CN103389034A - Compressor lower cover form and location tolerance measurement instrument - Google Patents
Compressor lower cover form and location tolerance measurement instrument Download PDFInfo
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- CN103389034A CN103389034A CN2012101438279A CN201210143827A CN103389034A CN 103389034 A CN103389034 A CN 103389034A CN 2012101438279 A CN2012101438279 A CN 2012101438279A CN 201210143827 A CN201210143827 A CN 201210143827A CN 103389034 A CN103389034 A CN 103389034A
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- lower cover
- gauge head
- wall thickness
- external diameter
- cover form
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Abstract
The invention discloses a compressor lower cover form and location tolerance measurement instrument. A locating disk is arranged on a base, a vertical column is connected with a guide plate, a plunger of a first air cylinder penetrates through the guide plate upward to be connected with a first connecting plate, and a front guide column and a rear guide column stretch to the base. A pressing rod assembly is arranged on a second connecting plate, a hanging plate is connected with a U-shaped block, a wall thickness measuring head penetrates through the U-shaped block to be installed on a sliding block, and a wall thickness measuring part is installed at the end of a measuring part rod. A supporting frame is arranged on the outer side of the locating disk for installation of an outer-diameter measuring head, an outer-diameter measuring part is arranged at the front end of the outer-diameter measuring head, an air inlet is formed in the rear end of the outer-diameter measuring head to be connected with an air supplying pipeline, an axial hole is formed in the center of the locating disk, an inner-diameter measuring seat is arranged in the axial hole, a spraying nozzle is arranged at the front end of the inner-diameter measuring seat, and an air inlet is formed in the rear end of the inner-diameter measuring seat to be connected with the air supplying pipeline. When a lower cover to be measured is placed in, the wall thickness measuring head, the outer-diameter measuring head and the inner-diameter measuring seat respectively measure corresponding data to be input into a processor to be compared with a standard block, and form and location tolerance is calculated and displayed onto a screen. The compressor lower cover form and location tolerance measurement instrument is easy and convenient to operate in the whole operating process, overcomes the defects existing in the current manual measurement and is suitable for detecting parts on a large scale one by one.
Description
Technical field
The present invention is a kind of instrument that detects refrigerator, air conditioner compressed machine drum body lower cover outside diameter, wall thickness, shaft hole diameter and relative position, specifically, is a kind of compressor lower cover form and position tolerance measuring instrument.
Background technology
Compressor lower cover turning processing relates to the quality requirements of structure relative position, as form and position tolerances such as concentricity and verticality.General measuring method is to measure and calculate with the callipers for internal-and external diameter manual operations according to three-dimensional, and the single-piece measurement needs 3-5 minute, can't meet the quality control when batch production.
Summary of the invention
For the defect that prior art exists, the present invention proposes a kind of compressor lower cover form and position tolerance measuring instrument, can substitute manually fast and test compression machine lower cover form and position tolerance exactly.
Technical scheme of the present invention is: a kind of compressor lower cover form and position tolerance measuring instrument, a base is arranged, and supply air line and signal line are housed in base, a vertical root post on base, base is provided be used to the positioning disk of placing lower cover to be measured, it is characterized in that:
1) the column top connects a guide plate, be provided with the first cylinder in column, the plunger of the first cylinder is upward through guide plate and connects first web joint parallel with guide plate, the first web joint is installed a frong guide column and a BB1, and frong guide column and BB1 stretch to base through the linear bearing in guide plate downwards:
2) the frong guide column lower end connects second web joint, the second web joint below connects a suspension plate, the second web joint is provided with compressor arm assembly interspersed suspension plate, that be used for compressing lower cover to be measured, suspension plate connects the U-shaped piece, Open Side Down for the U-shaped piece, be provided with sliding shoe in opening, the wall thickness gauge head passes the U-shaped piece and is arranged on sliding shoe, the U-shaped piece connects the survey sub bar that stretches to positioning disk, survey the sub bar termination and be equipped with for the survey of the wall thickness near lower cover sidewall to be measured, wall thickness gauge head output electrical signals is connected to signal line;
3) base is provided with support in the positioning disk outside, the outside diameter head is installed on support, external diameter gauge head front end is provided with near the external diameter of lower cover outer round surface to be measured and surveys son, and external diameter gauge head rear end is provided with air intake opening and connects supply air line, and external diameter gauge head output electrical signals is connected to signal line;
4) have axis hole at the positioning disk center, axis hole is built-in with the inner diameter measurement seat, and inner diameter measurement seat front end is provided with the nozzle near lower cover shaft hole inner wall to be measured, and rear end is provided with air intake opening and connects supply air line, and inner diameter measurement seat output electrical signals is connected to signal line.
Before the present invention measures, first with two calibrated bolcks, gauge head is calibrated.Put into afterwards tested lower cover, by wall thickness gauge head, external diameter gauge head and inner diameter measurement seat, record respectively corresponding data input processor and calibrated bolck contrast, calculate form and position tolerance, show to screen.Overall process is easy and simple to handle, has overcome the existing disadvantage of present manual measurement, is fit to the detection one by one of part in enormous quantities.
Description of drawings
Fig. 1 is general structure schematic diagram of the present invention.
Fig. 2 is the side schematic view of Fig. 1.
Fig. 3 is that wall thickness gauge head and external diameter gauge head are in the measuring state schematic diagram.
Fig. 4 is wall thickness measuring head structure schematic diagram.
Fig. 5 is external diameter measuring head structure schematic diagram.
Fig. 6 is that sliding shoe is in non-measuring state schematic diagram.
Fig. 7 is that sliding shoe is in the measuring state schematic diagram.
Fig. 8 is inner diameter measurement seat working position one.
Fig. 9 is inner diameter measurement seat working position two.
Figure 10 is E sectional view in Fig. 9.
Figure 11 is F sectional view in Fig. 9.
Figure 12 is signal line figure.
Figure 13 is pneumatic diagram.
Embodiment
Be described in further detail below in conjunction with the embodiment of the present invention and accompanying drawing thereof.
See each compressor lower cover form and position tolerance measuring instrument shown in the drawings, a base 1 is arranged, supply air line 60 and signal line 70 are housed in base 1, a vertical root post 2 on base 1, base 1 is provided be used to the positioning disk 10 of placing lower cover to be measured.
In the present embodiment, the second web joint 9, suspension plate 17 all adopt the shape of approximate triangle, the member that is arranged on the second web joint 9, suspension plate 17 3 limits is all identical, be exactly like this as aforementioned compressor arm assembly 11, U-shaped piece 12, sliding shoe 13, wall thickness gauge head 14, survey sub bar 15, wall thickness survey 16 etc., clear for simplifying, accompanying drawing and explanatory note only just wherein on one side member make explanations, all the other can be analogized.
The plunger 5 of the first cylinder 4 moves up and down together with the first web joint 6 and contained member frong guide column 7 thereof and BB1 8 under the compressed gas sent outside drives, frong guide column 7 loadings, and BB1 8 plays balance and guide effect.Wall thickness is surveyed son 16 and is driven and move downward at frong guide column 7, after touching tested lower cover, be subject to the lower cover compressing, survey sub bar 15, sliding shoe 13 move to the diagram left together with wall thickness gauge head 14, after displacement transducer in wall thickness gauge head 14 receives displacement, output electrical signals.
Have axis hole 101 at positioning disk 10 centers, axis hole 101 is built-in with inner diameter measurement seat 30, inner diameter measurement seat 30 front ends are provided with the nozzle 301 near lower cover shaft hole inner wall to be measured, and rear end is provided with air intake opening 35 and connects supply air line 60, and inner diameter measurement seat 30 output electrical signals are connected to signal line 70.Between nozzle 301 and lower cover shaft hole inner wall, different gap can affect the air pressure of nozzle ejection, this air pressure change meeting feedback supply air line, and the piezoelectric sensors 303 in inner diameter measurement seat 30 convert this air pressure change value to magnitude of a voltage fluctuation and spread out of.
There is bearing 31 to be connected between inner diameter measurement seat 30 and positioning disk 10 central shaft holes 101, be provided with the second cylinder 32, the second cylinders 32 in base 1 and promote 30 rotations of inner diameter measurement seats by pendulum pole 33 and roller 34 structures.
Displacement transducer in wall thickness gauge head 14 adopts variohm 141 and spring 142, and the sliding contact 143 of variohm 141 is connected with spring 143, and the electric signal of wall thickness gauge head 14 is by variohm 141 outputs.
The displacement transducer of external diameter gauge head 21 adopts variohm 211, and external diameter is surveyed between son 22 and variohm 211 and is provided with spring 212 and piston 213, and the electric signal of external diameter gauge head 21 is by variohm 211 outputs.
The nozzle 301 that inner diameter measurement seat 30 is provided be placed in two cross section E, F, two, each cross section nozzle 301,35 minutes four air flues 302 of air intake opening are communicated with each nozzle 301, and each air flue 302 is installed a piezoelectric sensor 303, and the output electrical signals of inner diameter measurement seat 30 is by piezoelectric sensor 303 outputs.
Above-described embodiment can further be optimized: the impact damper 40, that the first web joint 6 is equipped with pre-protecting against shock guide plate has 4; Guide plate 3 is established an installing plate 43, and installing plate 43 has the corresponding positions of two approach switch 41, the first web joints 6 in up and down to install a sensor block 42, and the distance between approach switch 41 is the range of the first cylinder plunger 5; U-shaped piece 12 is provided with guide pole 122 and is interspersed in sliding shoe 13; Be connected to the processor of peripheral hardware after control module 50 of output signal circuit 70 accesses of wall thickness gauge head 14, external diameter gauge head 21 and inner diameter measurement seat 30.
The process that use the present invention measures lower cover is as follows: lower cover is put into positioning disk 10, start the first cylinder 4, frong guide column 7 descends, and three compressor arm assemblies 11 are pushed down lower cover is fixed on positioning disk 10 it.Meanwhile, wall thickness is surveyed son 16 and is driven and move downward at frong guide column 7, after touching tested lower cover, be subject to the lower cover compressing, survey sub bar 15, sliding shoe 13 move to the diagram left together with wall thickness gauge head 14, the sliding contact 143 of the interior variohm 141 of wall thickness gauge head 14 is subjected to displacement output electrical signals, and wall thickness measuring is completed, and by spring 142, is resetted.Open gas circuit, the pressurized air of supply air line 60 enters the air intake opening 23 of external diameter gauge head 21, and pushing piston 213 Compress Springs 212 move forward together, the variohm 211 resistances output electrical signals that changes, and outside diameter measuring is completed, and by spring 212, is resetted.Simultaneously, the pressurized air of supply air line 60 enters the air intake opening 35 ，Fen Si road air flues 302 of inner diameter measurement seat 30 from 301 ejections of four nozzles,, according to the variation of pressure, converts electric signal to by the piezoelectric sensor 303 in each air flue 302 and sends.Surveyed the first round four points, started the second cylinder 32,, by the transmission of pendulum pole 33 and roller 34, ordered about inner diameter measurement seat 30 90-degree rotations, repeated second and take turns four point measurements, measurement result still converts electric signal to by piezoelectric sensor 303 and sends.All electric signal are delivered to processor and the calibrated bolck contrast of peripheral hardware, calculate form and position tolerance.In aforesaid operations, air valve is opened and is controlled by manually carrying out.
Claims (9)
1. a compressor lower cover form and position tolerance measuring instrument, have a base, and supply air line and signal line are housed in base, a vertical root post on base, and base is provided be used to the positioning disk of placing lower cover to be measured, it is characterized in that:
1) the column top connects a guide plate, be provided with the first cylinder in column, the plunger of the first cylinder is upward through guide plate and connects first web joint parallel with guide plate, the first web joint is installed a frong guide column and a BB1, and frong guide column and BB1 stretch to base through the linear bearing in guide plate downwards:
2) the frong guide column lower end connects second web joint, the second web joint below connects a suspension plate, the second web joint is provided with compressor arm assembly interspersed suspension plate, that be used for compressing lower cover to be measured, suspension plate connects the U-shaped piece, Open Side Down for the U-shaped piece, be provided with sliding shoe in opening, the wall thickness gauge head passes the U-shaped piece and is arranged on sliding shoe, the U-shaped piece connects the survey sub bar that stretches to positioning disk, survey the sub bar termination and be equipped with for the survey of the wall thickness near lower cover sidewall to be measured, wall thickness gauge head output electrical signals is connected to signal line;
3) base is provided with support in the positioning disk outside, the external diameter gauge head is installed on support, external diameter gauge head front end is provided with near the external diameter of lower cover outer round surface to be measured and surveys son, and external diameter gauge head rear end is provided with air intake opening and connects supply air line, and external diameter gauge head output electrical signals is connected to signal line;
4) have axis hole at the positioning disk center, axis hole is built-in with the inner diameter measurement seat, and inner diameter measurement seat front end is provided with the nozzle near lower cover shaft hole inner wall to be measured, and rear end is provided with air intake opening and connects supply air line, and inner diameter measurement seat output electrical signals is connected to signal line.
2. compressor lower cover form and position tolerance measuring instrument according to claim 1, it is characterized in that having bearing to be connected between described inner diameter measurement seat and positioning disk central shaft hole, be provided with the second cylinder in base, the second cylinder promotes the rotation of inner diameter measurement seat by pendulum pole and roller structure.
3. compressor lower cover form and position tolerance measuring instrument according to claim 1, is characterized in that being provided with variohm and spring in described wall thickness gauge head, and the sliding contact of variohm is connected with spring, and the electric signal of wall thickness gauge head is exported by variohm.
4. compressor lower cover form and position tolerance measuring instrument according to claim 1, is characterized in that being provided with variohm in described external diameter gauge head, and external diameter is surveyed between son and variohm and is provided with spring and piston, and the electric signal of external diameter gauge head is exported by variohm.
5. compressor lower cover form and position tolerance measuring instrument according to claim 1, it is characterized in that nozzle that described inner diameter measurement seat is provided with two cross sections that are placed in, two, each cross section, air intake opening divides four air flues to be communicated with each nozzle, each air flue is installed a piezoelectric sensor, and the output electrical signals of described inner diameter measurement seat is exported by piezoelectric sensor.
6. compressor lower cover form and position tolerance measuring instrument according to claim 1, is characterized in that described the first web joint is equipped with the impact damper of pre-protecting against shock guide plate.
7. compressor lower cover form and position tolerance measuring instrument according to claim 1, it is characterized in that described guide plate establishes an installing plate, installing plate is by two approach switchs in up and down, corresponding positions at described the first web joint installs a sensor block, and the distance between approach switch is the range of the first cylinder plunger.
8. compressor lower cover form and position tolerance measuring instrument according to claim 1, is characterized in that described U-shaped piece is provided with guide pole and is interspersed in sliding shoe.
9. compressor lower cover form and position tolerance measuring instrument according to claim 1, is characterized in that being connected to the processor of separately establishing after control module of output signal circuit 70 accesses of wall thickness gauge head, external diameter gauge head and inner diameter measurement seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210143827.9A CN103389034B (en) | 2012-05-10 | 2012-05-10 | Compressor lower cover form and position tolerance measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210143827.9A CN103389034B (en) | 2012-05-10 | 2012-05-10 | Compressor lower cover form and position tolerance measuring instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103389034A true CN103389034A (en) | 2013-11-13 |
| CN103389034B CN103389034B (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210143827.9A Active CN103389034B (en) | 2012-05-10 | 2012-05-10 | Compressor lower cover form and position tolerance measuring instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017388A (en) * | 2016-07-01 | 2016-10-12 | 成都市龙泉通惠实业有限责任公司 | Inner bore detection mechanism for central plate |
| CN106197349A (en) * | 2016-07-01 | 2016-12-07 | 成都市龙泉通惠实业有限责任公司 | Spider axle external diameter detection device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008005154U1 (en) * | 2008-04-15 | 2008-07-24 | Knäbel, Horst, Dipl.-Ing. | Device for checking the dimensional and geometrical tolerances of contours on workpieces |
| CN201974128U (en) * | 2011-01-21 | 2011-09-14 | 佛山市广顺电器有限公司 | Form and position tolerance detecting mechanism of compressor |
| CN202158824U (en) * | 2011-06-20 | 2012-03-07 | 扬州五亭桥缸套有限公司 | Measuring tool of form and position tolerance of damping ring |
| CN202547587U (en) * | 2012-05-10 | 2012-11-21 | 上海云飞工贸发展有限公司 | Instrument for measuring form and position tolerance of lower cover of compressor |
-
2012
- 2012-05-10 CN CN201210143827.9A patent/CN103389034B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008005154U1 (en) * | 2008-04-15 | 2008-07-24 | Knäbel, Horst, Dipl.-Ing. | Device for checking the dimensional and geometrical tolerances of contours on workpieces |
| CN201974128U (en) * | 2011-01-21 | 2011-09-14 | 佛山市广顺电器有限公司 | Form and position tolerance detecting mechanism of compressor |
| CN202158824U (en) * | 2011-06-20 | 2012-03-07 | 扬州五亭桥缸套有限公司 | Measuring tool of form and position tolerance of damping ring |
| CN202547587U (en) * | 2012-05-10 | 2012-11-21 | 上海云飞工贸发展有限公司 | Instrument for measuring form and position tolerance of lower cover of compressor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017388A (en) * | 2016-07-01 | 2016-10-12 | 成都市龙泉通惠实业有限责任公司 | Inner bore detection mechanism for central plate |
| CN106197349A (en) * | 2016-07-01 | 2016-12-07 | 成都市龙泉通惠实业有限责任公司 | Spider axle external diameter detection device |
| CN106197349B (en) * | 2016-07-01 | 2018-10-30 | 成都市龙泉通惠实业有限责任公司 | Center dish axle external diameter detection device |
| CN106017388B (en) * | 2016-07-01 | 2019-02-15 | 成都市龙泉通惠实业有限责任公司 | Spider inner hole testing agency |
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| Publication number | Publication date |
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| CN103389034B (en) | 2016-04-06 |
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