WO2022012584A1 - 一种手持式电动螺丝刀系统 - Google Patents

一种手持式电动螺丝刀系统 Download PDF

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Publication number
WO2022012584A1
WO2022012584A1 PCT/CN2021/106223 CN2021106223W WO2022012584A1 WO 2022012584 A1 WO2022012584 A1 WO 2022012584A1 CN 2021106223 W CN2021106223 W CN 2021106223W WO 2022012584 A1 WO2022012584 A1 WO 2022012584A1
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WIPO (PCT)
Prior art keywords
batch rod
rod sleeve
transmission
sleeve
power supply
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PCT/CN2021/106223
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English (en)
French (fr)
Inventor
牟晓
Original Assignee
喜田（宁波）精机制造有限公司
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Publication date
Priority claimed from CN202010681676.7A external-priority patent/CN111805468A/zh
Application filed by 喜田（宁波）精机制造有限公司 filed Critical 喜田（宁波）精机制造有限公司
Priority to DE212021000369.9U priority Critical patent/DE212021000369U1/de
Publication of WO2022012584A1 publication Critical patent/WO2022012584A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for

Definitions

  • the invention relates to the technical field of automated intelligent processing, in particular to a hand-held electric screwdriver for tightening screws and a system using the electric screwdriver.
  • a screwdriver driven by a motor is assembled on the mechanical arm to automatically lock the screws that need to be tightened at a high speed.
  • This kind of screwdriver is installed on a movable mechanical arm, driven by the mechanical arm as a whole, and then positioned at a predetermined station for processing and tightening. It is generally called an airborne screwdriver in the industry. , but a screwdriver that is held and moved by a person is called a hand-held electric screwdriver. This screwdriver has both flexibility, accuracy and efficiency.
  • the motor drives the bit to rotate, and completes the work from rotating the screw to tightening at high speed. It is widely used in products with more complex and changeable workstations, and products with high precision and process requirements.
  • the current hand-held screwdriver is just a simple motor-driven rotating tool. It is not equipped with a micro-control unit MCU/PLC, etc., and cannot perform functions such as torque recording, comparison, error correction, and query, and cannot back up data. There is also no way to retain data for recall.
  • the present invention proposes a hand-held electric screwdriver system with simple structure, good reliability, low failure rate, long service life, greatly reducing the axial load on the reducer/motor, and reducing the impact.
  • the system is equipped with a servo
  • the driver, electric screwdriver and micro-control unit are equipped with an intelligent management system while improving efficiency, reliability and practical performance, and extending the service life of the screwdriver as a whole. Saving, backup and transmission greatly improves the potential and possibility of intelligent and numerical control of the overall system.
  • the hand-held electric screwdriver system involved in the present invention comprises a screwdriver body, a servo driver, a power supply module and a micro-control unit MCU, wherein the power supply module includes a switching power supply and a driving power supply, the switching power supply supplies power for the micro-controlling unit MCU, and the driving power supply is
  • the servo driver is powered, the MCU controls the servo driver, the servo driver drives the screwdriver body, and the screwdriver body is equipped with a servo motor drive.
  • the micro control unit MCU includes a communication interface, and the communication interface includes rs232, rs485, RJ45, IO input port and IO output port.
  • the hand-held screwdriver system also includes an external device connected through the bus, the external device includes a man-machine interface and a code scanning device, the external device is connected to the microcontroller unit MCU through the rs232 and rs485 bus, and the man-machine interface includes an LCD display screen, a touch screen , physical buttons, LED indicators, and exchange information with the microcontroller MCU through the bus and communication interface for control and display.
  • the external device includes a man-machine interface and a code scanning device
  • the external device is connected to the microcontroller unit MCU through the rs232 and rs485 bus
  • the man-machine interface includes an LCD display screen, a touch screen , physical buttons, LED indicators, and exchange information with the microcontroller MCU through the bus and communication interface for control and display.
  • the specific information is bound to the number and stored by scanning the workpiece number of the device.
  • the system also includes a single-chip PLC and a PC background.
  • the single-chip PLC is connected to the micro-control unit MCU through the bus, and the single-chip PLC controls the screw feeding system.
  • the single-chip PLC uploads the data to the PC background, and the PC background is connected to the PC through Ethernet. cloud.
  • the PC background can be connected to the mass system, cloud and other locations through the firewall.
  • the switching power supply outputs DC12V, DC5V, and DC3.3V three outputs, of which 3.3V is the power supply for the microcontroller unit MCU, and the man-machine interface, such as hand-held scanning code, etc., is connected to the screwdriver device through the rs232 and rs485 bus, and the device is set and read. After the parameter scanning device and the screwdriver device are connected, the specific information is bound to the number and stored through the workpiece number of the scanning device.
  • the electric screwdriver body includes a casing, a servo motor, a planetary reducer, a transmission component, a connecting piece and a front-end sleeve, and is characterized in that a planetary reducer is added between the servo motor and the transmission component, and the planetary reducer passes through the transmission component.
  • the connecting piece, the outer shell and the front end sleeve are installed outside, and various specifications of batch rods are assembled on the connecting piece;
  • the servo motor is matched with the planetary reducer through the gear sleeve, the transmission part is the transmission pin and the connecting piece is the batch rod sleeve , the rotating shaft of the planetary reducer is snapped into the batch rod sleeve through the transmission pin, and the rear end of the batch rod sleeve is assembled with the transmission pin, the front end is used to fix the batch rod, and a bearing is sleeved outside the batch rod sleeve.
  • the transmission component and the connecting piece are composed of a transmission flat pin and a hexagonal batch rod sleeve, as well as a transmission long pin and a tail missing batch rod sleeve.
  • the rotating shaft is snapped and assembled into the hexagonal batch rod sleeve through the transmission flat pin, and the rear end of the hexagonal batch rod sleeve is assembled with the transmission flat pin, and the front end is used to fix the batch rod.
  • the rotating shaft is assembled into the tail missing batch rod sleeve through the transmission long pin, and the shaft of the transmission long pin is driven and assembled to the rear end of the tail missing batch rod sleeve,
  • the front end of the missing tail batch rod sleeve is provided with a tail missing driving block, and the end of the batch rod is assembled into the missing tail batch rod sleeve by cooperating with the missing tail driving block.
  • a motor mount is also arranged between the servo motor and the planetary reducer, and a pinion sleeve is arranged between the motor mount and the planetary reducer.
  • the rotating shaft of the planetary reducer is directly sleeved into the transmission flat pin, and a reducer installation ring is sleeved outside the connecting part of the planetary reducer and the transmission flat pin.
  • the transmission flat pin is directly clamped into the rear flat groove of the hexagonal batch rod sleeve, and a deep groove ball bearing and a spacer ring are sleeved outside the hexagonal batch rod sleeve, and the end face of the deep groove ball bearing is against the spacer ring.
  • the other end face of the spacer abuts on the reducer mounting ring.
  • the installation ring of the reducer is provided with a concave groove on the side facing the spacer ring, and part of the spacer ring is contained to provide axial support.
  • the deep groove ball bearing and the hexagonal batch rod sleeve are axially positioned and clamped by the circlip.
  • the outer wall of the hexagonal batch rod sleeve is provided with a circlip groove, a part of the circlip is inserted into the groove, and the other part is pressed against the front end surface of the deep groove ball bearing.
  • the hexagonal batch rod sleeve is covered with a front-end sleeve, and a disassembly sleeve is also arranged between the hexagonal batch rod sleeve and the front-end sleeve.
  • the front end of the disassembly sleeve is clamped into the compression spring by the retaining ring.
  • a threaded protection sleeve is also installed outside the front end sleeve. There are aviation joints and hooks at the back of the shell, which are easy to hold and connect to the circuit.
  • the shell is provided with a start switch and a positive and negative switch button.
  • the start switch is electrically connected to the start switch circuit board, and the positive and negative switch buttons are electrically connected to the positive and negative switch circuit board.
  • the hand-held electric screwdriver system involved in the present invention is equipped with a micro-control unit, which controls the servo driver through the micro-control unit, and the servo driver drives the servo motor in the screwdriver body to complete the locking action; and the micro-control unit is networked through various data interfaces Saving, backing up and transferring the settings and parameters of the screwdriver locking and paying process can realize intelligent and numerically controlled operations such as remote management and data analysis, which improves the applicable scope of the overall system and the possibility of digital development.
  • the 40W servo motor is used as the drive to avoid the problem of poor reliability of the brushed motor, high failure rate and short service life, and a reducer is added between the servo motor and the transmission components.
  • the reducer can reduce the speed and multiply the torque.
  • the reverse impact force generates axial force on the reducer and the servo motor.
  • the transmission flat pin and the hexagonal batch rod sleeve are used, and the deep groove ball bearing is installed on the batch rod sleeve, so that the shaft only transmits the torque, and the axial direction
  • the impact force is transferred to the deep groove ball bearing to avoid the damage of the reducer/servo motor caused by the axial impact force and prolong the service life.
  • Fig. 1 is the system frame diagram of the hand-held electric screwdriver system involved in the present invention
  • Fig. 2 is the topology diagram of the hand-held electric screwdriver system involved in the present invention
  • Embodiment 3 is an exploded structural view of Embodiment 1 of a handheld electric screwdriver of the present invention.
  • Embodiment 4 is a partial cross-sectional view of the assembled state of Embodiment 1 of a handheld electric screwdriver of the present invention
  • Embodiment 1 of a handheld electric screwdriver of the present invention
  • Embodiment 6 is a partial assembly structure diagram of Embodiment 2 of a handheld electric screwdriver of the present invention.
  • Embodiment 1 Please refer to Figure 1 and Figure 2, which shows a hand-held electric screwdriver system in the form of a system frame diagram and a topology diagram.
  • the system includes a screwdriver body, a servo driver, a power module and a micro-control unit.
  • MCU in which the power module includes a switching power supply and a driving power supply.
  • the switching power supply supplies power to the micro-control unit MCU, and the driving power supply supplies power to the servo driver.
  • the MCU controls the servo driver, and the servo driver drives the screwdriver body.
  • the screwdriver body is equipped with a servo motor driver.
  • the micro control unit MCU includes a communication interface, and the communication interface includes rs232, rs485, RJ45, IO input port and IO output port.
  • the hand-held screwdriver system also includes an external device connected through the bus, the external device includes a man-machine interface and a code scanning device, the external device is connected to the microcontroller unit MCU through the rs232 and rs485 bus, and the man-machine interface includes an LCD display screen, a touch screen , physical buttons, LED indicators, and exchange information with the microcontroller MCU through the bus and communication interface for control and display.
  • the external device includes a man-machine interface and a code scanning device
  • the external device is connected to the microcontroller unit MCU through the rs232 and rs485 bus
  • the man-machine interface includes an LCD display screen, a touch screen , physical buttons, LED indicators, and exchange information with the microcontroller MCU through the bus and communication interface for control and display.
  • the specific information is bound to the number and stored by scanning the workpiece number of the device.
  • the system also includes a single-chip PLC and a PC background.
  • the single-chip PLC is connected to the micro-control unit MCU through the bus, and the single-chip PLC controls the screw feeding system.
  • the single-chip PLC uploads the data to the PC background, and the PC background is connected to the PC through Ethernet. cloud.
  • the PC background can be connected to the mass system, cloud and other locations through the firewall.
  • the switching power supply outputs three outputs: DC12V, DC5V, and DC3.3V, of which 3.3V is the power supply for the microcontroller unit MCU.
  • the man-machine interface such as hand-held scanning code, etc., is connected to the screwdriver system through the rs232 and rs485 bus to set and read the running status of the device. parameter. After the scanning device and the screwdriver device are connected, the specific information is bound to the number and stored through the workpiece number of the scanning device.
  • FIG. 3 shows an exploded view of the actual structure of the screwdriver body, including the casing 10, the servo motor 20, the planetary reducer 30, the transmission parts, the connecting piece and the front end casing 60, which is characterized in that, in the servo motor A planetary reducer 30 is added between the 20 and the transmission component, the planetary reducer 30 drives the connecting piece through the transmission component, the transmission component is a transmission flat pin, and the connecting piece is a hexagonal batch rod sleeve 50, a deep groove ball bearing 80 and a spacer 90.
  • the outer casing 10 and the front end sleeve 60 are installed outside, the outer casing 10 wraps the important components such as the servo motor 20 and the planetary reducer 30 inside, and the front end sleeve 60 is mainly placed in front of the hexagonal batch rod sleeve 50, and the front end is also Reserve a hole for inserting the batch rod 70.
  • the servo motor 20 is matched with the planetary reducer 30 through the pinion sleeve 31, the transmission component is the transmission flat pin 40, and the connector It refers to the hexagonal batch rod sleeve 50 and other components.
  • the rotating shaft part of the planetary reducer 30 is inserted into the hexagonal batch rod sleeve through the transmission flat pin 40.
  • the rear end of the hexagonal batch rod sleeve is assembled with the transmission flat pin, and the front end is used to fix the batch.
  • the rod is provided with a bearing on the outer sleeve of the hexagonal batch rod sleeve 50 .
  • the rotating shaft of the planetary reducer 30 is locked into the transmission flat pin 40 by the machine screw, so as to realize the locking assembly of the rotating shaft and the transmission flat pin 40 .
  • a motor mounting seat 21 is also arranged between the servo motor 20 and the planetary reducer 30.
  • the motor mounting seat is mounted on the servo motor by screws, and a pinion sleeve 31 is arranged between the motor mounting seat 21 and the planetary reducer.
  • the rotating shaft of the planetary reducer 30 is directly sleeved into the transmission flat pin 40 , and a reducer mounting ring 32 is sleeved outside the connecting part of the planetary reducer 30 and the transmission flat pin 40 , and the reducer mounting ring 32 is mounted on the planetary reducer 30 by screws. and its end face abuts on the casing 10; and the transmission flat pin 40 is directly clipped into the rear end flat groove of the hexagonal batch rod sleeve 50, and a deep groove ball bearing 51 and a spacer are sleeved outside the hexagonal batch rod sleeve 50. Ring 52 , the end face of the deep groove ball bearing 51 abuts against the spacer ring 52 , and the other end face of the spacer ring 52 abuts on the reducer mounting ring 32 .
  • the rotating shaft of the planetary reducer 30 is directly inserted into the transmission flat pin 40, and the transmission flat pin 40 is inserted into the flat groove at the rear end of the hexagonal batch rod sleeve 50, and only the torque is transmitted from the hexagonal batch rod sleeve to the flat pin 40 without bearing the axial direction.
  • the axial impact force is borne by the deep groove ball bearing 51 on the hexagonal batch rod sleeve 50, and the deep groove ball bearing 51 is tightly against the spacer 52, and the spacer 52 is stuck on the reducer mounting ring 32. It bears the axial impact and transmits it to the outer shell layer by layer, avoiding the problem of transmitting the impact force to the internal power parts.
  • the speed reducer mounting ring 32 is provided with an indented groove on the side facing the spacer 52 to accommodate part of the spacer and provide axial support.
  • the end face of the spacer facing the direction of the reducer can be pressed against the inner groove of the reducer mounting ring.
  • the reducer mounting ring 32 encloses the spacer ring 52 in it, and then is encased by the front end sleeve from front to rear, and the overall internal components are encased.
  • the deep groove ball bearing 51 and the hexagonal batch rod sleeve 50 are axially positioned and clamped by the retaining spring 53 .
  • the outer wall of the hexagonal batch rod sleeve 50 is provided with a circlip groove 54, a part of the circlip is clamped into the circlip groove 54, and the other part is pressed against the front end surface of the deep groove ball bearing.
  • the hexagonal batch rod sleeve 50 is subjected to a backward impact force along with the batch rod, it will directly push to the deep groove ball bearing 51 through the retaining spring 53 .
  • the hexagonal batch rod sleeve 50 is covered with a front end casing 60, and between the hexagonal batch rod sleeve 50 and the front end casing 60, there is also a disassembly and assembly sleeve 80.
  • the front end of the disassembly sleeve 80 is blocked by a retaining ring 82 and an earless retaining ring 83.
  • For the snap-in compression spring 81 there is a snap-in groove between the inner wall of the dismounting sleeve 80 and the hexagonal batch rod sleeve 50, and the compression spring 81 is snapped into the snap-in groove.
  • a threaded protective sleeve 90 is also installed.
  • An aviation connector 11 and a hook 12 are arranged at the rear end of the casing, which is convenient for hand-held design and hand-held screwdriver to connect to the circuit.
  • a start switch 13 and a forward and reverse switch button 14 are arranged on the casing.
  • the start switch 13 is electrically connected to the start switch circuit board 15
  • the forward/reverse switch button 14 is electrically connected to the forward/reverse switch circuit board 16 .
  • a variety of different types of batch rods 70 are arranged outside the hand-held electric screwdriver body, which are used to lock screws of different types and sizes.
  • the end of the batch rod 70 needs to be assembled into the hexagonal batch rod sleeve.
  • the batch rod 70 itself has an arc. If there is a groove, the batch rod is sleeved with a mounting steel ball, and the steel ball is stuck in the arc-shaped groove of the batch rod to realize the fastening installation of the batch rod and the equipment.
  • the batch rod sleeve is a regular hexagonal inner hole, and the batch rod is a profiling structure, and the torque is transmitted through the regular hexagonal surface.
  • Embodiment 2 Please refer to Figure 4.
  • the difference from Embodiment 1 is that the transmission component is the transmission long pin 40', and the connecting piece is the tail-missing batch rod sleeve 50'
  • a tail-missing drive block is arranged in the 50' of the tail-missing batch rod sleeve, and the end of the batch rod is installed in the batch-rod sleeve to match the transmission with the tail-missing driving block;
  • the transmission component is the transmission long pin 40', the pin at the end of the transmission long pin 40'
  • the sleeve 41' cooperates with the rotating shaft transmission, and the shaft 42' of the transmission long pin 40' drives the tail-missing rod sleeve 50'; there are fittings on the tail-missing rod sleeve 50', and the fittings include deep groove ball bearings and spacers. lock up.
  • the tail missing batch rod sleeve 50' includes a front end and a rear end, the tail missing driving block built in the front end includes a tail missing pin 51' and a cylindrical pin 52', and its rear end is a special-shaped bushing; in the tail missing batch rod
  • the front end of the sleeve 50' is provided with a pin hole 53', and the cylindrical pin 52' penetrates through the pin hole 53' on the sleeve of the tail missing batch rod sleeve 50' and fixes the tail missing pin 51' inside the front end of the tail missing batch rod sleeve 50';
  • the shape of the rear end inner hole matches the shaft 42' of the transmission long pin 40', and the shaft of the long pin is inserted into the rear end inner hole of the batch rod sleeve for transmission.
  • the hand-held electric screwdriver system involved in the present invention is equipped with a micro-control unit, which controls the servo driver through the micro-control unit, and the servo driver drives the servo motor in the screwdriver body to complete the locking action; and the micro-control unit is networked through various data interfaces Saving, backing up and transferring the settings and parameters of the screwdriver locking and paying process can realize intelligent and numerically controlled operations such as remote management and data analysis, which improves the applicable scope of the overall system and the possibility of digital development.
  • the 40W servo motor is used as the drive to avoid the problem of poor reliability of the brushed motor, high failure rate and short service life, and a reducer is added between the servo motor and the transmission components.
  • the reducer can reduce the speed and multiply the torque.
  • the reverse impact force generates axial force on the reducer and the servo motor.
  • the transmission flat pin and the hexagonal batch rod sleeve are used, and the deep groove ball bearing is installed on the batch rod sleeve, so that the shaft only transmits the torque, and the axial direction
  • the impact force is transferred to the deep groove ball bearing to avoid the damage of the reducer/servo motor caused by the axial impact force and prolong the service life.

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Abstract

一种手持式电动螺丝刀系统，包括螺丝刀本体、伺服驱动器、电源模块和微控制单元MCU，其中电源模块包括开关电源和驱动电源，开关电源为微控制单元MCU供电，驱动电源为伺服驱动器供电，MCU控制伺服驱动器，伺服驱动器驱动螺丝刀本体，螺丝刀本体内设伺服电机（20）驱动。该系统的微控制单元通过各种数据接口联网将螺丝刀锁付过程的设置和参数进行保存、备份和传输，可以实现远程管理和数据分析等智能化、数控化操作，提升了整体系统的可应用范围和数字化发展可能性，而螺丝刀本体采用伺服电机取代了有刷电机，提高整体可靠性延长使用寿命。

Description

一种手持式电动螺丝刀系统 【技术领域】
本发明涉及自动化智能加工技术领域，尤其涉及一种对螺丝拧紧的手持式电动螺丝刀以及应用了该电动螺丝刀的系统。
【背景技术】
在自动化加工技术领域，在机械化流水线上采用机械对螺丝进行锁紧工艺是一种高精度、高效率、高稳定性的工装过程。一般是采用机械臂上装配电机驱动的螺丝批，对需要拧紧螺丝进行高速自动锁紧。这种安装在可移动的机械臂上，整体受到机械臂带动驱动然后被定位到预定工位进行加工拧紧的螺丝刀，行业内一般称为机载式螺丝刀，目前也有一种保留了电机驱动螺丝批，但是通过人手持并移动对位的螺丝刀，称为手持式电动螺丝刀。这种螺丝刀兼具灵活性、准确性和高效性，通过人工找准工位，对准待拧紧螺丝，电机驱动批头旋转，高速完成螺丝旋转至拧紧的工作。在工位较为多变复杂的产品，对精度和工艺要求较高的产品领域应用颇广。
但是市面上现有的大部分普通手持电动螺丝刀是采用有刷电机驱动，有刷电机结构复杂、可靠性差、故障多、维护工作量大、寿命短以及换向火花容易产生电磁干扰。其次，普通手持电动螺丝刀在锁付螺丝的时候，由于输出的电机经过减速齿轮后，扭力偏差较大，锁付一致性不好导致产品被锁付时候出现扭转过多破损或者未锁紧等锁付异常情况；最后螺丝刀向下旋紧螺丝的时候，批头会受到反作用的向上冲击力，这个冲击力会对减速器/电机带来很大的轴向负载，在使用中大大降低了减速器/电机的使用寿命。最关键的是目前的手持式螺丝刀仅仅是单纯一个电机驱动旋转的拧动工具，没有配置搭载微控制单元MCU/PLC等，无法进行扭矩的记录、对比、纠错和查询等功能，无法备份数据也无法保留数据以备调用。
【发明内容】
本发明针对以上问题提出了一种结构简单、可靠性好、故障率低、使用寿命长，大幅减少对减速器/电机的轴向负载，降低冲击的手持式电动螺丝刀系统，该系统配置了伺服驱动器、电动螺丝刀和微控制单元，在提高效率，提升可靠性和实用性能，整体延长了螺丝刀的使用寿命的同时搭载了智能化管理系统，同时通过网络通讯的方式将系统连接云端实现了数据的保存、备份和传输，极大地提高了整体系统智能化、数控化的潜力和可能性。
本发明所涉及的一种手持式电动螺丝刀系统，包括螺丝刀本体、伺服驱动器、电源模块和微控制单元MCU，其中电源模块包括开关电源和驱动电源，开关电源为微控制单元MCU供电，驱动电源为伺服驱动器供电，MCU控制伺服驱动器，伺服驱动器驱动螺丝刀本体，螺丝刀本体内设伺服电机驱动。
该微控制单元MCU包含通信接口，通信接口包含rs232、rs485、RJ45、IO输入口和IO输出口。
该手持式螺丝刀系统还包括通过总线连接的外接设备，该外接设备包括人机界面和扫码设备，该外接设备通过rs232和rs485总线与微控制单元MCU连接，人机界面包含LCD显示屏、触摸屏、实体按键、LED指示灯，通过总线和通信接口与微控制单元MCU交换信息进行控制和显示。
扫码设备和我们的设备连接后，通过扫描设备的工件编号将特定的信息与编号绑定后存储起来。
该系统还包含单片机PLC和PC后台，单片机PLC通过总线与微控制单元MCU连接，通过单片机PLC控制螺丝供料系统，通过单片机PLC将数据上传到PC后台端，而PC后台端通过以太网连接到云端。
PC后台可以通过防火墙连接到mass系统、云端等位置。
开关电源输出DC12V、DC5V、DC3.3V三种输出，其中3.3V为微控制单元MCU供电，人机界面如手持扫码等，通过rs232、rs485总线与螺丝刀设备连接，设置并读取设备运行的参数扫码设备和螺丝刀设备连接后，通过扫码设备 的工件编号将特定的信息与编号绑定后存储起来。
其中电动螺丝刀本体，包括外壳、伺服电机、行星减速器、传动部件、连接件和前端套壳，其特征在于，在伺服电机和传动部件之间加设行星减速器，该行星减速器通过传动部件带动连接件，外壳和前端套壳安装在其外，在连接件上装配各种规格批杆；伺服电机通过齿轮套与行星减速器配套，所述传部件是传动销而连接件是批杆套，行星减速器的转轴通过传动销卡入装配到批杆套内，而批杆套后端与传动销配装，前端用来固定批杆，在批杆套之外套设有轴承。
该传动部件和连接件是包括传动扁销和六方批杆套，以及传动长销和尾缺批杆套两种结构。
当传动件为传动扁销而连接件为六方批杆套时，转轴通过传动扁销卡入装配到六方批杆套内，而六方批杆套后端与传动扁销装配，前端用来固定批杆。
当连接件为传动长销而连接件为尾缺批杆套时，转轴通过传动长销装配到尾缺批杆套内，该传动长销的轴传动装配到尾缺批杆套的后端，而尾缺批杆套的前端内设尾缺驱动块，批杆末端通过与该尾缺驱动块配合的方式装配到尾缺批杆套内。
伺服电机和行星减速器之间还设有一个电机安装座，电机安装座和行星减速器之间设有小齿轮套。
行星减速器的转轴直接套入传动扁销内，行星减速器和传动扁销衔接部位之外套设一个减速器安装环，该减速器安装环通过螺钉安装在行星减速器上并以其端面抵靠在外壳上；而传动扁销直接卡入到六方批杆套的后端扁槽内，而在六方批杆套之外套设深沟球轴承和隔圈，深沟球轴承端面顶住隔圈，而隔圈的另外一个端面则靠抵在减速器安装环上。
该减速器安装环朝向隔圈一面设有内陷槽，将部分隔圈包容式纳入提供轴向支承。
深沟球轴承和六方批杆套之间通过卡簧轴向定位卡紧。
六方批杆套外壁设有卡簧槽，卡簧一部分卡入槽内，另外一部分顶在深沟球轴承前端面。
六方批杆套之外套有前端套壳，在六方批杆套和前端套壳之间还设有拆装套，该拆装套前端被挡圈卡入压缩弹簧，在拆装套内壁和六方批杆套之间具有一个卡入槽，该压缩弹簧被卡入到该卡入槽内。
在前端套壳之外还装设了一个螺纹保护套。在外壳后端设有航空接头和挂钩，便于手持和接入电路。
在外壳上设有启动开关和正反开关按键。而启动开关电连接启动开关电路板，正反开关按键电连接正反开关电路板。
本发明所涉及的手持式电动螺丝刀系统配置微控制单元，通过微控制单元控制伺服驱动器，而伺服驱动器驱动螺丝刀本体内的伺服电机以此完成锁付动作；而微控制单元通过各种数据接口联网将螺丝刀锁付过程的设置和参数进行保存和、备份和传输可以实现远程管理和数据分析等智能化、数控化操作，提升了整体系统的可应用范围和数字化发展可能性，而螺丝刀本体采用了40W的伺服电机作为驱动，避免了有刷电机可靠性差故障率高使用寿命短的问题，而且在伺服电机和传动部件之间加设了减速器，减速器能够降低转速和倍增扭矩，为了避免锁付时反向冲击力对减速器和伺服电机产生轴向力，用了传动扁销和六方批杆套，在批杆套上加装深沟球轴承，让转轴只传递扭矩，而将轴向冲击力转移到深沟球轴承上，避免轴向冲击力对减速器/伺服电机的损害，延长使用寿命。
【附图说明】
图1是本发明所涉及的手持式电动螺丝刀系统的系统框架图；
图2是本发明所涉及的手持式电动螺丝刀系统的拓扑图；
图3是本发明一种手持式电动螺丝刀实施例1的分解结构图；
图4是本发明一种手持式电动螺丝刀实施例1装配状态局部剖视图；
图5是本发明一种手持式电动螺丝刀实施例1局部装配结构放大图；
图6是本发明一种手持式电动螺丝刀实施例2的局部装配结构图；
其中：10、外壳；11、航空接头；12、挂钩；13、启动开关；14、正反开 关按键；15、启动开关电路板；16、正反开关电路板；20、伺服电机；21、电机安装座；30、行星减速器；31、小齿轮套；32、减速器安装环；40、传动扁销；50、六方批杆套；51、深沟球轴承；52、隔圈；53、卡簧；54、卡簧槽；55、阶梯面；60、前端套壳；70、批杆；80、拆装套；81、压缩弹簧；82、挡圈；83、无耳挡圈；90、螺纹保护套。
40’、长销；41’、销套；42’、轴；50’、尾缺批杆套；51’、尾缺销；52’、圆柱销；53’、销孔；
【具体实施方式】
下面将结合附图及实施例对本发明进行详细说明，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本发明，而不能理解为对本发明的限制。
在本发明的描述中，需要理解的是，术语“中心”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
实施例1：请参考附图1和附图2，其中以系统框架图和拓扑图的方式示出了一种手持式电动螺丝刀系统，该系统包括螺丝刀本体、伺服驱动器、电源模块和微控制单元MCU，其中电源模块包括开关电源和驱动电源，开关电源为微控制单元MCU供电，驱动电源为伺服驱动器供电，MCU控制伺服驱动器，伺服驱动器驱动螺丝刀本体，螺丝刀本体内设伺服电机驱动。
该微控制单元MCU包含通信接口，通信接口包含rs232、rs485、RJ45、IO输入口和IO输出口。
该手持式螺丝刀系统还包括通过总线连接的外接设备，该外接设备包括人机界面和扫码设备，该外接设备通过rs232和rs485总线与微控制单元MCU连 接，人机界面包含LCD显示屏、触摸屏、实体按键、LED指示灯，通过总线和通信接口与微控制单元MCU交换信息进行控制和显示。
扫码设备和我们的设备连接后，通过扫描设备的工件编号将特定的信息与编号绑定后存储起来。
该系统还包含单片机PLC和PC后台，单片机PLC通过总线与微控制单元MCU连接，通过单片机PLC控制螺丝供料系统，通过单片机PLC将数据上传到PC后台端，而PC后台端通过以太网连接到云端。
PC后台可以通过防火墙连接到mass系统、云端等位置。
开关电源输出DC12V、DC5V、DC3.3V三种输出，其中3.3V为微控制单元MCU供电，人机界面如手持扫码等，通过rs232、rs485总线与螺丝刀系统连接，设置并读取设备运行的参数。扫码设备和螺丝刀设备连接后，通过扫码设备的工件编号将特定的信息与编号绑定后存储起来。
请参考附图3，其中示出了螺丝刀本体的实物结构的爆炸图，包括外壳10、伺服电机20、行星减速器30、传动部件、连接件和前端套壳60，其特征在于，在伺服电机20和传动部件之间加设行星减速器30，该行星减速器30通过传动部件带动连接件，该传动部件为传动扁销，连接件为六方批杆套50、深沟球轴承80以及隔圈90。
外壳10和前端套壳60安装在其外，外壳10包裹住内部的伺服电机20和行星减速器30等重要部件，而前端套壳60主要是套在六方批杆套50之前，且前端还要预留一个插入批杆70的孔。
在连接件上装配各种规格批杆，以适应锁付不同的规格和大小螺丝；伺服电机20通过小齿轮套31与行星减速器30配套，所述传动部件是传动扁销40，而连接件是指六方批杆套50等部件，行星减速器30的转轴部分通过传动扁销40卡入装配到六方批杆套内，六方批杆套后端与传动扁销配装，前端用来固定批杆，在六方批杆套50之外套设有轴承。行星减速器30的转轴通过机米螺丝锁紧到传动扁销40之内，实现转轴和传动扁销40的锁紧装配。
伺服电机20和行星减速器30之间还设有一个电机安装座21，电机安装座 通过螺钉安装到伺服电机上，电机安装座21和行星减速器之间设有小齿轮套31。
行星减速器30的转轴直接套入传动扁销40内，行星减速器30和传动扁销40衔接部位之外套设一个减速器安装环32，该减速器安装环32通过螺钉安装在行星减速器30上并以其端面抵靠在外壳10上；而传动扁销40直接卡入到六方批杆套50的后端扁槽内，而在六方批杆套50之外套设深沟球轴承51和隔圈52，深沟球轴承51端面顶住隔圈52，而隔圈52的另外一个端面则靠抵在减速器安装环32上。
行星减速器30的转轴直插入传动扁销40，而传动扁销40卡入六方批杆套50后端的扁槽内，从六方批杆套至扁销40之间只传递扭矩而不承担轴向受力，通过六方批杆套50上的深沟球轴承51来承担轴向冲击力，而深沟球轴承51紧抵在隔圈52上，而隔圈52卡抵在减速器安装环32上来承担轴向冲力，并一层层向外壳传递，避免了冲击力往内部动力件传递的问题。
该减速器安装环32朝向隔圈52一面设有内陷槽，将部分隔圈包容式纳入并提供轴向支承。隔圈的朝向减速器方向的端面可以顶在减速器安装环内陷槽部分。减速器安装环32是有将隔圈52这部分包在其中，然后被前端套壳从前往后包住，整体内部元器件被包护起来。
该深沟球轴承51和六方批杆套50之间通过卡簧53轴向定位卡紧。实际上再六方批杆套50上是具有一个对应深沟球轴承51的阶梯面55，深沟球轴承套入其中后端面顶在该阶梯面，而前端面被卡簧53卡紧。
六方批杆套50外壁设有卡簧槽54，卡簧一部分卡入该卡簧槽54内，另外一部分顶在深沟球轴承前端面。当六方批杆套50随着批杆受到向后的冲击力，就会通过卡簧53直接顶到到深沟球轴承51。
六方批杆套50之外套有前端套壳60，在六方批杆套50和前端套壳60之间还设有拆装套80，该拆装套80前端被挡圈82和无耳挡圈83卡入压缩弹簧81，在拆装套80内壁和六方批杆套50之间具有一个卡入槽，该压缩弹簧81被卡入到该卡入槽内。
在前端套壳60之外还装设了一个螺纹保护套90。
在外壳后端设有航空接头11和挂钩12，便于手持式设计所用以及手持螺丝刀接入电路。
在外壳上设有启动开关13和正反开关按键14。而启动开关13电连接启动开关电路板15，正反开关按键14电连接正反开关电路板16。
在该手持电动螺丝刀本体之外配置了多种不同型号的批杆70，用来锁付不同型号和大小的螺丝，批杆70末端需要装配到六方批杆套内，批杆70本身是有弧形凹槽的，批杆套有安装钢珠，通过钢珠卡在批杆的弧形凹槽来实现批杆与设备的紧固安装。批杆套是正六方内孔，与批杆是仿形结构，通过正六方的面来传递扭矩。
实施例2：请参考附图4，在本实施例中，与实施例1的区别在于，传动部件为传动长销40’，而连接件为尾缺批杆套50’
在尾缺批杆套50’内设置尾缺驱动块，批杆末端安装到批杆套内与尾缺驱动块匹配传动；该传动部件为传动长销40’，传动长销40’末端的销套41’与转轴传动配合，而传动长销40’的轴42’驱动尾缺批杆套50’；在尾缺批杆套50’上设有装配件，装配件包含深沟球轴承和隔圈。
该尾缺批杆套50’包含前端和后端，其前端内设的尾缺驱动块包括尾缺销51’和圆柱销52’，而其后端为异形轴套；在该尾缺批杆套50’前端设有销孔53’，该圆柱销52’贯穿尾缺批杆套50’套身上的销孔53’并将尾缺销51’固定在尾缺批杆套50’前端内部；该后端内孔形状与传动长销40’的轴42’相匹配，长销的轴插入批杆套后端内孔传动。
该尾缺销51’周向方位有缺口，适配的批杆末端有与该尾缺销51’相匹配的缺口，两者配合进行传动。
本发明所涉及的手持式电动螺丝刀系统配置微控制单元，通过微控制单元控制伺服驱动器，而伺服驱动器驱动螺丝刀本体内的伺服电机以此完成锁付动作；而微控制单元通过各种数据接口联网将螺丝刀锁付过程的设置和参数进行保存和、备份和传输可以实现远程管理和数据分析等智能化、数控化操作，提升了整体系统的可应用范围和数字化发展可能性，而螺丝刀本体采用了40W的伺服 电机作为驱动，避免了有刷电机可靠性差故障率高使用寿命短的问题，而且在伺服电机和传动部件之间加设了减速器，减速器能够降低转速和倍增扭矩，为了避免锁付时反向冲击力对减速器和伺服电机产生轴向力，用了传动扁销和六方批杆套，在批杆套上加装深沟球轴承，让转轴只传递扭矩，而将轴向冲击力转移到深沟球轴承上，避免轴向冲击力对减速器/伺服电机的损害，延长使用寿命。
以上所述，仅是本发明较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专业的技术人员，在不脱离本发明技术方案范围内，当利用上述揭示的技术内容作出些许变更或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案内容，依据本发明技术是指对以上实施例所作的任何简单修改、等同变化与修饰，均属于本发明技术方案的范围内。

Claims (10)

  1. 一种手持式电动螺丝刀系统，包括螺丝刀本体、伺服驱动器、电源模块和微控制单元MCU，其中电源模块包括开关电源和驱动电源，开关电源为微控制单元MCU供电，驱动电源为伺服驱动器供电，MCU控制伺服驱动器，伺服驱动器驱动螺丝刀本体，螺丝刀本体内设伺服电机驱动。
  2. 根据权利要求1所述手持式电动螺丝刀系统，其特征在于，该微控制单元MCU包含通信接口，通信接口包含rs232、rs485、RJ45、IO输入口和IO输出口；该手持式螺丝刀系统还包括通过总线连接的外接设备，该外接设备包括人机界面和扫码设备，该外接设备通过rs232和rs485总线与微控制单元MCU连接，人机界面包含LCD显示屏、触摸屏、实体按键、LED指示灯，通过总线和通信接口与微控制单元MCU交换信息进行控制和显示；该系统还包含单片机PLC和PC后台，单片机PLC通过总线与微控制单元MCU连接，通过单片机PLC控制螺丝供料系统，通过单片机PLC将数据上传到PC后台端，而PC后台端通过以太网连接到云端。
  3. 根据权利要求2所述手持式电动螺丝刀系统，其特征在于，该开关电源输出DC12V、DC5V、DC3.3V三种输出，其中3.3V为微控制单元MCU供电，人机界面和手持扫码，通过rs232、rs485总线与螺丝刀设备连接，设置并读取设备运行的参数扫码设备和螺丝刀设备连接后，通过扫码设备的工件编号将特定的信息与编号绑定后存储起来。
  4. 根据权利要求1所述手持式电动螺丝刀系统，其特征在于，其中螺丝刀本体，包括外壳、伺服电机、行星减速器、传动部件、连接件和前端套壳，其特征在于，在伺服电机和传动部件之间加设行星减速器，该行星减速器通过传动部件带动连接件，外壳和前端套壳安装在其外，在连接件上装配各种规格批杆；伺服电机通过齿轮套与行星减速器配套，所述传动部件为传动销连接件为批杆套，行星减速器的转轴通过传动销卡入装配到批杆套内，而批杆套后端与传动销配装，前端用来固定批杆，在批杆套之外套设有轴承。
  5. 根据权利要求4所述手持式电动螺丝刀系统，其特征在于，传动部件和连接件为传动扁销和六方批杆套或者传动部件和连接件为传动长销和尾缺批杆套两套组合结构。
  6. 根据权利要求5所述手持式电动螺丝刀系统，其特征在于，当传动部件为传动扁销而连接件为六方批杆套时，转轴通过传动扁销卡入装配到六方批杆套内，而六方批杆套后端与传动扁销装配，前端用来固定批杆。
  7. 根据权利要求5所述手持式电动螺丝刀系统，其特征在于，当传动部件为传动长销而连接件为尾缺批杆套时，转轴通过长销装配到尾缺批杆套内，该长销的轴传动装配到尾缺批杆套的后端，而尾缺批杆套的前端内设尾缺驱动块，批杆末端通过与该尾缺驱动块配合的方式装配到尾缺批杆套内。
  8. 根据权利要求4所述手持式电动螺丝刀系统，其特征在于，伺服电机和行星减速器之间还设有一个电机安装座，电机安装座和行星减速器之间设有小齿轮套；行星减速器的转轴直接套入传动扁销内，行星减速器和传动扁销衔接部位之外套设一个减速器安装环，该减速器安装环通过螺钉安装在行星减速器上并以其端面抵靠在外壳上；而传动扁销直接卡入到六方批杆套的后端扁槽内，而在六方批杆套之外套设深沟球轴承和隔圈，深沟球轴承端面顶住隔圈，而隔圈的另外一个端面则靠抵在减速器安装环上。
  9. 根据权利要求8所述手持式电动螺丝刀系统，其特征在于，该减速器安装环朝向隔圈一面设有内陷槽，将部分隔圈包容式纳入提供轴向支承。
  10. 根据权利要求9所述手持式电动螺丝刀系统，其特征在于，深沟球轴承和六方批杆套之间通过卡簧轴向定位卡紧；六方批杆套外壁设有卡簧槽，卡簧一部分卡入槽内，另外一部分顶在深沟球轴承前端面；六方批杆套之外套有前端套壳，在六方批杆套和前端套壳之间还设有拆装套，该拆装套前端被挡圈卡入压缩弹簧，在拆装套内壁和六方批杆套之间具有一个卡入槽，该压缩弹簧被卡入到该卡入槽内；在前端套壳之外还装设了一个螺纹保护套。
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