CN115371889B - Main shaft dynamic balance detection device - Google Patents

Abstract

The invention discloses a spindle dynamic balance detection device which comprises a workbench, wherein two ends of the upper surface of the workbench are fixedly provided with brackets, the upper ends of the brackets are fixedly provided with cross beams, the lower wall surface of each cross beam is fixedly provided with a slideway, each slideway is movably provided with a sliding block, the lower ends of the sliding blocks are fixedly provided with an upper plate, two ends of the lower wall surface of each upper plate are respectively fixedly provided with an air cylinder, the telescopic ends of a pair of the air cylinders are fixedly provided with a lower plate, the upper wall surface of one end of each lower plate is fixedly provided with an ammeter, the other end of each lower plate is fixedly provided with a sleeve, and a sliding plate is movably inserted in each sleeve.

Description

A spindle dynamic balance detection device

Technical Field

The invention relates to the technical field of spindle detection, and in particular to a spindle dynamic balance detection device.

Background technique

The spindle refers to the shaft that receives power from an engine or motor and transmits it to other parts. The spindle is also called "optical axis", which is the abbreviation of "main optical axis". It has a symmetrical diameter in the optical tool group. The invention patent with publication number CN113310380A discloses a spindle maintenance and detection device for CNC machine tools, including a warehouse body, a moving mechanism is fixedly installed on the inner bottom wall of the warehouse body, a first push rod is fixedly installed on the top of the moving mechanism, a protection mechanism is fixedly installed on the output end of the first push rod, a control mechanism is fixedly installed on the top of the moving mechanism and on the left side of the first push rod, and a receiving mechanism with one end penetrating and extending into the inside of the control mechanism is inserted on the right side of the control mechanism. A second push rod is fixedly installed on the inner top wall of the warehouse body, and a fixed column is fixedly installed on the bottom of the second push rod. However, in real life, the probe of the micrometer of the invention is often severely worn when in use, resulting in large errors in detection. At the same time, the invention installs the spindle to be detected in a way that both ends are fixed. The disadvantage of this method is that when the spindle is too long, it is not easy to fix and inconvenient to use.

Summary of the invention

In view of the deficiencies of the prior art, the present invention provides a spindle dynamic balancing detection device, which solves the problems of severe wear of the probe of the prior device and inconvenience in installing a longer spindle.

To achieve the above objectives, the present invention is implemented through the following technical solutions: a spindle dynamic balancing detection device, comprising a workbench, brackets are fixedly installed at both ends of the upper surface of the workbench, a crossbeam is fixedly installed at the upper end of the bracket, a slideway is fixedly installed on the lower wall of the crossbeam, a slider is movably installed on the slideway, an upper plate is fixedly installed at the lower end of the slider, cylinders are fixedly installed at both ends of the lower wall of the upper plate, a pair of lower plates are fixedly installed on the telescopic ends of the cylinders, and a current is fixedly installed on the upper wall of one end of the lower plate. The table, the other end of the lower plate is fixedly installed with a sleeve, and a slide is movably inserted in the sleeve, a long rod is fixedly installed on the center position of the lower wall of the slide, a groove is provided inside the lower end of the long rod, a ball is movably installed in the groove, a control mechanism is installed on the sleeve, a square column is fixedly installed on one side of the wall of the workbench, a square slide groove is provided in the square column, and a supporting mechanism is provided in the square slide groove, a support shaft is rotatably installed on the other side of the wall of the workbench, and an electric three-jaw chuck is installed on the upper end of the support shaft.

Preferably, the control mechanism includes a sliding rod movably inserted on the sleeve, an insulating rod is fixedly installed on the upper end of the sliding rod and the lower end is fixedly connected to the upper wall of the slide board, a spring is sleeved on the outside of the lower end of the sliding rod, and the upper and lower ends of the spring are respectively fixedly connected to the internal upper wall of the sleeve and the upper wall of the slide board, a conductive copper plate is fixedly installed on one end of the insulating rod, a connecting copper plate is fixedly installed on one side of the conductive copper plate, a socket is provided on the lower plate, a resistor rod is fixedly inserted on the socket, a first wire is connected to the lower end of the resistor rod, the connecting copper plate is in sliding contact with the resistor rod, a second wire is connected to the conductive copper plate, and the second wire and the first wire are electrically connected to the input and output wires of the ammeter.

Preferably, the supporting mechanism includes a sliding arm movably inserted in the square slide groove, a threaded rod is screwed inside the lower end of the sliding arm and a support block is fixedly installed on the upper end, a driving motor is installed at the lower end of the square slide groove, the driving end of the driving motor is fixedly connected to the lower end of the threaded rod, and a pair of driven rollers are installed inside the upper end of the support block.

Preferably, a fixing plate is provided on the inner wall of the bracket, a second drive motor is installed on the fixing plate, a base is installed at one end of the lower wall of the beam, a second threaded rod is rotatably installed on the base, the second threaded rod is screwed into the slider and one end is connected to the driving end of the second drive motor.

Preferably, a third driving motor is provided on the workbench, a driving gear is installed on the driving end of the third driving motor, a driven gear is sleeved on the support shaft, and the driven gear is meshed with the driving gear.

Beneficial Effects

The present invention provides a spindle dynamic balancing detection device, which has the following beneficial effects: the device has a compact structure, and a ball is arranged in a groove at the lower end of a long rod. When in use, a spring pushes a slide plate downward, and the slide plate makes the ball contact with the upper surface of the spindle to be detected below through the long rod. The spindle is rotated by an electric three-jaw chuck. During the rotation, the ball can rotate simultaneously with the spindle, which can effectively reduce the loss caused by friction. After long-term use, even if it is replaced, only the ball is replaced, and no damage is caused to the measuring equipment. When installing the spindle, the electric three-jaw chuck clamps one end of the spindle, and the other end is placed on a pair of driven rollers. This method can clamp a longer spindle, and the two ends will not be unable to be clamped due to the long spindle, which brings convenience to people's use.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of the front view structure of the present invention.

FIG. 2 is a partial enlarged schematic diagram of FIG. 1 of the present invention.

FIG. 3 is a side view of the driven roller of the present invention.

In the figure: 1. workbench; 2. driven roller; 3. support block; 4. drive motor; 5. threaded rod; 6. slide arm; 7. square column; 8. support shaft; 9. third drive motor; 10. bracket; 11. second drive motor; 12. second threaded rod; 13. slideway; 14. cylinder; 15. upper plate; 16. slider; 17. ammeter; 18. long rod; 19. ball bearing; 20. slide plate; 21. sleeve; 22. lower plate; 23. spring; 24. slide rod; 25. insulating rod; 26. conductive copper plate; 27. connecting copper plate; 28. second wire; 29. first wire; 30. resistor rod; 31. socket; 32. electric three-jaw chuck.

Detailed ways

The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

Please refer to Figures 1-3. The present invention provides a technical solution: a spindle dynamic balancing detection device, including a workbench 1, brackets 10 are fixedly installed at both ends of the upper surface of the workbench 1, a crossbeam is fixedly installed at the upper end of the bracket 10, a slideway 13 is fixedly installed on the lower wall of the crossbeam, a slider 16 is movably installed on the slideway 13, an upper plate 15 is fixedly installed at the lower end of the slider 16, cylinders 14 are fixedly installed at both ends of the lower wall of the upper plate 15, a pair of lower plates 22 are fixedly installed on the telescopic ends of the cylinders 14, an ammeter 17 is fixedly installed on the upper wall of one end of the lower plate 22, a sleeve 21 is fixedly inserted at the other end of the lower plate 22, a slide plate 20 is movably inserted in the sleeve 21, and the lower wall of the slide plate 20 A long rod 18 is fixedly installed at the center position of the surface, a groove is provided inside the lower end of the long rod 18, a ball 19 is movably installed in the groove, a control mechanism is installed on the sleeve 21, a square column 7 is fixedly installed on one side of the upper wall of the workbench 1, a square slide is provided in the square column 7, a supporting mechanism is provided in the square slide, a support shaft 8 is rotatably installed on the other side of the upper wall of the workbench 1, an electric three-jaw chuck 32 is installed on the upper end of the support shaft 8, the control mechanism includes a slide bar 24 movably inserted on the sleeve 21, an insulating rod 25 is fixedly installed on the upper end of the slide bar 24 and the lower end is fixedly connected to the upper wall of the slide plate 20, a spring 23 is sleeved on the outer side of the lower end of the slide bar 24, and the upper and lower ends of the spring 23 are respectively The insulating rod 25 is fixedly connected to the upper wall surface of the sleeve 21 and the upper wall surface of the slide plate 20, one end of the insulating rod 25 is fixedly installed with a conductive copper plate 26, and one side of the conductive copper plate 26 is fixedly installed with a connecting copper plate 27. The lower plate 22 is provided with a socket 31, and a resistor rod 30 is fixedly inserted on the socket 31. The lower end of the resistor rod 30 is connected to a first wire 29, and the connecting copper plate 27 is in sliding contact with the resistor rod 30. The conductive copper plate 26 is connected to a second wire 28, and the second wire 28 and the first wire 29 are electrically connected to the input and output end wires of the ammeter 17. The supporting mechanism includes a sliding arm 6 movably inserted in the square slide groove, and the lower end of the sliding arm 6 is screwed with a threaded rod 5 and the upper end is fixed. A support block 3 is fixedly installed, a drive motor 4 is installed at the lower end of the square slide, and the drive end of the drive motor 4 is fixedly connected to the lower end of the threaded rod 5. A pair of driven rollers 2 are installed inside the upper end of the support block 3. A fixed plate is provided on the inner wall of the bracket 10, and a second drive motor 11 is installed on the fixed plate. A base is installed at one end of the lower wall of the crossbeam, and a second threaded rod 12 is rotatably installed on the base. The second threaded rod 12 is screwed into the slider 16 and one end is connected to the drive end of the second drive motor 11. A third drive motor 9 is provided on the workbench 1, and a driving gear is installed on the drive end of the third drive motor 9. A driven gear is mounted on the support shaft 8, and the driven gear is meshed with the driving gear.

By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the field. The following mainly introduces the working principle and process.

Embodiment: When in use, first clamp the spindle to be inspected with the electric three-jaw chuck 32, then start the drive motor 4, the drive motor 4 drives the threaded rod 5 to rotate, and then can control the slide arm 6 to move up and down in the square column, the movement of the slide arm 6 can control the height of the driven roller 2 on the support block 3, so as to support the bottom of the other end of the spindle, then start the cylinder 14 and the lower plate 22 in Jiangxi, so that the ball 19 contacts the surface of the spindle, and the spring 23 is in a compressed state, start the electric three-jaw chuck 32, and rotate the spindle (the existing equipment already has a three-jaw chuck that can rotate, which belongs to the prior art During the rotation of the main shaft, if the surface has ups and downs, the long rod 18 will be driven up and down by the ball 19, and the long rod 18 will drive the upper slide bar 24 to move up and down through the slide plate 20, and the slide bar 24 will drive the insulating rod 25 to move up and down, and the insulating rod 25 will drive the connecting copper plate 27 to slide on the resistor rod 30 through the conductive copper plate 26, and the reading of the ammeter 17 will be changed by changing the length of the resistor rod 30 in the connected circuit. The ammeter 17 is connected to the resistor rod 30 through two wires. When the length of the resistor rod 30 changes, the reading of the ammeter 17 will also change, thereby determining whether the main shaft is balanced, which is convenient to use.

It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by... does not exclude the existence of other identical elements in the process, method, article or device including the element".

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a main shaft dynamic balance detection device, includes workstation (1), its characterized in that, both ends fixed mounting of workstation (1) upper surface have support (10), support (10) upper end fixed mounting has the crossbeam, fixed mounting has slide (13) on the lower wall of crossbeam, movable mounting has slider (16) on slide (13), the lower extreme fixed mounting of slider (16) has upper plate (15), the both ends of the lower wall of upper plate (15) are fixed mounting respectively has cylinder (14), and a pair of fixed mounting has lower plate (22) on the flexible end of cylinder (14), fixed mounting has ampere meter (17) on the upper wall of lower plate (22) one end, fixed cartridge has sleeve (21) on the other end of lower plate (22), movable cartridge has slide (20) in sleeve (21), fixed mounting has rectangular rod (18) on the central point of slide (20) lower wall, the lower extreme inside is seted up flutedly, movable mounting has ball (19) in the recess, upper plate (21) are fixed mounting has lower plate (22) on the telescopic end, square support mechanism (7) are equipped with in the support post (7) in the side, square support post (7) are equipped with in the workstation (1), an electric three-jaw chuck (32) is arranged at the upper end of the supporting shaft (8).

2. The spindle dynamic balance detection device according to claim 1, wherein the control mechanism comprises a sliding rod (24) movably inserted on the sleeve (21), an insulating rod (25) is fixedly arranged at the upper end of the sliding rod (24) and fixedly connected with the upper wall surface of the sliding plate (20), a spring (23) is sleeved outside the lower end of the sliding rod (24), the upper end and the lower end of the spring (23) are fixedly connected with the upper wall surface inside the sleeve (21) and the upper wall surface of the sliding plate (20), one end of the insulating rod (25) is fixedly provided with a conductive copper plate (26), one side of the conductive copper plate (26) is fixedly provided with a connecting copper plate (27), a socket (31) is arranged on the lower plate (22), a resistor rod (30) is fixedly inserted on the socket (31), a first conducting wire (29) is connected with the lower end of the resistor rod (30), the connecting copper plate (27) is in sliding contact with the resistor rod (30), a second conducting wire (28) is connected with the conductive copper plate (26), and the second conducting wire (28) is connected with the electric control surface (17).

3. The spindle dynamic balance detection device according to claim 1, wherein the supporting mechanism comprises a sliding arm (6) movably inserted in the square sliding groove, a threaded rod (5) is screwed in the lower end of the sliding arm (6) and a supporting block (3) is fixedly arranged at the upper end of the sliding arm, a driving motor (4) is arranged at the lower end of the square sliding groove, the driving end of the driving motor (4) is fixedly connected with the lower end of the threaded rod (5), and a pair of driven roller wheels (2) are arranged in the upper end of the supporting block (3).

4. The spindle dynamic balance detection device according to claim 1, wherein a fixed plate is arranged on the inner wall of the bracket (10), a second driving motor (11) is installed on the fixed plate, a base is installed at one end of the lower wall surface of the cross beam, a second threaded rod (12) is rotatably installed on the base, the second threaded rod (12) is rotatably connected in the sliding block (16), and one end of the second threaded rod is connected with the driving end of the second driving motor (11).

5. The spindle dynamic balance detection device according to claim 1, wherein a third driving motor (9) is arranged on the workbench (1), a driving gear is arranged on the driving end of the third driving motor (9), a driven gear is sleeved on the supporting shaft (8), and the driven gear is meshed with the driving gear.