CN220295061U

CN220295061U - Felt pretreatment system

Info

Publication number: CN220295061U
Application number: CN202321995159.2U
Authority: CN
Inventors: 刘惠萍; 朱祚茂; 朱悦嘉; 苏星
Original assignee: Jiateng Electric Industry Ganzhou Co ltd
Current assignee: Jiateng Electric Industry Ganzhou Co ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-01-05
Anticipated expiration: 2033-07-27

Abstract

The utility model discloses a felt pretreatment system which comprises a raw paint container, a diluent container, a raw paint conveying pump, a diluent conveying pump, a paint dipping cylinder, a weighing mechanism, a viscosity tester, a felt extrusion mechanism, a felt lifting mechanism and a controller, wherein the raw paint container and the diluent container are used for conveying solution into the paint dipping cylinder through pipelines, the conveying pump is arranged on the pipelines, the paint dipping cylinder is arranged on the weighing mechanism, a probe of the viscosity tester is positioned in the paint dipping cylinder, the felt extrusion mechanism and the felt lifting mechanism are positioned above the paint dipping cylinder, the felt lifting mechanism drives a felt to drop into the paint dipping cylinder or lift to the felt extrusion mechanism to be extruded, and the raw paint conveying pump, the diluent conveying pump, the weighing mechanism, the viscosity tester, the felt extrusion mechanism and the felt lifting mechanism are all electrically connected with the controller. The viscosity of paint liquid in the paint dipping cylinder is controlled within a standard range, and the humidity of the felt after being pressed dry is digitized, so that the subsequent debugging precision is obviously improved, the debugging time is greatly reduced, and the painting quality is improved.

Description

Felt pretreatment system

Technical Field

The utility model relates to the technical field of enameled wire production, in particular to a felt pretreatment system.

Background

At present, the micro-fine wire enamelled wire adopts low-viscosity paint and felt to paint in a matching way due to the thin thickness (0.01-0.1 mm) and small width (0.1-1.0 mm) of the wire body. To improve the painting quality, the felt replacement period is generally between 24H and 48H, and even part of special painting technology is required to advance the felt replacement period to 12H. Because the felt is replaced frequently, the felt pretreatment requirement is correspondingly improved; and the requirements of different paint film specification standards are met, and the accuracy of felt soaking time, paint soaking liquid viscosity and press drying degree is also met. Accurate felt preliminary treatment can reduce the debugging time, reduces the japanning broken string risk, improves enameled wire film stability.

At present, most of paint felt pretreatment adopts a manual and jig soaking method, the manual press-drying degree and the soaking time are required to be confirmed manually, the soaking paint liquid is repeatedly used for a plurality of times, the viscosity of the soaking paint liquid is not detected in real time, the viscosity of the soaking paint liquid is ensured to be stable, the replacement frequency of the soaking paint liquid is increased, and the paint liquid is wasted; after soaking, the jig and the broken cloth are used for pressing paint, and redundant paint liquid on the felt is sucked and dried, and the broken cloth is used for sucking and drying, so that the paint liquid is a chemical substance, the broken cloth is required to be subjected to special treatment subsequently, the environment is polluted, and meanwhile, the operation mode of manual work and the jig is low in efficiency, and the requirement of mass production cannot be met.

The felt humidity refers to the weight ratio of the felt impregnating varnish pressing residual varnish liquid to the felt itself, and is an important index in the painting process. The prior art relies on the experience of staff to judge the felt humidity after the felt preliminary treatment, can't use the numerical value to quantify, leads to at every turn after changing the felt, and the debugging time has the difference, can't accurately judge film stabilization time, exists simultaneously because lacquer liquid viscosity grow and felt humidity are big, and enamelled wire appears enamelling particle and even appears the broken line condition that the resistance suddenly became large and causes after the japanning. The felt humidity is too low, and the paint film debugging time is improved after the painting, and the balance debugging is carried out by adjusting the paint dropping amount for a plurality of times, so that the production efficiency is reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model innovatively provides a felt pretreatment system which can detect the viscosity of paint liquid in real time and control the viscosity of the paint liquid in a paint dipping cylinder to be in a standard range; the method has the advantages that the wet degree of the pressed and dried felt is digitized, standardized control of the felt soaking time is realized, the efficiency and the precision of felt pretreatment are improved, the waste of paint liquid and the use of auxiliary materials are reduced, the environment is protected, the precision of the viscosity of the paint liquid and the precision of the felt humidity are improved, the debugging precision of enameled wires is obviously improved after the follow-up felt is replaced, the debugging time is greatly reduced, production abnormality is reduced, and the painting quality is improved.

In order to achieve the technical aim, the utility model discloses a felt pretreatment system which comprises a raw lacquer container, a thinner container, a raw lacquer delivery pump, a thinner delivery pump, a lacquer dipping cylinder, a weighing mechanism, a viscosity tester, a felt extrusion mechanism, a felt lifting mechanism and a controller,

the paint dipping device comprises a base paint container, a diluent container, a paint dipping cylinder, a base paint conveying pump, a diluent conveying pump, a weighing mechanism, a viscosity tester, a controller, a felt extruding mechanism and a felt elevating mechanism, wherein the base paint container and the diluent container are both used for conveying solution into the paint dipping cylinder through pipelines, the base paint conveying pump is arranged on the pipeline between the base paint container and the paint dipping cylinder, the diluent conveying pump is arranged on the pipeline between the diluent container and the paint dipping cylinder, the paint dipping cylinder is arranged on the weighing mechanism, the probe of the viscosity tester is positioned inside the paint dipping cylinder, the felt extruding mechanism and the felt elevating mechanism are both positioned above the paint dipping cylinder, the felt elevating mechanism drives a felt to fall into the paint dipping cylinder or to be extruded at the felt extruding mechanism, and the base paint conveying pump, the diluent conveying pump, the weighing mechanism, the viscosity tester, the felt extruding mechanism and the felt elevating mechanism are all electrically connected with the controller.

Further, the felt extrusion mechanism comprises a fixed extrusion plate, a movable extrusion plate and a pressing pressure maintaining device, wherein the fixed extrusion plate and the movable extrusion plate are arranged in parallel, the pressing pressure maintaining device is fixedly connected with one side, far away from the fixed extrusion plate, of the movable extrusion plate, the pressing pressure maintaining device drives the movable extrusion plate to be close to or far away from the fixed extrusion plate, and the pressing pressure maintaining device is electrically connected with the controller.

Further, the pressurizing and pressure maintaining device is a pneumatic cylinder, a hydraulic cylinder or an electric telescopic rod.

Further, the felt elevating system includes motor, spool and first traction wire, the output shaft of motor with spool coaxial coupling, the one end of first traction wire is fixed on the spool, the other end of first traction wire is connected with the felt, the motor with the controller electricity is connected.

Further, the felt elevating system includes linear reciprocating motion device and second haulage line, linear reciprocating motion device's motion end with the one end fixed connection of second haulage line, the other end of second haulage line is connected with the felt, linear reciprocating motion device is pneumatic cylinder, pneumatic cylinder or electric telescopic handle, linear reciprocating motion device with the controller electricity is connected.

Further, a filter screen is arranged in the paint dipping cylinder, and the filter screen is positioned below the felt extrusion mechanism and the felt lifting mechanism.

Further, the paint dipping device also comprises a stirrer, wherein a stirring paddle of the stirrer is positioned inside the paint dipping cylinder.

Further, a cylinder cover of the paint dipping cylinder is provided with a cylinder cover, and an opening for the felt to enter and exit is formed in the cylinder cover.

Further, a first electromagnetic valve is arranged at the pipeline outlet between the raw lacquer container and the lacquer dipping cylinder, a second electromagnetic valve is arranged at the pipeline outlet between the diluent container and the lacquer dipping cylinder, and the first electromagnetic valve and the second electromagnetic valve are electrically connected with the controller.

Further, the weighing mechanism is an electronic scale, a bottom plate is arranged on the weighing mechanism, and the paint dipping cylinder is arranged on the bottom plate.

The beneficial effects of the utility model are as follows:

the felt pretreatment system can detect the viscosity of the paint liquid in real time and control the viscosity of the paint liquid in the paint dipping cylinder to be in a standard range; the method has the advantages that the wet degree of the pressed and dried felt is digitized, standardized control of the felt soaking time is realized, the efficiency and the precision of felt pretreatment are improved, the waste of paint liquid and the use of auxiliary materials are reduced, the environment is protected, the precision of the viscosity of the paint liquid and the precision of the felt humidity are improved, the debugging precision of enameled wires is obviously improved after the follow-up felt is replaced, the debugging time is greatly reduced, production abnormality is reduced, and the painting quality is improved.

Drawings

FIG. 1 is a schematic diagram of a felt pretreatment system according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a felt pretreatment system according to another embodiment of the present utility model.

In the drawing the view of the figure,

1. a base paint container; 2. a diluent container; 3. a raw lacquer delivery pump; 4. a diluent delivery pump; 5. dipping a paint cylinder; 6. a weighing mechanism; 7. a viscosity tester; 8. a felt pressing mechanism; 81. fixing the extrusion plate; 82. a movable extrusion plate; 83. a pressurizing and pressure maintaining device; 9. a felt lifting mechanism; 91. a motor; 92. a spool; 93. a first traction wire; 94. a linear reciprocating motion device; 95. a second traction wire; 10. a filter screen; 11. a stirrer; 12. a cylinder cover; 13. a first electromagnetic valve; 14. a second electromagnetic valve; 15. a bottom plate; 16. a felt.

Detailed Description

The felt pretreatment system provided by the utility model is explained and illustrated in detail below with reference to the drawings.

The embodiment specifically discloses a felt pretreatment system, as shown in fig. 1, which comprises a raw paint container 1, a diluent container 2, a raw paint delivery pump 3, a diluent delivery pump 4, a paint dipping cylinder 5, a weighing mechanism 6, a viscosity tester 7, a felt extrusion mechanism 8, a felt lifting mechanism 9 and a controller, wherein the raw paint container 1 and the diluent container 2 are used for delivering solution into the paint dipping cylinder 5 through pipelines, the raw paint container 1 is filled with raw paint, the diluent container 2 is filled with the diluent, the raw paint delivery pump 3 is arranged on the pipeline between the raw paint container 1 and the paint dipping cylinder 5, the diluent delivery pump 4 is arranged on the pipeline between the diluent container 2 and the paint dipping cylinder 5, the raw paint delivery pump 3 pumps the raw paint in the raw paint container 1 into the paint dipping cylinder 5, and the diluent delivery pump 4 pumps the diluent in the diluent container 2 into the paint dipping cylinder 5 to supplement the raw paint or the diluent into the paint dipping cylinder 5. The paint dipping cylinder 5 is arranged on the weighing mechanism 6, the probe of the viscosity tester 7 is positioned inside the paint dipping cylinder 5, the felt extrusion mechanism 8 and the felt lifting mechanism 9 are both positioned above the paint dipping cylinder 5, the felt lifting mechanism 9 drives the felt 16 to descend into the paint dipping cylinder 5 or to ascend to the felt extrusion mechanism 8 to be extruded, and the raw paint conveying pump 3, the diluent conveying pump 4, the weighing mechanism 6, the viscosity tester 7, the felt extrusion mechanism 8 and the felt lifting mechanism 9 are all electrically connected with the controller. The automatic control of felt pretreatment can be realized through the control of the controller, and the control method of the controller is the existing control method.

In this embodiment, the cylinder cover of the paint dipping cylinder 5 is provided with a cylinder cover 12, and an opening for the felt 16 to enter and exit is formed in the cylinder cover 12. The cylinder cover 12 can prevent the paint liquid in the paint cylinder from being polluted by external foreign matters. In this embodiment, the viscosity tester 7 is fixedly connected with the cylinder head 12. The outlets of the two pipelines are not contacted with the paint dipping cylinder 5, the outlets of the pipelines are erected above the cylinder cover 12 through a bracket, and liquid conveyed by the pipelines enters the paint dipping cylinder 5 from a liquid inlet arranged on the cylinder cover 12.

As shown in fig. 1 and 2, the felt pressing mechanism 8 includes a fixed pressing plate 81, a movable pressing plate 82, and a pressing pressure maintaining device 83, where the fixed pressing plate 81 and the movable pressing plate 82 are arranged in parallel, the pressing pressure maintaining device 83 and the movable pressing plate 82 are fixedly connected to one side far away from the fixed pressing plate 81, the pressing pressure maintaining device 83 drives the movable pressing plate 82 to approach or far away from the fixed pressing plate 81, and the pressing pressure maintaining device is electrically connected to the controller. The movable extrusion plate 82 moves towards the fixed extrusion plate 81 and clamps the extrusion felt 16, so that paint liquid on the felt can be extruded, the extruded paint liquid falls into the paint dipping cylinder 5 below, the cyclic utilization of the paint liquid is realized, the paint liquid on the felt is not required to be sucked by using broken cloth, and the environmental pollution and the waste of the paint liquid are reduced; after the pressing, the movable pressing plate 82 moves away from the fixed pressing plate 81, and the pressing force is released, thereby releasing the felt 16.

In the present embodiment, the pressing and pressure maintaining device 83 is a pneumatic cylinder, a hydraulic cylinder, or an electric telescopic rod. Pneumatic cylinder, pneumatic cylinder and electric telescopic handle perpendicular to movable squeeze plate 82, pneumatic cylinder or electric telescopic handle's movable rod and movable squeeze plate 82 fixed connection, promote movable squeeze plate 82 to the motion of fixed squeeze plate 81 when the movable rod stretches out, drive movable squeeze plate 82 and keep away from fixed squeeze plate 81 when the movable rod withdraws. After the movable rod pushes the movable extrusion plate 82 to extrude the felt 16, the movement can be stopped for a period of time to maintain pressure. In order to ensure the stability and accuracy of the movement, a guide plate can be arranged, a guide hole is formed in the guide plate, and the movable rod reciprocates in the guide hole along the axial direction of the guide hole.

In this embodiment, as shown in fig. 1, the felt lifting mechanism 9 includes a motor 91, a winding shaft 92 and a first traction wire 93, an output shaft of the motor 91 is coaxially connected with the winding shaft 92, a coupling can be adopted between the output shaft of the motor and the winding shaft, one end of the first traction wire 93 is fixed on the winding shaft 92, the other end of the first traction wire 93 is connected with the felt 16, the motor is electrically connected with a controller, the motor 91 can drive the winding shaft 92 to twist or pay off in a positive and negative rotation manner, when the winding is performed, the felt 16 is driven to rise, when the paying off is performed, the felt 16 is lowered, and the lowest energy is lowered into the paint dipping cylinder 5.

In another embodiment, as shown in fig. 2, the felt lifting mechanism 9 includes a linear reciprocating device 94 and a second traction wire 95, wherein a moving end of the linear reciprocating device 94 is fixedly connected with one end of the second traction wire 95, the other end of the second traction wire 95 is connected with the felt 16, the linear reciprocating device 94 is a pneumatic cylinder, a hydraulic cylinder or an electric telescopic rod, and the linear reciprocating device is electrically connected with the controller. The pneumatic cylinder, the hydraulic cylinder and the electric telescopic rod are vertically fixed, the fixed rods of the pneumatic cylinder, the hydraulic cylinder and the electric telescopic rod are fixed, the fixed rods are positioned above the movable rods, and the movable rods stretch to drive the felt 16 to descend or ascend. When the movable rod stretches out, the felt 16 descends, the lowest energy of the movable rod descends into the paint dipping cylinder 5, and when the movable rod withdraws, the felt 16 is driven to ascend.

The first traction wire and the second traction wire can be steel wire ropes.

In the embodiment, a filter screen 10 is arranged in the paint dipping cylinder 5, and the filter screen 10 is positioned below the felt pressing mechanism 8 and the felt lifting mechanism 9. The filter screen is connected with the paint dipping jar can be dismantled, and filter screen 10 is the square filter screen of top open-ended, and the upper edge of filter screen 10 is higher than the highest liquid level of paint liquid in the paint dipping jar 5, and filter screen 10 is used for filtering the impurity on the felt 16, prevents paint liquid pollution.

The felt pretreatment system of the embodiment further comprises a stirrer 11, wherein a stirring paddle of the stirrer 11 is positioned inside the paint dipping cylinder 5. The main machine of the mixer 11 is fixed to a cylinder head 12. The stirrer 11 can be electrically connected with a controller, and the controller controls the stirrer 11 to stir the paint liquid in the paint dipping cylinder 5 at regular time, so that the concentration of the paint liquid in the paint dipping cylinder 5 is ensured to be uniform, and the viscosity detected by the viscosity tester 7 is accurate.

As shown in fig. 1 and 2, a first electromagnetic valve 13 is arranged at the pipeline outlet between the raw paint container 1 and the paint dipping cylinder 5, a second electromagnetic valve 14 is arranged at the pipeline outlet between the diluent container 2 and the paint dipping cylinder 5, and the first electromagnetic valve 13 and the second electromagnetic valve 14 are electrically connected with a controller. The first solenoid valve 13 and the second solenoid valve 14 are used for controlling opening and closing of the pipelines.

In this embodiment, the weighing mechanism 6 is an electronic scale, a bottom plate 15 is arranged on the weighing mechanism 6, and the paint dipping cylinder 5 is arranged on the bottom plate 15. The base plate 15 is used for supporting the paint dipping cylinders 5. The weighing mechanism 6 displays the weight of the item placed thereon in real time. In this embodiment, the weight change value of the paint liquid in the paint dipping cylinder is measured by the weighing mechanism 6.

In order to control the viscosity of the paint liquid in the paint dipping cylinder 5 to be in a standard range, a certain amount of paint liquid is filled in the paint dipping cylinder 5, a viscosity tester 7 detects the viscosity of the paint liquid in real time, data are transmitted to a controller, a weighing mechanism 6 displays the total weight of the paint dipping cylinder 5, the paint liquid, a stirrer 11, a filter screen 10, the viscosity tester 7 and a bottom plate 15, weight data are transmitted to the controller, the difference between the current total weight and the initial total weight detected by the weighing mechanism is a weight change value of the paint liquid, the current paint liquid in the paint dipping cylinder can be calculated according to the weight change value of the paint liquid and the initial weight value of the paint liquid, and then the weight of the diluent or raw paint to be added can be calculated according to the current paint liquid viscosity detected by the viscosity tester. The viscosity standard range is preset in the controller, when the viscosity exceeds the standard range, the weight of the diluent or the raw paint to be added is automatically calculated through the controller, then data are transmitted to the raw paint conveying pump 3 or the diluent conveying pump 4, the raw paint in the raw paint container 1 or the diluent in the diluent container 2 is conveyed into the paint dipping cylinder 5 according to conveying numerical values for proportioning, the paint liquid after being proportioned again is stirred uniformly by the stirrer 11, and the viscosity of the paint dipping liquid is controlled within the standard range through the cyclic automatic operation of the steps.

The humidity control principle of the paint dipping felt 16 is that the felt 16 is fixed on a first traction wire 93 or a second traction wire 95 through a clamping needle and is placed in a filter screen 10 in a paint dipping cylinder 5 for dipping, after the preset paint dipping time is reached, a controller controls a felt lifting mechanism 9 to lift the felt 16 from the paint dipping cylinder 5 to the middle position of a fixed extrusion plate 81 and a movable extrusion plate 82, meanwhile, a pressure-applying pressure-maintaining device 83 pushes the movable extrusion plate 82 to move towards the fixed extrusion plate 81, the paint dipping felt 16 is extruded and maintained for a period of time, part of paint liquid on the paint dipping felt flows back into the paint dipping cylinder 5 again after extrusion, the filter screen can filter impurities on the felt and impurities on the felt falling along with the paint liquid during paint dipping of the felt, and the filtered impurities are taken out at any time. Due to the existence of the weighing mechanism 6, when the humidity of the felt 16 reaches a preset value, the pressing pressure maintaining device 83 drives the movable extrusion plate 82 to move in a direction away from the fixed extrusion plate 81, the felt 16 is loosened, and the felt 16 with a specific humidity value can be obtained through taking out tools such as tweezers. In this embodiment, the humidity of the felt can be characterized by the weight of the felt residual paint liquid, the weight of the felt residual paint liquid=the total weight measured by the weighing mechanism before the felt is painted (the felt is placed in the filter screen) -the weight of the felt-the total weight measured by the weighing mechanism after the paint liquid is refluxed, or the weight of the felt residual paint liquid=the total weight measured by the weighing mechanism before the felt is immersed in the paint (the felt is not placed in the filter screen) -the total weight measured by the weighing mechanism after the paint liquid is refluxed.

The felt pretreatment system of the embodiment can realize viscosity control of paint dipping paint liquid and numerical standardized control of felt humidity, improve the viscosity precision of the paint liquid and the humidity precision of the felt, realize standardized control of felt dipping time, greatly reduce subsequent debugging time, reduce production abnormality and improve painting quality.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model, but any modifications, equivalents, and simple improvements made within the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. A felt pretreatment system is characterized by comprising a raw lacquer container (1), a diluent container (2), a raw lacquer delivery pump (3), a diluent delivery pump (4), a lacquer dipping cylinder (5), a weighing mechanism (6), a viscosity tester (7), a felt extrusion mechanism (8), a felt lifting mechanism (9) and a controller,

the paint dipping machine is characterized in that the raw paint container (1) and the diluent container (2) are both used for conveying solution into the paint dipping cylinder (5) through pipelines, the raw paint conveying pump (3) is arranged on the pipeline between the raw paint container (1) and the paint dipping cylinder (5), the diluent conveying pump (4) is arranged on the pipeline between the diluent container (2) and the paint dipping cylinder (5), the paint dipping cylinder (5) is arranged on the weighing mechanism (6), the probe of the viscosity tester (7) is positioned inside the paint dipping cylinder (5), the felt pressing mechanism (8) and the felt lifting mechanism (9) are both positioned above the paint dipping cylinder (5), the felt lifting mechanism (9) drives the felt (16) to be lowered into the paint dipping cylinder (5) or to be lifted to the felt pressing mechanism (8), and the raw paint conveying pump (3), the diluent conveying pump (4), the weighing mechanism (6), the viscosity tester (7) and the felt pressing mechanism (8) are connected with the electric controller (9).

2. The felt pretreatment system according to claim 1, wherein the felt pressing mechanism (8) comprises a fixed pressing plate (81), a movable pressing plate (82) and a pressing and pressure maintaining device (83), the fixed pressing plate (81) and the movable pressing plate (82) are arranged in parallel, the pressing and pressure maintaining device (83) and the movable pressing plate (82) are fixedly connected at one side far away from the fixed pressing plate (81), the pressing and pressure maintaining device (83) drives the movable pressing plate (82) to be close to or far away from the fixed pressing plate (81), and the pressing and pressure maintaining device (83) is electrically connected with the controller.

3. Felt pretreatment system according to claim 2, characterized in that the pressing and pressure maintaining device (83) is a pneumatic cylinder, a hydraulic cylinder or an electric telescopic rod.

4. The felt pretreatment system according to claim 1 or 2, wherein the felt lifting mechanism (9) comprises a motor (91), a winding shaft (92) and a first traction wire (93), an output shaft of the motor (91) is coaxially connected with the winding shaft (92), one end of the first traction wire (93) is fixed on the winding shaft (92), the other end of the first traction wire (93) is connected with the felt (16), and the motor (91) is electrically connected with the controller.

5. The felt pretreatment system according to claim 1 or 2, wherein the felt lifting mechanism (9) comprises a linear reciprocating device (94) and a second traction wire (95), a moving end of the linear reciprocating device (94) is fixedly connected with one end of the second traction wire (95), the other end of the second traction wire (95) is connected with the felt (16), the linear reciprocating device (94) is a pneumatic cylinder, a hydraulic cylinder or an electric telescopic rod, and the linear reciprocating device is electrically connected with the controller.

6. Felt pretreatment system according to claim 1, characterized in that a filter screen (10) is provided in the paint dipping cylinder (5), the filter screen (10) being located below the felt pressing mechanism (8) and the felt lifting mechanism (9).

7. The felt pretreatment system according to claim 1, further comprising a stirrer (11), a stirring paddle of the stirrer (11) being located inside the paint dipping cylinder (5).

8. The felt pretreatment system according to claim 1, wherein the cylinder cover of the paint dipping cylinder (5) is provided with a cylinder cover (12), and an opening for the felt (16) to enter and exit is formed in the cylinder cover (12).

9. The felt pretreatment system according to claim 1, wherein a first electromagnetic valve (13) is provided at a pipeline outlet between the raw paint container (1) and the paint dipping cylinder (5), a second electromagnetic valve (14) is provided at a pipeline outlet between the diluent container (2) and the paint dipping cylinder (5), and the first electromagnetic valve (13) and the second electromagnetic valve (14) are electrically connected with the controller.

10. Felt pretreatment system according to claim 1, characterized in that the weighing means (6) are electronic scales, the weighing means (6) being provided with a bottom plate (15), the paint dipping cylinders (5) being placed on the bottom plate (15).