CN213422530U

CN213422530U - Dynamic balance test auxiliary mechanism

Info

Publication number: CN213422530U
Application number: CN202021855473.7U
Authority: CN
Inventors: 张文举
Original assignee: Suzhou Laizhende Automation Equipment Co ltd
Current assignee: Suzhou Laizhende Automation Equipment Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-06-11
Anticipated expiration: 2030-08-31

Abstract

The utility model provides a dynamic balance test auxiliary mechanism, the on-line screen storage device comprises a base, be equipped with roller positioning mechanism on the base, roller positioning mechanism both ends are equipped with grinding machanism, roller positioning mechanism includes two sets of support frames, be equipped with fixture between the support frame, fixture includes the supporting seat, be equipped with the centre gripping arm on the supporting seat, the centre gripping arm pass through sliding rail connection in on the supporting seat, the supporting seat lower part is equipped with actuating mechanism, the actuating mechanism drive the centre gripping arm is close to or keeps away from, and this device can adjust the roller rotation that awaits measuring through belt drive to can adjust the position in order to adapt to the not roller of equidimension, the suitability is higher, and can polish the roller both ends in the test to the weight at balanced both ends improves detection efficiency.

Description

Dynamic balance test auxiliary mechanism

Technical Field

The utility model relates to an automation equipment field especially relates to dynamic balance test complementary unit.

Background

The components that perform rotational motion, such as various transmission shafts, main shafts, fans, water pump impellers, cutters, rotors of motors and turbines, are collectively called rotors.

In an ideal case, when the rotator rotates and does not rotate, the pressure generated on the bearing is the same, and the rotator is a balanced rotator. However, due to various factors such as uneven material or blank defects, errors generated in processing and assembly, even asymmetric geometric shapes when in design, and the like, in various revolving bodies in engineering, centrifugal inertia force generated by each tiny mass point on the revolving bodies cannot be mutually counteracted when the revolving bodies rotate, and the centrifugal inertia force acts on machinery and the foundation through a bearing to cause vibration, generate noise, accelerate bearing abrasion, shorten the service life of the machinery, and can cause destructive accidents when the centrifugal inertia force is serious. For this purpose, the rotor must be balanced to the level of precision permitted for balancing, or to the extent that the amplitude of the mechanical vibrations thus generated falls within the permitted range. The existing equipment is measured by a dynamic balancer, the principle of the existing equipment is that vibration conditions of two ends of a rotor in the rotating process are shot by photoelectric sensors, but the equipment is matched with the dynamic balancer, the tested roller needs to be driven, and the weight of two ends of the roller needs to be continuously adjusted in the testing process, and the equipment in the aspect is lacked in the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a dynamic balance test auxiliary mechanism, which comprises a base, wherein a roller positioning mechanism is arranged on the base, polishing mechanisms are arranged at two ends of the roller positioning mechanism, the roller positioning mechanism comprises two groups of supporting frames, a clamping mechanism is arranged between the supporting frames, the clamping mechanism comprises a supporting seat, a clamping arm is arranged on the supporting seat, the clamping arm is connected to the supporting seat through a sliding rail, a driving mechanism is arranged at the lower part of the supporting seat, and the driving mechanism drives the clamping arm to be close to or far away;

the fixture side is equipped with roller transmission, roller transmission includes the fixed plate, be equipped with C shape arm and transmission on the fixed plate, C shape arm tip is equipped with angle adjusting device, be equipped with the gyro wheel and locate with the end in the middle of the C shape arm the fixture top, be equipped with the leading wheel on the fixed plate of C shape arm lower part, the transmission output is equipped with drive belt, drive belt process gyro wheel and leading wheel press on the rotor circumference that awaits measuring.

Preferably, the driving mechanism comprises a first driving motor, the output end of the first driving motor is rotatably connected with a rocker, the end part of the rocker is connected with a rotating shaft, the rotating shaft penetrates through the supporting seat and is connected with a gear, a rack is arranged on the lower part of the clamping arm and is arranged along the direction of the sliding rail, and the racks of the clamping arms on two sides are respectively meshed with two sides of the gear.

Preferably, the clamping arm includes a fixing seat, two sets of vertical portions are arranged on the fixing seat, and two sets of carrier rollers are arranged on the vertical portions.

Preferably, the angle adjusting device comprises a jacking cylinder connected to the fixed plate, the output end of the jacking cylinder is connected with a crank and rocker mechanism, and the crank and rocker mechanism is connected with the C-shaped arm.

Preferably, the base is provided with a plurality of sliding grooves, and the supporting seat is clamped in the sliding grooves.

Preferably, the support frame comprises a frame body, and two auxiliary support wheels are arranged on the frame body.

Preferably, a tensioning wheel is arranged on the fixing plate.

Preferably, the grinding mechanism comprises an upright post, the upright post is clamped in the sliding groove, a casing is arranged on the upright post, a second driving motor is arranged in the casing, the output end of the second driving motor is connected with a main shaft, and a grinding head is connected to the main shaft.

The utility model provides a dynamic balance test complementary unit has following beneficial effect: this device can adjust the roller rotation that awaits measuring through belt drive to can adjust the position in order to adapt to the not roller of equidimension, the suitability is higher, and can polish roller both ends in the test, with the weight at balanced both ends, improve detection efficiency.

Drawings

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

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

FIG. 2 is a perspective view of the roller positioning mechanism of the present invention;

FIG. 3 is a schematic view of the installation of the C-arm and the transmission mechanism of the present invention;

fig. 4 is a schematic view of the angle adjusting device of the present invention;

fig. 5 is a schematic view of the driving mechanism of the present invention;

fig. 6 is an installation schematic diagram of a first driving motor of the present invention;

fig. 7 is a schematic view of the support frame of the present invention;

wherein, 1, a base; 2. a roller positioning mechanism; 3. a polishing mechanism; 4. a support frame; 5. a clamping mechanism; 6. a supporting seat; 7. a clamp arm; 8. a slide rail; 9. a fixing plate; 10. a C-shaped arm; 11. a roller; 12. a guide wheel; 13. a drive belt; 14. a first drive motor; 15. a rocker; 16. a rotating shaft; 17. a gear; 18. A rack; 19. a fixed seat; 20. a vertical portion; 21. a carrier roller; 22. jacking a cylinder; 23. a crank and rocker mechanism; 24. a chute; 25. a column; 26. a housing; 27. a second drive motor; 28. a main shaft; 29. polishing head; 30. a tension wheel.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 and 2, the utility model provides a dynamic balance test complementary unit, including base 1, be equipped with roller positioning mechanism 2 on the base 1, 2 both ends of roller positioning mechanism are equipped with grinding machanism 3, and roller positioning mechanism 2 is used for fixing a position the roller that awaits measuring to drive it and rotate, and the dynamic balancing machine is placed to this device tip, through the dynamic balance at the both ends of dynamic balancing machine test surveyed roller, the dynamic balancing machine principle is prior art, and this application is no longer repeated.

And specifically: the roller positioning mechanism 2 comprises two groups of supporting frames 4, each supporting frame 4 comprises a frame body, two auxiliary supporting wheels are arranged on each frame body, a clamping mechanism 5 is arranged between the supporting frames 4, each clamping mechanism 5 comprises a supporting seat 6, each supporting seat 6 is provided with a clamping arm 7, each clamping arm 7 is connected to the corresponding supporting seat 6 through a sliding rail 8, a driving mechanism is arranged on the lower portion of each supporting seat 6 and drives each clamping arm to be close to or far away from each other, each driving mechanism comprises a first driving motor 14, the output end of each first driving motor 14 is rotatably connected with a rocker 15, the end portion of each rocker 15 is connected with a rotating shaft 16, each rotating shaft 16 penetrates through the corresponding supporting seat 6 and is connected with a gear 17, a rack 18 is arranged on the lower portion of each clamping arm 7, the racks 18 are arranged along the direction of the corresponding sliding rails 8, and the racks, when adjusting centre gripping arm 7, first driving motor 14 drive gear 17 is rotating, and the rack 18 with gear 17 meshing then does the reverse motion, and the centre gripping arm 7 of connecting on the control rack 18 opens promptly, and first driving motor 14 antiport then centre gripping arm 7 is closed to the diameter of the different roll bodies of being surveyed, in addition, centre gripping arm 7 includes fixing base 19, be equipped with two sets of vertical portions 20 on the fixing base 19, be equipped with two sets of bearing rollers 21 on the vertical portion 20, will be surveyed the roller and place between two sets of centre gripping arms 7, its bearing roller 21 can play the supporting role to the roller, and the pivot 16 both ends of roller then press on the auxiliary stay wheel of support frame 4, guarantee the stable of whole roller and place.

After the roller that awaits measuring is fixed well the position, then need to drive the roller through roller transmission and rotate, specific saying so: the side of the clamping mechanism 5 is provided with a roller transmission device, the roller transmission device comprises a fixing plate 9, the fixing plate 9 is provided with a C-shaped arm 10 and a transmission device, the end part of the C-shaped arm 10 is provided with an angle adjusting device which can adjust the angle of the C-shaped arm 10 so as to press a belt on a roller, the middle and the tail end of the C-shaped arm 10 are provided with a roller 11 and extend above the clamping mechanism 5, the fixing plate 9 at the lower part of the C-shaped arm 10 is provided with a guide wheel 12, the output end of the transmission device is provided with a driving belt 13, the transmission device is a driving wheel of a motor and a motor output end, the driving wheel is wound with a driving belt 13, the driving belt 13 passes through the tension pulley 30 and is used for adjusting the tension degree of the whole belt, the driving belt 13 passes through the roller 11 on the C, and the round winding returns to leading wheel 12 of lower part, finally gets back to on the action wheel, and drive belt 13 presses on the roller that awaits measuring, drives the roller through drive belt 13 and rotates, rotates the in-process, and the dynamic balancing machine detects its dynamic balance, and when the one end weight that detects the roller is great, then starts 3 pairs of roller ends of the grinding machanism that correspond the end and polish to suitably reduce weight, with the adjustment to balanced state, grinding machanism 3 includes stand 25, be equipped with casing 26 on the stand 25, be equipped with second driving motor 27 in the casing 26, second driving motor 27 output is connected with pivot 28, be connected with polishing head 29 in the pivot 28, polishing head 29 is close to the roller tip, can realize polishing during the rotation.

And a plurality of sliding grooves 24 are arranged on the base 1, the upright post 25 at the lower part of the grinding mechanism 3 is clamped in the sliding groove 24, the supporting seat 6 is clamped in the sliding groove 24, and the grinding mechanism 3 can slide along the sliding groove 24 to adapt to rollers with different lengths.

Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A dynamic balance test auxiliary mechanism is characterized by comprising a base, wherein a roller positioning mechanism is arranged on the base, polishing mechanisms are arranged at two ends of the roller positioning mechanism, the roller positioning mechanism comprises two groups of supporting frames, a clamping mechanism is arranged between the supporting frames, the clamping mechanism comprises a supporting seat, a clamping arm is arranged on the supporting seat, the clamping arm is connected to the supporting seat through a sliding rail, a driving mechanism is arranged at the lower part of the supporting seat, and the driving mechanism drives the clamping arm to be close to or far away from the supporting seat;

2. The dynamic balance test auxiliary mechanism according to claim 1, wherein the driving mechanism comprises a first driving motor, an output end of the first driving motor is rotatably connected with a rocker, an end of the rocker is connected with a rotating shaft, the rotating shaft passes through the supporting seat and is connected with a gear, a rack is arranged at a lower part of the clamping arm, the rack is arranged along the direction of the slide rail, and racks of the clamping arms at two sides are respectively meshed with two sides of the gear.

3. The dynamic balance test auxiliary mechanism according to claim 1 or 2, wherein the clamping arm comprises a fixed seat, two sets of vertical portions are arranged on the fixed seat, and two sets of carrier rollers are arranged on the vertical portions.

4. The dynamic balance test auxiliary mechanism of claim 1, wherein the angle adjusting device comprises a jacking cylinder connected to the fixed plate, an output end of the jacking cylinder is connected with a crank and rocker mechanism, and the crank and rocker mechanism is connected with the C-shaped arm.

5. The dynamic balance test auxiliary mechanism according to claim 1, wherein the base is provided with a plurality of sliding grooves, and the supporting seat is clamped in the sliding grooves.

6. The dynamic balance test auxiliary mechanism according to claim 1, wherein the support frame comprises a frame body, and two auxiliary support wheels are arranged on the frame body.

7. The dynamic balance test auxiliary mechanism according to claim 5, wherein the grinding mechanism comprises a stand column, the stand column is clamped in the sliding groove, a casing is arranged on the stand column, a second driving motor is arranged in the casing, the output end of the second driving motor is connected with a main shaft, and a grinding head is connected to the main shaft.

8. The dynamic balance test assistance mechanism of claim 1, wherein a tension wheel is provided on the fixed plate.