CN101024256B

CN101024256B - Power-saw apparatus

Info

Publication number: CN101024256B
Application number: CN200610004193A
Authority: CN
Inventors: 福尔斯·罗伯特
Original assignee: GMCA Pty Ltd
Current assignee: GMC Bbc Worldwide Ltd.; Power Box AG
Priority date: 2006-02-21
Filing date: 2006-02-21
Publication date: 2012-09-26
Anticipated expiration: 2026-02-21
Also published as: CN101024256A

Abstract

The invention relates to miter saw, composite saw, or hack saw devices. It includes motive cutting head set on sliding block to make it move relative to the base seat. The sliding block has at least one outer slender flat surface which can be used as cutting head guide surface.

Description

Power-saw apparatus

Technical field

Should use the invention that relates to be power-saw apparatus, it is the type that comprises that pedestal and cover cover the cutting head that rotatable circular is arranged.Said cutting head can move to be used to cut the workpiece that is installed on the pedestal between lifting position and decline cutting position.The saw of this type comprises cuts saw (chop saw), compound saw (compound saw) and mitre saw.

Background technology

Cutter unit comprises the pedestal that has usually with respect to the rotating disk of the remainder of pedestal rotation.The end face of pedestal and rotating disk form one its go up the surface of arrangement workpiece to be cut.On said surface, can provide fence or fence to serve as the perpendicular positioning of the edge of work.Towards the mounting that provides to settle cutting head on it on the direction at the rear portion of pedestal.Said cutting head horizontal plane relatively is placed in and maybe can comprises one or a plurality of slide unit on the fixed position, and the present invention just relates to the configuration that this comprises the type of or a plurality of slide units.Said cutting head self can move axially between lifting position and down position usually on a vertical plane at least, and carrying out cuts sth. askew cuts to allow also can be the adjustment of angle ground around a trunnion axis and around a vertical plane.Also can use oblique angle travel mechanism that identical effect is provided.Each mechanism in these mechanisms or any mechanism can be incorporated in the cutter unit of describing as a part of the present invention, slide or guiding parts because the present invention relates generally to provide.

In use, the cutter unit that routine provides is to move along said slide unit through the user, allow whereby cutter unit on horizontal plane with respect to the pedestal certain distance of advancing.The cross section of the slide block that routine provides is for circular and therefore; Slide block of minimum needs and another bearing along said slide block; But more generally; At least need provide two slide units with allow cutting head all on axially accurate location and cutting head is provided whereby in checkly slide mobilely because for the measurement yardstick on the equipment, it is important bringing straight, accurate and predictable measurement yardstick with this.

Provide second and/or more slide block to mean the manufacturing cost that increases cutter unit, and provide in addition the slide block of tool circular cross section require usually said slide block through polishing and/or further through machining so that provide required smoothness to allow cutter unit along level and smooth mobile of said slide block.Said slide block can be installed in the top of pedestal and/or rotating disk or get in said pedestal and/or the rotating disk.

In conventional cutter unit, provide another problem of slide mechanism to be: because require to place slide block exactly, and the Bearing assembly relative complex that allows said cutting head to move along slide block, be that factory makes up and sets so require it.Therefore this mean needs slide unit part as cutter unit when producing to provide.Because need slide unit to allow the length big or small of passing through above pedestal; So slide block stretches out above the pedestal rear portion, this size sizable part relatively large and this size that therefore means the encapsulation that need hold cutter unit is any other part that is used to hold slide block rather than cutter unit.

Summary of the invention

Target of the present invention provides a kind of cutter unit with improved form, and it allows to keep the performance of cutter unit, simultaneously, allows the minimizing on institute's materials used.Another target provides the minimizing in the required encapsulation of transportation cutter unit.

In first aspect of the present invention; A kind of cutter unit is provided; It comprises the cutting head with the circular shear blade that is provided for being rotated above that; Said cutting head can move axially between lifting position and decline cutting position; Said cutting head is to be positioned on the mounting of the pedestal that is connected to the workpiece to be cut of arrangement on it, and said cutting head can be via at least one slide block slide with respect to said pedestal and moves and wherein said slide block possesses at least one outer surface elongated, flat sliding to move in the part that takes place at least.

In one embodiment; The cross section that the surface of a plurality of outer elongated of said slide block has smooth profile and slide block has geometry, is roughly foursquare cross section such as (for example), is roughly hexagonal cross section, is roughly leg-of-mutton cross section or alternatively can be the cross section of angulation.

In one embodiment, a slide block only need be provided, because its outer surface provides cutting head in the static or location on required all except that the longitudinal axis of slide block when moving.In an alternate embodiment, a plurality of slide units are provided.

Usually, said slide block and bearing arrangement are together installed, and said system has the structure that permission is smoothly moved substantially.Usually, said Bearing assembly has certain-length so that the support that required degree is provided so that regardless of the ad-hoc location of said slide block and Bearing assembly, all remains on the longitudinal axis of slide block in the plane of level substantially.

In one embodiment, said Bearing assembly is that a part as the pedestal mounting provides and attached at one end slide block and cutting head is mobilizable with respect to Bearing assembly.In an alternate embodiment, said slide block be fixed to said pedestal mounting at one end and said Bearing assembly provide on said cutting head and can move along said slide block with said cutting head.

In one embodiment, be used for cutting head move axially sub-assembly be mounted on the said slide block or substitutability be provided at said cutting head originally on one's body.

In one embodiment; Can remove said slide block from said Bearing assembly; Thereby allow to encapsulate (retail package) when providing as retail when said cutting head; Make slide block provide and encapsulate, allow whereby cutter unit is encapsulated so that slide block is positioned on the most realistic position of encapsulation, rather than equally must be connected to said pedestal and stretch out pedestal above cutter unit as regular situation as independent.

In another embodiment, in use, said slide block can disassemble from Bearing assembly, allows the user optionally to install as required whereby and substitutes slide block and be used for specific cutting function.Therefore, can be the user cutter unit that receives a series of slide blocks be provided, its can have differently contoured, be generally and have different length, select of the selection of said cutting head for the user provides whereby with respect to the mobile haul distance of pedestal.

Description of drawings

With reference now to accompanying drawing, specific embodiment of the present invention is described, wherein:

Fig. 1 and Fig. 2 explanation are according to the perspective view of the cutter unit of the present invention among the embodiment; With

Fig. 3 explains the detail drawing of the configuration between slide block according to an embodiment of the invention and the bearing to Fig. 7.

The specific embodiment

At first, cutter unit 2 is described wherein referring to Fig. 1 and Fig. 2.Said cutter unit comprises the pedestal 4 with rotating disk 6.The end face of said rotating disk and the end face of pedestal are formed for receiving the surface 8 of workpiece to be cut (not shown).Said pedestal comprises slit 10, and it is used for when cutting head moves to the cutting position of covering, the circular shear blade on the cutting head 14 (not shown) being accommodated in wherein.Said cutting head 14 possesses protector 16, and it has the blade that moveable part 18 is used to cut with exposure.

Said cutting head provides on pivot mount 20; So that the direction of pressing arrow 22 shown in lifting position and decline cutting position between move; Wherein on said direction; Remove the underrun protection device 18 that on lifting position, seals a part of enclosing blade, so that expose blade and allow blade to get into workpiece along with the rotation of blade, to carry out cutting operation.Said cutter unit can possess cut sth. askew and/or oblique angle configuration supply with allow cutter unit angled and/or tilt and its operation will be identical with the routine saw of this type.

Said cutting head also possesses the engine 21 and handle 23 that the rotation that is used to blade provides power.Said cutting head is installed on the slide block 24 and then, in this embodiment, said slide block is installed in the Bearing assembly 26, and said Bearing assembly then is positioned on the mounting 28 that is attached to pedestal 4.The slide block that allows in cutting head and this example that provides of slide block and Bearing assembly moves as arrow 30 indications; Therefore provide cutting head whereby along being parallel to surface 8 and being parallel to the moving of horizontal plane of said workpiece; Allow blade whereby when carrying out cutting operation, the said workpiece in edge is advanced and is passed said workpiece.Reverse stroke allows blade to return on the cutting position.

In Fig. 7, slide block and Bearing assembly have been described in more detail at Fig. 3 a.Said slide block 24 has the cross section that forms profile, so that at least one surperficial 32 length along slide block are smooth substantially.Preferably, said profile is to make that all surface of slide block all is smooth and Fig. 3 b explanation is a series of to use helping the cross section of various slide blocks of the present invention, and will be visible: in each situation, planar side 32 is provided all.

The customized configuration of Bearing assembly 26 will be configured as the contoured that is fit to employed slide block.Likewise, can use any suitable bearing type.In one embodiment, said Bearing assembly can comprise the

bearing combination

34 and 36 at least two intervals.Bearing in every combination can comprise the roller bearing 48 of each flat surfaces 32 that is used to be provided on the slide block.Because the interval and the length of bearing; Generally speaking, select shell 38 so that provide to the enough supports of slide block 24, to guarantee at any special time; Regardless of the part that is positioned at the slide block on the Bearing assembly, said slide block still maintains in the plane of level substantially.

Preferably, adjustment member (not shown) is provided, it allows adjustment bearing and/or cutting head to aim to allow to consider the wearing and tearing of slide block and/or cutting head.

Fig. 3 a and 4 shows the Bearing assembly of the centre of the end be placed in slide block, and Fig. 5 and Fig. 6 explain the cross-sectional view that is intercepted along the line A-A that is showed among Fig. 4.

Although in this embodiment; The slide block of being showed is mounted on the position of pedestal top, but should be appreciated that, in another embodiment; The peripheral wall 40 that can pass pedestal and/or rotating disk provides said slide block, so that the part of said slide block remains on the below of the end face 8 of pedestal and/or rotating disk.

Therefore should be appreciated that, can through removing capping 42 said slide block optionally be removed from Bearing assembly from the purpose of storage and/or the purpose of encapsulation.This also allows to use the alternative slide block possibly have differently contoured (having different length but be more generally as) to replace said slide block, allows for specific cutting purpose whereby and reaches required haul distance.

In another feature of the present invention, at least one stop component 44 as explaining among Fig. 3 a can be provided.Said stop component is optionally placed along slide block 24, so that the haul distance that moves of restriction cutting head.Said retainer usually by the user via on the ad-hoc location that is set in said slide block such as the clamp of screw rod configuration 46 or via the center clamp and keep above that.Therefore this allow the user is that specific cutting operation is judged specific haul distance, and sets retainer so that define required haul distance.Therefore; If cutting operation will repeat many times; The user can confirm so: as long as they move said cutting head and contact said retainer, they move to required distance with cutting head for each cutting so, and feasible cutting to each workpiece all is consistent.Therefore this itself just represents an invention, and it can use together with slide block as described herein, or can together use with conventional slide block and when using by this way, it represents an independent aspect of the present invention.If two retainers are provided, the distance between these two retainers will define the movable length of cutting head on slide block so.

Supply according to slide block of the present invention provides several advantages.At first; Because the part that said slide block possesses at least one flat surfaces or possesses said at least slide block along the length of said slide block defines the moving range of cutting head; Therefore needs have been eliminated, because said cutting head can axially be positioned on the slide block securely for a plurality of slide blocks.In addition, himself following ability is given in this configuration: the buyer/user of cutter unit said unit capable of automatic assembling after purchase also can remove and replace the slide block in the Bearing assembly as required subsequently.This allows the repacking cutter unit and generally speaking more effectively encapsulates and store slide block and therefore more effectively encapsulate and store cutter unit.

Claims

1. a cutter unit (2); Said cutter unit comprises the cutting head (14) of the circular shear blade with the rotation of being provided for; Said cutting head can move axially between lifting position and decline cutting position, and said cutting head is to be positioned on the mounting (28) that is connected to pedestal (4), can settle workpiece to be cut on the said pedestal; Said cutting head can slide mobile with respect to said pedestal via a slide block (24) only; And Bearing assembly (26) is provided for relative to sliding and moves, and wherein said slide block possesses the outline that is formed by the outer surface of four flat (32), it is characterized in that; Said Bearing assembly comprises a plurality of roller bearings (48); Wherein said Bearing assembly comprises the bearing combination at least two intervals, and the bearing in every combination comprises the roller bearing (48) of each flat outer surface (32) that is used to be provided on the slide block, and said Bearing assembly is positioned on the mounting that is attached to pedestal (4); Said slide block and cutting head are provided as the end that said cutting head is fixed to said slide block; And along with moving of the said Bearing assembly in edge, said slide block and cutting head move with respect to said pedestal, move along the horizontal plane of the surface that is parallel to said pedestal (4) (8) so that said cutting head and slide block to be provided.

2. cutter unit according to claim 1, the outer shape of wherein said slide block on cross section is roughly square.

3. cutter unit according to claim 1, wherein said cutting head can move axially around parallel with said slide block substantially pivot, so that the oblique angle cutting to be provided.

4. cutter unit according to claim 1 wherein provides a retainer, at least so that the restriction to the moving range of said cutting head at least one direction to be provided on said slide block.

5. cutter unit according to claim 4, the position of wherein said retainer on said slide block can be adjusted by the user.

6. cutter unit according to claim 4 wherein provides two retainers, and first retainer is used to limit said cutting head along said slide block moving on first direction, and another retainer is used to be limited in moving on second rightabout.