CN211806711U - Replaceable woodworking machine finger-joint blade device - Google Patents
Replaceable woodworking machine finger-joint blade device Download PDFInfo
- Publication number
- CN211806711U CN211806711U CN201921868275.1U CN201921868275U CN211806711U CN 211806711 U CN211806711 U CN 211806711U CN 201921868275 U CN201921868275 U CN 201921868275U CN 211806711 U CN211806711 U CN 211806711U
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- Prior art keywords
- blade
- finger
- woodworking machine
- blades
- cutter
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- Expired - Fee Related
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- 210000001145 finger joint Anatomy 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 abstract description 12
- 230000008719 thickening Effects 0.000 abstract description 5
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000002023 wood Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Abstract
A replaceable woodworking machine finger blade device comprises a finger blade and a blade set. The woodworking machine finger joint cutter is provided with a thickening part, a plurality of equally-divided blade fixing parts are arranged at the peripheral tangent direction of the thickening part, at least two convex tooth parts are arranged at the upper part and the lower part of each blade fixing part, a cutter seat is concavely arranged on each convex tooth part and used for locking the blade set by screws, at least two cutting edges are arranged on the blade set corresponding to the two convex tooth parts, when the cutting edges are worn, only the screws need to be disassembled to take out and replace a new blade set, and the woodworking machine finger joint cutter is simple and saves cost.
Description
Technical Field
The utility model relates to a removable carpenter machine indicates to connect blade device mainly is applied to the carpenter machine and indicates to connect the technique of removable blade of sword.
Background
Generally, when two timbers are jointed, two corresponding sides of the two timbers are cut into V-shaped jointing parts which are arranged at intervals of a concave part and a convex part, and the two timbers can be jointed and combined with each other by the V-shaped jointing parts which are arranged at intervals of a concave part and a convex part.
Referring to fig. 1, a perspective view of a conventional single-piece finger-joint knife is shown. Fig. 2 is a perspective view of a conventional multi-blade finger-jointed knife. The structure mainly comprises: the finger jointing cutter 40 is approximately circular, two handle welding parts 41 are arranged on two sides of the finger jointing cutter in a protruding mode in the tangential direction, two blades 42 are embedded and welded on the two handle welding parts 41, a through hole 43 penetrates through the center of the finger jointing cutter 40, the finger jointing cutters 40 can be overlapped and locked into a whole to be used for cutting off the jointing edge of wood, and therefore a concave jointing convex part and a convex jointing concave part which are arranged at intervals and are in a sharp V shape are formed.
However, in practical applications, the conventional finger-jointed knife 40 has at least the following two problems and disadvantages to be overcome.
Firstly, the blade 42 of the finger-jointed knife 40 is directly welded and fixed on the welding part 41 of the handle, so when the blade 42 is worn, the whole finger-jointed knife 40 must be discarded, the value of the blade 41 is lower than that of the finger-jointed knife 40, and the blade is quite wasteful in practical use.
Secondly, the thickness of the single finger jointing cutter 40 is thin, when a plurality of finger jointing cutters 40 are overlapped and locked into a whole, the flatness requirement on the top surface and the bottom surface of each finger jointing cutter 40 is very high, otherwise, after the plurality of finger jointing cutters 40 are overlapped, the cutting position of the blade 42 has deviation of high and low inclination, when wood is processed, the matching precision of the pointed V-shaped jointing convex part and the inverted pointed V-shaped jointing concave part is not good, the accuracy when two pieces of wood are jointed is directly influenced, and even the situation that the two pieces of wood cannot be jointed occurs.
SUMMERY OF THE UTILITY MODEL
The utility model discloses people are engaged in manufacturing, the design of relevant product at present, accumulate years's practical experience and thoughts, to the existing problem and the defect of finger joint sword structure that see on the market, actively drop into the spirit of innovation and improvement, the removable carpenter machine finger joint blade device of accomplishing.
The utility model provides a technical means that problem one was used and the efficiency of contrast prior art firstly lie in: the finger-jointed knife of the woodworking machine is provided with a thickened part, a plurality of equally-divided blade fixing parts are arranged at the tangential direction of the periphery of the thickened part, the blade fixing part is at least provided with two convex tooth parts, the concave part of each convex tooth part is provided with a knife holder for locking the blade set by a screw, the blade set is at least provided with two blades corresponding to the two convex tooth parts, when the blades are worn, the screws are only needed to be disassembled to take out and replace a new blade set, and therefore the finger-jointed knife is simple, saves cost, has improvement on efficacy and achieves the purpose.
According to one embodiment of the present invention, the protruding tooth portion has a curved portion and a vertical portion.
According to one embodiment of the present invention, the two or more blades are provided with an engaging portion corresponding to the blade fixing portion for engaging and fixing the blade fixing portion.
According to one embodiment of the present invention, the bottom edge of the tool holder is provided with a dodging groove.
According to one embodiment of the present invention, the finger-joint tool is provided with a chip guide groove corresponding to the blade set.
According to one embodiment of the present invention, two or more blades of the plurality of blade groups are aligned.
According to one embodiment of the present invention, the blade fixing portion of the finger-joint knife is provided with a gap from the top surface, so that two or more blades of the odd number blade set and two or more blades of the even number blade set are disposed in a staggered manner.
The utility model provides a technical means that the second problem was used and contrast prior art's second efficiency lie in: the woodworking machine finger jointing cutter is provided with a thickening part, a plurality of blade fixing parts which are equally divided are arranged at the tangential direction of the periphery of the thickening part, the upper part and the lower part of each blade fixing part are at least provided with two convex tooth parts, each convex tooth part is concavely provided with a cutter seat for locking a blade set by a screw, the blade set is at least provided with two cutting edges corresponding to the two convex tooth parts, when a plurality of finger jointing cutters are superposed, the number of the finger jointing cutters can be at least reduced by more than half, and after the plurality of finger jointing cutters are superposed, the height inclination deviation value of the cutting position of the blade is smaller, so that the precision of processing a concave and a convex interval configuration joint part by two timbers is improved, the two timbers are more accurately jointed, the efficiency is improved, and the second purpose is achieved.
Drawings
Fig. 1 is a conventional perspective view.
Fig. 2 is a perspective view of a conventional assembled structure.
Fig. 3 is a perspective view of a multi-blade finger-jointed knife according to an embodiment of the present invention.
Fig. 4 is a schematic perspective exploded view of a multi-blade finger joint cutter according to an embodiment of the present invention.
Fig. 5 is a perspective exploded view of a single finger-jointed knife according to an embodiment of the present invention.
Fig. 6 is a schematic combined front view of a single-piece finger-jointed knife according to an embodiment of the present invention.
Fig. 7 is a top view cross section assembly of a single blade finger joint cutter according to an embodiment of the present invention.
Fig. 8 is a perspective view of a multi-blade finger joint cutter according to an embodiment of the present invention.
Fig. 9 is a schematic perspective exploded view of a multi-blade finger joint cutter according to an embodiment of the present invention.
Fig. 10 is a schematic combined front view of two multi-blade finger-jointed cutters according to an embodiment of the present invention.
Fig. 11 is a schematic perspective exploded view of a second single-blade finger joint cutter according to an embodiment of the present invention.
Fig. 12 is a schematic combined front view of a two-piece finger joint cutter according to an embodiment of the present invention.
Fig. 13 is a top view cross-sectional assembly of a second single blade finger joint tool according to an embodiment of the present invention.
Fig. 14 is a schematic perspective and partially enlarged view of two pieces of timber joined according to the second embodiment of the present invention.
The reference numbers are as follows:
10 … … … … finger joint knife
11 … … … … thickened portion
12 … … … … blade fixing part
13 … … … … convex tooth part
131 … … … curved part
132 … … … vertical section
14 … … … … knife holder
141 … … … screw hole
142 … … … dodging groove
143 … … … chip guide groove
15 … … … … axle hole
16 … … … … through hole
17 … … … … axle sleeve
20 … … … … blade set
21 … … … … fixed base
22 … … … … fisheye hole
23 … … … … knife edge
24 … … … … fitting part
30 … … … … timber
31 … … … … pointed V-shaped joint convex part
32 … … … … ladder-type engagement recess
33 … … … … pointed V-shaped engaging convex part
34 … … … … inverted V-shaped engagement recess
P … … … … … screw
A … … … … … gap
40 … … … … finger joint knife
41 … … … … blade fixing part
42 … … … … blade
43 … … … … through hole
Detailed Description
In order to facilitate a better understanding of the invention as to its construction and its functional advantages, one embodiment will now be described in detail with reference to the accompanying drawings, in which:
referring to fig. 3 and 4, a three-dimensional assembly and a three-dimensional exploded view of a multi-blade finger joint cutter according to an embodiment of the present invention are shown. Fig. 5 is a schematic perspective exploded view of a single-piece finger-jointed knife according to an embodiment of the present invention. And fig. 6 and 7 are schematic diagrams of a combination of a main view plane and a top view cross section of a single-piece finger-jointed knife according to an embodiment of the present invention. The method comprises the following steps: a finger joint knife 10 and a blade set 20.
The thickness of the finger-jointed cutter 10 is increased, the finger-jointed cutter 10 is provided with a thickened part 11, four equally-divided and symmetrical blade fixing parts 12 are outwards protruded and arranged at the position of the periphery of the thickened part 11 in the direction perpendicular to the tangent line, at least two convex tooth parts 13 are arranged at the upper and lower positions of the blade fixing part 12, each convex tooth part 13 is provided with a bent arc part 131 and a vertical part 132, a straight cutter holder 14 is arranged at the concave position of the vertical part 132, a screw hole 141 is arranged on the plane of the cutter holder 14 and used for locking and fixing the blade group 20 by a screw P, a dodge groove 142 is arranged at the bottom edge of the cutter holder 14, a chip guide groove 143 in the shape of an arc is arranged at the position of the dodge groove 142 of the finger-jointed cutter 10, a shaft hole 15 is arranged at the center of the finger-jointed cutter 10 in a penetrating mode for driving a transmission shaft to jointly combine a plurality of overlapped finger-jointed cutters 10 into a proper processing length.
The blade set 20 is provided with a fixed base 21 corresponding to the holder 14, the fixed base 21 is provided with a fisheye hole 22 corresponding to the screw hole 141 for a screw P to pass through to lock and fix the fixed base 21 to the finger-jointed blade 10, the blade set 20 is provided with two blades 23 corresponding to the two convex tooth parts 13 and protruding outwards, the blades 23 are provided with a tabling part 24 corresponding to the blade fixing part 12 for tabling and fixing to the blade fixing part 12, the four sets of blades 23 are in alignment arrangement and can form a plurality of pointed V-shaped joint convex parts (not shown) when cutting joint edges of two timbers 30, and a plurality of ladder-shaped joint concave parts (not shown) are formed between the joint convex parts.
Fig. 8, 9 and 10 show a schematic view of a three-dimensional assembly, a three-dimensional decomposition and a front view plane assembly of two multi-blade finger joint knives according to an embodiment of the present invention. Fig. 11 is a schematic perspective exploded view of a second single-blade finger joint cutter according to an embodiment of the present invention. And fig. 11 and 12 are schematic diagrams showing a combination of a main view plane and a top view cross section of a two-piece finger joint cutter according to an embodiment of the present invention. The method comprises the following steps: the finger joint cutter 10 and the blade set 20; wherein:
the finger-jointed knife 10 has a gap A between the even number of blade fixing parts 12 and the top surface, so that the odd number blades 23 and the even number blades 23 of the four blade sets 20 are arranged in a staggered manner, when the odd number blades 23 and the even number blades 23 are used as joint edges for cutting two timbers 30, a plurality of pointed V-shaped joint convex parts 33 can be formed, and a plurality of inverted-pointed V-shaped joint concave parts 34 are formed between the joint convex parts 33.
The utility model discloses through what above-mentioned each component structure made up, provide a removable carpenter machine finger joint blade device, in the actual operation application.
Please refer to FIG. 11, which is a schematic view of the present invention in use for replacing worn blades. When the cutting edge 23 of the blade set 20 is worn, the screw P is removed to remove the damaged blade set 20, and then a new blade set 20 is replaced, and the screw P locks and fixes the fixing base 21 of the new blade set 20 to the holder 14 of the finger-jointed knife 10.
Please refer to FIG. 14, which is a schematic view showing the two pieces of timber joined together according to the second embodiment of the present invention. The utility model provides a finger joint sword 10 is equipped with a thickening portion 11 for blade group 20 can set up two or two more cutting edges 23, when the current ten superpositions of sword 40 needs of traditional finger joint sword were locked and are become an organic whole, the utility model discloses a finger joint sword 10 only need five can, when the finger joint sword 10 quantity of superpositions is when healing, to finger joint sword 10 superpositions after, the deviation value of cutting edge 23 cutting position is healing, thereby improves two timber 30 and processes out the joining convex part 33 of sharp V type and the accuracy of the joining concave part 34 of the sharp V type of falling out, makes the joint more accurate.
In conclusion, the utility model provides a removable wood working machine finger joint blade device, process the utility model discloses after the people actually makes the completion and the repeated operation test, the affirmation can reach the utility model discloses anticipated functional benefit is simultaneously again for the at first utility model that does not have the news yet between present mill, has industrial use value, and honestly the utility model discloses a patent practicality and the establishment of progressive are important and more important has been accorded with, according to the regulation of patent law, to the application of intellectual property office's the utility model patent.
Claims (7)
1. A replaceable woodworking machine finger blade apparatus, comprising: a finger joint knife and a blade set; the method is characterized in that:
the finger jointing cutter is provided with a thickened part, a plurality of equally-divided and symmetrical blade fixing parts are outwards extended and arranged at the position perpendicular to the tangential direction of the periphery of the thickened part, two or more than two convex tooth parts are arranged at the upper part and the lower part of each blade fixing part, a cutter holder is arranged in a concave manner on each convex tooth part, and each cutter holder is provided with a screw hole for fixing a blade group by a screw lock;
the blade set is provided with a fixed base corresponding to the cutter holder, the fixed base is provided with a fisheye hole corresponding to the screw hole and used as a screw to penetrate through and lock and fix the fixed base of the blade to the screw hole of the cutter holder, and the blade set is provided with two or more blades corresponding to the convex tooth part in an outward protruding mode.
2. The replaceable woodworking machine finger blade assembly of claim 1, wherein: the convex tooth part is provided with a curved part and a vertical part.
3. The replaceable woodworking machine finger blade assembly of claim 1, wherein: the two or more blades are provided with embedding parts corresponding to the blade fixing parts for embedding and fixing the blades on the blade fixing parts.
4. The replaceable woodworking machine finger blade assembly of claim 1, wherein: the bottom edge of the tool apron is provided with a dodging groove.
5. The replaceable woodworking machine finger blade assembly of claim 1, wherein: the finger jointing cutter is provided with a circular arc chip guide groove corresponding to the blade group.
6. The replaceable woodworking machine finger blade assembly of claim 1, wherein: two or more blades of the plurality of blade sets are arranged in alignment.
7. The replaceable woodworking machine finger blade assembly of claim 1, wherein: a gap is arranged between the even blade fixing part of the finger-joint knife and the top surface, so that two or more blades of the odd blade group and two or more blades of the even blade group are in staggered configuration.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW108214109 | 2019-10-25 | ||
| TW108214109U TWM589631U (en) | 2019-10-25 | 2019-10-25 | Replaceable finger joint blade device of woodworking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211806711U true CN211806711U (en) | 2020-10-30 |
Family
ID=69944507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921868275.1U Expired - Fee Related CN211806711U (en) | 2019-10-25 | 2019-11-01 | Replaceable woodworking machine finger-joint blade device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN211806711U (en) |
| TW (1) | TWM589631U (en) |
-
2019
- 2019-10-25 TW TW108214109U patent/TWM589631U/en not_active IP Right Cessation
- 2019-11-01 CN CN201921868275.1U patent/CN211806711U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TWM589631U (en) | 2020-01-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 |