CN210366230U

CN210366230U - Pendulum type elastic frame device

Info

Publication number: CN210366230U
Application number: CN201921185782.5U
Authority: CN
Inventors: 张洋
Original assignee: Changzhou Hongren Intelligent Technology Co ltd
Current assignee: Changzhou Hongren Intelligent Technology Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-21
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a pendulum-type elasticity frame device, including counter roll and swing arm, swing arm perpendicular to counter roll and with the counter roll rotationally connects, one side of swing arm is connected with the vaulting pole, and the opposite side is connected with the deflector roll, still include can with deflector roll coaxial rotation's balancing weight, the balancing weight is adjustable for the arm of force length of counter roll. The counterweight scheme of the utility model has good follow-up property and rapid reaction, and can avoid the problems of unequal output when the cylinder type elastic frame uses bidirectional movement for the movement stagnation phenomenon caused by the influence of the friction force between the cylinder piston and the cylinder body; the utility model discloses at the synchronous speed governing in-process, when elasticity frame swing arm angle changes, it is unchangeable basically to exert oneself, has guaranteed the tensile uniformity of technology, has solved the spring formula elasticity frame speed governing in-process and has made the inconsistent principle problem of technology tension because of the swing arm angle changes.

Description

Pendulum type elastic frame device

Technical Field

The utility model relates to an adjustable tensile elasticity frame, more specifically say, relate to a conveniently adjust tensile elasticity frame device of fabric technology with the method of the electric adjustment balancing weight arm of force.

Background

In the industries of printing and dyeing, after finishing, papermaking, film manufacturing and the like, the take-up stand is widely used in a production line, and aims to ensure the synchronization of all transmission units in the production line and ensure the tension of a processed object (fabric, paper, film and the like) between the two transmission units to be constant without being influenced by the fluctuation of the vehicle speed. The pendulum-type elastic frame is the most common due to the simple structure, and at present, the pendulum-type elastic frame is divided into a counterweight type, a cylinder type and a torsion spring type according to a setting method of process tension. The torsion spring type corresponds to different output forces at different torsion angles, and the process tension is unstable when the vehicle speed is unstable, so that the principle defect exists. The cylinder type has poor follow-up property due to the friction problem between the piston and the cylinder body and the air inlet and outlet problems, and is not suitable for use when the process tension is small. The counterweight type follow-up property is best, and the counterweight type elastic frame is suitable for small process tension, but the conventional counterweight type elastic frame is a manual counterweight, and the counterweight type elastic frame needs to be stopped for manual operation when the process tension needs to be adjusted, is troublesome and unintuitive, and is not suitable for the production process of various small-batch production and sensitive tension.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be fit for many varieties small batch, the elasticity frame device that uses under the little technological tension condition, conveniently adjust tension size. The device is a pendulum type elastic frame device which is suitable for electrically adjusting the force arm of a balancing weight block with small process tension so as to adjust the process tension.

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model provides a pendulum-type take-up unit, includes fulcrum shaft and swing arm, swing arm perpendicular to fulcrum shaft and with the fulcrum shaft rotationally connects, one side of swing arm is connected with the vaulting pole, and the opposite side is connected with the deflector roll, still includes the balancing weight that can with the coaxial rotation of deflector roll, the balancing weight is adjustable for the arm of force length of fulcrum shaft.

Furthermore, the end part of the support shaft is provided with a counterweight block mounting and adjusting seat, the counterweight block mounting and adjusting seat is provided with a motor and a lead screw connected with the motor, the lead screw is provided with a counterweight block, the extending direction of the lead screw is the same as that of the swing arm, and the counterweight block can move along the lead screw.

Furthermore, the end part of the fulcrum shaft is provided with a bearing with a seat, and the counterweight block mounting and adjusting seat is connected with the end part of the fulcrum shaft through the bearing with the seat.

Furthermore, two ends of the fulcrum shaft are respectively provided with a balancing weight mounting and adjusting seat.

Furthermore, the end part of the fulcrum is connected with the middle part of the counterweight block mounting and adjusting seat, so that the screw rod is symmetrical relative to the fulcrum.

Furthermore, the device also comprises a synchronous sensor, and a chain wheel is arranged at the end part of the fulcrum shaft, and an angle signal is transmitted to the synchronous sensor through the chain wheel.

Furthermore, one end of the swing arm extends towards the side, a motor and a screw rod connected with the motor are arranged on the swing arm, a balancing weight is arranged on the screw rod, the extending direction of the screw rod is the same as the extending direction of the swing arm, and the balancing weight can move along the screw rod.

Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:

(1) the utility model discloses a counter weight scheme is along with mobility good, and the reaction is rapid, can avoid cylinder type elasticity frame because of the motion that cylinder piston and cylinder body frictional force influence produced stagnates the not scheduling problem of exerting oneself when hindering phenomenon and using two-way motion, and this kind of problem can not neglect when technology tension is less.

(2) The utility model discloses at the synchronous speed governing in-process, when elasticity frame swing arm angle changes, it is unchangeable basically to exert oneself, has guaranteed the tensile uniformity of technology, has solved the spring formula elasticity frame speed governing in-process and has made the inconsistent principle problem of technology tension because of the swing arm angle changes.

(3) The utility model discloses change the balancing weight arm of force with electric mode and reach the requirement that changes the process tension, convenient, swift, can online processing, solved the trouble shortcoming of traditional weight formula elasticity frame regulation.

Drawings

FIG. 1 is a schematic structural view of a pendulum tensioner assembly according to an embodiment I;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural view of a pendulum tensioner assembly of a second embodiment;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

fig. 5 is a first schematic diagram of the present invention;

fig. 6 is a second schematic diagram of the present invention.

The labels in the figure are: 1. a fulcrum; 2. swinging arms; 3. a guide roller; 4. a stay bar; 5. a pedestal bearing; 6. the balancing weight is provided with an adjusting seat; 7. a motor; 8. a screw rod; 9. a balancing weight; 10. a sprocket; 11. and (6) synchronizing the sensors.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The utility model relates to a pendulum-type elasticity frame device, the device include counter roll 1 and

swing arm

2, 2 perpendicular to counter roll 1 of swing arm and with counter roll 1 rotationally connects, one side of swing arm 2 is connected with vaulting pole 4, and the opposite side is connected with deflector roll 3, still including can with 3 coaxial rotation's of deflector roll balancing weight 9, balancing weight 9 is adjustable for counter roll 1's arm of force length.

Example one

The pendulum-type take-up unit structure of this embodiment is shown in fig. 1 and 2, the tip of fulcrum shaft 1 is equipped with balancing weight installation and regulation seat 6, be provided with motor 7 and the lead screw 8 that links to each other with motor 7 on the balancing weight installation and regulation seat 6, be equipped with balancing weight 9 on the lead screw 8, the extending direction of lead screw 8 is the same with the extending direction of swing arm 2, balancing weight 9 can follow the motion of lead screw 8. The end part of the fulcrum shaft 1 is provided with a bearing with a seat 5, and the balancing weight mounting and adjusting seat 6 is connected with the end part of the fulcrum shaft 1 through the bearing with a seat 5. Two ends of the support shaft 1 are respectively provided with a balancing weight mounting and adjusting seat 6. The end part of the fulcrum shaft 1 is connected with the middle part of the counterweight block mounting and adjusting seat 6, so that the screw rod 8 is symmetrical relative to the fulcrum shaft 1. The pendulum-type take-up bracket device of the present embodiment further includes a synchronization sensor 11, a sprocket 10 is further provided at an end of the support shaft 1, and an angle signal is transmitted to the synchronization sensor 11 through the sprocket 10.

The swing arm 2 and the counterweight block mounting and adjusting seat 6 are both fixedly connected to the fulcrum shaft 1, swing with the fulcrum shaft 1 as a fulcrum, and an angle signal is transmitted to the synchronous sensor 11 through a chain wheel 10 fixedly connected to the fulcrum shaft 1. The motor 7 acts to drive the screw rod 8 to move the balancing weight 9, so as to change the force arm of the balancing weight 9 relative to the fulcrum 1.

Example two

When the balancing weight only needs to be arranged on the other side of the guide roller relative to the fulcrum, a second embodiment is provided. The pendulum-type elastic frame device structure of this embodiment is shown in fig. 3 and 4, the one end of swing arm 2 extends to side, be equipped with the motor on the swing arm 2 and the lead screw 8 that links to each other with motor 7, be equipped with balancing weight 9 on the lead screw 8, the extending direction of lead screw 8 is the same with the extending direction of

swing arm

2, 8 movements of lead screw can be followed to balancing weight 9. The pendulum-type take-up bracket device of the present embodiment further includes a synchronization sensor 11, a sprocket 10 is further provided at an end of the support shaft 1, and an angle signal is transmitted to the synchronization sensor 11 through the sprocket 10.

The working principle of the utility model is shown in figure 5 and figure 6. In the figure, T is the process tension; g1 is guide roll weight; l1 is the arm length from the guide roller to the fulcrum; g2 is the weight of the balancing weight; l2 is the length (adjustable) of the arm of force from the counterweight to the fulcrum.

The force balance equation for FIG. 5 is:

(2T-G1)*L1＝G2*L2

T＝(G2*L2/L1+G1)/2

the force balance equation for FIG. 6 is:

(2T+G1)*L1＝G2*L2

T＝(G2*L2/L1-G1)/2

l2 was adjusted with different T values.

The utility model discloses change balancing weight arm of force length with electric mode and adjust required process tension, this counter weight scheme is along with mobility good, and the reaction is rapid, can avoid cylinder type elasticity frame because of the motion stagnation that cylinder piston and cylinder body frictional force influence produced hinders the not scheduling problem of exerting oneself when phenomenon uses two-way motion.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pendulum-type elasticity frame device which characterized in that: including fulcrum (1) and swing arm (2), swing arm (2) perpendicular to fulcrum (1) and with fulcrum (1) rotationally connects, one side of swing arm (2) is connected with vaulting pole (4), and the opposite side is connected with deflector roll (3), still including balancing weight (9) that can with deflector roll (3) coaxial rotation, balancing weight (9) are adjustable for the arm of force length of fulcrum (1).

2. The pendulum tensioner assembly of claim 1, further comprising: the end of the support shaft (1) is provided with a balancing weight installation adjusting seat (6), the balancing weight installation adjusting seat (6) is provided with a motor (7) and a lead screw (8) connected with the motor (7), the lead screw (8) is provided with a balancing weight (9), the extending direction of the lead screw (8) is the same as the extending direction of the swing arm (2), and the balancing weight (9) can move along the lead screw (8).

3. The pendulum tensioner assembly of claim 2, further comprising: the end of the support shaft (1) is provided with a bearing (5) with a seat, and the balancing weight mounting and adjusting seat (6) is connected with the end of the support shaft (1) through the bearing (5) with a seat.

4. The pendulum tensioner assembly of claim 2, further comprising: two ends of the fulcrum shaft (1) are respectively provided with a balancing weight mounting and adjusting seat (6).

5. The pendulum tensioner assembly of claim 2, further comprising: the end part of the fulcrum shaft (1) is connected with the middle part of the counterweight block mounting and adjusting seat (6), so that the screw rod (8) is symmetrical relative to the fulcrum shaft (1).

6. The pendulum tensioner assembly of claim 2, further comprising: the angle adjusting device is characterized by further comprising a synchronous sensor (11), a chain wheel (10) is further arranged at the end of the fulcrum shaft (1), and an angle signal is transmitted to the synchronous sensor (11) through the chain wheel (10).

7. The pendulum tensioner assembly of claim 1, further comprising: the one end of swing arm (2) is extended to side, be equipped with motor and lead screw (8) that link to each other with motor (7) on swing arm (2), be equipped with balancing weight (9) on lead screw (8), the extending direction of lead screw (8) is the same with the extending direction of swing arm (2), lead screw (8) motion can be followed in balancing weight (9).

8. The pendulum tensioner assembly of claim 7, wherein: the angle adjusting device is characterized by further comprising a synchronous sensor (11), a chain wheel (10) is further arranged at the end of the fulcrum shaft (1), and an angle signal is transmitted to the synchronous sensor (11) through the chain wheel (10).