CN102139499B

CN102139499B - Adjustment device of riving knife of saw cutting machine

Info

Publication number: CN102139499B
Application number: CN 201010116446
Authority: CN
Inventors: 邱成宏
Original assignee: Rexon Industrial Corp Ltd
Current assignee: Rexon Industrial Corp Ltd
Priority date: 2010-01-29
Filing date: 2010-01-29
Publication date: 2013-09-25
Anticipated expiration: 2030-01-29
Also published as: CN102139499A

Abstract

The invention discloses an adjustment device of a riving knife of a saw cutting machine. The adjustment device comprises a fixed piece, a riving knife and a locking unit. The fixed piece is provided with a track; the riving knife is provided with a sliding part inserted into the track; the locking unit is arranged on the fixed piece and provided with the locking piece to generate eccentric brake in a rotation way so that the riving knife is locked or released. Through operating the locking unit, the riving knife operates from a locking position where location is generated relative to the fixed piece into a disengaging position where the riving knife is adjusted relative to the fixed piece, so that the riving knife achieves the aim of quickly adjusting.

Description

Sawing machine chopper adjusting device

Technical field

The present invention relates to a kind of sawing machine, particularly relate to a kind of sawing machine chopper adjusting device.

Background technology

General sawing machine is in order to safeguard user's safety, be provided with many safety devices, for example the board at the saw blade rear sets firmly a chopper (riving knife), to guarantee can be separated two parts by the work package after the saw blade sawing, prevents from still being attached on the saw blade after the work package sawing.

Moreover, in response to the saw blade use of the plank of various different-thickness, various different sizes or the demand of saw blade duty, saw blade must be done oscilaltion, and chopper also can cooperate saw blade and carry out lift adjustment, so the basic function that becomes present sawing machine can be assembled, dismantles, be adjusted to chopper fast.

(US6840144B2 patent case) as shown in Figure 1, be to utilize control panel 1 of rotation, and make elasticity bayonet lock 2 of an inclined plane part 102 stoppers that is inclination of this control panel 1, this elasticity bayonet lock 2 produces embedding or disengaging with respect to a hole clipping 301 of a chopper 3, makes this chopper 3 produce lift adjustment or replacings with respect to a bracing frame 4.

In addition, US7437981B2 patent case, TW I305160 patent case, TWM280905 patent case also can both make chopper reach the function of fast assembling-disassembling, adjustment.

Though the structure of application drawing 1 can make chopper 3 reach the purpose of rapid adjustment or replacing, but adjust or when changing this chopper 3, the operator must rise bracing frame 4 to the highest position earlier, then hand is stretched into the board (not shown) inside of sawing machine, to be not easy at limited operating space operation control panel 1, also trouble comparatively in the operation, and US7437981B2 patent case, TW I305160 patent case, TWM280905 patent case have and all have above-mentioned problem.

Summary of the invention

But the objective of the invention is is providing a kind of easy operation and can quick-adjustsing sawing machine chopper adjusting device.Sawing machine chopper adjusting device of the present invention is installed on the board, and this board has an end face, and this chopper adjusting device comprises a fixture, a chopper and a lock catch unit.This fixture is positioned at the end face below of this board, and has one towards the track of this end face, this track extends along a length direction, this length direction is that the direction between the end face of this fixture and this board is extended, this chopper has a sliding part that is plugged in this track, this lock catch unit is positioned at the end face below of this board and is installed on this fixture, and has a snap close piece that this chopper is produced locking or pine oil with eccentric stopper.

Beneficial effect of the present invention is: operating this lock catch unit can produce compacting or break away from respect to this chopper, and reach processing ease, chopper is adjusted purpose fast.

Description of drawings

Fig. 1 is the three-dimensional exploded view that existing a kind of chopper is adjusted structure;

Fig. 2 is the three-dimensional exploded view of first preferred embodiment of sawing machine chopper adjusting device of the present invention;

Fig. 3 is the flat assembly drawing of this preferred embodiment, illustrate a chopper with respect to fixture an extreme higher position;

Fig. 4 is the cross-sectional schematic that the straight line IV-IV in Fig. 3 gets, and illustrates that a snap portion is operated to a snap close position;

Fig. 5 is the flat assembly drawing of similar Fig. 3, illustrate this chopper with respect to fixture an extreme lower position;

Fig. 6 is the profile of similar Fig. 4, illustrates that this snap portion is operated to a disengaging configuration;

Fig. 7 is the three-dimensional exploded view of second preferred embodiment of sawing machine chopper adjusting device of the present invention;

Fig. 8 is the flat assembly drawing of second preferred embodiment of the present invention;

Fig. 9 is the cross-sectional schematic that the straight line IX-IX in Fig. 8 gets;

Figure 10 is the operation chart of second preferred embodiment of the present invention, and elastic positioning pin of pulling is described;

Figure 11 is another operation chart of second preferred embodiment of the present invention, this brake of rotation is described and chopper is produced with respect to fixture to adjust.

The specific embodiment

The present invention is described in detail below in conjunction with drawings and Examples:

As Fig. 2, Fig. 3 and shown in Figure 4, the preferred embodiment of sawing machine chopper adjusting device of the present invention, be installed on the board 100, this board 100 has an end face 110, and this chopper adjusting device comprises a fixture 10, a chopper 20 and a lock catch unit 30.

This fixture 10 is installed in these board 100 inside and is positioned at this end face 110 belows, and have a body 11 and one and be installed in the limited block 12 that this body 11 and cross section are the inverted L shape (see figure 4), this body 11 has the second opposite lateral margin 112 of first lateral margin 111 and and this first lateral margin 111, and this limited block 12 is installed in 112 of this first lateral margin 112 and this second lateral margins.

This lock catch unit 30 has an axle bed 31 that is installed in this first lateral margin 111, an axle is located at the brake 32 in this axle bed 31, operating parts 33 and a snap close piece 34 that driven by this brake 32 that links with this brake 32.This axle bed 31 defines one towards the track 40 of this end face 110 jointly with this limited block 12, this track 40 extends along a length direction X, this length direction X is that the direction between the end face 110 of this fixture 10 and this board 100 is extended, and this axle bed 31 has a breach 312 that the axis hole 311 that should length direction X arranges and arrange along an axis L and is connected this axis hole 311 and this track 40.This brake 32 has one and is eccentric with respect to this axis L and arranges and cylindrical stopper portion 321, a connect apertures 322 that arranges and be non-circular (present embodiment is for lacking the circle shape) along this axis L, one is arranged on these stopper portion 321 1 sides and axle is located at the first end 323 of this axis hole 311 along this axis L, one is arranged on these stopper portion 321 opposite sides and axle along this axis L and is located at the shoulder 325 that the second end 324 of this axis hole 311 and are arranged on this stopper portion 321 and these the second end 324 joining places, and this connect apertures 322 is through to this second end 324 by this first end 323.This operating parts 33 has one and is located in second axostylus axostyle 332 that first axostylus axostyle 331 in this connect apertures 322, one and this first axostylus axostyle 331 be vertical setting and one and is arranged on this

first axostylus axostyle

331 and 332 of this second axostylus axostyles and is the driving gear set 333 of bevel gear, the cross section of this first axostylus axostyle 331 also is corresponding to this connect apertures 322 and lacks the circle shape, this second axostylus axostyle 332 has one and stretches the operating portion 334 that is located at these board 100 outsides, and this operating portion 334 has a handle 335.This snap close piece 34 produces eccentric stopper with rotating manner, make this chopper 20 locking or pine oils, and has ring set 341 and a snap portion 342 that is attached on this ring set 341 that is set in this stopper portion 321, this ring set 341 supports and only is positioned on this shoulder 325, and this snap portion 342 passes and extend this track 40 from the breach 312 of this axle bed 31.Utilize this first axostylus axostyle 331 and the shape of this connect apertures 322 all to be scarce circle shape, then make this fixture 10, lock catch unit 30 produce displacements with respect to these board 100 end faces 100 along this axis L.

This chopper 20 has one and is plugged in that sliding part 21 in this track 40 and one are attached at these sliding part 21 1 sides and corresponding to the disconnected portion 22 of splitting of this end face 110, this sliding part 21 have one level off to this split the upper limit site 211 of disconnected portion 22 and one be away from this split disconnected portion 22 and with this on the lower limit site 212 that is oppositely arranged, site 211.

Again as shown in Figures 3 and 4, this chopper 20 split disconnected portion 22 when protruding from the end face 110 of this board 100 and being positioned at an extreme higher position, this lower limit site 212 produces the location with respect to the snap close piece 34 of this lock catch unit 30.At this moment, the ring set 341 that the eccentric stopper portion 321 that utilizes this operating parts 33 to drive these brakes 32 drives these snap close pieces 34 produces eccentric rotations, making this snap portion 342 level off to this chopper 20 and buckle is compressed on this sliding part 21, and this snap portion 342 is suppressed to a snap close position towards this chopper 20, and this chopper 20 reaches the strong fix purpose with respect to board 100.

When desire adjustment or dismounting, when changing the outfit this chopper 20, as Fig. 5 and shown in Figure 6, pull the handle 335 that is arranged on these board 100 outsides, see through second axostylus axostyle 332 of this operating parts 33, driving gear set 333, this brake 32 of first axostylus axostyle, 331 interlocks is that center of rotation rotates with respect to this axle bed 31 with this axis L, and be the reverse turn of ring set 341 generations that eccentric stopper portion 321 can drive this snap close piece 34, make this snap portion 342 be away from this chopper 20 and break away from the compacting of this sliding part 21 is positioned at a disengaging configuration, when then the operator promotes this and splits disconnected portion 22 tops, this sliding part 21 is produced to lower slider along this length direction X, to ending at limited block 12 tops of this fixture 10, this is split disconnected portion 22 and is positioned at an extreme lower position with respect to this end face 110 up to this upper limit site 211.

After this chopper 20 was adjusted, the operator oppositely pulled this handle 335 again, makes this snap close piece 34 revert back to the snap close position of Fig. 4.

Therefore, the present invention utilizes this operating parts 33 to drive the conversion between snap close position and this disengaging configuration of this snap close piece 34, and the operator can finish the adjustment of this chopper 20 easily, and the structure of integral body of the present invention is quite simple.

What deserves to be mentioned is, utilize the setting of first axostylus axostyle 331, second axostylus axostyle 332, driving gear set 333 and the handle 335 of this operating parts 33, pull this handle 335 from these board 100 outsides, can drive this snap close piece 34 indirectly and produce turn, and make the conversion between snap close position and this disengaging configuration of this snap portion 342, when operating, the operator not only do not need hand is stretched into board 100 inside of sawing machine, it is limited and operate very difficult problem also not have the operating space, with respect to existing adjustment structure, quite convenient and easy in the operation.

Therefore, the present invention cooperates the variation of thickness of workpiece, the situation of can looking during operation is adjusted saw blade (not shown) height, and when this fixture 10 is followed the saw blade interlock with this chopper 20, this fixture 10 can move up and down along first axostylus axostyle 331 of this operating parts 30, these operating parts 30 constant fixed positions that are arranged on board 100 own, not along with fixture 10 moves up and down, thus, the control panel 1 that can solve prior art is arranged on the bracing frame 4, when desire is adjusted chopper 3, need earlier bracing frame 4 to be risen to highest point, not so control panel 1 can more go deep in the board, the action of chopper 3 is not easy to adjust ... etc. problem, the operating portion 334 of operating parts 30 of the present invention is constant to be arranged on fixing position, not with these fixture 10 liftings, is simplified the step of adjustment.

Moreover operating portion 334 of the present invention exposes to board 100, and in the time of will adjusting chopper 20 height at any time, it is quite easy to operate.

Again as shown in Figures 7 and 8, second embodiment of sawing machine chopper adjusting device of the present invention, also comprise a fixture 10 ', chopper 20 ' and lock catch unit 30 '.

A body 11 of this fixture 10 ' have ', limited block 12 that is arranged on these body 11 ' one sides ', most be arranged on this body 11 ' with this limited block 12 ' packing ring 14 ', one utilize described packing ring 14 ' setting and be created in this body 11 ' with this limited block 12 ' track 40 ' and most prop up with this body 11 of this limited block 12 ' be locked in ' upward and pass respectively described packing ring 14 ' and the locking part 15 that with the screw is example '.A locating hole 122 of this limited block 12 ' have ' and perforation to this track 40 ' breach 123 ', this track 40 ' extend along length direction X.Described locking part 15 ' adjacent to this track 40 ' medial margin produce respectively two location divisions 151 that are convex shape '.

This chopper 20 ' three shrinkage pools that are set in distance 211 of sliding part 21 ' have '.

One of this lock catch unit 30 ' have vertically be installed in this limited block 12 ' and be the axle bed 31 of hinged arm shape ', axle be located at this axle bed 31 ' brake 32 ', one be linked to this brake 32 ' operating parts 33 ', snap close piece 34 that is subjected to this brake 32 ' stopper ' and one be installed in this brake 32 ' on elastic positioning pin 35 ', one of this brake 32 ' have with respect to this axis L be the eccentric stopper portion 321 that arranges and be the nahlock shape '.Subsides of this snap close piece 34 ' have be butted on this limited block 12 ' mainboard 341 ', one be attached at these mainboard 341 ' one sides and be set in this breach 123 ' in snap portion 342 ' and two screw locks this snap portion 342 ' adjustment screw 343 ', one of this mainboard 341 ' have and this stopper portion 321 ' sheathed and be the fit portion 344 of circular hole ', one on described adjustment screw 343 ' respectively have to should track 40 ' and compacting end 345 ', operate described adjustment screw 343 ' can compensate manufacturing, the tolerance of assembly and abrasion impels snap portion 342 ' broadsword v.broadsword 20 ' preferable button of maintenance to end effect.

As Fig. 8 and shown in Figure 9, this chopper 20 ' when being stationary state, this lock catch unit 30 ' brake 32 ' this snap close piece 34 of stopper portion 321 ' stopper ' snap portion 342 ' towards this chopper 20 ' sliding part 21 ' closing, this chopper 20 ' the described locking part 15 of wherein two shrinkage pools 211 ' be resisted against ' produce location division 151 ' side and obtain card fastening position, and this elastic positioning pin 35 ' inlay card of this brake 32 ' utilize again this locating hole 122 ' in, can not rotate easily, can guarantee this chopper 20 ' with respect to this fixture 10 ' generation location and be positioned at a snap close position.

When 20 ' time of this chopper of desire adjustment (or changeing), as shown in figure 10, earlier this lock catch unit 30 of pulling ' elastic positioning pin 35 ', and make this locating hole 122 of this elastic positioning pin 35 ' certainly ' in shift out, again as shown in figure 11, pull immediately this operating parts 33 ', and operate this brake 32 ' with respect to this axle bed 31 ' rotate, utilize this stopper portion 321 ' with respect to this axle bed 31 ' generation eccentric rotary, this snap close piece 34 of stopper ' snap portion 342 ' break away from this chopper 20 ' sliding part 21 ' compacting, and this chopper 20 ' with respect to this fixture 10 ' is produced adjust, twitch this chopper 20 ' can reach and adjust or substitute purpose.

After this chopper 20 ' adjustment or displacement, the operator is again with this brake 32 ' counter-rotating, and revert back to the inlay card state of Fig. 8, at this moment, elastic positioning pin 35 ' automatic springing of meeting and intercalation this locating hole 122 ' in, guaranteeing the locking of brake 32 ' acquisition, the chopper 20 after the adjustment ' also obtain strong fix.

Claims

1. a sawing machine chopper adjusting device is installed on the board, and this board has an end face, and this chopper adjusting device comprises a fixture, a chopper and a lock catch unit; It is characterized in that:

This fixture is positioned at the end face below of this board, and has one towards the track of this end face, and this track extends along a length direction, and this length direction is that the direction between the end face of this fixture and this board is extended;

This chopper has a sliding part that is plugged in this track;

This lock catch unit, be positioned at the end face below of this board and be installed on this fixture, and have a snap close piece and produce eccentric stopper with rotating manner, make this chopper locking or pine oil, this lock catch unit also has an axle bed that is installed in this fixture, an axle is located at the brake of this axle bed, an operating parts that links with this brake, this brake is that rotary middle spindle is located on this axle bed with an axis, and have one and be the eccentric stopper portion that arranges with respect to this axis, this snap close piece is driven by this brake, and has a snap portion that extends this track, operate this operating parts and make this this snap close piece of brake stopper, and this snap portion makes this chopper produce the snap close position of locating by one with respect to this fixture, is operable to a disengaging configuration that this chopper is adjusted with respect to this fixture.

2. sawing machine chopper adjusting device as claimed in claim 1, it is characterized in that: the axle bed of this lock catch unit has an axis hole to should the length direction setting and arranging along this axis, this brake axle is located in this axis hole, and this stopper portion is eccentric setting and is cylindric with respect to this axis.

3. sawing machine chopper adjusting device as claimed in claim 2, it is characterized in that: the snap close piece of this lock catch unit also has a ring set that is set in this stopper portion, this snap portion is attached on this ring set, and the brake of this lock catch unit also has one and is arranged on first end, one that this stopper portion one side and axle be located at this axis hole along this axis and is arranged on this stopper portion opposite side and axle along this axis and is located at the second end of this axis hole and one and is arranged on this stopper portion with this second end joining place and for the shoulder of this ring set to the fastening position.

4. sawing machine chopper adjusting device as claimed in claim 3, it is characterized in that: the brake of this lock catch unit also has one along this axis setting and is non-circular connect apertures, this connect apertures is through to this second end by this first end, this operating parts also has an interlocking first axostylus axostyle and second axostylus axostyle in this connect apertures, the cross section of this first axostylus axostyle is corresponding to this connect apertures, this second axostylus axostyle has an operating portion that stretches out in this board outside, and this operating portion has a handle.

5. sawing machine chopper adjusting device as claimed in claim 4, it is characterized in that: the operating parts of this lock catch unit also has a driving gear set that is arranged between this first axostylus axostyle and this second axostylus axostyle.

6. sawing machine chopper adjusting device as claimed in claim 5, it is characterized in that: the second axostylus axostyle axle of this lock catch unit is established and is positioned on the board, and the axle bed of this fixture, this chopper and this lock catch unit, brake, snap close piece move up and down along first axostylus axostyle of this operating parts.

7. sawing machine chopper adjusting device as claimed in claim 2, it is characterized in that: this chopper also has one and is attached at this sliding part one side and corresponding to the disconnected portion of splitting of this end face, this sliding part has one and levels off to that this is split the upper limit site of disconnected portion and one and is away from the lower limit site that this splits disconnected portion, this lower limit site wherein one produces the location with respect to this lock catch unit and this fixture, this is split disconnected portion and protrudes from the end face of this board and be positioned at an extreme higher position, this upper limit site wherein one produces the location with respect to this lock catch unit and this fixture, and this is split disconnected portion and is positioned at an extreme lower position with respect to this end face.

8. sawing machine chopper adjusting device as claimed in claim 7, it is characterized in that: the track of this fixture is the limited block of inverted L shape by a cross section and the axle bed that is oppositely arranged with this limited block works in coordination to define forms, this splits disconnected portion when being positioned at extreme lower position, and this upper limit site is supported and only is positioned at this limited block top.

9. sawing machine chopper adjusting device as claimed in claim 2 is characterized in that: the track of this fixture is the limited block of inverted L shape by a cross section and works in coordination to define with the axle bed that this limited block is oppositely arranged and forms.

10. sawing machine chopper adjusting device as claimed in claim 1, it is characterized in that: the axle bed of this lock catch unit is the hinged arm shape perpendicular to this length direction and along this axis setting, this stopper portion is eccentric setting and is the nahlock shape with respect to this axis, this snap close piece have one with sheathed fit portion of this stopper portion, this snap portion is attached at this fit portion one side and corresponding to the sliding part of this chopper, the fit portion of this snap close piece is circular hole.

11. sawing machine chopper adjusting device as claimed in claim 10, it is characterized in that: this fixture has a body and a limited block that is installed in this body one side, and between this body and this limited block, produce this track is arranged, this limited block has a perforation to the breach of this track and adjacent to the location division of two convex shapes of this track, this snap close piece also has the mainboard that subsides are butted on this limited block, this snap portion is attached at this mainboard one side and is set in this breach, the sliding part of this chopper has three shrinkage pools that are set in distance, and wherein two shrinkage pools of this chopper are against being positioned at described location division.

12. sawing machine chopper adjusting device as claimed in claim 11, it is characterized in that: this lock catch unit also has at least one screw lock at the adjustment screw of this snap portion, this adjustment screw has one to should track and support the compacting end of ending on this chopper, this fixture also has most this limited block is locked in locking part on this body, and described locking part produces described location division respectively adjacent to the medial margin of this track.

13. sawing machine chopper adjusting device as claimed in claim 12, it is characterized in that: this fixture also has a locating hole, this lock catch unit also has an elastic positioning pin that is installed on this brake, operate this elastic positioning pin and produce nested or disengaging with respect to this locating hole, make this brake with respect to this fixture locking or rotation.