CN108274201B - VVT valve pocket automatic processing technology - Google Patents
VVT valve pocket automatic processing technology Download PDFInfo
- Publication number
- CN108274201B CN108274201B CN201810107984.1A CN201810107984A CN108274201B CN 108274201 B CN108274201 B CN 108274201B CN 201810107984 A CN201810107984 A CN 201810107984A CN 108274201 B CN108274201 B CN 108274201B
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- Prior art keywords
- valve pocket
- vvt
- fixture
- vvt valve
- positioning surface
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- 238000012545 processing Methods 0.000 title claims abstract description 94
- 238000005516 engineering process Methods 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 238000007664 blowing Methods 0.000 claims abstract description 7
- 238000012790 confirmation Methods 0.000 claims abstract description 4
- 238000007689 inspection Methods 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 24
- 210000000078 claw Anatomy 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 11
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
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- 238000005299 abrasion Methods 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
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- 229910052742 iron Inorganic materials 0.000 description 2
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- 239000007921 spray Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
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- 229910001315 Tool steel Inorganic materials 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/001—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/0046—Devices for removing chips by sucking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/005—Devices for removing chips by blowing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
- B23Q11/127—Arrangements for cooling or lubricating parts of the machine for cooling only for cooling motors or spindles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/002—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding Of Workpieces (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses VT valve pocket automatic processing technologies, comprising the following steps: 1), VVT valve pocket is delivered to robot and grabs position by feeding device；2), robot crawl VVT valve pocket prepares clamping close to the positioning surface of fixture；3), the positioning surface of fixture Air blowing cleaning fixture and VVT valve pocket；4), VVT valve pocket is mounted on the positioning surface of fixture by robot；5), robot, which is grabbed, pins VVT valve pocket, and VVT valve pocket is fixed on positioning surface by the clamp system on fixture；6), whether fixture gas inspection VVT valve pocket is installed in place；7) knife processing is carried out to VVT valve pocket using cutter after, confirmation VVT valve pocket is installed in place, Cutting tool installation manner is on lathe；Above-mentioned steps are concentrated in machining center and are completed；Fixture includes front processing stations and reverse side processing stations, and the fixture further includes blowning installation, and blowning installation includes pipeline and is provided with the jet port on pipeline.The present invention solves the problems, such as low efficiency caused by existing automatic processing technology, at high cost.
Description
Technical field
The present invention relates to VVT valve pocket processing technique fields, and in particular to VVT valve pocket automatic processing technology.
Background technique
In today of automation processing technology high speed development, most of machine components processing are all gradually making the transition, but portion
Precision component is divided but because processing technology tradition, processing efficiency is low, and quality level is not high, to cause automation input cost high, transport
Row is at high cost, and ultimately causing automatic production line can not manage, and then stops production.
VVT valve pocket traditional processing is processed using numerically controlled lathe mating part machining center composition assembly line, has been needed
At turning, to bore, boring inner hole, the majority process such as grooving, chamfering realizes according to traditional handicraft and automates, then processing efficiency is low,
Operating cost is more than conventional pipeline, and operation benefits are low.
Summary of the invention
The purpose of the present invention is to provide VVT valve pocket automatic processing technologies, and solving existing automatic processing technology causes
Low efficiency, problem at high cost.
The present invention is achieved through the following technical solutions:
VVT valve pocket automatic processing technology, comprising the following steps:
1), VVT valve pocket is delivered to robot and grabs position by feeding device；
2), robot crawl VVT valve pocket prepares clamping close to the positioning surface of fixture；
3), the positioning surface of fixture Air blowing cleaning fixture and VVT valve pocket；
4), VVT valve pocket is mounted on the positioning surface of fixture by robot；
5), robot, which is grabbed, pins VVT valve pocket, and VVT valve pocket is fixed on positioning surface by the clamp system on fixture；
6), whether fixture gas inspection VVT valve pocket is installed in place；
7) knife processing is carried out to VVT valve pocket using cutter after, confirmation VVT valve pocket is installed in place, Cutting tool installation manner is on lathe；
Above-mentioned steps are concentrated in machining center and are completed；
The fixture includes front processing stations and reverse side processing stations, and the clamp system of the reverse side processing stations uses
Three claws carry out external clamping to VVT valve pocket, are provided with positioning surface, the folder of the front processing stations below the claw
Tight mechanism is interior clamp system, and the interior clamp system includes fixing groove, is provided with fixed body, fixed body on the inside of the fixing groove
At regular intervals with having between bottom in fixing groove, the outer diameter of the one end of the fixed body far from fixing groove to the other end is in gradually
The trend of increase, the open end of the fixing groove are provided with inner expension cap, and the inner expension cap is set in the outer wall of fixed body, described solid
The bottom for determining slot is connect with extensible member, and the positioning surface is set in inner expension cap outer wall, and the fixture further includes blowning installation, described
Blowning installation includes pipeline and is provided with the jet port on pipeline.
The artificial prior art of machine of the present invention；The machining center is the prior art, and existing machining center is used
In the processing technology of VVT valve pocket；The fixing groove specifically refers to cylindrical structure one end and is recessed inwardly be formed by structure, described
Inner expension cap has certain elasticity, is made of elastic material, can be the combination of plastics or tool steel or the two；It is described to stretch
Contracting part can be hydraulic cylinder, and the jet port is used to blow to positioning surface and part (VVT valve pocket), then realize to positioning surface
With the cleaning of part (VVT valve pocket), of the present invention is up and down for vertical direction.
The working principle of interior clamp system of the present invention:
By moving up and down for the flexible realization fixing groove of extensible member, and then drive inner expension cap along fixed body (fixed body
It is fixed) outer wall it is mobile, after robot crawl VVT valve pocket is set in inner expension cap, robot compresses VVT valve pocket, meanwhile,
Extensible member stretches downwards and then pulls down inner expension cap, since in inner expension cap downdraw process, the outer diameter of fixed body is gradually increased, in turn
It realizes that the outer diameter of inner expension cap increases (expansion), swollen clamping in interior VVT valve pocket is realized by the drop-down expansion of inner expension cap.
3 claws realize the working principle that external clamping is carried out to VVT valve pocket:
It is correspondingly arranged on guide rod in the lower end of claw, guide rod is disposed obliquely outwards, i.e., the bottom end of 3 guide rods is outside
Expansion is so that 3 guide rods have certain taper, and the lower end of guide rod is provided with extensible member, when extensible member pulls downward on guide rod
When, guide rod upper end realizes the clamping to VVT valve pocket outer wall to contract to contract, 3 claws.
The present invention reduces processing by the way that each procedure of processing is integrated in machining center, while using the fixture of double-station
Step, and at the same time completing the processing of multiple contents, process time and non-cutting time substantially shorten, and improve work efficiency, drop
Low cost.
Further, fixture includes bottom plate, and 2 pieces of mounting plates are provided on the bottom plate, and 2 pieces of mounting plates are respectively used to install
Front processing stations and reverse side processing stations are provided with cylindrical body on the mounting plate, and clamp system is installed on cylindrical body.
Further, it is connected between fixing groove and inner expension cap by connector, the section of the connector in the axial direction is U
Shape structure, the U-shaped structure side are inserted into fixing groove, and the other side is inserted into inner expension cap.
Further, the feeding device includes valve pocket conveyer belt, right in the movement direction above the valve pocket conveyer belt
Title is provided with 2 limit plates, and cushion is provided on the inside of the limit plate, the spacing between 2 cushions and VVT valve pocket
The end top of major diameter fit, the valve pocket conveyer belt is provided with discharging device, and the discharging device includes telescopic cylinder and sets
The baffle in telescopic cylinder end is set, the telescopic cylinder is connect with the sensors in place of valve pocket transmission end of tape；The valve pocket
The end of conveyer belt is also equipped with guiding device at discharging device rear, and the guiding device includes that setting is transmitted in valve pocket
Stepper motor below end of tape, the upper end of the stepper motor are provided with the orientation sensing with the cooperation of VVT valve pocket bottom notch
Device.
The conveyance of transmission belt, 2 limit plates are realized using synchromesh gear in the both ends of valve pocket conveyer belt of the present invention
Valve pocket is limited, avoids valve pocket run-off the straight during transportation, the baffle under the action of telescopic cylinder on move down
Dynamic, the telescopic cylinder and sensors in place cooperate, and the sensors in place is the prior art, and sensors in place measures
When end does not have workpiece, it is also existing that discharging device, which allows for a workpiece to continue the separate i.e. operating system of conveying down,
Technology, the sensors in place can sense whether valve pocket transmission end of tape has workpiece in real time, and the baffle plate setting is limited at 2
Between the plate of position, for stopping valve pocket, the end is depending on the direction of motion of valve pocket conveyer belt.
Orientation sensor of the present invention is the prior art, and the benchmark of valve pocket orientation is a notch of bottom, so not
It can be by the way of sliding slot orientation, so increasing an orientation sensor and a servo rotary mechanism in pipeline end
(stepper motor), after valve pocket reaches end, conveyer belt stops, and rotating mechanism jacks up, and then slowly rotation, works as orientation sensor
After detecting notch, rotation stops, and then rotating mechanism is fallen, and completes valve pocket orientation, after the completion of robot grabs part,
Valve pocket conveyer belt remains in operation, discharging device blowing.
The working principle of the invention:
VVT valve pocket is placed on valve pocket conveyer belt between 2 limit plates, whenever end measure not no workpiece when
It waits, discharging device allows for a workpiece to continue to convey down, remaining product then blocks, by the robot of the next step work
The crawl of part VVT valve pocket, so recycles, and realizes that workpiece stablizes automatic conveying.
Further, machining center further includes automatic measurement machine, and the automatic measurement machine is used to measure the ruler of VVT valve pocket
It is very little, measurement data is real-time transmitted to industrial personal computer, machine tool benefit is adjusted automatically by change in size.
The automatic measurement machine includes a slide unit, is provided with measurement position above the slide unit, is arranged at measurement position
There is a measuring head for measuring workpiece size, the measuring head includes 2 symmetrical displacement sensors, displacement sensor when measurement
It is contacted with the outer wall of VVT valve pocket, the measurement of VVT valve pocket size, displacement is realized by the spacing between 2 displacement sensors of measurement
The data measured are passed to industrial personal computer by sensor.
Specific measurement process: on robot plate workpiece grabbing to the slide unit of automatic measurement machine, slide unit slides into measurement position,
Measuring head stretches out measurement workpiece size, is measured, and slide unit returns to origin, and the other end of slide unit is provided with standard component, and timing is right
Measuring device is calibrated.
Further, gauge head in tool setting gauge and machine is installed on lathe.
Gauge head is the prior art in the tool setting gauge and machine.
Gauge head in Reinshaw tool setting gauge and machine is configured inside lathe to be fed back by measurement, and equipment is allowed to compensate cutter in time
Abrasion and each axis thermal deformation and part clamping error, make accurate to dimension higher, it is more stable.
Further, lathe is connect with industrial personal computer, and industrial personal computer is capable of handling machine feedback data, and controls adjustment lathe ginseng
Number.
Further, the main shaft of lathe is equipped through cooling and circulating cooling system.
It is equipped in machine tool chief axis through cooling and circulating cooling function, cutting fluid/coolant liquid is by main shaft, and from knife end
Face sprays, and heat caused by main shaft high speed rotation can be taken away, avoid main shaft because fever is deformed influence precision, cut simultaneously
It cuts liquid to spray in the middle part of cutter, process tool cooling can be made more abundant, make processing efficiency higher, cutter life is higher.
Further, the main shaft of lathe uses BBT HSK interface.
The characteristics of machine tool chief axis apolegamy BBT HSK interface, BBT and HSK main shaft interface is two sides positioning, both utilizes cone
Degree centering also guarantees Z-direction repetitive positioning accuracy using end face fitting, it is ensured that the repetition of face milling cutters when processing thickness
The positioning accuracy of tool changing.
Further, cutter uses PCD or CBN high rigidity blade.
Cutter is all made of the high rigidity blade such as CBN or CBN, can reach very high linear velocity and processing efficiency；It uses simultaneously
Cutting tool presetter is adjusted to the bounce of point of a knife within 0.003, guarantees the high-quality of processing；The abrasion of superhard cutter is slow, reachable
To the very high service life, it is ensured that production line for a long time do not shut down, reduce the downtime of tool changing, further increase processing efficiency and
Quality level.
Compared with prior art, the present invention having the following advantages and benefits:
1, the present invention is integrated by VVT valve pocket tooling step, reduces procedure of processing, and at the same time completing adding for multiple contents
Work, process time and non-cutting time substantially shorten.
2, the present invention realizes production line by processing automatically, automatic measurement, automatic cleaning, automatic feedback, adjust automatically
Closed loop processing is realized intelligent.
3, processing efficiency raising of the present invention, automation realization are relatively simple, and operation cost is lower, can obtain more efficient benefit.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of fixture；
Fig. 2 is the structural schematic diagram of feeding device；
Fig. 3 is the structural schematic diagram of interior clamp system.
Label and corresponding parts title in attached drawing:
1- feeding device, 2- fixture, 3-VVT valve pocket, 11- valve pocket conveyer belt, 12- limit plate, 13- cushion, 14- are flexible
Cylinder, 15- baffle, 16- stepper motor, 21- claw, clamp system in 22-, 23- positioning surface, 24- bottom plate, 25- mounting plate,
26- cylindrical body, 27- jet port, 28- pipeline, 221- extensible member, 222- fixing groove, 223- connector, 224- inner expension cap, 225-
Fixed body.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1:
As shown in Figure 1 to Figure 3, VVT valve pocket automatic processing technology, comprising the following steps:
1), VVT valve pocket 3 is delivered to robot and grabs position by feeding device 1；
2), robot crawl VVT valve pocket 3 prepares clamping close to the positioning surface 23 of fixture 2；
3), the positioning surface 23 and VVT valve pocket 3 of 2 Air blowing cleaning fixture 2 of fixture, specifically, by automated control technology,
The automatic jet of jet port 27 ejects gas and purges to the machined surface (upper surface) of positioning surface 23 and VVT valve pocket 3, fixed
Plane 23 and VVT valve pocket 3 are blown clean, and avoid that there are the impurity effects part positioning accuracies such as iron filings, dust；
4), VVT valve pocket 3 is mounted on the positioning surface 23 of fixture 2 by robot, specifically, since fixture 2 is added using front
The duplexing bit architecture of work station and reverse side processing stations will be mounted on the positioning surface of front processing stations for the VVT valve pocket 3 of processing
On 23, positive VVT valve pocket 3 will be machined and be mounted on the positioning surface 23 of reverse side processing stations；
5), robot, which is grabbed, pins VVT valve pocket 3, and VVT valve pocket 3 is fixed on positioning surface by the clamp system on fixture 2
On 23；
6), whether 2 gas of fixture inspection VVT valve pocket 3 is installed in place, and specifically, part (VVT valve is integrated on positioning surface 23
Set 3) detects in place and gas checking functions, has a small fumarole on positioning surface 23, is connected to gas pressure detector, complete in part
Just fumarole is blocked when being fitted in positioning surface 23 entirely, the pressure that baroceptor detects is just in acceptability limit；Such as
There are the impurity such as iron filings, dust to cause part positioning surface that cannot be bonded completely above for fruit positioning surface 23, will lead to fumarole leakage
Gas, air pressure will reduce, and the pressure that baroceptor detects is unqualified, just will call the police, and then control robot again zero
Part, which picks up, to be come, and clears up anchor point and part positioning surface automatically again, again clamping；
7) knife processing is carried out to VVT valve pocket 3 using cutter after, confirmation VVT valve pocket 3 is installed in place, Cutting tool installation manner is in lathe
On；
Specific step is as follows for knife processing:
First processing left side station (front processing stations) processes valve pocket large end face for main shaft rotation, successively operates are as follows:
Large end face is processed with PCD face milling cutters；With molding PCD countersink, large end face finishing is completed, end face annular groove, outer circle is fallen
Angle；With molding PCD milling cutter, the slot and chamfering of big end outer circle are milled；It is bored hole drill in expansion knife completion with molding PCD and is bored and expanded；With molding PCD
Slot knife processes internal three annular grooves；Inner hole is processed with PCD table rank reamer；
Then tool changing, processing right side station (reverse side processing stations) valve pocket small end face content, successively operates are as follows:
Small end face, small end outer circle, small end Hole chamfering are processed with PCD molding sleeve knife；The essence of step outer circle is completed with sleeve boring cutter
The step outer circle of processing, part is processed using twolip sleeve boring cutter, disposable to complete processing, and sleeve boring cutter blade can be accurate micro-
It adjusts, guarantees the machining accuracy of part；The primary processing for completing step outer circle, ensure that the concentricity of outer circle.
After knife process finishing, with the burr on hairbrush removal surface, fixture 2 unclamps, and manipulator grabbing workpiece presss from both sides simultaneously
The part for completing processing is put into measuring machine and carries out significant dimensions survey by tool air blowing, manipulator Air blowing cleaning workpiece surface, manipulator
Amount, measuring machine count measurement data, and are transmitted to industrial personal computer processing, and industrial personal computer is adjusted in real time according to the bias conditions of processing dimension
Whole cutter compensation；(process so recycles) realizes the processing to part.
Above-mentioned steps are concentrated in machining center and are completed, and the machining center has the function of automatic tool changer, using automation
Control, is analyzed by industrial personal computer, is controlled；
Herein described machining center is bored using Japan brother and attacks center, and installs Hai Dehan on three axis of equipment
Grating scale, formed closed-loop device, grating scale can detecte equipment three axis movement distance, and data feedback return equipment
System allows equipment to compensate walking precision automatically, guarantees the kinematic accuracy and repetitive positioning accuracy of equipment, and the repetition of machining center is fixed
Position precision ± 0.003.
The fixture 2 is made of modularized design, and repetitive positioning accuracy is reliable, fixture repetitive positioning accuracy 0.003.Folder
Tool 2 has the function of drop-down, product toward drop-down, allows the positioning surface of part is closer to be fitted in above positioning surface, guarantees zero
Part clamping, positioning consistency, it is ensured that the quality stability of batch production).
The fixture 2 includes bottom plate 24, is provided with 2 pieces of mounting plates, 25,2 pieces of mounting plates 25 on the bottom plate 24 and is respectively used to
Front processing stations and reverse side processing stations are installed, front processing stations and reverse side processing stations are set in left and right arrangement at one
The standby upper processing for completing all the elements, reduces the non-cutting time of carrying, clamping, makes processing efficiency higher, and utilization rate of equipment and installations is higher,
Cylindrical body 26 is provided on the mounting plate 25, clamp system is installed on cylindrical body 26, the front processing stations and reverse side
Clamping structure is provided on processing stations, front processing stations and reverse side processing stations are being respectively used to processing VVT valve pocket 3 just
The clamp system of end and opposite ends (two opposing end surfaces i.e. in axial direction), the reverse side processing stations is right using three claws 21
VVT valve pocket 3 carries out external clamping, and the lower section of the claw 21 is provided with positioning surface 23, the clamping machine of the front processing stations
Structure is interior clamp system 22, and the interior clamp system 22 includes fixing groove 222, is provided with fixed body on the inside of the fixing groove 222
225, have between bottom in fixed body 225 and fixing groove 222 it is at regular intervals, the fixed body 225 far from fixing groove 222 one
The outer diameter for holding the other end is in the trend being gradually increased, and the open end of the fixing groove 222 is provided with inner expension cap 224, described interior
Expansion set 224 is set in the outer wall of fixed body 225, and the bottom of the fixing groove 222 is connect with extensible member 221, the positioning surface 23
It is set in 224 outer wall of inner expension cap, the fixture 2 further includes blowning installation, and the blowning installation includes pipeline 28 and is provided with
Jet port 27 on pipeline 28；
The feeding device 1 includes valve pocket conveyer belt 11, and 11 top of valve pocket conveyer belt is symmetrically set in the movement direction
2 limit plates 12 are equipped with, the inside of the limit plate 12 is provided with spacing and VVT valve between 13,2 cushions 13 of cushion
The major diameter fit of set 3, the end top of the valve pocket conveyer belt 11 are provided with discharging device, and the discharging device includes flexible gas
Cylinder 14 and the baffle 15 that 14 end of telescopic cylinder is set, the sensing in place of the telescopic cylinder 14 and 11 end of valve pocket conveyer belt
Device connection；The end of the valve pocket conveyer belt 11 is also equipped with guiding device, the guiding device at discharging device rear
Including the stepper motor 16 below 11 end of valve pocket conveyer belt is arranged in, the upper end of the stepper motor 16 is provided with and VVT valve
Cover the orientation sensor of 3 bottom notch cooperation.
In the present embodiment, the procedure of processing of VVT valve pocket 3 integrated setting in machining center reduces procedure of processing, and
It is completed at the same time the processing of multiple contents, process time and non-cutting time substantially shorten, and processing efficiency improves, automation is realized more
Simply, operation cost is lower, can obtain more efficient benefit.
Embodiment 2:
As shown in Figure 1 to Figure 3, the present embodiment is based on embodiment 1, passes through company between the fixing groove 222 and inner expension cap 224
Fitting 223 connects, and the section of the connector 223 in the axial direction is U-shaped structure, and fixing groove 222 is inserted into the U-shaped structure side
Interior, the other side is inserted into inner expension cap 224.
In the present embodiment, it by the setting of connector 223, realizes removable between inner expension cap 224 and fixing groove 222
Formula setting is unloaded, inner expension cap 224 is conveniently replaceable.
Embodiment 2:
As shown in Figure 1 to Figure 3, the present embodiment is based on embodiment 1 or embodiment 2, and the machining center further includes surveying automatically
Amount machine, configures automatic measurement machine in production line, using the international well-known sensor such as Keyemce, ISLIVE, it is ensured that measurement accuracy；
Automatic measurement machine carries out data interaction also by bus and industrial personal computer simultaneously, the significant dimensions real-time measurement of part, and number
It is transmitted to industrial personal computer when factually to be analyzed, industrial personal computer is in real time finely adjusted equipment by analyzing size change curve, guarantees
The consistency and high-quality of product processing quality；Gauge head in tool setting gauge and machine, the lathe and industry control are installed on the lathe
Machine connection, industrial personal computer is capable of handling machine feedback data, and controls adjustment lathe parameter；The main shaft of the lathe, which is equipped, to be run through
Cooling and circulating cooling system；The main shaft of the lathe uses BBT HSK interface；The cutter is hard using PCD or CBN high
Blade is spent, and nose height difference need to be adjusted within 0.003, guarantees the high-quality of processing；The abrasion of superhard cutter is slow,
It can reach the very high service life, it is ensured that production line is not shut down for a long time, reduces the downtime of tool changing, further increases processing effect
Rate and quality level.
In the present embodiment, by processing automatically, automatic measurement, automatic cleaning, automatic feedback, adjust automatically, realize and give birth to
The closed loop processing of producing line is realized intelligent.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (9)
1.VVT valve pocket automatic processing technology, which comprises the following steps:
1), VVT valve pocket (3) is delivered to robot and grabs position by feeding device (1)；
2), positioning surface (23) of robot crawl VVT valve pocket (3) close to fixture (2) prepares clamping；
3), the positioning surface (23) and VVT valve pocket (3) of fixture (2) Air blowing cleaning fixture (2)；
4), VVT valve pocket (3) is mounted on the positioning surface (23) of fixture (2) by robot；
5), robot, which is grabbed, pins VVT valve pocket (3), and VVT valve pocket (3) is fixed on positioning by the clamp system on fixture (2)
On face (23)；
6), whether fixture (2) gas inspection VVT valve pocket (3) is installed in place；
7) knife processing is carried out to VVT valve pocket (3) using cutter after, confirmation VVT valve pocket (3) is installed in place, Cutting tool installation manner is in lathe
On；
Above-mentioned steps are concentrated in machining center and are completed；
The fixture (2) includes front processing stations and reverse side processing stations, and the clamp system of the reverse side processing stations uses
Three claws (21) carry out external clamping to VVT valve pocket (3), are provided with positioning surface (23) below the claw (21), described
The clamp system of front processing stations is interior clamp system (22), and the interior clamp system (22) includes fixing groove (222), described
It is provided with fixed body (225) on the inside of fixing groove (222), between having centainly between fixed body (225) and fixing groove (222) interior bottom
Away from the outer diameter of the one end of the fixed body (225) far from fixing groove (222) to the other end is in the trend being gradually increased, described solid
The open end for determining slot (222) is provided with inner expension cap (224), and the inner expension cap (224) is set in the outer wall of fixed body (225), institute
The bottom for stating fixing groove (222) is connect with extensible member (221), and the positioning surface (23) is set in inner expension cap (224) outer wall, described
Fixture (2) further includes blowning installation, and the blowning installation includes pipeline (28) and the jet port that is provided on pipeline (28)
(27)；The feeding device (1) includes valve pocket conveyer belt (11), symmetrical in the movement direction above the valve pocket conveyer belt (11)
2 limit plates (12) are provided with, are provided with cushion (13) on the inside of the limit plate (12), between 2 cushions (13)
The end top of the major diameter fit of spacing and VVT valve pocket (3), the valve pocket conveyer belt (11) is provided with discharging device, described to put
Material device includes the baffle (15) of telescopic cylinder (14) and setting in telescopic cylinder (14) end, the telescopic cylinder (14) and valve
Cover the sensors in place connection of conveyer belt (11) end；The end of the valve pocket conveyer belt (11) also cooperates at discharging device rear
It is provided with guiding device, the guiding device includes the stepper motor (16) being arranged below valve pocket conveyer belt (11) end, institute
The upper end for stating stepper motor (16) is provided with the orientation sensor cooperated with VVT valve pocket (3) bottom notch；The claw (21)
Lower end is correspondingly arranged on guide rod, and guide rod is disposed obliquely outwards, and the lower end of guide rod is provided with extensible member.
2. VVT valve pocket automatic processing technology according to claim 1, which is characterized in that the fixture (2) includes bottom plate
(24), 2 pieces of mounting plates (25) are provided on the bottom plate (24), 2 pieces of mounting plates (25) are respectively used to installation front processing stations
With reverse side processing stations, it is provided with cylindrical body (26) on the mounting plate (25), clamp system is installed on cylindrical body (26).
3. VVT valve pocket automatic processing technology according to claim 1, which is characterized in that the fixing groove (222) and interior
It is connected between expansion set (224) by connector (223), the section of the connector (223) in the axial direction is U-shaped structure, the U
Shape structure side is inserted into fixing groove (222), and the other side is inserted into inner expension cap (224).
4. VVT valve pocket automatic processing technology according to claim 1, which is characterized in that the machining center further includes
Automatic measurement machine, the automatic measurement machine are used to measure the size of VVT valve pocket (3), measurement data are real-time transmitted to industrial personal computer,
Machine tool benefit is adjusted automatically by change in size.
5. VVT valve pocket automatic processing technology according to claim 1, which is characterized in that be equipped on the lathe pair
Gauge head in knife instrument and machine.
6. VVT valve pocket automatic processing technology according to claim 1, which is characterized in that the lathe and industrial personal computer connect
It connects, industrial personal computer is capable of handling machine feedback data, and controls adjustment lathe parameter.
7. VVT valve pocket automatic processing technology according to claim 1, which is characterized in that the main shaft of the lathe is arranged
Have through cooling and circulating cooling system.
8. VVT valve pocket automatic processing technology according to claim 1, which is characterized in that the main shaft of the lathe uses
BBT HSK interface.
9. VVT valve pocket automatic processing technology according to claim 1, which is characterized in that the cutter using PCD or
CBN high rigidity blade.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810107984.1A CN108274201B (en) | 2018-02-02 | 2018-02-02 | VVT valve pocket automatic processing technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810107984.1A CN108274201B (en) | 2018-02-02 | 2018-02-02 | VVT valve pocket automatic processing technology |
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| CN108274201B true CN108274201B (en) | 2019-10-25 |
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| CN109352387A (en) * | 2018-11-29 | 2019-02-19 | 济南第机床有限公司 | A kind of self-cleaning automobile aluminum wheel hub hydraulically operated fixture |
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| CN111015098B (en) * | 2019-12-04 | 2020-12-22 | 北京北方车辆集团有限公司 | Intelligent manufacturing method of high-precision combined frame |
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| CN113063571A (en) * | 2019-12-30 | 2021-07-02 | 中国科学院沈阳自动化研究所 | Retarder detection test platform |
| CN112475901A (en) * | 2020-10-20 | 2021-03-12 | 绵阳恒弘机械制造有限责任公司 | Full-automatic control machining system and process for differential shell |
| CN114633135B (en) * | 2022-03-17 | 2024-06-25 | 齐齐哈尔华工机床股份有限公司 | Combined clamping method and device for machining center |
| CN116689836B (en) * | 2023-08-09 | 2023-12-08 | 杭州鄂达精密机电科技有限公司 | Full-automatic integrated tooling fixture for workpieces |
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