CN201300457Y - Plane protection device for woodworking machine - Google Patents
Plane protection device for woodworking machine Download PDFInfo
- Publication number
- CN201300457Y CN201300457Y CNU2008202160132U CN200820216013U CN201300457Y CN 201300457 Y CN201300457 Y CN 201300457Y CN U2008202160132 U CNU2008202160132 U CN U2008202160132U CN 200820216013 U CN200820216013 U CN 200820216013U CN 201300457 Y CN201300457 Y CN 201300457Y
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- CN
- China
- Prior art keywords
- elongated slot
- limit switch
- rotating shaft
- stock
- protective cover
- Prior art date
- 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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- Auxiliary Devices For Machine Tools (AREA)
Abstract
The utility model provides a plane protection device for woodworking machine, which can effectively confirm safety, when plane function can not be used without protective hood. The plane protection device comprises a protective hood detachably connected with a worktable, and a safety limit switch linked with a master control circuit, wherein the safety limit switch is mounted in a support of an iron plate; the support is mounted under the worktable; the upper and the lower cover boards of the support are provided with long grooves; the worktable is provided with holes at the parts corresponding to the long grooves; the protective hook is connected with a rotation shaft connected with a long rod; when the long rod is parallel to the axis of the long grooves, the rotation shaft and the long rod can penetrate through the long grooves; the rotation shaft is connected with the button of the safety limit switch via a transmission mechanism; when the rotation shaft penetrating through the long grooves rotates, and the long rod is not parallel to the axis of the long grooves, the rotation shaft can touch the button via the transmission mechanism, to change the safety limit switch from break state into close state.
Description
Technical field
The utility model relates to a kind of plane function protector of carpenter's machine, especially requires to install carpenter's double-purpose planer of protective cover and contains the plane function protector that uses on the combination carpenter machine that digs function.
Background technology
Present carpenter's double-purpose planer and contain the combination carpenter machine that digs function comprises workbench; Working-spindle; Running part, power section, governor circuit and protective cover.Because of its protective cover does not have the interlocking switch device, when not installing, protective cover can work equally, there is great handling safety hidden danger.Some has the boot band interlocking switching device of thicknessing and planning machine, but its installation site in the both sides of workbench, in some cases, workbench both sides inconvenience is installed, and perhaps can interfere with other parts.
Summary of the invention
The purpose of this utility model provides a kind of function of digging and can not work when protective cover is not installed, with the effective carpenter's machine plane function protector that guarantees safety.
This carpenter's machine comprises a protective cover that is detachably connected on the workbench with digging the function protector; Safe limit switch with the governor circuit interlock; Safe limit switch is installed in the carriage of iron plate, carriage be installed in workbench below, have elongated slot on the cover plate up and down of carriage, the position of corresponding elongated slot has the hole on the workbench; On protective cover, connect rotating shaft, connect stock in the rotating shaft; When stock was parallel with the axial direction of elongated slot, rotating shaft and stock can pass elongated slot; Rotating shaft is connected with the button of safe limit switch by transmission mechanism; When the rotating shaft of passing elongated slot is rotated and when making the axial direction of stock and elongated slot not parallel, rotating shaft makes safe limit switch become closure state by off-state by the transmission mechanism actuation button.
Its operation principle: because safe limit switch and governor circuit interlock that is to say that safe limit switch is in closure state, governor circuit just can be in path; Safe limit switch is in off-state, and governor circuit can not be in path.And the utility model has guaranteed to have only protective cover to be installed on the workbench, and rotating shaft and stock rotate after passing elongated slot, makes safe limit switch be in closure state, governor circuit just can be in path, digs function and could work, simultaneously, stock and elongated slot are not parallel, and protective cover can not be removed.Will take off protective cover from workbench, must rotating shaft when parallel with the axial direction of elongated slot, make stock to pass in elongated slot, and safe limit switch be in off-state at this moment to stock, governor circuit be in and opens circuit; Digging function can not work.Therefore can effectively guarantee safety operation.
As improvement, transmission mechanism be included as be arranged on the carriage rotating, circumferentially the cylinder of side cut is arranged, cylinder is coaxial with rotating shaft, is provided with and the stock corresponding grooves on the cylinder; When the axial direction of 21 stocks, groove and elongated slot was all parallel, rotating shaft and stock can pass elongated slot and enter in the groove; When cylinder contacted with button respectively by the side cut or the face of cylinder in radial direction, safe limit switch was in off-state or becomes closure state.Its operation principle: when the axial direction of stock, groove and elongated slot was all parallel, rotating shaft and stock passed elongated slot and enter in the groove; Rotating shaft this moment is rotated, and the stock in groove promptly drives cylinder and rotates.And cylinder circumferentially has side cut, contacts with button in the fooled cylindrical side cut of radial direction, and button is ejected by safe limit switch (inner spring).When cylindrical periphery of not cut edge contacts with button, button is pressed into safe limit switch.Button is pressed into or At time of eject, just safe limit switch generation state conversion (as becoming closure state from off-state).
In above-mentioned each scheme, when stock and elongated slot axial not parallel, though can prevent that protective cover is removed, but this structure only is that protective cover has been played the Primary Location effect, can't effectively play the effect of fixed blade guard, for this reason, as improvement, it also comprises and is used for protective cover is locked at locking member on the workbench.By this locking member, protective cover can be fixed on the workbench.
In above-mentioned each scheme, when the rotating shaft of passing elongated slot is rotated and when making the axial direction of stock and elongated slot vertical, safe limit switch is in closure state.
In above-mentioned each scheme, protective cover be installed in the top of workbench or below.The protective cover dual-use material, the protection cutter shaft does not need to be equipped with two protective covers when planer or thicknesser, saves cost.
In above-mentioned each scheme, a dividing plate is arranged in the middle of the protective cover, will advance bits mouthful, the passage relative closure of crumb mouth also has a dust suction interface that is used for external dust catcher and wood chip is siphoned away simultaneously on the protective cover.Dust suction interface on the protective cover can external dust catcher siphon away wood chip, protects operator's health, improves the quality of finished surface simultaneously.
The beneficial effects of the utility model: the necessary protection cover installs when 1, guaranteeing work, and protective cover is not installed can not turn round, and guarantees safety.2, protective cover can be installed to the top of workbench or below; protection cutter shaft when planer or thicknesser; dual-use material; do not need to be equipped with two protective covers; the dust suction interface of saving on cost 3, the protective cover can external dust catcher siphon away wood chip; protect operator's health, improve the quality of finished surface simultaneously.
Description of drawings
Fig. 1 is a front elevational schematic of the present utility model
Fig. 2 is that protective cover is installed in the schematic diagram (the A-A profile of Fig. 1) above the workbench
Fig. 3 is that protective cover is installed in the schematic diagram (the A-A profile of Fig. 1) below the workbench
Fig. 4 is the schematic diagram of protective cover and rotating shaft, stock etc.
Fig. 5 is the schematic diagram of safe limit switch, carriage etc.
Fig. 6 is the safe limit switch schematic diagram when connecting
Fig. 7 is the safe limit switch schematic diagram when disconnecting
The specific embodiment
The utility model is described in further detail below in conjunction with example
Shown in Fig. 1-7, carpenter's machine comprises a protective cover 1 that is detachably connected on the workbench 8 with digging the function protector; The safe limit switch 4 that is connected in the governor circuit is fixed in the carriage 5 that is arranged on the workbench below.Carriage 5 comprises cover plate up and down and the left and right sides cover plate that is positioned at safe limit switch 4 upper and lowers.On the opposite face of cover plate up and down, spacing ring 16 is set respectively.Can rotate with respect to spacing ring, circumferentially have the upper and lower side of 10 the cylinder 3 of cutting edge to stretch in the spacing ring respectively.At workbench, cover plate all has the parallel elongated slot of axial direction 6 up and down.Connect rotating shaft 2 on protective cover, the rotating shaft lower end connects the stock 9 perpendicular to rotating shaft; The length of stock is less than the length of elongated slot.The cylinder upper and lower side all is provided with and stock corresponding grooves 7.
The button 15 of safe limit switch radially contacts with cylinder along cylindrical.When the untrained face of cylinder of cylinder contacted with button, button was pressed into, and safe limit switch disconnects; When cylindrical side cut contacted with button, button was ejected by (spring of safe limit switch inside), safe limit switch closure.
Before starting the machine, protective cover is put into above the workbench or below, rotating shaft 2 and stock pass the elongated slot on workbench and the upper cover plate, perhaps pass the elongated slot on the lower cover, stock is extend in the cylinder 3 in the elongated slot, and the elongated slot on this moment cylinder aligns with the elongated slot on workbench and the upper cover plate, and its safe limit switch as shown in Figure 7, button contacts and is pressed into the face of cylinder that cylinder is not cut edge, and safe limit switch is in off-state.Rotating shaft revolved turn 90 degrees, then cylinder is by 90 degree of the stock driven rotary in the rotating shaft, as shown in Figure 6, this moment, the elongated slot on the cylinder was in the positions of staggering 90 degree with elongated slot on cover plate and the workbench up and down, the button of safe limit switch contacts with cylindrical side cut and is in the position of being ejected, and safe limit switch is in on-state.Two locking members 14 on the locking protective cover just can start the machine work so that protective cover is fixed on the workbench.Rotating shaft is fixed on the protective cover with a shaft block ring, in the time will taking off protective cover, must take off simultaneously and make rotating shaft.Because the stock in rotating shaft this moment becomes 90 degree to stagger with elongated slot on the cover plate up and down, can not directly take out, the position that must earlier they be rotated to alignment (axially parallel of stock and elongated slot) could be taken out, when rotating to alignment, cylinder has also rotated 90 degree under the drive of rotating shaft, safe limit switch button is pressed into once more, and safe limit switch disconnects.When taking off protective cover like this, just disconnected safe limit switch.Realized that protective cover do not install, machine can not start, and effectively guarantees purpose of safety.The dust suction interface that has on the protective cover can be connected to dust catcher simultaneously, and the wood chip that produces during with work siphons away, and protects operator ' s health, improves the quality of finished surface.
Claims (6)
1. carpenter's machine comprises a protective cover that is detachably connected on the workbench with digging the function protector; It is characterized in that: further comprising safe limit switch with the governor circuit interlock; Safe limit switch is installed in the carriage, carriage be installed in workbench below, have elongated slot on the cover plate up and down of carriage, the position of corresponding elongated slot has the hole on the workbench; On protective cover, connect rotating shaft, connect stock in the rotating shaft; When stock was parallel with the axial direction of elongated slot, rotating shaft and stock can pass elongated slot; Rotating shaft is connected with the button of safe limit switch by transmission mechanism; When the rotating shaft of passing elongated slot is rotated and when making the axial direction of stock and elongated slot not parallel, rotating shaft makes safe limit switch become closure state by off-state by the transmission mechanism actuation button.
2. carpenter's machine according to claim 1 is characterized in that with digging the function protector: transmission mechanism be included as be arranged on the carriage rotating, circumferentially the cylinder of side cut is arranged, cylinder is coaxial with rotating shaft, is provided with and the stock corresponding grooves on the cylinder; When the axial direction of stock, groove and elongated slot was all parallel, rotating shaft and stock can pass elongated slot and enter in the groove; When cylinder contacted with button by the side cut or the face of cylinder in radial direction, safe limit switch was in off-state or closure state.
3. carpenter's machine according to claim 1 and 2 is used for protective cover is locked at locking member on the workbench with digging the function protector, it is characterized in that: further comprising.
4. carpenter's machine according to claim 1 and 2 is characterized in that with digging the function protector: when the rotating shaft of passing elongated slot is rotated and when making the axial direction of stock and elongated slot vertical, safe limit switch is in closure state.
5. carpenter's machine according to claim 1 and 2 is characterized in that with digging the function protector: protective cover be installed in the top of workbench or below.
6. carpenter's machine according to claim 1 and 2 is with digging the function protector, it is characterized in that: a dividing plate is arranged in the middle of the protective cover, to advance bits mouthful, the passage relative closure of crumb mouth also has a dust suction interface that is used for external dust catcher and wood chip is siphoned away simultaneously on the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202160132U CN201300457Y (en) | 2008-11-14 | 2008-11-14 | Plane protection device for woodworking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202160132U CN201300457Y (en) | 2008-11-14 | 2008-11-14 | Plane protection device for woodworking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201300457Y true CN201300457Y (en) | 2009-09-02 |
Family
ID=41084076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202160132U Expired - Fee Related CN201300457Y (en) | 2008-11-14 | 2008-11-14 | Plane protection device for woodworking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201300457Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105309542A (en) * | 2015-11-27 | 2016-02-10 | 芜湖市滨江4050早餐工程有限公司 | Pastry molding disc protective cover |
| CN110774360A (en) * | 2019-12-04 | 2020-02-11 | 青岛金岭电器有限公司 | Dust hood interlocking delay switch mechanism and woodworking planer thereof |
-
2008
- 2008-11-14 CN CNU2008202160132U patent/CN201300457Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105309542A (en) * | 2015-11-27 | 2016-02-10 | 芜湖市滨江4050早餐工程有限公司 | Pastry molding disc protective cover |
| CN110774360A (en) * | 2019-12-04 | 2020-02-11 | 青岛金岭电器有限公司 | Dust hood interlocking delay switch mechanism and woodworking planer thereof |
| CN110774360B (en) * | 2019-12-04 | 2024-04-30 | 青岛金岭电器有限公司 | Dust hood interlocking delay switch mechanism and woodworking planer thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20161114 |