CN107405760B - Screw connection member fastening tool - Google Patents

Screw connection member fastening tool Download PDF

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Publication number
CN107405760B
CN107405760B CN201680018648.9A CN201680018648A CN107405760B CN 107405760 B CN107405760 B CN 107405760B CN 201680018648 A CN201680018648 A CN 201680018648A CN 107405760 B CN107405760 B CN 107405760B
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CN
China
Prior art keywords
connection member
screw connection
rotation amount
fastening
screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201680018648.9A
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Chinese (zh)
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CN107405760A (en
Inventor
肥田浩和
大塚贤二
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Nitto Kohki Co Ltd
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Nitto Kohki Co Ltd
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Publication date
Application filed by Nitto Kohki Co Ltd filed Critical Nitto Kohki Co Ltd
Publication of CN107405760A publication Critical patent/CN107405760A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/141Mechanical overload release couplings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/145Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers
    • B25B23/1456Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers having electrical components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/147Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers

Abstract

The present invention provides the screw connection member fastening tool for having the interim fastening function of screw.Electric screw driver (1) has the control unit (30) for the driving for driver bit (16) being fixed the bit holder (18) of holding, the drive motor (32) and control drive motor of driving bit holder rotation.In the electric screw driver (1), control unit (30) controls drive motor (32), automatically inverts second rotation amount smaller than the first rotation amount after so that bit holder (18) is rotated forward the first rotation amount.Control unit (30) controls the rotation amount of bit holder (32) by controlling the driving time of drive motor (32).As long as time (first time) will be driven forward to be set as not being located in the first rotation amount being driven forward by the amount of fastening member as screw, even if being then also able to carry out the interim fastening of screw in the case where the internal tooth washer etc. to relax can not be easy to carry out once fastening screw by using.

Description

Screw connection member fastening tool
Technical field
The present invention relates to a kind of screw connection member fastening tools, more specifically, are related to having facing for the screw connection members such as screw When fastening function screw connection member fastening tool.
Background technique
Such as in the assembling operation of manufacturing line, make the screw connection members such as screw, nut relative to by fastening structure sometimes Part becomes the interim tightening state not exclusively fastened.For example, making above-mentioned in the case where being fastened by fastening member by multiple screws Screw first becomes interim tightening state, and the formal tight of above-mentioned screw is carried out after having carried out by the final position adjustment of fastening member Gu so as to which correct position will be fastened and fixed to by fastening member.In addition, the screw for the terminal in fixing terminal platform It is the component that terminal is connected and finally fastened by user, therefore generallys use interim tightening state in product export.
In the screw terminal operation of manufacturing line, usually using electric screw driver as patent document 1.It is using In the case that such electric screw driver carries out the interim terminal operation of screw, in most cases operator's operation handle to Screw stops electric screw driver before fastening completely.
Citation
Patent document
Patent document 1: No. 3992676 bulletins of Japanese Patent Publication No.
Summary of the invention
Problems to be solved by the invention
However, in the interim terminal operation for carrying out screw connection member dependent on the sense organ operation of operator as described above When, it is possible to so that screw connection member is become the state of fastening.When screw connection member is fastened, needs to switch rotating forward reversion and open It closes so that the screw connection members fastening tool such as electric screw driver inverts, it is more troublesome to relax to screw connection member.In addition, It, then can not be easily right once screw connection member fastens such as in the case where using internal tooth washer (Japanese: chrysanthemum seat) as washer Screw connection member relaxes, to can not substantially become interim tightening state.
In view of such problems, carried out the purpose of the present invention is to provide that can be operated independent of the sense organ of operator The interim terminal operation of screw connection member, the interim fastening function that has screw connection member screw connection member fastening tool.
Solution for solving the problem
I.e. the present invention provides a kind of screw connection member fastening tool, has the function of temporarily fastening screw connection member, wherein The screw connection member fastening tool has: screw connection member holding section engages with the screw connection member;Driving portion drives institute State the rotation of screw connection member holding section;And control unit, the driving of the driving portion is controlled, the control unit controls the driving Portion automatically inverts second rotation smaller than first rotation amount after so that the screw connection member holding section is rotated forward the first rotation amount Amount.
In the screw connection member fastening tool, screw connection member holding section automatically inverts after rotating forward the first rotation amount Two rotation amounts, therefore by cooperating used screw connection member suitably to set the first rotation amount and the second rotation in advance Amount can operate independent of the sense organ of operator and screw connection member is made to become interim tightening state.
Or the control unit is engaged by controlling the driving time of the driving portion to control the screw connection member The rotation amount in portion makes the screw connection member holding section rotate forward described first by being driven forward the driving portion at the first time Rotation amount makes the screw connection member holding section invert second rotation by making the driving portion be driven reverse for the second time Amount, the first time are set to first rotation amount and are not located in as the screw connection member by the amount of fastening member.
It is set to the first rotation amount at the first time not to be located in as screw connection member by the amount of fastening member, therefore for example Even if screw connection member will not be located in internal tooth washer and be fixed using internal tooth washer.In addition, screwing togather structure In the case that part is screw or bolt, by set the head for making the first rotation amount become screw etc. at the first time will with it is interior The amount of tooth washer contacts, is able to confirm that whether internal screw thread forms to depth, and the head that can also be formed as screw etc. is floating Play the interim tightening state of specified amount.
Preferably, the screw connection member fastening tool is also equipped with torque detection means, torque detection means detection pair The case where screw connection member holding section is applied with the load torque of specified value or more, when controlling the driving portion so that described During screw connection member holding section rotates forward first rotation amount, by the torque detection means detect the specified value with On load torque when, the control unit stops the driving portion.
Alternatively, it is also possible to for first rotation amount rotates laggard by fastening member to being located in for the screw connection member One step fastened by defined fastening torque until amount, the control unit is by making the screw connection member holding section rotate described the It is described by fastening member that one rotation amount is located in the screw connection member, and as defined in applying to the screw connection member after in place Then fastening torque makes the screw connection member holding section automatically invert second rotation amount.
Keep screw connection member temporarily in place, therefore not by the deviation of the length of screw connection member, the initial configuration of screw connection member The influence of deviation can be such that the position of the screw connection member after temporarily fastening equably is aligned.In addition, by screwing togather after in place Component apply as defined in fastening torque, the in stable condition of positioning surface can be made, thus when formal fastening after interim fastening into The fastening of the more stable screw connection member of row.That is, for example passing through application in interim fastening there are in the case where burr in positioning surface Defined fastening torque can crush the burr of positioning surface, therefore can reduce the load generated in formal fastening by burr. In addition, becoming positioning surface by applying defined fastening torque in interim positioning for example in the case where positioning surface softness Collapse under pressure primary state, therefore in formal positioning without the positioning surface that crushes, thus screw will not float and be able to carry out can The formal fastening leaned on.
In this case, it is preferable that the screw connection member fastening tool is also equipped with: clutch, by the drive Dynamic portion and screw connection member holding section driving link, and are being applied with the defined fastening to the screw connection member holding section When more than torque torque, the driving connection between the driving portion and the screw connection member holding section is released;And clutch passes Sensor detects the releasing for the driving connection that the clutch carries out, detects the drive in the clutch sensor When the releasing of dynamic connection, the control unit is judged as that the screw connection member holding section has rotated forward first rotation amount.
It can prevent from applying excessive load to screw connection member and by fastening member by clutch.
And, or, the control unit can select time control model and torque control model, control in the time Under mode, the rotation amount of the screw connection member holding section is controlled by controlling the driving time of the driving portion, by making Stating driving portion and being driven forward makes the screw connection member holding section rotate forward first rotation amount at the first time, by making the drive Dynamic portion's the second time of reverse drive makes the screw connection member holding section invert second rotation amount, and the first time is set It is set to first rotation amount not being located in as the screw connection member by the amount of fastening member, it, will under torque control model First rotation amount be set as the screw connection member rotate to be located in by after fastening member further by defined fastening torque Amount until fastening is located in the screw connection member and making the screw connection member holding section rotate first rotation amount It is described to apply defined fastening torque by fastening member and to the screw connection member after in place, then make the screw connection member card Conjunction portion automatically inverts second rotation amount.
And, or, the screw connection member fastening tool is also equipped with count section, and the count section is in the screw connection member When holding section rotates forward first rotation amount and then automatically inverts second rotation amount, it is set as once normally face When fasten and counted.
Preferably, the screw connection member fastening tool is also equipped with remote setting device, the remote setting device and the control Portion carries out wireless communication, and changes the setting value of first rotation amount and second rotation amount.
Hereinafter, being illustrated based on embodiment of the attached drawing to screw connection member fastening tool of the invention.
Detailed description of the invention
Fig. 1 is the outside drawing of the electric screw driver of embodiments of the present invention.
Fig. 2 is the circuit block diagram of the electric screw driver of Fig. 1.
Fig. 3 is the control flow chart of the torque control model under interim secured mode.
Fig. 4 is the control flow chart of the time control model under interim secured mode.
Specific embodiment
As shown in Figure 1, the electric screw driver 1 of an embodiment of the invention is including electric screw driver main body 10 and far Journey setting apparatus 12.
Electric screw driver main body 10 has shell 14, the driver bit engaged with screw 16, consolidates driver bit 16 Surely remain the bit holder 18 that can be dismantled, operate bit holder 18 driving beginning and stopping trigger rod 20, For switching the rotating forward reversal switch 22 of the direction of rotation of bit holder 18 and being fixed on the operation display part of shell 14 24.In addition, as shown in Fig. 2, the inside of shell 14 have be made of main control unit 26 and motor control part 28 control unit 30, And the drive motor 32 by the control driving of motor control part 28.Bit holder 18 is by by the control driving of motor control part 28 Drive motor 32 drives and rotates.In addition, being switched between rotating forward (R), neutral gear, reversion (L) by the way that reversal switch 22 will be rotated forward To change the direction of rotation of drive motor 32, thus, it is possible to change the direction of rotation of bit holder 18.In drive motor 32 The clutch (not shown) that they are carried out with driving connection is provided between bit holder 18, to bit holder 18 When more than defined fastening torque when applying formal fastening screw torque, which plays a role drive motor 32 Driving between bit holder 18, which links, to be released.The driving connection of detection clutch is also included in the inside of shell 14 The clutch sensor 34 of releasing, count section that the radical of screw for having carried out formal fastening and temporarily having fastened is counted 36 and receive the infrared signal from remote setting device 12 infrared receiver portion 38.
As shown in Figure 1, being pressed in operation display part 24 configured with LED display unit 40, Seven pieces digital displaying portion 42 and various operations Button 44 etc..LED display unit 40 shows the working condition of the electric screw driver 1 using its color.Seven pieces digital displaying portion 42 is in setting Show setup parameter, and display number corresponding with the mistake etc. when certain mistake occurs.Pass through various 44 energy of operation button Enough change the setting of the electric screw driver main body 10, or by the electric screw driver main body 10 aftermentioned, usual drive mode, It is cut between interim secured mode, infrared communication mode, main body setting mode and screw fastening time measurement mode It changes.
Remote setting device 12 has: sending the red of infrared signal to the infrared receiver portion 38 of electric screw driver main body 10 Outside line transmission unit 46, button-operating portion 48, liquid crystal display part 50 and the control unit 52 that above-mentioned part is controlled.In electricity When dynamic screwdriver body 10 is switched to infrared communication mode, remote setting device 12 passes through infrared communication and electric screw driver master The main control unit 26 of body 10 communicates, to change the various settings of electric screw driver main body 10.With can be by electric screw driver main body The setting item that 10 operation display part 24 carries out is compared, and is able to carry out more detailed setting by remote setting device 12.
Electric screw driver main body 10 becomes Password Input state when powering on, by inputting preset password Into the i.e. usual drive mode of the state that can be driven.It should be noted that the setting of password is arbitrary, can not also input Password and immediately enter usual drive mode.
Under usual drive mode, reversal switch 22 will be rotated forward and be set as rotating forward (R) or invert the position of (L), and by screw Knife cutter head 16 is pressed into the screw (that is, front end is sticked in by the screw of the state of the internal screw thread of fastening member) of initial configuration state Head, so that trigger rod 20 is placed in conducting in this state, so that controlling drive motor 32 makes 18 Xiang Youzheng of bit holder The direction for turning the selection of reversal switch 22 rotates.In addition, making drive motor 32 stop stopping by the way that trigger rod 20 to be turned off The only rotation of bit holder 18.But even if driving is being detected in the case where trigger rod 20 is maintained on state When circulation has overcurrent, rotating forward reversal switch 22 to be operated, persistently driven more than the defined maximum drive time in motor 32, It is judged as generation mistake, and stops drive motor 32 forcibly to stop the rotation of bit holder 18.In addition, by advising In the case that fixed simulation time fore trigger bar 22 is placed in disconnection, error signal is issued also to forcibly make to drive horse Stop up to 32.In the case where mistake has occurred, display corresponding with the mistake is shown in Seven pieces digital displaying portion.Mistake is not occurring When stopping drive motor 32 normally, it is judged as the formal fastening for having normally completed screw, count section 36 updates formal tight Solid screw quantity.
Under interim secured mode, by the way that trigger rod 20 is placed in conducting, drive motor 32 is controlled by control unit 30 For automatically inverted after, bit holder 18 the first rotation amount as defined in rotating forward it is smaller than the first rotation amount as defined in the second rotation Turn amount.The interim secured mode is more specifically further divided into two control models.One of them is torque control model (figure 3), under the torque control model, screw be located in by fastening member (that is, the head of screw is sticked in by fastening member) and Defined fastening torque is applied with to the screw after in place, to release the combination of clutch, and is sensed according to by clutch Device 34 detects the releasing and is judged as bit holder 18 and has rotated forward the first rotation amount.Another is time control model (figure 4), under the time control model, it is judged as bit holder 18 according to drive motor 32 is driven the stipulated time and rotates forward First rotation amount.Control unit 30 can optionally switch torque control model and time by switching mechanism (not shown) Control model, but also can only carry out torque control model and the control either under time control model.
As shown in figure 3, when trigger rod 20 is placed in connection (S10), leading under the torque control model of interim secured mode The driving that control unit 30 starts the forward rotation direction of drive motor 32 is crossed, so that bit holder 18 starts to rotate forward (S12).When in knife When trigger rod 20 is turned off during head retainer 18 rotates forward (S14), drive motor 32 tapers off (S16).Screw just Load torque is applied with to bit holder 18 when position, in the load torque as more than defined fastening torque clutch Combination release and by clutch sensor 34 detect the releasing of combination of clutch when, control unit makes bit holder 18 rotations the first rotation amount (S18).When the combination of clutch releases, control unit 30 makes the driving of drive motor 32 stop one It fixes time, such as 0.5 second (S20).At the end of the stopping of certain time, start the driving of the reverse directions of drive motor 32, To which bit holder 18 starts automatically to invert (S22).Control unit 30 is in the time point for having begun to pass through the stipulated time from reversion It is judged as that bit holder 18 has rotated the second rotation amount (S28).Before by the defined reverse drive time, for example, in spiral shell It follows closely due to load torque therefore nonreversible and being applied with specified value or more to bit holder 18 in the state that bites, so that from It closes the combination releasing of mechanism and clutch sensor 34 is when detecting the releasing (S24), issue error signal to stop driving Motor 32 (S26).When after starting reversion by the defined reverse drive time (S28), drive motor 32 stops, being accompanied by this The rotation driving of bit holder 18 also stops (S30).Screw floats specified amount from by fastening member as its head as a result, Interim tightening state.So, it fastens screw first and returns again to specified amount (the second rotation amount) afterwards, therefore can not be by screw The deviation of length, the initial configuration state of screw (front end of screw is made to be sticked in internal screw thread and carry out the shape before screw fastening State) deviation influence, become the state for making the head of multiple screws float substantially uniform amount.Interim in screw fastens just When often completing, count section 36 updates the radical (S32) of the screw temporarily fastened.In this embodiment, according to since reversion through It has spent the stipulated time and has been set as having inverted the second rotation amount, but the regulation rotation as the second rotation amount can also be preset Number, counts the regulation rotation number and is set as having inverted the second rotation amount.
As shown in figure 4, when trigger rod 20 is placed in conducting (S50), leading under the time control model of interim secured mode The driving of the forward rotation direction of the beginning drive motor 32 of control unit 30 is crossed to make bit holder 18 start to rotate forward (S52).It is pulling Before machine bar 20 is placed in after connection by defined forward drive time (first time), when trigger rod 20 is placed in disconnection (S56), drive motor 32 tapers off (S58).In addition, in imperfect wait of the formation due to internal screw thread and in the process of forward drive In the load torque of specified value or more is applied with to bit holder 18, and make clutch combination release and pass through clutch When sensor 34 detects the releasing (S60), error signal is issued, drive motor 32 stops (S62).Passing through defined rotating forward When driving time (first time) (S54), drive motor 32 is temporarily ceased, and standby 0.5 second (S64).At the end of standby, pass through Control unit starts the driving of the reverse directions of drive motor 32 to which bit holder 18 starts automatically to invert (S66).Anti- Turn to be applied with bit holder 18 load torque of specified value or more during driving, and releases the combination of clutch simultaneously And when detecting the releasing by clutch sensor 34 (S68), error signal is issued, drive motor 32 stops (S70).Starting By (S72) when the defined reverse drive time (the second time) shorter than being driven forward time (first time) after reversion, drive Dynamic motor 32 stops (S74).Reversion is smaller than the first rotation amount after first rotation amount as defined in rotating forward of bit holder 18 as a result, The second rotation amount, therefore screw becomes its head from the interim tightening state for being floated specified amount by fastening member.It is somebody's turn to do in selection In the case where time control model, is become in a manner of screw is not located in by the amount of fastening member by the first rotation amount and set rotating forward Driving time (first time).So, screw can be made not to be located in by fastening member and become interim tightening state, because Even if this for example use component as the internal tooth washer to relax can not be easy to carry out if fastening screw in the case where, Also screw can be made to become interim tightening state.In addition, by the way that the first rotation amount is set as the amount that screw will be in place, it can Whether it is properly formed in deeper location confirmation internal thread part.When the interim fastening of screw normally completes, count section 36 Update the quantity (S76) of the screw temporarily fastened.
When electric screw driver main body 10 is switched to infrared receiver mode, can be carried out with remote setting device 12 infrared Line communication, so as to carry out the driving speed of drive motor 32 by the remote setting device 12, be driven forward the time (when first Between) and be driven reverse time (the second time) setting change.In addition, by electric screw driver main body 10 switching based on set When mould-fixed, above-mentioned various settings change can be carried out by the operation display part 24 of electric screw driver main body 10.
In the case where screw fastens time measurement mode, by measuring needed for the screw for fastening actual use in manufacturing line Time, be able to carry out the setting of above-mentioned maximum drive time and simulation time.Specifically, being placed in by trigger rod 20 Time needed for measuring practical fastening screw automatically after conducting, if the measurement time than maximum drive time for having set greatly if Be updated to the time of the measurement, when if the time of the measurement is smaller than the simulation time by simulation the maximum drive time Between be updated to time of the measurement.By carrying out such operation to multiple screws, it can suitably be set in usually driving mould It is judged as the range for formally fastening the driving time normally completed under formula.
In the above-described embodiment, clutch and clutch sensor 34 is used to be applied to cutter head holding as detecting The torque detection means of the torque of device 18, but torque can also be measured by torque sensor or pass through measurement drive motor The electric current that circulates in 32 finds out torque.In addition, control unit 30 and count section 36 can also be configured at electric screw driver main body 10 outside is connect with electric screw driver main body 10 by wiring.In addition, remote setting device 12 by the light based on infrared ray without Line communication is communicated with the control unit 30 of electric screw driver main body 10, but the electromagnetic wave that other frequency bands also can be used carries out channel radio Letter.
In the above-described embodiment, it shows and uses electronic drive motor 32 as the driving rotation of bit holder 18 The electric screw driver of driving portion, but also can choose and use using compressed air as the spiral shell of the air type of the air motor of driving source Silk knife, is arranged the solenoid valve controlled the compressed air of supply to air motor, the solenoid valve is controlled by control unit. In addition, temporarily fastened, the object that formally fastens is not limited to the screw with cross bore, also can with hex bolts, Other screw connection members such as nut are object.At this point, matchingly with the screw connection member as object, will engage as screw connection member The driver bit 16 in portion is changed to other components such as socket wrench.Or the fixation of screw connection member holding section can also be made to be held in Tool body and can not dismantle.
Description of symbols
Electric screw driver 1;Electric screw driver main body 10;Remote setting device 12;Shell 14;Driver bit 16;Cutter head is protected Holder 18;Trigger rod 20;Rotate forward reversal switch 22;Operation display part 24;Main control unit 26;Motor control part 28;Control unit 30; Drive motor 32;Clutch sensor 34;Count section 36;Infrared receiver portion 38;LED display unit 40;Seven pieces digital displaying portion 42;Operation Button 44;Infrared ray transmission unit 46;Button-operating portion 48;Liquid crystal display part 50;Control unit 52.

Claims (7)

1. a kind of screw connection member fastening tool has the function of temporarily fastening screw connection member, wherein
The screw connection member fastening tool has:
Driving portion drives the screw connection member holding section rotation engaged with the screw connection member;And
Control unit controls the driving of the driving portion,
The control unit controls the driving portion, automatically inverts ratio after so that the screw connection member holding section is rotated forward the first rotation amount The second small rotation amount of first rotation amount,
The control unit can select time control model and torque control model,
Under time control model, the rotation of the screw connection member holding section is controlled by controlling the driving time of the driving portion Turn amount, makes the screw connection member holding section rotate forward first rotation at the first time by being driven forward the driving portion Amount, by making driving portion second time of reverse drive that the screw connection member holding section be made to invert second rotation amount, The first time is set to first rotation amount and is not located in as the screw connection member by the amount of fastening member,
Under torque control model, first rotation amount is set as the screw connection member and is rotated to being located in by after fastening member Further by the amount until the fastening of defined fastening torque, by making the screw connection member holding section rotate first rotation amount And make the screw connection member be located in it is described by fastening member and to the screw connection member after in place apply as defined in fastening turn Then square makes the screw connection member holding section automatically invert second rotation amount.
2. screw connection member fastening tool according to claim 1, wherein
The screw connection member fastening tool is also equipped with torque detection means, which detects to the screw connection member card Conjunction portion is applied with the case where load torque of specified value or more,
During controlling the driving portion so that the screw connection member holding section rotates forward first rotation amount, by described When torque detection means detect the load torque of the specified value or more, the control unit stops the driving portion.
3. screw connection member fastening tool according to claim 1, wherein
The screw connection member fastening tool is also equipped with:
Clutch links the driving portion and screw connection member holding section driving, and to the screw connection member card Conjunction portion be applied with it is described as defined in more than fastening torque torque when, release the driving portion and the screw connection member holding section it Between driving connection;And
Clutch sensor detects the releasing for the driving connection that the clutch carries out,
When the clutch sensor detects the releasing of the driving connection, the control unit is judged as the screw connection member card Conjunction portion has rotated forward first rotation amount.
4. screw connection member fastening tool according to claim 3, wherein
The control unit is judged as that the screw connection member holding section is rotated by certain time according to after starting the reversion Second rotation amount.
5. screw connection member fastening tool according to any one of claim 1 to 4, wherein
The screw connection member fastening tool is also equipped with count section, which rotates forward described first in the screw connection member holding section When rotation amount automatically inverts second rotation amount then, it is set as once normally temporarily fasten and counted.
6. screw connection member fastening tool according to any one of claim 1 to 4, wherein
The screw connection member fastening tool is also equipped with remote setting device, and the remote setting device and the control unit carry out channel radio Letter changes the setting value of first rotation amount and second rotation amount.
7. screw connection member fastening tool according to claim 5, wherein
The screw connection member fastening tool is also equipped with remote setting device, and the remote setting device and the control unit carry out channel radio Letter changes the setting value of first rotation amount and second rotation amount.
CN201680018648.9A 2015-03-27 2016-03-25 Screw connection member fastening tool Active CN107405760B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2015-066621 2015-03-27
JP2015066621A JP6482351B2 (en) 2015-03-27 2015-03-27 Screwing member tightening tool
PCT/JP2016/059537 WO2016158712A1 (en) 2015-03-27 2016-03-25 Fastening tool for screw-coupling member

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CN107405760A CN107405760A (en) 2017-11-28
CN107405760B true CN107405760B (en) 2019-07-05

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EP (1) EP3275596B1 (en)
JP (1) JP6482351B2 (en)
KR (1) KR102006094B1 (en)
CN (1) CN107405760B (en)
TW (1) TWI597134B (en)
WO (1) WO2016158712A1 (en)

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CN108107933B (en) * 2017-12-13 2020-06-19 北京小米移动软件有限公司 Screwdriver control method and device
US11920695B2 (en) 2020-02-14 2024-03-05 Illinois Tool Works, Inc. Portable valve operating machine for use in exercising valves having a torque management system
US11326706B2 (en) 2020-02-14 2022-05-10 Illinois Tool Works Inc. Portable valve operating machine for use in exercising valves
US20210254746A1 (en) * 2020-02-14 2021-08-19 Illinois Tool Works Inc. Portable valve operating device for use in exercising valves

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TWI597134B (en) 2017-09-01
KR102006094B1 (en) 2019-07-31

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