CN102615345B

CN102615345B - Cutting machine

Info

Publication number: CN102615345B
Application number: CN201110102134.0A
Authority: CN
Inventors: 格雷厄姆·格哈德; 沃伦·布朗; 哈利·索默
Original assignee: Positec Power Tools Suzhou Co Ltd
Current assignee: Positec Power Tools Suzhou Co Ltd
Priority date: 2011-01-30
Filing date: 2011-04-22
Publication date: 2014-04-16
Anticipated expiration: 2031-04-22
Also published as: CN102615343B; CN102615342B; WO2012100662A1; CN102615343A; CN102615344B; CN102615344A; TWM436555U; CN102615345A; CN102615342A

Abstract

The invention relates to a cutting machine, which comprises a work table, a connecting piece connected with the work table, a cutting unit connected with the connecting piece, and an oblique positioning mechanism arranged between the connecting piece and the work table, wherein the oblique positioning mechanism comprises a stopper which is arranged on one of the work table and the connecting piece, and a positioning piece which is movably arranged on the other of the work table and the connecting piece, and the positioning piece comprises at least two step-type positioning surfaces; and different oblique angles of the cutting unit relative to the work table are set by moving the positioning pieces to allow at least two positioning surfaces to be selectively fit with the stopper. Therefore, the oblique angle of the cutting unit relative to the work table can be quickly and conveniently determined.

Description

Cutting machine

Technical field

The present invention relates to a kind of cutting machine.

Background technology

Traditional cutting machine, as a kind of cutting tool, has very wide range of application, can, for cutting a lot of metals or nonmetallic materials, cut 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 workbench for the guardrail to workpiece location, wherein workbench is provided with the cutting groove that longitudinally extends, saw blade can stretch in this cutting groove at least partly, cutter unit is around rotatably connecting with workbench with the relatively-stationary pivotal axis of workbench, is used for cut workpiece.

Conventionally, cutter unit also can round the longitudinal axis of a basic horizontal in upright position left and to the right at least one direction with respect to workbench pivotable, thereby realize the inclined cut on vertical position.Namely usually said single pendulum cutting or the double pendulum cutting of those skilled in the art, cut coverage is approximately only between left and right 45 degree.But in concrete operations, operator often uses several specific positions, if do not have sloped position mechanism to determine that fast these specific positions are just very inconvenient.

Summary of the invention

The technical problem to be solved in the present invention: providing a kind of can fast, conveniently determine that cutter unit is with respect to the cutting machine of inclined angle of table degree.

The technical scheme that technical solution problem of the present invention adopts: a kind of cutting machine, comprising: workbench, has the worktable support face of supporting workpiece; Connector, that around longitudinal axis axis, rotates is connected on described workbench, and described longitudinal axis axis is parallel to worktable support face; Cutter unit, is connected with described connector, and described cutter unit comprises motor and the saw blade being rotarilyd actuate by motor; Described cutter unit has the upright position with respect to described workbench, and described connector rotates around longitudinal axis axis, for supporting described cutter unit, with respect to described upright position, is rotating counterclockwise with clockwise at least one direction; Sloped position mechanism, is arranged between described connector and described workbench; Described sloped position mechanism comprises and is arranged on retainer on one of them of workbench and connector, is movably arranged on wherein another keeper of workbench and connector, wherein keeper comprises the locating surface of at least two steps, by running fix part, at least two selectable and described retainers of locating surface coordinate, set described cutter unit with respect to workbench in the different anglecs of rotation.

Compared with prior art, beneficial effect of the present invention: retainer is connected to workbench and connector on one of them, keeper is movably connected in to workbench and connector wherein on another, and keeper has the locating surface of at least two steps, so only need running fix part just can fast, conveniently determine that cutter unit is with respect to the angle of inclination of workbench.

Described keeper is rotating to be arranged on connector.

Described retainer is two, is symmetricly set on described workbench; Described keeper is two, is symmetricly set on connector.

Described connector is provided with for the first installed surface of keeper is installed, and in described upright position, the plane at described the first installed surface and described saw blade place is 45 degree angles.

Described keeper is rotating to be arranged on described the first installed surface, and the locating surface of described keeper is parallel to described the first installed surface.

Described connector is provided with for the second installed surface of keeper is installed, and described the first installed surface and the second installed surface are vertically intersected on an intersection, and in upright position, described intersection is positioned at the plane at described saw blade place.

Described keeper is rotating to be arranged on described the second installed surface, and the locating surface of described keeper is parallel to described the second installed surface.

Described keeper comprises the locating surface of four steps.

The axial depth of the locating surface of described keeper is alternation successively.

The locating surface of described keeper is evenly formed on the circumference of described keeper.

Described keeper comprises the projection that is uniformly distributed at least two different axis degree of depth, and adjacent projection connects by circular arc, and described locating surface is formed in described projection.

Accompanying drawing explanation

Fig. 1 is the schematic perspective view of cutting machine in the embodiment of the present invention, and cutter unit is in upper limit position.

Fig. 2 is the schematic perspective view of cutting machine in the embodiment of the present invention, and cutter unit is in lower position.

Fig. 3 is the sectional perspective exploded view of cutting machine in the embodiment of the present invention.

Fig. 4 is the schematic perspective view that in the embodiment of the present invention, cutting machine has been removed base and cutter unit.

Fig. 5 is the schematic diagram of cutting machine in the embodiment of the present invention, and cutter unit is in lower position and in the first operating position.

Fig. 6 is the schematic diagram of cutting machine in the embodiment of the present invention, and cutter unit is in lower position and in the second operating position.

Fig. 7 is the schematic diagram of cutting machine in the embodiment of the present invention, and cutter unit is in upper limit position and in the first operating position.

Fig. 8 is the schematic diagram of cutting machine in the embodiment of the present invention, and cutter unit is in upper limit position and in the second operating position.

Fig. 9 is the cut-away view of the retaining mechanism of cutting machine in the embodiment of the present invention, and in locked position.

Figure 10 is the cut-away view of the retaining mechanism of cutting machine in the embodiment of the present invention, and in released position.

Figure 10 is the part schematic perspective view of cutting machine in the embodiment of the present invention.

Figure 11 is the schematic perspective view of cutting machine in the embodiment of the present invention.

Figure 12 is the part schematic perspective view of cutting machine in the embodiment of the present invention.

Figure 13 is the part schematic perspective view of cutting machine in the embodiment of the present invention.

Figure 14 is the part schematic perspective view of cutting machine in the embodiment of the present invention.

Figure 15 is the schematic perspective view of cutting machine in the embodiment of the present invention, and cutter unit is in obliquity.

Figure 16 is the schematic diagram of cutting machine in the embodiment of the present invention.

Figure 17 is Figure 16 partial enlarged drawing.

Wherein

30. base 31. saw blade axis 32. workbench

34. supporting mechanism 35. electric machine casing 36. cutter units

38. saw blade 40. first axle 41. backstop grooves

42. base supporting surface 43. backstop bolt 44. guardrails

The vertical abutment face of 45. lower limiting mechanism 46. worktable support face 47.

48. cutting grooves 50. retaining mechanism 52. tilt lock mechanism of cutting sth. askew

54. connector 55. stopper slot 56. bracing frames

57. spacer pin 58. longitudinal axis 59. longitudinal axis axis

60. via hole 62. bearing pin 64. left plates

66. right plate 67. second axis 68. connecting plates

70. connecting hole 71. sweep-up pipe 72. pin shaft holes

73. dust exhaust apparatus 74. pivoting hole 76. receiving spaces

78. retaining mechanism 80. operating parts 81. butting sections

82. locking member 83. mating groove 84. lock shafts

The flat square hole of 86. flat square hole 88. actuator 90.

92. connecting rod 94. first pin 96. second pins

98. gathering sill 100. adjustment hole 102. governor motions

104. installing hole 106. regulating block 108. adjustment screw

109. hole 111. lock-screw 112. stop surfaces

113. the 3rd axis 114. connecting rod 115. four axistyles

116. stop parts 117. the 5th axis 118. first ends

120. second end 122. first end 124. second ends

126. limited block 128. first abutment face 130. second abutment faces

132. inclined-plane 140. sloped position mechanism 142. retainers

144. keeper 146. locating surface one 148. locating surfaces two

150. locating surface 3 152. locating surface 4 154. boss

156. first installed surface 158. second installed surface 160. intersections

The specific embodiment

Below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described.

As shown in Figure 1, cutting machine comprises base 30, the rotating workbench 32 being arranged on base 30, the supporting mechanism 34 and the pivotable that are connected on workbench 32 are connected to the cutter unit 36 on supporting mechanism 34, wherein cutter unit 36 comprises the secure shroud 33 being connected with supporting mechanism 34 pivotables, the electric machine casing 35 being fixedly connected with secure shroud 33, being contained in electric machine casing 35 drives saw blade 38 around the motor (not shown) of saw blade axis 31 rotations, this cutter unit 36 is arranged on supporting mechanism 34 around first axle 40 is rotating, make cutter unit 36 on first axle 40, lower rotation, be convenient to saw blade 38 cut workpiece.In description of the invention, unless otherwise noted, direction term, as left, right, front and rear, upper and lower etc., is all the direction with respect to normal this cutting machine of use, as define near operator be the front side of cutting machine, the rear side that is cutting machine away from 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 correspondingly, as shown in Figure 2, 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 coordinates 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 is also provided with lower limiting mechanism 45, and this lower limiting mechanism 45 defines the upper/lower positions of cutter unit 36, prevents from 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 limiting mechanism 45 is described in detail in the back.

As depicted in figs. 1 and 2, base 30 has the base supporting surface 42 of supporting workpiece in the horizontal direction.On base 30, be arranged with guardrail 44, this guardrail 44 has and the vertically disposed vertical abutment face 47 of base supporting surface 42, is mainly used in the vertical direction against workpiece, is convenient to cutting.

Workbench 32 has for the worktable support face 46 of supporting workpiece in the horizontal direction, and this worktable support face 46 flushes with base supporting surface 42 substantially, and both match for common supporting workpiece.Workbench 32 is provided with the cutting groove 48 that longitudinally extends, and saw blade 38 stretches into this cutting groove 48 at least partly.Workbench 32 is rotating to be arranged on base 30, makes workbench 32 can drive cutter unit 36 to rotate with respect to base 30, is convenient to carry out the adjustment of the oblique cutting of level, and what namely those skilled in the art were alleged adjusts mis-cut angle.The rotation of workbench 32 changes saw blade 38 with respect to the angle of guardrail 44, but keeps saw blade 38 vertical with respect to workbench 32.Cutting machine is provided with workbench 32 is locked in to the retaining mechanism 50 of cutting sth. askew on base 30.

As shown in Figure 3, supporting mechanism 34 comprises connector 54 and the bracing frame 56 being connected with connector 54.

Connector 54 can be fixedly mounted on workbench 32, also can be pivotally connected on 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 connected on workbench 32 by the longitudinal axis 58 is rotating, to realize connector 54, drive cutter unit 36 to rotate around longitudinal axis axis 59 relative to workbench 32, namely support cutter unit 36 and rotate in counterclockwise and clockwise at least one direction with respect to upright position, thereby the inclined cut of being convenient to saw blade 38 in the vertical directions is adjusted.What namely those skilled in the art were alleged adjusts angle of inclination.The rotation of connector 54 changes saw blade 38 with respect to the angle of workbench 32, but keeps saw blade 38 vertical with respect to guardrail 44.As the skilled personnel can understand, mis-cut angle and angle of inclination can be adjusted respectively or adjust to realize compound cuts simultaneously.

Cutting machine is provided with connector 54 is locked in to the tilt lock mechanism 52 on workbench 32.

The longitudinal axis 58 be arranged in parallel with the bearing of trend of cutting groove 48.In the present embodiment, the longitudinal axis 58 is fixed on 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 via hole 60.Certainly, those skilled in the art should expect, this longitudinal axis 58 also can be arranged on connector 54, and workbench 32 is provided with the via hole of accommodating the longitudinal axis 58.

Bracing frame 56 is mobilizable to be connected on connector 54, and being convenient to bracing frame 56 can move with respect to connector 54 on the bearing of trend of cutting groove 48.And bracing frame 56 produces movement will to drive cutter unit 36 to produce mobile on the bearing of trend of cutting groove 48, thereby change the cutting power of cutting machine on the bearing of trend of cutting groove 48.

Bracing frame 56 can be arranged on connector 54 by the mode of sliding, and also can be arranged on connector 54 by the mode of pivotable.In the present embodiment, bracing frame 56 is connected on connector 54 by bearing pin 62 is rotating, so that bracing frame 56 drives cutter units 36 to adjust being parallel in longitudinal axis axis 59 directions with respect to connector 54, thereby changes the cutting power of cutting machine.Bearing pin 62 has defined the second axis 67, and in the present embodiment, the second axis 67 be arranged in parallel 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 is roughly symmetrical arranged with respect to connecting plate 68, all there are two ends extending longitudinally, wherein the first end in left and

right side plate

64 and 66 is corresponding is provided with connecting hole 70, on connector 54, be provided with pin shaft hole 72, bearing pin 62 is arranged in pin shaft hole 72 and connecting hole 70, thereby bracing frame 56 is rotatably arranged on connector 54.Cutter unit 36 is connected on bracing frame 56 by rotating shaft (not shown) is rotating, the second end in left and

right side plate

64 and 66 is corresponding is provided with pivoting hole 74, cutter unit 36 is provided with shaft hole (not shown), rotating shaft (not shown) is arranged in pivoting hole 74 and shaft hole, thereby cutter unit 36 is arranged on 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 for holding the receiving space 76 of connector 54 with left and

right side plate

64 and 66 first ends in left and

right side plate

64 and 66, so makes the overall structure of cutting machine compacter.

Left and

right side plate

64 and 66 outside are equipped with gusset for increasing the rigidity of bracing frame 56 and can reduce weight.In the present embodiment, left and

right side plate

64 and 66 and connecting plate 68 one-body molded, certainly, it will be recognized by those skilled in the art that left and

right side plate

64 and 66 and connecting plate 68 can also be other connected mode, such as riveted joint, the modes such as welding.

On connecting plate 68, be provided with the hole (not shown) of passing for sweep-up pipe 71, thereby be provided with dust exhaust apparatus 73 between first axle 40 and workbench 32, the so convenient dust of collecting.

Bracing frame 56 is rotatably connected on connector 54 around the second axis 67, and rotates within the specific limits.But only after arriving at least two predetermined operating positions, carry out cutting work, and cannot carry out cutting work in the process of rotating with respect to connector 54 at bracing frame 56.In the present embodiment, this cutting machine has two predetermined operating positions, certainly, can be provided with as required three or more operating positions.

The projection in the longitudinal axis 58 directions of at least two predetermined operating positions is arranged in order.That is to say, although the second support member is not necessarily parallel to the longitudinal axis 58 directions with respect to the direction of motion of the first support member reality, this actual motion direction be parallel in 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 stopper slot 55, thereby has limited the slewing area of bracing frame 56 with respect to connector 54.As shown in Fig. 5 and Fig. 7, when spacer pin 57 is positioned at the last side position of stopper slot 55, this cutting machine is positioned at the first operating position, as shown in Figure 6 and Figure 8.When spacer pin 57 is positioned at the forward position of stopper slot 55, this cutting machine is positioned at the second operating position.

As shown in Figure 5 and Figure 6, in the process of rotating around the second axis 67 at bracing frame 56, cutter unit 36 around first axle 40 also can do circular motion around this second axis 67, be convenient to first axle 40 adjusts on the bearing of trend that is parallel to cutting groove 48, thereby change saw blade 38 with respect to the position of guardrail 44, for meeting various split requirements.

This cutting machine has defined a datum plane A, and this datum plane is perpendicular to worktable support face 46 and through the plane of the second axis 67 in upright position.First axle 40 is done circular motion around the second axis 67 through this datum plane A, and when at least two predetermined operating positions, first axle 40 is preferably symmetrical arranged with respect to this datum plane A; Certainly, this first axle 40 can not be symmetrical arranged with respect to this datum plane A yet.First axle 40 is symmetrical arranged with respect to datum plane A, and convenient realization saw blade axis 31 of saw blade 38 when predetermined operating position equates with the minimum range of worktable support face 46.

As shown in Figure 5 and Figure 6, cutter unit 36 is in lower position, and the saw blade axis 31 of cutting machine when the first operating position and the distance W 1 between the vertical abutment face 47 of guardrail 44 are greater than cutting machine saw blade axis 31 and vertical distance W 2 between abutment face 47 when the second place.So, the cutting power of cutting machine when the first operating position and the second operating position is by different.But in the present embodiment, cutting machine is when the first operating position and the second operating position, and the saw blade axis 31 of saw blade 38 all equates with the minimum range H of worktable support face 46.

As shown in Figure 7 and Figure 8, cutter unit 36 is in upper limit position, and the saw blade axis 31 of cutting machine when the first operating position and the distance L 1 between worktable support face 46 are less than cutting machine distance L 2 between saw blade axis 31 and worktable support face 46 when the second place.So, cutting machine in the first operating position during with the second operating position cutter unit 36 different around the anglec of rotation of first axle 40, be respectively approximately 53 degree and 43 degree, differ approximately 10 and spend.

Referring to Fig. 5, cutting machine is positioned at the first operating position again, and now, first axle 40 is positioned at the front side of datum plane A.In this first operating position, saw blade 38 is the front side of more close workbench 32 relatively, makes this cutting machine cut wide or have larger advantage at cutting hat material workpiece.As can be cutting-height be the hat material workpiece of 91/2 inch, or higher; Maybe can cut the rectangular workpiece of 2*10 inch, even the workpiece of width exceed 10 inches.Certainly because saw blade 38 is earlier, can not be through vertical abutment face 47 the virtual intersection point with cutting groove 48, so need to just can cut workpiece is padded by supporting pad when cutting rectangular workpiece.

Referring to Fig. 6, cutting machine is positioned at the second operating position again, and now, first axle 40 is positioned at the rear side of datum plane A.In this second operating position, distance W between the saw blade axis 31 of saw blade 38 and the vertical abutment face 47 of guardrail 44 2 is for being less than cutting machine distance W 1 between saw blade axis 31 and vertical abutment face 47 when primary importance, saw blade 38 is the rear side of more close workbench 32 relatively, so, this cutting machine is being cut wide or is being subject to certain restrictions at the height that cuts hat material workpiece.But in this position, saw blade 38 all the time can be through the virtual intersection point of vertical abutment face 47 and cutting groove 48, so be to have certain advantage at cutting rectangular workpiece.

So, operator just can be chosen in the first operating position or cutting work is carried out in the second operating position according to actual needs.Owing to carrying out cutting work at least two predetermined work positions, improved the cutting power of cutting machine; This cutting machine is arranged on bracing frame 56 on connector 57 rotationally, by rotation, realizes the movement of cutter unit 36 on the bearing of trend of cutting groove 48, 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 the second axis 67 together with bracing frame 56, when bracing frame 56 arrives predetermined operating position, and need to the position of bracing frame 56 is fixing with respect to connector 54.Thereby guarantee in cutting process, cutter unit 36 around first axle 40 also relatively fixing with respect to connector 54 or workbench 32, so make the cutter unit 36 just can be around with respect to being the upper and lower pivotable cut workpiece of the fixing first axle of workbench 32 40, thereby make simple to operately, also improved cutting accuracy.

As shown in Fig. 3, Fig. 9 and 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 on at least two predetermined operating positions.

This retaining mechanism 78 is applicable to bracing frame 56 pivotables and is connected on connector 54, is also applicable to bracing frame 56 and is slidably connected on connector 54.

Referring to Fig. 3, retaining mechanism 78 comprises operating parts 80, the locking member 82 being connected with operating parts 80 and is arranged on the counterpart on connector 54, wherein operating parts 80 is mobilizable is arranged on bracing frame 56, for moving between the released position of impelling locking member 82 to coordinate with counterpart in the locked position coordinating with counterpart and disengagement.

Operating parts 80 is arranged on bracing frame 56 by lock shaft 84 is rotating.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 the axle with lock shaft 84 be arranged in parallel, handled easily person operation and gripping.

In the present embodiment, at the two ends of lock shaft 84, be connected with two actuators 88, and this actuator 88 is between left and

right side plate

64 and 66 and with respect to the Central Symmetry setting of lock shaft 84, operating parts 80 impels locking member 82 to move between locked position and released position by 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 by flat square hole 86, and is arranged between left and

right side plate

64 and 66.

Equally, be also provided with flat square hole 90 on actuator 88, actuator 88 is fixed together with lock shaft 84 by flat square hole 90.Certainly, those skilled in the art can learn, operating parts 80 can rivet or weld together with actuator 88, can certainly the one-body molded operating parts as driving 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 for connecting 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 manufacture and rotate.Certainly, connecting rod 92 can be also straight-bar or other form.

The first end of connecting rod 92 is connected with actuator 88 pivotables by the first pin 94; The second end of connecting rod 92 is connected with locking member 82 by the second pin 96.When axis when rotation of operating parts 80 around lock shaft 84, actuator 88 drives connecting rods 92 to rotate, thereby has changed the distance between the second pin 96 and the axis of 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 for accommodating locking member 82.When axis when rotation of operating parts 80 around lock shaft 84, change the distance between the second pin 96 and the axis of lock shaft 84, thereby impelled locking member 82 to move between the locked position at counterpart and the released position of the part that disengages along the bearing of trend of gathering sill 98.So, the rotation of operating parts 80 converts the Linear-moving of locking member 82 to.

Counterpart is the mating groove being arranged on connector 54.In the present embodiment, as shown in Figure 3, one of them coordinates with two mating grooves 83 of a corresponding side respectively simultaneously in the both sides of connector 54 correspondence, to be provided with 83, two locking members 82 of two mating grooves, thereby bracing frame 56 can be fixed 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 the second axis 67, rotary manipulation part 80, the distance of the axis of the second pin 96 and lock shaft 84 is strengthened, promote locking member 82 and along the bearing of trend of gathering sill 98, move to the locked position of insertion mating groove 83, 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 bracing frame 56.At this locking state, the friction between locking member 82 and mating groove 83 impels operating parts 80 to keep stable.

Correspondingly, as shown in figure 10, opposite spin operating parts 80, make to be positioned at the second fixed position, the grip part of operating parts 80 and lock shaft 84 are positioned in same level substantially, the distance so furthering between the second pin 96 and the axis of lock shaft 84, thus locking member 82 is 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, it can freely rotate relative to connector 54.At this releasing orientation, the friction between locking member 82 and gathering sill 98 impels operating parts 80 to keep stable; So, only need rotating operation part 80 just can easily bracing frame 56 be changed between locking state and releasing orientation, and just can be so that operating parts 80 keeps stable at this two states without other structure of use.

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 the effect that bracing frame 56 is locked to connector 54.

As shown in Fig. 3 and Figure 11, left and

right side plate

64 and 66 correspondences be provided with adjustment hole 100, lock shaft 84 is arranged in two adjustment holes 100, thereby operating parts 80 is rotatably arranged on bracing frame 56.Due 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 for regulating 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 comprise have installing hole 104 regulating block 106, drive the adjustment screw 108 that regulating block 106 moves and regulating block 106 be arranged on to 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 installing hole 104, thereby operating parts 80 is rotatably arranged on bracing frame 56; Adjustment screw 108 is located in the hole 109 in left and right side plate 64 and 66.And when needs regulate, only need unclamp lock-screw 111, and then operate adjustment screw 108 and make to promote regulating block and move up or down, screw again lock-screw 111 after arriving correct position.

Cutting machine also comprises the lower limiting mechanism 45 being arranged between cutter unit 36 and supporting mechanism, and this lower limiting mechanism 45, for limiting vertically upper/lower positions movably 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 is rotating, be arranged on connector 54, make cutter unit 36 around first axle 40 with respect to the distance of workbench 32 in the vertical directions, also can change.And movably lower position is all identical when at least two predetermined operating positions in order to guarantee cutter unit 36, thus can be servo-actuated by lower limiting mechanism 45 be arranged on supporting mechanism 34 and cutter unit 36.At least two predetermined operating positions, saw blade axis 31 is identical with the minimum range between worktable support face 46, for improving the security of cutting machine.

As Figure 12, shown in Figure 13 and Figure 14, lower limiting mechanism 45 comprises at least two abutment faces that are arranged on cutter unit 36, the stop surface 112 being flexibly connected with described supporting mechanism 34, and wherein stop surface 112 and abutment face lean for determining the minimum range between saw blade axis 31 and worktable support face 46.And 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, this stop surface 112 is rotating is arranged on supporting mechanism 34.And the rotation direction of stop surface 112 is identical with the rotation direction of support frame as described above 56.

In the process of rotating with respect to connector 54 around the second axis 67 at bracing frame 56, stop surface 112 also can rotate around axis, and the movement locus of stop surface 112 and first axle 40 exist certain geometric ratio relation around the movement locus of the second axis 67.The abutment face that the existence of this geometric ratio relation makes to be arranged on cutter unit 36 leans with stop surface 112 on the movement locus of stop surface 112, just can guarantee that saw blade axis 31 equates with the minimum range between worktable support face 46 when at least two predetermined operating positions.

Cutting machine also comprises stop part 116 and the connecting rod 114 being connected with stop part 116 pivotables, wherein the first end 118 of connecting rod 114 is connected on bracing frame 56 by the 3rd axis 113 pivotables, and the second end 120 is connected on described stop part 116 by four axistyle 115 pivotables; The first end 122 of described stop part 116 is connected on connector 54 by the 5th axis 117 pivotables, and stop surface 112 is arranged on the second end 124 of stop part 116.Wherein the 3rd, the 4th, the 5th axis 113,115 and 117 is parallel to each other.The first end pivotable of stop part 116 can certainly be connected on bracing frame 56, the second end is connected on connecting rod 114 by pivotable; The first end pivotable of connecting rod 114 is connected on connector 54, and stop surface 112 is arranged on the second end of connecting rod 114.

In the present embodiment, the second end 120 of this connecting rod 114 rotates is connected to 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 arranged, stop surface 112 is formed on the end face of the second end of stop part 116.The cross section of stop part 116 reduces to the second end 124 gradually from first end 122.Certainly, the cross section of this stop part 116 can be also other shape.

In secure shroud 33, be provided with limited block 126.Abutment face is formed on this limited block 126, and arranges with the position leaning with stop surface 112 on the movement locus at 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 the first abutment face 128 and second abutment face 130 of step, as shown in Fig. 5 and Figure 13, in the first operating position, the first abutment face 128 and stop surface 112 against; As shown in Fig. 6 and Figure 14, in the second operating position, the second abutment face 130 and stop surface 112 against.

The first abutment face 128 is connected by inclined-plane 132 with the second abutment face 130.And the first abutment face 128 and the not parallel setting of the second abutment face 130.

Secure shroud 33 has the bottom surface towards worktable support face 46, limited block 12 has the lower surface towards described worktable support face 46, wherein bottom surface is parallel with lower surface or overlap to arrange, but the distance of the lower surface of limited block and worktable support face 46 is not more than the distance of bottom surface and the worktable support face 46 of secure shroud 33.

When bracing frame 56 rotates with respect to connector 54 around the second axis 67, can drive the 3rd axis 113 to rotate 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.Be arranged on stop surface 112 on stop part 116 movement locus around the movement locus of the 5th axis 117 and first axle 40 around the second axis 67 and have certain geometric ratio relation.

As shown in Fig. 5 and Figure 13, in the first operating position, the first abutment face 128 leans at this stop surface 112 with stop surface 112 on the movement locus of the 5th axis 117, and the distance between saw blade axis 31 and worktable support face 46 is H; As shown in Fig. 6 and Figure 14, in the second operating position, the second abutment face 130 leans at this stop surface 112 with stop surface 112 on the movement locus of the 5th axis 117, and the distance between saw blade axis 31 and worktable support face 46 is also H.That is to say, at least two predetermined operating positions, saw blade axis 31 is identical with the minimum range between worktable support face 46.So improved the security of cutting machine.

As Figure 15, shown in Figure 16 and Figure 17, cutting machine also arranges sloped position mechanism 140, for determining that cutter unit 36 is with respect to the angle of inclination of workbench 32 in the vertical directions.This sloped position mechanism 140 comprises retainer 142 and the movable keeper 144 being arranged on connector 54 being arranged on workbench 32.Certainly, retainer 142 also can be arranged on connector 54, and keeper 144 is movable, is arranged on workbench 32.

In double pendulum cutting, this sloped position mechanism 140 need to arrange two retainers and two keepers, and in upright position, these two retainers relatively and saw blade 38 be symmetricly set on workbench 32 and connector 54 on one of them, two keepers are symmetricly set on workbench 32 and connector 54 with saw blade 38 relatively, and wherein another is upper, and so just can limit is approximately the angle of inclination between the left 50 degree scopes that extremely right side 50 is spent; And if in single pendulum cutting, 140 need of this sloped position mechanism arrange a retainer and a keeper, and this retainer and keeper are arranged on left side or the right side of saw blade, so just can limit left 50 degree to the angle of inclination between 0 degree or extremely right 50 degree of 0 degree.Certainly, also can determine and surpass inclination of 50 degrees angle.

In the present embodiment, retainer 142 is two, is symmetricly set on workbench 32.Keeper 142 is also two, is symmetricly set on connector 54.

Keeper 144 is rotating to be arranged on connector 54, and certainly, this keeper 144 also can be arranged on connector 54 in mode slidably.

Keeper 144 comprises at least two locating surfaces with the different axis degree of depth.These locating surfaces can be steps, namely the locating surface of axially spaced-apart; Also can be screw type, circumferentially spaced locating surface namely.If the locating surface of step, locating surface wherein can be also arranged in parallel or 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 separately different axial depth; By rotational positioning part 144, a plurality of parallel locating surfaces are selectable to be contacted with retainer 142, for determining that cutter unit 36 is with respect to the angle of inclination of workbench 32.

In the present embodiment, retainer 142 is mounted in the dogbolt on workbench 32, and this dogbolt 142 provides a plane for contacting with the locating surface of keeper 144.When cutting machine use a period of time or when producing installation, need the definite angle of inclination of compare Zhun Gai sloped position mechanism 140, at this moment can rotate dogbolt 142, thereby make it with respect to the screwed hole rotation on workbench 32, accurately set concrete angle of inclination.

Connector 54 is provided with boss 154, and this boss 154 comprises for the first installed surface 156 of keeper 144 is installed.In the present embodiment, in upright position, the first installed surface 156 is 45 degree angles with the plane at saw blade 38 places.Certainly, the plane at the first installed surface and saw blade 38 places can not be also 45 degree angles.

In this example example, a keeper 144 is arranged on the first installed surface 156, the locating surface of keeper 144 is parallel to the first installed surface 156.

Boss 154 further comprises for the second installed surface 158, the first installed surfaces 156 and second installed surface 158 of keeper 144 is installed and is vertically intersected on an intersection 160, and in upright position, intersection 160 is positioned at the plane at saw blade 38 places.

In this example example, another keeper 144 is arranged on the second installed surface 158, the locating surface of keeper 144 is parallel to the second installed surface 158.

Keeper 144 is by rotating being arranged on connector 54 of locating shaft (not label), and is positioned at connector 54 bottom.That is to say that keeper 144 directly exposes, so convenient installation, simultaneously also handled easily person operation.Each locating surface of keeper 144, perpendicular to the axis direction of locating shaft, certainly, also can make the locating surface of this keeper 144 and the axis direction of locating shaft be obliquely installed as required.

In the present embodiment, this keeper 144 has four steps, these steps have been determined the locating surface of four different axial depth, be 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 determine respectively that cutter unit 36 is left and right 45 degree with respect to the angle of inclination of workbench 32, left and right 46 degree, left and right 47 degree, left and right 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 rotatable positioning member 144.

During concrete operations, while if desired cutting the angle of inclination of left 45 degree, the position that only locating surface one 146 rotations that are arranged on the keeper 144 in left side extremely can need be contacted with the plane of dogbolt 142, so, when rotating connector 54 makes the locating surface 1 of keeper 144, contact with dogbolt 142, just can determine the angle of inclination of left 45 degree.The rest may be inferred, during as need cuttings 46 degree or 47 degree or 48 degree angle of inclination, only needs locating surface rotation corresponding thereto to the position that can contact with the plane of dogbolt 142.Like this, this cutting machine can cut the angle of inclination of 45 degree, also can cut angles of inclination more than 45 degree, and without just determining fast 46 degree, 47 degree etc. by pointer and scale.Certainly, if necessary, also can cut left 50 degree to the arbitrary inclination between right 0 degree.

Claims

1. a cutting machine, comprising:

Workbench, has the worktable support face of supporting workpiece;

Connector, that around longitudinal axis axis, rotates is connected on described workbench, and described longitudinal axis axis is parallel to worktable support face;

Cutter unit, is connected with described connector, and described cutter unit comprises motor and the saw blade being rotarilyd actuate by motor; Described cutter unit has the upright position with respect to described workbench, and described connector rotates around longitudinal axis axis, for supporting described cutter unit, with respect to described upright position, is rotating counterclockwise with clockwise at least one direction;

Sloped position mechanism, is arranged between described connector and described workbench;

It is characterized in that: described sloped position mechanism comprises and is arranged on workbench and the connector retainer on one of them, be movably arranged on the wherein keeper on another of workbench and connector, one of them is provided with described workbench and connector for the first installed surface of keeper is installed, in described upright position, the plane at described the first installed surface and described saw blade place forms angle, wherein said keeper comprises at least two locating surfaces with the different axis degree of depth, by running fix part, at least two selectable and described retainers of locating surface coordinate, set described cutter unit with respect to the angle of inclination of described workbench.

2. cutting machine according to claim 1, is characterized in that: described keeper is rotating to be arranged on connector.

3. cutting machine according to claim 2, is characterized in that: described retainer is two, is symmetricly set on described workbench; Described keeper is two, is symmetricly set on connector.

4. cutting machine according to claim 3, is characterized in that: described connector is provided with for the first installed surface of keeper is installed, and in described upright position, the plane at described the first installed surface and described saw blade place is 45 degree angles.

5. cutting machine according to claim 4, is characterized in that: described keeper is rotating to be arranged on described the first installed surface, and the locating surface of described keeper is parallel to described the first installed surface.

6. cutting machine according to claim 4, it is characterized in that: described connector is provided with for the second installed surface of keeper is installed, described the first installed surface and the second installed surface are vertically intersected on an intersection, and in upright position, described intersection is positioned at the plane at described saw blade place.

7. cutting machine according to claim 6, is characterized in that: described keeper is rotating to be arranged on described the second installed surface, and the locating surface of described keeper is parallel to described the second installed surface.

8. cutting machine according to claim 1, is characterized in that: described keeper comprises the locating surface of four steps.

9. cutting machine according to claim 8, is characterized in that: the axial depth of the locating surface of described keeper is alternation successively.

10. cutting machine according to claim 9, is characterized in that: the locating surface of described keeper is evenly formed on the circumference of described keeper.