CN203940991U - The mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force - Google Patents
The mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force Download PDFInfo
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- CN203940991U CN203940991U CN201420337610.6U CN201420337610U CN203940991U CN 203940991 U CN203940991 U CN 203940991U CN 201420337610 U CN201420337610 U CN 201420337610U CN 203940991 U CN203940991 U CN 203940991U
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- afterburning
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Abstract
The utility model discloses a kind of mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force and comprises: the cutter shaft being connected with main axle unit, be arranged on the bearing seat on cutter shaft, be installed in the afterburning ball of bearing seat both sides, force transmission mechanism and power load maintainer, force transmission mechanism, comprise the afterburning seat that is arranged on line slideway-slide block and there is coaxial aperture, be arranged on U-shaped of afterburning seat one end and be arranged on the afterburning inclined-plane of U-shaped one end, the axle of U-shaped coordinates with the coaxial aperture of afterburning seat, and afterburning ball is placed on afterburning inclined-plane; Power load maintainer is connected with afterburning seat, comprises differential screw mandrel micro-feed mechanism and/or cylinder load maintainer.Solved the test of main shaft test cutting force this device economically feasible, and various working conditions that can analog main shaft unit, reach time saving and energy saving, efficient energy-saving.
Description
Technical field
The utility model relates to cutting force simulation test field, is specifically related to a kind of mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force.
Background technology
Main axle unit is the key feature of numerically-controlled machine, and the processing characteristics of lathe is had to important impact.The load of main shaft refers to the force and moment that it occurs in the course of the work; It is to control the important means of product quality, checking properties of product that main axle unit is carried out to load test.The angle forming from main shaft self, the performance of moment load test and spindle motor contacts tightr, and the loading of cutting force biases toward considering of main shaft supporting structure, spring bearing performance.In test or test process, the power of simulation loading, moment normally realize respectively.
Current cutting force analogy method is divided into two classes substantially: contact loads and contactless loading.Contactless loading normally realizes by solenoid, the shortcoming of this method be mainly cost higher, easily produce electromagnetic interference (EMI).Contact loading method mainly comprises two kinds of approach: the one, by control cylinder or cylinder pressure, realize; The one, by determining the turning moment of moment or force moment spanner with digital display control jackscrew, indirectly converse the acting force being loaded on main shaft handle of a knife.But the unavoidable defect of these methods is only to accomplish that the simulation of single direction is pure radial force or axial force, the error of loading force is larger, and do not consider the impact of loading system rigidity on test findings, and the rigidity difference of loading system also can produce different impacts to test findings.Therefore the problem that the test of high-speed main spindle power exists at present has: the method for employing monitoring cylinder or cylinder pressure is not considered the friction of piston and cylinder body, or the demarcation of friction force also exists inaccurate problem; Adopt the means of the indirect controlled loading power such as dial torque wrench, the error that cannot avoid the intermediate links such as spanner self error and screw thread pair friction to introduce; Not only price is very high for some multidirectional power sensor testing system, and application conditions restriction is more; Contactless detection means need to embed complicated wireless signal transmission or optoelectronic device on main shaft handle of a knife, and expensive.
Summary of the invention
The problem existing in order to solve prior art, the utility model discloses a kind of mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force, this device is by being provided with main axle unit, force transmission mechanism and power load maintainer, not only solved the test of main shaft test cutting force economically feasible, also solved radially be axially subject to load loading force while thering is resultant direction simultaneously simultaneously and measured an inaccurate difficult problem, the Different Effects of having avoided the rigidity difference of power load maintainer to produce test findings.Make a kind of device get final product the various working conditions of analog main shaft unit, reach time saving and energy saving, efficient energy-saving.
The technical scheme that the mechanical hook-up that the utility model loads for high-speed main spindle unit multi-angle Milling Force adopts is:
The mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force, comprise: the cutter shaft being connected with main axle unit, be arranged on the bearing seat on cutter shaft, be installed in the afterburning ball of bearing seat both sides, force transmission mechanism and power load maintainer, described force transmission mechanism, comprise the afterburning seat that is arranged on line slideway-slide block and there is coaxial aperture, be arranged on U-shaped of afterburning seat one end and be arranged on the afterburning inclined-plane of U-shaped one end, the axle of U-shaped coordinates with the coaxial aperture of afterburning seat, and afterburning ball is placed on afterburning inclined-plane; Described power load maintainer is connected with afterburning seat, comprises differential screw mandrel micro-feed mechanism and/or cylinder load maintainer.
The described mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force, also comprises annular pressure sensor, and described annular pressure sensor setting is in afterburning seat and the axle between U-shaped.
The described mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force, in described afterburning inclined-plane, the angle of inclined-plane and surface level is α, 0 °≤α≤90 °.
The described mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force, one end and the inside of described U-shaped are respectively equipped with tapped through hole, afterburning inclined-plane is provided with U-shaped one end being connected the screw thread shrinkage pool matching with U-shaped internal whorl through hole, stretching screw is placed in screw thread shrinkage pool and U-shaped internal whorl through hole, and afterburning inclined-plane is fixed on U-shaped by stretching screw and the lock-screw that is placed in a U-shaped end tapped through hole.
The described mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force, described differential screw mandrel micro-feed mechanism comprises differential support, differential screw mandrel is provided with hold-down nut and feed nut successively from head end to end, hold-down nut is fixed on differential support, the tail end of feed nut is provided with screw rod and nut, and connection gusset is arranged on screw rod and with afterburning seat and is connected.
The described mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force, described differential screw mandrel has two sections of different pitch P
1, P
2, pitch P
1coordinate pitch P with hold-down nut
2coordinate pitch P with feed nut
2be greater than pitch P
1.
The described mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force, the head end of described differential screw mandrel is provided with pointer and index dial, and index dial is provided with decile groove.
The described mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force, described cylinder load maintainer comprises the cylinder being arranged on cylinder mount pad, stretches out the cylinder rod of cylinder outside, cylinder rod is connected with the other end of afterburning seat by bindiny mechanism.
The described mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force, described bindiny mechanism comprises the thread bush that is arranged on cylinder rod end and locks by screw, join merga pass screw II the top cover of closing with thread bush, screw I is successively through packing ring II, thread bush, top cover and packing ring I, be connected with the other end of afterburning seat, between packing ring I and packing ring II, be provided with spring.
The described mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force, the screw I between described top cover and thread bush is provided with annular catch, and the external diameter that the internal diameter of annular catch is greater than spring is less than the external diameter of packing ring II.
The beneficial effects of the utility model are:
Cylinder load maintainer and differential micro-feed mechanism that mechanical hook-up of the present utility model adopts are not to directly act on main shaft, but pass through afterburning seat, U-shaped and afterburning ramp effect on afterburning ball by force transmission mechanism, by afterburning ball, by bearing seat and cutter shaft, acted on main shaft again, line slideway-slide block by the moment of flexure that is existed by load angle and cause in force transmission mechanism is born, and to solve loading force, measures an inaccurate difficult problem.
Two kinds of feeding powers sources of the compatible cylinder load maintainer of mechanical hook-up of the present utility model and differential micro-feed mechanism, cylinder is in the afterbody of U-shaped frame, the operating mode that while the material such as cutting aluminum alloy for analog main shaft, cutting speed is high, cutting force is little; The top of differential attachment in afterburning seat, and be arranged on differential support the operating mode that during for materials such as analog main shaft cutting steel, cast irons, cutting speed is relatively low, cutting force is larger.
Cylinder is fixed on testing table by cylinder mount pad, and two the part thread bush and the top covers that cooperatively interact are equipped with in cylinder rod end, and when cylinder rod stretches out, the afterburning seat of tail end promotion, U-shaped frame and afterburning inclined-plane that top cover acts on afterburning seat advance; When cylinder rod is retracted, the catch being arranged between thread bush and top cover will be hampered by packing ring and the mounting screw that is arranged on afterburning seat axle tail end, thereby pulls U-shaped frame and afterburning seat to retreat.By controlling the packing ring screw-in depth of screw when mounted, between assurance packing ring and catch, in suitable relative position relation, when being worked respectively with differential attachment, cylinder there is not phase mutual interference.
By the setting of the micro-feeding structure of differential leading screw, differential screw mandrel is processed into respectively different pitch from the matching thread of feed nut and hold-down nut, the index dial with scale division line is fixed on head end on differential screw mandrel, when a scale of the differential screw mandrel feeding of rotation, the attainable amount of feeding will be less than 1 μ.The tail end of feed nut is fixed a screw rod, and feed motion is delivered to afterburning seat by the connection gusset being arranged on screw rod.
Afterburning seat, together with a straight line guide rails assembling, and coordinates the slide block that forms sliding pair to be fixed on testing table with guide rail; The axle of U-shaped frame tail end is rotatably assorted with two coaxial apertures formation of afterburning seat, and U-shaped frame front end is fixed two afterburning inclined-planes; The feed motion of transmitting by afterburning seat will act on two afterburning balls that are fixed on bearing seat, and then acts on cutter shaft, forms loading force.
Annular pressure sensor is clipped in afterburning seat with between U-shaped, and its center pit passes U-shaped frame axle, this uncertain factors such as friction that can get rid of cylinder and drive disk assembly in loading procedure impact on test result.Be contained in the spring of U-shaped frame afterbody all the time in compressed state, guarantee the position relationship fitting tightly between U-shaped frame, annular pressure sensor, afterburning seat.The reading of pressure transducer is read by data acquisition card, processes, with the composition analysis data such as the rotating position signal of main shaft, vibration signal through follow-up data.
Afterburning inclined-plane afterbody by screw strain, top by grip gasket by screw in compression the front end at U-shaped, directional correlation is with joint efforts tested with main shaft in the angle of inclination on afterburning inclined-plane, the normal direction on inclined-plane is the force direction that is subject to of main shaft.The afterburning inclined-plane that needs replaceable different angles according to test.
Accompanying drawing explanation
Fig. 1 is that the utility model is for the structural representation of the mechanical hook-up of high-speed main spindle unit multi-angle Milling Force loading.
Fig. 2 is the schematic diagram of differential screw mandrel micro-feed mechanism in the utility model.
Fig. 3 is the cut-open view of YuUXing Jia coupling part, afterburning inclined-plane in the utility model.
Fig. 4 is the structural scheme of mechanism of cylinder load maintainer in the utility model.
Fig. 5 be in Fig. 4 cylinder load maintainer cylinder rod by bindiny mechanism the structure cut-open view with afterburning seat coupling part.
1-main axle unit wherein, 2-bearing seat, the differential screw mandrel of 3-, 4-pointer, 5-hold-down nut, 6-feed nut, 7-nut, the differential support of 8-, 9-index dial, the afterburning seat of 10-, 11-pressure transducer, 12-U type frame, 121-axle, 13-steps up pad, the afterburning inclined-plane of 14-, 15-cutter shaft, the afterburning ball of 16-, 17-connects gusset, 18-line slideway-slide block, 19-screw I, 20-packing ring I, 21-annular catch, 22-packing ring II, 23-cylinder rod, 24-screw, 25-thread bush, 26-spring, 27-top cover, 28-adjusts pad, 29-screw III, 30-set screw, 31-cylinder mount pad, 32-lock-screw, 33-stretching screw, 34-screw II, 35-cylinder.
Embodiment
As Figure 1-5, the mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force, comprises the cutter shaft 15 being connected with main axle unit 1, is arranged on the bearing seat 2 on cutter shaft 15, is installed in the afterburning ball 16 of bearing seat 2 both sides, force transmission mechanism and power load maintainer.As shown in Figure 1, main axle unit 1 is fixedly connected on testing table, and one end of main axle unit 1 is connected with cutter shaft 15, and cutter shaft 15 is provided with bearing seat 2, and the two ends of bearing seat 2 are installed with afterburning ball 16; Force transmission mechanism, comprise the afterburning seat 10 that is arranged on line slideway-slide block 18 and there is coaxial aperture, be arranged on U-shaped 12 of afterburning seat 10 head ends and be arranged on the afterburning inclined-plane 14 of U-shaped 12 head ends, the axle 121 of U-shaped 12 tail ends coordinates with the coaxial aperture of afterburning seat 10, the axis of the axle 121 of U-shaped 12 is vertical with the axis of main shaft in main axle unit 1, in the axle 121 between afterburning 10 and U-shaped 12, annular pressure sensor 11 is set, afterburning ball 16 is placed on afterburning inclined-plane 14; The angle of afterburning 14Zhong inclined-plane, inclined-plane and surface level is α, 0 °≤α≤90 °.
Power load maintainer is connected with afterburning seat 10, comprises differential screw mandrel micro-feed mechanism and/or cylinder load maintainer.
Power load maintainer is delivered to main axle unit 1 by force transmission mechanism by loading force, the angle on the afterburning inclined-plane 14 in force transmission mechanism is associated with the resultant direction of main axle unit 1, the force status corresponding to afterburning inclined-plane 14 of different angles, power load maintainer provides the selection of power source for concrete force status, afterburning seat 10 in force transmission mechanism is arranged on line slideway-slide block, guarantees that power load maintainer only provides axial force not bear bending compound.The concrete numerical value of loading force reads by the pressure transducer 11 between afterburning 10 and U-shaped 12.
Preferably, as shown in Figure 3, head end portion and the inside of U-shaped 12 are respectively equipped with tapped through hole, one end that afterburning inclined-plane 14 is connected with U-shaped 12 head ends is provided with the screw thread shrinkage pool matching with U-shaped 12 internal whorl through holes, stretching screw 33 is placed in screw thread shrinkage pool and U-shaped 12 internal whorl through holes, and afterburning inclined-plane 14 is fixed on U-shaped 12 by stretching screw 33 and the lock-screw 32 that is placed in a U-shaped end tapped through hole.Afterburning inclined-plane 14 afterbodys are strained by stretching screw 33, top compresses by lock-screw 32 and grip gasket 13 is fastened on the front end of U-shaped 12, the directional correlation that the angle of inclination on afterburning inclined-plane 14 and main shaft test are made a concerted effort, according to the needs of test, the afterburning inclined-plane 14 of replaceable different angles.When the angle of afterburning inclined-plane 14 and surface level is α=90 °, for main shaft in main axle unit 1, it is pure radial loaded, the reading of pressure transducer 11 is exactly the numerical value of radial loaded power, when 90 ° of 0 ° of < α <, the reading of pressure transducer 11 is the loading of all directions numerical value of making a concerted effort.
Differential screw mandrel micro-feed mechanism comprises differential support 8 as shown in Figure 1, differential screw mandrel 3 is provided with hold-down nut 5 and feed nut 6 successively from head end to end, hold-down nut 5 is fixed on differential support 8, the tail end of feed nut 6 is connected with screw rod and nut 7, and connection gusset 17 is arranged on screw rod and with afterburning seat 10 and is connected.The head end of differential screw mandrel 3 is provided with pointer 4 and index dial 9, and index dial 9 is provided with decile groove.Differential screw mandrel 3 is arranged to have two sections of different pitch P as shown in Figure 2
1, P
2, pitch P
1coordinate pitch P with hold-down nut 5
2coordinate pitch P with feed nut 6
2be greater than pitch P
1.Wherein hold-down nut 5 maintains static, and differential screw mandrel 3 rotates simultaneously and be mobile, and other feeding execution units that feed nut 6 is communicated with differential micro-feed mechanism move, and differential screw mandrel 3 often revolves and turns around, and the amount of feeding of differential micro-feed mechanism is P
2-P
1, realized differential feed.For example by two sections of differential screw mandrel 3, be processed into respectively pitch P
1=1.5mm, P
2=1.75mm, index dial 9 is made 300 grades at circumference and is divided groove, and the scale turning over has that pointer 4 is auxiliary to be read, and forms thus one and can realize the differential screw mandrel micro-feed mechanism that the minimum amount of feeding is less than 1 μ.So small amount of feeding is conducive to obtain the experimental data sample of sufficient amount in experimentation.
As shown in Fig. 4-5, cylinder load maintainer comprises the cylinder 35 being arranged on cylinder mount pad 31, stretches out the cylinder rod 23 of cylinder 35 outsides, and cylinder rod 23 is connected with the afterbody of afterburning seat 10 by bindiny mechanism.Bindiny mechanism comprises the thread bush 25 that is arranged on cylinder rod 23 ends and locks by screw 24 as shown in Figure 5, join merga pass screw II 34 the top cover 27 of closing with thread bush 25, screw I 19 is successively through packing ring II 22, thread bush 25, top cover 27 and packing ring I 20, be connected with the axle 121 of U-shaped 12 of afterburning seat 10 afterbodys, between packing ring I 20 and packing ring II 22, be provided with spring 26.Screw I 19 between top cover 27 and thread bush 25 is provided with annular catch 21, and the external diameter that the internal diameter of annular catch 21 is greater than spring 26 is less than the external diameter of packing ring II 22.
When cylinder rod 23 stretches out by pressed gas, top cover 27 promotes afterburning seat 10 advances, and when the afterburning inclined-plane 14 on U-shaped 12 is hampered by afterburning ball 16, on pressure transducer 11, will show pressure reading; When cylinder rod 23 is retracted, after a bit of idle motion of passing by, catch 21 will contact in packing ring I 20, and then pull afterburning seat 10 to retreat by screw 19, and afterburning inclined-plane 14 and afterburning ball 16 are departed from.
Preferably, as shown in Figure 4, cylinder 35 is placed on cylinder mount pad 31 by adjusting pad 28, cylinder 35 can be by adjusting the thickness of pad 28 and the screw-in depth that control is arranged on the set screw 30 of cylinder 35 both sides, make the direction of motion of stretching out (retraction) direction and line slideway-slide block 18 of cylinder rod 23 parallel to each other, after adjustment, by screw III 29, cylinder 35 is being fixed on cylinder mount pad 31.
Claims (10)
1. the mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force, it is characterized in that comprising: the cutter shaft being connected with main axle unit, be arranged on the bearing seat on cutter shaft, be installed in the afterburning ball of bearing seat both sides, force transmission mechanism and power load maintainer, described force transmission mechanism, comprise the afterburning seat that is arranged on line slideway-slide block and there is coaxial aperture, be arranged on U-shaped of afterburning seat one end and be arranged on the afterburning inclined-plane of U-shaped one end, the axle of U-shaped coordinates with the coaxial aperture of afterburning seat, and afterburning ball is placed on afterburning inclined-plane; Described power load maintainer is connected with afterburning seat, comprises differential screw mandrel micro-feed mechanism and/or cylinder load maintainer.
2. the mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force according to claim 1, is characterized in that, also comprises annular pressure sensor, and described annular pressure sensor setting is in afterburning seat and the axle between U-shaped.
3. the mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force according to claim 1, is characterized in that, in described afterburning inclined-plane, the angle of inclined-plane and surface level is α, 0 °≤α≤90 °.
4. the mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force according to claim 1, it is characterized in that, one end and the inside of described U-shaped are respectively equipped with tapped through hole, afterburning inclined-plane is provided with U-shaped one end being connected the screw thread shrinkage pool matching with U-shaped internal whorl through hole, stretching screw is placed in screw thread shrinkage pool and U-shaped internal whorl through hole, and afterburning inclined-plane is fixed on U-shaped by stretching screw and the lock-screw that is placed in a U-shaped end tapped through hole.
5. according to the arbitrary described mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force of claim 1-4, it is characterized in that, described differential screw mandrel micro-feed mechanism comprises differential support, differential screw mandrel is provided with hold-down nut and feed nut successively from head end to end, hold-down nut is fixed on differential support, the tail end of feed nut is provided with screw rod and nut, and connection gusset is arranged on screw rod and with afterburning seat and is connected.
6. the mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force according to claim 5, is characterized in that, described differential screw mandrel has two sections of different pitch P
1, P
2, pitch P
1coordinate pitch P with hold-down nut
2coordinate pitch P with feed nut
2be greater than pitch P
1.
7. the mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force according to claim 6, is characterized in that, the head end of described differential screw mandrel is provided with pointer and index dial, and index dial is provided with decile groove.
8. according to the arbitrary described mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force of claim 1-4, it is characterized in that, described cylinder load maintainer comprises the cylinder being arranged on cylinder mount pad, stretch out the cylinder rod of cylinder outside, cylinder rod is connected with the other end of afterburning seat by bindiny mechanism.
9. the mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force according to claim 8, it is characterized in that, described bindiny mechanism comprises the thread bush that is arranged on cylinder rod end and locks by screw, join merga pass screw II the top cover of closing with thread bush, screw I is successively through packing ring II, thread bush, top cover and packing ring I, be connected with the other end of afterburning seat, between packing ring I and packing ring II, be provided with spring.
10. the mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force according to claim 9, it is characterized in that, screw I between described top cover and thread bush is provided with annular catch, and the external diameter that the internal diameter of annular catch is greater than spring is less than the external diameter of packing ring II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420337610.6U CN203940991U (en) | 2014-06-23 | 2014-06-23 | The mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420337610.6U CN203940991U (en) | 2014-06-23 | 2014-06-23 | The mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203940991U true CN203940991U (en) | 2014-11-12 |
Family
ID=51860295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420337610.6U Withdrawn - After Issue CN203940991U (en) | 2014-06-23 | 2014-06-23 | The mechanical hook-up loading for high-speed main spindle unit multi-angle Milling Force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203940991U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034523A (en) * | 2014-06-23 | 2014-09-10 | 沈阳机床(集团)有限责任公司 | Mechanical device for multi-angle milling force loading of high-speed spindle unit |
| CN111929063A (en) * | 2020-07-28 | 2020-11-13 | 人本集团有限公司 | Damper bearing test tool |
-
2014
- 2014-06-23 CN CN201420337610.6U patent/CN203940991U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034523A (en) * | 2014-06-23 | 2014-09-10 | 沈阳机床(集团)有限责任公司 | Mechanical device for multi-angle milling force loading of high-speed spindle unit |
| CN111929063A (en) * | 2020-07-28 | 2020-11-13 | 人本集团有限公司 | Damper bearing test tool |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141112 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |