CN112871874A - Dust collecting device in process of producing PVC floor film by calendering method - Google Patents
Dust collecting device in process of producing PVC floor film by calendering method Download PDFInfo
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- CN112871874A CN112871874A CN202011583148.4A CN202011583148A CN112871874A CN 112871874 A CN112871874 A CN 112871874A CN 202011583148 A CN202011583148 A CN 202011583148A CN 112871874 A CN112871874 A CN 112871874A
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- fixedly connected
- bins
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- 239000000428 dust Substances 0.000 title claims abstract description 161
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000008569 process Effects 0.000 title claims abstract description 18
- 238000003490 calendering Methods 0.000 title claims abstract description 12
- 239000012528 membrane Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 36
- 229920000915 polyvinyl chloride Polymers 0.000 description 35
- 238000010521 absorption reaction Methods 0.000 description 14
- 230000009471 action Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 5
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- -1 azo compound Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
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- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
- B08B5/043—Cleaning travelling work
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a dust collecting device in the process of producing a PVC floor film by a calendering method, which comprises a conveyor and dust collecting bins, wherein the dust collecting bins are provided with two groups, the tops of two sides of the conveyor are fixedly connected with supports, and a beam frame is fixedly connected between the tops of the two groups of supports; the dust collection bin is arranged above the conveyor, mounting frames are fixedly mounted on two sides of the bottom of the dust collection bin respectively, cavities are formed in the two mounting frames respectively, a plurality of dust collection rollers are rotatably connected between the inner walls of the two mounting frames respectively, cavities are formed in the dust collection rollers respectively, a plurality of through holes are formed in the side wall of each dust collection roller, and first fans are fixedly mounted in the two mounting frames respectively.
Description
The technical field is as follows:
the invention relates to the field of processing of PVC floor films, in particular to a dust collecting device in the process of producing a PVC floor film by a calendering method.
Background art:
polyvinyl chloride (pvc), abbreviated as pvc in english, is an initiator of Vinyl Chloride Monomer (VCM) in peroxide, azo compound, etc.; or a polymer polymerized by a free radical polymerization mechanism under the action of light and heat. Vinyl chloride homopolymers and vinyl chloride copolymers are collectively referred to as vinyl chloride resins.
PVC is white powder with an amorphous structure, the branching degree is small, the relative density is about 1.4, the glass transition temperature is 77-90 ℃, decomposition starts at about 170 ℃, the stability to light and heat is poor, the PVC can be decomposed to generate hydrogen chloride at more than 100 ℃ or after long-time sunshine insolation, further the hydrogen chloride is automatically catalyzed and decomposed to cause color change, the physical and mechanical properties are also rapidly reduced, and a stabilizer must be added in practical application to improve the stability to heat and light.
The molecular weight of the PVC produced industrially is generally within the range of 5-11 ten thousand, and the PVC has larger polydispersity, and the molecular weight is increased along with the reduction of polymerization temperature; without a fixed melting point, softening begins at 80-85 ℃, the temperature of 130 ℃ becomes a viscoelastic state, and the temperature of 160-180 ℃ begins to change into a viscous state; the composite material has good mechanical properties, the tensile strength is about 60MPa, and the impact strength is 5-10 kJ/m 2; has excellent dielectric properties.
PVC has been the most widely used plastic in the world and is used in a very wide range of applications. The product has wide application in building materials, industrial products, daily necessities, floor leathers, floor tiles, artificial leathers, pipes, wires and cables, packaging films, bottles, foaming materials, sealing materials, fibers and the like.
The PVC material can be used as the material of the floor film, and the surface of the floor film can be polluted by dust in the production process, so that the product quality is influenced.
The invention content is as follows:
the invention aims to solve the technical problem of providing a dust collecting device in the process of producing a PVC floor film by a calendering method, which can repeatedly flatten the PVC floor film, ensure the laminating effect, collect dust, ensure the dust removal effect, intensively treat the collected dust and is easy to popularize and apply.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: a dust collecting device in the process of producing a PVC floor film by a calendering method comprises a conveyor and dust collection bins, wherein the dust collection bins are provided with two groups, the tops of two sides of the conveyor are fixedly connected with supports, and a beam frame is fixedly connected between the tops of the two groups of supports;
the two groups of dust collection bins are positioned above the conveyor, mounting frames are fixedly mounted on two sides of the bottom of the two groups of dust collection bins, cavities are formed in the two groups of mounting frames, a plurality of dust collection rollers are rotatably connected between the inner walls of the two groups of mounting frames, cavities are formed in each group of dust collection rollers, a plurality of through holes are formed in the side wall of each group of dust collection rollers, and first fans are fixedly mounted in the two groups of mounting frames;
the top parts of the two groups of dust collection bins are fixedly provided with dust collection bins which are arranged in a right-angled triangle, and the inclined surfaces of the dust collection bins and the inner walls of the dust collection bins are fixedly provided with slide rails;
the outer side wall of the right-angle side of the dust collection bin is fixedly connected with a plurality of straight pipes, the tail end of each straight pipe penetrates through the support and is fixedly connected with a hose, and the outer side of each straight pipe is wound with a spring which is positioned between the dust collection bin and the support;
the bottom side of the right part of the beam frame is fixedly provided with a motor, the left end of the motor is fixedly connected with a rotating rod, the left part of the rotating rod is provided with first threads, the right part of the rotating rod is provided with second threads, the first threads and the second threads are spirally connected with moving blocks through threads, the top sides of the moving blocks are movably connected with the bottom side of the beam frame, the bottoms of the two sets of moving blocks are rotatably hinged with connecting rods, the bottom ends of the two sets of connecting rods are rotatably connected with a top frame, the bottom of the top frame is fixedly connected with a top block, the top block is trapezoidal, and the top block is located between the two sets of slide rails.
Preferably, a plurality of rollers are fixedly mounted on the side walls of the two sides of the top block.
Preferably, each group of dust collection bin is connected with a rotating roller in an inner cavity in a rotating manner, and the side wall of the rotating roller is fixedly connected with a plurality of shifting pieces.
Preferably, the front end of each group of straight pipes is fixedly provided with a second fan.
The invention has the beneficial effects that: the PVC floor film conveying device is simple in structure, convenient and practical, when the PVC floor film is conveyed to the bottom of the beam frame by the conveyor, the dust collection roller is pressed on the upper surface of the PVC floor film, dust on the surface of the PVC floor film is sucked into the inner cavity of the dust collection roller through the through hole in the surface of the dust collection roller and enters the dust collection bin through the mounting frame, and dust collection treatment is carried out by the first motors at two ends of each dust collection roller in a negative pressure mode.
The motor drives the rotating rod to rotate, under the action of the first thread and the second thread, the moving block can realize synchronous gathering or separating motion, the lifting of the jacking block is controlled by the connecting rod, so that the lifting of the jacking block is driven, the jacking block is trapezoidal, under the guiding action of the sliding rails on the inner walls of the two groups of dust collecting bins, when the jacking block descends, the two groups of dust collecting bins can be driven to be synchronously separated, when the jacking block ascends, the two groups of dust collecting bins recover to the original positions under the action of the spring, the two groups of dust collecting bins can be controlled to do reciprocating motion in the horizontal direction along with the lifting of the jacking block, at the moment, the dust collecting roller rotates and can roll on the upper surface of the PVC floor film, dust on the upper surface of the dust collecting roller is adsorbed in the rotating process of the dust collecting roller, the dust collecting area can be increased by the rotating dust collecting roller, the PVC floor film can be rolled by the dust collecting roller back and forth, the condition that the PVC floor film is not adhered smoothly can be prevented;
the dust adsorbed in the dust collection bin is stirred into the dust collection bin by the stirring sheet on the rotating roller and finally is guided out by the second fan through the straight pipe for centralized processing, the straight pipe plays the functions of guiding dust and limiting the dust collection bin in the application, the spring wound outside the straight pipe can lead the two groups of dust collection bins to do reciprocating motion in the horizontal direction,
the PVC floor film laminating machine can repeatedly flatten a PVC floor film, ensures the laminating effect, absorbs dust, ensures the dust removal effect, can intensively treat the collected dust, and is easy to popularize and apply.
Description of the drawings:
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention in operation;
FIG. 3 is a schematic view of the structure of the dust collecting bin and the dust collecting bin of the present invention;
FIG. 4 is a top view of the suction roll of the present invention;
FIG. 5 is a schematic view of the construction of the dust suction roll of the present invention;
wherein: 1. a conveyor; 2. a support; 3. a beam frame; 4. a dust collection bin; 5. a mounting frame; 6. a dust suction roller; 7. a dust collection bin; 8. a slide rail; 9. a through hole; 10. a first fan; 11. a second fan; 12. a straight pipe; 13. a spring; 14. a hose; 15. a motor; 16. a rotating rod; 17. a first thread; 18. a second thread; 19. a moving block; 20. a connecting rod; 21. a top frame; 22. a top block; 23. a roller; 24. rotating the roller; 25. a shifting sheet.
The specific implementation mode is as follows:
in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Example 1: as shown in fig. 1-5, the dust collecting device in the process of producing the PVC floor film by the calendering method comprises a conveyor 1 and dust collection bins 4, wherein the dust collection bins 4 are provided with two groups, the tops of both sides of the conveyor 1 are fixedly connected with supports 2, and a beam frame 3 is fixedly connected between the tops of the two groups of supports 2;
the two groups of dust collection bins 4 are positioned above the conveyor 1, mounting frames 5 are fixedly mounted on two sides of the bottoms of the two groups of dust collection bins 4, cavities are formed in the two groups of mounting frames 5, a plurality of dust collection rollers 6 are rotatably connected between the inner walls of the two groups of mounting frames 5, cavities are formed in the dust collection rollers 6 of each group, a plurality of through holes 9 are formed in the side wall of each group of dust collection rollers 6, and first fans 10 are fixedly mounted in the two groups of mounting frames 5;
the top parts of the two groups of dust collection bins 4 are fixedly provided with dust collection bins 7, the dust collection bins 7 are arranged into right-angled triangles, and the inclined surfaces of the dust collection bins 7 and the inner walls of the dust collection bins 4 are fixedly provided with slide rails 8;
the outer side wall of the right-angle side of the dust collection bin 7 is fixedly connected with a plurality of straight pipes 12, the tail end of each straight pipe 12 penetrates through the support 2 and is fixedly connected with a hose 14, the outer side of each straight pipe 12 is wound with a spring 13, and the spring 13 is positioned between the dust collection bin 7 and the support 2;
a motor 15 is fixedly mounted on the bottom side of the right portion of the beam frame 3, a rotating rod 16 is fixedly connected to the left end of the motor 15, first threads 17 are arranged on the left portion of the rotating rod 16, second threads 18 are arranged on the right portion of the rotating rod 16, a moving block 19 is spirally connected to the first threads 17 and the second threads 18 through threads, the top side of the moving block 19 is movably connected to the bottom side of the beam frame 3, connecting rods 20 are rotatably hinged to the bottoms of the two sets of moving blocks 19, the bottom ends of the two sets of connecting rods 20 are rotatably connected with a top frame 21, a top block 22 is fixedly connected to the bottom of the top frame 21, the top block 22 is trapezoidal, and the top block 22 is located between the two sets of slide rails 8.
And a plurality of rollers 23 are fixedly mounted on the side walls of the two sides of the top block 22.
And the front end of each group of straight pipes 12 is fixedly provided with a second fan 11.
The in-process that the conveyer was carried the PVC floor membrane, when carrying the bottom to the roof beam structure, the dust absorption rod is pressed at the upper surface of PVC floor membrane, through the through-hole on dust absorption roller surface, inhales the inner chamber of dust absorption roller with the dust on PVC floor membrane surface and in getting into the dust absorption storehouse through the mounting bracket, carries out the dust absorption by the mode of negative pressure through the first motor at every dust removal roller both ends and handles.
The motor drives the rotating rod to rotate, under the action of the first thread and the second thread, the moving block can realize synchronous gathering or separating motion, the lifting of the jacking block is controlled by the connecting rod, so that the lifting of the jacking block is driven, the jacking block is trapezoidal, under the guiding action of the sliding rails on the inner walls of the two groups of dust collecting bins, when the jacking block descends, the two groups of dust collecting bins can be driven to be synchronously separated, when the jacking block ascends, the two groups of dust collecting bins recover to the original positions under the action of the spring, the two groups of dust collecting bins can be controlled to do reciprocating motion in the horizontal direction along with the lifting of the jacking block, at the moment, the dust collecting roller rotates and can roll on the upper surface of the PVC floor film, dust on the upper surface of the dust collecting roller is adsorbed in the rotating process of the dust collecting roller, the dust collecting area can be increased by the rotating dust collecting roller, the PVC floor film can be rolled by the dust collecting roller back and forth, the condition that the PVC floor film is not adhered smoothly can be prevented;
the dust that adsorbs in the dust absorption storehouse is dialled to the dust collection storehouse in by the plectrum on the rotatory commentaries on classics roller, is passed through the straight tube by the second fan at last and derives, centralized processing, and the straight tube plays in this application and leads dirt and to the spacing function in dust collection storehouse, and its outside winding spring can make two sets of dust absorption storehouses be reciprocating motion on the horizontal direction.
Example 2: as shown in fig. 1-5, the dust collecting device in the process of producing the PVC floor film by the calendering method comprises a conveyor 1 and dust collection bins 4, wherein the dust collection bins 4 are provided with two groups, the tops of both sides of the conveyor 1 are fixedly connected with supports 2, and a beam frame 3 is fixedly connected between the tops of the two groups of supports 2;
the two groups of dust collection bins 4 are positioned above the conveyor 1, mounting frames 5 are fixedly mounted on two sides of the bottoms of the two groups of dust collection bins 4, cavities are formed in the two groups of mounting frames 5, a plurality of dust collection rollers 6 are rotatably connected between the inner walls of the two groups of mounting frames 5, cavities are formed in the dust collection rollers 6 of each group, a plurality of through holes 9 are formed in the side wall of each group of dust collection rollers 6, and first fans 10 are fixedly mounted in the two groups of mounting frames 5;
the top parts of the two groups of dust collection bins 4 are fixedly provided with dust collection bins 7, the dust collection bins 7 are arranged into right-angled triangles, and the inclined surfaces of the dust collection bins 7 and the inner walls of the dust collection bins 4 are fixedly provided with slide rails 8;
the outer side wall of the right-angle side of the dust collection bin 7 is fixedly connected with a plurality of straight pipes 12, the tail end of each straight pipe 12 penetrates through the support 2 and is fixedly connected with a hose 14, the outer side of each straight pipe 12 is wound with a spring 13, and the spring 13 is positioned between the dust collection bin 7 and the support 2;
a motor 15 is fixedly mounted on the bottom side of the right portion of the beam frame 3, a rotating rod 16 is fixedly connected to the left end of the motor 15, first threads 17 are arranged on the left portion of the rotating rod 16, second threads 18 are arranged on the right portion of the rotating rod 16, a moving block 19 is spirally connected to the first threads 17 and the second threads 18 through threads, the top side of the moving block 19 is movably connected to the bottom side of the beam frame 3, connecting rods 20 are rotatably hinged to the bottoms of the two sets of moving blocks 19, the bottom ends of the two sets of connecting rods 20 are rotatably connected with a top frame 21, a top block 22 is fixedly connected to the bottom of the top frame 21, the top block 22 is trapezoidal, and the top block 22 is located between the two sets of slide rails 8.
And a plurality of rollers 23 are fixedly mounted on the side walls of the two sides of the top block 22.
Each group of dust collection bin 4 is rotatably connected with a roller 24 in the inner cavity, and the side wall of the roller 24 is fixedly connected with a plurality of shifting pieces 25.
And the front end of each group of straight pipes 12 is fixedly provided with a second fan 11.
The in-process that the conveyer was carried the PVC floor membrane, when carrying the bottom to the roof beam structure, the dust absorption rod is pressed at the upper surface of PVC floor membrane, through the through-hole on dust absorption roller surface, inhales the inner chamber of dust absorption roller with the dust on PVC floor membrane surface and in getting into the dust absorption storehouse through the mounting bracket, carries out the dust absorption by the mode of negative pressure through the first motor at every dust removal roller both ends and handles.
The motor drives the rotating rod to rotate, under the action of the first thread and the second thread, the moving block can realize synchronous gathering or separating motion, the lifting of the jacking block is controlled by the connecting rod, so that the lifting of the jacking block is driven, the jacking block is trapezoidal, under the guiding action of the sliding rails on the inner walls of the two groups of dust collecting bins, when the jacking block descends, the two groups of dust collecting bins can be driven to be synchronously separated, when the jacking block ascends, the two groups of dust collecting bins recover to the original positions under the action of the spring, the two groups of dust collecting bins can be controlled to do reciprocating motion in the horizontal direction along with the lifting of the jacking block, at the moment, the dust collecting roller rotates and can roll on the upper surface of the PVC floor film, dust on the upper surface of the dust collecting roller is adsorbed in the rotating process of the dust collecting roller, the dust collecting area can be increased by the rotating dust collecting roller, the PVC floor film can be rolled by the dust collecting roller back and forth, the condition that the PVC floor film is not adhered smoothly can be prevented;
the dust that adsorbs in the dust absorption storehouse is dialled to the dust collection storehouse in by the plectrum on the rotatory commentaries on classics roller, is passed through the straight tube by the second fan at last and derives, centralized processing, and the straight tube plays in this application and leads dirt and to the spacing function in dust collection storehouse, and its outside winding spring can make two sets of dust absorption storehouses be reciprocating motion on the horizontal direction.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a dust collecting device in calendering method production PVC floor membrane process which characterized in that: the dust collection device comprises a conveyor (1) and dust collection bins (4), wherein the dust collection bins (4) are arranged in two groups, supports (2) are fixedly connected to the tops of two sides of the conveyor (1), and beam frames (3) are fixedly connected between the tops of the two groups of supports (2);
the two groups of dust collection bins (4) are positioned above the conveyor (1), mounting frames (5) are fixedly mounted on two sides of the bottom of the two groups of dust collection bins (4), cavities are arranged in the two groups of mounting frames (5), a plurality of dust collection rollers (6) are rotatably connected between the inner walls of the two groups of mounting frames (5), a cavity is arranged in each group of dust collection rollers (6), a plurality of through holes (9) are formed in the side wall of each group of dust collection rollers (6), and first fans (10) are fixedly mounted in the two groups of mounting frames (5);
dust collection bins (7) are fixedly mounted at the tops of the two dust collection bins (4), the dust collection bins (7) are arranged to be right-angled triangles, and sliding rails (8) are fixedly mounted on the inclined surfaces of the dust collection bins (7) and the inner walls of the dust collection bins (4);
the outer side wall of the right-angle side of the dust collection bin (7) is fixedly connected with a plurality of straight pipes (12), the tail end of each straight pipe (12) penetrates through the support (2) and is fixedly connected with a hose (14), the outer side of each straight pipe (12) is wound with a spring (13), and the spring (13) is positioned between the dust collection bin (7) and the support (2);
the bottom side of the right part of the beam frame (3) is fixedly provided with a motor (15), the left end of the motor (15) is fixedly connected with a rotating rod (16), the left part of the rotating rod (16) is provided with first threads (17), the right part of the rotating rod (16) is provided with second threads (18), the first threads (17) and the second threads (18) are spirally connected with a moving block (19) through threads, the top side of the moving block (19) is movably connected with the bottom side of the beam frame (3), the bottoms of the two sets of moving blocks (19) are rotatably hinged with connecting rods (20), the bottom ends of the two sets of connecting rods (20) are rotatably connected with a top frame (21), the bottom of the top frame (21) is fixedly connected with a top block (22), the top block (22) is trapezoidal, and the top block (22) is located between the two sets of slide rails (8).
2. The dust collecting device in the process of producing the PVC floor film by the calendering method according to claim 1, is characterized in that: and a plurality of rollers (23) are fixedly mounted on the side walls of the two sides of the top block (22).
3. The dust collecting device in the process of producing the PVC floor film by the calendering method according to claim 1, is characterized in that: each group of dust collection bin (4) is connected with a rotating roller (24) in an inner cavity in a rotating mode, and a plurality of shifting pieces (25) are fixedly connected to the side wall of the rotating roller (24).
4. The dust collecting device in the process of producing the PVC floor film by the calendering method according to claim 1, is characterized in that: and the front end of each group of straight pipes (12) is fixedly provided with a second fan (11).
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CN108935778A (en) * | 2018-09-10 | 2018-12-07 | 李保印 | A kind of Tea Production tealeaves cake of press molding machine |
CN210253247U (en) * | 2019-07-02 | 2020-04-07 | 通化师范学院 | Dust collector who is convenient for change brush head inside computer |
CN210173328U (en) * | 2019-07-26 | 2020-03-24 | 扬州市职业大学(扬州市广播电视大学) | A quick dust extraction for accurate numerically control grinder |
CN111069181A (en) * | 2019-12-19 | 2020-04-28 | 安徽嘉阳新材料科技有限公司 | Dust collecting device in process of producing PVC printing film by calendering method |
CN211309065U (en) * | 2019-12-30 | 2020-08-21 | 上饶市韦特服饰有限公司 | Dress packing is with impurity adsorption equipment |
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