Nylon roller clamping device

Abstract

The utility model relates to the field of steel production, in particular to a nylon roller clamping device which comprises a supporting column serving as a fixing base body of the device. One end of the connecting arm is axially and rotatably connected to the supporting column, and the other end of the connecting arm is symmetrically provided with an arc-shaped clamping jaw A and an arc-shaped clamping jaw B which can cooperatively act through a hinge assembly; and the bidirectional adjusting mechanism comprises an adjusting rod provided with a positive and negative thread section, the positive thread section of the adjusting rod is in thread pair fit with the free end of the arc-shaped clamping jaw A, and the negative thread section of the adjusting rod is in thread pair fit with the free end of the arc-shaped clamping jaw B. According to the nylon roller clamping device, the adjusting rod with the right-hand thread section and the left-hand thread section is arranged to adjust the distance between the adjusting rod and the arc-shaped clamping jaw A and the arc-shaped clamping jaw B to be matched, a nylon roller can be clamped conveniently, and meanwhile the connecting arm is arranged to rotate in the axial direction and connected with the supporting column; and after the nylon roller clamped by the arc-shaped clamping jaw A and the arc-shaped clamping jaw B is conveniently adjusted, the placement position of the nylon roller is adjusted, so that the nylon roller meets the use requirement.

Description

Technical Field

[0001] This invention relates to the field of steel production, and more specifically to a nylon roller clamping device. Background Technology

[0002] In steel bar production lines, nylon rollers are commonly used as conveying carriers to protect the surface of the bars from scratches during transport. Nylon rollers are typically designed with a circumferential groove, and are rolled over by fitting onto a central shaft and mounting bearings. However, due to the significant weight of the bars, nylon rollers require high mechanical strength and wear resistance, resulting in a substantial increase in size and weight. After the nylon rollers wear out, the central shaft needs to be pressed out of the inner hole. Because the lengths of the nylon rollers vary, the relative position of the rollers and the pressing device must be repeatedly adjusted, making the process cumbersome. Furthermore, the weight of the nylon rollers makes precise alignment of the central shaft and the roller body difficult to achieve manually, and adjusting the position requires multiple people working together, resulting in high labor intensity.

[0003] Therefore, a nylon roller clamping device is needed to assist in the insertion or removal of the nylon roller from the shaft, and to facilitate position adjustment. Summary of the Invention

[0004] This utility model discloses a nylon roller clamping device, which uses arc-shaped clamps A and B with adjusting rods having positive and negative threaded sections to adjust the distance between them, to facilitate the clamping of nylon rollers. At the same time, a connecting arm with axial rotation and a support column are provided to facilitate the adjustment of the nylon roller clamped by arc-shaped clamps A and B and adjust its placement position to meet the usage requirements.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] The nylon roller clamping device includes:

[0007] Support columns serve as the fixed base for the device;

[0008] A connecting arm has one end axially rotatably connected to the support column, and the other end is symmetrically mounted with arc-shaped grippers A and B, which can move in tandem, via a hinge assembly. A bidirectional adjustment mechanism includes an adjusting rod with forward and reverse threaded sections. The forward threaded section engages with the free end of arc-shaped gripper A, and the reverse threaded section engages with the free end of arc-shaped gripper B. Rotating the adjusting rod drives the two grippers to move synchronously in opposite directions or in opposite directions. Arc-shaped grippers A and B constitute a variable-diameter clamping cavity, and the clamping distance is controlled by the rotation direction of the adjusting rod, enabling the clamping or releasing operation of the nylon roller.

[0009] Furthermore, the free end of the arc-shaped gripper A is hinged and fixed with a movable block A, the free end of the arc-shaped gripper B is hinged and fixed with a movable block B, the forward threaded section of the adjusting rod is threadedly connected to the movable block A, and the reverse threaded section is threadedly connected to the movable block B.

[0010] Furthermore, a rotating column is coaxially and rotatably mounted on the top of the support column, and a rack is provided on the surface of the rotating column extending axially; the adjusting seat is slidably sleeved on the outer periphery of the rotating column, and has an interconnected gear and worm gear assembly inside, wherein the gear and the rack form a meshing transmission, and the worm gear is fixed to the end of the gear shaft and forms a helical transmission pair with the worm; the axial position of the adjusting seat on the rotating column can be precisely adjusted by the rotation drive of the worm, and the base of the connecting arm is fixedly installed on the adjusting seat.

[0011] Furthermore, the connecting arm adopts a multi-stage hinge structure, including a first connecting arm and a second connecting arm that are hinged to each other; wherein the front end of the first connecting arm is connected to arc-shaped gripper A and arc-shaped gripper B respectively through a rotary joint, and its rear end is hinged to the second connecting arm at an adjustable angle; the end of the second connecting arm is fixedly connected to the adjustment seat.

[0012] Furthermore, a handle is fixedly connected to the adjusting rod.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. By setting arc-shaped grippers A and B, the annular groove of the nylon roller is clamped. An adjusting rod with positive and negative thread sections is used to engage with arc-shaped grippers A and B respectively through the threads. The clamping or loosening operation of the nylon roller is achieved by controlling the rotation direction of the adjusting rod. The structure is simple and easy to adjust. At the same time, the connecting arm and the support column are axially rotated through bearings, which can rotate the nylon roller to the required position for convenient operation.

[0015] 2. By setting movable blocks A and B to be hinged to arc-shaped grippers A and B respectively, and threaded to the adjusting rod, the adjusting rod can have more adjustment space when adjusting the position of arc-shaped grippers A and B.

[0016] 3. By setting up an adjustment seat with a rack and pinion mechanism and a worm gear, the vertical position of the connecting arm can be adjusted using the gear and rack mechanism, thereby adjusting the placement position of the nylon roller. The use of the worm gear also enables the adjustment seat to achieve self-locking.

[0017] IV. By setting the connecting arms as the first connecting arm and the second connecting arm, the clamped nylon roller has a greater range of adjustment in the horizontal direction.

[0018] 5. The handle allows for easy rotation of the adjusting rod, enabling quick clamping or loosening of the nylon roller. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model.

[0020] Figure 2 This is a partially enlarged structural schematic diagram of the present invention.

[0021] Figure 3 This is a schematic diagram of the internal structure of the adjustment seat. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] like Figures 1-3 As shown, the nylon roller clamping device includes: a support column 10, which serves as the fixed base of the device; a connecting arm 20, one end of which is axially rotatably connected to the support column 10, and the other end is symmetrically mounted with arc-shaped grippers A201 and B202 that can work together via a hinge assembly; and a bidirectional adjustment mechanism, including an adjustment rod 30 with forward and reverse threaded sections. The forward threaded section of the rod forms a threaded pair with the free end of the arc-shaped gripper A201, and the reverse threaded section forms a threaded pair with the free end of the arc-shaped gripper B202. The two grippers are driven to move synchronously in opposite directions or in opposite directions by rotating the adjustment rod.

[0024] The arc-shaped gripper A201 and arc-shaped gripper B202 form a variable-diameter clamping cavity, and the clamping distance is controlled by the rotation direction of the adjusting rod 30 to realize the clamping or releasing operation of the nylon roller.

[0025] Furthermore, the free end of the arc-shaped gripper A201 is hinged and fixed with a movable block A2011, the free end of the arc-shaped gripper B202 is hinged and fixed with a movable block B2021, the forward threaded section of the adjusting rod 30 is threadedly connected to the movable block A2011, and the reverse threaded section is threadedly connected to the movable block B2021.

[0026] Furthermore, a rotating column 101 is coaxially and rotatably mounted on the top of the support column 10. A rack 1015 is provided on the surface of the rotating column 101 extending axially. An adjusting seat 1011 is slidably sleeved on the outer periphery of the rotating column 101. It has a gear and worm gear assembly that are interconnected inside. The gear 1012 meshes with the rack 1015 to form a transmission, and the worm gear 1013 is fixed to the gear shaft end and forms a helical transmission pair with the worm 1014. The axial position of the adjusting seat 1011 on the rotating column 101 can be precisely adjusted by the rotation drive of the worm 1014. The base of the connecting arm 20 is fixedly installed on the adjusting seat 1011. This arrangement can facilitate the adjustment of the placement height position after the nylon roller is clamped.

[0027] Furthermore, in order to provide the nylon roller with a greater horizontal adjustment range, the connecting arm 20 adopts a multi-stage hinge structure, including a first connecting arm 203 and a second connecting arm 204 that are hinged to each other; wherein the front end of the first connecting arm 203 is connected to the arc-shaped gripper A201 and the arc-shaped gripper B202 respectively through a rotary joint, and its rear end is hinged to the second connecting arm 204 at an adjustable angle; the end of the second connecting arm 204 is fixedly connected to the adjusting seat 1011, forming a three-degree-of-freedom transmission chain from the adjusting seat to the gripper.

[0028] Furthermore, in order to facilitate the rotation of the adjusting rod 30, a handle 301 is bolted to the adjusting rod 30.

[0029] In use, place the nylon roller that needs to be disassembled between the arc-shaped grippers A and B. Adjust the distance between the arc-shaped grippers A and B by rotating the adjusting rod 30 to clamp the nylon roller. Then, adjust the worm gear 1014 on the adjusting seat 1011 to change the position of the adjusting seat 1011 on the rack 1015, thereby adjusting the nylon roller to a suitable position. Finally, adjust the position of the connecting arm 20 according to the disassembly and assembly requirements so that the nylon roller meets the disassembly and assembly requirements.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A nylon roll clamping device characterized by, include: Support column (10) serves as the fixed base of the device; The connecting arm (20) has one end axially rotatably connected to the support column (10), and the other end is symmetrically equipped with arc-shaped grippers A (201) and arc-shaped grippers B (202) that can work together via a hinge assembly. The bidirectional adjustment mechanism includes an adjustment rod (30) with forward and reverse threaded sections. The forward threaded section is engaged with the free end of the arc-shaped jaw A (201), and the reverse threaded section is engaged with the free end of the arc-shaped jaw B (202). The two jaws are driven to move synchronously in opposite directions by rotating the adjustment rod. The arc-shaped gripper A (201) and the arc-shaped gripper B (202) form a variable diameter clamping cavity, and the clamping distance is controlled by the rotation direction of the adjusting rod (30) to realize the clamping or loosening operation of the nylon roller.

2. The nylon roller clamp apparatus of claim 1, wherein, The free end of the arc-shaped gripper A (201) is hinged and fixed with a movable block A (2011), and the free end of the arc-shaped gripper B (202) is hinged and fixed with a movable block B (2021). The forward threaded section of the adjusting rod (30) is threadedly connected to the movable block A (2011), and the reverse threaded section is threadedly connected to the movable block B (2021).

3. The nylon roller clamp apparatus of claim 1, wherein, The top of the support column (10) is rotatably mounted with a rotating column (101) on the same axis. A rack (1015) is provided on the surface of the rotating column (101) extending axially. The adjusting seat (1011) is slidably sleeved on the outer periphery of the rotating column (101). It has a gear and worm gear assembly that are linked to each other. The gear (1012) and the rack (1015) form a meshing transmission. The worm gear (1013) is fixed to the end of the gear shaft and forms a helical transmission pair with the worm (1014). The axial position of the adjusting seat (1011) on the rotating column (101) can be precisely adjusted by the rotation drive of the worm (1014). The base of the connecting arm (20) is fixedly installed on the adjusting seat (1011).

4. The nylon roller clamp apparatus of claim 3, wherein, The connecting arm (20) adopts a multi-stage hinge structure, including a first connecting arm (203) and a second connecting arm (204) that are hinged to each other; wherein the front end of the first connecting arm (203) is connected to the arc-shaped gripper A (201) and the arc-shaped gripper B (202) respectively through a rotary joint, and its rear end is hinged to the second connecting arm (204) at an adjustable angle; the end of the second connecting arm (204) is fixedly connected to the adjusting seat (1011).

5. The nylon roller clamp apparatus of claim 1, wherein, A handle (301) is fixedly connected to the adjusting rod (30).

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