CN101653954B

CN101653954B - Planer

Info

Publication number: CN101653954B
Application number: CN2008101246501A
Authority: CN
Inventors: 沃伦·布朗; 哈利·索默; 格雷厄姆·格哈德
Original assignee: Positec Power Tools Suzhou Co Ltd
Current assignee: Jiangsu Lipu Electronics Co. Ltd.
Priority date: 2008-08-20
Filing date: 2008-08-20
Publication date: 2012-01-25
Anticipated expiration: 2028-08-20
Also published as: CN101653954A; WO2010020170A1

Abstract

The invention relates to a planer, which comprises a base, a guide rod matched and connected with the base, and a tool rest component provided with a motor and a planer tool driven by a motor, wherein the tool rest component can move upwards and downwards along with the guide rod; a connecting device for supporting the tool rest component is arranged between the tool rest component and the base; and the tool rest component can be pivotally connected with the connecting device. Therefore, the tool rest component can be turned relative to the base to ensure that the planner tool is completely exposed, so an operator can conveniently maintain and replace the planer tool. Moreover, the tool rest component, a first supporting arm and a second supporting arm form a parallel four-linkage mechanism, and the parallel four-linkage mechanism can be movably arranged on the guide rod. Therefore, the operator can conveniently and accurately adjust the planing depth.

Description

Planer

Technical field

The present invention relates to is a kind of woodworking machinery, particularly relates to a kind of cutting depth and the convenient planer that planing tool is repaired or replaced that can conveniently regulate planing tool.

Background technology

Planer usually is used to plank is carried out surperficial processed.Disclosed a kind of planer No. 1513648 like Chinese publication; This planer comprises support; Support is by a pair of relative sidepiece, top and base is formed and each parts connects through screw threads for fastening, four support columns on being vertically set at the bottom of the end, and the cutter holder assembly that can vertically move along this support column.Cutter holder assembly is equipped with motor, reaches by motor-driven planing tool with by motor-driven charging and discharging roller.This cutter holder assembly can vertically be installed on the support column movably, with the distance adjustment between realization cutter holder assembly and the base, thus the workpiece of the different-thickness of can planing.

Cutter holder assembly has defined a workpiece hole with base, passes through for workpiece.

The rotatable bottom of cutter holder assembly and the position of contiguous workpiece hole of being installed in of above-mentioned planing tool; Planing tool is installed in it by securing member and digs on the axle; In order to guarantee safety, prevent the operator accidentally with hand near to planing tool, block so on planing tool, also be provided with a lid; And the maintenance of planing tool or replacing for ease, lid is installed on the cutter holder assembly through screw is dismountable.

Because lid is fixed on the cutter holder assembly through the mode of screw; So when needing repairing or change blade; Must lid be removed tool using; And replacing or maintenance blade also must use special-purpose instrument, and owing to space between cutter holder assembly and the top is less, make operation very inconvenient.And because cutter holder assembly and headroom are little, and both sides have a pair of relative sidepiece, so that the light of operating space is darker, the operator changes or keeps in repair planing tool in this case, is easy to hurt by blade, so also quite danger.

Summary of the invention

Main purpose of the present invention is: the planer that provide a kind of and can make things convenient for, safety repairs or replaces planing tool.

Another object of the present invention is: a kind of convenience is provided, regulates the planer of ploughing depth accurately.

The technical solution adopted for the present invention to solve the technical problems: a kind of planer; The guide rod that comprises base, connects with said base and can be along the upper and lower mobile cutter holder assembly of said guide rod; Wherein said cutter holder assembly comprises that motor reaches by motor-driven planing tool; Between said cutter holder assembly and said base, be provided with the jockey that supports said cutter holder assembly, said cutter holder assembly is connected with said jockey pivotly.

Preferably, said jockey comprises first support arm, and said first support arm and said cutter holder assembly articulate through first pivot is movable, and said first support arm and said base articulate through second pivot is fixing.

Said jockey further comprises second support arm, and said second support arm and said cutter holder assembly articulate through the 4th pivot is movable, and said second support arm and said base articulate through the 3rd pivot is fixing.

Preferably, said second pivot and the coaxial setting of said the 3rd pivot.

Preferably, said jockey further comprises the support column that connects with said base, and said support column is used to connect second pivot and the 3rd pivot.

Preferably, said cutter holder assembly and said support column, and first support arm and second support arm formed a quadric chain.

Wherein, said quadric chain is a parallel four-bar linkage, and the distance between wherein said first pivot and the said second pivot diaxon equates with distance between said the 3rd pivot and said the 4th pivot diaxon; Distance between said first pivot and said the 4th pivot diaxon equates with distance between said second pivot and said the 3rd pivot diaxon.

Line between two pivotal axis on line between two pivotal axis on the said cutter holder assembly and the said support column is parallel.

Line and said base between two pivotal axis on the said support column have angle, have constant angle between line between two pivotal axis on the said cutter holder assembly and the said base.

Line and said base between two pivotal axis on the said support column laterally arrange, and the line between two pivotal axis on the said cutter holder assembly is parallel with said base.

Dismountable and said second support arm of said cutter holder assembly pivots and is connected, and is provided with retaining mechanism between the two.

Dismountable and the said support column of said second support arm pivots and is connected.

Said cutter holder assembly has bottom surface that planing tool is housed and the last end face that is oppositely arranged; Said cutter holder assembly is movable between two states around said first pivot; At first state, the distance between said upward end face and the base is greater than the distance between said bottom surface and the base; At second state, the distance between said upward end face and the base is less than the distance between said bottom surface and the base.

Preferably; Be provided with retaining mechanism between said cutter holder assembly and said second support arm, said retaining mechanism comprises the bearing that is installed on the cutter holder assembly, is arranged on handle on said second support arm, the check lock lever that extends along y direction and the connecting rod that is used to connect handle and check lock lever pivotly.

Wherein, through rotary handle, make check lock lever and to have two positions along its y direction slip, in said primary importance, said check lock lever closely contacts with said bearing, and said cutter holder assembly and the rotation of said second support arm connect; In the said second place, said check lock lever disengaging cooperates with said bearing, and said cutter holder assembly and said second support arm disengage, and said cutter holder assembly can be around said first pivot rotation.

Preferably, said planer also comprises the switch that is arranged on the cutter holder assembly, and is arranged on the safe locking device between the cutter holder assembly and second support arm.

Wherein, Said safe locking device comprises and is arranged on the socket on the cutter holder assembly and is arranged on the power line on second support arm; Wherein said socket is connected with said switch through electric wire; One end of said power line is provided with the plug that connects with said socket, and when said cutter holder assembly rotated around said first pivot, said plug and said socket were thrown off.

Preferably, said guide rod is arranged on the base pivotly, and said first pivot is arranged on the said guide rod movably.

Wherein, be provided with lifting structure between said guide rod and the said cutter holder assembly, said lifting structure is used to regulate the height of the said relatively base of said cutter holder assembly.

Preferably; Said cutter holder assembly has been formed a three-link mechanism with said first support arm and said second support arm; Wherein said cutter holder assembly is slidably disposed on said second support arm, and line between two pivotal axis on the said cutter holder assembly and said base have constant angle β.

Compared with prior art; Beneficial effect of the present invention: cutter holder assembly is connected with jockey pivotly, when the cutter holder assembly disengagement cooperates with one of them support arm, and just can be with this cutter holder assembly around a pivotal axis pivot; And make cutter holder assembly movable between two states; At first state, the bottom surface with planing tool is near workbench, the planer workpiece of can planing; At second state, cutter holder assembly overturns with respect to base, and the bottom surface with planing tool is away from workbench; Make planing tool be exposed to the outside fully, so, the operator is when maintenance or replacing blade; Have very big operating space, make the operator repair or replace very convenient, safety planing tool.

Cutter holder assembly and support column, and first, second support arm formed a parallel four-bar linkage, and one of them pivot of parallel four-bar linkage is arranged on the described guide rod movably.So, the operator can make things convenient for, regulate accurately planing depth.Because cutter holder assembly and support column, and first, second support arm composition is parallel four-bar linkage; So in the process that cutter holder assembly moves up and down along guide rod; It is parallel all the time that line between two pivotal axis on line between two pivotal axis on the cutter holder assembly and the support column keeps; And support column fixedly installs; So make to have a constant angle between line and the base between two pivotal axis on the cutter holder assembly, plane, planing tool place is parallel to base all the time like this, thereby has guaranteed planing quality.

Or cutter holder assembly and first, second support arm form a three-link mechanism, and one of them pivot of this three-link mechanism is removably set on the described guide rod, makes the operator can make things convenient for, regulate accurately planing depth.And wherein cutter holder assembly is slidably disposed on second support arm, and so the line between two pivotal axis on the cutter holder assembly can have a constant angle with said base, and planing tool belongs to the plane and is parallel to base all the time like this, thereby has guaranteed planing quality.

Description of drawings

Below in conjunction with accompanying drawing concrete elaboration is carried out in preferred embodiment of the present invention.

Fig. 1 is a planer stereogram of the present invention.

Fig. 2 is a planer three-dimensional exploded view of the present invention.

Fig. 3 is that planer of the present invention is regulated the movement locus figure of cutter holder assembly with respect to substructure height.

Fig. 4 is the sectional perspective exploded view of planing tool assembly in the planer of the present invention, and wherein small blade is an enlarged diagram.

Fig. 5 is the three-dimensional exploded view of elevating mechanism in the planer of the present invention.

Fig. 6 is the sketch map that planer head assembly of the present invention is in extreme lower position.

Fig. 7 is the sketch map that planer head assembly of the present invention is in the extreme higher position.

Fig. 8 is the sketch map that retaining mechanism removes part second support arm in the planer of the present invention, and this moment, retaining mechanism was in locked position.

Fig. 9 is the sketch map that retaining mechanism removes part second support arm in the planer of the present invention, and this moment, retaining mechanism was in unlocked position.

Figure 10 is a planer stereogram of the present invention, and this moment, plug was extracted socket.

Figure 11 is a planer stereogram of the present invention, and this moment, cutter holder assembly can be around the rotation of first pivot.

Figure 12 is a planer stereogram of the present invention, and this moment, cutter holder assembly turned.

Figure 13 is the three-dimensional exploded view of ploughing depth indicating device in the planer of the present invention.

Figure 14 is the stereogram of synchronous drive mechanism in the planer of the present invention.

Figure 15 is the three-dimensional exploded view of planer middle gear gearbox of the present invention.

Figure 16 is the stereogram of planer middle gear gearbox of the present invention, and this moment, gear change hand lever was transferred to top gear.

Figure 17 is the stereogram of planer middle gear gearbox of the present invention, and this moment, gear change hand lever was transferred to low or first gear.

Figure 18 is the schematic perspective view of planer clean conditions of the present invention.

Figure 19 is the stereogram of transmitting device transmission workpiece in the planer of the present invention, and this moment, second guide wheel was in the operating position.

Figure 20 is the another embodiment schematic diagram of the jockey in the planer of the present invention.

Figure 21 is an embodiment schematic diagram again of the jockey in the planer of the present invention.

Wherein:

1,1a,

1b base

10,10a, 10b cutter holder assembly 11. electric machine assemblies

110. switch module 111. electric machine casings 112. motor shafts

115. drive pulley 116. belts 117. driven pulleies

118. fixture block 119. switches 12. planing tool assemblies

121,121a, 121b planing tool 122. block bearings 123. cutter shafts

124. tool rest 125. cutter grooves 126. small blades

127. cutting edge 128. mounting portions 129. circular ports

13. workpiece feed arrangement 131. charging rollers 132. discharging rollers

133. main body 134. first terminal 135. second ends

136. bearing 137. bearings 14. carriages

141. cutter cave 142. control panels, 1421. grooves

1422. overcurrent protection switch 143. first installing holes 144. second installing holes

145. the 3rd installing hole 146. the 4th installing hole 147. the 5th installing hole

148. unloading device is prevented in 15. chargings of the 6th installing hole 149. the 7th installing hole

150. 151. 152. baffle plates of groove

153. pad 154. ratchets 155. boss

156. accepting hole 157. boss 158. accepting holes

16. dust collect plant 161. protective covers 1611. main parts

1612. control of dust pipeline 1613. side wall member 1614. end wall members

162. outer wheel hubs, the 1621. hub bodies 1615. enter the mouth

1622. draw-in groove 1623. outlets 163. impellers

164. lid 1641. loam cakes 1642. lower covers

1643. projection 1644. knobs 1645. handle portions

165. bonnet 1651. bearing pins 1652. handle portions

1653. hole 17. synchronous drive mechanisms, 171. first sprocket wheels

172. second sprocket wheel 173. the 3rd sprocket wheel, 174. tightener sprockets

1741. screw 1742. springs 1743. fixed heads

175. chain 18. drive units 181. belt gears

182. first belt wheel, 183. second belt wheels, 184. belts

185. jackshaft 186. first ends 187. the second ends

188. first gear, 19. speed-changing gear boxs, 191. gear box casings

192. first housing, 193. second housings, 194. second gears

195. the 3rd gear 196. rotating shafts 197. rotating shafts

2,2a, 2b guide rod 20,20b parallel four-bar linkage 21. upper ends

22. bottom 23. bearing pins, 24. first order planetary gears

241. first planetary gear set, 2411. planetary gears, 242. first ring gears

243. first planet carrier, 25. second level planetary gears, 251. second planetary gear set

2511. planetary gear 252. second ring gears 2521. projections

253. second planet carrier, 254 second sun gears, 26. third level planetary gears

261. second planetary gear set, 2611. planetary gears 262. the 3rd ring gear

2621. projection 263. the third line star framves 264. the 3rd sun gear

27. support 271. bearing pins 28. gears

281. gear change hand lever 282. support members 2821. accepting grooves

2822. accepting groove 283. rotating shafts 284. first poke rods

285. second poke rod, 286. keepers, 287. first locating slots

288. second locating slot, 289. torsion springs, 290. first pins

291. second pin, 292. first contact-making surfaces, 293. second contact-making surfaces

294. groove 295. first contact-making surfaces 296. second contact-making surfaces

297. groove 298. first draw-in grooves 299. second draw-in grooves

3,3a,

3b front side

30,30a,

30b jockey

31,31a, 31b first support arm

311. first end 312. the second ends 313. bearings

314. bearing cap 315. cover plates 316. oval-shaped holes

32,32a, 32b second support arm 321. first ends 322. the second ends

323. bearing 324. bearing caps 33, the 33b support column

331. support arm 333. upper ends, main body 332. back

334. bottom 335. storage areas, 336. storage areas

337. accepting groove 4,4a, 4b

rear side

41,41a, 41b first pivot

42,42a, 42b

second pivot

43,43a, 43b the

3rd pivot

44,44a, 44b the 4th pivot

45,45a, 45b Wushu axle 46,46a, 46b the 6th pivot 5. workbench

50. main part on lifting structure 51. lock nut 511.

512. following main part 513. intermediate flange 514. internal orifice dimensions

515. worm gear 52. governor motions 521. worm screws

522. connecting axle 523. handwheels 524. rotary handles

53. gear-box 531. first housings 532. second housings

533. accepting hole 534. through holes 54. bearings

55. bearing 56. bearing caps 57. cutting-in scales

58. indicator 59. pointers 6. support foots

60. retaining mechanism 61. bearings 62. pivots

63. handle 64. check lock levers 65. connecting rods

651. first end, 652. second ends, 7. workpiece hole

70. safe locking device 71. sockets 72. power lines

73. plug 8. width limiting plates 80. ploughing depth indicating devices

81. indication seat 811. through holes 82. pivots

83. workpiece contact 831. ends 832. convexities

833. accepting hole 84. connecting rods 841. side levers

842. connecting rod 843. through holes 844. through holes

845. bearing pin 846. bearing pins 847. bearing pins

85. scale frame 851. bearing pins 853. accepting holes

86. transparent display screen 87. pointers 88. pivots

89. dial 9. baffle plates 90. transmitting devices

91. first guide wheel, 92. second guide wheels, 93. connectors

931. main body 932. recesses 933. convexities

94. end face on main part 100. planers 101.

102. bottom surface 200. workpiece

The specific embodiment

As shown in Figure 1, planer 100 comprises seat seat 1, the guide rod 2 that connects with said base 1 and the cutter holder assembly 10 that planing tool assembly 12 (as shown in Figure 2) is housed, and wherein this cutter holder assembly 10 can be along guide rod 2 upper and lower moving.Base 1 has near operator's front side 3 with away from operator's rear side 4; It comprises the workbench 5 and a pair of a pair of support foot 6 that is arranged on workbench 5 both sides of supporting workpiece, and cutter holder assembly 10 has defined the workpiece hole 7 of passing for workpiece with the workbench 5 of supporting workpiece.As shown in Figure 2, also be provided with the width limiting plate 8 of the width range that limits workpiece in the both sides of workbench 5, on cutter holder assembly 10, be arranged with the baffle plate 9 of protection.

Guide rod 2 is provided with screw thread, and it can be arranged on the front side of base 1 rotatably around pivot.Like Fig. 2 and shown in Figure 5; This threaded guide rod 2 has bottom 22 that connects with support foot 6 and the upper end 21 that is oppositely arranged; Wherein bottom 22 is the light screw thread; Connected bearing pin 23, threaded guide rod 2 cooperates through the hole that forms on this bearing pin 23 and the feet 6, makes that threaded guide rod 2 can be with respect to forward and backward side 3,4 pivots of base 1.

As shown in Figure 2, cutter holder assembly 10 comprises carriage 14, and is arranged on the electric machine assembly 11 on the carriage 14, planing tool assembly 12, and workpiece feed arrangement 13, unloading device 15 is prevented in charging, and dust collect plant 16, change gear box 19, ploughing depth indicating device 80.

The bottom of carriage 14 has a cutter cave 141, and cutter cave 141 comprises a horizontal-extending otch, and its cutter cave 141 sizes are to support planing tool assembly 12 for suitable.Front side at carriage 14 also is provided with control panel 142.Carriage 14 is mainly used in support motor assembly 11, planing tool assembly 12, and workpiece feed arrangement 13, unloading device 15 is prevented in charging, and dust collect plant 16 or the like, so which is provided with many installing holes, can specify below.

Electric machine assembly 11 is rotatably installed in through a pair of block bearing in first installing hole 143 of carriage 14, and it comprises electric machine casing 111, be contained in motor (not shown), the motor shaft 112 that is fixedly connected with motor in this electric machine casing 111, reach switch module 110.Wherein motor shaft 112 has first, second end; Wherein first end is being fixedly connected drive pulley 115; Through belt 116 power is transferred to the driven pulley 117 on the planing tool assembly 12; This driven pulley 117 fixedly connects with planing tool assembly 12, is used to the workpiece of planing thereby power is transferred to planing tool assembly 12 by motor.

Switch module 110 comprises the switch 119 that is arranged on the control panel 142, and connects the electric wire (not shown) between motor and the switch 119.Switch 119 is arranged on the control panel 142 of planer 100 front sides, and the person operates thereby be used for the handled easily.

Also be provided with overcurrent protection switch 1422 (can referring to shown in Figure 1) on the control panel 142, when cutting output is too big or because timber is too hard, when causing the planing tool stall, this overcurrent protection switch 1422 can be cut off the electricity supply automatically, makes this planer quit work.At this moment need close switch 119, adjust cutting output then, press overcurrent protection switch 1422 again it is resetted.

Planing tool assembly 12 is rotatably installed in second installing hole 144 of carriage by a pair of block bearing 122, and is positioned at cutter cave 141 and can rotates freely with respect to cutter cave 141.

As shown in Figure 4; Planing tool assembly 12 comprises can be around the planing tool 121 of cutter shaft 123 rotations; On planing tool 121 side faces, be provided with the tool rest 124 and cutter groove 125 of zigzag shape or arcuation, planing tool 121 is made up of many small blades 126, and these small blades 126 are installed on the tool rest 124 with the predetermined arrangement form; Be to arrange in the present embodiment, thereby formed the cutter tooth of zigzag shape with the formation of zigzag shape.And cutter tooth wire in the shape of a spiral, the planing tool of straight-tooth has relatively increased the work area of planing tool 121.And because helical structure, when making its work, cutter tooth is to cut gradually, thereby has reduced cutting resistance and chatter significantly, the noise when having reduced cutting.Cutter groove 125 is a helical form also, makes chip removal more convenient.Multiple arrange of small blade 126 on tool rest 124 when having improved crudy and working (machining) efficiency, delayed the wearing and tearing of planing tool 121, thereby prolonged the service life of planing tool 121.

Each small blade 126 is roughly square, comprises four cutting edges 127 and a mounting portion 128, wherein cutting edge 127 be distributed in small blade 126 around, and have smaller bending, to prevent to scratch the good workpiece of planing.Mounting portion 128 comprises circular installing hole 129, and screw can be with small blade 126 firm being installed on the tool rest 124 through this installing hole 129.

When maintenance or replacing blade,,, so made things convenient for and keeped in repair or change, but also reduced cost so only need and with indivedual small blades 126 maintenances blunt or that damage or to change because planing tool 121 is made up of many small blades 126.Add that each small blade 126 has four cutting edges 127, when one of them cutting edge 127 damages or uses when blunt; Can it be revolved and turn 90 degrees or 180 degree or 270 degree; Make unspoiled cutting edge 127 work, so be equivalent to change blade three times, reduced the replacing frequency of blade; Prolong the life cycle of blade, thereby greatly reduced use cost.

Referring to Fig. 1, between cutter holder assembly 10 and base 1, be provided with jockey 30 again, this jockey 30 is used to support cutter holder assembly 10.

Jockey 30 comprises the support column 33 that is fixedly installed on base 1 rear side, and can be connected first,

second support arm

31,32 on the support column 33 rotatably around pivot.

As shown in Figure 2, first support arm 31 is not a solid construction, but has a hollow cavity, in order to increase the frame rigidity, in be provided with the gusset of triangular construction, and be provided with cover plate 315.Each first support arm 31 comprises first end 311 and the second end 312, and wherein first end 311 is through first pivot 41 and cutter holder assembly 10 movable pivot joints; The second end 312 is through second pivot 42 and support column 33 fixing pivot joints.Wherein this first pivot 41 is movable with respect to base 1; This second pivot 42 is fixing with respect to base 1.

Equally, what second support arm 32 neither solid construction, but have a hollow cavity, in order to increase the frame rigidity, in be provided with the gusset (not shown) of triangular construction.Each second support arm 32 comprises first end 321 and the second end 322, and wherein first end 321 is through the 3rd pivot 43 and support column 33 fixing pivot joints; The second end 322 is through the 4th pivot 44 and cutter holder assembly 10 movable pivot joints.Wherein the 4th pivot 44 is movable with respect to base 1; The 3rd pivot 43 is fixing with respect to base 1.

Support column 33 have the main body 331 that fixedly connects with base 1 and be positioned at main body 331 both sides and be higher than main body 331 two the back support arms 332.Wherein each back support arm 332 has bottom 334 and the upper end 333 that is oppositely arranged.

As shown in Figure 2, first support arm 31 can be arranged on the bottom 334 of back supporting arm 332 around second pivot 42 rotatably through bearing 313, in order to reduce gap and sealing, on bearing 313, also is provided with bearing cap 314 (can referring to Fig. 1); Second support arm 32 can be arranged on the upper end 333 of back supporting arm 332 around the 3rd pivot 43 rotatably through bearing 323, in order to reduce gap and sealing, on bearing 323, also is provided with bearing cap 324 (can referring to Fig. 1).

Like Figure 11 and shown in Figure 12, the rear side of support arm 332 has storage area 335 in the back, and this storage area 335 can be used for storage power line, instrument or the like; Rear side at another back support arm 332 has the storage area (not shown) that is used to hold annex, instrument or cutter etc. too; Rear side in main body 331 can have the storage area 336 that is used to hold annex, instrument or cutter etc. equally.Certainly on storage area 335,336, also can be provided with lid.

Wherein, cutter holder assembly 10 and back support arm 332, and said first support arm 31 and second support arm 32 formed a quadric chain.

As shown in Figure 3, wherein the distance between first pivot 41 and second pivot 42 equates with distance between the 3rd pivot 43 and the 4th pivot 44; Distance between first pivot 41 and the 4th pivot 44 also equates with distance between second pivot 42 and the 3rd pivot 43.So this quadric chain is a parallel four-bar linkage.

In threaded guide rod 2 upper and lower mobile processes, threaded guide rod 2 also can be with respect to forward and backward side 3,4 pivoting actions of base 1 at cutter holder assembly 10.As shown in Figure 3; According to the characteristic of parallel four-bar linkage, the line between two pivotal axis (second pivot 42 and the 3rd pivot 43) on line between two pivotal axis on the cutter holder assembly 10 (first pivot 41 and the 4th pivot 44) and the back support arm 332 remains and is parallel to each other.Then support arm 332 is fixedly installed on the base 1; Line and base 1 between the axle center of second pivot 42 on it and the axle center of the 3rd pivot 43 have constant angle; So have a constant angle between line between the axle center of first pivot 41 on the cutter holder assembly 10 and the axle center of the 4th pivot 44 and the base 1; The plane that is to say planing tool 121 places on the cutter holder assembly 10 is parallel with workbench 5 all the time, thereby has guaranteed planing quality.

Hence one can see that, guarantee that the plane at planing tool 121 place is parallel all the time with workbench 5, only needs to guarantee that line and level or vertical direction between two pivotal axis on the cutter holder assembly 10 of this planing tool 121 of support keeps a constant angle.

Certainly, this jockey 30 also can include only first support arm 31 (not shown), and this first support arm 31 pivots with base 1 through pivot and cutter holder assembly 10 respectively.Cutter holder assembly 10 pivots with base 1 through this first support arm 31 and is connected, thereby realizes that cutter holder assembly 10 is along threaded guide rod 2 upper and lower moving.

The cutting depth of workpiece is to select with respect to the height of base 1 through adjustment cutter holder assembly 10.As shown in Figure 3, cutting depth is to realize through the upper and lower slip of parallel four-bar linkage 20 first pivot 41 wherein along threaded guide rod 2 in the present embodiment.Like Fig. 2 and shown in Figure 5, between parallel four connecting rod machines 20 and threaded guide rod 2, be provided with lifting structure 50.

As shown in Figure 5, these lifting structure 50 structures comprise adjusting nut 51 and governor motion 52, this adjusting nut 51 and threaded guide rod 2 threaded engagement.

Adjusting nut 51 comprises upper and lower main part 511,512, in upper and lower main part 511, intermediate flange 513 between 512, and extends fully the internal orifice dimension 514 through adjusting nut 51.Wherein internal orifice dimension 514 comprises threaded portion, is used for cooperating with threaded guide rod 2.

Intermediate flange 513 extends radially outwardly in upper and lower main part 511,512, and comprises and on this ledge surface, be provided with worm gear 515 by upper and lower ledge surface, and the wrom tooth of this worm gear 515 is formed on around the cylindrical of intermediate flange 513 on the face.

Governor motion 52 comprises the worm screw 521 that cooperates with adjusting nut 51, make worm screw 521 Synchronous Transmission connecting axle 522, and the handwheel 523 that is arranged on connecting axle 522 1 ends.

Connecting axle 522 passes on the 3rd installing hole 145 that is arranged on the carriage 14 simultaneously and is arranged on the oval-shaped hole 316 (as shown in Figure 2) on first supporting arm 31.And worm screw 521 is separately positioned on the two ends of connecting axle 522, and the worm gear 515 on the intermediate flange 513 of each worm screw 521 and corresponding adjusting nut 51 is meshed.Thereby formed worm gear and worm structure, this structure makes adjusting highly convenient and stable, reliable; This planer adds that worm gear and worm structure also have auto-lock function, so also need not to use specific height locking mechanism.

On the excircle of handwheel 523, be provided with rotary handle 524 pivotly.As shown in Figure 1, when needs, can rotary handle 524 be pivoted to operating position; As shown in Figure 2, in the time need not adjusting, can rotary handle 524 be pivoted to stowed position, so can reduce the packaging volume of whole planer 100; Simultaneously also can avoid maloperation and influence the quality of planing.

This lifting structure 50 also is provided with gear-box 53, and this gear-box 53 is used to accommodate adjusting nut 51 and and its engaged worm 521.

Gear-box 53 comprises first, second matched housing 531,532, on first housing 531, is provided with accepting hole 533, and threaded guide rod 2 passes this accepting hole 533.Second housing 532 is provided with through hole 534, connecting axle 522 rotatable being arranged in this through hole 534.

531 are provided with pair of bearings 55 on first housing, as shown in Figure 2, and the first end 311 of first support arm 31 can connect around Wushu axle 45 and gear-box 53 through this bearing 55.In order to reduce gap and sealing, as shown in Figure 1, on bearing 55, also be provided with bearing cap 56.

Also be provided with bearing 54 on 531 on first housing, as shown in Figure 2, the both sides of the carriage 14 of cutter holder assembly 10 are provided with the 4th installing hole 146, and bearing 54 is contained in the 4th installing hole 146.So, cutter holder assembly 10 can connect with gear-box 53 around the 6th pivot 41 through the cooperation of bearing 54 and the 4th installing hole 146.Here, the 6th pivot 41 and Wushu axle 45 and the 41 coaxial settings of first pivot.Thereby cutter holder assembly 10 pivots with first support arm 31 through this gear-box 53 and is connected.Under the situation of needs, this cutter holder assembly 10 can also be around 46 upsets of the 6th pivot.

Like Fig. 5 and shown in Figure 6; When needs regulate cutter holder assembly 10 with respect between the base 1 apart from the time; The rotary handle 524 that only need pivot out, rotation rotary handle 524, thus make connecting axle 522 and superincumbent worm screw 521 is set with respect to gear-box 53 rotations; Worm gear 515 engagements on worm screw 521 and the intermediate flange 513 make the screw thread of internal orifice dimension 514 of adjusting nut 51 mesh with threaded guide rod 2.Like Fig. 6 and shown in Figure 7, thereby cutter holder assembly 10 can be upper and lower mobile along threaded guide rod 2, thereby realized the distance adjustment between cutter holder assembly 10 and the base 1.

Because cutter holder assembly 10 is through first,

second support arm

31,32; And back support arm 332 has been formed a parallel four-bar linkage 20; So make cutter holder assembly 10 move and non-perpendicular moving with respect to base is upper and lower along threaded guide rod 2, threaded guide rod 2 also can be with respect to forward and backward side 3,4 pivoting actions of base 1 simultaneously.As shown in Figure 3, when solid line representes that cutter holder assembly 10 is in extreme lower position, the residing position of guide rod, jockey and planing tool; After dotted line has represented to regulate the position of cutter holder assembly 10 with respect to base, the residing position of guide rod, jockey and planing tool.

Move up with respect to base 1 in the process of dotted line position among the arrival figure when regulating cutter holder assembly 10; First,

second support arm

31,32 can turn clockwise (shown in the E direction among Fig. 3) around second, third pivot 42,43, and the position behind the pivot is shown in dotted line among the figure; When threaded guide rod 2 turns clockwise around pivot simultaneously (shown in the E direction among Fig. 3), the position behind the pivot is shown in dotted line among the figure.Thereby the movement locus that makes the pivot 41 of winning is that the axle center with second pivot 42 is the circular arc line in the center of circle, and the movement locus of same the 4th pivot 44 is that the axle center with the 3rd pivot 43 is the circular arc line in the center of circle.Thereby the movement locus that has caused planing tool 121 also is to be the circular arc line in the center of circle with a certain specified point (this specified point is to infer out through certain arithmetic formula, and is known by those skilled in the art, does not just give unnecessary details) here.

Equally; In the process that adjusting cutter holder assembly 10 moves down with respect to base 1; Just arrived in the process of solid line position by dotted line position, first,

second support arm

31,32 can be rotated counterclockwise (like the rightabout of the E direction among Fig. 3) around second, third pivot 42,43; Threaded guide rod 2 is rotated counterclockwise (like the rightabout of the E direction among Fig. 3) around pivot simultaneously.And the movement locus of first pivot 41 is that the axle center with second pivot 42 is the circular arc line in the center of circle, and the movement locus of the 4th pivot 44 is that the axle center with the 3rd pivot 43 is the circular arc line in the center of circle.Thereby the movement locus that has caused planing tool 121 is to be the circular arc line in the center of circle with a certain specified point.

Hence one can see that, and this planing tool 121 not only in the vertical direction has produced displacement, and has also produced displacement in the horizontal direction.In other words, be exactly that this planing tool 121 not only can upper and lowerly move, but also translation in the horizontal direction.

But because cutter holder assembly 10 is parallel with back support arm 332 all the time; As shown in Figure 3; Characteristic according to parallel four-bar linkage; Line between two pivotal axis (second pivot 42 and the 3rd pivot 43) on line between two pivotal axis on the cutter holder assembly 10 (first pivot 41 and the 4th pivot 44) and the back support arm 332 remains and is parallel to each other; Then support arm 332 is fixedly installed on the base 1; So have a constant angle between line between the axle center of first pivot 41 on the cutter holder assembly 10 and the axle center of the 4th pivot 44 and the base 1, that is to say that the plane at planing tool 121 places on the cutter holder assembly 10 is parallel all the time with workbench 5 all the time, thereby guaranteed planing quality.

Owing to have upper and lower thread pitch between the screw thread of the internal orifice dimension 514 of threaded guide rod 2 and adjusting nut 51; If thread pitch between the two at cutter holder assembly 10 in the upper and lower sliding process of threaded guide rod 2; Lean on last for a moment; By down, so can make to have influence on cutting quality by planing tool 121 upper and lower play in working angles for a moment.

And, prevent planing tool 121 play in working angles in order to make thread pitch between the two remain on the direction, guaranteed the quality of cutting.As shown in Figure 2, between the second end 312 of the main body of support column 33 and first support arm 31, be provided with the compression spring.One end of this compression spring is housed in the accepting groove 337 of setting symmetrical on the main body 331 of support column 33; The other end of this compression spring is housed in the accepting groove (not shown) of the second end 312 of first support arm 31 and the side setting that support column 33 connects.

This compression spring make adjusting nut 51 all the time towards with the direction of threaded guide rod 2 engagement; Thereby make the thread pitch between the screw thread of internal orifice dimension 514 of threaded guide rod 2 and adjusting nut 51 remain on the direction; Prevent planing tool 121 play in working angles, guaranteed the quality of cutting.

And this compression spring also makes the operator pleasant in regulating the height process.This is to rotate rotary handle 524 because work as the operator; Make cutter holder assembly 10 along threaded guide rod 2 when the lower slider; Because cutter holder assembly 10 has certain gravity, so here the operator also need overcome the spring force that compresses spring under the help at gravity when regulating height downwards; When the operator rotates rotary handle 524, when making cutter holder assembly 10 along upwards the sliding of threaded guide rod 2, because the effect of compression spring, so here the operator also need overcome certain gravity under the effect of compression spring to the adjusted height time.Therefore, in threaded guide rod 2 upper and lower sliding processes, the force rate that the operator acts on rotary handle 524 is balanced, thereby makes the operator pleasant at cutter holder assembly 10.

Worm screw 521 be arranged on worm gear 515 self-locking mutually on the intermediate flange 513.Thereby guarantee the relative position of cutter holder assembly 10 relative bases 1, and need not to use other fixture.As when need not to regulate height, can rotary handle 524 be pivoted to stowed position, and so can avoid touching because of carelessness rotary handle 524, thereby change the height of cutter holder assembly 10 with respect to base 1, also can reduce packaging volume simultaneously, reduced cost.

Like Fig. 1 and shown in Figure 5; Cutting-in scale 57 is installed on the threaded guide rod 2 on right side in a fixed manner; And because threaded guide rod 2 can be all the time perpendicular to base; It can pivot with respect to the forward and backward side 3,4 of base 1 in the upper and lower moving process of cutter holder assembly 10, so the scale in order to sign workpiece desired thickness is not uniformly on the cutting-in scale 57, but change with certain rule.And, make so just can mark reading clear, accurately by the long and traditional scale of cutting-in scale, thereby make convenient reading and accurate owing to pivot.

This planer 100 also is provided with the indicator 58 that cooperates with cutting-in scale 57, and this indicator 58 is installed on first housing 531 of gear-box 53 with adjustable mode, and can move along with gear-box 53 is upper and lower together.

Indicator 58 is installed on first housing 531 with adjustable mode through the screw (not shown), with convenient calibration.The middle hollow out of indicator 58 with the convenient scale of observing on the cutting-in scale 57, is provided with pointer 59 on the right side of the middle hollow out of indicator 58.

Upper and lower when mobile with respect to base 1 when cutter holder assembly 10, the position of pointer 59 on cutting-in scale 57 indicates the thickness of desired workpiece.

As shown in Figure 2, be provided with retaining mechanism 60 between cutter holder assembly 10 and second support arm, 32 the second ends 322.

The check lock lever 64 that as shown in Figure 8, this retaining mechanism 60 comprises bearing 61 on the carriage 14 that is installed on the cutter holder assembly 10, can be arranged on handle 63 on second support arm 32 around pivot 62, extend along the longitudinal axis X direction with being rotated counterclockwise and be arranged on handle 63 and check lock lever 64 between connecting rod 65.Wherein pass through rotary handle 63, can be so that check lock lever 64 can and have two positions along its longitudinal axis X direction of principal axis slip, in primary importance; Check lock lever 64 closely contacts with bearing 61; Thereby

cutter holder assembly

10 and 32 rotations of second support arm connect, and owing to use bearing 61, help like this at cutter holder assembly 10 in threaded guide rod 2 upper and lower mobile processes; Second support arm 32 can pivot with respect to cutter holder assembly 10, thereby has avoided stuck situation between the two; In the second place, check lock lever 64 disengagings cooperate with bearing 61, thereby the cutter holder assembly 10 and second support arm 32 disengage.

Connecting rod 65 is used for connecting handle 63 and check lock lever 64, and it has regular length, and is processed by the flaky material of bending, and it has first end 651 with handle 63 pivotal connections, with second end 652 that is connected with check lock lever 64 pivots.

When being rotated counterclockwise handle 63 (shown in the H direction among Fig. 9), make it center on pivot 62 rotations, as shown in Figure 9; Because handle 63 rotations; First end 651 that connecting rod 65 above that is set also rotates up around pivot 62, thereby makes check lock lever 64 slide to the outside of second support arm 32 along X-direction, so makes check lock lever 64 break away from and the cooperating of bearing 61; Shown in figure 11, thus make that cutter holder assembly 10 can be around 41 rotations of first pivot; When the handle 63 that turns clockwise (shown in the H ' direction among Fig. 8), when making it center on pivot 62 rotations, because handle 63 rotations; First end 651 that is provided with above that also is rotated down around pivot 62; Thereby make check lock lever 64 along the inner slide of X-direction second support arm 32, so make check lock lever 64 closely contact, thereby cutter holder assembly 10 and 32 rotations of second support arm connect with bearing 61; And owing to use bearing 61; Help like this at cutter holder assembly 10 in threaded guide rod 2 upper and lower mobile processes, second support arm 32 can pivot with respect to cutter holder assembly 10, thereby has avoided stuck situation between the two.

Cutter holder assembly 10 can be movable, shown in figure 10 between two states around first pivot 41 through bearing 54, and the carriage 14 of this cutter holder assembly 10 has bottom surface 102 that planing tool 121 (not shown) are housed and the last end face 101 that is oppositely arranged.At first state, the distance between last end face 101 and the base 1 is greater than the distance between bottom surface 102 and the base 1, the planing tool workpiece of planing; At second state; Shown in figure 12, the distance between last end face 101 and the base 1 is less than the distance between bottom surface 102 and the base 1, and so planing tool 121 is exposed to the outside fully; So; The operator has very big operating space when maintenance or replacing blade, make the operator repair or replace very convenient, safety to planing tool.

Certainly, as shown in Figure 3, between second support arm 32 and back support arm 332, be provided with retaining mechanism (not shown); Make second support arm 32 to disengage with back support arm 332; Thereby make this cutter holder assembly 10 also can turn to the front side of planer around first pivot 41 through bearing 54, same, planing tool 121 can be exposed to the outside fully; So; The operator has very big operating space when maintenance or replacing blade, make the operator repair or replace very convenient, safety to planing tool.

Hence one can see that, and cutter holder assembly 10 is connected with jockey 30 pivotly, when cutter holder assembly 10 disengagements cooperate with one of them support arm, just can these cutter holder assembly 10 upsets be keeped in repair with the handled easily person.Certainly, here the concrete structure of jockey 30 can also other form.

Shown in figure 12; Because cutter holder assembly 10 is when throwing off with the cooperating of second support arm 32; It can turn around first pivot 41 through bearing 54, makes planing tool 121 be exposed to the outside, if at this moment touch switch 119 because of carelessness; With abnormally dangerous, so between the cutter holder assembly 10 and second support arm 32, be provided with safe locking device 70.

Like Figure 10 and shown in Figure 12; Safe locking device 70 comprises socket 71 and the selectable power line that connects with it 72; Wherein socket 71 is arranged on control panel 142; And connect with switch 119 through the electric wire (not shown), an end of power line 72 is provided with this socket 71 can select the plug 73 that connects, and the other end is provided with the power-line plug (not shown) matched with external power supply.Power line 72 connects all the time in the accepting groove that second support arm 32 is provided with, and unnecessary power line 72 can be stored on the support arm of back in 332 the storage area 335.

Through this set, cooperate with second support arm 32 in cutter holder assembly 10 disengagements, before its upset; As shown in Figure 6; The rotary handle 524 that at first pivots out makes cutter holder assembly 10 be moved upwards up to the extreme higher position along threaded guide rod 2, like Fig. 7 and shown in Figure 10; Then rotary handle 524 is pivoted to stowed position (can certainly not preserve), then plug 73 is unpluged from socket 71; So, shown in figure 11, this cutter holder assembly 10 can freely pivot around first pivot 41; Up to cutter holder assembly 10 is turned, make planing tool 121 be exposed to the outside fully.Certainly, can stop at an arbitrary position as required and fixing, also can keep in repair planing tool.Shown in figure 12, at this moment the upper surface 101 of cutter holder assembly 10 contacts with base 1, and planing tool 121 is exposed to the outside fully, though starting switch at this moment because plug 73 unplugs from socket 71, thus motor will can not move, as safe as a house.

So, the operator has very big operating space in maintenance or when changing planing tool 121, makes the operator keep in repair planing tool 121 or very convenient, simultaneously also as safe as a house more the time.

Have only when cutter holder assembly 10 cooperates with second support arm 32, and when being inserted into plug 73 in the socket 71, starting switch 119, motor just can move.

This planer 100 also has ploughing depth indicating device 80.

Like Fig. 2 and shown in Figure 13, connecting rod 84 that ploughing depth indicating device 80 comprises indication seat 81 on the carriage 14 that is fixed on cutter holder assembly 10, can connect workpiece contact 83 on indication seat 81 rotatably around pivot 82, connect with workpiece contact 83 and the bar chi frame 85 that connects with connecting rod 84 and be arranged at transparent display screen 86 and the pointer 87 on the carriage 14.

Bar chi frame 85 and carriage 14 fixing pivot joints, bar chi frame 85 can be arranged on the carriage 14 around pivot 88 through bearing pin 851 rotatably.On this bar chi frame 85, has accepting hole 853.

Connected dial 89 on the scale frame 85, be carved with on the dial 89 with corresponding be the mark that the center of circle is fan-shaped distribution and increases progressively with pivot 88.The operator can observe cooperating of pointer 87 and dial 89 through transparent display screen 89, reads the quantity of material that is excised.

The width of the mark of carving on the dial 89 is along with the more and more narrow on the contrary that increases progressively of mark, and this is that the degree of depth that just need excise is dark more because the village's material amount that can remind the operator to excise like this is many more, and the width that just requires to be cut workpiece is narrow more.In other words, workpiece is wide more, and the quantity of material that just needs the prompting operator at every turn to cut away is less, and the degree of depth that just need excise can not be too dark, if cutting output is too big, the person changes will to cause the planer.

Indication seat 81 is fixedly installed on the carriage 14 through screw, and itself and carriage 14 have formed the 4th installing hole 146 (as shown in Figure 2) jointly.

Workpiece contact 83 can be rotatably set on the indication seat 81 around the axis 82 of basic horizontal, and this workpiece contact 83 is to be processed by the flaky material of bending, and has the end 831 that is used for direct contact workpiece.And workpiece contact 83 roughly middle be provided with two protrudingly 832, on this convexity 832, have accepting hole 833.

Connecting rod 84 is made up of two side levers 841 and the connecting rod 842 that connects two side levers 841, and the two ends of each side lever 841 are respectively equipped with through hole 843,844, are used for accommodating respectively bearing pin 845,846.One end of connecting rod 84 is fastened on the outside of scale frame 85 through two side levers 841, and bearing pin 845 passes the accepting hole 853 on through hole 843 and the scale frame 85 on two side levers 841 simultaneously, makes an end of connecting rod 84 through this bearing pin 845 and scale frame 85 pivotal connections.The other end of connecting rod 84 passes the through hole 811 on the indication seat 81; And be fastened between two protruding 832 through two side levers 841; Bearing pin 846 passes the accepting hole 833 on the through hole 844 and two protruding 832 on two side levers 841 simultaneously, makes the other end of connecting rod 84 be connected with workpiece contact 83 through this bearing pin 846.

Transparent display screen 86 and pointer 87 are installed in the front side of carriage 14 in a fixed manner.

When needs planing workpiece, at first workpiece is entered into planer 100 by workpiece hole 7, carry out tool setting; At this moment at first rotate rotary handle 524, cutter holder assembly 10 is moved down along threaded guide rod 2, do not touch at workpiece before the end 831 of workpiece contact 83; The sensing of pointer 87 is zero degrees of scale; When cutter holder assembly 10 continues to descend, begin to touch the surface of workpiece and center on pivot 82 rotations until the end 831 of workpiece contact 83, thereby connecting rod 84 is moved upward; Connecting rod 84 also drives scale frame 85 around pivot 88 rotations; Up squint thereby drive dial 89, the scale that makes pointer 89 point to constantly increases progressively, the quantity of material that is being cut away when just also just representing workpiece to pass workpiece hole 7.So, the operator learns from this ploughing depth indicating device 80, the degree of depth that workpiece will be cut away, thus remind the operator to select suitable cutting output.Simultaneously, the operator also can be through the thickness of the desired workpiece of the position indication of pointer 59 on cutting-in scale 57.

Certainly, know like those skilled in the art, dial 89 can be installed on the carriage 14 in a fixed manner, and pointer 89 can be installed on the scale frame 85 and can indicate the degree of depth that workpiece is excised too.

The length of workpiece contact 83 is long as much as possible; Thereby make it can both play effect to the workpiece that inserts Anywhere along workpiece hole 7; And because the surface of some workpiece is very unsmooth; If so the length of workpiece contact 83 enough claim, just can detect the peak of unsmooth workpiece, thereby can protect planing tool 121.

Referring to shown in Figure 2, workpiece feed arrangement 13 comprises a charging roller 131 and a discharging roller 132 again.Wherein charging and discharging roller 131,132 includes cylindrical body portion 133, and first terminal 134 and second end 135, and wherein main part 133 is mainly used in conveying workpieces.

Bearing that the passing through of charging roller 131 is provided with on two terminal 134,135 136 is rotatable to be installed in the 5th installing hole 147 of carriage 14, and is positioned at the front side of planing tool 121; Equally, discharging roller 132 is through in rotatable the 6th installing hole 148 that is installed in carriage 14 of the bearing that is provided with on two terminal 134,135 137, and is positioned at the rear side of planing tool 121.Certainly, like what those skilled in the art knew, also be provided with compression spring (not shown) between this charging and discharging roller 131,134 and the carriage 14, this compression spring is mainly in order to force charging and discharging roller 131,134 to contact with workpiece all the time.

Charging and discharging roller 131,134 makes the speed of rotation equate through synchronous drive mechanism 17, and is driven through drive unit 18 by cutter shaft 123.

Shown in figure 14; Synchronous drive mechanism 17 adopts the sprocket chain strip transmission mechanisms, and this synchronous drive mechanism 17 comprises through rotating shaft and is installed in first sprocket wheel 171 on the drive unit 18, is installed on the charging roller 131 second sprocket wheel 172, is installed in the 3rd sprocket wheel 173 on the discharging roller 132 and is installed in tightener sprocket 174 and the chain 175 on the drive unit 18.Tightener sprocket 174 is installed on the drive unit 18 through rotating shaft is rotatable.Chain 175 is used for and first, second, third sprocket wheel 171,172,173 and tightener sprocket 174 engagements.

Like Figure 14 and shown in Figure 15; Drive unit 18 comprises belt gear 181 and speed-changing gear box 19; Wherein belt gear 181 comprise first belt wheel 182 that is arranged on cutter shaft 123 ends, pivotly be arranged on the jackshaft 185 (shown in figure 15) on the speed-changing gear box 19 and be arranged on this jackshaft second belt wheel 183 and with the belt 184 of first, second belt wheel 182,183 engagements.Shown in figure 15, jackshaft 185 has first end 186 and is arranged on 187 ones at first end 186, the second ends with the second end 187, the second belt wheels 182 and is provided with first gear 188.

Speed-changing gear box 19 is arranged on a side of carriage 14; In order to lower the speed of jackshaft 185 rotation inputs; And produce two kinds of different speed, thereby make charging and discharging roller 131,132 that two kinds of different output speeds can be arranged in order to driving synchronous drive mechanism 17.Certainly, like what those skilled in the art knew, also multiple different output speed can be set as required.

Shown in figure 15, speed-changing gear box 19 comprises gear box casing 191 and is contained in two-stage gear reduction system and the third-level planetary gear train in this housing 191.

Gear box casing 191 is made up of first housing 192 and second housing 193, and it is fixedly connected through screw.

The two-stage gear reduction system comprises second gear 194 with 188 engagements of first gear, reaches the 3rd gear 195 with 194 engagements of second gear.Second gear 194 and the 3rd gear 195 are respectively through on rotatable first housing 192 that is installed in gear box casing of rotating shaft 196,197.

The third-level planetary gear train comprises that primary planet pinion 24 slows down and secondary planetary gear 25,26 carries out speed change.

First order planetary gearsets 24 comprises the deceleration system of being made up of first planetary gear set 241, first ring gear 242 and first planet carrier 243; First planetary gear set 241 comprises the several rows star-wheel 2411 on the support front end 2431 that is arranged on first planet carrier 243; The first sun gear (not shown) is positioned at central authorities and each first planetary gear, 2411 engagement of some first planetary gears 2411; And the periphery gear of some first planetary gears 2411 and the engagement of first ring gear, 242 internal tooths; And the groove (not shown) of the projection 2421 on first ring gear 242 and first housing 192 engagement, and make both relative fixed, and first sun gear and the 3rd gear 195 connect together.

The back-end support 2432 of first planet carrier has protruded out second sun gear 254 and the 3rd sun gear 264.Second sun gear, 254 numbers of teeth are more than the number of teeth of the 3rd sun gear 264.

Second planetary gearsets 25 is made up of second planetary gear set 251, second ring gear 252 and second planet carrier 253; Second planetary gear set 251 comprises the several rows star-wheel 2511 of the support that is arranged on second planet carrier 253; Second sun gear 254 is positioned at central authorities and each second planetary gear, 2511 engagement of some second planetary gears 2511; And the engagement of the internal tooth of the periphery gear of some second planetary gears 2511 and second ring gear 252, and the excircle of second ring gear 252 is provided with some projections 2521.

The third line star gear train 26 is made up of the third line star-wheel group 261, the 3rd ring gear 262 and second planet carrier 263; The third line star-wheel group 261 comprises the several rows star-wheel 2611 of the support that is arranged on second planet carrier 263; The 3rd sun gear 264 is positioned at the central authorities and 2611 engagements of each the third line star-wheel of some the third line star-wheels 2611; And the engagement of the internal tooth of the periphery gear of some the third line star-wheels 2611 and the 3rd ring gear 262, and the excircle of the 3rd ring gear 262 is provided with some projections 2621.

Wherein second planet carrier 253 connects with the third line star frame 263 and is in the same place, and has support 27, and this support 27 is through bearing pin 271 rotatable being arranged in second housing 193.First sprocket wheel 171 fixedly connects with this bearing pin 271, is transferred to charging and discharging roller 131,134 in order to the power that motor is spread out of through this speed-changing gear box 19.

Like Figure 14 and shown in Figure 15; Tensioner sprocket wheel 174 is fixedly connected with fixed head 1743; And this fixed head 1743 is arranged on second housing 193 through clamp-screw 1741 and torsion spring 1742, and because an end of torsion spring 1742 is installed on the clamp-screw 1741, the other end then is installed on the fixed head 1743; The torsion that this torsion spring 1742 produces passes to tensioner sprocket wheel 174 through fixed head 1743, makes tensioner sprocket wheel 174 all the time towards the direction of tensioner chain 175.

Second ring gear 252 and the 3rd ring gear 253 make second planetary gear set 25 or the third line star-wheel group 26 have selection in running order selectively by stop.

During the motor operation, motor shaft 112 drives cutter shaft 123 rotations, makes planing tool 121 in order to the planing workpiece; Cutter shaft 123 turns round in first ring gear 242 through belt gear 181 and two-stage gear reduction rear drive first sun gear simultaneously, and so the rotating speed of cutter shaft 123 outputs slows down the back by 243 outputs of first planet carrier through two-stage gear reduction and primary planet pinion group 24.Because having, second planetary gearsets 25 or the third line star gear train 26 select to be in deceleration regime; So speed-changing gear box 19 can provide two kinds of different speed to tooth transmission mechanism 17, thereby makes charging and discharging roller 131,134 that the speed of two kinds of different conveying workpieces can be arranged.

Gear 28 is used for control gear gearbox 19, makes transmission speed be in low or first gear and top gear respectively.

Shown in figure 15; Gear 28 comprises gear change hand lever 281; Be used to support the support member 282 of gear change hand lever 281; Be arranged on keeper 286 on the support member 282, and selectable first, second locating slot 287,288 that cooperates with this keeper 286, and be fixedly connected and can be pivoted on the rotating shaft 283 on gearbox first housing 192, reach first, second poke rod 284,285 that cooperates with second, third ring gear 252,262 with this support member 282.

Wherein gear change hand lever 281 is contained in the accepting groove 2821 of support member 282, thereby makes gear change hand lever 281 and support member 282 connect together.As shown in Figure 1, gear change hand lever 281 passes the groove 1421 on the control panel 142, thus handled easily person operation.And the mark of the high, low speed gear of the person that on control panel 142, also indicates handled easily identification.

Also be provided with the accepting groove 2822 of accommodating keeper 286 on the support member 282, in the present embodiment, this keeper 286 is steel balls, and this steel ball 286 can protrude this accepting groove 2822 but do not break away from this accepting groove 2822.In this accepting groove 2822, also be provided with the spring (not shown), this spring 2822 is used to compress steel ball 286, makes steel ball 286 all the time towards the direction in the outside of support member 282, just all the time towards the direction that cooperates with first, second locating slot 287,288.

First, second locating slot 287,288 is arranged on first housing 192, is used for cooperating with steel ball 286.

First, second poke rod 284,285 is arranged in the rotating shaft 283 pivotly, and it connects through torsion spring 289 each other, and remains certain angle.

Fixing first, second pin 290,291 that is provided with in the rotating shaft 283; First poke rod 284 is provided with the groove 294 that is formed by first, second contact-making surface 292,293 and a bottom surface; First pin 290 can slide in this groove 294; And selectablely contact with first, second contact-making surface 292,293; Follow rotating shaft 283 when turning clockwise (shown in the F direction among Figure 15) when first pin 290, first pin 290 contacts with first contact-making surface 292, turns clockwise together thereby rotating shaft 283 just can drive first poke rod 284; When first pin 290 is rotated counterclockwise with rotating shaft (opposite direction shown in the F direction among Figure 15), first pin 290 contacts with second contact-making surface 293, is rotated counterclockwise together thereby rotating shaft 283 just can drive first poke rod 284.

Equally; Second poke rod 285 is provided with the groove 297 that is formed by first, second contact-making surface 295,296 and a bottom surface; Second pin 292 can slide in this groove 297, and selectablely contacts with first, second contact-making surface 295,296, when second pin 292 is followed rotating shaft 283 when turning clockwise (shown in the F direction among Figure 15); Second pin 292 contacts with first contact-making surface 295, drives second poke rod 292 and turns clockwise together; When second pin 292 is rotated counterclockwise with rotating shaft 283 (opposite direction shown in the F direction among Figure 15), second pin 292 contacts with second contact-making surface 296, drives second poke rod 292 and is rotated counterclockwise together.

Because first, second poke rod 284,285 remains certain angle, so both can not cooperate with second, third ring gear 252,262 simultaneously.

Like Figure 16 and shown in Figure 17; Because the outer circumference surface of second, third ring gear 252,262 is provided with several equally distributed

projections

2521,2621; So on first poke rod 284, be provided with first draw-in groove 298; Be used for second ring gear on projection 2521 clamping mutually, thereby make that second ring gear 252 can be by stop; Equally, on second poke rod 285, be provided with second draw-in groove 299, be used for the 3rd ring gear 262 on projection 2621 clamping mutually, thereby make that the 3rd ring gear 262 can be by stop.

Gear change hand lever 281 movably is placed in two positions; When primary importance, shown in figure 16, steel ball 286 cooperates (not shown) with first groove 287; This moment first poke rod 284 draw-in groove 298 and second ring gear 252 on projection 2521 clamping mutually; Make second ring gear 252 by stop, such second planetary gearsets 25 is in decelerating operation, makes transmission speed be in top gear.So, make workpiece can pass through planer 100 fast.And at this high speed operation state, the projection 2621 on the draw-in groove 298 of second poke rod 284 and the 3rd ring gear 262 is in a disengaged position always.

Upwards stir gear change hand lever 281; Make it arrive the second place, shown in figure 17, steel ball 286 cooperates (not shown) with second groove 288; This moment second poke rod 285 draw-in groove 299 and the 3rd ring gear 262 on projection 2621 clamping mutually; Make the 3rd ring gear 262 by stop, the third line star gear train 26 is in deceleration regime like this, makes transmission speed be in low or first gear.So, make workpiece at a slow speed through planer 100, it is smooth slowly to be planed in the surface of workpiece, and at this tick-over state, the projection 2521 on the draw-in groove 298 of first poke rod 284 and second ring gear 252 is in a disengaged position always.

Thus, the operator can adjust the transfer rate of charging and discharging roller 131,132 as required.

Again referring to Fig. 2, the anti-unloading device 15 of charging has axle 151, is set in some baffle plates 152 and some pads 153 on the axle 151, and baffle plate and pad are installed on the axle 151 with the mounting means that is provided with a pad 153 between per two baffle plates 152.Axle 151 is fixedly mounted on the carriage 14, and is parallel with cutter shaft 123, and is positioned at the front side of charging roller 131.The lower end of baffle plate 152 has ratchet 154, and 154 on this ratchet allows the direction motion (like G direction in Fig. 2) of workpiece towards planing tool 121.When workpiece got into planer 100, workpiece promoted baffle plate 152 and rotates to the direction of charging, and workpiece can get in the planer 100 smoothly.And the reaction force or the operator that plane when planing tool 121 attempt when the opposite direction of charging (like the opposite direction of the G direction among Fig. 2) promotes workpiece; Workpiece promotes baffle plate 153 and rotates to the opposite direction of charging; Thereby make ratchet 154 block workpiece, make workpiece to withdraw from.Thereby prevent that workpiece is owing to planing tool 121 planing reaction forces or operator's maloperation hurts the operator.

And if the operator need take out workpiece for some reason from planer, just need at first powered-down in the planing process; Planer is quit work, rotate the rotary handle 524 of planer then, cutter holder assembly 10 is moved up along threaded guide rod 2; Like this; The distance of workpiece hole 7 increases, and so, just can easily workpiece be taken out.

Shown in figure 18, dust collect plant 16 comprises protective cover 161, outer wheel hub 162, impeller 163, and the lid 164 that matees with protective cover 161.

Lid 164 is installed on the carriage 14 removably, and it is made up of loam cake 1641 and lower cover 1642.The monosymmetric telescopic projection 1643 (only having shown one of them) that is provided with at lower cover 1642; In the oval-shaped hole of loam cake 1641, be provided with the knob 1644 that connects with projection 1643; And in knob 1644 and lid 164, being provided with the spring (not shown), this spring impels this projection 1643 all the time towards the lateral direction of lower cover 1642.And the handle portion 1645 of the person that on loam cake 1641, also is provided with handled easily operation.

Carriage 14 is provided with the groove 150 (only having shown one of them) that matches with projection 1643, pushes knob 1644 when the interior side direction to loam cake 1641, impels this knob 1644 compression springs; Thereby projection 1643 is moved to the interior side direction of lower cover 1642, at this moment can lid 164 be put in the carriage 14, release button 1644 then; Under the effect of spring; Projection 1643 moves towards the lateral direction of lower cover 1642, thereby cooperates with groove 150, and at this moment lid 164 just is in locking device.Equally; Push knob 1644 when interior side direction, impel this knob 1644 compression springs, projection 1643 is moved to the interior side direction of lower cover 1642 to loam cake 1641; At this moment projection 1643 just breaks away from and the cooperating of groove 150, thereby just can easily lid 164 be taken off through handle portion 1645.

Protective cover 161 comprises a main part 1611 and a control of dust pipeline 1612,

Main part 1611 is defined by pair of sidewalls member 1613 and 1614 of end wall members, forms one similar in appearance to leg-of-mutton shape.Main part 1611 is complementary with the lower cover 1642 of lid 164, forms the cavity of a sealing, and the size of this cavity preferably can cover cutter cave 141 fully.It is local just can to prevent that so chip from entering into electric machine casing 111 grades.

On a side of the side wall member 1613 of main part 1611, be provided with the inlet 1615 that supplies dust to get into.This inlet 1615 is roughly square.

Control of dust pipeline 1612 is the connection pipeline of both ends open, but in other local complete closed.Its opening and main part 1611 through the general square shape that the inlet 1615 that is formed on first end and the front side wall member 1613 is complementary connects, and it connects through circular open and the outer wheel hub 162 that is formed on second end and outer wheel hub 162 and is complementary.

Outer wheel hub 162 is formed by hub body 1,621 half parts of a pair of cooperation, and a spool shape central chamber is defined in its cooperation, and it comprises that one supplies the inlet (not shown) of dust entering and the outlet 1623 that supplies dust to discharge, and second end of this inlet and control of dust pipeline 1612 connects.The concrete structure of this outer wheel hub 162 be industry for knowing, here just do not give unnecessary details one by one.Side at outer wheel hub 162 is provided with draw-in groove 1622, and the outside of electric machine casing 111 is provided with the fixture block 118 that matches.So, outer wheel hub 162 connects through the fixture block 118 on draw-in groove 1622 and the electric machine casing 111, makes outer wheel hub 162 fixed covers be located on the excircle of electric machine casing 111.

The concrete structure of impeller 163 be industry for knowing, here just do not give unnecessary details.This impeller 163 connects on motor shaft 112.

So, work as starter motor, through aspirating behind the inlet on the protective cover 161 1615, the inlet through control of dust pipeline 1612 entering outer wheel hubs 162 enters into dust bag by outlet 1623 to the dust that produces when planer 100 is planed again in the cutter cave.

Shown in figure 18, also be provided with bonnet 165 at the rear side of carriage 14, this bonnet 165 is through bearing pin 1651 rotatable being arranged on the carriage 14.Which is provided with the hole 1653 that the outlet 1623 that supplies outer wheel hub 162 is passed, and the handle portion 1652 of handled easily person operation.

During chip on needing cleaned at regular intervals main part 1611 and planing tool 121; Only need draw back bonnet 165; Push knob 1644 to the interior side direction of loam cake 1641 then, impel this knob 1644 compression springs, projection 1643 is moved to the interior side direction of lower cover 1642; At this moment projection 1643 just breaks away from and the cooperating of groove 150, thereby easily lid 164 is taken off through handle portion 1645.The side wall member 1613 of main part 1611 and end wall members 1614 just are exposed to outside, very convenient cleaning fully with planing tool 121 like this.In addition, when if desired planer simply being keeped in repair or maintaining, also can draw back cover 165 and take off lid 164 after carry out, need first powered-down certainly.

Workpiece 200 often is not once just can plane desirable thickness and desirable planing surface, usually can plane just to reach desirable thickness and desirable planing surface several times.So just need be with workpiece 200 constantly from the front side 3 that the rear side 4 of planer is taken planer, so not only required great effort but also bothered.Shown in figure 19, this planer 100 is provided with the transmitting device 90 that is used for transmitting workpiece 200 on end face 101 on the carriage 14.

Like Fig. 2 and shown in Figure 19, this transmitting device 90 comprises first guide wheel 91 and second guide wheel 92, and wherein first guide wheel 91 fixedly is articulated on the carriage 14, and second guide wheel 92 is articulated on the carriage 14 through connector 93 activities.

First, second guide wheel 91,92 comprises cylindrical body portion 94, and its main part 94 is mainly used in conveying workpieces 200.

Like Figure 14 and shown in Figure 19, on carriage 14, be provided with boss 155, this boss 155 is provided with accepting hole 156, the first guide wheels 91 rotatable being arranged in this accepting hole 156.

Like Figure 14 and shown in Figure 19, on carriage 14, be provided with semicircular boss 157, this boss 157 is provided with accepting hole 158, and connector 93 fixedly is articulated in this accepting hole 158.

Connector 93 has the main body 931 that is complementary with carriage 14, and is as shown in Figure 2, on main body 931, is provided with the recess 932 and protruding 933 that contacts with carriage 14.As shown in Figure 1; Second guide wheel 92 is in the memory location, and the recess 932 of connector 93 contacts with carriage 14, and at this moment first guide wheel 91 and second guide wheel 92 are on the same horizontal plane; Certainly in this position, this transmitting device 90 can be used for transfer ratio than short workpiece; Shown in figure 19, second guide wheel 9 is in the operating position, and the convexity 932 of connector 93 contacts with carriage 14.At this moment first guide wheel 91 and second guide wheel 92 also are maintained at the same horizontal plane, and in this position, this transmitting device 90 can be used for transmitting long workpiece.

Shown in figure 20; Be the second embodiment of the present invention; Wherein identical with first embodiment parts adopt identical label; Different is: second support arm 32 in the jockey 30 substitutes with support bar of support column 33 usefulness in the present embodiment, can realize creating conception of the present invention equally.

Shown in figure 20, jockey 30a is arranged between cutter holder assembly 10a and the base 1a, is used for supporting cutter holder assembly 10a it can be moved along threaded guide rod 2a is upper and lower, thereby can realize that planing tool 121a regulates with respect to the height of base 1a.Wherein this threaded guide rod 2a can pivot with respect to forward and backward side 3a, the 4a of base 1a.

This jockey 30a comprises the first support arm 31a and the second support arm 32a that is connected with base 1a pivot respectively.Wherein the first support arm 31a is through the second pivot 42a and the fixing pivot joint of base 1a; The second support arm 32a is through the 3rd pivot 43a and the fixing pivot joint of base 1a.The wherein second pivot 42a and the coaxial setting of the 3rd pivot 43a.And this second pivot 42a and the 3rd pivot 43a are fixing with respect to base 1a.

The first support arm 31a is through the first pivot 41a and the movable pivot joint of cutter holder assembly 10a; The second support arm 32a is through the movable pivot joint of the 4th pivot 44a and cutter holder assembly 10a, and this first pivot 41a and the 4th pivot 44a are movable with respect to base 1a.

So, cutter holder assembly 10a has formed a three-link mechanism with the first support arm 31a, the second support arm 32a.Wherein the first pivot 41a between the cutter holder assembly 10a and the first support arm 31a is arranged on the threaded guide rod 2a movably, moves along threaded guide rod 2a is upper and lower thereby drive cutter holder assembly 10a, realizes that planing tool 121a regulates with respect to the height of base 1a.

For the quality that guarantees to plane, need guarantee that is to say the plane at planing tool 121a place is parallel with base 1a all the time.

And parallel with base 1a all the time for the plane that guarantees planing tool 121a place, only need to guarantee line and level or the constant angle of vertical direction maintenance between two pivotal axis on the cutter holder assembly 10a.So in the present embodiment; Cutter holder assembly 10a promptly can pass through the 4th pivot 44a and the second support arm 32a pivotal connection; Can also slide with respect to the second support arm 32a; Thereby (the first pivot 41a and the 4th pivot line and the base between a) has a constant angle β, thereby the plane that guarantees planing tool 121a place is parallel with base 1a all the time, has improved the quality of planing to guarantee two pivotal axis on the cutter holder assembly 10a.

And in order to keep in repair or change the convenience of planing tool; Between the second support arm 32a and cutter holder assembly 10a, be provided with retaining mechanism (with retaining mechanism 60 among first embodiment); Make the second support arm 32a to disengage, thereby make this cutter holder assembly 10 also can turn to the front side of planer around the first pivot 41a with cutter holder assembly 10a.So, planing tool 121a can be exposed to the outside fully, and the operator has very big operating space when maintenance or replacing blade, make the operator repair or replace very convenient, safety to planing tool.

Shown in figure 21, be the third embodiment of the present invention, wherein identical with first embodiment parts adopt identical label.

Shown in figure 21, jockey 30b is arranged between cutter holder assembly 10b and the base 1b in the present embodiment, is used for supporting cutter holder assembly 10b it can be moved along threaded guide rod 2b is upper and lower, thereby can realize that planing tool 121b regulates with respect to the height of base 1b.Wherein this threaded guide rod 2b can pivot with respect to forward and backward side 3b, the 4b of base 1b.

This jockey 30b comprises the support column 33b that is fixedly connected with base 1b, and the first support arm 31b and the second support arm 32b that pivot and be connected with this support column 33b respectively.Wherein support column 33b and base 1b laterally arrange, and the first support arm 31b is through the second pivot 42a and the fixing pivot joint of support column 33b; The second support arm 32b that is to say that through the 3rd pivot 42a and the fixing pivot joint of support column 33b this second pivot 42a and the 3rd pivot are fixing with respect to base 1a.

The first support arm 3b is through the first pivot 41b and the movable pivot joint of cutter holder assembly 10b; The second support arm 32b is through the movable pivot joint of the 4th pivot 44b and cutter holder assembly 10a, also just speaks frankly this first pivot 41b and the 4th pivot 44b is movable with respect to base 1a.

So, the cutter holder assembly 10b and the first support arm 31b, the second support arm 32b and support column 33b have formed a quadric chain.

Wherein the distance between the first pivot 41b and the second pivot 42b equates with distance between the 3rd pivot 43b and the 4th pivot 44b; Distance between the first pivot 41b and the 4th pivot 44b also equates with distance between the second pivot 42b and the 3rd pivot 43b.So this quadric chain is a parallel four-bar linkage.

Along threaded guide rod 2b in the upper and lower mobile process, threaded guide rod 2b also can be with respect to forward and backward side 3b, the 4b pivoting action of base 1b at cutter holder assembly 10b.Shown in figure 21; Characteristic according to parallel four-bar linkage; Line between line between two pivotal axis on the cutter holder assembly 10b (the first pivot 41b and the 4th pivot 44b) and two pivotal axis on the support arm 33b (the second pivot 42b and the 3rd pivot 43b) remains and is parallel to each other; What then support arm 33b was parallel is arranged on the base 1b; Laterally arrange so remain between line between the axle center of two pivotal axis on the cutter holder assembly 10b (the first pivot 41b and the 4th pivot 44b) and the base 1b; The plane that is to say the planing tool 121b place on the cutter holder assembly 10b is parallel all the time with the workbench (not shown) all the time, thereby has guaranteed planing quality.

And in order to keep in repair or change the convenience of planing tool; Between the second support arm 32b and cutter holder assembly 10b, be provided with retaining mechanism (with retaining mechanism 60 among first embodiment); Make the second support arm 32b to disengage, thereby make this cutter holder assembly 10b also can turn to the front side of planer 3b around the first pivot 41b with cutter holder assembly 10b.So, planing tool 121b can be exposed to the outside fully, and the operator has very big operating space when maintenance or replacing blade, make the operator repair or replace very convenient, safety to planing tool.

Equally, between the second support arm 32b and support column 33b, be provided with retaining mechanism, make the second support arm 32b to disengage, thereby make this cutter holder assembly 10b to turn to the front side of planer 3b around the first pivot 41b with support column 33b.So, planing tool 121b can be exposed to the outside fully, and the operator has very big operating space when maintenance or replacing blade, make the operator repair or replace very convenient, safety to planing tool.

Claims

1. planer, comprise base (1,1a, 1b), with said base (1,1a, the guide rod that 1b) connects (2,2a; 2b), can along said guide rod (2,2a, 2b) upper and lower mobile cutter holder assembly (10,10a, 10b), wherein said cutter holder assembly (10; 10a, 10b) comprise motor and by motor-driven planing tool (121,121a 121b), is characterized in that: said cutter holder assembly (10,10a; 10b) with said base (1,1a, be provided with between 1b) support said cutter holder assembly (10,10a, jockey 10b) (30,30a; 30b), and said cutter holder assembly (10,10a, 10b) (30,30a 30b) connects with said jockey pivotly.

2. planer according to claim 1 is characterized in that: said jockey (30,30a, 30b) comprise first support arm (31,31a; 31b), said first support arm (31,31a, 31b) with said cutter holder assembly (10,10a; 10b) through first pivot (41,41a, 41b) the movable pivot joint, said first support arm (31,31a; 31b) with said base (1,1a, 1b) through second pivot (42,42a, 42b) the fixing pivot joint.

3. planer according to claim 2 is characterized in that: said jockey (30,30a, 30b) further comprise second support arm (32,32a; 32b), said second support arm (32,32a, 32b) with said cutter holder assembly (10,10a; 10b) through the 4th pivot (44,44a, 44b) the movable pivot joint, said second support arm (32,32a; 32b) with said base (1,1a, 1b) through the 3rd pivot (43,43a, 43b) the fixing pivot joint.

4. planer according to claim 3 is characterized in that: said second pivot (42a) and the coaxial setting of said the 3rd pivot (43a).

5. planer according to claim 3 is characterized in that: and said jockey (30,30b) further comprise and said base (1; The support column that 1b) connects (33,33b), said support column (33; 33b) be used to connect second pivot (42,42b) with the 3rd pivot (43,43b).

6. planer according to claim 5 is characterized in that: said cutter holder assembly (10,10b) with said support column (33,33b), and said first support arm (31,31b) with second support arm (32,32b) formed a quadric chain.

7. planer according to claim 6; It is characterized in that: said quadric chain be a parallel four-bar linkage (20,20b), wherein said first pivot (41; 41b) with said second pivot (42; (43,43b) (44, the distance between 44b) equates with said the 4th pivot for distance 42b) and said the 3rd pivot; (41,41b) (44, (42,42b) (43, the distance between 43b) equates said first pivot with said the 3rd pivot for the distance between 44b) and said second pivot with said the 4th pivot.

8. planer according to claim 7; It is characterized in that: said cutter holder assembly (10, and first pivot on 10b) (41,41b) with the 4th pivot (44; Line 44b) and said support column (33; (42,42b) (43, the line between 43b) is parallel with the 3rd pivot for second pivot 33b).

9. planer according to claim 8; It is characterized in that: said support column (33) fixedly connects with said base (1); And second pivot (42) on the said support column (33) and the line between the 3rd pivot (43) and said base (1) have angle, have constant angle between first pivot (41) on the said cutter holder assembly (10) and line between the 4th pivot (44) and the said base (1).

10. planer according to claim 8; It is characterized in that: second pivot (42b) on the said support column (33b) and the line between the 3rd pivot (43b) and said base (1b) laterally arrange, and first pivot (41b) and the line between the 4th pivot (44b) on the said cutter holder assembly (10b) are parallel with said base (1b).

11. planer according to claim 2 is characterized in that: said guide rod (2,2a, 2b) be arranged on pivotly base (1,1a, 1b) on, said first pivot (41,41a, 41b) be arranged on movably said guide rod (2,2a, 2b) on.

12. planer according to claim 11 is characterized in that: be provided with lifting structure (50) between said guide rod (2) and the said cutter holder assembly (10), said lifting structure (50) is used to regulate the height of the said relatively base of said cutter holder assembly (10) (1).

13. planer according to claim 12 is characterized in that: said lifting structure (50) comprises adjusting nut (51) and governor motion (52), and said adjusting nut (51) cooperates with said guide rod (2).

14. planer according to claim 13 is characterized in that: said adjusting nut (51) comprises upper and lower main part (511,512); Be positioned at the intermediate flange (513) between the upper and lower main part (511,512); And extend the internal orifice dimension (514) that passes through adjusting nut (51) fully, and said intermediate flange is provided with worm gear (515), and said internal orifice dimension (514) is provided with the screw thread that cooperates with guide rod (2).

15. planer according to claim 14 is characterized in that: said governor motion (52) comprises the worm screw (521) that cooperates with adjusting nut (51), the handwheel (523) that is connected the connecting axle (522) of worm screw (521) and is arranged on connecting axle (522) one ends.

16. planer according to claim 15 is characterized in that: said governor motion (52) further comprises rotary handle (524), and what said rotary handle (524) was foldable is arranged on the said handwheel (523).

17. planer according to claim 15 is characterized in that: said lifting structure (50) also is provided with gear box casing (53), and said adjusting nut (51) and the worm screw (521) that is meshed with it are contained in the said gear box casing (53).

18. planer according to claim 17; It is characterized in that: said gear box casing (53) is provided with Wushu axle (45) and the 6th pivot (46); First support arm (31) connects through said Wushu axle (45) and gear box casing (53); Said cutter holder assembly (10) connects wherein said the 5th, the 6th pivot (45,46) and the coaxial setting of said first pivot (41) through the 6th pivot (46) and said gear box casing (53).

19. planer according to claim 3 is characterized in that: said cutter holder assembly (10,10a, 10b) (32,32a 32b) pivot to connect dismountable and said second support arm.

20. planer according to claim 6 is characterized in that: (32,32b) (33,33b) pivot connects dismountable and said support column said second support arm.

21. according to claim 19 or 20 described planers, it is characterized in that: (10,10a 10b) has the planing tool of being equipped with (121 to said cutter holder assembly; 121a, bottom surface 121b) (102) and the last end face (101) that is oppositely arranged, said cutter holder assembly (10,10a; 10b) around said first pivot (41,41a, 41b) movable between two states; At first state, and said upward end face (101) and base (1,1a; Distance 1b) greater than said bottom surface (102) and base (1,1a, the distance between 1b); At second state, said go up end face (101) and base (1,1a, the distance between 1b) less than said bottom surface (102) and base (1,1a, the distance between 1b).

22. planer according to claim 19; It is characterized in that: said cutter holder assembly (10; 10a, 10b) with said second support arm (32,32a; Be provided with retaining mechanism (60) 32b), said retaining mechanism (60) comprises the bearing (61) that is installed on the cutter holder assembly (10), is arranged on handle (63) on said second support arm (32), the check lock lever (64) that extends along y direction and the connecting rod (65) that is used to connect handle (63) and check lock lever (64) pivotly.

23. planer according to claim 22; It is characterized in that: through rotary handle (63); Make check lock lever (64) slide and have two positions along its y direction; In primary importance, said check lock lever (64) closely contacts with said bearing (61), and said cutter holder assembly (10) connects with said second support arm (32) rotation; In the second place, said check lock lever (64) disengaging cooperates with said bearing (61), and said cutter holder assembly (10) disengages with said second support arm (32), and said cutter holder assembly (10) can be around said first pivot (41) rotation.

24. planer according to claim 19 is characterized in that: said planer also comprises the switch (119) that is arranged on the cutter holder assembly (10), and is arranged on the safe locking device (70) between cutter holder assembly (10) and second support arm (32).

25. planer according to claim 24; It is characterized in that: said safe locking device (70) comprises the socket (71) that is arranged on the cutter holder assembly (10) and is arranged on the power line (72) on second support arm (32); Wherein said socket (71) is connected with said switch (119) through electric wire; One end of said power line (72) is provided with the plug (73) that connects with said socket (71); When said cutter holder assembly (10) rotated around said first pivot (41), said plug (73) was thrown off with said socket (71).

26. planer according to claim 4; It is characterized in that: said cutter holder assembly (10a) has been formed a three-link mechanism with said first support arm (31a) and said second support arm (32a); Wherein said cutter holder assembly (10a) is slidably disposed on said second support arm (32a), and first pivot (41a) on the said cutter holder assembly (10a) and the line between the 4th pivot (44a) and said base (1a) have constant angle β.