Automatic adjustable multi-section tension roller

Abstract

The invention relates to the technical field of papermaking, and discloses an automatic adjustable multi-section tension roller which comprises a base, a sealing ring is fixed to the outer side of a first oil cylinder, a third piston is slidably connected into the first oil cylinder, and an extrusion plate is fixed to the bottom of the third piston and penetrates through the bottom of the first oil cylinder; two first limiting columns and a second limiting column are fixed to the top of the first oil cylinder, the two first limiting columns and the second limiting column penetrate through the top of the first air cylinder and are connected with a supporting plate, a supporting frame is fixed to the top of the supporting plate, and a roller is rotationally connected to the inner side of the supporting frame. According to the automatic adjustable multi-section tension roller, in the process that commodity pulp paper is conveyed through the roller, the first oil cylinder and the sealing ring can move in the first air cylinder, the buffering effect can be achieved in cooperation with the third spring, the buffering strength is adjusted by adjusting the amount of gas remaining in the first air cylinder, and the automatic adjustable multi-section tension roller is conveniently suitable for the commodity pulp paper with different strengths.

Description

Technical Field

[0001] The invention relates to the technical field of papermaking, in particular to an automatically adjustable multi-section tension roller. Background Art

[0002] Market pulp refers to the type of pulp that is not processed into paper or lint-like finished products and is directly circulated as a commodity. The global market pulp is dominated by bleached sulfate pulp. Tension rollers can be used to support the market pulp paper when conveying it. Tension rollers can be used in papermaking, printing, textile, film-forming and other industries.

[0003] Existing tension rollers generally only play the role of supporting tension, but the tension is generally fixed, which is inconvenient to adjust according to the weight of the commercial pulp and paper. Buffering can be performed when conveying commercial pulp and paper, but the buffering effect is generally fixed, and it is difficult to adjust the buffering strength according to the material strength of the commercial pulp and paper. It is not flexible to use and the protective effect is average. In view of the above problems, the existing equipment needs to be improved. Summary of the Invention

[0004] The purpose of the present invention is to provide an automatically adjustable multi-section tension roller to solve the problems raised in the above background technology that the existing tension roller generally only plays the role of supporting tension, but the tension is generally fixed, which is inconvenient to adjust according to the weight of the commercial pulp paper. Buffering can be performed when conveying commercial pulp paper, but the buffering effect is generally fixed, and it is difficult to adjust the buffering strength according to the material strength of the commercial pulp paper. It is not flexible to use and the protective effect is general.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an automatically adjustable multi-section tension roller, comprising a base, a first electric telescopic column being fixed to the upper end face of the base, a buffering and adjusting mechanism being fixed to the top of the first electric telescopic column, the buffering and adjusting mechanism comprising a first cylinder, a third spring being fixed to the inner top of the first cylinder, a first oil cylinder being fixed to the bottom of the third spring, a sealing ring being fixed to the outer side of the first oil cylinder, a third piston being slidably connected to the inside of the first oil cylinder, an extrusion plate being fixed to the bottom of the third piston, the extrusion plate passing through the bottom of the first oil cylinder, two first limiting columns and one second limiting column being fixed to the top of the first oil cylinder, the two first limiting columns and one second limiting column passing through the top of the first cylinder and being connected to the support plate.

[0006] A support frame is fixed on the top of the supporting plate, and a roller is rotatably connected to the inner side of the support frame.

[0007] Preferably, the first electric telescopic columns are distributed on the base at equal intervals, and the first electric telescopic columns are arranged in a one-to-one correspondence with the first cylinders.

[0008] Preferably, a second cylinder is symmetrically fixed on both sides of the bottom of the first cylinder, and a first spring is fixed to the inner bottom of the second cylinder, a first piston is fixed to the top of the first spring, and the first piston is slidably connected in the first cylinder, a movable column is fixed to the bottom of the first piston, and the movable column passes through the bottom of the first cylinder, and the first spring is wrapped around the outside of the movable column.

[0009] Preferably, an oil groove is opened in the bottom of the first cylinder, and a rotating shaft is rotatably connected in the oil groove. A second piston is fixed on one side of the rotating shaft, and the second piston is movably connected in the oil groove. A rotating plate is fixed on the top of the rotating shaft, and support rings are symmetrically fixed on both sides of the rotating plate. The upper side of the support ring is connected to the sealing plug through a second spring.

[0010] Preferably, a second oil cylinder is fixed to the front side of one of the end portions of the first cylinder, and an electric telescopic rod is fixed in the second oil cylinder, a fourth piston is fixed to the rear end of the electric telescopic rod, and the fourth piston is slidably connected in the second oil cylinder, and the second oil cylinder is connected to the corresponding oil tank through an oil pipe.

[0011] Preferably, a first connecting pipe is fixed between two adjacent first cylinders, and both ends of the first connecting pipe are connected to the oil tank.

[0012] Preferably, a third oil cylinder is fixed to the rear side of the first cylinder at the other end, and a fifth piston is slidably connected in the third oil cylinder. The fifth piston passes through the rear side of the third oil cylinder, and the third oil cylinder is connected to the corresponding oil tank through an oil pipe.

[0013] Preferably, a bracket is fixed to the upper end surface of the base, and a second electric telescopic column is fixed to the inner top of the bracket, a movable plate is fixed to the bottom of the second electric telescopic column, and a sixth piston is fixed to the bottom of the movable plate, and the sixth piston is evenly spaced on the movable plate.

[0014] Preferably, a fourth oil cylinder is fixed to the upper end surface of the base, the sixth piston is slidably connected in the fourth oil cylinder, a second connecting pipe is fixed to the rear side of the fourth oil cylinder, and the second connecting pipe passes through the second limiting column and is connected to the first oil cylinder.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. This automatically adjustable multi-section tension roller can achieve the purpose of self-adjusting tension. When the commercial pulp and paper are placed on the roller for transportation, the roller rotates to play a supporting and guiding role. The roller is equipped with a pressure sensor. The first electric telescopic column can automatically adjust the height of the roller according to the pressure sensed by the roller, thereby adjusting the tension; The automatically adjustable multi-section tension roller can achieve the purpose of adjusting the buffering force. In the process of using the roller to transport commercial pulp paper, the first oil cylinder and the sealing ring can move in the first cylinder, and the third spring can be used in combination to achieve the buffering effect. Before using the device, the fourth piston moves backward, and all the second pistons, rotating shafts and rotating plates rotate, thereby removing the seal and opening the second cylinder. Then all the sixth pistons move downward together with the moving plate, and all the third pistons and the extrusion plate move downward, thereby pressing part of the gas in the first cylinder into the second cylinder. After that, the seal can be used to re-seal the second cylinder. The buffering force is adjusted by adjusting the amount of gas remaining in the first cylinder, which is convenient for adapting to commercial pulp paper of different strengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the front three-dimensional structure of the present invention; Figure 2 It is a rear perspective structural diagram of the present invention; Figure 3 It is a schematic diagram of the front cross-sectional structure of the present invention; Figure 4 This is a schematic diagram of the connection structure of the base, the first electric telescopic column, the buffer and adjustment mechanism, the support frame, the roller, the second electric telescopic column, the sixth piston, the fourth oil cylinder, and the second connecting pipe of the present invention; Figure 5 It is a schematic diagram of a top cross-sectional structure of the present invention; Figure 6 This is a schematic diagram of the connection structure between the buffer and adjustment mechanism and the second connecting pipe of the present invention; Figure 7 This is a schematic diagram of the connection structure of the rotating shaft, the second piston, the rotating plate, the supporting ring and the sealing plug of the present invention; Figure 8 For the present invention Figure 6 A in the middle is an enlarged structural diagram; Figure 9 For the present invention Figure 5 The enlarged structural diagram at B in the middle; Figure 10 For the present invention Figure 5 Enlarged structural diagram at point C in the middle.

[0017] In the figure: 1. Base; 2. First electric telescopic column; 3. Buffer and adjustment mechanism; 301. First cylinder; 302. Second cylinder; 303. First spring; 304. First piston; 305. Movable column; 306. Oil tank; 307. Rotating shaft; 308. Second piston; 309. Rotating plate; 310. Support ring; 311. Second spring; 312. Sealing plug; 313. Third spring; 314. First oil cylinder; 315. Sealing ring; 316. First limiting column; 317. Support plate; 318. Second limiting column; 319. Third piston; 320. Extrusion plate; 4. Support frame; 5. Roller; 6. Second oil cylinder; 7. Electric telescopic rod; 8. Fourth piston; 9. First connecting pipe; 10. Third oil cylinder; 11. Fifth piston; 12. Bracket; 13. Second electric telescopic column; 14. Moving plate; 15. Sixth piston; 16. Fourth oil cylinder; 17. Second connecting pipe. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0019] See also Figures 1 to 10 The present invention provides a technical solution: an automatically adjustable multi-section tension roller, comprising a base 1, a first electric telescopic column 2 being fixed to the upper end surface of the base 1, a buffer and adjustment mechanism 3 being fixed to the top of the first electric telescopic column 2, the buffer and adjustment mechanism 3 comprising a first cylinder 301, a third spring 313 being fixed to the inner top of the first cylinder 301, a first oil cylinder 314 being fixed to the bottom of the third spring 313, a sealing ring 315 being fixed to the outer side of the first oil cylinder 314, a third piston 319 being slidably connected to the inside of the first oil cylinder 314, an extrusion plate 320 being fixed to the bottom of the third piston 319, the extrusion plate 320 passing through the bottom of the first oil cylinder 314, two first limiting columns 316 and a second limiting column 318 being fixed to the top of the first oil cylinder 314, the two first limiting columns 316 and the second limiting column 318 passing through the top of the first cylinder 301 and being connected to the support plate 317.

[0020] A support frame 4 is fixed to the top of the support plate 317 , and a roller 5 is rotatably connected to the inner side of the support frame 4 .

[0021] In this embodiment, Figure 1 、 Figure 2 and Figure 3As shown, the first electric telescopic columns 2 are evenly spaced on the base 1, and the first electric telescopic columns 2 are arranged in a one-to-one correspondence with the first cylinders 301. A pressure sensor is fixed to each roller 5, and the pressure sensor is electrically connected to the first electric telescopic column 2. In the process of supporting and conveying commercial pulp and paper using the roller 5, the pressure sensor can sense the pressure of the commercial pulp and paper, and the first electric telescopic column 2 automatically extends and retracts, and the height of the roller 5 can be adjusted automatically, so as to better support the commercial pulp and paper.

[0022] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 6 and Figure 8 As shown, the second cylinder 302 is symmetrically fixed on both sides of the bottom of the first cylinder 301, and the first spring 303 is fixed to the inner bottom of the second cylinder 302, and the first piston 304 is fixed on the top of the first spring 303, and the first piston 304 is slidably connected in the first cylinder 301, and a movable column 305 is fixed to the bottom of the first piston 304, and the movable column 305 passes through the bottom of the first cylinder 301, and the first spring 303 is wrapped around the outside of the movable column 305. The first spring 303 supports the first piston 304. Before using the device, a part of the gas in the first cylinder 301 can be pressed into the second cylinder 302, and the first piston 304 moves downward under the action of air pressure. The amount of gas pressed into the second cylinder 302 is adjustable, and the buffering effect can be adjusted by adjusting the amount of gas retained in the first cylinder 301.

[0023] In this embodiment, Figure 3 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 and Figure 10 As shown, an oil groove 306 is provided in the bottom of the first cylinder 301, and a rotating shaft 307 is rotatably connected in the oil groove 306. A second piston 308 is fixed on one side of the rotating shaft 307, and the second piston 308 is movably connected in the oil groove 306. A rotating plate 309 is fixed on the top of the rotating shaft 307, and support rings 310 are symmetrically fixed on both sides of the rotating plate 309. The upper side of the support ring 310 is connected to the sealing plug 312 through a second spring 311. When oil is pressed into the oil groove 306, the second piston 308 and the rotating shaft 307 rotate as a whole, thereby driving the rotating plate 309 and the two support rings 310 to rotate, making it convenient to remove the sealing plug 312 to open the second cylinder 302, and then the gas in the first cylinder 301 can be pressed into the second cylinder 302.

[0024] In this embodiment, Figure 1 、 Figure 5 and Figure 9As shown, a second oil cylinder 6 is fixed to the front side of one of the end portions of the first cylinder 301, and an electric telescopic rod 7 is fixed in the second oil cylinder 6. A fourth piston 8 is fixed to the rear end of the electric telescopic rod 7 and is slidably connected in the second oil cylinder 6. The second oil cylinder 6 is connected to the corresponding oil groove 306 through an oil pipe. The fourth piston 8 can move back and forth under the extension and contraction action of the electric telescopic rod 7, thereby conveniently driving all the second pistons 308 to rotate and all the rotating plates 309 to rotate, making it convenient to use the sealing plug 312 to seal the second cylinder 302 or remove the sealing plug 312.

[0025] In this embodiment, Figure 1 、 Figure 2 、 Figure 5 、 Figure 9 and Figure 10 As shown, a first connecting pipe 9 is fixed between two adjacent first cylinders 301, and both ends of the first connecting pipe 9 are connected to the oil groove 306. The first connecting pipe 9 serves to connect the two adjacent oil grooves 306, and all the oil grooves 306 can be connected.

[0026] In this embodiment, Figure 2 、 Figure 5 and Figure 10 As shown, a third oil cylinder 10 is fixed to the rear side of the first cylinder 301 at the other end, and a fifth piston 11 is slidably connected inside the third oil cylinder 10. The fifth piston 11 passes through the rear side of the third oil cylinder 10, and the third oil cylinder 10 is connected to the corresponding oil groove 306 through an oil pipe. When oil is pumped into all the oil grooves 306, the fifth piston 11 will move under the action of the oil pressure.

[0027] In this embodiment, Figure 1 、 Figure 4 and Figure 5 As shown, a bracket 12 is fixed to the upper end surface of the base 1, and a second electric telescopic column 13 is fixed to the inner top of the bracket 12, a movable plate 14 is fixed to the bottom of the second electric telescopic column 13, and a sixth piston 15 is fixed to the bottom of the movable plate 14. The sixth pistons 15 are evenly spaced on the movable plate 14. The movable plate 14 can move up and down under the telescopic action of the second electric telescopic column 13, thereby driving all the sixth pistons 15 to move up and down.

[0028] In this embodiment, Figure 1 、 Figure 4 and Figure 5As shown, a fourth oil cylinder 16 is fixed to the upper end surface of the base 1, and the sixth piston 15 is slidably connected in the fourth oil cylinder 16. A second connecting pipe 17 is fixed to the rear side of the fourth oil cylinder 16, and the second connecting pipe 17 passes through the second limiting column 318 and is connected to the first oil cylinder 314. The second connecting pipe 17 serves to connect the fourth oil cylinder 16 and the first oil cylinder 314. When the sixth piston 15 moves downward, the hydraulic oil in the fourth oil cylinder 16 can be pressed into the first oil cylinder 314, and the third piston 319 will move downward under the action of the oil pressure. When the sixth piston 15 moves upward, the hydraulic oil in the first oil cylinder 314 can be pumped into the fourth oil cylinder 16. At this time, the third piston 319 moves upward.

[0029] The use method and advantages of the present invention: The working process of the automatic adjustable multi-section tension roller is as follows: like Figures 1 to 10 As shown: first, commercial pulp paper is placed on all rollers 5. During the process of conveying commercial pulp paper, rollers 5 rotate to play a supporting and guiding role. Pressure sensors are fixed on rollers 5 to detect the pressure exerted by commercial pulp paper. The first electric telescopic column 2 automatically extends and retracts according to the detected pressure to adjust the height of roller 5, thereby adjusting the tension. The first oil cylinder 314 and sealing ring 315 can move in the first cylinder 301, and the third spring 313 can be used to achieve a buffering effect. Before using the device, the fourth piston 8 moves backward and all the second pistons 308 rotate. All the rotating plates 309 rotate, thereby removing the sealing plug 312 to open the second cylinder 302, and then the movable plate 14 and all the sixth pistons 15 move downward as a whole, and all the third pistons 319 and the extrusion plate 320 move downward, thereby pressing the gas in the first cylinder 301 into the second cylinder 302, and the amount of gas pressed into the second cylinder 302 is adjustable. The buffering force can be adjusted by adjusting the amount of gas retained in the first cylinder 301, and then the fourth piston 8 moves forward, all the second pistons 308 rotate, all the rotating plates 309 rotate, and the sealing plug 312 reseals the second cylinder 302.

[0030] In summary, the automatically adjustable multi-section tension roller achieves the purpose of self-adjusting tension and adjusting buffering force, and meets people's usage needs.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and modifications fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

[0032] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limiting the protection content of the present invention.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An automatically adjustable multi-section tension roller, comprising a base (1), characterized in that: A first electric telescopic column (2) is fixed to the upper end surface of the base (1), a buffer and adjustment mechanism (3) is fixed to the top of the first electric telescopic column (2), the buffer and adjustment mechanism (3) comprises a first cylinder (301), a third spring (313) is fixed to the inner top of the first cylinder (301), a first oil cylinder (314) is fixed to the bottom of the third spring (313), a sealing ring (315) is fixed to the outer side of the first oil cylinder (314), a third piston (319) is slidably connected to the inside of the first oil cylinder (314), an extrusion plate (320) is fixed to the bottom of the third piston (319), the extrusion plate (320) passes through the bottom of the first oil cylinder (314), two first limiting columns (316) and one second limiting column (318) are fixed to the top of the first oil cylinder (314), the two first limiting columns (316) and the one second limiting column (318) pass through the top of the first cylinder (301) and are connected to the supporting plate (317); A support frame (4) is fixed to the top of the support plate (317), and a roller (5) is rotatably connected to the inner side of the support frame (4).

2. The automatically adjustable multi-section tension roller according to claim 1, characterized in that: The first electric telescopic columns (2) are distributed on the base (1) at equal intervals, and the first electric telescopic columns (2) and the first cylinders (301) are arranged in a one-to-one correspondence.

3. The automatically adjustable multi-section tension roller according to claim 1, characterized in that: The second cylinder (302) is symmetrically fixed on both sides of the bottom of the first cylinder (301), and the first spring (303) is fixed to the inner bottom of the second cylinder (302). The first piston (304) is fixed to the top of the first spring (303), and the first piston (304) is slidably connected in the first cylinder (301). The bottom of the first piston (304) is fixed with a movable column (305), and the movable column (305) passes through the bottom of the first cylinder (301), and the first spring (303) is wrapped around the outside of the movable column (305).

4. The automatically adjustable multi-section tension roller according to claim 1, characterized in that: An oil groove (306) is provided in the bottom of the first cylinder (301), and a rotating shaft (307) is rotatably connected in the oil groove (306). A second piston (308) is fixed on one side of the rotating shaft (307), and the second piston (308) is movably connected in the oil groove (306). A rotating plate (309) is fixed on the top of the rotating shaft (307), and support rings (310) are symmetrically fixed on both sides of the rotating plate (309). The upper side of the support ring (310) is connected to the sealing plug (312) through a second spring (311).

5. The automatically adjustable multi-section tension roller according to claim 4, characterized in that: A second oil cylinder (6) is fixed to the front side of one of the first air cylinders (301) at the end portion, and an electric telescopic rod (7) is fixed in the second oil cylinder (6). A fourth piston (8) is fixed to the rear end of the electric telescopic rod (7), and the fourth piston (8) is slidably connected in the second oil cylinder (6). The second oil cylinder (6) is connected to the corresponding oil tank (306) through an oil pipe.

6. The automatically adjustable multi-section tension roller according to claim 4, characterized in that: A first connecting pipe (9) is fixed between two adjacent first cylinders (301), and both ends of the first connecting pipe (9) are connected to the oil groove (306).

7. The automatically adjustable multi-section tension roller according to claim 4, characterized in that: A third oil cylinder (10) is fixed to the rear side of the first cylinder (301) at the other end, and a fifth piston (11) is slidably connected in the third oil cylinder (10). The fifth piston (11) passes through the rear side of the third oil cylinder (10), and the third oil cylinder (10) is connected to the corresponding oil groove (306) through an oil pipe.

8. The automatically adjustable multi-section tension roller according to claim 1, characterized in that: A bracket (12) is fixed to the upper end surface of the base (1), and a second electric telescopic column (13) is fixed to the inner top of the bracket (12), a movable plate (14) is fixed to the bottom of the second electric telescopic column (13), and a sixth piston (15) is fixed to the bottom of the movable plate (14), and the sixth piston (15) is distributed on the movable plate (14) at equal intervals.

9. The automatically adjustable multi-section tension roller according to claim 8, characterized in that: A fourth oil cylinder (16) is fixed to the upper end surface of the base (1), the sixth piston (15) is slidably connected in the fourth oil cylinder (16), a second connecting pipe (17) is fixed to the rear side of the fourth oil cylinder (16), and the second connecting pipe (17) passes through the second limiting column (318) and is connected to the first oil cylinder (314).

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