CN115371889A

CN115371889A - Main shaft dynamic balance detection device

Info

Publication number: CN115371889A
Application number: CN202210801580.9A
Authority: CN
Inventors: 王丹; 杨军; 邱海莲; 王林
Original assignee: Yunnan Machinery Research And Design Institute Co ltd
Current assignee: China National Machinery Institute Group Yunnan Branch Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-11-22
Anticipated expiration: 2042-07-08
Also published as: CN115371889B

Abstract

The invention discloses a dynamic balance detection device for a main shaft, which comprises a workbench, wherein two ends of the upper surface of the workbench are fixedly provided with a support, the upper end of the support is fixedly provided with a cross beam, the lower wall surface of the cross beam is fixedly provided with a slide way, the slide way is movably provided with a slide block, the lower end of the slide block is fixedly provided with an upper plate, two ends of the lower wall surface of the upper plate are respectively and fixedly provided with a cylinder, a pair of telescopic ends of the cylinders are fixedly provided with a lower plate, the upper wall surface of one end of the lower plate is fixedly provided with an ammeter, the other end of the lower plate is fixedly inserted with a sleeve, and a slide plate is movably inserted in the sleeve.

Description

Main shaft dynamic balance detection device

Technical Field

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

Background

The invention discloses a spindle maintenance detection device for a numerical control machine tool, which comprises a cabin body, wherein a moving mechanism is fixedly arranged on the inner bottom wall of the cabin body, a first push rod is fixedly arranged at the top of the moving mechanism, a protection mechanism is fixedly arranged at the output end of the first push rod, a control mechanism is fixedly arranged at the top of the moving mechanism and positioned at the left side of the first push rod, a bearing mechanism with one end penetrating and extending into the control mechanism is inserted into the right side of the control mechanism, a second push rod is fixedly arranged on the inner top wall of the cabin body, a fixed column is fixedly arranged at the bottom of the second push rod, however, in actual life, a probe of the dial indicator is often seriously worn when in use, so that large errors are caused to be detected, and meanwhile, the mode of installing the spindle to be detected is that two ends are fixed, and the method has the defect that when the spindle is fixed and inconvenient to use due to the fact that the spindle is too long.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a spindle dynamic balance detection device, which solves the problems that the probe of the existing device is seriously abraded and a longer spindle is inconvenient to install.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a main shaft dynamic balance detection device, includes the workstation, the both ends fixed mounting of workstation upper surface has the support, support upper end fixed mounting has the crossbeam, fixed mounting has the slide on the lower wall of crossbeam, movable mounting has the slider on the slide, the lower extreme fixed mounting of slider has the upper plate, the both ends difference fixed mounting of the lower wall of upper plate has the cylinder, and is a pair of fixed mounting has the hypoplastron on the flexible end of cylinder, fixed mounting has the ampere meter on the upper wall of hypoplastron one end, the fixed cartridge of the hypoplastron other end has the sleeve, movable cartridge has the slide in the sleeve, fixed mounting has the stock under the slide on the central point of wall puts, the inside recess that has seted up of stock lower extreme, movable mounting has the ball in the recess, install control mechanism on the sleeve, one side fixed mounting of wall has square post on the workstation, square spout has been seted up in the square post, be equipped with supporting mechanism in the square spout, the opposite side rotation of wall installs the back shaft, electronic three-jaws are installed to the upper end of back shaft.

Preferably, control mechanism is including the activity cartridge be in slide bar on the sleeve, slide bar upper end fixed mounting have insulator spindle and lower extreme with wall fixed connection on the slide, the outside cover of slide bar lower extreme has the spring, the upper and lower both ends of spring respectively with the inside wall fixed connection that goes up of sleeve and slide, the one end fixed mounting of insulator spindle has electrically conductive copper, one side fixed mounting of electrically conductive copper has the connection copper, be equipped with the socket on the hypoplastron, fixed cartridge has the resistance bar on the socket, the lower extreme of resistance bar is connected with first wire, connect the copper with resistance bar sliding contact, be connected with the second wire on the electrically conductive copper, the second wire and first wire with the automatically controlled connection of input/output end wire of ampere meter.

Preferably, the supporting mechanism is in including the activity cartridge the cursor slide in the square spout, the inside threaded rod and the upper end fixed mounting that have connect soon of cursor slide lower extreme have the supporting shoe, driving motor is installed to square spout lower extreme, driving motor's drive end with threaded rod lower extreme fixed connection, supporting shoe upper end internally mounted has a pair of driven running roller.

Preferably, a fixing plate is arranged on the inner wall of the support, a second driving motor is installed on the fixing plate, a base is installed at one end of the lower wall surface of the cross beam, a second threaded rod is installed on the base in a rotating mode, the second threaded rod is connected in the sliding block in a rotating mode, and one end of the second threaded rod is connected with the driving end of the second driving motor.

Preferably, a third driving motor is arranged on the workbench, a driving gear is mounted at a driving end of the third driving motor, a driven gear is sleeved on the supporting shaft, and the driven gear is meshed with the driving gear.

Advantageous effects

The invention provides a main shaft dynamic balance detection device which has the following beneficial effects that the structure is compact, balls are arranged in a groove at the lower end of a long rod, when the device is used, a spring can push a sliding plate downwards, the sliding plate enables the balls to be in contact with the upper surface of a main shaft to be detected below through the long rod, the main shaft is enabled to rotate through an electric three-jaw chuck, the balls and the main shaft can rotate simultaneously in the rotating process, the loss caused by friction can be effectively reduced, after the device is used for a long time, only the balls are replaced even if the balls are replaced, the damage to measuring equipment cannot be caused, when the main shaft is installed, the electric three-jaw chuck clamps one end of the main shaft, the other end of the main shaft is lapped on a pair of driven rollers, the mode can clamp the longer main shaft, the two ends cannot be clamped due to the longer main shaft, and the use convenience is brought to people.

Drawings

Fig. 1 is a schematic front view of the present invention.

FIG. 2 is an enlarged view of a portion of FIG. 1 according to the present invention.

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

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

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a spindle dynamic balance detection device comprises a workbench 1, wherein two ends of the upper surface of the workbench 1 are fixedly provided with a support 10, the upper end of the support 10 is fixedly provided with a cross beam, the lower wall surface of the cross beam is fixedly provided with a slide 13, the slide 13 is movably provided with a slide block 16, the lower end of the slide block 16 is fixedly provided with an upper plate 15, two ends of the lower wall surface of the upper plate 15 are respectively fixedly provided with an air cylinder 14, a pair of telescopic ends of the air cylinder 14 are fixedly provided with a lower plate 22, the upper wall surface of one end of the lower plate 22 is fixedly provided with an ammeter 17, the other end of the lower plate 22 is fixedly inserted with a sleeve 21, the sleeve 21 is movably inserted with a sliding plate 20, the central position of the lower wall surface of the sliding plate 20 is fixedly provided with a long rod 18, the lower end of the long rod 18 is internally provided with a groove, the groove is movably provided with a ball 19, the sleeve 21 is provided with a control mechanism, one side of the upper wall surface of the workbench 1 is fixedly provided with a square column 7, the square column 7 is arranged in the square column 7, the square column 7 is internally provided with a square chute, a support mechanism is arranged in the square chute, the square chute is internally provided with a support mechanism, the other side of the wall surface of the workbench 1 is rotatably provided with a support shaft 8, the slide plate 24 is fixedly provided with a conductive claw 23, the slide rod 24 is connected with a conductive claw 23, the slide rod 24, the conductive claw 23 is fixedly connected with a conductive claw 23, the upper end of the slide rod 24 is connected with a conductive chuck 23, the fixed on the fixed copper plate 24, the fixed on the fixed jaw of the copper plate 24, the fixed on the copper plate, the copper plate 24, the slide rod 23, the fixed jaw 23 is connected with a conductive chuck 23, the slide rod 23, be equipped with socket 31 on hypoplastron 22, the last fixed cartridge of socket 31 has resistance rod 30, the lower extreme of resistance rod 30 is connected with first wire 29, connect copper 27 with resistance rod 30 sliding contact, be connected with second wire 28 on the electrically conductive copper 26, second wire 28 and first wire 29 with ammeter 17's input/output end wire automatically controlled connection, supporting mechanism includes that the activity cartridge is in slide arm 6 in the square chute, the inside spiro union of slide arm 6 lower extreme has threaded rod 5 and upper end fixed mounting to have supporting shoe 3, driving motor 4 is installed to the square chute lower extreme, driving motor 4's drive end with threaded rod 5 lower extreme fixed connection, 3 upper ends internally mounted of supporting shoe have a pair of driven roller 2, be equipped with the fixed plate on the support 10 inner wall, install second driving motor 11 on the fixed plate, the base is installed to the lower wall one end of crossbeam, rotate on the base and install second threaded rod 12, second threaded rod 12 is spiro union in the slider 16 and one end with second driving motor 11 is connected, be equipped with third driving motor 9 on the workstation 1, install third driving motor 9 on the drive end drive gear 8 the driven gear mesh the driven gear is equipped with the driving gear.

The following working principles, detailed connecting means thereof, and following main descriptions of the working principles and processes shall be referred to by those skilled in the art to connect the components in this case in sequence, and specific connecting and operating sequences thereof.

Example (b): when the tester is used, firstly, a main shaft to be tested is clamped by an electric three-jaw chuck 32, then the driving motor 4 is started, the driving motor 4 drives a threaded rod 5 to rotate, and further, a sliding arm 6 can be controlled to move up and down in a square column, the height of a driven roller 2 on a supporting block 3 can be controlled by the movement of the sliding arm 6, so that the bottom of the other end of the main shaft can be conveniently supported, then a pneumatic cylinder 14 is started, a lower plate 22 in Jiangxi is started, a ball 19 is in contact with the surface of the main shaft, and a spring 23 is in a compressed state, the electric three-jaw chuck 32 is started, so that the main shaft rotates (the existing equipment already has the three-jaw chuck capable of rotating, which belongs to the prior art), in the process of rotating the main shaft, if the surface has fluctuation, the long rod 18 is driven to move up and down by the ball 19, the long rod 18 drives a sliding rod 24 above to move up and down by a sliding plate 20, the sliding rod 24 drives an insulating rod 25 to move up and down, the insulating rod 25 drives a copper plate 27 to slide on the resistance rod 30 through a conductive copper plate 26, the length of the resistance rod 30 in a circuit is changed, the ammeter 17 is communicated with two wires, so that the ammeter 30, the length of the ammeter 30 can be conveniently used, and the ammeter 17 can be changed, and the ammeter 17 can be conveniently determined.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises 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 alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a main shaft dynamic balance detection device, includes workstation (1), its characterized in that, the both ends fixed mounting of workstation (1) upper surface has 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 hypoplastron (22) on the flexible end of cylinder (14), fixed mounting has ammeter (17) on the last wall of hypoplastron (22) one end, hypoplastron (22) other end fixed cartridge has sleeve (21), sleeve (21) internalization cartridge has slide (20), slide (20) down the central point of wall put fixed mounting has stock (18), stock (18) lower extreme inside sets up flutedly, movable mounting has ball (19) in the recess, sleeve (21) is last to install control mechanism, one side fixed mounting of workstation (1) upper wall has square post (7), square wall support post (8) in the square spout mechanism is equipped with the square support in the workstation (1), and an electric three-jaw chuck (32) is installed 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 slide rod (24) movably inserted into the sleeve (21), an insulating rod (25) is fixedly installed at the upper end of the slide rod (24), the lower end of the slide rod is fixedly connected with the upper wall surface of the slide plate (20), a spring (23) is sleeved outside the lower end of the slide 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 slide plate (20), a conductive copper plate (26) is fixedly installed at one end of the insulating rod (25), a connecting copper plate (27) is fixedly installed at one side of the conductive copper plate (26), a socket (31) is arranged on the lower plate (22), a resistor rod (30) is fixedly inserted into the socket (31), the lower end of the resistor rod (30) is connected with a first lead (29), the connecting copper plate (27) is in sliding contact with the resistor rod (30), a second lead (28) is connected to the conductive copper plate (26), and the second lead (28) and the first lead (29) are connected with an input end of the ammeter (17).

3. The dynamic balance detection device for the main shaft according to claim 1, wherein the supporting mechanism comprises a slide arm (6) movably inserted into the square chute, a threaded rod (5) is screwed into the lower end of the slide arm (6), a supporting block (3) is fixedly installed at the upper end of the slide arm, a driving motor (4) is installed at the lower end of the square chute, 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 rollers (2) is installed inside the upper end of the supporting block (3).

4. The spindle dynamic balance detection device according to claim 1, wherein a fixing plate is arranged on an inner wall of the bracket (10), a second driving motor (11) is installed on the fixing plate, a base is installed at one end of a 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 a 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 provided on the table (1), a driving gear is provided on a driving end of the third driving motor (9), a driven gear is sleeved on the support shaft (8), and the driven gear is engaged with the driving gear.