CN116652607A - Brake block fluting device - Google Patents
Brake block fluting device Download PDFInfo
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- CN116652607A CN116652607A CN202310664362.XA CN202310664362A CN116652607A CN 116652607 A CN116652607 A CN 116652607A CN 202310664362 A CN202310664362 A CN 202310664362A CN 116652607 A CN116652607 A CN 116652607A
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- brake block
- displacement sensor
- polishing
- contact displacement
- brake
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- 238000005498 polishing Methods 0.000 claims abstract description 69
- 238000000034 method Methods 0.000 claims abstract description 29
- 239000004576 sand Substances 0.000 claims abstract description 14
- 238000013459 approach Methods 0.000 claims abstract description 9
- 238000006073 displacement reaction Methods 0.000 claims description 85
- 239000000463 material Substances 0.000 claims description 76
- 230000009471 action Effects 0.000 claims description 49
- 238000012546 transfer Methods 0.000 claims description 35
- 230000005540 biological transmission Effects 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 17
- 238000007405 data analysis Methods 0.000 claims description 16
- 238000000227 grinding Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 230000003993 interaction Effects 0.000 claims description 10
- 210000000078 claw Anatomy 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 9
- 230000002950 deficient Effects 0.000 claims description 7
- 238000010191 image analysis Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 238000013480 data collection Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000007517 polishing process Methods 0.000 abstract description 9
- 230000002159 abnormal effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000003754 machining Methods 0.000 description 5
- 238000003801 milling Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
- B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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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
- 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
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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
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
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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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a brake block grooving device, which relates to the technical field of brake block grooving, and mainly aims at the burr polishing process after the brake block grooving is finished, adopts an automatic polishing mode, is expressed as an approximation polishing method with the same-direction movement, and is specifically expressed as follows: after the brake block body with the grooving is fixed, the brake block approaches to the polishing sand plate at a constant speed, and the polishing sand plate synchronously moves at a constant speed in a direction away from the brake block body, the moving speed of the two moving states is limited to be greater than the moving speed, the approaching speed is particularly greater than the moving speed, the burr size generated after the grooving does not need to be calculated or detected in a key way, the moving speeds of the two moving states are used as a fixed quantity, and the moving speeds are mutually coordinated, so that burr polishing is finished in an approaching mode, a low-efficiency mode of manual polishing is abandoned, and the excessive polishing problem caused in the mechanical polishing process is avoided.
Description
Technical Field
The invention relates to the technical field of brake block slotting, in particular to a brake block slotting device.
Background
The brake pad is one of key components in a brake system, and in order to further improve the service performance of the brake pad, the designated position on the brake pad is required to be grooved, the processed groove is used for increasing air circulation, improving heat dissipation performance, rapidly removing dust generated by friction, greatly improving the heat attenuation resistance of the brake pad, ensuring safer running, referring to the technical content disclosed in the publication No. CN113263418A, CN115555653A, and the principle of the brake pad grooving technology is that a cutter is used for executing grooving action on the designated position on the brake pad.
The current grooving equipment can meet the grooving requirements of most brake pads based on a conventional machining mode, but the grooving equipment needs to be described: the grooving action is mainly based on a milling mode, such as: the milling cutter rotating at high speed is driven to the maximum grooving depth, the milling cutter moves along a preset groove curve on the premise that a brake pad to be grooved is kept clamped and fixed, and when the grooving action of the brake pad is executed for a long time, various uncertain factors exist, such as abrasion, large grooving depth, hardness change of the brake pad, change of a plastic deformation zone and the like of the milling cutter under long-time running, and burrs appear at the edge of the milled groove.
For the assembly process of the brake block, the assembly precision between the brake block and the brake disc is higher, when the problem of burrs and the like exist on the brake block, the actual contact distance between the brake block and the brake disc is larger than the preset assembly precision, particularly in the batch processing process, the detection is mostly carried out in a sampling inspection mode, the abnormal condition of the brake block is difficult to accurately and timely find, in addition, if the burrs are polished and eliminated by a conventional means, an additional process is not only added, and the following is needed: in manual polishing or mechanical polishing process, manual polishing is difficult to accurately control polishing force, and in mechanical polishing process, because generated burrs are smaller, the driving mode in the traditional mechanical polishing mode is difficult to meet actual polishing requirements, and then the abrasion degree of coating materials on the brake pad is increased.
Disclosure of Invention
The invention aims to provide a brake block grooving device which is used for solving the problem that when burrs are generated in the grooving process of a brake block, the abnormal situation is difficult to accurately and timely find, and on the premise of increasing the processing cost in the burr treatment process, the coating material on the brake block is possibly worn.
The aim of the invention can be achieved by the following technical scheme: the brake block grooving device comprises a machining center and material conveying tables, wherein the material conveying tables are respectively arranged at two side positions of the machining center, the material conveying tables at the left side position of the machining center are arranged to be material feeding positions, the material conveying tables at the right side position of the machining center are arranged to be material taking positions, a material feeding frame is arranged on the material conveying tables at the material feeding positions, a material taking frame is arranged on the material conveying tables at the material taking positions, and a first-stage frame and a transfer feeding frame are respectively arranged on the material conveying tables at the material taking positions;
the automatic grinding device is characterized in that a controller is arranged on the machining center, the transfer feeding frame is perpendicular to the installation direction of the material conveying table, a clamping structure is arranged in the feeding frame, the material taking frame and the transfer feeding frame, a grinding table is arranged at one side position of the material conveying table on the material taking position, the grinding table is arranged at the middle section position of the lower side of the transfer feeding frame, a second-stage frame is arranged at the upper section position of the transfer feeding frame corresponding to the grinding table, a positioning table is slidably arranged at the upper section position of the grinding table along the vertical direction, a third electric push rod is arranged at the center point position of the lower side surface of the grinding table, a transmission shaft of the third electric push rod extends upwards, the top end of a transmission rod of the third electric push rod is arranged on the positioning table, a sliding sleeve is arranged at the center point position of the upper surface of the second-stage frame, a sliding block is slidably arranged in the sliding sleeve, a servo motor is arranged at the center point position of the lower surface of the sliding sleeve, a grinding sheet is arranged at the tail end of the transmission rod of the servo motor, and the center point position of the upper surface of the sliding sleeve is provided with a first electric push rod, and the transmission rod is connected with the center point position of the first electric push rod.
Further provided is that: the material clamping structure comprises a linear motor, a horizontal sliding frame and a grabbing structure, wherein the grabbing structure is arranged on the horizontal sliding frame, the linear motor is arranged at one side of the feeding frame, the material taking frame and the transfer feeding frame, and a transmission rod of the linear motor is connected with the horizontal sliding frame.
Further provided is that: the controller consists of a data collection module, a data analysis module and a data distribution interaction module, and the first-stage frame is provided with an industrial camera.
Further provided is that: the four corners of the lower surface of the positioning table are provided with vertical guide rods which are vertically arranged, the vertical guide rods are in sliding connection in the polishing table, the central point of the bottom end of the inside of the positioning table is provided with a second electric push rod, the output shaft of the second electric push rod is provided with a fixing frame, four claw frames are arranged at four corners of the fixing frame and are in sliding connection along the vertical direction of the positioning table, the brake block body is placed on the positioning table, and the four claw frames are correspondingly arranged at four corners of the brake block body.
Further provided is that: four second contact displacement sensors are installed on the top end inside the sliding sleeve, two first contact displacement sensors are installed on the lower side of the sliding block, and the second contact displacement sensors penetrate through the sliding block and are in sliding connection with the sliding block.
Further provided is that: the contact position of the second contact displacement sensor is lower than that of the first contact displacement sensor, the second contact displacement sensor is positioned at the upper side of the upper surface of the positioning table, and the contact position of the second contact displacement sensor is not contacted with the upper surface of the brake block body;
the contact position of the first contact displacement sensor is higher than that of the second contact displacement sensor, the contact position of the first contact displacement sensor is lower than that of the polishing sand sheet, and the contact position of the first contact displacement sensor is located right above the brake block body.
In the use, after the machining center carries out the fluting action to the brake block body, carry out deckle edge action of polishing with the sand piece to the brake block body after the fluting action is accomplished to establish through the controller and obtain self-checking system, self-checking system operation process is as follows:
and a data collection module: the industrial camera is used for carrying out image acquisition on the brake block body after grooving actions are completed, so that image information data are obtained; recording and obtaining display values of the first contact displacement sensor and the second contact displacement sensor, collecting the propelling speeds of the first electric push rod and the third electric push rod, obtaining slot position size information data, and sending the image information data and the slot position size information data to a data analysis module;
and a data analysis module: the data analysis action is executed on the image information data and the slot size information data, and specifically comprises two actions:
s1: when the image information data is subjected to image analysis, the industrial camera acquires a real-time image of the brake block body, and the size self-inspection is performed on the slot position on the brake block body according to the real-time image;
s2: calibrating the display values of the first contact displacement sensor and the second contact displacement sensor as respectively、/>Imparting a radial distance between the first contact displacement sensor contact position and the second contact displacement sensor contact of +.>First contact displacement sensor contactThe radial distance between the point location and the sanding sheet is +.>And the retraction speed of the upward movement of the calibration slide +.>Approximation speed of upward movement of positioning table +.>When polishing rough edges of the brake pad body, wherein＜/>The moving process of the sliding block and the positioning table is in a uniform speed state, and the relative speed of the upward movement of the brake block body is established>Is calculated according to the actual formula: />And setting the relative speed +.>Is defined by the theoretical calculation formula: />Wherein T is the sum of the processing time of the processing center, the time of the feeding position for executing the feeding action and the time of the material taking position for executing the material taking action, and is +.>Calculating to obtain->And (3) withVariable results of (2);
and the data distribution interaction module is used for: the data in the data analysis module is sent to the data distribution interaction module, and the method specifically comprises the following steps of:
stage one: the stage is the initial stage in the burr polishing action, the sliding block is kept still, the positioning table approaches upwards to the sliding block until the positioning table contacts the second contact displacement sensor, and the second contact displacement sensor displays the numerical value asWherein the initial velocity of the positioning table approaching the slide upwards is +.>Then the positioning table keeps the speed unchanged and continues to move upwardsAnd the slider remains stationary and the value displayed on the first contact displacement sensor is +.>；
Stage two: after the operation in the first stage is completed, the theoretical radial distance between the polishing sand sheet and the upper surface of the brake block body is as followsAnd in phase one, ++>The method is divided into the following change states:
state one: when the brake block body moves towards the second contact displacement sensor,is a fixed value;
state three: in the process that the brake block body moves from the contact position of the second contact displacement sensor to the contact position of the first contact displacement sensor, the approaching speed of the positioning table is restored toAnd->＞/>；
State three: when the brake block body approaches to the polishing sand sheet from the contact position of the first contact displacement sensor, the sliding block and the positioning block synchronously move upwards, the positioning block is in an approaching state, and the sliding block is in a retreating state;
stage three: in the first stage to the second stage, the slot position size on the brake block body is judged through image analysis action, and the brake block body is divided into the following two product qualities according to the slot position size:
after the slot position size meets the production requirement: placing the brake block body after grooving is completed on a positioning table by a grabbing structure on a transfer feeding frame, and executing burr polishing action;
after the size of the groove position does not meet the production requirement, the grabbing structure on the transfer feeding frame does not grab the brake block body which completes the grooving action, and the brake block body with the size of the groove position does not meet the production requirement is continuously discharged by the material conveying table and is collected to obtain defective products;
positioning table for burr polishingApproaching a sanding sheet with +.>Far away from the brake pad body, in order to->To calculate +.>The rough edge polishing action is finished, after rough edge polishing is finished, the brake block body which finishes the rough edge polishing action through the grabbing structure on the transfer feeding frame is taken out from the positioning table again, and the good products are collected.
The invention has the following beneficial effects:
1. the invention is based on the grooving action of a brake block, is used for solving the problem of burrs on the brake block after finishing the grooving action, adopts a full-automatic production mode, and mainly reflects the technical scheme for solving the burrs on a transfer feeding frame, and aims at: the sum of the processing time and the material transmission time of the processing center is the time value of the polishing burrs, the successive burr polishing process is carried out on the brake pad body, the low-efficiency production mode of manual polishing is abandoned, and on the basis, an industrial camera is additionally arranged again to cooperate with the image analysis action, so that the purpose is to carry out preliminary detection on the brake pad body with the grooving, when defective products such as abnormal grooving and the like are found in time, the burr polishing action is not carried out, the waste of working time is avoided, and the defective products are singly collected and are not doped into qualified products;
2. in the burr polishing process, an approximation polishing method with the same direction movement is adopted, and the method is specifically characterized in that: the positioning table and the sliding block synchronously move upwards, at the moment, the positioning table is in an active approximation mode, and the sliding block drives the sanding sheet to be far away from the brake block body, and the moving distance between the positioning table and the sliding block is further limited to beThe dimension of the burr is not required to be calculated or detected, in the approximate polishing method, the advancing distance is increased in the polishing process of the burr, and the maximum moving distance between the brake block body and the polishing sand sheet is kept as +.>The purpose is that: the use requirement on a driving structure in the mechanical polishing process is reduced, and the problem of overgrinding in the mechanical polishing process is also avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a brake block grooving apparatus according to the present invention;
FIG. 2 is a top view of a brake block slotting device according to the present invention;
FIG. 3 is a schematic structural view of a transfer frame component in a brake block slotting device according to the present invention;
FIG. 4 is a cross-sectional view of a second stage frame member of a brake block slotting device according to the present invention;
FIG. 5 is a cross-sectional view of a polishing table component in a brake pad slotting device according to the present invention;
in the figure: 1. a machining center; 2. a material transfer station; 3. a feeding frame; 4. a material taking frame; 5. a first stage frame; 6. an industrial camera; 7. a transfer feeding frame; 8. a second stage frame; 9. a grinding table; 10. a linear motor; 11. a grabbing structure; 12. a first electric push rod; 13. a first contact displacement sensor; 14. a horizontal carriage; 15. polishing the abrasive sheet; 16. a positioning table; 17. four claw brackets; 18. a fixing frame; 19. a second electric push rod; 20. a third electric push rod; 21. a vertical guide rod; 22. a controller; 23. a sliding sleeve; 24. a second contact displacement sensor; 25. a slide block; 26. a servo motor.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The machining process of the brake block mainly utilizes CNC and other machining equipment to conduct grooving actions, the concrete operation process is not explained here, when the grooving actions are completed, larger or smaller burrs can occur at two sides of the groove, the assembly actions of the brake block are affected, and the following technical scheme is provided for the machining process:
referring to fig. 1 to 5, a brake block grooving device in this embodiment includes a machining center 1 and a material transfer table 2, where the material transfer tables 2 are respectively disposed at two sides of the machining center 1, the material transfer table 2 at the left side of the machining center 1 is set as a feeding level, the material transfer table 2 at the right side of the machining center 1 is set as a material taking level, a feeding frame 3 is disposed on the material transfer table 2 at the feeding level, a material taking frame 4 is disposed on the material transfer table 2 at the material taking level, and a first stage frame 5 and a transfer feeding frame 7 are respectively disposed on the material transfer table 2 at the material taking level;
the processing center 1 is provided with a controller 22, the transfer feeding frame 7 is perpendicular to the installation direction of the material conveying table 2, the feeding frame 3, the material taking frame 4 and the transfer feeding frame 7 are provided with material clamping structures, one side of the material conveying table 2 positioned on the material taking position is provided with a polishing table 9, the polishing table 9 is positioned at the middle section of the lower side of the transfer feeding frame 7, the upper section of the transfer feeding frame 7 corresponding to the polishing table 9 is provided with a second stage frame 8, the upper section of the polishing table 9 is provided with a positioning table 16 in a sliding way along the vertical direction, the center point of the lower side surface of the polishing table 9 is provided with a third electric push rod 20, the transmission shaft of the third electric push rod 20 extends upwards, the top end of the transmission rod of the third electric push rod 20 is arranged on the positioning table 16, the center point of the upper surface of the second stage frame 8 is provided with a sliding sleeve 23, the sliding sleeve 23 is internally and slidably provided with the sliding block 25, the central point of the lower surface of the sliding block 25 is provided with the servo motor 26, the tail end of a transmission rod of the servo motor 26 is provided with the sanding sheet 15, the central point of the upper surface of the sliding sleeve 23 is provided with the first electric push rod 12, the tail end of the transmission rod of the first electric push rod 12 is connected with the central point of the upper surface of the sliding block 25, the material clamping structure comprises a linear motor 10, a horizontal sliding frame 14 and a grabbing structure 11, the grabbing structure 11 is arranged on the horizontal sliding frame 14, the linear motor 10 is arranged at one side of the feeding frame 3, the material taking frame 4 and the transferring feeding frame 7, the transmission rod of the linear motor 10 is connected with the horizontal sliding frame 14, and the controller 22 consists of a data collecting module, a data analyzing module and a data shunting interaction module, and the industrial camera 6 is arranged on the first-stage frame 5.
The four corners of the lower surface of the positioning table 16 are provided with vertical guide rods 21 which are vertically arranged, the vertical guide rods 21 are in sliding connection with the polishing table 9, the center point of the bottom end inside the positioning table 16 is provided with a second electric push rod 19, the output shaft of the second electric push rod 19 is provided with a fixing frame 18, four claw brackets 17 are arranged at the four corners of the fixing frame 18, the four claw brackets 17 are in sliding connection with the positioning table 16 along the vertical direction of the positioning table 16, the positioning table 16 is provided with a brake block body, the four claw brackets 17 are correspondingly arranged at the four corners of the brake block body, the top end inside the sliding sleeve 23 is provided with four second contact displacement sensors 24, the lower side of the sliding block 25 is provided with two first contact displacement sensors 13, and the second contact displacement sensors 24 penetrate through the sliding block 25 and are in sliding connection with the sliding block 25.
The contact position of the second contact displacement sensor 24 is lower than that of the first contact displacement sensor 13, the second contact displacement sensor 24 is positioned at the upper side of the upper surface of the positioning table 16, and the contact position of the second contact displacement sensor 24 is not contacted with the upper surface of the brake pad body;
the contact position of the first contact displacement sensor 13 is higher than that of the second contact displacement sensor 24, and the contact position of the first contact displacement sensor 13 is lower than the setting position of the sanding sheet 15, and the contact position of the first contact displacement sensor 13 is located right above the brake block body.
Example two
The embodiment provides a self-checking system according to the following embodiments by combining the technical scheme in the first embodiment, which specifically includes:
in the use process, after the machining center 1 performs grooving action on the brake block body, the grinding sand sheet 15 is used for performing burr grinding action on the brake block body after grooving action is completed, and a self-checking system is established through the controller 22, and the operation process of the self-checking system is as follows:
and a data collection module: the industrial camera 6 is used for carrying out image acquisition on the brake block body after grooving operation is completed, so that image information data are obtained; the display values of the first contact displacement sensor 13 and the second contact displacement sensor 24 are recorded and obtained, the advancing speeds of the first electric push rod 12 and the third electric push rod 20 are collected, slot position size information data are obtained, and the image information data and the slot position size information data are sent to a data analysis module;
and a data analysis module: the data analysis action is executed on the image information data and the slot size information data, and specifically comprises two actions:
s1: when the image information data is subjected to image analysis, the industrial camera 6 acquires a real-time image of the brake block body, and performs size self-inspection on the slot position on the brake block body according to the real-time image;
s2: calibrating the display values of the first contact displacement sensor 13 and the second contact displacement sensor 24 as respectively、The radial distance between the contact position of the first contact displacement sensor 13 and the contact of the second contact displacement sensor 24 is given by +.>The radial distance between the contact position of the first contact displacement sensor 13 and the sanding sheet 15 is +.>And the retraction speed of the upward movement of the calibration slide 25 +.>Approximation speed of upward movement of positioning table 16 +.>When polishing rough edges on the brake pad body, wherein +.>＜/>And the slide 25 and the positioning table 16 are movedThe dynamic process is in a uniform speed state, and the relative speed of upward movement of the brake block body is established>Is calculated according to the actual formula: />And setting the relative speed +.>Is defined by the theoretical calculation formula: />Wherein T is the sum of the processing time of the processing center 1, the time of the feeding position performing the feeding action and the time of the material taking position performing the material taking action, and using +.>Calculating to obtain->And->Variable results of (2);
and the data distribution interaction module is used for: the data in the data analysis module is sent to the data distribution interaction module, and according to the variable results obtained in the data analysis module and the display values in the first contact displacement sensor 13 and the second contact displacement sensor 24, the method specifically comprises the following steps:
stage one: the stage is the initial stage in the burr polishing action, the slide block 25 is kept still, the positioning table 16 approaches the slide block 25 upwards until the positioning table 16 contacts the second contact displacement sensor 24, and the second contact displacement sensor 24 displays the value ofWherein the initial speed of the positioning table 16 approaching upwards the slide 25 is +.>The positioning stage 16 then maintains the speedBecome to continue to move upwards +.>And the slider 25 remains stationary and the value displayed on the first contact displacement sensor 24 is +.>；
Stage two: after the operation in stage one is completed, the theoretical radial distance between the sanding block 15 and the upper surface of the brake block body isAnd in phase one, ++>The method is divided into the following change states:
state one: when the brake pad body is moved toward the second contact displacement sensor 24,is a fixed value;
state three: in the process that the brake block body moves from the contact position of the second contact displacement sensor 24 to the contact position of the first contact displacement sensor 13, the approaching speed of the positioning table 16 is restored toAnd->＞/>；
State three: when the brake block body approaches to the polishing sand sheet 15 from the contact position of the first contact displacement sensor 13, the sliding block 25 and the positioning block 16 synchronously move upwards, the positioning block 16 is in an approaching state, and the sliding block 25 is in a retreating state;
stage three: in the first stage to the second stage, the slot position size on the brake block body is judged through image analysis action, and the brake block body is divided into the following two product qualities according to the slot position size:
after the slot position size meets the production requirement: the brake block body after grooving is placed on a positioning table 16 by a grabbing structure 11 on a transfer feeding frame 7, and burr polishing is performed;
after the slot position size does not meet the production requirement, the grabbing structure 11 on the transfer feeding frame 7 does not grab the brake block body which completes the grooving action, and the brake block body with the slot position size which does not meet the production requirement is continuously discharged by the material conveying table 2 and collected to obtain defective products;
positioning the stage 16 to perform burr grinding operationApproaching the sanding sheet 15, sanding the sanding sheet 15 to +.>Far away from the brake pad body, in order to->To calculate +.>The rough edge polishing action is completed, after rough edge polishing is completed, the brake block body with the rough edge polishing action completed by the grabbing structure 11 on the transfer feeding frame 7 is taken out from the positioning table 16 again, and good products are collected.
The implementation effect comprises the following parts:
the effect is as follows: firstly, the operation process of the machining center 1 is not described in detail, and mainly, the material transmission table 2 is used for transmitting the brake pad, and specifically referring to fig. 1 and 2, the following results are shown: the ungrooved brake pads are moved and transmitted from the left material transmission table 2 to the machining center 1, one brake pad is clamped and moved into the machining center 1 through a grabbing structure on a feeding position, after the grooving action is completed in the machining center 1, the brake pad which completes the grooving action is moved to the right material transmission table 2 through the grabbing structure on the feeding position, and then an automatic machining line is formed;
the effect is as follows: the brake blocks after grooving continuously move to the right, in an ideal state, the brake block body only has the problem of burrs, but under the abnormal problems of grooving dislocation and the like, when each brake block moves to the transfer feeding frame 7, the brake block body is grabbed onto the positioning table 16 by the grabbing structure 11 on the transfer feeding frame 7, after the rough grinding action of the positioning table 16 is finished, the grabbing structure 11 on the transfer feeding frame 7 grabs the brake block body after rough grinding is finished again, and the brake block body continuously moves and does not enter the material conveying table 2;
in actual situations, when the brake block moves to the first stage frame 5, the industrial camera 6 acquires the image information of the brake block with the grooving completed, through analyzing the grooving image on the brake block body, if abnormal problems such as grooving dislocation and the like are found, the grabbing structure 11 on the transferring and feeding frame can not grab the brake block body, can continue to move along with the material conveying table 2 until the brake block is discharged as a defective product, and collects and classifies the defective product and can not be doped into a qualified product;
the effect is three: when the burrs are polished, an approximation polishing method with the same direction movement is adopted, and the method is specifically characterized in that: the servo motor 26 drives the polishing sheet 15 to rotate at a high speed, the positioning table 16 drives the brake sheet body to move upwards, the sliding block 25 drives the servo motor 26 to move upwards, the positioning table 16 is limited to be in an approaching state at first, the sliding block 25 is in a retreating state relative to the positioning table 16, the speed in the approaching state is limited to be larger than that in the retreating state again, then when the brake sheet body continuously moves, the brake sheet body contacts with the polishing sheet 15 to finish burr polishing, and then a low-efficiency mode of traditional manual polishing is abandoned;
the effect is four: in the equidirectional approach polishing method, the display values on the first contact displacement sensor 13 and the second contact displacement sensor 24 are mainly used as the main numbers, and the radial distance between the contact position of the first contact displacement sensor 13 and the polishing sheet 15 is used, in particularThe displacement variation to the same direction movement is used here to form a calculation formula for the relative speed of the brake pad body: />And->To->For reference data, change->The purpose of the numerical value of (2) is to ensure that burrs are sufficiently polished off and the problem of overgrinding of a coating on a brake block body is avoided.
The foregoing is merely illustrative and explanatory of the invention, as it is well within the scope of the invention as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the invention as defined in the accompanying claims.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. The utility model provides a brake block fluting device, includes machining center (1), material transmission platform (2), its characterized in that, material transmission platform (2) set up respectively in machining center (1) both sides position, are located machining center (1) left side position material transmission platform (2) set up into the material feeding level, are located machining center (1) right side position material transmission platform (2) set up into material taking level, are located and are provided with feeding frame (3) on material transmission platform (2) on the material feeding level, are located and are provided with material taking frame (4) on material transmission platform (2) on the material taking level, and are located and are provided with first level frame (5) and transfer feeding frame (7) on material transmission platform (2) on the material taking level respectively;
the processing center (1) is provided with a controller (22), the transit feeding frame (7) is perpendicular to the installation direction of the material conveying table (2), the feeding frame (3), the material taking frame (4) and the transit feeding frame (7) are provided with clamping structures, one side position of the material conveying table (2) on the material taking position is provided with a polishing table (9), the polishing table (9) is positioned at the middle section of the lower side of the transit feeding frame (7), the transit feeding frame (7) is provided with a second stage frame (8) corresponding to the upper section position of the polishing table (9), the upper section position of the polishing table (9) is provided with a positioning table (16) in a sliding manner along the vertical direction, and a third electric push rod (20) is arranged at the center point position of the lower surface of the polishing table (9), a transmission shaft of the third electric push rod (20) extends upwards, the top end of the transmission rod of the third electric push rod (20) is arranged on the positioning table (16), a sliding sleeve (23) is arranged at the center point position of the upper surface of the second-stage frame (8), a sliding block (25) is arranged in the sliding sleeve (23) in a sliding manner, a servo motor (26) is arranged at the center point position of the lower surface of the sliding block (25), a polishing sheet (15) is arranged at the tail end of the transmission rod of the servo motor (26), the central point of the upper surface of the sliding sleeve (23) is provided with a first electric push rod (12), and the tail end of a transmission rod of the first electric push rod (12) is connected with the central point of the upper surface of the sliding block (25).
2. The brake block grooving device according to claim 1, characterized in that the clamping structure comprises a linear motor (10), a horizontal carriage (14) and a grabbing structure (11), the grabbing structure (11) is mounted on the horizontal carriage (14), the linear motor (10) is mounted on one side of the feeding frame (3), the taking frame (4) and the transferring frame (7), and a transmission rod of the linear motor (10) is connected with the horizontal carriage (14).
3. The brake block grooving device according to claim 1, characterized in that the controller (22) is composed of a data collection module, a data analysis module and a data distribution interaction module, and the first stage frame (5) is provided with an industrial camera (6).
4. The brake block grooving device according to claim 1, characterized in that vertical guide rods (21) which are vertically arranged are arranged at four corners of the lower surface of the positioning table (16), the vertical guide rods (21) are in sliding connection with each other in the polishing table (9), second electric push rods (19) are arranged at the central points of the bottom ends inside the positioning table (16), fixing frames (18) are arranged on output shafts of the second electric push rods (19), four claw frames (17) are arranged at four corners of the fixing frames (18), the four claw frames (17) are in sliding connection with each other along the vertical direction of the positioning table (16), a brake block body is placed on the positioning table (16), and the four claw frames (17) are correspondingly arranged at the four corners of the brake block body.
5. The brake block slotting device according to claim 1, wherein four second contact displacement sensors (24) are installed at the inner top end of the sliding sleeve (23), two first contact displacement sensors (13) are installed at the lower side of the sliding block (25), and the second contact displacement sensors (24) penetrate through the sliding block (25) and are in sliding connection with the sliding block (25).
6. The brake lining slotting device according to claim 5, wherein the contact position of the second contact displacement sensor (24) is lower than the contact position of the first contact displacement sensor (13), the second contact displacement sensor (24) is positioned at the upper side of the upper surface of the positioning table (16), and the contact position of the second contact displacement sensor (24) is not contacted with the upper surface of the brake lining body;
the contact position of the first contact displacement sensor (13) is higher than that of the second contact displacement sensor (24), the contact position of the first contact displacement sensor (13) is lower than the setting position of the polishing sand sheet (15), and the contact position of the first contact displacement sensor (13) is located right above the brake sheet body.
7. A brake pad grooving apparatus according to any one of claims 1-6, characterized in that, in use, after the machining center (1) performs grooving operation on the brake pad body, the grinding sand sheet (15) is used to perform burr grinding operation on the brake pad body after grooving operation is completed, and a self-checking system is built through the controller (22), and the operation process of the self-checking system is as follows:
and a data collection module: the industrial camera (6) is used for carrying out image acquisition on the brake block body after the grooving action is completed, so that image information data are obtained; recording and obtaining display values of the first contact displacement sensor (13) and the second contact displacement sensor (24), collecting the propelling speeds of the first electric push rod (12) and the third electric push rod (20), obtaining slot position size information data, and sending the image information data and the slot position size information data to a data analysis module;
and a data analysis module: the data analysis action is executed on the image information data and the slot size information data, and specifically comprises two actions:
s1: when the image information data is subjected to image analysis, the industrial camera (6) acquires a real-time image of the brake block body, and the size self-inspection is carried out on the slot position on the brake block body according to the real-time image;
s2: calibrating the display values of the first contact displacement sensor (13) and the second contact displacement sensor (24) as respectively、The radial distance between the contact position of the first contact displacement sensor (13) and the contact of the second contact displacement sensor (24) is given by +.>The radial distance between the contact position of the first contact displacement sensor (13) and the polishing sand sheet (15) is +.>And the retraction speed of the upward movement of the calibration slide (25) is +.>An approach speed of the upward movement of the positioning table (16)>When polishing rough edges on the brake pad body, wherein +.>＜/>The moving process of the sliding block (25) and the positioning table (16) is in a uniform speed state, and the relative speed of the upward movement of the brake block body is established>Is calculated according to the actual formula: />And setting the relative speed +.>Is defined by the theoretical calculation formula: />Wherein T is the sum of the processing time of the processing center (1), the time of the feeding position for executing the feeding action and the time of the material taking position for executing the material taking action, and utilizesCalculating to obtain->And->Variable results of (2);
and the data distribution interaction module is used for: the data in the data analysis module is sent to the data distribution interaction module, and the data distribution interaction module comprises the following steps according to the variable results obtained in the data analysis module and the display values in the first contact displacement sensor (13) and the second contact displacement sensor (24):
stage one: the stage is the initial stage in the burr polishing action, the sliding block (25) is kept still, the positioning table (16) approaches the sliding block (25) upwards until the positioning table (16) contacts the second contact displacement sensor (24), and the second contact displacement sensor (24) displays the numerical value asWherein the initial speed of the positioning table (16) approaching upwards the slide (25) is +.>The positioning table (16) then continues to move upwards without changing the speed>And the slide block (25) is kept still and the first contact displacement is transmittedThe sensor (24) is displayed with a value +.>；
Stage two: after the operation in the first stage is completed, the theoretical radial distance between the polishing sand sheet (15) and the upper surface of the brake sheet body is as followsAnd in phase one, ++>The method is divided into the following change states:
state one: when the brake block body moves to the second contact displacement sensor (24),is a fixed value;
state three: in the process that the brake block body moves from the contact position of the second contact displacement sensor (24) to the contact position of the first contact displacement sensor (13), the approaching speed of the positioning table (16) is restored toAnd->＞/>；
State three: when the brake block body approaches to the polishing sand sheet (15) from the contact position of the first contact displacement sensor (13), the sliding block (25) and the positioning block (16) synchronously move upwards, the positioning block (16) is in an approaching state, and the sliding block (25) is in a retreating state;
stage three: in the first stage to the second stage, the slot position size on the brake block body is judged through image analysis action, and the brake block body is divided into the following two product qualities according to the slot position size:
after the slot position size meets the production requirement: the brake block body after grooving is placed on a positioning table (16) through a grabbing structure (11) on a transfer feeding frame (7), and burr polishing is performed;
after the size of the groove position does not meet the production requirement, the grabbing structure (11) on the transfer feeding frame (7) does not grab the brake block body which completes the grooving action, and the brake block body with the size of the groove position which does not meet the production requirement is continuously discharged by the material conveying table (2) and is collected to obtain defective products;
positioning the stage (16) to perform a burr grinding operationApproaching the sanding sheet (15), sanding the sanding sheet (15) to +.>Far away from the brake pad body, in order to->To calculate +.>The rough edge polishing action is finished, after rough edge polishing is finished, the brake block body which finishes the rough edge polishing action through the grabbing structure (11) on the transfer feeding frame (7) is taken out from the positioning table (16), and good products are collected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310664362.XA CN116652607B (en) | 2023-06-07 | 2023-06-07 | Brake block fluting device |
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| CN202310664362.XA CN116652607B (en) | 2023-06-07 | 2023-06-07 | Brake block fluting device |
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| CN115448004A (en) * | 2022-11-10 | 2022-12-09 | 杭州安耐特实业有限公司 | Automatic feeding device of brake pad grinding machine |
| CN115555653A (en) * | 2022-11-14 | 2023-01-03 | 山东大千制动系统有限公司 | Brake block slotting device |
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| KR20050065496A (en) * | 2005-06-07 | 2005-06-29 | 주식회사 한국베랄 | Apparatus for grinding of friction material of brake pad |
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| CN211940170U (en) * | 2020-04-08 | 2020-11-17 | 庆云青泰机械科技有限公司 | Standard brake pad grinding machine |
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