CN115183562B - Constant-temperature drying equipment for PVC sheet processing - Google Patents
Constant-temperature drying equipment for PVC sheet processing Download PDFInfo
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- CN115183562B CN115183562B CN202211024523.0A CN202211024523A CN115183562B CN 115183562 B CN115183562 B CN 115183562B CN 202211024523 A CN202211024523 A CN 202211024523A CN 115183562 B CN115183562 B CN 115183562B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
- F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
- F26B13/12—Controlling movement, tension or position of material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
- F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
- F26B13/14—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Drying Of Solid Materials (AREA)
Abstract
The invention discloses constant temperature drying equipment for PVC sheet processing, which relates to the technical field of PVC sheet processing and comprises the following components: a base; a conveying member; the inner parts of the protective cover and the base are provided with air heaters; and a retractor installed inside the conveying member; the PVC sheet moves between the two conveying belts through the tractor; the air heater is used for drying the PVC sheet between the two conveying belts. According to the constant-temperature drying equipment for processing the PVC sheet, one end of the PVC sheet is pulled by the tractor, so that the PVC sheet between the two conveying belts is suspended, the technical problems that the existing constant-temperature drying equipment for processing the PVC sheet is poor in drying efficiency and can only carry out single-sided drying when in use are effectively solved, and further simultaneous drying of two sides is realized, the transported sheet can be automatically pulled, and the drying efficiency is improved.
Description
Technical Field
The invention relates to the technical field of PVC sheet production, in particular to constant-temperature drying equipment for PVC sheet processing.
Background
Polyvinyl chloride (PVC) is a universal resin with wider application, has great connection with life of human beings and is an indispensable important material. The PVC can be applied to the fields of medical treatment, agriculture, manufacturing industry and the like, is used for producing plastic with the longest development time after industrialization, has more advantages, such as better insulativity, corrosion resistance, good wear resistance, flame retardance and the like, and needs to be treated for multiple times in the production process, wherein when the cleaned PVC sheet is dried, drying equipment is needed to be repeatedly dried.
At present, when the existing constant-temperature drying equipment for processing the PVC sheets is used, the distribution becomes dense gradually from front to back, so that when the PVC sheets just enter a main box, the temperature is not increased instantaneously, but the temperature is increased gradually along with the advancing of the PVC sheets, and the temperature is increased gradually; the partition board is arranged between the heating pipe and the PVC sheet, the partition board plays a role of buffering heat, a large amount of heat is prevented from directly rushing to the PVC sheet, the through holes in the partition board are in a unique arrangement mode, the more the number of each row of through holes is more backward, the more the number of the through holes is, the more the heat can be passed, and the shrinkage hardening of the PVC sheet caused by rapid temperature rise is avoided by the uniform temperature rise heating mode; the PVC sheet material preheating device comprises a main box, wherein the front of the main box is provided with an auxiliary box, a plurality of small heating pipes are arranged in the auxiliary box, PVC sheet materials enter the auxiliary box before entering the main box, and the small heating pipes in the auxiliary box can preheat the PVC sheet materials.
However, in the implementation process of the technical scheme, at least the following technical problems are found:
poor drying efficiency, and can only carry out single-sided drying: when the existing constant temperature drying equipment for processing PVC sheets is used, only one side of the PVC sheets can be dried, namely, when the existing constant temperature drying equipment is dried, only one side of the PVC sheets can be dried firstly, after the drying of the PVC sheets on the side is completed, the PVC sheets are turned over, so that the other side faces upwards, and then the side is dried.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides constant temperature drying equipment for PVC sheet processing, which solves the technical problems that the conventional constant temperature drying equipment for PVC sheet processing is poor in drying efficiency and can only carry out single-sided drying when in use.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme:
a constant temperature drying apparatus for PVC sheet processing, the constant temperature drying apparatus includes a base for storing a hot air blower (wrapping but not limited to adopting the hot air blower, such as a heating wire, etc.) and supporting the apparatus, and a conveying member (including two conveying belts corresponding to each other in front and back) for conveying PVC sheets is installed at the top of the base, and a tractor is installed between the two conveying belts, as shown in fig. 2 and 3:
the base is internally provided with an air heater which is used for drying the water at the bottom of the PVC sheet;
the conveying piece is arranged at the top of the base and is used for conveying PVC sheets;
the protection casing (the air heater inside the protection casing is used for drying the moisture at the top of the PVC sheet), the protection casing is erected at the top of the conveying piece, the air heaters are arranged inside the protection casing and the base, and the air outlets of the two air heaters face the conveying piece, so that the upper surface and the lower surface of the PVC sheet are dried, and the PVC sheet is prevented from being repeatedly heated; and
the tractor is arranged in the conveying piece and is used for dragging the PVC sheet, so that the PVC sheet on one conveying belt is conveyed to the other conveying belt, the PVC sheet between the two conveying belts is suspended conveniently, at the moment, the PVC sheet is not contacted with other objects, hot air cannot be blocked from being contacted with the PVC sheet, the drying comprehensiveness is improved, and the PVC sheet can be heated uniformly;
the conveying piece comprises two conveying belts which correspond to each other in the front and the rear, the two conveying belts are respectively positioned at the front end and the rear end of the tractor, as shown in fig. 2 and 3, a PVC sheet moves between the two conveying belts through the tractor, a gap exists between the two conveying belts, and a hot air blower is arranged in the gap and can blow hot air to the direction of the PVC sheet, so that the PVC sheet is dried;
the air heater is used for drying the PVC sheet between the two conveying belts, namely, the two air heaters are used for drying the upper surface and the lower surface of the PVC sheet at the same time.
In some examples, the tractor includes two squeeze rolls that are parallel to each other, and the bearing frame is installed to the tip of squeeze roll, and the bearing frame is driven by the telescopic link of installing in the transport piece and is stretched out and drawn back, and when using, the telescopic link drives squeeze roll back and forth, as shown in fig. 4 and 6, when the PVC sheet was transported between two squeeze rolls, the motor outside the control bearing frame drove the squeeze roll and rotated for squeeze roll extrusion PVC sheet, thereby clip the PVC sheet, later transport the PVC sheet to another conveyer belt by the telescopic link again, as shown in fig. 6, so need not the manual work and pull the PVC sheet, can hang and pull the PVC sheet in the transportation, improve work efficiency.
In some examples, a support table (in the shape of a rectangular frame for supporting a conveyor belt) is mounted on top of the base.
In some examples, two limiting pieces are mounted on the top of the supporting table, and the two limiting pieces respectively correspond to the two conveying belts up and down;
the limiting piece is located above the conveying belt and used for limiting the PVC sheet between the limiting piece and the conveying belt.
In some examples, the sliding rails are mounted on the inner walls of the two sides of the supporting table, the supporting table is connected with the bearing seat through the sliding rails, and the two ends of the extrusion roller can be supported and guided in the process that the telescopic rod drives the extrusion roller to move back and forth, so that the moving stability of the extrusion roller is improved.
In some examples, a motor is mounted external to the bearing housing (to power the rotation of the squeeze rollers), and an output shaft of the motor extends through the bearing housing and is connected to an end of the squeeze rollers such that the squeeze rollers rotate such that the PVC sheet between the two squeeze rollers is pulled forward.
In some examples, an end of the conveyor belt facing the squeeze roller is mounted with an abutment plate, and the abutment plate is connected to an inner wall of the support table, as shown in fig. 6;
wherein, the recess has all been seted up to the both sides of butt joint board, and the recess corresponds with the squeeze roll, and the convenience is when squeeze roll and conveyer belt correspond, and the PVC sheet can not remove in the clearance between squeeze roll and the conveyer belt.
In some examples, the exterior of the squeeze roll is sleeved with a cylindrical flexible tape, and an air bag is filled between the flexible tape and the squeeze roll, so that the flexible tape squeezes the PVC sheet, as shown in fig. 6;
wherein flexible magnetic tapes outside the two squeeze rolls are attracted to each other, thereby sandwiching the PVC sheet.
Preferably, the tractor comprises a plurality of traction rollers, and the traction rollers are divided into two groups and are respectively and movably connected with the inner wall of the supporting table;
the traction roller is dumbbell-shaped, and is driven to rotate by a motor arranged in the supporting table to drive the traction roller to rotate, so that the side wall of the PVC sheet is supported and transported.
In some examples, the air mover below the PVC sheet blows more air than the air mover above the PVC sheet (i.e., the PVC sheet is subjected to an upward force that is greater than a downward force), thereby providing support for the PVC sheet.
(III) beneficial effects
1. Because the one end of PVC sheet has been pulled to the tractor that has adopted for the PVC sheet passes two conveyer belts, and the PVC sheet between two conveyer belts is unsettled, so, effectively solved the constant temperature drying equipment of current PVC sheet processing when using, drying efficiency is poor, and can only carry out the technical problem of single face stoving, and then realized two sides and dried simultaneously, and can also pull the sheet that the transportation comes automatically, improve the efficiency of stoving.
2. Because the traction roller is adopted to support and pull the side wall of the PVC sheet, the PVC sheet passing through between the two conveying belts is suspended, so that the technical problems that the existing constant-temperature drying equipment for processing the PVC sheet is poor in drying efficiency and can only carry out single-sided drying when in use are effectively solved, two sides of the PVC sheet are simultaneously dried, the transported sheet can be automatically pulled, and the drying efficiency is improved.
Drawings
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.
FIG. 1 is an overall block diagram of an embodiment of the present invention;
FIG. 2 is a block diagram of a transport and retractor in an embodiment of the present invention;
FIG. 3 is a block diagram of the spacing element separated from the conveying element in the embodiment of the present invention;
FIG. 4 is a block diagram of a retractor of embodiment 1 of the present invention;
FIG. 5 is a state diagram of the embodiment 1 of the present invention;
FIG. 6 is a partial sectional view showing an implementation state of embodiment 1 of the present invention;
FIG. 7 is a block diagram of a transport and retractor of embodiment 2 of the present invention;
fig. 8 is a structural view of a pulling roll in embodiment 2 of the present invention;
fig. 9 is a real-time state diagram of embodiment 2 of the present invention.
Legend description: 1. a base; 2. a conveying member; 21. a support table; 22. a conveyor belt; 3. a limiting piece; 4. a protective cover; 5. a retractor; 51. a bearing seat; 52. a squeeze roll; 53. a telescopic rod; 54. an abutting plate; 6. and (5) a traction roller.
Detailed Description
This embodiment of the application is through providing a constant temperature drying equipment for PVC sheet processing, the constant temperature drying equipment of current PVC sheet processing has effectively been solved when using, drying efficiency is poor, and can only carry out the technical problem of single face stoving, when the constant temperature drying equipment of current PVC sheet processing uses, owing to adopted the tractor to hold the one end of PVC sheet, make the PVC sheet pass two conveyer belts, and the PVC sheet between two conveyer belts is unsettled (or adopted the traction roller to support and pull the lateral wall of PVC sheet, make the PVC sheet between two conveyer belts unsettled), and then realized two sides simultaneous stoving, and can also draw the sheet that the transportation comes automatically, improve the efficiency of stoving
Example 1
The technical scheme in this application embodiment is for effectively having solved the constant temperature drying equipment of current PVC sheet processing when using, and drying efficiency is poor, and can only carry out the technical problem of single face stoving, and the overall thinking is as follows:
in view of the problems existing in the prior art, the present invention provides a constant temperature drying apparatus for PVC sheet processing, which includes a base 1 for storing a hot air blower (wrapping but not limited to using a hot air blower such as a heating wire, etc.) and supporting a device, and a conveyor 2 (including two conveyor belts 22 corresponding to each other) for transporting PVC sheets is installed at the top of the base 1, and a tractor 5 installed between the two conveyor belts 22, as shown in fig. 2 and 3:
the base 1 is internally provided with an air heater which is used for drying the water at the bottom of the PVC sheet;
a conveying member 2 mounted on the top of the base 1, and the conveying member 2 is used for conveying PVC sheets;
the protection cover 4 (the air heater inside the protection cover 4 is used for drying the water at the top of the PVC sheet), is erected at the top of the conveying piece 2, and the air heaters are arranged inside the protection cover 4 and the base 1, and the air outlets of the two air heaters face the conveying piece 2, so that the upper surface and the lower surface of the PVC sheet are dried, and the PVC sheet is prevented from being repeatedly heated; and
the tractor 5 is arranged in the conveying piece 2, and the tractor 5 is used for dragging the PVC sheet, so that the PVC sheet on one conveying belt 22 is conveyed to the other conveying belt 22, the PVC sheet between the two conveying belts 22 is suspended conveniently, at the moment, the PVC sheet is not contacted with other objects, hot air cannot be blocked from contacting the PVC sheet, the drying comprehensiveness is improved, and the PVC sheet can be heated uniformly;
the conveying member 2 includes two conveying belts 22 corresponding to each other in front and back, and the two conveying belts 22 are respectively located at front and back ends of the tractor 5, as shown in fig. 2 and 3, the PVC sheet moves between the two conveying belts 22 through the tractor 5, a gap exists between the two conveying belts 22, and a hot air blower is installed in the gap, and the hot air blower can blow hot air to the direction of the PVC sheet, so that the PVC sheet is dried;
the air heater is used for drying the PVC sheet between the two conveying belts 22, namely, the two air heaters are used for drying the upper surface and the lower surface of the PVC sheet at the same time.
In some examples, the tractor 5 includes two squeeze rollers 52 parallel to each other, the end portions of the squeeze rollers 52 are provided with bearing blocks 51, the bearing blocks 51 are driven by telescopic rods 53 installed inside the conveying member 2 to stretch and retract, when in use, the telescopic rods 53 drive the squeeze rollers 52 to move forwards and backwards, as shown in fig. 4 and 6, when the PVC sheet is transported between the two squeeze rollers 52, the motor outside the bearing blocks 51 is controlled to drive the squeeze rollers 52 to rotate, so that the squeeze rollers 52 squeeze the PVC sheet, thereby clamping the PVC sheet, and then the telescopic rods 53 transport the PVC sheet onto the other conveying belt 22, as shown in fig. 6, so that the PVC sheet in the transportation process can be suspended and pulled without manually pulling the PVC sheet, thereby improving the working efficiency.
In some examples, a support table 21 (in the shape of a rectangular frame for supporting the conveyor belt 22) is mounted on top of the base 1, and the conveyor belt 22 is mounted on the support table 21.
In some examples, two limiting pieces 3 are mounted on the top of the supporting table 21, and the two limiting pieces 3 respectively correspond to the two conveying belts 22 up and down;
wherein, the locating part 3 is located the top of conveyer belt 22, and the locating part 3 is used for restricting the PVC sheet between locating part 3 and conveyer belt 22.
In some examples, the inner walls of both sides of the supporting table 21 are provided with sliding rails, and the supporting table 21 is connected with the bearing seat 51 through the sliding rails, so that both ends of the squeeze roller 52 can be supported and guided in the process that the telescopic rod 53 drives the squeeze roller 52 to move back and forth, thereby improving the moving stability of the squeeze roller 52.
In some examples, a motor (powering the rotation of the squeeze rollers 52) is mounted outside the bearing housing 51, and an output shaft of the motor penetrates the bearing housing 51 and is connected to an end of the squeeze rollers 52 such that the squeeze rollers 52 rotate such that the PVC sheet between the two squeeze rollers 52 is pulled forward.
In some examples, an end of the conveyor belt 22 facing the pressing roller 52 is mounted with an abutment plate 54, and the abutment plate 54 is connected with the inner wall of the support table 21, as shown in fig. 6;
wherein, the recess has all been seted up to the both sides of butt plate 54, and the recess corresponds with squeeze roll 52, and convenient when squeeze roll 52 and conveyer belt 22 correspond, the PVC sheet can not remove in the clearance between squeeze roll 52 and the conveyer belt 22.
In some examples, the exterior of the squeeze roll 52 is sleeved with a cylindrical flexible tape, and an air bladder is filled between the flexible tape and the squeeze roll 52, such that the flexible tape squeezes the PVC sheet, as shown in fig. 6;
wherein the flexible magnetic tape outside the two squeeze rolls 52 is attracted to each other, thereby sandwiching the PVC sheet.
In a specific implementation process, a PVC sheet is transported from one end of the top of the conveying member 2 to a gap between the protective cover 4 and the base 1, that is, the PVC sheet moves along one of the conveying belts 22 toward the direction where the tractor 5 is located, meanwhile, the telescopic rod 53 drives the squeeze roller 52 to move toward the position where the conveying belt 22 is located and to be clamped into a groove outside the butt plate 54, then the PVC sheet continues to move forward, when the PVC sheet is transported between the two squeeze rollers 52, the motor outside the bearing seat 51 is controlled to drive the squeeze roller 52 to rotate, so that the squeeze roller 52 squeezes the PVC sheet, thereby clamping the PVC sheet, and then the telescopic rod 53 contracts to transport the PVC sheet onto the other conveying belt 22, as shown in fig. 6, at this time, the PVC sheet covers the two conveying belts 22, and the PVC sheet located between the two conveying belts 22 is suspended, at this time, the part of the PVC sheet is not contacted with other objects, and hot air cannot be blocked from contacting the PVC sheet, thereby improving the integrity of drying, and enabling the PVC sheet to be heated uniformly.
Example 2
The embodiment of the application effectively solves the technical problems that the existing constant temperature drying equipment for processing PVC sheets is poor in drying efficiency and can only carry out single-sided drying when in use, and the overall thinking is as follows:
in view of the problems existing in the prior art, the present invention provides a constant temperature drying apparatus for PVC sheet processing, which includes a base 1 for storing a hot air blower (wrapping but not limited to using a hot air blower such as a heating wire, etc.) and supporting a device, and a conveyor 2 (including two conveyor belts 22 corresponding to each other) for transporting PVC sheets is installed at the top of the base 1, and a tractor 5 installed between the two conveyor belts 22, as shown in fig. 2 and 3:
the base 1 is internally provided with an air heater which is used for drying the water at the bottom of the PVC sheet;
a conveying member 2 mounted on the top of the base 1, and the conveying member 2 is used for conveying PVC sheets;
the protection cover 4 (the air heater inside the protection cover 4 is used for drying the water at the top of the PVC sheet), is erected at the top of the conveying piece 2, and the air heaters are arranged inside the protection cover 4 and the base 1, and the air outlets of the two air heaters face the conveying piece 2, so that the upper surface and the lower surface of the PVC sheet are dried, and the PVC sheet is prevented from being repeatedly heated; and
the tractor 5 is arranged in the conveying piece 2, and the tractor 5 is used for dragging the PVC sheet, so that the PVC sheet on one conveying belt 22 is conveyed to the other conveying belt 22, the PVC sheet between the two conveying belts 22 is suspended conveniently, at the moment, the PVC sheet is not contacted with other objects, hot air cannot be blocked from contacting the PVC sheet, the drying comprehensiveness is improved, and the PVC sheet can be heated uniformly;
the conveying member 2 includes two conveying belts 22 corresponding to each other in front and back, and the two conveying belts 22 are respectively located at front and back ends of the tractor 5, as shown in fig. 2 and 3, the PVC sheet moves between the two conveying belts 22 through the tractor 5, a gap exists between the two conveying belts 22, and a hot air blower is installed in the gap, and the hot air blower can blow hot air to the direction of the PVC sheet, so that the PVC sheet is dried;
the air heater is used for drying the PVC sheet between the two conveying belts 22, namely, the two air heaters are used for drying the upper surface and the lower surface of the PVC sheet at the same time.
In some examples, the tractor 5 comprises a plurality of traction rollers 6, and the traction rollers 6 are divided into two groups and are respectively movably connected with the inner wall of the supporting table 21;
wherein, the pull roll 6 is dumbbell-shaped, and the pull roll 6 is driven to rotate by a motor arranged in the supporting table 21 to drive the pull roll 6 to rotate, thereby supporting and transporting the side wall of the PVC sheet.
In some examples, the air mover below the PVC sheet blows more air than the air mover above the PVC sheet (i.e., the PVC sheet is subjected to an upward force that is greater than a downward force), thereby providing support for the PVC sheet.
In the concrete implementation process, the PVC sheet is transported to the clearance between protection casing 4 and base 1 from the one end at conveyer 2 top, and the PVC sheet removes to tractor 5 place direction along one of them conveyer belt 22 promptly, and the PVC sheet continues to move forward, and the both sides lateral wall and the pull roll 6 laminating of PVC sheet this moment, as shown in FIG. 9, this moment, later PVC's lateral wall and quilt cover, and the PVC sheet of other positions is not contacted with other objects, can't block hot air and PVC sheet contact, improves the comprehensiveness of stoving from this for the PVC sheet can evenly be heated.
Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present invention and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (10)
1. A constant temperature drying equipment for PVC sheet processing, its characterized in that, this constant temperature drying equipment includes:
a base (1);
the conveying piece (2) is arranged at the top of the base (1), and the conveying piece (2) is used for conveying PVC sheets;
the protection cover (4) is erected on the top of the conveying piece (2), and the hot air blowers are arranged in the protection cover (4) and the base (1), and the air outlets of the two hot air blowers face the conveying piece (2); and
the tractor (5) is arranged in the conveying piece (2), and the tractor (5) is used for dragging the PVC sheet;
the conveying piece (2) comprises two conveying belts (22) corresponding to each other in the front and the back, the two conveying belts (22) are respectively positioned at the front end and the back end of the tractor (5), and the PVC sheet moves between the two conveying belts (22) through the tractor (5);
the air heater is used for drying the PVC sheet between the two conveying belts (22).
2. A constant temperature drying apparatus for PVC sheet processing as in claim 1, wherein: the tractor (5) comprises two extrusion rollers (52) which are parallel to each other, a bearing seat (51) is arranged at the end part of each extrusion roller (52), and the bearing seat (51) is driven by a telescopic rod (53) arranged in the conveying part (2) to stretch.
3. A constant temperature drying apparatus for PVC sheet processing as in claim 2, wherein: a supporting table (21) is arranged at the top of the base (1), and the conveying belt (22) is arranged on the supporting table (21).
4. A constant temperature drying apparatus for PVC sheet processing as in claim 3, wherein: two limiting pieces (3) are arranged at the top of the supporting table (21), and the two limiting pieces (3) respectively correspond to the two conveying belts (22) up and down;
the limiting piece (3) is located above the conveying belt (22) and used for limiting the PVC sheet between the limiting piece (3) and the conveying belt (22).
5. A constant temperature drying apparatus for PVC sheet processing as in claim 3, wherein: slide rails are mounted on the inner walls of two sides of the supporting table (21), and the supporting table (21) is connected with the bearing seat (51) through the slide rails.
6. A constant temperature drying apparatus for PVC sheet processing as in claim 3, wherein: the motor is arranged outside the bearing seat (51), and an output shaft of the motor penetrates through the bearing seat (51) and is connected with the end part of the squeeze roller (52).
7. A constant temperature drying apparatus for PVC sheet processing as in claim 3, wherein: an abutting plate (54) is arranged at one end of the conveying belt (22) facing the squeeze roller (52), and the abutting plate (54) is connected with the inner wall of the supporting table (21);
grooves are formed in two sides of the butt plate (54), and one groove corresponds to the extrusion roller (52).
8. A constant temperature drying apparatus for PVC sheet processing as in claim 3, wherein: the outer part of the squeeze roller (52) is sleeved with a cylindrical flexible magnetic tape, and an air bag is filled between the flexible magnetic tape and the squeeze roller (52);
wherein flexible magnetic tapes outside the two squeeze rollers (52) are attracted to each other.
9. A constant temperature drying apparatus for PVC sheet processing as in claim 1, wherein: the tractor (5) comprises a plurality of traction rollers (6), the traction rollers (6) are divided into two groups, and the two groups of traction rollers (6) are respectively and movably connected with the inner walls of the two sides of the supporting table (21);
wherein the traction roller (6) is dumbbell-shaped, and the traction roller (6) is driven to rotate by a motor arranged in the supporting table (21).
10. A constant temperature drying apparatus for PVC sheet processing according to any of claims 1-9, wherein: the wind power of the air heater below the PVC sheet is larger than the blowing power of the air heater above the PVC sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211024523.0A CN115183562B (en) | 2022-08-25 | 2022-08-25 | Constant-temperature drying equipment for PVC sheet processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211024523.0A CN115183562B (en) | 2022-08-25 | 2022-08-25 | Constant-temperature drying equipment for PVC sheet processing |
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| CN115183562A CN115183562A (en) | 2022-10-14 |
| CN115183562B true CN115183562B (en) | 2023-06-23 |
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| CN115183562A (en) | 2022-10-14 |
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