CN111230642B - Deburring method of magnetic suction self-arrangement circulating deburring machine - Google Patents
Deburring method of magnetic suction self-arrangement circulating deburring machine Download PDFInfo
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- CN111230642B CN111230642B CN202010201047.XA CN202010201047A CN111230642B CN 111230642 B CN111230642 B CN 111230642B CN 202010201047 A CN202010201047 A CN 202010201047A CN 111230642 B CN111230642 B CN 111230642B
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 84
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 238000007599 discharging Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims description 54
- 239000011159 matrix material Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 150000001875 compounds Chemical class 0.000 description 1
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- 238000003825 pressing Methods 0.000 description 1
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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
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
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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
- B07C5/04—Sorting according to size
- B07C5/10—Sorting according to size measured by light-responsive 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
- B24B27/00—Other grinding machines or devices
- B24B27/0069—Other grinding machines or devices with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer 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
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention provides a deburring method of a magnetic suction self-arrangement circulating deburring machine, which is realized by utilizing the deburring machine, wherein the deburring machine comprises a workbench, a deburring device, a rotary conveyor belt and an automatic arrangement feeding device; the automatic arrangement feeding device comprises a magnetic suction mechanism, a feeding mechanism and a sorting mechanism; the magnetic suction mechanism is used for sucking workpieces and transferring the workpieces to the sorting mechanism through the feeding mechanism; a feeding conveyor belt and a discharging conveyor belt of the deburring device are respectively and correspondingly connected with the head end and the tail end of the rotary conveyor belt; and when the second infrared detection device detects unqualified workpieces, the workpieces can be conveyed from the rotary conveyor belt to the feeding conveyor belt again for reworking treatment. According to the deburring method of the magnetic self-arrangement circulating deburring machine, the automatic arrangement feeding device and the rotary conveying belt are arranged on the deburring machine, the integral automation degree is high, the deburring quality of finished workpieces obtained by the corresponding deburring method is high, and the subsequent reworking step of the workpieces is omitted.
Description
Technical Field
The invention relates to the technical field of workpiece deburring machines, in particular to a deburring method of a magnetic self-arranging circulating deburring machine.
Background
Powder metallurgy belongs to green manufacturing technology, has the characteristics of high quality, high efficiency and low cost, and is widely applied to the fields of automobile parts, electronics, aerospace and the like. With the continuous improvement of the current industrial and automation level, the requirements for parts are higher and higher, the problem of burrs is highly emphasized, and the deburring process becomes one of important processes. Longitudinal pressing is mostly adopted in powder metallurgy, and the lateral forming capability of a product is poor. For parts with holes in the sides, machining is often required. The presence of burrs inevitably leads to positioning errors, thereby affecting the machining accuracy of the hole. For parts with relatively high accuracy requirements, the burr must be removed prior to machining. In addition, the burr affects the detection accuracy of the part. The planar deburring machine adopts wet type deburring and automatic overturning, parts are conveyed by the magnetic conveying mechanism, the discharge port is provided with the demagnetizer, the dual power heads work simultaneously in the operation process, the power head adopts four-disc brush revolution (two positive and two negative) rotation compound motion and servo lifting control, multi-part burrs on a plane can be uniformly removed, uniform fillets can be formed, automatic compensation can be realized, unmanned production can be realized by connecting the power head with a front process and a back process, and the planar deburring machine is suitable for deburring of parts with the thickness of 100mm and the outer diameter of 140 mm.
The traditional plane type workpiece has no automatic detection process after deburring, some manual sampling inspection is adopted to detect the deburring degree of the workpiece, so that the precision of the workpiece after deburring is different, the deburring degree of the workpiece can not be detected in batches, the automation degree is low, the workpiece after deburring lacks necessary precision detection, more defective products of subsequent finished workpieces are caused, and the rework step and time of the subsequent workpieces are increased.
Disclosure of Invention
The technical problem to be solved.
The invention aims to solve the technical problems that a deburring method of a magnetic suction self-arrangement circulating deburring machine is high in automation degree and capable of achieving automatic sorting and feeding of workpieces, detected unqualified workpieces can be conveyed into a deburring device again through a rotary conveyor belt to be deburred until qualified workpieces are machined, and the problems that the existing deburring machine is low in overall automation degree and the workpieces lack necessary precision detection are solved.
The second technical proposal.
In order to solve the technical problems, the invention provides a deburring method of a magnetic suction self-arrangement circulating deburring machine, which is realized by the magnetic suction self-arrangement circulating deburring machine, wherein the deburring machine comprises a deburring device, a workbench, a rotary conveyor belt and an automatic arrangement feeding device, wherein the rotary conveyor belt and the automatic arrangement feeding device are arranged on the workbench and are respectively connected with the deburring device; the automatic arrangement feeding device comprises a magnetic suction mechanism, a feeding mechanism and a sorting mechanism, and the magnetic suction mechanism is arranged on the feeding mechanism; the magnetic suction mechanism is used for sucking workpieces arranged in a matrix on a material tray and transferring the workpieces to the sorting mechanism through the feeding mechanism; a feeding conveyor belt corresponding to the sorting mechanism is arranged at a feeding port of the deburring device, and a discharging conveyor belt is arranged at a discharging port of the deburring device; the feeding conveyor belt and the discharging conveyor belt are respectively and correspondingly connected with the head end and the tail end of the rotary conveyor belt. The rotary conveyor belt is used for re-conveying the workpieces which are unqualified in deburring to the feeding conveyor belt on one side of the feeding hole and re-conveying the workpieces into the deburring device for deburring; through setting up automatic range material feeding unit can realize the function of automatic cycle pay-off, need not artifical pay-off, and the deburring precision of the finished product work piece that obtains at last is high, is convenient for handles such as the assembly of follow-up work piece.
Further, the rotary conveyor belt comprises a semicircular conveyor belt, a linear conveyor belt and an arc-shaped conveyor belt which are connected in sequence; one end of the semicircular conveying belt corresponds to the discharging conveying belt, and one end of the arc-shaped conveying belt corresponds to the feeding conveying belt; the deburring device is provided with a first infrared detection device at one side of the feeding conveyor belt, and a second infrared detection device at one side of the discharging conveyor belt; a first magnetic conveyor belt is connected between the discharge conveyor belt and the semicircular conveyor belt, and a second magnetic conveyor belt is connected between the feeding conveyor belt and the arc-shaped conveyor belt; the first magnetic conveyor belt is used for conveying the unqualified workpieces detected by the second infrared detection device to the rotary conveyor belt, and conveying the unqualified workpieces to the feeding conveyor belt through the second magnetic conveyor belt for re-deburring.
Furthermore, the magnetic suction mechanism comprises a magnetic suction support, and a material clamping plate and a material clamping cylinder which are symmetrically arranged on two sides of the magnetic suction support, a magnetic ring is arranged on the bottom of the magnetic suction support in a rectangular array, and a chuck flange for clamping the workpiece is arranged on the inner side of the material clamping plate; and an electric control element for controlling the magnetic ring is arranged in the magnetic attraction support. The material clamping plate is used for further clamping, positioning and adsorbing the workpiece.
Further, the magnetic attraction support comprises an upper support plate and a lower support plate, an air valve connected with the material clamping cylinder is mounted on the lower support plate, a cylinder shaft of the material clamping cylinder is connected with the material clamping plate, a cylinder guide seat is mounted on the lower support plate, and cylinder guide shafts in sliding fit with the cylinder guide seats are arranged at two ends of the material clamping plate; support guide sleeves are arranged on four corners of the upper support plate, and support guide shafts which are correspondingly matched with the support guide sleeves in a sliding manner are arranged on the lower support plate; the lower support plate is also symmetrically provided with buffer guide rods penetrating through the upper support plate, the end parts of the buffer guide rods are provided with limit nuts, buffer springs are arranged between the limit nuts and the upper support plate, and the buffer springs are sleeved on the buffer guide rods; the magnetic rings are arranged at the bottom of the lower support plate in a rectangular array and are positioned through the fixing frame.
Furthermore, the automatic arrangement feeding device also comprises an upright post bracket, a feeding frame and a recovery frame, wherein the feeding frame and the recovery frame are respectively provided with a material tray frame for placing the material tray, and the material tray with the workpiece is placed on the material tray frame of the feeding frame; the feeding mechanism is installed on the upright post bracket and comprises a transverse feeding motor and a longitudinal feeding motor, the transverse feeding motor is in transmission connection with the longitudinal feeding motor through a belt wheel, the longitudinal feeding motor is fixed on a transmission belt connected with the transverse feeding motor, and the transverse feeding motor controls the longitudinal feeding motor to move in the horizontal direction; the longitudinal feeding motor is connected with a lifting rod through gear transmission, or connected with the lifting rod through belt pulley transmission and other modes, and controls the lifting rod to move up and down; the bottom of the lifting rod is connected with the magnetic attraction mechanism, and the feeding mechanism is sleeved with a sheath.
Furthermore, the sorting mechanism comprises a first sorting support and a second sorting support, a first sorting conveyor belt is mounted on the first sorting support, a second sorting conveyor belt perpendicular to the first sorting conveyor belt is mounted on the second sorting support, and a sensor and a limiting baffle are arranged at one end of the second sorting conveyor belt; the second sorting support is correspondingly arranged on one side, close to the feeding conveyor belt, of the workbench, a sliding rail and a sliding block are correspondingly arranged on the second sorting support, a magnetic suction driving cylinder and a magnetic suction head are arranged on the sliding block, and a material moving cylinder is arranged on one side of the second sorting support; a finished product channel is arranged on one side of the discharging conveyor belt; and a distribution box is arranged at the bottom of the first sorting support. After the sensor detects the workpiece on one side of the limiting blocking piece, the material moving cylinder integrally drives the magnetic suction driving cylinder and the magnetic suction head, the magnetic suction driving cylinder drives the magnetic suction head to adsorb the workpiece and convey the workpiece to the feeding conveying belt for subsequent detection and deburring.
Further, this technical scheme still provides a magnetism and inhales burring method from arranging circulation burr-grinding machine, realizes through magnetism and inhales from arranging circulation burr-grinding machine, includes following step: s001, adsorbing the workpieces by a magnetic adsorption mechanism, driving the magnetic adsorption mechanism on the feeding mechanism downwards by a feeding mechanism of the automatic arrangement feeding device, electrifying the magnetic adsorption mechanism to work, and adsorbing the workpieces arranged in a matrix on a material tray by magnetic rings in a rectangular array at the bottom of the magnetic adsorption mechanism; s002, feeding a workpiece by a feeding mechanism, and transferring the workpiece to a sorting mechanism by driving of a longitudinal feeding motor and a transverse feeding motor of the feeding mechanism; s003, sorting the workpieces to a deburring device, and conveying the workpieces to a feeding conveyor belt on one side of a feeding hole of the deburring device one by one through a magnetic suction head and a material moving cylinder of a sorting mechanism; step S004, the first infrared detection device detects a workpiece; detecting the height of the workpiece through a first infrared detection device on one side of a feed inlet of the deburring device; s005, deburring the workpiece, conveying the workpiece into the deburring device through the feeding conveyor belt for deburring, and conveying the deburred workpiece to the discharging conveyor belt on one side of a discharging port of the deburring device; step S006, the second infrared detection device detects and judges the workpiece; detecting the height of the workpiece after deburring through a second infrared detection device on one side of the discharge port of the deburring device; after the workpiece is detected and judged to be qualified, the step S007 is carried out, and after the workpiece is detected and judged to be unqualified, the step S008 is carried out; step S007, blanking a workpiece, wherein the workpiece is pushed to a finished product channel by the discharging conveyor belt to be blanked after the workpiece is detected to be qualified by the second infrared detection device; step S008, delivering unqualified workpieces to a rotary conveyor belt, and transferring the unqualified workpieces to a semicircular conveyor belt of the rotary conveyor belt through a first magnetic conveyor belt on one side of the discharge conveyor belt; step S009, the unqualified workpieces are delivered to the deburring device again, and the unqualified workpieces sequentially pass through the semicircular conveyor belt, the linear conveyor belt and the arc conveyor belt of the rotary conveyor belt and are delivered to the feeding conveyor belt on one side of the feed port of the deburring device again through the second magnetic conveyor belt; step S010, repeat step S004.
Through the steps, automatic adsorption feeding and sorting of the workpieces one by one can be achieved, then the workpieces are sent into the deburring device to be deburred, after unqualified deburring workpieces are detected, the workpieces can be conveyed to the deburring device again through the rotary conveying belt to be deburred, the process steps of later-stage manual sampling inspection detection and reworking are omitted, the reworking time is saved, the production efficiency is improved, and the production and labor cost is reduced.
Further, in the step S001, a tray with a workpiece is placed on the tray frame of the feeding frame; the magnetic suction mechanism comprises a magnetic suction support, and a material clamping plate and a material clamping cylinder which are symmetrically arranged on two sides of the magnetic suction support, a rectangular array is arranged at the bottom of the magnetic suction support, and chuck flanges for clamping the workpiece are arranged on the inner side of the material clamping plate; an electric control element for controlling the magnetic ring is arranged in the magnetic suction support; after the electric control element controls the magnetic ring to adsorb the workpiece, the clamping cylinder drives the clamping plate to position and support the workpiece.
Further, in the step S003, the sorting mechanism includes a first sorting support and a second sorting support, a first sorting conveyor belt is mounted on the first sorting support, a second sorting conveyor belt perpendicular to the first sorting conveyor belt is mounted on the second sorting support, and a sensor and a limit stop are disposed at one end of the second sorting conveyor belt; the second sorting support is correspondingly arranged on one side, close to the feeding conveyor belt, of the workbench, a sliding rail and a sliding block are correspondingly arranged on the second sorting support, a magnetic suction driving cylinder and a magnetic suction head are arranged on the sliding block, and a material moving cylinder is arranged on one side of the second sorting support; a finished product channel is arranged on one side of the discharging conveyor belt; the feeding mechanism transfers the workpieces on the magnetic suction mechanism to the first sorting conveyor belt, the workpieces are conveyed to the second sorting conveyor belt, and after the sensor detects the workpieces on one side of the limiting blocking piece, the magnetic suction head sequentially sucks and conveys the workpieces to the feeding conveyor belt.
Further, in the step S008, the rotary conveyer includes a semicircular conveyer, a linear conveyer and an arc conveyer which are connected in sequence; one end of the semicircular conveying belt corresponds to the discharge conveying belt; the feeding conveyor belt is correspondingly connected with one end of the arc-shaped conveyor belt through a second magnetic conveyor belt.
(III) the beneficial effects.
According to the invention, the rotary conveyor belt is arranged, and after the second infrared detection device detects the unqualified workpiece for deburring, the workpiece is conveyed to the feeding conveyor belt of the deburring device again through the first magnetic conveyor belt, the rotary conveyor belt and the second magnetic conveyor belt in sequence to perform deburring treatment again on the workpiece; the automatic arrangement feeding device is arranged, workpieces can be automatically adsorbed, conveyed, sorted one by one and finally sent to the feeding conveying belt of the deburring device to wait for subsequent deburring treatment, the automation degree of the whole machine is high, the deburring quality of the workpieces is good, the batch processing is convenient, and the production quality and the production efficiency of products are improved; by the deburring method of the magnetic self-arranging circulating deburring machine, the deburring precision of the deburring workpiece is high, the time for manually detecting rework and heavy processing is saved, and the production and labor cost is reduced.
Drawings
FIG. 1 is a perspective view of the magnetic self-arranging circulation deburring machine of the present invention.
FIG. 2 is a schematic structural view of the magnetic self-arranging circulation deburring machine of the present invention.
Fig. 3 is a perspective view of the automatic arrangement feeding device of the magnetic self-arrangement circulating deburring machine of the present invention.
FIG. 4 is a perspective view of the magnetic suction mechanism of the magnetic suction self-arrangement circulation deburring machine of the present invention.
FIG. 5 is a schematic structural view of a magnetic suction mechanism of the magnetic suction self-arrangement circulation deburring machine according to the present invention.
FIG. 6 is a perspective view of the sorting mechanism of the magnetic self-arranging circulating deburring machine of the present invention.
FIG. 7 is a perspective view of the deburring device of the magnetic self-aligning circulating deburring machine of the present invention.
FIG. 8 is a schematic flow chart of a deburring method of the magnetic self-arrangement circulating deburring machine of the invention.
Wherein: 1 is a deburring device, 2 is a rotary conveyor belt, 3 is an automatic arrangement feeding device, 4 is a magnetic suction mechanism, 5 is a feeding mechanism, 6 is a sorting mechanism, 7 is a material tray, 8 is a workpiece, 9 is a feeding conveyor belt, 10 is a discharging conveyor belt, 11 is a workbench, 12 is a magnetic suction support, 13 is a material clamping plate, 14 is a material clamping cylinder, 15 is a magnetic ring, 16 is a clamping head flange, 17 is an electric control element, 18 is an upper support plate, 19 is a lower support plate, 20 is an air valve, 21 is an air cylinder guide seat, 22 is an air cylinder guide shaft, 23 is a support guide sleeve, 24 is a support guide shaft, 25 is a buffer guide rod, 26 is a limit nut, 27 is a buffer spring, 28 is a fixed frame, 29 is a feeding frame, 30 is a recovery frame, 31 is a material tray frame, 32 is an upright post support, 33 is a transverse feeding motor, 34 is a longitudinal feeding motor, 35 is a lifting rod, 36 is a sheath, 37, 38 is a linear conveyor belt, 39 is an arc conveyor belt, 40 is a first infrared detection device, 41 is a second infrared detection device, 42 is a first magnetic conveyor belt, 43 is a second magnetic conveyor belt, 44 is a first sorting bracket, 45 is a second sorting bracket, 46 is a first sorting conveyor belt, 47 is a second sorting conveyor belt, 48 is a sensor, 49 is a limit baffle, 50 is a slide rail, 51 is a slide block, 52 is a magnetic suction driving cylinder, 53 is a magnetic suction head, 54 is a material moving cylinder, 55 is a finished product channel, and 56 is a distribution box.
Detailed Description
Referring to fig. 1 to 8, the invention provides a magnetic suction self-arrangement circulating deburring machine and a deburring method, wherein the magnetic suction self-arrangement circulating deburring machine comprises a deburring device 1, a workbench 11, a rotary conveyor belt 2 and an automatic arrangement feeding device 3, wherein the rotary conveyor belt 2 and the automatic arrangement feeding device are arranged on the workbench 11 and are respectively connected with the deburring device 1; the automatic arrangement feeding device 3 comprises a magnetic suction mechanism 4, a feeding mechanism 5 and a sorting mechanism 6, wherein the magnetic suction mechanism 4 is arranged on the feeding mechanism 5; the magnetic suction mechanism 4 is used for sucking the workpieces 8 arranged in a matrix on the material tray 7 and transferring the workpieces 8 to the sorting mechanism 6 through the feeding mechanism 5; a feeding conveyor belt 9 corresponding to the sorting mechanism 6 is arranged at a feeding port of the deburring device 1, and a discharging conveyor belt 10 is arranged at a discharging port; the feeding conveyor belt 9 and the discharging conveyor belt 10 are respectively and correspondingly connected with the head end and the tail end of the rotary conveyor belt 2. The rotary conveyor belt 2 is used for re-conveying the work piece 8 which is unqualified in deburring to the feeding conveyor belt 9 on one side of the feeding hole and re-conveying the work piece into the deburring device 1 for deburring; the automatic circulation feeding function can be realized, manual feeding is not needed, the deburring precision of the finally obtained finished workpiece is high, and subsequent workpiece assembly and other processing are facilitated.
Referring to fig. 1, 2 and 7, the rotary conveyor 2 includes a semicircular conveyor belt 37, a linear conveyor belt 38 and an arc conveyor belt 39 connected in sequence; one end of the semicircular conveyor belt 37 corresponds to the discharge conveyor belt 10, and one end of the arc-shaped conveyor belt 39 corresponds to the feed conveyor belt 9; the deburring device 1 is provided with a first infrared detection device 40 at one side of the feeding conveyor belt 9 and a second infrared detection device 41 at one side of the discharging conveyor belt 10; a first magnetic conveyor belt 42 is connected between the discharge conveyor belt 10 and the semicircular conveyor belt 37, and a second magnetic conveyor belt 43 is connected between the feeding conveyor belt 9 and the arc-shaped conveyor belt 39; the first magnetic conveyor belt 42 is used for conveying the unqualified workpiece 8 detected by the second infrared detection device 41 to the rotary conveyor belt 2, and conveying the unqualified workpiece 8 to the feeding conveyor belt 9 through the second magnetic conveyor belt 43 for re-deburring.
Referring to fig. 4 and 5, the magnetic attraction mechanism 4 includes a magnetic attraction support 12, and a material clamping plate 13 and a material clamping cylinder 14 symmetrically disposed at two sides of the magnetic attraction support 12, wherein the magnetic rings 15 are disposed at the bottom of the magnetic attraction support 12 in a rectangular array, and the inner side of the material clamping plate 13 is provided with a chuck flange 16 for clamping the workpiece 8; an electric control element 17 for controlling the magnetic ring 15 is arranged in the magnetic suction bracket 12. The material clamping plate 13 is used for further clamping, positioning and adsorbing the workpiece 8; the magnetic support 12 comprises an upper support plate 18 and a lower support plate 19, an air valve 20 connected with a material clamping cylinder 14 is mounted on the lower support plate 19, a material clamping plate 13 is connected with a cylinder shaft of the material clamping cylinder 14, a cylinder guide seat 21 is mounted on the lower support plate 19, and a cylinder guide shaft 22 in sliding fit with the cylinder guide seat 21 is arranged at two ends of the material clamping plate 13; the four corners of the upper support plate 18 are provided with support guide sleeves 23, and the lower support plate 19 is provided with a support guide shaft 24 which is correspondingly matched with the support guide sleeves 23 in a sliding way; the lower support plate 19 is also symmetrically provided with buffer guide rods 25 penetrating through the upper support plate 18, the end parts of the buffer guide rods 25 are provided with limit nuts 26, buffer springs 27 are arranged between the limit nuts 26 and the upper support plate 18, and the buffer springs 27 are sleeved on the buffer guide rods 25; the magnetic rings 15 are arranged in a rectangular array at the bottom of the lower support plate 19 and are positioned by a fixing frame 28.
Referring to fig. 1 and 3, the automatic arrangement feeding device 3 further includes a column support 32, a loading frame 29 and a recovery frame 30, the loading frame 29 and the recovery frame 30 are respectively provided with a tray frame 31 for placing the tray 7, the trays 7 with the workpieces 8 are stacked on the tray frame 31 of the loading frame 29, and after the magnetic attraction mechanism 4 attracts the workpieces 8 to the sorting mechanism 6, the trays 7 without the workpieces 8 are transferred to the tray frame 31 of the recovery frame 30 by an external manipulator or manual operation; the feeding mechanism 5 is arranged on the upright post bracket 32, the feeding mechanism 5 comprises a transverse feeding motor 33 and a longitudinal feeding motor 34, the transverse feeding motor 33 is connected with the longitudinal feeding motor 34 through belt wheel transmission, the longitudinal feeding motor 34 is fixed on a transmission belt connected with the transverse feeding motor 33, and the transverse feeding motor 33 controls the longitudinal feeding motor 34 to move in the horizontal direction; the longitudinal feeding motor 34 is connected with the lifting rod 35 through gear transmission, or connected with the lifting rod 35 through belt pulley transmission and other modes, and the longitudinal feeding motor 34 controls the lifting rod 35 to move up and down; the bottom of the lifting rod 35 is connected with the magnetic attraction mechanism 4, and the feeding mechanism 5 is sleeved with a sheath 36 outside the lifting rod 35.
Referring to fig. 3 and 6, the sorting mechanism 6 includes a first sorting support 44 and a second sorting support 45, a first sorting conveyor belt 46 is installed on the first sorting support 44, a second sorting conveyor belt 47 perpendicular to the first sorting conveyor belt 46 is installed on the second sorting support 45, and a sensor 48 and a limit stopper 49 are installed at one end of the second sorting conveyor belt 47; the second sorting bracket 45 is correspondingly arranged on one side, close to the feeding conveyor belt 9, of the workbench 11, a sliding rail 50 and a sliding block 51 are correspondingly arranged on the second sorting bracket 45, a magnetic suction driving cylinder 52 and a magnetic suction head 53 are arranged on the sliding block 51, and a material moving cylinder 54 is arranged on one side of the second sorting bracket 45; a finished product channel 55 is arranged on one side of the discharge conveyor belt 10; the first sorting frame 44 has a distribution box 56 mounted at the bottom thereof. After the sensor 48 detects the workpiece 8 on one side of the limiting baffle plate 49, the material moving cylinder 54 integrally drives the magnetic suction driving cylinder 52 and the magnetic suction head 53, the magnetic suction driving cylinder 52 drives the magnetic suction head 53 to suck the workpiece 8, and the workpiece 8 is conveyed to the feeding conveyor belt 9 for subsequent detection and deburring.
Referring to fig. 8, the present embodiment further provides a deburring method using the magnetic attraction self-aligning circulation deburring machine, which is implemented by using the magnetic attraction self-aligning circulation deburring machine, and includes the following steps: s001, the magnetic suction mechanism adsorbs workpieces, the feeding mechanism 5 of the automatic arrangement feeding device 3 downwards drives the magnetic suction mechanism 4 on the feeding mechanism 5, the magnetic suction mechanism 4 is electrified to work, and the magnetic rings 15 in the rectangular array at the bottom adsorb the workpieces 8 arranged in a matrix on the material tray 7; step S002, the feeding mechanism feeds the workpieces, and the workpieces 8 are transferred to the sorting mechanism 6 through the driving of the longitudinal feeding motor 34 and the transverse feeding motor 33 of the feeding mechanism 5; step S003, sorting the workpieces to a deburring device, and conveying the workpieces 8 to a feeding conveyor belt 9 on one side of a feeding hole of the deburring device 1 one by one through a magnetic suction head 53 and a material moving cylinder 54 of a sorting mechanism 6; step S004, the first infrared detection device detects a workpiece; the height of the workpiece 8 is detected by a first infrared detection device 40 at one side of the feed inlet of the deburring device 1; step S005, deburring the workpiece, conveying the workpiece 8 into the deburring device 1 through the feeding conveyor belt 9 for deburring, and conveying the deburred workpiece 8 to the discharging conveyor belt 10 on one side of a discharging port of the deburring device 1; step S006, the second infrared detection device detects and judges the workpiece; the height of the workpiece 8 after deburring is detected by a second infrared detection device 41 on one side of the discharge hole of the deburring device 1; after the workpiece 8 is detected and judged to be qualified, the step S007 is carried out, and after the workpiece 8 is detected and judged to be unqualified, the step S008 is carried out; step S007, blanking the workpiece, and pushing the workpiece 8 to a finished product channel 55 for blanking through a discharge conveyor belt 10 after the workpiece is detected to be qualified by a second infrared detection device 41; step S008, the unqualified workpiece is conveyed to a rotary conveyor belt, and the unqualified workpiece 8 is transferred to the semicircular conveyor belt 37 of the rotary conveyor belt 2 through the first magnetic conveyor belt 42 on one side of the discharge conveyor belt 10; step S009, the unqualified workpiece is delivered to the deburring device again, and the unqualified workpiece 8 passes through the semicircular conveyor belt 37, the linear conveyor belt 38 and the arc conveyor belt 39 of the rotary conveyor belt 2 in sequence and is delivered to the feeding conveyor belt 9 on one side of the feeding hole of the deburring device 1 again through the second magnetic conveyor belt 43; step S010, repeat step S004.
In step S001, the tray 7 with the work piece 8 is placed on the tray rack 31 of the loading rack 29; the magnetic suction mechanism 4 comprises a magnetic suction support 12, and a material clamping plate 13 and a material clamping cylinder 14 which are symmetrically arranged at two sides of the magnetic suction support 12, wherein magnetic rings 15 are arranged at the bottom of the magnetic suction support 12 in a rectangular array, and chuck flanges 16 for clamping workpieces 8 are arranged at the inner side of the material clamping plate 13; an electric control element 17 for controlling the magnetic ring 15 is arranged in the magnetic suction bracket 12; after the electric control element 17 controls the magnetic ring 15 to adsorb the workpiece 8, the material clamping cylinder 14 drives the material clamping plate 13 to position and support the workpiece 8.
In step S003, the sorting mechanism 6 includes a first sorting frame 44 and a second sorting frame 45, a first sorting conveyor belt 46 is mounted on the first sorting frame 44, a second sorting conveyor belt 47 perpendicular to the first sorting conveyor belt 46 is mounted on the second sorting frame 45, and a sensor 48 and a limit stop 49 are disposed at one end of the second sorting conveyor belt 47; the second sorting bracket 45 is correspondingly arranged on one side, close to the feeding conveyor belt 9, of the workbench 11, a sliding rail 50 and a sliding block 51 are correspondingly arranged on the second sorting bracket 45, a magnetic suction driving cylinder 52 and a magnetic suction head 53 are arranged on the sliding block 51, and a material moving cylinder 54 is arranged on one side of the second sorting bracket 45; the product channel 55 is arranged on one side of the discharge conveyor 10. The feeding mechanism 5 transfers the workpiece 8 on the magnetic suction mechanism 4 to the first sorting conveyor belt 46, the workpiece 8 is transferred to the second sorting conveyor belt 47, and after the sensor 48 detects the workpiece 8 on one side of the limiting blocking piece 49, the magnetic suction head 53 sequentially sucks and transfers the workpiece 8 to the feeding conveyor belt 9. In step S008, the rotary conveyer 2 includes a semicircular conveyer 37, a linear conveyer 38, and an arc conveyer 39 connected in this order; one end of the semicircular conveyor belt 37 corresponds to the discharge conveyor belt 10; the feeding conveyor belt 9 is correspondingly connected with one end of the arc-shaped conveyor belt 39 through a second magnetic conveyor belt 43.
This embodiment magnetism is inhaled from arranging circulation burr-grinding machine and is compared traditional burr-grinding machine, has following advantage: 1) after the rotary conveyor belt is arranged, the second infrared detection device detects the unqualified workpiece for deburring, the workpiece is conveyed to the feeding conveyor belt of the deburring device again through the first magnetic conveyor belt, the rotary conveyor belt and the second magnetic conveyor belt in sequence to be deburred again, the steps of manual detection and rework are omitted, and the production quality and the production efficiency of products are improved; 2) the automatic arrangement feeding device is arranged, workpieces can be automatically adsorbed, conveyed and sorted one by one, and finally the workpieces are conveyed to a feeding conveying belt of the deburring device to wait for subsequent deburring treatment. By the deburring method of the magnetic self-arranging circulating deburring machine, the deburring precision of the deburring workpiece is high, the step and time for manually detecting rework and heavy processing are saved, and the production and labor cost is reduced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A deburring method of a magnetic suction self-arrangement circulating deburring machine is characterized by comprising the following steps:
s001, a magnetic suction mechanism adsorbs workpieces, a feeding mechanism (5) of an automatic arrangement feeding device (3) downwards drives the magnetic suction mechanism (4) on the feeding mechanism (5), the magnetic suction mechanism (4) is electrified to work, and magnetic rings (15) in a rectangular array at the bottom adsorb the workpieces (8) arranged in a matrix form on a material tray (7);
s002, feeding the workpieces by a feeding mechanism, and transferring the workpieces (8) to a sorting mechanism (6) by driving a longitudinal feeding motor (34) and a transverse feeding motor (33) of the feeding mechanism (5);
s003, sorting the workpieces to a deburring device, and conveying the workpieces (8) to a feeding conveyor belt (9) on one side of a feed inlet of the deburring device (1) one by one through a magnetic suction head (53) and a material moving cylinder (54) of a sorting mechanism (6);
step S004, the first infrared detection device detects a workpiece; detecting the height of a workpiece (8) by a first infrared detection device (40) on one side of a feed inlet of the deburring device (1);
s005, deburring a workpiece, conveying the workpiece (8) into the deburring device (1) through the feeding conveyor belt (9) for deburring, and conveying the deburred workpiece (8) to the discharging conveyor belt (10) on one side of a discharging port of the deburring device (1);
step S006, the second infrared detection device detects and judges the workpiece; the height of the workpiece (8) after deburring is detected through a second infrared detection device (41) on one side of a discharge hole of the deburring device (1); after the workpiece (8) is detected and judged to be qualified, the step S007 is carried out, and after the workpiece (8) is detected and judged to be unqualified, the step S008 is carried out;
step S007, blanking a workpiece, wherein the workpiece (8) is pushed to a finished product channel (55) by the discharging conveyor belt (10) to be blanked after being detected to be qualified by the second infrared detection device (41);
step S008, delivering unqualified workpieces to a rotary conveyor belt, and transferring the unqualified workpieces (8) to a semicircular conveyor belt (37) of the rotary conveyor belt (2) through a first magnetic conveyor belt (42) on one side of the discharge conveyor belt (10);
step S009, the unqualified workpiece is delivered to the deburring device again, and the unqualified workpiece (8) passes through the semicircular conveyor belt (37), the linear conveyor belt (38) and the arc conveyor belt (39) of the rotary conveyor belt (2) in sequence and is delivered to the feeding conveyor belt (9) on one side of the feeding hole of the deburring device (1) again through the second magnetic conveyor belt (43);
step S010, repeat step S004.
2. A deburring method by a magnetic attraction self-arranging circulation deburring machine according to claim 1, characterized in that in said step S001, the tray (7) with the work (8) is placed on the tray holder (31) of the loading holder (29); the magnetic suction mechanism (4) comprises a magnetic suction support (12), and a material clamping plate (13) and a material clamping cylinder (14) which are symmetrically arranged on two sides of the magnetic suction support (12), wherein magnetic rings (15) are arranged at the bottom of the magnetic suction support (12) in a rectangular array, and chuck flanges (16) for clamping the workpiece (8) are arranged on the inner side of the material clamping plate (13); an electric control element (17) for controlling the magnetic ring (15) is arranged in the magnetic suction bracket (12);
after the electric control element (17) controls the magnetic ring (15) to adsorb the workpiece (8), the material clamping cylinder (14) drives the material clamping plate (13) to position and support the workpiece (8).
3. The deburring method of a magnetically attracting self-aligning circulation deburring machine according to claim 1, wherein in the step S003, the sorting mechanism (6) comprises a first sorting frame (44) and a second sorting frame (45), a first sorting conveyor (46) is installed on the first sorting frame (44), a second sorting conveyor (47) perpendicular to the first sorting conveyor (46) is installed on the second sorting frame (45), and a sensor (48) and a limit stopper (49) are provided at one end of the second sorting conveyor (47); the second sorting support (45) is correspondingly arranged on one side, close to the feeding conveyor belt (9), of the workbench (11), a sliding rail (50) and a sliding block (51) are correspondingly arranged on the second sorting support (45), a magnetic suction driving cylinder (52) and a magnetic suction head (53) are arranged on the sliding block (51), and a material moving cylinder (54) is arranged on one side of the second sorting support (45); a finished product channel (55) is arranged on one side of the discharging conveyor belt (10);
the feeding mechanism (5) transfers the workpieces (8) on the magnetic suction mechanism (4) to the first sorting conveyor belt (46), the workpieces (8) are conveyed to the second sorting conveyor belt (47), and after the sensor (48) detects the workpieces (8) on one side of the limiting blocking piece (49), the magnetic suction heads (53) sequentially adsorb and convey the workpieces (8) to the feeding conveyor belt (9).
4. A deburring method by magnetic attraction self-arranging circulation deburring machine as claimed in claim 1, characterized in that in said step S008 said rotary conveyor (2) comprises a semicircular conveyor (37), a linear conveyor (38) and an arc conveyor (39) connected in series; one end of the semicircular conveyor belt (37) corresponds to the discharge conveyor belt (10); the feeding conveyor belt (9) is correspondingly connected with one end of the arc-shaped conveyor belt (39) through a second magnetic conveyor belt (43).
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| CN202010201047.XA CN111230642B (en) | 2020-01-14 | 2020-01-14 | Deburring method of magnetic suction self-arrangement circulating deburring machine |
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| CN202010201047.XA CN111230642B (en) | 2020-01-14 | 2020-01-14 | Deburring method of magnetic suction self-arrangement circulating deburring machine |
| CN202010037785.5A CN110877249B (en) | 2020-01-14 | 2020-01-14 | Magnetic suction self-arrangement circulating deburring machine |
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| CN111451894A (en) * | 2020-03-27 | 2020-07-28 | 万创（苏州）智能装备有限公司 | Automatic deburring machine for fine punching part |
| CN111730444B (en) * | 2020-07-03 | 2022-02-11 | 杭州禹联科技有限公司 | Workpiece deburring device |
| CN113003168A (en) * | 2021-02-19 | 2021-06-22 | 顶群科技(深圳)有限公司 | Automatic direction selecting machine |
| CN113319010B (en) * | 2021-07-14 | 2025-03-11 | 浙江百世技术有限公司 | A protective sorting line |
| CN114453268A (en) * | 2022-03-10 | 2022-05-10 | 广东弓叶科技有限公司 | An annular belt traction type disc sorting machine |
| CN116833360B (en) * | 2023-07-20 | 2024-05-24 | 无锡超捷汽车连接技术有限公司 | Continuous spin riveting device for fixing support sleeve for vehicle |
| CN120054912B (en) * | 2025-04-27 | 2025-07-11 | 苏州卡西特工业科技有限公司 | Blood taking needle leakage detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0837310A3 (en) * | 1996-10-18 | 1999-03-10 | SANYO ELECTRIC Co., Ltd. | Quality test system for electric appliances |
| CN2843655Y (en) * | 2005-11-04 | 2006-12-06 | 江苏金方圆数控机床有限公司 | Electromagnet feeder |
| US9102030B2 (en) * | 2010-07-09 | 2015-08-11 | Corning Incorporated | Edge finishing apparatus |
| CN202388221U (en) * | 2011-12-19 | 2012-08-22 | 华星集团环保产业发展有限公司 | Flow process device for disassembling old televisions |
| CN203624557U (en) * | 2013-11-29 | 2014-06-04 | 曾定启 | Sucking disc transmission device capable of automatically positioning |
| KR101761467B1 (en) * | 2015-03-16 | 2017-07-26 | 김성직 | Chamfering device of ferrite magnetic for motor |
| JP6597205B2 (en) * | 2015-11-10 | 2019-10-30 | 日立金属株式会社 | Chamfering apparatus and method for rare earth sintered magnet piece, and method for producing rare earth sintered magnet using the same |
| CN205765349U (en) * | 2016-05-24 | 2016-12-07 | 张晓冰 | A kind of flat-grinding machine with vision screening |
| CN108000263A (en) * | 2017-12-06 | 2018-05-08 | 无锡汇欧陶瓷有限公司 | A kind of ceramic polishing device |
| CN108161631A (en) * | 2018-01-23 | 2018-06-15 | 泰州市润辉机械制造有限公司 | A kind of Burr removal apparatus for wheel gear |
| CN109093859B (en) * | 2018-08-27 | 2020-04-03 | 贵州宇光鸿宇电气照明科技有限公司 | Intelligent machining, cutting, polishing and quality inspection integrated equipment for ceramic lamp tube |
| CN209036296U (en) * | 2018-11-09 | 2019-06-28 | 上海牧森自动化设备有限公司 | A kind of magnetic attracting device for deburring machine mechanism |
| CN110561232A (en) * | 2019-10-11 | 2019-12-13 | 上海奇宝智能科技有限公司 | Automatic feeding system for grinding magnetic shoe |
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