CN211221155U - Invisible fastener knife - Google Patents
Invisible fastener knife Download PDFInfo
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- CN211221155U CN211221155U CN201921207800.5U CN201921207800U CN211221155U CN 211221155 U CN211221155 U CN 211221155U CN 201921207800 U CN201921207800 U CN 201921207800U CN 211221155 U CN211221155 U CN 211221155U
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Abstract
The utility model relates to an invisible fastener sword aims at providing one kind and is used for processing plate furniture and can let the invisible fastener sword of plate furniture post assembling, the utility model relates to an invisible fastener sword includes handle of a knife, transition part, cutting part in proper order, wherein: the cutting part is provided with a chip groove, and the outer end part of the cutting part is provided with a first front angle; a first linear relief angle is arranged at the outer end part of the cutting part; a second rake angle is arranged on the inner end part of the cutting part; the cutting machine is characterized in that a second straight-line rear angle is arranged at the inner end part of the cutting part, end tooth angles are arranged on two sides of the outer end part of the cutting part, a left side rear angle is arranged at the left side end of the outer end part of the cutting part, and a first right side rear angle and a second right side rear angle are arranged at the right side end of the outer end part of the cutting part.
Description
Technical Field
The utility model relates to a cutter of panel processing, concretely relates to stealthy fastener sword.
Background
The plate-type furniture has the greatest advantages that the plate-type furniture can be assembled and disassembled at will, the plate-type furniture is basically connected by hardware such as two-in-one hardware, three-in-one hardware and the like, the assembling process of the furniture is complicated and time-consuming, and once the plate-type furniture is assembled incorrectly, the original hole positions are easily damaged, the conditions that gaps appear between the assembled plates, the plate surfaces are damaged and the like are caused, and assembling screws are exposed to the outside after the assembly, so that the surface attractiveness is influenced. And once the quality of the hardware connecting piece which is most important in the combination is not good enough, the bearing capacity, the stability and the quality of the furniture are directly influenced. In order to improve the defect of hardware connecting pieces in the current plate-type furniture, the plate-type furniture is easy and convenient to assemble or disassemble, the assembling time is greatly shortened, and the furniture can still be tightly matched even after being assembled for many times without causing any damage to plates. After the furniture is assembled, the surface of the plate can not see any connecting hole or nail hole, so that the furniture is more attractive. I developed an invisible fastener sword, this cutter can process on panel and form tenon fourth of twelve earthly branches structure draw-in groove, with gang drill punching groove on another matched with panel, invisible connecting piece one end is pushed into tenon fourth of twelve earthly branches draw-in groove, inserts rather than matched with hole groove with another board, realizes the stealthy after the equipment for improve the drawback of original five metals connecting piece.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stealthy fastener sword that is used for processing plate fitment and can let the plate fitment assemble the back.
For realizing the purpose of the utility model, the utility model adopts the following technical scheme: a stealthy fastener sword includes handle of a knife, transition portion, cutting part in proper order, wherein: the cutting part is provided with a chip groove, and the outer end part of the cutting part is provided with a first front angle; a first linear relief angle is arranged at the outer end part of the cutting part; a second rake angle is arranged on the inner end part of the cutting part; the cutting machine is characterized in that a second straight-line rear angle is arranged at the inner end part of the cutting part, end tooth angles are arranged on two sides of the outer end part of the cutting part, a left side rear angle is arranged at the left side end of the outer end part of the cutting part, and a first right side rear angle and a second right side rear angle are arranged at the right side end of the outer end part of the cutting part.
Preferably: the angle of the first front angle is 10 degrees to 18 degrees, the angle of the first linear back angle is 12 degrees to 28 degrees, the angle of the second front angle is 10 degrees to 18 degrees, the angle of the left back angle is 2 degrees to 10 degrees, the angle of the first right back angle is 10 degrees to 20 degrees, and the angle of the second right back angle is 22 degrees to 35 degrees.
Preferably: a sealing ring is arranged on the knife handle; the sealing ring is used for clamping and positioning the cutter, when the cutter is arranged on the engraving machine, the clamping length can be more appropriate only by clamping the chuck against the sealing ring, the cutter cannot be shaken due to too short clamping, the surface finish degree of a workpiece is reduced, and the processing operation cannot be influenced due to too long clamping; in addition, the cutter can be quickly positioned when being replaced, repeated cutter setting is not needed, and the machining efficiency is improved.
Preferably: both sides of the outer end part of the cutting part are provided with end tooth angles, the angle of the first end tooth angle is 1-5 degrees, and the angle of the second end tooth angle is 1-10 degrees; the surface processed by the cutter during slotting, bottom drilling and bottom cleaning is smoother.
Preferably: the handle of a knife, transition part are integrated into one piece design, and handle of a knife, transition part all adopt carbon element structure steel matter to make, guarantee cutter structural strength.
Preferably: the cutting part is made of ultrafine particle hard alloy materials, so that the cutter has enough cutting strength, the processing operation is easier, the service life is longer, and the cutting tool is suitable for processing various plates; the cross section of the cutting part is T-shaped, so that the material loss can be effectively reduced, and the production cost is reduced.
Preferably: the cutting part is fixedly connected with the transition part in a compression welding mode; the welding strength of the cutter and the attractiveness of the cutter can be effectively guaranteed.
Preferably: the handle of a knife is equipped with the recess that is used for placing the sealing washer.
The utility model has the advantages that: the outer end part of the cutting part is provided with a first front angle, the angle of the first front angle is 10-18 degrees, the sharpness and the durability of the cutter are ensured, the resistance of a front cutter face is reduced, and the service life of the cutter is prolonged; the outer end part of the cutting part is provided with a first linear back angle, so that the friction force between the back angle of the cutter and the plate can be effectively reduced, and the temperature of the cutter in the machining process is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a left side view of the outer end portion of the present invention;
fig. 4 is a cross-sectional view of the inner end portion a-a of the present invention;
fig. 5 is a view of the outer end of the present invention in the direction B;
fig. 6 is a C-direction view of the outer end portion of the present invention;
FIG. 7 is a schematic view of the tool holder and transition part of the present invention;
FIG. 8 is a simplified view of the T-shaped alloy bar as a raw material for the cutting portion of the present invention;
FIG. 9 is a schematic view of a invisible connector configuration;
fig. 10 is a schematic view of a machined card slot of the present invention;
fig. 11 is an assembly view of the invisible connector and the card slot.
Detailed Description
The following is further illustrated with reference to the accompanying drawings:
as shown in the attached figures 1-7, the invisible fastener knife of the utility model comprises a knife handle 1, a transition part 3 and a cutting part 4 in sequence, wherein the cutting part 4 is provided with a chip groove 7, a first front angle α is arranged on the outer end part 5 of the cutting part 4, and the cutting partA first linear rear angle β is arranged on the outer end part 5 of the cutting part 4, and a second front angle α is arranged on the inner end part 6 of the cutting part 41A second straight rear angle β 1 is provided on the inner end 6 of the cutting part 4, an end tooth angle is provided on both sides of the outer end 5 of the cutting part 4, a left rear angle η is provided on the left side end of the outer end 5 of the cutting part 4, a first right rear angle theta and a second right rear angle lambda are provided on the right side end of the outer end 5 of the cutting part 4, the angle of the first front angle α is 10-18 deg., the angle of the first straight rear angle β is 12-28 deg., and the angle of the second front angle α is1The angle is 10 degrees to 18 degrees, the angle of the left side back angle η is 2 degrees to 10 degrees, the angle of the first right side back angle theta is 10 degrees to 20 degrees, the angle of the second right side back angle lambda is 22 degrees to 35 degrees, the sealing ring 2 is arranged on the cutter handle 1, two sides of the outer end part 5 of the cutting part 4 are respectively provided with an end tooth angle, the angle gamma of the first end tooth angle is 1 degree to 5 degrees, and the angle gamma of the second end tooth angle is gamma1The angle is 1-10 degrees; the knife handle 1 and the transition part 3 are integrally formed, and the knife handle 1 and the transition part 3 are both made of carbon structural steel; the cutting part 4 is made of ultrafine particle hard alloy materials, and the section of the cutting part 4 is T-shaped; the cutting part 4 is fixedly connected with the transition part 3 in a compression welding mode; the knife handle 1 is provided with a groove for placing a sealing ring.
As shown in the attached drawings 1-7, in embodiment 2, the invisible fastener knife sequentially comprises a knife handle 1, a transition part 3 and a cutting part 4, wherein the cutting part 4 is provided with a chip groove 7, a first front angle α is arranged on an outer end part 5 of the cutting part 4, a first straight line relief angle β is arranged on the outer end part 5 of the cutting part 4, and a second front angle α is arranged on an inner end part 6 of the cutting part 41A second linear rear angle β is arranged on the inner end part 6 of the cutting part 41The cutting tool comprises a cutting part 4, an end tooth angle is arranged on each side of an outer end part 5 of the cutting part 4, a left side rear angle η is arranged on the left side end of the outer end part 5 of the cutting part 4, a first right side rear angle theta and a second right side rear angle lambda are arranged on the right side end of the outer end part 5 of the cutting part 4, the angle of a first front angle α is 15 degrees, the angle of a first linear rear angle β is 22 degrees, and a second front angle α is arranged1Angle 15 deg., left side rear corner η angle 8 deg., first right side rear cornerThe angle theta is 15 degrees, and the angle of the second right back angle lambda is 28 degrees; a sealing ring 2 is arranged on the knife handle 1; both sides of the outer end part 5 of the cutting part 4 are provided with an end tooth angle, the angle gamma of the first end tooth angle is 3 degrees, and the angle gamma of the second end tooth angle is1The angle is 6 degrees; the knife handle 1 and the transition part 3 are integrally formed, and the knife handle 1 and the transition part 3 are both made of carbon structural steel; the cutting part 4 is made of ultrafine particle hard alloy materials, and the section of the cutting part 4 is T-shaped; the cutting part 4 is fixedly connected with the transition part 3 by a compression welding mode.
1-6, the first front corner α is angled at 18 degrees, the first straight rear corner β is angled at 28 degrees, and the second front corner α is angled at 28 degrees1The angle is 18 degrees, the angle of the left side back angle η is 10 degrees, the angle theta of the first right side back angle is 20 degrees, the angle lambda of the second right side back angle is 35 degrees, the angle gamma of the first end tooth angle is 5 degrees, and the angle gamma of the second end tooth angle is gamma1The angle is 10 degrees, and the cutting effect is good.
As shown in fig. 8: the alloy rod of the cutting edge 4 is a T-shaped alloy rod, so that the material loss is reduced, and the production cost is reduced; in order to facilitate the insertion of the alloy rod, a small chamfer is formed at the insertion end, so that the welding is more convenient.
The clamping groove processing technology comprises the following steps: the upper half part of the left wide groove is machined to the required length by the outer end part 5 of the cutting part 4 of the invisible fastener cutter, and then the left end is returned to, the lower half part of the wide groove is cut, and the left wide groove is machined to the total length of the clamping groove by moving to the right.
As shown in fig. 9-11: the mounting process of the clamping groove comprises the following steps: the draw-in groove has adopted the mortise and tenon joint mode of wearing the area, and its half left part wide groove for putting into of stealthy connecting piece, the right half of draw-in groove is big end down's notch, and stealthy connecting piece is put into from the left side to push to the right half of groove, and mortise and tenon joint design mode makes connecting plate material be difficult for taking place relative movement, and stealthy connecting piece closely cooperates with the draw-in groove, can manual movement and can not oneself slide, improves the stability when the equipment or after the equipment.
As shown in fig. 9-11: the assembly process of the invisible connecting piece and the clamping groove comprises the following steps: one end of the invisible connecting piece is arranged in the clamping groove, the other end of the invisible connecting piece is inserted into the two hole sites, and the hole sites are formed by gang drill processing, so that the invisible connecting piece is ensured to be tightly matched with the hole sites. The invisible connecting piece is simultaneously provided with a plurality of chamfered structures, so that the invisible connecting piece is ensured to be easily inserted and not easily pulled out, the connection between the plates is more tight, the gap between the connected plates is reduced, and the attractiveness of the plate furniture is improved.
As shown in fig. 9-11: the disassembly process of the invisible connecting piece and the clamping groove comprises the following steps: stealthy connecting piece need not extract from two hole site ends, only need make stealthy connecting piece the latter half take out from the draw-in groove with panel relative movement, just accomplishes and disassembles the action, for the mode that hardware such as three are equal-class connects, the dismouting is more convenient, moreover to it carry out the dismouting repeatedly and can not lead to the fact the harm to panel, furniture still can closely assemble.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings. The examples will help to understand the invention, but do not limit the content of the invention. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (8)
1. An invisible fastener cutter sequentially comprises a cutter handle (1), a transition part (3) and a cutting part (4), and is characterized in that the cutting part (4) is provided with a chip groove (7), a first front angle (α) is arranged at the outer end part (5) of the cutting part (4), a first straight line back angle (β) is arranged at the outer end part (5) of the cutting part (4), and a second front angle (α) is arranged at the inner end part (6) of the cutting part (4)1) The inner end part (6) of the cutting part (4) is provided with a second straight line back angle (β)1) The cutting machine is characterized in that end tooth angles are arranged on two sides of the outer end portion (5) of the cutting portion (4), a left side rear angle (η) is arranged at the left side end of the outer end portion (5) of the cutting portion (4), and a first right side rear angle (theta) and a second right side rear angle (lambda) are arranged at the right side end of the outer end portion (5) of the cutting portion (4).
2. The invisible fastener knife of claim 1, wherein: the angle of the first front angle (alpha) is 10-18 degrees, the angle of the first straight line back angle (beta) is 12-28 degrees, the angle of the second front angle (alpha 1) is 10-18 degrees, the angle of the left side back angle (eta) is 2-10 degrees, the angle of the first right side back angle (theta) is 10-20 degrees, and the angle of the second right side back angle (lambda) is 22-35 degrees.
3. The invisible fastener knife of claim 1, wherein: the knife handle (1) is provided with a sealing ring (2).
4. The invisible fastener knife of claim 2, wherein: both sides of the outer end part (5) of the cutting part (4) are provided with an end tooth angle, the angle of the first end tooth angle (gamma) is 1-5 degrees, and the angle of the second end tooth angle (gamma) is1) The angle is 1-10 degrees.
5. The invisible fastener knife of claim 3 or 4, wherein: the knife handle (1) and the transition part (3) are designed to be integrally formed, and the knife handle (1) and the transition part (3) are both made of carbon structural steel.
6. The invisible fastener knife of claim 5, wherein: the cutting part (4) is made of ultrafine particle hard alloy materials, and the section of the cutting part (4) is T-shaped.
7. The invisible fastener knife of claim 6, wherein: the cutting part (4) is fixedly connected with the transition part (3) in a compression welding mode.
8. The invisible fastener knife of claim 1, wherein: the knife handle (1) is provided with a groove for placing a sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921207800.5U CN211221155U (en) | 2019-07-29 | 2019-07-29 | Invisible fastener knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921207800.5U CN211221155U (en) | 2019-07-29 | 2019-07-29 | Invisible fastener knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211221155U true CN211221155U (en) | 2020-08-11 |
Family
ID=71919492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921207800.5U Active CN211221155U (en) | 2019-07-29 | 2019-07-29 | Invisible fastener knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211221155U (en) |
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2019
- 2019-07-29 CN CN201921207800.5U patent/CN211221155U/en active Active
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