CN114592291A - Production equipment and production method of elastic conductive coating fabric - Google Patents

Abstract

The invention discloses an elastic conductive coating fabric production device and a production method, which relate to the technical field of conductive fabric production, and comprise a fabric feeding mechanism, a blade coating mechanism, a hot drying mechanism, a cloth collecting mechanism and a transverse stretching mechanism, wherein the fabric feeding mechanism is used for guiding an elastic fabric into the transverse stretching mechanism, the transverse stretching mechanism is used for stretching the elastic fabric in the transverse direction and the vertical direction and sequentially conveying the stretched elastic fabric to the blade coating mechanism, the hot drying mechanism and the cloth collecting mechanism, the blade coating mechanism comprises a coating roller, a scraper positioned right above the coating roller and a first power assembly driving the coating roller to rotate, the hot drying mechanism comprises a lower heating plate, an upper heating plate positioned right above the lower heating plate and a heating device for heating the upper heating plate and the lower heating plate, the production device is reasonable in arrangement, the production method is simple and practical, and the elastic conductive coating fabric which takes the elastic fabric as base cloth can be used for producing different types, the applicability is strong.

Description

A kind of elastic conductive coating fabric production equipment and production method

technical field

The invention relates to the technical field of conductive fabric production, in particular to an elastic conductive coated fabric production equipment and a production method.

Background technique

With the rapid development of wearable smart textiles, conductive fabrics as one of its basic materials have received more and more attention. At present, the production methods of conductive fabrics mainly include: conductive finishing of fabrics, weaving conductive fibers or yarns in fabrics, and multi-layer compounding with conductive materials. Among them, conductive finishing of fabrics has the advantages of simple process and strong adaptability. Such advantages are widely used, and coating fabrics with conductive coatings is one of the main ways to conduct conductive finishing of fabrics. However, at this stage, there are obvious defects in using conductive coating to coat fabrics to prepare conductive fabrics: the elasticity of the conductive coating is low, so the elasticity of the fabric itself is seriously affected after the conductive coating is cured, so that the resulting conductive coated fabric has low elasticity. , and wearable smart textiles need to be worn on the human body, which will deform to a certain extent with the movement of the human body, and the elasticity of the conductive coated fabric is low, on the one hand, it will hinder the movement of the human body and make the human body feel uncomfortable; The larger the movement range, the larger the deformation of the conductive coated fabric will be, and in severe cases, the conductive coating will be broken or damaged, and then the conductive coated fabric will lose its conductivity, resulting in the scrapping of wearable smart textiles.

SUMMARY OF THE INVENTION

In view of the above defects, the purpose of the present invention is to provide an elastic conductive coated fabric production equipment and a production method, aiming at solving the technical problem of low elasticity of the conductive coated fabric in the prior art.

For solving the above-mentioned technical problems, the technical scheme of the present invention is:

An elastic conductive coating fabric production equipment, comprising a fabric feeding mechanism, a blade coating mechanism, a hot drying mechanism, a cloth take-up mechanism, and a transverse stretching mechanism,

The fabric feeding mechanism is used to introduce the elastic fabric into the transverse stretching mechanism, and the transverse stretching mechanism is used to stretch the elastic fabric horizontally and vertically and transport the stretched elastic fabric to the scraping mechanism and the hot drying mechanism in turn. and collection agencies,

The blade coating mechanism includes a coating roller, a doctor blade located just above the coating roller, and a first power component that drives the coating roller to rotate,

The heat drying mechanism includes a lower heating plate, an upper heating plate located just above the lower heating plate, and a heating device for heating the upper heating plate and the lower heating plate.

Preferably, the transverse stretching mechanism includes a left clamping mechanism and a right clamping mechanism arranged symmetrically, and both the left clamping mechanism and the right clamping mechanism include a first belt and a second power assembly for driving the first belt transmission. The first belt The outer side is provided with several clamping components for clamping the two sides of the elastic fabric.

Preferably, the clamping assembly includes an upper clamp plate and a lower clamp plate correspondingly arranged, an elastic mechanism for driving the upper clamp plate and the lower clamp plate to separate is provided between the upper clamp plate and the lower clamp plate, and both the upper clamp plate and the lower clamp plate are slidably arranged on the first belt,

Both the left clamping mechanism and the right clamping mechanism include a casing located outside the first belt, the side of the casing facing the elastic fabric is provided with a second opening, and the other side of the casing is provided with a first opening communicating with the second opening. an opening, the width of the first opening is greater than the width of the second opening, and the upper clamping plate and the lower clamping plate slide in the first opening and the second opening.

Preferably, the first opening and the second opening are communicated through a third opening, and the side surface of the third opening extends from the end of the first opening to the end of the second opening.

Preferably, both the left clamping mechanism and the right clamping mechanism include a stretching section and a conveying section, the stretching section is inclined toward the conveying section and toward the outside of the first belt, and the conveying section is provided with a scraping mechanism and a heat-baking mechanism, The scraping mechanism is set close to the starting point of the conveying section.

Preferably, the fabric feeding mechanism includes a first conveying roller and a second conveying roller with the same height, a third conveying roller located below the first conveying roller is arranged between the first conveying roller and the second conveying roller, and a third conveying roller is provided between the first conveying roller and the second conveying roller. A conveying roller, the second conveying roller and the third conveying roller rotate synchronously and a third power assembly.

Preferably, the cloth take-up mechanism includes a first cloth guide roller and a second cloth guide roller with the same height, and also includes a fourth power component that drives the first cloth guide roller to rotate.

Preferably, the included angle between the stretching section and the conveying section is 10-45 degrees.

Another technical scheme of the present invention is to utilize the production method of elastic conductive coating equipment, comprising the following steps:

S1. The rotation speed of the first cloth guide roller is set to V1 through the third power component, and the elastic fabric is introduced into the fabric feeding mechanism, and the elastic fabric is kept flat during this process;

S2. The elastic fabric passed through the fabric feeding mechanism is introduced into the transverse stretching mechanism, and the transmission speed of the first belt is adjusted through the second power component, so that the clamping components on the left clamping mechanism and the right clamping mechanism move synchronously, and the elastic The two sides of the fabric are introduced into the clamping components, and the clamping components gradually clamp the elastic fabric and stretch it laterally and longitudinally during the movement;

S3. Send the elastic fabric after horizontal and vertical stretching into the scraping mechanism, and scrape the conductive coating on the side of the elastic fabric in contact with the scraper;

S4. The elastic fabric after scraping the conductive coating is sent between the upper heating plate and the lower heating plate of the thermal drying mechanism, and the elastic fabric is thermally dried;

S5. The elastic fabric released by the transverse stretching mechanism is introduced into the cloth collecting mechanism, and under the guidance of the first cloth guide roller and the second cloth guide roller, the elastic fabric is led out

Preferably, in step S2, the sub-velocity of the clamping assembly in the advancing direction of the elastic fabric is set to be 1.05 to 3 times of V1.

After adopting the above-mentioned technical scheme, the beneficial effects of the present invention are:

1. By setting up a transverse stretching mechanism in the present invention, the sub-speed of the clamping component in the forward direction of the elastic fabric is greater than the surface linear speed of the first conveying roller. Due to the asynchronous speed, the elastic fabric will be stretched longitudinally; the left clamping The mechanism and the right clamping mechanism include a stretching section and a conveying section, the stretching section is inclined towards the conveying section and towards the outside of the first belt, and the clamping assembly on the stretching section is towards the outside of the first belt and the conveying direction of the elastic fabric When tilting, the elastic fabric will be stretched in the transverse direction, so that the elastic fabric will be stretched in the transverse and longitudinal directions at the same time when it moves on the transverse stretching mechanism, so that the elastic fabric will be stretched more uniformly.

2. By setting the scraper coating mechanism at the starting point of the conveying section in the present invention, the elastic fabric can enter the scraper coating mechanism to spray the surface conductive coating under the condition that its tensile state is stable, so as to improve the scraping coating of the conductive coating. quality and improve the elasticity of conductive coated fabrics.

3. By setting a hot drying mechanism in the present invention, the hot drying mechanism dries the conductive coating fabric after scraping, so that the conductive coating is cured on the surface of the elastic fabric in a stretched state, which ensures the production quality. When the elastic conductive coated fabric reaches this stretched state, the conductive coating will not be broken or damaged, thereby ensuring the electrical conductivity of the elastic conductive coated fabric, and at the same time, it also avoids the conductive coating caused by the low elasticity of the conductive coating. The problem of lower fabric elasticity improves the quality of conductive coated fabrics.

4. In the present invention, the upper splint, the lower splint, the elastic mechanism, and the first opening and the second opening are provided on the housing, and the width of the first opening is greater than the width of the second opening, so that the clamping assembly follows the first opening and the second opening. When a belt moves to the inward side, the clamping assembly moves in the second opening, the upper clamping plate and the lower clamping plate are close to each other, and clamp the elastic fabric. When the elastic fabric is transported to the scraping mechanism, the clamping assembly enters the first In the opening, the upper splint and the lower splint are separated under the action of the elastic mechanism, and the elastic fabric is loosened, so that the elastic fabric is clamped and released quickly, and the elastic fabric is prevented from being pulled when it leaves the transverse stretching mechanism, and the quality of the elastic fabric is improved.

5. The production equipment of the present invention is reasonably set up, and the production method is simple and practical, and can be used to produce different types of elastic conductive coated fabrics with elastic fabrics as base fabrics, and has strong applicability.

Description of drawings

1 is a schematic structural diagram and a partial enlarged view of Embodiment 1 of the present invention;

FIG. 2 is a schematic structural diagram and a partial enlarged view of the left clamping mechanism in FIG. 1;

FIG. 3 is a schematic structural diagram and a partial enlarged view of the left clamping mechanism moving away from the casing in FIG. 1;

Fig. 4 is the structural schematic diagram of the clamping assembly in Fig. 2;

FIG. 5 is a working process diagram of Embodiment 1 of the present invention.

In the figure, 1-fabric feeding mechanism, 10-first conveying roller, 11-second conveying roller, 12-third conveying roller, 13-second belt, 14-third belt, 15-third motor, 2 -Blade coating mechanism, 20-coating roller, 21-scraper, 3-hot drying mechanism, 30-lower heating plate, 31-upper heating plate, 4-clothing mechanism, 40-first cloth guide roller, 41-first Two cloth guide rollers, 42- the fourth motor, 5- transverse stretching mechanism, 50- left clamping mechanism, 500- the first belt, 501- drive gear column, 502- the second motor, 503- tooth surface, 504- Mounting block, 505-T-shaped chute, 506-stretching section, 507-conveying section, 508-driven gear column, 51-right clamping mechanism, 52-clamping assembly, 520-upper clamping plate, 521-lower clamping plate , 522-compression spring, 523-ball, 53-shell, 530-second opening, 531-first opening, 532-third opening, 533-upper shell, 534-lower shell, 535-stud , 6-elastic fabric.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

The orientations involved in this specification are all based on the orientation of the elastic conductive coated fabric production equipment and production method of the present invention during normal operation, and do not limit the orientation during storage and transportation. They only represent relative positional relationships and do not represent absolute positional relationship.

Example 1:

As shown in Figures 1 to 5, an elastic conductive coating fabric production equipment includes a fabric feeding mechanism 1, a scraping mechanism 2, a hot drying mechanism 3, a cloth take-up mechanism 4, and a transverse stretching mechanism 5. The coating mechanism 2 includes a coating roller 20, a scraper 21 located just above the coating roller 20, and a first power component that drives the coating roller 20 to rotate. The first power component used in this embodiment is the first motor (in the figure). (not shown), the heating mechanism 3 includes a lower heating plate 30, an upper heating plate 31 located directly above the lower heating plate 30, and a heating device for heating the upper heating plate 31 and the lower heating plate 30, the upper heating plate 31 and the The length of the coating roller 20 is the same. The heating device used in this embodiment is a PTC heater. The transverse stretching mechanism 5 includes a left clamping mechanism 50 and a right clamping mechanism 51. The left clamping mechanism 50 and the right clamping structure are symmetrical Arrangement, the left clamping mechanism 50 and the right clamping mechanism 51 both include a first belt 500 and a second power assembly that drives the first belt 500 to drive. The driving gear column 501 and the driven gear column 508 also include a second motor 502 that drives the driving gear column 501 to rotate. The inner side of the first belt 500 is provided with a tooth surface 503. The driving gear column 501 and the driven gear column 508 are connected to the tooth surface. 503 are engaged, and the outer side of the first belt 500 is provided with a number of clamping assemblies 52 for clamping the two sides of the elastic fabric 6. The clamping assemblies 52 include corresponding upper clamping plates 520 and lower clamping plates 521. The upper clamping plate 520 There is an elastic mechanism between the upper and lower clamping plates 521 to drive the separation of the upper clamping plate 520 and the lower clamping plate 521. The elastic mechanism used in this embodiment is a compression spring 522, and the two ends of the compression spring 522 are respectively fixed to the upper clamping plate 520 and the lower clamping plate 521. The first belt 500 is fixedly connected with a plurality of installation blocks 504 , the installation blocks 504 are provided with T-shaped chute 505 , and the upper clamp plate 520 or the lower clamp plate 521 is slidably installed in the T-shaped chute 505 .

The left clamping mechanism 50 and the right clamping mechanism 51 both include a stretching section 506 and a conveying section 507. The stretching section 506 is inclined toward the conveying section 507 and toward the outside of the first belt 500. Preferably, the stretching section 506 and the conveying section 507 are inclined. The included angle is 10-45 degrees, and the lengths of the stretching section 506 and the conveying section 507 are the same.

When in use, the elastic fabric 6 is conveyed to the transverse stretching mechanism 5 through the fabric feeding mechanism 1. By setting the clamping assembly 52 in the forward direction of the elastic fabric 6, the sub-speed is greater than the surface linear speed of the first conveying roller 10, because the speed is not synchronized. , the elastic fabric 6 will be subjected to longitudinal stretching; the setting of the inclined stretching section 506 makes the elastic fabric 6 subject to transverse stretching, and the elastic fabric 6 will enter the conveying section after being stretched by the stretching section 506 of the transverse stretching mechanism 5 507, convey to the scraping mechanism 2 and the conveying mechanism, the scraper 21 on the scraping mechanism 2 scrapes the surface of the elastic fabric 6 passing through the scraping mechanism 2, and the upper heating plate 31 and the lower heating plate on the hot drying mechanism 3 are heated. The plate 30 dries the conductive coating applied to the elastic fabric 6 by scraping, and the cloth take-up mechanism 4 leads out the dried elastic fabric 6 .

Both the left clamping mechanism 50 and the right clamping mechanism 51 include a casing 53 located outside the first belt 500 , the casing 53 is provided with a second opening 530 on one side facing the elastic fabric 6 , and the other side of the casing 53 is provided with a second opening 530 . The first opening 531 communicated with the second opening 530, the width of the first opening 531 is greater than the width of the second opening 530, the upper clamping plate 520 and the lower clamping plate 521 slide in the first opening 531 and the second opening 530, the first opening 531 The second opening 530 communicates with the second opening 530 through the third opening 532. The third opening 532 can be set as an inclined surface or an arc surface, which plays a role in transitioning the first opening 531 and the second opening 530. The upper clamp plate 520 and the lower clamp plate 521 A ball 523 is installed on the opposite sides of the ball 523. Preferably, the height of the ball 523 protruding from the opposite side is one third of the diameter of the ball 523. In this embodiment, the casing 53 includes an upper casing 533 and a lower casing 534. , the first belt 500 is provided with a stud 535, and the upper shell 533 and the lower shell 534 are detachably connected through the stud 535. When in use, when the clamping assembly 52 moves to the inward side with the first belt 500, The clamping assembly 52 moves in the second opening 530 , the upper clamping plate 520 and the lower clamping plate 521 are close to each other, and clamp the elastic fabric 6 . When the elastic fabric 6 is transported to the scraping mechanism 2 , the clamping assembly 52 enters the first opening 531 , the upper splint 520 and the lower splint 521 are separated under the action of the compression spring 522, the elastic fabric 6 is released, the clamping assembly 52 moves from the first opening 531 to the second opening 530 with the first belt 500, and continues to compress the elastic fabric 6 When clamping and conveying, when the clamping assembly 52 moves, the balls on the upper clamping plate 520 and the lower clamping plate 521 contact the surfaces of the second opening 530 and the first opening 531 successively, reducing friction when the clamping assembly 52 moves.

Preferably, the conveying section 507 is provided with a scraping mechanism 2 and a hot drying mechanism 3, and the scraping mechanism 2 is arranged close to the starting point of the transporting section 507. When in use, the elastic fabric 6 enters the scraping mechanism under the condition that its stretching state is stable. 2. Spray the surface conductive coating to improve the scraping quality of the conductive coating and improve the elasticity of the conductive coating fabric.

The fabric feeding mechanism 1 includes a first conveying roller 10 and a second conveying roller 11 with the same height, and a third conveying roller located below the first conveying roller 10 is arranged between the first conveying roller 10 and the second conveying roller 11 12, and also includes a third power assembly that drives the first conveying roller 10, the second conveying roller 11 and the third conveying roller 12 to rotate synchronously. In this embodiment, the third power assembly includes the first conveying roller 10 and the third conveying roller. 12 a second belt 13 that is drivingly connected, a third belt 14 that is drivingly connected to the second conveying roller 11 and the third conveying roller 12 , and a third motor 15 that drives the third conveying roller 12 to rotate.

Preferably, the cloth take-up mechanism 4 includes a first cloth guide roller 40 and a second cloth guide roller 41 arranged at intervals, the distance between the first cloth guide roller 40 and the second cloth guide roller 41 and the ground is the same, and also includes driving the first cloth guide roller 40 and the second cloth guide roller 41. The fourth power component for the rotation of the cloth roller 40, the power component used in this embodiment is the fourth motor 42 for driving the first cloth guide roller 40 to rotate.

Embodiment 2:

As shown in Fig. 1 to Fig. 5 together, a method for producing elastic conductive coated fabric includes the following steps:

S1. The rotation speed of the first cloth guide roller 40 is set to V1 by the third power assembly, and the elastic fabric 6 is introduced into the fabric feeding mechanism 1, and the elastic fabric 6 is kept flat during this process;

S2. The elastic fabric 6 passing through the fabric feeding mechanism 1 is introduced into the transverse stretching mechanism 5, and the transmission speed of the first belt 500 is adjusted by the second power assembly, so that the clamping mechanism on the left clamping mechanism 50 and the right clamping mechanism 51 is clamped. The assembly 52 moves synchronously, and the selvedge of the elastic fabric 6 is introduced into the clamping assembly 52, and the clamping assembly 52 gradually clamps the elastic fabric 6 and stretches the elastic fabric 6 laterally and longitudinally during the movement;

S3. Send the elastic fabric 6 after transverse and longitudinal stretching into the scraping mechanism 2, and scrape the conductive coating on the side of the elastic fabric 6 in contact with the scraper 21;

S4. The elastic fabric 6 after scraping the conductive coating is sent between the upper heating plate 31 and the lower heating plate 30 of the thermal drying mechanism 3, and the elastic fabric 6 is thermally baked;

S5. Introduce the elastic fabric 6 released by the transverse stretching mechanism 5 into the cloth collecting mechanism 4. Under the guidance of the first cloth guide roller 40 and the second cloth guide roller 41, the elastic fabric 6 is led out

Preferably, in step S2, the sub-velocity of the clamping assembly 52 in the advancing direction of the elastic fabric 6 is set to be 1.05 to 3 times V1.

The present invention is not limited to the above-mentioned specific embodiments, and various transformations made by those of ordinary skill in the art from the above-mentioned concept without creative work all fall within the protection scope of the present invention.

Claims (10)

1. An elastic conductive coating fabric production device is characterized by comprising a fabric feeding mechanism, a blade coating mechanism, a hot drying mechanism, a cloth collecting mechanism and a transverse stretching mechanism,

the fabric feeding mechanism is used for guiding the elastic fabric into the transverse stretching mechanism, the transverse stretching mechanism is used for stretching the elastic fabric in the transverse direction and the vertical direction and conveying the stretched elastic fabric to the blade coating mechanism, the hot drying mechanism and the fabric collecting mechanism in sequence,

the blade coating mechanism comprises a coating roller, a scraper blade positioned right above the coating roller and a first power assembly for driving the coating roller to rotate,

the hot drying mechanism comprises a lower heating plate, an upper heating plate positioned right above the lower heating plate and a heating device used for heating the upper heating plate and the lower heating plate.

2. The production equipment of the elastic conductive coated fabric as claimed in claim 1, wherein the transverse stretching mechanism comprises a left clamping mechanism and a right clamping mechanism which are symmetrically arranged, the left clamping mechanism and the right clamping mechanism respectively comprise a first belt and a second power assembly for driving the first belt to transmit, and a plurality of clamping assemblies for clamping two side edges of the elastic fabric are arranged on the outer side of the first belt.

3. The production equipment of elastic conductive coated fabric as claimed in claim 2, wherein said clamping assembly comprises an upper clamping plate and a lower clamping plate which are correspondingly arranged, an elastic mechanism for driving said upper clamping plate and said lower clamping plate to separate is arranged between said upper clamping plate and said lower clamping plate, said upper clamping plate and said lower clamping plate are both slidably arranged on said first belt,

left side fixture with right side fixture is all including being located the outside casing of first belt, the casing orientation one side of elastic fabric is equipped with the second opening, the opposite side of casing be equipped with the first opening of second opening intercommunication, first open-ended width is greater than second open-ended width, the punch holder with the lower plate is in first opening with slide in the second opening.

4. An elastic conductive coated fabric production apparatus as claimed in claim 3, wherein said first opening and said second opening communicate through a third opening, a side of said third opening extending from an end of said first opening to an end of said second opening.

5. The apparatus of claim 4, wherein the clamping assembly comprises a stretching section and a conveying section, the stretching section is inclined toward the conveying section and toward the outer side of the first belt, the conveying section is provided with the blade coating mechanism and the hot baking mechanism, and the blade coating mechanism is arranged close to the starting point of the conveying section.

6. The apparatus for producing an elastic conductive coated fabric according to claim 1, wherein the fabric feeding mechanism comprises a first feeding roller and a second feeding roller having the same height, a third feeding roller disposed below the first feeding roller is disposed between the first feeding roller and the second feeding roller, and a third power assembly for driving the first feeding roller, the second feeding roller and the third feeding roller to rotate synchronously.

7. The apparatus for producing an elastic conductive coated fabric according to claim 1, wherein the cloth collecting mechanism comprises a first cloth guide roller and a second cloth guide roller which have the same height, and further comprises a fourth power assembly for driving the first cloth guide roller to rotate.

8. The production equipment of the elastic conductive coated fabric as claimed in claim 5, wherein the included angle between the stretching section and the conveying section is 10-45 degrees.

9. A method for producing an elastic conductive coated fabric, using an elastic conductive coated fabric production apparatus according to any one of claims 1 to 8, comprising the steps of:

s1, setting the rotating speed of the first cloth guide roller to be V1 through the third power assembly, guiding the elastic fabric into the fabric feeding mechanism, and keeping the elastic fabric flat in the process;

s2, introducing the elastic fabric passing through the fabric feeding mechanism into the transverse stretching mechanism, adjusting the transmission speed of the first belt through the second power assembly, enabling the clamping assemblies on the left clamping mechanism and the right clamping mechanism to move synchronously, introducing the two side edges of the elastic fabric into the clamping assemblies, and gradually clamping the elastic fabric by the clamping assemblies in the moving process and stretching the elastic fabric transversely and longitudinally;

s3, feeding the elastic fabric subjected to transverse and longitudinal stretching into the blade coating mechanism, and blade coating a conductive coating on one surface of the elastic fabric, which is in contact with the scraper;

s4, feeding the elastic fabric coated with the conductive coating in a scraping mode between the upper heating plate and the lower heating plate of the heat drying mechanism, and performing heat drying on the elastic fabric;

and S5, guiding the elastic fabric released by the transverse stretching mechanism into the cloth collecting mechanism, and guiding the elastic fabric out under the guide of the first cloth guide roller and the second cloth guide roller.

10. The method of claim 9, wherein in step S2, the speed of the clamping assembly in the advancing direction of the elastic fabric is set to 1.05 to 3 times V1.

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