Tension roller adjusting device for crimping machine

Abstract

The utility model discloses a tension roller adjusting device for a crimping machine, which comprises two supports, the tops of the two supports are fixedly connected with cross rods, sliding grooves are formed in the cross rods, the two sides in the sliding grooves are respectively connected with adjusting sliding blocks in a sliding mode, a first tension roller and a second tension roller are respectively connected between the adjusting sliding blocks in a rotating mode, and the first tension roller and the second tension roller are arranged on the two sides of the sliding grooves in a sliding mode. Adjusting assemblies are fixedly connected to the bottoms of the adjusting sliding blocks, movable seats are hinged to the bottoms of the adjusting assemblies, the middle of the bottom end of each movable seat is fixedly connected with one end of a multi-stage air cylinder, the other end of each multi-stage air cylinder is fixedly connected with the middle of the top end of a bottom supporting plate, and the two ends of the bottom supporting plate are fixedly connected with supports correspondingly. The multi-stage air cylinder drives the adjusting assemblies to work, the adjusting assemblies adjust the distance between the tension rollers, then tension adjustment is achieved, the adjusting assemblies form a triangular structure, the tension rollers are supported more stably, and meanwhile the overall structure is simple, adjustment is stable, and cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of curling machines, in particular to a tension roller adjusting device for a curling machine. Background Art

[0002] The crimping machine is the most critical equipment on the post-processing production line of chemical fiber staple fibers. It is a device that curls and deforms the chemical fiber staple fiber bundles being processed based on the mechanical crimping principle. The tension roller converts the torque acted on it by the driving device into the strip tension through the friction between the roller surface and the strip. The number and arrangement of the tension rollers depend on the maximum tensile force required by the strip and the site conditions. The tension rollers used on the existing crimping machines are generally not convenient to adjust. In this regard, a Chinese patent with publication number CN214193579U discloses a tension roller adjustment device for a crimping machine, which belongs to the technical field of adjustment devices. The tension roller adjustment device for the crimping machine includes a motor, an output end of the motor is fixedly connected to a rotating shaft, one end of the rotating shaft is fixedly installed with a driving gear, the outer side surface of the driving gear is rotatably connected to a driven gear, one side of the driven gear is fixedly connected to an adjusting rod, and the outer side surface of the adjusting rod is fixedly installed with a first bearing.

[0003] The device requires the simultaneous rotation of two threaded adjustment rods to adjust the tension roller. The structure is relatively complex, the synchronization rate is high, and the practicality is poor. Therefore, we propose a tension roller adjustment device for a curling machine to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a tension roller adjusting device for a crimping machine to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tension roller adjustment device for a curling machine, comprising two brackets, the tops of the two brackets are fixedly connected to a cross bar, a slide groove is provided in the cross bar, both sides of the slide groove are slidably connected with adjustment sliders, the adjustment sliders are rotatably connected to tension roller one and tension roller two respectively, the bottoms of the adjustment sliders are fixedly connected to an adjustment component, the bottom of the adjustment component is hinged on a movable seat, the middle of the bottom end of the movable seat is fixedly connected to one end of a multi-stage cylinder, the other end of the multi-stage cylinder is fixedly connected to the middle of the top end of a bottom support plate, and the two ends of the bottom support plate are respectively fixedly connected to the brackets.

[0006] Preferably, four adjusting sliders are provided and are symmetrically arranged in pairs.

[0007] Preferably, the tension roller one and the tension roller two are symmetrically arranged parallel to each other.

[0008] Preferably, a side sliding opening is opened on one side of the slide groove, the side sliding openings are arranged opposite to each other, and a bottom sliding opening is opened at the bottom of the slide groove.

[0009] Preferably, the adjustment assembly includes an articulated seat 1, a connecting rod 1, an articulated seat 2, a connecting rod 2, and a connecting shaft. The articulated seat 1 is fixedly installed on the bottom of the adjustment slider connected to the tension roller 1, and the articulated seat 2 is fixedly installed on the bottom of the adjustment slider connected to the tension roller 2. The articulated seat 1 is hinged to one end of the connecting rod 1, and the articulated seat 2 is hinged to one end of the connecting rod 2. The other ends of the connecting rod 1 and the connecting rod 2 are cross-arranged and respectively articulated to the connecting shaft, and the two ends of the connecting shaft are respectively fixedly connected to the movable seat.

[0010] Preferably, the movable seat and the bracket are both of U-shaped structure, and the connecting rod 1 and the connecting rod 2 are symmetrically arranged on both sides of the connecting shaft.

[0011] Compared with the prior art, the beneficial effects of the utility model are: the adjustment component is driven to work by a multi-stage cylinder, the adjustment component adjusts the distance between the tension rollers, and then realizes the adjustment of the tension. The adjustment component forms a triangular structure, which provides more stable support for the tension roller. At the same time, the overall structure is simple, the adjustment is stable, and the cost is relatively low. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a structural schematic diagram of the utility model from another viewing angle.

[0014] In the figure: bracket 1, cross bar 2, slide groove 3, side slide 31, bottom slide 32, adjustment slider 4, tension roller 1 5, adjustment assembly 6, articulated seat 1 61, connecting rod 1 62, articulated seat 2 63, connecting rod 2 64, connecting shaft 65, movable seat 7, multi-stage cylinder 8, bottom support plate 9, tension roller 2 10. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0016] Reference Figure 1 , 2, which is the first embodiment of the utility model, and this embodiment provides a tension roller adjustment device for a curling machine, including two brackets 1, the tops of the two brackets 1 are fixedly connected to a cross bar 2, a slide groove 3 is provided in the cross bar 2, both sides of the slide groove 3 are slidably connected with an adjustment slider 4, the adjustment sliders 4 are rotatably connected to the tension roller 1 5 and the tension roller 2 10, the bottom of the adjustment slider 4 is fixedly connected with an adjustment component 6, the bottom of the adjustment component 6 is hinged to a movable seat 7, the middle of the bottom end of the movable seat 7 is fixedly connected to one end of a multi-stage cylinder 8, the other end of the multi-stage cylinder 8 is fixedly connected to the middle of the top end of a bottom support plate 9, and the two ends of the bottom support plate 9 are fixedly connected to the bracket 1 respectively.

[0017] When adjusting the tension, the multi-stage cylinder 8 works, driving the movable seat 7 fixed at the end to move, the movable seat 7 drives the adjusting component 6 to work, the adjusting component 6 drives the adjusting slider 4 to move in the slide groove 3, the adjusting sliders 4 are driven by the adjusting component 6 to move away from or approach each other, and the adjusting slider 4 then drives the rotationally connected tension roller 1 5 and tension roller 2 10 to move away from or approach each other, thereby changing the tension. Example 2

[0018] Reference Figure 1-2 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment. Specifically, four adjusting sliders 4 are provided and are symmetrically arranged in pairs. Adjusting sliders 4 are respectively slidably arranged on both sides of a single cross bar 2, and the cross bars 2 are symmetrically arranged in parallel, and then the adjusting sliders 4 slidably arranged in the two cross bars 2 are respectively rotatably connected to the tension roller 1 5 and the tension roller 2 10.

[0019] Specifically, the tension roller 1 5 and the tension roller 2 10 are symmetrically arranged parallel to each other, and are arranged in parallel, so that when the tension roller 1 5 and the tension roller 2 10 change the interval, the tension adjustment operation is achieved.

[0020] Specifically, a side sliding opening 31 is opened on one side of the slide groove 3, and the side sliding openings 31 are arranged opposite to each other. The oppositely arranged side sliding openings 31 provide moving space for the movement of the tension roller 1 5 and the tension roller 2 10. A bottom sliding opening 32 is opened at the bottom of the slide groove 3. The setting of the bottom sliding opening 32 provides moving space for the adjustment component 6.

[0021] Specifically, the adjustment component 6 includes an articulated seat 61, a connecting rod 62, an articulated seat 63, a connecting rod 64, and a connecting shaft 65. The articulated seat 61 is fixedly installed at the bottom of the adjustment slider 4 connected to the tension roller 5, the articulated seat 63 is fixedly installed at the bottom of the adjustment slider 4 connected to the tension roller 10, the articulated seat 61 is hinged to one end of the connecting rod 62, the articulated seat 63 is hinged to one end of the connecting rod 64, the other ends of the connecting rod 62 and the connecting rod 64 are cross-arranged and respectively articulated to the connecting shaft 65, and the two ends of the connecting shaft 65 are respectively fixedly connected to the movable seat 7.

[0022] Furthermore, the movable seat 7 and the bracket 1 are both of U-shaped structure, and the connecting rod 1 62 and the connecting rod 2 64 are symmetrically arranged on both sides of the connecting shaft 65 .

[0023] The multi-stage cylinder 8 works, driving the movable seat 7 fixed at the end to lift or lower, the movable seat 7 drives the adjustment component 6 to work, the cross-arranged connecting rods 1 62 and 2 64 of the adjustment component 6 are opened or retracted, the connecting rods 1 62 and 2 64 further drive the hinged seat 1 61 and 2 63 hinged at the end to move, the hinged seat 1 61 and 2 63 drive the fixed adjustment slider 4 to move in the slide groove 3, the adjustment sliders 4 move away from or closer to each other, the adjustment slider 4 further drives the rotationally connected tension roller 1 5 and tension roller 2 10 to move away from or closer to each other, thereby realizing the tension adjustment operation. Example 3

[0024] Reference Figure 1-2 , which is the third embodiment of the utility model. This embodiment is based on the above two embodiments. When the tension is adjusted, the multi-stage cylinder 8 works to drive the movable seat 7 fixed at the end to lift, and the movable seat 7 drives the adjustment component 6 to work. The connecting rod 1 62 and the connecting rod 2 64 cross-arranged in the adjustment component 6 are opened, and the connecting rod 1 62 and the connecting rod 2 64 further drive the hinged seat 1 61 and the hinged seat 2 63 at the end to move, and the hinged seat 1 61 and the hinged seat 2 63 drive the fixed adjustment slider 4 to move in the slide groove 3, and the adjustment sliders 4 move away from each other, and the adjustment slider 4 further drives the rotating connection The tension roller 1 5 and the tension roller 2 10 move away from each other. When the multi-stage cylinder 8 descends, the movable seat 7 is driven to descend synchronously. The movable seat 7 drives the connecting rod 1 62 and the connecting rod 2 64 cross-arranged in the adjustment component 6 to be recovered. The connecting rod 1 62 and the connecting rod 2 64 further drive the articulated seat 1 61 and the articulated seat 2 63 hinged at the end to move. The articulated seat 1 61 and the articulated seat 2 63 drive the fixed adjustment slider 4 to move in the slide groove 3. The adjustment sliders 4 approach each other. The adjustment slider 4 further drives the rotationally connected tension roller 1 5 and the tension roller 2 10 to approach each other, thereby changing the tension.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tension roller adjustment device for a crimping machine, comprising two brackets (1), characterized in that: The tops of the two brackets (1) are fixedly connected to a cross bar (2), a slide groove (3) is provided in the cross bar (2), both sides of the slide groove (3) are slidably connected to an adjustment slider (4), the adjustment sliders (4) are rotatably connected to a tension roller 1 (5) and a tension roller 2 (10), the bottoms of the adjustment sliders (4) are fixedly connected to an adjustment assembly (6), the bottom of the adjustment assembly (6) is hinged to a movable seat (7), the middle of the bottom end of the movable seat (7) is fixedly connected to one end of a multi-stage cylinder (8), the other end of the multi-stage cylinder (8) is fixedly connected to the middle of the top end of a bottom support plate (9), and the two ends of the bottom support plate (9) are fixedly connected to the bracket (1).

2. A tension roller adjustment device for a crimping machine according to claim 1, characterized in that: The adjusting slide blocks (4) are provided with four and are arranged symmetrically in pairs.

3. The tension roller adjustment device for a crimping machine according to claim 1, characterized in that: The tension roller one (5) and the tension roller two (10) are symmetrically arranged parallel to each other.

4. The tension roller adjustment device for a crimping machine according to claim 1, characterized in that: A side sliding opening (31) is provided on one side of the sliding groove (3), the side sliding openings (31) are arranged opposite to each other, and a bottom sliding opening (32) is provided at the bottom of the sliding groove (3).

5. The tension roller adjustment device for a crimping machine according to claim 1, characterized in that: The adjustment assembly (6) comprises an articulated seat 1 (61), a connecting rod 1 (62), an articulated seat 2 (63), a connecting rod 2 (64), and a connecting shaft (65); the articulated seat 1 (61) is fixedly mounted on the bottom of an adjustment slider (4) connected to the tension roller 1 (5); the articulated seat 2 (63) is fixedly mounted on the bottom of an adjustment slider (4) connected to the tension roller 2 (10); the articulated seat 1 (61) is articulated to one end of the connecting rod 1 (62); the articulated seat 2 (63) is articulated to one end of the connecting rod 2 (64); the other ends of the connecting rod 1 (62) and the connecting rod 2 (64) are cross-arranged and are respectively articulated to the connecting shaft (65); and the two ends of the connecting shaft (65) are respectively fixedly connected to the movable seat (7).

6. A tension roller adjustment device for a crimping machine according to claim 5, characterized in that: The movable seat (7) and the bracket (1) are both of U-shaped structure, and the connecting rod 1 (62) and the connecting rod 2 (64) are symmetrically arranged on both sides of the connecting shaft (65).

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