Heat regulating mechanism of calender

Abstract

This utility model discloses a heat regulation mechanism for a calender, relating to the field of calender technology. The key technical points are: it includes a machine body and a pressure roller and a heating roller rotatably connected to the machine body. A guide roller is provided on one side of the machine body, and a contact piece for detecting fabric thickness is rotatably connected to the bottom surface of the guide roller. Extending shafts are fixedly connected to both ends of the pressure roller and the heating roller along their length. A heat insulation sleeve, slidably connected to the outer peripheral wall of the extended shaft and mounted on the outer peripheral wall of the pressure roller, is fitted onto the extended shaft. The hardness of the heat insulation sleeve is less than that of the pressure roller. After the contact piece rotates, the heat insulation sleeve is retracted onto the extended shaft. This utility model reduces the hardness and temperature of the pressure roller and the heating roller by setting a sliding heat insulation sleeve, avoiding heat damage to thinner fabrics caused by high temperatures, and ensuring the yield rate of the fabric after calendering.

Description

Technical Field

[0001] This utility model relates to the field of calendering technology, and more specifically, to a heat regulation mechanism for calendering. Background Technology

[0002] Calenders are important pieces of equipment widely used in textile processing. Calenders can create a mirror effect on the surface of fabrics by combining heated rollers and pressure rollers, enhancing smoothness and reflectivity. After multiple calendering processes, the surface of the fabric becomes denser.

[0003] During the calendering process, when the thickness of the fabric to be calendered is different, it is necessary to change various parameters of the calender, such as the temperature and hardness of the heating roller and the pressure roller. If the temperature or hardness does not change with the thickness of the fabric, it will cause thermal damage to the fabric when calendering thinner fabrics.

[0004] Therefore, a new solution is needed to address this problem. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a heat regulation mechanism for a calendering machine.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: The heat adjustment mechanism of the calender includes a machine body and a pressure roller and a heating roller rotatably connected to the machine body. A guide roller is provided on one side of the machine body. A contact piece for detecting the fabric thickness is rotatably connected to the bottom surface of the guide roller. An extension shaft is fixedly connected to both ends of the pressure roller and the heating roller in the length direction. A heat insulation sleeve is slidably connected to the outer peripheral wall of the extension shaft and is mounted on the outer peripheral wall of the pressure roller. The hardness of the heat insulation sleeve is less than that of the pressure roller. After the contact piece rotates, the heat insulation sleeve is stored on the extension shaft.

[0007] The present invention is further configured such that: the maximum length of the heat insulation sleeve is half the length of the pressure roller, the heat insulation sleeve has elastic deformation properties, and magnet block one and magnet block two are respectively fixedly connected to the ends of adjacent heat insulation sleeves on the pressure roller that are close to each other.

[0008] The present invention is further configured such that: a groove is provided on the side of the extended shaft near the pressure roller, and an abutment piece is provided in the groove that slides along the height direction of the groove and abuts against the end face of the heat insulation sleeve; the hardness of the two ends of the heat insulation sleeve in the length direction is greater than the hardness of the deformable part of the heat insulation sleeve.

[0009] The present invention is further configured such that: adjacent heat insulation sleeves located on the same side are slidably connected to the pressure roller by an electric telescopic rod, and adjacent heat insulation sleeves are fixedly connected by a connecting shaft, and the electric telescopic rod is fixedly connected to the end face of the connecting shaft.

[0010] The present invention is further configured such that the side of the contact piece away from the machine body is set as an inclined surface, and a shielding piece is fixedly connected to the end face of the contact piece.

[0011] The present invention is further configured such that: a laser emitter and a photosensitive sensor are respectively provided at both ends of the guide roller along its length, and the shielding plate is located between the laser emitter and the photosensitive sensor.

[0012] The present invention is further configured such that: a signal receiver is provided on the electric telescopic rod, and the photosensitive sensor is connected to the signal receiver via Bluetooth.

[0013] In summary, this utility model has the following beneficial effects: when the fabric to be calendered is thin, the length of the electric telescopic rod will increase, thereby pushing the heat insulation sleeve to be fitted onto the pressure roller and the heating roller. Since the heat insulation sleeve has low hardness and can isolate part of the heat from the heating roller, the heat in contact with the fabric will be reduced, avoiding heat damage to the fabric and ensuring the calendering quality. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 A cross-sectional view of this utility model Figure 1 ; Figure 3 for Figure 2 Enlarged view of section A in the middle; Figure 4 A cross-sectional view of this utility model Figure 2 ; Figure 5 for Figure 4 Enlarged view of section B in the middle.

[0015] In the diagram: 1. Machine body; 2. Pressure roller; 3. Heating roller; 4. Guide roller; 5. Contact plate; 6. Extension shaft; 7. Heat insulation sleeve; 8. Slide groove; 9. Abutment plate; 10. Electric telescopic rod; 11. Connecting shaft; 12. Shielding plate; 13. Photosensitive sensor; 14. Laser emitter; 15. Signal receiver. Detailed Implementation

[0016] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0017] The heat regulation mechanism of the calender, such as Figure 1 , Figure 4 and Figure 5As shown, the machine includes a body 1 and a calendering roller and a heating roller 3 rotatably connected to the body 1. A guide roller 4 is provided on one side of the body 1 and is placed on a support frame. A rotating groove is opened on the bottom surface of the guide roller 4, and a contact piece 5 rotates in the rotating groove. The contact piece 5 is used to detect the thickness of the fabric passing through the guide roller 4. If a thinner fabric passes under the guide roller 4, the fabric will not push the contact piece 5 or will only push the contact piece 5 a short distance. If a thicker fabric passes under the contact piece 5, the increased fabric thickness will exert a pushing force on the contact piece 5, causing it to rotate at a larger angle. Therefore, the thickness of the fabric can be determined by the different rotation angles of the contact piece 5. The side of the contact piece 5 away from the body 1 is set as an inclined surface, and the distance from the end of the contact piece 5 closest to the ground to the body 1 is less than the distance from the side furthest from the body 1. The distance between one end of the ground and the machine body 1 is such that the inclined surface will replace the contact piece 5 to contact the fabric, avoiding continuous contact between the contact piece 5 and the fabric and causing wear to the fabric. One end of the contact piece 5 extends out of the support frame, and a shielding plate 12 with a cross-sectional shape larger than that of the contact piece 5 is fixedly connected to its end face. A laser emitter 14 and a photosensitive sensor 13 are respectively set at both ends of the guide roller 4 along its length. Since the shielding plate 12 is located between the laser emitter 14 and the photosensitive sensor 13, if the fabric is thick and the rotation angle of the contact piece 5 is large, the shielding plate 12 can isolate the laser emitter 14 and the photosensitive sensor 13, so that the light emitted by the laser emitter 14 cannot shine on the photosensitive sensor 13. Therefore, the thickness of the fabric can be judged based on whether the photosensitive sensor 13 receives light.

[0018] like Figure 1-3As shown, extension shafts 6 are fixedly connected to both ends of the pressure roller 2 and the heating roller 3 along their length. A heat insulation sleeve 7, slidably connected to the outer wall of the extension shaft 6, is fitted onto the outer wall of the pressure roller 2. When the heat insulation sleeve 7 is fitted onto the heating roller 3, it can isolate some of the heat from the heating roller 3, thus reducing the amount of high-temperature gas in direct contact with thinner fabrics and preventing heat damage to the fabric. The hardness of the heat insulation sleeve 7 is less than that of the pressure roller 2. When the fabric is thick, the high-hardness pressure roller 2 can ensure a good calendering effect when in direct contact with the fabric. However, if the fabric thickness is reduced, applying excessive pressure to the fabric can cause fiber or yarn breakage, reducing the fabric's strength and durability. Therefore, the lower-hardness heat insulation sleeve 7, when in contact with thinner fabrics, ensures a good calendering effect while extending the fabric's service life. Because the heat insulation sleeve 7 has elastic deformation properties... Yes, therefore, when processing thicker fabrics, the heat insulation sleeve 7 is stored on the extension shaft 6 to prevent the heat insulation sleeve 7 from contacting the fabric and affecting the calendering effect. The maximum length of the heat insulation sleeve 7 is half the length of the pressure roller 2. Therefore, the two heat insulation sleeves 7 on the heating roller 3 or pressure roller 2 only need a short distance to completely cover the heating roller 3 or pressure roller 2. The adjacent heat insulation sleeves 7 on the pressure roller 2 or heating roller 3 are respectively provided with magnet block one and magnet block two at their close ends. The end face of the heat insulation sleeve 7 is provided with a receiving groove to accommodate magnet block one and magnet block two, so as to ensure that the end faces of magnet block one and magnet block two can coincide with the end face of the heat insulation sleeve 7, ensuring a tight connection between the two heat insulation sleeves 7. The attraction between magnet block one and magnet block two can achieve a firm connection between the two heat insulation sleeves 7, ensuring the calendering effect of the equipment.

[0019] like Figure 1-3As shown, a groove 8 is provided on the side of the extended shaft 6 near the pressure roller 2 or heating roller 3. An abutment piece 9 is provided in the groove 8, sliding along the height of the groove 8 and abutting against the end face of the heat insulation sleeve 7. When the equipment starts working, thicker fabrics are first calendered. At this time, the worker applies pressure to the heat insulation sleeve 7 to compress it and make the end face of the heat insulation sleeve 7 abut against the abutment piece 9, preventing the heat insulation sleeve 7 from passing through the extended shaft 6 due to its elastic properties. A spring is provided between the inner bottom surface of the groove and the bottom surface of the abutment piece 9. The end of the abutment piece 9 away from the heating roller 3 is set as an inclined surface. The distance from the end of the abutment piece 9 near the ground to the heating roller 3 is greater than the distance from the end of the abutment piece 9 away from the heating roller 3. The inclined surface facilitates the sliding of the heat insulation sleeve 7 on the abutment piece 9. The movement provides guidance. When the thickness of the fabric to be calendered decreases, the heat insulation sleeve 7 moves along the inclined surface of the contact piece 5 towards the pressure roller 2 and applies pressure to the abutment piece 9, thus sliding into the groove 8. During the sliding process of the heat insulation sleeve 7, the heat insulation sleeve 7 always applies actual pressure to the abutment piece 9 to prevent it from passing through the groove 8 and obstructing the sliding of the heat insulation sleeve 7. When the heat insulation sleeve 7 is retracted onto the extension shaft 6, the pressure on the abutment piece 9 disappears, and the spring will reset under its own elastic deformation performance and push the abutment piece 9 out of the groove 8 again to abut against the heat insulation sleeve 7, thus achieving stable fixation of the heat insulation sleeve 7. The end face of the heat insulation sleeve 7 near the pressure roller 2 has greater hardness, allowing the heat insulation sleeve 7 to better apply pressure to the abutment piece 9 during the sliding process, making it slide downward.

[0020] like Figures 1-5 As shown, adjacent heat insulation sleeves 7 on the same side are slidably connected to the pressure roller 2 via an electric telescopic rod 10. Adjacent heat insulation sleeves 7 are fixedly connected by a connecting shaft 11, which connects the heat insulation sleeves 7 on the same side together, allowing one electric telescopic rod 10 to simultaneously drive two heat insulation sleeves 7 to slide. The connecting shaft 11 is located at the end of the heat insulation sleeve 7 furthest from the heating roller 3, and the end face of the heat insulation sleeve 7 furthest from the heating roller 3 has a higher hardness, thus ensuring a stable connection between the connecting shaft 11 and the heat insulation sleeve 7. A signal receiver 15 is installed on the electric telescopic rod 10. The photosensitive sensor 13 and the signal receiver 15 are connected via Bluetooth. When the thickness of the fabric to be calendered decreases, the pushing force on the contact piece 5 decreases. At this time, the contact piece 5 will reset under its own gravity. The rotation of the contact piece 5 will drive the blocking piece 12 to rotate together, so that the light emitted by the laser emitter 14 is no longer blocked by the blocking piece 12 and can be received by the photosensitive sensor 13 again. At this time, the photosensitive sensor 13 that receives the light will transmit the signal to the electric telescopic rod 10, so that the electric telescopic rod 10 can be extended, allowing the heat insulation sleeve 7 to be fitted on the pressure roller 2 and the processing roller.

[0021] Working principle: When the equipment calenders thicker fabrics, the heat insulation sleeve 7 is housed on the extended shaft 6, and the contact piece 9 abuts against the end face of the heat insulation sleeve 7, thus restricting the sliding of the heat insulation sleeve 7. When the thicker fabric passes through the guide roller 4, the forward-moving fabric exerts a pushing force on the contact piece 5, keeping it in an inclined state. The inclined contact piece 5 drives the contact piece 9 to rotate together, thus preventing the light emitted by the laser emitter 14 from reaching the photosensitive sensor 13. When the thickness of the fabric to be calendered decreases, there is no need to stop the machine to adjust the parameters; fabric can be added directly. When a thinner fabric passes through the guide roller 4... As the distance between the bottom surface of the contact piece 5 and the bottom surface of the fabric increases, the contact piece 5 will rotate away from the machine body 1 under its own gravity. The rotation of the contact piece 5 will cause the shielding piece 12 to no longer block the laser emitter 14 and the photosensitive sensor 13. When the photosensitive sensor 13 can receive light, it will emit a signal to increase the length of the electric telescopic rod 10, thereby applying a pushing force to the heat insulation sleeve 7 to move it closer to the heating roller 3. Under the action of the first magnet and the second magnet, it will be stably fixed, allowing the heat insulation sleeve 7 to replace the heating roller 3 and the pressure roller 2 in contact with the fabric, thus ensuring the calendering quality.

[0022] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A heat regulating mechanism of a calender, comprising a machine body (1) and a pressure roller (2) and a heating roller (3) rotatably connected to the machine body (1), characterized in that: A guide roller (4) is provided on one side of the machine body (1). A contact piece (5) for detecting fabric thickness is rotatably connected to the bottom surface of the guide roller (4). An extension shaft (6) is fixedly connected to both ends of the pressure roller (2) and the heating roller (3) in the length direction. A heat insulation sleeve (7) is slidably connected to the outer peripheral wall of the extension shaft (6) and is slidably connected to the outer peripheral wall of the pressure roller (2). The hardness of the heat insulation sleeve (7) is less than that of the pressure roller (2). After the contact piece (5) rotates, the heat insulation sleeve (7) is stored on the extension shaft (6).

2. The heat regulating mechanism of the calender according to claim 1, characterized in that: The maximum length of the heat insulation sleeve (7) is half the length of the pressure roller (2). The heat insulation sleeve (7) has elastic deformation properties. Magnet block one and magnet block two are fixedly connected to the ends of adjacent heat insulation sleeves (7) on the pressure roller (2) that are close to each other.

3. The heat regulating mechanism of the calender according to claim 2, characterized in that: The extended shaft (6) has a groove (8) on the side near the pressure roller (2). A contact piece (9) is provided in the groove (8) to slide along the height direction of the groove (8) and abut against the end face of the heat insulation sleeve (7). The hardness of the two ends of the heat insulation sleeve (7) in the length direction is greater than the hardness of the deformable part of the heat insulation sleeve (7).

4. The heat regulating mechanism of the calender according to claim 3, characterized in that: The adjacent heat insulation sleeves (7) located on the same side are slidably connected to the pressure roller (2) by electric telescopic rods (10), and the adjacent heat insulation sleeves (7) are fixedly connected by connecting shafts (11). The electric telescopic rods (10) are fixedly connected to the end face of the connecting shafts (11).

5. The heat regulation mechanism of the calender according to claim 4, characterized in that: The side of the contact piece (5) away from the body (1) is set as an inclined surface, and a shielding piece (12) is fixedly connected to the end face of the contact piece (5).

6. The heat regulation mechanism of the calender according to claim 5, characterized in that: A laser emitter (14) and a photosensitive sensor (13) are respectively provided at both ends of the guide roller (4) along its length, and the shielding plate (12) is located between the laser emitter (14) and the photosensitive sensor (13).

7. The heat regulation mechanism of the calender according to claim 6, characterized in that: The electric telescopic pole (10) is equipped with a signal receiver (15), and the photosensitive sensor (13) is connected to the signal receiver (15) via Bluetooth.

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