CN107796348A - A kind of cold press measurement apparatus - Google Patents
A kind of cold press measurement apparatus Download PDFInfo
- Publication number
- CN107796348A CN107796348A CN201711286218.8A CN201711286218A CN107796348A CN 107796348 A CN107796348 A CN 107796348A CN 201711286218 A CN201711286218 A CN 201711286218A CN 107796348 A CN107796348 A CN 107796348A
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- China
- Prior art keywords
- hole
- push
- down head
- chaining pin
- steel plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 45
- 238000006073 displacement reaction Methods 0.000 claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 claims description 44
- 239000010959 steel Substances 0.000 claims description 44
- 238000001514 detection method Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000007667 floating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004826 seaming Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
Abstract
The present invention provides a kind of cold press measurement apparatus, its supporting mechanism for including measuring mechanism and supporting the measuring mechanism, the measuring mechanism includes push-down head, support the base of the push-down head, the chaining pin and displacement transducer that is coaxial with the chaining pin and being placed in the base being placed in the push-down head, bent axle is pressed in being higher by the boss of upper surface of the push-down head, the pump housing is pressed on the chaining pin, the lower end of the chaining pin of the part in the through hole of the push-down head side is placed on institute's displacement sensors, the upper end of institute's displacement sensors is placed in first through hole that is coaxial with the through hole and being communicated with the base upper surface.So, measurement assembly is combined with support component, and measurement point is nearer with the strong point, and the slant setting of workpiece does not influence measurement result；Piston is added between chaining pin and displacement transducer, avoids the direct contact displacement sensor of chaining pin, reduces the fault rate of displacement transducer.
Description
Technical field
The present invention relates to cold press equipment technical field, more particularly to a kind of cold press measurement apparatus.
Background technology
When with cold press, compressor drum cold pressing is entered in compressor crank shaft, bent axle 4 is sleeved on the pump housing 5, but bent axle
Certain interval be present between covering of the fan 41 and the lower surface 51 of the pump housing, as shown in Figure 12 and Figure 13, i.e., withstand on bent axle on push-down head
When, the pump housing can also push certain distance (2 to 6 millimeters), because tolerance during fabrication all be present in bent axle and the pump housing, this
Distance is individual different and different because bent axle and the pump housing, is needed before entering to be about to rotor and being cold-pressed on bent axle 4 according to compression
Gap up and down between bent axle and the pump housing that machine producer provides sets the position of the pump housing, and this is just needed between bent axle and the pump housing
Gap up and down measure, so that it is determined that the position of the pump housing 5；Existing measurement gap value device support bent axle mechanism with
Measuring mechanism is provided separately, and support bent axle point and measurement pump housing point are distant, and the inclination of workpiece has a great influence to measured value.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of support bent axle point and measurement point cold pressing closer to the distance
Machine measurement apparatus.
The cold press measurement apparatus of the present invention, which includes measuring mechanism, includes measuring mechanism, and the measuring mechanism includes pushing
Head, the base for supporting the push-down head, the chaining pin being placed in the push-down head and the displacement transducer of the detection chaining pin displacement,
There is first through hole, in the upper surface opening of the push-down head, the chaining pin is configured at the first through hole in the push-down head
The first through hole and its upper end stretching first through hole, boss is provided with the upper surface of the push-down head, is measured
When bent axle be pressed in being higher by the boss of upper surface of the push-down head, compressor pump is pressed on the chaining pin.
The measurement point of this cold press measurement apparatus and the strong point are nearer, measured value are influenceed when workpiece tilts little；It will survey
The support component of measuring mechanism：Base and push-down head and measurement assembly：Chaining pin, displacement transducer are combined, and reduce part
Quantity, save cost.
Preferably, be provided with the second through hole in the base, second through hole the base upper surface opening, with institute
State first through hole connection, the measuring mechanism also includes the piston that is placed in the second through hole, and the lower end of the chaining pin is stood on described
On piston upper surface, the upper-end contact of the piston lower surface and institute's displacement sensors.
Piston is added between chaining pin and displacement transducer, the direct contact displacement sensor of chaining pin is avoided, reduces position
The fault rate of displacement sensor.
Preferably, the measuring mechanism also includes the spring and spacing ring being placed in second through hole, the spring is put
Between the piston and the spacing ring, and the outside of institute's displacement sensors is enclosed on, the spacing ring lower end is placed in described
On the step of displacement transducer.
Add spring and spacing ring so that the distance that piston moves down is restricted, displacement biography when spring is pressed onto the limit
The range of sensor is not also full, protects displacement transducer, adds the service life of displacement transducer.
Communicated preferably, the base also has with the base lower surface and the threeway coaxial with second through hole
Hole, institute's displacement sensors lower end are placed in the third through-hole.
Increase third through-hole, be restricted the amplitude that the lower end of displacement transducer is swung, ensure that accuracy of measurement.
Preferably, also include being used to fix institute's displacement sensors between second through hole and the third through-hole
Holding seat.
Hold seat tightly and fix displacement transducer, ensure that sensor measurement accuracy.
Compared with prior art, its advantage is the present invention：The measurement assembly of chaining pin, piston and displacement transducer composition
The support component formed with base and push-down head fits together composition measuring mechanism, measurement point (pump housing contacts with chaining pin) and branch
Support point (bent axle is pressed on the boss of push-down head) is relatively near, and the slant setting of workpiece does not influence measurement result, in addition measurement assembly with
After support component zoarium, number of parts is reduced, and saves cost；Piston is added between chaining pin and displacement transducer, is avoided
The direct contact displacement sensor of chaining pin, reduce the fault rate of displacement transducer；The presence of spacing ring make it that piston moves down away from
From being restricted, displacement transducer is protected, adds the service life of displacement transducer；Square holding seat fixes displacement biography
Sensor, it ensure that sensor measurement accuracy.
Brief description of the drawings
Fig. 1 is a kind of stereogram of cold press measurement apparatus；
Fig. 2 is a kind of sectional view of cold press measurement apparatus；
Fig. 3 is Fig. 2 partial view；
Fig. 4 is one of structure chart of push-down head；
Fig. 5 is the two of the structure chart of push-down head；
Fig. 6 is the structure chart of base；
Fig. 7 is a kind of cold press measurement apparatus and the installation diagram of the bent axle pump housing；
Fig. 8 is one of structure chart of supporting mechanism 2；
Fig. 9 is the two of the structure chart of supporting mechanism 2；
Figure 10 is the installation diagram of bent axle, the pump housing and supporting mechanism 2；
Figure 11 is the structure chart of hold-down mechanism；
Figure 12 is the installation diagram of bent axle and the pump housing；
Figure 13 is the structure chart of bent axle.
Embodiment
A kind of cold press measurement apparatus, it includes measuring mechanism 1 and supporting mechanism 2；Measuring mechanism 1 measures compressor pump
Body pushes displacement；Supporting mechanism 2 is supported to measuring mechanism 1, and the difference for measurement compressor pump pushes displacement and carried
For supporting.
<Measuring mechanism 1>
Fig. 1 and Fig. 2 is a kind of stereogram and sectional view of the measuring mechanism 1 of cold press measurement apparatus respectively, and Fig. 3 is Fig. 2
Partial enlarged drawing at I, measuring mechanism 1 include push-down head 11, chaining pin 12, piston 13, spring 14, spacing ring 15, holding seat
16th, base 17 and displacement transducer 18；
The boss 111 of the lower end of push-down head 11 is placed in the groove 171 to match with boss 111 of the upper end of base 17, base
17 are supported to push-down head 11 from below, and limit the horizontal direction of push-down head 11 with the cooperation of boss 111 and groove 171
Displacement；
Fig. 4 and Fig. 5 is the structure chart of push-down head 11, and Fig. 6 is the structure chart of base 17, chaining pin 12 it is vertical pass through push-down head
The vertical through hole 112 (this is first through hole) of 11 sides, and stand on the upper surface of circular piston 13；Piston 13, spring 14, limit
Position ring 15 and displacement transducer 18 are sequentially placed into (during the confined state) coaxial with hole 112 and the bottom of base 17 from top to bottom respectively
In the through hole 172 that the upper surface of seat 17 communicates (this is the second through hole), the spring of the outside of the upper end of displacement transducer 18 is enclosed on
Upper end supports piston 13, and lower end is stood on spacing ring 15；The upper end of displacement transducer 18 is built in positioned at the lower end in hole 172
In the hole 151 of spacing ring 15, the lower end that its lower end is placed through base 17 communicates with the coaxial lower surface with base 17 in hole 172
Through hole 173 (this is third through-hole)；Spacing ring 15 is placed in the lower end of through hole 172 and is internally provided with displacement transducer 18,
The lower end of spacing ring 15 be placed in hold tightly seat 16 upper end, be arranged at circular piston 13 lower surface and spacing ring 15 upper surface it
Between spring 14, due to the rigid presence of spring itself, when spring is compressed to the limit, displacement transducer 18 is also not reaching to
Full scale, this is effectively increased the service life of displacement transducer；The holding seat 16 being assemblied between through hole 172 and 173 fills
It is a cuboid during with state, its center is provided with a through hole 161 equal with the external diameter of displacement transducer 18, holds tightly
The cuboid being mutually matched rived for two diameters along through hole 161 during 16 non-confined state of seat, by displacement sensing during assembling
Device 18 is fixed in through hole 161, prevents displacement transducer 18 from moving radially, and two cuboids are bolted on together.
The measurement process of measuring mechanism 1 is illustrated below：
Base 17 is fixed on supporting mechanism 2 during use, Fig. 7 is bent axle, compressor pump and the compressor measuring machine
The installation diagram of structure 1, during measurement, compressor crank shaft 4 and the pump housing 5 move downward in the presence of hold-down mechanism together, and compressor is bent
The covering of the fan 41 of axle 4 contacts with the boss 113 of push-down head 11, the contact of lower surface 51 chaining pin 12 of compressor pump 5, under hold-down mechanism
Chaining pin 12 is pressed, the forces piston 13 of chaining pin 12 is pressed, while piston 13 pushes displacement transducer 18, is placed in piston 13 and spacing ring 15
Between spring 14 also compressed by the compressing of piston 13, displacement transducer 18 shows reading under the compressing of piston 13, complete
Into measurement process；
The support component that the measurement assembly of chaining pin, piston and displacement transducer composition forms with base and push-down head is assembled in
Measuring mechanism is formed together, and measurement point (pump housing contacts with chaining pin) and the strong point (bent axle is pressed on the boss of push-down head) are nearer；
Piston 13 is added between chaining pin 12 and displacement transducer 18, avoids chaining pin 12 from directly being contacted with displacement transducer 18, reduces
The fault rate of displacement transducer 18；Chaining pin 12 and displacement transducer 18 can be purchased directly, and structure is all easy to clean, and when replacing
During compressor kind, the chaining pin 12 of different length is convenient for changing；The measurement that chaining pin 12, piston 13 and displacement transducer 18 are formed
The support component that component and base 12 form with push-down head 11 fits together, and reduces piece count, saves manufacturing cost,
And support bent axle point push-down head boss 113 is closer to the distance with measurement point, the inclination of workpiece influences less on measured value.This mechanism can be wide
In the general non-standard equipment applied to geometry accurate measurement.
<Supporting mechanism 2>
Fig. 8 and Fig. 9 is the structure chart of supporting mechanism 2, and Figure 10 is supporting mechanism 2 and bent axle 4 and the installation diagram of the pump housing 5, is propped up
Support mechanism 2 is arranged on the base of compressor drum cold press, and it includes working plate positioning component 21, steel plate component 22, cylinder
Component 23, linear bearing 24, optical axis component 25, floating cylinder component 26, steel plate pad component 27 and guide rail 28；
Working plate positioning component 21 include two be respectively arranged in steel plate 221 (the first steel plate) it is diagonal on the He of pin 211
212, the hole 2241 and 2242 that pin 211 and 212 is separately inserted on the working plate 226 being placed in above steel plate is inner to working plate 226
Positioned；
Optical axis 251-254 is placed in the lower section of steel plate 221 and is connected therewith, while optical axis 251-254 is corresponding respectively packs into peace
In the linear bearing 241-244 on steel plate 222 (the second steel plate), and move up and down, install in linear bearing 241-244
The piston rod that floating cylinder 261 and 262 on steel plate 222 stretches out supports steel plate 221, the normal open gas of cylinder 261 and 262, i.e.,
The state of supporting steel plate 221 is always maintained at, now cylinder 261 and 262 uses as gas spring；
When bent axle pushes the push-down head 11 being installed on steel plate 221, four column strengths of supporting steel plate 222 are inadequate,
Need to increase steel plate cushion block 271 and 272 in the lower section of steel plate 222, installed in the jack-up steel plate 224 of the both sides of steel plate 222 and 225 points
Do not jacked up in the presence of the jack-up cylinder 232 and 231 being installed on steel plate 223, after jacking up in place, installed in steel plate
On 223 (the 3rd steel plates) exposure mechanism for pushing away steel plate cushion block cylinder 233 and 234 of both sides push respectively steel plate cushion block 271 along
Guide rail 281 and 282, steel plate cushion block 272 are along the move toward one another of guide rail 283 and 284, in steel plate cushion block 271 and 272 in steel plate
During 222 lower section, cylinder 233 and 234 is stopped, and cylinder 231 and the work of cylinder 232 make piston rod retract, 222 times landing of steel plate
On steel plate cushion block 271 and 272；During steel plate 222 is jacked up, stood on through steel plate 222 on steel plate 223 and spiral shell therewith
Tether the four optical axis 255-258 connect and play jack-up guide effect.
Hold-down mechanism 3 shown in Figure 11 is placed in the top of bent axle 4 and the pump housing 5, and compression is fixed on by steel plate 343 and 344
In four root post (not shown)s of machine rotor cold press, the exposure mechanism of two compression cylinders 311 and 312 passes through lower compressed steel respectively
When plate 341 and 342 pushes the pump housing 5, linear bearing 351-354 moves downward respectively along four root posts；
The clearance measurement principle between the lower surface 51 to the pump housing 5 and the covering of the fan 41 of bent axle 4 illustrates below：
When measuring, bent axle 4 and the pump housing 5 are placed on working plate 226, and the exposure mechanism of compression cylinder 311 and 312 pushes
Steel plate 341 and 342, steel plate 345 are fixedly connected with steel plate 341 and 342, are compressed column assembly 35 and are placed on steel plate 345, are placed in steel plate
The support guide of pressed seat 35 set 32 on 345 prevents its whereabouts, and four hold-down columns 352 compress the pump housing 5, is socketed with the pump housing 5
Bent axle 4 is also pressed on the boss 113 of push-down head under the suppressing action of the pump housing 5, and the baffle plate 33 for being placed on the lower section of guide sleeve 32 is removed
Falling, for rotor from 32 inner free-falling of guide sleeve to the bent axle 4 being coaxial therewith, rotor is pressed into bent axle by seaming chuck (not shown),
Rotor is almost pressed onto position, the reading of displacement transducer 18 is A0, at this moment exist between seaming chuck, rotor, bent axle 4 and push-down head 11
About 2000-5000N internal force, in rigidity without relative motion state, compression cylinder 311 and 312 lifts exposure mechanism afterwards
Rise, because the cylinder diameter of compression cylinder 311 and 312 is bigger than cylinder 261 and 262, at this moment the exposure mechanism of cylinder 261 and 262 to
Steel plate 221 is above pushed away, steel plate 221 pushes away working plate 226, and working plate 226 pushes away the pump housing 5, causes to head on the chaining pin 12 of the pump housing 5 axially
Motion upwards, the reading of displacement transducer 18 at this moment is A1, difference A0-A1Then between bent axle covering of the fan 41 and pump housing lower surface 51
Gap.
The preferred embodiment of invention is the foregoing is only, is not intended to limit the invention, all spirit in the present invention
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
For example square holding seat above can also be other shapes, it can realize and hold function tightly.
Claims (7)
1. a kind of cold press measurement apparatus, it includes measuring mechanism, and the measuring mechanism includes push-down head, the support push-down head
Base, the chaining pin that is placed in the push-down head and the displacement transducer of the detection chaining pin displacement, it is characterised in that
There is first through hole, the first through hole in the upper surface opening of the push-down head, match somebody with somebody by the chaining pin in the push-down head
It is placed in the first through hole and the first through hole is stretched out in its upper end,
Boss is provided with the upper surface of the push-down head,
Bent axle is pressed in being higher by the boss of upper surface of the push-down head during measurement, and compressor pump is pressed on the chaining pin.
2. cold press measurement apparatus according to claim 1, it is characterised in that
Be provided with the second through hole in the base, second through hole the base upper surface opening, it is logical with described first
Hole connects,
The measuring mechanism also includes the piston being placed in the second through hole, and the piston upper surface is stood in the lower end of the chaining pin
On, the upper-end contact of the piston lower surface and institute's displacement sensors.
3. cold press measurement apparatus according to claim 2, it is characterised in that the measuring mechanism is also described including being placed in
Spring and spacing ring in second through hole, the spring are placed between the piston and the spacing ring, and are enclosed on the displacement
The outside of sensor, the spacing ring lower end are placed on the step of institute's displacement sensors.
4. cold press measurement apparatus according to claim 3, it is characterised in that the base also have with the base
End face communicates and the third through-hole coaxial with second through hole, institute's displacement sensors lower end are placed in the third through-hole.
5. cold press measurement apparatus according to claim 4, it is characterised in that also include being located at second through hole and institute
State and be used for the holding seat for fixing institute's displacement sensors between third through-hole.
6. cold press measurement apparatus according to claim 1 or 5, it is characterised in that it also includes supporting the measuring machine
The supporting mechanism of structure, the base are detachably secured on the first steel plate of the supporting mechanism, are removably connected to described
At least one cylinder supports on second steel plate of supporting mechanism the first steel plate.
7. cold press measurement apparatus according to claim 6, it is characterised in that be removably connected to the supporting mechanism
At least two cylinders on 3rd steel plate jack up the second steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711286218.8A CN107796348A (en) | 2017-12-07 | 2017-12-07 | A kind of cold press measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711286218.8A CN107796348A (en) | 2017-12-07 | 2017-12-07 | A kind of cold press measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107796348A true CN107796348A (en) | 2018-03-13 |
Family
ID=61537137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711286218.8A Pending CN107796348A (en) | 2017-12-07 | 2017-12-07 | A kind of cold press measurement apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107796348A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953293A (en) * | 2018-09-27 | 2018-12-07 | 杭州前进齿轮箱集团股份有限公司 | A kind of measuring mechanism and measurement method of hydraulic clutch piston displacement |
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| CN205642235U (en) * | 2016-05-10 | 2016-10-12 | 重庆长江轴承股份有限公司 | Automobile wheel hub bearing inner race axial detects and goes up assembly |
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| CN206573030U (en) * | 2017-01-21 | 2017-10-20 | 上海模具技术研究所有限公司 | A kind of device for measuring part concealment part gap width |
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2017
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|---|---|---|---|---|
| CN108953293A (en) * | 2018-09-27 | 2018-12-07 | 杭州前进齿轮箱集团股份有限公司 | A kind of measuring mechanism and measurement method of hydraulic clutch piston displacement |
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