CN211427139U - Screw lock attaches control system and screw machine - Google Patents
Screw lock attaches control system and screw machine Download PDFInfo
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- CN211427139U CN211427139U CN201921867984.8U CN201921867984U CN211427139U CN 211427139 U CN211427139 U CN 211427139U CN 201921867984 U CN201921867984 U CN 201921867984U CN 211427139 U CN211427139 U CN 211427139U
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Abstract
The utility model discloses a screw locking control system, which comprises an acquisition component, a conversion component, a modeling component, a judgment component and a control component, wherein the acquisition component is used for acquiring and generating motor working parameter information and screw position information; inputting corresponding nailing effect information; the conversion component is used for converting the motor working parameters into corresponding screw working parameter information according to the conversion relation; the modeling component receives and establishes nailing models according to a plurality of groups of screw working parameter information with normal nailing effects; the judging assembly is used for receiving and judging a nailing stage and a nailing state according to real-time screw working parameter information, a nailing model and an error range; the control assembly is connected with the modeling assembly and the judging assembly and used for controlling the rotating speed of the motor according to the nailing stage and the nailing model when nailing, and the final nailing effect is ensured to be good. The utility model also provides a screw machine.
Description
Technical Field
The utility model relates to a lock screw technical field, concretely relates to screw lock attaches control system and screw machine.
Background
With the rapid development of industries such as automobiles, spaceflight, machinery and the like in China, the assembly requirements on various precise mechanical parts are higher and higher, and the screwdriver is an important tool for screwing the screw and can be widely used in various assembly processes, so that the improvement of the control precision of the screwing tool becomes urgent; although the existing screw locking system realizes automation of a screw screwing process, accurate control of a screwing tool cannot be performed according to actual working conditions, so that a nailing effect is poor, and the follow-up procedures are finally influenced to perform and the product quality.
SUMMERY OF THE UTILITY MODEL
In order to overcome current screw lock attach the system can't carry out accurate control to screwing up the instrument according to operating condition to lead to the poor technical problem of nailing effect, the utility model provides a screw lock attaches control system and screw machine.
Screw lock attach control system, include:
the collection assembly is used for collecting and generating motor working parameter information and screw position information during or after nailing, and inputting nailing effect information corresponding to the motor working parameter information according to the screw position information; wherein, nailing effect information includes: normal and abnormal;
the conversion assembly is used for obtaining the conversion relation between the motor and the screw according to the hardware installation mode between the motor and the screw; the conversion component is connected with the acquisition component, receives the motor working parameter information and converts the motor working parameter into corresponding screw working parameter information according to the conversion relation;
the modeling component is respectively connected with the acquisition component and the conversion component and is used for receiving and establishing a nailing model according to a plurality of groups of normal screw working parameter information with a nailing effect;
the judging component is respectively connected with the converting component and the modeling component and is used for receiving and judging a nailing stage and a nailing state according to real-time screw working parameter information, a nailing model and an error range;
and the control assembly is connected with the modeling assembly and the judging assembly and is used for controlling the rotating speed of the motor according to the nailing stage and the nailing model when nailing.
Preferably, the screw locking control system further comprises:
and the abnormity alarm component is connected with the judgment component and is used for receiving and alarming abnormity according to the nailing state.
Preferably, the motor operating parameter information includes: motor torque, motor speed and motor running time.
Preferably, the control assembly is a PLC.
Preferably, the nailing model is established according to 30 to 100 groups of screw working parameter information with normal nailing effect.
Preferably, the error range includes: torque error range, rotational speed error range and time fluctuation error range.
Preferably, the torque error range is: -1% to 1%.
Preferably, the error range of the rotating speed is as follows: -1% to 1%.
Preferably, the time fluctuation error range is: -100ms to 100 ms.
And simultaneously, the utility model also provides a screw machine, attach control system including any kind of screw lock of the aforesaid.
To sum up, the utility model provides a screw lock attaches control system, before actual nailing operation, establish the nailing model in advance, if carry out the nailing according to each stage in the nailing model, then can make final nailing respond well, accord with nailing job requirement, like this at actual nailing in-process through gathering real-time motor working parameter information, and convert into corresponding screw working parameter, utilize screw working parameter and establish the nailing model and can judge current nailing stage, just can know the motor rotational speed that next nailing in-process needs, and the rotational speed through control assembly regulation and control motor, make the nailing process go on according to the stage that the nailing model set for, thereby can accurate control motor rotational speed, make final nailing effect satisfy the job requirement, avoid influencing follow-up work, ensure the work piece quality.
The utility model relates to a screw machine has equally can ensure the advantage of good nailing effect at the accurate control motor rotational speed of nailing in-process.
Drawings
Fig. 1 is a schematic structural view of a screw locking control system according to the present invention;
fig. 2 is a schematic view of a nailing model of a M3 × 6.5 screw according to the present invention.
Wherein, 1 is the collection subassembly, 2 is the conversion subassembly, 3 is the subassembly of modelling, 4 is the judgement subassembly, 5 is the control assembly.
Detailed Description
The following description of the embodiments according to the present invention is made with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and the present invention is not limited to the specific embodiments disclosed below.
In order to understand the utility model more clearly, the following explains the working process of nailing by using the screw machine, specifically, the screw suction nozzle mechanism sucks the screw to be nailed, and according to the indication of the visual detection mechanism, the screw at the front end of the suction nozzle body on the screw suction nozzle mechanism is placed at the hole of the screw hole, the screwdriver descends, and screws the screw under the driving force of the motor connected with the screwdriver, and meanwhile, the screw suction nozzle mechanism loosens the screw, thus completing the process of screwing the screw; it can be thought that how to carry out accurate control to the motor of being connected with the screwdriver according to operating condition is the key that influences final nailing effect.
In order to overcome current screw lock attach the system can't carry out accurate control to screwing up the instrument according to operating condition to lead to the poor technical problem of nailing effect, the utility model provides a screw lock attaches control system and screw machine.
Screw lock attach control system, as shown in fig. 1, include:
the nailing device comprises a collecting assembly 1, a nailing machine and a nailing machine, wherein the collecting assembly 1 is used for collecting and generating motor working parameter information and screw position information in or after a nailing process, and inputting nailing effect information corresponding to the motor working parameter information according to the screw position information; wherein, nailing effect information includes: normal and abnormal;
the conversion component 2 is used for obtaining the conversion relation between the motor and the screw according to the hardware installation mode between the motor and the screw; the conversion component 2 is connected with the acquisition component 1, receives the motor working parameter information, and converts the motor working parameter into corresponding screw working parameter information according to the conversion relation;
the modeling component 3 is respectively connected with the acquisition component 1 and the conversion component 2 and is used for receiving and establishing nailing models for a plurality of groups of normal screw working parameter information according to nailing effects;
the judging component 4 is respectively connected with the converting component 2 and the modeling component 3, and is used for receiving and judging a nailing stage and a nailing state according to real-time screw working parameter information, a nailing model and an error range;
and the control assembly 5 are connected with the modeling assembly 3 and the judging assembly 4 and used for controlling the rotating speed of the motor according to the nailing stage and the nailing model when nailing.
In the embodiment, if the motor for providing power is directly connected with the tightening tool, and the tightening tool is directly used for tightening the screw, no error exists; the conversion relation is that the motor torque is the screw torque, and the motor rotating speed is the screw rotating speed; of course, the conversion relationship between the motor and the screw is not limited to the above relationship, and should be set for the hardware installation relationship between the motor and the screw.
In this embodiment, the screw parameter information includes a screw torque and a screw rotation speed; as shown in fig. 2, the nailing mold comprises a plurality of nailing stages, each nailing stage is sequentially performed, preferably five nailing stages; the information in the nailing model comprises screw torque, screw rotating speed and motor running time corresponding to each stage; the screw position information includes: the angle of the screw relative to the plane of the workpiece and the depth of the screw relative to the workpiece after the nailing process.
By adopting the technical scheme, the collecting assembly 1 collects and generates motor working parameter information in the nailing process, collects and generates screw position information after the nailing process, and obtains nailing effect information corresponding to the motor working parameter information according to the working requirement and the screw position information; the conversion component 2 obtains a conversion relation between the motor and the screw according to a hardware installation mode between the motor and the screw, and converts the working parameters of the motor into corresponding screw working parameter information according to the conversion relation; the modeling component 3 selects a plurality of groups of screw working parameter information with normal nailing effect, establishes a nailing model, and nails according to the nailing model, so that good nailing effect can be ensured; judge subassembly 4 can judge the concrete stage that current nailing stage lies in the nailing model according to real-time screw working parameter to according to the information in the nailing model, regulate and control the rotational speed of motor, thereby accurate control motor rotational speed makes the motor rotational speed and the motor moment of output satisfy nailing model requirement, ensures that the nailing is respond well, guarantees the work piece quality.
On the basis of the above embodiment, further, the acquisition component 1 may be a PLC analog module; the conversion assembly 2 may be a torque tester; the modeling component 3 may be a computer; the judgment component 4 can be a PLC; of course, the collecting component 1, the converting component 2, the modeling component 3 and the judging component 4 can be any existing component which meets the requirement.
On the basis of the above embodiment, further, the screw locking control system further includes:
and the abnormity alarm component is connected with the judgment component 4 and is used for receiving and alarming abnormity according to the nailing state.
In this embodiment, the judging component 4 judges that the nailing state is abnormal, and there are: the duration of each phase is overtime; each stage is not continuous and is not performed in sequence; the moment and the rotating speed of the screw in each stage have large fluctuation and the like; the abnormal alarming component can be a warning lamp, and when the nailing state is abnormal, the warning lamp emits light to warn; alternatively, it may be any existing component that meets the operational requirements.
By adopting the technical scheme, when the nailing process is not carried out according to the nailing model, the abnormity alarming component can carry out abnormity alarming according to the nailing state so as to remind that the workpiece is prevented from being damaged by adjusting aiming at abnormal conditions when follow-up work is carried out.
On the basis of the above embodiment, further, the motor operating parameter information includes: motor torque, motor speed and motor running time.
On the basis of the above embodiment, further, the control unit 5 is a PLC.
By adopting the technical scheme, the PLC has strong universality and convenient use, and can be applied to the control of the rotating speed of the motor; and PLC's reliability and interference killing feature are strong for control assembly 5 can stable control motor speed, further ensure that the nailing is respond well.
On the basis of the above embodiment, further, a nailing model is established according to 30 to 100 sets of screw working parameter information with normal nailing effect.
By adopting the technical scheme, the nailing model is established according to the working parameter information of 30 to 100 groups of screws with normal nailing effects, so that the established model can accurately deduce that the good nailing effect is to be realized, and the rotating speed of the motor is accurately controlled in the future; but also can save the acquisition cost.
On the basis of the above embodiment, further, the error range includes: torque error range, rotational speed error range and time fluctuation error range.
On the basis of the above embodiment, further, the torque error range is: -1% to 1%.
On the basis of the above embodiment, further, the error range of the rotation speed is: -1% to 1%.
It should be noted that, in the above and the present embodiment, the torque error range is: -1% to 1%, with a speed error range of: -1% to 1%, exemplary: as shown in fig. 2, in the nailing model, at the intermediate time of the second stage, the corresponding screw rotation speed is: 750r/min, and the screw moment is 6kgf.cm, the corresponding moment error range value is: 5.94kgf.cm to 6.06kgf.cm, the error range of the rotating speed is as follows: 742.5r/min to 757.5r/min, namely if the obtained screw torque is in the range of 5.94kgf.cm to 6.06kgf.cm and the screw rotation speed is in the range of 742.5r/min to 757.5r/min, the middle time of the second stage is judged.
On the basis of the above embodiment, further, the time fluctuation error range is: -100ms to 100 ms.
In this embodiment, the time fluctuation error range is: 100ms to 100ms, exemplary: as shown in fig. 2, in the nailing model, the duration of the second stage is: 400ms, the corresponding time fluctuation error range is 300ms to 500ms, that is, if the obtained second stage duration is in the range of 300ms to 500ms and other conditions are normal, the current nailing state is judged to be normal.
It should be noted that, because of the influence of parameters such as screw length and screw diameter during nailing, nailing models corresponding to different parameters may not be the same; fig. 2 shows only a specific embodiment of the nailing model of the present invention, and does not represent the situation that the nailing model can only be the one described above or shown in the drawings, specifically, the screw torque error range value, the screw rotation speed error range value, and the time fluctuation error range value need to be calculated according to the actual situation.
By adopting the technical scheme, the information of the screw torque, the screw rotating speed and the motor running time corresponding to each stage is specified in the nailing model, but in the actual acquisition process, a certain deviation may exist between the obtained screw torque and the obtained screw rotating speed, or the obtained real-time information is not greatly different from the information specified in the model, and can be considered to be in the corresponding stage, so that the adaptability of the control system is improved.
And simultaneously, the utility model also provides a screw machine, attach control system including any kind of screw lock of the aforesaid.
To sum up, the utility model provides a screw lock attaches control system, before actual nailing operation, establish the nailing model in advance, if carry out the nailing according to each stage in the nailing model, then can make final nailing respond well, accord with nailing job requirement, like this at actual nailing in-process through gathering real-time motor working parameter information, and convert into corresponding screw working parameter, can judge current nailing stage through screw working parameter and establishment nailing model, just can know the motor rotational speed that next nailing in-process needs, and through the rotational speed of 5 regulation and control motors of control assembly, make the nailing process go on according to the stage that the nailing model set for, thereby can accurate control motor rotational speed, make final nailing effect satisfy job requirement, avoid influencing follow-up work, ensure the work piece quality.
The utility model relates to a screw machine has equally can ensure the advantage of good nailing effect at the accurate control motor rotational speed of nailing in-process.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A screw locking control system, comprising:
the nailing device comprises a collecting assembly, a control assembly and a control assembly, wherein the collecting assembly is used for collecting and generating motor working parameter information and screw position information in or after a nailing process, and inputting nailing effect information corresponding to the motor working parameter information according to the screw position information; wherein the nailing effect information includes: normal and abnormal;
the conversion assembly is used for obtaining the conversion relation between the motor and the screw according to the hardware installation mode between the motor and the screw; the conversion component is connected with the acquisition component, receives the motor working parameter information and converts the motor working parameter into corresponding screw working parameter information according to the conversion relation;
the modeling component is respectively connected with the acquisition component and the conversion component and is used for receiving and establishing a nailing model according to the plurality of groups of normal screw working parameter information with the nailing effect;
the judging component is respectively connected with the converting component and the modeling component and is used for receiving and judging a nailing stage and a nailing state according to the real-time screw working parameter information, the nailing model and the error range;
and the control assembly is connected with the modeling assembly and the judging assembly and used for controlling the rotating speed of the motor according to the nailing stage and the nailing model when nailing.
2. The screw-lock attachment control system of claim 1, further comprising:
and the abnormity alarm component is connected with the judgment component and is used for receiving and alarming abnormity according to the nailing state.
3. The screw lock attachment control system of claim 2 wherein the motor operating parameter information includes motor torque, motor speed, and motor run time.
4. The screw lock attachment control system of claim 2 wherein the control assembly is a PLC.
5. The screw locking control system of claim 2, wherein a nailing model is established according to 30 to 100 sets of the screw working parameter information with normal nailing effect.
6. The screw lock attachment control system of claim 2, wherein the error ranges include a torque error range, a rotational speed error range, and a time fluctuation error range.
7. The screw lock attachment control system of claim 6, wherein the torque error range is: -1% to 1%.
8. The screw locking control system of claim 6, wherein the rotational speed error range is: -1% to 1%.
9. The screw lock attachment control system of claim 6, wherein the time fluctuation error range is: -100ms to 100 ms.
10. A screw machine comprising a screw locking control system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867984.8U CN211427139U (en) | 2019-11-01 | 2019-11-01 | Screw lock attaches control system and screw machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867984.8U CN211427139U (en) | 2019-11-01 | 2019-11-01 | Screw lock attaches control system and screw machine |
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| Publication Number | Publication Date |
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| CN211427139U true CN211427139U (en) | 2020-09-04 |
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| CN201921867984.8U Active CN211427139U (en) | 2019-11-01 | 2019-11-01 | Screw lock attaches control system and screw machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115446582A (en) * | 2022-08-15 | 2022-12-09 | 深圳研控自动化科技股份有限公司 | Screw locking method, system, terminal device and medium |
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2019
- 2019-11-01 CN CN201921867984.8U patent/CN211427139U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115446582A (en) * | 2022-08-15 | 2022-12-09 | 深圳研控自动化科技股份有限公司 | Screw locking method, system, terminal device and medium |
| CN115446582B (en) * | 2022-08-15 | 2024-05-07 | 深圳研控自动化科技股份有限公司 | Screw locking method, system, terminal equipment and medium |
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