阅读说明：本技术 一种网片拉伸定型装置和方法 (Mesh stretching and shaping device and method ) 是由 周家德 苏东晓 王康 吕素真 张旋宇 于 2019-10-29 设计创作，主要内容包括：本发明实施例公开一种网片拉伸定型装置和方法,包括进料辊、出料辊、上压辊带、下压辊带、加热箱体、导向辊和收卷辊,进料辊包括进料辊一和进料辊二,出料辊包括出料辊一和出料辊二,上压辊带的两端套在进料辊一和出料辊一上,下压辊带的两端套在进料辊二和出料辊二上,上压辊带上均匀设有钩针,网片的幅面两端放置在上压辊带的钩针和下压辊带之间,进料辊一和进料辊二长度相等,出料辊一和出料辊二长度相等,出料辊一的长度大于进料辊一的长度,导向辊位于出料辊二的上端,收卷辊位于导向辊的后端,上压辊带和下辊压带穿过加热箱体,本发明设备体积小,能耗低,生产效率高,生产成本低。(The embodiment of the invention discloses a mesh sheet stretching and shaping device and a mesh sheet stretching and shaping method, which comprise a feed roller, a discharge roller, an upper press roller belt, a lower press roller belt, a heating box body, a guide roller and a wind-up roller, wherein the feed roller comprises a feed roller I and a feed roller II, the discharge roller comprises a discharge roller I and a discharge roller II, two ends of the upper press roller belt are sleeved on the feed roller I and the discharge roller I, two ends of the lower press roller belt are sleeved on the feed roller II and the discharge roller II, hook needles are uniformly arranged on the upper press roller belt, two ends of the breadth of a mesh sheet are arranged between the hook needles of the upper press roller belt and the lower press roller belt, the feed roller I and the feed roller II are equal in length, the discharge roller I and the discharge roller II are equal in length, the length of the discharge roller I is larger than that of the feed roller I, the guide roller is arranged at the upper end of the discharge roller II, the wind-up roller is arranged at the rear end of, low energy consumption, high production efficiency and low production cost.)

1. The utility model provides a tensile setting device of net piece, a serial communication port, including the feed roller, the discharge roller, go up the compression roller area, lower compression roller area, the heating box, guide roll and wind-up roll, the feed roller includes feed roller one and feed roller two, the discharge roller includes discharge roller one and discharge roller two, the both ends cover of going up the compression roller area is on feed roller one and discharge roller one, the both ends cover of lower compression roller area is on feed roller two and discharge roller two, evenly be equipped with the crochet hook on going up the compression roller area, the breadth both ends of net piece are placed between the crochet hook of last compression roller area and lower compression roller area, feed roller one and feed roller two length equal, discharge roller one and discharge roller two length equal, the length of discharge roller one is greater than the length of feed roller one, the guide roll is located the upper end of discharge roller two, the wind-up roll is located the rear end of guide roll, go up compression roller area and lower compression roller area and pass the heating box.

2. The web stretch-forming apparatus of claim 1, wherein the upper nip roll has a length less than the length of the lower nip roll, 2 auxiliary rolls are provided between the second feed roll and the second discharge roll, the two auxiliary rolls are located directly below the first feed roll and the first discharge roll, respectively, and the heating box is located between the two auxiliary rolls.

3. The mesh sheet stretching and setting device according to claim 2, wherein the guide rollers comprise a first guide roller, a second guide roller and a third guide roller, the first guide roller is positioned right above the second discharge roller and is parallel to the first discharge roller, the second guide roller is positioned right above the first guide roller, the third guide roller is parallel to the second winding roller and is positioned above the second guide roller, the first guide roller, the second guide roller and the winding roller are positioned on the same side of the heating box body, and the third guide roller is positioned on the other side of the heating box body.

4. The mesh sheet stretching and setting device as claimed in claim 1, wherein the top and the bottom of the inner side of the heating box body are respectively provided with a heat source, the temperature in the heating box body is 50 ℃ to 120 ℃, and the length of the heating box body is 5m to 30 m.

5. The mesh sheet stretching and setting device according to claim 4, wherein the top of the inside of the heating box body is heated by infrared rays, and the bottom of the inside of the heating box body is heated by steam.

6. The stretching and setting device for the net sheet according to claim 1, wherein the upper press roll belt and the lower press roll belt are respectively provided with 2 symmetrical belts, the first feeding roll has a length equal to the initial width of the net sheet, the initial width of the net sheet is 1-10 m, the first discharging roll has a stretched width equal to the stretched width of the net sheet, and the stretched width of the net sheet is 4-15 m.

7. The web stretching and setting device of claim 1, wherein the first feeding roller and the second feeding roller have the same speed, the first discharging roller, the second discharging roller and the guide roller have the same speed, the first discharging roller has a speed greater than that of the first feeding roller, the first feeding roller has a speed of 0.5-25 m/min, and the first discharging roller has a speed of 1.5-50 m/min.

8. The web stretch-forming device of claim 1, wherein the upper and lower nip rolls are configured as circular arcs between the first feed roll and the first discharge roll, and the tangent to the circular arcs has a smaller angle with the horizontal plane in the feeding direction.

9. The mesh sheet stretching and setting device as claimed in claim 8, wherein the upper and lower nip roll belts are made of high elastomer fabric, the lower nip roll belt is uniformly provided with knotting devices, and the knotting devices are the hair surface of a magic tape;

furthermore, a baffle with one arc side is arranged on the outer side surfaces of the upper compression roller belt and the lower compression roller belt.

10. The mesh stretching and setting method is characterized by comprising the following steps:

the two ends of the net piece respectively enter the crochet hook and the band knot device of the upper compression roller band and the lower compression roller band, the net piece is brought into the heating box body, the speed of the feeding roller and the speed of the discharging roller are controlled, the net piece gradually becomes wider along with the movement of the upper compression roller band and the lower compression roller band, after the net piece enters the guide roller, the net piece is shifted to the upper part of the heating box body to continue heating, and finally, the net piece enters the winding roller to complete winding.

Technical Field

The invention relates to the technical field of mesh production, in particular to a mesh stretching and shaping device and method.

Background

In recent years, as the price of high-performance synthetic fibers has decreased, manufacturers of fishing nets, safety nets and other net products have begun to use high-performance fibers such as ultrahigh molecular weight polyethylene fibers and aramid fibers in large quantities. The high-performance fiber has great differences in properties such as elongation at break, high temperature resistance, surface smoothness and the like, and the manufactured net sheets have nodes which are easy to slide, so that the structure of the net tool is not fixed and is easy to deform, and the using effect of the net tool is directly influenced. Manufacturers choose to respectively carry out stretching and heat setting treatment in the warp direction and the weft direction after manufacturing the net sheets so as to enhance the knot fastness of the net, for example, a method for setting the nylon fishing net sheets disclosed in the Chinese patent with the publication number of CN 106337256B. However, the two-stage stretching and heat-setting treatment equipment can increase the volume and energy consumption of the equipment, and increase the occupied area, the equipment cost and the production cost.

Disclosure of Invention

In view of this, the embodiment of the invention provides a mesh stretching and setting device and method, which solve the problems of large equipment volume, high energy consumption, low production efficiency and high production cost in the current mesh production.

The embodiment of the invention discloses a mesh sheet stretching and shaping device which comprises a feeding roller, a discharging roller, an upper pressing roller belt, a lower pressing roller belt, a heating box body, a guide roller and a winding roller, wherein the feeding roller comprises a feeding roller I and a feeding roller II, the discharging roller comprises a discharging roller I and a discharging roller II, two ends of the upper pressing roller belt are sleeved on the feeding roller I and the discharging roller I, two ends of the lower pressing roller belt are sleeved on the feeding roller II and the discharging roller II, hook needles are uniformly arranged on the upper pressing roller belt, two ends of the breadth of a mesh sheet are placed between the hook needles of the upper pressing roller belt and the lower pressing roller belt, the lengths of the feeding roller I and the feeding roller II are equal, the lengths of the discharging roller I and the discharging roller II are equal, the length of the feeding roller I is larger than that of the feeding roller I, the guide roller is positioned at the upper end of the discharging roller II, the winding roller is positioned at the rear end of the guide roller.

In one embodiment of the invention, the length of the upper compression roller belt is smaller than that of the lower compression roller belt, 2 auxiliary rollers are arranged between the second feeding roller and the second discharging roller, the two auxiliary rollers are respectively positioned right below the first feeding roller and the first discharging roller, and the heating box body is positioned between the two auxiliary rollers.

In an embodiment of the invention, the guide roller comprises a first guide roller, a second guide roller and a third guide roller, the first guide roller is positioned right above the second discharge roller and is parallel to the first discharge roller, the second guide roller is positioned right above the first guide roller, the third guide roller is parallel to the winding roller and is positioned above the second guide roller, the first guide roller, the second guide roller and the winding roller are positioned on the same side of the heating box body, and the third guide roller is positioned on the other side of the heating box body.

In one embodiment of the invention, the top and the bottom of the inner side of the heating box body are respectively provided with a heat source, the temperature in the heating box body is 50-120 ℃, and the length of the heating box body is 5-30 meters.

In an embodiment of the invention, the top of the inner side of the heating box body is heated by infrared rays, and the bottom of the inner side of the heating box body is heated by steam.

In one embodiment of the invention, the upper compression roller belt and the lower compression roller belt are respectively provided with 2 symmetrical belts, the length of the feeding roller I is equal to the initial width of the mesh, the initial width of the mesh is 1-10 m, the stretched width of the discharging roller I is equal to that of the mesh, and the stretched width of the mesh is 4-15 m.

In an embodiment of the invention, the first feed roller and the second feed roller have the same speed, the first discharge roller, the second discharge roller and the guide roller have the same speed, the first discharge roller has a speed greater than that of the first feed roller, the first feed roller has a speed of 0.5-25 m/min, and the first discharge roller has a speed of 1.5-50 m/min.

In one embodiment of the invention, the upper compression roller belt and the lower compression roller belt are in the shape of a circular arc between the feeding roller I and the discharging roller I, and the included angle between the tangent line of the circular arc and the horizontal plane is smaller and smaller from the feeding direction.

Further, the upper compression roller belt and the lower compression roller belt are made of high-elasticity fabrics;

in an embodiment of the invention, a baffle with one arc-shaped side is arranged on the outer side surfaces of the upper pressure roller belt and the lower pressure roller belt.

On the other hand, the invention also discloses a mesh stretching and setting method, which comprises the following steps:

the two ends of the net piece respectively enter the crochet hook and the band knot device of the upper compression roller band and the lower compression roller band, the net piece is brought into the heating box body, the speed of the feeding roller and the speed of the discharging roller are controlled, the net piece gradually becomes wider along with the movement of the upper compression roller band and the lower compression roller band, after the net piece enters the guide roller, the net piece is shifted to the upper part of the heating box body to continue heating, and finally, the net piece enters the winding roller to complete winding.

The invention has the following beneficial effects:

the embodiment of the invention realizes the stretching of the mesh sheet in the horizontal direction and the vertical direction at one time through the upper compression roller belt and the lower compression roller belt, and compared with the prior stretching in two stages, the embodiment of the invention reduces stretching equipment, reduces the occupied area of the equipment and improves the production efficiency;

the embodiment of the invention controls the shapes of the upper compression roller belt and the lower compression roller belt, so that the mesh sheet is uniformly stretched during stretching, the mesh bonding fastness is high, and the stretching effect is good.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention.

FIG. 2 is a partial top view of an embodiment of the present invention.

FIG. 3 is a schematic view of an upper roll belt according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in the figures, the embodiment of the invention discloses a mesh sheet stretching and setting device, which comprises a feeding roller, a discharging roller, an upper pressing roller belt 11, a lower pressing roller belt 12, a heating box body 5, a guide roller and a winding roller 10, wherein the feeding roller comprises a feeding roller I1 and a feeding roller II 13, the discharging roller comprises a discharging roller I9 and a discharging roller II 14, two ends of the upper pressing roller belt 11 are sleeved on the feeding roller I1 and the discharging roller I9, two ends of the lower pressing roller belt 12 are sleeved on the feeding roller II 13 and the discharging roller II 14, hook needles 2 are uniformly arranged on the upper pressing roller belt 11, a knot device 7 is uniformly arranged on the lower pressing roller belt 12, the hook needles 2 and the knot device 7 are hook hairs of a magic tape, the knot device can be replaced by other parts, and only friction force needs to be increased, so long as to play a role in driving a mesh sheet to move. The two ends of the breadth of the net piece 6 are placed between the crochet hook 2 of the upper compression roller belt and the lower compression roller belt, the first feeding roller 1 and the second feeding roller 13 are equal in length, the first discharging roller 9 and the second discharging roller 14 are equal in length, the first discharging roller 9 is longer than the first feeding roller 1, if the CD length in the figure 2 is longer than the AB length, the guide roller is located at the upper end of the second discharging roller 14, the winding roller 10 is located at the rear end of the guide roller, the upper compression roller belt 11 and the lower compression roller belt 12 penetrate through the heating box body 5, the heating box body is used for heating the net piece, and the net piece is conveniently stretched.

Because the length of the first discharging roller 9 is greater than that of the first feeding roller 1, the stretching of the net piece in the horizontal direction and the vertical direction can be realized at one time only by controlling the speeds of the discharging roller and the feeding roller.

In an embodiment of the invention, the length of the upper compression roller belt 11 is smaller than that of the lower compression roller belt 12, 2 auxiliary rollers 15 are arranged between the second feeding roller 13 and the second discharging roller 14, the two auxiliary rollers 15 are respectively positioned right below the first feeding roller 1 and the first discharging roller 9, and the heating box body 5 is positioned between the two auxiliary rollers 15.

The lower press roll belt 12 is longer than the upper press roll belt 11, which is beneficial to driving the net sheet to the guide roll, and the auxiliary roll 15 is beneficial to taking off the net hook needle sheet.

In an embodiment of the invention, the guide roller comprises a first guide roller 16, a second guide roller 17 and a third guide roller 3, the first guide roller 16 is positioned right above the second discharge roller 14 and is parallel to the first discharge roller 9, the second guide roller 17 is positioned right above the first guide roller 16, the third guide roller 3 is parallel to the second take-up roller 10 and is positioned above the second guide roller 17, the first guide roller 16, the second guide roller 17 and the second take-up roller 10 are positioned on the same side of the heating box 5, and the third guide roller is positioned on the other side of the heating box 5.

The net piece encircles many times on the guide roll, and simultaneously and the feed roll two of below are located same heating box, save the area, reuse heat energy simultaneously. The guide roll can be used for further stretching the mesh sheet and can be suitable for different mesh sheet stretching and shaping requirements.

In one embodiment of the invention, the top and the bottom of the inner side of the heating box body 5 are respectively provided with a heat source, the temperature in the heating box body is 50-120 ℃, and the length of the heating box body is 5-30 meters.

In one embodiment of the present invention, the top of the inside of the heating box is heated by infrared rays, as shown by reference numeral 4, and the bottom of the inside of the heating box is heated by steam, as shown by reference numeral 8.

In an embodiment of the invention, the number of the upper press roll belts 11 and the number of the lower press roll belts 12 are 2 and symmetrical, the length of the feeding roll I1 is equal to the initial width of the mesh sheet, the initial width of the mesh sheet 6 is 1-10 m, the width of the discharging roll I9 after stretching is equal to the width of the mesh sheet 6, and the width of the mesh sheet 6 after stretching is 4-15 m.

In an embodiment of the invention, the first feed roller and the second feed roller have the same speed, the first discharge roller, the second discharge roller and the guide roller have the same speed, the first discharge roller has a speed greater than that of the first feed roller, the first feed roller has a speed of 0.5-25 m/min, and the first discharge roller has a speed of 1.5-50 m/min.

In an embodiment of the invention, the upper press roll belt 11 and the lower press roll belt 12 are in the shape of a circular arc between the first feeding roll and the first discharging roll, and the included angle between the tangent line of the circular arc and the horizontal plane is smaller and smaller from the feeding direction. The circular arc shape is beneficial to realizing uniform stretching when the net sheet is stretched, improving the stretching quality and having high net knot fastness.

Further, the upper compression roller belt and the lower compression roller belt are made of high-elasticity fabrics; when entering the discharging roller, the roller deforms. And the net piece has large elasticity at higher temperature, which is beneficial to stretching the net piece.

In an embodiment of the present invention, a baffle 16 having an arc shape at one side is disposed on the outer side surfaces of the upper and lower nip roll belts, so that the arc shapes of the upper and lower nip roll belts can be controlled.

On the other hand, the invention also discloses a mesh stretching and setting method, which comprises the following steps:

the two ends of the net piece respectively enter the crochet hook and the band knot device of the upper compression roller band and the lower compression roller band, the net piece is brought into the heating box body, the speed of the feeding roller and the speed of the discharging roller are controlled, the net piece gradually becomes wider along with the movement of the upper compression roller band and the lower compression roller band, after the net piece enters the guide roller, the net piece is shifted to the upper part of the heating box body to continue heating, and finally, the net piece enters the winding roller to complete winding.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and the like that are within the spirit and principle of the present invention are included in the present invention.