CN109023777B - Printing and dyeing pretreatment device based on online water permeability detection and treatment - Google Patents

Abstract

The invention is a pre-processing device for printing and dyeing based on on-line water permeability detection and treatment. At the same time, for the part with low water permeability in the long cloth, corresponding on-line treatment is performed to diagnose the specific reason why the water permeability is lower than the standard value. In addition, a unique anti-shock (anti-idling) measure is designed for the pump part of the device.

Description

A printing and dyeing pretreatment device based on online water permeability detection and treatment

technical field

The invention relates to the field of printing and dyeing, in particular to a pre-processing device for printing and dyeing based on on-line water permeability detection and processing.

Background technique

Before the printing and dyeing of the cloth, it is often necessary to carry out pre-treatment procedures on the cloth. These pre-treatment procedures include desizing, scouring, and dyeing of the auxiliary working solution. Printing and dyeing equipment. In the existing auxiliaries working liquid impregnation, the method of directly placing the cloth in the tank is often used for impregnation. This method can only impregnate the cloth with limited length. The present invention is a rapid and continuous long cloth impregnation device. . Water permeability (liquid permeability) refers to the passing rate of liquid in the pores of the cloth, and is an important indicator that affects the effect of cloth dyeing. Due to the difficulty of online water permeability detection, the industry often uses air permeability to roughly measure the water permeability of the cloth. This is not very accurate. The present invention is a pre-processing device for printing and dyeing based on on-line water permeability detection and treatment. At the same time, for the low water permeability part of the long cloth, corresponding on-line treatment is made to diagnose that the water permeability is lower than the standard. The specific reason for the value. In addition, a unique anti-shock (anti-idling) measure is designed for the pump part of the device.

SUMMARY OF THE INVENTION

In view of the above problems, the present invention provides a pre-processing device for printing and dyeing based on on-line water permeability detection and processing.

The object of the present invention adopts the following technical solutions to realize:

A pre-processing device for printing and dyeing based on online water permeability detection and processing, comprising:

The cloth continuous conveying and impregnation unit is used to continuously convey the cloth in the dyeing vat for impregnation. The cloth continuous conveying and impregnating unit specifically includes a dye vat with an upper end opening, a rotating roller and a fixed shaft. One end of the cloth is wound on the rotating roller, and the other end is wound around the rotating roller. On the fixed shaft, the rotating roller and the fixed shaft are respectively arranged on both sides of the dyeing vat, the rotating roller is driven to rotate by the motor, the fixed shaft is supported by the first support rod, and the motor is supported by the second support rod; it also includes the front liquid level located in the dyeing vat The tensioned cloth passes through the bottom of the front-end liquid level cylinder and the rear-end liquid level cylinder, and the cloth closely contacts the lower left side of the front-end liquid level cylinder and the lower right side of the rear-end liquid level cylinder;

Liquid level online water permeability detection unit, including front-end detection unit and rear-end detection unit, compare the opening of the automatic liquid level control valve with the set opening value, respectively, when the cloth enters the dyeing vat and when it leaves the dyeing vat. To judge the water permeability, the liquid level online water permeability detection unit specifically includes a front-end liquid level cylinder, a back-end liquid level cylinder, a front-end pump, a back-end pump, a front-end transfer box, a back-end transfer box, a front-end liquid level control valve and a back-end liquid level control valve. For the liquid level control valve, the front-end liquid level cylinder is provided with a front-end liquid permeable hole on the lower left side wall of the front-end liquid level cylinder; The inlet is connected, the outlet pipe of the front-end pump is connected with the front-end transfer box, the rear-end liquid level cylinder is connected with the inlet of the back-end pump through a hose, the outlet pipe of the back-end pump is connected with the rear-end transfer box, and the front-end liquid level regulating valve is connected to the back-end transfer box. The liquid level regulating valve is respectively arranged on the outlet pipe of the front-end pump and the outlet pipe of the rear-end pump. The front-end transfer box and the rear-end transfer box are respectively communicated with the dye vat through the front-end liquid return hole and the rear-end liquid return hole, and the front-end liquid permeable hole and The rear liquid permeable holes are covered by cloth; the front liquid level cylinder and the rear liquid level cylinder are respectively provided with liquid level sensors, the front liquid level regulating valve and the rear liquid level regulating valve are put into automatic operation during operation, and the front liquid level cylinder is automatically controlled and the liquid level of the rear-end liquid level cylinder are at the set value; the front-end pump and the front-end transfer box are fixedly connected to the left side of the dyeing vat, and the rear-end pump and the rear-end transfer box are fixedly connected to the right side of the dyeing vat;

The low water permeability treatment unit includes a cloth jacking unit and a penetrating rotary brush sub unit. When the water permeability detected by the front-end detection unit is lower than expected, the cloth continuous conveying and dyeing unit will transport the low water permeability part of the cloth to the middle of the dyeing vat , the cloth jacking unit starts to jack up the cloth intermittently, and at the same time, the penetration type rotating brush plate sub-unit uses the power of the circulating power unit to reach the upper end of the cloth and keep rotating, and the low water permeability part of the cloth is in the gap between the cloth jacking unit It is continuously brushed by the rotating brush plate under the strong lifting to remove the foreign matter that may exist in the pores of the cloth; after the treatment is completed, the cloth continues to be transported forward, and the back-end detection unit will test the low-permeability part of the cloth again. If the test is qualified, The cloth continues to be transported forward. If the inspection fails, it is judged that the cloth itself has poor water permeability, and an alarm is sent to the operator; the cloth lifter unit includes a plurality of semi-circular plates located under the cloth, and the plurality of semi-circular plates are located at the center of the circle. It is fixed on the rotating shaft of the semi-circular plate. The rotating shaft of the semi-circular plate is driven by a rotating motor. The end of the rotating shaft of the semi-circular plate is placed in the bearing seat; The pressurizing pipe communicates with the upper part of the driving cylinder, a pressurizing control valve is arranged on the pressurizing pipe, a piston is built in the driving cylinder, the lower end of the piston is fixedly connected with the bottom wall of the driving cylinder through a spring, the piston is fixedly connected with the driving rod, and has a brush wire. The rotating brush plate is fixed to the end of the drive rod, the rotating brush plate is placed in the circular groove of the installation plate, a plurality of blades are fixed on the drive rod, the blades are located in the circular cavity opened on the installation plate, and the lower end of the installation plate has The inner convex edge of the limit; the pressure pipe is divided into a water inlet pipe and communicated with the circular cavity, the water inlet pipe is provided with a water inlet control valve, and the water outlet pipe of the circular cavity is connected with a plurality of liquid spray holes opened at the lower end of the rotating brush plate; plus The water inlet of the pressure pump is connected to the bottom of the dye vat;

The circulating power unit, including the pressurizing pump, uses the working fluid in the dye vat as the power medium of the pressurizing pump to provide the power for the penetration and rotation of the rotary brush plate;

The pump body water hammer and idling prevention unit is used to forcibly rotate the liquid level cylinder in the liquid level online water permeability detection unit when the liquid level in the liquid level online water permeability detection unit is too low and the pump motor is not stopped in conjunction At a certain angle, the liquid penetration hole is forced to enter the liquid to increase the liquid level in the liquid level cylinder; the water hammer and idling prevention unit of the pump body specifically includes a front-end stepping motor and a rear-end liquid level cylinder for driving the front-end liquid level cylinder and the rear-end liquid level cylinder. The end stepping motor is respectively fixedly connected to the front-end liquid level cylinder and the rear-end liquid level cylinder through the output shaft.

Description of drawings

The present invention will be further described by using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention. For those of ordinary skill in the art, under the premise of no creative work, other Attached.

Fig. 1 is the front sectional view of the present invention;

Fig. 2 is the external axonometric view of the present invention;

3 is a cross-sectional view of a probe-type rotary brush sub-unit;

Fig. 4 is the axonometric view of the rotating brush plate;

Figure 5 is an axonometric view of the drive barrel and associated components of the mounting plate;

Fig. 6 is the axonometric view of the cloth jacking sub unit;

Fig. 7 is an axonometric view of the pump body water hammer and idling preventing unit.

Detailed ways

The present invention will be further described with reference to the following examples.

Please refer to a printing and dyeing pre-treatment device based on online water permeability detection and treatment as shown in Figures 1-7, which is characterized in that it includes:

The cloth continuous conveying and impregnation unit is used for continuously conveying the cloth 1 in the dyeing vat 2 for impregnation;

Liquid level online water permeability detection unit, including front-end detection unit and back-end detection unit, compares the opening of the automatic liquid level control valve with the set opening value, respectively, when the cloth 1 enters the dyeing vat 2 and leaves the dyeing vat The water permeability at 2 o'clock is judged;

The low water permeability treatment unit includes a cloth jacking unit and a penetrating rotary brush sub unit. When the water permeability detected by the front-end detection unit is lower than expected, the cloth continuous conveying and dyeing unit will transport the low water permeability part of the cloth to the middle of the dyeing vat , the cloth jacking unit starts to jack up the cloth 1 intermittently, and at the same time, the penetrating rotary brush sub-unit uses the power of the circulating power unit to probe into the upper end of the cloth 1 and keeps rotating, and the low water permeability part of the cloth is on the cloth jacking unit. It is continuously brushed by the rotating brush plate 3 under the intermittent jacking to remove the foreign matter that may exist in the pores of the cloth; after the treatment is completed, the cloth 1 continues to be transported forward, and the back-end detection unit detects the low-permeability part of the cloth again. , if the test is qualified, the cloth 1 will be transported forward. If the test is unqualified, it will be judged that the cloth itself has poor water permeability, and an alarm will be sent to the operator;

The circulating power unit, including the pressurizing pump 4, uses the working fluid in the dye vat 2 as the power medium of the pressurizing pump 4 to provide the probing-type rotating brush plate 3 with power for descending and rotating;

The pump body water hammer and idling prevention unit is used to forcibly rotate the liquid level cylinder in the liquid level online water permeability detection unit when the liquid level in the liquid level online water permeability detection unit is too low and the pump motor is not stopped in conjunction At a certain angle, the liquid permeable hole is forced to enter the liquid to increase the liquid level in the liquid level cylinder.

The cloth continuous conveying unit includes a dye vat 2 with an open upper end, a rotating roller 5 and a fixed shaft 6. One end of the cloth 1 is wound on the rotating roller 5, and the other end is wound on the fixed shaft 6, and the rotating roller 5 and the fixed shaft 6 are respectively arranged in the dye vat 2. On both sides, the rotating roller 5 is driven to rotate by the motor 9, the fixed shaft 6 is supported by the first support rod 10, and the motor 9 is supported by the second support rod 11; it also includes the front-end liquid level cylinder 12 and the rear-end liquid level cylinder located in the dye vat 2. Level cylinder 13, the tensioned cloth 1 passes through the bottom of the front-end level cylinder 12 and the rear-end level cylinder 13, and the cloth 1 is in close contact with the lower left side of the front-end level cylinder 12 and the lower right side of the rear-end level cylinder 13. side.

The liquid level online water permeability detection unit includes a front-end liquid level cylinder 12, a rear-end liquid level cylinder 13, a front-end pump 14, a rear-end pump 15, a front-end transfer box 16, a rear-end transfer box 17, a front-end liquid level regulating valve 18 and a rear The end liquid level regulating valve 19, the front end liquid level cylinder 12 is provided with a front end liquid permeable hole 20 on the left lower side wall, and the right lower side wall of the rear liquid level cylinder 13 is provided with a rear end liquid permeation hole 21. 20 is communicated with the inlet of the front end pump 14 through a hose, the outlet pipe 22 of the front end pump is communicated with the front end transfer box 16, the rear end liquid level cylinder 13 is communicated with the inlet of the rear end pump 15 through a hose, and the outlet pipe 23 of the rear end pump 15 is communicated with the inlet of the rear end pump 15. The rear end transfer box 17 is connected, the front end liquid level regulating valve 18 and the rear end liquid level regulating valve 19 are respectively arranged on the outlet pipe 22 of the front end pump and the outlet pipe 23 of the rear end pump, the front end transfer box 16 and the rear end transfer box 17 The front-end liquid-return hole 24 and the rear-end liquid-return hole 25 are respectively communicated with the dye vat 2. The front-end liquid-permeable hole 20 and the rear-end liquid-permeable hole 21 are both blocked by the cloth 1; A liquid level sensor is provided respectively, and the front liquid level regulating valve 18 and the rear liquid level regulating valve 19 are put into automatic operation during operation, and the liquid levels of the front liquid level cylinder 12 and the rear liquid level cylinder 13 are automatically controlled at the set value (generally taken as the set value). 1/2 the height of the liquid level cylinder); the front-end pump 14 and the front-end transfer box 16 are fixedly connected to the left side of the dyeing vat 2, and the rear-end pump 15 and the rear-end transfer box 17 are fixedly connected to the right side of the dyeing vat 2.

The cloth jacking unit includes a plurality of semicircular plates 26 located below the cloth 2. The plurality of semicircular plates 26 are fixedly connected to the semicircular plate rotating shaft 27 at the center of the circle. The semicircular plate rotating shaft 27 is driven by a rotating motor 28. In the bearing seat 29; the penetrating rotary brush sub-unit is integrally fixed on the frame plate 50, and the shelf 50 is fixed to the upper edge of the dye vat 2 through the upright column 51. The penetrating rotary brush sub-unit includes a driving cylinder 30, a rotating The brush plate 3 and the pressurizing pump 4, the pressurizing pump 4 communicates with the upper part of the driving cylinder 30 through the pressurizing pipe 53, the pressurizing pipe 32 is provided with a pressurizing control valve 33, the driving cylinder 30 has a built-in piston 34, and the lower end of the piston 34 The spring 35 is fixed to the bottom wall of the driving cylinder 30 , the piston 34 is fixed to the driving rod 36 , the rotating brush plate 3 with the brush wire 53 is fixed to the end of the driving rod 36 , and the rotating brush plate 3 is placed on the mounting plate 31 . In the circular groove 37, a plurality of blades 39 are fixed on the driving rod 36, and the blades 39 are located in the circular cavity 40 opened on the mounting plate 31 (the mounting plate 31 is a rubber body, and the driving rod 36 passes through the mounting plate 31 and is installed. The plate 31 is in close contact with the seal, in order to increase the water tightness, a movable sealing ring can be added at the contact point), the lower end of the installation plate 31 has a limit inner convex edge 41; The water inlet pipe 42 is provided with a water inlet control valve 43 , and the water outlet pipe 44 of the circular cavity communicates with a plurality of spray holes 45 opened at the lower end of the rotary brush plate 3 ;

The pump body water hammer and idling prevention unit includes a front-end stepping motor 46 and a rear-end stepping motor 47 for driving the front-end liquid level cylinder 12 and the rear-end liquid level cylinder 13, which are connected to the front-end liquid level cylinder through the output shaft 48 respectively. 12 and the rear-end liquid level cylinder 13 are fixedly connected, and both the front-end liquid-level cylinder 12 and the rear-end liquid level cylinder 13 are cylinders with both ends sealed. A control panel 49 is fixed to the side wall of the dye vat 2 .

When the device is in use, firstly arrange the cloth 1 as shown in Figure 1, then add working liquid to the dye vat 2 until the liquid level does not exceed the liquid level cylinder (dotted line in Figure 1), and rotate the roller 5 to make the cloth 1 tension ( In order to ensure the tension force, the cloth on the fixed shaft 6 needs to be tightly wound, and it is better to place a counterweight on the leftmost end of the cloth, which belongs to the category of the prior art and will not be described in detail. The cloth between 13 and 13 can be immersed in liquid separately before being arranged), and at the same time, the cloth 1 is continuously conveyed to the right and wound on the rotating roller 5. At this time, the working liquid will pass through the pores of the cloth 1 and enter from the front-end liquid-permeable hole 20 to the rotating roller 5. In the front-end liquid level cylinder 12, start the front-end pump 14 to send the working fluid in the front-end liquid level cylinder 12 to the front-end transfer tank 16, and then return to the dye vat 2 through the front-end liquid return hole 24. The level control valve 18 is put in to automatically track the liquid level of the front-end liquid level cylinder 12 and keep it at 1/2 of the height. The opening of the position control valve 18 will be kept at a fixed value (the fluctuation range is extremely small, and the specific value of the fixed value is judged by the staff according to different cloths to determine whether it is reasonable), when the water permeability of a certain section of the cloth decreases, the When the low-permeability cloth runs to the position of the front-end permeable hole 20, the liquid level in the front-end liquid level cylinder 12 will drop a lot. At this time, in order to maintain the liquid level at the set value, the opening of the front-end liquid level control valve 18 will be reduced. If it is greatly reduced, the controller records the cloth position where the reduction of the liquid level control valve 18 is greater than the set value (judged according to the rotation angle of the roller motor), and then transfers the cloth to the front-end liquid level cylinder through the roller 5 12 and the rear-end liquid level cylinder 13, start the pressurizing pump 4. On the one hand, the pressurizing pump 4 transports the working fluid to the upper part of the driving cylinder 30, and the squeezing piston 34 moves downward until the rotating brush plate 3 is close to contacting the cloth. On the one hand, the water inlet pipe 42 enters the circular cavity 40 to impact the blade 39 to rotate, thereby driving the rotating brush plate 3 to rotate; at the same time, the rotating motor 28 is activated, the semi-circular plate 26 rotates upward, and pushes up the cloth, so that the fine holes of the cloth are sprinted by the brush wire 37 , to clear out the possible foreign matter in the pores, and at the same time, the working liquid sprayed from the liquid spray hole 45 continuously washes the cloth in the low water permeability section. With the continuous rotation of the rotary motor 28, the cloth is constantly lifted and lowered. , After working for a certain period of time, stop the rotating motor 28 and the pressurizing pump 4, and the rotating brush plate 3 will resume upward under the spring force. The back-end liquid level detection unit and the front-end liquid level detection unit are activated at the same time, and the set values are the same. If the opening degree does not become significantly smaller, it means that it is caused by the presence of foreign matter in the cloth. The cloth continues to be transported forward and the device continues to work. If the opening degree of the rear-end liquid level control valve 19 also becomes significantly smaller, it is judged that the quality of the cloth itself is The problem caused the water permeability to be too poor, and an alarm was sent to the operator, who checked the section of cloth. When the liquid level in the front-end liquid level cylinder 12 or the rear-end liquid-level cylinder 13 is too low, and the motor of the front-end pump 14 or the rear-end pump 15 is not linked and stops running, the front-end liquid level cylinder 12 is forcibly rotated counterclockwise or after the clockwise rotation The end liquid level cylinder 13 has a certain angle (set to 180°, at this time the liquid permeable hole is upward), so that the liquid permeable hole is forced to enter the liquid, so as to increase the liquid level in the liquid level cylinder and prevent the air entering the pump body from causing water hammer or No water idling.

Beneficial effects: It has a unique liquid level online water permeability detection device, which can measure the online water permeability according to the opening of the liquid level control valve, and according to the detection results, use the cloth jacking unit and the penetrating rotary brush plate subunit to detect the low water permeability. The cloth in the water-permeable section is treated to remove possible foreign matter in the pores of the cloth. When the cloth in the low-water-permeability section runs to the rear-end liquid level detection unit, the detection is carried out again. If the opening of the rear-end liquid level control valve is also obvious If it becomes smaller, it is judged that the water permeability of the cloth itself is too poor, and an alarm is sent to the operator. The comprehensive detection effect is good, the processing is efficient, and the system integration is strong. In addition, according to the characteristics of the device, a unique waterproof (anti-idling) measures are designed. , and achieved good results in practical use.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, not to limit the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that , the technical solutions of the present invention may be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention.

Claims (2)

1. The utility model provides a processing apparatus before printing and dyeing based on online water permeability detects and handles which characterized by includes:

the continuous cloth conveying and dip-dyeing unit is used for continuously conveying cloth into a dye vat for dip-dyeing, and specifically comprises the dye vat with an opening at the upper end, a rotary roller and a fixed shaft, wherein one end of the cloth is wound on the rotary roller, the other end of the cloth is wound on the fixed shaft, the rotary roller and the fixed shaft are respectively arranged at two sides of the dye vat, the rotary roller is driven to rotate by a motor, the fixed shaft is supported by a first support rod, and the motor is supported by a second support rod; the dyeing machine also comprises a front end liquid level cylinder and a rear end liquid level cylinder which are positioned in the dye vat, and the tensioned cloth passes through the bottoms of the front end liquid level cylinder and the rear end liquid level cylinder and is closely contacted with the left lower side of the front end liquid level cylinder and the right lower side of the rear end liquid level cylinder;

a liquid level type online water permeability detection unit comprises a front end detection unit and a rear end detection unit, the water permeability of cloth when entering a dye vat and when leaving the dye vat is judged respectively by comparing the opening of a liquid level regulating valve which is put into automatic with a set opening value, the liquid level type online water permeability detection unit specifically comprises a front end liquid level barrel, a rear end liquid level barrel, a front end pump, a rear end pump, a front end transfer box, a rear end transfer box, a front end liquid level regulating valve and a rear end liquid level regulating valve, a front end liquid level hole is arranged on the left lower side wall of the front end liquid level barrel, a rear end liquid level hole is arranged on the right lower side wall of the rear end liquid level barrel, the front end liquid level barrel is communicated with a front end pump inlet through a hose, an outlet pipe of the front end pump is communicated with the front end transfer box, the rear end liquid level barrel is communicated with a rear end pump inlet through a hose, an outlet pipe of the rear end pump is communicated with the rear end transfer box, the front end liquid level regulating valve and the rear end liquid level regulating valve are respectively arranged on an outlet pipe of, the front-end transfer box and the rear-end transfer box are respectively communicated with the dye vat through a front-end liquid return hole and a rear-end liquid return hole, and the front-end liquid-permeable hole and the rear-end liquid-permeable hole are both shielded by cloth; liquid level sensors are respectively arranged in the front end liquid level barrel and the rear end liquid level barrel, the front end liquid level regulating valve and the rear end liquid level regulating valve are automatically put into operation, and the liquid levels of the front end liquid level barrel and the rear end liquid level barrel are automatically controlled to be at set values; the front-end pump and the front-end transfer box are fixedly connected to the left side of the dye vat, and the rear-end pump and the rear-end transfer box are fixedly connected to the right side of the dye vat;

the low water permeability processing unit comprises a cloth jacking sub-unit and a probing type rotary brushing plate sub-unit, when the water permeability detected by the front end detection unit is lower than expected, the cloth continuous conveying dip dyeing unit conveys the cloth with low water permeability to the middle part of the dye vat, the cloth jacking opener unit starts to jack the cloth intermittently, the probing type rotary brushing plate sub-unit probes the upper end of the cloth by using the power of the circulating power unit and keeps rotating, and the cloth with low water permeability is brushed by the rotary brushing plate continuously under the clearance jacking of the cloth jacking sub-unit to remove foreign matters possibly existing in the pores of the cloth; after the treatment is finished, the cloth is continuously conveyed forwards, the rear end detection unit detects the cloth with low water permeability again, if the detection is qualified, the cloth is continuously conveyed forwards, and if the detection is unqualified, the cloth is judged to have poor water permeability, and an alarm is sent to an operator; the cloth jacking sub-unit comprises a plurality of semicircular plates positioned below the cloth, the semicircular plates are fixedly connected to a semicircular plate rotating shaft at the circle center, the semicircular plate rotating shaft is driven by a rotating motor, and the tail ends of the semicircular plate rotating shafts are arranged in the bearing seats; the probing type rotary brush plate subunit comprises a driving cylinder, a rotary brush plate and a pressure pump, wherein the pressure pump is communicated with the upper part of the driving cylinder through a pressure pipe, a pressure control valve is arranged on the pressure pipe, a piston is arranged in the driving cylinder, the lower end of the piston is fixedly connected with the bottom wall of the driving cylinder through a spring, the piston is fixedly connected with a driving rod, the rotary brush plate with brush wires is fixedly connected to the tail end of the driving rod, the rotary brush plate is arranged in a circular groove of a mounting plate, a plurality of blades are fixedly connected to the driving rod, the blades are positioned in a circular cavity formed in the mounting plate, and the lower end of the mounting; the pressurizing pipe is divided into a path of water inlet pipe which is communicated with the circular cavity, a water inlet control valve is arranged on the water inlet pipe, and a water outlet pipe of the circular cavity is communicated with a plurality of liquid spraying holes which are arranged at the lower end of the rotary brush plate; the water inlet of the pressure pump is communicated with the bottom of the dye vat;

the circulating power unit comprises a pressure pump, and the working liquid in the dye vat is used as a power medium of the pressure pump to provide downward probing and rotating power for the probing type rotary brush plate;

the pump body water hammer and idle rotation preventing unit is used for forcibly rotating a liquid level cylinder in the liquid level type online water permeability detecting unit for a certain angle when the liquid level in the liquid level type online water permeability detecting unit is too low and a pump body motor is not in linkage stop, so that liquid is forcibly fed into a liquid penetrating hole to improve the liquid level in the liquid level cylinder; the pump body water hammer and idle rotation prevention unit specifically comprises a front end stepping motor and a rear end stepping motor which are used for driving a front end liquid level barrel and a rear end liquid level barrel, the front end stepping motor and the rear end stepping motor are fixedly connected with the front end liquid level barrel and the rear end liquid level barrel through output shafts respectively, and the front end liquid level barrel and the rear end liquid level barrel are barrels with sealed two ends.

2. The pretreatment device for printing and dyeing according to claim 1, wherein a control panel is fixed to a side wall of the dye vat.

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