CN111941259B - Waxing and polishing device for automatically detecting polishing interface and interface detection method thereof - Google Patents

Waxing and polishing device for automatically detecting polishing interface and interface detection method thereof Download PDF

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Publication number
CN111941259B
CN111941259B CN202010684077.0A CN202010684077A CN111941259B CN 111941259 B CN111941259 B CN 111941259B CN 202010684077 A CN202010684077 A CN 202010684077A CN 111941259 B CN111941259 B CN 111941259B
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polishing
unit
interface
pot body
roughness
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CN111941259A (en
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唐建中
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Kingzon Holding Co ltd
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Kingzon Holding Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
    • B24B29/04—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for rotationally symmetrical workpieces, e.g. ball-, cylinder- or cone-shaped workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/14—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the temperature during grinding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

The invention discloses a waxing and polishing device for automatically detecting a polishing interface, which comprises a pot body polishing unit, an automatic waxing unit and a pot body clamping unit, wherein the pot body polishing unit is used for polishing a pot body; the pan body polishing unit comprises a polishing wheel driven by a driving source; the pot body clamping unit comprises an inner clamping assembly, and the inner clamping assembly is used for fastening a pot body during polishing by opening and closing through a driving source; the polishing device also comprises a polishing interface temperature detection device and a polishing interface roughness detection unit; through clamping component in will setting up, error when can matching the pot body preparation for when polishing, the increase of pot body fixed strength improves stability when polishing, and secondly, detect the polishing interface in the polishing, can effectively reduce the probability of doing over again, once only accomplish the polishing, the precision is higher, can improve production efficiency greatly.

Description

Waxing and polishing device for automatically detecting polishing interface and interface detection method thereof
Technical Field
The invention relates to the technical field of polishing, in particular to a waxing and polishing device for automatically detecting a polishing interface and an interface detection method thereof.
Background
Stainless steel pot all adopts stainless steel sheet to carry out punching press stretch forming in process of production, can form a lot of wire drawing vestiges in pot internal surface after pot stamping forming, and the surface is also relatively coarse, consequently just need carry out the polishing operation in process of production, and the defect that current burnishing device exists lies in: the polishing device generally comprises a pot body fixing unit and a polishing unit, wherein the pot body fixing unit is used for fixing a pot body to be polished, and the polishing unit extends into the pot body to be polished to polish the inner wall of the pot body; the fixing cavity of the existing pot body fixing unit is of a fixed size, and after a pot body is arranged in the fixing cavity, due to the error in pot body processing, not all the pot bodies can be well matched with the fixing cavity, so that the pot body which cannot be well matched shakes in the polishing process, and the polishing effect is influenced; secondly, because the interface conditions of the surfaces of the pot bodies are different, after polishing is finished, the pot bodies need to be manually taken down, whether the polishing effect reaches the standard or not is obtained through visual observation, and if the polishing effect does not reach the standard, polishing needs to be carried out again; the process is complicated, and the working process is influenced; secondly, the accuracy of visual observation is not high, and the influence of human factors is large.
Disclosure of Invention
The invention aims to provide a waxing and polishing device for automatically detecting a polishing interface and an interface detection method thereof, which are used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the waxing and polishing device for automatically detecting the polishing interface comprises a pot body polishing unit, an automatic waxing unit and a pot body clamping unit, wherein the pot body polishing unit, the automatic waxing unit and the pot body clamping unit are arranged on a working platform; the pot body clamping unit and the pot body polishing unit can be close to or far away from each other on the same axis; the pan body clamping unit can rotate relative to the working platform to adjust the angle, and the automatic waxing unit is positioned on the side edge of the pan body polishing unit and can be far away from or close to the polishing wheel; the method is characterized in that: the pan body polishing unit comprises a polishing wheel driven by a driving source;
the pot body clamping unit comprises an inner clamping assembly, and the inner clamping assembly is used for fastening a pot body during polishing by opening and closing through a driving source; when the pan body needs to be taken down, the pan body is loosened to be convenient for taking;
the polishing interface temperature detection device comprises a plurality of temperature sensors arranged on the inner clamping assembly, a first control circuit board, a first wireless transmitting unit, a first wireless receiving unit and a computer processing unit, wherein the sensing surface of each temperature sensor and the inner side surface of the inner clamping assembly are on the same plane; the first wireless transmitting unit is connected with the first control circuit board; the first wireless receiving unit is connected with the computer processing unit and further comprises a first conductive slip ring connected to the pot body clamping unit, and the first conductive slip ring is electrically connected with the first control circuit board;
the polishing device also comprises a polishing interface roughness detection unit, wherein the polishing interface roughness detection unit comprises a plurality of laser displacement sensors arranged on the polishing wheel, and the laser emission points of the laser displacement sensors are lower than the surface of the polishing wheel; the wireless communication device also comprises a second control circuit board, a second wireless transmitting unit and a second wireless receiving unit, wherein the second control circuit board is integrated with a signal conditioning and amplifying unit and a signal processing unit; the second wireless transmitting unit is connected with the second control circuit board; the second wireless receiving unit is connected with the computer processing unit and further comprises a second conductive slip ring connected to the pot body polishing unit, and the second conductive slip ring is electrically connected with the second control circuit board.
Preferably, the inner clamping assembly comprises a plurality of necking pieces with gaps, the arrangement shape of the necking pieces is matched with the external contour of the pot body to be polished, the bottom ends of the necking pieces are connected with each other to form a necking piece bottom surface, an external shell is sleeved outside the necking pieces, the caliber of the external shell is gradually reduced from an opening to the inside, a driving rod for axially moving the necking pieces along the external shell is connected to the necking piece bottom surface, and a first driving cylinder is arranged at one end, away from the necking piece bottom surface, of the driving rod; a guide column is arranged between the bottom surface of the necking part and the bottom surface of the external shell, the pot body is arranged in the necking part, the necking part is pulled backwards through the first driving cylinder, the pot body is clamped by the necking part under the action of the external shell, a rotating shaft is fixedly connected to the external shell, and the driving rod is arranged in the rotating shaft; the outer shell is in transmission connection with the first driving motor.
Preferably, the inner side of the bottom surface of the necking part is concave to form a groove for accommodating the temperature sensor, a lead perforation is communicated with the groove, the first conductive slip ring is connected to the rotating shaft, a lead for connecting the first control circuit board and the temperature sensor penetrates through the lead perforation to be connected with the first conductive slip ring, and the first control circuit board is fixed on the driving rod.
Preferably, the polishing wheel comprises a body, an installation groove body is formed in the side face of the body, a plurality of laser displacement sensors are arranged in the installation groove body, a hollow cavity is formed in the body, a telescopic block is arranged in the cavity, a bearing is arranged outside the front end of the telescopic block, and the outer side wall of the bearing is in contact with the inside of the installation groove body; the front end of the telescopic block is provided with a laser displacement sensor, a laser emission point of the laser displacement sensor is lower than the surface of the telescopic block, the tail end of the body is provided with a hollow rotating shaft, the second conductive sliding ring is arranged on the rotating shaft, and the second control circuit board is arranged in the rotating shaft and is connected with the laser displacement sensor through a lead.
Wherein, the bottom of the telescopic block is provided with a spring. The front end of the body is provided with a step, and the bearing is abutted to the step.
When the polishing wheel extends into the pot body, the telescopic block is pushed to the bottom surface of the pot body and is pressed into the mounting groove body, after polishing is completed, the telescopic block extends out, and a laser displacement sensor at the front end of the telescopic block can measure the interface state of the pot body; the laser displacement sensor with the structure can detect the interface condition on the inner wall of the bottom of the pot body;
preferably, the tail end of the driving rod is connected with a fixing piece through a bearing, and the fixing piece is connected with a piston rod of the first driving cylinder.
Preferably, the rotating shaft is connected to a support through a bearing, the bottom of the support is connected with a first mounting plate in a sliding manner, and the support slides transversely along the first mounting plate; the bottom sliding connection of first mounting panel has the second mounting panel, and first mounting panel is for second mounting panel longitudinal movement, the bottom of second mounting panel is passed through the bearing frame and is connected with work platform, realizes that the second mounting panel is for work platform's rotation, still includes the rotation driving motor, rotation driving motor's casing and work platform fixed connection, piston rod and first mounting panel fixed connection.
Specifically, the method comprises the following steps: the mounting structures of the support, the first mounting plate, the second mounting plate and the like are the prior art and are not described in detail herein.
The automatic waxing mechanism is arranged in the direction of the side face perpendicular to the axis direction of the polishing wheel.
The interface detection method of the waxing and polishing device for automatically detecting the polishing interface comprises the following steps:
s1, taking a plurality of pan bodies to be polished in the same batch as samples to be polished; recording temperature data obtained by the polishing interface temperature detection means, the temperature data including a temperature change from the start to the end of polishing; forming a temperature change curve of each sample; selecting a plurality of samples of which polishing interfaces meet the standard; finding out a corresponding temperature change curve;
s2, removing the data with the maximum and minimum linear temperature changes to obtain the average temperature change curve of the rest samples; as a preset temperature variation curve;
s3, taking the polished pan body with the polishing interface meeting the standard, stopping the rotation of the pan body clamping unit, decelerating the polishing wheel, keeping the laser light emitted by the laser displacement sensor vertical to the tangent line of the surface to be measured, and taking the first distance measured by the laser displacement sensor as a preset standard horizontal plane;
s4, rotating for a circle at a slow speed, obtaining the position of each measurement point of each polished sample through a laser displacement sensor, comparing the position with a preset standard horizontal plane to obtain the height difference between the position of each measurement point and the preset standard horizontal plane, and drawing a roughness curve of each sample through the height difference;
s5, removing the data with the maximum and minimum roughness linear changes to obtain the average roughness change curves of the rest samples; as a preset roughness variation curve;
s6, polishing the pan body in the same batch, firstly detecting the polished pan body by a temperature detection device, when the temperature reaches a set point of a preset temperature change curve, starting to detect the interface roughness of the pan body by a polished interface roughness detection unit, comparing the interface roughness with the preset roughness change curve, and finishing polishing when the interface roughness is matched with the preset roughness change curve; and if the polishing is needed to be continued, continuing polishing until the roughness of the polished interface is matched with the preset roughness change curve.
Preferably, the set point in step S6 is the highest point of the preset temperature variation curve or 0.1-0.2 ℃ lower than the highest point.
Compared with the prior art, the invention has the beneficial effects that:
the waxing and polishing device for automatically detecting the polishing interface and the interface detection method thereof provided by the invention have the advantages that the inner clamping component is arranged, so that the error of the pot body during preparation can be matched, the fixing strength of the pot body during polishing is increased, the stability during polishing is improved, the polishing interface is detected during polishing, the rework probability can be effectively reduced, polishing is finished once, the precision is higher, and the production efficiency can be greatly improved.
Drawings
FIG. 1 is a schematic structural view of a pan body clamping unit according to the present invention;
FIG. 2 is a schematic diagram of a schematic frame structure of the polishing interface temperature detection apparatus and the polishing interface roughness detection unit according to the present invention;
FIG. 3 is a schematic structural diagram of a polishing interface roughness detecting unit according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 in another direction;
fig. 5 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
the waxing and polishing device for automatically detecting the polishing interface comprises a pot body polishing unit 1, an automatic waxing unit 2 and a pot body clamping unit 3, wherein the pot body polishing unit 1, the automatic waxing unit 2 and the pot body clamping unit are arranged on a working platform; the pot body clamping unit and the pot body polishing unit can be close to or far away from each other on the same axis; the pan body clamping unit can rotate relative to the working platform to adjust the angle, and the automatic waxing unit is positioned on the side edge of the pan body polishing unit and can be far away from or close to the polishing wheel; the pan body polishing unit comprises a polishing wheel 4 driven by a driving source;
the pot body clamping unit comprises an inner clamping assembly 5, and the inner clamping assembly is used for fastening a pot body during polishing by opening and closing through a driving source; when the pan body needs to be taken down, the pan body is loosened to be convenient for taking;
the polishing interface temperature detection device comprises a plurality of temperature sensors 6 arranged on the inner clamping assembly, a first control circuit board 7, a first wireless transmitting unit 8, a first wireless receiving unit 9 and a computer processing unit 10, wherein the sensing surface of each temperature sensor and the inner side surface of the inner clamping assembly are on the same plane, and the first control circuit board is integrated with a signal conditioning and amplifying unit 11 and a signal processing unit 12; the signal conditioning and amplifying unit 11 and the signal processing unit 12 are mainly used for converting an analog signal into a digital signal which can be recognized by a computer after the signal is amplified, and the modules of the signal conditioning and amplifying unit are the existing modules and are not described herein again; the first wireless transmitting unit is connected with the first control circuit board; the first wireless receiving unit is connected with the computer processing unit and also comprises a first conductive slip ring 18 connected to the pot body clamping unit, and the first conductive slip ring is electrically connected with the first control circuit board;
the polishing device also comprises a polishing interface roughness detection unit, wherein the polishing interface roughness detection unit comprises a plurality of laser displacement sensors 13 arranged on the polishing wheel, and the laser emission points of the laser displacement sensors are lower than the surface of the polishing wheel; the wireless communication device also comprises a second control circuit board 14, a second wireless transmitting unit 15 and a second wireless receiving unit 16, wherein the second control circuit board is integrated with a signal conditioning and amplifying unit and a signal processing unit; the second wireless transmitting unit is connected with the second control circuit board; the second wireless receiving unit is connected with the computer processing unit and further comprises a second conductive slip ring 17 connected to the pot body polishing unit, and the second conductive slip ring is electrically connected with the second control circuit board.
The inner clamping assembly comprises a plurality of necking parts 37 with gaps among the necking parts, in the embodiment, the inner clamping assembly is formed by arranging 8 necking parts, the arrangement shape of the necking parts is matched with the external contour of a pot body to be polished, the bottom ends of the necking parts are connected with each other to form a necking part bottom surface 19, an external shell 20 is sleeved outside the necking part, the caliber of the external shell is gradually reduced from an opening to the inside, a driving rod 21 for moving the necking part along the axial direction of the external shell is connected to the necking part bottom surface, and one end of the driving rod, which is far away from the necking part bottom surface, is provided with a first driving cylinder 22; a guide column 23 is arranged between the bottom surface of the necking part and the bottom surface of the outer shell, the pot body is arranged in the necking part, the necking part is pulled backwards through the first driving cylinder, the necking part clamps the pot body under the action of the outer shell, a rotating shaft 24 is fixedly connected to the outer shell, and the driving rod is arranged in the rotating shaft; the outer shell is in transmission connection with the first driving motor.
The inner side of the bottom surface of the necking part is concave to form a groove for placing a temperature sensor, a lead perforation is formed by communicating the groove, the first conductive slip ring is connected to the rotating shaft, a lead for connecting the first control circuit board and the temperature sensor penetrates through the lead perforation to be connected with the first conductive slip ring, and the first control circuit board is fixed on the driving rod.
The polishing wheel comprises a body 25, wherein an installation groove body 26 is formed in the side face of the body, a plurality of laser displacement sensors 27 are arranged in the installation groove body, a hollow cavity is formed in the body, a telescopic block 28 is arranged in the cavity, a bearing 29 is arranged outside the front end of the telescopic block, and the outer side wall of the bearing is in contact with the inside of the body; the front end of the telescopic block is provided with a laser displacement sensor, the laser emission point of the laser displacement sensor is lower than the surface of the telescopic block, the tail end of the body is provided with a hollow rotating shaft 30, the second conductive sliding ring is arranged on the rotating shaft, and the second control circuit board is arranged in the rotating shaft and is connected with the laser displacement sensor through a lead.
Wherein, a spring 31 is arranged on the bottom end of the telescopic block. The front end of the body is provided with a step, and the bearing is abutted to the step.
When the polishing wheel extends into the pot body, the telescopic block is pushed to the bottom surface of the pot body and is pressed into the mounting groove body, after polishing is completed, the telescopic block extends out, and a laser displacement sensor at the front end of the telescopic block can measure the interface state of the pot body; the laser displacement sensor with the structure can detect the interface condition on the inner wall of the bottom of the pot body;
the end of the drive rod is connected with a fixing member 32 through a bearing, and the fixing member is connected with a first drive cylinder piston rod.
The rotating shaft is connected to a support 33 through a bearing, the bottom of the support is connected with a first mounting plate 34 in a sliding mode, and the support slides transversely along the first mounting plate; the bottom sliding connection of first mounting panel has second mounting panel 35, and first mounting panel is for second mounting panel longitudinal movement, the bottom of second mounting panel is passed through the bearing frame and is connected with work platform, realizes that the second mounting panel is for work platform's rotation, still includes rotary drive motor 36, rotary drive motor's casing and work platform fixed connection, piston rod and first mounting panel fixed connection.
Specifically, the method comprises the following steps: the mounting structures of the support, the first mounting plate, the second mounting plate and the like are the prior art and are not described in detail herein.
The automatic waxing mechanism is arranged in the direction of the side face perpendicular to the axis direction of the polishing wheel.
The interface detection method of the waxing and polishing device for automatically detecting the polishing interface comprises the following steps:
s1, taking a plurality of pan bodies to be polished in the same batch as samples to be polished; recording temperature data obtained by the polishing interface temperature detection means, the temperature data including a temperature change from the start to the end of polishing; forming a temperature change curve of each sample; selecting a plurality of samples of which polishing interfaces meet the standard; finding out a corresponding temperature change curve;
s2, removing the data with the maximum and minimum linear temperature changes to obtain the average temperature change curve of the rest samples; as a preset temperature variation curve;
s3, taking the polished pan body with the polishing interface meeting the standard, stopping the rotation of the pan body clamping unit, decelerating the polishing wheel, keeping the laser light emitted by the laser displacement sensor vertical to the tangent line of the surface to be measured, and taking the first distance measured by the laser displacement sensor as a preset standard horizontal plane;
s4, rotating for a circle at a slow speed, obtaining the position of each measurement point of each polished sample through a laser displacement sensor, comparing the position with a preset standard horizontal plane to obtain the height difference between the position of each measurement point and the preset standard horizontal plane, and drawing a roughness curve of each sample through the height difference;
s5, removing the data with the maximum and minimum roughness linear changes to obtain the average roughness change curves of the rest samples; as a preset roughness variation curve;
s6, polishing the pan body in the same batch, firstly detecting the polished pan body by a temperature detection device, when the temperature reaches a set point of a preset temperature change curve, starting to detect the interface roughness of the pan body by a polished interface roughness detection unit, comparing the interface roughness with the preset roughness change curve, and finishing polishing when the interface roughness is matched with the preset roughness change curve; and if the polishing is needed to be continued, continuing polishing until the roughness of the polished interface is matched with the preset roughness change curve.
Wherein, the set point in the step S6 is the highest point of the preset temperature variation curve or 0.1-0.2 ℃ lower than the highest point.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Polishing interface automated inspection's waxing burnishing device, its characterized in that: comprises a pan body polishing unit, an automatic waxing unit and a pan body clamping unit which are arranged on a working platform; the pot body clamping unit and the pot body polishing unit can be close to or far away from each other on the same axis; the pan body clamping unit can rotate relative to the working platform to adjust the angle, and the automatic waxing unit is positioned on the side edge of the pan body polishing unit and can be far away from or close to the polishing wheel; the pan body polishing unit comprises a polishing wheel driven by a driving source;
the pot body clamping unit comprises an inner clamping assembly, and the inner clamping assembly is used for fastening a pot body during polishing by opening and closing through a driving source; when the pan body needs to be taken down, the pan body is loosened to be convenient for taking;
the polishing interface temperature detection device comprises a plurality of temperature sensors arranged on the inner clamping assembly, a first control circuit board, a first wireless transmitting unit, a first wireless receiving unit and a computer processing unit, wherein the sensing surface of each temperature sensor and the inner side surface of the inner clamping assembly are on the same plane; the first wireless transmitting unit is connected with the first control circuit board; the first wireless receiving unit is connected with the computer processing unit and further comprises a first conductive slip ring connected to the pot body clamping unit, and the first conductive slip ring is electrically connected with the first control circuit board;
the polishing device also comprises a polishing interface roughness detection unit, wherein the polishing interface roughness detection unit comprises a plurality of laser displacement sensors arranged on the polishing wheel, and the laser emission points of the laser displacement sensors are lower than the surface of the polishing wheel; the wireless communication device also comprises a second control circuit board, a second wireless transmitting unit and a second wireless receiving unit, wherein the second control circuit board is integrated with a signal conditioning and amplifying unit and a signal processing unit; the second wireless transmitting unit is connected with the second control circuit board; the second wireless receiving unit is connected with the computer processing unit and also comprises a second conductive slip ring connected to the pot body polishing unit, and the second conductive slip ring is electrically connected with the second control circuit board;
the inner clamping assembly comprises a plurality of necking pieces with gaps, the arrangement shape of the necking pieces is matched with the outer contour of a pot body to be polished, the bottom ends of the necking pieces are connected with each other to form necking piece bottom surfaces, an outer shell is sleeved outside the necking pieces, the caliber of the outer shell is gradually reduced from an opening to the inside, a driving rod for axially moving the necking pieces along the outer shell is connected to the necking piece bottom surfaces, and one end, away from the necking piece bottom surfaces, of the driving rod is provided with a first driving cylinder; a guide column is arranged between the bottom surface of the necking part and the bottom surface of the external shell, the pot body is arranged in the necking part, the necking part is pulled backwards through the first driving cylinder, the pot body is clamped by the necking part under the action of the external shell, a rotating shaft is fixedly connected to the external shell, and the driving rod is arranged in the rotating shaft; the outer shell is in transmission connection with the first driving motor.
2. The waxing and polishing device for automatically detecting a polishing interface according to claim 1, wherein: the inner side of the bottom surface of the necking part is concave to form a groove for placing a temperature sensor, a lead perforation is formed by communicating the groove, the first conductive slip ring is connected to the rotating shaft, a lead for connecting the first control circuit board and the temperature sensor penetrates through the lead perforation to be connected with the first conductive slip ring, and the first control circuit board is fixed on the driving rod.
3. The waxing and polishing device for automatically detecting a polishing interface according to claim 1, wherein: the polishing wheel comprises a body, wherein an installation groove body is formed in the side face of the body, a plurality of laser displacement sensors are arranged in the installation groove body, a hollow cavity is formed in the body, a telescopic block is arranged in the cavity, a bearing is arranged outside the front end of the telescopic block, and the outer side wall of the bearing is in contact with the inside of the body; the front end of the telescopic block is provided with a laser displacement sensor, a laser emission point of the laser displacement sensor is lower than the surface of the telescopic block, the tail end of the body is provided with a hollow rotating shaft, the second conductive sliding ring is arranged on the rotating shaft, and the second control circuit board is arranged in the rotating shaft and is connected with the laser displacement sensor through a lead.
4. The waxing and polishing device for automatically detecting a polishing interface according to claim 1, wherein: the tail end of the driving rod is connected with a fixing piece through a bearing, and the fixing piece is connected with a first driving cylinder piston rod.
5. The waxing and polishing device for automatically detecting a polishing interface according to claim 1, wherein: the rotating shaft is connected to a support through a bearing, the bottom of the support is connected with a first mounting plate in a sliding mode, and the support slides transversely along the first mounting plate; the bottom sliding connection of first mounting panel has the second mounting panel, and first mounting panel is for second mounting panel longitudinal movement, the bottom of second mounting panel is passed through the bearing frame and is connected with work platform, realizes that the second mounting panel is for work platform's rotation, still includes the rotation driving motor, rotation driving motor's casing and work platform fixed connection, piston rod and first mounting panel fixed connection.
6. An interface inspection method of a waxing and polishing apparatus for automatically inspecting a polished interface according to any one of claims 1 to 5, characterized in that: the method comprises the following steps:
s1, taking a plurality of pan bodies to be polished in the same batch as samples to be polished; recording temperature data obtained by the polishing interface temperature detection means, the temperature data including a temperature change from the start to the end of polishing; forming a temperature change curve of each sample; selecting a plurality of samples of which polishing interfaces meet the standard; finding out a corresponding temperature change curve;
s2, removing the data with the maximum and minimum linear temperature changes to obtain the average temperature change curve of the rest samples; as a preset temperature variation curve;
s3, taking the polished pan body with the polishing interface meeting the standard, stopping the rotation of the pan body clamping unit, decelerating the polishing wheel, keeping the laser light emitted by the laser displacement sensor vertical to the tangent line of the surface to be measured, and taking the first distance measured by the laser displacement sensor as a preset standard horizontal plane;
s4, rotating for a circle at a slow speed, obtaining the position of each measurement point of each polished sample through a laser displacement sensor, comparing the position with a preset standard horizontal plane to obtain the height difference between the position of each measurement point and the preset standard horizontal plane, and drawing a roughness curve of each sample through the height difference;
s5, removing the data with the maximum and minimum roughness linear changes to obtain the average roughness change curves of the rest samples; as a preset roughness variation curve;
s6, polishing the pan body in the same batch, firstly detecting the polished pan body by a temperature detection device, when the temperature reaches a set point of a preset temperature change curve, starting to detect the interface roughness of the pan body by a polished interface roughness detection unit, comparing the interface roughness with the preset roughness change curve, and finishing polishing when the interface roughness is matched with the preset roughness change curve; and if the polishing is needed to be continued, continuing polishing until the roughness of the polished interface is matched with the preset roughness change curve.
7. The interface detection method of the waxing and polishing apparatus for automatically detecting a polished interface, according to claim 6, wherein: in step S6, the set point is the highest point of the preset temperature variation curve or 0.1-0.2 ℃ lower than the highest point.
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