CN116296322A - Complete machine static stiffness detection device of numerical control machine tool - Google Patents
Complete machine static stiffness detection device of numerical control machine tool Download PDFInfo
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- CN116296322A CN116296322A CN202310153932.9A CN202310153932A CN116296322A CN 116296322 A CN116296322 A CN 116296322A CN 202310153932 A CN202310153932 A CN 202310153932A CN 116296322 A CN116296322 A CN 116296322A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a complete machine static stiffness detection device of a numerical control machine, which comprises a base, wherein a rotating shaft is rotationally connected to the base, a circular plate is fixedly connected to the top of the rotating shaft, a vertical plate is slidably connected to the top of the circular plate, a left sliding rail and a right sliding rail are symmetrically and fixedly connected to the side wall of the vertical plate, a left rack is slidably connected to the side wall of the left sliding rail, a right rack is slidably connected to the side wall of the right sliding rail, baffles are fixedly connected to the side walls of the left rack and the right rack, a cavity is formed in the inner wall of each baffle, a sliding plate is slidably connected to the inside of the cavity, and springs are symmetrically and fixedly connected to the side walls of the sliding plate. According to the invention, through arranging the structures such as the rotating rod, the gear, the racks and the like, the two arc plates respectively press against the upper part and the lower part of the main shaft unit of the numerical control machine tool, and the pressure sensor transmits real-time pressure to the display screen for display through the electric signal, so that the operation of providing load for the main shaft unit of the numerical control machine tool along the vertical direction is completed.
Description
Technical Field
The invention relates to the technical field of numerical control machine tool performance detection devices, in particular to a complete machine static stiffness detection device of a numerical control machine tool.
Background
The main shaft unit is a core functional component of the numerical control machine, the static stiffness of the main shaft unit of the numerical control machine is the capacity of resisting deformation of the main shaft unit under the action of cutting force, when the front end of the main shaft generates unit displacement, the acting force applied in the displacement direction is used for representing the static stiffness of the main shaft as an important index for evaluating the quality of the whole machine of the numerical control machine, and is also an important index for designing the main shaft of the numerical control machine, so that the vibration resistance, stability and the like of the main shaft unit can be reflected, the dynamic characteristics of the main shaft of the numerical control machine can be influenced by the static performance of the main shaft of the numerical control machine, the geometric precision of parts can be changed, the processing quality can be reduced, and the main shaft dynamic characteristics, the bearing life and the noise can be predicted.
The detection of the main shaft unit of the whole machine of the existing numerical control machine tool usually only can apply a load in the vertical direction to a certain position of the main shaft, and is troublesome for switching the load upwards or downwards in the vertical direction, when the main shaft units of a plurality of numerical control machine tools are required to be detected, the detection device is required to be frequently moved, so that the detection efficiency is low.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a complete machine static stiffness detection device of a numerical control machine tool.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a digit control machine tool complete machine static stiffness detection device, includes the base, the base rotates and is connected with the pivot, pivot top fixedly connected with plectane, plectane top sliding connection has the riser, the lateral wall symmetry fixedly connected with left slide rail and right slide rail of riser, left side slide rail lateral wall sliding connection has left rack, right slide rail lateral wall sliding connection has right rack, left rack and right rack lateral wall equal fixedly connected with baffle, every the cavity has all been seted up to the baffle inner wall, the inside sliding connection of cavity has the slide, slide lateral wall symmetry fixedly connected with spring, the other end and the cavity inner wall fixedly connected with of spring, slide lateral wall fixedly connected with push rod, fixedly connected with arc behind the cavity inner wall is run through to the other end of push rod, the one end fixedly connected with extrusion piece of push rod is kept away from to the slide, cavity inner wall fixedly connected with pressure sensor.
Further, riser lateral wall fixedly connected with second motor, the output fixedly connected with bull stick of second motor, bull stick lateral wall fixedly connected with gear, the through-hole has been seted up to riser lateral wall symmetry.
Further, the symmetrical fixedly connected with rectangular plate in plectane top, two rectangular plate inner wall runs through and rotates and be connected with the lead screw, threaded hole has been seted up to riser lateral wall, lead screw threaded connection is inside the screw hole.
Further, one of the rectangular plate side walls is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with one end of the screw rod.
Further, the gear is in meshed connection with the left rack and the right rack, a display screen is arranged on the vertical plate, and the display screen is electrically connected with the pressure sensor.
Further, the circular plate side wall is fixedly connected with an annular toothed belt, the top of the base is rotationally connected with a driving rod, and the driving rod side wall is fixedly connected with a large gear.
Further, the large gear is connected with the annular toothed belt in a meshed mode, and the top of the driving rod is fixedly connected with a turning hand.
Further, the jack is offered to the gear wheel inner wall, a plurality of slots have been offered to the base roof, the jack is inserted jointly with one of them slot after aligning and is inserted the inserted bar.
The invention has the following advantages:
1. through setting up structures such as bull stick, gear and a plurality of rack, correspond different through-holes with digit control machine tool spindle unit, open first motor, the output of first motor drives bull stick and gear rotation, the gear then can drive the left rack of meshing connection and move one section distance downwards, right rack upward movement one section distance, the arc that makes to be equipped with on the baffle moves one section distance, and then arc and digit control machine tool spindle unit offset contact, and the arc will drive the slide through the push rod and slide one section distance, make the extrusion piece that sets up on the slide and pressure sensor offset extrusion, pressure sensor passes through the signal of telecommunication with real-time pressure and shows in the display screen, make things convenient for experimenter to carry out the record of data, and then accomplish the operation that provides load to digit control machine tool spindle unit along vertical direction;
2. when the detection of different positions of the spindle unit of the numerical control machine is needed, the output end of the first motor drives the screw rod to rotate, the vertical plate is connected to the upper part of the circular plate in a sliding mode, the inner wall of the vertical plate is provided with a threaded hole, the screw rod is in threaded connection with the threaded hole, then the vertical plate moves along the axial direction of the screw rod, the vertical plate drives the two arc plates to synchronously move through structures such as a left rack, a right rack and a baffle plate, and further the detection of different positions of the spindle unit of the numerical control machine can be achieved;
3. when the numerical control machine tool spindle units at different positions are required to be detected, the device is not required to be moved, the turning hand is rotated, the driving rod is driven by the turning hand to rotate, the driving rod drives the large gear to rotate, the large gear drives the circular plate to rotate by a certain angle through the meshed annular toothed belt, and the static stiffness detection of the numerical control machine tool spindle units at different positions is completed.
Drawings
FIG. 1 is a schematic diagram of a device for detecting the static stiffness of a complete machine of a numerical control machine tool;
FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;
FIG. 3 is a rear view of a device for detecting the static stiffness of the whole machine of the numerical control machine tool;
fig. 4 is a schematic structural diagram of the inside of a block connected with a rack in the complete machine static stiffness detection device of the numerical control machine.
In the figure: 1 base, 2 risers, 3 left slide rail, 4 left rack, 5 right slide rail, 6 right rack, 7 bull stick, 8 second motor, 9 gears, 10 baffle, 11 cavity, 12 slide, 13 springs, 14 push rods, 15 arc plates, 16 through holes, 17 pressure sensor, 18 extrusion piece, 19 display screen, 20 rectangular plate, 21 lead screw, 22 screw holes, 23 annular toothed belt, 24 actuating lever, 25 gear, 26 swivel hands, 27 jack, 28 slot, 29 inserted link, 30 first motor, 31 round plate, 32 pivot.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.
Referring to fig. 1-4, a device for detecting the static stiffness of a complete machine of a numerical control machine tool comprises a base 1, wherein a rotating shaft 32 is rotationally connected to the base 1, a circular plate 31 is fixedly connected to the top of the rotating shaft 32, a vertical plate 2 is slidably connected to the top of the circular plate 31, a left sliding rail 3 and a right sliding rail 5 are symmetrically and fixedly connected to the side wall of the vertical plate 2, a left rack 4 is slidably connected to the side wall of the left sliding rail 3, a right rack 6 is slidably connected to the side wall of the right sliding rail 5, a baffle 10 is fixedly connected to the side wall of the left rack 4 and the side wall of the right rack 6, a cavity 11 is formed in the inner wall of each baffle 10, a sliding plate 12 is slidably connected to the inner side wall of the cavity 11, a push rod 14 is fixedly connected to the side wall of the sliding plate 12, an arc 15 is fixedly connected to the other end of the push rod 14, which is far away from the push rod 14, an extrusion block 18 is fixedly connected to one end of the sliding plate 12, the inner wall of the cavity 11 is fixedly connected with a pressure sensor 17, the spindle unit of the numerical control machine tool penetrates through a through hole 16 positioned at the upper part of the vertical plate 2, the output end of the second motor 8 drives the rotary rod 7 to rotate clockwise, the rotary rod 7 drives the gear 9 to rotate, the gear 9 drives the left rack 4 in meshed connection to move downwards for a certain distance and drives the right rack 6 in meshed connection with the rotary rod to move upwards for a certain distance, at the moment, an arc 15 arranged on the right rack 6 cannot contact with the bottom of the spindle unit of the numerical control machine tool, the left rack 4 drives a baffle 10 (1) and an arc 15 (1) fixedly connected with the baffle to move downwards for a certain distance, the arc 15 (1) pushes against the upper part of the spindle unit of the numerical control machine tool, and drives the slide plate 12 (1) to slide upwards for a certain distance through the push rod 14 (1), the squeezing block 18 (1) fixedly connected with the upper part of the sliding plate 12 (1) is abutted against the pressure sensor 17 (1) and is squeezed, and the pressure sensor 17 (1) transmits real-time pressure to the display screen 19 for display through an electric signal.
The side wall of the vertical plate 2 is fixedly connected with a second motor 8, the second motor 8 is a positive and negative rotation motor, the output end of the second motor 8 is fixedly connected with a rotating rod 7, the side wall of the rotating rod 7 is fixedly connected with a gear 9, through holes 16 are symmetrically formed in the side wall of the vertical plate 2, and the diameter of the through holes 16 is larger than that of a main shaft unit of the numerical control machine tool.
The symmetrical fixedly connected with rectangular plate 20 in plectane 31 top, two rectangular plate 20 inner walls run through and rotate and are connected with screw 21, screw hole 22 has been seted up to riser 2 lateral wall, screw 21 threaded connection is inside screw hole 22, the output of first motor 30 drives screw 21 and rotates, because screw 21 and screw hole 22 threaded connection, and riser 2 sliding connection is at plectane 31 roof, riser 2 will move along the axial of screw 21 then, and then riser 2 will drive two arc 15 synchronous motion through structures such as left rack 4, right rack 6 and baffle 10, then when riser 2 moves along the axial of screw 21, because two arc 15 are located the upper and lower both sides of digit control machine tool spindle unit respectively, because two arc 15 can follow riser 2 synchronous motion, and then can detect the different positions of digit control machine tool spindle unit.
One of them rectangular plate 20 lateral wall fixedly connected with first motor 30, the output of first motor 30 and the one end fixed connection of lead screw 21, first motor 30 is positive and negative rotation motor.
The gear 9 is connected with the left rack 4 and the right rack 6 in a meshed mode, the display screen 19 is arranged on the vertical plate 2, the display screen 19 is electrically connected with the pressure sensor 17, and the pressure sensor 17 transmits real-time pressure to the display screen 19 through an electric signal for display, so that data recording by experimenters is facilitated.
The side wall of the circular plate 31 is fixedly connected with an annular toothed belt 23, the top of the base 1 is rotatably connected with a driving rod 24, and the side wall of the driving rod 24 is fixedly connected with a large gear 25.
The gear wheel 25 is connected with the annular toothed belt 23 in a meshed mode, the rotating hand 26 is fixedly connected to the top of the driving rod 24, the rotating hand 26 rotates, the driving rod 24 is driven by the rotating hand 26 to rotate, the gear wheel 25 is driven by the driving rod 24 to rotate, the circular plate 31 is driven by the gear wheel 25 to rotate by a certain angle through the annular toothed belt 23 in the meshed connection mode, the vertical plate 2 is driven by the circular plate 31 to rotate by a certain angle, and then the spindle units of numerical control machine tools at different positions can be detected.
The jack 27 has been seted up to gear wheel 25 inner wall, and a plurality of slots 28 have been seted up to base 1 roof, and jack 27 and one of them slot 28 are aligned the back and insert the pole 29 jointly, and a plurality of slots 28 are circular structure at the setting orbit of base 1 roof.
When the static stiffness of the numerical control machine tool spindle unit is required to be detected, the numerical control machine tool spindle unit is penetrated through the through hole 16 at the upper part of the vertical plate 2, the second motor 8 is opened, the second motor 8 is a positive and negative rotation motor, the output end of the second motor 8 drives the rotating rod 7 to rotate clockwise, the rotating rod 7 drives the gear 9 to rotate, the gear 9 drives the meshed left rack 4 to move downwards for a certain distance, the left rack 4 drives the baffle 10 (1) fixedly connected with the baffle 10 to move downwards for a certain distance, the baffle 10 (1) drives the arc 15 (1) at the upper part to move downwards for a certain distance, the arc 15 (1) is abutted against the upper part of the numerical control machine tool spindle unit, and a certain extrusion force is applied, in the process, the arc 15 (1) drives the sliding plate 12 (1) to slide upwards for a certain distance through the push rod 14 (1), the extrusion block 18 (1) fixedly connected with the upper part of the sliding plate 12 (1) is abutted against the pressure sensor 17 (1), the electric signal is extruded, and the pressure sensor 17 (1) is extruded, and the pressure signal is conveniently recorded by the display screen, and the data of the experiment personnel are displayed in real time.
After the operation is finished, the second motor 8 reversely rotates, the numerical control machine tool spindle unit penetrates through the through hole 16 at the lower part of the vertical plate 2, the output end of the second motor 8 drives the rotary rod 7 to rotate clockwise, the rotary rod 7 drives the gear 9 to rotate, the gear 9 drives the right rack 6 which is in meshed connection to move downwards for a distance, the right rack 6 drives the baffle 10 (2) fixedly connected with the right rack to move upwards for a distance, the baffle 10 (2) drives the arc 15 (2) located below to move upwards for a distance, the arc 15 (2) is abutted against the bottom of the numerical control machine tool spindle unit, a certain extrusion force is applied, in the process, the arc 15 (2) drives the slide 12 (2) to slide downwards for a distance through the push rod 14 (2), the extrusion block 18 (2) fixedly connected with the slide 12 (2) is extruded with the pressure sensor 17 (2), the pressure sensor 17 (2) transfers real-time pressure to the display screen 19 through an electric signal to display, and recording of data is convenient for experiment personnel to complete the recording of the number of the spindle unit, and the machine tool spindle unit is operated in the vertical direction.
When the different positions of the spindle unit of the numerical control machine tool need to be detected, a user starts the first motor 30, the first motor 30 is a forward and reverse rotating motor, the output end of the first motor 30 drives the screw rod 21 to rotate, the threaded hole 22 is formed in the upper portion of the circular plate 31 due to the sliding connection of the vertical plate 2, the screw rod 21 is in threaded connection with the threaded hole 22, then the vertical plate 2 moves along the axial direction of the screw rod 21, and then the vertical plate 2 drives the two arc plates 15 to synchronously move through the structures of the left rack 4, the right rack 6, the baffle 10 and the like, so that the different positions of the spindle unit of the numerical control machine tool can be detected.
When the numerical control machine main shaft units at different positions need to be detected, the device is not required to be moved at the moment, the inserting rod 29 is pulled upwards, the inserting rod 29 is separated from the inserting hole 27 and the corresponding inserting groove 28, the inserting rod 27 does not limit the large gear 25 any more, the rotating hand 26 is rotated, the driving rod 24 is driven by the rotating hand 26 to rotate, the large gear 25 is driven by the driving rod 24 to rotate, the large gear 25 drives the circular plate 31 to rotate by a certain angle through the annular toothed belt 23 which is meshed and connected, the vertical plate 2 is driven by the circular plate 31 to rotate by a certain angle, then the inserting rod 29 is inserted into the inserting hole 27 and one of the inserting grooves 28, the limiting of the large gear 25 is completed, and the static rigidity detection of the numerical control machine main shaft units at different positions is completed.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a numerical control machine tool complete machine static stiffness detection device, includes base (1), its characterized in that, base (1) is rotated and is connected with pivot (32), pivot (32) top fixedly connected with plectane (31), plectane (31) top sliding connection has riser (2), the lateral wall symmetry fixedly connected with left slide rail (3) and right slide rail (5) of riser (2), left slide rail (3) lateral wall sliding connection has left rack (4), right slide rail (5) lateral wall sliding connection has right rack (6), left side rack (4) and right rack (6) lateral wall all fixedly connected with baffle (10), every baffle (10) inner wall has all seted up cavity (11), cavity (11) inside sliding connection has slide (12), slide (12) lateral wall symmetry fixedly connected with spring (13), the other end and cavity (11) inner wall fixedly connected with push rod (14) of spring (13), the other end fixedly connected with push rod (14) behind cavity (11) inner wall fixedly connected with baffle (12), slide (18) one end fixedly connected with push rod (18), the inner wall of the cavity (11) is fixedly connected with a pressure sensor (17).
2. The device for detecting the static stiffness of the whole numerical control machine tool according to claim 1, wherein the side wall of the vertical plate (2) is fixedly connected with a second motor (8), the output end of the second motor (8) is fixedly connected with a rotating rod (7), the side wall of the rotating rod (7) is fixedly connected with a gear (9), and through holes (16) are symmetrically formed in the side wall of the vertical plate (2).
3. The device for detecting the static stiffness of the complete machine tool of the numerical control machine tool according to claim 2, wherein rectangular plates (20) are symmetrically and fixedly connected to the tops of the circular plates (31), screw rods (21) are rotatably connected to the inner walls of the rectangular plates (20) in a penetrating mode, threaded holes (22) are formed in the side walls of the vertical plates (2), and the screw rods (21) are in threaded connection with the inside of the threaded holes (22).
4. The device for detecting the static stiffness of the whole numerical control machine tool according to claim 3, wherein one side wall of the rectangular plate (20) is fixedly connected with a first motor (30), and the output end of the first motor (30) is fixedly connected with one end of a screw rod (21).
5. The device for detecting the complete machine static stiffness of the numerical control machine tool according to claim 2 is characterized in that the gear (9) is in meshed connection with the left rack (4) and the right rack (6), a display screen (19) is mounted on the vertical plate (2), and the display screen (19) is electrically connected with the pressure sensor (17).
6. The device for detecting the static stiffness of the whole numerical control machine tool according to claim 4, wherein the side wall of the circular plate (31) is fixedly connected with an annular toothed belt (23), the top of the base (1) is rotatably connected with a driving rod (24), and the side wall of the driving rod (24) is fixedly connected with a large gear (25).
7. The device for detecting the complete machine static stiffness of the numerical control machine tool according to claim 6, wherein the large gear (25) is in meshed connection with the annular toothed belt (23), and a turning hand (26) is fixedly connected to the top of the driving rod (24).
8. The device for detecting the static stiffness of the complete machine tool according to claim 7, wherein the inner wall of the large gear (25) is provided with a jack (27), the top wall of the base (1) is provided with a plurality of slots (28), and the jack (27) and one of the slots (28) are aligned and then are jointly inserted with an inserting rod (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310153932.9A CN116296322A (en) | 2023-02-23 | 2023-02-23 | Complete machine static stiffness detection device of numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310153932.9A CN116296322A (en) | 2023-02-23 | 2023-02-23 | Complete machine static stiffness detection device of numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116296322A true CN116296322A (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310153932.9A Pending CN116296322A (en) | 2023-02-23 | 2023-02-23 | Complete machine static stiffness detection device of numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116296322A (en) |
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2023
- 2023-02-23 CN CN202310153932.9A patent/CN116296322A/en active Pending
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