CN218994524U

CN218994524U - Machining center driving shaft vibration signal detection device

Info

Publication number: CN218994524U
Application number: CN202223413461.0U
Authority: CN
Inventors: 颜颖; 廖连莹; 谢马福; 陈莉
Original assignee: Jiangsu Tuozhibang Cnc Technology Co ltd
Current assignee: Jiangsu Tuozhibang Cnc Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-09
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a machining center driving shaft vibration signal detection device which comprises a fixed plate, a turntable and side plates, wherein supporting plates are fixedly arranged at two ends of the bottom surface of the fixed plate, a connecting plate is fixedly connected between the supporting plates and the fixed plate, an installation seat is arranged at the bottom of the supporting plates in a threaded manner, a servo motor is fixedly arranged at the bottom of the fixed plate, and the top end of the servo motor is connected with the turntable. This machining center driving shaft vibration signal detection device is provided with locating plate, thread groove, adjusting screw and grip block, can make its inside through the thread groove at the locating plate remove through the rotation to adjusting screw to it is fixed to drive the grip block and carry out the centre gripping to the driving shaft of different specifications, improved this vibration signal detection device and detected the stability of centre gripping work, improved this vibration signal detection device simultaneously and fixed work's convenience to the driving shaft location, be favorable to promoting vibration signal detection work's efficiency.

Description

Machining center driving shaft vibration signal detection device

Technical Field

The utility model relates to the technical field of machining centers, in particular to a device for detecting vibration signals of a driving shaft of a machining center.

Background

The machining center is a numerical control milling machine with a tool magazine, the numerical control milling machine is automatic machining equipment developed on the basis of a general milling machine, machining processes of the numerical control milling machine and the numerical control milling machine are basically the same, wherein a driving shaft is one of important parts in the machining center, before the driving shaft is used, the driving shaft is required to be subjected to rotary vibration measurement, the rotary vibration data of the driving shaft are conveniently known, so that the vibration deviation of the driving shaft is known, the driving shaft is required to be detected through a vibration signal detection device, and the following defects still exist in the using process of the conventional vibration signal detection device:

1. before detecting the driving shaft of the machining center, the driving shaft is required to be connected with the rotating assembly so as to ensure that the driving shaft stably rotates and accurately detects vibration signals, and the existing detection device usually fixedly installs the driving shaft on the rotating assembly in a threaded connection mode, so that the driving shaft is inconvenient to rapidly position, install and detach in the process of detecting a large number of driving shafts of the machining center, and the detection efficiency of the driving shaft vibration signal detection device is reduced;

2. in the process of detecting the driving shaft of the machining center, because the lengths of the driving shafts are different, signals of different positions of the driving shafts are required to be detected, however, the conventional vibration signal detection device is inconvenient to adjust the position of the vibration signal detection assembly, so that the position of the vibration signal detection assembly is inconvenient to correspondingly adjust according to the length of the driving shaft, and meanwhile, the vibration signal detection assembly is inconvenient to adjust when the signals of different positions are detected.

So we propose a machining center driving shaft vibration signal detection device so as to solve the above mentioned problems.

Disclosure of Invention

The utility model aims to provide a vibration signal detection device for a driving shaft of a machining center, which aims to solve the problems that the vibration signal detection device for the driving shaft of the machining center in the current market provided by the background technology is inconvenient to rapidly disassemble and assemble the driving shaft and inconvenient to adjust a vibration signal detection assembly.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a vibration signal detection device for a driving shaft of a machining center comprises a fixed plate, a turntable and a side plate,

the two ends of the bottom surface of the fixed plate are fixedly provided with supporting plates, a connecting plate is fixedly connected between the supporting plates and the fixed plate, and the bottom of the supporting plate is provided with a mounting seat in a threaded manner;

the device comprises a fixed plate, a rotary table, a positioning plate, a screw groove, an adjusting screw rod, a clamping plate and a driving shaft body, wherein the bottom of the fixed plate is fixedly provided with the servo motor, the top end of the servo motor is connected with the rotary table, the two sides of the surface of the rotary table are fixedly provided with the positioning plate, the screw groove is formed in the positioning plate, the adjusting screw rod penetrates through the screw groove, one end of the adjusting screw rod is connected with the clamping plate, and the driving shaft body is attached to the inner side of the clamping plate;

the top surfaces of the two ends of the fixed plate are fixedly provided with side plates, one end of each side plate is fixedly connected with a limiting plate, sliding grooves are formed between the limiting plates on the two sides, limiting grooves are formed in the limiting plates, movable plates are attached to the inside of the limiting grooves, one end of each movable plate is fixedly connected with a vibration signal detection assembly, one end of each vibration signal detection assembly is connected with a connecting wire, one end of each connecting wire is connected with a control center, and the control center is fixedly connected with the supporting plate;

the inside of fly leaf has seted up the spread groove, the inside of spread groove runs through there is the block pole, the one end surface winding of block pole has the spring, the block groove has been seted up to the surface of curb plate, the block groove is connected with the block pole block.

Preferably, the supporting plate and the connecting plate are symmetrically arranged about the central line of the fixing plate, and the connecting plates are distributed at two ends of one side of the supporting plate at equal intervals.

By adopting the design of the structure, the structural strength between the supporting plate and the fixing plate is improved, so that the vibration signal detection device is stably supported as a whole, and the detection stability of the vibration signal detection device is improved.

Preferably, the adjusting screw is in threaded connection with the locating plate through a thread groove, the adjusting screw is in rotary connection with the clamping plate, and the locating plate and the clamping plate are in arc-shaped structure.

Adopt the design of above-mentioned structure for can drive the grip block through the rotation to adjusting screw and remove, thereby be convenient for carry out the centre gripping to the driving shaft body of different specifications and fix in order to follow-up detection, improved the device vibration signal and detected the adaptability of work, also can carry out quick dismouting to the driving shaft body simultaneously, improved this vibration signal detection device's detection efficiency.

Preferably, the side plates and the limiting plates are vertically distributed, the side plates and the limiting plates are in sliding connection with the vibration signal detection assembly through the sliding grooves, and the width of the vibration signal detection assembly is consistent with that of the sliding grooves.

Adopt the design of above-mentioned structure for the spout can carry out effectual spacing to vibration signal detection subassembly's lift regulation, has improved vibration signal detection subassembly and has adjusted the stability of work, and the vibration signal detection subassembly of also being convenient for simultaneously carries out accurate detection to the different positions of different length and driving shaft, and the vibration signal detection subassembly that the symmetry set up can be at the in-process cross reference of detection.

Preferably, the movable plate is symmetrically arranged about the central line of the vibration signal detection assembly, the vibration signal detection assembly is in sliding connection with the limit groove through the movable plate, and the detection end of the vibration signal detection assembly is in fit connection with the surface of the driving shaft body.

By adopting the design of the structure, the limit groove is convenient to match with the movable plate and the sliding groove to carry out dual limit on the vibration signal detection assembly, the stability of adjustment of the vibration signal detection assembly is further improved, and the fitting of the vibration signal detection assembly and the driving shaft body can be favorable for carrying out accurate detection work.

Preferably, the two ends of the spring are fixedly connected with the clamping rod and the movable plate respectively, the clamping rod and the movable plate form a telescopic structure through the spring, and the clamping grooves are formed in the surface of the side plate at equal intervals.

By adopting the design of the structure, the adjusted vibration signal detection assembly can be effectively positioned, deviation of a case-setting side result caused by shaking of the vibration signal detection assembly in the detection process is avoided, and the stability and the accuracy of vibration signal detection work are improved.

Compared with the prior art, the utility model has the beneficial effects that: the driving shaft vibration signal detection device of the machining center;

1. the servo motor is provided with the fixing plate, the supporting plate, the connecting plate, the servo motor and the rotating disc, so that the connecting plate can stably support and connect the fixing plate and the supporting plate, stable supporting work of the servo motor and the rotating disc is facilitated, and the stability of the servo motor for driving the driving shaft to rotate and detecting vibration signals is improved;

2. the vibration signal detection device is provided with the locating plate, the thread groove, the adjusting screw and the clamping plate, and can move in the locating plate through the thread groove by rotating the adjusting screw so as to drive the clamping plate to clamp and fix driving shafts of different specifications, so that the stability of the vibration signal detection device in detecting clamping work is improved, the convenience of the vibration signal detection device in locating and fixing the driving shafts is improved, and the efficiency of vibration signal detection work is improved;

3. be provided with curb plate, limiting plate, spout, spacing groove, fly leaf, vibration signal detection subassembly, block pole and block groove for the device is being at the in-process of adjusting vibration signal detection subassembly, and curb plate and limiting plate can be spacing through spout and spacing groove to vibration signal detection subassembly's lift, have guaranteed vibration signal detection subassembly lift adjustment's stability, and the block pole is connected with the block groove of different positions, can fix a position the vibration signal detection subassembly of different positions after adjusting, are favorable to carrying out stable regulation and location to vibration signal detection subassembly, have improved the accuracy nature that vibration signal detection subassembly carries out vibration signal detection work to the driving shaft.

Drawings

FIG. 1 is a schematic diagram of a side view of the present utility model;

FIG. 2 is a schematic diagram of a connection structure of a servo motor and a turntable according to the present utility model;

FIG. 3 is a schematic side sectional view of a locating plate according to the present utility model;

FIG. 4 is a schematic diagram of the distribution structure of the side plate and the limiting plate according to the present utility model;

fig. 5 is a schematic diagram of a connection structure between a side plate and a movable plate according to the present utility model.

In the figure: 1. a fixing plate; 2. a support plate; 3. a connecting plate; 4. a mounting base; 5. a servo motor; 6. a turntable; 7. a positioning plate; 8. a thread groove; 9. adjusting a screw; 10. a clamping plate; 11. a driving shaft body; 12. a side plate; 13. a limiting plate; 14. a chute; 15. a limit groove; 16. a movable plate; 17. a vibration signal detection assembly; 18. a connecting wire; 19. a control center; 20. a connecting groove; 21. a clamping rod; 22. a spring; 23. and a clamping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a machining center driving shaft vibration signal detection device, including fixed plate 1, carousel 6 and curb plate 12, fixed plate 1's bottom surface both ends fixed mounting has backup pad 2, fixedly connected with connecting plate 3 between backup pad 2 and the fixed plate 1, backup pad 2 and connecting plate 3 set up about fixed plate 1's central line symmetry, and connecting plate 3 equidistant distribution in one side both ends of backup pad 2, mount pad 4 is installed to the bottom screw thread of backup pad 2, the design of above-mentioned structure, make connecting plate 3 can carry out stable connection between fixed plate 1 and the backup pad 2, structural stability between them has been improved, thereby can carry out stable support to servo motor 5 and carousel 6, the stability of servo motor 5 drive carousel 6 and driving shaft body 11 carrying out rotation detection work has been guaranteed.

Specifically as shown in fig. 1-3, servo motor 5 is fixedly installed at the bottom of fixed plate 1, servo motor 5's top is connected with carousel 6, the surface both sides fixed mounting of carousel 6 has locating plate 7, thread groove 8 has been seted up to the inside of locating plate 7, the inside of thread groove 8 runs through has adjusting screw 9, adjusting screw 9 passes through thread groove 8 and locating plate 7 threaded connection, the one end of adjusting screw 9 is connected with grip block 10, and adjusting screw 9 and grip block 10 rotate to locating plate 7 and grip block 10 are arc structure setting, the inboard laminating of grip block 10 has driving shaft body 11, the design of above-mentioned structure, make through the rotation to adjusting screw 9 can drive grip block 10 to the driving shaft body 11 of carousel 6 various specification carry out stable location work, the stability of driving shaft body 11 has been guaranteed to carousel 6 in rotatory in-process, be favorable to improving vibration signal detection assembly 17 and carry out effective and accurate vibration signal detection work to driving shaft body 11, the driving shaft body 11 after the detection is also convenient for carrying out quick dismantlement to the driving shaft body 11 after the detection and carrying out quick installation of this driving shaft body 11 and the detection device of this vibration signal detection work is carried out in batches to driving shaft 11.

Specifically as shown in fig. 1-4, the top surface of the two ends of the fixed plate 1 is fixedly provided with a side plate 12, one end of the side plate 12 is fixedly connected with a limiting plate 13, the side plate 12 and the limiting plate 13 are vertically distributed, a chute 14 is formed between the limiting plates 13 on two sides, a limiting groove 15 is formed in the inside of the limiting plate 13, a movable plate 16 is attached to the inside of the limiting groove 15, a vibration signal detection assembly 17 is slidably connected with the limiting groove 15 through the movable plate 16, one end of the movable plate 16 is fixedly connected with a vibration signal detection assembly 17, the detection end of the vibration signal detection assembly 17 is attached to the surface of the driving shaft body 11, the movable plate 16 is symmetrically arranged about the central line of the vibration signal detection assembly 17, the side plate 12 and the limiting plate 13 are slidably connected with the vibration signal detection assembly 17 through the chute 14, the width of the vibration signal detection assembly 17 is identical with the width of the chute 14, one end of the vibration signal detection assembly 17 is connected with a connecting wire 18, a control center 19 is fixedly connected with the one end of the connecting wire 18, the control center 19 is fixedly connected with the supporting plate 2, the design of the structure enables the vibration signal detection assembly 17 to stably slide in the inside of the chute 14, thereby facilitating the stable sliding of the vibration signal detection assembly 17, the stable in the detection of the inside of the chute 14, the vibration signal detection assembly 17 can not be easily carried out, the vibration signal detection assembly 17, the stable detection assembly is well, the vibration signal detection assembly is not stable, the vibration signal detection assembly is well has a stable vibration signal detection assembly 17, the vibration signal detection assembly is well has a stable vibration signal detection assembly and the stability, and the vibration signal detection assembly has a stable quality has a stable vibration signal detection structure.

As shown in fig. 1-5, a connecting groove 20 is formed in the movable plate 16, a clamping rod 21 penetrates through the connecting groove 20, a spring 22 is wound on one end surface of the clamping rod 21, two ends of the spring 22 are fixedly connected with the clamping rod 21 and the movable plate 16 respectively, the clamping rod 21 and the movable plate 16 form a telescopic structure through the spring 22, a clamping groove 23 is formed in the surface of the side plate 12, the clamping grooves 23 are formed in the surface of the side plate 12 at equal intervals, the clamping grooves 23 are connected with the clamping rod 21 in a clamping mode, and after the vibration signal detection assembly 17 is lifted and adjusted, the spring 22 can pull the clamping rod 21 to clamp the clamping groove 23 in the corresponding position, so that the adjusted vibration signal detection assembly 17 is positioned conveniently, shaking of the vibration signal detection assembly 17 in the detection process is avoided, and the accuracy of the detection work of the vibration signal detection device is further improved.

Working principle: when the vibration signal detection device for the driving shaft of the machining center is used, firstly, as shown in fig. 1-3, the driving shaft body 11 is placed on the turntable 6, then the adjusting screw 9 is rotated to enable the adjusting screw 9 to move in the positioning plate 7 through the thread groove 8, meanwhile, the clamping plate 10 is driven to clamp and fix the driving shaft body 11, then the servo motor 5 is started to drive the turntable 6 and the clamped driving shaft body 11 to rotate, so that the vibration signal detection assembly 17 detects a vibration signal, and information is transmitted to the control center 19 through the connecting wire 18, and therefore vibration signal detection work is completed.

In the use process, as shown in fig. 1 and fig. 4-5, when the vibration signal detection assembly 17 needs to be adjusted according to the length of the driving shaft body 11 and the position to be detected, the vibration signal detection assembly 17 can slide and lift the sliding groove 14 between the side plate 12 and the limiting plate 13 by pushing and pulling the vibration signal detection assembly 17 with high force, meanwhile, the limiting groove 15 can also effectively limit the lifting of the vibration signal detection assembly 17, and when the position is proper, the spring 22 pulls the clamping rod 21 to slide in the movable plate 16 through the connecting groove 20 and form clamping with the corresponding clamping groove 23, so that the adjustment and positioning work of the vibration signal detection assembly 17 is completed.

To complete a series of work, and what is not described in detail in this specification is prior art that is well known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a machining center driving shaft vibration signal detection device, includes fixed plate (1), carousel (6) and curb plate (12), its characterized in that:

the two ends of the bottom surface of the fixed plate (1) are fixedly provided with support plates (2), a connecting plate (3) is fixedly connected between the support plates (2) and the fixed plate (1), and an installation seat (4) is arranged at the bottom of the support plates (2) in a threaded manner;

the automatic control device is characterized in that a servo motor (5) is fixedly arranged at the bottom of the fixed plate (1), a turntable (6) is connected to the top end of the servo motor (5), positioning plates (7) are fixedly arranged on two sides of the surface of the turntable (6), a thread groove (8) is formed in the positioning plates (7), an adjusting screw (9) penetrates through the thread groove (8), a clamping plate (10) is connected to one end of the adjusting screw (9), and a driving shaft body (11) is attached to the inner side of the clamping plate (10);

the device is characterized in that side plates (12) are fixedly arranged on the top surfaces of two ends of the fixed plate (1), one end of each side plate (12) is fixedly connected with a limiting plate (13), a sliding groove (14) is formed between the limiting plates (13) on two sides, a limiting groove (15) is formed in each limiting plate (13), a movable plate (16) is attached to the inside of each limiting groove (15), a vibration signal detection assembly (17) is fixedly connected to one end of each movable plate (16), a connecting wire (18) is connected to one end of each vibration signal detection assembly (17), a control center (19) is connected to one end of each connecting wire (18), and each control center (19) is fixedly connected with each supporting plate (2);

the inside of fly leaf (16) has seted up spread groove (20), the inside of spread groove (20) has run through block pole (21), the one end surface winding of block pole (21) has spring (22), block groove (23) have been seted up on the surface of curb plate (12), block groove (23) are connected with block pole (21) block.

2. The machining center driving shaft vibration signal detection device according to claim 1, wherein: the support plate (2) and the connecting plate (3) are symmetrically arranged about the central line of the fixed plate (1), and the connecting plate (3) is distributed at equal intervals at two ends of one side of the support plate (2).

3. The machining center driving shaft vibration signal detection device according to claim 1, wherein: the adjusting screw (9) is in threaded connection with the locating plate (7) through the thread groove (8), the adjusting screw (9) is rotationally connected with the clamping plate (10), and the locating plate (7) and the clamping plate (10) are in arc-shaped structure.

4. The machining center driving shaft vibration signal detection device according to claim 1, wherein: the side plates (12) and the limiting plates (13) are vertically distributed, the side plates (12) and the limiting plates (13) are in sliding connection with the vibration signal detection assembly (17) through the sliding grooves (14), and the width of the vibration signal detection assembly (17) is consistent with the width of the sliding grooves (14).

5. The machining center driving shaft vibration signal detection device according to claim 1, wherein: the movable plate (16) is symmetrically arranged about the central line of the vibration signal detection assembly (17), the vibration signal detection assembly (17) is in sliding connection with the limit groove (15) through the movable plate (16), and the detection end of the vibration signal detection assembly (17) is in fit connection with the surface of the driving shaft body (11).

6. The machining center driving shaft vibration signal detection device according to claim 1, wherein: the two ends of the spring (22) are fixedly connected with the clamping rod (21) and the movable plate (16) respectively, the clamping rod (21) and the movable plate (16) form a telescopic structure through the spring (22), and the clamping grooves (23) are formed in the surface of the side plate (12) at equal intervals.