Steam box for denim preshrinking

By introducing a pressing roller and an electric heating system into the steam box for pre-shrinking denim fabric, the wet denim fabric is extruded and dried, and the problem of low pre-shrinking efficiency in the prior art is solved, and a more efficient fabric pre-shrinking effect is achieved.

CN222557272UActive Publication Date: 2025-03-04HESHAN HENGSHENG TEXTILE CO LTD
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Patent Information

Application Number
CN202421333541.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-03-04
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

The existing steam tanks for pre-shrinking denim fabrics lack heating and extrusion structure, and cannot effectively handle wet denim fabrics, resulting in low pre-shrinking efficiency.

Method used

A steam box for pre-shrinkage of denim fabrics is designed, including a pressing roller and an electric heating system. The denim fabric is wetted by steam and clean water, and extruded and heated by a pressing roller to achieve drying treatment.

Benefits of technology

The pre-shrinkage efficiency of denim fabrics is improved, and the difficulty of finishing during the shrinkage process is reduced through extrusion and drying.

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Abstract

The utility model relates to the technical field of denim fabric processing, in particular to a steam box for denim fabric preshrinking, which comprises a box body and a water storage tank, the water storage tank is arranged in the box body, an electric heater is mounted on one side in the water storage tank through a mounting frame, a reserved groove is arranged in the box body at the top of the water storage tank, and the reserved groove is communicated with the water storage tank. A water spraying assembly is arranged at the top in the reserved groove and comprises a water collecting pipe mounted at the top in the reserved groove through a mounting frame, and nozzles are connected to the bottom of the water collecting pipe at equal intervals through threaded grooves; an electric heater heats clean water in a water storage tank to generate high-temperature steam, the high-temperature steam is sprayed to denim, external clean water enters a water collecting pipe and is sprayed out through a spray head to wet the denim, a lead screw is rotated to push a pressing roller to move downwards to extrude the denim, and meanwhile the denim is heated through a heat conduction sleeve and an electric heating wire on the outer side of the pressing roller. And the purpose of drying the tea leaves is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of denim fabric processing, in particular to a steam box for pre-shrinking denim fabric. Background Art

[0002] Pre-shrinking refers to the process of using physical methods to reduce the shrinkage of fabrics after immersion in water to reduce shrinkage. During the dyeing and finishing process, denim fabrics are subjected to tension in the warp direction, and the warp buckling wave height is reduced, resulting in elongation, which requires pre-shrinkage.

[0003] Patent announcement number CN215051274U discloses a steam box for pre-shrinking denim fabric, comprising a box body, in which a feed roller, a discharge roller, a mesh conveyor belt assembly, a material blocking assembly and a plurality of steam nozzles are arranged; surfaces at both ends of the box body are respectively provided with a feed port and a discharge port, the feed roller, the mesh conveyor belt assembly and the discharge roller are sequentially arranged along the material path of the denim fabric, and the feed roller, the mesh conveyor belt assembly and the discharge roller are all used to convey the denim fabric, the denim fabric forms wrinkles on the mesh conveyor belt assembly, the material blocking assembly is located above the mesh conveyor belt assembly, and the steam nozzle is arranged below the mesh conveyor belt assembly. The utility model can effectively reduce the waste of steam and water resources and improve the relaxation effect of the denim fabric.

[0004] The existing steam box for pre-shrinking denim fabric has the disadvantage that there is no heating and squeezing structure in the box body, and the wet denim fabric cannot be dried and squeezed. Therefore, a steam box for pre-shrinking denim fabric is proposed, which squeezes and dries the wet denim fabric through a pressing roller to improve the pre-shrinking efficiency of the denim fabric. Utility Model Content

[0005] In view of the problems in the prior art, the utility model provides a steam box for pre-shrinking denim fabric, which squeezes and dries the wet denim fabric through a pressing roller, thereby improving the pre-shrinking efficiency of the denim fabric.

[0006] The technical solution adopted by the utility model to solve the technical problem is a steam box for preshrinking denim fabrics, comprising a box body and a water storage tank, wherein the box body is provided with a water storage tank, an electric heater is installed on one side of the water storage tank through a mounting frame, a reserved groove is provided inside the box body at the top of the water storage tank, a water spray assembly is arranged on the top of the reserved groove, the water spray assembly comprises a water collecting pipe installed on the top of the reserved groove through a mounting frame, and a nozzle is equidistantly connected to the bottom of the water collecting pipe through a threaded groove;

[0007] A box body is fixed to one side of the box body by bolts, and a press heating assembly is arranged on the top of the box body, and the press heating assembly includes a screw rod rotatably connected to the top of the box body through a bearing, an outer sleeve of the screw rod is provided with an internal thread groove, connecting rods are fixed to both sides of the internal thread groove by bolts, and a press roller is fixed to the bottom end of the connecting rod located inside the box body by bolts, a heat conductive sleeve is provided on the outer side of the press roller, and electric heating wires are embedded equidistantly inside the heat conductive sleeve.

[0008] By adopting the above technical solution, the electric heater heats the clean water in the water storage tank to generate high-temperature steam, which is sprayed onto the denim fabric. The external clean water enters the water collecting pipe and is sprayed out through the nozzle to moisten the denim fabric. The screw rod is rotated to push the pressing roller downward to squeeze the denim fabric. At the same time, the denim fabric is heated by the heat-conducting sleeve and the electric heating wire on the outside of the pressing roller to achieve the purpose of drying it.

[0009] Specifically, the top of the water collecting pipe located on the top of the box body is connected to a valve through a pipeline, a feeding trough is opened on one side of the box body, the feeding trough passes through the reserved groove and the box body, and through holes are opened equidistantly between the reserved groove and the water storage tank.

[0010] Specifically, a first thermostat is installed at one end of the box body through a mounting seat, a detection end of the first thermostat is located inside the water storage tank, and a current output end of the first thermostat is electrically connected to a current input end of the electric heater through a power line.

[0011] Specifically, first auxiliary rollers are installed at both ends of the bottom of the reserved groove through mounting frames, and second auxiliary rollers are installed at both ends of the top of the reserved groove through mounting frames.

[0012] Specifically, a second temperature controller is installed at one end of the box body through a mounting seat, a detection end of the second temperature controller is located inside the heat conductive sleeve, and a current output end of the second temperature controller is electrically connected to a current input end of the electric heating wire through a power line.

[0013] Specifically, third auxiliary rollers are mounted on both ends of the bottom of the box body via mounting frames.

[0014] Beneficial effects of the utility model:

[0015] (1) The utility model discloses a steam box for pre-shrinking denim fabric. Denim fabric moistened with high-temperature steam and clean water enters the box body. A person rotates the screw rod to push the inner thread groove downward. The inner thread groove moves downward and pushes the structural frame downward through the connecting rod. The structural frame moves downward to squeeze the denim fabric through the pressing roller. The setting value of the second temperature controller is set to control the electric heating wire to heat the heat-conducting sleeve. The pressing roller squeezes the denim fabric and heats it at the same time, thereby achieving the purpose of drying the denim fabric.

[0016] (2) The utility model discloses a steam box for pre-shrinking denim fabrics, wherein the setting value of the first thermostat is set to control the heating of the electric heater, and the electric heater heats the clean water in the water storage tank. After the clean water is heated, high-temperature steam is generated, which flows into the reserved groove through a plurality of through holes and is sprayed onto the denim fabrics. The valve is opened to allow the external clean water to flow into the water collecting pipe and be sprayed out through a plurality of nozzles, thereby moistening the denim fabrics. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a cross-sectional view of the box and water storage tank of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the water spray assembly of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the material pressing and heating assembly of the utility model;

[0022] Figure 5 This is a cross-sectional view of the press roller of the utility model;

[0023] In the figure: 1. box body; 2. water storage tank; 3. reserved groove; 4. water spray assembly; 401. water collecting pipe; 402. nozzle; 403. valve; 5. box body; 6. pressing and heating assembly; 601. screw rod; 602. internal thread groove; 603. connecting rod; 604. structural frame; 605. pressing roller; 606. heat conductive sleeve; 607. electric heating wire; 7. electric heater; 8. first auxiliary roller; 9. second auxiliary roller; 10. third auxiliary roller; 11. material trough; 12. first temperature controller; 13. second temperature controller; 14. through hole. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] The wet denim fabric is squeezed and dried by the pressing roller to improve the pre-shrinkage efficiency of the denim fabric. Figure 1-5As shown, a steam box for pre-shrinking denim fabrics described in the utility model comprises a box body 1 and a water storage tank 2, wherein the box body 1 is provided with a water storage tank 2, an electric heater 7 is installed on one side of the water storage tank 2 through a mounting frame, a reserved groove 3 is provided inside the box body 1 at the top of the water storage tank 2, a water spray assembly 4 is arranged on the top of the reserved groove 3, the water spray assembly 4 comprises a water collecting pipe 401 installed on the top of the reserved groove 3 through a mounting frame, and a nozzle 402 is equidistantly connected to the bottom of the water collecting pipe 401 through a threaded groove;

[0026] A box body 5 is fixed to one side of the box body 1 by bolts, and a press heating assembly 6 is arranged on the top of the box body 5. The press heating assembly 6 includes a screw rod 601 rotatably connected to the top of the box body 5 through a bearing, and an internal thread groove 602 is sleeved on the outer side of the screw rod 601. Connecting rods 603 are fixed on both sides of the internal thread groove 602 by bolts. A press roller 605 is fixed to the bottom end of the connecting rod 603 located inside the box body 5 by bolts, and a heat conductive sleeve 606 is sleeved on the outer side of the press roller 605, and electric heating wires 607 are equidistantly embedded in the heat conductive sleeve 606.

[0027] When in use, the electric heater 7 heats the clean water in the water storage tank 2 to generate high-temperature steam, which is sprayed onto the denim fabric. The external clean water enters the water collecting pipe 401 and is sprayed out through the nozzle 402 to moisten the denim fabric. The screw rod 601 is rotated to push the pressing roller 605 downward to squeeze the denim fabric. At the same time, the denim fabric is heated by the heat-conducting sleeve 606 and the electric heating wire 607 outside the pressing roller 605 to achieve the purpose of drying it.

[0028] For example, Figure 2 As shown, the utility model also includes that the water collecting pipe 401 is located at the top of the box body 1 and is connected to a valve 403 through a pipeline. A material passing trough 11 is opened on one side of the box body 1. The material passing trough 11 passes through the reserved groove 3 and the box body 5. Through holes 14 are opened equidistantly between the reserved groove 3 and the water storage tank 2.

[0029] When in use, the valve 403 is opened to allow external clean water to flow into the water collecting pipe 401 , and the through hole 14 is opened to facilitate the steam in the water storage tank 2 to flow into the reserved tank 3 .

[0030] For example, Figure 1 As shown, the utility model also includes that a first thermostat 12 is installed at one end of the box body 1 through a mounting seat, the detection end of the first thermostat 12 is located inside the water storage tank 2, and the current output end of the first thermostat 12 is electrically connected to the current input end of the electric heater 7 through a power line.

[0031] When in use, the first temperature controller 12 can control the heating of the electric heater 7 and the heating temperature thereof.

[0032] For example, Figure 2 As shown, the utility model also includes that first auxiliary rollers 8 are installed at both ends of the bottom of the reserved groove 3 through a mounting frame, and second auxiliary rollers 9 are installed at both ends of the top of the reserved groove 3 through a mounting frame.

[0033] When in use, the arrangement of the first auxiliary roller 8 and the second auxiliary roller 9 facilitates the movement of the denim material in the reserved groove 3 .

[0034] For example, Figure 1 As shown, the utility model also includes that a second temperature controller 13 is installed at one end of the box body 5 through a mounting seat, the detection end of the second temperature controller 13 is located inside the heat conductive sleeve 606, and the current output end of the second temperature controller 13 is electrically connected to the current input end of the electric heating wire 607 through a power line.

[0035] When in use, the heating temperature of the electric heating wire 607 can be controlled by the second temperature controller 13 .

[0036] For example, Figure 2 As shown, the utility model also includes that third auxiliary rollers 10 are installed at both ends of the bottom of the box body 5 through mounting frames.

[0037] When in use, the third auxiliary roller 10 facilitates the movement of the denim fabric in the box body 5 .

[0038] When the utility model is used, a person uses a power cord to connect the device to an external power source, uses a water pipe to connect the valve 403 to an external water supply device, pours clean water into the water storage tank 2, inserts one end of the denim fabric from the material trough 11 into the reserved groove 3 and passes through the box body 5, and then fixes it on the external traction device;

[0039] The setting value of the first thermostat 12 is set to control the electric heater 7 to heat the clean water in the water storage tank 2. After the clean water is heated, high-temperature steam is generated, which flows into the reserved groove 3 through the multiple through holes 14 and is sprayed on the denim fabric. The valve 403 is opened to allow the external clean water to flow into the water collecting pipe 401 and be sprayed out through the multiple nozzles 402 to moisten the denim fabric.

[0040] With the traction of the external traction equipment, the denim fabric moistened by high-temperature steam and clean water enters the box body 5, and the personnel rotates the screw rod 601 to push the internal thread groove 602 downward, and the internal thread groove 602 moves downward to push the structure frame 604 downward through the connecting rod 603, and the structure frame 604 moves downward to squeeze the denim fabric through the pressing roller 605. The setting value of the second temperature controller 13 is set to control the electric heating wire 607 to heat the heat-conducting sleeve 606, and the pressing roller 605 squeezes the denim fabric and heats it at the same time, so as to achieve the purpose of drying the denim fabric.

[0041] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A steam box for pre-shrinking denim fabric, characterized in that: The invention comprises a box body (1) and a water storage tank (2), wherein the box body (1) is provided with a water storage tank (2), an electric heater (7) is installed on one side of the water storage tank (2) via a mounting frame, a reserved groove (3) is provided inside the box body (1) at the top of the water storage tank (2), a water spray assembly (4) is arranged at the top of the reserved groove (3), the water spray assembly (4) comprises a water collecting pipe (401) installed at the top of the reserved groove (3) via a mounting frame, and a spray head (402) is equidistantly connected to the bottom of the water collecting pipe (401) via a threaded groove; A box body (5) is fixed to one side of the box body (1) by bolts, and a material pressing and heating assembly (6) is arranged on the top of the box body (5). The material pressing and heating assembly (6) comprises a screw rod (601) rotatably connected to the top of the box body (5) by a bearing, an inner thread groove (602) is sleeved on the outer side of the screw rod (601), and connecting rods (603) are fixed on both sides of the inner thread groove (602) by bolts. A material pressing roller (605) is fixed to the bottom end of the connecting rod (603) located inside the box body (5) by bolts, and a heat conductive sleeve (606) is sleeved on the outer side of the material pressing roller (605), and electric heating wires (607) are embedded equidistantly inside the heat conductive sleeve (606).

2. A steam box for pre-shrinking denim fabric according to claim 1, characterized in that: The top of the water collecting pipe (401) located at the top of the box body (1) is connected to a valve (403) through a pipeline. A material passing trough (11) is provided on one side of the box body (1). The material passing trough (11) passes through the reserved groove (3) and the box body (5). Through holes (14) are provided at equal distances between the reserved groove (3) and the water storage tank (2).

3. A steam box for pre-shrinking denim fabric according to claim 1, characterized in that: A first temperature controller (12) is mounted on one end of the box (1) via a mounting seat, a detection end of the first temperature controller (12) is located inside the water storage tank (2), and a current output end of the first temperature controller (12) is electrically connected to a current input end of the electric heater (7) via a power line.

4. A steam box for pre-shrinking denim fabric according to claim 1, characterized in that: First auxiliary rollers (8) are installed at both ends of the bottom of the reserved groove (3) via mounting frames, and second auxiliary rollers (9) are installed at both ends of the top of the reserved groove (3) via mounting frames.

5. A steam box for pre-shrinking denim fabric according to claim 4, characterized in that: A second temperature controller (13) is mounted on one end of the box body (5) via a mounting seat, a detection end of the second temperature controller (13) is located inside the heat-conducting sleeve (606), and a current output end of the second temperature controller (13) is electrically connected to a current input end of the electric heating wire (607) via a power line.

6. A steam box for pre-shrinking denim fabric according to claim 1, characterized in that: Third auxiliary rollers (10) are mounted on both ends of the inner bottom of the box body (5) via mounting frames.