CN214933138U

CN214933138U - High-precision electric push rod type steel belt automatic deviation rectifying transmission device

Info

Publication number: CN214933138U
Application number: CN202023147010.8U
Authority: CN
Inventors: 潘大硕; 林国栋
Original assignee: Nanjing Mingke Transmission System Co ltd
Current assignee: Nanjing Mingke Transmission System Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-11-30
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a high accuracy electric push rod formula steel band transmission of rectifying automatically, which comprises a frame, set up the driving motor who is used for the driven wheel hub of steel band and is used for providing power in the frame, wheel hub includes driving wheel hub and follows the driving wheel hub, driving motor's transmission shaft is connected with driving wheel hub, driving wheel hub and driven wheel hub's both ends are respectively through bearing frame and frame sliding connection, the bearing frame is including setting up the regulation bearing frame and rectifying the bearing frame, be equipped with in the frame and be used for driving the gliding adjustment subassembly of regulation bearing frame and be used for driving the gliding rectifying subassembly of rectifying the bearing frame, set up the sensor of rectifying that is used for detecting the steel band skew in the frame; the utility model discloses a subassembly and the sensor cooperation of rectifying realize the automatic of steel band and rectify that electric putter tip adopts superimposed dish spring design, makes electric putter movement unit distance reduce the tension that the steel band produced, and the control tension of being convenient for promotes the control accuracy, avoids causing the damage to the steel band at the in-process of rectifying.

Description

High-precision electric push rod type steel belt automatic deviation rectifying transmission device

Technical Field

The utility model relates to a steel band transmission technical field, concretely relates to high accuracy electric putter formula steel band automatic deviation rectification transmission.

Background

In a traditional steel belt deviation rectifying system, a hydraulic cylinder or an air cylinder is used for generating tension at two ends of a steel belt, the steel belt is tensioned and transmitted, if deviation occurs, a sensor (a proximity switch or a grating or a displacement sensor and the like) detects a deviation signal, the PID control of a proportional valve is adjusted through a control system to change the tension of tensioning oil cylinders (or air cylinders) at two ends of the steel belt, the traditional deviation rectifying system needs a hydraulic station or an air compressor and the like, the occupied space is large, the Young modulus of the steel belt is large under the tensioning state, micro deformation can generate huge stress, and therefore a hydraulic machine or the air cylinder is adopted to directly push the steel belt rigidly, and the steel belt is easy to damage.

SUMMERY OF THE UTILITY MODEL

The technical purpose is as follows: to current steel band conveying equipment occupation space big, the installation is complicated and easily damage not enough such as steel band, the utility model discloses a compact structure, the structure of rectifying simplifies and can be accurate carry out the high accuracy electric putter formula steel band automatic deviation rectification transmission who rectifies.

The technical scheme is as follows: in order to achieve the technical purpose, the utility model adopts the following technical scheme:

a high-precision electric push rod type steel belt automatic deviation rectifying transmission device comprises a rack, wherein hubs perpendicular to the length direction of the rack are arranged on the rack, a rotating shaft is arranged in the centers of the hubs, the hubs comprise a driving hub and a driven hub, the driving hub and the driven hub are respectively arranged at two ends along the length direction of the rack, a driving motor for driving the driving hub to rotate is arranged on the rack, and the driving motor is connected with the rotating shaft of the driving hub;

adjusting bearing seats are arranged at two ends of the driving hub, the driving hub is connected with the rack through the adjusting bearing seats, the driving hub is rotatably connected with a bearing arranged in the adjusting bearing seats, deviation correcting bearing seats are arranged at two ends of the driven hub, the driven hub is connected with the rack through the deviation correcting bearing seats, and the driven hub is rotatably connected with the bearing arranged in the deviation correcting bearing seats;

the adjusting bearing seat and the deviation rectifying bearing seat are connected with the rack in a sliding mode along the length direction of the rack, a deviation rectifying assembly used for driving the deviation rectifying bearing seat to slide is arranged on the rack along the length direction, one end of the deviation rectifying assembly is connected with the deviation rectifying bearing seat, the other end of the deviation rectifying assembly is fixed on the rack, a deviation rectifying sensor used for detecting deviation of a steel belt is arranged on the rack, the deviation rectifying sensor is arranged at two ends of a driven hub, and the deviation rectifying sensor is electrically connected with the deviation rectifying assembly.

Preferably, the subassembly of rectifying includes electric putter and dish spring, and electric putter fixes in the frame, and electric putter's promotion direction is parallel with the length direction of frame, and the bearing frame of rectifying sets up guide sleeve on the side of electric putter place one side, and guide sleeve's center and electric putter are located same water flat line, and the dish spring is located guide sleeve's inside, and electric putter's tip sets up the push rod briquetting, and electric putter passes through the push rod briquetting and is connected with the dish spring.

Preferably, the rack is provided with an adjusting component for driving the adjusting bearing seat to slide along the length direction of the rack, the adjusting component is located on one side of the sliding direction of the adjusting bearing seat, the adjusting component is parallel to the sliding direction of the adjusting bearing seat, one end of the adjusting component is connected with the adjusting bearing seat, and the other end of the adjusting component is connected with the rack.

Preferably, the adjusting assembly adopts an adjusting rod, and the adjusting rod is connected with the rack in a matching manner through a screw rod mechanism.

Preferably, the upper and lower terminal surfaces of the adjusting bearing seat and the deviation rectifying bearing seat are both provided with a sliding groove, and the machine frame is provided with a sliding rail matched with the sliding groove at a position corresponding to the sliding groove.

Preferably, the deviation-rectifying sensor is fixedly connected with the rack through a fixed support, and the deviation-rectifying sensor is electrically connected with the deviation-rectifying component on the same side.

Has the advantages that: the utility model provides a high accuracy electric putter formula steel band automatic deviation transmission has following beneficial effect:

1. the utility model discloses a set up the subassembly of rectifying, carry out the steel band through electric putter and dish spring cooperation and rectify, occupation space is little, and the installation is nimble to the existence of dish spring is cushioned for the steel band stress, can effectively avoid the too big damage that causes the steel band of stress in the twinkling of an eye.

2. The utility model discloses set up adjusting part at action wheel hub both ends for carry out the preconditioning to the steel band at the steel band installation phase, guarantee that initiative wheel hub is parallel with from the driving wheel hub, and when there is the deviation in steel band length, adjust initiative wheel hub and from the interval between the driving wheel hub, adaptability is good, can guarantee the transmission effect.

3. The utility model discloses a sensor of rectifying detects the skew situation of steel band to control rather than the subassembly cooperation adjustment steel band atress of rectifying of homonymy, carry out the steel band and rectify, independently monitor the effect of rectifying, the adjustment is timely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a partial enlarged view of the deviation correcting assembly of the present invention;

FIG. 4 is a cross-sectional view of the deviation rectifying assembly of the present invention;

the device comprises a rack 1, a drive motor 2, a drive hub 3, a driven hub 4, an adjusting bearing seat 5, an adjusting component 6, a deviation correcting component 7, a deviation correcting sensor 8, a deviation correcting bearing seat 9, a sliding rail 101, an electric push rod 701, a disc spring 702, a guide sleeve 703, a push rod pressing block 704 and a fixed support 801.

Detailed Description

The present invention will be more clearly and completely described below by way of a preferred embodiment in conjunction with the accompanying drawings, which are not intended to limit the scope of the invention as described herein.

As shown in fig. 1, fig. 2 is the utility model provides a high accuracy electric putter formula steel band transmission of rectifying, including frame 1, set up 1 length direction's of perpendicular to frame wheel hub in frame 1, wheel hub's center sets up the pivot, and wheel hub rotates with frame 1 to be connected, and wheel hub includes driving wheel hub 3 and follows wheel hub 4, and driving wheel hub 3 sets up respectively at the both ends along 1 length direction of frame from driving wheel hub 4, and driving wheel hub 3 and driven wheel hub 4 all rotate with frame 1 and are connected.

A driving motor 2 for providing power is arranged on the frame 1, the driving motor 2 is connected with a rotating shaft of a driving hub 3, two ends of the driving hub 3 are provided with adjusting bearing seats 5, the driving hub 3 is connected with the frame 1 through the adjusting bearing seats 5, and from the both ends of driving wheel hub 4 respectively through bearing frame 5 and frame 1 sliding connection, bearing frame 5 is including setting up regulation bearing frame 501 at driving wheel hub 3 both ends and setting up at the bearing frame 502 of rectifying a deviation from driving wheel hub 4 both ends, be equipped with on the frame 1 and be used for driving the gliding adjusting part 6 of regulation bearing frame 501 and be used for driving the gliding subassembly 7 of rectifying a deviation of bearing frame 502 of rectifying a deviation, adjusting part 6 one end is connected with the side of regulation bearing frame 501, the other end of adjusting part 6 is fixed in

frame

1, 7 one end of the subassembly of rectifying a deviation is connected with the side of the bearing frame 502 of rectifying a deviation, the other end of subassembly 7 of rectifying a deviation is fixed in frame 1.

The two ends of the driven hub 4 are provided with deviation rectifying sensors 8 for detecting the deviation of the steel belt, the deviation rectifying sensors 8 are fixed on the rack 1 through a fixing support 801, the deviation rectifying sensors 8 are electrically connected with the deviation rectifying assemblies 7 on the same side, and the deviation rectifying sensors 8 adopt proximity switches or displacement sensors.

As shown in fig. 3 and 4, the deviation rectifying assembly 7 includes an electric push rod 701 and a disc spring 702, a guide sleeve 703 for mounting the disc spring 702 is horizontally arranged on a side surface of the deviation rectifying bearing seat 502, the electric push rod 701 and the guide sleeve 703 are located on the same axis, a push rod pressing block 704 is arranged at a transmission end of the electric push rod 701, the electric push rod 701 is connected with the disc spring 702 in the guide sleeve 703 through the push rod pressing block 704, the other end of the electric push rod 701 is fixed on the rack 1, sliding grooves are arranged on upper and lower end surfaces of the bearing seat 5, and a sliding rail 101 matched with the sliding grooves is arranged on the rack 1.

The disc spring 702 is selected according to the production line requirement, the tension change of the steel strip caused by the adjustment of the electric push rod 701 by unit distance is obtained according to the selected disc spring 702 and the elastic coefficient of the disc spring 702, for the steel strip with the thickness of 1mm, the width of 1000mm and the length of 10 meters, the Young modulus of the steel strip is measured to be 200GPa, the deformation of 1mm is generated every time, the stress change of the steel strip is 1/10000 x 200Gpa =20Mpa, the corresponding tension is 20x1x1000=20000N =20KN, namely the tension change of 20KN can be generated every time the electric push rod moves 1/2mm, the tension generated by the electric push rod 701 under the unit distance is reduced by adopting the mode of overlaying the disc spring 702, the movable range of the electric push rod 701 is larger, and the accurate control is facilitated.

The adjusting assembly 6 preferably selects an adjusting rod, the adjusting rod is connected with the rack 1 in a matching manner through screw transmission, and the adjusting rod is rotated to drive the adjusting bearing seat 501 to slide on the rack 1.

The utility model provides a high accuracy electric putter formula steel band automatic deviation transmission when using, during the installation steel band, because there can be the deviation steel band self size, the adjusting part 6 at adjustment initiative wheel hub 3 both ends, adjust initiative wheel hub 3 and follow the relative position between wheel hub 4, compensate the deviation that steel band self size exists and make action wheel hub 3 and keep parallel from wheel hub 4, the subassembly 7 of rectifying sets up certain pretightning force, guarantee that the steel band is at tensioning state then locking adjusting part 6.

In the process of rotating the steel belt above the hub, deviation can occur along with the problem of the operation condition or the processing precision of the steel belt, after deviation of the steel belt is detected by deviation sensors 8 at two ends of a driven hub 4, a signal is transmitted to a deviation correcting component 7, and an electric push rod 701 at one side of the deviation of the steel belt increases pressure on a deviation correcting bearing seat 502 through a disc spring 702; the electric push rod 701 on the other side reduces the pressure of the deviation rectifying bearing seat 502 on the same side of the electric push rod 701, the increased or reduced pressure of the electric push rods 701 at the two ends of the driven wheel hub 4 is equal, and the electric push rods 701 intermittently increase or reduce the pressure and cooperate with the deviation rectifying sensor 8 to rectify the deviation of the steel strip.

The control of the electric push rod 701 can control the displacement of the electric push rod by controlling the power-on time, the intermittent movement in a mode of advancing twice and returning once can be adopted to simultaneously detect the deviation rectifying state of the steel belt, the PID control can be adopted in a control mode for occasions with higher precision requirements, and meanwhile, a displacement sensor can be additionally arranged on the push rod to limit the maximum displacement to protect the steel belt.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides an automatic transmission that rectifies of high accuracy electric putter formula steel band which characterized in that: the wheel hub driving mechanism comprises a rack (1), wherein a wheel hub perpendicular to the length direction of the rack (1) is arranged on the rack (1), a rotating shaft is arranged at the center of the wheel hub, the wheel hub comprises a driving wheel hub (3) and a driven wheel hub (4), the driving wheel hub (3) and the driven wheel hub (4) are respectively arranged at two ends along the length direction of the rack (1), a driving motor (2) for driving the driving wheel hub (3) to rotate is arranged on the rack (1), and the driving motor (2) is connected with the rotating shaft of the driving wheel hub (3);

adjusting bearing seats (5) are arranged at two ends of the driving hub (3), the driving hub (3) is connected with the rack (1) through the adjusting bearing seats (5), the driving hub (3) is rotatably connected with bearings arranged inside the adjusting bearing seats (5), deviation correcting bearing seats (9) are arranged at two ends of the driven hub (4), the driven hub (4) is connected with the rack (1) through the deviation correcting bearing seats (9), and the driven hub (4) is rotatably connected with the bearings arranged inside the deviation correcting bearing seats (9);

adjust bearing frame (5), bearing frame (9) of rectifying all follow frame (1) length direction and frame (1) sliding connection, set up along length direction on frame (1) and be used for driving gliding subassembly (7) of rectifying a deviation of bearing frame (9), subassembly (7) one end of rectifying a deviation is connected with bearing frame (9) of rectifying a deviation, the other end of subassembly (7) of rectifying a deviation is fixed on frame (1), set up on frame (1) and be used for detecting deviation of steel band sensor (8) of rectifying a deviation, sensor (8) of rectifying a deviation sets up the both ends at driven wheel hub (4), sensor (8) of rectifying a deviation is connected with subassembly (7) electricity.

2. The high-precision electric push rod type steel belt automatic deviation rectifying transmission device according to claim 1, is characterized in that: the correcting component (7) comprises an electric push rod (701) and a disc spring (702), the electric push rod (701) is fixed on the rack (1), the pushing direction of the electric push rod (701) is parallel to the length direction of the rack (1), a correcting bearing seat (9) is provided with a guide sleeve (703) on the side face of one side of the electric push rod (701), the center of the guide sleeve (703) is positioned on the same horizontal line with the electric push rod (701), the disc spring (702) is positioned inside the guide sleeve (703), the end part of the electric push rod (701) is provided with a push rod pressing block (704), and the electric push rod (701) is connected with the disc spring (702) through the push rod pressing block (704).

3. The high-precision electric push rod type steel belt automatic deviation rectifying transmission device according to claim 1, is characterized in that: be equipped with on frame (1) and be used for driving regulation bearing frame (5) along the gliding adjusting part (6) of frame (1) length direction, adjusting part (6) are located one of them side of regulation bearing frame (5) slip direction, and adjusting part (6) are parallel with the slip direction of regulation bearing frame (5), and adjusting part (6) one end is connected with regulation bearing frame (5), and the other end and frame (1) of adjusting part (6) are connected.

4. The high-precision electric push rod type steel belt automatic deviation rectifying transmission device according to claim 3, is characterized in that: the adjusting assembly (6) adopts an adjusting rod, and the adjusting rod is connected with the rack (1) in a matching way through a screw rod mechanism.

5. The high-precision electric push rod type steel belt automatic deviation rectifying transmission device according to claim 1, is characterized in that: the upper end face and the lower end face of the adjusting bearing seat (5) and the rectifying bearing seat (9) are both provided with sliding grooves, and the rack (1) is provided with sliding rails (101) matched with the sliding grooves at the positions corresponding to the sliding grooves.

6. The high-precision electric push rod type steel belt automatic deviation rectifying transmission device according to claim 1, is characterized in that: the deviation rectifying sensor (8) is fixedly connected with the rack (1) through a fixing support (801), and the deviation rectifying sensor (8) is electrically connected with the deviation rectifying component (7) on the same side.