Tension band locking device

Abstract

The utility model relates to the technical field of steel cord production, in particular to a tension band locking device which comprises a tension swing rod, a tension band locking device and a tension band locking device. The locking seat is arranged on one side of the friction disc; the first end of the friction belt is connected to the tension swing rod, the second end of the friction belt is connected to the locking seat, the friction belt bypasses the outer wall of the friction disc, and when the tension swing rod rotates around the hinged end, the pressure between the friction belt and the friction disc is changed. The locking seat is composed of the first locking block and the second locking block which are oppositely combined, the position of the sliding block is controlled through the bolt between the first locking block and the second locking block, the tension is finely adjusted, after the position is determined, the bolt can be pressed by the first locking block and the second locking block, so that threads do not rotate any more in the vibration environment, and the tension is adjusted. And the position of the tension band fixing end is reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel cord production technical field, and particularly to tension belt locking device. BACKGROUND

[0002] In steel cord production, tension control is one of the most critical control points of product quality, and stable and appropriate unwinding tension is the key to product quality, and the most important of tension control is the use stability of tension belt (friction belt), which is the stability between tension belt and unwinding shaft friction disc, and the stability of tension belt itself.

[0003] The tension belt is usually installed around the unwinding shaft friction disc, and the tension size and stability are controlled through the friction between the tension belt and the unwinding shaft, and one end of the tension belt must be fixed on the base fixed point as the fixed end, and the other end is usually connected to the tension control lever or tension spring.

[0004] At present, the tension size of the tension belt is adjusted through the screw adjustment of the fixed end, but the vibration of the combination of the screw and the nut during the operation of the vehicle platform may cause the nut to be sent away and thus displace, resulting in the change of the tension.

[0005] Therefore, how to keep the tension belt stable through the fixed end under high-frequency vibration is a problem to be solved. UTILITY MODEL CONTENTS

[0006] In view of the technical problems existing in the tension belt locking device in the prior art, the first aspect of the utility model provides a tension belt locking device, which comprises:

[0007] A tension lever, the first end of the tension lever is a hinged end, and the second end is a driving end;

[0008] A locking seat is arranged on one side of the friction disc;

[0009] A friction belt, the first end of the friction belt is connected to the tension lever, the second end of the friction belt is connected to the locking seat, and the friction belt passes around the outer wall of the friction disc, when the tension lever rotates around the hinged end, the pressure between the friction belt and the friction disc changes;

[0010] The locking seat comprises a first locking block and a second locking block opposite to each other, the first locking block and the second locking block are both provided with a sliding groove, a sliding block is arranged in the sliding groove, the first end of the sliding block is connected to the friction belt, and the second end of the sliding block is connected to a bolt, the bolt is arranged in the gap between the first locking block and the second locking block, and the bolt is threadedly connected with the first locking block and the second locking block, when the bolt is rotated, the sliding block slides in the sliding groove, the position of the second end of the friction belt changes, the first locking block and the second locking block are connected through a threaded fastener, and the bolt in the gap is compressed.

[0011] Preferably, the chute is configured in a rectangular shape, and one end of the chute has an open opening.

[0012] Preferably, the slider is configured to include a first part and a second part, the first part of the slider is a cuboid structure, and an outer wall of the first part is attached to an inner wall of the chute and can slide along a length direction of the chute.

[0013] Preferably, the first part of the slider is provided with a T-shaped groove, and a head of the bolt extends into the T-shaped groove, so that the bolt can rotate relative to the slider and keep fixed in an axial direction.

[0014] Preferably, the second part of the slider is provided with a first connecting structure, and the second end of the friction belt is provided with a second connecting structure, and the first connecting structure and the second connecting structure are clamped to each other.

[0015] Preferably, a plurality of screw holes are arranged on the first locking block and the second locking block, the screw holes are distributed on both sides of an extension direction of the chute, and a threaded fastener passes through the screw holes and is used for pressing the first locking block and the second locking block.

[0016] Preferably, the first locking block and the second locking block are provided with threaded grooves on end faces opposite to each other and corresponding to positions of the bolt, and the bolt is threadedly connected with the threaded grooves.

[0017] Preferably, a hexagonal socket is arranged at a bottom of the bolt.

[0018] Preferably, an opening direction of the chute is tangent to an outer edge of the friction disc.

[0019] Preferably, the friction belt includes a chain type friction belt.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] The locking seat is composed of the first locking block and the second locking block opposite to each other, the first locking block and the second locking block are provided with the chute, the slider of the fixed end of the friction belt is in the chute, the position of the slider is controlled by the bolt between the first locking block and the second locking block, the tension is finely adjusted, when the position is determined, the first locking block and the second locking block can press the bolt, so that the thread does not rotate in a vibration environment, and the position of the fixed end of the tension belt is reliable. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures can be represented by a like numeral. For purposes of clarity, not every component can be called out in every drawing. There will now be described, by way of example, various aspects of the present application with reference to the accompanying drawings in which:

[0023] Figure 1 is a structural schematic view of the tension belt locking device shown in the present application;

[0024] Figure 2 is a structural schematic view of the locking seat shown in the present application. DETAILED DESCRIPTION

[0025] In order to better understand the technical content of the present application, specific embodiments are described below in conjunction with the accompanying drawings.

[0026] In combination with Figure 1 the present application, a first aspect of the present application proposes a tension belt locking device, comprising a tension swing lever 10, a locking seat 40 and a friction belt 20, the first end of the tension swing lever 10 is a hinged end 11, the second end is a driving end 12, and the locking seat 40 is arranged on one side of the friction disc 30.

[0027] The first end of the friction belt 20 is connected to the tension swing lever 10, the second end is connected to the locking seat 40, and the friction belt 20 passes around the outer wall of the friction disc 30, wherein the arrangement position of the tension swing lever 10 and the locking seat 40 should satisfy that the surrounding angle of the friction belt 20 on the outer wall of the friction disc 30 is greater than a preset value, for example, greater than or equal to 150°, so that the contact surface of the friction belt 20 and the friction disc 30 is larger, and better tension control effect is achieved.

[0028] Optionally, the friction belt 20 comprises a chain type friction belt, the main body is a metal chain, and wear-resistant friction blocks are arranged on one side of the metal chain, and the wire paying-off shaft in the center of the friction disc 30 is controlled in tension by the contact of the friction blocks and the friction disc 30.

[0029] As Figure 1 shown, when the tension swing lever 10 rotates around the hinged end 11, especially when the driving end 12 moves to the left side, the contact pressure between the friction belt 20 and the friction disc 30 increases, and when the driving end 12 moves to the right side, the contact pressure between the friction belt 20 and the friction disc 30 decreases.

[0030] In combination with Figure 2 the present application, the locking seat 40 comprises a first locking block 41 and a second locking block 42 that are mutually opposite, the first locking block 41 and the second locking block 42 are both provided with a sliding groove 401, and the positions of the sliding grooves 401 correspond when the first locking block 41 and the second locking block 42 are mutually opposite.

[0031] Further, the sliding block 43 is arranged in the sliding groove 401, the first end of the sliding block 43 is connected with the friction belt 20, and the second end of the sliding block 43 is connected with the bolt 44, the bolt 44 is arranged in the gap 403 between the first locking block 41 and the second locking block 42, and the bolt 44 is threadedly connected with the first locking block 41 and the second locking block 42.

[0032] Thus, when the bolt 44 is rotated, the sliding block 43 slides in the sliding groove 401, so that the position of the second end of the friction belt 20 is changed, and the position of the second end (fixed end) of the friction belt 20 can be adjusted by rotating the bolt 44, wherein the first locking block 41 and the second locking block 42 are connected by a threaded fastener, so that the bolt 44 in the gap 403 is compressed, and thus, after the position of the second end (fixed end) of the friction belt 20 is adjusted, the first locking block 41 and the second locking block 42 are compressed by the threaded fastener, so as to avoid the loosening of the bolt 44 caused by the vibration of the machine, and to ensure that the fixed end of the friction belt 20 is in a predetermined position.

[0033] Further, the sliding groove 401 is configured in a rectangular shape, and one end of the sliding groove 401 has an open opening. Moreover, the opening direction of the sliding groove 401 is tangent to the outer edge of the friction disc 30.

[0034] Thus, during the adjustment of the position of the second end of the friction belt 20, the tangent angle between the friction belt 20 and the friction disc 30 remains unchanged.

[0035] Further, the sliding block 43 is configured to include a first part 431 and a second part 432, the first part 431 of the sliding block 43 is a cubic structure, the outer wall of which is in close contact with the inner wall of the sliding groove 401, and the sliding block 43 can slide along the length direction of the sliding groove 401.

[0036] Especially, the first part 431 of the sliding block 43 is provided with a T-shaped groove 433, and the head of the bolt 44 extends into the T-shaped groove 433.

[0037] Thus, the head of the bolt 44 extends into the T-shaped groove 433, and the bolt 44 can be rotated relative to the sliding block 43 through the engagement of the T-shaped groove 433 and the head of the bolt 44, while being fixed in the axial direction.

[0038] Further, the end faces of the first locking block 41 and the second locking block 42, which are opposite to each other, are provided with threaded grooves 403 corresponding to the positions of the bolt 44, and the bolt 44 is threadedly connected with the threaded grooves 403.

[0039] Preferably, the bottom of the bolt 44 is provided with an internal hexagonal hole. When the bolt 44 is rotated by using a tool, the bolt 44 is threadedly connected with the first locking block 41 and the second locking block 42, so that the bolt 44 moves in the axial direction, and the sliding block 43 slides in the sliding groove 401 through the axial movement of the bolt 44.

[0040] In an optional embodiment, the second part 432 of the slider 43 is provided with a first connecting structure, and the second end of the friction belt 20 is provided with a second connecting structure, the first connecting structure and the second connecting structure are mutually clamped.

[0041] Optionally, the first connecting structure and the second connecting structure are a shaft and a connecting plate with a shaft hole, and the clamping is realized by the clamping of the shaft and the shaft hole.

[0042] Further, a plurality of screw holes are arranged on the first locking block 41 and the second locking block 42, the screw holes are distributed on both sides of the extension direction of the sliding groove 401, and a threaded fastener passes through the screw holes and is used for pressing the first locking block 41 and the second locking block 42.

[0043] Optionally, the threaded fastener is a bolt, which can be connected to a machine table through the first locking block 41 and the second locking block 42.

[0044] In combination with the above embodiments, the locking seat of the utility model is composed of the mutually opposite first locking block and the second locking block, the first locking block and the second locking block are provided with the sliding groove, the slider of the fixed end of the friction belt is in the sliding groove, the position of the slider is controlled by the bolt between the first locking block and the second locking block, the tension is finely adjusted, when the position is determined, the first locking block and the second locking block can press the bolt, so that the screw thread no longer rotates in the vibration environment, and the position of the fixed end of the tension belt is reliable.

[0045] Although the utility model has been disclosed as above with preferred embodiments, it is not used to limit the utility model. Those skilled in the art of the utility model can make various changes and decorations without departing from the spirit and scope of the utility model. Therefore, the protection scope of the utility model is defined by the claims.

Claims

1. A tension band locking device, characterized by, The application relates to a tension pendulum rod (10) with a hinged end (11) at a first end and a driving end (12) at a second end, a locking seat (40) arranged on one side of a friction disc (30), a friction belt (20) connected to the tension pendulum rod (10) at a first end and connected to the locking seat (40) at a second end, and the friction belt (20) passing around the outer wall of the friction disc (30) and changing the pressure between the friction belt (20) and the friction disc (30) when the tension pendulum rod (10) rotates around the hinged end (11). The locking seat (40) comprises a first locking block (41) and a second locking block (42) opposite to each other, the first locking block (41) and the second locking block (42) are provided with sliding grooves (401), the sliding grooves (401) are provided with sliding blocks (43), the first end of the sliding block (43) is connected to the friction belt (20), the second end of the sliding block (43) is connected to a bolt (44), the bolt (44) is arranged in a gap (403) between the first locking block (41) and the second locking block (42), the bolt (44) is screwed with the first locking block (41) and the second locking block (42), when the bolt (44) is rotated, the sliding block (43) slides in the sliding groove (401), the position of the second end of the friction belt (20) changes, the first locking block (41) and the second locking block (42) are connected by a threaded fastener, and the bolt (44) in the gap (403) is compressed. The sliding groove (401) is configured in a rectangular shape, and one end of the sliding groove (401) has an open opening. The sliding block (43) is configured to comprise a first part (431) and a second part (432), the first part (431) of the sliding block (43) is a cubic structure, the outer wall of the first part (431) is matched with the inner wall of the sliding groove (401), and the first part (431) can slide in the sliding groove (401) along the length direction of the sliding groove (401). The first part (431) of the sliding block (43) is provided with a T-shaped groove (433), the head of the bolt (44) is inserted into the T-shaped groove (433), the bolt (44) can rotate relative to the sliding block (43), and the axial direction is fixed.

2. The tension band locking device of claim 1, wherein, The second part (432) of the sliding block (43) is provided with a first connecting structure, the second end of the friction belt (20) is provided with a second connecting structure, and the first connecting structure and the second connecting structure are clamped with each other.

3. The tension band locking device of claim 1, wherein A plurality of screw holes are arranged on the first locking block (41) and the second locking block (42), the screw holes are distributed on both sides of the extension direction of the sliding groove (401), the threaded fastener passes through the screw holes, and the first locking block (41) and the second locking block (42) are compressed.

4. The tension band locking device of claim 3, wherein, The end faces of the first locking block (41) and the second locking block (42) opposite to each other are provided with threaded grooves (403) corresponding to the positions of the bolt (44), and the bolt (44) is screwed with the threaded grooves (403).

5. The tension band locking device of claim 3, wherein, The bottom of the bolt (44) is provided with an internal hexagonal hole.

6. The tension band locking device of claim 1, wherein The opening direction of the sliding groove (401) is tangent to the outer edge of the friction disc (30).

7. The tension band locking device of claim 1, wherein ​ 8. The tension band locking device of claim 1, wherein, ​ 9. The tension band locking device of claim 2, wherein, ​ 10. The tension band locking device of claim 1, wherein, The friction belt (20) comprises a chain friction belt.

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