CN110696335A - Automatic high-speed vacuum plastic-sucking forming machine - Google Patents
Automatic high-speed vacuum plastic-sucking forming machine Download PDFInfo
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- CN110696335A CN110696335A CN201910996461.1A CN201910996461A CN110696335A CN 110696335 A CN110696335 A CN 110696335A CN 201910996461 A CN201910996461 A CN 201910996461A CN 110696335 A CN110696335 A CN 110696335A
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- Prior art keywords
- material placing
- roller
- placing frame
- plastic
- compression roller
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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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/261—Handling means, e.g. transfer means, feeding means
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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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/10—Forming by pressure difference, e.g. vacuum
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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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/261—Handling means, e.g. transfer means, feeding means
- B29C51/262—Clamping means for the sheets, e.g. clamping frames
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention discloses an automatic high-speed vacuum plastic-sucking forming machine, and relates to the field of plastic-sucking forming equipment. The technical key points are as follows: the plastic sheet sucking and feeding device comprises a plastic sucking machine body and a feeding device, wherein the feeding device comprises a material placing frame, a material roller wound with plastic sheets is rotatably connected onto the material placing frame, one end, close to the plastic sucking machine body, of the material placing frame is rotatably connected with an upper compression roller and a lower compression roller, a material placing plate is horizontally arranged on one side, facing the lower compression roller, of the material placing frame, the material placing plate is arranged along the axis direction of the material roller, the upper surface of the material placing plate is coplanar with the highest point of the surface of the lower compression roller, and a motor for driving the material placing plate to rotate is; the two ends of the material placing frame, which are located on the material placing plate, are respectively provided with a finger cylinder for clamping plastic sheets, the material placing frame is provided with a slide rail along the movement direction of the plastic sheets, the slide rail is internally and slidably connected with a slide block, the slide block is fixedly connected with a cylinder body of the finger cylinder, and the material placing frame is provided with a driving device for driving the slide block to move along the slide rail. The invention has the advantages of high coil changing efficiency and potential safety hazard reduction.
Description
Technical Field
The invention relates to the field of plastic suction forming equipment, in particular to an automatic high-speed vacuum plastic suction forming machine.
Background
The plastic uptake is a plastic processing technology, and the main principle is that after a flat plastic hard sheet is heated and softened, the plastic hard sheet is absorbed on the surface of a mould in vacuum, and the plastic hard sheet is formed after cooling, so that the plastic hard sheet is widely used in the industries of plastic packaging, lamp decoration, advertisement, decoration and the like. The plastic sucking machine is also called a thermoplastic forming machine, and is a machine for sucking and manufacturing thermoplastic plastic coiled materials such as PVC, PE, PP, PET, HIPS and the like which are plasticized by heating into high-grade products such as packing decorative boxes, frames and the like with various shapes. The thermoplastic plastic sheets such as PVC, PET and the like which are heated and softened are subjected to vacuum forming by a mould into vacuum covers, plastic trays, bubble shells and the like with various shapes by utilizing vacuum suction force generated by a vacuum pump.
The utility model discloses a chinese utility model patent that is CN204367384U at bulletin number discloses a die-cut all-in-one of plastic uptake shaping, including sheet unwinding device, preheating device, plastic uptake shaping device, die-cut forming device and the waste material coiling mechanism that connects gradually, sheet unwinding device is right including physiosis axle and the carry over pinch rolls that are used for fixed lapping sheet, the carry over pinch rolls is to export and preheating device entry butt joint, preheating device export and the butt joint of plastic uptake shaping device feed inlet, the butt joint of plastic uptake shaping device discharge gate and die-cut forming device.
The technical solution in the above patent has the following disadvantages: after a roll of plastic sheet processing was accomplished, need to change the book, change new plastic sheet book back, need the manual work to send into the plastic sheet head between two feed rolls, change a roll inefficiency on the one hand, on the other hand has the potential safety hazard that the clamp wounded the workman's finger.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an automatic high-speed vacuum plastic-sucking forming machine which has the advantages of high roll changing efficiency and potential safety hazard reduction.
The above object of the present invention is achieved by the following technical solutions:
the automatic high-speed vacuum plastic suction forming machine comprises a plastic suction machine body and a feeding device, wherein the feeding device comprises a material placing frame, a material roller wound with plastic sheets is rotatably connected onto the material placing frame, one end, close to the plastic suction machine body, of the material placing frame is rotatably connected with an upper compression roller and a lower compression roller, a material placing plate is horizontally arranged on one side, facing the lower compression roller, of the material placing frame, the material placing plate is arranged along the axis direction of the material roller, the upper surface of the material placing plate is coplanar with the highest point of the surface of the lower compression roller, and a motor for driving the material placing plate to rotate is arranged at one end of the lower compression roller;
the plastic sheet feeding device is characterized in that finger cylinders used for clamping plastic sheets are respectively arranged at two ends, located on the feeding plate, of the feeding frame, slide rails are arranged on the feeding frame along the movement direction of the plastic sheets, slide blocks are connected in the slide rails in a sliding mode and fixedly connected with cylinder bodies of the finger cylinders, and a driving device used for driving the slide blocks to move along the slide rails is arranged on the feeding frame.
Through adopting above-mentioned technical scheme, when needs change a roll, the workman only need put the material roller on the blowing frame, keep flat the head of plastic sheet at blowing board upper surface, the head of plastic sheet surpasss the blowing board and is close to the lateral wall of compression roller down, at this moment, the clamping jaw of finger cylinder cliies behind the plastic sheet, drive arrangement drives slider and finger cylinder along the slide rail towards compression roller down motion, until the plastic sheet stretches into between compression roller and the compression roller down, the finger cylinder loosens the plastic sheet, the motor drives the compression roller down and rotates, the compression roller drives the plastic sheet and moves towards the plastic uptake machine body direction in the cooperation, thereby accomplish the change a roll fast, it is efficient to change a roll, and do not need the manual work to send the plastic sheet head into between compression roller and the compression roller down, reduce the potential safety hazard.
The invention is further configured to: the two ends of the upper compression roller are provided with first bearing seats, the material placing frame is provided with a lifting cylinder in the vertical direction, and the end part of a piston rod of the lifting cylinder is fixedly connected with the first bearing seats.
Through adopting above-mentioned technical scheme, when the thickness of plastic sheet changed, probably inconvenient stretching into between compression roller and the lower compression roller, when pointing the cylinder and clieing plastic sheet, the lift cylinder drove primary shaft bearing and goes up the compression roller and rise to the interval of compression roller and lower compression roller is gone up in the increase, when plastic sheet sent to the lower compression roller top, the lift cylinder drove primary shaft bearing and goes up the compression roller and descend and push down plastic sheet, the finger cylinder unclamps plastic sheet, the completion is changed a roll pay-off.
The invention is further configured to: go up the compression roller and overlap around the compression roller both ends with lower compression roller and be equipped with the spacing ring, go up the compression roller, be equipped with the clearance between compression roller surface and the spacing ring inner wall down, the spacing ring can be dismantled with the blowing frame and be connected.
Through adopting above-mentioned technical scheme, the plastic sheet receives the limiting displacement of spacing ring when the motion to plastic sheet can not squint when guaranteeing the pay-off, guarantees that plastic uptake shaping work normally goes on.
The invention is further configured to: the plastic sheet feeding device is characterized in that a tensioning roller is arranged between the feeding roller and the lower pressing roller, two ends of the tensioning roller are provided with second bearing seats, the feeding frame is provided with a sliding groove connected with the tensioning roller in a sliding mode in the vertical direction, a tensioning cylinder for driving the second bearing seats to ascend and descend is arranged on the feeding frame, and the tensioning roller is located above a plastic sheet.
By adopting the technical scheme, when the upper compression roller and the lower compression roller clamp the plastic sheet, the tensioning cylinder drives the second bearing seat and the tensioning roller to descend, and the tensioning cylinder stops moving until the plastic sheet is tensioned. The plastic sheets are tensioned, and the yield of plastic suction molding is improved.
The invention is further configured to: and a rubber pad is arranged on one face of the finger cylinder, which is opposite to the two clamping jaws.
Through adopting above-mentioned technical scheme, the rubber pad can increase the frictional force of clamping jaw and plastic sheet, avoids plastic sheet to drop, can protect plastic sheet simultaneously, produces the fish tail when avoiding the clamping jaw centre gripping.
The invention is further configured to: the automatic feeding device is characterized in that a rotating groove which is rotatably connected with two ends of the material roller is formed in the upper surface of the material placing frame, a stop block is arranged on one side, close to the material placing plate, of the rotating groove, the upper surface of the material placing frame, a ratchet wheel is fixedly connected with one end of the material roller, a pawl is arranged on the side wall of the material placing frame, located below the ratchet wheel, the lower end of the pawl is hinged to the material placing frame, the upper end of the pawl is meshed with the ratchet wheel, and a spring is connected between the middle of.
Through adopting above-mentioned technical scheme, the workman is kept flat the head of plastic sheet and is put the flitch upper surface after, and material roller and plastic sheet receive the action of gravity and probably take place the reversal and make plastic sheet break away from the flitch of putting, and the pawl can restrict the material roller just can only anticlockwise rotation, can not the reversal to guarantee that the finger cylinder can clip plastic sheet, improve the change of lap efficiency. The spring may cause the pawl to engage the ratchet wheel in the rest state.
The invention is further configured to: the material roller is close to the surface at the both ends of blowing frame and has seted up annular spacing groove, it is connected with spacing wheel to rotate on the blowing frame, spacing wheel stretches into spacing groove and with spacing groove roll connection.
Through adopting above-mentioned technical scheme, annular spacing groove and spacing round cooperation carry on spacingly to the both ends of material roller, avoid the material roller to take place the skew at the in-process of plastic sheet motion, guarantee normal feeding.
The invention is further configured to: and the length edges of the material placing plates are provided with fillets.
Through adopting above-mentioned technical scheme, when the plastic sheet on the material roller is less and less, the plastic sheet can contact with the length limit of blowing board, and the fillet can avoid the plastic sheet because of frictional force fish tail.
In conclusion, the beneficial technical effects of the invention are as follows:
(1) through setting up flitch, motor, finger cylinder and drive arrangement. When needs change a roll, the workman only need put the material roller on the blowing frame, keep flat the head of plastic sheet at blowing board upper surface, the head of plastic sheet surpasss the blowing board and is close to the lateral wall of compression roller down, at this moment, the clamping jaw of finger cylinder cliies behind the plastic sheet, drive arrangement drives slider and finger cylinder along the slide rail towards compression roller motion down, until the plastic sheet stretches into between compression roller and the compression roller down, the plastic sheet is loosened to the finger cylinder, the motor drives the compression roller down and rotates, the compression roller drives the plastic sheet and moves towards the plastic uptake machine body direction in the cooperation, thereby accomplish fast and change a roll, it is efficient to change a roll, and do not need the manual work to send the plastic sheet head into between compression roller and the compression roller down, reduce the potential safety hazard.
(2) Through setting up rotation groove, dog, ratchet, pawl, spring, the workman is kept flat the back at blowing board upper surface with the head of plastic sheet, and material roller and plastic sheet receive the action of gravity and probably take place the reversal and make plastic sheet break away from the blowing board, and the pawl can restrict the material roller just can only anticlockwise rotation, can not the reversal to guarantee that the finger cylinder can clip plastic sheet, improve the roll change efficiency.
Drawings
FIG. 1 is a schematic structural view of an automatic high-speed vacuum forming machine;
FIG. 2 is a schematic structural view of the automatic high-speed vacuum forming machine without a plastic sucking machine body;
FIG. 3 is a partial cross-sectional view of an automatic high speed vacuum forming machine;
FIG. 4 is an enlarged view of portion A of FIG. 2;
FIG. 5 is an enlarged view of portion B of FIG. 2;
FIG. 6 is a partial right side view of the ratchet, pawl and spring;
fig. 7 is an enlarged view of a portion C in fig. 2.
Reference numerals: 1. a plastic uptake machine body; 2. a material placing frame; 3. a plastic sheet; 4. a material roller; 5. an upper compression roller; 6. a lower pressing roller; 7. a material placing plate; 8. a motor; 9. a finger cylinder; 10. a slide rail; 11. a slider; 12. a first bearing housing; 13. a lifting cylinder; 14. a limiting ring; 15. a tension roller; 16. a second bearing housing; 17. a chute; 18. a tensioning cylinder; 19. a rubber pad; 20. a rotating groove; 21. a stopper; 22. a ratchet wheel; 23. a pawl; 24. a spring; 25. a limiting groove; 26. a limiting wheel; 27. the cylinder is driven.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the automatic high-speed vacuum plastic-sucking molding machine disclosed by the invention comprises a plastic-sucking machine body 1 and a feeding device, wherein the feeding device comprises a material placing frame 2, a material roller 4 wound with a plastic sheet 3 is rotatably connected to the material placing frame 2, an upper compression roller 5 and a lower compression roller 6 are rotatably connected to one end, close to the plastic-sucking machine body 1, of the material placing frame 2, a material placing plate 7 is horizontally and fixedly connected to one side, facing the lower compression roller 6, of the material roller 4, the material placing plate 7 is arranged along the axial direction of the material roller 4, the upper surface of the material placing plate 7 is coplanar with the highest point of the surface of the lower compression roller 6, a motor 8 for driving the lower compression roller 6 to rotate is arranged at one end of the lower compression roller 6, and the motor 8 is coaxial.
Referring to fig. 2 and 3, finger cylinders 9 for clamping plastic sheets 3 are respectively arranged at two ends of a material placing frame 2 located at a material placing plate 7, a slide rail 10 is arranged on the material placing frame 2 along the movement direction of the plastic sheets 3, a slide block 11 is slidably connected in the slide rail 10, the slide block 11 is fixedly connected with a cylinder body of the finger cylinder 9, a driving device for driving the slide block 11 to move along the slide rail 10 is arranged on the material placing frame 2, in this embodiment, the driving device comprises a driving cylinder 27 arranged along the length direction of the slide rail 10, and the end part of a piston rod of the driving cylinder 27 is fixedly connected with the slide block 11. Rubber pads 19 are bonded to the opposite surfaces of the two clamping jaws of the finger cylinder 9, the rubber pads 19 can increase the friction force between the clamping jaws and the plastic sheets 3, the plastic sheets 3 are prevented from falling off, the plastic sheets 3 can be protected, and the clamping jaws are prevented from being scratched when clamped. The length edges of the material discharging plate 7 are provided with the fillets, when the plastic sheets 3 on the material roller 4 are less and less, the plastic sheets 3 can be in contact with the length edges of the material discharging plate 7, and the fillets can prevent the plastic sheets 3 from being scratched due to friction.
Referring to fig. 2 and 4, two ends of the upper pressing roller 5 are connected with first bearing seats 12, a lifting cylinder 13 is arranged on the discharging frame 2 along the vertical direction, the end part of a piston rod of the lifting cylinder 13 is fixedly connected with the first bearing seats 12, and a cylinder body of the lifting cylinder 13 is fixedly connected with the discharging frame 2.
When changing rolls, a worker only needs to place the material roller 4 on the material placing frame 2, the head of the plastic sheet 3 is horizontally placed on the upper surface of the material placing plate 7, the head of the plastic sheet 3 exceeds the side wall of the material placing plate 7 close to the lower compression roller 6, at the moment, after the clamping jaw of the finger cylinder 9 clamps the plastic sheet 3, the driving device drives the sliding block 11 and the finger cylinder 9 to move towards the lower compression roller 6 along the sliding rail 10 until the plastic sheet 3 extends between the upper compression roller 5 and the lower compression roller 6, when the plastic sheet 3 is sent to the upper part of the lower compression roller 6, the lifting cylinder 13 drives the first bearing seat 12 and the upper compression roller 5 to descend to press the plastic sheet 3, the finger cylinder 9 loosens the plastic sheet 3, the motor 8 drives the lower compression roller 6 to rotate, the plastic sheet 3 is driven to move towards the plastic suction machine body 1 by matching with the upper compression roller 5, so that the rolls are quickly changed, the roll changing efficiency is high, and the head of, and the potential safety hazard is reduced.
In order to avoid the deviation of the plastic sheet 3, waist-shaped limiting rings 14 are sleeved around the two ends of the upper pressing roller 5 and the lower pressing roller 6, gaps are formed between the surfaces of the upper pressing roller 5 and the lower pressing roller 6 and the inner wall of the limiting ring 14, and the limiting ring 14 is detachably connected with the material placing frame 2 through bolts. The plastic sheet 3 is limited by the limiting ring 14 during movement, so that the normal operation of plastic suction forming is ensured.
Referring to fig. 2 and 5, the blowing frame 2 is located and is provided with the tensioning roller 15 between material roller 4 and the lower compression roller 6, the both ends of tensioning roller 15 are connected with second bearing seat 16, the blowing frame 2 is provided with the spout 17 with tensioning roller 15 sliding connection along vertical direction, the top of spout 17 passes slide rail 10 and is equipped with the opening, be provided with the tensioning cylinder 18 that drives second bearing seat 16 and go up and down along spout 17 length direction on the blowing frame 2, the piston rod and the second bearing seat 16 fixed connection of tensioning cylinder 18, tensioning roller 15 is located the top of plastic sheet 3. When the upper pressing roller 5 and the lower pressing roller 6 clamp the plastic sheet 3, the tensioning cylinder 18 drives the second bearing seat 16 and the tensioning roller 15 to descend until the plastic sheet 3 is tensioned, the tensioning cylinder 18 stops moving, the plastic sheet 3 is tensioned, and the yield of plastic suction molding is improved.
Referring to fig. 6 and 7, after a worker flatly places the head of a plastic sheet 3 on the upper surface of a material placing plate 7, the material roller 4 and the plastic sheet 3 may reverse under the action of gravity to separate the plastic sheet 3 from the material placing plate 7, therefore, a rotating groove 20 rotatably connected with two ends of the material roller 4 is formed in the upper surface of the material placing frame 2, a stop block 21 is fixedly connected to one side, close to the material placing plate 7, of the rotating groove 20 on the upper surface of the material placing frame 2, a ratchet 22 is fixedly connected with one end of the material roller 4, a pawl 23 is arranged below the ratchet 22 on the side wall of the material placing frame 2, the lower end of the pawl 23 is hinged to the material placing frame 2, the upper end of the pawl 23 is meshed with the ratchet 22, and a spring. The pawl 23 can limit the material roller 4 to rotate only anticlockwise and cannot rotate reversely, so that the finger cylinder 9 can clamp the plastic sheet 3, and the roll changing efficiency is improved. The spring 24 may cause the pawl 23 to engage the ratchet wheel 22 in a rest state.
In order to avoid the material roller 4 to take place the skew at the in-process of 3 movements of plastic sheet, the annular spacing groove 25 has been seted up on the surface that the material roller 4 is close to the both ends of blowing frame 2, rotates on the blowing frame 2 and is connected with spacing wheel 26, and spacing wheel 26 stretches into spacing groove 25 and with spacing groove 25 roll connection. The annular limiting groove 25 is matched with the limiting wheel 26 to limit the two ends of the material roller 4, so that normal feeding is ensured.
The implementation principle of the embodiment is as follows: when changing rolls, a worker puts the material roller 4 on the material placing frame 2, the head of the plastic sheet 3 is flatly placed on the upper surface of the material placing plate 7, the head of the plastic sheet 3 exceeds the material placing plate 7 and is close to the side wall of the lower pressing roller 6, at the moment, after the plastic sheet 3 is clamped by the clamping jaws of the finger cylinders 9, the driving device drives the sliding block 11 and the finger cylinders 9 to move towards the lower pressing roller 6 along the sliding rails 10 until the plastic sheet 3 extends between the upper pressing roller 5 and the lower pressing roller 6, when the plastic sheet 3 is sent to the upper part of the lower pressing roller 6, the lifting cylinder 13 drives the first bearing seat 12 and the upper pressing roller 5 to descend to press the plastic sheet 3, the finger cylinders 9 loosen the plastic sheet 3, the motor 8 drives the lower pressing roller 6 to rotate, and the upper pressing roller 5 is matched with the. The tensioning cylinder 18 moves the second bearing block 16 and the tensioning roller 15 downwards until the tensioning cylinder 18 stops after the plastic sheet 3 has been tensioned. Tensioning plastic sheet 3 to accomplish the change of lap fast, it is efficient to change the lap, does not need the manual work moreover to send into the plastic sheet 3 head between last compression roller 5 and the lower compression roller 6, reduces the potential safety hazard.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The automatic high-speed vacuum plastic-sucking forming machine comprises a plastic-sucking machine body (1) and a feeding device, wherein the feeding device comprises a material placing frame (2), a material roller (4) wound with plastic sheets (3) is rotatably connected onto the material placing frame (2), one end, close to the plastic-sucking machine body (1), of the material placing frame (2) is rotatably connected with an upper compression roller (5) and a lower compression roller (6), the automatic high-speed vacuum plastic-sucking forming machine is characterized in that the material placing frame (2) is horizontally provided with a material placing plate (7) on one side, facing the lower compression roller (6), of the material roller (4), the material placing plate (7) is arranged along the axial direction of the material roller (4), the upper surface of the material placing plate (7) is coplanar with the surface of the lower compression roller (6), and one end of the lower compression roller (6) is provided with a motor (;
the plastic sheet material clamping device is characterized in that finger cylinders (9) used for clamping plastic sheets (3) are respectively arranged at two ends, located on a material placing plate (7), of the material placing frame (2), slide rails (10) are arranged on the material placing frame (2) along the movement direction of the plastic sheets (3), slide blocks (11) are connected in the slide rails (10) in a sliding mode, the slide blocks (11) are fixedly connected with cylinder bodies of the finger cylinders (9), and driving devices for driving the slide blocks (11) to move along the slide rails (10) are arranged on the material placing frame (2).
2. The automatic high-speed vacuum plastic molding machine according to claim 1, wherein the two ends of the upper compression roller (5) are provided with first bearing seats (12), the material placing frame (2) is provided with a lifting cylinder (13) along the vertical direction, and the end of a piston rod of the lifting cylinder (13) is fixedly connected with the first bearing seats (12).
3. The automatic high-speed vacuum plastic-sucking molding machine according to claim 1, wherein a limiting ring (14) is sleeved around two ends of the upper pressing roller (5) and the lower pressing roller (6), gaps are arranged between the surfaces of the upper pressing roller (5) and the lower pressing roller (6) and the inner wall of the limiting ring (14), and the limiting ring (14) is detachably connected with the material placing frame (2).
4. The automatic high-speed vacuum plastic sucking molding machine according to claim 1, wherein the material placing frame (2) is provided with a tension roller (15) between the material roller (4) and the lower pressing roller (6), the two ends of the tension roller (15) are provided with second bearing seats (16), the material placing frame (2) is provided with a chute (17) which is connected with the tension roller (15) in a sliding manner along the vertical direction, the material placing frame (2) is provided with a tension cylinder (18) which drives the second bearing seats (16) to ascend and descend, and the tension roller (15) is located above the plastic sheets (3).
5. The automatic high-speed vacuum forming machine according to claim 1, wherein a rubber pad (19) is provided on a surface of the finger cylinder (9) facing the two jaws.
6. The automatic high-speed vacuum plastic-sucking molding machine according to claim 1, characterized in that the upper surface of the material-placing frame (2) is provided with a rotating groove (20) rotatably connected with two ends of the material roller (4), one side of the upper surface of the material-placing frame (2) which is located at the rotating groove (20) and close to the material-placing plate (7) is provided with a stop block (21), one end of the material roller (4) is fixedly connected with a ratchet wheel (22), a pawl (23) is arranged below the ratchet wheel (22) on the side wall of the material-placing frame (2), the lower end of the pawl (23) is hinged with the material-placing frame (2), the upper end of the pawl (23) is meshed with the ratchet wheel (22), and a spring (24) is connected between the middle part of the pawl (23) and the material.
7. The automatic high-speed vacuum plastic molding machine according to claim 6, wherein the surface of the material roller (4) near the two ends of the material placing frame (2) is provided with an annular limiting groove (25), the material placing frame (2) is rotatably connected with a limiting wheel (26), and the limiting wheel (26) extends into the limiting groove (25) and is in rolling connection with the limiting groove (25).
8. The automatic high-speed vacuum plastic molding machine according to claim 1, wherein the length sides of the material-discharging plate (7) are each provided with a rounded corner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910996461.1A CN110696335A (en) | 2019-10-19 | 2019-10-19 | Automatic high-speed vacuum plastic-sucking forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910996461.1A CN110696335A (en) | 2019-10-19 | 2019-10-19 | Automatic high-speed vacuum plastic-sucking forming machine |
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| Publication Number | Publication Date |
|---|---|
| CN110696335A true CN110696335A (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910996461.1A Pending CN110696335A (en) | 2019-10-19 | 2019-10-19 | Automatic high-speed vacuum plastic-sucking forming machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117445370A (en) * | 2023-12-22 | 2024-01-26 | 晋江市联兴吸塑包装有限公司 | Automatic plastic sucking molding production line and process for plastic box |
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Application publication date: 20200117 |