CN102335782A

CN102335782A - Cutter structure

Info

Publication number: CN102335782A
Application number: CN2010102301081A
Authority: CN
Inventors: 罗虎
Original assignee: Motomax Electric Co Ltd
Current assignee: Motomax Electric Co Ltd
Priority date: 2010-07-19
Filing date: 2010-07-19
Publication date: 2012-02-01

Abstract

The invention discloses a cutter structure, which comprises a base, a cutting device and a locking device, wherein the base is provided with symmetric pivot holes on symmetric parallel frames; the upper end of each symmetric pivot hole of each symmetric parallel frame is provided with a buckling hole; the cutting device is provided with a pivot shaft which is sleeved in the symmetric pivot holes, at one end of a supporting arm of the cutting device, so that the cutting device can downwardly swing to adjust; the locking device comprises a swing arm which is pivotally connected to the supporting arm at a middle section in coordination with a supporting shaft; one end of the swing arm is provided with a buckling block, and the other end of the swing arm is connected with a control lever; the control lever is pivotally connected with the cutting device and can indirectly draw the swing arm to perform lever swing by taking the supporting shaft as a supporting point; the buckling block can be driven to be embedded into or withdrawn out of the buckling hole through adjustment; the cutting device is placed in a locked state in which the cutting device can not be acted or is in a release state in which the cutting device can be operated to swing; and an operator can clearly identify and master connection relation between the buckling block and the buckling hole, so that the safety is more comprehensively guaranteed.

Description

Cutting machine structure

Technical field

The invention relates to a kind of cutting machine structure, refer to that especially a kind of annular saw cutting implement locks or discharge the cutting machine structure innovation improvement of its rotation downwards.

Background technology

With the public technology of this case structurally associated, like the patent EP of European Union 1777046 " cutting tool ", its announcement comprises: the end at a base station is provided with upwardly extending jib, and this jib one end articulates a vertically moving cutter sweep; A locking device has operability, on a position, locatees to prevent that cutter sweep from moving down with control locking cutter sweep; Wherein this cutter sweep comprises that an end is provided with a D type inner space, provides the user to grip to form one handle; This locking device comprises: lock release lever one end extends to aforementioned D type inner space; One drive rod, an end is connected in lock release lever, and it can move axially the operational lock release lever; A lock pin, an end is connected with drive rod through a carriage indirectly, holds the eye-splice that can be moved in a lockhole in addition, or withdraws from this lockhole; Aforementioned lockhole is located at a long slab body, and this long slab body one end is articulated on the jib.

The locking device of above-mentioned exposure is in regular turn through comprising: parts such as a lock release lever, a drive rod, a carriage and a lock pin, carry out a series of interlock effect, and lock pin is produced have the purpose that embeds lockhole or withdraw from lockhole.

But the shortcoming of this structure is: carry out the traction interlock of indirect type through most parts, easier in the interlock link of part each other, the generation blocked up not smooth phenomenon.In addition, too much spare part not only increases the complexity of structure, and aspect material cost and assembling processing cost, one of the master that can't reduce especially is former.

Moreover; The lock pin that above-mentioned known structure discloses is a round bar body, and provides the lockhole of lock pin eye-splice to be designed to a slight circular port; And this lockhole is installed in the lower position of cutter sweep again; This position is not easy to be seen by clear the relative operator that will cause can't learn definitely whether locking device pins cutter sweep and be motionless state for the operator, or unclamps cutter sweep and be operable state; On top of under the state of Push And Release, is that the operation injury takes place the most easily at this kind.

Summary of the invention

Main purpose of the present invention provides a kind of cutting machine structure, and it mainly is to be provided with one to control the structural improvement whether cutter sweep can carry out the locked instrument of rotation cutting work object.

For achieving the above object, the present invention provides a kind of cutting machine structure, and it comprises:

One pedestal, an end is provided with the symmetrical, parallel frame, and this parallel shelf is provided with symmetrical pivot hole, is provided with a button hole in a parallel shelf wherein in the upper end in pivot hole;

One cutting device; Comprise: a support arm, this support arm one end is provided with the symmetrical pivot hole that pivot can be sheathed on aforementioned two parallel shelfs, makes its adjustment of rotation downwards; Support arm is held the secure shroud that is connected with handle, CD-ROM drive motor, circular saw blade, is coated on circular saw blade epimere portion in addition; And one be coated on circular saw blade hypomere portion movable shield, the aforementioned fixation guard shield is locked in support arm and links into an integrated entity, aforementioned movable shield is articulated in secure shroud; And be connected with a connecting rod, this connecting rod one end is articulated in a parallel shelf;

One locked instrument; Comprise: swing arm section therebetween cooperates a fulcrum to be articulated in above-mentioned support arm; This swing arm one end is provided with a button piece; This swing arm can be made its button piece embed or withdraw from the button hole of parallel shelf by adjustment, make cutter sweep be can not start lock-out state or can be by the release conditions of operation swing.In addition, this swing arm end in addition is provided with a connecting hole, and this connecting hole is connected with a control lever; This control lever, an end cooperate an axostylus axostyle to be articulated in cutter sweep, and in addition end is provided with one and colludes sheet, and this colludes the connecting hole that sheet can be nested in swing arm and is the interlock state, are extended with one group of plate colluding sheet one side, and this group plate extends to the below of the handle of cutter sweep.

Form through above-mentioned member; This control lever can be through the plate of dialling that extends toward side; Make its whole center of gravity keep deflection to dial the skew of plate end, and to collude button piece that sheet affects swing arm, make swing arm keep buckle in button hole at nature its button piece of ordering toward the backup of button hole end.

Moreover, the above-mentioned button hole of being located at the upper end, pivot hole of a parallel shelf, this button hole is located on the metal plate in the present embodiment, and this metal plate cooperates latch members to be locked on the parallel shelf again.

The present invention has whether continuous action relation between designs simplification, part is very smooth and easy, assembling operation is convenient, can clearly let the operator see this locked instrument clearly is the characteristic that essence effects such as closed condition or opening are promoted.

Description of drawings

Fig. 1 is the exploded view of structure preferred embodiment of the present invention.

The exploded view of Fig. 2 parallelism structural frame of the present invention and metal plate.

Fig. 3 is the constitutional diagram of parallel shelf shown in Figure 2 and metal plate.

Fig. 4 is the partial exploded view of dialling plate and cutter sweep of structure locked instrument of the present invention.

Fig. 5 is the partial exploded view of structure locked instrument of the present invention.

Fig. 6 is the constitutional diagram of structure preferred embodiment of the present invention.

Fig. 7 is a partial top view embodiment illustrated in fig. 6.

Fig. 8 is an illustrative view embodiment illustrated in fig. 6.

Fig. 9 is the user mode reference diagram of structure preferred embodiment of the present invention.

Figure 10 is another preferred embodiment of control lever structure of the present invention.

Figure 11 is combined in the cutter sweep sketch map for the control lever of Figure 10.

[main element symbol description]

Pedestal------10 parallel shelfs----11 transverse axis holes----111

Screw------112 pivot holes------12 button holes-------13

Metal plate--14 perforation------141 long bolts-----15

Short screw----16 nuts------17 cutter sweep---20

Support arm----21 first axis holes-211, second axis hole--212

Pivot------22 handles------23 CD-ROM drive motor--24

Circular saw blade--25 secure shroud--26 movable shield---27

Corresponding end face-271 connecting rod------28 locked instrument---30

Swing arm------31 vertical holes------311 button piece------312

Connecting hole----313 fulcrums------32 control levers-----33

Pivoted hole----331 collude sheet------332 groups of plate------333

Catch------334 axostylus axostyles-------34

The specific embodiment

Below, cooperate preferred embodiment of the present invention graphic further specify as after, in the hope of making the personage who is familiar with correlation technique of the present invention, the statement of De Yiben specification is implemented according to this:

At first, please cooperate and consult Fig. 1 to shown in Figure 9, be a kind of cutting machine structure preferred embodiment of the present invention, it comprises: a pedestal 10, one ends are articulated with the cutter sweep 20 of a rotation downwards operation; One locked instrument 30 is connected between cutter sweep 20 and the

pedestal

10, and 12 upper ends, pivot hole that this pedestal 10 provides cutter sweep 20 to articulate are provided with a button hole 13; This locked instrument 30; Comprise: a swing arm 31; Being articulated in cutter sweep 20 in interlude with a fulcrum 32 links into an integrated entity; 31 of this swing arms are provided with a button piece 312 at fulcrum 32 1 ends, and this button piece 312 can move swing arm 31 through rotation and make its embedding or withdraw from aforementioned button hole 13, and then the release conditions that make cutter sweep 20 be lock-out state that can not start or can be swung by operation.

Continue, specify the innovative technology characteristic of cutting machine structure of the present invention:

To shown in Figure 3, pedestal 10, one ends of the present invention are provided with upwardly extending one symmetrical parallel shelf 11 like Fig. 1, and this symmetrical, parallel frame 11 is provided with

symmetrical pivot hole

12, and 11 upper ends in pivot hole 12 of a parallel shelf are provided with a button hole 13 therein; The present invention makes the firmer structural strength of button hole 13 tools; The spy is arranged on button hole 13 on the metal plate 14; Afterwards; Metal plate 14 is locked in parallel shelf 11 forms one, its connected mode is respectively to be provided with a perforation 141 in the both sides that this metal plate 14 is positioned at button hole 13, and cooperates a sheathed long bolt 15 and short screw 16 to be locked in parallel shelf 11 preset transverse axis hole 111 and screw 112; After aforementioned long bolt 15 is socketed on transverse axis hole 111, revolves lock with a nut 17 and connect; Above stated specification metal plate 14 is incorporated into the mode of parallel shelf 11, is merely a preferred embodiment, is not to be used for limit technical scope of the present invention, with any known combination metal plate 14 is connected in parallel shelf 11 all when being protected by the present technique scope such as; In addition, this button hole 13 can directly be located on the parallel shelf 11, can reach predetermined purpose equally;

As shown in Figure 1, this cutter sweep 20 comprises: a support arm 21; These support arm 21 1 ends are provided with the symmetrical pivot hole 12 that pivot 22 can be sheathed on aforementioned two parallel shelfs 11, make its rotation downwards adjustment, support arm 21 movable shield 27 that end is connected with handle 23, CD-ROM drive motor 24, circular saw blade 25 in addition, the secure shroud 26 and that is coated on circular saw blade 25 epimere portions is coated on circular saw blade 25 hypomere portions; Aforementioned fixation guard shield 26 is locked in support arm 21 and links into an integrated entity; Aforementioned movable shield 27 is articulated in secure shroud 26, and is connected with a connecting rod 28, and connecting rod 28 1 ends are articulated in corresponding end one parallel shelf 11; With when support arm 21 with connecting rod 28 during toward lower swing; Can affect movable shield 27 up to raise synchronously, make circular saw blade 25 be able to be the state of exposing, so that processing object (not shown) is cut operation; Aforementioned is to be cutter sweep 20 general known structure; Be mainly and cooperate explanation to need slightly general introduction; But not technical characterictic of the present invention place, this case improvement part is that support arm 21 upper surfaces are provided with first axis hole 211 near pivot 22 ends, but articulates the rotation mobile status for the swing arm 31 of locked instrument 30; Be provided with one second axis hole 212 in support arm 21 upper surfaces with respect to the outboard end of setting up pivot 22, but this second axis hole 212 can supply the control lever 33 of locked instrument 30 to articulate the swinging operation state;

Extremely shown in Figure 9 like Fig. 4; This locked instrument 30 comprises: a swing arm 31 section therebetween is provided with vertical hole 311, and cooperation is coated with first axis hole 211 that a fulcrum 32 is articulated in above-mentioned support arm 21; This swing arm 31 is provided with a button piece 312 near button hole 13 ends; When swing arm 31 can be adjusted by rotation, can order about the button hole 13 that this button piece 312 embeds parallel shelfs 11, make cutter sweep 20 by pin down be can not start lock-out state; Also or order about the button hole 13 that this button piece 312 withdraws from parallel shelf 11, cutter sweep 20 being can be by the release conditions of operation swing;

In addition, for the ease of behaviour's system swing arm 31 starts, spy of the present invention is provided with a connecting hole 313 in the corresponding end that swing arm 31 differs from button piece 312, this connecting hole 313 is connected with a control lever 33 again; And these control lever 33, one ends are provided with pivoted hole 331, and cooperate a sheathed axostylus axostyle 34 to be articulated in above-mentioned second axis hole 212; End is provided with one and colludes sheet 332 in addition; This colludes the connecting hole 313 that sheet 332 can be nested in swing arm 31 and is the interlock state, and the position is extended with one group of plate 333 colluding sheet 332 1 sides, and this group plate 333 extends to the below of the handle 23 of cutter sweep 20; Be can be through group plate 333 that extends toward side with this control lever 33; Make its whole center of gravity keep deflection to dial the skew of plate 333 ends, and to collude button piece 312 that sheet 332 affects swing arm 31, make swing arm 31 all keep buckle in button hole 13 at nature its button piece 312 of ordering toward button hole 13 end backups.

Form through above-mentioned member; Promotion capable of using is dialled plate 333 and is made control lever 33 and collude sheet 332 and carry out rotation; Affect swing arm 31 to carry out the swing of lever principle through the annexation of colluding sheet 332 and connecting hole 313 again; Make this button piece 312 withdraw from the button hole 13 of parallel shelf 11, and then make cutter sweep 20 be the release conditions that to be operated swing.

What be worth supplementary notes is; Technique improvement characteristic of the present invention mainly is: the upper end that button hole 13 is located at pivot hole 12; Make its clear and definite outside that is emerging in cutting machine; And locked instrument 30 is located at the position, the top of cutting machine, and whether the button piece 312 of so swing arm 31 of this locked instrument 30 embeds in the button hole 13, all can provide the operator to look at identification straight.

Shown in figure 10 again, be another preferred embodiment of control lever structure of the present invention, this control lever 33 sets up the corresponding outboard end that colludes sheet 332 to be extended with a catch 334 at pivoted hole 331 relatively; Please cooperate consult shown in Figure 11, when this control lever 33 is articulated in the second axis hole (not shown) of cutter sweep 20, and this control lever 33 collude the connecting hole 313 that sheet 332 is connected swing arm 31; And button piece 312 holdings of swing arm 31 are at the button hole 13 of pedestal 10; This cutter sweep 20 temporarily is under the motionless state, and this aforesaid catch 334 can be resisted against the corresponding end face 271 in movable shield 27 upper ends, makes this movable shield 27 under closing state; Immediately receive the external force of upwards passing; Backstop that also can be through catch 334 is guaranteed that movable shield 27 is to be in definitely by locking condition, and then is provided the user to have the safety protection function of many one decks.

Relative when control lever 33 utilize dial plates 333 pass swing after; Can affect swing arm 31 to swing through colluding sheet 332; Impel button piece 312 to break away from pining down of button hole 13, take catch 334 skews out of regional extent that movable shield 27 can freely be rotated simultaneously, so; This cutter sweep 20 is when moving down, and this movable shield 27 also can unhinderedly upwards be started.

To sum up institute is old, is merely a preferred embodiment of the present invention, is not to be used for limiting the scope that the present invention implements.Be that all equalizations of doing according to claim of the present invention change and modification, be all scope of patent protection of the present invention and contain.

Claims

1. cutting machine structure comprises: a pedestal, one of which end are articulated with the cutter sweep of a rotation downwards operation; One locked instrument is connected between cutter sweep and the pedestal, it is characterized in that:

The upper end, pivot hole that this pedestal provides cutter sweep to articulate is provided with a button hole; This locked instrument; Comprise: a swing arm is articulated in cutter sweep in interlude with a fulcrum; This swing arm one end is provided with a button piece, and this button piece can make its embedding or withdraw from aforementioned button hole through the swing swing arm, and then the release conditions that make cutter sweep be lock-out state that can not start or can be swung by operation.

2. cutting machine structure as claimed in claim 1 is characterized in that, this locked instrument still comprises: a control lever is articulated in cutter sweep, and this control lever one end is provided with and colludes sheet, is extended with one group of plate colluding the sheet side; The swing arm position then is provided with a connecting hole at the relative outboard end of setting up the button piece, can supply the aforementioned nested connection of sheet of colluding.

3. cutting machine structure as claimed in claim 1 is characterized in that, this cutter sweep comprises that a support arm one end is provided with pivot, and this pedestal one end is provided with a symmetrical parallel shelf, and this symmetrical, parallel has been set up symmetrical pivot hole, can supply aforementioned pivot socket; And be provided with first axis hole in the support arm upper surface near pivot pin end, the fulcrum that can supply to articulate swing arm connects.

4. cutting machine structure as claimed in claim 1 is characterized in that, this cutter sweep comprises that the outboard end of a support arm in the upper surface is provided with one second axis hole; This locked instrument is provided with a control lever and is articulated in aforementioned second axis hole, and this control lever one end is provided with and colludes sheet, and swing arm one end be provided with a connecting hole can with collude sheet and be connected.

5. like claim 2 or 4 described cutting machine structures, it is characterized in that this control lever is setting up the relative outboard end that colludes sheet to be provided with a catch, temporarily be under the motionless state that this catch can only be against the corresponding end face in movable shield upper end when cutter sweep is in.