Knitted fabric cutting equipment and technology

Abstract

The invention relates to the technical field of knitted fabric cutting equipment, in particular to knitted fabric cutting equipment and a knitted fabric cutting process. The knitted fabric cutting equipment comprises a machine table, opening and closing screws are rotatably inserted into the two ends of the machine table, transverse moving plates are slidably connected to the two sides of the opening and closing screws, clamping assemblies are connected to the inner sides of the transverse moving plates, and first telescopic grooves are formed in the bottoms of the clamping assemblies; a first pressing plate is elastically connected into the first telescopic groove, second rolling wheels are arranged on the two sides of the bottom of the first pressing plate, a second telescopic groove is formed in the middle of the bottom of the first pressing plate, a second pressing plate is elastically connected into the second telescopic groove, and anti-skid lines are arranged in the middle of the bottom of the second pressing plate; the knitted fabric cutting equipment and process have the beneficial effects that a fabric roll is arranged on a placement roller arranged at one end of a machine table in a sleeving mode, then a rotary knob is screwed according to the width of fabric, the rotary knob drives an opening and closing screw rod to rotate, the distance between transverse moving plates on the opening and closing screw rod is adjusted, and then the fabric roll is cut; the transverse moving plate inner side clamping assembly can be arranged on the edge of the fabric.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of knitted fabric cutting equipment, in particular to a knitted fabric cutting equipment and process. BACKGROUND

[0002] The knitted fabric cutting equipment is mainly used for cutting the fabric. After the entire fabric is laid flat on the top of the conveying table, the fabric is cut into the desired shape by the control device. The degree of automation is high, and multiple layers of fabric can be cut at the same time to improve work efficiency.

[0003] However, in the field of knitted fabric cutting, the traditional cutting operation method has certain limitations. In the conventional operation, the worker needs to manually lay the fabric on the conveying table, and then start the cutting device for the cutting process. However, in this process, the cutting device is in contact with the fabric and continuously moves back and forth. The cutting device widely used on the market has obvious deficiencies in positioning knitted fabric.

[0004] Due to the lack of precise and effective positioning function, the fabric is easily affected by the force of the cutting device during the cutting process, and then deviates. At the same time, the characteristics of the fabric itself and the stress during cutting can also cause wrinkles. Once the fabric deviates or wrinkles, the subsequent cutting operation will be difficult to accurately follow the preset size and shape, resulting in cutting deviation. This deviation not only affects the quality of the cutting product, but also may cause the subsequent process to be difficult to smoothly connect, thereby affecting the efficiency and product quality stability of the entire production process, which is difficult to meet the urgent needs of modern textile production for high-precision and high-efficiency cutting process. SUMMARY

[0005] The purpose of the present application is to provide a knitted fabric cutting equipment and process to solve the problems raised in the background.

[0006] To achieve the above purpose, the present application provides the following technical scheme: a machine table, two ends of the machine table are rotatably connected with opening and closing screws, the two sides of the opening and closing screws are slidably connected with horizontal moving plates, the inner side of the horizontal moving plates is connected with a clamping assembly, the bottom of the clamping assembly is provided with a first expansion slot, a first pressing plate is elastically connected in the first expansion slot, second rollers are arranged on the bottom of the two sides of the first pressing plate, a second expansion slot is arranged in the middle of the bottom of the first pressing plate, a second pressing plate is elastically connected in the second expansion slot, and anti-slip lines are arranged on the middle of the bottom of the second pressing plate.

[0007] Preferably, one end of the machine table is provided with a placing roller, and the fabric roll can be sleeved on the placing roller. The opening and closing screws are oppositely threaded, and the middle of the opening and closing screws is provided with a knob. Twisting the knob can drive the two groups of horizontal moving plates slidably connected to the opening and closing screws to move.

[0008] Preferably, one end of the transverse plate is provided with a first lead screw motor, the end of the first lead screw motor is inserted with a first lead screw, the first lead screw is inserted into the middle of the transverse plate, the first lead screw is slidably connected with a moving frame, the middle of the moving frame is disconnected, the inner side of the disconnected moving frame is provided with a telescopic block, the other side is provided with a telescopic slot, and the telescopic block is inserted into the telescopic slot to connect the disconnected moving frame.

[0009] Preferably, one side of the top of the moving frame is provided with a second lead screw motor, the end of the second lead screw motor is inserted with a second lead screw, the second lead screw is inserted into the middle of the moving frame, the moving frame is provided with a through hole at the other end of the second lead screw, the end of the second lead screw is inserted into the through hole of the moving frame, the moving frame is slidably connected with a sliding block, the bottom of the sliding block is connected with an air cylinder, the bottom of the air cylinder is inserted with a telescopic rod, and the bottom of the telescopic rod is connected with a cutting tool.

[0010] Preferably, the clamping assembly is arranged on the inner side of the transverse plate, the first spring is arranged on both sides of the first telescopic slot arranged at the bottom of the clamping assembly, the top of the first spring is connected with the inner wall of the first telescopic slot, the bottom of the first telescopic slot is connected with a first pressing plate, and the first spring can drive the first pressing plate to expand and contract.

[0011] Preferably, the second spring is arranged on both sides of the second telescopic slot arranged at the bottom of the first spring, the top of the second spring is connected with the inner wall of the second telescopic slot, the bottom of the second spring is connected with a second pressing plate, and the second spring can drive the second pressing plate to expand and contract.

[0012] Preferably, the top of the second pressing plate is connected with a plurality of connecting columns, the connecting columns extend from the top of the first pressing plate, the top of the connecting column is connected with a pressing plate, and the pressing plate is perpendicular to the through slot arranged at the middle of the top of the clamping assembly.

[0013] Preferably, the inner sides of the two sides of the moving frame are provided with supporting plates, the supporting plates are inserted with adjusting screws, the bottom of the adjusting screw is connected with a connecting plate, the connecting plate is perpendicular to the through slot arranged at the top of the clamping assembly, the bottom of the connecting plate is provided with a plurality of first rollers, the adjusting nut sleeved on the adjusting screw is screwed, and the first rollers at the bottom of the connecting plate can be driven by the adjusting screw to extend into the interior of the clamping assembly from the through slot.

[0014] A cutting process of a knitted fabric cutting device, comprising the following steps: Step one: adjust, screw the knob, make the knob drive the opening and closing screw to rotate, adjust the distance between the horizontal moving plates on the opening and closing screw, make the inside clamping assembly of the horizontal moving plate can be placed on the edge of the fabric, at this time, the telescopic block arranged in the moving frame starts to stretch into the telescopic slot in the other half of the moving frame, the end of the second lead screw inserted in the middle of the moving frame starts to stretch into the through hole in the end of the second lead screw, prevent the moving frame and the second lead screw from blocking the contraction of the horizontal moving plate, then lead the fabric on the placing roller to the surface of the machine table, at this time, the two sides of the fabric enter below the clamping assembly from the bottom of one side of the clamping assembly; Step two: clamping, the first spring in the first telescopic slot at the bottom of the clamping assembly makes the bottom first pressing plate press and clamp the two sides of the fabric through the tension, and the first pressing plate does not block the movement of the fabric through the second rollers on the two sides of the bottom of the first pressing plate, when the fabric is laid flat on the entire surface of the machine table, then screw the adjusting nut on the adjusting screw inserted in the support plate inside the horizontal moving plate, make the adjusting screw drive the bottom connected connecting plate to descend, make the connecting plate drive the first roller to insert into the clamping assembly from the through slot opened at the top of the clamping assembly, and start to extrude the extrusion plate perpendicular to the through slot through the descending, make the through slot extrude the second pressing plate through the second pressing plate, make the two sides of the fabric on the bottom of the second pressing plate be pressed and clamped again, prevent the fabric from deviating.

[0015] Compared with the prior art, the beneficial effects of the present application are: The application provides a knitted fabric cutting device and process, which comprises the following steps: firstly, a fabric roll is sleeved on a placing roller arranged at one end of a machine table; then, according to the width of the fabric, a knob is twisted to drive the opening and closing screw rod to rotate, the distance between the horizontal moving plates on the opening and closing screw rod is adjusted, and the inside clamping assembly of the horizontal moving plate can be placed at the edge of the fabric; at this time, the telescopic block arranged in the moving frame starts to extend into the telescopic slot in the middle of the other half of the moving frame by a distance, the end of the second lead screw inserted into the middle of the moving frame starts to extend into the through hole at the end of the second lead screw, so that the telescopic block is prevented from being stuck in the telescopic slot; then, the fabric on the placing roller is introduced to the surface of the machine table; at this time, the two sides of the fabric enter below the clamping assembly from the bottom of one side of the clamping assembly, the first spring in the first telescopic slot at the bottom of the clamping assembly makes the first pressing plate at the bottom press and clamp the two sides of the fabric through the tension, and the first pressing plate does not block the movement of the fabric through the second rollers on the two sides of the bottom of the first pressing plate; when the fabric is laid flat on the entire surface of the machine table, the adjusting nut sleeved on the adjusting screw inserted into the inside support plate of the horizontal moving plate is twisted to make the adjusting screw drive the bottom connected connecting plate to descend, the connecting plate drives the first roller to be inserted into the clamping assembly from the through slot opened at the top of the clamping assembly, and the through slot is pressed by the second pressing plate through the second pressing plate, so that the two sides of the fabric at the bottom of the second pressing plate are pressed and clamped again, the fabric is prevented from deviating, and the bottom of the second pressing plate is further provided with anti-skid lines, the clamping of the second pressing plate is more stable through the anti-skid lines, and the fabric is prevented from deviating and wrinkling; when the fabric is fixed, the first lead screw motor drives the first lead screw to rotate, the moving frame can slide on the first lead screw, the longitudinal position of the cutting tool is adjusted, the connecting plate slides above the pressing plate through the first roller arranged at the bottom, the pressing position of the second pressing plate connected by the connecting column is consistent with the cutting position, the second lead screw motor drives the second lead screw to rotate, the sliding block can slide on the second lead screw, and the transverse position of the cutting tool is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic diagram of the application; Figure 2 It is a three-dimensional structure schematic diagram of the application; Figure 1 It is a structure schematic diagram of A in the application; Figure 3 It is a cross-sectional structure schematic diagram of the application; Figure 4 It is a cross-sectional structure schematic diagram of the application; Figure 3 It is an enlarged schematic diagram of the structure of B in the application; Figure 5 It is a bottom view structure schematic diagram of the clamping assembly of the application.

[0017] In the figure: machine table 1, placed roller 2, open-close screw 3, knob 4, transverse plate 5, first lead screw 6, first lead screw motor 7, moving frame 8, telescopic block 9, second lead screw 10, second lead screw motor 11, sliding block 12, air cylinder 13, telescopic rod 14, cutting tool 15, support plate 16, adjusting screw 17, connecting plate 18, first roller 19, clamping assembly 20, through hole 21, first telescopic groove 22, first spring 23, first pressing plate 24, second roller 25, second telescopic groove 26, second spring 27, second pressing plate 28, connecting column 29, extrusion plate 30, through groove 31, anti-skid pattern 32. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme of the present application clear, complete description, and the advantages are more clear and obvious, the following will be further described in detail with the help of the drawings. It should be understood that the specific embodiments described here are part of the embodiments of the present application, not all embodiments, only to explain the embodiments of the present application, and not for the purpose of limiting the embodiments of the present application, all other embodiments obtained by the person skilled in the art without doing creative work, belong to the scope of protection of the present application.

[0019] Please refer to Figures 1 to 5 The present application provides a technical scheme: machine table 1, both ends of machine table 1 are rotatably inserted into open-close screw 3, both sides of open-close screw 3 are slidingly connected with transverse plate 5, the inner side of transverse plate 5 is connected with clamping assembly 20, the bottom of clamping assembly 20 is provided with first telescopic groove 22, first telescopic groove 22 is elastically connected with first pressing plate 24, the bottom of first pressing plate 24 is provided with second roller 25, the bottom of first pressing plate 24 is provided with second telescopic groove 26, second telescopic groove 26 is elastically connected with second pressing plate 28, the bottom of second pressing plate 28 is provided with anti-skid pattern 32; Anti-skid pattern 32 can make the clamping of second pressing plate 28 more stable, avoid fabric deviation and wrinkle.

[0020] The bottom of one end of the machine table 1 is provided with a placing roller 2, and a fabric roll can be sleeved on the placing roller 2. An opening and closing screw rod 3 is provided, the threads on the two sides of the opening and closing screw rod 3 are opposite, a knob 4 is arranged in the middle of the opening and closing screw rod 3, and the opening and closing screw rod 3 is provided with two groups of transverse moving plates 5 which are slidingly connected and can be driven to move by rotating the knob 4. A first lead screw motor 7 is arranged at one end of the transverse moving plate 5, a first lead screw 6 is inserted into the end of the first lead screw motor 7, the first lead screw 6 is inserted into the middle of the transverse moving plate 5, a moving frame 8 is slidingly connected to the first lead screw 6, the middle of the moving frame 8 is disconnected, an expansion block 9 is arranged on the inner side of the disconnected moving frame 8, and an expansion slot is formed in the other side, the expansion block 9 is inserted into the expansion slot to connect the disconnected moving frame 8. The spacing between the transverse moving plates 5 on the opening and closing screw rod 3 is adjusted, so that the inner side of the transverse moving plate 5 can be placed on the edge of the fabric, and at this time, the expansion block 9 arranged in the moving frame 8 is expanded into the expansion slot in the middle of the other moving frame 8 by a distance. A second lead screw motor 11 is arranged at one side of the top of the moving frame 8, a second lead screw 10 is inserted into the end of the second lead screw motor 11, the second lead screw 10 is inserted into the middle of the moving frame 8, a through hole 21 is formed in the other end of the moving frame 8, the end of the second lead screw 10 is inserted into the through hole 21, a sliding block 12 is slidingly connected to the moving frame 8, a pneumatic cylinder 13 is connected to the bottom of the sliding block 12, an expansion rod 14 is inserted into the bottom of the pneumatic cylinder 13, and a cutting tool 15 is connected to the bottom of the expansion rod 14. The clamping assembly 20 is arranged on the inner side of the transverse moving plate 5, first springs 23 are arranged on the two sides of a first expansion slot 22 formed in the bottom of the clamping assembly 20, the top of the first spring 23 is connected to the inner wall of the first expansion slot 22, the bottom of the first expansion slot 22 is connected to a first pressing plate 24, and the first spring 23 can drive the first pressing plate 24 to expand and contract. Second springs 27 are arranged on the two sides of a second expansion slot 26 formed in the bottom of the first spring 23, the top of the second spring 27 is connected to the inner wall of the second expansion slot 26, the bottom of the second spring 27 is connected to a second pressing plate 28, and the second spring 27 can drive the second pressing plate 28 to expand and contract. A through slot 31 is arranged to press the second pressing plate 28, so that the two sides of the fabric arranged in the bottom of the second pressing plate 28 are pressed again to prevent the fabric from deviating. The middle top of the second pressing plate 28 is connected with a plurality of connecting columns 29, the connecting columns 29 extend from the top of the first pressing plate 24, the top of the connecting columns 29 is connected with a pressing plate 30, the pressing plate 30 is perpendicular to a through slot 31 which is located at the middle top of the clamping assembly 20; the inner sides of the two sides of the moving frame 8 are provided with support plates 16, the support plates 16 are inserted with adjusting screws 17, the bottom of the adjusting screws 17 is connected with connecting plates 18, the connecting plates 18 are perpendicular to the through slot 31 which is located at the top of the clamping assembly 20, the bottom of the connecting plates 18 is provided with a plurality of first rollers 19, by screwing the adjusting nuts which are sleeved on the adjusting screws 17, the first rollers 19 at the bottom of the connecting plates 18 can be driven by the adjusting screws 17 to extend into the clamping assembly 20 from the through slot 31; by driving the connecting plates 18 at the bottom to descend, the first rollers 19 can be inserted into the clamping assembly 20 from the through slot 31 which is located at the top of the clamping assembly 20 by the connecting plates 18.

[0021] In actual use, first, the fabric roll is set on the placing roller 2 arranged at one end of the machine table 1, then according to the width of the fabric, the knob 4 is screwed to drive the opening and closing screw rod 3 to rotate, the interval between the horizontal moving plates 5 on the opening and closing screw rod 3 is adjusted, the inside clamping assembly 20 of the horizontal moving plate 5 can be placed at the edge of the fabric, at this time, the telescopic block 9 arranged in the moving frame 8 starts to extend into the telescopic slot in the other half of the moving frame 8, the end of the second lead screw 10 inserted into the moving frame 8 extends into the through hole 21 at the end of the second lead screw 10, preventing the telescopic block 9 from being stuck in the telescopic slot 5, then the fabric on the placing roller 2 is led to the surface of the machine table 1, at this time, the two sides of the fabric enter below the clamping assembly 20 from the bottom of one side of the clamping assembly 20, the first spring 23 in the first telescopic slot 22 at the bottom of the clamping assembly 20 makes the first pressure plate 24 at the bottom press and clamp the two sides of the fabric through the tension, and the first pressure plate 24 does not block the movement of the fabric through the second roller 25 at the bottom of the two sides of the first pressure plate 24, when the fabric is laid flat on the entire surface of the machine table 1, the adjusting nut on the adjusting screw 17 inserted into the inside support plate 16 of the horizontal moving plate 5 is screwed, the adjusting screw 17 drives the bottom connected connecting plate 18 to descend, the connecting plate 18 drives the first roller 19 to insert into the clamping assembly 20 from the through slot 31 at the top of the clamping assembly 20, and the through slot 31 is extruded by the second pressure plate 28, the second pressure plate 28 at the bottom is pressed again to clamp the two sides of the fabric, preventing the fabric from deviating, further, the bottom of the second pressure plate 28 is provided with anti-skid lines 32, which can make the clamping of the second pressure plate 28 more stable, avoiding the fabric from deviating and wrinkling; when the fabric is fixed, the first lead screw motor 7 drives the first lead screw 6 to rotate, which can make the moving frame 8 slide on the first lead screw 6 to adjust the longitudinal position of the cutting tool 15, at this time, the connecting plate 18 slides above the extrusion plate 30 through the first roller 19 arranged at the bottom, the second pressure plate 28 connected by the connecting column 29 at the bottom is pressed to the same position as the cutting position, the second lead screw motor 11 drives the second lead screw 10 to rotate, which can make the sliding block 12 slide on the second lead screw 10 to adjust the transverse position of the cutting tool 15.

[0022] Although the above describes the specific embodiments of the present application in order to enable those skilled in the art to understand the present application, the present application is not limited to the specific embodiments, and all the applications created by using the concept of the present application within the scope of the appended claims are within the protection of the present application.

Claims

1. A knitted fabric cutting apparatus characterized by: Include: The machine table (1), both ends of the machine table (1) are rotatably connected with the opening and closing screw (3), the two sides of the opening and closing screw (3) are slidably connected with the transverse plate (5), the inner side of the transverse plate (5) is connected with the clamping assembly (20), the bottom of the clamping assembly (20) is provided with the first expansion slot (22), the first expansion slot (22) is elastically connected with the first pressing plate (24), the bottom of the first pressing plate (24) is provided with the second roller (25), the bottom of the first pressing plate (24) is provided with the second expansion slot (26), the second expansion slot (26) is elastically connected with the second pressing plate (28), and the bottom of the second pressing plate (28) is provided with the anti-skid pattern (32).

2. The knitted fabric cutting apparatus according to claim 1, wherein: The bottom of one end of the machine table (1) is provided with a placing roller (2), and the fabric roll can be sleeved on the placing roller (2). The opening and closing screw (3) is provided with a knob (4) in the middle, and the two groups of transverse plates (5) slidably connected with the opening and closing screw (3) can be driven to move by rotating the knob (4).

3. A knitted fabric cutting apparatus according to claim 2, wherein: The end of the transverse plate (5) is provided with a first screw rod motor (7), the end of the first screw rod motor (7) is connected with a first screw rod (6), the first screw rod (6) is connected to the middle of the transverse plate (5), the first screw rod (6) is slidably connected with a moving frame (8), the moving frame (8) is disconnected in the middle, the inner side of the disconnected moving frame (8) is provided with an expansion block (9), and the other side is provided with an expansion slot, the expansion block (9) is connected in the expansion slot, and the disconnected moving frame (8) is connected.

4. The knitted fabric cutting apparatus according to claim 3, wherein: The top of the moving frame (8) is provided with a second screw rod motor (11) on one side, the end of the second screw rod motor (11) is connected with a second screw rod (10), the second screw rod (10) is connected to the middle of the moving frame (8), the moving frame (8) is provided with a through hole (21) on the other end of the second screw rod (10), the end of the second screw rod (10) is connected in the through hole (21), the moving frame (8) is slidably connected with a sliding block (12), the bottom of the sliding block (12) is connected with a pneumatic cylinder (13), the bottom of the pneumatic cylinder (13) is connected with an expansion rod (14), and the bottom of the expansion rod (14) is connected with a cutting tool (15).

5. A knitted fabric cutting apparatus according to claim 4, wherein: The clamping assembly (20) is arranged on the inner side of the transverse plate (5), the first expansion slot (22) is provided with a first spring (23) on both sides of the bottom of the clamping assembly (20), the top of the first spring (23) is connected with the inner wall of the first expansion slot (22), the bottom of the first expansion slot (22) is connected with the first pressing plate (24), and the first spring (23) can drive the first pressing plate (24) to expand and contract.

6. A knitted fabric cutting apparatus according to claim 5, wherein: The second expansion slot (26) is provided with a second spring (27) on both sides of the bottom of the first spring (23), the top of the second spring (27) is connected with the inner wall of the second expansion slot (26), the bottom of the second spring (27) is connected with the second pressing plate (28), and the second spring (27) can drive the second pressing plate (28) to expand and contract.

7. A knitted fabric cutting apparatus according to claim 6, wherein: The top center of the second pressure plate (28) is connected to multiple sets of connecting posts (29). The connecting posts (29) extend from the top of the first pressure plate (24). The top of the connecting posts (29) is connected to the extrusion plate (30). The extrusion plate (30) is perpendicular to the through groove (31) starting from the top center of the clamping assembly (20).

8. The knitted fabric cutting apparatus according to claim 7, wherein: The inner sides of both sides of the movable frame (8) are provided with support plates (16), and adjustment screws (17) are inserted into the support plates (16). The bottom of the adjustment screws (17) is connected to a connecting plate (18). The connecting plate (18) is perpendicular to the through slot (31) opened at the top of the clamping assembly (20). The bottom of the connecting plate (18) is provided with multiple sets of first rollers (19). By turning the adjustment nut sleeved on the adjustment screws (17), the adjustment screws (17) can drive the first rollers (19) at the bottom of the connecting plate (18) to extend from the through slot (31) into the interior of the clamping assembly (20).

9. A cutting process of a cutting apparatus for a knitted fabric according to any one of claims 1 to 8, characterized in that: Includes the following steps: Step 1: Adjustment, turn the knob (4) to drive the opening and closing screw (3) to rotate, adjust the distance between the transverse plates (5) on the opening and closing screw (3) so that the inner clamping assembly (20) of the transverse plate (5) can be placed at the edge of the fabric. At this time, the telescopic block (9) set in the moving frame (8) extends and retracts a distance into the telescopic groove starting from the middle of the other half of the moving frame (8). One end of the second screw (10) inserted in the middle of the moving frame (8) extends and retracts in the through hole (21) starting from the end of the second screw (10) of the moving frame (8) to prevent the moving frame (8) and the second screw (10) from jamming the retraction of the transverse plate (5). Then, the fabric on the placement roller (2) is guided to the surface of the machine (1). At this time, the two sides of the fabric enter the bottom of the clamping assembly (20) from one side of the bottom. Step 2: Clamping. The first spring (23) in the first telescopic groove (22) at the bottom of the clamping assembly (20) uses tension to press down the first pressure plate (24) on both sides of the fabric to clamp it. The second rollers (25) on both sides of the bottom of the first pressure plate (24) prevent the first pressure plate (24) from obstructing the movement of the fabric. When the fabric is laid flat on the entire surface of the machine (1), the adjusting nut on the adjusting screw (17) inserted into the inner support plate (16) of the transverse plate (5) is turned to allow the fabric to move freely. The adjusting screw (17) drives the connecting plate (18) connected at the bottom to descend, so that the connecting plate (18) drives the first roller (19) to insert into the clamping assembly (20) through the through slot (31) opened at the top of the clamping assembly (20), and the descending starts to squeeze the extrusion plate (30) perpendicular to the through slot (31), so that the through slot (31) squeezes the second pressure plate (28) through the second pressure plate (28), so that the two sides of the fabric at the bottom of the second pressure plate (28) are pressed and clamped again to prevent the fabric from deviating.

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