CN110542575A - test bed for simulating reliability of power servo tool rest of numerical control machine tool under real working condition - Google Patents
test bed for simulating reliability of power servo tool rest of numerical control machine tool under real working condition Download PDFInfo
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- CN110542575A CN110542575A CN201910883792.4A CN201910883792A CN110542575A CN 110542575 A CN110542575 A CN 110542575A CN 201910883792 A CN201910883792 A CN 201910883792A CN 110542575 A CN110542575 A CN 110542575A
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- cutting force
- power servo
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- 239000002173 cutting fluid Substances 0.000 claims abstract description 47
- 238000011084 recovery Methods 0.000 claims abstract description 37
- 238000005507 spraying Methods 0.000 claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000000110 cooling liquid Substances 0.000 claims description 8
- 239000012809 cooling fluid Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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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
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/007—Subject matter not provided for in other groups of this subclass by applying a load, e.g. for resistance or wear testing
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- General Physics & Mathematics (AREA)
- Machine Tool Units (AREA)
Abstract
The invention belongs to the technical field of mechanical test equipment, and relates to a test bed for simulating the reliability of a power servo tool rest of a numerical control machine tool under a real working condition, which mainly comprises a power servo tool rest supporting part, a cutting force loading part, a torque loading part, a cutting fluid spraying protection device and a cutting fluid recovery device; the cutting fluid spraying protection and cutting fluid recovery device is positioned at the upper part of the support part of the power servo tool rest; the cutting force loading part is positioned on one side of the power servo tool rest supporting part, and a loading rod in the cutting force loading part is right opposite to the power servo tool rest; the torque loading part is arranged right opposite to the power servo tool rest; the servo power tool rest is suitable for servo power tool rests with different center heights. The function of replacing the servo power tool rest without replacing a base plate can be realized; a cutting fluid spraying and cutting fluid recovery system is implemented, so that the test bed is closer to the real working condition; the lead screw guide rail is adopted for moving, and the hand wheel is shaken to realize XYZ three-direction movement; and a hand wheel and a fine adjustment nut are adopted, so that the angle adjustment is more accurate.
Description
Technical Field
the invention belongs to the technical field of mechanical test equipment, relates to a test bed for simulating the reliability of a power servo tool rest of a numerical control machine tool under a real working condition, and particularly relates to a power servo tool rest reliability test bed which can realize dynamic and static cutting force, angle and three-way position adjustment of a loading mechanism, cutting torque loading, height adjustment of a torque loading mechanism, cutting fluid spraying and protection devices for the power servo tool rest of the numerical control machine tool and is loaded by a dynamometer and hydraulic pressure in a mixed manner and provided with a spraying device.
Background
in recent years, with the rapid development of equipment manufacturing industry, China has become a big country for the production and application of numerical control machines, and the numerical control machines researched and developed in China at present make obvious progress in the aspects of precision, speed, large-scale and multi-axis linkage. However, with the increase of functions, the hidden trouble of failures is increased, advanced functions and performance indexes cannot be maintained, and the reliability problem is serious, which has become a focus of attention of enterprises, users and sales markets and a bottleneck of development of the numerical control machine industry. One of the main reasons for the low reliability level of the domestic numerical control machine tool is that the reliability level of the key functional parts of the domestic numerical control machine tool is low, so that the research and development of the reliability test device and the test technology of the key functional parts of the numerical control machine tool have important practical significance. The power servo tool rest is one of key functional components of a high-end numerically controlled lathe, and the reliability level of the power servo tool rest has important influence on the reliability level of the whole machine.
The reliability test research of key functional parts of numerical control machine tools in China starts late, and only some reliability test devices with simple functions are available at present. For example, some test beds can perform idle running tests and unbalance tests on power servo tool rests, or perform loading tests on simulated static and dynamic cutting forces by using hydraulic cylinders or air cylinders, but the test beds are not combined with actual spray cutting liquid, are greatly different from actual working conditions, are heavy in mechanism, are troublesome to adjust and are inaccurate in adjusting positions.
Disclosure of Invention
the invention aims to solve the technical problems that cutting fluid cannot be applied to simulate the real working condition, the angle of a loading mechanism and the XYZ three-direction adjustment are inconvenient, a power servo tool rest base plate must be replaced when a power servo tool rest is installed and the like in the prior art, and provides a test bed for simulating the reliability of the power servo tool rest of a numerical control machine tool under the real working condition.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme, which is described by combining the accompanying drawings as follows:
A test bed for simulating the reliability of a power servo tool rest of a numerical control machine tool under real working conditions mainly comprises a power servo tool rest supporting part, a cutting force loading part, a torque loading part, a cutting fluid spraying protection device and a cutting fluid recovery device;
the cutting fluid spraying protection and cutting fluid recovery device is positioned at the upper part of the support part of the power servo tool rest;
the cutting force loading part is positioned at one side of the power servo tool rest supporting part, and a loading rod 8 in the cutting force loading part is opposite to the power servo tool rest 4;
the output end of the dynamometer 38 in the torque loading part is connected with the power head of the power servo tool rest 4.
The cutting force loading part in the technical scheme comprises a loading rod 8, a force sensor 9, a hydraulic cylinder 10, a loading rod XZ angle adjusting device 11, a speed reducer 12, an adjusting hand wheel A13, a bearing A14, an adjusting hand wheel B15, a cutting force loading device X-direction adjusting lead screw 16, a cutting force loading device upper plate 17, a locking device 18, a slide rail groove 19, a cutting force loading device X-direction slide rail 20, a cutting force loading device Y-direction adjusting lead screw 21, a cutting force loading device Y-direction slide rail 22, a bearing B23, an adjusting hand wheel C24, a cutting force loading device Z-direction guide rail 25, a cutting force loading device middle plate 26, a cutting force loading device lower plate 27, a cutting force loading device Z-direction guide rail 28, an adjusting hand wheel D29, a cutting force loading device Z-direction adjusting lead screw 30 and a fine adjusting nut 43;
the cutting force loading part is positioned on one side of the lower part of the upper top surface of 45 degrees of a power servo tool rest supporting base 2 in the power servo tool rest supporting part, a loading rod 8 is right opposite to a power servo tool rest 4, the inner side of the loading rod 8 is connected with a hydraulic cylinder 10 through threads, a force sensor 9 is fixed on the upper side of the hydraulic cylinder 10, the lower side of the hydraulic cylinder 10 is fixed on a loading rod XZ angle adjusting device 11, an adjusting hand wheel A13 is coaxially connected with a speed reducer 12, a shaft output by the speed reducer 12 is connected with the loading rod XZ angle adjusting device 11, the loading rod XZ angle adjusting device 11 is fixed on the upper side of an upper plate 17 of the cutting force loading device, a fine adjusting nut 43 is fixed on the upper end of the upper plate 17 of the cutting force loading device, one side of a gear 43 of the fine adjusting nut is connected with one side of a gear at the bottom end of the loading rod XZ angle adjusting device 11, two Y-direction sliding rails 22 of the cutting force loading device are fixed on the upper portion of a middle plate 26 of the cutting force loading device, two bearings B23 are fixed on two sides of the top of the middle plate 26 of the cutting force loading device, the middle of the middle plate is connected with a Y-direction adjusting screw 21 of the cutting force loading device, one side of the screw 21 is connected with an adjusting hand wheel C24, and an upper plate 17 of the cutting force loading device is connected with the Y-direction sliding rails 22 of the cutting force loading device on the middle plate 26 of the cutting force loading; the lower side of the middle plate 26 of the cutting force loading device is connected with a slide rail groove, locking devices are also arranged on two sides of the slide rail groove, two X-direction slide rails 20 of the cutting force loading device are fixed on a lower plate 27 of the cutting force loading device, a bearing B23 is fixed on two sides of the lower plate 27 of the cutting force loading device, the middle of the lower plate is connected with an X-direction adjusting screw 16 of the cutting force loading device, one side of the screw 16 is connected with an adjusting hand wheel B15, and the middle plate 26 of the cutting force loading device is connected with the X-direction slide rails 20 of the cutting force loading device on; four corners of a lower plate 27 of the cutting force loading device penetrate through Z-direction guide rails 28 of the cutting force loading device, and the guide rails 28 are locked by bolts; the other side of the cutting force loading device is connected with a Z-direction adjusting lead screw 30 through a threaded hole, and one side of the lead screw is connected with an adjusting hand wheel D29 through a shaft; four cutting force loading devices Z-direction guide rails 28 and a cutting force loading device Z-direction adjusting screw rod 30 are fixed on the ground flat iron 1.
In the technical scheme, the torque loading part comprises a Z-direction guide rail 31 of a torque loading device, a lower bottom plate 32 of the torque loading device, a middle plate 33 of the torque loading device, an upper plate 34 of the torque loading device, an X-direction slide rail 35 of the torque loading device, an adjusting hand wheel E36, an adjusting hand wheel F37, a dynamometer 38, a Y-direction slide rail 39 of the torque loading device, a bearing C40, an adjusting hand wheel G41, an X-direction lead screw 44 of the torque loading device, a Y-direction lead screw 45 of the torque loading device and a bearing D46;
four Z-direction guide rails 31 of the torque loading devices are fixed on the ground flat iron 1, four corners of a lower bottom plate 32 of the torque loading devices penetrate through the guide rails 31 and are locked by bolts, bearings C40 are fixed on two sides of the lower bottom plate 32 of the torque loading devices, the middle of the lower bottom plate is connected with a Y-direction lead screw 45 of the torque loading devices, one side of the lead screw 45 is connected with an adjusting hand wheel G41, one side of the lower bottom plate 32 of the torque loading devices is connected with an adjusting hand wheel E36, and two Y-direction guide rails 39 of the torque loading devices are; the lower side of the middle plate 33 of the torque loading device is connected with a slide rail groove, two X-direction slide rails 35 of the torque loading device are fixed on the upper part of the middle plate 33 of the torque loading device, two bearings D46 are fixed on two sides of the top of the middle plate 33 of the torque loading device, the middle part of the middle plate is connected with an X-direction lead screw 44 of the torque loading device, one side of the lead screw 44 is connected with an adjusting hand wheel F37, and the middle plate 33 of the torque loading device is connected with the X-direction slide rails 35 of the torque; the lower part of the torque loading device upper plate 34 is connected with a slide rail groove, the upper part is connected with a dynamometer 38, and the torque loading device upper plate 34 is connected with a torque loading device X-direction slide rail 35 on the torque loading device middle plate 33 through the slide rail groove at the lower part.
the cutting fluid spraying protection and cutting fluid recovery device in the technical scheme comprises a protective cover 6, a cutting fluid spraying head 7, a cooling fluid recovery tank 3 and a cutting fluid recovery channel 42;
The protective cover 6 is formed by two iron plates and covers the upper part of the power servo tool rest 4, a cutting liquid through hole penetrates through one position of the protective cover 6, one end of the hole is connected with the cutting liquid spray header 7, the cutting liquid spray header 7 can adjust the angle to realize spraying at different angles, the cooling liquid recovery tank 3 is fixed on the supporting part of the power servo tool rest, and the outlet of the cooling liquid recovery tank 3 is connected with the cutting liquid recovery channel 42.
in the technical scheme, the power servo tool rest supporting part comprises a power servo tool rest supporting base 2 and a power servo tool rest base plate 5;
The utility model discloses a cutting fluid recovery device, including power servo tool rest support base 2, power servo tool rest backing plate 5, power servo tool rest support base 2, hole threaded connection in cutting fluid shower head 7 and the protection casing 6, cutting fluid recovery tank 42 and the cutting fluid recovery tank 3 welding that is close to cutting force loading part, the lower extreme passes through the bolt fastening on the ground flat iron 1, cutting fluid recovery tank 3 connects on the side of supporting base 2 with the power servo tool rest of power servo tool rest 4 blade disc homonymy, power servo tool rest backing plate 5 is fixed in on the last top surface that becomes 45 degrees angles with the horizontal plane of power servo tool rest support base 2, power servo tool rest backing plate 5 is being fixed with power servo tool rest 4 on the last inclined plane of power servo tool rest support base 2.
Compared with the prior art, the invention has the beneficial effects that:
1. The test bed servo power tool rest supporting part for simulating the reliability of the numerical control machine tool power servo tool rest under the real working condition adopts grooves with different distances to fix the servo power tool rest, and is suitable for the servo power tool rests with different center heights. The servo power tool rest can be replaced without replacing the base plate.
2. The test bed for simulating the reliability of the power servo tool rest of the numerical control machine tool under the real working condition firstly implements a cutting fluid spraying and cutting fluid recovery system on the reliability test bed of the servo power tool rest, so that the test bed is closer to the real working condition.
3. The XYZ three-way movement of the test bed cutting force loading mechanism and the torque loading mechanism for simulating the reliability of the power servo tool rest of the numerical control machine tool under the real working condition adopts lead screw guide rail movement, and the XYZ three-way movement can be realized by shaking a hand wheel.
4. The test bed cutting force loading mechanism XY plane angle adjustment for simulating the reliability of the numerical control machine tool power servo tool rest under the real working condition adopts the hand wheel and the fine adjustment nut, so that the angle adjustment is more accurate.
Drawings
The invention is further described with reference to the accompanying drawings in which:
FIG. 1 is an axial projection diagram of cutting resultant force, torque loading and spraying protection of a test bed for simulating the reliability of a power servo tool rest of a numerical control machine tool under real working conditions, which is disclosed by the invention;
FIG. 2 is an axonometric projection diagram of the test bed tool rest mounting device and the spray protection and cooling liquid recovery device for simulating the reliability of the power servo tool rest of the numerical control machine tool under real working conditions, according to the invention;
FIG. 3 is an axonometric view of the test bed loading device for simulating the reliability of the power servo tool rest of the numerical control machine tool under real working conditions according to the invention;
FIG. 4 is an axial projection diagram of a test bed dynamometer mounting and XYZ-direction adjusting device for simulating the reliability of a power servo tool rest of a numerical control machine tool under real working conditions, according to the present invention;
In the figure:
1. The device comprises a ground plain iron, 2, a power servo tool rest supporting base, 3, a cutting fluid recovery tank, 4, a power servo tool rest, 5, a power servo tool rest backing plate, 6, a protective cover, 7, a cutting fluid spray header, 8, a loading rod, 9, a force sensor, 10, a hydraulic cylinder, 11, a loading rod XZ angle adjusting device, 12, a speed reducer, 13, an adjusting hand wheel A, 14, a bearing A, 15, an adjusting hand wheel B, 16, a cutting force loading device X-direction adjusting screw rod, 17, a cutting force loading device upper plate, 18, a locking device, 19, a slide rail groove, 20, a cutting force loading device X-direction slide rail, 21, a cutting force loading device Y-direction adjusting screw rod, 22, a cutting force loading device Y-direction slide rail, 23, a bearing B, 24, an adjusting hand wheel C, 25, a cutting force loading device Z-direction guide rail, 26, a cutting force loading device middle plate, 27, a cutting force loading device lower plate, 28. the cutting force loading device comprises a cutting force loading device Z-direction guide rail, 29, adjusting hand wheels D, 30, a cutting force loading device Z-direction adjusting lead screw, 31, a torque loading device Z-direction guide rail, 32, a torque loading device lower base plate, 33, a torque loading device middle plate, 34, a torque loading device upper plate, 35, a torque loading device X-direction guide rail, 36, adjusting hand wheels E, 37, adjusting hand wheels F, 38, a dynamometer, 39, a torque loading device Y-direction guide rail, 40, bearings C, 41, adjusting hand wheels G, 42, a cutting fluid recovery channel, 43, a fine adjusting nut, 44, a torque loading device X-direction lead screw, 45, a torque loading device Y-direction lead screw, 46 and a bearing D.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
referring to fig. 1, the test bed for simulating the reliability of the power servo tool rest of the numerical control machine tool under the real working condition consists of a power servo tool rest supporting part, a cutting force loading part, a torque loading part and a cutting fluid spraying protection and cutting fluid recovery device
a power servo tool rest supporting part
Referring to fig. 1 and 2, the power servo tool post support portion includes a power servo tool post support base 2, a power servo tool post backing plate 5, and a power servo tool post 4.
The power servo tool rest base 2 is a hollow box type structural member and is formed by welding seven flat steel plates, in order to save the weight of a box body, the middle part of a plate is removed, a reinforcing plate is arranged in the middle, the top end face and the horizontal plane form an angle of 45 degrees, thread through holes used for installing a power servo tool rest base plate 5 are arranged at four corners of a top plate, and U-shaped openings are formed in four corners of a bottom plate and used for penetrating T-shaped bolts to fix the power servo tool rest base 2 on a ground flat iron 1.
the power servo tool rest base plate 5 is a plate type structural member, the power servo tool rest base plate 5 is provided with through holes for installing bolts, six through holes can be fixed with the power servo tool rest base 2, and the power servo tool rest base plate 5 is provided with eight grooves with different distances and can adapt to tested power servo tool rests 4 with different center heights.
Cutting force loading part
Referring to fig. 1 and 3, the cutting force loading part includes a cutting force loading rod 8, a force sensor 9, a hydraulic cylinder 10, a loading rod XZ angle adjusting device 11, a speed reducer 12, an adjusting hand wheel a13, a bearing a14, an adjusting hand wheel B15, a cutting force loading device X-direction adjusting lead screw 16, a cutting force loading device upper plate 17, a locking device 18, a slide rail groove 19, a cutting force loading device X-direction slide rail 20, a cutting force loading device Y-direction adjusting lead screw 21, a cutting force loading device Y-direction slide rail 22, a bearing B23, an adjusting hand wheel C24, a cutting force loading device Z-direction guide rail 25, a cutting force loading device middle plate 26, a cutting force loading device lower plate 27, a cutting force loading device Z-direction guide rail 28, an adjusting hand wheel D29, a cutting force loading device Z-direction adjusting lead screw 30, and a fine adjusting nut 43.
The loading rod 8 is a cylindrical iron rod, wherein one end of the loading rod, which is contacted with the cutter rest, is a concave surface and can be matched with the spherical surface of the cutter rest simulation cutter bar.
The hydraulic cylinder 10 is a single-piston type hydraulic cylinder, the upper end face of the hydraulic cylinder 10 is fixedly connected with an upper end cover through four studs, the upper part of the hydraulic cylinder 10 is provided with a force sensor 9, and a loading rod 8 can be arranged to apply cutting force to the power servo tool rest 4.
The XZ angle adjusting device 11 of the loading rod is composed of a bottom plate and original plates with long holes at two ends, bolts in the long holes are loosened, an adjusting hand wheel A13 is rotated, the hand wheel drives the speed reducer 12 to adjust the angle on the XZ plane, and a fine adjusting nut 43 is connected to the device to adjust the angle on the XY plane. The lower part of the loading rod XZ angle adjusting device 11 is connected with four slide rail grooves 19 through bolts, and one side of each slide rail groove 19 is provided with a locking device 18.
The cutting force loading device middle plate 26 is composed of a square plate, a threaded hole is formed in the square plate, two Y-direction sliding rails 22 of the cutting force loading device and a bearing B23 are fixed on the square plate, the sliding rails are connected with sliding rail grooves 19 on the loading rod XZ angle adjusting device 11, a Y-direction adjusting screw 21 of the cutting force loading device is installed on the bearing, one end of the screw is connected with an adjusting hand wheel C24, the cutting force loading device Y-direction movement is achieved by shaking the adjusting hand wheel C24, and the Y-direction locking can be achieved through a locking device 18. The lower end of the cutting force loading device middle plate 26 is connected with a slide rail and is provided with a locking device.
the lower plate 27 of the cutting force loading means is formed of a square plate, and through holes are formed at four corners to be connected to the Z-guide rail 25 of the cutting force loading means. The square plate is provided with a threaded hole, two cutting force loading devices, namely an X-direction sliding rail 20 and a bearing A14, are fixed, the sliding rail is connected with a sliding rail groove on a middle plate 26 of the cutting force loading device, a cutting force loading device, namely an X-direction adjusting screw rod 16, is arranged on the bearing, one end of the screw rod is connected with an adjusting hand wheel B15, the cutting force loading device is moved in the X direction by shaking the adjusting hand wheel B15, and the X direction can be locked through a locking device. Two ends of the cutting force loading device lower plate 27 are connected with a cutting force loading device Z-direction guide rail 28, the lead screw guide rail is connected with a cutting force loading device Z-direction adjusting lead screw 30, and the loading mechanism moves in the Z direction by shaking a hand wheel.
torque loading part
Referring to fig. 1 and 4, the torque loading portion includes a Z-direction guide rail 31 of the torque loading device, a lower bottom plate 32 of the torque loading device, a middle plate 33 of the torque loading device, an upper plate 34 of the torque loading device, an X-direction slide rail 35 of the torque loading device, an adjusting hand wheel E36, an adjusting hand wheel F37, a dynamometer 38, a Y-direction slide rail 39 of the torque loading device, a bearing C40, an adjusting hand wheel G41, an X-direction lead screw 44 of the torque loading device, a Y-direction lead screw 45 of the torque loading device, and a bearing D46.
Referring to fig. 4, the lower bottom plate 32 of the torque loading device is a square plate, through holes are formed in four corners of the square plate and connected with the Z-direction guide rail 31 of the torque loading device, threaded holes are formed in the square plate, two Y-direction slide rails 39 of the torque loading device and a bearing C40 are fixed on the square plate, the slide rails are connected with slide rail grooves in the middle plate 33 of the torque loading device, a Y-direction lead screw 45 of the torque loading device is mounted on the bearing, one end of the lead screw is connected with an adjusting hand wheel G41, the movement of the Y-direction of the torque loading device is realized by shaking the adjusting hand wheel G41, and the Y-.
the middle plate 33 of the torque loading device is a square plate with a threaded hole, the lower part of the middle plate is connected with a slide rail groove, two X-direction slide rails 35 and a bearing D46 of the torque loading device are fixed on the middle plate, the slide rails are connected with the slide rail grooves on the upper plate 34 of the torque loading device, a X-direction lead screw 44 of the torque loading device is arranged on the bearing, one end of the lead screw is connected with an adjusting hand wheel F37, the X-direction movement of the torque loading device is realized by shaking the adjusting hand wheel F37, and the X-direction can be locked by a locking device.
The torque loading device upper plate 34 is a square plate with a threaded hole, the upper part is fixed with a dynamometer 38, and the lower part is connected with a slide rail groove.
The power output head of the dynamometer 38 is connected with the power head of the power servo tool rest 4.
Cutting fluid spraying protection and cutting fluid recovery device
referring to fig. 1 and 2, the cutting fluid spraying protection and cutting fluid recovery device includes a protective cover 6, a cutting fluid spray head 7, a cooling fluid recovery tank 3, and a cutting fluid recovery channel 42.
the protective cover 6 is formed by two iron plates, covers the upper part of the power servo tool rest 4, is provided with a cutting liquid through hole, one end of the hole is connected with a cutting liquid spray head 7, the cutting liquid spray head 7 can adjust the angle to realize the spraying at different angles, a cooling liquid recovery tank 3 is fixed on the power servo tool rest base 2, and the outlet of the cooling liquid recovery tank is connected with a cutting liquid recovery channel 42 to recover the cooling liquid.
Claims (5)
1. the utility model provides a test bench of servo knife rest reliability of digit control machine tool power under simulation true operating mode which characterized in that:
the cutting fluid spraying protection device mainly comprises a power servo tool rest supporting part, a cutting force loading part, a torque loading part, a cutting fluid spraying protection device and a cutting fluid recovery device;
The cutting fluid spraying protection and cutting fluid recovery device is positioned at the upper part of the support part of the power servo tool rest;
The cutting force loading part is positioned at one side of the power servo tool rest supporting part, and a loading rod (8) in the cutting force loading part is right opposite to the power servo tool rest (4) in the power servo tool rest supporting part;
the output end of a dynamometer (38) in the torque loading part is connected with a power head of a power servo tool rest (4).
2. The test bed for simulating the reliability of the power servo tool rest of the numerical control machine tool under the real working condition according to claim 1, characterized in that:
The cutting force loading part comprises a loading rod (8), a force sensor (9), a hydraulic cylinder (10), a loading rod XZ angle adjusting device (11), a speed reducer (12), an adjusting hand wheel A (13), a bearing A (14), an adjusting hand wheel B (15), a cutting force loading device X-direction adjusting screw rod (16), a cutting force loading device upper plate (17), a locking device (18) and a slide rail groove (19), the device comprises a cutting force loading device X-direction slide rail (20), a cutting force loading device Y-direction adjusting lead screw (21), a cutting force loading device Y-direction slide rail (22), a bearing B (23), an adjusting hand wheel C (24), a cutting force loading device Z-direction guide rail (25), a cutting force loading device middle plate (26), a cutting force loading device lower plate (27), a cutting force loading device Z-direction guide rail (28), an adjusting hand wheel D (29), a cutting force loading device Z-direction adjusting lead screw (30) and a fine adjusting nut (43);
the cutting force loading part is positioned on one side of the lower part of the 45-degree upper top surface of a power servo tool rest supporting base (2) in the power servo tool rest supporting part, a loading rod (8) is right opposite to a power servo tool rest (4), the inner side of the loading rod (8) is connected with a hydraulic cylinder (10) through threads, a force sensor (9) is fixed on the upper side of the hydraulic cylinder (10), the lower side of the hydraulic cylinder (10) is fixed on a loading rod XZ angle adjusting device (11), an adjusting hand wheel A (13) is coaxially connected with a speed reducer (12), a shaft output by the speed reducer (12) is connected with the loading rod XZ angle adjusting device (11), the loading rod XZ angle adjusting device (11) is fixed on the upper side of a cutting force loading device upper plate (17), a fine adjusting nut (43) is fixed on the upper end of the cutting force loading device upper plate (17), and one side of a gear of the fine adjusting nut (43) is connected with one side of a, the cutting force loading device comprises a cutting force loading device middle plate (26), a sliding rail groove (19), two locking devices (18), two cutting force loading device Y-direction sliding rails (22), two bearings B (23), two adjusting lead screws (21), an adjusting hand wheel C (24), a cutting force loading device upper plate (17), two locking devices (18), two bearings B (23), two locking devices, a locking device locking; the lower side of a middle plate (26) of the cutting force loading device is connected with a slide rail groove, locking devices are also arranged on two sides of the slide rail groove, two X-direction slide rails (20) of the cutting force loading device are fixed on a lower plate (27) of the cutting force loading device, a bearing B (23) is fixed on two sides of the lower plate (27) of the cutting force loading device, the middle of the middle plate is connected with an X-direction adjusting lead screw (16) of the cutting force loading device, one side of the lead screw (16) is connected with an adjusting hand wheel B (15), and the middle plate (26) of the cutting force loading device is connected with the X-direction slide rails (20) of the cutting force loading device; four corners of a lower plate (27) of the cutting force loading device penetrate through Z-direction guide rails (28) of the cutting force loading device, and the guide rails (28) are locked by bolts; the other side of the cutting force loading device is connected with a Z-direction adjusting lead screw (30) through a threaded hole, and one side of the lead screw is connected with an adjusting hand wheel D (29) through a shaft; four cutting force loading devices Z-direction guide rails (28) and a cutting force loading device Z-direction adjusting screw rod (30) are fixed on the ground flat iron (1).
3. the test bed for simulating the reliability of the power servo tool rest of the numerical control machine tool under the real working condition according to claim 1, characterized in that:
the torque loading part comprises a Z-direction guide rail (31) of a torque loading device, a lower bottom plate (32) of the torque loading device, a middle plate (33) of the torque loading device, an upper plate (34) of the torque loading device, an X-direction slide rail (35) of the torque loading device, an adjusting hand wheel E (36), an adjusting hand wheel F (37), a dynamometer (38), a Y-direction slide rail (39) of the torque loading device, a bearing C (40), an adjusting hand wheel G (41), an X-direction lead screw (44) of the torque loading device, a Y-direction lead screw (45) of the torque loading device and a bearing D (46);
Four Z-direction guide rails (31) of a torque loading device are fixed on a ground flat iron (1), four corners of a lower base plate (32) of the torque loading device penetrate through the guide rails (31) and are locked by bolts, bearings C (40) are fixed on two sides of the lower base plate (32) of the torque loading device, a Y-direction lead screw (45) of the torque loading device is connected in the middle of the lower base plate, one side of the lead screw (45) is connected with an adjusting hand wheel G (41), one side of the lower base plate (32) of the torque loading device is connected with an adjusting hand wheel E (36), and two Y-direction guide rails (39) of the torque loading device are fixed; the lower side of a middle plate (33) of the torque loading device is connected with a slide rail groove, two X-direction slide rails (35) of the torque loading device are fixed on the upper part of the middle plate (33) of the torque loading device, two bearings D (46) are fixed on two sides of the top of the middle plate (33) of the torque loading device, the middle of the middle plate is connected with an X-direction lead screw (44) of the torque loading device, one side of the lead screw (44) is connected with an adjusting hand wheel F (37), and the middle plate (33) of the torque loading device is connected with the X-direction slide rails (35) of the; the lower part of the upper plate (34) of the torque loading device is connected with a slide rail groove, the upper part of the upper plate (34) of the torque loading device is connected with a dynamometer (38), and the upper plate (34) of the torque loading device is connected with an X-direction slide rail (35) of the torque loading device on the middle plate (33) of the torque loading device through the slide rail groove at the lower part.
4. The test bed for simulating the reliability of the power servo tool rest of the numerical control machine tool under the real working condition according to claim 1, characterized in that:
The cutting fluid spraying protection and cutting fluid recovery device comprises a protective cover (6), a cutting fluid spraying head (7), a cooling fluid recovery tank (3) and a cutting fluid recovery channel (42);
the protective cover (6) is formed by two iron plates and covers the upper portion of the power servo tool rest (4), a cutting liquid flow through hole penetrates through one position of the protective cover (6), one end of the hole is connected with the cutting liquid spray head (7), the cutting liquid spray head (7) can adjust the angle to realize spraying at different angles, the cooling liquid recovery tank (3) is fixed on the supporting portion of the power servo tool rest, and the outlet of the cooling liquid recovery tank (3) is connected with the cutting liquid recovery channel (42).
5. The test bench for simulating the reliability of the power servo tool rest of the numerical control machine tool under the real working condition according to claim 4, is characterized in that:
The power servo tool rest supporting part comprises a power servo tool rest supporting base (2) and a power servo tool rest base plate (5);
The utility model discloses a cutting fluid spraying device, including power servo tool rest support base (2), power servo tool rest backing plate (5), power servo tool rest support base (2), power servo tool rest backing plate (3) are fixed in on the side of power servo tool rest support base (2) with power servo tool rest (4) blade disc homonymy, power servo tool rest backing plate (5) are fixed in on the last top surface that becomes 45 degrees angles with the horizontal plane of power servo tool rest support base (2), power servo tool rest (4) are being fixed in on power servo tool rest backing plate (5), protection casing (6) are connected on the last inclined plane of power servo tool rest support base (2), hole threaded connection in cutting fluid shower head (7) and protection casing (6), cutting fluid recovery channel (42) and cutting fluid recovery groove (3) welding that are close to cutting force loading part, the lower extreme passes through the bolt fastening on the ground plain.
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| CN201910883792.4A CN110542575A (en) | 2019-09-19 | 2019-09-19 | test bed for simulating reliability of power servo tool rest of numerical control machine tool under real working condition |
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