PE plastic thin film preparation method
A plastic film and equipment technology, applied in the field of PE plastic film preparation, can solve the problems of high input cost, residual impurities at the air outlet, adverse effects on the quality of film bubble production, etc.
Inactive Publication Date: 2021-05-18
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AI-Extracted Technical Summary
Problems solved by technology
 (1) In order to improve the cooling efficiency of the air ring, double air ring cooling equipment appeared. In order to adjust the cooling position according to the actual characteristics of the film bubble to be cooled, the double air ring can be set as a height-adjustable structure, and in order to To adjust the height of the two air rings, it is often necessary to set up multiple cylinders or similar driving parts, and the investment cost is relatively high;
Described brush head 462 comprises core rod 462a and sleeve 462b, and core rod 462a outer side is sleeved with sleeve 462b by th...
The invention relates to a plastic thin film preparation method. Air ring cooling equipment is used in the preparation method, and the air ring cooling equipment comprises a mounting seat, a lifting device, air rings and a cleaning device. The specific method for preparing a plastic thin film by using the air ring cooling equipment comprises the following steps of plasticizing extrusion, blowing forming, air ring cooling, folding flattening and thin film coiling, and the cleaning device comprises a mounting frame, a connecting sliding block, a lifting air cylinder, a lifting plate, a first connecting rod, a cleaning brush, a second connecting rod, a driving mechanism, a connecting ring, convex teeth, a driving gear and a driving motor. According to the preparation method, the height of the air rings is properly adjusted through the lifting device so as to meet actual working requirements, the function of adjusting the height of the two air rings at the same time or adjusting the height of one air ring can be achieved without arranging a plurality of large driving pieces, after the air ring cooling equipment is used for a long time, air outlets of the air rings can be cleaned through the cleaning device, and pollution of dust and other impurities accumulated in the air outlet to film bubbles is avoided.
Electric machineryThin membrane +6
- Experimental program(1)
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be embodied in various ways of claims defined and covered.
Such asFigure 1 to 9As shown, a PE plastic film preparation method, which uses a wind ring cooling apparatus including the mount 1, the lifting device 2, the wind ring 3 and the cleaning device 4, which is prepared by the above wind ring cooling equipment. The specific method of the PE plastic film is as follows:
S1. Plasticization: After melting the plastic particles by the extruder, it is plastically plasticized, and the cylindrical tube ring is extruded through the annular gap of the front port mold;
S2. Blow-blowing: The compressed air is passed through the core of the head of the head, and the tube loop is blown into a bubble, and the film is obtained;
S3. Wind ring cooling: Cooling membrane soil is cooled by a wind circle cooling device to function as a cooling or fixed;
S4. Folding level: draws the film bubble to the character splint by the tractor to fold the membrane bubble into a flat shape, and the two-layer film is obtained;
S5. Film Volume: Volume Double Film is taken by the winding device to prepare a reel film;
The lifting device 2 is mounted on the mounting seat 1, and two wind circle 3 is mounted from top to bottom, and the inside of the wind ring 3 is connected to the side wall of the cleaning device 4, and the cleaning device 4 is mounted on the mount 1 The mounting seat 1 is an annular structure, and there is a venting in the outer side of the wind ring 3, and there is a wind opening in the wind ring 3;
The lifting device 2 includes a rotary screw 21, a rotary electric machine 22, a moving pulley 23, a driven pulley 24, a transmission belt 25, a 1nd liter 26, a 2nd liter 27, a lifting rod 28, a lifting rod 29 and the telescopic support rod 210, the number of rotation screws 21 is two, and the two rotary screws 21 are mounted on the mounting seat 1 by the rotation mode, and the bottom end of the rotary screw 21 on the left side of the mount 1 is attached to the mounting The upper end output shaft is connected at the lower end of the lower end of the mounting seat 1, and the rotary electric machine 22 is a two-way output motor, and the lower end output shaft of the rotary electric machine 22 is mounted with the coupling, the rotary screw 21 on the right side of the mount 1. The end is attached to the coupling 24, and the active pulley 23 is connected to the driven belt 25 between the active pulley 24;
The first side of the rotary screw 21 is sequentially mounted from top to bottom by the threaded mating method, and the first liter 26 side wall is connected to the No. 1 lifting rod 28 telescopic end. Between the two wind circles 3, the second liter 27 side wall is connected to the second lifting rod 29, and the second lifting rod 29 is mounted between the wind ring 3 and the mount 1, and one A telescopic support rod 210 is mounted between the mounting frame 26 and the mounting seat 1; the limit of the first lifting rod 28 and the second lifting rod 29, the drive of the rotating motor 22, the active pulley 23, from the movable tape 24 Under the transmission of the transmission belt 25, the two rotary screws 21 can be rotated to move the No. 1 liter 26 to the second lift bracket 27 to move up and down, thereby achieving a function of adjusting the height of the wind ring 3.
The rotary screw 21 includes an active screw 211, a driven screw 212, and a pairing block 214, and the active screw 211 is mounted on the mounting seat 1 by rotation, and a circular groove is opened at the top of the active screw 211. The lower end of the shaped groove is opened with a square pair of contact with which it is connected thereon, and the inner wall of the circular groove is passed down on the lower end of the driven screw 212, and the bottom end of the driven screw 212 is connected to the adjustment cylinder 213, and the adjustment of the cylinder 213 telescopically mounted The pairing block 214 adapted to the groove shape is fitted with the square panel, and the contact block 214 can be adjusted to the relative position of the pairing block 214 and the square pair of contact holes by adjusting the cylinder 213, and when the pairing block 214 is coupled to the square pair When the unevenness is fitted, the driven screw 212 can be rotated synchronously with the active screw 211, and when the pair of pieces 214 are located outside the square pair, the driven screw 212 cannot be rotated with the active screw 211, and when the rotary motor 22 is activated, only the position can only be The bottom of the wind ring 3 performs high adjustment.
The second liter 27 includes a connecting block 271, a connecting plate 272, a sliding block 273, a distance of a cylinder 274, and a mounting ring 275, and the number of connected blocks 271 are two, and the two connection block 271 front and rear symmetrical arrangement, the inner wall of the connection block 271 is The circular arc surface structure is connected to the active screw 211 side wall by the threaded mating manner, and the connecting block 271 is arranged in the connection plate 272, and the connecting plate 272 is mounted on the second elevated rod 29 telescopic end side wall, the connecting plate The sliding groove is opened on the 272, and the sliding tank is attached to the sliding tank, and the sliding block 273 is attached, and the outer side of the sliding block 273 is connected to the connecting block 271, and the two sliding blocks 273 are mounted to be equipped with a distance cylinder 274, a distance cylinder. 274 is mounted on the connecting plate 272 by the mounting ring 275; the distance between the connecting block 271 and the active screw 211 can be adjusted by the distance cylinder 274, and when the connecting block 271 is close to the active screw 211, the active screw 211 is rotated. In the process, the connection block 271 can perform the upper and lower line motion relative to the active screw 211, and when the gap between the connecting block 271 and the active screw 211, the active screw 211 is rotated, and the connecting block 271 cannot perform the upper and lower line motion. In the case, it is only possible to highly adjust the wind ring 3 on the position.
The wind ring 3 includes a housing 31 and an outflow ring 32, and the housing 31 is integrated into a ring structure, and the housing 31 is a cross-sectional structure, and the inner side of the casing 31 is mounted by the bolt 32. The wind ring 323 is a ring structure, and there is a plurality of air outlets on the side wall of the wind ring 32, which can be removed from the housing 31 from the housing 31 according to the actual operation to repair the wind ring 32 or Replace the new wind ring 32.
The cleaning device 4 includes a mount 41, a connecting slider 42, a lifting cylinder 43, a lifting plate 44, a line 1 connection rod 45, a cleaning brush 46, a 2nd connection rod 47, a drive mechanism 48, a connection ring 49, and a convex teeth 410 The active gear 411 is mounted on the mounting seat 1, and the mounting frame 41 is mounted on the mounting seat 1. The upper end of the mounting frame 41 is opened, and a ring slide is opened on the mounting frame 41, and the ring chute is mounted by sliding mise. The connection slider 42 is disposed at the lower end of the connection slider 42, and the lifting cylinder 43 is mounted between the lifting plate 44 and the connection slide 42, and the lifting plate 44 is uniformly opened in its circumferential direction, and each The number of moving grooves is two. The slide is slid in the moving groove has a first connection rod 45, and between the lower ends of the two first lines 45 in the same mobile slot, there is two cleaning brushes 46, two The cleaning brush 46 is connected between the second connecting rod 47, the cleaning brush 46 position corresponds to the wind ring 3 position, and the upper end of the cleaning brush 46 on the position is connected to the lower end of the first connection rod 45, the upper end of the line 1 connection rod 45 Connect to the drive mechanism 48 mounted on the lifting plate 44, and is connected between the same height, by the connection ring 49, the connection ring 49 is connected to the wind ring 3 side wall by rotating the detachable manner. The inner upper end is uniformly opened in its circumferential direction, and the brush head 462 provided in the cleaning brush 46 can extend into the air inlet after passing through the U-shaped opening, cleaning brush 46 and U-shaped groove In the sliding mating mode, the cleaning brush 46 can slide up and downwardly from the U-shaped slot, and the upper side walls of the connecting ring 49 on the upper end of the connection ring 49 are uniformly mounted in the circumferential direction 410, located on the left end of the connection ring 49 The convex teeth 410 are engaged with the right end of the active gear 411 on the wind ring 3, and the active motor 412 is attached to the active motor 412 of the active motor 412 on the wind ring 3 by the motor housing and the lifting board by the lifting cylinder 43. After adjusting the 44 height, the relative position of the connecting ring 49 and the wind ring 3 is adjusted by the convex teeth 410, the active gear 411 and the active motor 412, and the relative position of the wind ring 3 is adjusted, and when the wind ring 3 is cooling, the brush 46 brush is cleaned. The head 462 is interleaved with the air outlet, and when the wind ring 3 is required, the half cleaning brush 46 brush head 462 corresponds to one or one, and then the cleaning brush 46 can be reciprocated under the drive of the drive mechanism 48. Straight movement, so that the brush head 462 can be cleaned with the inner wall of the air outlet. After the initial cleaning, the lifting plate 44 is highly adjusted by the lifting cylinder 43, so that the other half of the brush head 462 that is originally arranged up and down with the air outlet position can be The outlet position corresponds, then drives the routine movement by the drive mechanism 48, so that this half brush head 462 is cleaned twice to the inner wall of the air outlet to ensure the cleaning effect, reduce the residual remaining.
The drive mechanism 48 includes a fixed ring 481, a rotating ring gear 482, a rotating gear 483, a rotating motor 484, a connecting post 485, a rotating cam 486, a block 487, a moving plate 488, and a fixed ring 481 mounted on a lifting cylinder 43 telescovering end On the side wall, the inner wall of the fixed ring 481 is rotated and mounted with the rotating ring gear 482, and the rotation ring gear 482 is rotatably mounted on the right end of the rotation gear 483 on the fixed ring 481, and the upper end of the rotation gear 483 is connected to the rotating motor 484 output shaft. The rotating motor 484 is attached to the telescopic end side wall of the lifting cylinder 43 by the motor holder, and the lower end of the rotation ring gear 482 is connected to the upper end of the connection post 485, and the lower end of the connection post 485 is connected to the upper end of the rotation cam 486, and the rotation cam 486 is opened. In the outer pass hole, the rotating cam 486 is uniformly arranged in the circumferential direction, and the inner wall of the pressure block 487 is a circular arc surface structure, and the inner wall of the pressure block 487 is close to the outer wall of the rotation cam 486, pressurized The block 487 is mounted inside the moving plate 488, and the moving plate 488 is mounted between the upper end surfaces of the two first connecting rods 45 located in the same set of mobile slots, and the moving plate 488 is connected between the sheet 488 and the first connection rod 45. The moving plate 488 is connected between the lifting plate 44; when the half of the brush head 462 corresponds to the air opening position, the mutual cooperation with the rotation gear 483 and the rotating ring gear 485 is passed through the rotation motor 484. The connection action is rotated by the rotation cam 486, and the rotation cam 486 generates the thrust block 487 in the direction of the blocked block 487, which causes the moving plate 488 to drive the No. 1 connection rod 45 under the elastic action of the spring. The reciprocating line moves, and the brush head 462 provided on the cleaning brush 46 connected to the first connection rod 45 can clean the inner wall of the air outlet to remove dust such as dust in the air outlet to prevent the debris from spraying with cold wind. It causes pollution to membrane bubbles.
The cleaning brush 46 includes a brush plate 461, a brush head 462, a connecting spring 463 and a tape plate 464, a brush plate 461 is a circular arc surface structure, and a plurality of mounting holes are uniformly opened on the side wall of the brush plate 461, and the number of mounting holes is air outlet. Two times the number, the mounting hole is attached to the mounting hole, and the brush head 462 is mounted between the brush head 462 and the inner wall of the mounting hole, and two tape plates 464 are mounted on the inner wall of the brush plate 461, the upper end of the tape 464. Phase it is connected to the lower end of the No. 1 connection rod 45; when the drive mechanism 48 is moved, the brush head 462 corresponding to the air outlet position can be cleaned with the inner wall of the air outlet, while the other half brush head 462 is provided. Under the extrusion of the side wall of the wind ring 3, move in the opposite direction to avoid hindering the movement of the tunnel 464.
The brush head 462 includes a sleeve 462a with a sleeve 462b, and a sleeve 462b is mounted outside the core rod 462a. It is a detachable connection method between the two, which is convenient to replace or clean the sleeve 462b. .
The basic principles, main features and advantages of the present invention are shown and described above. According to the present invention, the present invention is not limited by the above-described embodiments, and the above embodiments and the description of the present invention will only explain the principles of the present invention, and the present invention will also be described without departing from the spirit and scope of the invention. There are various changes and improvements that fall within the scope of the invention as claimed. The invention requires the scope of protection by the appended claims and their equivalents.
Description & Claims & Application Information
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