 through a water pipe, a temperature sensing line 19 is connected to the lower mold cavity 4, and the other end of the temperature sensing line 19 is connected to the console 8, so that when the heating assembly is used, hot water flows out of the water temperature machine 18 and flows into the water path of the mold to heat the lower mold cavity 4, the lower mold cavity 4 is connected to the temperature sensing line 19, the other end of the temperature sensing line 19 is connected to a temperature display meter, and the real-time temperature of the mold is displayed by the temperature display meter; the actual temperature of the mould is adjusted by adjusting the temperature of the water temperature machine 18. When the actual temperature of the die reaches the temperature required by product molding and is stabilized, the production and manufacturing of the product can be carried out.
The working process of the invention is as follows: connecting a water pipe of a water temperature machine 18, communicating the water pipe with a mold waterway, connecting air pipes of a left opening and closing air cylinder 7 and an air pressure adjusting handle 17, connecting air pipes of a top lifting air cylinder 9, switching on a console, starting the water temperature machine 18, setting the temperature to be 86 ℃, enabling hot water to flow into the mold waterway from the water temperature machine 18, heating the mold, and resetting the temperature of the water temperature machine 18 according to the actual temperature of the water temperature machine 18 at the moment and keeping the temperature unchanged until a thermometer connected with the mold shows 80 ℃ and is stable; then, the upper and lower mold kernels 5 are opened by using a pressure adjusting handle 17, a membrane is placed in the upper and lower mold kernels, the upper and lower mold kernels are closed by using the handle, and the membrane is continuously heated for 12-15 minutes at a constant temperature of 80 degrees plus or minus 1 degree; pressing an air pressure lifting switch on the operating platform 8 to enable the piston 10 to be pressed downwards, controlling the time for pressing the piston 10 to be just enough to enable a product to be molded by using an air pressure regulating valve, and continuously keeping the pressure for 3-5 minutes after the piston 10 is pressed to the bottom; closing an air inlet switch of the piston 10, and opening a pressure relief switch to relieve pressure; opening the upper and lower dies by using a handle, and taking out the membrane; the pressure relief switch of the piston 10 is closed, the air inlet switch of the piston 10 is opened, and the piston 10 returns upwards according to the air pressure lifting switch on the operating platform 8. Putting a new diaphragm again, and then closing the upper die and the lower die by using the handle; the above operations are repeated.
The die cavity material is S136 material, the hardness of the material after heat treatment can reach HRC48-52 degrees, and the service life is longer. And the S136 material has the physical properties of good surface smoothness and good polishing, and the mirror surface can completely meet the material requirements of optical lenses after being polished. The production yield of the product is improved, and the product cost is reduced to a great extent.
In this embodiment, the heating assembly includes an electric heating tube 20 disposed in the lower mold cavity 4 and electrically connected to the operation table 8, and the mold can be heated by the heating tube.
Compared with the prior art, the invention 1 adopts the mode that the piston 10 is pressed down, the piston 10 compresses the gas in the closed space, and the gas presses the membrane downwards to form the product. The upper die core 6 is not needed, the piston 10 is directly used for replacing the upper die core 6, and the membrane is not directly contacted, so that the risk of scraping the surface of the membrane and generating dust points due to the fact that the membrane is extruded by the upper die core 6 is reduced; the invention only needs to be heated for the first time, which is about 25 minutes, then keeps the temperature, does not need to be cooled to make the product shaped, saves the time that each product needs to be heated again, which is about 25 minutes, greatly shortens the production period of the whole product, and reduces the production cost of the product; a whole set of equipment for producing hot-bending membrane finished products only needs a hot-bending forming die, a heating system and two main parts, and does not need a cooling system. The whole set of equipment has short manufacturing time and low manufacturing cost.
The conventional materials and forming conditions used for the product are as follows:
1. PET material:
0.15-0.3mm thick PET material, using a piston 10 type hot roll former to shape the material.
And (3) molding, namely heating the mold cavity to 80-85 ℃, putting the PET sheet, and continuously heating for 10-15 minutes in an environment of 80-85 ℃. Then, the piston 10 is pressed down to press the sheet material into the shape of the mold core to form the desired product. The pressure is maintained for 3-5 minutes and the product is removed. The maximum air pressure in the cavity is 0.35-0.5MP when the product is formed.
2. PC material:
0.15-0.3mm thick PC material, using a piston 10 type hot roll forming apparatus to form the material.
And (3) molding conditions, namely heating the mold cavity to 110-120 ℃, putting the mold cavity into the PC sheet, and continuously heating the mold cavity for 35-45 minutes in an environment of 110-120 ℃. Then, the piston 10 is pressed down to press the sheet material into the shape of the mold core to form the desired product. Keeping the pressure for 3-5 minutes, cooling the mold to 40 ℃ (optionally cooling by using a mold waterway) to shape the product, and taking out the product. The maximum air pressure in the cavity is 0.5-0.7MP when the product is formed.
3. PMMA material:
0.5-0.6mm thick PMMA material, using a piston 10 type hot roll forming apparatus to form the material. And (3) under the molding condition, heating the mold cavity to the temperature of 130-150 ℃, putting the mold cavity into the PMMA sheet, and continuously heating the mold cavity for 80-90 minutes in the environment of 130-150 ℃. Then, the piston 10 is pressed down to press the sheet material into the shape of the mold core to form the desired product. The pressure is maintained for 3-5 minutes and the product is removed. The maximum air pressure in the cavity is 0.6-0.8MP when the product is formed.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (7)
1. A piston type hot bending forming equipment is characterized in that: comprises a workbench, a forming frame is arranged at the upper end of the workbench, a bottom plate is arranged in the forming frame, a lower mold cavity is arranged at the upper end of the bottom plate, a lower mold core is arranged at the upper end of the lower mold cavity, an upper mold core is arranged at the upper end of the lower mold core in a matching manner, mold opening and closing cylinders are arranged at two ends between the upper mold core and the workbench, an operating platform is arranged at the upper end of the forming frame, a lifting cylinder is arranged in the middle of the operating platform, the output end of the lifting cylinder is connected with a piston, a piston cylinder is sleeved outside the piston, a sealing plate which is connected with the upper mold core in a sealing manner is arranged at the bottom end of the piston cylinder, the operating platform is respectively connected with an open-close die air pressure assembly and an extrusion assembly for forming a product, a heating assembly is arranged in the lower die cavity, the heating assembly comprises a water temperature machine, the output end of the water temperature machine is connected with a water path in the lower die cavity through a water pipe, a temperature sensing line is connected in the lower die cavity, and the other end of the temperature sensing line is connected with the operating platform.
2. A piston hot roll forming apparatus as in claim 1, wherein: the extrusion subassembly includes that one end connects the first intake pipe that the air supply is connected, and the output of first intake pipe is connected with the first atmospheric pressure converter of locating in the operation panel, and the output of atmospheric pressure converter is equipped with first gas-supply pipe, atmospheric pressure lift control pipe and the blast pipe of being connected with lift cylinder, first intake pipe with all be equipped with the air pressure regulating valve on the first gas-supply pipe.
3. A piston hot roll forming apparatus as in claim 1, wherein: the mould atmospheric pressure subassembly that opens and shuts includes that one end connects the second intake pipe that the air supply is connected, and the output of second intake pipe is connected with the second atmospheric pressure converter of locating the workstation upper end, and the output of second atmospheric pressure converter is equipped with and opens and shut the second gas-supply pipe that the mould cylinder is connected, be equipped with the atmospheric pressure adjustment handle on the second atmospheric pressure converter.
4. A piston hot roll forming apparatus as in claim 1, wherein: the heating component comprises an electric heating tube which is arranged in the lower die cavity and is electrically connected with the operating platform.
5. A piston hot roll forming apparatus as in claim 1, wherein: the operation panel comprises a temperature display meter, an air pressure lifting switch for controlling the lifting cylinder to press down, a main switch and an air pressure display meter.
6. A piston hot roll forming apparatus as in claim 1, wherein: and a sealing ring is arranged between the bottom end of the piston cylinder and the upper die core.
7. A piston hot roll forming apparatus as in claim 1, wherein: the material of the lower mold cavity is S136 mold steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111113015.5A CN113815222A (en) | 2021-09-18 | 2021-09-18 | Piston type hot bending forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111113015.5A CN113815222A (en) | 2021-09-18 | 2021-09-18 | Piston type hot bending forming equipment |
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| CN113815222A true CN113815222A (en) | 2021-12-21 |
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|---|---|---|---|
| CN202111113015.5A Pending CN113815222A (en) | 2021-09-18 | 2021-09-18 | Piston type hot bending forming equipment |
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2021
- 2021-09-18 CN CN202111113015.5A patent/CN113815222A/en active Pending
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|---|---|---|---|---|
| JPH11226973A (en) * | 1998-02-18 | 1999-08-24 | Bridgestone Corp | Method for molding foamed synthetic resin molding |
| JP2002347094A (en) * | 2001-05-25 | 2002-12-04 | Japan Steel Works Ltd:The | Apparatus and method for heating mold for molding |
| EP1486313A1 (en) * | 2003-06-13 | 2004-12-15 | Adolf Illig Maschinenbau GmbH & Co. KG | Apparatus for thermoforming of thermoplastic container |
| CN107053642A (en) * | 2017-05-27 | 2017-08-18 | 深圳市鑫多达科技有限公司 | Manufacture the hot-bending machine of curved surface film |
| CN107160650A (en) * | 2017-06-22 | 2017-09-15 | 四川湘邻科技有限公司 | A kind of method of bloom injection |
| CN208247441U (en) * | 2018-05-24 | 2018-12-18 | 蓝思科技（长沙）有限公司 | A kind of bending apparatus |
| CN211994169U (en) * | 2020-03-10 | 2020-11-24 | 宜宾轩驰智能科技有限公司 | Hot bending forming system |
| CN112776311A (en) * | 2020-12-25 | 2021-05-11 | 宁波诚德兴汽车饰件有限公司 | IMD cylinder type hot-pressing forming die |
| CN215745665U (en) * | 2021-09-18 | 2022-02-08 | 东莞市源冠科技有限公司 | Piston type hot bending forming equipment |
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Application publication date: 20211221 |
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