CN107971738A - Electronic multiaxis nut Auto-lock Machine - Google Patents
Electronic multiaxis nut Auto-lock Machine Download PDFInfo
- Publication number
- CN107971738A CN107971738A CN201610921973.8A CN201610921973A CN107971738A CN 107971738 A CN107971738 A CN 107971738A CN 201610921973 A CN201610921973 A CN 201610921973A CN 107971738 A CN107971738 A CN 107971738A
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- China
- Prior art keywords
- unit
- tightening
- control unit
- parameter
- lock machine
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/069—Multi-spindle machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a kind of electronic multiaxis nut Auto-lock Machine, electronic multiaxis nut Auto-lock Machine control system hardware device mainly has management computer, upper coordination unit, axis control unit, detection unit, servo unit and mechanical part；The error range and Internal system parameters of corner starting torque, corner value, torque value and requirement that the technological parameter that management computer installation is tightened such as is tightened；Coordination unit carries the technological parameter and inner parameter of non-volatile material storage system, itself carries lamp and charactron and keypad, for showing and changing these parameters；When system electrification or Parameters variation, parameter is write coordination unit in each control unit by bus has numeral input, for receiving automatic tightening signal and the input of multiple-shaft tightening signal, in the case where condition meets, the state for tightening each control unit of instructions coordinate unit scan round is sent to control unit by bus.The present invention realizes screw thread automatic tightening.
Description
Technical field
The invention belongs to the field of assembling, more particularly to a kind of electronic multiaxis nut Auto-lock Machine.
Background technology
Screw thread automatic screwing device is that the key of automobile assembling quality control is set primarily directed to the assembling of auto parts and components
It is standby, because in the assembling process of auto parts and components, there is substantial amounts of bolt to need to tighten.Its object of tightening can be bolt,
It can also be nut.But its use scope is not limited to automobile industry, oneself expands to the production work of many industries at present
On position and production line.For example the fit on of pressure vessel is used in, the assembly quality of bolt on pressurized tank requires higher use
Bolt on the production industry of pneumatic element, cylinder, which is tightened, typically to be tightened by tightening machine to control their pretension
Power.It may be said that every have bolt to need the station tightened, particularly it is more need to tighten bolt for those, or bolt need to use large torque
Come what is tightened, or bolt tightens the stringenter station of extent control, or the station that several situations all meet.
The content of the invention
The defects of for the prior art, the present invention provides a kind of electronic multiaxis nut Auto-lock Machine.
A kind of electronic multiaxis nut Auto-lock Machine, electronic multiaxis nut Auto-lock Machine control system hardware device mainly have management to count
Calculation machine, upper coordination unit, axis control unit, detection unit, servo unit and mechanical part；
Corner starting torque, corner value, torque value and the requirement that the technological parameter that management computer installation is tightened such as is tightened
Error range etc. and Internal system parameters；Coordination unit carries the technological parameter and inner parameter of non-volatile material storage system,
Itself carries lamp and charactron and keypad, for showing and changing these parameters；When system electrification or Parameters variation, it will join
Number writes coordination unit in each control unit by bus has numeral input, is twisted for receiving automatic tightening signal and multiaxis
Tight signal input, in the case where condition meets, is sent to control unit by bus and tightens instructions coordinate unit scan round
The state of each control unit, when each unit state changes, the state of this axis is transmitted by serial port to management computer,
At the end of automatic tightening process, show that this is tightened and whether monitor each axis during successful and this class of job accounting number automatic tightening
State, synchronous corner is sent when entirely reaching corner moment of torsion and tightens instruction according to parameter setting, it is fixed during automatic tightening
When read and specify axis to tighten dynamic torque and angle value, management computer sent to by serial port.
Tightening machine control software flow has three prevailing operating states to add unloading, parameter modification and debug three zones manually
Module.Under manual debugging mode, it each to system can move link and carry out one-step control, inspection and the installation of sensor and tune
It is whole, installation and debugging and maintenance, maintenance for equipment.Tightening machine concrete structure is by the four most of number of composition detection parts, control
System is detected and controlled as core with moment of torsion, the torque signal and preset value that industrial personal computer exports signal detection part into
Row compares, its comparative result determines the operating status of servomotor, that is, passes through power and running part, signal detection part, control
The system closed-loop system that is formed of part realizes tightening for bolt, ensures the precision of assembling.Axis control unit is mainly by a zero
Part composition servo-drive system, reducing gear, torque sensor and device for screwing up.
The beneficial effects of the invention are as follows：Using screw thread automatic screwing device, its superiority is just fully demonstrated, first, can
To improve production efficiency, labor strength is reduced, it is the assembling quality that can ensure screw thread to improve work situation two, makes screw thread
Connection is reliable.
Brief description of the drawings
Fig. 1 is the structure diagram of tightening machine；
Fig. 2 is assembly flow charts.
Embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings to the present invention
Embodiment be described in detail, make the above and other purpose of the present invention, feature and advantage will become apparent from.Complete
Identical reference numeral indicates identical part in portion's attached drawing.Not deliberately attached drawing drawn to scale, it is preferred that emphasis is show this hair
Bright purport.
As shown in Figure 1, 2, electronic multiaxis nut Auto-lock Machine control system hardware device mainly has management computer, upper association
Unit, axis control unit, detection unit, servo unit and Machinery Ministry is adjusted to grade.The technological parameter that management computer installation is tightened
The error range and Internal system parameters such as system of corner starting torque, corner value, torque value and the requirement such as tightened are each
Speed that rundown process uses, various Protection parameters, data transfer the teams and groups such as interval job management, receive coordination unit and pass
Each axis rundown process for sending and tighten result and be stored in database, there is the lookup for tightening result and printing function to receive and coordinate
The specified axis rundown process curve and real-time display of unit transmission, valuable curve can be stored in hard disk as requested, can be at any time
Display or printing, the moment of torsion ascending and descending process of curve reflection and the situation of yield point are recalled, part is tightened available for analysis
Material and processing condition managing computer further provided with quality analysis software, according to storage tighten result calculate certain year, the moon,
Day or class tighten quality distribution diagram histogram, according to the sampled packet value for tightening result and technological requirement and setting of storage,
Calculated using normal distribution algorithm and tighten quality trends map analysis value, curve can show and print, and for Instructing manufacture, avoid
The appearance of defect ware.
Coordination unit carries the technological parameter and inner parameter of non-volatile material storage system, itself carries lamp and charactron
And keypad, for showing and changing these parameters.When system electrification or Parameters variation, parameter is write into each control by bus
Coordination unit has numeral input in unit processed, for receiving automatic tightening signal and the input of multiple-shaft tightening signal, expires in condition
In the case of foot, the state for tightening each control unit of instructions coordinate unit scan round is sent to control unit by bus, when
When each unit state changes, the state of this axis is transmitted to management computer by serial port, at the end of automatic tightening process,
Show that this tightens the state that each axis whether is monitored during successful and this class of job accounting number automatic tightening, entirely reach corner
Synchronous corner is sent during moment of torsion and tightens instruction according to parameter setting, is periodically read during automatic tightening and specifies tightening for axis dynamic
State moment of torsion and angle value, management computer is sent to by serial port.
Tightening machine control software flow has three prevailing operating states to add unloading, parameter modification and debug three zones manually
Module.Due to the use of computer and new exploitation software so that the system has higher control flexibility and intuitively people
Machine interface.After system energization start, industrial personal computer carries out system initialization and parameter setting, including back pressure on slim cylinder.
After the completion of initialization, industrial personal computer shows original state interface, and operating personnel can press the function button on industrial personal computer panel and select
Select corresponding function.After Load-unload working status enters Load-unload function module, state interface, behaviour are selected by Load-unload
Make personnel to set the actual product model to be assembled by button, also can be to tightening number once or secondary tightening
Set.Then by loading play button, the loading working status of tightening that system enters flange nut presses unloaded operation button,
System unscrews unloaded operation state into flange nut.The product parameters that parameter modification state is used to put Installed System Memory carry out
Modification, to meet the requirement of replacement of products and produce reality.After system enters parameter adapting module, operator correctly enters password
Afterwards, system allows the data that inside is deposited are modified and deposited.For in the parameter of modification, " predetermined screw-down torque " is dress
Screw-down torque with two kinds of product flange nuts required by technique.Torque sensor coefficient refers to react the reality on loading head
Ratio between the voltage that border moment of torsion and capture card sample, the value under normal circumstances must not after designer mixes up setting
Change.
, can each to system movement link progress one-step control, inspection and the installation of sensor under manual debugging mode
And adjustment, installation and debugging and maintenance, maintenance for equipment.It can carry out the rising, decline, switching of main shaft respectively under this interface
At a high speed, switch low speed, the action such as rotate and reverse, to check whether all parts movement is normal.In a debug state, industrial personal computer
It can show real-time sampling voltage and torque value.
Tightening machine concrete structure is detected and controlled as core by the four most of number of composition detection parts, control system with moment of torsion
The heart, the torque signal and preset value that industrial personal computer exports signal detection part are compared, its comparative result determines servo
The operating status of motor, i.e., the closed-loop system being made up of power and running part, signal detection part, control section is come real
Existing bolt is tightened, and ensures the precision of assembling.Control section, pneumatic part, power and running part.When selected workpiece model and
Effective axis, after workpiece positioning, cylinder promotes main shaft to decline, by installed in the torsion of main shaft lower end under the guiding role of convex edge snap-gauge
Square loading head, which is fed to, tightens position, and entrance immediately recognizes cap process servomotor and drives the rotation of main shaft initial velocity nut is slipped into loading
Head, starts to tighten operation.At rundown process initial stage, main shaft high-speed rotation when nut is in loosening state, to make in the short time
Nut screw-down torque reaches threshold moment of torsion.Illustrate that nut is contacted with gasket after reaching threshold moment of torsion, the speed of mainshaft is cut automatically
Lower-speed state is changed to, reaching preset value to nut screw-down torque stops.Before making cylinder drive main shaft to rise, main shaft makees low-angle
Invert at a slow speed so that loading head and workpiece top nut depart from.It is the course of work of single shaft above, is required during automatic tightening
Multiaxis is coordinated, and acts at the same time.Axis control unit is most important part in screw thread automatic screwing device, it is responsible for bolt or nut
Tighten and the measurement of screw-down torque and angle.Classified with the number of axis control unit to tightening machine, there are several axis controls
Unit processed is known as a few axis tightening machines.Corresponding each axis control unit has an independent control unit respectively, convenient maintenance, replace or
System upgrade.When some axis control unit breaks down, control panel, which corresponds to each axis, has indicator light to remind operator.
Axis control unit mainly forms servo-drive system, reducing gear, torque sensor and device for screwing up by a parts.Under
Face is described in detail respectively.Servo-drive system has AC servo and DC servomechanism, and AC servo uses AC servo
Motor, the DC servo motor that DC servo uses.Both motors respectively have the mechanical property of advantage and disadvantage DC servo motor to be
Linear, torque uniformly declines with the increase of rotating speed.And the mechanical property of AC servo motor is nonlinear, and characteristic
Slope with control voltage difference and change.DC servo motor is brought many due to needing brush and commutator
Such as structure fabrication process is complicated, brush and commutator is not required in the major defect AC servo motor that easily breaks down, therefore
It is simple in structure, reliable, there is no the advantages that radio interference.It is to drop the rotating speed of motor that the effect of reducing gear, which has two one,
Get off, reach our requirement.
Many details are elaborated in the above description in order to fully understand the present invention.But above description is only
Presently preferred embodiments of the present invention, the invention can be embodied in many other ways as described herein, therefore this
Invention from specific implementation disclosed above limitation.Any those skilled in the art are not departing from the technology of the present invention at the same time
In the case of aspects, all technical solution of the present invention is made using the methods and technical content of the disclosure above many possible
Changes and modifications, or it is revised as the equivalent embodiment of equivalent variations.Every content without departing from technical solution of the present invention, according to this
The technical spirit of invention still falls within skill of the present invention to any simple modifications, equivalents, and modifications made for any of the above embodiments
In the range of the protection of art scheme.
Claims (5)
- A kind of 1. electronic multiaxis nut Auto-lock Machine, it is characterised in that electronic multiaxis nut Auto-lock Machine control system hardware device master There are management computer, upper coordination unit, axis control unit, detection unit, servo unit and mechanical part；Manage computer The error range and system of corner starting torque, corner value, torque value and requirement that the technological parameter that setting is tightened such as is tightened Inner parameter；Coordination unit carries the technological parameter and inner parameter of non-volatile material storage system, itself carries lamp and number Pipe and keypad, for showing and changing these parameters；When system electrification or Parameters variation, parameter is write each by bus Coordination unit has numeral input in control unit, for receiving automatic tightening signal and the input of multiple-shaft tightening signal, in condition In the case of satisfaction, the state for tightening each control unit of instructions coordinate unit scan round is sent to control unit by bus, When each unit state changes, the state of this axis is transmitted to management computer by serial port, automatic tightening process terminates When, show that this tightens the state that each axis whether is monitored during successful and this class of job accounting number automatic tightening, entirely reach Synchronous corner is sent during corner moment of torsion and tightens instruction according to parameter setting, is periodically read during automatic tightening and specifies twisting for axis Tight dynamic torque and angle value, management computer is sent to by serial port.
- 2. electronic multiaxis nut Auto-lock Machine according to claim 1, it is characterised in that tightening machine control software flow has three A prevailing operating state adds unloading, parameter modification and debugs three zones module manually.
- 3. electronic multiaxis nut Auto-lock Machine according to claim 1, it is characterised in that, can be right under manual debugging mode The each movement link of system carries out one-step control, inspection and the installation of sensor and adjustment, installation and debugging and dimension for equipment Repair, safeguard.
- 4. electronic multiaxis nut Auto-lock Machine according to claim 1, it is characterised in that tightening machine concrete structure is by four big portions A number detection part is grouped into, control system is detected and controlled as core with moment of torsion, and industrial personal computer exports signal detection part Torque signal and preset value are compared, its comparative result determines the operating status of servomotor, that is, passes through power and biography The closed-loop system that dynamic part, signal detection part, control section are formed realizes tightening for bolt, ensures the precision assembled.
- 5. electronic multiaxis nut Auto-lock Machine according to claim 1, it is characterised in that axis control unit is mainly by a zero Part composition servo-drive system, reducing gear, torque sensor and device for screwing up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610921973.8A CN107971738A (en) | 2016-10-21 | 2016-10-21 | Electronic multiaxis nut Auto-lock Machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610921973.8A CN107971738A (en) | 2016-10-21 | 2016-10-21 | Electronic multiaxis nut Auto-lock Machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107971738A true CN107971738A (en) | 2018-05-01 |
Family
ID=62004686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610921973.8A Pending CN107971738A (en) | 2016-10-21 | 2016-10-21 | Electronic multiaxis nut Auto-lock Machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107971738A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109227104A (en) * | 2018-09-17 | 2019-01-18 | 常州数控技术研究所 | A kind of stubborn bolt method of moment of torsion control |
| CN111114199A (en) * | 2019-12-20 | 2020-05-08 | 神州高铁技术股份有限公司 | Control method of automatic wheel mounting/dismounting apparatus and computer-readable storage medium |
| CN112959044A (en) * | 2021-02-08 | 2021-06-15 | 广西玉柴机器股份有限公司 | Cylinder head bolt tightening method |
| CN116276011A (en) * | 2023-03-22 | 2023-06-23 | 重庆智能机器人研究院 | Tightening tool torque control method and tightening tool |
-
2016
- 2016-10-21 CN CN201610921973.8A patent/CN107971738A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109227104A (en) * | 2018-09-17 | 2019-01-18 | 常州数控技术研究所 | A kind of stubborn bolt method of moment of torsion control |
| CN109227104B (en) * | 2018-09-17 | 2019-12-13 | 常州数控技术研究所 | torque control bolt screwing method |
| CN111114199A (en) * | 2019-12-20 | 2020-05-08 | 神州高铁技术股份有限公司 | Control method of automatic wheel mounting/dismounting apparatus and computer-readable storage medium |
| CN112959044A (en) * | 2021-02-08 | 2021-06-15 | 广西玉柴机器股份有限公司 | Cylinder head bolt tightening method |
| CN116276011A (en) * | 2023-03-22 | 2023-06-23 | 重庆智能机器人研究院 | Tightening tool torque control method and tightening tool |
| CN116276011B (en) * | 2023-03-22 | 2024-04-23 | 重庆智能机器人研究院 | Tightening tool torque control method and tightening tool |
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Legal Events
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| PB01 | Publication | ||
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Application publication date: 20180501 |