CN115042084A - Automatic identification and deviation correction measuring equipment - Google Patents
Automatic identification and deviation correction measuring equipment Download PDFInfo
- Publication number
- CN115042084A CN115042084A CN202210607522.2A CN202210607522A CN115042084A CN 115042084 A CN115042084 A CN 115042084A CN 202210607522 A CN202210607522 A CN 202210607522A CN 115042084 A CN115042084 A CN 115042084A
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- measuring
- honing
- shaft sleeve
- eccentric shaft
- eccentric bushing
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- 238000012937 correction Methods 0.000 title claims description 4
- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000005259 measurement Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 210000000078 claw Anatomy 0.000 claims description 16
- 230000000007 visual effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 14
- 230000009471 action Effects 0.000 description 6
- 238000007664 blowing Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Classifications
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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
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/06—Honing machines or devices; Accessories therefor with controlling or gauging equipment
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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
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/10—Accessories
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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
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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
Abstract
The invention belongs to the technical field of measuring equipment, in particular to measuring equipment capable of automatically identifying and correcting errors, which is arranged on one side of matched honing equipment and used for measuring and processing a workpiece subjected to honing processing, and comprises a clamping unit, a vision measuring unit, an automatic feeding mechanism, an inner hole detection unit and an intelligent control center; according to the method, the vision measuring unit and the inner hole detection unit are used for feeding back the measured data to the intelligent control center in real time in the measuring process, when unqualified products are found, the position compensation amount is calculated by analyzing the data difference, and then the clamping unit is controlled to adjust and correct the fixed position of the eccentric bushing relative to the positioning seat of the honing equipment, so that the rejection rate is reduced; and the operation of each mechanism and the measurement processing of the eccentric bushing are automatic operation, so that the labor is saved, the processing difference among different eccentric bushings is reduced, and the yield is further improved.
Description
Technical Field
The invention belongs to the technical field of measuring equipment, and particularly relates to measuring equipment capable of automatically identifying and correcting errors.
Background
Honing is a constant pressure grinding method for finishing a workpiece at a low cutting speed, guided by a pre-machined surface after fine boring, reaming or inner hole grinding. It utilizes the expanding and contracting grinding head to press the honing strip with fine abrasive particles to the working surface to generate a certain contact area and corresponding pressure, and at the same time, the honing strip makes a comprehensive movement of rotating and reciprocating feeding to the processed surface under the action of proper cooling liquid, thereby achieving the purposes of improving the surface quality, improving the surface stress condition, basically not generating a deterioration layer and improving the workpiece precision;
when inner hole honing processing is carried out on a workpiece with an inner hole, such as an eccentric bushing, the processing qualified rate of the inner hole is greatly influenced by the precision of the workpiece relative to the honing position, and the processing size of the inner hole needs to be measured in the processing process, and the honing position needs to be adjusted in time; for example, an eccentric bushing (see figure 9) is produced in a PPM Wuhan factory, and the eccentric bushing is manually placed in a positioning clamp of a honing machine in an inner hole honing process in the production process. Because the inner hole needs to be honed by the outer circle positioning of the eccentric bushing, the actual position needs to be detected by manual visual inspection every time a product is clamped, and the position of the eccentric bushing with thin wall faces to the designated direction on the clamp; in the manual checking process, the efficiency is very low, and after honing, the eccentric bushing needs to be manually taken down from the positioning fixture and is blown and drained completely for inner hole diameter detection; the process flow has higher technical requirements on manpower, the detection qualification rate is greatly influenced by the angle factor of product placement, and the overall production efficiency is low.
In view of the above, the present invention provides a measuring device capable of automatically recognizing and correcting errors, so as to solve the above technical problems.
Disclosure of Invention
In order to make up the deficiency of the prior art, the technical problem is solved; the invention provides a measuring device capable of automatically identifying and correcting errors.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a measuring device capable of automatically identifying and correcting, which is arranged on one side of honing equipment and is used for measuring and processing a workpiece subjected to honing processing, and comprises:
the clamping unit is used for realizing the movement of the workpiece at different processing positions;
the visual measurement unit is used for measuring the eccentric distance and the angle of the workpiece;
the automatic feeding mechanism is used for conveying the workpiece to be processed to the honing equipment;
the inner hole detection unit is used for measuring the inner hole of the workpiece;
and the intelligent control center is used for controlling the operation of each mechanism of the measuring equipment, summarizing and calculating the measured data to obtain the position compensation amount, and further compensating the position of the workpiece.
Preferably, the gripping unit includes:
the mechanical arm is arranged on a measuring table arranged between the automatic feeding mechanism and the honing equipment;
the pneumatic claw is arranged on the working end of the manipulator through a pneumatic claw fixing clamp body;
the clamp is arranged on the working end of the gas claw and used for fixedly clamping the workpiece.
Preferably, the vision measuring unit selects the measuring camera, the measuring camera is installed on the measuring table and electrically connected with the intelligent control center, and the data obtained through measurement are transmitted and collected to the intelligent control center.
Preferably, the automatic feeding mechanism comprises a placing table and a vibrating disc arranged on the placing table, and the vibrating disc is used for conveying the workpiece to be processed to the position where the workpiece is to be taken.
Preferably, the automatic feeding mechanism further comprises a positioning sensor, and the positioning sensor is installed at the position to be taken and connected with the intelligent control center to judge whether the workpiece moves to the position to be taken correctly.
Preferably, the inner hole detecting unit includes:
the mounting bracket is fixedly mounted on the measuring table and positioned on one side of the measuring camera;
the air cylinder is fixedly arranged on the mounting bracket;
the clamp body is fixedly arranged on a piston rod on the cylinder;
the upper stop pull ring is arranged on the measuring table close to the clamp body through a thrust ball bearing;
the lower pull-stopping ring is arranged below the upper pull-stopping ring;
the inner diameter measuring head is arranged at the position of an inner hole of the upper stop pull ring, and the bottom of the inner diameter measuring head extends into the lower stop pull ring and is connected with the lower stop pull ring through a screw;
and the backing plate is slidably arranged on the upper surface of the upper stop pull ring.
Preferably, a floating device is arranged between the clamp body and the end part of the piston rod of the cylinder.
Preferably, the gap between the screw and the corresponding mounting hole on the lower stop pull ring is 0.05 mm.
Preferably, the inner diameter measuring head is a pneumatic measuring instrument, and the air outlet is formed in the bottom of the inner diameter measuring head.
The invention has the following beneficial effects:
1. according to the automatic identification and correction measuring equipment, the measuring data are fed back to the intelligent control center in real time in the measuring process through the vision measuring unit and the inner hole detection unit, when unqualified products are found, the position compensation amount is calculated through analyzing data difference, then the clamping unit is controlled to adjust and correct the fixed position of the eccentric bushing relative to the positioning seat of the honing equipment, and the rejection rate caused by position errors is reduced; and the operation of each mechanism and the measurement processing of the eccentric bushing are automatic operation, so that the labor is saved, the measurement and the position movement are more stable and accurate, the processing difference between different eccentric bushings is reduced, and the yield is further improved.
2. According to the measuring equipment capable of automatically identifying and correcting the deviation, the manipulator main body rotates under the control of the intelligent control center and moves to the position above the eccentric bushing, the end part of the gas claw drives the clamp to open under the action of the driver arranged inside the manipulator, then the working end of the manipulator moves downwards, the eccentric bushing is positioned between the clamps, the end part of the gas claw is started to drive the clamp to merge, the outer circle part of the eccentric bushing is clamped and limited, and then the gas claw moves to different working positions under the drive of the manipulator, so that the automatic position adjustment of the eccentric bushing is realized, and the measuring equipment is more efficient and accurate compared with manual operation.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
fig. 2 is a perspective view of the gripping unit in the present invention;
FIG. 3 is a partial cross-sectional view of an inner bore detection unit of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a top view of the automatic feed mechanism of the present invention;
FIG. 6 is a flow chart of the operation of the present invention;
FIG. 7 is a distribution map of various processing positions during operation of the present invention;
FIG. 8 is a schematic view of a vision measuring unit of the present invention;
FIG. 9 is a schematic view of an eccentric bushing machined in accordance with the present invention;
in the figure: the honing equipment 1, the eccentric bushing 2, the clamping unit 3, the manipulator 31, the air gripper 32, the air gripper fixing clamp 321, the clamp 33, the vision measuring unit 4, the measuring camera 41, the automatic feeding mechanism 5, the placing table 51, the vibrating disk 52, the inner hole detection unit 6, the mounting bracket 61, the air cylinder 62, the clamp 63, the upper stop pull ring 64, the thrust ball bearing 641, the lower stop pull ring 65, the inner diameter measuring head 66, the screw 661, the air inlet 662, the backing plate 67, the floating device 68 and the measuring table 7.
Detailed Description
The present invention will be further described with reference to the following detailed description so that the technical means, the creation features, the achievement purposes and the effects of the present invention can be easily understood.
As shown in fig. 1 to 9, in embodiment 1, in the conventional inner bore honing process for an eccentric bushing, when a product is clamped, the actual position needs to be visually detected manually, and the position of the eccentric bushing with thin wall thickness faces the designated direction on the clamp, so that errors in the process can be reduced by compensating and adjusting the position, but in the actual production, the position compensation is performed manually, so that the efficiency is low, and because of the difference between the personal habits and the technical levels of operators, the difference also occurs in the position compensation, so that the position error is increased, and further the yield of the product is reduced; therefore this embodiment provides an automatic identification and measuring equipment who rectifies, and this measuring equipment installs in supporting honing equipment 1 one side for carry out automatic measurement to the eccentric sleeve 2 through honing process and handle, reduce the unstable error of the production among the manual measurement process, improve the qualification rate of product, and is concrete, and measuring equipment includes:
the clamping unit 3 is used for realizing the movement of the eccentric shaft sleeve 2 at different processing positions;
the visual measurement unit 4 is used for measuring the eccentricity and the angle of the eccentric shaft sleeve 2;
the automatic feeding mechanism 5 is used for conveying the eccentric shaft sleeve 2 to be processed to the honing equipment 1;
the inner hole detection unit 6 is used for measuring the inner hole of the eccentric shaft sleeve 2;
and the intelligent control center is used for controlling the operation of each mechanism of the measuring equipment, summarizing and calculating the measured data to obtain the position compensation amount, and further compensating the position of the eccentric shaft sleeve 2.
Determining a plurality of processing positions on a processing station, wherein capital letters are used for marking, and firstly, under the control of an intelligent control center, an automatic feeding mechanism 5 sends an eccentric bushing to be honed to a material taking point, wherein the position is a position A; then, the clamping unit 3 clamps the outer circle part of the eccentric bushing at the position A to move, then the clamping unit 3 moves the eccentric bushing to the corresponding position of the vision measuring unit 4, here, position B, the vision measuring unit 4 is started to measure the eccentric distance and the angle, then the clamping unit 3 moves the eccentric bushing to the positioning seat of the honing equipment 1, here, position C, the honing equipment 1 is started to carry out honing treatment, after honing is finished, the eccentric bushing is clamped from the position C and moved to the blowing and sprinkling port, here, position D, the blowing and sprinkling port is communicated with an air pump, the eccentric bushing is moved to the corresponding position of the blowing and sprinkling port, the blowing and sprinkling port is started to spray clean air flow, coolant water drops attached to the eccentric bushing during machining are removed, then the eccentric bushing is moved to the position B again, the vision measuring unit 4 is started to measure the eccentric distance again, The angle, then calculate the relative position between the inner bore center point of the eccentric bush and the inner diameter measuring head 66, after calculating, the clamping unit 3 moves the eccentric bush to the corresponding position of the inner bore detecting unit 6, here is position E, after the inner bore detecting unit 6 finishes measuring the inner bore diameter, if the inner bore diameter is qualified, the clamping unit 3 puts the eccentric bush into the qualified product collecting box, here is position F, if unqualified, put into the unqualified product magazine, here is position G; the vision measuring unit 4 and the inner hole detecting unit 6 feed back the measured data to the intelligent control center in real time in the measuring process, when unqualified products are found, the position compensation amount is calculated by analyzing the data difference, and then the clamping unit 3 is controlled to adjust and correct the fixed position of the eccentric bushing relative to the positioning seat of the honing equipment 1, so that the rejection rate caused by position errors is reduced; the operation of each mechanism and the measurement and processing of the eccentric bushing are automatic operation, so that the labor is saved, the measurement and the position movement are more stable and accurate, the processing difference among different eccentric bushings is reduced, and the yield is further improved;
regarding the measuring principle of the eccentric bushing, the specific measuring process is as follows: firstly, establishing an XYZ three-axis coordinate system on a machining station to assist in positioning an eccentric bushing and machining equipment, and defining the central axis of the excircle of the eccentric bushing and the central axis of the inner hole to be parallel to a Z axis in the coordinate system, so that the circle center of the excircle of the eccentric bushing and the circle center of the inner hole are projected into an XY plane coordinate system; searching the edge of the outer circle and the inner hole of the eccentric bushing by using a boundary searching tool of the vision measuring unit 4, and calculating the circle center position of the outer circle and the circle center position of the inner circle of the eccentric bushing through a large number of edge imaging characteristics acquired by the vision measuring unit 4 so as to calculate the distance between the two circle centers (eccentric distance for short); in addition, the vision measuring unit 4 can virtually pass a straight line through the two centers of the circles, and then calculate the angle of the virtual straight line in the XY plane coordinate system. The coordinates of the central axis of the inner bore of the bushing in an XY plane coordinate system are calculated according to the eccentric distance and the angle value, so that the relative position of the central axis of the inner bore of the eccentric bushing and the center of the positioning seat of the honing machine tool and the relative position of the central axis of the inner bore of the bushing and the inner diameter measuring head 66 of the inner bore diameter measuring unit can be calculated, and the position compensation amount is finally calculated;
further, the gripping unit 3 includes:
a robot arm 31, the robot arm 31 being mounted on the measuring table 7 mounted between the automatic feeding mechanism 5 and the honing apparatus 1;
the gas claw 32, the gas claw 32 is installed on the working end of the manipulator 31 through the gas claw fixing clamp body 321;
a clamp 33, the clamp 33 is arranged on the working end of the air claw 32, and the clamp 33 is used for fixedly clamping the eccentric shaft sleeve 2.
When the eccentric bushing needs to be clamped and moved, the manipulator 31 main body rotates under the control action of the intelligent control center and moves to the position above the eccentric bushing, the end part of the gas claw 32 drives the clamp 33 to open under the action of the driver arranged in the manipulator, then the working end of the manipulator 31 moves downwards, the eccentric bushing is positioned between the clamps 33, the end part of the gas claw 32 is started to drive the clamps 33 to be combined, the outer circle part of the eccentric bushing is clamped and limited, and then the eccentric bushing moves to different working positions under the drive of the mechanical claw, so that the automatic position adjustment of the eccentric bushing is realized, and the method is more efficient and accurate compared with manual work; the manipulator 31 can be T3-401S type of EPSON in the existing market, the clamp 33 is made of stainless steel, and the inner wall of the clamp 33 is in contact with the outer circular surface of the eccentric bushing in a sticking way during clamping; the robot 31 can move the eccentric bushing on X, Y, Z coordinates, and can also rotate the eccentric bushing along the Z axis, and the positioning precision is less than 0.02 mm.
Further, the automatic feeding mechanism 5 comprises a placing table 51 and a vibrating disc 52 installed on the placing table 51, wherein the vibrating disc 52 is used for conveying the eccentric shaft sleeve 2 to be processed to a position to be taken; the eccentric shaft sleeve 2 is characterized by further comprising a positioning sensor, wherein the positioning sensor is installed at the position to be taken and connected with an intelligent control center to judge whether the eccentric shaft sleeve 2 correctly moves to the position to be taken.
The automatic feeding mechanism 5 adopted by the application adopts the vibration disc 52, so that the eccentric bushings to be processed are automatically and tidily arranged under the action of the vibration disc 52 and are moved to the discharging part to be matched with the work of the clamping unit 3, so that the eccentric bushings are normally moved to the position A; and through setting up the positioning sensor, when the eccentric bush moved to A position, trigger positioning sensor, explain eccentric bush position correct, if do not trigger positioning sensor, explain that eccentric bush position is incorrect, transmit information to intelligent control center this moment, and send out the police dispatch newspaper, guide the staff to inspect to guarantee the accuracy of eccentric bush shift position.
The measurement camera 41 adopted in the application can be a 1200-ten-thousand-pixel black-and-white camera of Haekwondo in the existing market, the lens has a focal length of 35mm, WD200mm and a visual field of 30mm multiplied by 22mm, the measurement camera can be started in time when the eccentric bushing is moved to the position B, picture information of the eccentric bushing is collected by photographing and is transmitted to recognition software in an intelligent control center to recognize contour information, and therefore a result is obtained by summarizing and calculating through calculation software;
further, as shown in fig. 8, in the photographed schematic diagram, after the identification software identifies the contour of the outer circle and the contour of the inner hole, it determines the point O1 as the center of the outer circle obtained by identification, and the point O2 as the center of the inner hole obtained by identification, so as to measure the angle value α of the connecting line between the point O1 and the point O2 in the XY plane coordinate system, which is random, and finally, the final position compensation value is obtained after the final position compensation value and other data are summarized in the input calculation software, thereby further improving the accuracy of the measurement.
a mounting bracket 61, wherein the mounting bracket 61 is fixedly mounted on the measuring table 7 and positioned at one side of the measuring camera 41;
the air cylinder 62 is fixedly arranged on the mounting bracket 61;
the clamp body 63 is fixedly arranged on a piston rod on the cylinder 62;
an upper stop pull ring 64, wherein the upper stop pull ring 64 is arranged on the measuring table 7 at a position close to the clamp body 63 through a thrust ball bearing 641;
a lower pull stop ring 65, the lower pull stop ring 65 is installed below the upper pull stop ring 64;
the inner diameter measuring head 66 is arranged at the position of an inner hole of the upper stop pull ring 64, the bottom of the inner diameter measuring head 66 extends into the lower stop pull ring 65 and is connected with the lower stop pull ring 65 through a screw 661, and a gap between the screw 661 and a corresponding mounting hole on the lower stop pull ring 65 is 0.05 mm;
and a backing plate 67, wherein the backing plate 67 is slidably arranged on the upper surface position of the upper stop pull ring 64.
The inner diameter measuring head 66 is an air gauge, and the air outlet 662 is arranged at the bottom of the inner diameter measuring head 66
According to the drawing requirements of the eccentric bushing, inner diameter detection is carried out on the inner hole of the eccentric bushing at 2 different depths; firstly, extending a piston rod of a cylinder 62, pushing a clamp body 63 to enable a base plate 67 with a middle part being a kidney-shaped through groove to slide under the pushing action of the clamp body 63 and to be close to an inner diameter measuring head 66, nesting an eccentric bushing on the inner diameter measuring head 66 through controlling a manipulator 31, contacting the bottom of the eccentric bushing with the upper surface of the base plate 67 to be supported, starting the inner diameter measuring head 66 to measure the inner diameter of the inner hole of the eccentric bushing at a first depth, and performing gas exchange through a gas outlet 662 at the bottom because the inner diameter measuring head 66 adopts a pneumatic measuring instrument, wherein the pneumatic measuring instrument plays a role in measuring the inner diameter of the inner hole of the eccentric bushing; then the piston rod of the air cylinder 62 retracts, when the piston rod of the air cylinder 62 retracts, the backing plate 67 is far away from the inner diameter measuring head 66, so that the eccentric bushing continues to slide down to the upper stop ring, the inner diameter measurement of a second depth is completed at the position, the automatic measurement of the inner hole of the eccentric bushing is smoothly completed, and the data is transmitted to the intelligent control center; compared with manual visual measurement, the automatic measurement method is more stable and efficient, and the measurement accuracy is further improved;
further, a floating device 68 is arranged between the clamp body 63 and the end part of the piston rod of the cylinder 62; in order to eliminate the repositioning error and reduce the mechanical friction between the inner diameter measuring head 66 and the eccentric bushing, a floating device 68 with a micro displacement is added on the inner diameter measuring head 66, wherein the floating device 68 can be a floating joint, so that the inner diameter measuring head 66 can freely deflect in the radial direction by an offset amount of +/-0.03 mm.
The specific working process is as follows:
determining a plurality of processing positions on a processing station, wherein capital letters are used for marking, and firstly, under the control of an intelligent control center, an automatic feeding mechanism 5 sends an eccentric bushing to be honed to a material taking point, wherein the position is a position A; then, the clamping unit 3 clamps the outer circle part of the eccentric bushing of the position A to move, then the clamping unit 3 moves the eccentric bushing to the corresponding position of the vision measuring unit 4, the position is B, the eccentricity distance and the angle are measured by starting the vision measuring unit 4, then the clamping unit 3 moves the eccentric bushing to the positioning seat of the honing equipment 1, the position is C, the honing equipment 1 is started to carry out honing treatment, after the honing is finished, the eccentric bushing is clamped from the position C and moved to a blow-sprinkling port, the position is D, the blow-sprinkling port is communicated with an air pump, the eccentric bushing is moved to the corresponding position of the blow-sprinkling port, the blow-sprinkling port is started to spray clean air flow, cooling liquid water drops attached to the eccentric bushing in the machining process are removed, the eccentric bushing is moved to the position B again, the vision measuring unit 4 is started to measure the eccentricity distance again, The angle, then calculate the relative position between the inner bore center point of the eccentric bush and the inner diameter measuring head 66, after calculating, the clamping unit 3 moves the eccentric bush to the corresponding position of the inner bore detecting unit 6, here is position E, after the inner bore detecting unit 6 finishes measuring the inner bore diameter, if the inner bore diameter is qualified, the clamping unit 3 puts the eccentric bush into the qualified product collecting box, here is position F, if unqualified, put into the unqualified product magazine, here is position G; the vision measuring unit 4 and the inner hole detecting unit 6 feed back the measured data to the intelligent control center in real time in the measuring process, when unqualified products are found, the position compensation amount is calculated by analyzing the data difference, and then the clamping unit 3 is controlled to adjust and correct the fixed position of the eccentric bushing relative to the positioning seat of the honing equipment 1, so that the rejection rate caused by position errors is reduced; and the operation of each mechanism and the measurement processing of the eccentric bushing are automatic operation, so that the labor is saved, the measurement and the position movement are more stable and accurate, the processing difference between different eccentric bushings is reduced, and the yield is further improved.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. An automatic identification and deviation correction measuring device, which is installed on one side of a matched honing device and is used for measuring and processing an eccentric shaft sleeve subjected to honing processing, and is characterized by comprising:
the clamping unit is used for realizing the movement of the eccentric shaft sleeve at different processing positions;
the visual measurement unit is used for measuring the eccentricity and the angle of the eccentric shaft sleeve;
the automatic feeding mechanism is used for conveying the eccentric shaft sleeve to be processed to honing equipment;
the inner hole detection unit is used for measuring the inner hole of the eccentric shaft sleeve;
and the intelligent control is used for controlling the operation of each mechanism of the measuring equipment, summarizing and calculating the measured data to obtain the position compensation amount, and further compensating the position of the eccentric shaft sleeve.
2. The automatic recognition and correction measuring apparatus according to claim 1, wherein the gripping unit comprises:
a robot arm mounted on a measuring table mounted between the automatic feeding mechanism and the honing equipment;
the pneumatic claw is arranged on the working end of the manipulator through a pneumatic claw fixing clamp body;
the clamp is arranged at the working end of the gas claw and used for fixedly clamping the eccentric shaft sleeve.
3. The automatic identification and rectification measuring device according to claim 1, characterized in that: the vision measurement unit selects a measurement camera, the measurement camera is installed on the measurement table, and the measurement camera is electrically connected with the intelligent control center and used for transmitting and collecting measured data to the intelligent control center.
4. The automatic identification and rectification measuring device according to claim 1, characterized in that: the automatic feeding mechanism comprises a placing table and a vibrating disc arranged on the placing table, and the vibrating disc is used for conveying an eccentric shaft sleeve to be processed to a position to be taken.
5. The automatic identification and rectification measuring device according to claim 4, wherein: the automatic feeding mechanism further comprises a positioning sensor, wherein the positioning sensor is installed at the position to be taken and connected with the intelligent control center, and is used for judging whether the eccentric shaft sleeve moves to the position to be taken correctly.
6. The automatic identification and rectification measuring device according to claim 1, wherein the inner hole detecting unit comprises:
the mounting bracket is fixedly mounted on the measuring table and positioned on one side of the measuring camera;
the air cylinder is fixedly arranged on the mounting bracket;
the clamp body is fixedly arranged on a piston rod on the cylinder;
the upper stop pull ring is arranged on the measuring table close to the clamp body through a thrust ball bearing;
the lower pull stopping ring is arranged below the upper pull stopping ring;
the inner diameter measuring head is arranged at the position of an inner hole of the upper stop pull ring, and the bottom of the inner diameter measuring head extends into the lower stop pull ring and is connected with the lower stop pull ring through a screw;
and the base plate is slidably arranged on the upper surface of the upper stop pull ring.
7. The automatic identification and rectification measuring device of claim 6, wherein: and a floating device is arranged between the clamp body and the end part of the piston rod of the cylinder.
8. The automatic identification and rectification measuring device of claim 6, wherein: and a gap between the screw and the corresponding mounting hole on the lower stop pull ring is 0.05 mm.
9. The automatic identification and rectification measuring device of claim 6, wherein: the inner diameter measuring head is an air gauge, and the air outlet is arranged at the bottom of the inner diameter measuring head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210607522.2A CN115042084A (en) | 2022-05-31 | 2022-05-31 | Automatic identification and deviation correction measuring equipment |
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| US20030091914A1 (en) * | 2001-11-13 | 2003-05-15 | Jeong-Hee Cho | Method and apparatus for measuring process errors and method and apparatus for measuring overlay using the same |
| JP2004216499A (en) * | 2003-01-14 | 2004-08-05 | Nisshin Seisakusho:Kk | Honing machine and honing method |
| CN109176305A (en) * | 2018-09-29 | 2019-01-11 | 东莞市照亮智能装备科技有限公司 | A kind of robot three-dimensional correction positioning device and method |
| CN112223102A (en) * | 2019-07-15 | 2021-01-15 | 沈机（上海）智能系统研发设计有限公司 | Honing method and device based on visual positioning |
| CN214792980U (en) * | 2021-03-16 | 2021-11-19 | 武汉东方骏驰精密制造有限公司 | Automatic product detection equipment |
| DE202018006679U1 (en) * | 2018-08-06 | 2022-01-26 | Nagel Maschinen- und Werkzeugfabrik Gesellschaft mit beschränkter Haftung. | Machining system for machining workpieces with a bore |
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| US20030091914A1 (en) * | 2001-11-13 | 2003-05-15 | Jeong-Hee Cho | Method and apparatus for measuring process errors and method and apparatus for measuring overlay using the same |
| JP2004216499A (en) * | 2003-01-14 | 2004-08-05 | Nisshin Seisakusho:Kk | Honing machine and honing method |
| DE202018006679U1 (en) * | 2018-08-06 | 2022-01-26 | Nagel Maschinen- und Werkzeugfabrik Gesellschaft mit beschränkter Haftung. | Machining system for machining workpieces with a bore |
| CN109176305A (en) * | 2018-09-29 | 2019-01-11 | 东莞市照亮智能装备科技有限公司 | A kind of robot three-dimensional correction positioning device and method |
| CN112223102A (en) * | 2019-07-15 | 2021-01-15 | 沈机（上海）智能系统研发设计有限公司 | Honing method and device based on visual positioning |
| CN214792980U (en) * | 2021-03-16 | 2021-11-19 | 武汉东方骏驰精密制造有限公司 | Automatic product detection equipment |
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