CN117774280B - Thermoforming processing method - Google Patents
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- CN117774280B CN117774280B CN202410213189.6A CN202410213189A CN117774280B CN 117774280 B CN117774280 B CN 117774280B CN 202410213189 A CN202410213189 A CN 202410213189A CN 117774280 B CN117774280 B CN 117774280B
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- 238000003856 thermoforming Methods 0.000 title claims abstract description 34
- 238000003672 processing method Methods 0.000 title abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 121
- 238000003825 pressing Methods 0.000 claims abstract description 81
- 238000010438 heat treatment Methods 0.000 claims abstract description 49
- 238000012545 processing Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims description 16
- 230000033001 locomotion Effects 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000001360 synchronised effect Effects 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 239000000047 product Substances 0.000 description 21
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000000748 compression moulding Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010057 rubber processing Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The application relates to a thermoforming processing device and a thermoforming processing method, which are applied to the technical field of thermoforming processing, wherein a machine frame is provided with a processing station, a clamping device for clamping a material ring side, a heating device for heating a material at the clamping device, a lower die device for jacking upwards to shape the material at the clamping device and a frame pressing device; the clamping device is arranged on the processing station; the lower die device comprises a lower die, and a plurality of vacuum suction holes are formed in the lower die; the frame pressing device comprises a movable frame pressing and a first driving assembly for driving the frame pressing to move. When the lower die is lifted, the material is lifted together with the lower die, and after the material is lifted, the annular side of the material is fixed through the movable pressing frame, so that the uniformity of the side wall of the finished product is better, and the bottom of the finished product is kept to be at a required thickness.
Description
Technical Field
The application relates to the technical field of thermoforming processing, in particular to a thermoforming processing method.
Background
Thermoforming is a relatively special plastic processing method that processes thermoplastic sheets into various articles, where the sheets are clamped to a frame and heated to a softened state, and under the influence of an external force, brought into close contact with the mold's profile to achieve a shape that is similar to the profile. Cooling and shaping, and trimming to obtain the final product. This process is also used for rubber processing. In recent years, thermoforming has made new developments, such as continuous production techniques from extruded sheet to thermoforming.
When the prior thermoforming is used for manufacturing products with larger sizes through thick plates, the annular sides of the thick plates are clamped when the lower die moves upwards, so that the thick plates are stretched, and the uniformity of the side walls of the products is poor, particularly the bottom is thinner. In order to ensure that the thickness of the bottom of the product meets the design requirement, the thickness of the material is generally increased to solve the problem of thinner wall thickness, so that the raw material purchase cost and the processing cost are additionally increased.
In view of the foregoing, there is a need for a thermoforming process that solves the above-mentioned problems.
Disclosure of Invention
In order to help solve the problems in the prior art, the application provides a thermoforming processing method, which adopts the following technical scheme: comprising the following steps: the machine frame is provided with a processing station, a clamping device for clamping the side of a material ring, a heating device for heating the material at the clamping device, a lower die device for jacking upwards to form the material at the clamping device and a frame pressing device;
The clamping device is arranged on the processing station;
The lower die device comprises a lower die, and a plurality of vacuum suction holes are formed in the lower die;
the frame pressing device comprises a movable frame pressing device and a first driving assembly, wherein the first driving assembly is used for driving the movable frame pressing device to move;
When the lower die device is jacked up, the clamping device releases the clamping of the material ring side, and the driving assembly drives the movable pressing frame to move downwards so as to press the material ring side on the processing station.
Through above-mentioned technical scheme, during the use, clamping device is with material ring side centre gripping, after heating device heats the material, when the bed die device jack-up upwards, clamping device releases the centre gripping to the material, make the material after heating softening rise and wrap up on the bed die along with the bed die, then first drive assembly drive activity dynamic frame moves down, press material ring side pressure on the processing station, then adsorb the material through the vacuum suction hole on the bed die, make the material laminating on the bed die, wait that the material cools off, take out the finished product, when rising through the bed die, the material rises along with the bed die, and after the material is jacked up, fix material ring side through the activity dynamic frame, make the degree of consistency of the lateral wall of finished product better, the bottom keeps certain thickness.
In a specific embodiment, the processing station includes a mounting plate, and the mounting plate is provided with a movable hole for moving the lower die device.
Through above-mentioned technical scheme, processing station is used for placing the material, and the bed die is followed movable hole department and is used for the shaping material.
In a specific implementation manner, the clamping device comprises a plurality of clamping components which are matched with each other to clamp the material ring side, the clamping components comprise a placing plate, a fixed clamping plate, a movable clamping plate, a control shaft and a second driving component for driving the control shaft to rotate, the placing plate is arranged on the mounting plate in a sliding manner, the fixed clamping plate is arranged on the placing plate, the control shaft is arranged on the placing plate in a rotating manner, and the movable clamping plate is connected with the control shaft;
The movable clamping plate and the fixed clamping plate are arranged in parallel, and when the second driving assembly drives the control shaft to rotate, the movable clamping plate is far away from or close to the fixed clamping plate.
Through above-mentioned technical scheme, adopt a plurality of clamping components to carry out the centre gripping to the ring side of material, when the centre gripping material, place the material ring side on a plurality of fixed splint, second drive assembly drive control axle rotates, makes movable splint be close to fixed splint, until the centre gripping material.
In a specific embodiment, the heating device comprises two heating mechanisms, the heating mechanisms comprise a heating component, a sliding rail and a third driving component, the sliding rail is arranged on the rack, and the heating component is arranged on the sliding rail in a sliding way;
when the material at the clamping device is required to be heated, the two third driving assemblies drive the corresponding heating assemblies to slide, so that the two heating assemblies are respectively arranged at the upper side and the lower side of the material.
Through above-mentioned technical scheme, adopt two heating mechanism to heat the upper and lower two sides of material respectively, during the heating, third drive assembly drive corresponds heating element and slides, makes two heating element arrange the upper and lower both sides of material respectively in, heats the upper and lower both sides of material in step, makes the material be heated evenly.
In a specific embodiment, the lower die device further includes a lifting platform, a plurality of guide rods and a fourth driving assembly for driving the lifting platform to do lifting motion, the guide rods are vertically arranged at the bottom of the processing station, the lifting platform is slidably arranged on the guide rods, and the lower die is arranged on the lifting platform.
Through the technical scheme, during molding, the fourth driving assembly drives the lifting platform to move upwards, so that the lower die moves upwards, passes through the movable hole and jacks up the material upwards, and the material is molded.
In a specific embodiment, the movable pressing frame includes two parallel synchronization plates, two parallel first pressing plates and two parallel second pressing plates, two ends of the two first pressing plates are respectively connected with the two synchronization plates, and two ends of the two second pressing plates are respectively connected with the two first pressing plates.
Through above-mentioned technical scheme, adopt two first clamp plates and two second clamp plates to constitute rectangular frame, drive two synchronizing plates through first drive assembly and make elevating movement in step, make drive rectangular frame make elevating movement for cooperate with the mounting panel, centre gripping material ring side once more.
In a specific implementation manner, the second pressing plate comprises two pressing plate sleeves and a sliding pressing plate, one ends of the two pressing plate sleeves, which are far away from each other, are respectively connected with the corresponding first pressing plate in a sliding manner, sliding grooves matched with the sliding pressing plate are respectively formed in one ends of the two pressing plate sleeves, which are close to each other, and two ends of the sliding pressing plate are respectively arranged in the two sliding grooves in a sliding manner;
Two ends of the two first pressing plates are in sliding connection with the corresponding synchronous plates.
Through above-mentioned technical scheme, adopt two first clamp plates to slide and set up on two synchronizing plates, and clamp plate cover and first clamp plate sliding connection, the cooperation can flexible second clamp plate, make the size and the position that can adjust rectangular frame to adapt to the production of different products.
In a specific embodiment, the first driving assembly includes a plurality of cylinders, and output ends of the cylinders are respectively provided with a connecting rod, and bottom ends of the connecting rods are connected with corresponding synchronous plates.
Through the technical scheme, a plurality of cylinders are adopted to drive two synchronous plates to do lifting motion, so that the movable press frame can move more stably.
In a specific implementation mode, the frame pressing device further comprises a synchronizing mechanism, the synchronizing mechanism comprises four racks, two first synchronizing shafts and two second synchronizing shafts, the four racks are all arranged on the frame in a sliding mode, the bottoms of the four racks are connected with corresponding synchronizing plates respectively, two toothed rings are sleeved on the first synchronizing shafts respectively, the two toothed rings are meshed with the two racks on the same side of the two synchronizing plates, the two second synchronizing shafts are arranged on the frame, bevel gears are arranged at two ends of the two first synchronizing shafts and the two second synchronizing shafts respectively, the two first synchronizing shafts and the two second synchronizing shafts are arranged in a rectangular mode, and two adjacent bevel gears are meshed.
Through the technical scheme, two first synchronous shafts are adopted to respectively keep two corresponding racks to synchronously move, and two second synchronous shafts are adopted to keep the two ends of the two first synchronous shafts to synchronously move, so that the movable pressing frame stably moves up and down, the inclination is avoided, and the material ring side cannot be pressed.
In a specific implementation manner, the frame is further provided with an upper die frame device, the upper die frame device comprises a mounting bracket, an upper die frame, a plurality of sliding rods and a fifth driving assembly, the mounting bracket is arranged above the mounting plate, the sliding rods are arranged on the mounting bracket in a sliding mode, the upper die frame is arranged at the bottom ends of the sliding rods, the fifth driving assembly is used for driving the upper die frame to do lifting motion, and the upper die frame is provided with an upper die.
Through the technical scheme, when the top surface of the material is required to be molded, the lower die moves upwards, the clamping of the material is relieved simultaneously, the fifth driving assembly drives the upper die frame to move downwards, the softened material rises along with the lower die, the lower die is wrapped, and the upper die frame is pressed downwards. When the upper die and the lower die are closed, the movable pressing frame moves downwards, and after the product is shaped and cooled, the product is taken out so as to adapt to different thermoforming processes.
A thermoforming processing method comprises the following steps:
the clamping device clamps the material ring side;
the heating device is used for heating the material at the clamping device;
after the material is heated, when the lower die device is jacked up, the clamping device releases the clamping of the material ring side;
When the lower die device stops, the first driving component drives the movable pressing frame to move downwards, so that the material ring is pressed on the processing station in a lateral pressure mode;
the lower die adsorbs materials on the lower die through a plurality of vacuum suction holes;
And cooling the material after molding, and taking out the finished product.
In summary, during the use, clamping device is with material ring side centre gripping, after heating device heats the material, when the bed die device jack-up upwards, clamping device releases the centre gripping to the material, make the material after the heat softening rise along with the bed die and wrap up on the bed die, then first drive assembly drive movable dynamic frame moves down, with material ring side pressure on the processing station, then adsorb the material through the vacuum suction hole on the bed die, make the material laminating on the bed die, wait that the material cools off, take out the finished product, when rising through the bed die, the material rises along with the bed die one, make the degree of consistency of the lateral wall of finished product better, the required thickness is kept to the bottom.
Drawings
Fig. 1 is a schematic overall structure of a first embodiment of the present application.
Fig. 2 is a schematic structural diagram of related structures inside a rack according to a first embodiment of the present application.
Fig. 3 is a schematic structural view of a clamping assembly according to a first embodiment of the present application.
Fig. 4 is a schematic structural view of a lower die apparatus according to a first embodiment of the present application.
Fig. 5 is a schematic structural diagram of a medium voltage frame device according to an embodiment of the application.
Fig. 6 is an enlarged schematic view of the structure at a in fig. 5.
Fig. 7 is a schematic structural diagram of an upper mold frame device according to an embodiment of the application.
Reference numerals: 1. a clamping device; 11. placing a plate; 12. a fixed clamping plate; 13. a movable clamping plate; 14. a control shaft; 2. a heating device; 21. a heating assembly; 22. a slide rail; 3. a lower die device; 31. a lower die; 32. a lifting table; 33. a guide rod; 4. moving the press frame; 41. a synchronizing plate; 42. a first platen; 43. a pressing plate sleeve; 44. a sliding pressure plate; 5. a mounting plate; 6. a cylinder; 61. a connecting rod; 7. a synchronizing mechanism; 71. a rack; 72. a first synchronization shaft; 73. a second synchronizing shaft; 74. a toothed ring; 75. bevel gears; 8. a die carrier device; 81. a mounting bracket; 82. a die carrier is arranged; 83. a sliding rod.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It is noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of the present application and in the foregoing figures, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or device.
The application is described in further detail below in connection with fig. 1-6.
1-5, A thermoforming process comprising: the machine frame is provided with a processing station, a clamping device 1 for clamping the side of a material ring, a heating device 2 for heating the material at the clamping device 1, a lower die device 3 for jacking upwards to form the material at the clamping device 1 and a frame pressing device; the clamping device 1 is arranged on a processing station, the processing station comprises a mounting plate 5, and a movable hole for the lower die device 3 to move is formed in the mounting plate 5; the lower die device 3 comprises a lower die 31, and a plurality of vacuum suction holes are formed in the lower die 31; the frame pressing device comprises a movable frame pressing 4 and a first driving component for driving the frame pressing to move; so, during the use, clamping device 1 is with material ring side centre gripping, after heating device 2 heats the material, when bed die device 3 jack-up upwards, clamping device 1 releases the centre gripping to the material, make the material after the heating softening rise along with bed die 31 and wrap up on bed die 31, then first drive assembly drive activity dynamic pressure frame 4 moves down, press the material ring side pressure on the processing station, then adsorb the material through the vacuum suction hole on the bed die 31, make the material laminating on bed die 31, wait that the material cools off, take out the finished product, when rising through bed die 31, the material rises together along with bed die 31, and after the material is jacked up, fix the material ring side through activity dynamic pressure frame 4, make the degree of consistency of the lateral wall of finished product better, the required thickness is kept to the bottom.
Referring to fig. 2 and 3, the clamping device 1 includes a plurality of clamping assemblies that mutually cooperate to clamp the material ring sides, the clamping assemblies include a placing plate 11, a fixed clamping plate 12, a movable clamping plate 13, a control shaft 14, and a second driving assembly that drives the control shaft 14 to rotate, the placing plate 11 is slidably disposed on the mounting plate 5 through a track, the fixed clamping plate 12 is disposed on the placing plate 11, the control shaft 14 is rotatably disposed on the placing plate 11, the movable clamping plate 13 is connected with the control shaft 14, and the movable clamping plate 13 is disposed parallel to the fixed clamping plate 12; thus, when the material needs to be clamped, the second driving assembly (the second driving assembly can be a motor) drives the control shaft 14 to rotate, and the movable clamping plate 13 is close to the fixed clamping plate 12 until the material is clamped.
Referring to fig. 2, the heating device 2 includes two heating mechanisms, the heating mechanism includes a heating component 21, a sliding rail 22 and a third driving component, the sliding rail 22 is disposed on the frame, the heating component 21 is slidably disposed on the sliding rail 22, and the two heating components 21 are disposed in parallel (horizontal positions are disposed above and below the mounting plate 5 respectively); so, when the material that needs to be to clamping device 1 department heats, two third drive assembly drive (can be motor, the driving piece that gear and chain constitute) correspond heating element 21 (heating element 21 can be the oven also can be the hot plate) and slide, make two heating element 21 place the upper and lower both sides of material respectively, heat the upper and lower both sides of material simultaneously, make the material be heated evenly.
Referring to fig. 4, the lower mold device 3 further includes a lifting table 32, a plurality of guide rods 33, and a fourth driving assembly for driving the lifting table 32 to perform lifting motion, wherein the plurality of guide rods 33 are vertically disposed at the bottom of the processing station, the lifting table 32 is slidably disposed on the plurality of guide rods 33, and the lower mold 31 is disposed on the lifting table 32, so that, when forming, the fourth driving assembly (may be an air cylinder or the like) drives the lifting table 32 to move upwards, so that the lower mold 31 moves upwards, jack up the material, and form the material.
Referring to fig. 1 and 5, the first driving assembly includes a plurality of cylinders 6, output ends of the plurality of cylinders 6 are provided with connecting rods 61, bottom ends of the connecting rods 61 are connected with corresponding synchronous plates 41, the movable pressing frame 4 includes two parallel synchronous plates 41, two parallel first pressing plates 42 and two parallel second pressing plates, two ends of the two first pressing plates 42 are respectively connected with the two synchronous plates 41, two ends of the two second pressing plates are respectively connected with the two first pressing plates 42, the second pressing plates include two pressing plate sleeves 43 and sliding pressing plates 44, one ends, far away from each other, of the two pressing plate sleeves 43 are respectively connected with the corresponding first pressing plates 42 in a sliding manner, one ends, close to each other, of the two pressing plate sleeves 43 are respectively provided with sliding grooves matched with the sliding pressing plates 44, and two ends of the sliding pressing plates 44 are respectively arranged in the two sliding grooves in a sliding manner; the two ends of the two first pressing plates 42 are slidably connected with the corresponding synchronizing plates 41, so when the material ring sides need to be pressed again, the air cylinder 6 drives the connecting rod 61 to do lifting movement, so that the two synchronizing plates 41 synchronously move, the rectangular frame formed by the two first pressing plates 42 and the two second pressing plates moves downwards until the material ring sides are pressed, the two first pressing plates 42 slide on the two synchronizing plates 41 according to the shape characteristics of different products, the pressing plate sleeves 43 slide on the first pressing plates 42, and the second pressing plates stretch (the two ends of the sliding pressing plates 44 slide in the two pressing plate sleeves 43), so that the size and the position of the rectangular frame can be adjusted to adapt to the production of different products.
Referring to fig. 5 and 6, the frame pressing device further includes a synchronization mechanism 7, the synchronization mechanism 7 includes four racks 71, two first synchronization shafts 72 and two second synchronization shafts 73, the four racks 71 are all slidably disposed on the frame, the bottom ends of the four racks 71 are respectively connected with the corresponding synchronization plates 41, two toothed rings 74 are respectively sleeved on the two first synchronization shafts 72, and the two toothed rings 74 are meshed with the two racks 71 on the same side on the two synchronization plates 41, the two second synchronization shafts 73 are disposed on the frame, two ends of the two first synchronization shafts 72 and the two second synchronization shafts 73 are respectively provided with bevel gears 75, the two first synchronization shafts 72 and the two second synchronization shafts 73 are rectangular, the two adjacent bevel gears 75 are meshed, so that the two first synchronization shafts 72 respectively keep synchronous movement of the two corresponding racks 71, the two second synchronization shafts 73 keep synchronous movement of the two ends of the two first synchronization shafts 72, so as to achieve the purpose of making the movable frame pressing 4 to do lifting movement smoothly, and making the sides of the materials not be pressed, and the reliability of the equipment cannot be increased.
Referring to fig. 7, an upper mold frame device 8 is further disposed on the frame, the upper mold frame device 8 includes a mounting bracket 81, an upper mold frame 82, a plurality of sliding rods 83 and a fifth driving assembly, the mounting bracket 81 is disposed above the mounting plate 5, the plurality of sliding rods 83 are slidably disposed on the mounting bracket 81, the upper mold frame 82 is disposed at the bottom ends of the plurality of sliding rods 83, the fifth driving assembly is used for driving the upper mold frame 82 to perform lifting motion, and an upper mold is mounted on the upper mold frame 82, so, when a thick sheet needs to be subjected to thermoforming and compression molding, the fifth driving assembly (which may be an air cylinder) drives the upper mold frame 82 to move downwards, so that the upper mold frame 82 is pressed with the lower mold 31 which moves upwards, and a product is molded.
In a second embodiment, a thermoforming method according to the thermoforming method described in the first embodiment is used for thermoforming a thick sheet:
The method comprises the following steps:
The clamping device 1 clamps the material ring side;
the heating device 2 heats the material at the clamping device 1;
after the material is heated, when the lower die device 3 is jacked up, the clamping device 1 releases the clamping of the material ring side;
when the lower die device 3 stops, the first driving component drives the movable press frame 4 to move downwards, and the material ring is pressed on the processing station in a lateral pressure mode;
the lower die 31 adsorbs materials on the lower die 31 through a plurality of vacuum suction holes;
And cooling the material after molding, and taking out the finished product.
When the slab is subjected to thermoforming and compression molding:
The method comprises the following steps:
The clamping device 1 clamps the material ring side;
the heating device 2 heats the material at the clamping device 1;
After the material is heated, when the lower die device 3 is jacked up, the clamping device 1 releases the clamping of the material ring side, and the upper die frame 82 moves downwards with the upper die;
when the lower die device 3 and the upper die are closed, the first driving component drives the movable press frame 4 to move downwards, and the material ring is pressed on the processing station in a lateral pressure mode;
And cooling the material after molding, and taking out the finished product.
To sum up: when the clamping device 1 clamps the material ring side, after the heating device 2 heats the material, when the lower die device 3 is jacked up, the clamping device 1 releases the clamping of the material, so that the heated and softened material rises along with the lower die 31 and is wrapped on the lower die 31, then the first driving component drives the movable press frame 4 to move downwards, the material ring is pressed on the processing station, then the material is adsorbed through the vacuum suction holes on the lower die 31, the material is attached to the lower die 31, after the material is cooled, a finished product is taken out, and when the material rises through the lower die 31, the material rises along with the lower die 31, so that the uniformity of the side wall of the finished product is good, and the bottom keeps the required thickness;
The equipment not only can carry out the thermoforming plastic uptake production of slab, also can carry out the thermoforming mould pressing production of slab equally, when needs carry out thermoforming mould pressing to the slab, the upper die carrier 82 is driven to move downwards to the fifth drive assembly, makes with the lower mould 31 pressfitting of upward motion, the shaping product.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Claims (10)
1. A method of thermoforming comprising: the device comprises a rack, wherein a processing station, a clamping device (1) for clamping the side of a material ring, a heating device (2) for heating the material at the clamping device (1), a lower die device (3) for jacking upwards to form the material at the clamping device (1) and a frame pressing device are arranged on the rack;
The clamping device (1) is arranged on a processing station;
the lower die device (3) comprises a lower die (31), and a plurality of vacuum suction holes are formed in the lower die (31);
the frame pressing device comprises a movable frame pressing device (4) and a first driving component for driving the movable frame pressing device to move;
The method comprises the following steps:
the clamping device (1) clamps the material ring side;
the heating device (2) heats the material at the clamping device (1);
after the material is heated, when the lower die device (3) is jacked up, the clamping device (1) releases the clamping of the material ring side;
when the lower die device (3) is stopped, the first driving component drives the movable press frame (4) to move downwards so as to press the material ring side against the processing station;
the lower die (31) adsorbs materials on the lower die (31) through a plurality of vacuum suction holes;
And cooling the material after molding, and taking out the finished product.
2. A thermoforming process as claimed in claim 1, wherein: the processing station comprises a mounting plate (5), and a movable hole for the lower die device (3) to move is formed in the mounting plate (5).
3. A thermoforming process as claimed in claim 2, wherein: the clamping device (1) comprises a plurality of clamping assemblies which are matched with each other to clamp the material ring side, the clamping assemblies comprise a placing plate (11), a fixed clamping plate (12), a movable clamping plate (13), a control shaft (14) and a second driving assembly which drives the control shaft (14) to rotate, the placing plate (11) is arranged on the mounting plate (5) in a sliding mode, the fixed clamping plate (12) is arranged on the placing plate (11), the control shaft (14) is arranged on the placing plate (11) in a rotating mode, and the movable clamping plate (13) is connected with the control shaft (14);
The movable clamping plate (13) is arranged in parallel with the fixed clamping plate (12), and when the second driving assembly drives the control shaft (14) to rotate, the movable clamping plate (13) is far away from or close to the fixed clamping plate (12).
4. A thermoforming process as claimed in claim 1, wherein: the heating device (2) comprises two heating mechanisms, wherein each heating mechanism comprises a heating component (21), a sliding rail (22) and a third driving component, the sliding rail (22) is arranged on the rack, and the heating components (21) are arranged on the sliding rail (22) in a sliding manner;
When the material at the clamping device (1) needs to be heated, the two heating assemblies (21) are arranged in parallel, and the two third driving assemblies drive the corresponding heating assemblies (21) to slide, so that the two heating assemblies (21) are respectively arranged at the upper side and the lower side of the material.
5. A thermoforming process as claimed in claim 1, wherein: the lower die device (3) further comprises a lifting table (32), a plurality of guide rods (33) and a fourth driving assembly for driving the lifting table (32) to do lifting motion, the guide rods (33) are vertically arranged at the bottom of the processing station, the lifting table (32) is slidably arranged on the guide rods (33), and the lower die (31) is arranged on the lifting table (32).
6. A thermoforming process as claimed in claim 1, wherein: the movable pressing frame (4) comprises two synchronizing plates (41) which are arranged in parallel, two first pressing plates (42) which are arranged in parallel and two second pressing plates which are arranged in parallel, wherein two ends of the two first pressing plates (42) are respectively connected with the two synchronizing plates (41), and two ends of the two second pressing plates are respectively connected with the two first pressing plates (42).
7. A method of thermoforming as claimed in claim 6, wherein: the second pressing plate comprises two pressing plate sleeves (43) and sliding pressing plates (44), one ends, away from each other, of the two pressing plate sleeves (43) are respectively connected with the corresponding first pressing plates (42) in a sliding mode, sliding grooves matched with the sliding pressing plates (44) are formed in one ends, close to each other, of the two pressing plate sleeves (43), and two ends of the sliding pressing plates (44) are respectively arranged in the two sliding grooves in a sliding mode;
Two ends of the two first pressing plates (42) are in sliding connection with the corresponding synchronous plates (41).
8. A method of thermoforming as claimed in claim 6, wherein: the first driving assembly comprises a plurality of air cylinders (6), connecting rods (61) are arranged at the output ends of the air cylinders (6), and the bottom ends of the connecting rods (61) are connected with corresponding synchronous plates (41).
9. A method of thermoforming as claimed in claim 7, wherein: the frame pressing device further comprises a synchronizing mechanism (7), the synchronizing mechanism (7) comprises four racks (71), two first synchronizing shafts (72) and two second synchronizing shafts (73), the four racks (71) are all arranged on the rack in a sliding mode, the bottom ends of the four racks (71) are respectively connected with corresponding synchronizing plates (41), two toothed rings (74) are respectively sleeved on the first synchronizing shafts (72), the two toothed rings (74) are meshed with the two racks (71) on the same side on the two synchronizing plates (41) through the two toothed rings (74), the two second synchronizing shafts (73) are arranged on the rack, bevel gears (75) are respectively arranged at two ends of the two first synchronizing shafts (72) and the two second synchronizing shafts (73), the two first synchronizing shafts (72) and the two second synchronizing shafts (73) are arranged in a rectangular mode, and the two adjacent bevel gears (75) are meshed.
10. A thermoforming process as claimed in claim 1, wherein: the die carrier is characterized in that an upper die carrier device (8) is further arranged on the frame, the upper die carrier device (8) comprises a mounting bracket (81), an upper die carrier (82), a plurality of sliding rods (83) and a fifth driving assembly, the mounting bracket (81) is arranged above the mounting plate (5), the sliding rods (83) are arranged on the mounting bracket (81) in a sliding mode, the upper die carrier (82) is arranged at the bottom ends of the sliding rods (83), the fifth driving assembly is used for driving the upper die carrier (82) to do lifting motion, and an upper die is arranged on the upper die carrier (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200740589A (en) * | 2006-04-21 | 2007-11-01 | Jun-Hong Chen | Vacuum formation process of hollow plastic article |
| CN109435211A (en) * | 2018-10-30 | 2019-03-08 | 中国电器科学研究院有限公司 | A kind of vacuum forming machine |
| JP2020104485A (en) * | 2018-12-28 | 2020-07-09 | 有限会社シマヅ化成 | Production method of expandable plastic compact |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200740589A (en) * | 2006-04-21 | 2007-11-01 | Jun-Hong Chen | Vacuum formation process of hollow plastic article |
| CN109435211A (en) * | 2018-10-30 | 2019-03-08 | 中国电器科学研究院有限公司 | A kind of vacuum forming machine |
| JP2020104485A (en) * | 2018-12-28 | 2020-07-09 | 有限会社シマヅ化成 | Production method of expandable plastic compact |
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