CN112461531B - Reliability test device for elastic chuck of numerical control machine tool - Google Patents
Reliability test device for elastic chuck of numerical control machine tool Download PDFInfo
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Abstract
The invention discloses a reliability test device for an elastic chuck of a numerical control machine tool, which comprises a platen, wherein the middle part of the upper end of the platen is fixedly connected with a connecting mechanism, the left part of the upper end of the platen is fixedly connected with a supporting frame, the upper end of the supporting frame is fixedly connected with a clamping hydraulic cylinder, the output end of the clamping hydraulic cylinder is fixedly connected with a clamping mechanism, the upper part of the right end of the connecting mechanism is fixedly connected with a detector mounting mechanism, a displacement sensor and a temperature sensor are fixedly connected onto the detector mounting mechanism in an inserting mode, the right part of the upper end of the platen is provided with a sliding supporting mechanism, the upper part of the sliding supporting mechanism is provided with a loading mechanism, and the middle part of the front end of a supporting enclosure is fixedly connected with a control console. According to the reliability test device for the elastic chuck of the numerical control machine tool, the reliability test of the elastic chuck body has reproducible conditions, so that the test can be repeated, the test period is short, the test effect is better, and the data obtained by the test is more valuable.
Description
Technical Field
The invention relates to the technical field of numerical control machines, in particular to a reliability test device for an elastic chuck of a numerical control machine.
Background
The numerically controlled machine tool is an automatic machine tool with program control system, and can make the machine tool act and machine parts according to the programmed program. The numerical control machine tool integrates the technologies of machinery, automation, computers, microelectronics and the like, solves the processing problem of complex, precise and small-batch parts, and is a flexible and efficient automatic machine tool. The elastic chuck is a key functional part of the numerical control machine tool. The reliability level of the elastic chuck directly influences the reliability level of the whole machine. However, at present, there is no reliability test device for the elastic chuck of the numerical control machine tool in China, so that a laboratory reliability bench test for the elastic chuck cannot be carried out, and only fault data, operation data and maintenance data can be obtained through a field reliability tracking test, so that corresponding reliability analysis can be carried out. However, the method for acquiring the fault data, the operation data and the maintenance data of the elastic chuck by using the field reliability tracking test has the disadvantages of long test period, uncontrollable test, unrepeatable test, unreliable test result and consumption of a large amount of manpower, material resources and financial resources, so the field reliability tracking test method has low practicability. Therefore, a reliability test device for the elastic chuck of the numerical control machine tool is provided.
Disclosure of Invention
The invention mainly aims to provide a reliability test device for an elastic chuck of a numerical control machine tool, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a reliability test device for an elastic chuck of a numerical control machine tool comprises a platen, wherein a connecting mechanism is fixedly connected to the middle of the upper end of the platen, a support frame is fixedly connected to the left portion of the upper end of the platen, a chute is formed in the right portion of the upper end of the platen, a clamping hydraulic cylinder is fixedly connected to the upper end of the support frame, a clamping mechanism is fixedly connected to the output end of the clamping hydraulic cylinder, the right portion of the clamping mechanism is movably connected with the upper portion of the connecting mechanism in an inserting manner, an elastic chuck body is movably connected between the clamping mechanism and the connecting mechanism together, a test rod is fixedly clamped at the right end of the elastic chuck body, a detector mounting mechanism is fixedly connected to the upper portion of the right end of the connecting mechanism in an inserting manner, a displacement sensor and a temperature sensor are fixedly connected to the detector mounting mechanism in an inserting manner, and four displacement sensors and temperature sensors are arranged on the detector mounting mechanism, the four displacement sensors and the four temperature sensors are distributed in an annular array, the displacement sensors and the temperature sensors are alternately arranged, the right part of the upper end of the bedplate is provided with a sliding support mechanism, the middle lower part of the sliding support mechanism is inserted and movably connected in a chute, the upper part of the sliding support mechanism is provided with a loading mechanism, the upper part of the left end of the loading mechanism is movably connected with the right end of the test rod, the lower end of the bedplate is fixedly connected with a supporting enclosing shell, the right part of the front end of the supporting enclosing shell is provided with a through groove, the lower end of the supporting enclosing shell is fixedly connected with a bottom plate, the middle part of the upper end of the bottom plate is fixedly connected with a loading hydraulic cylinder, the output end of the loading hydraulic cylinder is fixedly connected with the lower part of the left end of the sliding support mechanism, the left part of the front end of the supporting enclosing shell is fixedly connected with an air pump, and the middle part of the front end of the supporting enclosing shell is fixedly connected with a control console, the lower extreme fixedly connected with backing plate of bottom plate, the equal electric connection of control cabinet and air pump, loading pneumatic cylinder, temperature sensor, displacement sensor, clamping pneumatic cylinder and loading mechanism.
As a further improvement of the above scheme, the connecting mechanism includes a connecting frame, the lower end of the connecting frame is fixedly connected with the middle part of the upper end of the platen, the upper end of the connecting frame is fixedly connected with a connecting plate, a slot is formed in the middle part of the right end of the connecting plate, two slots are formed in the front upper part and the front lower part of the right end of the connecting plate, the two slots are communicated with the slot, supporting holes are formed in the right end of the connecting plate, the supporting holes are provided with four slots which are distributed in an annular array, the slots are arranged between the four supporting holes, and the front part of the elastic chuck body is inserted into the slots in a movable mode.
As a further improvement of the above scheme, the clamping mechanism comprises a clamping plate, a clamping push plate is fixedly connected to the left end of the clamping plate, the left end of the clamping push plate is fixedly connected with the output end of a clamping hydraulic cylinder, a clamping groove is formed in the middle of the right end of the clamping plate, supporting columns are fixedly connected to four vertex angles in the clamping groove, and the left portion of the elastic chuck body is movably clamped in the clamping groove.
As a further improvement of the scheme, the left parts of the four supporting columns are movably connected with the left part of the elastic chuck body in an inserting mode, the right parts of the four supporting columns are movably connected in the supporting holes in an inserting mode respectively, and the right end of the clamping plate is movably connected with the left end of the connecting plate.
As a further improvement of the above scheme, the detector mounting mechanism includes a connection ring, the left end of the connection ring is fixedly connected with the right end of the connection plate, the elastic chuck body is arranged in the connection ring, the right end of the connection ring is fixedly connected with eight connection lugs, the eight connection lugs are distributed in an annular array, the jacks are all formed in the right parts of the eight connection lugs, and the displacement sensor and the temperature sensor are all inserted and fixed in the jacks.
As a further improvement of the above scheme, the slip supporting mechanism includes branch and pivot, the pivot is provided with two, the well lower part of branch alternates swing joint in the spout, the activity of the well lower part of branch has cup jointed the support slide, the support slide is provided with two, two the support slide is the symmetry setting from top to bottom, two the support slide is in the same place through two pivots and branch swing joint respectively, the right-hand member upper portion fixedly connected with frame of branch, the equal fixedly connected with in upper end right part and the upper end left part of branch supports and keeps off the ring, the lower extreme fixedly connected with supporting slide of branch.
As a further improvement of the scheme, the inner side surfaces of the two supporting sliding plates are respectively movably connected with the upper end surface and the lower end surface of the bedplate, the lower end surface of the supporting sliding block is movably connected with the upper end surface of the bottom plate, and the left end of the supporting sliding block is fixedly connected with the output end of the loading hydraulic cylinder.
As a further improvement of the above scheme, the loading mechanism comprises a loading motor and a loading rod, the lower end of the loading motor is fixedly connected with the upper end of the base, the right part of the outer surface of the loading rod is fixedly connected with a limiting ring in a sleeved mode, the right end of the loading rod is fixedly connected with a transmission shaft, a belt transmission assembly is connected between the output end of the loading motor and the right end of the transmission shaft in a transmission mode, the left end of the loading rod is movably connected with the right end of the test rod, and the loading motor is electrically connected with the control console.
As a further improvement of the scheme, the loading rod is movably connected with the two supporting baffle rings in an inserting mode, and the limiting ring is movably connected between the two supporting baffle rings.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the elastic chuck body, the clamping hydraulic cylinder, the clamping mechanism and the connecting mechanism are arranged, when the elastic chuck body is clamped, the elastic chuck body is clamped in the clamping groove of the clamping mechanism, the supporting columns support the elastic chuck body, then the right part of the elastic chuck body penetrates through the first slot and the second slot under the pushing of the clamping hydraulic cylinder, the clamping plate and the connecting plate jointly compress and fix the elastic chuck body, the reliability test can be conducted on the elastic chuck body, the elastic chuck body is convenient to install and fix, after the test is finished, the piston of the clamping hydraulic cylinder moves out of the clamping mechanism, the elastic chuck body can be taken out, the taking out is convenient, the replacement convenience of the elastic chuck body is improved, and the test efficiency is improved.
2. According to the invention, by arranging the test rod, the loading mechanism, the sliding support mechanism and the loading hydraulic cylinder, after the elastic chuck body is fixed, the test rod is clamped on the elastic chuck body, the test rod simulates a workpiece clamped on the elastic chuck body, the loading motor drives the loading rod to rotate, the loading hydraulic cylinder pulls the loading rod to move left, so that the loading rod is contacted with the test rod, the state of the elastic chuck body is simulated when a cutter works on the workpiece, the test state of the elastic chuck body is closer to the actual use state, the reliability test of the elastic chuck body has reproducible conditions, and therefore, the test can be repeated, the test period is short, the test effect is better, and the data obtained by the test is more valuable.
3. According to the invention, the connecting mechanism, the detector mounting mechanism, the displacement sensors and the temperature sensors are arranged, the four displacement sensors and the four temperature sensors are distributed in an annular array, and are alternately arranged, so that the temperature change and the displacement change of the elastic chuck body under the action of the loading rod on the test rod can be detected, the change condition of the clamping force of the elastic chuck body under the use can be detected, the reliability of the elastic chuck can be tested, the detection effect is good, the detected data are more, and the obtained test result is more reliable.
4. According to the invention, the control console is arranged, the programmable controller is arranged in the control console, the control console is electrically connected with the loading hydraulic cylinder, the temperature sensor, the displacement sensor, the clamping hydraulic cylinder and the loading motor, automatic control can be realized, in the test process, only the elastic chuck body, the mounting test rod, the connecting elastic chuck body and the air pump need to be manually replaced, other test operations can be realized through the control console, the test operation is convenient, and the test is controllable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic overall structure diagram of a reliability testing device for an elastic chuck of a numerical control machine tool according to the present invention;
FIG. 2 is a schematic overall structure diagram of a reliability testing device for an elastic chuck of a numerical control machine tool according to the present invention;
FIG. 3 is a schematic view of a part of the structure of the reliability testing device for the elastic chuck of the numerical control machine tool according to the present invention;
FIG. 4 is a schematic structural diagram of a connecting mechanism of the reliability testing device of the elastic chuck of the numerical control machine tool according to the invention;
FIG. 5 is a structural schematic diagram of a clamping mechanism of the reliability testing device of the elastic chuck of the numerical control machine tool;
FIG. 6 is a schematic view of a detector mounting mechanism of the reliability testing device for the elastic chuck of the numerical control machine tool according to the present invention;
FIG. 7 is a schematic structural view of a sliding support mechanism of the reliability testing device for the elastic chuck of the numerical control machine tool according to the present invention;
fig. 8 is a structural schematic diagram of a loading mechanism of the reliability testing device for the elastic chuck of the numerical control machine tool.
In the figure: 1. a platen; 2. a chute; 3. a connecting mechanism; 4. a clamping mechanism; 5. a detector mounting mechanism; 6. a sliding support mechanism; 7. a loading mechanism; 8. a support frame; 9. a hydraulic cylinder is clamped; 10. a displacement sensor; 11. a temperature sensor; 12. an elastic chuck body; 13. supporting the enclosure; 14. a through groove; 15. a base plate; 16. loading a hydraulic cylinder; 17. an air pump; 18. a console; 19. a base plate; 20. a test bar; 31. a connecting frame; 32. a connecting plate; 33. a first slot; 34. a second slot; 35. a support hole; 41. installing a clamping plate; 42. clamping the push plate; 43. clamping the groove; 44. a support pillar; 51. a connecting ring; 52. connecting lugs; 53. a jack; 61. a strut; 62. a machine base; 63. a support baffle ring; 64. supporting the sliding plate; 65. a rotating shaft; 66. a support slide block; 71. loading a motor; 72. a belt drive assembly; 73. a drive shaft; 74. a loading rod; 75. a limit ring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical scheme of the invention is further explained by combining the attached drawings.
Example one
A reliability test device for an elastic chuck of a numerical control machine tool comprises a platen 1, a connecting mechanism 3 is fixedly connected to the middle part of the upper end of the platen 1, a supporting frame 8 is fixedly connected to the left part of the upper end of the platen 1, a chute 2 is arranged at the right part of the upper end of the platen 1, a clamping hydraulic cylinder 9 is fixedly connected to the upper end of the supporting frame 8, a clamping mechanism 4 is fixedly connected to the output end of the clamping hydraulic cylinder 9, the right part of the clamping mechanism 4 is movably connected with the upper part of the connecting mechanism 3 in an inserting manner, an elastic chuck body 12 is jointly and movably connected between the clamping mechanism 4 and the connecting mechanism 3, a test rod 20 is fixedly clamped at the right end of the elastic chuck body 12, a detector mounting mechanism 5 is fixedly connected to the upper part of the right end of the connecting mechanism 3, a displacement sensor 10 and a temperature sensor 11 are fixedly connected to the detector mounting mechanism 5 in an inserting manner, and four displacement sensors 10 and temperature sensors 11 are arranged, the four displacement sensors 10 and the four temperature sensors 11 are distributed in an annular array, the displacement sensors 10 and the temperature sensors 11 are arranged alternately, the right part of the upper end of the bedplate 1 is provided with a sliding support mechanism 6, the middle lower part of the sliding support mechanism 6 is inserted and movably connected in the chute 2, the upper part of the sliding support mechanism 6 is provided with a loading mechanism 7, the upper part of the left end of the loading mechanism 7 is movably connected with the right end of a test rod 20, the lower end of the bedplate 1 is fixedly connected with a supporting enclosure 13, the right part of the front end of the supporting enclosure 13 is provided with a through groove 14, the lower end of the supporting enclosure 13 is fixedly connected with a bottom plate 15, the middle part of the upper end of the bottom plate 15 is fixedly connected with a loading hydraulic cylinder 16, the output end of the loading hydraulic cylinder 16 is fixedly connected with the lower part of the left end of the sliding support mechanism 6, the left part of the front end of the supporting enclosure 13 is fixedly connected with an air pump 17, the middle part of the front end of the supporting enclosure 13 is fixedly connected with a control console 18, the lower end of the bottom plate 15 is fixedly connected with a base plate 19, and the console 18 is electrically connected with an air pump 17, a loading hydraulic cylinder 16, a temperature sensor 11, a displacement sensor 10, a clamping hydraulic cylinder 9 and a loading mechanism 7.
In the specific use process of the embodiment, the control console 18 is firstly used for starting the clamping hydraulic cylinder 9 to enable the piston of the clamping hydraulic cylinder 9 to move left, the clamping mechanism 4 is moved left, then the elastic chuck body 12 is clamped on the clamping mechanism 4, then the piston of the clamping hydraulic cylinder 9 is moved right, the clamping mechanism 4 is pushed right, the right part of the elastic chuck body 12 penetrates through the connecting mechanism 3, after the clamping mechanism 4 and the connecting mechanism 3 jointly press and fix the elastic chuck body 12, the clamping hydraulic cylinder 9 stops outputting, then the elastic chuck body 12 is connected with the air pump 17, the test rod 20 is clamped and fixed on the elastic chuck body 12, then the control console 18 is used for starting the loading mechanism 7 to enable the upper left part of the loading mechanism 7 to rotate, then the control console 18 is used for starting the loading hydraulic cylinder 16, the loading hydraulic cylinder 16 is used for driving the sliding support mechanism 6 and the loading mechanism 7 to move left, the left upper part of the loading mechanism 7 is contacted with the test rod 20, when the left upper part of the loading mechanism 7 is contacted with the test rod 20, the loading hydraulic cylinder 16 stops working, and the displacement sensor 10 and the temperature sensor 11 detect the temperature change and the displacement change of the elastic chuck body 12 when the loading mechanism 7 acts on the test rod 20 so as to carry out the reliability test of the elastic chuck body 12; this device, test rod 20 simulation work piece, test rod 20 and loading mechanism 7 cooperation are used, can simulate the state of cutter elasticity chuck body 12 when the operation on the work piece, make the test state of elasticity chuck body 12 more be close to the in-service use state, make the reliability test of elasticity chuck body 12 possess reproducible condition to can the repetition test, it is experimental reliable, test cycle is short, experimental effect is better, the data that the experiment reachs are more valuable.
Example two
On the basis of the first embodiment, as shown in fig. 4-5, a reliability testing device for an elastic chuck of a numerical control machine tool comprises a platen 1, a connecting mechanism 3 is fixedly connected to the middle part of the upper end of the platen 1, a supporting frame 8 is fixedly connected to the left part of the upper end of the platen 1, a chute 2 is formed in the right part of the upper end of the platen 1, a clamping hydraulic cylinder 9 is fixedly connected to the upper end of the supporting frame 8, a clamping mechanism 4 is fixedly connected to the output end of the clamping hydraulic cylinder 9, the right part of the clamping mechanism 4 is movably connected to the upper part of the connecting mechanism 3 in an inserting manner, an elastic chuck body 12 is jointly and movably connected between the clamping mechanism 4 and the connecting mechanism 3, a testing rod 20 is fixedly clamped at the right end of the elastic chuck body 12, a detector mounting mechanism 5 is fixedly connected to the upper part of the right end of the connecting mechanism 3, a displacement sensor 10 and a temperature sensor 11 are fixedly connected to the detector mounting mechanism 5 in an inserting manner, the displacement sensors 10 and the temperature sensors 11 are respectively provided with four displacement sensors 10, the four displacement sensors 10 and the four temperature sensors 11 are respectively distributed in an annular array, the displacement sensors 10 and the temperature sensors 11 are alternately arranged, the right part of the upper end of the bedplate 1 is provided with a sliding support mechanism 6, the middle lower part of the sliding support mechanism 6 is inserted and movably connected in the chute 2, the upper part of the sliding support mechanism 6 is provided with a loading mechanism 7, the upper part of the left end of the loading mechanism 7 is movably connected with the right end of the test rod 20, the lower end of the bedplate 1 is fixedly connected with a supporting enclosure 13, the right part of the front end of the supporting enclosure 13 is provided with a through groove 14, the lower end of the supporting enclosure 13 is fixedly connected with a bottom plate 15, the middle part of the upper end of the bottom plate 15 is fixedly connected with a loading hydraulic cylinder 16, the output end of the loading hydraulic cylinder 16 is fixedly connected with the lower part of the left end of the sliding support mechanism 6, and the air pump 17 is fixedly connected with the left part of the front end of the supporting enclosure 13, the middle part of the front end of the supporting enclosure 13 is fixedly connected with a control console 18, the lower end of the bottom plate 15 is fixedly connected with a base plate 19, and the control console 18 is electrically connected with an air pump 17, a loading hydraulic cylinder 16, a temperature sensor 11, a displacement sensor 10, a clamping hydraulic cylinder 9 and a loading mechanism 7.
The clamping mechanism 4 comprises a clamping plate 41, a clamping push plate 42 is fixedly connected to the left end of the clamping plate 41, the left end of the clamping push plate 42 is fixedly connected with the output end of a clamping hydraulic cylinder 9, a clamping groove 43 is formed in the middle of the right end of the clamping plate 41, supporting columns 44 are fixedly connected to four vertex angle positions in the clamping groove 43, and the left portion of the elastic chuck body 12 is movably clamped in the clamping groove 43; the left parts of the four support columns 44 are movably connected with the left part of the elastic chuck body 12 in an inserting mode, the right parts of the four support columns 44 are movably connected in the support holes 35 in an inserting mode respectively, and the right end of the clamping plate 41 is movably connected with the left end of the connecting plate 32.
In the specific use process of the embodiment, after the clamping hydraulic cylinder 9 is pulled out of the clamping mechanism 4 leftwards, the left part of the elastic chuck body 12 is inserted into the clamping groove 43, and the four supporting columns 44 are used for supporting and fixing the elastic chuck body 12, then, the piston of the clamping hydraulic cylinder 9 moves rightwards, the clamping push plate 42 is pushed rightwards, the clamping plate 41 drives the elastic chuck body 12 to move rightwards, the right part of the elastic chuck body 12 passes through the first slot 33 and the second slot 34, the four supporting columns 44 respectively pass through the supporting holes 35, when the connecting plate 32 and the clamping plate 41 jointly fix the elastic chuck body 12, the clamping hydraulic cylinder 9 stops outputting, the clamping and fixing of the elastic chuck body 12 are completed, after the experiment is completed, the clamping hydraulic cylinder 9 is pulled out of the clamping mechanism 4 leftwards, the elastic chuck body 12 can be taken out of the clamping mechanism 4, and the clamping and the elastic chuck body 12 are both convenient to fix and take out, the experimental efficiency is improved.
EXAMPLE III
On the basis of the first embodiment, as shown in fig. 6-8, a reliability testing device for an elastic chuck of a numerical control machine tool comprises a platen 1, a connecting mechanism 3 is fixedly connected to the middle part of the upper end of the platen 1, a supporting frame 8 is fixedly connected to the left part of the upper end of the platen 1, a chute 2 is formed in the right part of the upper end of the platen 1, a clamping hydraulic cylinder 9 is fixedly connected to the upper end of the supporting frame 8, a clamping mechanism 4 is fixedly connected to the output end of the clamping hydraulic cylinder 9, the right part of the clamping mechanism 4 is movably connected to the upper part of the connecting mechanism 3 in an inserting manner, an elastic chuck body 12 is jointly and movably connected between the clamping mechanism 4 and the connecting mechanism 3, a testing rod 20 is fixedly clamped at the right end of the elastic chuck body 12, a detector mounting mechanism 5 is fixedly connected to the upper part of the right end of the connecting mechanism 3, a displacement sensor 10 and a temperature sensor 11 are fixedly connected to the detector mounting mechanism 5 in an inserting manner, the displacement sensors 10 and the temperature sensors 11 are respectively provided with four displacement sensors 10, the four displacement sensors 10 and the four temperature sensors 11 are respectively distributed in an annular array, the displacement sensors 10 and the temperature sensors 11 are alternately arranged, the right part of the upper end of the bedplate 1 is provided with a sliding support mechanism 6, the middle lower part of the sliding support mechanism 6 is inserted and movably connected in the chute 2, the upper part of the sliding support mechanism 6 is provided with a loading mechanism 7, the upper part of the left end of the loading mechanism 7 is movably connected with the right end of the test rod 20, the lower end of the bedplate 1 is fixedly connected with a supporting enclosure 13, the right part of the front end of the supporting enclosure 13 is provided with a through groove 14, the lower end of the supporting enclosure 13 is fixedly connected with a bottom plate 15, the middle part of the upper end of the bottom plate 15 is fixedly connected with a loading hydraulic cylinder 16, the output end of the loading hydraulic cylinder 16 is fixedly connected with the lower part of the left end of the sliding support mechanism 6, and the air pump 17 is fixedly connected with the left part of the front end of the supporting enclosure 13, the middle part of the front end of the supporting enclosure 13 is fixedly connected with a control console 18, the lower end of the bottom plate 15 is fixedly connected with a base plate 19, and the control console 18 is electrically connected with an air pump 17, a loading hydraulic cylinder 16, a temperature sensor 11, a displacement sensor 10, a clamping hydraulic cylinder 9 and a loading mechanism 7.
The sliding support mechanism 6 comprises a support rod 61 and two rotating shafts 65, the two rotating shafts 65 are arranged, the middle lower part of the support rod 61 is inserted and movably connected in the chute 2, the middle lower part of the support rod 61 is movably sleeved with two support sliding plates 64, the two support sliding plates 64 are symmetrically arranged up and down, the two support sliding plates 64 are movably connected with the support rod 61 through the two rotating shafts 65 respectively, the upper part of the right end of the support rod 61 is fixedly connected with a machine base 62, the right part and the left part of the upper end of the support rod 61 are both fixedly connected with a support baffle ring 63, and the lower end of the support rod 61 is fixedly connected with a support sliding block 66; the inner side surfaces of the two supporting sliding plates 64 are respectively movably connected with the upper end surface and the lower end surface of the bedplate 1, the lower end surface of the supporting sliding block 66 is movably connected with the upper end surface of the bottom plate 15, and the left end of the supporting sliding block 66 is fixedly connected with the output end of the loading hydraulic cylinder 16.
The loading mechanism 7 comprises a loading motor 71 and a loading rod 74, the lower end of the loading motor 71 is fixedly connected with the upper end of the base 62, the right part of the outer surface of the loading rod 74 is fixedly sleeved with a limit ring 75, the right end of the loading rod 74 is fixedly connected with a transmission shaft 73, a belt transmission assembly 72 is jointly connected between the output end of the loading motor 71 and the right end of the transmission shaft 73 in a transmission manner, the left end of the loading rod 74 is movably connected with the right end of the test rod 20, and the loading motor 71 is electrically connected with the control console 18; the loading rod 74 is movably connected with the two supporting baffle rings 63 in an inserting way, and the limiting ring 75 is movably connected between the two supporting baffle rings 63.
In the specific use process of the embodiment, after the clamping and fixing of the elastic chuck body 12 are completed, the elastic chuck body 12 is connected with the air pump 17, the test rod 20 is clamped and fixed on the elastic chuck body 12, the test rod 20 simulates a workpiece clamped on the elastic chuck body 12, then, the control console 18 starts the loading motor 71, the loading motor 71 drives the transmission shaft 73 to rotate through the belt transmission assembly 72, the transmission shaft 73 drives the loading rod 74 to rotate, the loading rod 74 rotates in the supporting stop ring 63, then, the control console 18 starts the loading hydraulic cylinder 16, the loading hydraulic cylinder 16 pulls the supporting slider 66 to move left, the supporting rod 61 is driven to move left, the loading mechanism 7 connected to the supporting rod 61 is driven to move left, the loading rod 74 is driven to contact with the test rod 20, and after the loading rod 74 contacts with the test rod 20, the loading hydraulic cylinder 16 stops working, under the action of the loading rod 74 and the testing rod 20, the state of the elastic chuck body 12 when a cutter works on a workpiece can be simulated, so that the testing state of the elastic chuck body 12 is closer to the actual using state, the testing effect is better, and the test can be repeated.
In the comprehensive embodiment, the clamping hydraulic cylinder 9, the clamping mechanism 4 and the connecting mechanism 3 are arranged, so that the replacement convenience of the elastic chuck body 12 is improved, and the test efficiency is improved; by arranging the test rod 20, the loading mechanism 7, the sliding support mechanism 6 and the loading hydraulic cylinder 16, the test rod 20 simulates a workpiece, and the test rod 20 and the loading mechanism 7 are matched for use, so that the state of the elastic chuck body 12 when a cutter operates on the workpiece can be simulated, the test state of the elastic chuck body 12 is closer to the actual use state, and the reliability test of the elastic chuck body 12 has reproducible conditions, so that the test can be repeated, the test is reliable, the test period is short, the test effect is better, and the data obtained by the test is more valuable; by arranging the connecting mechanism 3, the detector mounting mechanism 5, the displacement sensor 10 and the temperature sensor 11, the detection effect is good, a large amount of detected data is obtained, and the obtained test result is more reliable.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a reliability test device of digit control machine tool elasticity chuck, includes platen (1), its characterized in that: the upper end middle part of the bedplate (1) is fixedly connected with a connecting mechanism (3), the upper end left part of the bedplate (1) is fixedly connected with a supporting frame (8), the upper end right part of the bedplate (1) is provided with a chute (2), the upper end of the supporting frame (8) is fixedly connected with a clamping hydraulic cylinder (9), the output end of the clamping hydraulic cylinder (9) is fixedly connected with a clamping mechanism (4), the right part of the clamping mechanism (4) is movably connected with the upper part of the connecting mechanism (3) in an inserting manner, an elastic chuck body (12) is jointly and movably connected between the clamping mechanism (4) and the connecting mechanism (3), the right end of the elastic chuck body (12) is fixedly clamped with a test rod (20), the right end upper part of the connecting mechanism (3) is fixedly connected with a detector mounting mechanism (5), and a displacement sensor (10) and a temperature sensor (11) are fixedly connected on the detector mounting mechanism (5) in an inserting manner, the four displacement sensors (10) and the four temperature sensors (11) are arranged, the four displacement sensors (10) and the four temperature sensors (11) are distributed in an annular array, the displacement sensors (10) and the temperature sensors (11) are alternately arranged, a sliding support mechanism (6) is arranged at the right part of the upper end of the bedplate (1), the middle lower part of the sliding support mechanism (6) is inserted and movably connected into the chute (2), a loading mechanism (7) is arranged at the upper part of the sliding support mechanism (6), the upper part of the left end of the loading mechanism (7) is movably connected with the right end of the test rod (20), the lower end of the bedplate (1) is fixedly connected with a support enclosing shell (13), a through groove (14) is formed in the right part of the front end of the support enclosing shell (13), and a bottom plate (15) is fixedly connected with the lower end of the support enclosing shell (13), the middle part of the upper end of the bottom plate (15) is fixedly connected with a loading hydraulic cylinder (16), the output end of the loading hydraulic cylinder (16) is fixedly connected with the lower part of the left end of the sliding support mechanism (6), the left part of the front end of the support enclosure shell (13) is fixedly connected with an air pump (17), and the support enclosure shell (13);
the sliding support mechanism (6) comprises a supporting rod (61) and a rotating shaft (65), the rotating shaft (65) is provided with two, the middle lower part of the supporting rod (61) is inserted into the sliding groove (2) in a movable mode, a supporting sliding plate (64) is movably sleeved on the middle lower part of the supporting rod (61), the supporting sliding plate (64) is provided with two supporting sliding plates (64) which are symmetrically arranged up and down, the two supporting sliding plates (64) are movably connected with the supporting rod (61) through the two rotating shafts (65) respectively, a machine base (62) is fixedly connected to the upper part of the right end of the supporting rod (61), a supporting baffle ring (63) is fixedly connected to the right part and the left part of the upper end of the supporting rod (61), a control console (18) is fixedly connected to the middle part of the front end of a supporting sliding block (66) in the lower end of the supporting rod (61), and a base plate (19) is fixedly connected to the lower end of the bottom plate (15), the console (18) is electrically connected with the air pump (17), the loading hydraulic cylinder (16), the temperature sensor (11), the displacement sensor (10), the clamping hydraulic cylinder (9) and the loading mechanism (7);
loading mechanism (7) are including loading motor (71) and loading pole (74), the lower extreme of loading motor (71) and the upper end fixed connection of frame (62), the surface right part cover of loading pole (74) connects fixed spacing ring (75), the right-hand member fixedly connected with transmission shaft (73) of loading pole (74), common transmission is connected with belt drive assembly (72) between the output of loading motor (71) and the right-hand member of transmission shaft (73), the left end of loading pole (74) and the right-hand member swing joint of test rod (20), loading motor (71) and control cabinet (18) electric connection.
2. The reliability testing device for the elastic chuck of the numerical control machine tool according to claim 1, characterized in that: the connecting mechanism (3) comprises a connecting frame (31), the lower end of the connecting frame (31) is fixedly connected with the middle of the upper end of the bedplate (1), a connecting plate (32) is fixedly connected with the upper end of the connecting frame (31), a slot (33) is formed in the middle of the right end of the connecting plate (32), two slots (34) are formed in the front upper portion of the right end of the connecting plate (32) and the front lower portion of the right end of the connecting plate, the two slots (34) are communicated with the slot (33), supporting holes (35) are formed in the right end of the connecting plate (32), the supporting holes (35) are provided with four slots and distributed in an annular array, the slot (33) and the slot (34) are arranged between the four supporting holes (35), and the front portion of the elastic chuck body (12) is inserted into the slot (33) in a penetrating and moving mode.
3. The reliability testing device for the elastic chuck of the numerical control machine tool according to claim 1, characterized in that: clamping mechanism (4) are including clamping board (41), the left end fixedly connected with clamping push plate (42) of clamping board (41), the left end of clamping push plate (42) and the output fixed connection of clamping pneumatic cylinder (9), clamping recess (43) have been seted up at the right-hand member middle part of clamping board (41), four apex angle play equal fixedly connected with support column (44) of department in clamping recess (43), the left part activity joint of elasticity chuck body (12) is in clamping recess (43).
4. The reliability testing device of the elastic chuck of the numerical control machine tool according to claim 3, characterized in that: the left parts of the four supporting columns (44) are movably connected with the left part of the elastic chuck body (12) in a penetrating mode, the right parts of the four supporting columns (44) are movably connected in the supporting holes (35) in a penetrating mode respectively, and the right end of the clamping plate (41) is movably connected with the left end of the connecting plate (32).
5. The reliability testing device for the elastic chuck of the numerical control machine tool according to claim 1, characterized in that: detector installation mechanism (5) include go-between (51), the left end of go-between (51) and the right-hand member fixed connection of connecting plate (32), elasticity chuck body (12) set up in go-between (51), the right-hand member fixedly connected with engaging lug (52) of go-between (51), engaging lug (52) are provided with eight, eight engaging lug (52) are the annular array and distribute, eight jack (53) have all been seted up to the right part of engaging lug (52), displacement sensor (10) and temperature sensor (11) are all pegged graft and are fixed in jack (53).
6. The reliability testing device for the elastic chuck of the numerical control machine tool according to claim 1, characterized in that: the inner side surfaces of the two supporting sliding plates (64) are respectively movably connected with the upper end surface and the lower end surface of the bedplate (1), the lower end surface of the supporting sliding block (66) is movably connected with the upper end surface of the bottom plate (15), and the left end of the supporting sliding block (66) is fixedly connected with the output end of the loading hydraulic cylinder (16).
7. The reliability testing device for the elastic chuck of the numerical control machine tool according to claim 1, characterized in that: the loading rod (74) and the two supporting baffle rings (63) are movably connected in a penetrating mode, and the limiting ring (75) is movably connected between the two supporting baffle rings (63).
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| CN202011512212.XA CN112461531B (en) | 2020-12-19 | 2020-12-19 | Reliability test device for elastic chuck of numerical control machine tool |
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| CN113776816B (en) * | 2021-11-15 | 2022-02-22 | 济宁冠杰数控机床股份有限公司 | Reliability test device for elastic chuck of numerical control machine tool |
| CN115560975B (en) * | 2022-11-09 | 2023-03-21 | 山东海鲲数控设备有限公司 | Reliability test equipment for elastic chuck of numerical control machine tool |
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| SU665996A1 (en) * | 1977-12-06 | 1979-06-05 | Ташкентский Политехнический Институт Им. Беруни | Gauge for checking chuck quality |
| CN103149020B (en) * | 2013-02-16 | 2016-06-08 | 清华大学 | Hydraulic power chuck clamping stiffness measurement device |
| CN104019986A (en) * | 2014-06-24 | 2014-09-03 | 沈阳机床(集团)有限责任公司 | Reliability loading testing device and method for main shaft of numerically controlled lathe |
| CN105588718B (en) * | 2016-03-17 | 2017-11-10 | 吉林大学 | Machine tool chief axis combination property detection/monitoring test system and method |
| CN107941500A (en) * | 2017-12-20 | 2018-04-20 | 吉林大学 | The reliability test of numerically-controlled machine tool elasticity chuck |
| CN108972149B (en) * | 2018-09-07 | 2023-06-23 | 吉林大学 | Numerical control tool rest machining precision and rotation precision retention test device and detection method |
| CN210435835U (en) * | 2019-07-24 | 2020-05-01 | 青海华鼎重型机床有限责任公司 | Quick verifying attachment of wheel lathe reliability axis feeding loading |
| CN211604527U (en) * | 2020-03-19 | 2020-09-29 | 西安理工大学 | Lathe cutting simulation manipulator |
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