CN116026576A - High-precision turning and milling composite machining center performance test bed - Google Patents
High-precision turning and milling composite machining center performance test bed Download PDFInfo
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- CN116026576A CN116026576A CN202310295804.8A CN202310295804A CN116026576A CN 116026576 A CN116026576 A CN 116026576A CN 202310295804 A CN202310295804 A CN 202310295804A CN 116026576 A CN116026576 A CN 116026576A
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Abstract
The invention provides a high-precision turning and milling composite machining center performance test bed, which relates to the technical field of detection and comprises the following components: the device comprises a test bed, a composite machining center, a lathe main shaft, a lathe auxiliary shaft and two precise measuring balls; the lathe main shaft and the lathe auxiliary shaft are movably arranged in the composite machining center, and the two precise measuring balls are respectively arranged on the lathe main shaft and the lathe auxiliary shaft; the test bench comprises a base, a support, a moving assembly, a displacement sensor, a fixing frame and a detection assembly, wherein the base is installed in the composite machining center, the support is installed at the top of the base, the moving assembly is installed on the support, and the displacement sensor is installed on the moving assembly. According to the scheme, two testing modes can be synchronously performed finally, positions can be exchanged after testing, the comprehensive testing is performed, the efficiency of the performance test of the turning and milling composite machining center is improved, and the testing time is saved.
Description
Technical Field
The invention relates to the technical field of detection, in particular to a high-precision turning and milling composite machining center performance test bed.
Background
In the industrial production process, in order to improve the processing efficiency and the processing precision of products, a more efficient and precise processing technique is sought, and the combined turning and milling composite processing equipment is adopted as a novel processing method, so that a guarantee is provided for improving the processing of high-precision mechanical parts, the efficiency can be ensured, and the processing quality can be ensured.
After the high-precision turning and milling composite machining center is molded, a standard test is required to be carried out according to a rule for detecting whether the performance of the machining center meets the production standard, the high-precision turning and milling composite machining center is required to respectively carry out a spindle rotating speed deviation test and a spindle rotating precision test, and the performance is tested through a displacement sensor and a speed sensor and used for detecting whether the related performance meets the standard.
In the existing performance test process, an independent test bed is required to be adopted for installation and adjustment of test equipment, in the process of installation and use of the test equipment, the detection equipment is fixed, and only a main shaft of one station can be tested, so that the test efficiency is low, and the adjustment convenience is required to be improved.
Therefore, it is necessary to provide a high-precision turning and milling composite machining center performance test bed to solve the above technical problems.
Disclosure of Invention
The invention provides a high-precision turning and milling composite machining center performance test bed, which solves the problems that in the related art, only a main shaft of one station can be tested, the test efficiency is low, and the adjustment convenience is required to be improved.
In order to solve the technical problems, the high-precision turning and milling composite machining center performance test stand provided by the invention comprises:
the device comprises a test bed, a composite machining center, a lathe main shaft, a lathe auxiliary shaft and two precise measuring balls;
the lathe main shaft and the lathe auxiliary shaft are movably arranged in the composite machining center, and the two precise measuring balls are respectively arranged on the lathe main shaft and the lathe auxiliary shaft;
the test bench comprises a base, a support, a moving assembly, a displacement sensor, a fixing frame and a detection assembly, wherein the base is installed in the composite machining center, the support is installed at the top of the base, the moving assembly is installed on the support, the displacement sensor is installed on the moving assembly, the fixing frame is fixedly arranged at the top of the support, and the detection assembly is installed on the fixing frame;
the displacement sensor is aligned on one precision measuring ball, the detection assembly is aligned on the other precision measuring ball, the rotation precision test of the lathe main shaft is realized, the auxiliary shaft of the lathe synchronously applies a pressure test, and the position of the test can be switched after the detection is completed, so that the comprehensive detection is completed.
Preferably, a speed sensor is further arranged on the moving component, and the detection end of the speed sensor faces the precision measuring ball.
Preferably, the moving assembly comprises a motor, a screw rod and a moving frame, wherein the motor is fixedly arranged in the bracket, one end of the screw rod is fixed with the shaft end of the motor, the other end of the screw rod penetrates through the moving frame and is in threaded connection, the moving frame is slidably arranged in the bracket, and the moving frame is parallel to the fixed frame;
the displacement sensor is fixedly arranged on the movable frame, and the speed sensor is fixedly arranged on the movable frame.
Preferably, the displacement sensors are provided with at least three groups.
Preferably, the fixing frame is provided with a sliding hole, and the sliding shaft is fixedly arranged on the fixing frame through the sliding hole;
the detection assembly comprises a connecting rod and a pressure sensor, the connecting rod is slidably mounted in the sliding hole, the sliding shaft penetrates through the connecting rod and is slidably connected, the pressure sensor is fixedly arranged on the connecting rod, and the detection end of the pressure sensor faces the precision measurement ball;
the test bed also comprises a transmission rod, the top end of the transmission rod is hinged with the movable frame, and the bottom end of the transmission rod is hinged with the connecting rod.
Preferably, the bracket is rotatably arranged at the top of the base, a supporting cover is fixedly arranged at the top of the base, and a locking hole is formed in the supporting cover;
the screw rod consists of a rotating shaft and a threaded sleeve, one end of the rotating shaft is fixedly connected with the shaft end of the motor, a telescopic groove structure is formed in the other end of the rotating shaft, an adjusting hole structure is formed in the rotating shaft, the adjusting hole structure is communicated with the telescopic groove structure, the threaded sleeve is rotatably installed on the rotating shaft, and the threaded sleeve is in threaded connection with the movable frame;
the movable assembly further comprises a telescopic rod piece, an elastic piece and a pressing plate, one end of the telescopic rod piece is in sliding connection with the telescopic groove structure, a groove is formed in the telescopic rod piece, one end of the pressing plate is hinged in the adjusting hole structure, the bottom of the pressing plate is abutted to the telescopic rod piece, the top of the telescopic rod piece is abutted to the threaded sleeve, the telescopic rod piece is slidably mounted on the supporting cover through the groove, and the telescopic rod piece is matched with the locking hole;
the elastic piece is elastically connected with the telescopic groove structure and the telescopic rod piece;
the test bench further comprises a rotating assembly, the rotating assembly comprises a bevel gear ring and a bevel gear, the bevel gear ring is fixedly arranged at the top of the base, the bevel gear is fixedly connected with the other end of the telescopic rod piece, and the bevel gear is aligned with the bevel gear ring.
Preferably, the connecting part of the telescopic rod piece and the telescopic groove structure is of a rectangular structure, and the telescopic groove structure is of a rectangular groove.
Preferably, the connection part of the telescopic rod and the telescopic groove structure is of a triangle structure, and the telescopic groove structure is of a triangle structure.
Preferably, a telescopic piece is fixedly arranged in the telescopic groove structure, and the telescopic end of the telescopic piece faces the telescopic rod piece.
Compared with the related art, the high-precision turning and milling composite machining center performance test bed provided by the invention has the following beneficial effects:
through set up the test bench between lathe main shaft and the lathe countershaft, make things convenient for one the precision measurement ball carries out the test of gyration precision, another the measurement ball carries out the pressure test, and two test modes can go on in step, and can change the position after the test, and comprehensive test improves the efficiency of turning and milling compound machining center performance test, practices thrift the time of test.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a first embodiment of a high-precision turning and milling composite machining center performance test bed provided by the invention;
FIG. 2 is a three-dimensional view of the test stand shown in FIG. 1;
FIG. 3 is a cross-sectional view of the test stand shown in FIG. 1;
FIG. 4 is a schematic diagram of a first embodiment of a performance test stand for a high-precision turning and milling composite machining center provided by the invention, wherein the diagram (a) is a front view of a temperature sensor in butt joint with the precision measurement ball, and the diagram (b) is a front view of the temperature sensor in butt joint with the precision measurement ball;
FIG. 5 is a schematic structural view of a second embodiment of a performance test stand for a high-precision turning and milling composite machining center provided by the invention;
FIG. 6 is an enlarged schematic view of portion A shown in FIG. 5;
FIG. 7 is a cross-sectional view of the lead screw shown in FIG. 6;
FIG. 8 is an enlarged schematic view of portion B shown in FIG. 7;
fig. 9 is a schematic diagram of a second embodiment of the high-precision turning and milling composite machining center performance test stand provided by the invention, wherein the diagram (c) is a top view of a meshing state of a bevel gear and a bevel gear ring, the diagram (d) is a top view of a meshing rotation state of the bevel gear around the bevel gear ring, the diagram (e) is a top view of a separation state of the bevel gear and the bevel gear ring, the diagram (f) is an enlarged view of the bevel gear in the diagram (c), the diagram (g) is an enlarged view of the bevel gear in the diagram (d), and the diagram (h) is an enlarged view of the bevel gear in the diagram (e);
fig. 10 is a cross-sectional view of the telescopic rod shown in fig. 9, wherein fig. (i) is a cross-sectional view of the telescopic rod connected to the rotating shaft in the state of fig. (c), and fig. (j) is a cross-sectional view of the telescopic rod connected to the rotating shaft in the state of fig. (e).
Reference numerals illustrate:
10. a test bed;
20. a composite machining center;
30. a lathe spindle;
40. a lathe auxiliary shaft;
50. a precision measurement ball;
1. a base;
2. a bracket;
3. a moving assembly;
4. a displacement sensor;
6. a fixing frame;
7. a detection assembly;
5. a speed sensor;
31. the motor, 32, lead screw, 33, moving frame;
61. slide hole, 62, slide shaft;
71. a connecting rod, 72, a pressure sensor;
8. a transmission rod;
11. a support cover 111, a locking hole;
321. a rotating shaft 322, a threaded sleeve 323, a telescopic groove structure 324 and an adjusting hole structure;
34. telescopic rod, 341, groove;
35. an elastic piece, 37, a pressing plate;
9. the rotary assembly 91, the bevel gear ring 92 and the bevel gear;
36. a telescoping member.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a high-precision turning and milling composite machining center performance test bed.
First embodiment
Referring to fig. 1 to 3 in combination, in a first embodiment of the present invention, a high-precision turning and milling composite machining center performance test stand includes:
the test bed 10, the composite machining center 20, the lathe main shaft 30, the lathe auxiliary shaft 40 and two precision measuring balls 50;
the lathe main shaft 30 and the lathe auxiliary shaft 40 are movably installed in the composite machining center 20, and the two precision measuring balls 50 are respectively installed on the lathe main shaft 30 and the lathe auxiliary shaft 40;
the test bench 10 comprises a base 1, a support 2, a moving assembly 3, a displacement sensor 4, a fixing frame 6 and a detecting assembly 7, wherein the base 1 is installed in a composite machining center 20, the support 2 is installed at the top of the base 1, the moving assembly 3 is installed on the support 2, the displacement sensor 4 is installed on the moving assembly 3, the fixing frame 6 is fixedly arranged at the top of the support 2, and the detecting assembly 7 is installed on the fixing frame 6.
The displacement sensor 4 is aligned on one precision measuring ball 50, the detection assembly 7 is aligned on the other precision measuring ball 50, the rotation precision test of the lathe main shaft 30 is realized, the lathe auxiliary shaft 40 synchronously applies a pressure test, and the position of the test can be switched after the detection is finished, so that the comprehensive detection is finished.
The displacement sensor 4 is used for detecting the rotation precision of the precision measuring ball 50 after installation, so as to respectively test and detect the rotation precision of the lathe main shaft 30 and the lathe auxiliary shaft 40.
By arranging the test bench 10 between the lathe main shaft 30 and the lathe auxiliary shaft 40, one precision measuring ball 50 is conveniently tested for rotation precision, the other precision measuring ball 50 is tested for pressure, two test modes can be synchronously performed, the positions can be changed after the test, the test is comprehensively performed, the efficiency of the performance test of the turning and milling composite machining center is improved, and the test time is saved.
Referring to fig. 2 again, the moving assembly 3 is further provided with a speed sensor 5, and a detection end of the speed sensor 5 faces the precision measuring ball 50.
The speed sensor 5 is used for conveniently detecting the rotating speed while the precise measuring ball 50 rotates, so as to facilitate the test of the rotating speed deviation of the main shaft.
Referring to fig. 2 and 3 in combination, the moving assembly 3 includes a motor 31, a screw rod 32 and a moving frame 33, the motor 31 is fixedly arranged in the bracket 2, one end of the screw rod 32 is fixed with the shaft end of the motor 31, the other end of the screw rod 32 penetrates through the moving frame 33 and is in threaded connection, the moving frame 33 is slidably mounted in the bracket 2, and the moving frame 33 is parallel to the fixed frame 6;
the displacement sensor 4 is fixedly arranged on the movable frame 33, and the speed sensor 5 is fixedly arranged on the movable frame 33.
In this embodiment, the motor 31 is a stepper motor, which provides a source of power for the rotation of the screw 32.
The motor 31 is used for conveniently driving the screw rod 32 to rotate, and the movable frame 33 is convenient to move and adjust in the support 2 so as to facilitate automatic extension and contraction of the displacement sensor 4 and the speed sensor 5 and provide stable support for integral rotation adjustment of the support 2.
Referring again to fig. 2, the displacement sensors 4 are provided with at least three groups.
One displacement sensor 4 is embedded and installed on the movable frame 33, one displacement sensor 4 is arranged at the bottom of the precision measurement ball 50, and the other displacement sensor 4 is arranged on the side surface of the precision measurement ball 50, so that comprehensive detection of the precision measurement ball 50 is realized.
Referring to fig. 2 and 3 in combination, the fixing frame 6 is provided with a sliding hole 61, and a sliding shaft 62 is fixedly arranged on the fixing frame 6 through the sliding hole 61;
the detection assembly 7 comprises a connecting rod 71 and a pressure sensor 72, the connecting rod 71 is slidably mounted in the sliding hole 61, the sliding shaft 62 penetrates through the connecting rod 71 and is slidably connected, the pressure sensor 72 is fixedly arranged on the connecting rod 71, and the detection end of the pressure sensor 72 faces the precision measurement ball 50;
the test bed 10 further comprises a transmission rod 8, the top end of the transmission rod 8 is hinged to the movable frame 33, and the bottom end of the transmission rod 8 is hinged to the connecting rod 71.
The transmission rod 8 is conveniently driven to synchronously move through the movable frame 33, and the connecting rod 71 can be driven to lift and adjust when the transmission rod 8 moves, so that the pressure sensor 72 is controlled to lift and butt when the movable frame 33 drives the displacement sensor 4 to stretch and retract.
The working principle of the high-precision turning and milling composite machining center performance test bed provided by the embodiment is as follows:
as shown in fig. 4 (a), before the test, the movable frame 33 is in a contracted state, the pressure sensor 72 is in a contracted state, the lathe main shaft 30 and the lathe auxiliary shaft 40 are respectively provided with the precision measuring ball 50 and are moved to a preset test point, so as to provide support for the butt joint of the movable frame 33 and the pressure sensor 72;
as shown in fig. 4 (b), when the test is required, the motor 31 is started, the screw rod 32 rotates, the moving frame 33 advances, and the moving frame 33 drives the displacement sensor 4 and the speed sensor 5 to move and butt against one precision measuring ball 50;
when the moving frame 33 moves forward, the driving rod 8 pulls the connecting rod 71 to move upwards, the connecting rod 71 drives the pressure sensor 72 to move upwards, the pressure sensor 72 is automatically docked on the other precise measuring ball 50, and the automatic upward movement of the pressure sensor 72 is controlled while the moving frame 33 moves and docks.
After the two precision measurement balls 50 are tested, the moving frame 33 is preferentially contracted, so that the equipment is reset, 180-degree steering is performed through a rotating tool of the composite machining center 20, switching of left and right detection stations is achieved, after switching, pressure detection is performed at the left station, rotation speed and rotation precision detection are performed at the right station, and therefore comprehensive testing of the lathe main shaft 30 and the lathe auxiliary shaft 40 is achieved.
Second embodiment
Referring to fig. 5 to 8 in combination, another high-precision turning and milling composite machining center performance test stand is provided according to a second embodiment of the present invention. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the performance test stand for the high-precision turning and milling composite machining center provided by the second embodiment of the invention is different in that the bracket 2 is rotatably installed at the top of the base 1, a supporting cover 11 is fixedly arranged at the top of the base 1, and a locking hole 111 is formed in the supporting cover 11;
the screw rod 32 is composed of a rotating shaft 321 and a threaded sleeve 322, one end of the rotating shaft 321 is fixedly connected with the shaft end of the motor 31, a telescopic groove structure 323 is formed at the other end of the rotating shaft 321, an adjusting hole structure 324 is formed in the rotating shaft 321, the adjusting hole structure 324 is communicated with the telescopic groove structure 323, the threaded sleeve 322 is rotatably arranged on the rotating shaft 321, and the threaded sleeve 322 is in threaded connection with the movable frame 33;
the moving assembly 3 further comprises a telescopic rod 34, an elastic piece 35 and a pressing plate 37, one end of the telescopic rod 34 is in sliding connection with the telescopic groove structure 323, a groove 341 is formed in the telescopic rod 34, one end of the pressing plate 37 is hinged in the adjusting hole structure 324, the bottom of the pressing plate 37 is abutted to the telescopic rod 34, the top of the telescopic rod 34 is abutted to the threaded sleeve 322, the telescopic rod 34 is slidably mounted on the supporting cover 11 through the groove 341, and the telescopic rod 34 is matched with the locking hole 111;
the elastic member 35 is elastically connected to the expansion slot structure 323 and the expansion link 34;
the test bed 10 further comprises a rotating assembly 9, the rotating assembly 9 comprises a bevel gear 91 and a bevel gear 92, the bevel gear 91 is fixedly arranged at the top of the base 1, the bevel gear 92 is fixedly connected with the other end of the telescopic rod 34, and the bevel gear 92 is aligned with the bevel gear 91.
The bevel gear 92 is engaged with the bevel ring 91 in an initial state, the pressing plate 37 is separated from the threaded sleeve 322, and the rotating shaft 321 can drive the bevel gear 92 to rotate and roll on the bevel ring 91, so that automatic rotation adjustment of the bracket 2 is realized, and the detection directions of the displacement sensor 4, the speed sensor 5 and the pressure sensor 72 are conveniently and adaptively adjusted.
In this embodiment, the elastic member 35 is a spring, and is in a stretched state.
In this embodiment, the locking hole 111 may not only provide telescopic support for the telescopic rod 34, but also automatically lock the telescopic rod 34 after being retracted, so that the telescopic rod 34 is fixed in a separated state and cannot continue to drive the support 2 to rotate.
When the bevel gear 92 is meshed with the bevel gear ring 91, the motor 31 drives the rotating shaft 321 to rotate, and meanwhile, the telescopic rod 34 drives the bevel gear 92 to roll on the bevel gear ring 91, so that steering adjustment of the support 2 is realized, the telescopic rod 34 stably slides on the support cover 11, when the telescopic rod 34 rotates and slides to the range of the locking hole 111, the bevel gear 92 is automatically separated from the bevel gear ring 91, and the telescopic rod 34 pushes the pressing plate 37 to abut against the threaded sleeve 322, so that the rotating shaft 321 can drive the threaded sleeve 322 to synchronously rotate, and thus movement adjustment of the movable frame 33 is realized.
In an alternative implementation manner of this embodiment, a connection portion between the telescopic rod 34 and the telescopic groove structure 323 is a rectangular structure, and the telescopic groove structure 323 is a rectangular groove.
The telescopic rod 34 is rectangular at one end near the telescopic slot structure 323, and the part near the recess 341 is a circular tube structure.
The rotating shaft 321 can stably drive the telescopic rod 34 to rotate and adjust through the telescopic groove structure 323 with a rectangular groove structure, and the stable shrinkage adjustment of the rotating shaft 321 and the telescopic rod 34 can be ensured.
In another alternative implementation of this embodiment, the connection portion between the telescopic rod 34 and the telescopic slot structure 323 is a triangle structure, and the telescopic slot structure 323 is a triangle structure.
The telescopic rod 34 is triangular at one end near the telescopic slot structure 323, and the part near the recess 341 is a circular tube structure.
The rotation shaft 321 and the telescopic rod 34 can synchronously rotate, and normal telescopic adjustment can be ensured.
The expansion groove structure 323 is internally and fixedly provided with an expansion piece 36, and the expansion end of the expansion piece 36 faces the expansion rod piece 34.
In this embodiment, the telescoping member 36 is an electric telescoping rod that provides a source of power for the extension and retraction of the telescoping rod 34.
The telescopic member 36 drives and pushes the telescopic rod 34 to extend, so that the telescopic rod 34 is in a contact and locking state, the bevel gear 92 is in meshed connection with the bevel gear ring 91 again, meanwhile, the pressing plate 37 is separated from the abutting joint of the threaded sleeve 322, and the rotating shaft 321 can be independently rotated, so that the support 2 can be subjected to steering adjustment again.
The working principle of the high-precision turning and milling composite machining center performance test bed provided by the embodiment is as follows:
as shown in fig. 9 (c), fig. f, and fig. 10 (i), in an initial state, the bevel gear 92 and the bevel gear ring 91 are in a meshed state, the groove 341 is sleeved on the supporting cover 11, so as to ensure stability of the meshed state, the bracket 2 can rotate on the base 1, the pressing plate 37 is not in contact with the threaded sleeve 322, the rotating shaft 321 can rotate independently relative to the threaded sleeve 322, and the threaded sleeve 322 and the moving frame 33 are relatively motionless when the rotating shaft 321 rotates;
as shown in fig. 9 (d) and (g), when alignment and test are required, the motor 31 is started, the rotating shaft 321 drives the telescopic rod 34 to rotate, the bevel gear 92 rotates and rolls on the bevel gear ring 91, so that the rotating shaft 321 and the motor 31 drive the whole bracket 2 to rotate on the base 1 for direction adjustment and switching;
as shown in fig. 9 (e), fig. (h) and fig. 10 (j), when the groove 341 on the telescopic rod 34 is completely aligned with the locking hole 111, the elastic member 35 pulls the telescopic rod 34 to automatically retract, the surface of the telescopic rod 34 is clamped in the locking hole 111, the bevel gear 92 is automatically separated from the bevel gear ring 91 and is not contacted, the telescopic rod 34 is automatically locked in the current state and is blocked and limited by the supporting cover 11 while the meshing and separation are realized, and the telescopic rod 34 can continuously rotate along the rotating shaft 321;
when the telescopic rod 34 is contracted, the telescopic rod 34 pushes the pressing plate 37 to rotate upwards, the pressing plate 37 abuts against the inner surface of the threaded sleeve 322, so that the rotating shaft 321 and the threaded sleeve 322 are fixed relatively, and the rotating shaft 321 can drive the threaded sleeve 322 to rotate simultaneously through the pressing plate 37 for movement adjustment of the movable frame 33.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (9)
1. A high-precision turning and milling composite machining center performance test bed is characterized by comprising:
the device comprises a test bed, a composite machining center, a lathe main shaft, a lathe auxiliary shaft and two precise measuring balls;
the lathe main shaft and the lathe auxiliary shaft are movably arranged in the composite machining center, and the two precise measuring balls are respectively arranged on the lathe main shaft and the lathe auxiliary shaft;
the test bench comprises a base, a support, a moving assembly, a displacement sensor, a fixing frame and a detection assembly, wherein the base is installed in the composite machining center, the support is installed at the top of the base, the moving assembly is installed on the support, the displacement sensor is installed on the moving assembly, the fixing frame is fixedly arranged at the top of the support, and the detection assembly is installed on the fixing frame;
the displacement sensor is aligned on one precision measuring ball, the detection assembly is aligned on the other precision measuring ball, the rotation precision test of the lathe main shaft is realized, the auxiliary shaft of the lathe synchronously applies a pressure test, and the position of the test can be switched after the detection is completed, so that the comprehensive detection is completed.
2. The high-precision turning and milling composite machining center performance test bed according to claim 1, wherein a speed sensor is further arranged on the moving assembly, and a detection end of the speed sensor faces the precision measuring ball.
3. The high-precision turning and milling composite machining center performance test bed according to claim 2, wherein the moving assembly comprises a motor, a screw rod and a moving frame, the motor is fixedly arranged in the bracket, one end of the screw rod is fixed with the shaft end of the motor, the other end of the screw rod penetrates through the moving frame and is in threaded connection, the moving frame is slidably arranged in the bracket, and the moving frame is arranged in parallel with the fixed frame;
the displacement sensor is fixedly arranged on the movable frame, and the speed sensor is fixedly arranged on the movable frame.
4. The high precision turn-milling composite machining center performance test bed according to claim 3, wherein the displacement sensors are provided with at least three groups.
5. The high-precision turning and milling composite machining center performance test bed according to claim 4, wherein a slide hole is formed in the fixing frame, and a slide shaft is fixedly arranged on the fixing frame through the slide hole;
the detection assembly comprises a connecting rod and a pressure sensor, the connecting rod is slidably mounted in the sliding hole, the sliding shaft penetrates through the connecting rod and is slidably connected, the pressure sensor is fixedly arranged on the connecting rod, and the detection end of the pressure sensor faces the precision measurement ball;
the test bed also comprises a transmission rod, the top end of the transmission rod is hinged with the movable frame, and the bottom end of the transmission rod is hinged with the connecting rod.
6. The high-precision turning and milling composite machining center performance test bed according to claim 5, wherein the support is rotatably arranged at the top of the base, a supporting cover is fixedly arranged at the top of the base, and a locking hole is formed in the supporting cover;
the screw rod consists of a rotating shaft and a threaded sleeve, one end of the rotating shaft is fixedly connected with the shaft end of the motor, a telescopic groove structure is formed in the other end of the rotating shaft, an adjusting hole structure is formed in the rotating shaft, the adjusting hole structure is communicated with the telescopic groove structure, the threaded sleeve is rotatably installed on the rotating shaft, and the threaded sleeve is in threaded connection with the movable frame;
the movable assembly further comprises a telescopic rod piece, an elastic piece and a pressing plate, one end of the telescopic rod piece is in sliding connection with the telescopic groove structure, a groove is formed in the telescopic rod piece, one end of the pressing plate is hinged in the adjusting hole structure, the bottom of the pressing plate is abutted to the telescopic rod piece, the top of the telescopic rod piece is abutted to the threaded sleeve, the telescopic rod piece is slidably mounted on the supporting cover through the groove, and the telescopic rod piece is matched with the locking hole;
the elastic piece is elastically connected with the telescopic groove structure and the telescopic rod piece;
the test bench further comprises a rotating assembly, the rotating assembly comprises a bevel gear ring and a bevel gear, the bevel gear ring is fixedly arranged at the top of the base, the bevel gear is fixedly connected with the other end of the telescopic rod piece, and the bevel gear is aligned with the bevel gear ring.
7. The high-precision turning and milling composite machining center performance test bed according to claim 6, wherein the connecting portion of the telescopic rod piece and the telescopic groove structure is of a rectangular structure, and the telescopic groove structure is of a rectangular groove.
8. The high-precision turning and milling composite machining center performance test bed according to claim 6, wherein the connecting portion of the telescopic rod piece and the telescopic groove structure is of a triangular structure, and the telescopic groove structure is of a triangular structure.
9. The high-precision turning and milling composite machining center performance test bed according to claim 7, wherein a telescopic piece is fixedly arranged in the telescopic groove structure, and the telescopic end of the telescopic piece faces the telescopic rod piece.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117091868A (en) * | 2023-10-17 | 2023-11-21 | 山东泰格尔数控机床附件有限公司 | Test platform for multi-axis linkage numerical control turntable |
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