WO2019071638A1 - 攻牙机 - Google Patents

攻牙机 Download PDF

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Publication number
WO2019071638A1
WO2019071638A1 PCT/CN2017/106337 CN2017106337W WO2019071638A1 WO 2019071638 A1 WO2019071638 A1 WO 2019071638A1 CN 2017106337 W CN2017106337 W CN 2017106337W WO 2019071638 A1 WO2019071638 A1 WO 2019071638A1
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WO
WIPO (PCT)
Prior art keywords
tapping
workpiece
module
positioning
positioning fixture
Prior art date
Application number
PCT/CN2017/106337
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English (en)
French (fr)
Inventor
侯鑫
张碧辉
张秀德
赵成
闫冬
Original Assignee
深圳市裕展精密科技有限公司
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Application filed by 深圳市裕展精密科技有限公司 filed Critical 深圳市裕展精密科技有限公司
Publication of WO2019071638A1 publication Critical patent/WO2019071638A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00—Thread cutting; Automatic machines specially designed therefor
    • B23G1/16—Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
    • B23G1/20—Machines with a plurality of working spindles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00—Thread cutting; Automatic machines specially designed therefor
    • B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G11/00—Feeding or discharging mechanisms combined with, or arranged in, or specially adapted for use in connection with, thread-cutting machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/08—Work-clamping means other than mechanically-actuated

Definitions

  • the utility model relates to a tapping machine.
  • the tapping machine is a processing device that processes screws, threads or fasteners on the inner side walls of designated through holes or blind holes.
  • the tapping machine is widely used in the field of machining, its degree of automation is relatively low, and manual clamping of the workpiece is often used.
  • it is necessary to manually assemble the machined part to the tapping machine, and then perform manual tapping operation, which is inefficient.
  • the tapping efficiency is greatly improved.
  • the CNC still adopts single-axis tapping, and the tapping time is long, and there is still room for improvement for the workpiece that needs to process a plurality of screw holes.
  • a tapping machine includes a frame, a positioning fixture mounted on the frame, and a tapping device docked with the positioning fixture, the positioning fixture is used for clamping and positioning a workpiece to be processed;
  • the tapping machine also includes:
  • a loading module for taking the workpiece to be processed to the positioning fixture
  • control unit is connected to the loading module, the blanking module, the positioning fixture and the tapping device, and controls the loading module, the blanking module, the positioning fixture and the tapping device Predetermined sequence action;
  • the tapping device includes a forward tapping module, and the forward tapping module includes a plurality of first tapping axes and a plurality of first servo motors in one-to-one correspondence with the plurality of first tapping axes .
  • the tapping machine further includes a pipeline for conveying the workpiece, and the loading module and the blanking module are docked with the pipeline;
  • the loading module grabs the workpiece to be processed from the pipeline and transmits the workpiece to the positioning fixture, and the blanking module grabs the processed workpiece to the pipeline.
  • the tapping machine further includes a transfer mechanism;
  • the positioning fixture is provided with a loading station, a clamping station and a blanking station;
  • the transfer mechanism is docked with the positioning fixture and Mobilely connected between the loading station, the clamping station and the blanking station;
  • the loading module grabs the workpiece to be processed to the loading station, and the transfer mechanism transfers the workpiece to be processed to the clamping station; after the workpiece is processed, the loading is performed The mechanism is transferred to the unloading station and removed by the blanking module.
  • the loading module comprises:
  • the first jaw is movably coupled to the first holder and configured to grasp a workpiece
  • a first driving unit for driving the first jaw action.
  • the blanking module comprises:
  • the second jaw is movably coupled to the second holder and configured to grasp the workpiece;
  • a second driving unit for driving the second jaw action.
  • the tapping device further includes a lateral tapping module, the lateral tapping module includes a plurality of second tapping shafts; the second tapping shaft is disposed on a side of the positioning fixture and The positioning plane of the positioning fixture forms a predetermined angle.
  • the plurality of second tapping axes are distributed on both sides of the positioning fixture.
  • the positioning fixture comprises:
  • a lower bottom plate disposed on an upper portion of the transfer mechanism, wherein the lower bottom plate is provided with a positioning pin for positioning a workpiece
  • the positioning pin positions the workpiece when the transfer mechanism moves the workpiece to the clamping station, and the compression cylinder drives the pressing block to clamp the workpiece.
  • the forward tapping module further comprises:
  • a base mounted to an upper portion of the frame
  • first tapping shaft fixing device wherein the first tapping shaft and the first servo motor are mounted on the first tapping shaft fixing device;
  • a jacking device coupled to the first tapping shaft fixture and configured to drive the first tapping shaft fixture to move.
  • the transfer mechanism comprises:
  • the tray is slidably coupled to the linear slide and used to carry a workpiece
  • a linear module driven by the second servo motor and coupled to the carrier plate.
  • the control unit is connected with the loading module, the blanking module, the positioning fixture and the tapping device, and controls the loading module, the blanking module, the positioning fixture and the attacking
  • the dental device operates in a predetermined sequence to achieve an action cycle of loading, tapping, and cutting.
  • multiple first tapping axes can simultaneously tap multiple positions of the workpiece, which can greatly shorten the tapping time.
  • Figure 1 is a partial structural view of a tapping machine in a preferred embodiment.
  • FIG. 2 is a schematic structural view of a forward tapping module in the tapping machine of FIG. 1.
  • FIG. 3 is a schematic structural view of a loading module in the tapping machine of FIG. 1.
  • FIG. 4 is a schematic structural view of a blanking module in the tapping machine of FIG. 1.
  • FIG. 5 is a schematic structural view of a lateral tapping module, a positioning fixture, and a transfer mechanism in the tapping machine of FIG. 1.
  • FIG. 5 is a schematic structural view of a lateral tapping module, a positioning fixture, and a transfer mechanism in the tapping machine of FIG. 1.
  • FIG. 6 is a schematic structural view of a transfer mechanism in the tapping machine of FIG. 1.
  • FIG. 6 is a schematic structural view of a transfer mechanism in the tapping machine of FIG. 1.
  • the tapping machine 100 includes a control unit (not shown), a frame 10 , a loading module 20 , a blanking module 50 , and a positioning mounted on the frame 10 .
  • the jig 60 and the tapping device 40 that is in contact with the positioning jig 60.
  • the loading module 20 is configured to take the workpiece to be processed to the positioning fixture 60.
  • the positioning fixture 60 is used for clamping and positioning a workpiece to be processed.
  • the tapping device 40 performs a tapping operation on the workpiece mounted on the positioning jig 60
  • the blanking module 50 grabs the processed workpiece and moves the processed workpiece out of the positioning jig 60.
  • the control unit can be an electrical control box.
  • the control unit is connected to the loading module 20, the blanking module 50, the positioning fixture 60 and the tapping device 40, and controls the loading module 20, the blanking module 50, the positioning fixture 60 and The tapping device 40 operates in a predetermined order.
  • the tapping device 40 includes a forward tapping module 410.
  • the forward tapping module 410 includes a plurality of first tapping shafts 4103 and a plurality of first servo motors 4101 that are in one-to-one correspondence with the plurality of first tapping axes 4103.
  • the plurality of first tapping shafts 4103 can simultaneously tap a plurality of positions of the workpiece, and the tapping time can be greatly shortened.
  • each of the first tapping axes 4103 is driven by a first servo motor 4101, which is convenient for individually controlling the rotational speed and the feed amount of the first tapping shaft 4103.
  • the output shaft of the first servo motor 4101 can be coupled to the first tapping shaft 4103 via a coupling 4102.
  • the forward tapping module 410 may further include a base 4106, a first tapping shaft fixing device 4108, and a jacking device.
  • the base 4106 is mounted to an upper portion of the frame 10.
  • the first tapping shaft 4103 and the first servo motor 4101 are mounted on the first tapping shaft fixing device 4108.
  • the jacking device is coupled to the first tapping shaft fixture 4108 and is configured to drive the first tapping shaft fixture 4108 to move. In this way, the first tapping shaft 4103, the first servo motor 4101 and the first tapping shaft fixing device 4108 can be lifted together by the jacking device, thereby facilitating replacement of the first tapping tooth.
  • the jacking device may include a jacking cylinder 4107 mounted on the base 4106, a guide post 4104 mounted on the base 4106, and a guide plate 4105 sleeved on the guide post 4104.
  • the first tapping shaft fixing device 4108 can be a lifting plate.
  • the jacking cylinder 4107 lifts the first tapping shaft 4103, the first servo motor 4101, and the first tapping shaft fixing device 4108 together by a lifting plate.
  • the tapping machine 100 may further include a running water for conveying the workpiece. Line (not shown).
  • the loading module 20 and the blanking module 50 are docked with the pipeline.
  • the loading module 20 grabs the workpiece to be processed from the pipeline and transmits it to the positioning fixture 60, and the blanking module 50 grabs the processed workpiece to the pipeline.
  • the tapping machine 100 further includes a transfer mechanism 30.
  • the positioning fixture 60 is provided with a loading station 620, a clamping station and a cutting station 630.
  • the transfer mechanism 30 is docked with the positioning fixture 60 and is movably connected between the loading station 620, the clamping station and the unloading station 630.
  • the loading module 20 grabs the workpiece to be processed to the loading station 620, and the transfer mechanism 30 transfers the workpiece to be processed to the clamping station; The transfer mechanism 30 is transferred to the unloading station 630 and the workpiece is removed by the blanking module 50.
  • the loading module 20 can include a first support 210 , a first jaw 220 , and a first driving unit 230 .
  • the first pedestal 210 is mounted and fixed to the frame 10.
  • the first jaw 220 is movably coupled to the first support 210 and is used to grasp a workpiece.
  • the first driving unit 230 is configured to drive the first jaw 220 to operate.
  • the blanking module 50 can include a second abutment 510, a second clamping jaw 520, and a second driving unit 530.
  • the second seat 510 is fixedly mounted to the frame 10.
  • the second jaw 520 is movably coupled to the second support 510 and is used to grasp a workpiece.
  • the second driving unit 530 is configured to drive the first jaw 220 to operate. Since the loading module 20 and the blanking module 50 belong to the more mature prior art, the working principle thereof will not be described in detail herein.
  • the tapping device 40 further includes a lateral tapping module 420.
  • the lateral tapping module 420 includes a plurality of second tapping axes.
  • the second tapping shaft is disposed on a side of the positioning fixture 60 and forms a predetermined angle with the positioning plane of the positioning fixture 60 to tap the workpiece side surface.
  • a plurality of second tapping axes may be distributed on both sides of the positioning jig 60.
  • the positioning fixture 60 can include a lower bottom plate 610, a pressing block, and a compression cylinder 640.
  • the lower bottom plate 610 is disposed at an upper portion of the transfer mechanism 30.
  • a positioning pin for positioning a workpiece is disposed on the lower bottom plate 610.
  • the pressing block corresponds to a position of the positioning pin.
  • the compression cylinder 640 is used to drive the compression block to clamp the workpiece. That is, when the transfer mechanism 30 moves the workpiece to the chucking station, the positioning pin positions the workpiece, and the pinch cylinder 640 drives the pressing block to clamp the workpiece.
  • the transfer mechanism 30 includes a second servo motor 310, a linear module 320, a lift cylinder 330, a carrier plate 340, and a linear slide 360.
  • the tray 340 is slidably coupled to the The linear slide 360 is used to carry the workpiece.
  • the tray 340 is provided with a stopper 350 for driving the workpiece.
  • the linear module 320 is driven by the second servo motor 310 and connected to the pallet 340 through the lifting cylinder 330 to drive the pallet 340 to move.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Workpieces (AREA)
  • Gear Processing (AREA)

Abstract

一种攻牙机(100)，包括机架(10)、上料模组(20)、下料模组(50)、安装于所述机架(10)上的定位治具(60)、与所述定位治具(60)对接的攻牙装置(40)及控制单元，所述攻牙装置(40)包括正向攻牙模组(410)，所述正向攻牙模组(410)包括多个第一攻牙轴(4103)及与所述多个第一攻牙轴(4103)一一对应的多个第一伺服电机(4101)。所述控制单元与所述上料模组(20)、下料模组(50)、定位治具(60)及攻牙装置(40)连接并控制所述上料模组(20)、下料模组(50)、定位治具(60)及攻牙装置(40)按预定顺序动作，从而实现上料、攻牙、下料的动作循环。同时，多个第一攻牙轴(4103)可对工件的多个位置同时攻牙，可大幅缩短攻牙时间。

Description

攻牙机 技术领域
本实用新型涉及一种攻牙机。
背景技术
攻牙机是在指定的通孔或是盲孔的内侧壁上加工出螺丝、螺纹或牙扣的加工设备。虽然攻牙机在机械加工领域应用较为广泛，但是其自动化的程度比较低，常采用手动装夹工件。特别是对于一些小工件孔攻牙时，需要人工将加工零件装配到攻牙机上，然后进行手动攻牙操作，工作效率低。随着CNC的广泛应用,攻牙效率大幅提升，然而，现有技术中CNC仍采用单轴攻牙，攻牙时间长，对于需要加工多个螺孔的工件，仍存在改进空间。
实用新型内容
有鉴于此，有必要提供一种攻牙机，旨在实现多工位攻螺纹，从而缩短加工周期。
一种攻牙机，包括机架、安装于所述机架上的定位治具及与所述定位治具对接的攻牙装置，所述定位治具用于装夹定位待加工的工件；所述攻牙机还包括：
上料模组，用于取送待加工的工件至所述定位治具；
下料模组，用于抓取加工完毕的工件并将该加工完毕的工件移出所述定位治具；及
控制单元，所述控制单元与所述上料模组、下料模组、定位治具及攻牙装置连接并控制所述上料模组、下料模组、定位治具及攻牙装置按预定顺序动作；
所述攻牙装置包括正向攻牙模组，所述正向攻牙模组包括多个第一攻牙轴及与所述多个第一攻牙轴一一对应的多个第一伺服电机。
作为优选，所述攻牙机还包括用于输送工件的流水线，所述上料模组及所述下料模组与所述流水线对接；
所述上料模组从所述流水线抓取待加工的工件并传送至所述定位治具，所述下料模组将加工完毕的工件抓取至所述流水线。
作为优选，所述攻牙机还包括移载机构；所述定位治具上设有上料工位、装夹工位及下料工位；所述移载机构与所述定位治具对接并移动连接于所述上料工位、装夹工位及下料工位之间；
所述上料模组抓取待加工的工件至所述上料工位，所述移载机构将该待加工的工件转运至所述装夹工位；工件加工完毕后再由所述移载机构移送至所述下料工位并由下料模组移出。
作为优选，所述上料模组包括：
第一支座，其与所述机架安装固定；
第一夹爪，所述第一夹爪移动连接于所述第一支座上并用于抓取工件；及
第一驱动单元，用于驱动所述第一夹爪动作。
作为优选，所述下料模组包括：
第二支座，其与所述机架安装固定；
第二夹爪，所述第二夹爪移动连接于所述第二支座上并用于抓取工件；及
第二驱动单元，用于驱动所述第二夹爪动作。
作为优选，所述攻牙装置还包括侧向攻牙模组，所述侧向攻牙模组包括若干第二攻牙轴；所述第二攻牙轴设置于所述定位治具侧面并与所述定位治具的定位平面形成预定夹角。
作为优选，所述若干第二攻牙轴分布于所述定位治具的两侧。
作为优选，所述定位治具包括：
下底板，其设置于所述移载机构上部，所述下底板上设有用于定位工件的定位销；
压紧块，其与所述定位销的位置对应；及
用于驱动所述压紧块的压紧气缸；
所述移载机构将工件移动至装夹工位时，所述定位销将所述工件定位，所述压紧气缸驱动所述压紧块将工件夹紧。
作为优选，所述正向攻牙模组还包括：
底座，安装于所述机架上部；
第一攻牙轴固定装置，所述第一攻牙轴及第一伺服电机安装于所述第一攻牙轴固定装置上；
顶升装置，其与所述第一攻牙轴固定装置连接并用于驱动所述第一攻牙轴固定装置移动。
作为优选，所述移载机构包括：
线性滑轨；
托料板，所述托料板滑动连接于所述线性滑轨上并用于承载工件；
第二伺服电机；
线性模组，其由所述第二伺服电机驱动并与所述托料板连接。
上述攻牙机中，所述控制单元与所述上料模组、下料模组、定位治具及攻牙装置连接并控制所述上料模组、下料模组、定位治具及攻牙装置按预定顺序动作，从而实现上料、攻牙、下料的动作循环。同时，多个第一攻牙轴可对工件的多个位置同时攻牙，可大幅缩短攻牙时间。
附图说明
图1为攻牙机在一较优实施例中的部分结构示意图。
图2为图1的攻牙机中的正向攻牙模组的结构示意图。
图3为图1的攻牙机中的上料模组的结构示意图。
图4为图1的攻牙机中的下料模组的结构示意图。
图5为图1的攻牙机中的侧向攻牙模组、定位治具及移载机构的结构示意图。
图6为图1的攻牙机中的移载机构的结构示意图。
主要元件符号说明
10            机架
20            上料模组
30            移载机构
40            攻牙装置
50            下料模组
60            定位治具
100           攻牙机
210           第一支座
220           第一夹爪
230           第一驱动单元
310           第二伺服电机
320           线性模组
330           升降气缸
340           托料板
350           挡块
360           线性滑轨
410           正向攻牙模组
420           侧向攻牙模组
510           第二支座
520           第二夹爪
530           第二驱动单元
610           下底板
620           上料工位
630           下料工位
640           压紧气缸
4101          第一伺服电机
4102          联轴器
4103          第一攻牙轴
4104          导柱
4105          导向板
4106          底座
4107          顶升气缸
4108          第一攻牙轴固定装置
如下具体实施方式将结合上述附图进一步说明本实用新型。
具体实施方式
如图1至图6所示，攻牙机100包括控制单元(图中未示出)、机架10、上料模组20、下料模组50、安装于所述机架10上的定位治具60及与所述定位治具60对接的攻牙装置40。
所述上料模组20用于取送待加工的工件至所述定位治具60处。所述定位治具60用于装夹定位待加工的工件。所述攻牙装置40对装夹于定位治具60的工件进行攻牙作业后，所述下料模组50抓取加工完毕的工件并将该加工完毕的工件移出所述定位治具60。
控制单元可为一电控箱。所述控制单元与所述上料模组20、下料模组50、定位治具60及攻牙装置40连接并控制所述上料模组20、下料模组50、定位治具60及攻牙装置40按预定顺序动作。
所述攻牙装置40包括正向攻牙模组410。所述正向攻牙模组410包括多个第一攻牙轴4103及与所述多个第一攻牙轴4103一一对应的多个第一伺服电机4101。多个第一攻牙轴4103可对工件的多个位置同时攻牙，可大幅缩短攻牙时间。同时，每第一攻牙轴4103各由一第一伺服电机4101驱动，便于单独控制第一攻牙轴4103的转速和进给量。所述第一伺服电机4101的输出轴可通过联轴器4102与所述第一攻牙轴4103连接。
在具体实施中，所述正向攻牙模组410还可以包括底座4106、第一攻牙轴固定装置4108及顶升装置。所述底座4106安装于所述机架10的上部。所述第一攻牙轴4103及第一伺服电机4101安装于所述第一攻牙轴固定装置4108上。所述顶升装置与所述第一攻牙轴固定装置4108连接并用于驱动所述第一攻牙轴固定装置4108移动。如此一来，可通过所述顶升装置将所述第一攻牙轴4103、第一伺服电机4101及所述第一攻牙轴固定装置4108一同顶起，从而方便更换所述第一攻牙轴4103上的牙针。
具体而言，所述顶升装置可包括安装于所述底座4106上的顶升气缸4107、安装于底座4106上的导柱4104、套接于导向柱4104上的导向板4105。所述第一攻牙轴固定装置4108可为一抬升板。顶升气缸4107通过抬升板将所述第一攻牙轴4103、第一伺服电机4101及所述第一攻牙轴固定装置4108一同顶起。
在一优选实施方式中，所述攻牙机100还可以包括用于输送工件的流水 线(图中未示出)。所述上料模组20及所述下料模组50与所述流水线对接。
工作时，所述上料模组20从所述流水线抓取待加工的工件并传送至所述定位治具60，所述下料模组50将加工完毕的工件抓取至所述流水线。
在另一优选实施方式中，所述攻牙机100还包括移载机构30。所述定位治具60上设有上料工位620、装夹工位及下料工位630。所述移载机构30与所述定位治具60对接并移动连接于所述上料工位620、装夹工位及下料工位630之间。
所述上料模组20抓取待加工的工件至所述上料工位620，所述移载机构30将该待加工的工件转运至所述装夹工位；工件加工完毕后再由所述移载机构30移送至所述下料工位630并由下料模组50将工件移出。
所述上料模组20可包括第一支座210、第一夹爪220及第一驱动单元230。第一支座210与所述机架10安装固定。所述第一夹爪220移动连接于所述第一支座210上并用于抓取工件。第一驱动单元230用于驱动所述第一夹爪220动作。
对应的，所述下料模组50可包括第二支座510、第二夹爪520及第二驱动单元530。第二支座510与所述机架10安装固定。所述第二夹爪520移动连接于所述第二支座510上并用于抓取工件。第二驱动单元530用于驱动所述第一夹爪220动作。因上料模组20、下料模组50属于较成熟的现有技术，在此不再详细描述其工作原理。
在又一优选实施方式中，所述攻牙装置40还包括侧向攻牙模组420。所述侧向攻牙模组420包括若干第二攻牙轴。所述第二攻牙轴设置于所述定位治具60侧面并与所述定位治具60的定位平面形成预定夹角，以便对工件侧侧面进行攻牙。若干第二攻牙轴可分布于所述定位治具60的两侧。
所述定位治具60可包括下底板610、压紧块及压紧气缸640。
所述下底板610其设置于所述移载机构30的上部。所述下底板610上设有用于定位工件的定位销。所述压紧块与所述定位销的位置对应。所述压紧气缸640用于驱动所述压紧块以将工件夹紧。即，所述移载机构30将工件移动至装夹工位时，所述定位销将所述工件定位，所述压紧气缸640驱动所述压紧块将工件夹紧。
在具体实施中，所述移载机构30包括第二伺服电机310、线性模组320、升降气缸330、托料板340及线性滑轨360。所述托料板340滑动连接于所述 线性滑轨360上并用于承载工件。托料板340上设有带动工件的挡块350。所述线性模组320由所述第二伺服电机310驱动并通过升降气缸330与所述托料板340连接，以带动托料板340移动。
以上所述仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型的保护范围之内。

Claims (10)

  1. 一种攻牙机，包括机架、安装于所述机架上的定位治具及与所述定位治具对接的攻牙装置，所述定位治具用于装夹定位待加工的工件；其特征在于，所述攻牙机还包括：
    上料模组，用于取送待加工的工件至所述定位治具；
    下料模组，用于抓取加工完毕的工件并将该加工完毕的工件移出所述定位治具；及
    控制单元，所述控制单元与所述上料模组、下料模组、定位治具及攻牙装置连接并控制所述上料模组、下料模组、定位治具及攻牙装置按预定顺序动作；
    所述攻牙装置包括正向攻牙模组，所述正向攻牙模组包括多个第一攻牙轴及与所述多个第一攻牙轴一一对应的多个第一伺服电机。
  2. 如权利要求1所述的攻牙机，其特征在于：所述攻牙机还包括用于输送工件的流水线，所述上料模组及所述下料模组与所述流水线对接；
    所述上料模组从所述流水线抓取待加工的工件并传送至所述定位治具，所述下料模组将加工完毕的工件抓取至所述流水线。
  3. 如权利要求1所述的攻牙机，其特征在于：所述攻牙机还包括移载机构；所述定位治具上设有上料工位、装夹工位及下料工位；所述移载机构与所述定位治具对接并移动连接于所述上料工位、装夹工位及下料工位之间；
    所述上料模组抓取待加工的工件至所述上料工位，所述移载机构将该待加工的工件转运至所述装夹工位；工件加工完毕后再由所述移载机构移送至所述下料工位并由下料模组移出。
  4. 如权利要求1所述的攻牙机，其特征在于，所述上料模组包括：
    第一支座，其与所述机架安装固定；
    第一夹爪，所述第一夹爪移动连接于所述第一支座上并用于抓取工件；及
    第一驱动单元，用于驱动所述第一夹爪动作。
  5. 如权利要求1所述的攻牙机，其特征在于，所述下料模组包括：
    第二支座，其与所述机架安装固定；
    第二夹爪，所述第二夹爪移动连接于所述第二支座上并用于抓取工件； 及
    第二驱动单元，用于驱动所述第二夹爪动作。
  6. 如权利要求1所述的攻牙机，其特征在于：所述攻牙装置还包括侧向攻牙模组，所述侧向攻牙模组包括若干第二攻牙轴；所述第二攻牙轴设置于所述定位治具侧面并与所述定位治具的定位平面形成预定夹角。
  7. 如权利要求6所述的攻牙机，其特征在于：所述若干第二攻牙轴分布于所述定位治具的两侧。
  8. 如权利要求3所述的攻牙机，其特征在于，所述定位治具包括：
    下底板，其设置于所述移载机构上部，所述下底板上设有用于定位工件的定位销；
    压紧块，其与所述定位销的位置对应；及
    用于驱动所述压紧块的压紧气缸；
    所述移载机构将工件移动至装夹工位时，所述定位销将所述工件定位，所述压紧气缸驱动所述压紧块将工件夹紧。
  9. 如权利要求1所述的攻牙机，其特征在于，所述正向攻牙模组还包括：
    底座，安装于所述机架上部；
    第一攻牙轴固定装置，所述第一攻牙轴及第一伺服电机安装于所述第一攻牙轴固定装置上；
    顶升装置，其与所述第一攻牙轴固定装置连接并用于驱动所述第一攻牙轴固定装置移动。
  10. 如权利要求3所述的攻牙机，其特征在于，所述移载机构包括：
    线性滑轨；
    托料板，所述托料板滑动连接于所述线性滑轨上并用于承载工件；
    第二伺服电机；
    线性模组，其由所述第二伺服电机驱动并与所述托料板连接。
PCT/CN2017/106337 2017-10-12 2017-10-16 攻牙机 WO2019071638A1 (zh)

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