CN109909216A - Piston pin external diameter automatic measuring equipment - Google Patents
Piston pin external diameter automatic measuring equipment Download PDFInfo
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- CN109909216A CN109909216A CN201910352784.7A CN201910352784A CN109909216A CN 109909216 A CN109909216 A CN 109909216A CN 201910352784 A CN201910352784 A CN 201910352784A CN 109909216 A CN109909216 A CN 109909216A
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- China
- Prior art keywords
- piston pin
- transport mechanism
- external diameter
- pushing block
- basic rack
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Abstract
The present invention relates to a kind of piston pin quality inspection equipment, more particularly to a kind of piston pin external diameter automatic measuring equipment, including dry body, outside diameter measuring mechanism, sorting mechanism, transport mechanism and control system, the transport mechanism is arranged two sections, spliced between two sections of transport mechanisms by outside diameter measuring mechanism, dry body is arranged in first segment transport mechanism front half section, sorting mechanism is arranged in the second segment transport mechanism second half section, the outside diameter measuring mechanism includes pedestal, basic rack, laser diameter measuring instrument, pushing block and pushing block actuator, the basic rack it is fixed on the base and with the equidirectional setting of transport mechanism, laser diameter measuring instrument is arranged in two sides of base, the piston pin pushing piece corresponds to basic rack setting, the outside diameter measuring mechanism, dry body, sorting mechanism and transport mechanism are connected with control system.The present invention realizes the automatic measurement of piston pin external diameter, improves measurement accuracy and efficiency.
Description
Technical field
The present invention relates to a kind of piston pin quality inspection equipment, and in particular to a kind of piston pin external diameter automatic measuring equipment.
Background technique
Before factory, piston pin external diameter need to be measured, also judge whether product is qualified.Using being processed in centerless grinding machine
At piston pin outer wall with grinding fluid and grinding residue, at this stage or directly by piston pin be put into outside diameter measuring mechanism into
Band water gaging after row is measured or rinsed with clear water, the solid-state or liquid impurities of piston pin outer wall remain, and will cause measurement and miss
Difference, in addition, current measurement method needs manual operation more, there are human errors for measurement result, influence the quality of finished product.
Summary of the invention
In order to solve the above technical problems, it is an object of the invention to: a kind of piston pin external diameter automatic measuring equipment is provided, it is real
The automatic measurement of existing piston pin external diameter, improves measurement accuracy and efficiency.
The present invention is technical solution used by solving its technical problem are as follows:
The piston pin external diameter automatic measuring equipment, including dry body, outside diameter measuring mechanism, sorting mechanism, conveyer
Structure and control system, the transport mechanism are arranged two sections, are spliced between two sections of transport mechanisms by outside diameter measuring mechanism, first segment
Dry body is arranged in transport mechanism front half section, and sorting mechanism, the outside diameter measuring mechanism is arranged in the second segment transport mechanism second half section
Including pedestal, basic rack, laser diameter measuring instrument, pushing block and pushing block actuator, the basic rack it is fixed on the base and with biography
Send mechanism equidirectional setting, laser diameter measuring instrument is arranged in two sides of base, and the piston pin pushing piece corresponds to basic rack setting, institute
Outside diameter measuring mechanism, dry body, sorting mechanism and transport mechanism is stated to be connected with control system.
The piston pin processed is sent after rinsing to first segment transport mechanism starting point, dry body is opened, by dry body
Drying operation is carried out to piston pin outer surface, the mushy stage residual impurity of its outer surface is blown away, prevents it from influencing outside diameter measuring
As a result, drying after piston pin basic rack is reached under the transmission of first segment transmission mechanism, piston pin under the promotion of pushing block,
It is moved on along basic rack, when by laser diameter measuring instrument, the high speed to piston pin external diameter, high-precision is realized by laser diameter measuring instrument
Scanning survey is spent, and calculates maximum value, minimum value, average value, the variation in diameter amount of tested piston pin external diameter according to measurement result,
Then it is compared with the tolerance range of setting, and judges whether piston pin is overproof.When piston pin external diameter is overproof, passed in piston pin
When being sent to second segment transport mechanism, unqualified piston pin is rejected automatically by sorting mechanism, detects qualified piston pin by the
Two sections of transport mechanisms are sent to subsequent processing.
Wherein, preferred embodiment are as follows:
The first photoelectric sensor and the second photoelectric sensor is respectively set in the beginning and end of the first segment transport mechanism,
Outside diameter measuring mechanism terminal point corresponds to pushing block setting correlation laser sensor, the first photoelectric sensor, the second photoelectric transfer
Sensor and correlation laser sensor are connected with control system, in measurement operation, when the communicated band transmission of upper sequence piston pin
When to equipment first segment transport mechanism, the first photoelectric sensor perceives workpiece and arrives, when system is in just starting or timeout
When state, by starting first segment transport mechanism operation, and the liquid of piston pin surface and detritus are blown off by dry body；When
When piston pin reaches the second photoelectric sensor, first segment transport mechanism can suspend transmission, and at the same time, the pushing block on synchronous belt arrives
When up to correlation laser sensor perceived position, matching is synchronized to pushing block and first segment transport mechanism, enters piston pin
After measuring basis guide rail, pushing block just touches the tail end face of piston pin, and pushes piston pin and at the uniform velocity pass through laser diameter measuring instrument
Measured zone.
When the first photoelectric sensor has detected that piston pin enters, first segment transmission mechanism and system follow-up mechanism start
Work；When equipment completed all conveyer belt upper piston pins detection sorting, and be more than setting time (generally taking 20s) do not have
When new piston pin is transmitted on first segment transmission mechanism, system operates automatic pause, until the first photoelectric sensor receives
It is restarted after to new piston pin arrival signal.
After correlation laser sensor detects pushing block, the time that pushing block reaches basic rack again is fixed, piston
It is also fixed for selling from the time that the second photoelectric sensor reaches sync bit, according to the time difference of the two, adjusts first segment and passes
The starting time of mechanism is sent, to reach the simultaneously match of pushing block and piston pin.
The dry body includes high-pressure blast knife, sets gradually a forward direction high-pressure blast from the starting point of first segment transport mechanism
Knife, a pair of opposing left and right to high-pressure blast knife, the backward high-pressure blast knife of a forward direction high-pressure blast knife and a pair of opposing,
Respectively pass through air knife bracket to high-pressure blast knife to fix, respectively consistent to the structure of high-pressure blast knife, only the installation direction of air outlet is not
Together, it is dried up for realizing each of piston pin to no dead angle, high-pressure blast knife can be used market and now sell product.
The laser diameter measuring instrument uses correlation laser diameter measuring instrument, and correlation laser diameter measuring instrument is fixed on by measuring crossbeam
Basic rack two sides, above basic rack and pedestal corresponding correlation laser diameter measuring instrument to penetrating laser beam setting light-transmitting gap,
The preferred 1.2mm of light-transmitting gap width, light-transmitting gap width is smaller, therefore general 3/4 not as good as basic rack diameter is surveyed
The basic rack at amount position both ends be it is integrated, assembly for the first time and subsequent replacement basic rack need to only adjust the flat of two guide rails
Row can reach measurement request.
The pedestal includes the fixed ear and fixed block that can be integrated structure, and fixed ear is set to fixed block two sides, fixed block
Inner wall is set as V-shaped, and V-shaped fixed block inner wall corresponds to basic rack setting accommodation groove, and two sides of base is fixed by fixed ear
In supporting vertical plate, measurement crossbeam runs through supporting vertical plate from pedestal pedestal, and measurement crossbeam both ends are fixed by measuring vertical plate, fixed
Ear and supporting vertical plate are bolted to connection, and measurement crossbeam is fixedly connected with measurement vertical plate also by bolt, and the benchmark is led
Rail uses a pair of carbon fiber pipe disposed in parallel, and the interval between two carbon fiber pipes is not more than 1/2 times of piston pin external diameter, surveys
During amount, piston pin has abrasion to basic rack, when being tested scratch of the piston pin because having an impact appearance after a measurement, just
It needs to replace basic rack.When replacement, fixed block is removed replacement carbon fiber pipe by loose bolts from supporting vertical plate.
The pushing block actuator includes driving motor, synchronizing wheel and synchronous belt, the driving motor by transmission gear and
Feed belt drives synchronizing wheel, and synchronizing wheel drives synchronous belt rotation, and piston pin setting pushing block, synchronous belt setting are corresponded on synchronous belt
Right above basic rack, to improve detection efficiency, muti-piece pushing block is set on synchronous belt, the distance between adjacent two pushing block with set
The difference of the maximum length of standby measurable piston pin is not less than 20mm.
Sorting mechanism includes rejecting cylinder, third photoelectric sensor and waste product basket, rejects cylinder and third photoelectric sensor
Ipsilateral set on second segment transport mechanism, waste product basket is set to the second segment transport mechanism other side, by the second photoelectric sensor to measurement
Piston pin counted, after detecting underproof piston pin, record respective pistons pin serial number, by third photoelectric sensor
Secondary counting identification is carried out to it, starting rejecting cylinder is rejected to waste product basket afterwards in place.
Compared with prior art, the invention has the following advantages:
The automatic measurement of piston pin external diameter can be achieved in the present invention, improves measurement accuracy and measurement efficiency.The piston processed
Pin is sent after rinsing to first segment transport mechanism starting point, is opened dry body, is blown by dry body piston pin outer surface
Dry run blows away the liquid of its outer surface and detritus, and the piston pin after drying reaches under the transmission of first segment transmission mechanism
Basic rack, piston pin move under the promotion of pushing block along basic rack, when by laser diameter measuring instrument, by Laser Measuring
Diameter instrument realizes high speed to piston pin external diameter, high-precision scanning survey, and judges whether piston pin is overproof according to measurement result.When
When piston pin external diameter is overproof, when piston pin is transmitted to second segment transport mechanism, by sorting mechanism automatically by unqualified piston pin
It rejects, detects qualified piston pin and subsequent processing is sent to by second segment transport mechanism.
Detailed description of the invention
Fig. 1 is structure of the invention figure.
Fig. 2 is pore diameter measurement mechanism and sorting mechanism structure chart.
Fig. 3 is base construction figure.
In figure: 1, dry body；2, outside diameter measuring mechanism；3, sorting mechanism；4, first segment transport mechanism；5, second segment passes
Send mechanism；6, pedestal；7, basic rack；8, laser diameter measuring instrument；9, pushing block；10, the first photoelectric sensor；11, the second photoelectric transfer
Sensor；12, correlation laser sensor；13, high-pressure blast knife；14, air knife bracket；15, crossbeam is measured；16, light-transmitting gap；17,
Fixed ear；18, fixed block；19, accommodation groove；20, supporting vertical plate；21, vertical plate is measured；22, driving motor；23, synchronous belt；24,
Reject cylinder；25, third photoelectric sensor；26, waste product basket.
Specific embodiment
The embodiment of the present invention is described further with reference to the accompanying drawing:
Embodiment 1:
As shown in Figure 1, piston pin external diameter automatic measuring equipment of the present invention, including dry body 1, outside diameter measuring mechanism
2, sorting mechanism 3, transport mechanism and control system, the transport mechanism are arranged two sections, pass through outer diameter between two sections of transport mechanisms
Measuring mechanism 2 splices, and dry body, the setting sorting of 5 second half section of second segment transport mechanism is arranged in 4 front half section of first segment transport mechanism
Mechanism, the outside diameter measuring mechanism 2 includes pedestal 6, basic rack 7, laser diameter measuring instrument 8, pushing block 9 and pushing block actuator, described
Basic rack 7 be fixed on pedestal 6 and with the equidirectional setting of transport mechanism, the setting of laser diameter measuring instrument 8 is described in 6 two sides of pedestal
Piston pin pushing piece corresponds to the setting of basic rack 7, the outside diameter measuring mechanism 3, dry body 1, sorting mechanism 3 and transport mechanism
It is connected with control system.
Wherein, the first photoelectric sensor 10 and the second photoelectric transfer is respectively set in the beginning and end of first segment transport mechanism 4
Sensor 11,2 terminal point of outside diameter measuring mechanism correspond to pushing block 9 and correlation laser sensor 12, the first photoelectric sensor are arranged
10, the second photoelectric sensor 11 and correlation laser sensor 12 are connected with control system, in measurement operation, when upper sequence is living
When the communicated band of plug pin is transmitted to equipment first segment transport mechanism 4, the first photoelectric sensor 10 perceives workpiece and arrives, at system
When first starting or timeout state, starting first segment transport mechanism 4 is run, and passes through dry body 1 for piston pin table
The liquid and detritus in face are blown off；When piston pin reaches the second photoelectric sensor 12, first segment transport mechanism 1 can suspend transmission,
At the same time, when pushing block 9 reaches 12 perceived position of correlation laser sensor, pushing block 9 and first segment transport mechanism 4 are carried out together
Step matching, after so that piston pin is entered measuring basis guide rail 7, pushing block 9 just touches the tail end face of piston pin, and pushes piston
Pin at the uniform velocity passes through the measured zone of laser diameter measuring instrument 8.
When the first photoelectric sensor 10 has detected that piston pin enters, first segment transmission mechanism 4 and system follow-up mechanism
It starts to work；When equipment completed all conveyer belt upper piston pins detection sorting, and be more than setting time (generally taking 20s)
When not new piston pin is transmitted on first segment transmission mechanism 4, system operates automatic pause, until the first photoelectric sensor
10 receive new piston pin arrival signal after restart.
After correlation laser sensor 12 detects pushing block 9, pushing block 9 reach again basic rack 7 time be it is fixed,
Piston pin from the time that the second photoelectric sensor 11 reaches sync bit be also it is fixed, according to the time difference of the two, adjustment the
The starting time of one section of transport mechanism 4, to reach the simultaneously match of pushing block 9 and piston pin.
The dry body 1 includes high-pressure blast knife 13, sets gradually a forward direction height from the starting point of first segment transport mechanism 4
Press air knife, a pair of opposing left and right to high-pressure blast knife, a forward direction high-pressure blast knife and a pair of opposing backward high pressure
Air knife respectively passes through air knife bracket 14 to high-pressure blast knife and fixes, respectively consistent to the structure of high-pressure blast knife, the only installation of air outlet
Direction is different, and each for realizing piston pin dries up to no dead angle, and high-pressure blast knife 14 can be used market and now sell product；Laser diameter measurement
Instrument 8 uses correlation laser diameter measuring instrument, and correlation laser diameter measuring instrument is fixed on 7 two sides of basic rack, base by measuring crossbeam 15
Corresponded to above quasi- guide rail 7 and pedestal 6 correlation laser diameter measuring instrument to penetrate laser beam setting light-transmitting gap 16, the light-transmitting gap
The preferred 1.2mm of 16 width, 16 width of light-transmitting gap is smaller, general 3/4 not as good as 7 diameter of basic rack, therefore, measurement position two
The basic rack 7 at end be it is integrated, assembly for the first time and subsequent replacement basic rack 7 need to adjust the collimation of two guide rails just
It can achieve measurement request.
The pedestal 6 includes the fixed ear 17 and fixed block 18 that can be integrated structure, and fixed ear 17 is set to 18 liang of fixed block
Side, 18 inner wall of fixed block are set as V-shaped, and 18 inner wall of fixed block corresponds to basic rack 7 and accommodation groove 19 is arranged, and 6 two sides of pedestal are logical
It crosses fixed ear 17 to be fixed in supporting vertical plate 20, measurement crossbeam 15 runs through supporting vertical plate 20 from pedestal pedestal, measures 15 liang of crossbeam
End is fixed by measurement vertical plate 21, and fixed ear 17 and supporting vertical plate 20 are bolted to connection, and measurement crossbeam 15 and measurement are vertical
Plate 21 is fixedly connected also by bolt, the basic rack 7 using a pair of carbon fiber pipe disposed in parallel, two carbon fiber pipes it
Between interval be not more than 1/2 times of piston pin external diameter, in measurement process, piston pin has abrasion to basic rack 7, when tested piston
When selling the scratch because having an impact appearance after a measurement, it is necessary to be replaced to basic rack 7.When replacement, loose bolts will
Fixed block 18 removes replacement carbon fiber pipe from supporting vertical plate 20.
The pushing block actuator includes driving motor 22, synchronizing wheel and synchronous belt 23, and the driving motor 22 passes through transmission
Gear and feed belt drive synchronizing wheel, and synchronizing wheel drives synchronous belt 23 to rotate, and piston pin setting pushing block is corresponded on synchronous belt 23
9, the setting of synchronous belt 23 is right above basic rack 7, and to improve detection efficiency, muti-piece pushing block 9 is arranged on synchronous belt 23, adjacent
The difference that distance and equipment between two pushing blocks 9 can measure the maximum length of piston pin is not less than 20mm.
Sorting mechanism (3) includes rejecting cylinder (24), third photoelectric sensor (25) and waste product basket (26), rejects cylinder
(24) and third photoelectric sensor (25) is ipsilateral set on second segment transport mechanism (5), and waste product basket (26) is set to second segment conveyer
Structure (5) other side, the piston pin measured by 11 Duis of the second photoelectric sensor counts, after detecting underproof piston pin,
The serial number for recording respective pistons pin, carries out secondary counting identification to it by third photoelectric sensor 25, and gas is rejected in starting afterwards in place
Cylinder 24 is rejected to waste product basket 26.
The piston pin processed is sent after rinsing to 4 starting point of first segment transport mechanism, dry body 1 is opened, by hair dryer
Structure 1 carries out drying operation to piston pin outer surface, and the mushy stage residual impurity of its outer surface is blown away, and prevents it from influencing outer diameter and surveys
As a result, the piston pin after drying reaches basic rack 7 under the transmission of first segment transmission mechanism 4, piston pin pushes away amount pushing block 9
It under dynamic, moves on along basic rack 7, when by laser diameter measuring instrument 8, is realized by laser diameter measuring instrument 8 to piston pin external diameter
At a high speed, high-precision scanning survey, and the maximum value of tested piston pin external diameter, minimum value, average value, straight is calculated according to measurement result
Then diameter variation is compared with the tolerance range of setting, and judge whether piston pin is overproof.When piston pin external diameter is overproof,
When piston pin is transmitted to second segment transport mechanism 5, unqualified piston pin is rejected automatically by sorting mechanism 3, detects qualification
Piston pin is sent to subsequent processing by second segment transport mechanism 5.
Claims (9)
1. a kind of piston pin external diameter automatic measuring equipment, which is characterized in that including dry body (1), outside diameter measuring mechanism (2),
Sorting mechanism (3), transport mechanism and control system, the transport mechanism are arranged two sections, pass through outer diameter between two sections of transport mechanisms
Dry body is arranged in measuring mechanism (2) splicing, first segment transport mechanism (4) front half section, and second segment transport mechanism (5) second half section sets
Set sorting mechanism, the outside diameter measuring mechanism (2) include pedestal (6), basic rack (7), laser diameter measuring instrument (8), pushing block (9) and
Pushing block actuator, the basic rack (7) be fixed on pedestal (6) and with the equidirectional setting of transport mechanism, laser diameter measuring instrument (8)
It is arranged in pedestal (6) two sides, the piston pin pushing piece corresponds to basic rack (7) setting, and the outside diameter measuring mechanism (3) is blown
Dry mechanism (1), sorting mechanism (3) and transport mechanism are connected with control system.
2. piston pin external diameter automatic measuring equipment according to claim 1, which is characterized in that the first segment transport mechanism
(4) the first photoelectric sensor (10) and the second photoelectric sensor (11), the outside diameter measuring machine is respectively set in beginning and end
Structure (2) terminal point corresponds to pushing block (9) setting correlation laser sensor (12), the first photoelectric sensor (10), the second photoelectric transfer
Sensor (11) and correlation laser sensor (12) are connected with control system.
3. piston pin external diameter automatic measuring equipment according to claim 1, which is characterized in that dry body (1) packet
High-pressure blast knife (13) are included, set gradually forward direction high-pressure blast knife, an a pair of opposing from the starting point of first segment transport mechanism (4)
Left and right to high-pressure blast knife, the backward high-pressure blast knife of a forward direction high-pressure blast knife and a pair of opposing, it is respectively equal to high-pressure blast knife
It is fixed by air knife bracket (14).
4. piston pin external diameter automatic measuring equipment according to claim 1, which is characterized in that the laser diameter measuring instrument (8)
Using correlation laser diameter measuring instrument, correlation laser diameter measuring instrument is fixed on basic rack (7) two sides, base by measuring crossbeam (15)
Corresponding correlation laser diameter measuring instrument is arranged light-transmitting gap (16) to penetrating laser beam above quasi- guide rail (7) and pedestal (6).
5. piston pin external diameter automatic measuring equipment according to claim 4, which is characterized in that the pedestal (6) includes setting
The fixed ear (17) and fixed block (18) being structure as a whole, fixed ear (17) are set to fixed block (18) two sides, and fixed block (18) is interior
Wall is set as V-shaped, and fixed block (18) inner wall corresponds to basic rack (7) setting accommodation groove (19), and pedestal (6) two sides pass through fixation
Ear (17) is fixed on supporting vertical plate (20), and measurement crossbeam (15) runs through supporting vertical plate (20) from pedestal pedestal, measures crossbeam
(15) both ends are fixed by measurement vertical plate (21).
6. piston pin external diameter automatic measuring equipment according to claim 4, which is characterized in that the basic rack (7) is adopted
With a pair of carbon fiber pipe disposed in parallel, (1)/(2) times of interval between two carbon fiber pipes no more than piston pin external diameter.
7. piston pin external diameter automatic measuring equipment according to claim 1, which is characterized in that the pushing block actuator includes
Driving motor (22), synchronizing wheel and synchronous belt (23), the driving motor (22) are same by transmission gear and feed belt driving
Step wheel, synchronizing wheel drive synchronous belt (23) rotation, correspond to piston pin setting pushing block (9) on synchronous belt (23), synchronous belt (23) is set
It sets right above basic rack (7).
8. piston pin external diameter automatic measuring equipment according to claim 7, which is characterized in that set on the synchronous belt (23)
It sets muti-piece pushing block (9), the difference that the distance and equipment between adjacent two pushing block (9) can measure the maximum length of piston pin is not less than (20)
mm。
9. piston pin external diameter automatic measuring equipment according to claim 1, which is characterized in that sorting mechanism (3) packet
It includes and rejects cylinder (24), third photoelectric sensor (25) and waste product basket (26), reject cylinder (24) and third photoelectric sensor
(25) ipsilateral set on second segment transport mechanism (5), waste product basket (26) is set to second segment transport mechanism (5) other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352784.7A CN109909216A (en) | 2019-04-29 | 2019-04-29 | Piston pin external diameter automatic measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352784.7A CN109909216A (en) | 2019-04-29 | 2019-04-29 | Piston pin external diameter automatic measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109909216A true CN109909216A (en) | 2019-06-21 |
Family
ID=66978701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910352784.7A Withdrawn CN109909216A (en) | 2019-04-29 | 2019-04-29 | Piston pin external diameter automatic measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109909216A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456727A (en) * | 2019-08-21 | 2019-11-15 | 福建科烨数控科技有限公司 | A kind of external measure and control device improving lathe in machining component precision |
-
2019
- 2019-04-29 CN CN201910352784.7A patent/CN109909216A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456727A (en) * | 2019-08-21 | 2019-11-15 | 福建科烨数控科技有限公司 | A kind of external measure and control device improving lathe in machining component precision |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190621 |
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| WW01 | Invention patent application withdrawn after publication |