Tension adjusting device for PVC conveying belt coating production line

Abstract

The utility model discloses a tension adjusting device for a PVC (polyvinyl chloride) conveying belt coating production line, which comprises a tension adjusting rack, a winding fixing roller and a tension adjusting roller are respectively mounted on the tension adjusting rack, and the tension adjusting roller is of a movable adjusting structure. And the tension adjusting roller adjusts the coating operation tension by changing the relative position of the tension adjusting roller and the winding fixing roller. The horizontal position of the tension adjusting roller can be adjusted in a sliding mode by arranging the fixed sliding rail to be matched with the positioning sliding block structure, the rodless air cylinder structure is installed on the positioning sliding block to be matched with the lifting sliding block structure, and therefore the installation height of the tension adjusting roller can be rapidly positioned and adjusted. The tension adjusting device can be further used for adjusting the coating operation tension by changing the relative position of the tension adjusting roller and the winding and covering fixing roller, the tension degree of the PVC conveying belt connected between the two rollers is promoted to be changed, and therefore the advantage that tension adjusting is convenient and fast is achieved, and meanwhile the whole device is easy and convenient to install and detach and low in assembly cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to the production technology field of coating of conveying belt, concretely is a PVC conveying belt coating production line tension adjusting device. BACKGROUND

[0002] The conveying belt needs to bond various films on the conveying belt to achieve the required performance during production, and when coating the conveying belt, the conveying belt is wound on the roller, and the surface of the conveying belt is bonded by the adhesive roller, but the tension of the conveying belt will become smaller and loose during long-time coating, thereby affecting the coating effect of the conveying belt.

[0003] The Chinese patent document with the authorization announcement number CN212711987U discloses a conveying belt coating production line tension adjusting device, which comprises a bottom plate, vertical plates are fixedly installed on the left and right ends of the upper surface of the bottom plate, a cylindrical rod is rotationally connected to one side of the vertical plate through a bearing, a vertical plate is fixedly connected between the upper surface of the bottom plate and the vertical plate, a sliding groove is formed in one side of the vertical plate, a sliding block is arranged in the sliding groove, a cylindrical barrel is fixedly connected to one side of the sliding block, a hollow cylindrical rod is fixedly connected to the bottom surface of the sliding block, a nut is fixedly connected inside the hollow cylindrical rod, the nut is threadedly connected with a lead screw, a tapered gear is clamped to the bottom end of the lead screw, and the tapered gear is meshingly connected with a circular gear. The device can conveniently adjust the tension of the conveying belt during the coating process, the sliding groove and the sliding block are arranged inside the vertical plate, the cylindrical barrel can move up and down, the lead screw is arranged, the position of the cylindrical barrel can be conveniently controlled, and the tension of the conveying belt can be adjusted.

[0004] The above-mentioned prior art adjusts the tension of the PVC conveying belt, which has the problems of complicated adjustment operation and inconvenient operation, and therefore a novel PVC conveying belt coating production line tension adjusting device needs to be developed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a PVC conveying belt coating production line tension adjusting device to solve the problems of complicated adjustment operation and inconvenient operation of the prior art in adjusting the tension of the PVC conveying belt.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a PVC conveying belt coating production line tension adjusting device, which comprises a tension adjusting rack, a winding and fixing roller and a tension adjusting roller are respectively installed on the tension adjusting rack, the tension adjusting roller is of a movable adjusting structure, and the tension adjusting roller adjusts the coating operation tension by changing the relative position with the winding and fixing roller.

[0007] Preferably, the inner side wall of the tension adjusting frame is provided with a fixed slide rail, the two ends of the tension adjusting roller are provided with positioning sliding blocks, and the tension adjusting roller slides horizontally along the surface of the fixed slide rail through the positioning sliding blocks.

[0008] Preferably, the inner side wall of the tension adjusting frame is provided with a fixed slide rail, the two ends of the tension adjusting roller are provided with positioning sliding blocks, and the tension adjusting roller slides horizontally along the surface of the fixed slide rail through the positioning sliding blocks.

[0009] Preferably, the inner side wall of the tension adjusting frame is provided with a fixed slide rail, the two ends of the tension adjusting roller are provided with positioning sliding blocks, and the tension adjusting roller slides horizontally along the surface of the fixed slide rail through the positioning sliding blocks.

[0010] Preferably, the inner side wall of the tension adjusting frame is provided with a fixed slide rail, the two ends of the tension adjusting roller are provided with positioning sliding blocks, and the tension adjusting roller slides horizontally along the surface of the fixed slide rail through the positioning sliding blocks.

[0011] Preferably, the inner side wall of the tension adjusting frame is provided with a fixed slide rail, the two ends of the tension adjusting roller are provided with positioning sliding blocks, and the tension adjusting roller slides horizontally along the surface of the fixed slide rail through the positioning sliding blocks.

[0012] Preferably, the inner side wall of the tension adjusting frame is provided with a fixed slide rail, the two ends of the tension adjusting roller are provided with positioning sliding blocks, and the tension adjusting roller slides horizontally along the surface of the fixed slide rail through the positioning sliding blocks.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a fixed slide rail cooperation positioning sliding block structure can be slid to adjust the horizontal position of the tension adjusting roller, the no -rod air cylinder structure cooperation lifting slide block structure is installed on the positioning sliding block, thereby can position the installation height of tension adjusting roller fast -adjusting, further can be used for changing the relative position of tension adjusting roller and roll -up fixed roller to adjust the coating operation tension, make the tension of the PVC conveying belt connected between two machine rollers change, thereby reach the convenient and quick advantage of tension adjustment, and the whole device installation dismantles simple and convenient, and the assembling cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the whole structure schematic view of the utility model;

[0016] Fig. 2 It is the front end structure schematic view of the utility model;

[0017] Fig. 3 It is the tension adjusting roller installation structure schematic view of the utility model.

[0018] In the figure: 1, support base; 2, tension adjusting frame; 3, servo motor; 4, winding fixing roller; 5, control handle; 6, threaded slot; 7, fixed slide rail; 8, positioning sliding block; 9, rodless cylinder; 10, lifting sliding block; 11, tension adjusting roller; 12, coupling; 13, transmission shaft; 14, limiting bolt; 15, fixed slide hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] Please refer to Figs. 1-3 The utility model provides an embodiment: a PVC conveying belt coating production line tension adjusting device, including tension adjusting frame 2, tension adjusting frame 2 is installed respectively with winding fixing roller 4 and tension adjusting roller 11, and tension adjusting roller 11 is movable adjusting type structure, and tension adjusting roller 11 adjusts coating operation tension by changing the relative position with winding fixing roller 4.

[0021] Further, the inner side wall of the tension adjusting frame 2 is provided with a fixed slide rail 7, and the two ends of the tension adjusting roller 11 are provided with positioning sliding blocks 8. The tension adjusting roller 11 is adjusted by sliding along the surface of the fixed slide rail 7 through the positioning sliding blocks 8.

[0022] Further, the inside of the positioning sliding block 8 is provided with a fixed slide hole 15. The positioning sliding block 8 is connected with the fixed slide rail 7 in a sliding manner through the fixed slide hole 15, so that the horizontal position of the tension adjusting frame 2 can be quickly positioned and adjusted.

[0023] Further, the front end surface of the positioning sliding block 8 is fixedly connected with the tension adjusting frame 2 through a limiting bolt 14. The surface of the tension adjusting frame 2 is provided with a plurality of threaded slots 6, which facilitates the quick limiting and fixing of the adjusted positioning sliding block 8.

[0024] Further, the inside of the positioning sliding block 8 is provided with a rodless cylinder 9. The rodless cylinder 9 is provided with a lifting sliding block 10 on the surface. The inside of the lifting sliding block 10 is connected with the rotating shafts at the two ends of the tension adjusting roller 11 through bearings. The tension adjusting roller 11 is adjusted by vertically sliding along the surface of the rodless cylinder 9 through the lifting sliding block 10, so that the installation height of the tension adjusting roller 11 can be quickly positioned and adjusted.

[0025] Further, one end of the winding fixing roller 4 is connected with a servo motor 3 through a rotating shaft. The other end of the winding fixing roller 4 is connected with a transmission shaft 13 through a coupling 12. One end of the transmission shaft 13 is fixedly provided with a control handle 5. The winding fixing roller 4 can be driven to rotate by the servo motor 3 or the manual control handle 5.

[0026] Further, the bottom of the tension adjusting frame 2 is provided with a supporting base 1, which is integrally formed with the tension adjusting frame 2 by welding, and plays a role of supporting, stabilizing and being safe.

[0027] Working principle: when in use, the tension adjusting frame 2 is respectively provided with a winding and covering fixing roller 4 and a tension adjusting roller 11, the tension adjusting roller 11 is a movable adjusting structure, the inner side wall of the tension adjusting frame 2 is provided with a fixed slide rail 7, both ends of the tension adjusting roller 11 are provided with a positioning sliding block 8, the tension adjusting roller 11 is horizontally slidably adjusted along the surface of the fixed slide rail 7 through the positioning sliding block 8, the front end surface of the positioning sliding block 8 is fixedly connected with the tension adjusting frame 2 through a limiting bolt 14, which is convenient for quickly limiting and fixing the adjusted positioning sliding block 8, the inside of the positioning sliding block 8 is provided with a rodless air cylinder 9, the surface of the rodless air cylinder 9 is provided with a lifting sliding block 10, the inside of the lifting sliding block 10 is connected with the rotating shafts at both ends of the tension adjusting roller 11 through bearings, the tension adjusting roller 11 is vertically slidably adjusted along the surface of the rodless air cylinder 9 through the lifting sliding block 10, so that the installation height of the tension adjusting roller 11 can be quickly positioned and adjusted, and further, the relative position between the tension adjusting roller 11 and the winding and covering fixing roller 4 can be changed to adjust the coating operation tension, so that the tension of the PVC conveying belt connected between the two rollers is changed, and the advantages of convenient and quick tension adjustment are achieved.

[0028] It should be noted that, in the present document, the terms such as first and second, etc. are merely used to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device.

[0029] The standard parts used in the present application file can be purchased from the market, the specific connection mode of each part is connected by using the conventional means such as bolts, rivets and welding in the prior art, and the mechanical parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0030] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A tension regulating device for a PVC conveyor belt coating production line, comprising a tension regulating frame (2), characterized in that, The tension adjusting frame (2) is respectively provided with a winding fixing roller (4) and a tension adjusting roller (11), the tension adjusting roller (11) is a movable adjusting structure, and the tension adjusting roller (11) adjusts the coating operation tension by changing the relative position with the winding fixing roller (4).

2. The tension regulating device for PVC conveyor belt coating production line according to claim 1, characterized in that: The inner side wall of the tension adjusting frame (2) is provided with a fixed sliding rail (7), both ends of the tension adjusting roller (11) are provided with a positioning sliding block (8), and the tension adjusting roller (11) is adjusted by the positioning sliding block (8) sliding along the surface of the fixed sliding rail (7).

3. The tension regulating device for a PVC conveyor belt coating production line according to claim 2, characterized in that: The inside of the positioning sliding block (8) is provided with a fixed sliding hole (15), and the positioning sliding block (8) is slidingly connected with the fixed sliding rail (7) through the fixed sliding hole (15).

4. The tension regulating device for PVC conveyor belt coating production line according to claim 3, characterized in that: The front end surface of the positioning sliding block (8) is fixedly connected with the tension adjusting frame (2) through a limiting bolt (14), and the surface of the tension adjusting frame (2) is provided with a plurality of threaded grooves (6).

5. The tension regulating device for a PVC conveyor belt coating production line according to claim 4, characterized in that: The inside of the positioning sliding block (8) is provided with a rodless cylinder (9), the surface of the rodless cylinder (9) is provided with a lifting sliding block (10), the inside of the lifting sliding block (10) is connected with the rotating shafts at both ends of the tension adjusting roller (11) through bearings, and the tension adjusting roller (11) is vertically slidingly adjusted along the surface of the rodless cylinder (9) through the lifting sliding block (10).

6. The tension regulating device for a PVC conveyor belt coating production line according to claim 1, characterized in that: One end of the winding fixing roller (4) is connected with a servo motor (3) through a rotating shaft, the other end of the winding fixing roller (4) is connected with a transmission shaft (13) through a shaft coupling (12), and one end of the transmission shaft (13) is fixedly provided with a control handle (5).

7. The tension regulating device for a PVC conveyor belt coating production line according to claim 1, characterized in that: The bottom of the tension adjusting frame (2) is provided with a supporting base (1), and the supporting base (1) and the tension adjusting frame (2) are integrally formed by welding.

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