CN108544664B - Split type chamfering sleeve, assembling method and chamfering drill bit - Google Patents
Split type chamfering sleeve, assembling method and chamfering drill bit Download PDFInfo
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- CN108544664B CN108544664B CN201810339450.1A CN201810339450A CN108544664B CN 108544664 B CN108544664 B CN 108544664B CN 201810339450 A CN201810339450 A CN 201810339450A CN 108544664 B CN108544664 B CN 108544664B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 229910003460 diamond Inorganic materials 0.000 claims description 27
- 239000010432 diamond Substances 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000011521 glass Substances 0.000 abstract description 20
- 230000009191 jumping Effects 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 description 9
- 238000003754 machining Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/003—Multipurpose machines; Equipment therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
- B28D1/146—Tools therefor
Abstract
The invention relates to a split type chamfering sleeve, an assembling method and a chamfering drill bit, wherein the split type chamfering sleeve comprises two or more circular arc-shaped chamfering sheets and a tightening ring, and the two or more circular arc-shaped chamfering sheets form an annular chamfering ring; the chamfering ring is sleeved on the drill rod, the tightening ring is sleeved on the chamfering ring, and the chamfering ring is fastened on the drill rod. Compared with the prior art, the assembly and adjustment operation of the invention are simple and feasible, the fit clearance between the chamfering ring and the drill rod can be reduced by the fastening action of the tightening ring, the jumping of the working surface is reduced, and the precise processing of the shape of the inner chamfer of the processed glass hole and no edge breakage of the inner chamfer are ensured.
Description
Technical Field
The invention relates to the technical field of glass processing, in particular to a split type chamfering sleeve, an assembling method and a chamfering drill bit.
Background
The hole processing of glass generally adopts diamond bit to punch, adopts the chamfer cover to chamfer. The prior art mode is as follows: the combined diamond chamfering drill bit is adopted, a chamfering sleeve of the combined diamond chamfering drill bit is assembled on the outer wall of a drill bit working ring, and drilling and chamfering at two ends of glass are respectively finished at one time in a opposite-beating mode. This approach has the following problems: firstly, the internal diameter of chamfer ring is greater than the external diameter of drill bit, must form a certain amount of clearance with the drill bit, and the chamfer cover working face of assembly on the drill bit can't guarantee axiality and the requirement of beating with the drill bit, appears eccentric work and brings the edge breakage of interior chamfer department. Secondly, the matched interface between the chamfer sleeve and the circumference of the drill bit is a weak link, so that powder dust is mixed with the drill bit, and the phenomenon of slot pulling is very easy to occur, so that the phenomenon of protruding chamfer faces or explosion of inner chamfer positions is caused. Thirdly, the tip sharp angle of the chamfering sleeve is an acute angle, and is influenced by the limitation of the shape, the processing amount and uneven stress, the diamond at the tip is extremely easy to fall off and abrade, and the corner is deformed into a small platform, so that the problems of right angle formation, edge breakage and the like tend to be caused at the inner chamfering position of the glass.
The inner diameter of the diamond work part of the chamfering sleeve in the prior art needs to be tightly matched with the drill collar part of the drill bit as much as possible, and the fastening and positioning part is positioned at the base body part of the chamfering sleeve, so that the positioning reference interference of the two is caused, therefore, the assembly precision between the chamfering sleeve and the drill bit in the prior art cannot ensure the processing quality requirement, the chamfering sleeve can work normally gradually through an assembly running-in process, and in the use process, if the position of the chamfering sleeve needs to be adjusted, the chamfering sleeve needs to work normally gradually.
The method for reducing the concentration of the machining stress of the glass hole (patent number ZL 201610219983.7) provides a method for improving the chamfering quality by enabling the chamfering ring to be smaller than the diameter of a drill bit, but in the prior art, the chamfering ring is in an integral ring shape, cannot pass through from one side of a drill bit drill ring with larger diameter, but can only adapt to the condition that one side of a drill bit connector is smaller than or equal to the inner diameter of the chamfering ring, and can not be assembled when the one side of the drill bit connector is larger than the inner diameter of the chamfering ring. Even so, even if the chamfer ring can pass through from the bit connector side, there is a problem as follows: if the fit clearance between the inner diameter of the chamfering ring and the drill rod of the drill bit is too large, the working surface jumps greatly, and the edge breakage of the inner chamfer of the hole is caused; if the fit clearance between the inner diameter of the chamfer ring and the outer diameter of the drill stem is too small, assembly is difficult and implementation is difficult when the chamfer ring needs to be adjusted.
Disclosure of Invention
The invention aims to provide a split type chamfering sleeve, an assembling method and a chamfering drill bit, and aims to solve the technical problems that: if the fit clearance between the inner diameter of the chamfering ring and the drill rod of the drill bit is too large, the working surface jumps greatly, and the edge breakage of the inner chamfer of the hole is caused; if the fit clearance between the inner diameter of the chamfer ring and the outer diameter of the drill stem is too small, assembly is difficult and implementation is difficult when the chamfer ring needs to be adjusted.
The technical scheme for solving the technical problems is as follows: the split type chamfering sleeve comprises two or more arc-shaped chamfering sheets and a tightening ring, wherein the two or more arc-shaped chamfering sheets form an annular chamfering ring; the chamfering ring is sleeved on the drill rod, the tightening ring is sleeved on the chamfering ring, and the chamfering ring is fastened on the drill rod.
The beneficial effects of the invention are as follows: the assembling and adjusting operation of the split type chamfering sleeve are simple and feasible, the fit clearance between the chamfering ring and the drill rod can be reduced through the fastening action of the tightening ring, the jumping of the working surface is reduced, and the accurate processing of the shape of the inner chamfer of the processed glass hole and no edge breakage of the inner chamfer are ensured.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the chamfering sheet comprises a chamfering sheet substrate and a chamfering sheet working layer positioned at the front end of the chamfering sheet substrate, and the chamfering sheet substrate and the chamfering sheet working layer are fixedly connected through sintering; the chamfering sheet base of two or more chamfering sheets constitutes an annular chamfering ring base, and the chamfering sheet working layer of two or more chamfering sheets constitutes an annular diamond working layer.
The beneficial effects of adopting the further scheme are as follows: the chamfer ring matrix that two or more chamfer piece matrixes formed through the hooping action of the hooping ring promotes joint strength, and two or more chamfer piece working layers can ensure the accuracy of the chamfer shape in the processed glass hole through the hooping action of the hooping ring.
Further, the inner diameter of the diamond working layer is larger than or equal to the inner diameter of the chamfering ring matrix.
Further, one end, far away from the chamfer working layer, of each chamfer base body is provided with an axial arc surface, the axial arc surfaces on two or more chamfer plates form an annular axial positioning surface C, one end of the tightening ring is provided with an annular axial positioning surface D, and the axial positioning surfaces C and the axial positioning surfaces D are attached; the chamfer ring passes through the axial locating surface C and the axial locating surface D through the locking bolt and is fixedly connected with the tightening ring.
The beneficial effects of adopting the further scheme are as follows: through laminating mutually of axial locating surface C and axial locating surface D, can ensure that the chamfer piece working layer of two or more chamfer pieces is in same axial position, axiality precision is high, beat little for the chamfer ring carries out fine processing with the cooperation of drilling rod high accuracy, ensures glass machining precision.
Further, an opening is formed in one side of the tightening ring, a tightening screw is arranged at the opening of the tightening ring, the tightening screw is connected with two end parts of the opening of the tightening ring, and the opening of the tightening ring is locked.
The beneficial effects of adopting the further scheme are as follows: the fit clearance between the chamfering ring and the drill rod is reduced, the jumping of the working surface is reduced, and the accurate processing of the shape of the inner chamfer of the processed glass hole and no edge breakage of the inner chamfer are ensured.
The other technical scheme for solving the technical problems is as follows: the chamfering drill bit comprises the split chamfering sleeve and a drill bit body, wherein the split chamfering sleeve is detachably sleeved on the end part of the front side of the drill bit body.
The beneficial effects of the invention are as follows: the split type chamfering sleeve is sleeved on the drill rod of the drill bit body, so that the chamfering drill bit is simple and easy to assemble and adjust, the fit clearance between the split type chamfering sleeve and the drill bit body can be reduced, the jumping of a working face is reduced, and the accurate processing of the shape of the inner chamfer of a processed glass hole and no edge breakage of the inner chamfer are ensured.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the drill bit body comprises a joint end part, a drill rod and a working ring, and the joint end part, the drill rod and the working ring are sequentially and fixedly connected; the split type chamfering sleeve is detachably sleeved on the drill rod and is close to the working ring.
The beneficial effects of adopting the further scheme are as follows: the tip part of the diamond working layer is not subjected to chamfering processing, and the problem of deformation of the tip part of the diamond working layer is relieved, so that the position adjusting frequency and the replacing times of a chamfering ring in the processing process are greatly reduced, and the work efficiency is greatly improved.
Further, the inner diameter of the matrix of the chamfering ring is equal to the outer diameter of the drill rod, and the chamfering ring is connected with the drill rod in a matching mode.
The beneficial effects of adopting the further scheme are as follows: the fit clearance between the chamfering ring and the drill rod is reduced, the jumping of the diamond working layer and the working ring is reduced, and the accurate processing of the shape of the inner chamfer of the processed glass hole and no edge breakage of the inner chamfer are ensured.
Further, the outer diameter of the drill rod is smaller than the outer diameter of the working ring; an annular water outlet is arranged between the front end of the chamfering ring and the rear end of the working ring, a water outlet channel for discharging cooling water is arranged in the drill rod, and the water outlet channel is communicated with the annular water outlet.
The beneficial effects of adopting the further scheme are as follows: and cooling water is output to the annular water outlet through the water outlet channel, so that the cooling water acts on the working ring of the split chamfer sleeve, cooling is implemented, and the cooling efficiency and comprehensiveness are improved.
The other technical scheme for solving the technical problems is as follows: the assembling method of the split type chamfer sleeve comprises the following steps:
attaching two or more arc-shaped chamfering sheets to the drill rod, and sequentially attaching the two or more arc-shaped chamfering sheets to form an annular chamfering ring;
sleeving a tightening ring on the chamfering ring, enabling an axial positioning surface D on the tightening ring to be attached to an axial positioning surface C on the chamfering ring, and fixedly connecting the tightening ring with the chamfering ring through a locking bolt;
moving the chamfering ring to form an annular water outlet between the diamond working layer of the chamfering ring and the working ring of the drill bit;
tightening the tightening screw on the tightening ring, tightening the chamfering ring by the tightening ring on the drill rod of the chamfering drill bit, and completing the assembly of the split chamfering sleeve.
The beneficial effects of adopting the further scheme are as follows: the assembling and adjusting operation of the split type chamfering sleeve are simple and feasible, the fit clearance between the chamfering ring and the drill rod can be reduced through the fastening action of the tightening ring, the jumping of the working surface is reduced, and the accurate processing of the shape of the inner chamfer of the processed glass hole and no edge breakage of the inner chamfer are ensured.
Drawings
FIG. 1 is a schematic view of the split chamfer sleeve of the present invention;
FIG. 2 is an elevation view of a chamfer ring of the present invention;
FIG. 3 is a schematic view of the structure of the chamfer ring of the present invention;
FIG. 4 is a front view of the present invention collar;
FIG. 5 is a cross-sectional view of AA of FIG. 4;
FIG. 6 is a schematic view of the structure of the chamfer drill according to the present invention;
FIG. 7 is an enlarged schematic view of FIG. 6 at A;
fig. 8 is a schematic structural view of a bit body according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a split chamfer sleeve;
1.1 parts of chamfer rings, 1.2 parts of tightening rings, 1.3 parts of locking bolts, 1.4 parts of tightening screws;
1.1.1 chamfer pieces, 1.1.2 chamfer ring matrixes, 1.1.3 and a diamond working layer;
1.1.1.1, a chamfering sheet matrix, 1.1.1.2, a chamfering sheet working layer;
2. a bit body;
2.1, joint end parts, 2.2, drill pipes, 2.3 and a working ring;
2.2.1, an annular water outlet, 2.2.2 and a water outlet channel.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1 and 6, the split chamfer sleeve comprises two or more circular arc chamfer pieces 1.1.1 and a tightening ring 1.2, wherein the two or more circular arc chamfer pieces 1.1.1 form an annular chamfer ring 1.1; the chamfering ring 1.1 is sleeved on the drill rod 2.2, the tightening ring 1.2 is sleeved on the chamfering ring 1.1, and the chamfering ring 1.1 is fastened on the drill rod 2.2.
The tightening ring 1.2 is sleeved on the chamfering ring 1.1, and the chamfering ring 1.1 formed by two or more chamfering sheets 1.1.1 is fastened on the drill rod 2.2, so that the assembling and adjusting operation of the split type chamfering sleeve are simple and feasible, the fit clearance between the chamfering ring 1.1 and the drill rod 2.2 can be reduced through the fastening action of the tightening ring 1.2, the jumping of a working surface is reduced, and the accurate processing of the inner chamfer shape of a processed glass hole and no edge breakage of an inner chamfer are ensured.
In the above embodiment, as shown in fig. 1 to 3, the chamfer piece 1.1.1 includes a chamfer piece base 1.1.1.1 and a chamfer piece working layer 1.1.1.2 at the front end of the chamfer piece base 1.1.1.1, the chamfer piece base 1.1.1.1 and the chamfer piece working layer 1.1.1.2 are fixedly connected by sintering; the chamfer piece base body 1.1.1.1 of the two or more chamfer pieces 1.1.1 forms an annular chamfer ring base body 1.1.2, and the chamfer piece working layer 1.1.1.2 of the two or more chamfer pieces 1.1.1 forms an annular diamond working layer 1.1.3. Wherein the inner diameter of the chamfer ring substrate is 1.1.2 mm; the outer diameter of the diamond working layer 1.1.3 is 16 mm, and the inner diameter is 10.7 mm; the outer diameter of the matched section of the chamfer ring base body 1.1.2 and the tightening ring 1.2 is 20 mm; the inner diameter of the tightening ring 1.2 is 20mm. The chamfering requirement range at the position of the diamond working layer 1.1.3 is less than or equal to 2 multiplied by 45 degrees; the diamond grain diameter of the diamond working layer 1.1.3 is 0.064 mm.
The chamfering ring base body 1.1.2 formed by the tightening effect of the two or more chamfering sheet base bodies 1.1.1.1 through the tightening ring 1.2 improves the connection strength, and the accuracy of the chamfering shape in the processed glass hole can be ensured by the diamond working layer 1.1.3 formed by the tightening effect of the two or more chamfering sheet working layers 1.1.1.2 through the tightening ring 1.2.
In the above embodiment, as shown in fig. 1 and 3, the inner diameter of the diamond working layer 1.1.3 is greater than or equal to the inner diameter of the chamfer ring substrate 1.1.2.
In the above embodiment, as shown in fig. 1 to 5, an axial arc surface is disposed at one end of each chamfer piece substrate 1.1.1.1 away from the chamfer piece working layer 1.1.1.2, the axial arc surfaces on two or more chamfer pieces 1.1.1 form an annular axial positioning surface C, an annular axial positioning surface D is disposed at one end of the tightening ring 1.2, and the axial positioning surface C and the axial positioning surface D are attached to each other; the chamfer ring 1.1 is fixedly connected with the tightening ring 1.2 through the locking bolt 1.3 passing through the axial positioning surface C and the axial positioning surface D.
Through laminating mutually of axial locating surface C and axial locating surface D, can ensure that the chamfer piece working layer 1.1.1.2 of two or more chamfer pieces 1.1.1 is in same axial position, axiality precision is high, beat little for chamfer ring 1.1 and drilling rod 2.2 high accuracy cooperation implement fine processing, guarantee glass machining precision.
In the above embodiment, as shown in fig. 4 and fig. 5, an opening is formed on one side of the tightening ring 1.2, a tightening screw 1.4 is disposed at the opening of the tightening ring 1.2, and the tightening screw 1.4 is connected with two ends of the opening of the tightening ring 1.2 and locks the opening of the tightening ring 1.2; wherein the two ends of the tightening ring 1.2 constitute an opening, as shown in fig. 4.
The opening of the tightening ring 1.2 is locked through the tightening screw 1.4, so that each chamfering piece 1.1.1 is tightened by the tightening ring 1.2, the fit clearance between the chamfering ring 1.1 and the drill rod 2.2 is reduced, the jumping of a working face is reduced, and the accurate processing of the inner chamfering shape of a processed glass hole and no edge breakage of the inner chamfering are ensured.
As shown in fig. 6 and 8, the chamfer drill comprises the split chamfer sleeve 1 and a drill body 2, wherein the split chamfer sleeve 1 is detachably sleeved on the front end of the drill body 2.
The split type chamfering sleeve 1 is sleeved on the drill rod 2.2 of the drill bit body 2, so that the assembly and adjustment operation of the chamfering drill bit are simple and feasible, the fit clearance between the split type chamfering sleeve 1 and the drill bit body 2 is reduced, the jumping of a working face is reduced, and the accurate processing of the shape of the inner chamfer of a processed glass hole and no edge breakage of the inner chamfer are ensured.
In the above embodiment, as shown in fig. 6 and 8, the drill bit body 2 includes a joint end 2.1, a drill rod 2.2 and a working ring 2.3, where the joint end 2.1, the drill rod 2.2 and the working ring 2.3 are sequentially and fixedly connected; the split chamfer sleeve 1 is detachably sleeved on the drill rod 2.2 and is close to the working ring 2.3. Wherein the outer diameter of the working ring 2.3 is set to be 11 mm; the outer diameter of the joint end part 2.1 is 29 mm, and the joint end part 2.1 is of a G1/2 pipe thread structure; the outer diameter of the drill rod 2.2 is 10.6 mm. The joint end part 2.1 is of a threaded structure, a straight shank structure or a taper shank structure; the chamfering requirement range at the position of the diamond working layer 1.1.3 is less than or equal to 2 multiplied by 45 degrees.
The split type chamfering sleeve 1 is detachably sleeved on the drill rod 2.2, so that the tip end part of the diamond working layer 1.1.3 is not subjected to chamfering, the problem of deformation of the tip end part of the diamond working layer 1.1.3 is relieved, the position adjusting frequency and the replacing times of the chamfering ring 1.1 in the machining process are greatly reduced, and the work efficiency is greatly improved.
In the above embodiment, as shown in fig. 6 and 8, the inner diameter of the base body of the chamfering ring 1.1 is equal to the outer diameter of the drill rod 2.2, and is in matching connection with the drill rod 2.2.
The fit clearance between the chamfer ring 1.1 and the drill rod 2.2 can be reduced through the fastening effect of the hooping ring 1.2, the jumping of the diamond working layer 1.1.3 and the working ring 2.3 is reduced, and the accurate processing of the inner chamfer shape of the processed glass hole and no edge breakage of the inner chamfer are ensured.
In the above embodiments, as shown in fig. 6 to 8, the outer diameter of the drill rod 2.2 is smaller than the outer diameter of the working ring 2.3; an annular water outlet 2.2.1 is arranged between the front end of the chamfering ring 1.1 and the rear end of the working ring 2.3, a water outlet channel 2.2.2 for discharging cooling water is arranged in the drill rod 2.2, and the water outlet channel 2.2.2 is communicated with the annular water outlet 2.2.1. Wherein the port width of the annular water outlet 2.2.1 is 0.05 mm.
And cooling water is output to the annular water outlet 2.2.1 through the water outlet channel 2.2.2, so that the cooling water acts on the working ring 2.3 of the split chamfer sleeve 1 to cool, and the cooling efficiency and the comprehensiveness are improved.
The assembling method of the split type chamfer sleeve comprises the following steps:
attaching two or more arc-shaped chamfering sheets 1.1.1 to a drill rod 2.2, and sequentially attaching the two or more arc-shaped chamfering sheets 1.1.1 to form an annular chamfering ring 1.1;
sleeving a tightening ring 1.2 on the chamfer ring 1.1, attaching an axial positioning surface D on the tightening ring 1.2 and an axial positioning surface C on the chamfer ring 1.1, and fixedly connecting the tightening ring 1.2 and the chamfer ring 1.1 through a locking bolt 1.3;
moving the chamfering ring 1.1 to form an annular water outlet 2.2.1 between the diamond working layer 1.1.3 of the chamfering ring 1.1 and the working ring 2.3 of the drill bit;
tightening the tightening screw on the tightening ring 1.2, tightening the chamfering ring 1.1 by the tightening ring 1.2 on the drill rod 2.2 of the chamfering bit, and completing the assembly of the split chamfering sleeve 1.
The tightening ring 1.2 is sleeved on the chamfering ring 1.1, and the chamfering ring 1.1 formed by two or more chamfering sheets 1.1.1 is fastened on the drill rod 2.2, so that the assembling and adjusting operation of the split type chamfering sleeve are simple and feasible, the fit clearance between the chamfering ring 1.1 and the drill rod 2.2 can be reduced through the fastening action of the tightening ring 1.2, the jumping of a working surface is reduced, and the accurate processing of the inner chamfer shape of a processed glass hole and no edge breakage of an inner chamfer are ensured.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. Split type chamfer cover, its characterized in that: comprises two or more circular arc-shaped chamfer pieces (1.1.1) and a tightening ring (1.2), wherein the two or more circular arc-shaped chamfer pieces (1.1.1) form an annular chamfer ring (1.1); the chamfering ring (1.1) is sleeved on the drill rod (2.2), the tightening ring (1.2) is sleeved on the chamfering ring (1.1), and the chamfering ring (1.1) is fastened on the drill rod (2.2);
the chamfering piece (1.1.1) comprises a chamfering piece substrate (1.1.1.1) and a chamfering piece working layer (1.1.1.2) positioned at the front end of the chamfering piece substrate (1.1.1.1), and the chamfering piece substrate (1.1.1.1) and the chamfering piece working layer (1.1.1.2) are fixedly connected through sintering; the chamfer piece base body (1.1.1.1) of two or more chamfer pieces (1.1.1) forms an annular chamfer ring base body (1.1.2), and the chamfer piece working layer (1.1.1.2) of two or more chamfer pieces (1.1.1) forms an annular diamond working layer (1.1.3);
an axial arc surface is arranged at one end, far away from the chamfer working layer (1.1.1.2), of each chamfer base body (1.1.1.1), the axial arc surfaces on two or more chamfer plates (1.1.1) form an annular axial positioning surface C, an annular axial positioning surface D is arranged at one end of the tightening ring (1.2), and the axial positioning surfaces C and the axial positioning surfaces D are attached; the chamfer ring (1.1) is fixedly connected with the tightening ring (1.2) through the locking bolt (1.3) penetrating through the axial positioning surface C and the axial positioning surface D.
2. The split chamfer sleeve of claim 1 wherein: the inner diameter of the diamond working layer (1.1.3) is larger than or equal to the inner diameter of the chamfering ring matrix (1.1.2).
3. The split chamfer sleeve according to any one of claims 1 to 2, wherein: one side of the hooping ring (1.2) is provided with an opening, the opening of the hooping ring (1.2) is provided with a hooping screw (1.4), and the hooping screw (1.4) is connected with two end parts of the opening of the hooping ring (1.2) and locks the opening of the hooping ring (1.2).
4. Chamfering drill bit, its characterized in that: comprising a split chamfer sleeve (1) according to any of claims 1 to 3 and a bit body (2), the split chamfer sleeve (1) being detachably sleeved on the end of the front side of the bit body (2).
5. The chamfer drill bit of claim 4, wherein: the drill bit body (2) comprises a joint end part (2.1), a drill rod (2.2) and a working ring (2.3), wherein the joint end part (2.1), the drill rod (2.2) and the working ring (2.3) are sequentially and fixedly connected; the split type chamfering sleeve (1) is detachably sleeved on the drill rod (2.2) and is close to the working ring (2.3).
6. The chamfer drill bit of claim 5, wherein: the inner diameter of the base body of the chamfering ring (1.1) is equal to the outer diameter of the drill rod (2.2), and is connected with the drill rod (2.2) in a matching way.
7. The chamfer drill bit of claim 5, wherein: the outer diameter of the drill rod (2.2) is smaller than the outer diameter of the working ring (2.3); an annular water outlet (2.2.1) is arranged between the front end of the chamfering ring (1.1) and the rear end of the working ring (2.3), a water outlet channel (2.2.2) for discharging cooling water is arranged in the drill rod (2.2), and the water outlet channel (2.2.2) is communicated with the annular water outlet (2.2.1).
8. A method of assembling a split chamfer sleeve according to any one of claims 1-3, comprising the steps of:
attaching two or more arc-shaped chamfering sheets (1.1.1) to a drill rod (2.2), and sequentially attaching the two or more arc-shaped chamfering sheets (1.1.1) to form an annular chamfering ring (1.1);
sleeving a tightening ring (1.2) on the chamfering ring (1.1), attaching an axial positioning surface D on the tightening ring (1.2) and an axial positioning surface C on the chamfering ring (1.1), and fixedly connecting the tightening ring (1.2) with the chamfering ring (1.1) through a locking bolt (1.3);
moving the chamfering ring (1.1) to form an annular water outlet (2.2.1) between the diamond working layer (1.1.3) of the chamfering ring (1.1) and the working ring (2.3) of the drill bit;
tightening the tightening screw on the tightening ring (1.2), tightening the chamfering ring (1.1) by the tightening ring (1.2) on the drill rod (2.2) of the chamfering drill bit, and completing the assembly of the split chamfering sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810339450.1A CN108544664B (en) | 2018-04-16 | 2018-04-16 | Split type chamfering sleeve, assembling method and chamfering drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810339450.1A CN108544664B (en) | 2018-04-16 | 2018-04-16 | Split type chamfering sleeve, assembling method and chamfering drill bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108544664A CN108544664A (en) | 2018-09-18 |
| CN108544664B true CN108544664B (en) | 2024-03-08 |
Family
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| EP4082719A4 (en) * | 2019-12-27 | 2024-01-24 | Guilin Champion Union Diamond Co Ltd | Spliced chamfering device |
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| JP2006043868A (en) * | 2004-06-28 | 2006-02-16 | Sumitomo Electric Hardmetal Corp | Chamfering tool for drill |
| CN203033886U (en) * | 2013-01-23 | 2013-07-03 | 福耀(福建)巴士玻璃有限公司 | Novel drill bushing |
| CN104308273A (en) * | 2014-10-11 | 2015-01-28 | 苏州蓝王机床工具科技有限公司 | Self-adapting general chamfering device for clamping sliding chute |
| CN104801769A (en) * | 2015-03-30 | 2015-07-29 | 苏州蓝王机床工具科技有限公司 | Taper sleeve positioning/tightening chamferer |
| CN105856429A (en) * | 2016-04-08 | 2016-08-17 | 桂林创源金刚石有限公司 | Method for reducing machining stress concentration of glass hole |
| CN106232933A (en) * | 2014-04-24 | 2016-12-14 | 阿特拉斯·科普柯凿岩设备有限公司 | Chuck for the drill head of rotary rig |
| CN208100773U (en) * | 2018-04-16 | 2018-11-16 | 桂林创源金刚石有限公司 | Split type chamfering sleeve and chmfer bit |
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2018
- 2018-04-16 CN CN201810339450.1A patent/CN108544664B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006043868A (en) * | 2004-06-28 | 2006-02-16 | Sumitomo Electric Hardmetal Corp | Chamfering tool for drill |
| CN203033886U (en) * | 2013-01-23 | 2013-07-03 | 福耀(福建)巴士玻璃有限公司 | Novel drill bushing |
| CN106232933A (en) * | 2014-04-24 | 2016-12-14 | 阿特拉斯·科普柯凿岩设备有限公司 | Chuck for the drill head of rotary rig |
| CN104308273A (en) * | 2014-10-11 | 2015-01-28 | 苏州蓝王机床工具科技有限公司 | Self-adapting general chamfering device for clamping sliding chute |
| CN104801769A (en) * | 2015-03-30 | 2015-07-29 | 苏州蓝王机床工具科技有限公司 | Taper sleeve positioning/tightening chamferer |
| CN105856429A (en) * | 2016-04-08 | 2016-08-17 | 桂林创源金刚石有限公司 | Method for reducing machining stress concentration of glass hole |
| CN208100773U (en) * | 2018-04-16 | 2018-11-16 | 桂林创源金刚石有限公司 | Split type chamfering sleeve and chmfer bit |
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| CN108544664A (en) | 2018-09-18 |
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