CN211521106U

CN211521106U - Roller type tension machine

Info

Publication number: CN211521106U
Application number: CN201921861580.8U
Authority: CN
Inventors: 朱玲; 曹东明
Original assignee: Zhaoqing Hongwang Metal Industrial Co Ltd
Current assignee: Zhaoqing Hongwang Metal Industrial Co Ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-09-18
Anticipated expiration: 2029-10-30

Abstract

The utility model provides a roller tensioner, which comprises a frame, go up the roller, the lower roll, the bearing frame, pressure adjustment mechanism and drive arrangement, the frame includes two backup pads of relative parallel arrangement, the both ends of going up the roller are rotationally installed between two backup pads through two bearing frames respectively, the both ends of lower roll are rotationally installed between two backup pads and are located the roller under through two bearing frames respectively, it has the predetermined clearance to pass for the steel band to go up between roller and the lower roll, pressure adjustment mechanism sets up in the frame, pressure adjustment mechanism is connected with the bearing frame at last roller both ends, in order to drive and go up the roller and go up and down, drive arrangement is used for the drive to go up roller and lower roll rotation. The roller type tensioner is beneficial to reducing the production cost, improving the quality of the steel belt, facilitating the realization of high automation and improving the production efficiency.

Description

Roller type tension machine

Technical Field

The utility model relates to a stainless steel processing technology field, in particular to roller tensioner.

Background

The existing tension station adopts two felts to wrap a pressing plate respectively, the pressing plate clamps a steel belt under the pressure action of two hydraulic cylinders to provide a friction force for tension, and the friction force is in direct proportion with the pressure of the hydraulic cylinders and the friction coefficient of the surface of the felts.

When foreign matters are stuck on the surface of the felt, surface scratches and plate surface scratches are easily caused, and product quality defects are generated. Since the foreign matter may come from a workplace or an incoming material itself, the foreign matter cannot be used for a board surface having a high surface quality.

The friction coefficient of the surface of the felt cannot be determined, the friction force cannot be calculated, the tension value cannot be measured, the tension value can be calculated only according to a pressure gauge of a hydraulic cylinder, if the tension is too large, the surface temperature of a steel plate can be increased, and a steel coil film is easily crushed. The tension is too small, and the steel coil is not tightened and is easy to collapse, possibly causing product quality defects.

The felt can wipe the stain on the plate and remain in the felt, if the felt is not replaced in time, the stain can be brought to the next roll, and the felt needs to be replaced regularly and quantitatively.

The existing tension station has the problem that the tension can be increased along with the increase of the volume of a steel coil, and the pressure of a hydraulic gauge needs to be frequently adjusted.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a roller type tensioner, this roller type tensioner are favorable to reduction in production cost, improve the steel band quality, are convenient for realize high automation, improve production efficiency.

The utility model relates to a technical solution:

the utility model provides a roller tensioner, which comprises a frame, go up the roller, the lower roll, the bearing frame, pressure adjustment mechanism and drive arrangement, the frame is including two backup pads of relative parallel arrangement, the both ends of going up the roller are rotationally installed between two backup pads through two bearing frames respectively, the both ends of lower roll are rotationally installed between two backup pads and are located the roller under through two bearing frames respectively, it has the predetermined clearance to pass in order to supply the steel band to pass to go up between roller and the lower roll, pressure adjustment mechanism sets up in the frame, pressure adjustment mechanism is connected with the bearing frame at last roller both ends, in order to drive the roller lift, drive arrangement is used for the drive to go up roller and.

Furthermore, the driving devices are provided with two sets and are respectively positioned at the outer side of the rack.

Furthermore, drive arrangement is including the motor, stopper, speed reducer and the universal telescopic coupling that connect gradually, and the speed reducer is connected to universal telescopic coupling's one end, and the transmission end connection of last roller or lower roll is connected to universal telescopic coupling's the other end.

Further, drive arrangement includes motor, stopper, speed reducer, universal expansion coupling and gear train drive mechanism, gear train drive mechanism includes the support, two drive gear, go up roller gear and lower roller gear, two drive gear mesh from top to bottom are installed on the support, it installs on the support with the drive gear meshing of top to go up roller gear, lower roller gear and the drive gear meshing of below are installed on the support, it is connected with universal expansion coupling to go up between the center pin of roller gear and the transmission end of last roller, also be connected with universal expansion coupling between the center pin of lower roller gear and the transmission end of lower roller, motor, stopper and speed reducer connect gradually, the output shaft and arbitrary one drive gear of speed reducer are connected.

Further, drive arrangement motor, stopper, universal flexible coupling and gear train drive mechanism, gear train drive mechanism includes the support, two drive gear, go up roller gear and lower roller gear, two drive gear mesh from top to bottom are installed on the support, it installs on the support with the drive gear meshing of top to go up roller gear, lower roller gear and the drive gear meshing of below are installed on the support, it is connected with universal flexible coupling to go up between the center pin of roller gear and the transmission end of roller, also be connected with universal flexible coupling between the center pin of lower roller gear and the transmission end of lower roller, it equals to go up the external diameter of roller gear and lower roller gear, the external diameter of roller gear and the external diameter of lower roller gear all are greater than drive gear's external diameter, the motor is connected gradually with the stopper.

Furthermore, the tops of the two supporting plates of the rack are provided with sliding grooves, and bearing seats at two ends of the upper roller are arranged in the sliding grooves in a sliding mode.

Further, pressure adjustment mechanism is including installing in two pneumatic cylinders of frame relatively, and the body portion relatively fixed in two backup pad tops of frame of two pneumatic cylinders, and the piston rod of two pneumatic cylinders is connected with the bearing frame at last roller both ends respectively.

Further, a supporting roller is rotatably mounted on one side of the machine frame, which is positioned on the lower roller.

Furthermore, a plurality of cross beams are connected between the two supporting plates of the rack and distributed on two sides of the upper roller and the lower roller.

Furthermore, top plates are fixed at the top ends of the two supporting plates of the rack.

The utility model discloses roll-type tensioner, through setting up the frame, go up the roller, the lower roll, the bearing frame, pressure adjustment mechanism and drive arrangement cooperate, the steel band passes the back and carries out the rolling through the coiling machine between last roller and the lower roll, adjust the pressure between roller and the lower roll through pressure adjustment mechanism, go up roller and lower roll centre gripping steel band, it is rotatory towards the opposite direction of coiling respectively to go up roller and lower roll through drive arrangement drive, with exert a counter-pull force as the tension of steel band to the steel band, when the coiling machine drives the steel band, because of counter-pull force is little than the power of coiling, during the coiling, go up roller and lower roll and then steel band and make a round, be difficult for like this to cause the injury to the steel band surface, increase. Furthermore, the utility model discloses roll-type tensioner need not to use the felt, has reduced manufacturing cost. In addition, the tension value can be known according to the moment of the driving device, the tension value can be measured and adjusted, control data can be refined, the process instability coefficient is reduced, the production line is more stable, high automation is convenient to realize, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic side view of the roller tensioner of the present invention in a use state;

fig. 2 is a schematic front view of a first embodiment of the roller tensioner of the present invention;

fig. 3 is a schematic front view of a second embodiment of the roller tensioner of the present invention.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.

Please refer to fig. 1 and fig. 2, the utility model provides a roller tensioner, which comprises a frame 1, go up roller 2, lower roll 3, bearing frame 4, pressure adjustment mechanism 5 and drive arrangement 6, frame 1 includes two backup pads 11 of relative parallel arrangement, it rotationally installs between two backup pads 11 of frame 1 through two bearing frames 4 respectively to go up the both ends of roller 2, the both ends of lower roll 3 rotationally install between two backup pads 11 of frame 1 and are located roller 2 through two bearing frames 4 respectively under, it passes in order to supply the steel band to have the predetermined clearance between roller 2 and the lower roll 3, pressure adjustment mechanism 5 sets up in frame 1, pressure adjustment mechanism 5 is connected with the bearing frame 4 at last roller 2 both ends, in order to drive roller 2 lift, drive arrangement 6 is used for the drive to go up roller 2 and lower roll 3 rotates.

In the present embodiment, two sets of driving devices 6 are provided, one set being located outside the frame 1. The driving device 6 comprises a motor 61, a brake 62, a speed reducer 63 and a universal telescopic coupling 64 which are sequentially connected, wherein the speed reducer 63 is connected to one end of the universal telescopic coupling 64, and the other end of the universal telescopic coupling 64 is connected with the transmission end of the upper roller 2 or the lower roller 3. The brake 62 is used for timely clamping the steel belt by the upper roller 2 and the lower roller 3 to stop moving when the machine is stopped.

Referring to fig. 3, in addition, in order to save one set of motor 61, brake 62 and speed reducer 63, the driving device 6 includes a motor 61, a brake 62, a speed reducer 63, a universal telescopic coupling 64 and a gear train transmission mechanism 65, the gear train transmission mechanism 65 includes a bracket 651, two transmission gears 652, an upper roller gear 653 and a lower roller gear 654, the two transmission gears 652 are vertically engaged and mounted on the bracket 651, the upper roller gear 653 is engaged and mounted on the bracket 651 with the upper transmission gear 652, and the lower roller gear 654 is engaged and mounted on the bracket 651 with the lower transmission gear 652. A universal expansion coupling 64 is connected between the central shaft of the upper roller gear 653 and the transmission end of the upper roller 2, a universal expansion coupling 64 is connected between the central shaft of the lower roller gear 654 and the transmission end of the lower roller 3, the motor 61, the brake 62 and the speed reducer 63 are sequentially connected, and the output shaft of the speed reducer 63 is connected with any one of the transmission gears 652 to drive the other transmission gear 652, the upper roller gear 653 and the lower roller gear 654 to rotate, so that the rotation direction of the upper roller gear 653 is opposite to the rotation direction of the lower roller gear 654. The drive device 6 having such a structure can be significantly reduced in cost.

In order to further save the cost, the driving device 6 provided with the gear train transmission mechanism 65 can omit the speed reducer 63, the brake 62 is connected with any one of the transmission gears 652, the outer diameters of the upper roller gear 653 and the lower roller gear 654 are equal, and the outer diameters of the upper roller gear 653 and the lower roller gear 654 are both larger than the outer diameter of the transmission gear 652, so that the purpose of speed reduction is achieved.

Referring to fig. 1 and 2, the top of the two supporting plates 11 of the frame 1 is provided with a sliding slot, and the bearing seats 4 at the two ends of the upper roller 2 are slidably disposed in the sliding slot. The pressure adjusting mechanism 5 comprises two hydraulic cylinders which are oppositely arranged on the frame 1, the body parts of the two hydraulic cylinders are oppositely fixed on the top ends of the two supporting plates 11 of the frame 1, and piston rods of the two hydraulic cylinders are respectively connected with the bearing seats 4 at the two ends of the upper roller 2.

For better support of the steel strip in the same horizontal plane, a support roll 7 is rotatably mounted on the machine frame 1 on the side of the lower roll 3.

In order to enhance the structural strength of the machine frame 1, a plurality of cross beams 12 are connected between the two support plates 11 of the machine frame 1, and the plurality of cross beams 12 are distributed on two sides of the upper roller 2 and the lower roller 3.

In order to prevent foreign matters or dust from falling onto the upper roller 2, a top plate 13 is fixed to the top ends of two support plates 11 of the frame 1.

The utility model discloses roll-type tensioner, through setting up frame 1, go up roller 2, lower roll 3, bearing frame 4, pressure adjustment mechanism 5 and drive arrangement 6 cooperate, the steel band passes the back and carries out the rolling through the coiling machine from going up between roller 2 and the lower roll 3, adjust the pressure between roller 2 and the lower roll 3 through pressure adjustment mechanism 5, go up roller 2 and the 3 centre gripping steel bands of lower roll, it is rotatory towards opposite direction's of batching respectively to go up roller 2 and lower roll 3 through drive arrangement 6 drive, with exert the tension of a counter-pull force as the steel band to the steel band, when the coiling machine drives the steel band, it is little to coil power because of the counter-pull force ratio, when batching, go up roller 2 and lower roll 3 and follow steel band and turn, be difficult for causing the injury to the steel band surface like this, increase the one. Furthermore, the utility model discloses roll-type tensioner need not to use the felt, has reduced manufacturing cost. In addition, the tension value can be known according to the moment of the driving device 6, the tension value can be measured and adjusted, control data can be refined, the process instability coefficient is reduced, the production line is more stable, high automation is convenient to realize, and the production efficiency is improved.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transformation that the content of the specification does, or directly or indirectly use in other related technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. A roller type tensioner comprises a rack (1), wherein the rack (1) comprises two supporting plates (11) which are arranged in parallel relatively, and is characterized by further comprising an upper roller (2), a lower roller (3), bearing seats (4), a pressure adjusting mechanism (5) and a driving device (6), two ends of the upper roller (2) are rotatably arranged between the two supporting plates (11) through the two bearing seats (4) respectively, two ends of the lower roller (3) are rotatably arranged between the two supporting plates (11) through the two bearing seats (4) respectively and are positioned under the upper roller (2), a preset gap is formed between the upper roller (2) and the lower roller (3) for a steel belt to pass through, the pressure adjusting mechanism (5) is arranged on the rack (1), the pressure adjusting mechanism (5) is connected with the bearing seats (4) at two ends of the upper roller (2) to drive the upper roller (2) to lift, the driving device (6) is used for driving the upper roller (2) and the lower roller (3) to rotate.

2. Roller tensioner according to claim 1, characterized in that the drive means (6) are provided in two sets, one outside the frame (1).

3. A roller tensioner according to claim 2, characterized in that said driving means (6) comprises a motor (61), a brake (62), a speed reducer (63) and a universal telescopic coupling (64) connected in sequence, one end of the universal telescopic coupling (64) is connected with the speed reducer (63), and the other end of the universal telescopic coupling (64) is connected with the driving end of the upper roller (2) or the lower roller (3).

4. The roller tensioner according to claim 1, wherein the driving device (6) comprises a motor (61), a brake (62), a speed reducer (63), a universal expansion coupling (64) and a gear train transmission mechanism (65), the gear train transmission mechanism (65) comprises a bracket (651), two transmission gears (652), an upper roller gear (653) and a lower roller gear (654), the two transmission gears (652) are vertically engaged and mounted on the bracket (651), the upper roller gear (653) is engaged and mounted on the bracket (651) with the transmission gear (652) above, the lower roller gear (654) is engaged and mounted on the bracket (651) with the transmission gear (652) below, the universal expansion coupling (64) is connected between the central shaft of the upper roller gear (653) and the transmission end of the upper roller (2), the universal expansion coupling (64) is also connected between the central shaft of the lower roller gear (654) and the transmission end of the lower roller (3), the motor (61), the brake (62) and the speed reducer (63) are connected in sequence, and an output shaft of the speed reducer (63) is connected with any one transmission gear (652).

5. The roller tensioner as claimed in claim 1, characterized in that the drive device (6) comprises a motor (61), a brake (62), a universal telescopic coupling (64) and a gear train transmission mechanism (65), the gear train transmission mechanism (65) comprises a support (651), two transmission gears (652), an upper roller gear (653) and a lower roller gear (654), the two transmission gears (652) are vertically engaged and mounted on the support (651), the upper roller gear (653) is engaged and mounted on the support (651) with the transmission gear (652) above, the lower roller gear (654) is engaged and mounted on the support (651) with the transmission gear (652) below, the universal telescopic coupling (64) is connected between the central shaft of the upper roller gear (653) and the transmission end of the upper roller (2), the universal telescopic coupling (64) is also connected between the central shaft of the lower roller gear (654) and the transmission end of the lower roller (3), the outer diameters of the upper roller gear (653) and the lower roller gear (654) are equal, the outer diameters of the upper roller gear (653) and the lower roller gear (654) are both larger than the outer diameter of the transmission gear (652), the motor (61) and the brake (62) are sequentially connected, and the brake (62) is connected with any one of the transmission gears (652).

6. Roller tensioner according to claim 1, characterized in that the top of the two support plates (11) of the frame (1) is provided with a sliding groove, in which the bearing blocks (4) at the two ends of the upper roller (2) are slidably arranged.

7. A roller tensioner according to claim 1, characterized in that the pressure regulating mechanism (5) comprises two hydraulic cylinders mounted opposite to the frame (1), the body parts of the two hydraulic cylinders are fixed opposite to the top ends of the two supporting plates (11) of the frame (1), and the piston rods of the two hydraulic cylinders are respectively connected with the bearing seats (4) at the two ends of the upper roller (2).

8. Roller tensioner according to claim 1, characterised in that a support roller (7) is rotatably mounted on the machine frame (1) on the side of the lower roller (3).

9. A roller tensioner according to claim 1, characterized in that a plurality of cross beams (12) are connected between the two support plates (11) of the frame (1), the plurality of cross beams (12) being distributed on both sides of the upper roller (2) and the lower roller (3).

10. Roller tensioner according to claim 1, characterized in that a top plate (13) is fixed to the top of the two support plates (11) of the frame (1).