CN113932721B - Plate powder spreading thickness detection equipment and control method thereof - Google Patents
Plate powder spreading thickness detection equipment and control method thereof Download PDFInfo
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- CN113932721B CN113932721B CN202111214337.9A CN202111214337A CN113932721B CN 113932721 B CN113932721 B CN 113932721B CN 202111214337 A CN202111214337 A CN 202111214337A CN 113932721 B CN113932721 B CN 113932721B
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- 239000000843 powder Substances 0.000 title claims abstract description 91
- 238000003892 spreading Methods 0.000 title claims abstract description 33
- 230000007480 spreading Effects 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000005245 sintering Methods 0.000 claims description 22
- 239000000523 sample Substances 0.000 claims description 17
- 238000005259 measurement Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The application discloses a plate powder spreading thickness detection device and a control method thereof, and relates to the field of automatic detection instruments; the controllers of the two thickness gauges are connected through a signal line; the master-slave serial communication mode, the isolation type communication module and the two thickness gauges are linked, so that data information can be mutually transmitted and integrated and analyzed; the thickness difference between the two thickness gauges automatically forms a database, so that whether the powder spreading thickness is qualified or not is deduced, and the powder spreading thickness of the front powder spreading station is adjusted at any time.
Description
Technical Field
The application relates to the field of automatic detection instruments, in particular to a plate powder spreading thickness detection device and a control method thereof.
Background
With the continuous development of science and technology, oil-free lubrication bearings are widely applied to mechanical equipment, and in the earlier stage of bearing processing, requirements on the precision of bearing materials are higher and higher, and the production process of the oil-free lubrication bearings comprises the following steps: plate rolling and rolling, plate leveling, plate powder spreading, sintering, rolling, plate cutting and finished product processing. The most important link in the whole set of working procedures is plate powder spreading, and the problem of the link can lead to disqualification of the thickness of the finished plate. How to detect whether the laying thickness of the plate powder is qualified becomes an important factor of whether the plate finished product is qualified.
At present, two kinds of thickness measurement are carried out in the powder spreading process, one kind is manual measurement, the measurement error is largely based on the experience of workers, the other kind is non-contact laser measurement, after the powder is spread on the plate, the powder is granular and irregular, gaps exist among the powder, the laser thickness meter has diameter limitation due to light spots, the actual thickness cannot be measured by adopting laser measurement, and only whether the paving is uniform or not can be detected; the plate after powder spreading needs to be sintered in a sintering furnace, powder is sintered in a high-temperature furnace to be melted and attached to the steel plate, the powder is melted and can be settled, the total thickness of the plate after settlement can be reduced, the plate enters a water cooling system for cooling after powder sintering and melting, the powder on the plate is melted and cooled, no gaps exist, and the thickness value measured by the laser thickness gauge is accurate.
However, no method is available so far to measure the true value of the powder spreading thickness so as to timely feed back and adjust the powder spreading thickness, which is a disadvantage of the prior art.
Disclosure of Invention
In order to solve the technical problem, the application provides a board powder paving thickness detection device.
The technical problem of the application is realized through the following technical scheme: the plate powder spreading thickness detection device comprises a sintering furnace, wherein one end of the sintering furnace is provided with a powder spreading thickness gauge, and the powder spreading thickness gauge is connected with a powder spreading thickness gauge controller; the other end of the sintering furnace is provided with a plate thickness gauge which is connected with a plate thickness gauge controller; the powder laying thickness gauge has the same structure as the plate thickness gauge; the powder laying thickness gauge controller is connected with the plate thickness gauge controller through a signal wire.
Further, the plate thickness gauge comprises a portal frame, a calibration mechanism, an upper guide rail group, a lower guide rail group, an upper positioning device and a lower positioning device; the calibrating mechanism is positioned on the side wall of the portal frame, and an upper guide rail group and a lower guide rail group which are parallel to each other are arranged in the portal frame up and down; the upper guide rail group is provided with an upper positioning device, and the lower guide rail group is provided with a lower positioning device.
Further, the calibration mechanism comprises a calibration base at the bottom, a micro sliding table is arranged on one side, close to the center of the portal frame, of the calibration base, a calibration frame bottom plate is arranged on the micro sliding table, a calibration frame is arranged on the calibration frame bottom plate, and a calibration sheet is placed at the tail end of the calibration frame.
Further, the upper guide rail group comprises a cross beam, a linear guide rail pair is arranged on the cross beam, and a rack is arranged on the upper end face of the linear guide rail pair; the upper guide rail group is provided with an upper positioning device matched with the linear guide rail pair and the rack; the lower guide rail group and the upper guide rail group are symmetrically arranged and have the same structure.
Further, the upper positioning device comprises a mounting frame which is arranged on the upper guide rail group in a sliding manner; an upper servo motor is arranged at the top of the mounting frame, and a gear at the output shaft end of the upper servo motor is meshed with the rack; the front vertical face of the mounting frame is provided with an XZ axis sliding table group, and the XZ axis sliding table group is provided with a laser probe.
Further, the XZ-axis sliding table group comprises an upper X-axis sliding table, a Z-axis sliding table is arranged on the outer side of the X-axis sliding table, and the upper laser probe is installed on the Z-axis sliding table through an upper connecting plate.
Further, the lower positioning device comprises a mounting frame which is in sliding connection with the lower guide rail group, a lower servo motor is arranged on the lower end face of the mounting frame, an XY axis sliding table group is arranged on the front vertical face of the mounting frame, and a lower laser probe is arranged on the XY axis sliding table group.
Further, the lower laser probe comprises a lower Y-axis sliding table, a lower X-axis sliding table is arranged on the outer side of the Y-axis sliding table, and the lower laser probe is installed on the lower X-axis sliding table through a lower connecting plate.
A thickness measurement control method comprises the steps that powder is paved on a substrate by a powder paving station, a plate sequentially passes through a powder paving thickness meter, a sintering furnace and a plate thickness meter, whether the powder paving is uniform or not and whether height differences exist at two ends and the middle of the width direction of the plate or not are measured by the powder paving thickness meter station, and coarse first data are obtained; the plate is subjected to sintering furnace to melt, subside, cool and form the powder; and finally, obtaining an accurate thickness value of the formed plate through a plate thickness gauge by laser thickness measurement, calculating whether the settlement amount in the sintering process is qualified, comparing the thickness value with first data of a powder paving thickness gauge, comprehensively analyzing, feeding back to a powder paving station, timely making parameter change, and readjusting the powder paving thickness.
In summary, the application has the following beneficial effects:
1. the application adopts to spread powder thickness gauge and panel thickness gauge, and two thickness gauges link, deduces through the measured value of panel thickness gauge whether to spread powder thickness and pass through: the two-station thickness measuring structure is adopted, one online thickness meter is arranged at the powder laying station to detect the total thickness of the plate and the powder, the second thickness meter is arranged after the primary burning furnace, the two thickness meters are connected through a signal wire, the two thickness meters can read data mutually, the thickness difference between the two thickness meters automatically forms a database, so that whether the powder laying thickness is qualified is deduced, and the powder laying thickness of the front-end powder laying station is adjusted at any time.
2. The powder laying thickness gauge and the plate thickness gauge are connected and then work in a double-machine mode, disconnected and then work in a single-machine mode, and can independently run and measure and analyze respective data.
3. According to the laser head optical axis alignment device, through adjusting the XZ axis sliding table group of the upper positioning device and the XY axis sliding table group of the lower positioning device, the Z axis of the upper sliding table can move forwards and backwards, and the Y axis of the lower sliding table moves leftwards and rightwards, so that the coincidence of the optical axes of the upper laser head and the lower laser head can be realized; in addition, the X axis of the upper sliding table and the X axis of the lower sliding table can be used for fine adjustment of the laser ranging range, so that the upper and lower directions of the plate material passing through the space between the two laser heads are completely located in the middle position of the two laser heads.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic perspective view of a plate thickness gauge;
FIG. 3 is a schematic view of the internal device of the portal frame;
FIG. 4 is a schematic diagram of the calibration mechanism;
FIG. 5 is a schematic diagram of an XZ-axis sliding table;
FIG. 6 is a schematic view of an XY-axis sliding table;
fig. 7 is a control block diagram of the apparatus of the present application.
Reference numerals illustrate:
1. paving a powder thickness gauge; 2. a powder laying thickness gauge controller; 3. a sintering furnace; 4. a plate thickness gauge; 5. a plate thickness gauge controller; 6. paving a powder board; 7. a signal line;
401. a portal frame; 402. a calibration mechanism; 4021. calibrating a base; 4022. a micro sliding table; 4023. calibrating a bottom plate of the frame; 4024. a calibration frame; 4025. a standard piece;
403. an upper guide rail group; 4031. a cross beam; 4032. a linear guide rail pair; 4033. a rack; 404. a lower guide rail group;
405. an upper positioning device; 4051. a mounting frame; 4052. a servo motor is arranged; 4053. an XZ axis slide group; 4054. a laser probe is arranged; 4055. an upper X-axis sliding table; 4056. a Z-axis sliding table; 4057. an upper connecting plate;
406. a lower positioning device; 4061. a lower servo motor; 4062. an XY axis slide group; 4063. a lower laser probe; 4064. a lower X-axis sliding table; 4065. a Y-axis sliding table; 4066. and a lower connecting plate.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings. The application discloses a plate powder spreading thickness detection device, as shown in fig. 1, comprising a sintering furnace 3, wherein a powder spreading thickness gauge 1 is arranged at the other end of the sintering furnace 3, and the powder spreading thickness gauge 1 is connected with a powder spreading thickness gauge controller 2; one end of the sintering furnace 3 is provided with a plate thickness gauge 4, and the plate thickness gauge 4 is connected with a plate thickness gauge controller 5; the powder laying thickness gauge 1 and the plate thickness gauge 4 have the same structure; the powder laying thickness gauge controller 2 is connected with the plate thickness gauge controller 5 through a signal wire 7. The two machines adopt a master-slave serial communication mode, the isolation type communication module can mutually transmit data information and integrate and analyze, any thickness meter can be independently closed, only a single machine is operated, information such as thickness values and the like is independently processed, and in order to ensure accurate measurement and calculation of the powder spreading thickness, two thickness meters are selected to be used together.
As shown in fig. 2, the plate thickness gauge 4 includes a portal frame 401, a calibration mechanism 402, an upper guide rail set 403, a lower guide rail set 404, an upper positioning device 405 and a lower positioning device 406; the calibration mechanism 402 is positioned on the side wall of the portal frame 401, and an upper guide rail group 403 and a lower guide rail group 404 which are parallel to each other are arranged in the portal frame 401 up and down; an upper positioning device 405 is disposed on the upper guide rail set 403, a lower positioning device 406 is disposed on the lower guide rail set 404, and the plate passes between the upper guide rail set 403 and the lower guide rail set 404, i.e. the thickness value can be measured by the upper and lower positioning devices.
Before working, the two thickness gauges are required to be calibrated, as shown in fig. 4, the calibration mechanism 402 comprises a calibration base 4021 at the bottom, a micro-sliding table 4022 is arranged on one side, close to the center of the portal frame 401, of the calibration base 4021, a calibration frame base 4023 is arranged on the micro-sliding table 4022, a calibration frame 4024 is arranged on the calibration frame base 4023, and a calibration sheet 4025 is arranged at the tail end of the calibration frame 4024.
As shown in fig. 3, the upper guide rail group 403 includes a cross beam 4031, a linear guide rail pair 4032 is disposed on the cross beam 4031, and a rack 4033 is disposed on an upper end surface of the linear guide rail pair 4032; the upper guide rail group 403 is provided with an upper positioning device 405 matched with the linear guide rail pair 4032 and the rack 4033; the lower guide rail set 404 and the upper guide rail set 403 are symmetrically arranged and have the same structure.
The upper positioning device 405 includes a mounting frame 4051, and the mounting frame 4051 is slidably disposed on the upper rail set 403; an upper servo motor 4052 is arranged at the top of the mounting frame 4051, and an output shaft end gear of the upper servo motor 4052 is meshed with the rack 4033; the front vertical surface of the mounting frame 4051 is provided with an XZ-axis sliding table group 4053, and a laser probe 4054 is mounted on the XZ-axis sliding table group 4053.
The lower positioning device 406 comprises a mounting frame which is in sliding connection with the lower guide rail group 404, a lower servo motor 4061 is arranged on the lower end surface of the mounting frame, an XY-axis sliding table group 4062 is arranged on the front vertical surface of the mounting frame, and a lower laser probe 4063 is arranged on the XY-axis sliding table group 4062.
As shown in fig. 5, the XZ-axis sliding table set 4053 includes an upper X-axis sliding table 4055, a Z-axis sliding table 4056 is disposed outside the X-axis sliding table 4055, and the upper laser probe 4054 is mounted on the Z-axis sliding table 4056 through an upper connection plate 4057.
As shown in fig. 6, the lower laser probe 4063 includes a lower Y-axis sliding table 4065, a lower X-axis sliding table 4064 is disposed outside the Y-axis sliding table 4065, and the lower laser probe 4063 is mounted on the lower X-axis sliding table 4064 through a lower connecting plate 4066.
The effective range of the laser head is 30+/-5 mm, so that the laser head is easy to exceed the range measurement range, fine adjustment can be carried out through the upper X-axis sliding table 4055 and the lower X-axis sliding table 4064, measurement accuracy is further ensured, and debugging efficiency is improved.
The upper servo motor and the lower servo motor run synchronously, the optical axes of the upper laser measuring head and the lower laser measuring head are adjusted to coincide through installation and debugging before running, if the thickness of the plate is measured through the upper laser head and the lower laser head accurately, the optical axes of the upper laser head and the lower laser head must coincide, otherwise, the two points of the optical axes of the two laser heads, which are irradiated on the upper surface and the lower surface of the powder-paved plate, are not on the same axis, at the moment, if the surface of the plate is uneven, the measured thickness has deviation, and therefore, the upper position, the lower position and the front position can be adjusted through the XZ axis sliding table group 4053; the up-down and left-right position adjustment is performed by the XY-axis slide table group 4062.
The theory of operation of this application thickness check out test set does: the powder laying station lays the powder on the plate surface of the plate, the plate sequentially passes through the powder laying thickness gauge 1, the sintering furnace 3 and the plate thickness gauge 4, and whether the powder laying is uniform or not and whether the height difference exists between the two ends and the middle of the width direction of the plate or not is measured at the powder laying thickness gauge 1 station, so that first data are obtained; the plate material is subjected to sintering furnace 3 to melt, subside, cool and form the material powder; and finally, obtaining an accurate thickness value of the formed plate through the plate thickness gauge 4 by laser thickness measurement, calculating whether the settlement amount in the sintering process is qualified, comparing the thickness value with first data of the powder paving thickness gauge 1, comprehensively analyzing, feeding back to a powder paving station, timely making parameter change, and readjusting the powder paving thickness.
As shown in fig. 7, the machine a is a master machine, i.e., a powder laying thickness gauge 1, and the machine b is a slave machine, i.e., a plate thickness gauge 4. The upper and lower servo motors rotate and are meshed with each other through the gears and racks, so that the upper and lower laser measuring heads horizontally move along the respective linear guide rail pairs, and when the upper and lower laser measuring heads move to the calibration mechanism 402, light beams emitted by the upper and lower laser measuring heads irradiate on the calibration piece 4025 on the calibration mechanism 402 at the moment, and automatic calibration is performed. When the powder-paved plate 6 passes through the thickness gauge, the upper and lower servo motors work to drive the upper and lower laser measuring heads to scan the cross section on the plate for thickness measurement. The powder-spreading plate 6 has gaps among granular particles, so that the powder-spreading thickness gauge 1 cannot measure an accurate value, but after the powder-spreading plate is sintered in the sintering furnace 3, the measured value is accurate when the powder is melted and cooled and passes through the plate thickness gauge 4 (and whether the thickness gauge is accurate or not can be measured and identified by measuring by a micrometer equivalent tool, but the plate after powder spreading is not measured), the plate thickness gauge controller 5 collects data and transmits the data to the powder-spreading thickness gauge controller 1 through the signal wire 7, and then whether the powder-spreading thickness of the powder-spreading machine is qualified is calculated by calculating the sedimentation quantity after the powder is melted. Because the settlement amount is fixed. So that whether the powder laying thickness is qualified can be calculated through data.
The above is a preferred embodiment of the present application, the present application is not limited to the above-implemented structure, and may be variously modified, and is not limited to the above-described application field, and may be applied in more similar fields, and in any case, all modifications and variations of the design concept, mechanical structure form, and intelligent driving control manner of the present application are all within the scope of the present application.
Claims (8)
1. The utility model provides a panel shop powder thickness check out test set, includes fritting furnace (3), its characterized in that: one end of the sintering furnace (3) is provided with a powder laying thickness gauge (1), and the powder laying thickness gauge (1) is connected with a powder laying thickness gauge controller (2); the other end of the sintering furnace (3) is provided with a plate thickness gauge (4), and the plate thickness gauge (4) is connected with a plate thickness gauge controller (5); the powder laying thickness gauge (1) and the plate thickness gauge (4) have the same structure; the powder laying thickness gauge controller (2) is connected with the plate thickness gauge controller (5) through a signal wire (7);
the powder spreading station spreads the powder on the plate surface of the plate, the plate sequentially passes through the powder spreading thickness gauge (1), the sintering furnace (3) and the plate thickness gauge (4), and whether the powder spreading is uniform and whether the height difference exists at the two ends and the middle of the width direction of the plate or not is measured at the powder spreading thickness gauge (1) station, so that first data are obtained; the plate is subjected to sintering furnace (3) to melt, subside, cool and form the powder; and finally, obtaining an accurate thickness value of the formed plate through a plate thickness gauge (4) by laser thickness measurement, calculating whether the settlement amount in the sintering process is qualified, comparing the thickness value with first data of a powder paving thickness gauge (1), comprehensively analyzing, feeding back to a powder paving station, timely making parameter change, and readjusting the powder paving thickness.
2. The board powder thickness detection apparatus as claimed in claim 1, wherein: the plate thickness gauge (4) comprises a portal frame (401), a calibration mechanism (402), an upper guide rail group (403), a lower guide rail group (404), an upper positioning device (405) and a lower positioning device (406); the calibrating mechanism (402) is positioned on the side wall of the portal frame (401), and an upper guide rail group (403) and a lower guide rail group (404) which are parallel to each other are arranged in the portal frame (401) up and down; an upper positioning device (405) is arranged on the upper guide rail group (403), and a lower positioning device (406) is arranged on the lower guide rail group (404).
3. A board powder thickness detection apparatus as defined in claim 2, wherein: the calibrating mechanism (402) comprises a calibrating base (4021) at the bottom, a micro-motion sliding table (4022) is arranged on one side, close to the center of the portal frame (401), of the calibrating base (4021), a calibrating frame base plate (4023) is arranged on the micro-motion sliding table (4022), a calibrating frame (4024) is arranged on the calibrating frame base plate (4023), and a calibrating sheet (4025) is placed at the tail end of the calibrating frame (4024).
4. A board powder thickness detection apparatus as defined in claim 2, wherein: the upper guide rail group (403) comprises a cross beam (4031), a linear guide rail pair (4032) is arranged on the cross beam (4031), and a rack (4033) is arranged on the upper end surface of the linear guide rail pair (4032); the upper guide rail group (403) is provided with an upper positioning device (405) matched with the linear guide rail pair (4032) and the rack (4033); the lower guide rail group (404) and the upper guide rail group (403) are symmetrically arranged and have the same structure.
5. The board powder thickness detection apparatus as claimed in claim 4, wherein: the upper positioning device (405) comprises a mounting frame (4051), and the mounting frame (4051) is arranged on the upper guide rail group (403) in a sliding manner; an upper servo motor (4052) is arranged at the top of the mounting frame (4051), and an output shaft end gear of the upper servo motor (4052) is meshed with the rack (4033); the front elevation of the mounting frame (4051) is provided with an XZ-axis sliding table group (4053), and the XZ-axis sliding table group (4053) is provided with a laser probe (4054).
6. The board powder thickness detection apparatus as set forth in claim 5, wherein: XZ axle slip table group (4053) is including last X axle slip table (4055) outside sets up Z axle slip table (4056), go up laser probe (4054) and install on Z axle slip table (4056) through upper junction plate (4057).
7. A board powder thickness detection apparatus as defined in claim 2, wherein: the lower positioning device (406) comprises a mounting frame which is connected with the lower guide rail group (404) in a sliding way, a lower servo motor (4061) is arranged on the lower end face of the mounting frame, an XY axis sliding table group (4062) is arranged on the front vertical face of the mounting frame, and a lower laser probe (4063) is arranged on the XY axis sliding table group (4062).
8. The board powder thickness detection apparatus as set forth in claim 7, wherein: the lower laser probe (4063) comprises a lower Y-axis sliding table (4065), a lower X-axis sliding table (4064) is arranged on the outer side of the Y-axis sliding table (4065), and the lower laser probe (4063) is installed on the lower X-axis sliding table (4064) through a lower connecting plate (4066).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111214337.9A CN113932721B (en) | 2021-10-19 | 2021-10-19 | Plate powder spreading thickness detection equipment and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111214337.9A CN113932721B (en) | 2021-10-19 | 2021-10-19 | Plate powder spreading thickness detection equipment and control method thereof |
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| CN113932721B true CN113932721B (en) | 2024-01-19 |
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| CN113932721A (en) | 2022-01-14 |
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