Cloth cover stentering roller device

Abstract

The utility model relates to a cloth cover stentering roller device, which belongs to the technical field of cloth inspecting machines, and comprises a through shaft which is sleeved and fixed on a roller in the middle of the through shaft, and a plurality of silica gel round strips are uniformly and annularly arranged on the outer wall of the roller; angle adjusting discs are symmetrically arranged on the outer sides of the two ends of the roller respectively, and the two ends of each silica gel round strip are fixed to the two angle adjusting discs respectively; a bearing is fixedly arranged in a disc center hole of the angle adjusting disc, a shaft sleeve is fixedly arranged in the bearing, the shaft sleeve is movably sleeved with a through shaft, a connecting shaft is arranged between the shaft sleeve and the through shaft, the shaft sleeve is provided with a swing rod, a sliding block is arranged on the through shaft, balls are arranged between the sliding block and the swing rod, and the connecting shaft is connected with an adjusting rod device. And the through shaft near the bearing seat at one end is fixedly sleeved with a limiting disc. The utility model can realize the forward and reverse tentering function.

Description

Technical Field

[0001] This utility model relates to a fabric inspection machine, specifically to a fabric stretching roller device. Background Technology

[0002] Traditional fabric inspection machines use tenter rollers that only have a unidirectional tenter function, meaning that the fabric can only be tentered when it is moving in the forward direction, and cannot be tentered when it is moving in the reverse direction. If the fabric needs to be returned for re-inspection, the returned fabric will be rewound without being tentered and then released for re-inspection, which will inevitably affect the uniformity of the fabric surface, the rewinding effect, and the re-inspection effect. Utility Model Content

[0003] This utility model discloses a fabric stretching roller device, which aims to improve the above-mentioned shortcomings of the stretching roller of the traditional fabric inspection machine.

[0004] The technical solution adopted in this utility model is as follows:

[0005] The fabric stretching roller device includes a roller fixed to the middle of a through shaft. The outer wall of the roller has multiple axial grooves evenly spaced around its two ends. Each axial groove contains a silicone strip, all of which are axially extendable and partially exposed on the outer surface of the roller. Symmetrically, an angle adjusting disc is located on the outer sides of each end of the roller. Both angle adjusting discs are spaced apart from the roller and connected to the through shaft through a central hole. Both ends of the silicone strips are fixed to the two angle adjusting discs respectively. The connection method between the two angle adjusting discs and the through shaft is the same, specifically:

[0006] A bearing is fixedly installed inside the center hole of the angle adjustment disc, and a bushing is fixedly installed inside the bearing. The bushing is movably connected to the through shaft 1, and a connecting shaft is provided between the two. The connecting shaft is movably installed in the first shaft hole provided on the through shaft, and its two ends are respectively fixed to the corresponding inner walls of the bushing on both sides, so as to connect the bushing to the through shaft and enable the bushing, bearing and angle adjustment disc to rotate with the through shaft. The first shaft hole is set as an axial elongated hole so that the bushing, bearing and angle adjustment disc can move axially on the through shaft with the connecting shaft. A gap is left between the bushing and the through shaft for the bushing to swing around the connecting shaft so that the bushing can drive the bearing and angle adjustment disc to tilt axially on the through shaft.

[0007] The bushing is provided with a rocker arm for driving the bushing connecting shaft to swing. The rocker arm is fixed vertically at the end of the bushing away from the roller and parallel to the through shaft.

[0008] The through shaft is provided with a slider for driving the swing arm to swing radially relative to the through shaft. The slider is fixed on the outer wall of the through shaft and located between the swing arm and the through shaft. The opposite surface of the slider and the swing arm is provided with an inclined surface that gradually moves away from the outer end of the swing arm to the inner end of the swing arm. The swing arm slides on the inclined surface.

[0009] The connecting shaft is connected to an adjusting rod device for adjusting and fixing its position and angle adjustment disc deflection angle within the axial elongated hole;

[0010] In addition, both ends of the through shaft are movably sleeved with bearing seats for horizontal mounting on the frame. Near the bearing seat at either end, a limiting plate is fixedly sleeved on the through shaft to limit the rotation angle of the through shaft and the angle adjustment disc. The bearing seat has a limiting post on the side facing the limiting plate, which limits the rotation angle of the limiting plate to 180 degrees so that the silicone strips on the corresponding sides of the angle adjustment disc can be interchanged.

[0011] As a preferred embodiment, the roller is fixed to the through shaft by end caps fixed at both ends.

[0012] As a preferred embodiment, both ends of all silicone strips pass through the corresponding first through holes on the two angle adjustment discs and are then fixed to the corresponding lock seats on the outer surfaces of the two angle adjustment discs.

[0013] As a preferred embodiment, the opposing surfaces of the rocker arm and the through shaft are provided with a groove parallel to the inclined surface, and a ball bearing is provided in the groove, with the ball bearing partially protruding outside the groove and contacting the inclined surface.

[0014] As a preferred embodiment, the adjusting rod device includes an adjusting rod, a double-ended nut, an outer nut, and a spring; the double-ended nut is thinner at the front end and thicker at the rear end, with its thinner front end screwed and fixed inside the rod cavity provided on the end face of the shaft; the adjusting rod is movably inserted into the rod cavity along the double-ended nut, with its front end movably sleeved onto the connecting shaft through the second shaft hole provided at that end, and its rear end protruding outside the double-ended nut; the adjusting rod slides through the hexagonal prism provided on its outer wall to the hexagonal hole provided in the rear part of the double-ended nut, so that it can only move back and forth within the rod cavity; one end of the outer nut is open and the other end is closed, and its open end is screwed and fixed to the periphery of the thicker rear end of the double-ended nut; the rear end of the adjusting rod protrudes outside along the rod hole provided on the closed end face of the outer nut; the spring is provided inside the outer nut, with one end supporting the closed end face of the outer nut and the other end supporting the hexagonal prism, so as to elastically fix the adjusting rod in the axial elongated hole.

[0015] As a preferred embodiment, the limiting disc is integrally formed, including a cylindrical part, a disc part located at one end of the cylindrical part, a central hole passing through the cylindrical part and the disc part, and a fan ring part protruding from the outer edge of the disc part. The limiting disc is sleeved and fixed on the through shaft through its central hole. The disc part and the limiting post are radially separated. The limiting post blocks the rotation trajectory of the fan ring part and limits the rotation angle of the fan ring part to 180 degrees.

[0016] The adjusting rod device of this invention can fix two angle adjusting discs axially inclined on a through shaft, so that one side of the two angle adjusting discs is closer to each other and the other side is farther apart. This causes the silicone strip located at the closest point between the two angle adjusting discs to be stretched to its shortest length, while the silicone strip located at the farthest point is stretched to its longest length. Furthermore, the through shaft of this invention can rotate 180 degrees on the bearing seat to interchange the positions of the closest and farthest points of the two angle adjusting discs, thereby interchanged the positions of the shortest and longest silicone strips. Therefore, regardless of whether the through shaft drives the roller and angle adjusting discs to rotate forward or backward, the fabric can enter through the shortest silicone strip and exit through the longest silicone strip, thus achieving forward and reverse stretching functions. It is evident that this invention can stretch fabric not only in forward motion but also in reverse motion, which is beneficial for improving fabric uniformity, rewinding effect, and rework performance. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0018] Figure 2 This is a cross-sectional view of the overall structure of an embodiment of the present utility model.

[0019] Figure 3 This is a partial exploded view of an embodiment of the present invention.

[0020] Figure 4 This is a schematic diagram of the forward tensioning of an embodiment of the present invention.

[0021] Figure 5 This is a schematic diagram of the reverse tensioning of an embodiment of the present invention. Detailed Implementation

[0022] The utility model will now be described in conjunction with the accompanying drawings and specific embodiments.

[0023] like Figure 1-3 The fabric stretching roller device shown includes a through shaft 1 and a roller 2 sleeved and fixed in the middle of the through shaft 1. The roller 2 is sleeved and fixed to the through shaft 1 through end caps 2.1 fixed at both ends of the roller 2. The outer wall of the roller 2 is uniformly provided with multiple axial grooves that pass through both ends of the roller 2. Each axial groove is provided with a silicone strip 3. All silicone strips 3 are axially extended and partially exposed on the outer surface of the roller 2. An angle adjustment disk 4 is provided symmetrically on the outer side of both ends of the roller 2. The two angle adjustment disks 4 are both spaced apart from the roller 2 and are sleeved to the through shaft 1 through the disk center hole. The two ends of all silicone strips 3 pass through the first through hole 4.1 provided on the two angle adjustment disks 4 respectively and are fixed to the locking seat 5 provided on the outer disk surface of the two angle adjustment disks 4 respectively, so that they are all fixed on the two angle adjustment disks 4 respectively.

[0024] The two angle adjustment discs 4 are connected to the through shaft 1 in the same way, specifically as follows:

[0025] A bearing 6 is fixedly installed inside the center hole of the angle adjustment disc 4. A bushing 7 is fixedly installed inside the bearing 6. The bushing 7 is movably sleeved to the through shaft 1, and a connecting shaft 8 is provided between the two. The connecting shaft 8 is movably installed in the first shaft hole provided on the through shaft 1, and its two ends are respectively fixed to the corresponding inner walls of the bushing 7 on both sides, so as to connect the bushing 7 to the through shaft 1 and enable the bushing 7, the bearing 6 and the angle adjustment disc 4 to rotate together with the through shaft 1. The first shaft hole is set as an axial elongated hole 1.1 so that the bushing 7, the bearing 6 and the angle adjustment disc 4 can move axially on the through shaft 1 with the connecting shaft 8. A gap is left between the bushing 7 and the through shaft 1 for the bushing 7 to swing around the connecting shaft 8 so that the bushing 7 can drive the bearing 6 and the angle adjustment disc 4 to tilt axially on the through shaft 1.

[0026] The bushing 7 is provided with a rocker arm 7.2 for driving the bushing 7 to swing on the connecting shaft 8. The rocker arm 7.2 is fixed vertically at the end of the bushing 7 away from the roller 2 and parallel to the through shaft 1.

[0027] A slider 9 is provided on the through shaft 1 for driving the rocker arm 7.2 to swing radially relative to the through shaft 1. The slider 9 is fixed on the outer wall of the through shaft 1 and located between the rocker arm 7.2 and the through shaft 1. The opposite surface of the slider 9 and the rocker arm 7.2 is provided with an inclined surface 9.1 that gradually moves away from the outer end of the rocker arm 7.2 towards the inner end of the rocker arm 7.2. The opposite surface of the rocker arm 7.2 and the through shaft 1 is provided with a groove parallel to the inclined surface 9.1. A ball bearing 10 is provided in the groove. The ball bearing 10 is partially exposed outside the groove and contacts the inclined surface 9.1, so that the inclined surface 9.1 contacts and connects to the rocker arm 7.2.

[0028] The connecting shaft 8 is connected to an adjusting rod device 11 for adjusting and fixing its position and the deflection angle of the angle adjusting disc 4 within the axial elongated hole 1.1. The adjusting rod device 11 includes an adjusting rod 11.1, a double-ended nut 11.2, an outer nut 11.3, and a spring 11.4. The double-ended nut 11.2 has a thinner front end and a thicker rear end, with its thinner front end screwed and fixed within the rod cavity 1.2 on the end face of the through shaft 1. The adjusting rod 11.1 is movably inserted into the rod cavity 1.2 along the double-ended nut 11.2, with its front end movably sleeved onto the connecting shaft 8 through the second shaft hole 11.11 at that end, and its rear end protruding outside the double-ended nut 11.2. .1 The hexagonal prism 11.12 on its outer wall slides into the hexagonal hole 11.21 in the rear part of the double-ended nut 11.2, so that it can only move back and forth within the rod cavity 1.2; the outer nut 11.3 is open at one end and closed at the other end, and is screwed to the outer periphery of the rear thick end of the double-ended nut 11.2 through its open end; the rear end of the adjusting rod 11.1 is exposed along the rod hole provided on the closed end face of the outer nut 11.3; the spring 11.4 is provided in the outer nut 11.3, with one end supporting the closed end face of the outer nut 11.3 and the other end supporting the hexagonal prism 11.12, so as to elastically fix the adjusting rod 11.1 in the axial elongated hole 1.1.

[0029] In addition, both ends of the through shaft 1 are movably sleeved with bearing seats 12 for horizontally mounting it on the frame. Near the bearing seat 12 at any end, a limiting plate 13 is also fixedly sleeved on the through shaft 1 to limit the rotation angle of the through shaft 1 and the angle adjustment plate 4. The bearing seat 12 has a limiting post 12.1 on the side facing the limiting plate 13. The limiting post 12.1 limits the rotation angle of the limiting plate 13 to 180 degrees so that the silicone strips 3 on the corresponding sides of the angle adjustment plate 4 can interchange positions.

[0030] The limiting plate 13 is integrally formed and includes a cylindrical part 13.1, a disc part 13.2 provided at one end of the cylindrical part 13.1, a central hole 13.3 passing through the cylindrical part 13.1 and the disc part 13.2, and a fan ring part 13.4 protruding from the outer edge of the disc part 13.2. The limiting plate 13 is sleeved and fixed on the through shaft 1 through its central hole 13.3. The disc part 13.2 is radially separated from the limiting post 12.1. The limiting post 12.1 blocks the rotation trajectory of the fan ring part 13.4 and limits the rotation angle of the fan ring part 13.4 to 180 degrees.

[0031] Between any angle adjustment disc 4 and the roller 2, there is also a width adjustment disc 14 for adjusting the width of the stretching surface of the roller 2. The width adjustment disc 14 is a lightweight plastic disc and is movably sleeved on the through shaft 1 through its disc core hole. All silicone strips 3 pass through the corresponding second through hole 14.1 on the width adjustment disc 14 and are tightly connected to the width adjustment disc 14.

[0032] like Figure 4As shown, during installation, the through shaft 1 and roller 2 are horizontally mounted on the frame 15 via the bearing seat 12. The bearing seat 2 is fixed on the frame 15, and the through shaft 1 can rotate on the bearing seat 12. However, due to the interaction between the limiting plate 13 and the limiting post 12.1, the through shaft 1 can only rotate 180 degrees in both directions. During use, the width adjustment plate 14 can be moved axially to adjust the width of the stretching surface of the roller 2 to accommodate fabrics of different widths. The two angle adjustment plates 4 are adjusted and fixed at the required tilt angles by the adjusting rod devices 11 on both sides, so that the stretching length of the trajectory circular strips 3 between the near and far points of the two angle adjustment plates 4 is different. Moreover, the silicone strip located at the closest point of the two angle adjustment plates 4 is the shortest, while the silicone strip located at the farthest point of the two angle adjustment plates 4 is the longest. The width adjustment disc 14 will also tilt as the silicone strip 3 is stretched, and its tilt direction is the same as that of the angle adjustment disc 4 on the same side. The width adjustment disc 14 and the angle adjustment disc 4 on the other side of the roller 2 are separated into a stretching surface on the surface of the roller 2. The fabric is wrapped around the front half of the stretching surface and the fabric is attached to all the silicone strips 3 in the front half of the stretching surface.

[0033] During normal fabric inspection, such as Figure 4 As shown, the fabric enters from the top of the stretching surface and exits from the bottom. The fabric surface drives the roller 2 to rotate, and the roller 2 drives the through shaft 1, the angle adjustment disk 4 and the limiting disk 13 to rotate until one end of the fan-shaped ring 13.4 on the limiting disk 13 abuts against the limiting post 12.1. At this time, the shortest silicone strip 3' is located at the top of the roller 2 and the longest silicone strip 3" is located at the bottom of the roller 2. The fabric passes through the silicone strips 3 one by one from top to bottom, and the fabric surface is evenly flattened and stretched to enter the subsequent fabric inspection station.

[0034] If the fabric needs to be returned for re-inspection, such as Figure 5 As shown, the fabric is driven to run in the reverse direction. The fabric enters from the bottom of the stretching surface and exits from the top of the stretching surface. The fabric surface drives the roller 2 to rotate in the reverse direction. The roller 2 drives the through shaft 1, the angle adjustment disk 4 and the limit disk 13 to rotate in the reverse direction until the other end of the fan-shaped ring 13.4 on the limit disk 13 abuts against the limit post 12.1. At this time, the shortest silicone strip 3' is located at the bottom of the roller 2 and the longest silicone strip 3" is located at the top of the roller 2. The fabric passes through the progressively longer silicone strips 3 from bottom to top, and the fabric surface is evenly stretched and returned to the previous station. After that, the fabric can run in the forward direction again and enter the fabric inspection station again.

[0035] Since the greater the tilt angle of the two angle adjustment discs 4, the greater the stretching effect of the roller 2, the tilt angle of the angle adjustment discs 4 can be adjusted according to the required stretching effect. When adjusting the tilt angle of the angle adjustment discs 4, the tension of the spring 11.4 can be adjusted by rotating the outer nut 11.3, thereby adjusting the inner and outer position of the adjustment rod 11.1 in the rod cavity 1.2. The adjustment rod 11.1 can drive the connecting shaft 8 to move in the axial elongated hole 1.1. The connecting shaft 8 can drive the bushing 7 and the angle adjustment disc 4 to move axially on the through shaft 1. When the bushing 7 moves axially, it can drive the drive rod 7.2 to slide on the inclined surface 9.1, so as to synchronously change the swing amplitude of the drive rod 7.2 and the bushing 7, thereby changing the tilt angle of the angle adjustment disc 4.

Claims

1. A fabric stretching roller device, comprising a through shaft (1) and a roller (2) sleeved and fixed in the middle of the through shaft (1), wherein the outer wall of the roller (2) is uniformly provided with multiple axial grooves penetrating both ends therethrough, and each axial groove is provided with a silicone strip (3), all silicone strips (3) are axially extended and partially exposed on the outer surface of the roller (2); each of the two ends of the roller (2) is symmetrically provided with an angle adjusting disc (4), both angle adjusting discs (4) are spaced apart from the roller (2) and sleeved on the through shaft (1) through the disc center hole, and both ends of all silicone strips (3) are respectively fixed on the two angle adjusting discs (4); characterized in that, The two angle adjustment discs (4) are connected to the through shaft (1) in the same way, specifically: A bearing (6) is fixedly installed in the center hole of the angle adjustment disc (4). A bushing (7) is fixedly installed in the bearing (6). The bushing (7) is movably connected to the through shaft (1), and a connecting shaft (8) is provided between the two. The connecting shaft (8) is movably installed in the first shaft hole provided on the through shaft (1), and its two ends are respectively fixed to the corresponding inner walls of the bushing (7) on both sides, so as to connect the bushing (7) to the through shaft (1) and enable the bushing (7), bearing (6) and angle adjustment disc (4) to rotate together with the through shaft (1). The first shaft hole is set as an axial elongated hole (1.1) so that the bushing (7), bearing (6) and angle adjustment disc (4) can move axially on the through shaft (1) with the connecting shaft (8). A gap is left between the bushing (7) and the through shaft (1) for the bushing (7) to swing around the connecting shaft (8) so that the bushing (7) can drive the bearing (6) and angle adjustment disc (4) to tilt axially on the through shaft (1). The bushing (7) is provided with a rocker arm (7.2) for driving the bushing (7) to swing on the connecting shaft (8). The rocker arm (7.2) is fixed vertically at the end of the bushing (7) away from the roller (2) and parallel to the through shaft (1). The through shaft (1) is provided with a slider (9) for driving the rocker arm (7.2) to swing radially relative to the through shaft (1). The slider (9) is fixed on the outer wall of the through shaft (1) and located between the rocker arm (7.2) and the through shaft (1). The opposite surface of the slider (9) and the rocker arm (7.2) is provided with an inclined surface (9.1) that gradually moves away from the outer end of the rocker arm (7.2) towards the inner end of the rocker arm (7.2). The rocker arm (7.2) slides on the inclined surface (9.1). The connecting shaft (8) is connected to an adjusting rod device (11) for adjusting and fixing its position and angle adjustment disc (4) deflection angle within the axial elongated hole (1.1); In addition, both ends of the through shaft (1) are movably sleeved with bearing seats (12) for horizontally mounting it on the frame. Near the bearing seat (12) at any end, a limiting plate (13) is fixedly sleeved on the through shaft (1) to limit the rotation angle of the through shaft (1) and the angle adjustment plate (4). The bearing seat (12) has a limiting post (12.1) on the side facing the limiting plate (13). The limiting post (12.1) limits the rotation angle of the limiting plate (13) to 180 degrees so that the silicone strips (3) on the corresponding sides of the angle adjustment plate (4) can interchange positions.

2. The fabric stretching roller device according to claim 1, characterized in that: The roller (2) is fixed to the through shaft (1) by end caps (2.1) fixed at both ends of its end ports.

3. The fabric stretching roller device according to claim 1, characterized in that: Both ends of all silicone strips (3) pass through the first through holes (4.1) respectively set on the two angle adjustment discs (4) and are fixed to the lock seats (5) respectively set on the outer side of the two angle adjustment discs (4).

4. The fabric stretching roller device according to claim 1, characterized in that: The rocker arm (7.2) and the through shaft (1) have a groove parallel to the inclined surface (9.1) on their opposite surfaces. A ball (10) is provided in the groove, and the ball (10) is partially exposed outside the groove and contacts the inclined surface (9.1).

5. The fabric stretching roller device according to claim 1, characterized in that: The adjusting rod device (11) includes an adjusting rod (11.1), a double-ended nut (11.2), an outer nut (11.3), and a spring (11.4). The double-ended nut (11.2) is thinner at the front end and thicker at the rear end, with its thinner front end screwed and fixed inside the rod cavity (1.2) on the end face of the through shaft (1). The adjusting rod (11.1) is movably inserted into the rod cavity (1.2) along the double-ended nut (11.2), and its front end is movably sleeved onto the connecting shaft (8) through the second shaft hole (11.11) provided at that end, while its rear end protrudes outside the double-ended nut (11.2). The adjusting rod (11.1) slides through the hexagonal column (11.12) provided on its outer wall. The double-ended nut (11.2) is connected to the hexagonal hole (11.21) at the rear of the inner part so that it can only move back and forth within the rod cavity (1.2); the outer nut (11.3) is open at one end and closed at the other end and is screwed to the outer periphery of the rear thick end of the double-ended nut (11.2) through its open end; the rear end of the adjusting rod (11.1) is exposed along the rod hole provided on the closed end face of the outer nut (11.3); the spring (11.4) is provided inside the outer nut (11.3) and supports the closed end face of the outer nut (11.3) at one end and supports the hexagonal column (11.12) at the other end, so as to elastically fix the adjusting rod (11.1) in the axial long hole (1.1).

6. The fabric stretching roller device according to claim 1, characterized in that: The limiting disk (13) is integrally formed and includes a cylindrical part (13.1), a disc part (13.2) provided at one end of the cylindrical part (13.1), a central hole (13.3) passing through the cylindrical part (13.1) and the disc part (13.2), and a fan ring part (13.4) protruding from the outer edge of the disc part (13.2). The limiting disk (13) is sleeved and fixed on the through shaft (1) through its central hole (13.3). The disc part (13.2) and the limiting post (12.1) are radially separated. The limiting post (12.1) blocks the rotation trajectory of the fan ring part (13.4) and limits the rotation angle of the fan ring part (13.4) to 180 degrees.

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