Temperature control assembly for pre-shrinking machine

Abstract

The utility model discloses a temperature control assembly for a preshrinking machine, which belongs to the technical field of preshrinking machines and comprises a shell, and a water tank is arranged in the shell. The first roller is rotatably arranged in the water tank; the second roller is rotatably arranged outside the water tank; the water tank is connected with the shell; the temperature control device is connected with the shell and / or the water tank and suitable for driving the cooling medium in the water storage cavity to enter the water tank and controlling the temperature of the cooling medium entering the water tank. According to the temperature control assembly designed by the utility model, the temperature control device can adjust the cooling medium in the water tank to the optimal temperature during heat treatment of the pre-shrinking machine, and when the cloth passes through the first roller, the cooling medium in the water tank can heat or cool the cloth, so that the temperature of the cloth is adjusted to the optimal temperature during pretreatment; therefore, the cloth is at a relatively ideal temperature when being treated by the pre-shrinking machine, and the pre-shrinking effect of the fabric is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pre-shrinking machines, and in particular relates to a temperature control component used for a pre-shrinking machine. Background Art

[0002] In the related art, the cloth needs to pass through a water trough before entering the main body of the preshrinking machine for processing. The water in the water trough will evenly soak the cloth, making it easier for the cloth to be pre-shrunk during the subsequent heat treatment process, and can ensure that the shrinkage rate of each part of the cloth is consistent. In the prior art, the temperature of the cloth will also change after being soaked in water, resulting in a large deviation between the temperature of the cloth during heat treatment and the optimal temperature, which will result in unsatisfactory heat treatment effect of the cloth in the subsequent pre-shrinking machine, and further lead to unsatisfactory pre-shrinkage effect of the cloth. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to propose a temperature control component for a preshrinking machine. According to the temperature control component for a preshrinking machine designed by the utility model, the temperature control device can adjust the cooling medium in the water tank to the optimal temperature during the heat treatment of the preshrinking machine. When the cloth passes through the first roller, the cooling medium in the water tank can heat or cool the cloth, thereby adjusting the temperature of the cloth to the optimal temperature during the pretreatment, thereby making the cloth at a more ideal temperature when being treated by the preshrinking machine, thereby improving the preshrinking effect of the fabric.

[0004] In order to achieve the above object, the utility model provides the following technical solutions:

[0005] The utility model provides a temperature control component for a preshrinking machine, comprising: a shell, wherein a water tank is arranged inside the shell; a first roller, wherein the first roller is rotatably arranged inside the water tank; a second roller, wherein the second roller is rotatably arranged outside the water tank; a water tank, wherein the water tank is connected to the shell and wherein a water storage cavity suitable for storing a cooling medium is arranged inside the water tank; and a temperature control device, wherein the temperature control device is connected to the shell and / or the water tank, wherein the temperature control device is suitable for driving the cooling medium in the water storage cavity to enter the water tank, and is suitable for controlling the temperature of the cooling medium entering the water tank.

[0006] According to the temperature control component for the preshrinking machine of the utility model, the temperature control device is suitable for driving the cooling medium in the water storage chamber into the water tank, and is suitable for controlling the temperature of the cooling medium entering the water tank, thereby, the temperature control device can adjust the cooling medium in the water tank to the optimal temperature during the heat treatment of the preshrinking machine, when the cloth passes through the first roller, the cooling medium in the water tank can heat or cool the cloth, thereby adjusting the temperature of the cloth to the optimal temperature during the pretreatment, and then making the cloth at a more ideal temperature when being treated by the preshrinking machine, thereby improving the preshrinkage effect of the fabric, thereby improving the production qualification rate of the fabric.

[0007] Furthermore, the water storage chamber includes a cold water chamber and a hot water chamber isolated from each other, and the temperature control device includes: a water control valve, a connecting channel is arranged in the water control valve, and the connecting channel can be selectively connected with the cold water chamber and / or the hot water chamber to control the temperature of the cooling medium in the connecting channel.

[0008] Furthermore, the connecting channel includes: a first channel, one end of which is connected to the water tank; a second channel and a third channel, one end of the second channel and the third channel on the same side is respectively connected to the other end of the first channel, and the other end of the second channel and the third channel on the same side is respectively connected to the cold water chamber and the hot water chamber.

[0009] Furthermore, it also includes: a first movable plate, which is movably disposed in the second channel to selectively open or close the second channel; and a second movable plate, which is movably disposed in the third channel to selectively open or close the third channel.

[0010] Furthermore, it also includes: a driving device, which is connected to the first movable plate and / or the second movable plate and is suitable for driving the first movable plate and / or the second movable plate to move.

[0011] Furthermore, it also includes: a temperature sensor, which is arranged on the water control valve and is suitable for detecting the temperature of the cooling medium in the first channel.

[0012] Furthermore, the temperature sensor is connected to the driving device, and the temperature sensor is suitable for controlling the operation of the driving device according to the temperature of the cooling medium in the first channel.

[0013] Furthermore, a temperature control channel is provided in the second roller, and an extension direction of the temperature control channel is parallel to an extension direction of the second roller. The temperature control device is suitable for driving the cooling medium in the water storage chamber to enter the temperature control channel.

[0014] Further, the temperature-controlled flow channel includes: a first flow channel, which is constructed as a plurality of first flow channels and is arranged at intervals along the circumference of the second roller; a second flow channel, which is constructed as two second flow channels and is respectively arranged at both ends of the plurality of first flow channels, and the two second flow channels are respectively connected to the plurality of first flow channels; wherein one of the second flow channels is suitable for connecting to the temperature control device, and wherein the other second flow channel is suitable for connecting to the water tank and / or the water storage chamber.

[0015] Other advantages, objectives and features of the utility model will be described in the following description and will be apparent to those skilled in the art to some extent, or those skilled in the art can be taught from the practice of the utility model. The objectives and other advantages of the utility model can be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to make the purpose, technical solution and beneficial effects of the utility model clearer, the utility model is described with the following drawings:

[0017] Figure 1 It is a schematic diagram of the temperature control component of the utility model;

[0018] Figure 2 It is a schematic diagram of the cooperation between the first roller, the second roller and the fabric of the utility model;

[0019] Figure 3 This is a schematic diagram of the connection between the water control valve and the driving device of the utility model;

[0020] Figure 4 It is a cross-sectional view of the second roller of the utility model.

[0021] The following are marked in the accompanying drawings:

[0022] 1. Temperature control component; 2. Fabric;

[0023] 10. Shell; 20. First roller; 30. Second roller; 31. First flow channel; 40. Water tank;

[0024] 50, water control valve; 51, first channel; 52, second channel; 53, third channel;

[0025] 60. Driving motor; 70. Housing. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with embodiments and drawings. The schematic implementation manner of the utility model and its description are only used to explain the utility model and are not intended to limit the utility model.

[0027] In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present invention. However, it is apparent to those skilled in the art that these specific details are not necessary to implement the present invention. In other examples, in order to avoid obscuring the present invention, well-known structures, circuits, materials or methods are not specifically described.

[0028] Throughout the specification, references to "one embodiment," "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment of the present invention. Therefore, the phrases "one embodiment," "an embodiment," "an example," or "an example" appearing in various places throughout the specification do not necessarily all refer to the same embodiment or example. In addition, particular features, structures, or characteristics may be combined in one or more embodiments or examples in any suitable combination and / or sub-combination. In addition, it will be appreciated by those of ordinary skill in the art that the figures provided herein are for illustrative purposes and that the figures are not necessarily drawn to scale. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0029] In the description of the present invention, it should be understood that the terms "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the scope of protection of the present invention.

[0030] Embodiment 1:

[0031] like Figure 1-Figure 4 As shown, the utility model provides a temperature control assembly 1 for a pre-shrinking machine, comprising: a housing 10, a first roller 20, a second roller 30, a water tank 40 and a temperature control device, wherein a water tank is provided in the housing 10, the first roller 20 is rotatably provided in the water tank, the second roller 30 is rotatably provided outside the water tank, the water tank 40 is connected to the housing 10, and a water storage chamber suitable for storing a cooling medium is provided in the water tank 40, the temperature control device is connected to the housing 10 and / or the water tank 40, the temperature control device is suitable for driving the cooling medium in the water storage chamber into the water tank, and is suitable for controlling the temperature of the cooling medium entering the water tank. It is worth noting that the cooling medium may be water, etc., which is not limited here.

[0032] In some embodiments, the temperature control component 1 of the present application is constructed as a part of a pre-shrinking machine, which includes a frame, the frame includes two columns spaced from each other in the width direction, the shell 10 is arranged between the two columns and respectively connected to the two columns, the shell 10 is provided with a water tank, and the two inner walls of the water tank in the width direction are provided with first connecting parts opposite to each other, the two ends of the first roller 20 are respectively rotatably connected to the two first connecting parts, the two columns are provided with second connecting parts opposite to each other, and the two ends of the second roller 30 are respectively rotatably connected to the two second connecting parts.

[0033] It is worth noting that the water tank 40 is connected to the housing 10, and a water storage chamber is provided in the water tank 40, and the water storage chamber is suitable for accommodating the cooling medium. The temperature control device is connected to the water tank 40 and / or the housing 10, that is, the water tank 40 and / or the housing 10 are used as the setting basis of the temperature control device. Here, the temperature control device can be connected to the water tank 40, the temperature control device can also be connected to the housing 10, and the temperature control device can also be connected to the water tank 40 and the housing 10 respectively, which is not limited here. Of course, the temperature control device is connected to the water storage chamber and the water tank through the water inlet pipe and the water outlet pipe respectively. The temperature control device is suitable for driving the cooling medium in the water storage chamber into the water tank, and after the cooling medium enters the temperature control device, the temperature control device can adjust the temperature of the cooling medium, thereby realizing the control of the temperature of the cooling medium entering the water tank. Preferably, the temperature control device is arranged on the top of the water tank 40 to integrate the temperature control device with the water tank 40 in the height direction to avoid the temperature control component 1 occupying the workshop area.

[0034] In the prior art, the temperature of the cloth when it is heat-treated by the shrinking machine will affect the shrinking effect of the shrinking machine on the cloth (when the shrinking machine heat-treats the cloth, the closer the temperature of the cloth is to the optimal temperature, the better the shrinking effect of the cloth). The water in the water trough is only suitable for soaking the cloth. When the cloth is soaked in water, its own temperature will change, resulting in a large deviation between the temperature of the cloth when it is heat-treated and the optimal temperature, which leads to unsatisfactory heat treatment effect of the cloth, and then to unsatisfactory shrinking effect of the cloth.

[0035] It is understandable that the temperature control device is suitable for controlling the temperature of the cooling medium in the water tank, and the operator can adjust the temperature of the cooling medium in the water tank to the optimal temperature during the pre-treatment of the pre-shrinking machine by controlling the temperature control device. The fabric 2 enters the pre-shrinking machine after passing through the first roller 20 and the second roller 30, and the fabric 2 is suitable for contacting with the cooling medium in the water tank when passing through the first roller 20. The cooling medium can soak the fabric 2, and the water-cooled medium will heat or cool the fabric 2 when soaking the fabric 2, so that the fabric 2 is at the optimal temperature during the heat treatment after being soaked by the cooling medium in the water tank, so that the fabric 2 is at a more ideal temperature when being heat-treated by the pre-shrinking machine, thereby improving the heat treatment effect of the pre-shrinking machine on the fabric 2, improving the pre-shrinking effect of the fabric 2, and thus improving the production qualification rate of the fabric 2.

[0036] According to the temperature control assembly 1 for a preshrinking machine of the utility model, its temperature control device is suitable for driving the cooling medium in the water storage chamber into the water tank, and is suitable for controlling the temperature of the cooling medium entering the water tank, thereby, the temperature control device can adjust the cooling medium in the water tank to the optimal temperature during the heat treatment of the preshrinking machine, and when the cloth passes through the first roller 20, the cooling medium in the water tank can heat or cool the cloth, thereby adjusting the temperature of the cloth to the optimal temperature during the pretreatment, and then making the cloth at a more ideal temperature when being treated by the preshrinking machine, thereby improving the preshrinkage effect of the fabric 2, thereby improving the production qualification rate of the fabric 2.

[0037] Embodiment 2:

[0038] In this embodiment, based on the first embodiment, the water storage chamber includes a cold water chamber and a hot water chamber isolated from each other, and the temperature control device includes: a water control valve 50, a connecting channel is provided in the water control valve 50, and the connecting channel can be selectively connected to the cold water chamber and / or the hot water chamber to control the temperature of the cooling medium in the connecting channel.

[0039] In some embodiments, the water storage chamber includes a cold water chamber and a hot water chamber isolated from each other, a first heating device is provided in the cold water chamber, and the first heating device can cool the cooling medium in the cold water chamber, and a second heating device is provided in the hot water chamber, and the second heating device can heat the cooling medium in the hot water chamber. The water control valve 50 controls the proportion of the cooling medium in the hot water chamber and the cold water chamber entering the connecting channel respectively, so as to control the temperature of the cooling medium in the connecting channel, thereby controlling the temperature of the cooling medium entering the water tank, and controlling the temperature of the cooling medium in the water tank.

[0040] It can be understood that the water control valve 50 of the present application has a simple and easy-to-implement temperature control principle for the cooling medium in the connecting channel, and can accurately adjust the temperature of the cooling medium in the connecting channel to meet the processing requirements of different fabrics 2, thereby improving the applicability of the preshrinking machine.

[0041] According to some embodiments of the utility model, the connecting channel includes: a first channel 51, a second channel 52 and a third channel 53, one end of the first channel 51 is connected to the water tank, the ends on the same side of the second channel 52 and the third channel 53 are respectively connected to the other end of the first channel 51, and the other ends on the same side of the second channel 52 and the third channel 53 are respectively connected to the cold water chamber and the hot water chamber.

[0042] It can be understood that the water control valve 50 of the present application can control the temperature of the cooling medium in the first channel 51 by controlling the flow of the cooling medium in the cold water chamber entering the second channel 52, and by controlling the flow of the cooling medium in the hot water chamber entering the third channel 53. The temperature control principle of the cooling medium in the first channel 51 is simple and accurate, and accurate control of the temperature of the cooling medium in the water tank is achieved, so that the temperature of the fabric 2 when heat treated by the pre-shrinking machine can be closer to the optimal temperature, thereby improving the pre-shrinking effect of the fabric 2.

[0043] Preferably, the temperature control component 1 also includes: a first movable plate and a second movable plate, the first movable plate is movably disposed in the second channel 52 to selectively open or close the second channel 52, and the second movable plate is movably disposed in the third channel 53 to selectively open or close the third channel 53.

[0044] In some embodiments, the first movable plate is movably connected to the water control valve 50, and the first movable plate moves to control the opening and closing degree of the second channel 52, thereby controlling the flow rate of the cooling medium in the cold water chamber in the second channel 52; the second movable plate is movably connected to the water control valve 50, and the second movable plate moves to control the opening and closing degree of the third channel 53, thereby controlling the flow rate of the cooling medium in the hot water chamber in the second channel 52.

[0045] It can be understood that the first movable plate is movably connected to the water control valve 50, and at least a portion of the first movable plate can rotate in the second channel 52 to control the opening and closing degree of the second channel 52; or at least a portion of the first movable plate can reciprocate in the second channel 52 to control the opening and closing degree of the second channel 52, which is not limited here. Similarly, the second movable plate is movably connected to the water control valve 50, and at least a portion of the second movable plate can be rotatably disposed in the third channel 53, or at least a portion of the second movable plate can reciprocate in the third channel 53, which is not limited here.

[0046] Embodiment three:

[0047] In this embodiment, based on the second embodiment, the temperature control assembly 1 further includes: a driving device, which is connected to the first movable plate and / or the second movable plate and is suitable for driving the first movable plate and / or the second movable plate to move.

[0048] In some embodiments, the driving device may drive the first movable plate or the second movable plate to move independently; the driving device may also drive the first movable plate and the second movable plate to move separately, which is not limited here.

[0049] Preferably, the driving device is suitable for driving the first movable plate and the second movable plate to move. In this case, the driving device may include a driving motor 60, the driving motor 60 has two output ends, and the two output ends can move relative to the driving motor 60, respectively, the two output ends are connected to the first movable plate and the second movable plate, and the driving device can move the two output ends respectively when the driving device is working, and the movement of the two output ends can drive the first movable plate and the second movable plate to move respectively.

[0050] Of course, the driving device may include two driving motors 60, the output ends of the two driving motors 60 are respectively connected to the first movable plate and the second movable plate, and the two driving motors 60 work to move their own output ends respectively, thereby driving the first movable plate and the second movable plate to move.

[0051] Preferably, the temperature control component 1 also includes: an outer shell 70, which is arranged on the top of the water tank 40, and a receiving cavity is formed in the outer shell 70, and the water control valve 50 and the driving device are respectively received in the receiving cavity. Therefore, the above-mentioned arrangement can avoid the driving device and the water control valve 50 from being exposed, thereby improving the aesthetics of the temperature control component 1.

[0052] Embodiment 4:

[0053] In this embodiment, based on the third embodiment, the temperature control component 1 further includes: a temperature sensor, which is arranged on the water control valve 50 and is suitable for detecting the temperature of the cooling medium in the first channel 51. It can be understood that the water control valve 50 is provided with a temperature sensor, and the temperature sensor can detect the temperature of the cooling medium in the first channel 51. The operator can control the operation of the driving device according to the displayed temperature of the temperature sensor, thereby adjusting the displacement of the first movable plate and the second movable plate, and then respectively controlling the flow of the cooling medium in the second channel 52 and the third channel 53, and realizing accurate control of the temperature of the cooling medium in the first channel 51.

[0054] In some embodiments, a temperature sensor can also be set in the shell 10, and the temperature sensor is suitable for detecting the temperature of the cooling medium in the water tank. Similarly, the operator can control the operation of the driving device according to the displayed temperature of the temperature sensor, thereby controlling the temperature of the cooling medium in the water tank. There is no limitation here.

[0055] Preferably, the temperature sensor is connected to the driving device, and the temperature sensor is suitable for controlling the operation of the driving device according to the temperature of the cooling medium in the first channel 51. It can be understood that the temperature sensor is connected to the driving device, and here, the temperature sensor can be electrically connected to the driving device, and the temperature sensor can also be communicatively connected to the driving device, which is not limited here.

[0056] The temperature sensor can detect the temperature of the cooling medium in the first channel 51, and the temperature sensor can control the operation of the driving device according to the temperature of the cooling medium, and the control of the driving device is more accurate, so that the displacement of the first movable plate and the second movable plate can be accurately controlled, thereby achieving accurate control of the temperature of the cooling medium in the first channel 51. Of course, the temperature sensor can also be used to detect the temperature of the cooling medium in the water tank, and the temperature sensor can control the operation of the driving device according to the temperature of the cooling medium in the water tank, which is not limited here.

[0057] It is worth mentioning that the present application realizes precise control of the temperature of the cooling medium in the first channel 51 and / or the water tank by setting a temperature sensor to control the operation of the driving device. This precise control can avoid overcooling or overheating the cooling medium, thereby avoiding waste of energy, thereby saving electricity or fuel consumption and improving the production efficiency of the enterprise. At the same time, the above-mentioned setting can realize automatic adjustment of the cooling medium flow and temperature. Compared with manual control by the operator, the temperature control component 1 of the present application is more efficient, reducing errors caused by human intervention and ineffective use of energy.

[0058] Embodiment five:

[0059] In this embodiment, based on the first embodiment, a temperature control channel is provided in the second roller 30, and the extension direction of the temperature control channel is parallel to the extension direction of the second roller 30. The temperature control device is suitable for driving the cooling medium in the water storage chamber into the temperature control channel.

[0060] It can be understood that a temperature control channel is formed in the second roller 30, and the temperature control channel is suitable for the cooling medium to pass through. The temperature control device can drive the cooling medium into the temperature control channel. The cooling medium flowing through the temperature control channel can heat the second roller 30, so that the second roller 30 can further heat or cool the fabric 2, so that the temperature of the fabric 2 when being heat-treated by the pre-shrinking machine is closer to the optimal temperature, so as to further improve the pre-treatment effect of the fabric 2, thereby further improving the pre-shrinking effect of the fabric 2.

[0061] It is worth noting that the second roller 30 can also control the humidity of the fabric 2 when further heating or cooling the fabric 2, thereby ensuring that the fabric 2 is at a relatively appropriate humidity during pretreatment (the fabric 2 being at an appropriate humidity can help activate the limited thermoplasticity, so that when the fabric 2 is heat treated, the fibers can more easily change shape and be fixed, thereby achieving the purpose of shrinking and shaping the fabric 2), so as to further improve the pre-shrinkage ability of the fabric 2.

[0062] According to some embodiments of the utility model, the temperature control flow channel includes: a first flow channel 31 and a second flow channel, the first flow channel 31 is constructed as a plurality of and is arranged at intervals along the circumference of the second roller 30, the second flow channel is constructed as two and is respectively arranged at both ends of the plurality of first flow channels 31, and the two second flow channels are respectively connected to the plurality of first flow channels 31; one of the second flow channels is suitable for connecting to the temperature control device, and the other second flow channel is suitable for connecting to the water tank and / or the water storage chamber.

[0063] It can be understood that the multiple first flow channels 31 are respectively arranged at intervals along the circumference of the second roller 30, and the multiple first flow channels 31 respectively extend along the axial direction of the second roller 30, and the second flow channels are respectively arranged at both ends of the multiple first flow channels 31, one end of the two second flow channels is respectively connected to the multiple first flow channels 31, the other end of one of the second flow channels is connected to the temperature control device, and the other end of another second flow channel is connected to the water tank and / or the water storage chamber.

[0064] Therefore, the multiple first flow channels 31 are respectively suitable for the cooling medium to flow through, which effectively improves the temperature control accuracy and response speed of the second roller 30, thereby improving the processing effect of the second roller 30 on the fabric 2, making the fabric 2 in a better state when being processed by the preshrinking machine, and improving the preshrinkage effect of the fabric 2.

[0065] It is worth noting that the water tank is connected to the cold water chamber and the hot water chamber respectively, so that the cooling medium can enter the water tank or directly flow back to the water storage chamber after flowing through the temperature control flow channel, and the cooling medium in the water tank can also flow back to the water storage chamber. That is, through the above arrangement, the cooling medium can be efficiently circulated, reducing the dependence on and loss of external energy. At the same time, through the above arrangement, the rapid heat exchange and reuse of the cooling medium can also be achieved, improving the overall energy utilization rate of the temperature control component 1.

[0066] Embodiment six:

[0067] like Figure 1 As shown, the utility model provides a preshrinking machine, which includes the temperature control component 1 for the preshrinking machine described in any one of the above embodiments. Since the preshrinking machine according to the utility model is provided with the temperature control component 1 for the preshrinking machine of the above embodiment, the preshrinking machine has a good preshrinking effect on the fabric 2, and improves the production qualification rate of the fabric 2.

[0068] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the utility model.

Claims

1. A temperature control assembly for a preshrinking machine, characterized in that: include: A housing (10), wherein a water tank is provided in the housing (10); A first roller (20), the first roller (20) being rotatably disposed in the water tank; A second roller (30), the second roller (30) being rotatably disposed outside the water tank; A water tank (40), the water tank (40) being connected to the housing (10), and a water storage cavity suitable for storing a cooling medium is provided in the water tank (40); A temperature control device is connected to the housing (10) and / or the water tank (40), and is suitable for driving the cooling medium in the water storage chamber to enter the water tank, and is suitable for controlling the temperature of the cooling medium entering the water tank.

2. The temperature control assembly for a preshrinking machine according to claim 1, characterized in that: The water storage chamber includes a cold water chamber and a hot water chamber which are isolated from each other, and the temperature control device includes: A water control valve (50) is provided with a communication channel therein, and the communication channel can be selectively communicated with the cold water chamber and / or the hot water chamber to control the temperature of the cooling medium in the communication channel.

3. The temperature control assembly for a preshrinking machine according to claim 2, characterized in that: The communication channel comprises: A first channel (51), one end of the first channel (51) being in communication with the water tank; A second channel (52) and a third channel (53), wherein one end of the second channel (52) and the third channel (53) on the same side are respectively connected to the other end of the first channel (51), and the other end of the second channel (52) and the third channel (53) on the same side are respectively connected to the cold water chamber and the hot water chamber.

4. The temperature control assembly for a preshrinking machine according to claim 3, characterized in that: Also includes: a first movable plate, the first movable plate being movably disposed in the second passage (52) so as to selectively open or close the second passage (52); A second movable plate is movably disposed in the third channel (53) to selectively open or close the third channel (53).

5. The temperature control assembly for a preshrinking machine according to claim 4, characterized in that: Also includes: A driving device is connected to the first movable plate and / or the second movable plate and is suitable for driving the first movable plate and / or the second movable plate to move.

6. The temperature control assembly for a preshrinking machine according to claim 5, characterized in that: Also includes: A temperature sensor is arranged on the water control valve (50) and is suitable for detecting the temperature of the cooling medium in the first channel (51).

7. The temperature control assembly for a preshrinking machine according to claim 6, characterized in that: The temperature sensor is connected to the driving device, and the temperature sensor is suitable for controlling the operation of the driving device according to the temperature of the cooling medium in the first channel (51).

8. The temperature control assembly for a preshrinking machine according to claim 1, characterized in that: A temperature control channel is provided in the second roller (30), the extension direction of the temperature control channel is parallel to the extension direction of the second roller (30), and the temperature control device is suitable for driving the cooling medium in the water storage chamber to enter the temperature control channel.

9. The temperature control assembly for a preshrinking machine according to claim 8, characterized in that: The temperature control flow channel comprises: a first flow channel (31), wherein the first flow channel (31) is configured as a plurality of channels and is arranged at intervals along the circumference of the second roller (30); The second flow channel is structured as two second flow channels, and the second flow channels are respectively arranged at both ends of the plurality of first flow channels (31), and the two second flow channels are respectively connected to the plurality of first flow channels (31); wherein, One of the second flow channels is suitable for communicating with the temperature control device, and another of the second flow channels is suitable for communicating with the water tank and / or the water storage chamber.

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