CN210048013U

CN210048013U - Automatic adjust rate of tension device

Info

Publication number: CN210048013U
Application number: CN201920538155.9U
Authority: CN
Inventors: 崔建; 姜法宏
Original assignee: QINGDAO HENGXIN PLASTIC CO Ltd
Current assignee: QINGDAO HENGXIN PLASTIC CO Ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-02-11
Anticipated expiration: 2029-04-19

Abstract

The utility model relates to the technical field of heating pad preparation, in particular to an automatic tension adjusting device, which solves the defects of complicated manual tension adjusting in the prior art, and comprises a base, a fixed column and a tension roller, wherein the two sides of the upper surface of the base are oppositely provided with the fixed column through welding, an adjusting groove is arranged in the middle of the side wall of the fixed column, a fixed shaft is movably arranged in the adjusting groove, the fixed shaft is fixedly welded on the two sides of the tension roller, the two sides of the side wall of the fixed column are both provided with a sliding groove, one side of the sliding groove is provided with a servo motor at the inner bottom end of the fixed column, the output end key of the servo motor is connected with a threaded shaft, the outer wall of the threaded shaft is in threaded connection with an adjusting seat, one side of the adjusting seat is welded with a lower limiting plate, and a limiting rod, the working efficiency is improved.

Description

Automatic adjust rate of tension device

Technical Field

The utility model relates to a heating pad preparation technical field especially relates to an automatic adjust rate of tension device.

Background

The heating mat is mainly used in the asphalt transportation process, liquid asphalt is filled into a container, the asphalt is gradually solidified in the transportation process, and the asphalt is heated to be in a liquid state after reaching the destination, so that the asphalt is output out of the container. In the production process of heating pad, need convey through the belt, and at the in-process of belt conveying, need adjust its rate of tension, current technique is all that artifical manual regulation, and operating procedure is comparatively loaded down with trivial details, and work efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the comparatively loaded down with trivial details shortcoming of the artifical rate of tension that adjusts that exists among the prior art, and the automatic adjustment rate of tension device who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automatic tension adjusting device comprises a base, fixing columns and a tension roller, wherein the fixing columns are oppositely arranged on two sides of the upper surface of the base through welding, an adjusting groove is formed in the middle of the side wall of each fixing column, a fixing shaft is movably arranged in each adjusting groove and fixedly welded on two sides of the tension roller, the two sides of the side wall of the fixed column are both provided with sliding chutes, one side of each sliding chute is provided with a servo motor at the bottom end inside the fixed column, the output end of each servo motor is in keyed connection with a threaded shaft, the outer wall of each threaded shaft is in threaded connection with an adjusting seat, one side of each adjusting seat is welded with a lower limiting plate, and a limiting rod is welded between the inner walls of the sliding grooves, a limiting seat is arranged on the outer wall of the limiting rod in a sliding manner, the limiting seat is welded and fixed with the adjusting seat, the inside slip of spout is provided with the slide, and the welding of one side of slide has last spacing board, lower spacing board passes through the locking bolt with last spacing board and fixes the both sides at the fixed axle.

Preferably, a belt placing area is arranged in the middle of the tension roller.

Preferably, the sliding seat is arranged inside the sliding groove, and the sliding seat is arranged on one side of the threaded shaft.

Preferably, a through hole is formed in the limiting seat, and a limiting rod is inserted into the through hole.

Preferably, the inside of adjusting the seat is seted up threaded hole, and threaded shaft has threaded connection between the inner wall of threaded hole.

Preferably, a groove is formed in the middle of the bottom of the upper limiting plate, a groove is also formed in the middle of the top of the lower limiting plate, and the two grooves are matched with the fixed shaft.

Compared with the prior art, the utility model discloses an upper limit plate is fixed with the upper and lower both sides of fixed axle with lower limiting plate to utilize servo motor to drive the threaded spindle and rotate, make and adjust the seat and reciprocate the regulation along the threaded spindle under the limiting action of gag lever post, thereby drive the fixed axle and reciprocate the regulation, adjust the rate of tension between the machine conveyer belt with this, compare in manual regulation, improved degree of automation greatly, improved work efficiency.

Drawings

Fig. 1 is a schematic structural view of an automatic tension adjusting device according to the present invention;

fig. 2 is a schematic view of the fixed shaft adjustment of the automatic tension adjusting device of the present invention;

fig. 3 is the utility model provides an automatic adjust rate of tension device's limiting plate activity schematic diagram.

In the figure: the device comprises a base 1, a fixing column 2, a controller 21, an adjusting groove 22, a sliding chute 23, a tensioning roller 3, a belt placing area 31, a fixing shaft 32, a lower limiting plate 4, an adjusting seat 41, an upper limiting plate 5, a sliding seat 51, a threaded shaft 6, a limiting rod 7 and a limiting seat 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, an automatic tension adjusting device comprises a base 1, fixed columns 2 and a tension roller 3, wherein the fixed columns 2 are oppositely arranged on two sides of the upper surface of the base 1 through welding, an adjusting groove 22 is formed in the middle of the side wall of each fixed column 2, the adjusting groove 22 is used for facilitating movement adjustment of the fixed shaft 32, a fixed shaft 32 is movably arranged in the adjusting groove 22, the fixed shafts 32 are fixedly welded on two sides of the tension roller 3, a belt placing region 31 is arranged in the middle of the tension roller 3, the belt placing region 31 is used for fixing a conveyor belt, sliding grooves 23 are formed in two sides of the side wall of each fixed column 2, the sliding grooves 23 are used for facilitating movement adjustment of two limiting plates, a servo motor is arranged at the bottom end inside the fixed columns 2 on one side of each sliding groove 23 and provides a power source for a threaded shaft 6, a threaded shaft 6 is keyed on the output, the outer wall of the threaded shaft 6 is in threaded connection with an adjusting seat 41 (a threaded hole is formed in the adjusting seat 41, the threaded shaft 6 is in threaded connection between the inner walls of the threaded hole), the adjusting seat 41 aims to drive a lower limiting plate 4 to move and adjust, a lower limiting plate 4 is welded on one side of the adjusting seat 41, a limiting rod 7 is welded between the inner walls of the sliding grooves 23, the limiting plate 7 aims to limit the displacement direction of the limiting seat 8 and further indirectly limit the displacement direction of the adjusting seat 41, a limiting seat 8 is arranged on the outer wall of the limiting rod 7 in a sliding mode (a through hole is formed in the limiting seat 8, the limiting rod 7 is inserted into the through hole), the limiting seat 8 limits the adjusting seat 41, the limiting seat 8 is fixedly welded with the adjusting seat 41, a sliding seat 51 is arranged in the sliding groove 23 in a sliding mode, an upper limiting plate 5 is welded on one side of the sliding seat 51, the lower limiting plate 4 and the upper, the purpose of the lower and upper

limiting plates

4, 5 is to fix the fixed shaft 32.

Specifically, the sliding seat 51 is arranged in the sliding groove 23, the sliding seat 51 is located on one side of the threaded shaft 6, in addition, a groove is formed in the middle of the bottom of the upper limiting plate 5, a groove is also formed in the middle of the top of the lower limiting plate 4, and the two grooves are matched with the fixed shaft 32.

In the first embodiment, when the fixing shaft 32 is fixed, the fixing shaft 32 is placed in the groove of the lower limiting plate 4, the upper limiting plate 5 is moved along the sliding groove 23 to the side of the lower limiting plate 4, the groove of the upper limiting plate 5 is placed on the upper portion of the fixing shaft 32, and then the locking bolt is inserted between the upper limiting plate 5 and the lower limiting plate 4 to be locked and fixed.

In the second embodiment, the controller 21 starts the servo motor and drives the threaded shaft 6 to rotate clockwise, because the limiting seat 8 is on the limiting rod 7, and the limiting seat 8 is connected and fixed with the adjusting seat 41, so that the adjusting seat 41 limits the moving direction under the indirect action of the limiting rod 7 (i.e. can only move and adjust in the vertical direction), along with the driving of the threaded shaft 6, the adjusting seat 41 is driven to move downwards along the threaded shaft 6, so as to drive the lower limiting plate 4 and the upper limiting plate 5 fixed thereon to drive the fixed shaft 32 fixed between the lower limiting plate and the upper limiting plate to move downwards, and further drive the tensioning roller 3 to move downwards, and the tensioning degree of the conveyor belt becomes tight.

Third embodiment, start servo motor by controller 21 and make it drive threaded shaft 6 anticlockwise rotation, because spacing seat 8 is on gag lever post 7, and spacing seat 8 is connected fixedly with adjusting seat 41 again, make and adjust seat 41 and restricted the direction of removal (can only move the regulation in vertical direction promptly) under the indirect action of gag lever post 7, along with the drive of threaded shaft 6, order to adjust seat 41 and move up along threaded shaft 6, thereby drive lower limiting plate 4 and the fixed axle 32 upwards that fixes on it between the two will be fixed in to fixed plate 5 and drive the removal, and then drive tensioning roller 3 rebound, make the tensioning degree of conveyer belt become loose.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An automatic tension adjusting device comprises a base (1), fixing columns (2) and a tension roller (3), wherein the fixing columns (2) are oppositely arranged on two sides of the upper surface of the base (1) through welding, an adjusting groove (22) is formed in the middle of the side wall of each fixing column (2), a fixing shaft (32) is movably arranged in the adjusting groove (22), the fixing shaft (32) is fixedly welded on two sides of the tension roller (3), the automatic tension adjusting device is characterized in that sliding grooves (23) are formed in two sides of the side wall of each fixing column (2), a servo motor is arranged at the bottom end of the inside of each fixing column (2) on one side of each sliding groove (23), an output end of each servo motor is in keyed connection with a threaded shaft (6), an adjusting seat (41) is in threaded connection with the outer wall of each threaded shaft (6), a lower limiting plate (4) is welded on one side of each adjusting seat (, the outer wall of gag lever post (7) slides and is provided with spacing seat (8), spacing seat (8) and regulation seat (41) welded fastening, the inside of spout (23) slides and is provided with slide (51), and one side welding of slide (51) has last spacing board (5), lower limiting plate (4) and last spacing board (5) pass through the locking bolt and fix the both sides at fixed axle (32).

2. The device for automatically adjusting the tautness according to claim 1, characterised in that a belt-placing zone (31) is provided in the middle of the tensioning roller (3).

3. A device for automatically adjusting tautness according to claim 1, characterised in that the slide (51) is placed inside the chute (23) and that the slide (51) is located on one side of the threaded shaft (6).

4. The device for automatically adjusting the tension according to claim 1, wherein a through hole is formed in the limiting seat (8), and a limiting rod (7) is inserted into the through hole.

5. The device for automatically adjusting the tension according to claim 1, wherein the inside of the adjusting seat (41) is provided with a threaded hole, and a threaded shaft (6) is connected between the inner walls of the threaded hole in a threaded manner.

6. The device for automatically adjusting the tension according to claim 1, wherein a groove is formed in the middle of the bottom of the upper limiting plate (5), a groove is formed in the middle of the top of the lower limiting plate (4), and the two grooves are matched with the fixed shaft (32).