CN101637833B - Miter saw - Google Patents

Miter saw Download PDF

Info

Publication number
CN101637833B
CN101637833B CN2008100214448A CN200810021444A CN101637833B CN 101637833 B CN101637833 B CN 101637833B CN 2008100214448 A CN2008100214448 A CN 2008100214448A CN 200810021444 A CN200810021444 A CN 200810021444A CN 101637833 B CN101637833 B CN 101637833B
Authority
CN
China
Prior art keywords
saw
laser
alignment device
diagonal cutting
collect plant
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
Application number
CN2008100214448A
Other languages
Chinese (zh)
Other versions
CN101637833A (en
Inventor
沃伦·布朗
哈利·索默
格雷厄姆·格哈德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Positec Power Tools Suzhou Co Ltd
Original Assignee
Positec Power Tools Suzhou Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Positec Power Tools Suzhou Co Ltd filed Critical Positec Power Tools Suzhou Co Ltd
Priority to CN2008100214448A priority Critical patent/CN101637833B/en
Publication of CN101637833A publication Critical patent/CN101637833A/en
Application granted granted Critical
Publication of CN101637833B publication Critical patent/CN101637833B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention discloses a miter saw, which comprises a worktable, a supporting device conjugated with the worktable and a saw mechanism conjugated with the supporting device through a rotating shaft, wherein the saw mechanism rotates between a rest position and a working position. The miter saw is provided with a dust collection device which is pivotally conjugated with a fixed protective cover and the supporting device, wherein the dust collection device is provided with a laser alignment device. Thus, when the saw mechanism is at the rest position, a laser beam emitted by the laser alignment device is projected into a cutting region to ensure the convenient alignment by an operator; while when the saw mechanism is at the working station, the laser alignment device pivots to separate from a dust collection pipe so as to avoid absorption of saw dust splashed around and keep clean.

Description

Diagonal cutting saw
Technical field
The present invention relates to a kind of diagonal cutting saw, especially a kind of diagonal cutting saw that can keep laser cleaning with laser alignment function.
Background technology
Traditional diagonal cutting saw has very wide range of application as a kind of cutting tool, can be used to cut a lot of metals or nonmetallic materials, cuts efficient and convenient.Diagonal cutting saw generally comprises workbench, be positioned at the workbench top have motor with the saw blade saw and be connected workbench and the corner support of saw; Wherein saw centers on and rotatably connects with workbench with the relatively-stationary pivotal axis of workbench, thereby comes cut workpiece.
And the sawing work of traditional diagonal cutting saw mainly is: after at first the cut mark line is finished at operator position that workpiece will be cut off; Carry out tool setting then, just before energized, depress saw; Move and be cut workpiece, make the cut mark line that is cut on the workpiece aim at saw blade; So, after energized, saw blade is rotation at a high speed under the driving of motor, just can workpiece be cut into the size that the operator wants.But because the operator is the alignment case of observing saw blade and cut mark line through naked eyes; Add saw blade and have certain thickness; Aim at the cut mark line so be difficult to accomplish saw blade, can carry out tool setting again but also will depress saw, cumbersome.
Therefore diagonal cutting saw can be provided with a laser alignment device usually again; This laser alignment device can project a laser beam on surface of the work; The following cutter position of knowing this saw blade that so can let the operator be perfectly clear; Thereby travelling workpiece makes the cut mark line on it aim at saw blade more easily, just can workpiece be cut into the size that the operator wants accurately.
No. 6481322 patent of the U.S. is in disclosing a kind of diagonal cutting saw; This diagonal cutting saw comprises workbench, be positioned at the workbench top have motor with the saw blade saw and be connected workbench and the corner support of saw, wherein saw comprises and is used for the support arm that is connected with the corner support.It is equipped with laser alignment device on this support arm; This laser alignment device can project a laser beam on surface of the work; The following cutter position of knowing this saw blade that so can let the operator be perfectly clear, thus workpiece is cut into the size that the operator wants accurately.But because diagonal cutting saw can produce a lot of sawdust in cutting process; And these sawdust can splash everywhere; If laser alignment device is by these sawdust absorption; Will make that the laser beam that projects is more and more lighter, have influence on operator's observation, thereby make that the operator is difficult to accurately workpiece aimed at the laser beam that projects; Serious, can so that the laser beam that laser alignment device projects cannot see, thereby make the operator to work easily and efficiently.
Summary of the invention
The technical problem that the present invention will solve: a kind of diagonal cutting saw that can keep the laser alignment device cleaning that has is provided.
Another technical problem that the present invention will solve: a kind of diagonal cutting saw that can accurately project laser beam is provided.
The technical solution adopted for the present invention to solve the technical problems: a kind of diagonal cutting saw, have the cutting zone that is used for cut workpiece, comprising:
Pedestal is used to support the workpiece that is cut;
Bracing or strutting arrangement connects with said pedestal;
Saw, with said bracing or strutting arrangement through a pivotal axis pivotal connection, said saw comprises and the secure shroud of bracing or strutting arrangement pivotal connection, the saw blade that is fixedly connected on the motor on the secure shroud and is driven by the motor rotation;
Laser alignment device, said laser alignment device produces a laser beam, is projected to form one alignment line on the said workbench, and the workpiece that is used to be cut is aimed at alignment line;
Center in the said pivotal axis rotary course at said saw; Said laser alignment device has all produced motion with respect to saw and said bracing or strutting arrangement; Said laser alignment device is connected with one of bracing or strutting arrangement with said secure shroud through jockey at least; Said jockey is a dust collect plant, and said dust collect plant has defined a control of dust passage, centers in the said pivotal axis rotary course at said saw; Said dust collect plant and said laser generator pivot together, and said laser alignment device and said control of dust passage separate.
Preferably, said saw rotates between position of rest and operating position around said pivotal axis, and said position of rest is that said saw is in the position under the free state; Said operating position is the position of said saw blade cut workpiece.
At said position of rest, said laser beam is incident upon in the said cutting zone.
In said operating position, said laser beam leaves said cutting zone.
Said laser alignment device comprises the laser generator of launching laser beam and is used for supporting the supporting seat of laser generator that said supporting seat is installed on the said jockey.
Said operating position, said laser generator is towards said bracing or strutting arrangement.
Said dust collect plant comprises a pair of sidewalls and an end wall, and said sidewall and said end wall have formed the control of dust passage.
Said end wall has one and supplies the inner surface of sawdust discharge, and the outer surface that is oppositely arranged, and said laser alignment device is arranged on the outer surface of said end wall.
Said dust collect plant and said secure shroud pivotal connection.
Said dust collect plant and said secure shroud are through the connecting rod pivotal connection.
One end of said connecting rod is through first pivot and said control of dust pipeline pivotal connection; The other end and said secure shroud flexibly connect.
Said control of dust pipeline and said bracing or strutting arrangement articulate through second pivot is fixing, and said first pivot and the said second pivot disalignment are provided with.
The beneficial effect of present technique scheme: diagonal cutting saw has a laser alignment device, and this laser alignment device is connected with one of said secure shroud or bracing or strutting arrangement through jockey at least, and this jockey can drive laser alignment device and pivots together.So, when position of rest, the laser beam that laser alignment device is launched is incident upon in the cutting zone, aims at the handled easily person; And when cutting position, laser alignment device is pivoted, itself and control of dust pipeline are separated, thereby the absorption of the sawdust that can avoid splashing make laser alignment device to keep clean everywhere.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is carried out concrete elaboration.
Fig. 1 is the stereogram of diagonal cutting saw of the present invention, and this moment, saw was in position of rest.
Fig. 2 is the another stereogram (here, second connector removes, exposes second gear) of diagonal cutting saw of the present invention.
Fig. 3 is the front view of diagonal cutting saw among Fig. 1, and this moment, saw was in position of rest.
Fig. 4 is the front view of diagonal cutting saw among Fig. 1, and this moment, saw clockwise rotated, and dust collect plant also clockwise rotates simultaneously.
Fig. 5 is the front view of diagonal cutting saw among Fig. 1, and this moment, saw clockwise rotated, and dust collect plant also clockwise rotates simultaneously.
Fig. 6 is the front view of diagonal cutting saw among Fig. 1, and this moment, saw clockwise rotated, and dust collect plant also clockwise rotates simultaneously.
Fig. 7 is the front view of diagonal cutting saw among Fig. 1, and this moment, saw clockwise rotated, and dust collect plant reaches the limit of the position.
Fig. 8 is the front view of diagonal cutting saw among Fig. 1, and this moment, saw was in the operating position.
Fig. 9 is the stereogram of diagonal cutting saw of the present invention, and this moment, saw was in the operating position.
Figure 10 is the stereogram of diagonal cutting saw of the present invention, and this moment, saw clockwise rotated, and second support member is in the 3rd operating position.
Wherein:
1. pedestal 11. guardrails 2. workbench
21. cutting groove 22. auxiliary support frames 3. saws
30. pivotal axis 31. saw blades 311. blade teeth
32. saw blade axis 33. secure shroud 331. bearing pins
34. movable shield 35. connecting portions 36. motors
37. dust-exhausting port 39. flow directions 4. bracing or strutting arrangements
41. first support member, 42. second support members, 43. longitudinal axis
44. retaining mechanism 5. laser alignment device 51. laser beams
52. alignment line 53. generating lasers 54. laser bench
6. dust collect plant 61. sidewalls 62. end walls
63. control of dust passage 64. control of dust pipelines 65. first pivots
66. second pivot, 67. inner surfaces, 68. outer surfaces
7. connecting rod 71. chutes 8. movable shield drive units
81. connecting rod 82. grooves 83. counterparts
84. first gear, 85. second gears, 86. first pins
87. second pin, 9. indicating mechanisms, 91. operating position marks
911. the first operating position mark, 912. second operating position marks 913. the 3rd operating position mark
92. mark 100. diagonal cutting saws 200. workpiece
210. cut mark line
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
The diagonal cutting saw here can be traditional diagonal cutting saw, slip diagonal cutting saw, Profile cut-off machine, platform/oblique compound saw or the like.
The tradition diagonal cutting saw has a position of rest, and like Fig. 1, Fig. 2 and shown in Figure 3, at this moment saw is in upper limit position, and this upper limit position just saw is in the position under the free state; Correspondingly, diagonal cutting saw also has an operating position, and like Fig. 8 and shown in Figure 9, saw blade carries out the position of cut workpiece when stating.Certainly, traditional diagonal cutting saw also has a lower position, and just saw blade descends cutting position most.
Bracing or strutting arrangement 4 that as shown in Figure 1, diagonal cutting saw 100 comprises pedestal 1, be used for supporting the workbench 2 that is cut workpiece 200, connect with workbench 2 rotations and the saw 3 that connects with bracing or strutting arrangement 4.Wherein saw 3 makes this saw 3 between position of rest and operating position, to pivot around pivotal axis 30 through the pivotal axis 30 pivotable bracing or strutting arrangements 4 that are connected.Wherein, pivotal axis 30 can be wholely set with saw 3 or bracing or strutting arrangement 4.
Certainly, here workbench and pedestal can be integrally formed.And bracing or strutting arrangement 4 also can be fixedly installed on the workbench.
Workbench 2 rotatable being arranged on the pedestal 1 are provided with cutting groove 21 on workbench 2; Also be provided with the guardrail 11 rectangular with this cutting groove 21 at pedestal 1, guardrail 11 is used for to workpiece 200 location.Both sides at pedestal 1 also are provided with auxiliary support frame 22, are used for to carrying out supplemental support than farm labourer's part.Saw 3 comprises saw blade 31, motor 36, secure shroud 33 and movable shield 34, and wherein saw blade 31 is positioned on the saw blade axis 32, and can be around saw blade axis 32 rotations; Saw blade axis 32 is driven by motor 36; On saw 3, also be provided with handle and carrying handle (all not shown among the figure), handle is used for the operator and grips saw 3 and carry out work, on handle, is provided with the switch (not shown), is used for starting and disable motor 36; Carrying handle is used for convenient carrying diagonal cutting saw 100; Secure shroud 33 usually and motor 36 be connected, in order to cover in part saw blade 31; Movable shield 34 is hinged on the secure shroud 33, is used at position of rest, covers in remaining saw blade 31, and movable shield 34 can decide guard shield 33 rotation relatively, is used for cut workpiece to expose saw blade 31.
This diagonal cutting saw has the cutting zone that is used for cut workpiece, and this cutting zone is 31 zones that can cut to of saw blade.
As shown in Figure 2, movable shield 34 is connected with movable shield drive unit 8, is used for opening fast and shutting movable shield 34.Secure shroud 33 is connected through pivotal axis 30 with bracing or strutting arrangement 4, thereby operating grip just can make saw 3 pivot and carry out cutting work.
Movable shield drive unit 8 includes connector, and the connector here is a connecting rod 81, and this connector also can adopt other rigidity or flexible element to substitute certainly.One end of the outside of movable shield 34 and connecting rod 81 is through pin (not shown) pivotal connection, and this pin and saw blade axis 32 laterally arrange.
The other end of connecting rod 81 is connected with a counterpart 83, and this counterpart 83 is used to connect connecting rod 81 and bracing or strutting arrangement 4, and wherein an end of counterpart 83 is through first pin 86 and connecting rod 81 pivotal connections; The other end is through second pin 87 and bracing or strutting arrangement 4 pivotal connections.
On the other end of counterpart 83, be provided with first gear 84 (profile of tooth not shown in the figures).
On secure shroud 33, be provided with second gear 85 that meshes with first gear 84, this second gear 85 and pivotal axis 30 coaxial settings.First pin 86 here, second pin 87, saw blade axis 32, pivotal axis 30 all laterally arrange.
The other end of connecting rod 81 is provided with groove 82, the first pins 86 and is arranged in groove 82, and can in groove 82, slide, and groove 82 has been arranged to certain-length, can manual unlocking movable shield 34 when making things convenient for saw 3 not pivot.
Interfere for the connecting portion 35 that prevents connecting rod 81 and motor 36 (not shown) and saw blade 31, the connecting rod 81 here is arranged to the bending of an arc, and flexibility is looked connecting portion 35 sizes of motor 36 and saw blade 31 and decided.
As shown in Figure 2, at this moment diagonal cutting saw 100 is in position of rest, like needs when this position of rest is transformed into the operating position; The operator only need push handle (not shown), and at this moment pivotal axis 30 is rotated counterclockwise, and drives second gear 85 and is rotated counterclockwise; Turn clockwise with first gear 84 of second gear, 85 engagements, drivening rod 81 hauls movable shield 34 and turns clockwise, thereby movable shield 34 is opened; Expose blade teeth 311 (as shown in Figure 5), so that cut workpiece 21.When saw 3 when the operating position is transformed into position of rest; Pivotal axis 30 turns clockwise, and drives second gear 85 and turns clockwise, and first gear 84 that meshes with second gear 85 is rotated counterclockwise; Drivening rod 81 hauls movable shield 34 and is rotated counterclockwise; Thereby movable shield 34 is shut, protect blade teeth 311, to satisfy safety standard.For the diameter of opening and shut movable shield 34, the second gears 85 fast bigger than first gear 84.
As shown in figures 1 and 3, cut workpiece also is provided with laser alignment device 5 on this diagonal cutting saw 100 for ease.This laser alignment device 5 can produce a laser beam 51; This laser beam 51 is projected to and forms one alignment line 52 (only show among the figure and be projected on the workpiece) on workbench 2 or the workpiece 200, and the cut mark line 210 on the workpiece 200 that is used to be cut is aimed at alignment line 52.
As shown in Figure 3, laser alignment device 5 comprises the laser generator 53 of launching laser beam 51 and is used for supporting the supporting seat 54 of laser generator 53.Certainly, be total to like those skilled in the art and know that this laser alignment device 5 also includes power supply and switch.
Because diagonal cutting saw 100 can produce a lot of sawdust in cutting process, and these sawdust can splash everywhere, are adsorbed onto on the laser alignment device 5 in order to prevent these sawdust, laser alignment device 5 is made dirty, thereby have influence on the reliability of aligning.
Therefore, this laser alignment device 5 can be by pivotally being installed in secure shroud 33 or bracing or strutting arrangement 4 with a jockey or even on workbench 2.When position of rest, the laser beam 51 that laser alignment device 5 is launched is incident upon in the cutting zone, aims at the handled easily person; And when cutting position, laser alignment device 5 is pivoted, the sawdust that itself and collection are splashed is everywhere separated, thereby make laser alignment device 5 to keep clean.
Jockey is a dust collect plant 6 in the present embodiment, and this jockey also can adopt other rigidity or flexible connector to substitute certainly.
This dust collect plant 6 can connect with secure shroud 33 and one of bracing or strutting arrangement 4 activity at least, and this dust collect plant 6 connects with saw 3 and bracing or strutting arrangement 4 respectively in the present embodiment.
As shown in Figure 1, dust collect plant 6 comprises a pair of sidewalls 61 and an end wall 62, and the shape of this sidewall 61 is roughly fan-shaped, also is designed to other shape certainly as required; And lead the effect of dirt, this end wall also has certain radian.This sidewall 61 has formed a control of dust passage 63 with end wall 62.This control of dust passage 63 pipeline that is not a sealing here.
Like Fig. 8 and shown in Figure 9, in the operating position, this control of dust passage 63 has just formed control of dust pipeline 64 with secure shroud 33, and this control of dust pipeline 64 is used for collecting and the discharge sawdust.Because saw blade 31 is in rotary course, cutting sawdust and dust that cut workpiece 200 produces move along the flow direction shown in Fig. 9 39.Like this, cutting chip and dust are directed into control of dust pipeline 64, are discharged in the dust collecting sleeve by the dust-exhausting port on the secure shroud 33 37 again.
Referring to Fig. 1 and Fig. 3, this dust collect plant 6 also has the inner surface 67 that a confession sawdust passes through, and the outer surface 68 that is oppositely arranged again.Supporting seat 54 is installed on the outer surface 68 of dust collect plant 6, separates with control of dust passage 63 and control of dust pipeline 64.
As shown in Figure 3, dust collect plant 6 pivots through a connecting rod 7 with secure shroud 33 and is connected.
One end of connecting rod 7 flexibly connects through first pivot 65 and dust collect plant 6; The other end and secure shroud 33 flexibly connect.
Secure shroud 33 is provided with bearing pin 331, and the other end of connecting rod 7 is provided with chute 71, and this bearing pin 331 is contained in the chute 71, and can slide with respect to chute 71.
As shown in Figure 2, dust collect plant 6 is fixed through second pivot 66 with bracing or strutting arrangement 4 and is articulated, and that is to say that second pivot 66 is fixing with respect to bracing or strutting arrangement 4.
Wherein, first pivot 65 and the 66 disalignment settings of second pivot.
Referring to Fig. 3, bracing or strutting arrangement 4 comprises first support member 41 that connects with workbench 2 and second support member 42 that connects with saw 3 again.Wherein first support member 41 defines a longitudinal axis 43; And this first support member 41 can rotate certain angle cut workpiece 200 at clockwise and counterclockwise both direction with respect to workbench 2 around this longitudinal axis 43, between first support member 4 and workbench 2, is provided with first support member 4 is locked at the retaining mechanism 44 on the workbench 2.
As shown in Figure 2, dust collect plant 6 is fixed through second pivot 66 with said second support member 42 and is articulated.
Like Fig. 3 and shown in Figure 10, second support member 42 can move along the longitudinal axis 43 directions with respect to first support member 41, and after arriving some predetermined operating positions, carries out cutting work.So, can improve the cutting power of this diagonal cutting saw 100, make this diagonal cutting saw 100 can cut the workpiece of more specifications.
Predetermined different operating position is corresponding with permissible maximum cut workpiece specification.The maximum cut form of permissible workpiece comprises that permissible workpiece is in the full-size on the longitudinal axis 43 directions (width of workpiece just) or perpendicular to the full-size on the longitudinal axis 43 directions (height of workpiece just).
This diagonal cutting saw 100 comprises the indicating mechanism 9 that is used to indicate predetermined operating position.As shown in Figure 3; Indicating mechanism 9 comprises and is arranged on the operating position mark 91 on first support member 41 and is arranged on the cue mark 92 on second support member 42; When second support member 42 moves to the relevant work position, cue mark 92 and operating position mark 91 over against.Certainly, the operating position mark also can be arranged on second support member 42, and the cue mark that matches with it is arranged on first support member 41.
Some predetermined operating positions are arranged in order being parallel on the longitudinal axis 43 directions, and in the present embodiment, this diagonal cutting saw has three operating positions, certainly, also can be provided with more or less cutting position as required.
As shown in Figure 2, operating position mark 91 comprises first, second, third operating position mark 911,912,913.
First support member 4 and second support member 5 all can be processed by iron, like cast iron or ferroalloy or the like.Adopt iron can increase rigidity, can also reduce cost simultaneously.
Certainly, here, first support member 41 and second support member 42 can also be integrally formed, like traditional diagonal cutting saw.
Before diagonal cutting saw is dispatching from the factory; The alignment line 52 that need laser generator 5 be penetrated; Remain on the same depth of parallelism with saw blade 31 calibrations; So that the operator can obtain indicating effect accurately in use in the future, so supporting seat 54 can be designed to and can regulate with respect to dust collect plant 6, or laser generator 53 can be regulated with respect to supporting seat 54.
Can certainly regulate the position of dust collect plant 6, thereby make the alignment line 52 that laser generator 53 is penetrated, remain on the same depth of parallelism with saw blade 31 calibrations with respect to secure shroud 33 or bracing or strutting arrangement 4.
As shown in Figure 3, diagonal cutting saw 100 is in position of rest, and cue mark 92 and the first operating position mark 911 over against, this diagonal cutting saw 100 is in predetermined first operating position.At this moment open the switch of laser alignment device 5, this laser alignment device 5 will produce a laser beam 51, and this laser beam 51 is incident upon in the cutting zone, just is incident upon on the workpiece 200 that is cut.Laser beam 51 is projected to and has formed alignment line 52 on the workpiece 200 one, thereby can the handled easily person move the workpiece 200 that is cut, and the cut mark line 210 on it is aimed at alignment line 52, feasible cut workpiece accurately.
Then; As shown in Figure 4; Push saw 3, make it center on pivotal axis 30 and clockwise rotate, because saw 3 clockwise rotates to the operating position; Its connecting rod 7 that connects saw 3 and dedusting position 6 impels dust collect plant 6 to clockwise rotate around second pivot 66 (as shown in Figure 2), and this dust collect plant 6 also can drive laser alignment device 5 and clockwise rotates together simultaneously.
Push saw 3, make it continue to clockwise rotate, to shown in Figure 6, at this moment movable shield 34 is opened under the drive of movable shield drive unit 8, exposes blade teeth 311, so that cut workpiece 200 like Fig. 5; The laser alignment device 5 that drives dust collect plant 6 also continues to continue to clockwise rotate around second pivot 66 together, and the projecting direction of the laser beam 51 of laser alignment device 5 generations simultaneously also leaves cutting zone at leisure in rotation process.
Continue to push saw 3 a bit contacting on the end wall 62 of dust collect plant 6 and bracing or strutting arrangement 4; Extremely shown in Figure 7 like Fig. 6; At this moment dust collect plant 6 has arrived minimum extreme position; At this moment the inlet of the control of dust pipeline 64 that forms of the control of dust passage 63 of dust collect plant 6 and secure shroud 33 is near workbench 2, and just can collect more sawdust the closer to workbench.Laser alignment device 5 is because after pivoting simultaneously; Its laser generator is towards bracing or strutting arrangement 4; If do not close switch, the laser beam 51 that this laser alignment device 5 produces has left cutting zone fully, can avoid laser beam 51 directive operator always like this.As at this moment continuing to push saw 3, the bearing pin 331 on the secure shroud just can slide in chute 71, is convenient to saw 3 and continues to press down, and realizes cutting.
Saw 3 continues to clockwise rotate the arrival cutting position, and to shown in Figure 9, at this moment saw blade 31 fast rotational under the driving of motor 36 is cut workpiece 200 like Fig. 8, and simultaneously, control of dust passage 63 has formed control of dust pipeline 64 with secure shroud 33.And move and be directed into control of dust pipeline 64 along the flow direction shown in Fig. 8 39 by sawdust and the dust that saw blade 31 produces in cutting process, be discharged in the dust collecting sleeve by dust-exhausting port 37 again.And laser alignment device 5 has been because after pivoting, its laser generator has separated with control of dust pipeline 64 towards bracing or strutting arrangement 4 fully, thus the sawdust that can not spattered everywhere absorption, thus keep the cleaning of this laser alignment device 5.
Shown in figure 10, at this moment second support member 42 moves along the longitudinal axis 43 directions with respect to first support member 41, make cue mark 92 and the 3rd operating position mark 913 over against, this diagonal cutting saw 100 is in predetermined the 3rd operating position.Different with first operating position is: along with saw 3 clockwise rotates in the process around pivotal axis 30, impel dust collect plant 6 to drive laser alignment device 5 and clockwise rotate around second pivot 66 (as shown in Figure 3) together; Continue to push saw 3 and contact with workbench up to the end wall 62 of dust collect plant 6, at this moment dust collect plant 6 has arrived minimum extreme position.Like this, the control of dust passage 63 of dust collect plant 6 contacts with workbench with the inlet of the control of dust pipeline 64 that secure shroud 33 forms, and is positioned at cutting groove 21 places.So, can collect more sawdust.
After cutting was accomplished, as shown in Figure 3, saw 3 returned back to position of rest fast under the effect of back-moving spring (not shown).In this process, the bearing pin 331 on the secure shroud 33 slides in chute 71, contacts up to the top of bearing pin 331 with chute 71, and is as shown in Figure 6; At this moment dust collect plant 6 can drive laser alignment device 5 rotate counterclockwise around second pivot 66 together, and is as shown in Figure 5; End wall 62 to dust collect plant 6 contacts with bracing or strutting arrangement 4, and is as shown in Figure 3, and at this moment dust collect plant 6 arrives the highest extreme position, and the laser beam 51 that laser alignment device 5 produces is incident upon in the cutting zone, just is incident upon on the workpiece 200 that is cut.Laser beam 51 is projected to and has formed alignment line 52 on the workpiece 200 one, thereby can the handled easily person move the workpiece 200 that is cut, and the cut mark line 210 on it is aimed at alignment line 52, feasible cut workpiece accurately.

Claims (12)

1. a diagonal cutting saw has the cutting zone that is used for cut workpiece, comprising:
Pedestal is used to support the workpiece that is cut;
Bracing or strutting arrangement connects with said pedestal;
Saw, with said bracing or strutting arrangement through a pivotal axis pivotal connection, said saw comprises and the secure shroud of bracing or strutting arrangement pivotal connection, the saw blade that is fixedly connected on the motor on the secure shroud and is driven by the motor rotation;
Laser alignment device, said laser alignment device produces a laser beam, is projected to form one alignment line on the workbench, and the workpiece that is used to be cut is aimed at alignment line;
It is characterized in that: center in the said pivotal axis rotary course at said saw; Said laser alignment device has all produced motion with respect to saw and said bracing or strutting arrangement; Said laser alignment device is connected with one of bracing or strutting arrangement with said secure shroud through jockey at least, and said jockey is a dust collect plant, and said dust collect plant has defined a control of dust passage; Said laser alignment device comprises the laser generator of launching laser beam; In said pivotal axis rotary course, said dust collect plant and said laser generator pivot together at said saw, and said laser alignment device and said control of dust passage separate.
2. diagonal cutting saw according to claim 1 is characterized in that: said saw rotates between position of rest and operating position around said pivotal axis, and said position of rest is that said saw is in the position under the free state; Said operating position is the position of said saw blade cut workpiece.
3. diagonal cutting saw according to claim 2 is characterized in that: at said position of rest, said laser beam is incident upon in the said cutting zone.
4. diagonal cutting saw according to claim 2 is characterized in that: in said operating position, said laser beam leaves said cutting zone.
5. diagonal cutting saw according to claim 4 is characterized in that: said laser alignment device comprises the supporting seat that is used for supporting laser generator, and said supporting seat is installed on the said jockey.
6. diagonal cutting saw according to claim 5 is characterized in that: said operating position, said laser generator is towards said bracing or strutting arrangement.
7. diagonal cutting saw according to claim 6 is characterized in that: said dust collect plant comprises a pair of sidewalls and an end wall, and said sidewall and said end wall have formed the control of dust passage.
8. diagonal cutting saw according to claim 7 is characterized in that: said end wall has one and supplies the inner surface of sawdust discharge, and the outer surface that is oppositely arranged, and said laser alignment device is arranged on the outer surface of said end wall.
9. diagonal cutting saw according to claim 1 is characterized in that: said dust collect plant and said secure shroud pivotal connection.
10. diagonal cutting saw according to claim 9 is characterized in that: said dust collect plant and said secure shroud are through the connecting rod pivotal connection.
11. diagonal cutting saw according to claim 10 is characterized in that: an end of said connecting rod is through first pivot and said dust collect plant pivotal connection; The other end and said secure shroud flexibly connect.
12. diagonal cutting saw according to claim 11 is characterized in that: said dust collect plant and said bracing or strutting arrangement articulate through second pivot is fixing, and said first pivot and the said second pivot disalignment are provided with.
CN2008100214448A 2008-08-01 2008-08-01 Miter saw Expired - Fee Related CN101637833B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008100214448A CN101637833B (en) 2008-08-01 2008-08-01 Miter saw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008100214448A CN101637833B (en) 2008-08-01 2008-08-01 Miter saw

Publications (2)

Publication Number Publication Date
CN101637833A CN101637833A (en) 2010-02-03
CN101637833B true CN101637833B (en) 2012-04-25

Family

ID=41613116

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008100214448A Expired - Fee Related CN101637833B (en) 2008-08-01 2008-08-01 Miter saw

Country Status (1)

Country Link
CN (1) CN101637833B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103252656A (en) * 2013-04-25 2013-08-21 上海锐奇工具股份有限公司 Steel material cutter and locking method of knife head of steel material cutter
CN103240641B (en) * 2013-05-09 2015-04-22 常州大学 Three-freedom-degree-adjustable sawblade mechanism
US20150322443A1 (en) * 2014-05-06 2015-11-12 Dow Agrosciences Llc System for cutting and preparing seeds and method of use
CN105945647A (en) * 2016-06-29 2016-09-21 苏州博来喜电器有限公司 Dust-free cutting tool

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6481322B1 (en) * 2000-01-13 2002-11-19 Limate Corporation Sawing apparatus combined with marking device
CN2661352Y (en) * 2003-12-02 2004-12-08 苏州宝时得电动工具有限公司 Cutting tool with laser alignment apparatus
CN201279625Y (en) * 2008-08-06 2009-07-29 苏州宝时得电动工具有限公司 Oblique cutting saw

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6481322B1 (en) * 2000-01-13 2002-11-19 Limate Corporation Sawing apparatus combined with marking device
CN2661352Y (en) * 2003-12-02 2004-12-08 苏州宝时得电动工具有限公司 Cutting tool with laser alignment apparatus
CN201279625Y (en) * 2008-08-06 2009-07-29 苏州宝时得电动工具有限公司 Oblique cutting saw

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2002-307231A 2002.10.23

Also Published As

Publication number Publication date
CN101637833A (en) 2010-02-03

Similar Documents

Publication Publication Date Title
JP4209911B2 (en) Cast product surplus part cutting device
CN101637833B (en) Miter saw
JP4650296B2 (en) Tabletop cutting machine
WO2012099207A1 (en) Hand-held electric cutting machine
CA2285638A1 (en) Improved dust collection system
TWI345499B (en) Miter lock assembly for miter saws
JP2009061741A (en) Portable cutter
JP5835611B2 (en) Sliding tabletop cutting machine
US10471525B2 (en) Reciprocating saw mechanism
CN101642829B (en) Diagonal cutting saw
CN201279625Y (en) Oblique cutting saw
CN201253711Y (en) Miter saw
EP1428639A1 (en) Powered planer tool
JP4780528B2 (en) Tabletop cutting machine
JP2010149457A (en) Portable cutter
EP1852227B1 (en) Blade guard assembly for a saw
CN101758291B (en) Cutter
EP2343146B1 (en) Chop sawing machine provided with guard means
JP4936220B2 (en) Electric tool
JP4715786B2 (en) Tabletop cutting machine
TW201012576A (en) Miter saw
JP4954489B2 (en) Pipe cutting machine
JP6711363B2 (en) Reciprocating tool
JP4671125B2 (en) Tabletop cutting machine
CN209774562U (en) Cutting machine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120425

Termination date: 20160801

CF01 Termination of patent right due to non-payment of annual fee