CN218470083U

CN218470083U - Static unbalance testing machine for grinding wheel

Info

Publication number: CN218470083U
Application number: CN202222779545.XU
Authority: CN
Inventors: 李绍平
Original assignee: Jinhua Guotai Grinding Wheel Grinding Co ltd
Current assignee: Jinhua Guotai Grinding Wheel Grinding Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-02-10
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a quiet unbalanced test machine of emery wheel relates to emery wheel test technical field, and its technical scheme includes the mounting panel, and a plurality of fixed plates are installed to the outer wall of mounting panel, and one side outer wall fixedly connected with support column of mounting panel is kept away from to a plurality of fixed plates, and the outer wall sliding connection of a plurality of support columns has sliding frame, and support column and sliding frame's internally mounted has lift adjustment mechanism, the utility model discloses in, observe whether being in balanced position of two horizontal axes through the spirit level, when two horizontal axes are not in horizontal balanced position, the lift adjustment mechanism of accessible support column and sliding frame inside finely tunes every sliding frame's height alone, positive and negative rotation adjusting gear makes sliding frame slide from top to bottom in the outside of support column, and the cooperation spirit level can be balanced with the position control of two horizontal axes, adjusts simple and convenient and labour saving and time saving like this, reduces the error that appears when the emery wheel detects.

Description

Static unbalance testing machine for grinding wheel

Technical Field

The utility model relates to a emery wheel test technical field especially relates to a quiet unbalanced test machine of emery wheel.

Background

When a metal part is machined, burrs on the surface of the metal part need to be ground by using a grinding wheel, but the grinding wheel is affected by a machining process and a machining environment, and the produced grinding wheel has an unbalanced condition;

the unbalanced grinding wheel can generate vibration when rotating at a high speed, so that the processing quality and the machine tool precision are influenced, the machine tool can be damaged and the grinding wheel can be cracked when the machine tool is seriously damaged, the unbalance is mainly caused by uneven density of each part of the grinding wheel, asymmetric geometric shape, eccentric installation and the like, and therefore a static unbalance test is carried out before the grinding wheel is installed;

in the prior art, a balance detection device is usually used on a balance support to measure unbalance by depending on the gravity action of a grinding wheel, but the levelness of the existing balance support cannot be adjusted, so that errors are easy to generate, and the existing balance support is extremely easy to be interfered by external vibration during detection, so that the balance support generates tiny vibration, the detection result of the grinding wheel is influenced, and therefore, a static unbalance testing machine for the grinding wheel is necessary to be provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having among the prior art and often using balanced detection device generally on balanced support, rely on the gravity action of emery wheel self to measure unbalance, but the unable adjustment of the levelness of current balanced support itself so produces the error easily to very easily receive external vibrations during the detection and disturb, make the balancing stand produce little vibrations, this will lead to the testing result of emery wheel to receive the shortcoming of influence, and the quiet unbalanced test machine of emery wheel that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a quiet unbalanced test machine of emery wheel, includes the mounting panel, a plurality of fixed plates are installed to the outer wall of mounting panel, and is a plurality of the fixed plate is kept away from one side outer wall fixedly connected with support column of mounting panel, and is a plurality of the outer wall sliding connection of support column has sliding frame, the support column with sliding frame's internally mounted has a lifting adjusting mechanism, and is a plurality of sliding frame keeps away from the one end fixedly connected with backup pad of support column, the backup pad is kept away from a plurality of spacing section of thick bamboos of sliding frame's one side outer wall fixedly connected with, the internally mounted of a spacing section of thick bamboo has the depression bar, and is a plurality of the common fixedly connected with horizontal axis of one end of a spacing section of thick bamboo is kept away from to the depression bar, two the outer wall of horizontal axis is provided with supplementary test support, the emery wheel is installed to supplementary test support's outer wall, the emery wheel is located two between the horizontal axis.

The above technical solution further comprises:

two the both ends outer wall fixedly connected with baffle of horizontal axis, the outer wall threaded connection of fixed plate has a plurality of screws, and is a plurality of the screw extends to the inside of mounting panel, the spirit level is installed to the outer wall of mounting panel, the spirit level is located a plurality ofly between the fixed plate.

Buffer spring is installed to the inner wall of a spacing section of thick bamboo, the inner wall sliding connection of a spacing section of thick bamboo has the movable block, the movable block is located buffer spring's top, the depression bar is kept away from the one end fixed connection of horizontal axis bottom outer wall is in the outer wall of movable block, it is a plurality of compression spring is installed to the outer wall of a spacing section of thick bamboo, and is a plurality of compression spring is located the backup pad with between the horizontal axis.

The lifting adjusting mechanism comprises a thread block fixedly connected to the inner wall of the support column, the thread block is close to the inner wall of the top of the support column, the inner thread of the thread block is connected with a threaded rod, and two ends of the threaded rod extend to the support column and the inside of the sliding frame.

The threaded rod is located the inside one end fixedly connected with limit slider of support column, limit slider sliding connection be in the inner wall of support column, the threaded rod is located sliding frame's outer wall has seted up ring groove, sliding frame's inner wall fixedly connected with limiting plate, ring groove's outer wall rotates to be connected the inside of limiting plate.

The lifting adjusting mechanism further comprises a threaded rod which is fixedly connected with a first bevel gear at one end of the limiting slider, the inner wall of the sliding frame is rotatably connected with a rotating shaft, one end of the rotating shaft penetrates through the sliding frame, the rotating shaft is located at one end of the outer portion of the sliding frame, an adjusting gear is fixedly connected with the outer wall of the sliding frame, and the rotating shaft is located at a second bevel gear fixedly connected with the outer wall of the sliding frame, and the second bevel gear is meshed with the first bevel gear.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, observe whether being in balanced position of two horizontal axes through the spirit level, when two horizontal axes were not in horizontal balanced position, accessible support column and the inside lift adjustment mechanism of sliding frame highly finely tune every sliding frame alone, positive and negative rotation regulation gear makes sliding frame slide from top to bottom in the outside of support column, and the cooperation spirit level can be balanced with the position control of two horizontal axes, adjusts simple and convenient and labour saving and time saving like this, the error that appears when reducing the emery wheel and detecting.

2. The utility model discloses in, when producing vibrations in the external world of emery wheel test, the produced power of vibrations will be by depression bar and spacing section of thick bamboo complex sliding connection, for two horizontal axes provide the buffer space, make the horizontal axis difficult vibrations, and, buffer spring cooperatees with compression spring, can offset and absorb the external slight shaking force that produces, when the emery wheel was placed on two horizontal axes and is examined like this, be difficult for being disturbed by the external slight shaking force to influence the inspection result of emery wheel.

Drawings

Fig. 1 is an overall schematic view of a static unbalance testing machine for a grinding wheel according to the present invention;

fig. 2 is a first partial cross-sectional view of the present invention;

fig. 3 is a second partial cross-sectional view of the present invention;

fig. 4 is an enlarged schematic view of the structure at a in fig. 3.

In the figure: 1. mounting a plate; 2. a fixing plate; 3. a screw; 4. a support pillar; 5. a slide frame; 6. a support plate; 7. a horizontal axis; 8. a baffle plate; 9. an auxiliary test support; 10. a grinding wheel; 11. a level gauge; 12. an adjusting gear; 13. a limiting cylinder; 14. a compression spring; 15. a movable block; 16. a pressure lever; 17. a buffer spring; 18. a limiting slide block; 19. a threaded rod; 20. a thread block; 21. an annular neck; 22. a limiting plate; 23. a first bevel gear; 24. a rotating shaft; 25. a second bevel gear.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-4, the utility model provides a static unbalance testing machine for grinding wheels, including mounting panel 1, a plurality of fixed plates 2 are installed on the outer wall of mounting panel 1, a plurality of screws 3 are connected to the outer wall of fixed plate 2 through screw threads, a plurality of screws 3 extend to the inside of mounting panel 1, level gauge 11 is installed on the outer wall of mounting panel 1, level gauge 11 is located between a plurality of fixed plates 2, a support column 4 is fixedly connected to the outer wall of one side of a plurality of fixed plates 2 far away from mounting panel 1, the outer wall of a plurality of support columns 4 is slidably connected with sliding frame 5;

the outer wall of one side, far away from the sliding frame 5, of the support plate 6 is fixedly connected with a plurality of limiting cylinders 13, pressing rods 16 are installed inside the limiting cylinders 13, one ends, far away from the limiting cylinders 13, of the pressing rods 16 are jointly and fixedly connected with horizontal shafts 7, lifting adjusting mechanisms are installed inside the support column 4 and the sliding frame 5, each lifting adjusting mechanism comprises a threaded block 20 fixedly connected to the inner wall of the support column 4, and the threaded block 20 is close to the inner wall of the top of the support column 4;

a threaded rod 19 is connected to the inner thread of the threaded block 20, two ends of the threaded rod 19 extend into the support column 4 and the sliding frame 5, a limiting slide block 18 is fixedly connected to one end, located inside the support column 4, of the threaded rod 19, the limiting slide block 18 is connected to the inner wall of the support column 4 in a sliding mode, an annular clamping groove 21 is formed in the outer wall, located on the sliding frame 5, of the threaded rod 19, and a limiting plate 22 is fixedly connected to the inner wall of the sliding frame 5;

the outer wall of ring groove 21 rotates and connects in the inside of limiting plate 22, the lift adjustment mechanism of telling still includes fixed connection and keeps away from the first bevel gear 23 of limiting slide 18 one end at threaded rod 19, the inner wall of sliding frame 5 rotates and is connected with pivot 24, the one end of pivot 24 runs through sliding frame 5, pivot 24 is located the outside one end fixedly connected with adjusting gear 12 of sliding frame 5, pivot 24 is located the inside outer wall fixedly connected with second bevel gear 25 of sliding frame 5, second bevel gear 25 meshes with first bevel gear 23 mutually.

The working principle of the grinding wheel static unbalance testing machine based on the first embodiment is that a grinding wheel 10 is placed on the surfaces of two horizontal shafts 7 through an auxiliary testing support 9 for detection, whether the two horizontal shafts 7 are in a balanced position is observed through a level meter 11, baffles 8 arranged at two ends of the two horizontal shafts 7 can prevent the grinding wheel 10 from falling off during detection, a plurality of fixing plates 2 are fixed on the surface of a mounting plate 1 through screws 3, when the two horizontal shafts 7 are not in the horizontal balanced position, the height of each sliding frame 5 can be independently finely adjusted through a supporting column 4 and a lifting adjusting mechanism inside the sliding frame 5, a forward and reverse rotation adjusting gear 12 drives a second bevel gear 25 of a limiting cylinder 13 inside the sliding frame 5 to rotate, the second bevel gear 25 drives a first bevel gear 23 meshed with the second bevel gear to rotate, when the first bevel gear 23 rotates, the threaded rod 19 is driven to rotate inside a threaded block 20, the threaded block 20 is fixed inside the supporting column 4, an annular clamping groove 21 formed in the outer wall of the threaded block 19 inside the sliding frame 5 is rotatably connected with a limiting plate 22 and clamped with the limiting plate 22, one end of the threaded rod 19, when the threaded block 19 rotates inside the sliding frame 5, the threaded rod 19, the sliding block 19, and the horizontal shaft 7 can reduce errors when the sliding error of the sliding block 19 of the sliding frame 7 and the horizontal shaft 7 can be detected by the horizontal shaft 11.

Example two

As shown in fig. 1-4, based on embodiment one, a plurality of sliding frames 5 are kept away from one end fixedly connected with backup pad 6 of support column 4, two horizontal axis 7's both ends outer wall fixedly connected with baffle 8, two horizontal axis 7's outer wall is provided with auxiliary test support 9, emery wheel 10 is installed to auxiliary test support 9's outer wall, emery wheel 10 is located between two horizontal axis 7, buffer spring 17 is installed to spacing section of thick bamboo 13's inner wall, spacing section of thick bamboo 13's inner wall sliding connection has movable block 15, movable block 15 is located buffer spring 17's top, the depression bar 16 is kept away from the one end fixed connection of horizontal axis 7 bottom outer wall at the outer wall of movable block 15, compression spring 14 is installed to a plurality of spacing section of thick bamboo 13's outer wall, a plurality of compression spring 14 are located between backup pad 6 and the horizontal axis 7.

In this embodiment, when the grinding wheel 10 tests the external vibration, the force generated by the vibration will be connected with the sliding fit of the spacing cylinder 13 by the pressure rod 16, so as to provide a buffer space for the two horizontal shafts 7, so that the horizontal shafts 7 are not easy to vibrate, and the buffer spring 17 is matched with the compression spring 14, so as to offset and absorb the external fine vibration force, when the vibration force is transmitted to the plurality of buffer springs 17 and the compression spring 14, the plurality of buffer springs 17 and the compression spring 14 release the elastic force to offset and absorb the vibration force, so that when the grinding wheel 10 is placed on the two horizontal shafts 7 for inspection, the grinding wheel is not easy to be interfered by the external fine vibration force, thereby affecting the inspection result of the grinding wheel 10.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The static unbalance testing machine for the grinding wheel comprises a mounting plate (1), and is characterized in that a plurality of fixing plates (2) are mounted on the outer wall of the mounting plate (1), supporting columns (4) are fixedly connected to the outer wall of one side, far away from the mounting plate (1), of the fixing plates (2), sliding frames (5) are connected to the outer walls of the supporting columns (4) in a sliding mode, and lifting adjusting mechanisms are mounted inside the supporting columns (4) and the sliding frames (5);

a plurality of one end fixedly connected with backup pad (6) of support column (4) are kept away from to sliding frame (5), backup pad (6) are kept away from a plurality of spacing section of thick bamboo (13) of one side outer wall fixedly connected with of sliding frame (5), the internally mounted of spacing section of thick bamboo (13) has depression bar (16), and is a plurality of depression bar (16) are kept away from the common fixedly connected with horizontal axis (7) of one end of spacing section of thick bamboo (13), two the outer wall of horizontal axis (7) is provided with supplementary test support (9), emery wheel (10) are installed to the outer wall of supplementary test support (9), emery wheel (10) are located two between horizontal axis (7).

2. The static unbalance testing machine for the grinding wheel according to claim 1, characterized in that the outer walls of two ends of two horizontal shafts (7) are fixedly connected with a baffle (8), the outer wall of the fixing plate (2) is connected with a plurality of screws (3) in a threaded manner, the plurality of screws (3) extend to the inside of the mounting plate (1), the outer wall of the mounting plate (1) is provided with a level gauge (11), and the level gauge (11) is located between the fixing plates (2).

3. The static unbalance testing machine for the grinding wheel as claimed in claim 2, wherein a buffer spring (17) is mounted on the inner wall of the limiting cylinder (13), a movable block (15) is slidably connected to the inner wall of the limiting cylinder (13), the movable block (15) is located above the buffer spring (17), one end of the pressure lever (16) far away from the outer wall of the bottom of the horizontal shaft (7) is fixedly connected to the outer wall of the movable block (15), compression springs (14) are mounted on the outer walls of the limiting cylinders (13), and the compression springs (14) are located between the supporting plate (6) and the horizontal shaft (7).

4. The static unbalance testing machine for the grinding wheel according to claim 3, wherein the lifting adjusting mechanism comprises a threaded block (20) fixedly connected to the inner wall of the supporting column (4), the threaded block (20) is close to the inner wall of the top of the supporting column (4), a threaded rod (19) is connected to the inner thread of the threaded block (20), and two ends of the threaded rod (19) extend to the inside of the supporting column (4) and the sliding frame (5).

5. The static unbalance testing machine for the grinding wheel according to claim 4, wherein one end of the threaded rod (19) located inside the supporting column (4) is fixedly connected with a limiting slider (18), the limiting slider (18) is slidably connected to an inner wall of the supporting column (4), the threaded rod (19) located on an outer wall of the sliding frame (5) is provided with a ring-shaped clamping groove (21), a limiting plate (22) is fixedly connected to an inner wall of the sliding frame (5), and an outer wall of the ring-shaped clamping groove (21) is rotatably connected inside the limiting plate (22).

6. The static unbalance testing machine for the grinding wheel according to claim 5, characterized in that the lifting adjusting mechanism further comprises a first bevel gear (23) fixedly connected to one end of the threaded rod (19) far away from the limiting slide block (18), the inner wall of the sliding frame (5) is rotatably connected with a rotating shaft (24), one end of the rotating shaft (24) penetrates through the sliding frame (5), one end of the rotating shaft (24) located outside the sliding frame (5) is fixedly connected with an adjusting gear (12), the outer wall of the rotating shaft (24) located inside the sliding frame (5) is fixedly connected with a second bevel gear (25), and the second bevel gear (25) is meshed with the first bevel gear (23).