CN1173153A - Hand-held power planer - Google Patents
Hand-held power planer Download PDFInfo
- Publication number
- CN1173153A CN1173153A CN95197377A CN95197377A CN1173153A CN 1173153 A CN1173153 A CN 1173153A CN 95197377 A CN95197377 A CN 95197377A CN 95197377 A CN95197377 A CN 95197377A CN 1173153 A CN1173153 A CN 1173153A
- Authority
- CN
- China
- Prior art keywords
- screw
- held power
- hand
- clamping clip
- screw hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011159 matrix material Substances 0.000 claims description 13
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000013036 cure process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G13/00—Cutter blocks; Other rotary cutting tools
- B27G13/02—Cutter blocks; Other rotary cutting tools in the shape of long arbors, i.e. cylinder cutting blocks
- B27G13/04—Securing the cutters by mechanical clamping means
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Milling, Drilling, And Turning Of Wood (AREA)
- Sawing (AREA)
- Dry Shavers And Clippers (AREA)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
Abstract
In a hand-held power planer (10) with a blade shaft (20) consisting of a base body (32) having at least one flat portion (34) and with a blade (36) that is mounted on the flat portion (34) with a cutting edge (22) protruding beyond the contour of the base body (32) and that is clamped to the base body (32) in a clamping jaw (48) that is secured by a clamping screw (50) to the base body (32), the screw connection between the clamping jaw (48) and the blade shaft (20), and thus the position of the clamping jaw (48), is secured in that the screw holes (52) are rectangular and can be elastically expanded by means of a conical shank (54) of the clamping screw (50).
Description
The present invention relates to a kind of hand-held power planer.
By the known a kind of hand-held power planer of EP0048303, its planing tool is fixed on the cutter shaft with clamp.In this hand-held power planer, planing tool adopts complicated structure assurance position to assemble exactly, but after the planing tool dismounting, the user can not regain original positional precision, or just can reach after the strength that only costs a lot of money.Therefore the planing tool of using blunt is refaced under Undec situation.Only allow in this case to come resharpen,, and thereby no longer have any smear metal processing capacity because blade radially offsets too farly inwards with respect to cutter shaft when stock removal is big by the stock removal of minimum.
After repeatedly refacing, produce the abrasive dust loss of planing tool.Consequently cause bit shaft the vibration uneven and rotation that causes this hand-held tool machine.This vibration is felt under the weather the operator, causes unevenness on the surface that digs, and will make a great effort and could eliminate.
For fear of vibration, all bit shafts the latest when final assembling with the planing tool that assembles be screwed the clamping clip that is connected and carry out balance.If no longer be in its home position in the tool changing first time or the back clamping clip of refacing, just can increase degree of unbalancedness and cause vibration, the weight of hand held power machine is light more, and the infringement that this vibration brings is big more.
In addition, in this known hand-held power planer, clamping clip is subjected to distortion gradually, it reduces with respect to the thrust of planing tool in this case, in addition, pretightning force between pinching screw and the clamping clip is sunk owing to the clamping clip bearing-surface or crooked the forfeiture, because neither one is resilient in the clamping element.
Because the clamping clip fixture is loose, causes the prejudicial vibration of having mentioned when hand-held power planer is worked equally.
The hand-held power planer that has the described feature of claim 1 characteristic by the present invention has following advantage by contrast, that is, adopt inexpensive scheme can adjust planing tool and clamping clip, they can be had all the time be in the home position repeatedly; And, therefore when working, hand-held power planer can not cause vibration.By the obtainable crudy of this hand-held power planer, during its whole of life, keep high-quality constant.The bit shaft bearing load is less, and thereby than hitherto known planing tool is arranged the higher life-span.
Other favourable design of the present invention is provided by dependent claims.
Introduce embodiments of the invention in detail by means of accompanying drawing in the following description.
Fig. 1 represents the side view of hand-held power planer,
Fig. 2 represents the cutter shaft cross section of this hand-held power planer,
Fig. 3 is the cutter shaft vertical view,
Fig. 4 represents the stereogram of bit shaft clamping clip,
Fig. 5 represents the clamping clip vertical view,
Fig. 6 represents to be used for clamping clip is fixed on pinching screw on the cutter shaft,
Fig. 7 represents the screw profile shape enlarged drawing by the pinching screw of Fig. 5,
Fig. 8 represents the clamping clip cross-sectional side, and
Fig. 9 represents the screw hole profile by Fig. 8.
The hand-held power planer of representing with side view in Fig. 1 10 is made of the machine casing 12 with motor housing 14 and handle 16.Electric switch 18 is housed in handle 16.In machine casing 12, can support a cutter shaft 20 rotatably around its axis 19, its blade 22 has been determined a flight circle 24 of representing with chain-dotted line when cutter shaft 20 rotations, this flight circle stretches out as the bottom surface of base plate 26 from the design of hand-held power planer 10, so blade 22 can one of machining ground incision flushes with base plate 26 in the work of extension and goes.Be located at and be used to hole 28 that blade 22 is stretched out in the base plate 26, available pendulum-type protective cover 30 cappings.In case this hand-held power planer 10 is mentioned from workpiece, this protective cover 30 is auto-closing just.Therefore reduced the danger of blade 22 injuries that the operator is rotated.
The cross section of having represented cutter shaft 20 among Fig. 2, a wherein visible matrix 32, its mirror image ground respectively have a face that scabbles 34 that planing tool 36 is housed on opposite side, only intactly represented a wherein side among the figure.Planing tool 36 has been fixed an adjustment part 38 by means of adjusting screw 40 on a side of scabbling face 34.Adjusting screw 40 is screwed in the screwed hole 42 of planing tool 36.
Clamping clip 48 radially is fixed on the matrix 32 by means of pinching screw 50.Pinching screw 50 passes the screw hole 52 of clamping clip 48 with the shank of screw 54 of a taper.The threaded portion of shank of screw 54 is screwed in the screwed hole 56 of matrix 32, and fixes clamping clip 48 and prevent to lose.Relevantly with the screw moment on being applied to pinching screw 50, planing tool 36 is pressed on the matrix 32 reliably by clamping clip 48 positions.
In clamping clip 48 mold pressing have three cup- shaped recess 58,58 ', 58 ", their bottom surface 60,60 ', 60 " respectively are shaped on a screw hole 52,52 ', 52 ", and from top by being placed on the planing tool 36.
By the vertical view of the clamping clip of representing among Fig. 3 shown in Figure 2 48 can see the part, groove 58,58 of matrix 32 ', the blade 22 of 58 ", bottom surface 60,60 ', 60 ", pinching screw 50 and planing tool 36.In addition, chain-dotted line has been represented the contour shape of adjustment part 38 and adjustment screw 40.The cutting plane of view trend in the arrow X-X presentation graphs 2.
The clamping clip of in Fig. 4,5, representing 48 as part clearly show cup- shaped recess 58,58 ', 58 " and bottom surface 60,60 ', 60 " in quadrangle screw hole 52,52 ', 52 ".
Represented the pinching screw 50 as part among Fig. 6, the shank of screw 54 of wherein its taper as can be seen is directly adjacent with screw head 64.
Amplify the details of the cone screw bar 54 of having represented pinching screw 50 among Fig. 7.
The slightly larger in diameter of cone screw bar 54 is in the marginal dimension or the interior circle of quadrangle screw hole 52.When being fastened on clamping clip 48 usefulness screws on the matrix 32, forming interference fit between shank of screw 52 and the screw hole 52 or have a no gap that contacts and cooperate.Therefore, different with the circular screw hole with line contact, this screw hole 52 that the angle arranged is strain slightly radially.So after tool changing, can reach clamping clip 48 location very reliable and that accurately repeat.
First the square screw hole 52 that has assemble sequence number 1 by Fig. 3,4,5 " be foursquare; and by its marginal dimension along approximately littler 0.1 millimeter than the diameter of shank of screw 62 with axis 19 transverse to bit shaft 20, clamping clip 48 is fixed with respect to matrix 32 vertically and tangentially.Having assemble sequence numbers 2 is tetragonal along view direction at second square screw hole 52 of right hand external, parallels to the axis 19 to measure, bigger 0.2 millimeter than the diameter of shank of screw 62, and just with clamping clip 48 along circumferentially and radially fix with respect to bit shaft 20.Has the identical size of the central screw hole 52 of assemble sequence numbers 3 ' have and second screw hole 52, so its effect is consistent equally.
Fig. 8 represents clamping clip 48, its groove 58,58 ', 58 " bottom surface 60,60 ', 60 " slightly upwards arch upward by mold pressing, so they play the monoblock type disc spring, these disc springs guarantee in the pretightning force of finishing assembling back screw.
In Fig. 9, amplify among the local figure corresponding to bottom surface 60 shown in Figure 8 of expression, shown that bottom surface 60 arches upward with respect to the disc spring shape of a tangent line 66.
The disc spring shape arches upward the district by the carburized surface cure process, consequently has big as far as possible elasticity distance and with respect to adjusting screw 40 better sliding capability is arranged.
In one of the present invention embodiment that does not have to represent, remaining screw hole is the same with second screw hole pressing Fig. 8, only is designed to friction tight elongated hole or gapped all around, so clamping clip just radially clamps in the screw hole zone.
Optimal sequence when screw is tightened in the assemble sequence that is marked number 1 to 3 expression.
Do not have among the embodiment of expression in the another kind of figure of the present invention, two of the clamping clip outside screw holes are designed to polygonal especially rectangle slotted hole at least, and their longitudinal axis is arranged to orthogonal.
For function of the present invention, main points are that some contact between shank of screw and the screw hole edge, and in fact this can only realize by the especially tetragonal hole of a kind of polygon that is by the circular trough of interruption repeatedly.
Claims (7)
1. hand-held power planer (10) has a cutter shaft (20), it has at least one matrix that scabbles face (34) (32) by one and constitutes, scabble and be equipped with one on the face and stretch out planing tool (36) outside matrix (32) profile with its blade (22), planing tool is pressed on the matrix (32) with clamping clip (48), clamping clip (48) is fixed together by means of at least one pinching screw (50) and matrix (32), it is characterized by: clamping clip (48) is shaped on a screw hole (52 at least, 52 ', 52 "); screw hole is the diameter less than pinching screw (50) bar (54) in diametric Edge Distance part, and its edge in little Edge Distance district at least can clamped screw (50) expansion.
2. according to the described hand-held power planer of claim 1, it is characterized by: this at least one screw hole (52,52 ', 52 ") are polygonal, especially quadrangle or rectangle are particularly foursquare.
3. according to claim 1 or 2 described hand-held power planers, it is characterized by: the bar (54) of pinching screw (50) is taper.
4. according to claim 1 or 2 described hand-held power planers, it is characterized by: this at least one screw hole (52,52 ', 52 ") be located at cup-shaped recess (58,58 ', 58 ") the bottom surface (60,60 ', in 60 "); And the bottom surface (60,60 ', 60 ") are molded into towards pinching screw (50) head and arch upward in the form of a ring and form a disc spring.
5. be used for clamping clip according to claim 1 hand-held power planer as described in the preamble, it is characterized by: this clamping clip (48) have tetragonal especially rectangle screw hole (52,52 ', 52 "); therefore screw hole can be used for geometrical clamp clencher (48) seamlessly by means of pinching screw (50) expansion.
6. according to the described clamping clip of claim 5, it is characterized by: screw hole (52,52 ', 52 ") be located at cup-shaped recess (58,58 ', 58 ") the bottom surface (60,60 ', in 60 "); wherein; the bottom surface (60,60 ', 60 ") are molded into towards pinching screw (50) head and arch upward in the form of a ring, and respectively form a disc spring, be used for the insurance that screw connects.
7. according to claim 1 hand-held power planer as described in the preamble, it is characterized by: the pinching screw (50) that is used for planing tool (36) has unified spanner width with adjustment screw (40) under the different situation of thread size.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29500774U DE29500774U1 (en) | 1995-01-19 | 1995-01-19 | Hand planer |
| DE29500774.5 | 1995-01-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1173153A true CN1173153A (en) | 1998-02-11 |
| CN1068821C CN1068821C (en) | 2001-07-25 |
Family
ID=8002672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95197377A Expired - Lifetime CN1068821C (en) | 1995-01-19 | 1995-12-06 | Hand-held power planer |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0804320B1 (en) |
| JP (1) | JP3958788B2 (en) |
| CN (1) | CN1068821C (en) |
| DE (2) | DE29500774U1 (en) |
| WO (1) | WO1996022174A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1111459C (en) * | 1998-07-14 | 2003-06-18 | 罗伯特-博希股份公司 | Planer head |
| CN109227823A (en) * | 2018-11-23 | 2019-01-18 | 徐震 | A kind of hand-held electric planer and its application method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29500996U1 (en) * | 1995-01-23 | 1996-05-15 | Robert Bosch Gmbh, 70469 Stuttgart | Adjustment plate for planer knives |
| CN104118020B (en) * | 2014-07-22 | 2017-01-18 | 福建工程学院 | Dual-purpose plane |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR986821A (en) * | 1949-03-22 | 1951-08-06 | Improvements to machines with rotating knives | |
| DE2811669C2 (en) * | 1978-03-17 | 1983-11-17 | Karl M. Reich Maschinenfabrik GmbH, 7440 Nürtingen | Planer head with reversible knives |
| US4382729A (en) * | 1980-10-02 | 1983-05-10 | Black & Decker Inc. | Depth of cut adjustment mechanism for a power planer |
| DE3606830A1 (en) * | 1986-03-03 | 1987-09-10 | Rainer Bachmann | Electric plane |
-
1995
- 1995-01-19 DE DE29500774U patent/DE29500774U1/en not_active Expired - Lifetime
- 1995-12-06 CN CN95197377A patent/CN1068821C/en not_active Expired - Lifetime
- 1995-12-06 JP JP52195396A patent/JP3958788B2/en not_active Expired - Lifetime
- 1995-12-06 DE DE59505396T patent/DE59505396D1/en not_active Expired - Lifetime
- 1995-12-06 WO PCT/DE1995/001729 patent/WO1996022174A1/en active IP Right Grant
- 1995-12-06 EP EP95940134A patent/EP0804320B1/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1111459C (en) * | 1998-07-14 | 2003-06-18 | 罗伯特-博希股份公司 | Planer head |
| CN109227823A (en) * | 2018-11-23 | 2019-01-18 | 徐震 | A kind of hand-held electric planer and its application method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1068821C (en) | 2001-07-25 |
| JPH11502474A (en) | 1999-03-02 |
| EP0804320B1 (en) | 1999-03-17 |
| JP3958788B2 (en) | 2007-08-15 |
| DE59505396D1 (en) | 1999-04-22 |
| WO1996022174A1 (en) | 1996-07-25 |
| DE29500774U1 (en) | 1996-05-23 |
| EP0804320A1 (en) | 1997-11-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20010725 |
|
| EXPY | Termination of patent right or utility model |