CN116175851B - Polyurethane preheating conveying equipment and conveying method thereof - Google Patents
Polyurethane preheating conveying equipment and conveying method thereof Download PDFInfo
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- CN116175851B CN116175851B CN202310453840.2A CN202310453840A CN116175851B CN 116175851 B CN116175851 B CN 116175851B CN 202310453840 A CN202310453840 A CN 202310453840A CN 116175851 B CN116175851 B CN 116175851B
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- Prior art keywords
- polyurethane
- shell
- belt
- polyurethane belt
- bubbles
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/52—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/709—Articles shaped in a closed loop, e.g. conveyor belts
- B29L2031/7092—Conveyor belts
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention belongs to the technical field of conveying equipment, in particular to polyurethane preheating conveying equipment and a conveying method thereof, and the polyurethane preheating conveying equipment comprises a machine body, wherein a calendaring roller set for conveying and calendaring a polyurethane belt is connected to the machine body; the machine body is also connected with a heating roller for heating the polyurethane belt, and is provided with a foam removing mechanism for removing air bubbles on the surface of the polyurethane belt, the foam removing mechanism is provided with a pair of foam removing mechanisms which are symmetrically arranged at two sides of the polyurethane belt, and the foam removing mechanism is arranged between the heating roller and the calendaring roller group; according to the invention, the foam removing mechanism is arranged on the machine body, so that foam removing on the surface of the machine body is completed in the polyurethane belt conveying process, the foam removing mechanism can accurately puncture the foam on the polyurethane belt, damage to other intact positions is avoided, and the surface flatness of the belt line is ensured through the polishing mechanism and the calendaring roller set.
Description
Technical Field
The invention relates to the technical field of conveying devices, in particular to polyurethane preheating conveying equipment and a conveying method thereof.
Background
The belt conveyor is also called as a belt conveyor, and is widely applied to various industries such as household appliances, electronics, electrical appliances, machinery, tobacco, injection molding, post and telecommunications, printing, food and the like, and the assembly, detection, debugging, packaging, transportation and the like of articles; the polyurethane belt is an important component of a belt conveyor, and is mainly made of polyurethane plastics, and in the production process of the belt, the polyurethane plastics need to be rolled through a calender after being mixed, parked and heat-refined, so that the polyurethane plastics form a belt shape.
In the processing process of the polyurethane belt, air exists in the polyurethane plastic, so after the polyurethane plastic is calendered, raised bubbles exist on the surface of the polyurethane plastic, the surface of the rubber is uneven, the bubbles are punctured by the existing bubble-puncturing needle in the existing bubble-removing technology, the bubbles cannot be punctured by the existing equipment accurately, the manual bubble-removing efficiency is low, and the processing quality of the belt is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides polyurethane preheating conveying equipment and a conveying method thereof, and aims to solve the problems in the background art by arranging a foam piercing mechanism on a machine body to precisely remove air bubbles from a polyurethane belt.
In order to achieve the technical aim, the invention provides polyurethane preheating conveying equipment, which comprises a machine body, wherein a calendaring roller set for conveying and calendaring polyurethane belts is connected to the machine body; the machine body is also connected with a heating roller for heating the polyurethane belt, the machine body is provided with a foam removing mechanism for removing air bubbles on the surface of the polyurethane belt, the foam removing mechanism is provided with a pair of foam removing mechanisms and is symmetrically arranged on two sides of the polyurethane belt, and the foam removing mechanism is arranged between the heating roller and the calendaring roller set.
As a preferred embodiment of the present invention, the de-bubbling mechanism includes: the polyurethane belt comprises a shell, wherein one end of the shell, which is close to the polyurethane belt, is connected with a plurality of movable blocks, the movable blocks are connected with the shell in a sliding manner, and air bubbles rising on the surface of the polyurethane belt can push the movable blocks to move towards the inside of the shell; the needle seat is arranged inside the shell and corresponds to the movable blocks one by one, a plurality of foam puncturing needles used for puncturing air bubbles on the surface of the polyurethane belt are fixedly connected to the needle seat, the foam puncturing needles penetrate through the movable blocks, and the movable blocks drive the needle seat to move towards the outer direction of the shell when moving towards the inside of the shell.
As a preferable technical scheme of the invention, a rack is fixedly connected to the movable block, a cylindrical gear meshed with the rack is rotationally connected to the shell, a differential gear meshed with the cylindrical gear is rotationally connected to the shell, a rotating disc is fixedly connected to the differential gear, and a connecting rod is rotationally connected between the rotating disc and the needle seat.
As a preferable technical scheme of the invention, a cavity is arranged in the needle seat, and an adsorption hole communicated with the cavity is arranged in the bubble-puncturing needle.
As a preferable technical scheme of the invention, the shell is internally provided with the cylinder barrels which are in one-to-one correspondence with the needle bases, the cylinder barrels are internally and movably connected with the piston rods in a sealing way, a communicating pipe is connected between the cylinder barrels and the needle bases, and the piston rods are fixedly connected with the racks through the connecting rods.
As a preferable technical scheme of the invention, an elastic plate is fixedly connected to the rack, and an elastic piece is fixedly connected between the elastic plate and the inner wall of the shell; and a touch block which is contacted with bubbles on the surface of the polyurethane belt is arranged on the movable block.
As a preferable technical scheme of the invention, a pair of polishing mechanisms for polishing the punctured air bubbles are arranged on the machine body; the polishing mechanism comprises a sliding block, a sliding rail which is connected with the sliding block in a sliding manner is arranged on the machine body, a polishing frame is fixedly connected to the sliding block, a pair of rotating rollers are connected to the polishing frame, a polishing belt is connected between the rotating rollers, and a driving motor for driving the rotating rollers to rotate is arranged on the polishing frame.
As a preferable technical scheme of the invention, the polishing mechanism further comprises a threaded rod, the machine body is fixedly connected with a connecting block in threaded connection with the threaded rod, and one end of the threaded rod is rotatably connected to the sliding block.
As a preferable technical scheme of the invention, the heating roller is of a tubular structure, the heating roller is connected to the rotating shaft, and the inner surface of the heating roller is provided with heating wires.
A polyurethane preheating conveying method comprises the following steps:
step one, a calendaring roller set drives a polyurethane belt to be conveyed forwards and calendars the surface of the polyurethane belt;
step two, the polyurethane belt is extruded and heated by a heating roller, so that the internal gas is released and the surface bubbles are displayed;
thirdly, when bubbles reach the bubble removing mechanism, the bulged bubbles push the movable block to move towards the inner direction of the shell, and when the movable block moves, the movable block drives the rotating disc to rotate through the cooperation of the rack, the cylindrical gear and the differential gear, and when the rotating disc rotates, the needle seat is driven to move towards the polyurethane belt, and the bubble puncturing needle punctures the bubbles on the surface of the polyurethane belt;
step four, when the movable block moves towards the inside of the shell, the cylinder barrel and the piston rod are driven to move towards opposite directions, so that the air pressure in the cylinder barrel is reduced, and the air in the air bubble is pumped out through the bubble puncturing needle, so that the air bubble is shrunken;
and fifthly, polishing the punctured bubbles by a polishing mechanism, and calendering the polyurethane belt by a calendering roller set to make the surface of the polyurethane belt smooth.
The beneficial effects of the invention are as follows:
1. according to the invention, the foam removing mechanism is arranged on the machine body, so that foam removing on the surface of the machine body is completed in the polyurethane belt conveying process, the foam removing mechanism can accurately puncture the foam on the polyurethane belt, damage to other intact positions is avoided, and the surface flatness of the belt line is ensured through the polishing mechanism and the calendaring roller set.
2. The bubble removing mechanism can suck out the gas in the bubble immediately after the bubble is punctured, so that the bubble is shrunken, and the problem that the normal conveying of the polyurethane conveying belt is affected due to the fact that the gas in the bubble cannot be discharged in time and a bubble puncturing needle is inserted into the bubble is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a polyurethane preheating and conveying device provided by the invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a schematic structural view of the defoaming mechanism of the present invention.
FIG. 4 is another angular schematic view of the de-bubbling mechanism of the present invention.
Fig. 5 is a partial enlarged view at a in fig. 4.
Fig. 6 is a schematic structural view of the needle mount of the present invention.
Fig. 7 is a schematic structural view of the polishing mechanism of the present invention.
FIG. 8 is a schematic view of a heating tube according to the present invention.
In the figure: 1. a body; 2. a defoaming mechanism; 21. a housing; 22. a movable block; 23. touching the block; 24. a rack; 25. an elastic plate; 26. an elastic member; 27. a needle stand; 271. a puncture needle; 272. adsorption holes; 273. a cavity; 28. a cylinder; 29. a piston rod; 210. a connecting rod; 211. a communicating pipe; 212. a rotating disc; 213. a connecting rod; 214. a cylindrical gear; 215. a differential gear; 3. a polishing mechanism; 31. a slide block; 32. a polishing frame; 33. a rotating roller; 34. polishing the belt; 35. a driving motor; 36. a threaded rod; 37. a connecting block; 38. a slide rail; 4. a calender roll set; 5. a heating roller; 51. a rotating shaft; 52. a heating wire; 6. polyurethane belt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples
As shown in fig. 1-8, the invention is polyurethane preheating conveying equipment, which comprises a machine body 1, wherein a calendaring roller set 4 for conveying and calendaring a polyurethane belt 6 is connected to the machine body 1, and the calendaring roller set 4 is provided with a pair of calendaring rollers; the machine body 1 is also connected with a heating roller 5 for heating the polyurethane belt 6, the machine body 1 is provided with a foam removing mechanism 2 for removing air bubbles on the surface of the polyurethane belt 6, the foam removing mechanism 2 is provided with a pair of foam removing mechanisms and is symmetrically arranged on two sides of the polyurethane belt 6, and the foam removing mechanism 2 is arranged between the heating roller 5 and the calendaring roller set 4.
As shown in fig. 3-6, the defoaming mechanism 2 comprises a shell 21, the shell 21 is mounted on the surface of the machine body 1, one end of the shell 21, which is close to the polyurethane belt 6, is connected with a plurality of movable blocks 22, the movable blocks 22 are positioned on the same horizontal line, the movable blocks 22 cover the width of the polyurethane belt 6, the bubble puncturing rate of the polyurethane belt is ensured, the movable blocks 22 are slidably connected with the shell 21, a touch block 23 which is contacted with bubbles on the surface of the polyurethane belt 6 is arranged on the movable blocks 22, round corners are arranged on the side of the touch block 23, the touch block 23 is slightly contacted with the surface of the polyurethane belt 6, when the bubbles are contacted with the touch block 23, the movable blocks 22 are pushed to move towards the inside of the shell 21, racks 24 are fixedly connected with the movable blocks 22, elastic plates 25 are fixedly connected with elastic pieces 26 between the elastic plates 25 and the inner wall of the shell 21, and the elastic pieces 26 adopt springs to play a role of resetting the movable blocks 22; the shell 21 is connected with the needle seat 27, the needle seat 27 is arranged in the shell 21, the needle seat 27 corresponds to the movable block 22 one by one, the needle seat 27 is fixedly connected with a plurality of bubble puncturing needles 271 for puncturing bubbles on the surface of the polyurethane belt 6, the bubble puncturing needles 271 penetrate through the movable block 22 and the touch block 23, the bubble puncturing needles 271 can move in the movable block 22 and the touch block 23, and the bubble puncturing needles 271 do not expose the touch block 23 in a normal state; a cylindrical gear 214 meshed with the rack 24 is rotationally connected with the shell 21, a differential gear 215 meshed with the cylindrical gear 214 is rotationally connected with the shell 21, a rotating disc 212 is fixedly connected with the differential gear 215, a connecting rod 213 is rotationally connected between the rotating disc 212 and the needle seat 27, wherein the diameter of the differential gear 215 is smaller than that of the cylindrical gear 214, the rotating angle of the rotating disc 212 is increased, and the moving stroke of the needle seat 27 is increased; when the air bubble contacts with the touch block 23, the movable block 22 is pushed to move towards the inner side of the shell 21, the rack 24 drives the cylindrical gear 214 to rotate when moving, and then drives the differential gear 215 and the rotating disc 212 to rotate, and the rotating disc 212 drives the needle seat 27 to move towards the outer direction of the shell 21 when rotating, and drives the bubble puncturing needle 271 to expose the outer part of the touch block 23 and puncture the air bubble, so that the purpose of accurately puncturing the air bubble is achieved, after the air bubble is punctured, the movable block 22 moves under the elasticity of the elastic piece 26 to restore to the original position, the rack drives the cylindrical gear 214 and the differential gear 215 to reversely rotate, and drives the rotating disc 212 to rotate to the original position, and simultaneously drives the needle seat 27 to move to the original position.
Preferably, a cavity 273 is arranged in the needle seat 27, an adsorption hole 272 communicated with the cavity 273 is arranged in the bubble-piercing needle 271, a cylinder barrel 28 corresponding to the needle seat 27 one by one is arranged in the shell 21, a piston rod 29 is movably connected in the cylinder barrel 28 in a sealing way, a communicating pipe 211 is connected between the cylinder barrel 28 and the needle seat 27, the communicating pipe 211 is communicated with the cylinder barrel 28 and the needle seat 27, and the piston rod 29 is fixedly connected with the rack 24 through a connecting rod 210; when the movable block 22 moves towards the inner side of the shell 21, the needle seat 27 and the rack 24 are driven to move in opposite directions, so that the air pressure in the cylinder 28 is reduced, the air in the air bubble is sucked out through the adsorption hole 272 in the bubble puncturing needle 271, the air bubble is immediately shrunken, the bubble puncturing needle 271 is separated from the air bubble in time, the air in the air bubble is prevented from being discharged in time, and the insertion of the bubble puncturing needle 271 into the air bubble is prevented from influencing the transportation of the polyurethane belt.
As shown in fig. 7, a pair of polishing mechanisms 3 for polishing the punctured air bubbles are installed on the body 1; the polishing mechanism 3 comprises a sliding block 31 and a threaded rod 36, a sliding rail 38 which is in sliding connection with the sliding block 31 is arranged on the machine body 1, a polishing frame 32 is fixedly connected to the sliding block 31, a pair of rotating rollers 33 are connected to the polishing frame 32, a polishing belt 34 is connected between the two rotating rollers 33, a driving motor 35 which is used for driving the rotating rollers 33 to rotate is arranged on the polishing frame 32, a connecting block 37 which is in threaded connection with the threaded rod 36 is fixedly connected to the machine body 1, one end of the threaded rod 36 is rotatably connected to the sliding block 31, the position of the sliding block 31 can be adjusted through the threaded rod 36, the position of the polishing belt 34 is adjusted, the contact condition of the polishing belt 34 and the polyurethane belt 6 is adjusted, and the polishing effect is adjusted.
As shown in fig. 8, the heating roller 5 has a tubular structure, the heating roller 5 is connected to the rotating shaft 51, and the heating wire 52 is provided on the inner surface of the heating roller 5, the gas in the polyurethane belt is released by the heating roller 5, and the bubbles on the surface of the polyurethane belt are displayed, so that the bubble removing mechanism 2 punctures the bubbles.
The embodiment also discloses a polyurethane preheating conveying method, which comprises the following steps based on the conveying equipment:
step one, a calendaring roller set 4 drives a polyurethane belt 6 to be conveyed forwards and calendars the surface of the polyurethane belt;
step two, the polyurethane belt 6 is extruded and heated by the heating roller 5, so that the internal gas is released and the surface bubbles are displayed;
step three, when bubbles reach the bubble removing mechanism 2, the swelled bubbles push the movable block 22 to move towards the inner direction of the shell 21, when the movable block 22 moves, the rotary disc 212 is driven to rotate through the cooperation of the rack 24, the cylindrical gear 214 and the differential gear 215, and when the rotary disc 212 rotates, the needle seat 27 is driven to move towards the polyurethane belt 6, and the bubble puncturing needle 271 punctures the bubbles on the surface of the polyurethane belt 6;
step four, when the movable block 22 moves towards the inside of the shell 21, the cylinder 28 and the piston rod 29 are driven to move towards opposite directions, so that the air pressure in the cylinder 28 is reduced, and the air in the air bubbles is pumped out through the bubble puncturing needle 271, so that the air bubbles are shrunken;
and fifthly, polishing the punctured bubbles by the polishing mechanism 3, and calendering the polyurethane belt 6 by the calendering roller set 4 to make the surface of the polyurethane belt smooth.
Finally, it should be noted that: in the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The polyurethane preheating and conveying equipment is characterized by comprising a machine body (1), wherein a calendaring roller set (4) for conveying and calendaring a polyurethane belt (6) is connected to the machine body (1);
the machine body (1) is also connected with a heating roller (5) for heating the polyurethane belt (6), the machine body (1) is provided with a foam removing mechanism (2) for removing air bubbles on the surface of the polyurethane belt (6), the foam removing mechanism (2) is provided with a pair of foam removing mechanisms which are symmetrically arranged on two sides of the polyurethane belt (6), and the foam removing mechanism (2) is arranged between the heating roller (5) and the calendaring roller set (4);
the foam removing mechanism (2) comprises a shell (21), one end of the shell (21) close to the polyurethane belt (6) is connected with a plurality of movable blocks (22), the movable blocks (22) are in sliding connection with the shell (21), and air bubbles rising on the surface of the polyurethane belt (6) can push the movable blocks (22) to move towards the inside of the shell (21);
the foam removing mechanism (2) further comprises a needle seat (27), the needle seat (27) is arranged inside the shell (21), the needle seat (27) corresponds to the movable blocks (22) one by one, a plurality of foam piercing needles (271) used for piercing air bubbles on the surface of the polyurethane belt (6) are fixedly connected to the needle seat (27), the foam piercing needles (271) penetrate through the movable blocks (22), and the movable blocks (22) drive the needle seat (27) to move towards the outer direction of the shell (21) when moving towards the inside of the shell (21);
a rack (24) is fixedly connected to the movable block (22), a cylindrical gear (214) meshed with the rack (24) is rotationally connected to the shell (21), a differential gear (215) meshed with the cylindrical gear (214) is rotationally connected to the shell (21), a rotating disc (212) is fixedly connected to the differential gear (215), and a connecting rod (213) is rotationally connected between the rotating disc (212) and the needle seat (27); a cavity (273) is formed in the needle seat (27), and an adsorption hole (272) communicated with the cavity (273) is formed in the bubble-puncturing needle (271);
a cylinder barrel (28) which corresponds to the needle bases (27) one by one is arranged in the shell (21), a piston rod (29) is movably connected in the cylinder barrel (28) in a sealing way, a communicating pipe (211) is connected between the cylinder barrel (28) and the needle bases (27), and the piston rod (29) is fixedly connected with the rack (24) through a connecting rod (210);
an elastic plate (25) is fixedly connected to the rack (24), and an elastic piece (26) is fixedly connected between the elastic plate (25) and the inner wall of the shell (21); a touch block (23) which is contacted with bubbles on the surface of the polyurethane belt (6) is arranged on the movable block (22);
a pair of polishing mechanisms (3) for polishing the punctured bubbles are arranged on the machine body (1); the polishing mechanism (3) comprises a sliding block (31), a sliding rail (38) which is connected with the sliding block (31) in a sliding mode is arranged on the machine body (1), a polishing frame (32) is fixedly connected to the sliding block (31), a pair of rotating rollers (33) are connected to the polishing frame (32), polishing belts (34) are connected between the rotating rollers (33), and a driving motor (35) which is used for driving the rotating rollers (33) to rotate is arranged on the polishing frame (32).
2. Polyurethane preheating conveying equipment according to claim 1, characterized in that the polishing mechanism (3) further comprises a threaded rod (36), the machine body (1) is fixedly connected with a connecting block (37) in threaded connection with the threaded rod (36), and one end of the threaded rod (36) is rotatably connected to the sliding block (31).
3. A polyurethane preheating and conveying apparatus according to claim 2, wherein the heating roller (5) is of a tubular structure, the heating roller (5) is connected to a rotating shaft (51), and a heating wire (52) is provided on the inner surface of the heating roller (5).
4. A polyurethane preheating conveying method, using a polyurethane preheating conveying apparatus according to claim 3, characterized by comprising the steps of:
step one, a calendaring roller set (4) drives a polyurethane belt (6) to be conveyed forwards and calendars the surface of the polyurethane belt;
step two, the polyurethane belt (6) is extruded and heated by a heating roller (5) firstly, and the internal gas is released and the surface bubbles are displayed;
thirdly, when bubbles reach the bubble removing mechanism (2), the bulged bubbles push the movable block (22) to move towards the inner direction of the shell (21), and when the movable block (22) moves, the movable block drives the rotating disc (212) to rotate through the matching of the rack (24), the cylindrical gear (214) and the differential gear (215), and when the rotating disc (212) rotates, the needle seat (27) is driven to move towards the polyurethane belt (6), and the bubble puncturing needle (271) punctures the bubbles on the surface of the polyurethane belt (6);
step four, when the movable block (22) moves towards the inside of the shell (21), the cylinder barrel (28) and the piston rod (29) are driven to move towards opposite directions, so that the air pressure in the cylinder barrel (28) is reduced, and the air in the air bubbles is pumped out through the bubble puncturing needle (271), so that the air bubbles are shrunken;
and fifthly, polishing the punctured bubbles by a polishing mechanism (3), and rolling the polyurethane belt (6) by a rolling roller set (4) to make the surface of the polyurethane belt flat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310453840.2A CN116175851B (en) | 2023-04-25 | 2023-04-25 | Polyurethane preheating conveying equipment and conveying method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310453840.2A CN116175851B (en) | 2023-04-25 | 2023-04-25 | Polyurethane preheating conveying equipment and conveying method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116175851A CN116175851A (en) | 2023-05-30 |
| CN116175851B true CN116175851B (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310453840.2A Active CN116175851B (en) | 2023-04-25 | 2023-04-25 | Polyurethane preheating conveying equipment and conveying method thereof |
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| CN (1) | CN116175851B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203004188U (en) * | 2012-11-14 | 2013-06-19 | 常熟市三恒建材有限责任公司 | Calendaring defoaming device |
| CN107214898A (en) * | 2017-06-08 | 2017-09-29 | 昆山市硕鸿电子材料有限公司 | Silica Surface handling process |
| CN108582628A (en) * | 2018-06-12 | 2018-09-28 | 重庆鼎赛输送机械有限公司 | Convey machining set-up |
| CN111086144A (en) * | 2020-01-03 | 2020-05-01 | 广州市利之叶科技有限公司 | Bubble removing equipment for plastic calendering machine |
| CN216152873U (en) * | 2021-09-18 | 2022-04-01 | 上海五同同步带有限公司 | Rubber calendering needling mechanism |
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2023
- 2023-04-25 CN CN202310453840.2A patent/CN116175851B/en active Active
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| Publication number | Publication date |
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| CN116175851A (en) | 2023-05-30 |
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