CN108581969A

CN108581969A - Electric tool

Info

Publication number: CN108581969A
Application number: CN201810398938.1A
Authority: CN
Inventors: 刘金保
Original assignee: Xuzhou Guang Sen Electrical Tools Co Ltd
Current assignee: Xuzhou Guang Sen Electrical Tools Co Ltd
Priority date: 2018-04-27
Filing date: 2018-04-27
Publication date: 2018-09-28

Abstract

Tool unit (1) of the one kind for electric tool (2) includes shell (3), tool (4) or tool holder (5), for be fastened to electric tool (2) base unit (7) and for accommodate base unit (7) driving structure (8) mechanical interface (6), switching mechanism (9) for the typical motion that the rotation of the driving structure (8) of base unit (7) is mechanically converted into the tool unit (1), it is characterized in that, communication device (10) of the tool unit (1) with the data being used for transmission contained by tool unit (1) to base unit (7) communication device (11) and with band for the data of the transmission or the data storage (12) of program；Or a memory is assigned to tool unit (1), the data or program for operating the tool unit (1) are stored in the memory.

Description

Electric tool

Technical field

The present invention relates to the tool units, electronic according to independent claims preamble of the present invention for electric tool Tool.

Background technology

It is known in the art have identification accessory and correspondingly from memory read operation parameter or with accessory direct communication And from the electric tool of fitment receiver operating parameter.

International Publication No. WO2006104929A2 discloses a kind of electric tool, by means of reading system identification institute The accessory of attachment, such as drill bit, screwdriver, saw blade or grinding wheel, and with reference to the corresponding behaviour of list setting stored in electric tool Make parameter.

A kind of electric tool is disclosed in International Publication No. WO03054825A2, differentiates and identification facility is attached Part.By means of the identification, attachment is operated under corresponding operating parameter.

International Publication No. WO2006066259A2 describes a kind of matching for the electric tool containing communication unit Part, especially saw blade, drill bit, the saw blade of vibrating saw, impact drill, grinding wheel or hole saw.The communication unit can be with electric tool Data are exchanged with storage system.

All these schemes shown in the prior art require accessories identified and require the operating parameter of accessory from The memory of electric tool is retrieved.Therefore, each accessory of system requirements will be identified and is stored in its corresponding data in advance In electric tool..

Invention content

Therefore, the task of the present invention is overcome the prior art.It is provided in particular in the flexible of electric tool and accessory System, to which new, unknown before accessory can be attached on electric tool and can be operated with its best operating parameter.

The task of the present invention is realized by device defined by independent claims.Then describe in the dependent claims Further embodiment.

In the following description, tool is the device for referring to directly execute expected work.It is proposed by taking casing knife as an example.Phase Than under, tool holder refers to accommodate the device for the tool such as drill bit for executing operation.Therefore, drill head is by herein The understanding of specification is a kind of tool holder.Surface of shell rust prevention by applying liquid material agent contains Mg in terms of quality %：0.01~30%, Its surplus is made of Zn and inevitable impurity, the cracking for being 0.01 μm or more with physical breakdown face, and/or length Or the cracking that depth is 0.01 μm or more, average grain diameter are 0.05~200 μm, the asperratio of maximum diameter and most path is (most Major diameter/most path) average value be 1~1.5, above-mentioned Zn alloy particles also contain Al in terms of quality %：0.01~30% He Si：One or both of 0.01~3%, have on the surface of above-mentioned Zn alloy particles and changes between Mg solid solution phases and Zn-Mg metals Object is closed, the shape of above-mentioned Zn alloy particles is non-spherical polyhedron, and with face number more than two sides, application thickness is 2~700 μ M, Zn alloy particle or Zn alloy particles and Zn metallics are scattered in film, and described further includes adhesive, and viscosity is in 5- 100 pools.

Tool unit according to the present invention for electric tool includes shell, tool or tool holder, for being fastened to The mechanical interface and machinery conversion mechanism of the base unit of electric tool.In addition, tool unit, which has, is used for transmission signal to electricity The communication device of the communication device of the base unit of power driven tools and data storage containing the data or program that are used for transmission. In this paper specifications, data refer to the data on total meaning, refer in particular to code, operating parameter, program data, computer journey Sequence, agenda, identification data etc..

Mechanical interface is applied not only to for tool unit to be fastened to the base unit of electric tool, is also a housing for the pedestal list Member driving mechanism, to can make tool or tool holder movement.

Switching mechanism is used to a kind of movement rotary motion of base unit is mechanically especially converted into tooling order The typical motion of member.The switching mechanism used is, for example, gear assembly.

Data storage can design in a variety of forms, be specifically configured to physical storage, such as plane is raised or recessed； Or optical memory, such as bar code；Or electronic memory, such as read-only memory (ROM), programmable read only memory (PROM), Erarable Programmable Read only Memory (EPROM), random access memory (RAM) or flash memory.

Data transmission to produce new opplication still unknown when electric tool.For example, it is desired to new operating parameter New tool unit can be attached to existing base unit.By the data transmitted, base unit can be with not known Mode is operated.

It is also contemplated that the external data memory distributed to tool unit and delivered together with tool unit, such as USB mass storage devices.After tool unit is already connected to base unit, by the way that USB mass storage devices are connected to Base unit and transmit data.The memory of other forms is also to be contemplated that.

Communication device may include by radio or radio-frequency technique especially RFID (radio frequency identification), Zigbee, bluetooth, The transmitter and connect that NFC (wireless near field communication), Wi-Fi, Wibree (low-power consumption bluetooth) or Z-Wave carry out data transmission Receive device.But other types of transmission be also it is contemplated that, such as connect by mechanical scan to structural plan, by electricity Tactile or optical mode.Data can also pass through ultrasound or the secondary sound transmission.

Communication device may be positioned such that two-way and/or one-way data transfer.Therefore, not only so that data are passed from tool unit It is defeated to be possibly realized to base unit, it can also be transmitted in turn.

Communication device designs in this way, i.e., other than data transmission, also so that from base unit to tooling order The energy transmission of member is possibly realized.The energy transmission is preferably wireless energy transfer, such as inductively or wireless resonance energy Amount link (WREL).And hence it is also possible to there is the actuator for running the such as locked tool unit in error in tool unit.Energy Amount transmission, which can also be, independently to be realized.That is mutually independent with communication device.

Data storage may include the operating parameter of tool unit or whole program, especially with torque capacity and optimal The details of the details of velocity correlation and/or for identification tool unit.It can also contain in data storage substituting or additional Data..

Description of the drawings

Fig. 1 shows the tool unit with the tool in crimping tool form；

Fig. 2 shows have in drill head form tool holder tool unit；

Fig. 3 shows the electric tool for the tool unit for having according to Fig. 1.

Specific implementation mode

There is shell 3, for tool unit 1 to be connected to the base unit 7 for being suitble to installing according to the tool unit 1 of Fig. 1 The mechanical interface 6 of (see Fig. 3) and far from 6 side of the mechanical interface in crimping tool form for pipe fitting crimping Tool 4.Tool unit 1 is connected to base unit 7 in known manner and accommodates base in known manner simultaneously by mechanical interface 6 The driven shaft 8 of seat unit 7 (see Fig. 3).The movement of the driven shaft 8 of base unit 7 is especially turned in addition, tool unit 1 has Turn changes the switching mechanism of the typical motion of tool unit 1 into.In the shown embodiment, by the driving of the motor of base unit 7 The rotation of driven shaft 8 must be converted into the clamping movement of the clamp of tool 4.This is usually accomplished by circulation ball-screw.This Field technology personnel it is known that a variety of other possibilities, such as by means of corresponding gear assembly or worm-drive and lever Combination, there is no need to do further carefully to state herein.Surface of shell rust prevention by applying liquid material agent contains Mg in terms of quality %：0.01~ 30%, surplus is made of Zn and inevitable impurity, and it is 0.01 μm or more to have physical breakdown face, and/or length Cracking or depth be 0.01 μm or more of cracking, average grain diameter is 0.05~200 μm, the size in length and breadth of maximum diameter and most path Average value than (maximum diameter/most path) is 1~1.5, and above-mentioned Zn alloy particles also contain Al in terms of quality %：0.01~ 30% and Si：One or both of 0.01~3%, there is Mg solid solution phases and Zn-Mg gold on the surface of above-mentioned Zn alloy particles The shape of compound between category, above-mentioned Zn alloy particles is non-spherical polyhedron, and with face number more than two sides, application thickness is 2 ~700 μm, Zn alloy particles or Zn alloy particles and Zn metallics are scattered in film, and described further includes adhesive, viscosity It is moored in 5-100.

In addition, tool unit 1 has communication device 10 in the inside of shell 3, data is enable to be transferred to pedestal list The corresponding communications device 11 of member 7 (see Fig. 3).Usually using the RFID or bluetooth for carrying corresponding transponder and reader.Equally It is contemplated that other communication devices 10.The communication device 10 can be designed for one-way communication, to which data can be only from work Tool unit 1 is transferred to base unit.Alternatively, the communication device 10 for two-way communication is also to be contemplated that, the communication Device 10 also allows the data transmission from base unit to tool unit.

Tool unit 1 shown in addition, has non-volatile data memory 12, such as EEPROM, in addition to for identification Except the data of tool unit 1, also Optimum Operation data and program data containing tool unit 1.These data are, for example, The optimized rotating speed of driven shaft, torque capacity and with the relevant data of motion sequence.Program data is with assembly code or form of firmware Storage.Data storage 12 is connected to communication device 10, to which communication device 10 can access and transmit data therein.It is logical The controller that operation data is transferred to base unit is crossed, the driven shaft of base unit can be with such formal operations, to work Tool unit 1 can operate in optimal opereating specification without being interfered by user.User can be by depressing on base unit Switch start the motion sequence of tool unit 1.For example, the controller of base unit transmits the control letter of the circle of forward 20 first Number arrive motor.20 circle of the idler spindle of base unit is received by the switching mechanism 9 of tool unit 1, and passes through cycle Ball-screw is converted into the closing motion of the clamp of tool 4.Then the position is kept 2 seconds, controller, which is sent, later turns round 20 The control signal of circle is to motor and so that clamp turns again to its initial position, and motion sequence is completed.

In addition, tool unit 1 is equipped with sensor 13, the temperature sensor of the temperature of gear assembly is e.g. detected. The sensor 13 is connected similarly to communication device 10, passes when can be continuously or more than given value to the value that is determined by sensor 13 The defeated controller to base unit.In addition to temperature sensor, other sensors 13 are also to be contemplated that；For bead tool, Its pay close attention to ensure be closed contact, with ensure the clamp of tool 4 fully complete crimping movement and thereby ensure crimp quality.It is based on These data, controller (if you need to) can interrupt and/or change motion sequence.

Such as pressure sensor of sensor 14 or non-contact inductive sensor for detecting failure are similarly positioned in tool In the shell 3 of unit 1.The sensor 14 detection may betide the failure in tool unit 1 in operation.These failures Such as it is stuck in its bearing including mandrel, overheat or overload.

In the electric tool 2 with shown in, in the tool unit 1 of crimping tool form, switch 17 is used for (see Fig. 3) Activate the sequence of operation.The sequence of operation is stored in the form of program data in the data storage 12 of tool unit 1.Program data Such as including command sequence " forward 20 is enclosed, 20 circle of revolution ", correspond to the closure and opening of the clamp of crimping tool.In addition, Data storage 12 can contain operation data, such as " maximum allowable chucking power " and " driven axle speed ".Other data are same It is also to be contemplated that.Controller 15 handles these data and once by start, the controller will control signal to switch 17 accordingly It is transferred to motor 16 (see Fig. 3).After the activation, agenda comes into force in the case where no user further intervenes.Control Device 15 has memory, and the data read by tool unit 1 are temporarily stored.

Tool unit 1 with the tool holder 5 in drill head form is shown in FIG. 2.Its construct substantially with Fig. 1 Tool unit it is identical.Therefore, tool unit 1 is also properly seated with shell 3 and for tool unit 1 to be connected to The mechanical interface 6 of base unit 7.And one far from mechanical interface 6 is shown located in the tool holder 5 of drill head form Side.Switching mechanism 9 is the fixation gear assembly for having uniform transmission ratio, and transmits the speed of driven shaft.The transmission or (such as low speed rotor) that conversion can be designed to be (such as the high speed rotor) of speedup or slow down.

For drill head, switch 17 (see Fig. 3) for example for by the speed control of motor by communication device 10,11 Out of, data storage 12 is transferred to controller 15 operating parameter.Thus, for example no more than maximum speed or torque capacity.

These components such as communication device 10, data storage 12, sensor 13 and mechanism 14 for detecting failure is same Sample is contained in the shell 3 according to Fig. 1.Their functions need not be further explained.

The fully synchronized drill head for rotating and being simply supported on the axis 8 of base unit 7 is also to be contemplated that.In this way The rotation of drill head clamped drill bit is transmitted to from the driven shaft 8 of base unit 7 with 1: 1 ratio.Such drill bit Chuck only needs to be resolved out, this for example makes it possible no communication device and/or data storage.Because being passed without data It is defeated to arrive base unit 7, it is unrecognizable through being distinguished as to the base unit of the drill bit chuck.To which speed is only by suitably The switch 17 of base unit is depressed to control.

Fig. 3 shows that the electric tool 2 with the tool unit 1 according to Fig. 1, the tool unit 1 are connected to base unit 7.Interaction between driven shaft 8 and switching mechanism 9 is high-visible.Base unit 7 has to be connected directly or by transmission device It is connected to the motor 16 of driven shaft 8.Motor 16 is brshless DC motor, but can also use other motors.It is connected to for controlling The controller 15 of motor 16, base unit 7 communication device 11 is communicated with the communication device 10 of tool unit 1, and thus from Data storage 12 receives data.These data including the operation data of tool unit 1 are handled in controller 15. Controller 15 has being capable of the memory of data that is read by tool unit 1 of interim storage.Switch 17 allows users to activation pair Should be in the function of tool unit 1, and the switch 17 is connected similarly to controller 15.In this case, according to the position of switch 17 It sets or according to the pressure being applied on switch 17, signal can be transmitted controller 15.Controller 15 is by the signal and by tool The data that the data storage 12 of unit 1 transmits are combined and activate the movement of corresponding motor 16.

Claims

1. the tool unit (1) that one kind being used for electric tool (2) includes shell (3), tool (4) or tool holder (5), for tight Be affixed to the base unit (7) of electric tool (2) and driving structure (8) for accommodating base unit (7) mechanical interface (6), it is used to mechanically be converted into the rotation of the driving structure (8) of base unit (7) typical case of the tool unit (1) The switching mechanism (9) of movement, which is characterized in that tool unit (1) is with the data being used for transmission contained by tool unit (1) to base Seat unit (7) communication device (11) communication device (10) and with band for the transmission the data or program data Memory (12)；Or a memory is assigned to tool unit (1), data for operating the tool unit (1) or Program is stored in the memory；

Surface of shell rust prevention by applying liquid material agent contains Mg in terms of quality %：0.01~30%, surplus is by Zn and unavoidably Impurity constitute, with physical breakdown face, and/or length be 0.01 μm or more cracking or depth be 0.01 μm or more tortoise It splits, average grain diameter is 0.05~200 μm, and the average value of maximum diameter and the asperratio (maximum diameter/most path) of most path is 1 ~1.5, above-mentioned Zn alloy particles also contain Al in terms of quality %：0.01~30% and Si：One kind in 0.01~3% or two Kind, there is Mg solid solution phases and Zn-Mg intermetallic compounds, the shape of above-mentioned Zn alloy particles on the surface of above-mentioned Zn alloy particles For non-spherical polyhedron, with face number more than two sides, application thickness is 2~700 μm, Zn alloy particles or Zn alloy particles It is scattered in film with Zn metallics, described further includes adhesive, and viscosity is moored in 5-100.

2. tool unit (1) according to claim 1, which is characterized in that the communication device (10,11) includes into line number According to the transmitter and receiver of transmission, especially by radio-frequency technique such as radio frequency identification, Zigbee, bluetooth, near radio Communication, WiFi, low-power consumption bluetooth or Z-Wave.

3. tool unit (1) according to claim 1 or 2, which is characterized in that the communication device (10,11) is positioned to Bidirectional data transfers.

4. tool unit (1) according to claim 3, which is characterized in that the communication device designs in this way, Make it possible energy transmission.

5. tool unit (1) according to any one of claim 1 to 4, which is characterized in that data storage (12) accommodates Have the operating parameter of tool unit (1) or a whole program, especially with torque capacity and the relevant details of optimal velocity and/or use In the details of identification facility unit.

6. tool unit (1) according to any one of claim 1 to 5, which is characterized in that tool unit (1) packet Data storage (12) is included, containing being useful for controlling the order of operation of tool unit into row order in data storage (12) Program data.

7. tool unit (1) according to any one of claim 1 to 6, which is characterized in that tool unit (1) includes to use In measure operating value at least one sensor (13), and the operating value of the sensor (13) can by communication device (10, 11) it is transferred to base unit.