CN115321249A - Production equipment and preparation method of PET (polyethylene terephthalate) temperature-resistant polymer sheet - Google Patents

Abstract

The invention belongs to the technical field of PET production equipment, and particularly relates to production equipment of a PET temperature-resistant polymer sheet and a preparation method thereof. The PET sheet stacking machine can stack rectangular PET sheets integrally, saves space when the PET sheets are stacked together neatly, and has low probability of damage to the integrally stacked PET sheets.

Description

Production equipment and preparation method of PET (polyethylene terephthalate) temperature-resistant polymer sheet

Technical Field

The invention relates to the technical field of PET production equipment, in particular to production equipment and a preparation method of a PET temperature-resistant polymer sheet.

Background

Along with the continuous expansion of application of plastic products in the field of packaging, more and more packaging wastes are generated, the wastes of PET sheets serving as packaging materials can be recycled, the performance reduction is low, the production capacity is high, the PET sheets can accumulate large static on the upper surface of a production line, and the static exists on the surface, so that the PET sheets can be adsorbed and tightly attached together in the stacking process of the PET sheets, the PET sheets can be easily stacked together in a mess, the edges of the PET sheets can be easily damaged under the messy stacking condition of the PET sheets, and the occupied space is very large.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides production equipment and a preparation method of a PET temperature-resistant polymer sheet.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a production facility of PET temperature resistant polymer sheet, includes the workstation, the top slidable mounting of workstation has promotion subassembly one and displacement subassembly, last slidable mounting have be used for carrying out two spacing limiting plates and promote to pile up PET sheet edge and carry out the three parallel and level subassembly that aligns to the PET sheet, wherein two parallel and level subassemblies and two limiting plate symmetric distributions, two parallel and level subassemblies and two equal fixed mounting in one side that the limiting plate is close to each other have the support that carries the PET sheet and carry out the support and carry the case, another parallel and level subassembly links together with promotion subassembly, the top of workstation is installed and is used for leading to the PET sheet and the direction subassembly with adjustable angle.

Preferably, the displacement subassembly includes two sliding base two of slidable mounting at the workstation top, is connected with same lead screw one between two sliding base two, lead screw one runs through one of them sliding base two and rather than threaded connection together, and rotate with another sliding base two and link together, and adjacent parallel and level subassembly and limiting plate slidable mounting have same sliding base two on, sliding base two is last to install the promotion subassembly two that drive parallel and level subassembly removed, and two last adjusting part who installs two same limiting plate synchronous motion of drive of two sliding base.

Preferably, promote one of the subassembly and include the sliding base one of slidable mounting at the workstation top, the top fixed mounting of sliding base one has flexible equipment one, the output pole of flexible equipment one is in the same place with the parallel and level subassembly fixed connection that corresponds, promote two of the subassemblies and include sliding base three on sliding base two, the top fixed mounting of sliding base three has flexible equipment two, the output pole of flexible equipment two is in the same place with the parallel and level subassembly fixed connection that corresponds.

Preferably, the adjusting assembly comprises a second screw rod which is rotationally connected with the two limiting plates, a hand wheel is fixedly mounted at one end, away from the limiting plate, of one second screw rod, a fourth sliding base is arranged on the two second screw rods in a threaded sleeve mode, the two fourth sliding bases are slidably mounted on the corresponding second sliding bases respectively, and the same synchronizing assembly is arranged on the two second screw rods.

Preferably, the synchronizing assembly comprises a belt pulley which is fixedly sleeved on the two lead screws II, the two belt pulleys are sleeved with the same synchronous belt, the synchronous belt rotates to be provided with a tensioning wheel, the tensioning wheel is rotatably provided with an L-shaped rod, the L-shaped rod is sleeved with a connecting frame fixedly connected with the two sliding bases, the bottom end of the L-shaped rod extends to the outside of the connecting frame and is fixedly provided with a bottom plate, and a spring which is fixedly sleeved on the L-shaped rod is fixedly arranged between the bottom plate and the connecting frame.

Preferably, the support carries the case to set up for cavity, and holds in the palm the top of carrying the case and set up and be equipped with a plurality of ventholes one that are the matrix and distribute.

Preferably, the parallel and level subassembly includes and holds in the palm the rectangle case that carries the case and communicate each other, one side that the rectangle case is close to the support and carries the case is provided with a plurality ofly because of the indent bellied taper tooth, the taper tooth is the taper, set up a plurality of ventholes two that are linear distribution and run through the rectangle case on the taper tooth, the intake pipe is connected to one side that the support carried the case was kept away from to the rectangle case, rectangle incasement fixed mounting has the stiffener that a plurality of matrixes distribute.

Preferably, the direction subassembly includes two installation pieces of detachable installation at the workstation top, all rotates on two installation pieces to install the curb plate, rotates between two curb plates and installs a plurality of equidistant distribution's deflector roll.

Preferably, flexible cushions are arranged on the mutually close sides of the leveling component and the limiting plate.

A preparation method of a PET temperature-resistant polymer sheet adopts the production equipment of the PET temperature-resistant polymer sheet, and specifically comprises the following steps:

s1, a plurality of PET sheets continuously fall on four carrying boxes under the guidance of a guide assembly;

s2, driving the corresponding leveling component to be close to the guide component by the first pushing component, and in the process, matching the leveling component on the first pushing component with the guide component to align the front side and the rear side of the plurality of PET sheets;

s3, driving the corresponding guide assemblies to push the stacked PET sheets to be attached to the two limiting plates by the two variable pitch assemblies, so that two sides of the stacked PET sheets are aligned;

and S4, adjusting the angle of the guide assembly to enable the guide assembly and the four carrying boxes to form proper included angles, and then driving the corresponding flush assembly through the first pushing assembly to move the PET sheets which are orderly stacked together to the guide assembly and finally convey the PET sheets away.

Compared with the prior art, the invention has the beneficial effects that: first, the apparatus.

1. The guide component can guide the PET sheets to be stacked to slowly fall on the four carrying boxes for stacking under the action of gravity, can be used for conveying and transferring the PET sheets stacked on the carrying boxes by adjusting the inclination angle of the guide component, can be used as a fulcrum used by the PET sheets to be stacked, and can form a right-angled limiting angle by matching with the two limiting plates, so that the rectangular PET sheets can be integrally stacked, the space is saved when the PET sheets are stacked together neatly, and the probability of damage to the integrally stacked PET sheets is low;

2. according to the PET stacking device, the three leveling assemblies can push the stacked PET sheets from two sides, the PET sheets which are stacked in a mess can be orderly stacked through the limiting right angle formed by the three leveling assemblies, and high-pressure gas can be blown between the two adjacent PET sheets when the leveling assemblies are in contact with the PET sheets, so that the two adjacent PET sheets can be prevented from being clung together, and then the moved leveling assemblies can easily push the PET sheets and integrally stack the PET sheets together;

3. according to the PET sheet stacking device, the accommodating spaces with different sizes can be formed between the three parallel and level components and the two limiting plates through adjustment of the first variable-pitch component and the first pushing component, so that the PET sheet stacking device is suitable for PET sheets with the same thickness and different sizes, when the PET sheets are stacked on the carrying box, high-pressure gas introduced into the carrying box can be ejected through the first air outlet holes in the carrying box, the lowermost PET sheet is prevented from being in direct contact with the carrying box, the pressure of the PET sheet on the carrying box can be reduced, and the condition that the lowermost PET sheet is scratched can be avoided when the PET sheets which are stacked in order are taken out.

Drawings

FIG. 1 is a schematic view of the overall structure of a production facility of a PET temperature-resistant polymer sheet according to the present invention;

FIG. 2 is a schematic view of the overall structure of a production facility of a PET temperature-resistant polymer sheet according to the present invention;

FIG. 3 is a schematic structural diagram of a part of a production facility of a PET temperature-resistant polymer sheet provided by the invention;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic view of the overall structure of a carrying box in the production equipment of a PET temperature-resistant polymer sheet material provided by the invention;

FIG. 6 is a schematic side sectional view of a flush component in the production equipment of a PET temperature-resistant polymer sheet provided by the invention;

FIG. 7 is an enlarged view of portion A of FIG. 6;

FIG. 8 is a schematic view of the overall structure of a guide assembly in the production equipment of a PET temperature-resistant polymer sheet material according to the present invention;

fig. 9 is a schematic view of an overall structure of a guide assembly during angle adjustment in the production equipment of the PET temperature-resistant polymer sheet provided by the invention.

In the figure: 1. a work table; 2. a first pushing component; 21. a first sliding base; 22. a first telescopic device; 3. a pitch change assembly; 31. a second sliding base; 32. a second pushing component; 321. a sliding base III; 322. a second telescopic device; 33. a first screw rod; 34. an adjustment assembly; 341. a sliding base IV; 342. a second screw rod; 343. a hand wheel; 35. a synchronization component; 351. a pulley; 352. An L-shaped rod; 353. a tension pulley; 354. a base plate; 355. a spring; 356. a connecting frame; 357. A synchronous belt; 4. a guide assembly; 41. mounting a block; 42. a side plate; 43. a guide roller; 5. a carrying case; 51. a first air outlet; 6. a flush component; 61. a rectangular box; 62. an air inlet pipe; 63. A reinforcing bar; 64. a tapered tooth; 65. a second air outlet; 7. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Examples

Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a production facility of PET temperature resistant polymer sheet, comprises a workbench 1, the top slidable mounting of workstation 1 has promotion subassembly 2 and displacement subassembly 3, go up slidable mounting and be used for carrying out two spacing limiting plates 7 and promote to pile up PET sheet edge and carry out three parallel and level subassembly 6 that aligns, wherein two parallel and level subassemblies 6 and two limiting plate 7 symmetric distribution, two parallel and level subassemblies 6 and two limiting plate 7 equal fixed mounting in one side that are close to each other have the support case 5 that carries out the support to the PET sheet, another parallel and level subassembly 6 links together with promotion subassembly 2, the top of workstation 1 is installed and is used for leading to the PET sheet, and guide assembly 4 with adjustable angle.

The variable-pitch assembly 3 comprises two sliding bases II 31 which are arranged at the top of the workbench 1 in a sliding mode, a first screw rod 33 is connected between the two sliding bases II 31, the first screw rod 33 penetrates through one sliding base II 31 and is connected with the sliding base II 31 in a threaded mode, the first screw rod 33 is connected with the other sliding base II 31 in a rotating mode, the adjacent parallel and level assembly 6 and the limiting plate 7 are arranged on the same sliding base II 31 in a sliding mode, a second pushing assembly 32 for driving the parallel and level assembly 6 to move is arranged on the sliding base II 31, and an adjusting assembly 34 for driving the two limiting plate 7 to synchronously move is arranged on the two sliding bases II 31.

Further, the distance between the two sliding bases 31 can be changed by rotating the first screw rod 33, and the distance between the four carrying boxes 5 can be changed by matching the two pushing assemblies 32 and the adjusting assembly 34, so that the PET stacking device is suitable for stacking PET sheets with the same thickness and different sizes.

The first pushing assembly 2 comprises a first sliding base 21 which is slidably mounted at the top of the workbench 1, a first telescopic device 22 is fixedly mounted at the top of the first sliding base 21, an output rod of the first telescopic device 22 is fixedly connected with a corresponding flush component 6, the second pushing assembly 32 comprises a third sliding base 321 which is slidably mounted on the second sliding base 31, a second telescopic device 322 is fixedly mounted at the top of the third sliding base 321, and an output rod of the second telescopic device 322 is fixedly connected with the corresponding flush component 6.

Furthermore, the two second telescopic devices 322 can be driven synchronously or independently, so that the two level components 6 can push and align the stacked PET sheets synchronously, when the inclination angle of the stacked PET sheets is overlarge, one second telescopic device 322 can drive the corresponding level component 6 to push the stacked PET sheets so that the stacked PET sheets can be relatively level, then two parallel and level subassemblies 6 are controlled through two telescopic equipment two 322 to simultaneously push the stacked PET sheets to lean on two limiting plates 7, so that the two sides of the stacked PET sheets can be stacked in a neat and neat manner, the first telescopic equipment 22 drives the corresponding parallel and level subassemblies 6 to push the stacked PET sheets to abut against the guide assembly 4, and therefore the plurality of PET sheets can be stacked together in a neat and neat manner through the matching of the two limiting plates 7, the three parallel and level subassemblies 6 and the guide assembly 4.

The adjusting assembly 34 comprises two screw rods 342 rotatably connected with the two limiting plates 7, a hand wheel 343 is fixedly mounted at one end, away from the limiting plate 7, of one of the two screw rods 342, four sliding bases 341 are respectively sleeved on the two screw rods 342 in a threaded manner, the four sliding bases 341 are respectively slidably mounted on the corresponding two sliding bases 31, and the two screw rods 342 are provided with the same synchronizing assembly 35.

Further, under the fixed condition of parallel and level subassembly 6 and four 341 of sliding bottom seat, drive two 342 of one of them lead screw through rotating hand wheel 343 and rotate, through synchronizing assembly 35's connection, will make two 342 of lead screw rotate with the same direction in step, later will drive two limiting plate 7 synchronous motion to the interval that makes between two limiting plate 7 and two parallel and level subassemblies 6 changes, consequently can hold down the same thickness and the different PET sheet of size down.

The synchronous component 35 comprises belt pulleys 351 fixedly sleeved on the two screw rods 342, the same synchronous belt 357 is sleeved on the two belt pulleys 351, the synchronous belt 357 is rotatably provided with a tension wheel 353, the tension wheel 353 is rotatably provided with an L-shaped rod 352, the L-shaped rod 352 is slidably sleeved with a connecting frame 356 fixedly connected with one of the two sliding bases 31, the bottom end of the L-shaped rod 352 extends to the outside of the connecting frame 356 and is fixedly provided with a bottom plate 354, and a spring 355 fixedly arranged between the bottom plate 354 and the connecting frame 356 and sleeved on the L-shaped rod 352 in a sliding mode is fixedly arranged between the bottom plate 354 and the connecting frame 356.

Further, when rotating one of the two lead screw 342 through the hand wheel 343, through the linkage of two belt pulleys 351 and synchronous belt 357, two lead screw 342 will keep the synchronous rotation of the same direction, and when the interval appears changing between two lead screw 342, the horizontal interval between take-up pulley 353 and two link 356 will change, and under the spring action of spring 355, bottom plate 354 will drive take-up pulley 353 through L shape pole 352 and push down synchronous belt 357 all the time, will make synchronous belt 357 be in the state of tightening all the time through the cooperation of take-up pulley 353 and two belt pulleys 351, thereby make synchronous belt 357 can be accurate carry out the transmission between two belt pulleys 351, guarantee that two lead screw 342 can synchronous rotation all the time.

Parallel and level subassembly 6 includes and holds in the palm the rectangle case 61 that carries case 5 intercommunication each other, and rectangle case 61 is close to the one side that holds in the palm and carries case 5 and is provided with a plurality ofly because of the bellied taper tooth 64 of indent, and taper tooth 64 is the taper, sets up a plurality of ventholes two 65 that are linear distribution and run through rectangle case 61 on the taper tooth 64, and rectangle case 61 keeps away from the one side connection intake pipe 62 that holds in the palm and carries case 5, and fixed mounting has the stiffener 63 that a plurality of matrixes distribute in rectangle case 61.

Further, when stacking PET sheets stacked together, firstly, the air inlet pipe 62 is connected with a pipeline for outputting high-pressure air, the high-pressure air enters the rectangular box 61 through the air inlet pipe 62 and then is sprayed out from the two air outlet holes 65 on the two air outlet holes 65, when the leveling component 6 moves towards the stacked PET sheets, the high-pressure air sprayed out from the two air outlet holes 65 is blown to the joint of the two adjacent PET sheets, the edges of the two PET sheets are tilted and separated through the blowing of the high-pressure air, then the two PET sheets are inserted into the space between the two PET sheets along with the continuous movement of the leveling component 6, then the high-pressure air is continuously injected into the space between the two PET sheets, because a large amount of air exists between the two PET sheets, the two PET sheets originally tightly attached together are convenient to be separated, and then when the other side of the PET sheets is blocked, the leveling component 6 in the middle of movement can level the edges of the stacked PET sheets, and the plurality of PET sheets can be stacked together in a whole and neat manner.

The supporting and carrying box 5 is arranged in a hollow mode, and a plurality of first air outlet holes 51 distributed in a matrix mode are formed in the top of the supporting and carrying box 5.

Furthermore, when the PET sheets are placed on the supporting box 5, a part of high-pressure gas enters the supporting box 5 from the leveling component 6 and is finally sprayed out of the plurality of air outlet holes I51, so that the PET sheets and the supporting box 5 can be prevented from being attached together due to the fact that gas flows exist between the PET sheets and the supporting box 5, a certain gap is formed between the lowest PET sheet and the supporting box 5 due to the flowing of the high-pressure gas, then the first pushing component 2 can drive the corresponding leveling component 6 to push the stacked PET sheets to move from the supporting box 5 to the guide component 4, and in the process, due to the fact that the gap exists between the PET sheets and the supporting box 5, friction between the PET sheets and the supporting box 5 can be avoided in the moving process of the PET sheets, the lowest PET sheets can be prevented from being scratched, and the integrity of the PET sheets is guaranteed.

The guide assembly 4 comprises two mounting blocks 41 which are detachably mounted at the top of the workbench 1, side plates 42 are rotatably mounted on the two mounting blocks 41, and a plurality of guide rollers 43 which are distributed at equal intervals are rotatably mounted between the two side plates 42.

Further, when the PET sheets on the conveying device are conveyed to the four carrying boxes 5 for stacking, the two side plates 42 are firstly abutted against the conveying device, and a proper angle is kept between the two side plates 42 and the workbench 1, then the PET sheets on the conveying device are firstly fallen on the two side plates 42, then the PET sheets are slid onto the four carrying boxes 5 from the guide rollers 43 capable of rolling under the action of gravity, when a plurality of stacked PET sheets need to be removed from the carrying boxes 5, the side plates 42 originally abutted against the conveying device are separated from the conveying device, then the angles between the two side plates 42 and the carrying boxes 5 are adjusted, and the distance between the side plates 42 and the carrying boxes 5 is adjusted through the two side plates 42, then the pushing assembly-2 pushes the stacked PET sheets onto the guide assembly 4 through the corresponding leveling assemblies 6, and then the PET sheets can move to a target position from the rolling guide rollers 43.

And a flexible cushion layer is arranged on one side of the parallel component 6 and the limiting plate 7 which are close to each other.

Further, can play certain cushioning effect in the middle of the process that PET sheet and parallel and level subassembly 6 and limiting plate 7 contact through setting up the flexible layer, avoid between the two because the condition that damage appears in the PET sheet that leads to because of hard contact, the edge that also can avoid the PET sheet simultaneously appears by the condition of scratch, has guaranteed to pile up the in-process PET sheet and can not receive the damage.

A preparation method of a PET temperature-resistant polymer sheet adopts the production equipment of the PET temperature-resistant polymer sheet, and specifically comprises the following steps:

s1, a plurality of PET sheets continuously fall on four carrying boxes 5 under the guidance of a guide assembly 4;

s2, the first pushing assembly 2 drives the corresponding leveling assembly 6 to be close to the guide assembly 4, and in the process, the leveling assembly 6 on the first pushing assembly 2 is matched with the guide assembly 4 to enable the front side and the rear side of the PET sheets to be aligned;

s3, driving the corresponding guide assemblies 4 to push the stacked PET sheets to be attached to the two limiting plates 7 by the two distance-changing assemblies 3, so that two sides of the stacked PET sheets are aligned;

and S4, adjusting the angle of the guide assembly 4 to enable the guide assembly 4 and the four carrying boxes 5 to form a proper included angle, and then driving the corresponding leveling assembly 6 through the first pushing assembly 2 to move the PET sheets which are orderly stacked together onto the guide assembly 4 and finally convey the PET sheets away.

In this embodiment, the displacement paths of the first sliding base 21, the second sliding base 31, the third sliding base 321, and the fourth sliding base 341 are all straight lines, and the positions of the first sliding base 21, the second sliding base 31, the third sliding base 321, and the fourth sliding base 341 can be limited by fasteners and cannot be moved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The utility model provides a production facility of PET temperature resistant polymer sheet, includes workstation (1), its characterized in that: the top slidable mounting of workstation (1) has promotion subassembly (2) and displacement subassembly (3), go up slidable mounting and be used for carrying on two spacing limiting plates (7) and promote to pile up three parallel and level subassembly (6) that the PET sheet edge carried out the alignment to the PET sheet, wherein two parallel and level subassemblies (6) and two limiting plates (7) symmetric distribution, two parallel and level subassemblies (6) and two limiting plates (7) equal fixed mounting in one side of being close to each other have to carry out the support that holds in the palm the PET sheet and carry case (5), another parallel and level subassembly (6) link together with promotion subassembly (2), direction subassembly (4) that are used for leading the PET sheet and adjustable angle are installed at the top of workstation (1).

2. The production equipment of the PET temperature-resistant polymer sheet according to claim 1, characterized in that: variable-pitch subassembly (3) are connected with same lead screw one (33) including two sliding base two (31) at workstation (1) top at slidable mounting, between two sliding base two (31), lead screw one (33) run through one of them sliding base two (31) and be in the same place rather than threaded connection, and rotate with another sliding base two (31) and link together, adjacent parallel and level subassembly (6) and limiting plate (7) slidable mounting have on same sliding base two (31), install on sliding base two (31) drive parallel and level subassembly (6) carry out the promotion subassembly two (32) that remove, and install adjusting part (34) of two limiting plate (7) synchronous movement of same drive on two sliding base two (31).

3. The production equipment of the PET temperature-resistant polymer sheet material according to claim 2, characterized in that: promote subassembly (2) including sliding mounting sliding base (21) at workstation (1) top, the top fixed mounting of sliding base (21) has flexible equipment (22), the output pole of flexible equipment (22) is in the same place with parallel and level subassembly (6) fixed connection that corresponds, promote subassembly two (32) including sliding mounting sliding base three (321) on sliding base two (31), the top fixed mounting of sliding base three (321) has flexible equipment two (322), the output pole of flexible equipment two (322) is in the same place with parallel and level subassembly (6) fixed connection that corresponds.

4. The production equipment of the PET temperature-resistant polymer sheet according to claim 2, characterized in that: the adjusting assembly (34) comprises two screw rods (342) which are rotatably connected with the two limiting plates (7), a hand wheel (343) is fixedly mounted at one end, away from the limiting plates (7), of one of the two screw rods (342), four sliding bases (341) are arranged on the two screw rods (342) in a threaded sleeve mode, the four sliding bases (341) are respectively arranged on the two sliding bases (31) corresponding to the sliding mounts in a sliding mode, and the two screw rods (342) are provided with the same synchronizing assembly (35).

5. The production equipment of the PET temperature-resistant polymer sheet according to claim 4, characterized in that: synchronous component (35) are established belt pulley (351) on two lead screw two (342) including the fixed cover, and the cover is equipped with same hold-in range (357) on two belt pulley (351), hold-in range (357) rotate and install take-up pulley (353), it installs L shape pole (352) to rotate on take-up pulley (353), sliding sleeve is equipped with link (356) together with two (31) fixed connection of one of them sliding base on L shape pole (352), the bottom of L shape pole (352) extends to link (356) outside and fixed mounting has bottom plate (354), fixed mounting has spring (355) that same sliding sleeve was established on L shape pole (352) between bottom plate (354) and link (356).

6. The production equipment of the PET temperature-resistant polymer sheet material according to claim 1, characterized in that: the support carries case (5) and sets up for cavity, and holds in the palm the top of carrying case (5) and set up and be equipped with a plurality of ventholes (51) that are the matrix and distribute.

7. The production equipment of the PET temperature-resistant polymer sheet material according to claim 1, characterized in that: parallel and level subassembly (6) include and hold in the palm rectangle case (61) that carries case (5) and communicate each other, rectangle case (61) are close to the one side that holds in the palm and carry case (5) and are provided with a plurality ofly because of the indent and bellied taper tooth (64), taper tooth (64) are the taper, set up a plurality of ventholes two (65) that are linear distribution and run through rectangle case (61) on taper tooth (64), rectangle case (61) are kept away from the one side that holds in the palm and carry case (5) and are connected intake pipe (62), rectangle case (61) internal fixation installs stiffener (63) that a plurality of matrix distribute.

8. The production equipment of the PET temperature-resistant polymer sheet according to claim 1, characterized in that: the guide assembly (4) comprises two installation blocks (41) which are detachably installed at the top of the workbench (1), side plates (42) are installed on the two installation blocks (41) in a rotating mode, and a plurality of guide rollers (43) which are distributed at equal intervals are installed between the two side plates (42) in a rotating mode.

9. The production equipment of the PET temperature-resistant polymer sheet material according to claim 1, characterized in that: and the flexible cushion layer is arranged on one side of the parallel component (6) and the limiting plate (7) which are close to each other.

10. A preparation method of a PET temperature-resistant polymer sheet is suitable for the production equipment of the PET temperature-resistant polymer sheet in any one of claims 1 to 9, and is characterized in that: the method specifically comprises the following steps:

s1, a plurality of PET sheets continuously fall on four carrying boxes (5) under the guidance of a guide assembly (4);

s2, the first pushing assembly (2) drives the corresponding leveling assembly (6) to be close to the guide assembly (4), and in the process, the leveling assembly (6) on the first pushing assembly (2) is matched with the guide assembly (4) to align the front side and the rear side of the PET sheets;

s3, driving the corresponding guide assemblies (4) to push the stacked PET sheets to be attached to the two limiting plates (7) by the two variable pitch assemblies (3) so that two sides of the stacked PET sheets are aligned;

s4, adjusting the angle of the guide assembly (4) to enable the guide assembly and the four carrying boxes (5) to form proper included angles, and then driving the corresponding leveling assembly (6) through the first pushing assembly (2) to move the PET sheets which are orderly stacked together to the guide assembly (4) and finally convey the PET sheets away.

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