CN102615343A - Cutting machine - Google Patents

Cutting machine Download PDF

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Publication number
CN102615343A
CN102615343A CN2011101020422A CN201110102042A CN102615343A CN 102615343 A CN102615343 A CN 102615343A CN 2011101020422 A CN2011101020422 A CN 2011101020422A CN 201110102042 A CN201110102042 A CN 201110102042A CN 102615343 A CN102615343 A CN 102615343A
Authority
CN
China
Prior art keywords
cutting machine
connector
cutting
workbench
machine according
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.)
Granted
Application number
CN2011101020422A
Other languages
Chinese (zh)
Other versions
CN102615343B (en
Inventor
格雷厄姆·格哈德
沃伦·布朗
哈利·索默
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
Priority claimed from CN201110033249 external-priority
Application filed by Positec Power Tools Suzhou Co Ltd filed Critical Positec Power Tools Suzhou Co Ltd
Priority to CN201110102042.2A priority Critical patent/CN102615343B/en
Publication of CN102615343A publication Critical patent/CN102615343A/en
Application granted granted Critical
Publication of CN102615343B publication Critical patent/CN102615343B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D45/00Sawing machines or sawing devices with circular saw blades or with friction saw discs
    • B23D45/04Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock carried by a pivoted lever
    • B23D45/042Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock carried by a pivoted lever with the saw blade carried by a pivoted lever
    • B23D45/044Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock carried by a pivoted lever with the saw blade carried by a pivoted lever the saw blade being adjustable according to angle of cut
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D47/00Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27BSAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/29Details; Component parts; Accessories

Abstract

The invention relates to a cutting machine, which comprises a work table, a connecting piece connected with the work table, a supporting rack movably connected with the connecting piece, and a cutting unit pivoted with the supporting rack, wherein the cutting unit comprises a motor and a saw blade which is rotatably driven by the motor. The cutting machine further comprises a locking mechanism arranged between the supporting rack and the connecting piece, wherein the locking mechanism has a locking state that the supporting rack is fixedly arranged on at least two preset work positions, and a loosening state that the supporting rack is allowed to move relatively to the connecting piece. The supporting rack can be movably connected onto the connecting piece, so that the cutting capacity of the cutting machine is improved; and the cutting machine is provided with the locking mechanism capable of fixing the supporting rack on at least two preset work positions, so that the cutting unit is relatively fixed around a first axis by the locking mechanism when the cutting is carried out on at least two preset work positions, and thus the cutting precision is improved.

Description

Cutting machine
Technical field
The present invention relates to a kind of cutting machine, relate in particular to a kind of cutting machine with higher cutting power.
Background technology
Traditional cutting machine 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.Cutting machine generally comprises workbench, is positioned at the cutter unit with motor and saw blade of workbench top, is arranged on the guardrail that is used on the workbench to the workpiece location; Wherein workbench is provided with the cutting groove that longitudinally extends; Saw blade can at least partly stretch in this cutting groove; Cutter unit is around rotatably connecting with workbench with the relatively-stationary pivotal axis of workbench, is used for cut workpiece.It is constant that but the distance in traditional cutting machine between pivotal axis and the guardrail keeps; Like this; Just limited its cutting power, that is to say, its specification of workpieces of allowing cutting limits within the specific limits; Make its workpiece that can not cut more specifications, thereby make cutting machine can not satisfy operator's demand fully.
Summary of the invention
The technical problem that the present invention will solve: a kind of cutting machine with higher cutting power and cutting accuracy is provided.
The technical scheme that technical solution problem of the present invention is adopted: a kind of cutting machine, comprise workbench, have supporting workpiece the workbench supporting surface, be arranged at the cutting groove that extends along lengthwise on the said workbench; Connector is connected with said workbench; Bracing frame flexibly connects with said connector, and support frame as described above can move on the bearing of trend of said cutting groove with respect to said connector; Cutter unit is rotatably connected on support frame as described above around first axle, and cutter unit comprises motor and the saw blade that is driven by the motor rotation, and said saw blade part at least stretches into said cutting groove; Said cutting machine further comprises the retaining mechanism that is arranged between support frame as described above and the said connector, and said retaining mechanism has the locking state and the releasing orientation that allows support frame as described above to move with respect to said connector that support frame as described above is fixed at least two predetermined operating positions.
Compared with prior art, beneficial effect of the present invention: bracing frame can move on the bearing of trend of cutting groove with respect to connector, has improved the cutting power of cutting machine; And this cutting machine also is provided with the retaining mechanism that bracing frame is fixed at least two predetermined operating positions; When so cutting at least two predetermined operating positions; This retaining mechanism has just guaranteed the first axle relative fixed that cutter unit centers on, thereby has improved cutting accuracy.
Support frame as described above is rotatably connected on the said connector around second axis.And said second axis and said first axle laterally arrange.
Support frame as described above is slidingly connected on the said connector.
Said retaining mechanism comprise mobilizablely be arranged on operating parts on the bracing frame, be arranged on the connector counterpart and under the operating parts effect at the locking member that moves between the locked position that cooperates with counterpart and disengagement and the released position that counterpart cooperates.
Said operating parts is installed on the bracing frame through the lock shaft that is parallel to said first axle is rotating.
On said lock shaft, be provided with the actuator that is connected with locking member, said operating parts impels locking member between locked position and released position, to move through said actuator.
Said actuator is symmetricly set on the two ends of said lock shaft, and said operating parts is between two actuators.
Said retaining mechanism further comprises the connecting rod that is used to connect locking member and actuator, and first end of said connecting rod pivots with said actuator through first pin and is connected; Second end of said connecting rod is connected with said locking member through second pin.
Support frame as described above is provided with the gathering sill that lengthwise extends, and said gathering sill is used to accommodate said locking member, and the relative support frame as described above of said operating parts rotates, and impels said locking member to move along the bearing of trend of said gathering sill.
The linearity that the rotation of said operating parts converts locking member into moves.
Said counterpart is arranged on the mating groove on the connector.
On support frame as described above, be provided with governor motion, said governor motion is used to regulate the position of said lock shaft on the bearing of trend of said gathering sill.
Said governor motion comprises regulating block with installing hole, drive adjustment screw that regulating block moves and regulating block is installed in the lock-screw of bracing frame, and said lock shaft is located in the installing hole.
Said cutting machine only carries out cutting work in said at least two predetermined operating positions.
Said connector is connected on the said workbench through the longitudinal axis is rotating, and the said longitudinal axis is parallel to the bearing of trend of said cutting groove.
Said at least two projections of predetermined operating position on the bearing of trend of said cutting groove are arranged in order.
Description of drawings
Fig. 1 is the schematic perspective view of cutting machine in the embodiment of the invention, and cutter unit is in upper limit position.
Fig. 2 is the schematic perspective view of cutting machine in the embodiment of the invention, and cutter unit is in the lower position.
Fig. 3 is the sectional perspective exploded view of cutting machine in the embodiment of the invention.
Fig. 4 is the schematic perspective view that cutting machine has been removed base and cutter unit in the embodiment of the invention.
Fig. 5 is the sketch map of cutting machine in the embodiment of the invention, and cutter unit is in the lower position and is in first operating position.
Fig. 6 is the sketch map of cutting machine in the embodiment of the invention, and cutter unit is in the lower position and is in second operating position.
Fig. 7 is the sketch map of cutting machine in the embodiment of the invention, and cutter unit is in upper limit position and is in first operating position.
Fig. 8 is the sketch map of cutting machine in the embodiment of the invention, and cutter unit is in upper limit position and is in second operating position.
Fig. 9 is the cut-away view of the retaining mechanism of cutting machine in the embodiment of the invention, and is in locked position.
Figure 10 is the cut-away view of the retaining mechanism of cutting machine in the embodiment of the invention, and is in the released position.
Figure 10 is the part schematic perspective view of cutting machine in the embodiment of the invention.
Figure 11 is the schematic perspective view of cutting machine in the embodiment of the invention.
Figure 12 is the part schematic perspective view of cutting machine in the embodiment of the invention.
Figure 13 is the part schematic perspective view of cutting machine in the embodiment of the invention.
Figure 14 is the part schematic perspective view of cutting machine in the embodiment of the invention.
Figure 15 is the schematic perspective view of cutting machine in the embodiment of the invention, and cutter unit is in obliquity.
Figure 16 is the sketch map of cutting machine in the embodiment of the invention.
Figure 17 is Figure 16 partial enlarged drawing.
Wherein
30. base 31. saw blade axis 32. workbench
34. supporting mechanism 35. electric machine casings 36. cutter units
38. saw blade 40. first axles 41. backstop grooves
42. base support face 43. backstop bolts 44. guardrails
45. lower limit mechanism 46. workbench supporting surfaces, 47. vertical abutment faces
Retaining mechanism 52. tilt lock mechanism 48. cutting groove 50. is cut sth. askew
54. connector 55. stopper slots 56. bracing frames
57. spacer pin 58. longitudinal axis 59. longitudinal axis axis
60. via hole 62. bearing pins 64. left plates
66. right plate 67. second axis 68. connecting plates
70. connecting hole 71. sweep-up pipes 72. pin shaft holes
73. dust exhaust apparatus 74. pivoting holes 76. receiving spaces
78. retaining mechanism 80. operating parts 81. butting sections
82. locking member 83. mating grooves 84. lock shafts
86. flat square hole 88. actuators 90. flat square holes
92. connecting rod 94. first pins 96. second pins
98. gathering sill 100. adjustment holes 102. governor motions
104. installing hole 106. regulating blocks 108. adjustment screw
109. hole 111. lock-screws, 112. stop surfaces
113. the 3rd axis 114. connecting rods 115. four axistyles
116. stop part 117. the 5th axis 118. first ends
120. second end, 122. first ends, 124. second ends
126. limited block 128. first abutment faces 130. second abutment faces
132. inclined-plane 140. sloped position mechanisms 142. retainers
144. keeper 146. locating surfaces one 148. locating surfaces two
150. locating surface 3 152. locating surfaces 4 154. boss
156. first installed surface, 158. second installed surfaces, 160. intersections
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment the present invention is described further.
As shown in Figure 1; Cutting machine comprises base 30, rotatingly be arranged on workbench 32 on the base 30, be connected the supporting mechanism 34 on the workbench 32 and pivot and be connected the cutter unit 36 on the supporting mechanism 34; Wherein cutter unit 36 comprise with supporting mechanism 34 pivot the secure shroud 33, the electric machine casing 35 that is fixedly connected with secure shroud 33 that are connected, be contained in that driving saw blade 38 centers on saw blade axis 31 motor rotating (not shown) in the electric machine casing 35; This cutter unit 36 is around first axle 40 rotating being arranged on the supporting mechanism 34; Make cutter unit 36 rotate up and down, be convenient to saw blade 38 cut workpiece around first axle 40.In description of the invention, only if point out in addition, the direction term like left, right, front and rear, upper and lower etc., all is the direction with respect to normal this cutting machine of use, as definition near the operator be the front side of cutting machine, be the rear side of cutting machine away from the operator.
Cutter unit 36 rotates between upper limit position and lower position around first axle 40, and as shown in Figure 1, cutter unit 36 is in upper limit position, and is correspondingly as shown in Figure 2, and cutter unit 36 is in upper limit position.
As shown in Figure 2, cutter unit 36 comprises a backstop groove 41, and supporting mechanism 34 is provided with backstop bolt 43.As shown in Figure 1, backstop groove 41 cooperates with backstop bolt 43, defines the upper limit position of cutter unit 36, prevents that like this cutter unit 36 from too up moving.
As shown in Figure 2, cutting machine also is provided with lower limit mechanism 45, and this lower limit mechanism 45 defines the upper/lower positions of cutter unit 36, prevents like this that cutter unit 36 from too moving down to destroy the table top of base for supporting 30.And the concrete structure of lower limit mechanism 45 is described in detail in the back.
As depicted in figs. 1 and 2, base 30 has the base support face 42 of supporting workpiece in the horizontal direction.On base 30, be arranged with guardrail 44, this guardrail 44 has and base support face 42 vertically disposed vertical abutment faces 47, is mainly used in the vertical direction against workpiece, is convenient to cutting.
Workbench 32 has and is used for the workbench supporting surface 46 of supporting workpiece in the horizontal direction, and this workbench supporting surface 46 flushes with base support face 42 basically, and both match and are used for the together support workpiece.Workbench 32 is provided with the cutting groove 48 that longitudinally extends, and saw blade 38 part at least stretches into this cutting groove 48.Workbench 32 rotating being arranged on the base 30 make workbench 32 can drive cutter unit 36 and rotate with respect to base 30, are convenient to carry out the adjustment of the oblique cutting of level, and what just those skilled in the art were alleged adjusts mis-cut angle.The rotation of workbench 32 changes the angle of saw blade 38 with respect to guardrail 44, but keeps saw blade 38 vertical with respect to workbench 32.Cutting machine is provided with workbench 32 is locked in the retaining mechanism 50 of cutting sth. askew on the base 30.
As shown in Figure 3, supporting mechanism 34 comprises connector 54 and the bracing frame 56 that is connected with connector 54.
Connector 54 can be fixedly mounted on the workbench 32, also can be pivotally connected on the workbench 32.
Cutter unit 36 has the upright position with respect to workbench 32, and in this upright position, saw blade 38 is perpendicular to this workbench 32.In the present embodiment; Connector 54 is through the longitudinal axis 58 rotating being connected on the workbench 32; So that realize that connector 54 drives cutter unit 36 relative workbench 32 and rotates around longitudinal axis axis 59; Just support cutter unit 36 and rotating with clockwise at least one direction counterclockwise, thereby the inclined cut of being convenient to saw blade 38 in the vertical directions is adjusted with respect to the upright position.What just those skilled in the art were alleged adjusts the angle of inclination.The rotation of connector 54 changes the angle of saw blade 38 with respect to workbench 32, but keeps saw blade 38 vertical with respect to guardrail 44.Accessible like those skilled in the art institute, mis-cut angle and angle of inclination can be adjusted respectively or adjust simultaneously so that realize compound cuts.
Cutting machine is provided with connector 54 is locked in the tilt lock mechanism 52 on the workbench 32.
The longitudinal axis 58 laterally arranges with the bearing of trend of cutting groove 48.In the present embodiment, the longitudinal axis 58 is fixed on the workbench 32, and connector 54 is provided with the via hole 60 of accommodating the longitudinal axis 58, and the longitudinal axis 58 is arranged in the via hole 60.Certainly, those skilled in the art should expect that this longitudinal axis 58 also can be arranged on the connector 54, and workbench 32 is provided with the via hole of accommodating the longitudinal axis 58.
Bracing frame 56 mobilizable being connected on the connector 54, being convenient to bracing frame 56 can move on the bearing of trend of cutting groove 48 with respect to connector 54.And bracing frame 56 will drive cutter unit 36 and on the bearing of trend of cutting groove 48, produces and move produce moving on the bearing of trend of cutting groove 48, thus the cutting power of change cutting machine.
Bracing frame 56 can be arranged on the connector 54 through the mode of sliding, and also can be arranged on the connector 54 through the mode that pivots.In the present embodiment, bracing frame 56 is through bearing pin 62 rotating being connected on the connector 54, adjusts being parallel on longitudinal axis axis 59 directions with respect to connector 54 so that bracing frame 56 drives cutter units 36, thereby changes the cutting power of cutting machine.Bearing pin 62 has defined second axis 67, and in the present embodiment, second axis 67 laterally arranges with first axle 40, and certainly, this second axis 67 also can be obliquely installed with respect to first axle 40.
Again referring to Fig. 3, bracing frame 56 comprises left and right side plate 64 and 66 and the connecting plate 68 that is connected left and right side plate 64 and 66.Left and right side plate 64 and 66 roughly is symmetrical set with respect to connecting plate 68; The two ends that all have longitudinal extension; Wherein first end of left and right side plate 64 and 66 corresponding be provided with connecting hole 70; Connector 54 is provided with pin shaft hole 72, and bearing pin 62 is arranged in pin shaft hole 72 and the connecting hole 70, thereby with bracing frame 56 rotatable being arranged on the connector 54.Cutter unit 36 is connected on the bracing frame 56 through the rotating shaft (not shown) is rotating; Second end of left and right side plate 64 and 66 corresponding be provided with pivoting hole 74; Cutter unit 36 is provided with the shaft hole (not shown); The rotating shaft (not shown) is arranged in pivoting hole 74 and the shaft hole, thereby cutter unit 36 is arranged on the bracing frame 56 rotationally.
Again referring to Fig. 3 and Fig. 4; Connecting plate 68 is arranged on the position near left and right side plate 64 and 66 second ends; Connecting plate 68 has formed the receiving space 76 that is used to hold connector 54 with left and right side plate 64 and 66 first ends in left and right side plate 64 and 66, makes that so the overall structure of cutting machine is compact more.
The left and right side plate 64 and 66 the outside are equipped with gusset and are used to increase the rigidity of bracing frame 56 and can reduce weight.In the present embodiment, left and right side plate 64 and 66 one-body molded with connecting plate 68, certainly, it will be recognized by those skilled in the art that left and right side plate 64 with 66 and connecting plate 68 can also be other connected mode, such as riveted joint, modes such as welding.
On connecting plate 68, be provided with the hole (not shown) that supplies sweep-up pipe 71 to pass, thereby between first axle 40 and workbench 32, be provided with dust exhaust apparatus 73, the so convenient dust of collecting.
Bracing frame 56 is rotatably connected on the connector 54 around second axis 67, and rotates within the specific limits.But only after arriving at least two predetermined operating positions, carry out cutting work, and can't carry out cutting work in respect to connector 54 rotating process at bracing frame 56.In the present embodiment, this cutting machine has two predetermined operating positions, certainly, can be provided with three or more work position as required.
At least two projections of predetermined operating position on the longitudinal axis 58 directions are arranged in order.That is to say, though second support member direction of motion actual with respect to first support member is not necessarily to be parallel to the longitudinal axis 58 directions, this actual motion direction be parallel on the longitudinal axis 58 directions important.
Bracing frame 56 and connector 54 both one of them are provided with stopper slot, wherein another is provided with spacer pin.In the present embodiment, connector 54 is provided with spacer pin 57, and bracing frame 56 is provided with stopper slot 55, and spacer pin 57 is contained in the stopper slot 55, thereby has limited the slewing area of bracing frame 56 with respect to connector 54.Like Fig. 5 and shown in Figure 7, when spacer pin 57 is positioned at the last side position of stopper slot 55, this cutting machine is positioned at first operating position, like Fig. 6 and shown in Figure 8.When spacer pin 57 is positioned at the forward position of stopper slot 55, this cutting machine is positioned at second operating position.
Like Fig. 5 and shown in Figure 6; Center in second axis, 67 rotating process at bracing frame 56; The first axle 40 that cutter unit 36 centers on also can be done circular motion around this second axis 67; Be convenient to first axle 40 and on the bearing of trend that is parallel to cutting groove 48, adjust, thereby change the position of saw blade 38, be used to satisfy various split requirements with respect to guardrail 44.
This cutting machine has defined a datum plane A, and this datum plane is perpendicular to workbench supporting surface 46 and pass the plane of second axis 67 in the upright position.First axle 40 passes this datum plane A around second axis 67 and does circular motion, and when at least two predetermined operating positions, first axle 40 preferably is symmetrical set with respect to this datum plane A; Certainly, this first axle 40 can not be symmetrical set with respect to this datum plane A yet.First axle 40 is symmetrical set with respect to datum plane A, and the saw blade axis 31 of saw blade 38 equates with the minimum range of workbench supporting surface 46 when conveniently being implemented in predetermined operating position.
Like Fig. 5 and shown in Figure 6; Cutter unit 36 is in the lower position, and the distance W 1 between the vertical abutment face 47 of saw blade axis 31 and the guardrail 44 of cutting machine when first operating position is saw blade axis 31 and the vertical distance W 2 between the abutment face 47 during in the second place greater than cutting machine.So, the cutting power of cutting machine when first operating position and second operating position is with different.But in the present embodiment, cutting machine is when first operating position and second operating position, and the saw blade axis 31 of saw blade 38 all equates with the minimum range H of workbench supporting surface 46.
Like Fig. 7 and shown in Figure 8; Cutter unit 36 is in upper limit position, and saw blade axis 31 and the distance L 1 workbench supporting surface 46 between of cutting machine when first operating position be the distance L 2 between saw blade axis 31 and the workbench supporting surface 46 during in the second place less than cutting machine.So, cutting machine in first operating position during with second operating position cutter unit 36 different around the anglec of rotation of first axle 40, be respectively that about 53 degree are spent with 43, differ about 10 and spend.
Referring to Fig. 5, cutting machine is positioned at first operating position again, and at this moment, first axle 40 is positioned at the front side of datum plane A.In this first operating position, saw blade 38 makes this cutting machine cut wide or have bigger advantage at cutting hat material workpiece relatively more near the front side of workbench 32.As can cutting-height be the hat material workpiece of inch, perhaps higher; Maybe can cut the rectangle workpiece of 2*10 inch, even width surpasses 10 inches workpiece.Certainly, can not pass the virtual intersection point of vertical abutment face 47 and cutting groove 48, so when cutting rectangle workpiece, need the workpiece bed hedgehopping just can be cut by supporting pad because saw blade 38 is earlier.
Referring to Fig. 6, cutting machine is positioned at second operating position again, and at this moment, first axle 40 is positioned at the rear side of datum plane A.In this second operating position; Distance W 2 between the saw blade axis 31 of saw blade 38 and the vertical abutment face 47 of guardrail 44 is less than cutting machine saw blade axis 31 and vertical distance W 1 between the abutment face 47 when the primary importance; Saw blade 38 is relatively more near the rear side of workbench 32; So, this cutting machine is being cut wide or is being received certain restriction at the height that cuts hat material workpiece.But in this position, saw blade 38 can pass the virtual intersection point of vertical abutment face 47 and cutting groove 48 all the time, so be to have certain advantage at cutting rectangle workpiece.
So, the operator just can be chosen in first operating position or cutting work is carried out in second operating position according to actual needs.Owing to can carry out cutting work at least two predetermined work positions, improve the cutting power of cutting machine; This cutting machine is arranged on bracing frame 56 on the connector 57 rotationally, realizes cutter unit 36 moving on the bearing of trend of cutting groove 48 through rotating, and has avoided the friction of sliding and producing, thereby has improved the comfortableness of this cutting machine operation.
Cutter unit 36 rotates with respect to connector 54 around second axis 67 with bracing frame 56 together, when bracing frame 56 arrives predetermined operating position, and need the position of bracing frame 56 is fixing with respect to connector 54.Thereby guarantee in cutting process; The first axle 40 that cutter unit 36 centers on is also with respect to connector 54 or workbench 32 relative fixed; So make cutter unit 36 just can center on respect to being the first axle 40 upper and lower pivot cut workpiece that workbench 32 is fixed; Thereby make simple to operately, also improved cutting accuracy.
Like Fig. 3, Fig. 9 and shown in Figure 10, cutting machine further comprises retaining mechanism 78, and this retaining mechanism 78 has the locking state and the releasing orientation that allows bracing frame 56 to move with respect to connector 54 that bracing frame 56 is fixed at least two predetermined operating positions.
This retaining mechanism 78 is applicable to that bracing frame 56 pivots are connected on the connector 54, are applicable to that also bracing frame 56 is slidingly connected on the connector 54.
Referring to Fig. 3; Retaining mechanism 78 comprises operating parts 80, the locking member 82 that is connected with operating parts 80 and is arranged on the counterpart on the connector 54; Operating parts 80 mobilizable being arranged on the bracing frame 56 wherein are used to impel locking member 82 between the locked position that cooperates with counterpart and disengagement and released position that counterpart cooperates, to move.
Operating parts 80 is through lock shaft 84 rotating being installed on the bracing frame 56.In the present embodiment, lock shaft 84 is connected between left and right side plate 64 and 66.
Operating parts 80 has the grip part that laterally arranges with lock shaft 84, and the handled easily person operates and grips.
In the present embodiment; Be connected with two actuators 88 at the two ends of lock shaft 84; And this actuator 88 is symmetrical set between left and right side plate 64 and 66 and with respect to the center of lock shaft 84, and operating parts 80 impels locking member 82 between locked position and released position, to move through actuator 88.
Lock shaft 84 is flat square shafts, and operating parts 80 is provided with flat square hole 86, and operating parts 80 is fixed together with lock shaft 84 through flat square hole 86, and is arranged between left and right side plate 64 and 66.
Equally, also be provided with flat square hole 90 on the actuator 88, actuator 88 is fixed together with lock shaft 84 through flat square hole 90.Certainly, those skilled in the art can learn that operating parts 80 can be riveted or weld together with actuator 88, can certainly be one-body molded as the operating parts that drives locking member 82.
In the present embodiment, retaining mechanism 78 comprises two symmetrically arranged locking members 82, and this retaining mechanism 78 further comprises two connecting rods 92, and connecting rod 92 is used to connect locking member 82 and actuator 88.In the present embodiment, connecting rod 92 is roughly arc, and arcuate structure can play cushioning effect, is convenient to make and rotate.Certainly, connecting rod 92 also can be straight-bar or other form.
First end of connecting rod 92 pivots with actuator 88 through first pin 94 and is connected; Second end of connecting rod 92 is connected with locking member 82 through second pin 96.When operating parts 80 during around the axis rotation of lock shaft 84, actuator 88 drives connecting rods 92 and rotates, thereby has changed the distance between the axis of second pin 96 and lock shaft 84.
As shown in Figure 9, the connecting plate 68 of bracing frame 56 is provided with the gathering sill 98 that longitudinally extends, and this gathering sill 98 is used to accommodate locking member 82.When operating parts 80 centers on the axis rotation of lock shaft 84; Changed the distance between the axis of second pin 96 and lock shaft 84, thereby impelled locking member 82 moving between the released position of the locked position of counterpart and the part that disengages along the bearing of trend of gathering sill 98.So, the rotation of operating parts 80 linearity that converts locking member 82 to moves.
Counterpart is the mating groove that is arranged on the connector 54.In the present embodiment; As shown in Figure 3; Correspondence is provided with 83, two locking members 82 of two mating grooves one of them cooperates with two mating grooves of a corresponding side 83 respectively simultaneously in the both sides of connector 54, thereby makes bracing frame 56 to fix in predetermined operating position with respect to connector 54.Certainly, the number of this mating groove 83 should be equal to or greater than predetermined operating position.
When bracing frame 56 turns to predetermined operating position around second axis 67; Rotary manipulation spare 80; The distance of the axis of second pin 96 and lock shaft 84 is strengthened, and promotion locking member 82 moves to the locked position that inserts mating groove 83 along the bearing of trend of gathering sill 98, and is as shown in Figure 9; Thereby bracing frame 56 is in locking state, and at this moment the butting section 81 of operating parts 80 is resisted against on the bracing frame 56.At this locking state, the friction between locking member 82 and the mating groove 83 impels operating parts 80 to keep stable.
Correspondingly, shown in figure 10, opposite spin operating parts 80; Make and be positioned at second fixed position; The grip part of operating parts 80 and lock shaft 84 are positioned on the same horizontal plane basically, the distance between second pin 96 and the axis of lock shaft 84 of so furthering, thus locking member 82 moved to the released position of the groove 83 that disengages along the bearing of trend of gathering sill 98; Thereby bracing frame 56 branches to releasing orientation, its relatively connector 54 freely rotate.At this releasing orientation, the friction between locking member 82 and the gathering sill 98 impels operating parts 80 to keep stable; So, only need a rotating operation spare 80 just can easily bracing frame 56 be changed between locking state and releasing orientation, and need not to use other structure just can so that operating parts 80 stablize in this two states maintenance.
Certainly, if retaining mechanism 78 only comprises locking member 82, mating groove 83 and the actuator 88 that is arranged on bracing frame 56 1 sides, equally also can realize bracing frame 56 is locked at the effect of connector 54.
Like Fig. 3 and shown in Figure 11, left and right side plate 64 and the 66 corresponding adjustment holes 100 that are provided with, lock shaft 84 is arranged in two adjustment holes 100, thereby with operating parts 80 rotatable being installed on the bracing frame 56.Owing to reasons such as installation, wearing and tearing, in the present embodiment, adjustment hole 100 is that mounting hole is convenient to lock shaft 84 and is moved relative to it.
Cutting machine comprises that governor motion 102 is used to regulate lock shaft 84 positions.
Governor motion 102 correspondences are arranged on left and right side plate 64 and 66, and are positioned at the outside of left and right side plate 64 and 66.This governor motion 102 comprises regulating block 106 with installing hole 104, drive adjustment screw 108 that regulating block 106 moves and regulating block 106 is installed in the lock-screw 111 on left and right side plate 64 and 66.The two ends of lock shaft 84 are located in respectively in adjustment hole 100 and the installing hole 104, thereby with operating parts 80 rotatable being installed on the bracing frame 56; Adjustment screw 108 is located in the hole 109 in left and right side plate 64 and 66.And when needs are regulated, only need unclamp lock-screw 111, and adjusted screw 108 moves up or down the promotion regulating block again, and the lock-screw 111 of screwing again behind the arrival correct position gets final product.
Cutting machine also comprises the lower limit mechanism 45 that is arranged between cutter unit 36 and the supporting mechanism, and this lower limit mechanism 45 is used to limit the vertically movably upper/lower positions of saw blade 38, destroys the table top of base for supporting 30 to prevent that saw blade 38 from too moving down.In the present embodiment, because bracing frame 56 rotating being arranged on the connector 54, first axle 40 that cutter unit 36 centers on also can be changed with respect to the distance of workbench 32 in the vertical directions.And movably the lower position is all identical when at least two predetermined operating positions in order to guarantee cutter unit 36, thus but being installed on supporting mechanism 34 and the cutter unit 36 with 45 servo-actuateds of lower limit mechanism.At least two predetermined operating positions, saw blade axis 31 is identical with minimum range between the workbench supporting surface 46, the security that is used to improve cutting machine.
Like Figure 12; Figure 13 and shown in Figure 14; Lower limit mechanism 45 comprise at least two abutment faces being arranged on the cutter unit 36, with the stop surface 112 that said supporting mechanism 34 flexibly connects, wherein stop surface 112 and abutment face lean and are used for the minimum range between definite saw blade axis 31 and the workbench supporting surface 46.And the abutment face number should be not less than the number of predetermined operating position.
Wherein stop surface 112 and bracing frame 56 interlocks.In the present embodiment, these stop surface 112 rotating being arranged on the supporting mechanism 34.And the rotation direction of stop surface 112 is identical with the rotation direction of support frame as described above 56.
Bracing frame 56 around second axis 67 with respect to connector 54 rotating process in; Stop surface 112 also can rotate around axis, and there is certain geometric ratio relation in the movement locus that the movement locus of stop surface 112 and first axle 40 center on second axis 67.The existence of this geometric ratio relation makes the abutment face that is arranged on the cutter unit 36 on the movement locus of stop surface 112, lean with stop surface 112; Just can guarantee that when at least two predetermined operating positions saw blade axis 31 equates with minimum range between the workbench supporting surface 46.
Cutting machine also comprises stop part 116 and the connecting rod 114 that is connected with stop part 116 pivots; Wherein first end 118 of connecting rod 114 pivots through the 3rd axis 113 and is connected on the bracing frame 56, and second end 120 pivots through four axistyle 115 and is connected on the said stop part 116; First end 122 of said stop part 116 pivots through the 5th axis 117 and is connected on the connector 54, and stop surface 112 is arranged on second end 124 of stop part 116.Wherein the 3rd, the 4th, the 5th axis 113,115 and 117 is parallel to each other.Can certainly first end of stop part 116 be pivoted is connected on the bracing frame 56, and second end is connected on the connecting rod 114 through pivot; First end of connecting rod 114 pivots and is connected on the connector 54, and stop surface 112 is arranged on second end of connecting rod 114.
In the present embodiment, second end 120 of this connecting rod 114 rotates is connected roughly centre position of stop part 116.
In the present embodiment, the cross section of stop part 116 be U-shaped and relatively connecting rod 114 be symmetrical set, stop surface 112 is formed on the end face of second end of stop part 116.The cross section of stop part 116 reduces to second end 124 from first end 122 gradually.Certainly, the cross section of this stop part 116 also can be other shape.
On secure shroud 33, be provided with limited block 126.Abutment face is formed on this limited block 126, and is provided with the position that on the movement locus of stop surface 112, leans with stop surface 112.
In the present embodiment, this limited block 126 has the opening that part is accommodated stop part 116, and abutment face is located in this opening.
Limited block 126 comprises first abutment face 128 and second abutment face 130 of step, like Fig. 5 and shown in Figure 13, in first operating position, first abutment face 128 and stop surface 112 against; Like Fig. 6 and shown in Figure 14, in second operating position, second abutment face 130 and stop surface 112 against.
First abutment face 128 is connected through inclined-plane 132 with second abutment face 130.And first abutment face 128 and the 130 not parallel settings of second abutment face.
Secure shroud 33 has the bottom surface towards workbench supporting surface 46; Limited block 12 has the lower surface towards said workbench supporting surface 46; Wherein bottom surface or coincidence setting parallel with lower surface, but the distance of the lower surface of limited block and workbench supporting surface 46 is not more than the distance of the bottom surface and the workbench supporting surface 46 of secure shroud 33.
When bracing frame 56 rotates with respect to connector 54 around second axis 67; Can drive the 3rd axis 113 rotates together; Thereby connecting rod 114 can impel stop part 116 to rotate around the 5th axis 117, and the rotation direction of stop part 116 is identical with the direction of the rotation of bracing frame 54.Stop surface 112 movement locus around the movement locus of the 5th axis 117 and first axle 40 around second axis 67 that is arranged on the stop part 116 exists certain geometric ratio to concern.
Like Fig. 5 and shown in Figure 13, in first operating position, first abutment face 128 leans on the movement locus of the 5th axis 117 at this stop surface 112 with stop surface 112, and the distance between saw blade axis 31 and the workbench supporting surface 46 is H; Like Fig. 6 and shown in Figure 14, in second operating position, second abutment face 130 leans on the movement locus of the 5th axis 117 at this stop surface 112 with stop surface 112, and the distance between saw blade axis 31 and the workbench supporting surface 46 also is H.That is to say that at least two predetermined operating positions, saw blade axis 31 is identical with minimum range between the workbench supporting surface 46.So improved the security of cutting machine.
Like Figure 15, Figure 16 and shown in Figure 17, cutting machine also are provided with sloped position mechanism 140, are used for confirming the angle of inclination of cutter unit 36 with respect to workbench 32 in the vertical directions.This sloped position mechanism 140 comprises the retainer 142 and the movable keeper 144 that is arranged on the connector 54 that is arranged on the workbench 32.Certainly, retainer 142 also can be arranged on the connector 54, and keeper 144 movable being arranged on the workbench 32.
In the double pendulum cutting; This sloped position mechanism 140 need be provided with two retainers and two keepers; And in the upright position; These two retainers relatively are symmetricly set on workbench 32 and connector 54 on one of them with saw blade 38, and two keepers are symmetricly set on workbench 32 and connector 54 wherein on another with saw blade 38 relatively, and so just can limit approximately is at a left side 50 degree angle of inclination between the scope spent of the right side 50 extremely; And if in single pendulum cutting; 140 need of this sloped position mechanism are provided with a retainer and a keeper; And this retainer and keeper are arranged on the left side or the right side of saw blade, so just can limit the angle of inclination between a left side 50 degree to 0 degree or 0 degree to right 50 degree.Certainly, also can confirm to surpass the inclination of 50 degrees angle.
In the present embodiment, retainer 142 is two, is symmetricly set on the workbench 32.Keeper 142 also is two, is symmetricly set on the connector 54.
Keeper 144 rotating being installed on the connector 54, certainly, this keeper 144 also can be installed on the connector 54 with mode slidably.
Keeper 144 comprises at least two locating surfaces with different axis degree of depth.These locating surfaces can be steps, also can be screw type.If the locating surface of step, locating surface wherein also can be to be arranged in parallel or to be obliquely installed.In the present embodiment, keeper 144 comprises a plurality of parallel locating surfaces, at least one step, and each step makes contiguous plane have different axial depth separately; Through rotational positioning part 144, a plurality of parallel locating surfaces are selectable to be contacted with retainer 142, is used for confirming the angle of inclination of cutter unit 36 with respect to workbench 32.
In the present embodiment, retainer 142 is mounted in the dogbolt on the workbench 32, and this dogbolt 142 provides a plane to be used for contacting with the locating surface of keeper 144.When cutting machine use a period of time or when producing installation; The angle of inclination that needs accurate this sloped position mechanism 140 to confirm; At this moment can rotate dogbolt 142, thereby make it accurately set concrete angle of inclination with respect to the rotation of the screwed hole on the workbench 32.
Connector 54 is provided with boss 154, and this boss 154 comprises first installed surface 156 that is used for installing and locating part 144.In the present embodiment, in the upright position, first installed surface 156 is 45 degree angles with the plane at saw blade 38 places.Certainly, the plane at first installed surface and saw blade 38 places also can not be 45 degree angles.
In this embodiment, a keeper 144 is installed on first installed surface 156, the locating surface of keeper 144 is parallel to first installed surface 156.
Boss 154 comprises that further second installed surface, 158, the first installed surfaces 156 and second installed surface 158 that are used for installing and locating part 144 are vertically intersected on an intersection 160, and in the upright position, intersection 160 is positioned at the plane at saw blade 38 places.
In this embodiment, another keeper 144 is installed on second installed surface 158, the locating surface of keeper 144 is parallel to second installed surface 158.
Keeper 144 is through rotating being installed on the connector 54 of locating shaft (not label), and is positioned at connector 54 bottom.Each locating surface of keeper 144 all perpendicular to the axis direction of locating shaft, certainly, can make as required that also the locating surface of this keeper 144 and the axis direction of locating shaft are obliquely installed.
In the present embodiment; This keeper 144 has four steps; These steps have been confirmed the locating surface of four different axial depth, are respectively locating surface 1, locating surface 2 148, locating surface 3 150 and locating surface 4 152, these four locating surfaces 146; 148,150 and 152 axial depth is successively decreased successively.When these four locating surfaces 146,148,150 and 152 contact with dogbolt 142 respectively, can confirm respectively cutter unit 36 with respect to the angle of inclination of workbench 32 be about 45 degree, about 46 degree, about 47 degree, about 48 degree.The outline of keeper 144 is roughly square, and these four locating surfaces 146,148,150 and 152 are evenly distributed on the circumference of keeper 144, and contiguous locating surface connects with circular arc, thus handled easily person positioning of rotating part 144.
During concrete operations; If when needing the angle of inclination of a cutting left side 45 degree; The locating surface 1 that only needs to be arranged on the keeper 144 in left side rotate to can with contacted position, the plane of dogbolt 142; So, the locating surface 1 of keeper 144 is contacted with dogbolt 142, just can confirm the angle of inclination of a left side 45 degree.The rest may be inferred, during like need cutting 46 degree or 47 degree or 48 degree angles of inclination, only needs locating surface corresponding with it to rotate to and can get final product with contacted position, the plane of dogbolt 142.Like this, this cutting machine can cut the angle of inclination of 45 degree, also can cut the above angle of inclination of 45 degree, and need not just can confirm 46 degree, 47 degree etc. fast by pointer and scale.Certainly, if needs are arranged, also can cut any angle of inclination between a left side 50 degree to right 0 degree.

Claims (12)

1. cutting machine comprises:
Workbench, have supporting workpiece the workbench supporting surface, be arranged at the cutting groove that extends along lengthwise on the said workbench;
Connector is connected with said workbench;
Bracing frame flexibly connects with said connector, and support frame as described above can move on the bearing of trend of said cutting groove with respect to said connector;
Cutter unit is rotatably connected on support frame as described above around first axle, and cutter unit comprises motor and the saw blade that is driven by the motor rotation, and said saw blade part at least stretches into said cutting groove;
It is characterized in that: said cutting machine further comprises the retaining mechanism that is arranged between support frame as described above and the said connector, and said retaining mechanism has the locking state and the releasing orientation that allows support frame as described above to move with respect to said connector that support frame as described above is fixed at least two predetermined operating positions.
2. cutting machine according to claim 1 is characterized in that: support frame as described above is rotatably connected on the said connector around second axis.
3. cutting machine according to claim 2 is characterized in that: said second axis and said first axle laterally arrange.
4. cutting machine according to claim 1 is characterized in that: support frame as described above is slidingly connected on the said connector.
5. cutting machine according to claim 1 is characterized in that: said retaining mechanism comprise mobilizablely be arranged on operating parts on the bracing frame, be arranged on the connector counterpart and under the operating parts effect at the locking member that moves between the locked position that cooperates with counterpart and disengagement and the released position that counterpart cooperates.
6. cutting machine according to claim 5 is characterized in that: said operating parts is installed on the bracing frame through the lock shaft that is parallel to said first axle is rotating.
7. cutting machine according to claim 6 is characterized in that: on said lock shaft, be provided with the actuator that is connected with locking member, said operating parts impels locking member between locked position and released position, to move through said actuator.
8. cutting machine according to claim 7 is characterized in that: said actuator is symmetricly set on the two ends of said lock shaft, and said operating parts is between two actuators.
9. cutting machine according to claim 7 is characterized in that: said retaining mechanism further comprises the connecting rod that is used to connect locking member and actuator, and first end of said connecting rod pivots with said actuator through first pin and is connected; Second end of said connecting rod is connected with said locking member through second pin.
10. cutting machine according to claim 5; It is characterized in that: support frame as described above is provided with the gathering sill that lengthwise extends; Said gathering sill is used to accommodate said locking member, and the relative support frame as described above of said operating parts rotates, and impels said locking member to move along the bearing of trend of said gathering sill.
11. cutting machine according to claim 5 is characterized in that: the linearity that the rotation of said operating parts converts locking member into moves.
12. cutting machine according to claim 5 is characterized in that: said counterpart is arranged on the mating groove on the connector.
CN201110102042.2A 2011-01-30 2011-04-22 Cutting machine Active CN102615343B (en)

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CN102615342B (en) 2015-04-22
CN102615342A (en) 2012-08-01
CN102615344A (en) 2012-08-01
CN102615343B (en) 2014-04-02
WO2012100662A1 (en) 2012-08-02
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CN102615345A (en) 2012-08-01
TWM436555U (en) 2012-09-01

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