TW201420239A - Bevel angle adjustment device for a miter saw - Google Patents

Bevel angle adjustment device for a miter saw Download PDF

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Publication number
TW201420239A
TW201420239A TW101144491A TW101144491A TW201420239A TW 201420239 A TW201420239 A TW 201420239A TW 101144491 A TW101144491 A TW 101144491A TW 101144491 A TW101144491 A TW 101144491A TW 201420239 A TW201420239 A TW 201420239A
Authority
TW
Taiwan
Prior art keywords
guiding
disposed
unit
latching
hole
Prior art date
Application number
TW101144491A
Other languages
Chinese (zh)
Other versions
TWI490066B (en
Inventor
Cheng-Hung Chiu
Original Assignee
Rexon Ind Corp 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 Rexon Ind Corp Ltd filed Critical Rexon Ind Corp Ltd
Priority to TW101144491A priority Critical patent/TWI490066B/en
Publication of TW201420239A publication Critical patent/TW201420239A/en
Application granted granted Critical
Publication of TWI490066B publication Critical patent/TWI490066B/en

Links

Abstract

An angle adjusting device for a sawing machine includes a fixing member and a positioning unit, the fixing member has an axis and a flange disposed around the axis, the positioning unit has a body, a first and a second clamping block and a The swinging rod has a shaft hole, and the first and second clamping blocks are nested in the body, and the swinging rod shaft is disposed in the shaft hole and has a pulling portion. The operation of the triggering portion can drive the first and second clamping blocks to be brought closer to or away from the flange, and the sawing machine can be adjusted for angle adjustment.

Description

Angle adjusting device for sawing machine
The invention relates to a sawing machine, in particular to an angle adjusting device of a sawing machine.
A saw blade angle adjusting device of a sawing machine is a support base that is locked with a top surface of a table that is rotatable relative to a base, and a rotating member is rotatably shaft-mounted on the support base by a shaft bolt The rotating member has a circular arc slot and a locking bolt that can pass through the circular arc slot and is locked to the supporting seat, and a saw blade unit is mounted on the rotating member.
When the locking bolt is loosened, the rotation of the circular slot with the locking bolt can cause the rotating member to drive the saw blade unit to pivot with the center line of the shaft as the center of rotation, and then When the locking bolt is locked, the inclination angle of the saw blade unit can be fixed.
Although the above-mentioned saw blade angle adjusting device can achieve the purpose of adjusting the machining angle of the saw blade unit, because the locking bolt is close to the pivot pin, the saw blade unit coupled to the rotating member has a considerable weight. The operator must hold the saw blade unit with one hand before unscrewing the locking bolt, and then operate the locking bolt with the other hand around the sawing machine, which is inconvenient to operate. .
Moreover, the tightening force generated by the locking bolt only by the locking bolt may be insufficient after the use for a period of time, and the locking force of the saw blade unit is not correct.
Accordingly, it is an object of the present invention to provide an angle adjusting device for a sawing machine that can be easily positioned, labor-saving, and adjusted to produce a true positioning.
Therefore, the angle adjusting device of the sawing machine of the present invention further comprises a base unit, a saw table rotatable relative to the base unit, and a sawing unit rotatable relative to the saw table, The angle adjusting device comprises a fixing member and a positioning unit. The fixing member is coupled to one of the base unit and the saw table, and has an axis and a flange disposed around the axis, the flange having a first side and a second opposite the first side a side surface, the positioning unit has a body coupled to one of the saw table and the sawing unit, a first clamping block slidably nested in the body, and a slidable opposite to the first clamping block Nested in the second clamping block of the body and a raking rod, the body having a shaft hole disposed along a center line parallel to the axis, the first clamping block having a first along the center line a guiding hole and a first clamping surface opposite to the first side, the second clamping block has a second guiding hole disposed along the center line and a second clamping surface opposite to the second side, the second clamping surface a swinging rod shaft is disposed in the shaft hole and passes through the first guiding hole and the second guiding hole, and has a pulling portion, and the pulling portion is operable to drive the first and second clamping blocks relative to the convex portion The edges are clipped or away.
The effect of the present invention is that the positioning unit is coupled to the saw table or the sawing unit, and when the rotating rod is rotated, the first and second clamping blocks can be driven to be clamped or separated from the flange, and The positioning unit, together with the sawing table or the sawing unit, is positioned or angled relative to the fixing member or the base unit and the sawing table, which not only adjusts easily and labor-saving, but also provides better positioning after adjustment.
The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments.
As shown in FIG. 1, FIG. 2 and FIG. 5, in a preferred embodiment of the angle adjusting device of the sawing machine of the present invention, the sawing machine further comprises a base unit 100, which is rotatable relative to the base unit 100. The sawing unit 200 and a sawing unit 300 that is rotatable relative to the sawing table 200 and has a saw blade 301. The angle adjusting device of the present embodiment is mainly applicable to the adjustment of the sawing angle of the sawing unit 300, and includes a sawing unit 300. The fixing member 10, a positioning unit 20 and a cassette unit 30.
3 and 4, the fixing member 10 of the present embodiment is coupled to the saw table 200. The fixing member 10 has a fan-shaped plate shape and has an axis L which is close to the top surface of the saw table 200 and surrounds the same. a flange 11 disposed on the axis L and a plurality of holes 12 surrounding the axis L and disposed on a side of the flange 11 , the flange 11 having a first side 111 and a second side 112 opposite to the first side 111 In addition, the fixing member 10 further has a first end portion 113 and a second end portion 114 opposite to the first end portion 113. The card holes 12 are disposed at equal intervals on the first and second end portions 113. Between 114.
With reference to FIG. 6 and FIG. 8 , the positioning unit 20 has a body 21 coupled to the sawing unit 300 , a first clamping block 22 slidably nested in the body 21 , and a first clamping block 22 . The second clamping block 23 and the swaying rod 24 are oppositely disposed and slidably nested in the body 21.
The body 21 has a shaft hole 211 disposed along a center line L1 parallel to the axis L, and a restriction formed on the side of the shaft hole 211 and having an arch shape. a portion 212, a sliding groove 213 communicating with the limiting portion 212, and a mounting hole 214 provided on the side of the shaft hole 211 and having a non-circular shape, the mounting hole 214 of the embodiment Square.
The shape of the first clamping block 22 corresponds to the limiting portion 212, and has a first sleeve portion 221 that is non-rotatably nested in the limiting portion 212 and has an arch shape, and a first portion disposed along the center line L1. The guiding hole 222, the first engaging portion 222' disposed on the first guiding hole 222, and a first clamping surface 223 opposite to the first side surface 111 and perpendicular to the center line L1. The first engaging portion 222' of the embodiment is a left-handed internal thread or a convex column (not shown).
The shape of the second clamping block 23 corresponds to the limiting portion 212, and has a second sleeve portion 231 that is non-rotatably nested in the limiting portion 212 and has an arch shape, and a second portion disposed along the center line L1. a guiding hole 232, a second engaging portion 232' disposed on the second guiding hole 232, and a second clamping surface 233 opposite to the second side 112 and perpendicular to the center line L1, the first clamping block The second clamping block 23 is disposed on the two sides of the sliding slot 213. The second clamping surface 233 is opposite to the first clamping surface 223. The second engaging portion 232' of the embodiment is right-handed. The internal thread can also be a convex column (not shown).
In conjunction with FIG. 7, the swaying rod 24 is axially disposed in the shaft hole 211, and has a cylindrical writting portion 241, a handle 242 coupled to the writting portion 241, and a protruding portion. a guiding block 243 on one side of the portion 241, a first guiding portion 244 disposed on the side of the pulling portion 241 and passing through the first guiding hole 222 along the center line L1, and a first guiding portion 244 disposed on the first guiding portion a first guiding portion 244 ′ of the segment 244 and having a spiral shape, a second guiding portion 245 disposed on the side of the first guiding portion 244 along the center line L1 and passing through the second engaging portion 232 One at The second guiding portion 245 is a spiral second guiding portion 245 ′ and a guiding portion 246 disposed on the guiding block 243 on the side of the pulling portion 241 and extending spirally around the center line L1. The first guiding portion 244 is opposite to the spiral direction of the second guiding portion 245. The first guiding portion 244' of the embodiment may be a left-handed external thread (the first guiding portion 244' may also be left-handed The second guiding portion 245 ′ may be a right-handed external thread (the second guiding portion 245 ′ may also be a right-handed groove, not shown), and the first engaging portion 222 . 'In engagement with the first guiding portion 244', the second engaging portion 232' is engaged with the second guiding portion 245'. The guiding portion 246 has a spiral surface shape.
Referring to FIG. 6 , FIG. 7 and FIG. 8 , the latch unit 30 is mounted on the mounting hole 214 and has a latching member 31 engageable in one of the latching holes 12 and a latching member 31 . An elastic member 32 between the body 21. The latching member 31 does not rotate and can only move axially along the mounting hole 214, and has a receiving portion 311 that engages with the guiding portion 246, and a locking portion 312 that can be inserted into one of the latching holes 12. a retaining ring 313 disposed between the engaging portion 312 and the receiving portion 311 and an engaging portion 314 disposed between the receiving portion 311 and the retaining ring 313 The receiving portion 311 has a convex lip shape, and the engaging portion 314 has a non-circular cross section (square shape in this embodiment) and corresponds to the shape of the mounting hole 214. The elastic member 32 is elastically biased between the buckle 313 and the body 21, and the elastic force of the elastic member 32 constantly keeps the latching member 31 into the card hole 12.
As shown in FIG. 4, FIG. 5 and FIG. 8, when the positioning unit 20 and the cassette unit 30 have been assembled, and the fixing member 10 is fixedly disposed on the side of the saw table 200, the body of the positioning unit 20 21 has been locked in the sawing unit When the top of the 300 is at the top of the frame, the sliding groove 213 of the body 21 is sleeved on the flange 11, and the first and second clamping blocks 22, 23 are driven to be relatively close by the cocking rod 24, and the first and second clamping portions are made. The positioning unit 20 is fixed on the fixing member 10, that is, the cutting unit 300 passes through the positioning unit 20 and the surface 223 and 233 are respectively formed on the first and second side surfaces 111 and 112. The fixing member 10 is fixed to the saw table 200, and is fixed to the first end portion 113 of the fixing member 10 by using the positioning unit 20 as shown in FIG. 1 , FIG. 3 , FIG. 4 and FIG. 5 . The saw blade 301 of the saw unit 300 can be held perpendicular to the saw table 200.
At the same time, the locking portion 312 of the latching member 31 of the latching unit 30 can be engaged in the corresponding latching hole 12 by the elastic force of the elastic member 32, and the saw blade 301 of the sawing unit 300 can be ensured. Processing angle.
As shown in FIG. 9 , FIG. 10 and FIG. 11 , when the operator wants to adjust the machining angle of the saw unit 300 , the handle 242 of the swing lever 24 can be pulled, and the first and second guides are guided. When the segments 244, 245 are rotated, the first and second clamping blocks 22, 23 are relatively far apart, and the first and second clamping faces 223, 233 are disengaged from the first and second sides 111, 112 of the flange 11. The guide portion 246 extending spirally around the center line L1 is also used to rotate, and the guide portion 246 is used to guide the receiving portion 311 while the rotation of the tilting lever 24 is being operated. The engaging member 31 can be moved to move out relative to the body 21 in the axial direction, and the locking portion 312 can be removed from the corresponding hole 12 to make the positioning unit 20 The fixing member 10 is slidable, that is, the sawing unit 300 is slidable relative to the fixing member 10, and is also slidable relative to the saw The stage 200 produces a tilt adjustment.
As shown in FIG. 10 and FIG. 11 , when the positioning unit 20 slides to the second end portion 114 of the fixing member 10 , the saw blade of the sawing unit 300 can be inclined relative to the top surface of the saw table 200 . Degree angle.
Therefore, the present invention utilizes the cooperation of the positioning unit 20 and the fixing member 10 to achieve the purpose of adjusting the machining angle of the saw blade 301 of the sawing unit 300 without any step, and can be moved while operating the swinging lever 24. The latching member 31 is moved in and out relative to the body 21 in the axial direction, and the engagement of the engaging portion 312 with the card holes 12 can also achieve the purpose of positioning at a fixed angle.
Moreover, even if the latch unit 30 is not provided, only the cooperation of the positioning unit 20 and the fixing member 10 can achieve the purpose of adjusting the processing angle of the saw blade 301 of the saw unit 300 and adjusting the positioning.
It is to be noted that the fixing member 10 of the embodiment is coupled to the saw table 200. The positioning unit 20 is coupled to the sawing unit 300. In fact, the fixing member 10 can also be coupled to the machine. The positioning unit 20 can also be coupled to the saw table 200, and the angle adjusting device can also adjust the sawing table 200 to drive the sawing unit 300 to adjust the working angle with respect to the base unit 100. .
The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.
100‧‧‧ base unit
223‧‧‧First sandwich face
200‧‧‧ saw table
23‧‧‧Second clamp
300‧‧‧ sawing unit
231‧‧‧Second set of joints
301‧‧‧Saw blade
232‧‧‧Second guide hole
10‧‧‧Fixed parts
232’‧‧‧Second Bonding Department
L‧‧‧ axis
233‧‧‧Second gripping surface
11‧‧‧Flange
24‧‧‧掣动杆
111‧‧‧ first side
241‧‧‧Turning Department
112‧‧‧ second side
242‧‧‧Handle
113‧‧‧ first end
243‧‧‧ Guide block
114‧‧‧second end
244‧‧‧First guiding segment
12‧‧‧Kakong
244’‧‧‧First Guidance
20‧‧‧ Positioning unit
245‧‧‧Second guiding section
21‧‧‧ body
245’‧‧‧Second guidance
L1‧‧‧ center line
246‧‧‧ Guidance Department
211‧‧‧ shaft hole
30‧‧‧Carmen unit
212‧‧‧Restrictions
31‧‧‧ Cards
213‧‧ ‧ chute
311‧‧‧Responsible
214‧‧‧Installation holes
312‧‧‧Card Department
22‧‧‧First clamp
313‧‧‧ buckle
221‧‧‧ First set of joints
314‧‧‧ Engagement section
222‧‧‧First guide hole
32‧‧‧Flexible parts
222’‧‧‧First Joint Department
1 is a front view combined view showing a preferred embodiment of the angle adjusting device of the sawing machine of the present invention; FIG. 2 is a top plan view of the preferred embodiment of the present invention; FIG. 4 is a perspective view of another preferred embodiment of the present invention; FIG. 5 is a perspective view of another preferred embodiment of the present invention; FIG. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 7 is a perspective view of a swaying rod according to a preferred embodiment of the present invention; FIG. 8 is a cross-sectional view of a preferred embodiment of the present invention; FIG. FIG. 10 is a perspective view of a perspective adjustment assembly according to a preferred embodiment of the present invention; and FIG. 11 is a perspective view of an angle adjustment combination of the above preferred embodiment of the present invention.
10‧‧‧Fixed parts
11‧‧‧Flange
111‧‧‧ first side
112‧‧‧ second side
113‧‧‧ first end
114‧‧‧second end
12‧‧‧Kakong
20‧‧‧ Positioning unit
21‧‧‧ body
L1‧‧‧ center line
211‧‧‧ shaft hole
212‧‧‧Restrictions
213‧‧ ‧ chute
214‧‧‧Installation holes
22‧‧‧First clamp
221‧‧‧ First set of joints
222‧‧‧First guide hole
222’‧‧‧First Joint Department
223‧‧‧First sandwich face
23‧‧‧Second clamp
231‧‧‧Second set of joints
232‧‧‧Second guide hole
232’‧‧‧Second Bonding Department
233‧‧‧Second gripping surface
24‧‧‧掣动杆
241‧‧‧Turning Department
242‧‧‧Handle
243‧‧‧ Guide block
244‧‧‧First guiding segment
244’‧‧‧First Guidance
245‧‧‧Second guiding section
245’‧‧‧Second guidance
246‧‧‧ Guidance Department
30‧‧‧Carmen unit
31‧‧‧ Cards
311‧‧‧Responsible
312‧‧‧Card Department
313‧‧‧ buckle
314‧‧‧ Engagement section
32‧‧‧Flexible parts

Claims (10)

  1. An angle adjusting device for a sawing machine, the sawing machine further comprising a base unit, a saw table rotatable relative to the base unit, and a sawing unit rotatable relative to the saw table, the angle adjusting device The utility model comprises: a fixing member coupled to one of the base unit and the saw table, and having an axis and a flange disposed around the axis, the flange having a first side and a opposite to the first side a second side; and a positioning unit having a body coupled to one of the saw table and the sawing unit, a first clamping block slidably nested in the body, and a first clamping block a second clamping block and a swaying rod that are oppositely disposed and slidably nested in the body, the body having a shaft hole disposed along a center line parallel to the axis, the first clamping block having a center along the center a first guiding hole disposed on the line and a first clamping surface opposite to the first side, the second clamping block having a second guiding hole disposed along the center line and a second opposite to the second side a clamping surface, the swaying rod shaft is disposed in the shaft hole and passes through the first guiding hole, A second guide hole, and having a pulling portion, the pulling operation of the driving portion may be first and second clamp blocks generated with respect to the caliper away from the flange.
  2. The angle adjusting device of the sawing machine according to the first aspect of the invention, wherein the body of the positioning unit further has a restricting portion disposed on one side of the shaft hole, the first clamping block being non-rotatably nested The limiting portion further has a first engaging portion disposed on the first guiding hole, the second clamping block is non-rotatably nested in the limiting portion, and further has a first card disposed on the second guiding hole a hinge portion, the swing lever further has a setting portion along the center line at the trigger portion a first guiding portion disposed on the first guiding hole, a first guiding portion disposed on the first guiding portion and having a spiral shape, and a first guiding portion disposed along the center line a second guiding portion disposed on the second guiding hole and a second guiding portion disposed on the second guiding portion and having a spiral shape, the first guiding portion and the second guiding portion The spiral direction of the lead portion is opposite, the first engaging portion is engaged with the first guiding portion, the second engaging portion is engaged with the second guiding portion, and the rotating rod is rotated to drive the first and second portions The clip is clamped or spaced away from the flange.
  3. The angle adjusting device of the sawing machine according to claim 2, wherein the restricting portion of the body of the positioning unit has an arcuate groove shape, and the body further has a flange connected to the restricting portion The first clamping block and the second clamping block have a shape corresponding to the limiting portion and are disposed on both sides of the sliding slot.
  4. The angle adjusting device of the sawing machine according to claim 3, wherein the fixing member further has a plurality of holes around the axis and a side of the flange, and the body of the positioning unit further has a The angle adjusting device further has a latching unit mounted on the mounting hole, and the latching unit has a latching member that can be inserted into one of the latching holes.
  5. The angle adjusting device of the sawing machine according to claim 4, wherein the raking rod of the positioning unit further has a guiding portion disposed on one side of the pulling portion and extending spirally around the center line. The latching member of the latch unit does not rotate and can only move axially along the mounting hole, and has a receiving portion that engages with the guiding portion and a card that can be inserted into one of the card holes. And rotating the raking rod to cause the latching member to be inserted or disengaged in the axial direction relative to the hole of the fixing member.
  6. The angle adjusting device of the sawing machine according to the fifth aspect of the invention, wherein the guiding portion of the raking rod of the positioning unit has a spiral shape, and the receiving portion of the latching member of the locking unit is convex Lip shape.
  7. The angle adjusting device of the sawing machine according to the fifth or sixth aspect of the invention, wherein the latching unit further has an elastic member that is elastically engaged between the latching member and the body, the elastic member The spring force constantly keeps the card member in a tendency to embed the card holes.
  8. The angle adjusting device of the sawing machine according to the seventh aspect of the invention, wherein the latching member of the latching unit further has a buckle disposed between the engaging portion and the receiving portion, the elasticity A piece of bullet is struck between the buckle and the body.
  9. The angle adjusting device of the sawing machine according to the eighth aspect of the invention, wherein the mounting hole of the body of the positioning unit is non-circular, and the latching member of the latching unit has a mounting hole disposed in the mounting hole and is disposed on the mounting hole An engaging portion between the receiving portion and the buckle, the engaging portion has a non-circular cross section and corresponds to a shape of the mounting hole.
  10. The angle adjusting device of the sawing machine according to the second aspect of the invention, wherein the first engaging portion of the first clamping block of the positioning unit is a left-handed internal thread, and the second clamping portion is second engaged. The portion may be a right-handed internal thread, the first guiding portion of the raking rod may be a left-handed external thread, and the second guiding portion may be a right-handed external thread.
TW101144491A 2012-11-28 2012-11-28 Bevel angle adjustment device for a miter saw TWI490066B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW101144491A TWI490066B (en) 2012-11-28 2012-11-28 Bevel angle adjustment device for a miter saw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW101144491A TWI490066B (en) 2012-11-28 2012-11-28 Bevel angle adjustment device for a miter saw

Publications (2)

Publication Number Publication Date
TW201420239A true TW201420239A (en) 2014-06-01
TWI490066B TWI490066B (en) 2015-07-01

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Family Applications (1)

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TW101144491A TWI490066B (en) 2012-11-28 2012-11-28 Bevel angle adjustment device for a miter saw

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI617382B (en) * 2015-11-18 2018-03-11 力山工業股份有限公司 A positioning device for a turnable table of saw machine
US9925688B2 (en) 2015-02-03 2018-03-27 Rexon Industrial Corp., Ltd. Foldable miter saw having a safety device
TWI656931B (en) * 2018-02-01 2019-04-21 力山工業股份有限公司 A foldable miter saw
US10780510B2 (en) 2014-09-10 2020-09-22 Rexon Industrial Corp., Ltd. Foldable miter saws and foldable method of miter saw
US10780511B2 (en) 2014-09-10 2020-09-22 Rexon Industrial Corp., Ltd. Foldable miter saw and foldable method of miter saw

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM248537U (en) * 2003-11-26 2004-11-01 Huei-Ling Huang Horizontal type band saw machine capable of adjusting sawing and cutting angle for band saw mechanism
TWI372668B (en) * 2009-09-22 2012-09-21
TWM405732U (en) * 2010-08-19 2011-06-21 Kinik Co Band saw machine with angle adjustment feature

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10780510B2 (en) 2014-09-10 2020-09-22 Rexon Industrial Corp., Ltd. Foldable miter saws and foldable method of miter saw
US10780511B2 (en) 2014-09-10 2020-09-22 Rexon Industrial Corp., Ltd. Foldable miter saw and foldable method of miter saw
US9925688B2 (en) 2015-02-03 2018-03-27 Rexon Industrial Corp., Ltd. Foldable miter saw having a safety device
TWI617382B (en) * 2015-11-18 2018-03-11 力山工業股份有限公司 A positioning device for a turnable table of saw machine
TWI656931B (en) * 2018-02-01 2019-04-21 力山工業股份有限公司 A foldable miter saw

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Publication number Publication date
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