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CN111156303B - A coaxial compound double helix pressure device - Google Patents

A coaxial compound double helix pressure device Download PDF

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Publication number
CN111156303B
CN111156303B CN202010115047.8A CN202010115047A CN111156303B CN 111156303 B CN111156303 B CN 111156303B CN 202010115047 A CN202010115047 A CN 202010115047A CN 111156303 B CN111156303 B CN 111156303B
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Prior art keywords
shaft
gear
extension shaft
screw
programmable controller
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CN111156303A (en
Inventor
刘天军
张杨
刘青苑
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Changzhou Institute of Technology
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Changzhou Institute of Technology
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
    • F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
    • F16H25/2454—Brakes; Rotational locks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H2025/204—Axial sliding means, i.e. for rotary support and axial guiding of nut or screw shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H2025/2059—Superposing movement by two screws, e.g. with opposite thread direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H2025/2062—Arrangements for driving the actuator
    • F16H2025/2081—Parallel arrangement of drive motor to screw axis

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

本发明公开了一种同轴复合式双螺旋压力装置，包括可编程控制器，所述可编程控制器分别控制第一步进电机、第二步进电机、第一移动电磁铁、第二移动电磁铁，所述第一步进电机利用第一联轴器驱动第一齿轮转动，所述第一齿轮与第二齿轮啮合，所述第二齿轮通过键联结安装在螺杆轴上，所述螺杆轴通过挡圈、一对正装的角接触轴承和一对上下端盖安装在箱体上。本发明定位部件与冲压部件同轴且复合装配，采用齿轮机构及双螺旋驱动，可实现定位与冲压同轴、结构紧凑，定位精度高。

Figure 202010115047

The invention discloses a coaxial compound double-screw pressure device, comprising a programmable controller, wherein the programmable controller respectively controls a first stepping motor, a second stepping motor, a first moving electromagnet and a second moving electromagnet. electromagnet, the first stepping motor uses the first coupling to drive the first gear to rotate, the first gear meshes with the second gear, the second gear is installed on the screw shaft through a key connection, the screw The shaft is mounted on the box through a retaining ring, a pair of positive angular contact bearings and a pair of upper and lower end covers. The positioning part of the invention is coaxial with the stamping part and assembled together, adopts the gear mechanism and the double helix drive, can realize the coaxial positioning and stamping, compact structure and high positioning accuracy.

Figure 202010115047

Description

Coaxial combined type double-helix pressure device
Technical Field
The invention relates to the processing of stamping parts, in particular to a coaxial composite double-helix pressure device.
Background
In many press working, particularly with some circumferentially oriented stamped parts, there are often (1) positioning-positioning withdrawal-stamping. (2) Location-location hold and punch. In case (1) it can be done with a multi-station device, in case (2) it needs a positioning and punching coaxial, but also separately driven press.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a coaxial combined type double-helix pressure device which is coaxial and compositely assembled by a positioning component and a stamping component, adopts a gear mechanism and double-helix driving, and can realize coaxial positioning and stamping, compact structure and high positioning precision.
The purpose of the invention is realized by the following technical scheme.
A coaxial combined type double-helix pressure device comprises a programmable controller, wherein the programmable controller respectively controls a first stepping motor, a second stepping motor, a first movable electromagnet and a second movable electromagnet, the first stepping motor drives a first gear to rotate by utilizing a first coupler, the first gear is meshed with a second gear, the second gear is connected and installed on a screw shaft through a key, and the screw shaft is installed on a box body through a retaining ring, a pair of right-installed angular contact bearings and a pair of upper and lower end covers.
Screw shaft and interior axle of stretching become interior spiral pair, interior axle shape of stretching is the cylinder of circle in the foreign side, the inside trapezoidal thread that has of interior axle upside of stretching, the outside of interior axle of stretching is the rectangle, the hole and the external screw thread that stretch the outside rectangle in interior axle are the same with the axle size of stretching, clearance fit is formed each other to the hole of overhanging axle and the outside rectangle of interior axle of stretching, the external screw thread outside generating line direction of overhanging axle is opened there is a narrow groove, the narrow groove is gone into on the locating lever top of first removal electro-magnet, and opposite one side is opened has rectangular logical groove, rectangular logical groove is used for first removal electro-magnet to pass through when stretching the axle location to interior.
The external thread of the overhanging shaft and the internal thread of the inner hole of the third gear form an internal screw pair, the third gear is meshed with the fourth gear, and the second stepping motor drives the fourth gear to rotate by utilizing a second coupling.
And the positioning disc and the punching disc are respectively assembled on the outward extending shaft and the inward extending shaft.
The extending shaft extends and retracts in a mode that: the programmable controller sends an electrifying signal to a second movable electromagnet, the second movable electromagnet extends out, crosses a long through groove of the outward extending shaft, contacts the outer side of the outward extending shaft and is propped against the outward extending shaft, and the inward extending shaft is fixed; the programmable controller sends a rotation signal to the second stepping motor, the fourth gear rotates, the third gear rotates, the screw shaft rotates, and the screw shaft is in clearance fit with the outward extending shaft and the inward extending shaft, so that the outward extending shaft can only move up and down after the inward extending shaft is fixed, and the extension is realized.
The telescopic mode of the inward extending shaft is as follows: the programmable controller sends a power-off signal, and the second movable electromagnet retracts; the programmable controller sends signals to a first movable electromagnet, the first movable electromagnet extends out to be in contact with the bottom of a narrow groove in the bus direction outside the external thread of the outward extending shaft, and the outward extending shaft is fixed; the programmable controller sends a rotation signal to the first stepping motor, the first gear rotates, the second gear rotates, the screw shaft rotates, the inner extension shaft and the screw shaft form an inner spiral pair, the inner extension shaft and the outer extension shaft form clearance fit, and when the outer extension shaft is fixed, the inner extension shaft can only move up and down to realize extension.
Compared with the prior art, the invention has the advantages that: the positioning component and the stamping component are coaxial and are compositely assembled, and the positioning and stamping can be coaxial by adopting a gear mechanism and double-helix driving. The device has compact structure and high positioning precision. Adopts PLC programming to control the sequence of optional actions and the telescopic length of the positioning component and the stamping component, has flexible operation, and is suitable for various coaxial ranges
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the device comprises a programmable controller 2, a first stepping motor 3, a first coupler 4, a second stepping motor 5, a second coupler 6, a first gear 7, a second gear 8, a screw shaft 9, a box body 10, a retainer ring 11, an angular contact bearing 12, an end cover 13, an inner extending shaft 14, an outer extending shaft 15, a first movable electromagnet 16, a third gear 17, a fourth gear 18 and a second movable electromagnet.
Detailed Description
The invention is described in detail below with reference to the drawings and specific examples.
As shown in fig. 1, a programmable controller (PLC)1 controls a first stepping motor 2, a second stepping motor 4, a first moving electromagnet 15, and a second moving electromagnet 18, respectively.
The first stepping motor 2 drives a first gear 6 to rotate by utilizing a first coupler 3, the first gear 6 is meshed with a second gear 7, the second gear 7 is installed on a screw shaft 8 through key connection, and the screw shaft 8 is installed on a box body 9 through a retainer ring 10, a pair of right-side angular contact bearings 11 and a pair of upper and lower end covers 12.
The interior axle 13 shape of stretching into is the cylinder of circle in the foreign side, the upside is inside to have trapezoidal thread, constitute interior screw pair with screw shaft 8, the outside of interior axle 13 of stretching into is the rectangle, overhanging axle 14 has the hole the same with the interior axle 13 outside rectangle size of stretching into and external screw thread, clearance fit is constituteed each other to the hole of overhanging axle 14 and the outside rectangle of interior axle 13, open the external screw thread outside generating line direction of overhanging axle 14 has a narrow groove, make things convenient for the locating lever of first portable electromagnet 15 to push up into the narrow groove, open on opposite side has rectangular logical groove, make things convenient for second portable electromagnet 18 to pass through when fixing a position to interior axle 13 of stretching into.
The inner hole of the third gear 16 is provided with an internal thread, and the inner hole of the third gear 16 is provided with an internal thread and an external thread of the external extending shaft 14 to form an internal screw pair.
The third gear 16 is engaged with the fourth gear 17, and the second stepping motor 4 drives the fourth gear 17 to rotate by using the second coupling 5.
The outer extension shaft 14 and the inner extension shaft 13 can be respectively provided with a positioning disc and a punching disc.
The implementation is as follows:
first, the external shaft 14 is telescopic
1. The Programmable Logic Controller (PLC)1 sends an electric signal to the movable second movable electromagnet 18, the movable second movable electromagnet 18 extends out, passes through the long through groove of the outward extending shaft 14, contacts the outer side of the outward extending shaft 13 and is propped against the outer side, and the inward extending shaft 13 is fixed.
2. The programmable controller (PLC)1 sends a rotation signal to the second stepping motor 4, the fourth gear 17 rotates, the third gear 16 rotates, the screw shaft 8 rotates, and the outer extension shaft 14 can only move up and down after the inner extension shaft 13 is fixed due to clearance fit with the outer extension shaft 14 and the inner extension shaft 13, so that extension and retraction are realized.
Second, the inner extension shaft 13 extends and contracts
1. The Programmable Logic Controller (PLC)1 generates a power-off signal to move the second movable electromagnet 18 to retract.
2. The programmable controller (PLC)1 sends a signal to the movable first movable electromagnet 15, the movable first movable electromagnet 15 extends to be in contact with the bottom of the bus-direction narrow groove on the outer side of the external thread of the external extending shaft 14, and the external extending shaft 14 is fixed.
3. A Programmable Logic Controller (PLC)1 sends a rotation signal to a first stepping motor 2, a first gear 6 rotates, a second gear 7 rotates, a screw shaft 8 rotates, an inner extension shaft 13 and the screw shaft 8 form an inner spiral pair, the inner extension shaft 13 and an outer extension shaft form clearance fit, and when the outer extension shaft 14 is fixed, the inner extension shaft 13 can only move up and down to realize extension.

Claims (2)

1.一种同轴复合式双螺旋压力装置，其特征在于包括可编程控制器，所述可编程控制器分别控制第一步进电机、第二步进电机、第一移动电磁铁、第二移动电磁铁，所述第一步进电机利用第一联轴器驱动第一齿轮转动，所述第一齿轮与第二齿轮啮合，所述第二齿轮通过键联结安装在螺杆轴上，所述螺杆轴通过挡圈、一对正装的角接触轴承和一对上下端盖安装在箱体上；所述螺杆轴与内伸轴构成内螺旋副，所述内伸轴形状为外方内圆的筒状体，所述内伸轴上侧内部有梯形螺纹，所述内伸轴的外侧为矩形，外伸轴具有与内伸轴外侧矩形尺寸相同的内孔和外螺纹，所述外伸轴的内孔与内伸轴的外侧矩形相互组成间隙配合，所述外伸轴的外螺纹外侧母线方向开有一窄槽，所述第一移动电磁铁的定位杆顶入窄槽，相反一侧开有长条通槽，所述长条通槽用于第二移动电磁铁对内伸轴定位时通过；所述外伸轴的外螺纹与第三齿轮的内孔的内螺纹构成内螺旋副，所述第三齿轮与第四齿轮啮合，所述第二步进电机利用第二联轴器驱动第四齿轮转动，所述外伸轴伸缩方式：所述可编程控制器给第二移动电磁铁发通电信号，所述第二移动电磁铁伸出，越过外伸轴长条通槽接触到内伸轴外侧并顶住，所述内伸轴被固定；所述可编程控制器给第二步进电机发转动信号，所述第四齿轮转动，所述第三齿轮转动，所述螺杆轴转动，由于外伸轴与内伸轴组成间隙配合，所述内伸轴被固定后，所述外伸轴只能上下运动，实现伸缩；所述内伸轴伸缩方式：所述可编程控制器发断电信号，所述第二移动电磁铁缩回；所述可编程控制器给第一移动电磁铁发信号，所述第一移动电磁铁伸出接触到外伸轴的外螺纹外侧母线方向窄槽底部，所述外伸轴被固定；所述可编程控制器给第一步进电机发转动信号，所述第一齿轮转动，所述第二齿轮转动，所述螺杆轴转动，由于内伸轴与螺杆轴构成内螺旋副，所述内伸轴与外伸轴组成间隙配合，当外伸轴被固定后，所述内伸轴只能上下运动，实现伸缩。1. a coaxial compound double-helix pressure device is characterized in that comprising a programmable controller, and the programmable controller controls the first stepper motor, the second stepper motor, the first moving electromagnet, the second stepper motor, Moving the electromagnet, the first stepping motor uses the first coupling to drive the first gear to rotate, the first gear meshes with the second gear, and the second gear is installed on the screw shaft through a key connection, the The screw shaft is installed on the box through a retaining ring, a pair of positive angular contact bearings and a pair of upper and lower end covers; the screw shaft and the inner extension shaft form an inner screw pair, and the shape of the inner extension shaft is an outer square and an inner circle. The cylindrical body has trapezoidal threads on the upper side of the inner extension shaft, the outer side of the inner extension shaft is rectangular, and the outer extension shaft has an inner hole and an outer thread with the same size as the rectangle on the outer side of the inner extension shaft. The inner hole of the inner hole and the outer rectangle of the inner extension shaft form a clearance fit with each other, a narrow groove is opened in the direction of the outer generatrix of the outer thread of the outer extension shaft, the positioning rod of the first moving electromagnet is pushed into the narrow groove, and the opposite side is opened. There is a long through groove, which is used for the second moving electromagnet to pass through when positioning the inwardly extending shaft; the outer thread of the outer extending shaft and the inner thread of the inner hole of the third gear form an inner screw pair, The third gear meshes with the fourth gear, the second stepping motor uses the second coupling to drive the fourth gear to rotate, and the extension shaft is telescopic: the programmable controller gives the second moving electromagnet After sending a power-on signal, the second moving electromagnet extends out, crosses the elongated through-slot of the overhanging shaft to contact the outside of the overhanging shaft and resists, and the inside extension shaft is fixed; the programmable controller gives the second step The input motor generates a rotation signal, the fourth gear rotates, the third gear rotates, and the screw shaft rotates. Since the outer extension shaft and the inner extension shaft form a clearance fit, after the inner extension shaft is fixed, the outer extension shaft is fixed. The extension shaft can only move up and down to realize expansion and contraction; the expansion and contraction method of the inner extension shaft: the programmable controller sends a power-off signal, and the second moving electromagnet retracts; the programmable controller sends the first moving electromagnetic The iron sends a signal, the first moving electromagnet protrudes and contacts the bottom of the narrow groove in the direction of the external bus bar of the external thread of the outrigger shaft, and the outrigger shaft is fixed; the programmable controller rotates the first step motor. Signal, the first gear rotates, the second gear rotates, and the screw shaft rotates. Since the inner extension shaft and the screw shaft form an inner screw pair, the inner extension shaft and the outer extension shaft form a clearance fit. After the shaft is fixed, the inner extension shaft can only move up and down to realize expansion and contraction. 2.根据权利要求1所述的一种同轴复合式双螺旋压力装置，其特征在于所述外伸轴和内伸轴上分别装配定位盘和冲压盘。2 . The coaxial compound double-screw pressure device according to claim 1 , wherein a positioning plate and a punching plate are respectively installed on the outer extension shaft and the inner extension shaft. 3 .
CN202010115047.8A 2020-02-25 2020-02-25 A coaxial compound double helix pressure device Active CN111156303B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5313852A (en) * 1992-11-06 1994-05-24 Grumman Aerospace Corporation Differential linear actuator
JP2001295805A (en) * 2000-04-18 2001-10-26 Farukomu:Kk Power cylinder mechanism for both screw and oil pressure
CN1986334A (en) * 2005-12-23 2007-06-27 梅西耶-布加蒂公司 Telescopic actuator with a main rod and an auxiliary rod, and method applying said actuator
CN105455684A (en) * 2015-07-10 2016-04-06 九阳股份有限公司 Food processing machine
CN205147362U (en) * 2015-11-13 2016-04-13 洛阳诚冠自动控制技术有限公司 A internal expanding anchor clamps for processing of motor housing aluminum barrel
CN105593009A (en) * 2013-10-02 2016-05-18 村田机械株式会社 Press machine and press method
CN106347639A (en) * 2016-09-08 2017-01-25 南京航空航天大学 Electric multistage actuating cylinder retracting and releasing locking device
CN107939307A (en) * 2017-12-20 2018-04-20 中国石油集团川庆钻探工程有限公司工程技术研究院 A kind of long telescopic distance compensation pipe nipple and compensation method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5313852A (en) * 1992-11-06 1994-05-24 Grumman Aerospace Corporation Differential linear actuator
JP2001295805A (en) * 2000-04-18 2001-10-26 Farukomu:Kk Power cylinder mechanism for both screw and oil pressure
CN1986334A (en) * 2005-12-23 2007-06-27 梅西耶-布加蒂公司 Telescopic actuator with a main rod and an auxiliary rod, and method applying said actuator
CN105593009A (en) * 2013-10-02 2016-05-18 村田机械株式会社 Press machine and press method
CN105455684A (en) * 2015-07-10 2016-04-06 九阳股份有限公司 Food processing machine
CN205147362U (en) * 2015-11-13 2016-04-13 洛阳诚冠自动控制技术有限公司 A internal expanding anchor clamps for processing of motor housing aluminum barrel
CN106347639A (en) * 2016-09-08 2017-01-25 南京航空航天大学 Electric multistage actuating cylinder retracting and releasing locking device
CN107939307A (en) * 2017-12-20 2018-04-20 中国石油集团川庆钻探工程有限公司工程技术研究院 A kind of long telescopic distance compensation pipe nipple and compensation method

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