CN2790623Y - Safety protection device for punching press - Google Patents
Safety protection device for punching press Download PDFInfo
- Publication number
- CN2790623Y CN2790623Y CN 200520034029 CN200520034029U CN2790623Y CN 2790623 Y CN2790623 Y CN 2790623Y CN 200520034029 CN200520034029 CN 200520034029 CN 200520034029 U CN200520034029 U CN 200520034029U CN 2790623 Y CN2790623 Y CN 2790623Y
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- CN
- China
- Prior art keywords
- connecting rod
- pressing equipment
- safety guard
- equipment safety
- detecting head
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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.)
- Expired - Fee Related
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Abstract
The utility model relates to a safety protection device for punch presses. One end of a connecting rod (3) is connected with a traction electromagnet (10) which is connected with a controller, wherein the connecting rod (3) is sheathed with a spring (6); the other end of the connecting rod (3) is connected with a ' figure seven'-shaped brake rod (1), a 'figure seven' head of which is in contact with a key handle (9) of a turn key of the punch presses. In the process that a worker for the punch presses operates the punch presses, hands or a cramping device enters the space between an upper and a lower dies, the utility model can probe signals in time and can implement protection actions in time. The utility model has the characteristics of safety, simple structure, convenient operation and convenient maintenance, and is suitable for the punch presses, and can also be used for shears, benders, etc.
Description
Technical field
The utility model relates to protective device, and especially a kind of punch press workman provides the pressing equipment safety guard of safeguard protection in operation pressing equipment process.
Background technology
At present, punching apparatus needs puncher human hand or anchor clamps workpiece to be put or taken out up and down between the mould in compacting workpiece process, in case but lathe breaks down, operator's hand is difficult to leave this hazardous area between the mould up and down, operator's safety is difficult to be protected, at above-mentioned situation, can adopt the easiest method, in operating system, adopt the mode of biswitch series connection to control executor exactly, this requires the operator must the right-hand man to press two switches simultaneously could control electromagnetic actuation, equipment just can be finished punching press action, so just can make operating personnel's both hands district out of danger, though this method is simple, but operating personnel are difficult to accomplish that another kind of protected mode is to adopt infrared ray correlation mode simultaneously to form a detection faces near the operator before the equipment workbench, when the lathe slide block down, in case have hand or object to enter this detection faces, this safety will be controlled ratchet mechanism, make lathe turn key closure, thereby make the lathe slide block can not be descending, this method is comparatively advanced reliable, but its detection faces is too near the operator, careless slightly misoperation will take place, moreover complex structure, because the device of an emission and acceptance is respectively arranged about platen, very inconvenient during operation, install and keep in repair all inconveniences, and the fault rate height; On the market a kind of patented product is arranged now; denomination of invention is: the automatically controlled protector of forcing press; this safety is to increase an electromagnetic control apparatus on the lathe control stick; promptly after operating personnel are pressing operator; in an of short duration response time; solenoid gets electric, and middle iron core has magnetic field to be pulled together, and it is descending that control stick can be controlled lathe because of electromagnetism connects.After response time, the solenoid dead electricity, middle iron core does not have magnetic field can not adhesive, and it is descending that control stick just can not be controlled lathe, and this safety seems safety, but hidden danger remains.But its control control stick; when the executor of control stick drive breaks down; in the time of can not resetting as executor back-moving spring fracture or when turn key handle and executor block may wear to a certain degree; the capital causes lathe " a chain of car ", and this moment, this safety can not provide safeguard protection.
Summary of the invention
The purpose of this utility model provides a kind of punch press workman in operation pressing equipment process, in case hand or anchor clamps enter up and down between the mould, can in time detect signal, can in time implement the protection action again, and the pressing equipment safety guard that can be reported to the police.
In order to achieve the above object; the technical solution of the utility model is: a kind of pressing equipment safety guard; one end of connecting rod is connected with tractive magnet; tractive magnet is connected with controller; be with spring on the connecting rod; the other end of connecting rod is connected with the brake bar that is " 7 " font, and " 7 " prefix of brake bar contacts with the turn key key lever of punching apparatus.
Described controller is by power supply, transformer, rectifier bridge, circuit of three-terminal voltage-stabilizing integrated, filter capacitor, tongue tube, detecting head is formed, wherein power supply phase line one tunnel is connected with the primary end, connect with an end of tractive magnet through relay contact in another road, zero line links to each other with the tractive magnet other end with transformer secondary output, transformer secondary output links to each other with rectifier bridge two inputs respectively, the positive output end of rectifier bridge is connected with circuit of three-terminal voltage-stabilizing integrated, the negative output terminal and the circuit of three-terminal voltage-stabilizing integrated of rectifier bridge are held over the ground, relay contact, the detecting head negative terminal links to each other, filter capacitor is parallel to circuit of three-terminal voltage-stabilizing integrated, the positive level end of filter capacitor is gone back and tongue tube, the detecting head anode links to each other, the positive level end of filter capacitor through SR respectively with relay, current-limiting resistance and red alarm indicator lamp, buzzer links to each other; Link to each other with relay contact Chang Kaiduan respectively after relay, red led, the buzzer other end and the downlink connection, link to each other with the detection head output through switch again.Described detecting head is fixed on the permanent magnetic support.
Detecting head in this programme is installed in the closed place of pressing equipment die orifice; the detecting head investigative range can be adjusted arbitrarily according to the closed length of die orifice; also can select the detecting head of different investigative ranges as required; detecting head points to should be parallel with die orifice; parallel with workbench; when there is hand in this hazardous area of mould about the pressing equipment; detecting head will be controlled the tractive magnet adhesive with the signal via controller that detects; brake bar is opened under the transmission of connecting rod; the turn key key lever of pressing equipment is blocked in 3/5ths places of descending semicircle; thereby it is descending that the lathe slide block can not be continued; stop at 3/5ths places of descending whole process; after pressing SR; the tractive magnet dead electricity discharges, and brake bar is reset to reset condition under the spring action on the connecting rod; such executing agency just can make slide block can not dash down at some particular case, for the punch press workman provides safeguard protection in operation pressing equipment process.
The utility model has the advantages that: the punch press workman is in operation pressing equipment process; when having hand or anchor clamps to enter up and down between the mould; this device can in time detect signal, can in time implement the protection action again, and have characteristics safe and reliable, simple in structure, easy to use, that be convenient to keep in repair.
Description of drawings
Fig. 1 is that the utility model is installed in the mounting structure schematic diagram on the pressing equipment;
Fig. 2 is the circuit diagram of the utility model middle controller;
Fig. 3 is structural relation between fan-shaped steel plate 16, permanent magnet, the tongue tube and a scheme of installation in the utility model;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is detecting head 15 scheme of installations in the utility model.
The specific embodiment
Below in conjunction with embodiment the present invention is further detailed
The structure of the utility model pressing equipment safety guard is as shown in Figure 1: mainly by brake bar 1; connecting rod 3; clamping plate 4; mount pad 5; spring 6; nut 7; tractive magnet 10; controller constitutes; 2 expression braking pole sockets; the executor of 8 expression pressing equipments; the curved plate of 11 expression pressing equipments; wherein an end of connecting rod 3 is connected with tractive magnet 10; tractive magnet 10 is connected with controller; be with spring 6 on the connecting rod 3; the other end of connecting rod 3 is connected with the brake bar 1 that is " 7 " font, and " 7 " prefix of brake bar 1 contacts with the turn key key lever 9 of punching apparatus.(controller generally be installed in lathe fuselage side or about all can, but the operator should be faced in the controller front, the controller bottom surface is connected with support, support is connected with lathe bed again, also can directly controller be installed in lathe power supply box top).
See Fig. 1, shown in Figure 2: described controller is by power supply, transformer, rectifier bridge, circuit of three-terminal voltage-stabilizing integrated, filter capacitor, tongue tube, detecting head is formed, wherein power supply phase line one tunnel is connected with power switch K1 and transformer B primary side, connect with an end of tractive magnet 10 through relay contact J2 in another road, B level of zero line and transformer links to each other with tractive magnet 10 other ends, resistance R 3, capacitor C 4 is parallel to relay contact J2 two ends, purpose is for eliminating the relay adhesive, discharge the spark setting that produces, B level of transformer links to each other with rectifier bridge two inputs respectively, the positive output end of rectifier bridge is connected with circuit of three-terminal voltage-stabilizing integrated IC, the negative output terminal of rectifier bridge and circuit of three-terminal voltage-stabilizing integrated IC hold over the ground, relay contact J1, the detecting head negative terminal links to each other, filter capacitor C1, C2 carries out filtering before and after being parallel to circuit of three-terminal voltage-stabilizing integrated IC, thereby obtains galvanic current; The green power supply indicator lamp is parallel to positive and negative two ends through resistance R 1, the positive level end of filter capacitor C1, C2 also links to each other with tongue tube GJ, detecting head anode, capacitor C 3 is parallel to tongue tube GJ two ends and shields, and the positive level end of filter capacitor C1, C2 links to each other with relay, current-limiting resistance R2 and red alarm indicator lamp, buzzer respectively through SR AN (normally closed); Relay, red led, the buzzer other end link to each other with relay contact J1 Chang Kaiduan respectively after connecting, (closed is work through K switch 2 again, be broken as detection) link to each other with the detection head output, green, red led can also be indicated power supply and warning by normally closed often the coming of relay J 1 contact through current-limiting resistance with the variable color light emitting diode, in addition, detecting head of the present utility model can be for optoelectronic switch, also can be Thermoelectric Infrared Sensor.(the utility model preferably is installed in the lathe right side, it is clutch one side, the installation optimum position of brake bar 1 is the tangent position L of the braking pole socket as far as possible close turn key key lever 9 top rotational circle D in 2 centers, and suffered power just acts directly on the brake bar when making brake bar 1 braking like this).
See shown in Figure 3: the tongue tube GJ in the controller is installed in bakelite base 2 chambeies, also be provided with permanent magnet ZT in the chamber of bakelite base 2, between permanent magnet ZT and tongue tube GJ, fan-shaped steel plate 16 is installed, fan-shaped steel plate 16 is installed on the crankshaft end-face of pressing equipment brake disc one side, and bakelite base 2 is installed in pressing equipment bed piece top by support 13.Controller can be made into box-like, can make of steel plate, also available injection-moulding plastic.Support 13 is fixed on the pressing equipment top.Magnetic field between permanent magnet ZT and the tongue tube GJ is controlled by fan-shaped steel plate 11, and permanent magnet ZT and tongue tube GJ lay respectively in the left and right sides cavity of bakelite base 2.Tongue tube control section also available metal replaces near switch, but needs to keep fan-shaped steel plate, and the installation of fan-shaped steel plate need be overturn 180 °.
See that Fig. 1 also as can be known: connecting rod 3 is connected with an end of lower link 12 by clamping plate 4, and the other end of lower link 12 connects tractive magnet 10.Fishplate 4 is docked connecting rod 3 with lower link 12.And can be in length to fishplate 4 adjusted connecting rods 3.Spring 6 one ends on the connecting rod 3 are spacing by nut 7, and spring 6 other ends are spacing by the mount pad 5 that is installed on the connecting rod 3, and this section of connecting rod that nut 7 is installed is provided with screw thread.Connecting rod 3 is connected with brake bar 1 by connecting pin 16.Connecting rod 3 is provided with screw thread, its objective is the tension force that can come regulating spring 6 by nut 7.
See that Fig. 5 also as can be known: described detecting head 15 is fixed on the permanent magnetic support 14.Permanent magnetic support 14 turns clockwise, adhesive this moment, and permanent magnetic support 14 is rotated counterclockwise, and loosen this moment, installs easy to adjust like this.
The utility model is work like this, after tongue tube GJ bent axle when the lathe slide block down drives fan-shaped steel plate 16 rotations, because the effect of permanent magnet, tongue tube GJ is in closure state, therefore detecting head gets the work of electric back, in case have hand or anchor clamps in the detecting head zone this moment, detecting head will (K switch 2 must be work at closure state for relay J is connected power supply, be broken as detection), thereby make relay attracting electric relay J1, the J2 closure, this moment, the alarm indicator lamp was bright, buzzer sends yowl sound, tractive magnet 10 adhesives simultaneously drive lower link 12 and move down, lower link 12 drivening rods 3 move, and connecting rod 3 drives brake bars 1 and contacts with it near the turn key key lever 9 of punching apparatus, make the turn key key lever of pressing equipment be blocked in 3/5ths places of descending semicircle, thereby it is descending that the lathe slide block can not be continued, and stops at 3/5ths places of descending whole process.
Claims (7)
1, a kind of pressing equipment safety guard; it is characterized in that: an end of connecting rod (3) is connected with tractive magnet (10); tractive magnet (10) is connected with controller; be with spring (6) on the connecting rod (3); the other end of connecting rod (3) is connected with the brake bar (1) that is " 7 " font, and " 7 " prefix of brake bar (1) contacts with the turn key key lever (9) of punching apparatus.
2, pressing equipment safety guard according to claim 1, it is characterized in that: described controller is by power supply, transformer, rectifier bridge, circuit of three-terminal voltage-stabilizing integrated, filter capacitor, tongue tube, detecting head is formed, wherein power supply phase line one tunnel is connected with transformer (B) primary side, connect with an end of tractive magnet (10) through relay contact (J2) in another road, zero line links to each other with tractive magnet (1 ()) other end with transformer (B) is secondary, transformer (B) is secondary to link to each other with rectifier bridge two inputs respectively, the positive output end of rectifier bridge is connected with circuit of three-terminal voltage-stabilizing integrated (IC), the negative output terminal of rectifier bridge and circuit of three-terminal voltage-stabilizing integrated (IC) are held over the ground, relay contact (J1), the detecting head negative terminal links to each other, filter capacitor (C1, C2) be parallel to circuit of three-terminal voltage-stabilizing integrated (IC), filter capacitor (C1, C2) positive level end also with tongue tube (GJ), the detecting head anode links to each other, filter capacitor C1, the positive level end of C2 through SR (AN) respectively with relay (J), current-limiting resistance (R2) and red alarm indicator lamp (LED2), buzzer (BD) links to each other; Link to each other with relay contact (J1) Chang Kaiduan respectively after relay (J), red led (LED2), buzzer (BD) other end and the downlink connection, link to each other with the detection head output through switch (K2) again.
3, pressing equipment safety guard according to claim 1 and 2; it is characterized in that: the tongue tube in the controller (GJ) is installed in bakelite base (2) chamber; bakelite base (2) also is provided with permanent magnet (ZT) in the chamber; between permanent magnet (ZT) and tongue tube (GJ), fan-shaped steel plate (16) is installed; fan-shaped steel plate (16) is installed on the crankshaft end-face of pressing equipment brake disc one side, and bakelite base (2) is installed in pressing equipment bed piece top by support (13).
4, pressing equipment safety guard according to claim 1; it is characterized in that: spring (6) one ends on the connecting rod (3) are spacing by nut (7); spring (6) other end is spacing by the mount pad (5) that is installed on the connecting rod (3), and this section of connecting rod that nut (7) is installed is provided with screw thread.
5, pressing equipment safety guard according to claim 1 is characterized in that: connecting rod (3) is connected with an end of lower link (12) by clamping plate (4), and the other end of lower link (12) connects tractive magnet (10).
6, pressing equipment safety guard according to claim 1 is characterized in that: connecting rod (3) is connected with brake bar (1) by connecting pin (16).
7, pressing equipment safety guard according to claim 2 is characterized in that: described detecting head (15) is fixed on the permanent magnetic support (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520034029 CN2790623Y (en) | 2005-04-28 | 2005-04-28 | Safety protection device for punching press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520034029 CN2790623Y (en) | 2005-04-28 | 2005-04-28 | Safety protection device for punching press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2790623Y true CN2790623Y (en) | 2006-06-28 |
Family
ID=36806704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520034029 Expired - Fee Related CN2790623Y (en) | 2005-04-28 | 2005-04-28 | Safety protection device for punching press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2790623Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693346B (en) * | 2009-10-15 | 2011-04-20 | 张广宇 | Safety single-punch controller for punch |
| CN102989924A (en) * | 2012-08-20 | 2013-03-27 | 苏州孚杰机械有限公司 | Magnetic chuck for safe operation of friction press |
| CN103286219A (en) * | 2013-06-28 | 2013-09-11 | 苏州唐氏机械制造有限公司 | Stamping die with safety protection function |
| CN103507409A (en) * | 2013-09-19 | 2014-01-15 | 安庆市康明纳包装有限公司 | Safety device of bag making machine die |
| CN107649559A (en) * | 2017-11-11 | 2018-02-02 | 成都海逸机电设备有限公司 | A kind of mini-type punching system |
| CN107716780A (en) * | 2017-10-30 | 2018-02-23 | 天津普越金属制品有限公司 | Stamping machine promotes warning device |
-
2005
- 2005-04-28 CN CN 200520034029 patent/CN2790623Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693346B (en) * | 2009-10-15 | 2011-04-20 | 张广宇 | Safety single-punch controller for punch |
| CN102989924A (en) * | 2012-08-20 | 2013-03-27 | 苏州孚杰机械有限公司 | Magnetic chuck for safe operation of friction press |
| CN103286219A (en) * | 2013-06-28 | 2013-09-11 | 苏州唐氏机械制造有限公司 | Stamping die with safety protection function |
| CN103286219B (en) * | 2013-06-28 | 2015-02-18 | 苏州市启扬商贸有限公司 | Stamping die with safety protection function |
| CN103507409A (en) * | 2013-09-19 | 2014-01-15 | 安庆市康明纳包装有限公司 | Safety device of bag making machine die |
| CN107716780A (en) * | 2017-10-30 | 2018-02-23 | 天津普越金属制品有限公司 | Stamping machine promotes warning device |
| CN107649559A (en) * | 2017-11-11 | 2018-02-02 | 成都海逸机电设备有限公司 | A kind of mini-type punching system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060628 |