CN106345934A - Automatic safety gate with photoelectric protection for pressing - Google Patents
Automatic safety gate with photoelectric protection for pressing Download PDFInfo
- Publication number
- CN106345934A CN106345934A CN201610756042.7A CN201610756042A CN106345934A CN 106345934 A CN106345934 A CN 106345934A CN 201610756042 A CN201610756042 A CN 201610756042A CN 106345934 A CN106345934 A CN 106345934A
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- CN
- China
- Prior art keywords
- screw
- ball
- safety
- safety door
- bevel gear
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention relates to a pressing safety gate, in particular to an automatic safety gate for protecting safety of press operators. The automatic safety gate comprises a safety gate frame, a safety raster, a servo driving system and a top and bottom gate transmission system, wherein the servo driving system comprises a servo motor, a motor base, an output spindle, spur gears, an output spindle bearing base, a mounting plate and bevel gears; and the top and bottom gate transmission system comprises bevel gears, ball screws, a top gate body, a bottom gate body, oil-free bushing sliders and ball screw bearing bases. The automatic safety gate has the advantages that the servo driving system works synchronously with a press slider, when the press slider moves towards a top dead point, the safety gate is opened, otherwise, the safety gate is closed, and accordingly, safety of the operators is protected, the operators are protected from entering a dangerous area by the aid of the safety raster, and pressing safety is improved.
Description
Technical field
The present invention relates to a kind of secure ram door, specially a kind of automatic peace for protecting press operation personal security
Air cock.
Background technology
A kind of during punch process, action is single, continuously repeat operation is it is desirable to the attention high concentration of operator, persistently
Stable, in punch process, the personal injury of generation mostly breaks finger accident.When the descending punching press of forcing press, if operation
Beyond handss, arm, head are not withdrawn from mould (work) hazardous area by person in time, necessarily weigh wounded, break in upper and lower mould matched moulds
Accident.During not shutting down stamping press, due to need adjustment punch die, feeding, inloading part, unload scrap (bridge) along leftover bits and pieces of material, lay
Blank to suitable mode position, cleaning mould on soil residues, depanning part is taken off from mould, and to mold lubrication etc. these operation,
Operator needs often handss, arm, head to be stretched into mould hazardous area, major safety risks in existing therefore in stamping press.
For secure ram potential problem, the predominantly organic tool formula safety door of existing punching press protection device, automatically controlled safety door,
Light wire type protection device (i.e. usually said photoelectric protector).Safety mechanical door mainly passes through machinery under slide block
During row punching press, force operator's arm pushing pull-out mould hazardous area (outside press bench), such as fence type, lever pushing hands
Formula, rope handle type.Automatically controlled safety door is the startup carrying out control pressure machine by operator using switch, thus protecting operation
The safety of personnel, such as multicontact switch, both hands switch, foot switch cover, push pedal gang switch.Light wire type protection device is to pass through
On press bench both sides: dress light projector, while dress receptor.Workbench hazardous area constitute light layer, when
Handss enter forcing press after hazardous area light is kept off and stop.But punching press protection device all generally existings at this stage operation again
Miscellaneous, efficiency is low, poor stability the problems such as.
Content of the invention
Present invention aims in punching course safety problem and existing punching press protection device shortcoming, provide
A kind of automatic safety door that there is photoelectric protection and can be synchronous with press slide.
The purpose of the present invention is to be achieved through the following technical solutions:
A kind of automatic safety door with photoelectric protection for punching press, drives including safety door framework, safe grating, servo
Dynamic system, upper and lower door drive mechanism, wherein servo drive system include servomotor, motor base, output main shaft, spur gear, defeated
Go out spindle bearing holder, installing plate and bevel gear；Servomotor is connected with installing plate by motor base, the output shaft of servomotor with
Output main shaft is connected by the spur gear of a pair of meshing, and output main shaft two ends, equipped with bevel gear, export main shaft and pass through to export main shaft
Bearing block is fixedly connected with installing plate, and installing plate is fixedly connected with safety door framework.
Up and down door drive mechanism include bevel gear, ball-screw, visit, Xiamen, oil-free bushing slide block, ball-screw bearing
Seat；Left end of visiting is fixedly connected with ball-screw nut respectively with Xiamen right-hand member, visit right-hand member and Xiamen left end respectively with oil-free
Bushing slides are fixedly connected, and ball-screw is connected with safety door framework by ball-screw bearing block, ball-screw input with
Servo drive system output main shaft transmits transmission by bevel gear.
Safe grating is connected with safety door framework, when the non-normally closed of safety door fault upper-lower door, has operator to enter
During deathtrap, safe grating delivers a signal to the control system of press slide motor, controls press slide to quit work；Work as peace
During air cock normally closed, when having operator to enter deathtrap, safe grating delivers a signal to the servo of servo drive system
Motor, makes servomotor be in locking state, prevents safety door from artificially being opened by mistake.
The output main shaft left end bevel gear of servo drive system and the Xiamen ball screw input of upper and lower door drive mechanism
Bevel gear engages, and the output main shaft right-hand member bevel gear of servo drive system is inputted with the ball screw of visiting of upper and lower door drive mechanism
End cone gear engages, and servo drive system passes through servomotor and slide motor and synchronously realizes control, when slide block is to bottom dead centre
During motion, Serve Motor Control upper-lower door closes, and when slide block dead-centre motion upwards, Serve Motor Control upper-lower door is opened.
Further, above-mentioned ball-screw has two, and wherein one ball-screw smooth bar part length is screw portion
2 times, screw portion is mainly used in transmitting Xiamen and moves, and the smooth bar part movement that is used for visiting is spacing；Another ball-screw spiral shell
Bar bar part length is 2 times of smooth bar part, and screw portion is mainly used in transmission visits movement, and smooth bar part is used for Xiamen door and moves
Dynamic spacing.
Further, above-mentioned automatic safety door also includes cover plate, and cover plate is connected with safety door framework, mainly for the protection of upper
Lower door drive mechanism and prevent the upper and lower door drive mechanism of operator's false touch from causing personal injury.
The present invention has a following beneficial effect:
1. width of visiting is the twice of Xiamen, and stroke of visiting is the twice of Xiamen, and translational speed of visiting is the twice of Xiamen.
2., when servomotor drives, visit and Xiamen moving direction is contrary, it is possible to achieve the closure up and down of safety door, meet
Punching operation.
3. the servo drive system of safety door is synchronous with press slide., slide block to during top dead-centre movement, open by safety door；
To during bottom dead centre movement, safety door closes slide block, thus protecting operator safety.
4. safe grating can be strayed into deathtrap with further protection operator, improves secure ram.
Brief description
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the open and-shut mode schematic diagram of the present invention.
Fig. 3 is the servo drive system of the present invention, upper and lower door drive mechanism structural representation.
Fig. 4 is the screw structure schematic diagram of the present invention.
Specific embodiment
The overall structure figure of the automatic safety door with photoelectric protection for punching press as shown in Figure 1, including cover plate 1,
Safe grating 2, Xiamen 3, visit 4, safety door framework 5, installing plate 6；Safe grating 2 is connected with safety door framework 5, works as safety door
The non-normally closed of fault upper-lower door, when having operator to enter deathtrap, safe grating 2 delivers a signal to press slide motor
Control system, control press slide quit work；When safety door normally closed, when having operator to enter deathtrap,
Safe grating 2 delivers a signal to the servomotor of servo drive system, makes servomotor be in locking state, prevents safety door quilt
Artificially open by mistake.
Safety door open and-shut mode schematic diagram of the present invention as described in Figure 2.
It is illustrated in figure 3 the servo drive system of the present invention, upper and lower door drive mechanism structural representation.
Servo drive system include servomotor 27, motor base 28, a pair intermeshing spur gear 29 and spur gear 30,
Output main shaft 31, bevel gear 22, bevel gear 26, installing plate 6 and output spindle bearing holder 11.Servomotor 27 passes through motor base 28
It is connected with installing plate 6, spur gear 29 is arranged on servomotor 27 output shaft, spur gear 30 is arranged on output main shaft 31, directly
Gear 29 passes through to engage transmission servomotor power with spur gear 30, and bevel gear 22 is arranged on output main shaft 31 left end, bevel gear
26 are arranged on output main shaft right-hand member, and output main shaft 31 is passed through output spindle bearing holder 11 and is fixedly connected with installing plate 6, installing plate 6
It is fixedly connected with safety door framework 5；
Up and down door drive mechanism include bevel gear 20, Xiamen ball-screw 21, ball-screw 24 of visiting, Xiamen 3, visit 4,
Oil-free bushing slide block 22, ball-screw bearing block 10, ball-screw nut 23, bevel gear 25.Wherein, bevel gear 20 is arranged on down
Door ball-screw 21 input, oil-free bushing slide block 22 (1), 22 (2) is arranged on Xiamen ball-screw 21 smooth bar part, ball wire
Thick stick nut 23 (1), 23 (2) is arranged on Xiamen ball-screw 21 screw portion, and oil-free bushing slide block 22 (3), 22 (4) is arranged on
Door ball-screw 24 smooth bar part, ball-screw nut 23 (3), 23 (4) is arranged on ball-screw 24 screw portion of visiting, and bores tooth
Wheel 25 is arranged on ball-screw 24 input of visiting, and it is dynamic that ball-screw 21 of visiting engages transmission by bevel gear 20 with bevel gear 22
Power, Xiamen ball-screw 24 engages transmission power by bevel gear 25 with bevel gear 26.
The output main shaft 31 left end bevel gear 22 of servo drive system is defeated with the Xiamen ball screw of upper and lower door drive mechanism
Enter end cone gear 20 to engage, the rolling of visiting exporting main shaft 31 right-hand member bevel gear 26 and upper and lower door drive mechanism of servo drive system
Ballscrew input bevel gear 25 engages, and servo drive system passes through servomotor and slide motor and synchronously realizes control, when
During the downward dead-centre motion of slide block, Serve Motor Control upper-lower door closes, when slide block dead-centre motion upwards, on Serve Motor Control
Xiamen is opened.
It is the ball screw structure chart of the automatic safety door with photoelectric protection for punching press shown in Fig. 4.Xiamen ball
Leading screw 21 smooth bar part length is 2 times of screw portion, and screw portion is mainly used in transmitting Xiamen movement, and smooth bar part is used for
Door movement is spacing.Ball-screw 24 screw rod bar part length of visiting is 2 times of smooth bar part, and screw portion is mainly used in transmission
Door is mobile, and it is spacing that smooth bar part is used for Xiamen door movement.
Claims (3)
1. a kind of automatic safety door with photoelectric protection for punching press it is characterised in that: include safety door framework, safety light
Grid, servo drive system, upper and lower door drive mechanism,
Described servo drive system includes servomotor, motor base, output main shaft, spur gear, output spindle bearing holder, installing plate
And bevel gear；Described servomotor is connected with installing plate by motor base, and the output shaft of servomotor passes through one with output main shaft
The spur gear of engagement is connected, equipped with bevel gear, described output main shaft passes through to export spindle bearing holder at described output main shaft two ends
It is fixedly connected with installing plate, described installing plate is fixedly connected with safety door framework；
Described upper and lower door drive mechanism include bevel gear, ball-screw, visit, Xiamen, oil-free bushing slide block, ball-screw bearing
Seat；Described left end of visiting is fixedly connected with ball-screw nut respectively with Xiamen right-hand member, visit right-hand member and Xiamen left end respectively with
Oil-free bushing slide block is fixedly connected, and described ball-screw is connected with safety door framework by ball-screw bearing block, described ball
Leading screw input transmits transmission with servo drive system output main shaft by bevel gear；
Described safe grating is connected with safety door framework, when the non-normally closed of safety door fault upper-lower door, has operator to enter
During deathtrap, safe grating delivers a signal to the control system of press slide motor, controls press slide to quit work；Work as peace
During air cock normally closed, when having operator to enter deathtrap, safe grating delivers a signal to the servo of servo drive system
Motor, makes servomotor be in locking state, prevents safety door from artificially being opened by mistake；
The output main shaft left end bevel gear of described servo drive system and the Xiamen ball screw input of upper and lower door drive mechanism
Bevel gear engages, the ball screw of visiting exporting main shaft right-hand member bevel gear and upper and lower door drive mechanism of described servo drive system
Input bevel gear engages, and described servo drive system passes through servomotor and slide motor and synchronously realizes control, works as slide block
Downwards during dead-centre motion, Serve Motor Control upper-lower door closes, when slide block dead-centre motion upwards, Serve Motor Control upper-lower door
Open.
2. as claimed in claim 1 a kind of automatic safety door with photoelectric protection for punching press it is characterised in that described
Ball-screw has two, and wherein one ball-screw smooth bar part length is 2 times of screw portion, and screw portion is mainly used in
Transmission Xiamen is moved, and the smooth bar part movement that is used for visiting is spacing；Another ball-screw screw portion length is the 2 of smooth bar part
Times, screw portion is mainly used in transmission visits movement, and it is spacing that smooth bar part is used for Xiamen door movement.
3. as claimed in claim 1 a kind of automatic safety door with photoelectric protection for punching press it is characterised in that described
Automatic safety door also includes cover plate, and described cover plate is connected with safety door framework, mainly for the protection of upper and lower door drive mechanism and
Prevent the upper and lower door drive mechanism of operator's false touch from causing personal injury.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756042.7A CN106345934B (en) | 2016-08-30 | 2016-08-30 | A kind of automatic safety door with photoelectric protection for punching press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756042.7A CN106345934B (en) | 2016-08-30 | 2016-08-30 | A kind of automatic safety door with photoelectric protection for punching press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106345934A true CN106345934A (en) | 2017-01-25 |
| CN106345934B CN106345934B (en) | 2018-04-03 |
Family
ID=57857533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610756042.7A Active CN106345934B (en) | 2016-08-30 | 2016-08-30 | A kind of automatic safety door with photoelectric protection for punching press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106345934B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1452268A1 (en) * | 2003-02-25 | 2004-09-01 | Hennig Holding GmbH | Telescopic cover |
| CN2895363Y (en) * | 2006-01-25 | 2007-05-02 | 司圣德 | Safety protective door for building lifter |
| CN104493634A (en) * | 2014-12-04 | 2015-04-08 | 亚登光电科技（江苏）有限公司 | Protection door structure of lathe |
| CN204603956U (en) * | 2015-05-20 | 2015-09-02 | 江苏信合众泰精密机械有限公司 | Machine tool protective device |
| CN105174130A (en) * | 2015-08-18 | 2015-12-23 | 广西大学 | Gear lifting mechanism |
-
2016
- 2016-08-30 CN CN201610756042.7A patent/CN106345934B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1452268A1 (en) * | 2003-02-25 | 2004-09-01 | Hennig Holding GmbH | Telescopic cover |
| CN2895363Y (en) * | 2006-01-25 | 2007-05-02 | 司圣德 | Safety protective door for building lifter |
| CN104493634A (en) * | 2014-12-04 | 2015-04-08 | 亚登光电科技（江苏）有限公司 | Protection door structure of lathe |
| CN204603956U (en) * | 2015-05-20 | 2015-09-02 | 江苏信合众泰精密机械有限公司 | Machine tool protective device |
| CN105174130A (en) * | 2015-08-18 | 2015-12-23 | 广西大学 | Gear lifting mechanism |
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| Publication number | Publication date |
|---|---|
| CN106345934B (en) | 2018-04-03 |
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Effective date of registration: 20200325 Address after: 223700 Taihu Road, Siyang Economic Development Zone, Suqian, Jiangsu Patentee after: SIYANG MINGYUXING PRECISION MACHINERY Co.,Ltd. Address before: 212013 Zhenjiang City, Jiangsu Province University Road, No. 301 Patentee before: JIANGSU University |