CN2190542Y - Common safety device for cover-type carpenter planer - Google Patents
Common safety device for cover-type carpenter planer Download PDFInfo
- Publication number
- CN2190542Y CN2190542Y CN 93246395 CN93246395U CN2190542Y CN 2190542 Y CN2190542 Y CN 2190542Y CN 93246395 CN93246395 CN 93246395 CN 93246395 U CN93246395 U CN 93246395U CN 2190542 Y CN2190542 Y CN 2190542Y
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- Prior art keywords
- locking
- guard shield
- contained
- join
- wallboard
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Abstract
The utility model provides a shield type common safety device for carpenter's flat planers, which relates to a photoelectric control inner shield type common safety device for carpenter's flat planers. The utility model which belongs to woodworking processing machinery. A structure is provide with an inner shield mechanism, a mechanical transmission mechanism, an electromagnetic mechanism, a stopping and locking mechanism and an opening mechanism. A photoelectric control system is composed of a main motor running circuit, a controlling closed circuit and a protective circuit. An inner shield of the inner shield mechanism is arranged at the lower side of the outer part of a planer tool shaft. The inner shield is provided with a balancing weight. The mechanical transmission mechanism is provided with a connecting rod, a connecting plate, an inner depended wheel locking plate, a closed pull rod and a close spring. The stopping and locking mechanism is provide with a stopping and locking hook, a stopping and locking pull rod and a stopping and locking spring. The opening mechanism comprises an opening footplate, an opening rod, an opening cross rod and an opening pedal.
Description
It is guard shield wood surface planer safety device in a kind of photo-electric control that the utility model safety cover type locker wood surface planer universal safety device relates to, and belongs to wood processing machinery.
Wood surface planer is one of most popular equipment in the machinery.Planing is that timber is processed the basic working procedure in every operation, and it is to finish with the relative high-speed motion between the planing tool by wooden workpiece.According to the quality requirement of workpiece, the rotating speed of bit shaft is generally more than per minute 4000 changes.When operator's finger is pressed in the lip that passes through planing machine platen on the workpiece, often, on planing tool, hinder self-explanatory characters' event thereby cause finger to fall because of the joint of the scar on the timber is beated workpiece.According to the interrelated data introduction, flat planing machine year accident rate about 1/10th, the height of its accident frequency causes people's attention.The wood surface planer that current China is using or producing, though the safety device of all styles of mostly has been installed, undesirable, the problem of existence has the following aspects: the safety device that has can not effectively guarantee safety; Has plenty of complex structure, not easy-maintaining; It is too high to have plenty of operation inconvenience influence production or cost, not too practical.Owing to above these reasons, limited promoting the use of of these safety devices, so the safety that labourer works can not get practical assurance on flat planing machine.
Before this, we had once developed a kind of patent No. is 87208359 wood surface planer dual fail-safe finger device, though this device has breakthrough technically, interior guard shield closing time also is in the prostatitis in the like product at home, and closing time is still more than 60 milliseconds.In addition, it also can't be directly used on the flat planing machine of other models.
The purpose of this utility model provides a kind of safety cover type locker thicknessing and planning machine universal safety device, adopts interior guard shield mechanism, ends lock, opener, is realized the purpose of safe finger shield by machine driving, electromagnet mechanism by photo-electric control.This apparatus structure is simple, safe and practical, easy to operate.
Safety cover type locker wood surface planer universal safety device takes following mode to realize: safety cover type locker wood surface planer universal safety device, form by the Light Electronic Control System of interior guard shield mechanism, mechanical transmission mechanism, electromagnet mechanism, locking mechanism, opener, generation signal.Interior guard shield mechanism tool bit shaft, bit shaft are contained on the wallboard bearing, and planing tool is contained in the bit shaft outside, and interior guard shield is contained in the bit shaft outer lower side, on the interior guard shield balancing weight is housed.Mechanical transmission mechanism is by connecting rod, connecting plate, inner relying wheel, end jam plate, closed pull bar, inner relying wheel axle, closing spring group and constitute.Connecting rod and connecting plate flexibly connect, and the inner relying wheel axle rests on the planer wallboard, connecting plate, inner relying wheel, end jam plate, closed pull bar all is contained on the roller axle, it is suitable for reading that closing spring group upper end hangs over the lathe wallboard, the lower end links to each other with connecting plate.Locking mechanism by have only latch hook, only lock pull bar, end lock hook shaft, only lock spring, position-limited shock absorber, end jam plate; End lock hook shaft and rest on the lathe wallboard, end latch hook and rotate, end jam plate and be contained on the roller axle around it, the other end is contained in only in the latch hook, only locks the spring upper end and is connected with latch hook only, and the lower end is fixed on the wallboard, only lock pull bar and be contained in only latch hook bottom, limit shock absorber is fixed on the planer wallboard.Electromagnet mechanism is made of locking electromagnet, closing electromagnets, and the locking electromagnet is separately fixed on the wallboard with closing electromagnets, locking electromagnet upper end with end latch hook and link to each other, be connected with inner relying wheel on the closing electromagnets.Opener is opened pedal by comprising, opens spring, opens straight-bar, is opened cross bar, all-or-nothing piece axle, opening pedal can be up and down by the lathe sidewall paneling, opening cross bar is contained on the all-or-nothing piece axle, can rotate around the all-or-nothing piece axle, this all-or-nothing piece axle is fixed on the lathe sidewall paneling, open the straight-bar lower end and open the cross bar connection, the upper end is fixed on the connecting plate.
The Light Electronic Control System circuit is made up of guard shield closed circuit, holding circuit in main motor operation circuit, the control.Main motor operation circuit is by motor D, stop button TA, starting button QA, A.C. contactor C
1, electrothermal relay RJ constitutes.Motor D is to drive bit shaft motor rotating, its three terminals D
1, D
2, D
3, R wherein
1, D
3Join D with electric heating winding among the electrothermal relay RJ
2With A.C. contactor C
1In a normally opened contact join.The end of stop button TA and power supply X
21Join, the other end is with starting button QA and exchange contact point C
1An auxiliary normally opened contact join, wherein an end and stop button TA join, an end and A.C. contactor C
1Coil join A.C. contactor C
1The other end and the normally-closed contact among the electrothermal relay RJ join normally opened contact one end and the A.C. contactor C of RJ
1A coil-end join the other end and power supply X
22Join.NA is interior guard shield closed-system operating switch, when the NA switch contact is closed, and interior guard shield electric control system work.
The guard shield closed circuit is by photoelectric switch GDK in the control
1, GDK
2, pulse shaping device KCF, bidirectional triode thyristor SCR, relay J
2, electromagnet DT
1, DT
2, time relay JS, A.C. contactor C
2Constitute.Photoelectric switch GDK
1Miniature relay J is housed
1, photoelectric switch GDK
2It is optoelectronic switch with level output.Holding circuit is by piezo-resistance MY
1, MY
2, MY
3, MY
4Constitute.CDK
1And CDK
2Form logic control circuit.
Safety cover type locker wood surface planer universal safety device; by having the interior guard shield of balancing weight; adopt spring energy-storage; the electromagnet double action is with supplying energy; and design efficient non-contact circuit; adopt the electro-optical system control circuit, thereby guard shield is closed the personal safety that cutter shaft is avoided the bit shaft injury operator finger of rotation at a high speed, efficient protection workman is arranged in can making in 40 milliseconds.This apparatus structure is simple, safe and practical, easy to operate, and is cheap, both can install on the flat planing machine of coming of new, uses on old thicknessing and planning machine again, is used for scrap build, is the universal safety device of carpenter's flat plane.
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is a safety cover type locker wood surface planer universal safety apparatus structure schematic diagram.
Fig. 2 is the utility model master motor operation circuit theory diagrams.
Fig. 3 is these real novel photoelectric control system circuit theory diagrams.
With reference to attached 1, the interior guard shield mechanism of safety cover type locker wood surface planer universal safety device has bit shaft (23), bit shaft is contained on bed piece wallboard (24) bearing, the position is contained in front console, between the aftertable (25), locate near main motor (D), planing tool is contained in the bit shaft outside, bit shaft (23) outer lower side is equipped with interior guard shield, balancing weight (22) is equipped with on the interior guard shield, the connecting rod of mechanical transmission mechanism (1) is contained on the balancing weight (22), connecting plate (5) is contained in connecting rod (1) bottom, for flexibly connecting, inner relying wheel axle (21) rests on the planer wallboard, connecting plate (5), inner relying wheel (4), end jam plate (18), closed pull bar (20), all be contained on the roller axle, it is suitable for reading that closing spring group (6) upper end hangs over the lathe wallboard, and the lower end links to each other with connecting plate (5).The lock hook shaft (15) that ends of locking mechanism is contained on the lathe wallboard, only latch hook (7) only is contained in and can sways on the lock hook shaft, ending jam plate (18) one ends is contained on the roller axle (21), the other end is contained in and ends in the latch hook (7), only lock spring (16) and end latch hook and be connected, only lock pull bar (8) and be contained in only latch hook (7) bottom, position-limited shock absorber (17) also is housed in the locking mechanism, be fixed on the wallboard (24).Open pedal (12) in the opener, pass the lathe sidewall paneling, open cross bar (14) and be contained on the all-or-nothing piece axle, the all-or-nothing piece axle is fixed on the lathe wallboard, open straight-bar (13) upper end and be fixed on the connecting plate (5), open the straight-bar lower end and link to each other with the unlatching cross bar.Open spring (10) one ends and be contained on the unlatching pedal (12), the other end is contained on the wallboard.The locking electromagnet (9) of electromagnet mechanism is fixed on the wallboard that ends latch hook (7) bottom, locking electromagnet upper end with end latch hook and link to each other, closing electromagnets (19) is fixed on the wallboard of inner relying wheel (4) bottom, and the closing electromagnets upper end is connected with inner relying wheel (4).
With reference to accompanying drawing 2,3, the Light Electronic Control System circuit mainly is made of guard shield closed circuit, holding circuit in main motor operation circuit, the control.Main motor operation circuit is by motor D, stop button TA, starting button QA, A.C. contactor C
1, electrothermal relay RJ constitutes.The guard shield closed circuit is mainly by photoelectric switch GDK in the control
1, GDK
2, pulse shaping device KCF, bidirectional triode thyristor SCR, relay J
2, electromagnet DT
1, DT
2, time relay JS, A.C. contactor C
2Constitute photoelectric switch GDK
1, by X
31And X
22Provide power supply to it, transmitting terminal lamp XD
1By wire size is the lead and the GDK of (7), (9)
1Join.Work as XD
1The light of emission projects 3DV
1On, this moment J
1Adhesive, its normally-closed contact (29) disconnects with (31), otherwise works as XD
1The processed timber of light of emission covers and can not project 3DV
1On, J at this moment
1Dead electricity, (29) are connected with (31).Photoelectric switch GDK with level output
2, it is by X
31And X
22Provide power supply to it, transmitting terminal lamp XD
2By lead (15), (17) and GDK
2Connect receiving terminal phototriode 3DV
2By lead (19), (21) and GDK
2Link.Work as XD
2The light of emission projects 3DV
2On, this moment its level output end (25) to pulse shaping device KDF output low level, otherwise can not project on the 3DV2 when the processed timber of light of XD2 emission covers, at this moment output 25 is to KCF output high level.Simultaneously GDK2 by lead (23), (27) to KCF provide+,-dc source.Pulse shaping device KCF links to each other with GDK2 by lead, bidirectional triode thyristor SCR anode and X31 join, cathode terminal (35) joins with three main contacts of A.C. contactor C2, the control utmost point (33) and current-limiting resistance R join, and SCR controllable silicon conducting X31 connects with (35) when input is arranged at control panel (33).The main contacts (37) of one end of the control coil of miniature circuit breaker J2 and A.C. contactor C2 joins, and the other end and power supply X22 join.One end of its coil of electromagnet DT1 and the main contacts of A.C. contactor C2 join, and the other end and power supply X22 join.Its energising adhesive only makes, and the interior guard shield of stopper piece relieving can turn round closure.The main contacts (41) of one end of electromagnet DT1, DT2 coil and A.C. contactor C2 joins, and the other end and power supply X22 join, the closure of guard shield in its energising adhesive is quickened.Time relay JS, its end and J2 relay normally open contact (43) join, and the other end connects with power supply X22, and time relay JS can set the time of controllable silicon conducting.One end of A.C. contactor C2 control coil and time relay JS time-delay normally-closed contact join, and the other end and power supply X22 link.Holding circuit is made of piezo-resistance MY1, MY2, MY3, MY4 etc.Two ends of MY2 join with DT1 and two ends respectively, and two ends of MY3 join with the positive and negative utmost point of controllable silicon SCR respectively.Two ends of MY4 join with two ends of DT2 respectively.
In normal planing process, the triggering signal of guard shield action in the electro-optical system circuit does not produce and makes, to guarantee the High-efficient Production of flat planing machine, in case and spring takes place or falls back in timber, when permanent disability might take place in operator's hand, photoelectric switch CDK1, CDK2 makes pulse shaping device KCF produce a triggering signal, controllable silicon SCR is conducting immediately, make closing electromagnets (19) and locking electromagnetic block (9) simultaneously, the tractive force that locking electromagnet (9) produces overcomes the pulling force of only locking extension spring (16) forces that only to lock pull bar downward, thereby make only latch hook (7) do the clockwise direction rotation around ending lock hook shaft (15), relieving is to ending the control of jam plate (18), the pulling force of closed extension spring group (6) drives connecting plate (5) and does counterclockwise to rotate with coaxial inner relying wheel (4), it is downward to drive bar (1), make balancing weight (22) and interior guard shield (26) do the clockwise direction rotation, meanwhile, the tractive force that closing electromagnets (19) produces, make closed pull bar (20) downward, thereby make inner relying wheel (4), connecting rod (5) is done rotation counterclockwise, make connecting rod (1) downward, also make balancing weight (22) and interior guard shield (26) clockwise direction rotation, under this effect aspect two, interior guard shield is with rapid closing.Measure according to instrument, closing time is in 40ms.This just can make operator's finger before not dropping into the planing tool mouth, and with the bit shaft sealing, like this, operator's finger can be protected interior guard shield.
After the interior guard shield closure, during guard shield, only need step on a lower footplate (12) in need opening, just can make all-or-nothing piece axle (11) do the clockwise direction rotation, thereby make connecting rod (1) upwards, open interior guard shield (26) recovery position shown in Figure 1.
Claims (3)
1, a kind of safety cover type locker wood surface planer universal safety device, have interior guard shield mechanism, mechanical transmission mechanism, electromagnet mechanism, constitute main motor operation circuit by motor (D), stop button (TA), starting button (QA), A.C. contactor (C1), electrothermal relay (RJ), it is characterized in that also having locking mechanism, guard shield closed circuit in the opener, control; The interior guard shield of interior guard shield mechanism is contained in bit shaft (23) outer lower side, and balancing weight (22) is housed on the interior guard shield; Mechanical transmission mechanism ends jam plate (18), closed pull bar (20), inner relying wheel axle (21), closing spring group (6) formation by connecting rod (1), connecting plate (5), inner relying wheel, connecting rod (1) is contained on the balancing weight (22), connecting plate (5) is equipped with in connecting rod (1) bottom, connecting rod and connecting plate flexibly connect, inner relying wheel axle (21) rests on the planer wallboard, connecting plate (5), inner relying wheel (14), end jam plate (18), closed pull bar (20) all is contained on the roller axle, it is suitable for reading that closing spring group (6) upper end hangs over the lathe wallboard, and the lower end links to each other with connecting plate (5); Locking mechanism by have only latch hook (7), only lock pull bar (8), end lock hook shaft, only lock spring (16), position-limited shock absorber (17), end jam plate (18), ending lock hook shaft rests on the lathe wallboard, ending latch hook rotates around it, ending jam plate (18) is contained on the roller axle (21), the other end is contained in and ends in the latch hook (7), only locking spring (16) upper end is connected with latch hook (7) only, the lower end is fixed on the wallboard, only lock pull bar (8) and be contained in only latch hook (7) bottom, limit shock absorber (17) is fixed on the planer wallboard (24); Opener comprises unlatching pedal (12), unlatching spring (10), unlatching straight-bar (13), opens cross bar (14), all-or-nothing piece axle, opens and ride, opening pedal (12) is contained on the all-or-nothing piece axle by lathe sidewall paneling, unlatching cross bar (14), open straight-bar (13) lower end and open cross bar (14) connection, the upper end is fixed on the connecting plate (5)
The guard shield closed circuit is by photoelectric switch (GDK1, GDK2), pulse shaping device (KCF1) bidirectional triode thyristor (SCR) in the control; relay (J2); electromagnet (DT1, DT2), the time relay (JS), A.C. contactor (C2) constitute; photoelectric switch (GDK1) is equipped with miniature relay (J1); photoelectric switch (GDK2) has level output optoelectronic switch, and holding circuit is made of piezo-resistance.
2, safety cover type locker wood surface planer universal safety device according to claim 1, in it is characterized in that controlling in the guard shield closed circuit transmitting terminal lamp (DX1) join by lead and photoelectric switch (GDK1), receiving terminal phototriode (3DV1) by lead with (GDK1) join, the transmitting terminal lamp (XD2) of photoelectric switch (GDK2) is connected with (GDK2) by lead, receiving terminal phototriode (3DV2) is linked by lead and GDK2, pulse shaping device KCF links to each other with (GDK2) by lead, bidirectional triode thyristor (SCR) anode and (X31) joining, three contacts of cathode terminal and A.C. contactor (C2) join, the control utmost point and current-limiting resistance (R) join, the main contacts of one end of the control coil of miniature relay (J2) and A.C. contactor (C2) joins, the other end and power supply join, electromagnet (DT1, DT2) coil one end joins with the main contacts of A.C. contactor (C2) respectively, the other end links with power supply (X22) respectively, one end of the time relay (JS) joins with (J2) relay normally open contact, the other end connects with power supply (X22), one end of A.C. contactor (C2) control coil and the time relay (JS) time-delay normally-closed contact join, and the other end and power supply (X22) link.
3, safety cover type locker wood surface planer universal safety device according to claim 1, it is characterized in that electromagnet mechanism is made of locking electromagnet (9), closing electromagnets (10), locking electromagnet (9) is separately fixed on the wallboard with closing electromagnets (10), locking electromagnet (9) upper end with end latch hook (7) and link to each other, be connected with inner relying wheel (4) on the closing electromagnets (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93246395 CN2190542Y (en) | 1993-12-13 | 1993-12-13 | Common safety device for cover-type carpenter planer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93246395 CN2190542Y (en) | 1993-12-13 | 1993-12-13 | Common safety device for cover-type carpenter planer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2190542Y true CN2190542Y (en) | 1995-03-01 |
Family
ID=33819091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93246395 Expired - Fee Related CN2190542Y (en) | 1993-12-13 | 1993-12-13 | Common safety device for cover-type carpenter planer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2190542Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105235017A (en) * | 2015-10-29 | 2016-01-13 | 河南理工大学 | Electric saw emergency braking control device |
| CN105993366A (en) * | 2016-06-15 | 2016-10-12 | 宁波大叶园林设备有限公司 | Safety device capable of automatically locking operating lever and realizing unlocking by button and applied to mowing machine |
| CN114799308A (en) * | 2022-04-29 | 2022-07-29 | 青岛工程职业学院 | Intelligent shaper |
-
1993
- 1993-12-13 CN CN 93246395 patent/CN2190542Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105235017A (en) * | 2015-10-29 | 2016-01-13 | 河南理工大学 | Electric saw emergency braking control device |
| CN105993366A (en) * | 2016-06-15 | 2016-10-12 | 宁波大叶园林设备有限公司 | Safety device capable of automatically locking operating lever and realizing unlocking by button and applied to mowing machine |
| CN114799308A (en) * | 2022-04-29 | 2022-07-29 | 青岛工程职业学院 | Intelligent shaper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |