A production device of cotton-spandex high-elasticity knitted fabric

Abstract

The utility model provides a kind of production equipment of cotton spandex high-elasticity knitted fabric, it is related to knitted fabric production technical field, and it includes: dye vat, the top of one end of dye vat is fixedly embedded with inlet pipe, the inner cavity of inlet pipe and dye vat is through, the bottom of the side of another end of dye vat is fixedly embedded with drain pipe, the inner cavity of drain pipe and dye vat is through.The utility model, brush rotates along with U-shaped scraper and carries out scraping cleaning to the inner wall of dye vat, water in water supply pipeline is sprayed to brush by spray head two, water in water supply pipeline is sprayed by spray head one and goes out by water inlet pipe, such design is convenient for the cleaning of the inner wall of dye vat, prevent after dyeing in dye vat Dyeing effluent will adhere to residue on inner wall;Temperature control heating rod heats heat conducting oil, heat conducting oil circulating pump extracts heat conducting oil in heating tank inner cavity, heat conducting oil is retransmitted to the inner cavity of heating tank, such design can heat dye in the inner cavity of dye vat to required temperature, promote fuel diffusion, improve coloring rate.

Description

Technical Field

[0001] This utility model relates to the field of knitted fabric production technology, and in particular to a production equipment for cotton-spandex high-elasticity knitted fabric. Background Technology

[0002] In the production of high-elasticity cotton-spandex knitted fabrics, elastic spandex fiber, with its excellent elasticity, high strength, high elastic modulus, and good recovery, has become increasingly popular worldwide in recent years. Fabrics woven from it are soft to the touch, highly elastic, and significantly improve wearing comfort and product added value. When high-end knitted fabrics are blended with bare spandex fibers and rayon fibers, the properties of both fibers are fully utilized, complementing each other and enhancing the overall quality. Garments made from this fabric are highly elastic, lightweight, comfortable, moisture-wicking, breathable, smooth, and easy to care for. Developed specifically for human body shape and skin characteristics, it is a high-tech product suitable for the human body, with performance unmatched by ordinary fabrics. Its added value is quite high, and it has been popular in the market for many years.

[0003] In the existing technology, the production of cotton-spandex high-elasticity knitted fabric involves dyeing the fabric. Common dyeing methods for cotton-spandex high-elasticity knitted fabric include immersion dyeing, which involves adding liquid dye to the dyeing vat and then immersing the cotton-spandex high-elasticity knitted fabric in it. However, when using dyeing vats to dye cotton-spandex high-elasticity knitted fabric, it has been found that some dyeing vats lack cleaning measures. After the liquid dye is drained from the dyeing vat, residues adhere to the inner wall, making cleaning difficult.

[0004] To address this issue, a production equipment for cotton-spandex high-elasticity knitted fabrics was proposed. Utility Model Content

[0005] The purpose of this invention is to solve the problems existing in the prior art.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a production equipment for cotton-spandex high-elasticity knitted fabric, comprising: a dyeing vat, wherein an inlet pipe is fixedly embedded in the top of one end of the dyeing vat, the inlet pipe communicating with the inner cavity of the dyeing vat; a drain pipe is fixedly embedded in the bottom of the side of the other end of the dyeing vat, the drain pipe communicating with the inner cavity of the dyeing vat; dyeing tanks are provided through both sides of the inner cavity of the dyeing vat; water inlet tanks are provided on both sides of the top of the dyeing vat; and water inlet pipes are fixedly embedded in both sides of the top of one end of the dyeing vat. The water inlet pipe is connected to the inner cavity of two water inlet tanks. Multiple nozzles are fixedly embedded in the inner cavity of each of the two water inlet tanks. The other ends of the multiple nozzles are located on both sides of the top of the dyeing vat. A heating tank is opened at the bottom of the dyeing vat. An input pipe is fixedly embedded in the inner cavity of one end of the heating tank. A heat transfer oil circulation pump is fixedly connected to the other end of the input pipe. A temperature sensor is fixedly embedded in the bottom of one end of the dyeing vat. Cleaning components are set at both ends of the dyeing vat. A heating component is set at the output end of the heat transfer oil circulation pump.

[0007] Furthermore, support legs are fixedly connected to the four corners below the surface of the dyeing vat, an electrically controlled valve 1 is fixedly installed in the inner cavity of the feed pipe, an electrically controlled valve 2 is fixedly installed in the inner cavity of the drain pipe, an L-shaped fixing plate is fixedly connected to one end of the dyeing vat, and an electrically controlled valve 3 is fixedly installed in the inner cavity of both water inlet pipes.

[0008] Furthermore, the cleaning assembly includes two rotating shafts. A U-shaped scraper is fixedly connected to one end of the surface of each rotating shaft. Multiple brushes are fixedly connected to the top and sides of the U-shaped scraper. A U-shaped water supply pipe is fixedly connected to one end of each rotating shaft. Multiple nozzles are embedded in the surface of the U-shaped water supply pipe. Support rods are fixedly connected to both ends of the U-shaped water supply pipe. The other ends of the two support rods are fixedly connected to both ends of the U-shaped scraper. A connecting pipe is fixedly connected to one end of one of the rotating shafts. A driven gear is fixedly sleeved on the surface of the connecting pipe. The surfaces of the two rotating shafts are embedded in the inner cavity of the dyeing vat through sealed bearings. The other ends of the multiple brushes are attached to the inner wall of the dyeing vat.

[0009] Furthermore, a drive gear is meshed with one side of the driven gear, and a motor is provided on one side of the drive gear. The output end of the motor is fixedly embedded in the center of the inner cavity of the drive gear. A rotary joint is embedded in the inner cavity of the other end of the connecting pipe, and a water supply pipe is fixedly sleeved on the surface of the other end of the rotary joint. An electrically controlled valve is fixedly embedded in the inner cavity of the water supply pipe. The inner cavities of the water supply pipe, the rotary joint, the connecting pipe, the U-shaped water supply pipe, and one of the rotating shafts are interconnected.

[0010] Furthermore, the heating assembly includes an output pipe I, multiple temperature-controlled heating rods and heat-conducting oil. Multiple support rods II are fixedly connected to the top of the output pipe I. A diversion pipe is fixedly connected to one end of the output pipe I. Multiple output pipes II are fixedly connected to the other side of the diversion pipe. The inner cavities of the output pipe I, the diversion pipe and the output pipes II are interconnected.

[0011] Furthermore, the top of the motor is fixedly connected to the bottom of the L-shaped fixing plate, one end of the motor output end surface is embedded in the interior of one end of the L-shaped fixing plate through a bearing, and the surface of the water pipe is fixedly embedded in the interior of one end of the L-shaped fixing plate.

[0012] Furthermore, the other end of the first output pipe is fixedly connected to the output end of the heat transfer oil circulation pump, the top ends of the multiple second support rods are fixedly connected to the bottom of the dyeing vat, the surfaces of the other ends of the multiple second output pipes are fixedly embedded in the inner cavity of the heating tank, the multiple second output pipes communicate with the inner cavity of the heating tank, the two ends of the multiple temperature control heating rods are fixedly connected to the two ends of the inner cavity of the heating tank, and the heat transfer oil fills the inner cavities of the heating tank, the input pipe, the heat transfer oil circulation pump, the first output pipe, the branch pipe and the second output pipe.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] 1. In this utility model, the brush rotates with the U-shaped scraper and scrapes and cleans the inner wall of the dyeing vat. Water in the water supply pipe is sprayed onto the brush by nozzle two, and water in the water supply pipe is sprayed out by nozzle one through the water inlet pipe. This design facilitates the cleaning of the inner wall of the dyeing vat and prevents the dye from adhering to the inner wall after it is drained from the dyeing vat.

[0015] 2. In this utility model, the temperature-controlled heating rod heats the heat transfer oil, and the heat transfer oil circulation pump extracts the heat transfer oil from the inner cavity of the heating tank and re-transports the heat transfer oil to the inner cavity of the heating tank. This design can heat the dye in the inner cavity of the dyeing tank to the required temperature, promote fuel diffusion, and improve the coloring rate. Attached Figure Description

[0016] Figure 1 A schematic diagram of the overall structure of a production equipment for cotton-spandex high-elasticity knitted fabric provided by this utility model;

[0017] Figure 2 A side view of a production equipment for a cotton-spandex high-elasticity knitted fabric provided by this utility model;

[0018] Figure 3 A schematic diagram of the cleaning components of a production equipment for cotton-spandex high-elasticity knitted fabric provided by this utility model;

[0019] Figure 4A front sectional view of a production equipment for cotton-spandex high-elasticity knitted fabric provided by this utility model;

[0020] Figure 5 A side sectional view of a production equipment for cotton-spandex high-elasticity knitted fabric provided by this utility model.

[0021] Legend:

[0022] 1. Dyeing vat; 101. Support leg; 102. Feed pipe; 103. Electrically controlled valve one; 104. Drain pipe; 105. Electrically controlled valve two; 106. L-shaped fixing plate; 107. Dyeing tank; 108. Water inlet tank; 109. Water inlet pipe; 110. Electrically controlled valve three; 111. Nozzle one; 112. Heating tank; 113. Input pipe; 114. Heat transfer oil circulation pump; 115. Temperature sensor; 2. Cleaning assembly; 201. Rotating shaft; 202. U 203. Scraper; 204. Brush; 205. U-shaped water pipe; 206. Nozzle 2; 207. Support rod 1; 208. Connecting pipe; 209. Driven gear; 210. Motor; 211. Rotary joint; 212. Water pipe; 213. Electrically controlled valve 4; 304. Heating assembly; 305. Output pipe 1; 306. Support rod 2; 307. Diverter pipe; 308. Output pipe 2; 309. Temperature-controlled heating rod; 3000. Heat transfer oil. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-5This utility model provides a technical solution: a production equipment for cotton-spandex high-elasticity knitted fabric, comprising: a dyeing vat 1, with an inlet pipe 102 fixedly embedded at the top of one end of the dyeing vat 1, the inlet pipe 102 communicating with the inner cavity of the dyeing vat 1; a drain pipe 104 fixedly embedded at the bottom of the side of the other end of the dyeing vat 1, the drain pipe 104 communicating with the inner cavity of the dyeing vat 1; dyeing tanks 107 extending through both sides of the inner cavity of the dyeing vat 1; water inlet tanks 108 opening on both sides of the top of the dyeing vat 1; and water inlet pipes 109 fixedly embedded on both sides of the top of one end of the dyeing vat 1, the two water inlet pipes 109 communicating with the two water inlet tanks 108. The inner cavity of the tank 108 is open, and multiple nozzles 111 are fixedly embedded in the inner cavity of both water inlet tanks 108. The other ends of the multiple nozzles 111 are located on both sides of the top of the inner cavity of the dyeing vat 1. A heating tank 112 is opened at the bottom of the dyeing vat 1. An input pipe 113 is fixedly embedded in the inner cavity of one end of the heating tank 112. A heat transfer oil circulation pump 114 is fixedly connected to the other end of the input pipe 113. A temperature sensor 115 is fixedly embedded in the bottom of one end of the inner cavity of the dyeing vat 1. A cleaning assembly 2 is set at both ends of the inner cavity of the dyeing vat 1. A heating assembly 3 is set at the output end of the heat transfer oil circulation pump 114.

[0025] Specifically: the brush 203 rotates with the U-shaped scraper 202 and scrapes and cleans the inner wall of the dyeing vat 1. Water in the water supply pipe is sprayed onto the brush 203 by the nozzle 205, and water in the water supply pipe is sprayed out by the nozzle 111 through the inlet pipe 109. This design facilitates the cleaning of the inner wall of the dyeing vat and prevents the dye from adhering to the inner wall after it is drained from the dyeing vat. The temperature-controlled heating rod 305 heats the heat transfer oil 306. The heat transfer oil circulation pump 114 extracts the heat transfer oil 306 from the inner cavity of the heating tank 112 and re-transports the heat transfer oil 306 into the inner cavity of the heating tank 112. This design can heat the dye in the inner cavity of the dyeing vat to the required temperature, promote fuel diffusion, and improve the coloring rate. The temperature sensor 115 can monitor the temperature of the dye in the inner cavity of the dyeing vat 1 in real time and transmit the data to the external controller. The transmitted data will be displayed on the display screen of the external controller.

[0026] In one embodiment, support legs 101 are fixedly connected to the four corners below the surface of the dyeing vat 1, an electrically controlled valve 103 is fixedly installed in the inner cavity of the feed pipe 102, an electrically controlled valve 105 is fixedly installed in the inner cavity of the drain pipe 104, an L-shaped fixing plate 106 is fixedly connected to one end of the dyeing vat 1, and an electrically controlled valve 110 is fixedly installed in the inner cavity of the two water inlet pipes 109.

[0027] Specifically, such as Figure 1 As shown: Electrically controlled valve 103, electrically controlled valve 2 105 and electrically controlled valve 3 110 are commonly used electrical valves for controlling the on / off state of pipelines. Their specific structures are not described here.

[0028] In one embodiment, the cleaning assembly 2 includes two rotating shafts 201. A U-shaped scraper 202 is fixedly connected to one end of the surface of the two rotating shafts 201. Multiple brushes 203 are fixedly connected to the top and both sides of the U-shaped scraper 202. A U-shaped water supply pipe 204 is fixedly connected to one end of the two rotating shafts 201. Multiple nozzles 205 are embedded in the surface of the U-shaped water supply pipe 204. Support rods 206 are fixedly connected to both ends of the U-shaped water supply pipe 204. The other ends of the two support rods 206 are fixedly connected to both ends of the U-shaped scraper 202. A connecting pipe 207 is fixedly connected to one end of one of the rotating shafts 201. A driven gear 208 is fixedly sleeved on the surface of the connecting pipe 207. The surfaces of the two rotating shafts 201 are embedded in the two ends of the inner cavity of the dyeing vat 1 through sealed bearings. The other ends of the multiple brushes 203 are attached to the inner wall of the dyeing vat 1.

[0029] Specifically, such as Figure 3 As shown: the spray nozzle 205 sprays towards the brush 203, which helps the brush 203 to scrape and clean the inner wall of the dyeing vat 1.

[0030] In one embodiment, a drive gear 209 is meshed with one side of the driven gear 208. A motor 210 is provided on one side of the drive gear 209. The output end of the motor 210 is fixedly embedded in the center of the inner cavity of the drive gear 209. A rotary joint 211 is installed in the inner cavity of the other end of the connecting pipe 207. A water supply pipe 212 is fixedly sleeved on the surface of the other end of the rotary joint 211. An electrically controlled valve 213 is fixedly installed in the inner cavity of the water supply pipe 212. The inner cavities of the water supply pipe 212, the rotary joint 211, the connecting pipe 207, the U-shaped water supply pipe 204, and one of the rotating shafts 201 are interconnected.

[0031] Specifically, such as Figure 3 As shown: Rotary joint 211 is a commonly used pipe joint that can rotate 360 ​​degrees. Its specific structure will not be described here.

[0032] In one embodiment, the heating assembly 3 includes an output pipe 301, a plurality of temperature-controlled heating rods 305 and heat transfer oil 306. A plurality of support rods 302 are fixedly connected to the top of the output pipe 301. A diversion pipe 303 is fixedly connected to one end of the output pipe 301. A plurality of output pipes 304 are fixedly connected to the other side of the diversion pipe 303. The inner cavities of the output pipe 301, the diversion pipe 303 and the output pipes 304 are interconnected.

[0033] Specifically, such as Figure 4-5 As shown: The temperature-controlled heating rod 305 is a commonly used heating rod with a temperature sensor that can set the heating temperature as needed. The heating rod is turned on and off according to the data transmitted by the temperature sensor to keep the heat transfer oil at the set temperature. The specific structure will not be described in detail here.

[0034] In one embodiment, the top of the motor 210 is fixedly connected to the bottom of the L-shaped fixing plate 106, one end of the output end surface of the motor 210 is embedded in the interior of one end of the L-shaped fixing plate 106 via a bearing, and the surface of the water pipe 212 is fixedly embedded in the interior of one end of the L-shaped fixing plate 106.

[0035] Specifically, such as Figure 2 As shown: the motor 210 is fixed on the surface of the L-shaped fixing plate 106 to prevent the motor 210 from shaking during operation and affecting the normal operation of the equipment; the output end of the motor 210 is installed at one end of the L-shaped fixing plate 106 through a bearing to provide auxiliary support for the output end of the motor 210.

[0036] In one embodiment, the other end of the output pipe 301 is fixedly connected to the output end of the heat transfer oil circulation pump 114, the top ends of multiple support rods 302 are fixedly connected to the bottom of the dyeing vat 1, the surfaces of the other ends of multiple output pipes 304 are fixedly embedded in the inner cavity of the heating tank 112, the multiple output pipes 304 communicate with the inner cavity of the heating tank 112, the two ends of multiple temperature-controlled heating rods 305 are fixedly connected to the two ends of the inner cavity of the heating tank 112, and the heat transfer oil 306 fills the inner cavity of the heating tank 112, the input pipe 113, the heat transfer oil circulation pump 114, the output pipe 301, the diversion pipe 303 and the output pipe 304.

[0037] Specifically, such as Figure 4-5 As shown: Use support rod 2 302 to fix and connect output pipe 1 301 to the bottom of dyeing vat 1 to fix and support output pipe 1 301.

[0038] Working principle: The production equipment for this cotton-spandex high-elasticity knitted fabric is connected to an external power supply to provide power to the equipment. The external controller is associated with and controlled by the following valves: 103, 105, 110, 114 (heat transfer oil circulation pump), 210, 213 (temperature control heating rod), and 305. The inlet pipe 109 and outlet pipe 212 are connected to the external water supply pipeline. An external pump and connecting pipe are used to connect the feed pipe 102 to the external liquid dye tank. One end of the drain pipe 104 is connected to the external recovery pipeline. In the initial state, the following valves are closed: 103, 105, 110, and 213 (temperature control valve). The U-shaped scraper 202 is in a vertically upward position.

[0039] The motor 210 is started by an external controller, which controls the opening of the four electrically controlled valves 213, 110, and 105. The output of the motor 210 drives the drive gear 209 to rotate. The drive gear 209 meshes with the driven gear 208, and the driven gear 208 follows the drive gear 209. The connecting pipe 207 and the rotating shaft 201 also rotate with the driven gear 208. The rotating shaft 201 drives the U-shaped scraper 202 to rotate, and the brush 203 follows the U-shaped scraper 202 to rotate and clean the dye. The inner wall of cylinder 1 is scraped and cleaned. Water in the water supply pipe passes through water pipe 212, rotary joint 211, connecting pipe 207, rotating shaft 201 and U-shaped water supply pipe 204, and is finally sprayed by nozzle 205 onto brush 203. The brush 203 assists in cleaning dyeing cylinder 1 and nozzle 111. Water in the water supply pipe passes through water inlet pipe 109 and is sprayed out by nozzle 111 to clean the rotating U-shaped scraper 202 and U-shaped water supply pipe 204. The cleaned wastewater is discharged through drain pipe 104.

[0040] This design facilitates cleaning of the inner wall of the dyeing vat and prevents dye residue from adhering to the inner wall after the dye has drained from the vat.

[0041] The external controller controls the closing of electrical control valves 213, 110, and 105, stops motor 210, and opens electrical control valve 103. The U-shaped scraper 202 returns to its initial position. The liquid dye used for the mixed cotton-spandex high-elasticity knitted fabric is added to the inner cavity of dyeing tank 1 through feed pipe 102. The highest level of dye liquid needs to be slightly lower than the position of dyeing tank 107.

[0042] The heating temperature is set by an external controller, which controls the external power supply to power the temperature-controlled heating rod 305 and starts the heat transfer oil circulation pump 114. The temperature-controlled heating rod 305 heats the heat transfer oil 306. The heat transfer oil circulation pump 114 draws the heat transfer oil 306 out of the inner cavity of the heating tank 112 through the input pipe 113. The heat transfer oil 306 is then transported back to the inner cavity of the heating tank 112 through the output end of the heat transfer oil circulation pump 114, the first output pipe 301, the split pipe 303, and the second output pipe 304, so that the temperature of the heat transfer oil 306 is uniform. The temperature of the heat transfer oil 306 is transferred to the inner cavity of the dyeing vat 1, heating the dye in the inner cavity of the dyeing vat 1. When the data transmitted by the temperature sensor 115 on the external controller is stable, the cotton-spandex high-elasticity knitted fabric to be dyed is taken out of the dyeing tank 107 and immersed in the dye for dyeing. After the fabric is immersed, it is taken out of the dyeing tank 107 to complete the dyeing of the cotton-spandex high-elasticity knitted fabric.

[0043] This design allows the dye inside the dyeing vat to be heated to the required temperature, promoting fuel diffusion and increasing the coloring rate.

[0044] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A production equipment for cotton-spandex high-elasticity knitted fabric, characterized in that, include: A dyeing vat (1) has an inlet pipe (102) fixedly embedded at the top of one end, which communicates with the inner cavity of the dyeing vat (1). A drain pipe (104) is fixedly embedded at the bottom of the side of the other end of the dyeing vat (1), which communicates with the inner cavity of the dyeing vat (1). Dyeing tanks (107) are provided through both sides of the inner cavity of the dyeing vat (1). Water inlet tanks (108) are provided on both sides of the top of the dyeing vat (1). Water inlet pipes (109) are fixedly embedded on both sides of the top of one end of the dyeing vat (1). The two water inlet pipes (109) communicate with the inner cavities of the two water inlet tanks (108). (108) has multiple nozzles (111) fixedly embedded in its inner cavity. The other ends of the multiple nozzles (111) are located on both sides of the top of the inner cavity of the dyeing vat (1). The bottom of the dyeing vat (1) is provided with a heating groove (112). An input pipe (113) is fixedly embedded in the inner cavity of one end of the heating groove (112). The other end of the input pipe (113) is fixedly connected to a heat transfer oil circulation pump (114). A temperature sensor (115) is fixedly embedded in the bottom of one end of the inner cavity of the dyeing vat (1). A cleaning assembly (2) is provided at both ends of the inner cavity of the dyeing vat (1). A heating assembly (3) is provided at the output end of the heat transfer oil circulation pump (114).

2. The production equipment for cotton-spandex high-elasticity knitted fabric according to claim 1, characterized in that: Support legs (101) are fixedly connected to the four corners below the surface of the dyeing vat (1). An electric control valve (103) is fixedly installed in the inner cavity of the feed pipe (102). An electric control valve (2) is fixedly installed in the inner cavity of the drain pipe (104). An L-shaped fixing plate (106) is fixedly connected to one end of the dyeing vat (1). An electric control valve (3) is fixedly installed in the inner cavity of the two water inlet pipes (109).

3. The production equipment for cotton-spandex high-elasticity knitted fabric according to claim 1, characterized in that: The cleaning assembly (2) includes two rotating shafts (201). A U-shaped scraper (202) is fixedly connected to one end of each rotating shaft (201). Multiple brushes (203) are fixedly connected to the top and sides of each U-shaped scraper (202). A U-shaped water pipe (204) is fixedly connected to one end of each rotating shaft (201). Multiple nozzles (205) are embedded in the surface of the U-shaped water pipe (204). Both ends of the U-shaped water pipe (204) are fixedly connected to... Support rod 1 (206), the other ends of the two support rods 1 (206) are fixedly connected to the two ends of the U-shaped scraper (202), one end of the rotating shaft (201) is fixedly connected to the connecting pipe (207), the surface of the connecting pipe (207) is fixedly fitted with the driven gear (208), the surfaces of the two rotating shafts (201) are embedded in the two ends of the inner cavity of the dyeing vat (1) through sealed bearings, and the other ends of the multiple brushes (203) are attached to the inner wall of the dyeing vat (1).

4. The production equipment for cotton-spandex high-elasticity knitted fabric according to claim 3, characterized in that: A drive gear (209) is meshed with one side of the driven gear (208). A motor (210) is provided on one side of the drive gear (209). The output end of the motor (210) is fixedly embedded in the center of the inner cavity of the drive gear (209). A rotary joint (211) is installed in the inner cavity of the other end of the connecting pipe (207). A water supply pipe (212) is fixedly sleeved on the surface of the other end of the rotary joint (211). An electrically controlled valve (213) is fixedly installed in the inner cavity of the water supply pipe (212). The inner cavities of the water supply pipe (212), rotary joint (211), connecting pipe (207), U-shaped water supply pipe (204), and one of the rotating shafts (201) are interconnected.

5. The production equipment for cotton-spandex high-elasticity knitted fabric according to claim 4, characterized in that: The heating assembly (3) includes an output pipe (301), multiple temperature-controlled heating rods (305) and heat transfer oil (306). Multiple support rods (302) are fixedly connected to the top of the output pipe (301). A diversion pipe (303) is fixedly connected to one end of the output pipe (301). Multiple output pipes (304) are fixedly connected to the other side of the diversion pipe (303). The inner cavities of the output pipe (301), the diversion pipe (303) and the output pipes (304) are interconnected.

6. The production equipment for cotton-spandex high-elasticity knitted fabric according to claim 4, characterized in that: The top of the motor (210) is fixedly connected to the bottom of the L-shaped fixing plate (106). One end of the output end of the motor (210) is embedded in the interior of one end of the L-shaped fixing plate (106) through a bearing. The surface of the water pipe (212) is fixedly embedded in the interior of one end of the L-shaped fixing plate (106).

7. The production equipment for cotton-spandex high-elasticity knitted fabric according to claim 5, characterized in that: The other end of the first output pipe (301) is fixedly connected to the output end of the heat transfer oil circulation pump (114). The top ends of the multiple second support rods (302) are fixedly connected to the bottom of the dyeing vat (1). The surface of the other end of the multiple second output pipes (304) is fixedly embedded in the inner cavity of the heating tank (112). The multiple second output pipes (304) are in communication with the inner cavity of the heating tank (112). The two ends of the multiple temperature control heating rods (305) are fixedly connected to the two ends of the inner cavity of the heating tank (112). The heat transfer oil (306) fills the inner cavities of the heating tank (112), the input pipe (113), the heat transfer oil circulation pump (114), the first output pipe (301), the branch pipe (303), and the second output pipe (304).

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