CN214243137U

CN214243137U - Floating roll tension adjusting mechanism

Info

Publication number: CN214243137U
Application number: CN202023106762.XU
Authority: CN
Inventors: 梁建平
Original assignee: Shanghai Beicheng Machinery Manufacturing Co ltd
Current assignee: Shanghai Beicheng Machinery Manufacturing Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-09-21
Anticipated expiration: 2030-12-22

Abstract

The utility model relates to a floating roll tension adjustment mechanism, it includes the frame, and the frame includes two parallel support boards, still including setting up the tensioning roller between two backup pads, and coaxial rotation sets up the axis of rotation in the tensioning roller, has set firmly the slide rail along vertical direction on the inside wall of two backup pads, and the both ends and two slide rails of axis of rotation slide and are connected, are provided with in the frame to be used for ordering about axis of rotation gliding drive arrangement on the slide rail. The staff walks around the coiled material from the tensioning roller, and the back is lax to the coiled material on the compounding machine, and the staff passes through drive arrangement, orders about the axis of rotation and removes on the slide rail to make the epaxial tensioning roller of rotation lift thereupon between two backup pads, thereby make the tensioning roller remove to hug closely the state with the coiled material, make the coiled material keep tight, make the compounding machine on the coiled material compound accurate, this application has the effect that improves product quality.

Description

Floating roll tension adjusting mechanism

Technical Field

The application relates to the technical field of compound machines, in particular to a floating roll tension adjusting mechanism.

Background

The complex machine is to bond two or more layers of materials into a whole by using an adhesive. The original material can obtain new functions. Such as films and aluminum foils, films, papers, nonwovens, etc., are often used. Or can be compounded with film, sponge, cloth, etc. The common flexible packaging materials are basically composite finished products.

The patent of grant bulletin No. CN211619455U discloses a novel compounding machine, comprises a workbench, two first backup pads of upper end one side fixedly connected with of workstation, it is connected with unwinding mechanism to rotate between two first backup pads, the first motor of fixedly connected with on the lateral wall of workstation, first motor is connected with unwinding mechanism through first drive mechanism, and first drive mechanism rotates and connects on the lateral wall of one of them first backup pad, two second backup pads of upper end middle part fixedly connected with of workstation, it is connected with hot pressing roller set to rotate between two second backup pads.

With respect to the related art among the above, there are the following drawbacks: the head station and the tail station of the compound machine are provided with the unwinding mechanism and the winding mechanism, and the unwinding speed and the winding speed of the unwinding mechanism and the winding speed of the winding mechanism are different, so that the plastic film is easy to be not piled up or loosened in the transmission process, and the normal operation of the compound machine is influenced.

SUMMERY OF THE UTILITY MODEL

In order to keep the coil stock on the compounding machine tight, this application provides a floating roll tension adjustment mechanism.

The application provides a floating roll tension adjustment mechanism adopts following technical scheme:

the utility model provides a floating roll tension adjustment mechanism, includes the frame, the frame includes two parallel support boards, still including setting up the tensioning roller between two backup pads, coaxial rotation sets up the axis of rotation in the tensioning roller, two along vertical direction on the inside wall of backup pad set firmly the slide rail, the both ends and two slide rails of axis of rotation slide and are connected, be provided with in the backup pad and be used for ordering about axis of rotation gliding drive arrangement on the slide rail.

Through adopting above-mentioned technical scheme, the staff walks around the coiled material from the tensioning roller, and the back is lax to the coiled material on the compounding machine, and the staff passes through drive arrangement, orders about the axis of rotation and removes on the slide rail to make the epaxial tensioning roller of rotation lift thereupon between two backup pads, thereby make the tensioning roller remove to hug closely the state with the coiled material, make the coiled material keep tight, make the compounding of coiled material accurate on the compounding machine, improve product quality.

Optionally, the driving device comprises a connecting shaft, a first chain wheel and a first chain, the connecting shaft is rotatably arranged on the supporting plate, the connecting shaft is located above the sliding rail, the first chain wheel is coaxially rotatably arranged at the end part of the connecting shaft located in the two supporting plates, the first chain is wound on the first chain, one end of the first chain is fixedly connected with the outer teeth of the first chain wheel, the other end of the first chain is fixedly connected with the rotating shaft, and a driving assembly used for driving the connecting shaft to rotate is arranged on the supporting plate.

Through adopting above-mentioned technical scheme, after the staff started drive assembly, drive assembly drove first sprocket and rotates, and first sprocket rotates the in-process, makes first chain winding on first sprocket to with axis of rotation and tensioning roller pulling rise, when first sprocket reversal, under the action of gravity, dwang and tensioning roller naturally drove on the slide rail, simple structure, maintenance, convenient operation.

Optionally, drive assembly includes cylinder, second sprocket and second chain, the coaxial fixed connection of second sprocket is at the tip that is located the outer connecting axle of two backup pads, the second chain is around establishing on the second sprocket, the one end of second chain and the external tooth fixed connection of second sprocket, the cylinder sets up the outside in the backup pad, the second chain around establishing the direction around establishing the opposite direction of direction with first chain, the cylinder is used for ordering about the second chain and keeps away from.

Through adopting above-mentioned technical scheme, behind the staff start-up backup pad outside the cylinder, make the piston rod shrink of cylinder, and the expansion end that drives the second chain keeps away from the second sprocket, through the connecting axle transmission, make the inboard first sprocket of backup pad rotate, and make the first antithetical couplet of first sprocket rolling transfer, promote connecting axle and tensioning roller, when second sprocket rolling second chain, first chain relaxs on the first sprocket and emits, establish the outside at the backup pad with drive arrangement, can effectively save the inboard space of backup pad, it is convenient to make drive assembly overhaul to maintain.

Optionally, the outer side wall of the supporting plate is provided with a connecting rod in a rotating mode, one end of the connecting rod is provided with a third chain wheel in a rotating mode, the outer wall of the supporting plate is fixedly connected with a fixed block, one end of the second chain, far away from the second chain wheel, is fixedly connected with the fixed block, the middle of the second chain is arranged on the third chain wheel in a winding mode, the cylinder is arranged on the supporting plate in a rotating mode, and the piston end of the cylinder is connected with the connecting rod in a rotating mode.

Through adopting above-mentioned technical scheme, drive the connecting rod and rotate in the backup pad when the piston rod of cylinder is flexible to through the third sprocket as pulley drive, make the second chain have bigger home range on the second sprocket, increase the rotation axis and go up and down the proportion between high and the piston rod displacement, make the rotation axis go up and down more sensitively.

Optionally, the rigid coupling has the regulating block in the axis of rotation, first screw rod is worn to be equipped with by vertical slip on the regulating block, threaded connection has two first nuts on the first screw rod, two first nut be located the both sides of regulating block and with the regulating block butt, the one end and the first screw rod fixed connection of first sprocket are kept away from to first chain.

Through adopting above-mentioned technical scheme, the staff adopts two first nut threaded connection again on first screw rod through adjusting first screw rod relative position on the regulating block to first screw rod location behind two first nuts butt regulating block both ends respectively, can finely tune the height of the both ends on the slide rail of axis of rotation, make things convenient for the staff to adjust the levelness of tensioning roller.

Optionally, the first chain is connected with the rotating shaft along the length direction of the sliding rail, an angular displacement sensor is fixedly connected to the outer wall of the supporting plate, and a contact of the angular displacement sensor is in transmission connection with the connecting shaft.

Through adopting above-mentioned technical scheme, when the connecting axle rotates and drives axis of rotation and tensioning roller and goes up and down in the backup pad, the connecting axle passes through the transmission and connects, hold in range and move angular displacement sensor's contact and rotate, through angular displacement sensor, turn into the signal of telecommunication of angle numerical value with connecting axle pivoted angle, and present for the staff through computer or display, the staff is through calculating the path length that the chain was walking in the same angle of rotation on the first sprocket, can obtain the height that goes up and down of connecting axle and tensioning roller in the backup pad, can the accurate height that goes up and down of adjusting the tensioning roller in the backup pad.

Optionally, a second screw rod is penetrated through the fixed block in a vertical sliding mode, two second nuts are connected to the second screw rod in a threaded mode and located on two sides of the fixed block and abutted to the fixed block, and one end, far away from the second chain wheel, of the second chain is fixedly connected with the second screw rod.

Through adopting above-mentioned technical scheme, the staff adjusts the relative position of second screw rod on the fixed block, adopts two second nut threaded connection again on the second screw rod to it is fixed with first screw rod and fixed block behind the both ends of fixed block at two second nuts butt respectively, thereby finely tunes the rate of tension of second chain, prevents effectively that the second chain from being lengthened after long-time the use, improves the adjustment accuracy of tensioning roller height.

Optionally, the inner side wall of the supporting plate is fixedly connected with two check blocks, the two check blocks are located at two ends of the sliding rail, a buffer block is fixedly arranged on the rotating shaft, and the buffer block can be in contact with the check blocks.

Through adopting above-mentioned technical scheme, when tensioning roller and axis of rotation moved to highest position and lowest position in the backup pad, the epaxial buffer block of axis of rotation can play buffering cushioning effect with the dog butt in the backup pad.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the coiled material is wound by the worker from the tension roller, after the coiled material is loosened on the compound machine, the worker drives the rotating shaft to move on the sliding rail through the driving device, so that the tension roller on the rotating shaft is lifted between the two supporting plates, the tension roller is moved to be in close contact with the coiled material, the coiled material is kept tight, the coiled material on the compound machine is accurately compounded, and the product quality is improved;

2. when a piston rod of the air cylinder stretches, the connecting rod is driven to rotate on the supporting plate, and the third chain wheel is used as a pulley for transmission, so that a second chain has a larger moving range on the second chain wheel, the proportion between the lifting height of the rotating shaft and the moving distance of the piston rod is increased, and the rotating shaft is more sensitive to lifting;

3. when the connecting shaft rotates and drives the rotating shaft and the tension roller to lift in the supporting plate, the rotating angle of the connecting shaft can be converted into an electric signal of an angle value through the angular displacement sensor, the electric signal is presented to a worker through a computer or a display, the worker can calculate the lifting height of the connecting shaft and the tension roller in the supporting plate, and the lifting height of the tension roller in the supporting plate can be accurately adjusted.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of a driving device according to an embodiment of the present application.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 3.

Description of reference numerals: 1. a frame; 11. a support plate; 12. a tension roller; 2. a rotating shaft; 21. an adjusting block; 22. a first screw; 23. a first nut; 3. a slide rail; 31. a stopper; 32. a buffer block; 4. a drive device; 41. a connecting shaft; 42. a first sprocket; 43. a first chain; 5. a drive assembly; 51. a cylinder; 52. a second sprocket; 53. a second chain; 54. a connecting rod; 55. a third sprocket; 56. a fixed block; 57. a second screw; 58. a second nut; 6. an angular displacement sensor.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a floating roll tension adjusting mechanism. Referring to fig. 1 and 2, including frame 1 and floating roll, frame 1 includes perpendicular to ground, and two backup pads 11 that are parallel to each other, and the floating roll includes axis of rotation 2 to and coaxial rotation cup joints's tensioning roller 12 on the axis of rotation 2. The wall that two backup pads 11 are close to each other is the inner wall of backup pad 11, all has slide rail 3 along vertical direction welded fastening on the inner wall of two backup pads 11, and the track on two backup pads 11 is just right each other. In this embodiment, the cross section of the slide rail 3 is U-shaped, and the rotating rod is located between the two supporting plates 11. The both ends of axis of rotation 2 joint respectively in two slide rails 3 to slide along vertical direction on slide rail 3. The supporting plates 11 are provided with driving devices 4 for driving the two ends of the rotating shaft 2 to ascend and descend between the supporting plates 11.

Referring to fig. 1 and 2, in the present embodiment, the driving device 4 includes a connecting shaft 41, a first sprocket 42, and a first chain 43. The connecting shaft 41 is arranged above the sliding rail 3, the connecting shaft 41 is parallel to the rotating shaft 2, and two ends of the connecting shaft 41 penetrate through the two support plates 11 and are rotatably connected with the support plates 11. First sprocket 42 is coaxial fixed cup joints on connecting axle 41, and first sprocket 42 is equipped with two, all lies in between two backup pads 11, and is close to two backup pads 11 settings respectively. The first chain 43 is wound on the first chain wheel 42, one end of the first chain 43 is fixedly connected with a sprocket pin of the first chain wheel 42, and the other end of the first chain 43 hangs down along the length direction of the slide rail 3 and is connected with the rotating shaft 2.

The both ends of axis of rotation 2 are fixed the cover respectively and are connect with regulating block 21, and the first perforation that runs through regulating block 21 and axis of rotation 2 is seted up along vertical direction on the regulating block 21, wears to be equipped with first screw rod 22 in the first perforation, and threaded connection has two first nuts 23 on the first screw rod 22. After the two ends of the first screw 22 penetrate out of the two ends of the first through hole in the adjusting block 21, the two first nuts 23 respectively abut against the top wall and the bottom wall of the adjusting block 21 in a threaded manner, so that the first screw 22 and the adjusting block 21 are fixed. The first chain 43 is far away from one end of the first chain wheel 42, and is fixedly connected with the top end of the first screw 22 through a pin shaft, and the heights of the two ends of the rotating shaft 2 can be adjusted by adjusting the positions of the first screw 22 at the two ends of the rotating shaft 2 fixed on the adjusting block 21, so as to adjust the levelness of the tensioning roller 12.

Referring to fig. 3 and 4, in order to make the components of the compound machine compact, a driving assembly 5 for driving the connecting shaft 41 to rotate is provided on the outer side of the two support plates 11, and the driving assembly 5 includes a cylinder 51, a second sprocket 52 and a second chain 53. The second sprocket 52 is coaxially fixed to one end of the connecting shaft 41 through the support plate 11, the second chain 53 is wound around the second sprocket 52, and the winding direction of the second chain 53 on the second sprocket 52 is opposite to the winding direction of the first chain 43 on the first sprocket 42. The end of the second chain 53 wound around the second sprocket 52 is fixedly connected to one tooth of the second sprocket 52 by a pin. The outer wall of the supporting plate 11 is hinged with a connecting rod 54, the connecting rod 54 is rotatably provided with a third chain wheel 55, and the movable end of the second chain 53 bypasses the third chain wheel 55. The outer wall of the supporting plate 11 is further fixedly provided with a fixing block 56 through a bolt, the fixing block 56 is vertically provided with a second through hole, a second screw 57 penetrates through the second through hole, and the second screw 57 is connected with two second nuts 58 which are respectively used for abutting against two side walls with through holes and openings on the fixing block 56 through threads. The movable end of the second chain 53 is fixedly connected to the second screw 57 by a pin after bypassing the third sprocket 55.

The cylinder 51 is hinged on the support plate 11, a connecting block is fixedly mounted at the piston end of the cylinder 51 through a bolt, and the connecting block is rotatably connected with the connecting rod 54. The hinge axis of the connecting rod 54 and the support plate 11, the hinge axis 2 of the connecting rod 54 and the connecting block, the hinge axis of the cylinder 51, and the rotation axis 2 of the third sprocket 55 are all parallel to the axis of the connecting shaft 41.

Referring to fig. 1 and 2, in order to reduce the impact of collision that appears when axis of rotation 2 moves extreme position on slide rail 3, bolt fixedly connected with dog 31 is still distinguished to the both sides of the top and the bottom of slide rail 3, and fixed the cup jointing has buffer block 32 in axis of rotation 2, and the material of buffer block 32 is rubber, and axis of rotation 2 all can make buffer block 32 and dog 31 contact when ascending and descending to top and bottom at slide rail 3.

Referring to fig. 3 and 4, in order to accurately control and calculate the height of the rotating shaft 2 and the tension roller 12 lifted on the support plate 11, an angular displacement sensor 6 is also fixedly mounted on the support plate 11 by bolts. In the embodiment, the type of the adopted angular displacement sensor 6 is WDY35D-8T, the angular displacement sensor 6 is provided with a rotating contact, and the axis of the rotating contact is parallel to the axis of the connecting shaft 41. The contact of the angular displacement sensor 6 is in mechanical transmission connection with the connecting shaft 41, and can be in gear transmission connection or in transmission connection with a chain wheel and a chain in a matching manner. In this embodiment, the contact of the angular displacement sensor 6 is coaxially and fixedly sleeved with a first gear, the connecting shaft 41 is coaxially and fixedly sleeved with a second gear, and the first gear is engaged with the second gear. The angular displacement sensor 6 is externally connected with a computer or a processor, converts the rotational angular displacement of the connecting shaft 41 into an electric signal, transmits the electric signal to the computer or the processor, calculates the lifting distance of the rotating shaft 2 through a built-in calculation formula, and displays the data on a display.

The application principle of a floating roll tension adjusting mechanism in the embodiment of the application is as follows: the operator passes the web around the tension roller 12 and, after the web is loosened in the laminating machine, the operator causes the piston rod of the cylinder 51 to extend and retract by actuating the cylinder 51 and causes the link 54 to rotate about the hinge axis of the support plate 11. The second chain 53 moves on the third chain wheel 55 by changing the position of the third chain wheel 55 along with the connecting rod 54, and drives the second chain wheel 52 to rotate. Then, when the second chain wheel 52 rotates through the connecting shaft 41, the first chain wheel 42 is driven to synchronously rotate, and under the action of the pulling force of the first chain wheel 42 and the gravity of the rotating shaft 2 and the tensioning wheel, the rotating shaft 2 moves on the sliding rail 3, so that the tensioning roller 12 on the rotating shaft 2 is lifted between the two supporting plates 11. Therefore, the tensioning roller 12 moves to be in close contact with the coiled material, the coiled material is kept tensioned, the coiled material on the compound machine is accurately compounded, and the product quality is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a floating roll tension adjustment mechanism, includes frame (1), frame (1) includes two parallel support plate (11), its characterized in that: the device is characterized by further comprising a tensioning roller (12) arranged between the two supporting plates (11), wherein a rotating shaft (2) is coaxially arranged in the tensioning roller (12) in a rotating mode, sliding rails (3) are fixedly arranged on the inner side walls of the two supporting plates (11) along the vertical direction, two ends of the rotating shaft (2) are connected with the two sliding rails (3) in a sliding mode, and a driving device (4) used for driving the rotating shaft (2) to slide on the sliding rails (3) is arranged on the rack (1);

the driving device (4) comprises a connecting shaft (41), a first chain wheel (42) and a first chain (43), the connecting shaft (41) is rotatably arranged on the supporting plates (11), the connecting shaft (41) is positioned above the sliding rail (3), the first chain wheel (42) is coaxially and rotatably arranged at the end part of the connecting shaft (41) positioned in the two supporting plates (11), the first chain (43) is wound on the first chain (43), one end of the first chain (43) is fixedly connected with the outer teeth of the first chain wheel (42), the other end of the first chain (43) is fixedly connected with the rotating shaft (2), and a driving assembly (5) for driving the connecting shaft (41) to rotate is arranged on the supporting plates (11);

drive assembly (5) include cylinder (51), second sprocket (52) and second chain (53), the coaxial fixed connection of second sprocket (52) is at the tip that is located two outer connecting axles (41) of backup pad (11), second chain (53) are around establishing on second sprocket (52), the one end of second chain (53) and the external tooth fixed connection of second sprocket (52), cylinder (51) set up the outside at backup pad (11), the direction is established around establishing opposite direction with the winding of first chain (43) to second chain (53), cylinder (51) are used for driving second chain (53) and keep away from.

2. The dancer tension adjustment mechanism of claim 1, wherein: rotate on the lateral wall of backup pad (11) and be provided with connecting rod (54), the one end rotation of connecting rod (54) is provided with third sprocket (55), the rigid coupling has fixed block (56) on the outer wall of backup pad (11), the one end and the fixed block (56) fixed connection of second sprocket (52) are kept away from in second chain (53), the middle part of second chain (53) is around establishing on third sprocket (55), cylinder (51) rotate and set up on backup pad (11), the piston end and the connecting rod (54) of cylinder (51) rotate and are connected.

3. A dancer tension adjustment mechanism as in claim 2, wherein: the rigid coupling has regulating block (21) on axis of rotation (2), vertical slip is worn to be equipped with first screw rod (22) on regulating block (21), threaded connection has two first nuts (23) on first screw rod (22), two first nut (23) are located the both sides of regulating block (21) and with regulating block (21) butt, the one end and first screw rod (22) fixed connection of first sprocket (42) are kept away from in first chain (43).

4. A dancer tension adjustment mechanism as in claim 2, wherein: the first chain (43) is connected with the rotating shaft (2) along the length direction of the sliding rail (3), an angular displacement sensor (6) is fixedly connected to the outer wall of the supporting plate (11), and a contact of the angular displacement sensor (6) is in transmission connection with the connecting shaft (41).

5. The dancer tension adjustment mechanism of claim 4, wherein: vertical slip is worn to be equipped with second screw rod (57) on fixed block (56), threaded connection has two second nuts (58) on second screw rod (57), two second nut (58) are located the both sides of fixed block (56) and with fixed block (56) butt, the one end and second screw rod (57) fixed connection of second sprocket (52) are kept away from in second chain (53).

6. The dancer tension adjustment mechanism of claim 1, wherein: the utility model discloses a bearing support, including axis of rotation (2), the inboard wall of backup pad (11) is gone up the rigid coupling and is had two dogs (31), two dogs (31) are located the both ends of slide rail (3), fixed buffer block (32) that are provided with on axis of rotation (2), buffer block (32) can contact with dog (31).