CN214602307U - Adjustable chamfering tool - Google Patents
Adjustable chamfering tool Download PDFInfo
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- CN214602307U CN214602307U CN202120438139.XU CN202120438139U CN214602307U CN 214602307 U CN214602307 U CN 214602307U CN 202120438139 U CN202120438139 U CN 202120438139U CN 214602307 U CN214602307 U CN 214602307U
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Abstract
The utility model discloses an adjustable chamfer cutter, including handle of a knife, knife rest, first outer blade, first inner blade, second inner blade, the outer blade of second, first forked tail slider and second forked tail slider. Two sides of the tool rest are respectively sunken inwards to form a first working area and a second working area, the first working area is provided with a first dovetail chute and a first inner tool groove, and a first inner blade is arranged in the first inner tool groove; be provided with first forked tail slider in the first forked tail spout, first forked tail slider prevents through first fastening device that it from sliding in first forked tail spout, is provided with first outer sword groove on the first forked tail slider, and first outer blade is installed in first outer sword groove. The first working area and the second working area have the same structure and are arranged in a staggered manner and are centrosymmetric with each other. The utility model provides an adjustable chamfer cutter can realize infinitely variable control, and is general to the small size change that causes because of factor changes such as material change, forming condition, thermal treatment, same knife rest.
Description
Technical Field
The utility model relates to a chamfer cutter technical field especially relates to an adjustable chamfer cutter.
Background
In the process of producing the magnetic powder core, one of the procedures is to chamfer the product, a chamfering tool is needed to chamfer the inner diameter and the outer diameter of the annular product, so that the outer surface of the product is coated with a layer of insulating film in the next procedure. The existing chamfering mode comprises two types of green blanks and cooked blanks, wherein products with certain green blank strength are chamfered by using the green blanks, namely, chamfering is directly carried out; aiming at the product with insufficient green strength, a cooked blank mode is selected, namely, the product is chamfered after being calcined.
According to the method, the green body chamfering method has the advantages that the cutter is long in service time, the requirements on the cutter and the chamfering machine are low, and the defects that the clamping force is not easy to grasp, cracking is caused, and the product is easy to generate defects due to collision; the advantages of the chamfers of the cooked blank are that the product appearance is good, the residual powder is less, the influence on the subsequent process is less, the defects are that the requirement on the cutter is high, the cutter is seriously abraded, the cutter cannot be adjusted after being fixed, one set of cutter needs to be prepared for each type of product, and the correction cannot be carried out when the size has small deviation. Therefore, an adjustable chamfering tool is needed for brown chamfering.
SUMMERY OF THE UTILITY MODEL
The utility model provides an adjustable chamfering tool to solve among the prior art chamfering tool can not finely tune the problem of size.
The utility model adopts the technical proposal that: an adjustable chamfering tool comprises a tool handle, a tool rest, a first outer blade, a first inner blade, a second inner blade and a second outer blade, wherein two sides of the tool rest are respectively sunken inwards to form a first working area and a second working area, the first working area is provided with a first inner blade groove, the first inner blade groove is internally provided with the first inner blade, the second working area is provided with a second inner blade groove, and the second inner blade groove is internally provided with the second inner blade groove; the first working area is also provided with a first dovetail sliding groove, a first dovetail sliding block is arranged in the first dovetail sliding groove, the first dovetail sliding block is prevented from sliding in the first dovetail sliding groove through a first fastening mechanism, a first outer cutter groove is formed in the first dovetail sliding block, and the first outer cutter blade is installed in the first outer cutter groove; the second working area is also provided with a second dovetail sliding groove, a second dovetail sliding block is arranged in the second dovetail sliding groove, the second dovetail sliding block is prevented from sliding in the second dovetail sliding groove through a second fastening mechanism, a second outer cutter slot is formed in the second dovetail sliding block, and the second outer cutter blade is installed in the second outer cutter slot; the first outer blade with first inner blade with the outer blade of second with blade in the second is central symmetry and distributes, first outer blade with first contained angle has between the blade in the first, the outer blade of second with have between the blade in the second with the second contained angle that first contained angle is the same.
Furthermore, a boss of a dovetail structure is arranged at the bottom of the second dovetail slide block, a second external cutter groove is arranged on the surface opposite to the boss, and the structure of the first dovetail slide block is the same as that of the second dovetail slide block.
Further, one end of the second dovetail slider has a tangent plane parallel to the working edge of the second outer blade.
Furthermore, one end, close to the tangent plane, of the second dovetail sliding block is provided with a mounting threaded hole, the mounting threaded hole is located in the second outer cutter groove, a through hole is formed in the middle of the second outer blade, and the second outer blade is fixed in the mounting threaded hole through a screw.
Furthermore, the second fastening mechanism is a set screw and a set screw hole arranged at one end of the second dovetail slide block far away from the tangent plane; the fastening screw hole is positioned in the second outer cutter groove, the fastening screw hole is a threaded through hole, the fastening screw penetrates through the fastening screw hole and abuts against the bottom of the second dovetail sliding groove, and the second dovetail sliding block is prevented from sliding in the second dovetail sliding groove.
Further, scales are arranged on the second dovetail sliding block and/or the tool rest close to the second dovetail sliding block.
The utility model has the advantages that: the utility model provides an adjustable chamfer cutter can realize infinitely variable control, and is general to the small size change that causes because of factor changes such as material change, forming condition, thermal treatment, same knife rest. In addition, the adjustment is convenient and quick, and the manufacturing cost is low.
Drawings
Fig. 1a is a schematic view of a prior art chamfering tool (without outer and inner inserts installed).
Fig. 1b is a front view of a prior art chamfering tool (without the outer and inner inserts installed).
Fig. 2a is a schematic structural view of a prior art chamfering tool cutting a magnetic powder core (with an outer blade and an inner blade installed).
Fig. 2b is a front view of the prior art chamfering tool cutting the magnetic powder core (with the outer blade and the inner blade mounted).
Fig. 3 is a front view of an adjustable chamfer tool (without outer and inner blades installed) as disclosed in the present invention.
Fig. 4 is a bottom view of the adjustable chamfer tool (without the outer and inner blades installed) of the present disclosure.
Fig. 5 is a bottom view of the adjustable chamfer tool (with the outer blade, inner blade, and dovetail slide installed) of the present disclosure.
Fig. 6 is a schematic structural diagram of a second dovetail slider disclosed in the present invention.
Fig. 7 is a schematic structural view of the first outer blade disclosed in the present invention.
Reference numerals: 1. a knife handle; 2. a tool holder; 21. a first dovetail chute; 22. a first inner cutter groove; 23. a second inner cutter groove; 24. a second dovetail chute; 3. a first outer blade; 4. a first inner blade; 5. a second inner blade; 6. a second outer blade; 7. a first dovetail slide block; 71. a first outer cutter groove; 8. a second dovetail slide block; 81. installing a threaded hole; 82. fastening screw holes; 83. a second outside cutter groove; 84. cutting into noodles; 9. a first working area; 10. a second working area.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, but the embodiments of the present invention are not limited thereto.
Referring to fig. 1a and 1b, fig. 1a and 1b illustrate a prior art chamfering tool without an outer insert and an inner insert; referring to fig. 2a and 2b, fig. 2a and 2b illustrate a prior art chamfering tool with an outer blade and an inner blade mounted thereon, and a hollow cylinder at the bottom of the drawing is a magnetic powder core. As can be seen from fig. 1a, 1b, 2a, 2b, the outer insert and the inner insert of the prior art chamfering tool are fixedly mounted and cannot be fine-tuned in size. The utility model discloses improve on above-mentioned current chamfer cutter's basis, improve the part and lie in outer blade department. The method comprises the following specific steps:
example 1:
referring to fig. 3-5, an adjustable chamfering tool includes a shank 1, a tool holder 2, a first outer blade 3, a first inner blade 4, a second inner blade 5, a second outer blade 6, a first dovetail block 7, and a second dovetail block 8.
The two sides of the tool rest 2 are respectively sunken inwards to form a first working area 9 and a second working area 10, the first working area 9 and the second working area 10 are arranged in a staggered mode, and the first working area 9 and the second working area 10 are in central symmetry.
The first working area 9 is provided with a first dovetail chute 21 and a first inner cutter groove 22, and a first inner cutter blade 4 is installed in the first inner cutter groove 22; a first dovetail slide block 7 is provided in the first dovetail slide groove 21, the first dovetail slide block 7 is prevented from sliding (i.e., the first dovetail slide block 7) in the first dovetail slide groove 21 by a first fastening mechanism, a first outer blade groove 71 is provided on the first dovetail slide block 7, and the first outer blade 3 is installed in the first outer blade groove 71.
The second working area 10 is provided with a second internal blade groove 23 and a second dovetail sliding groove 24, the second internal blade 5 is installed in the second internal blade groove 23, a second dovetail slide block 8 is arranged in the second dovetail sliding groove 24, the second dovetail slide block 8 is prevented from sliding in the second dovetail sliding groove 24 (namely, the second dovetail slide block 8) through a second fastening mechanism, a second external blade groove 83 is arranged on the second dovetail slide block 8, and the second external blade 6 is installed in the second external blade groove 83.
First outer blade 3 and first interior blade 4 and second outer blade 6 and second interior blade 5 are central symmetry and distribute, have first contained angle between first outer blade 3 and the first interior blade 4, have the second contained angle the same with first contained angle between second outer blade 6 and the second interior blade 5. During the use, place magnetic powder core (for hollow cylinder form) in first contained angle and second contained angle, the work limit slope in the interior circle edge of magnetic powder core of blade 4 in the first and the second, the work limit slope in the excircle edge of magnetic powder core of blade 3 in the first outer blade and the second outer blade 6, rotate handle of a knife 1 to the realization is to carrying out the chamfer simultaneously to circle and excircle edge in the magnetic powder core.
Referring to fig. 6, the structure of the first dovetail slider 7 is the same as that of the second dovetail slider 8, and the present embodiment will be described with respect to only the second dovetail slider 8. The bottom of the second dovetail slide block 8 is provided with a boss of a dovetail structure, and one surface opposite to the boss is provided with a second external cutter groove 83. One end of the second dovetail slider 8 has a cut surface 84, and the cut surface 84 is a plane parallel to the working edge of the second outer blade 6. the advantage of providing the cut surface 84 is to prevent the sharp corner of the second dovetail slider 8 protruding from scratching the product or injuring a person.
One end of the second dovetail sliding block 8 close to the tangent plane 84 is provided with a mounting threaded hole 81, the mounting threaded hole 81 is located in the second outer blade groove 83, a through hole is formed in the middle of the second outer blade 6, and a screw passes through the through hole in the middle of the second outer blade 6 and is mounted in the mounting threaded hole 81, so that the second outer blade 6 is fixed in the second outer blade groove 83.
The first fastening mechanism and the second fastening mechanism have the same structure, and the second fastening mechanism is only explained in the present embodiment. The second fastening mechanism is a set screw and a set screw hole 82 arranged at one end of the second dovetail sliding block 8 far away from the tangent plane 84; set screw hole 82 is located second knife groove 83, and set screw hole is the screw thread through-hole, and set screw passes set screw hole 82 and supports in second dovetail groove 24 bottom, realizes preventing that second dovetail slide 8 from sliding in second dovetail groove 24 to realize locking.
Referring to fig. 3 and 6, the second dovetail slider 8 and/or the tool rest 2 close to the second dovetail slider 8 are/is provided with scales so as to facilitate observation of the sliding distance of the second dovetail slider 8.
Referring to fig. 7, fig. 7 is a schematic structural view of the first outer blade 3, and the first outer blade 3 is in a shape of a terrace, and has a through hole in the middle thereof, and a working edge thereof is an edge of the upper surface in the figure. The first outer blade 3, the first inner blade 4, the second inner blade 5 and the second outer blade 6 are all the same in structural size.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. An adjustable chamfering tool comprises a tool handle, a tool rest, a first outer blade, a first inner blade, a second inner blade and a second outer blade, wherein two sides of the tool rest are respectively sunken inwards to form a first working area and a second working area, the first working area is provided with a first inner blade groove, the first inner blade groove is internally provided with the first inner blade, the second working area is provided with a second inner blade groove, and the second inner blade groove is internally provided with the second inner blade groove;
the first dovetail slide block is prevented from sliding in the first dovetail slide groove through a first fastening mechanism, a first outer cutter slot is formed in the first dovetail slide block, and the first outer cutter blade is installed in the first outer cutter slot; the second working area is also provided with a second dovetail sliding groove, a second dovetail sliding block is arranged in the second dovetail sliding groove, the second dovetail sliding block is prevented from sliding in the second dovetail sliding groove through a second fastening mechanism, a second outer cutter slot is formed in the second dovetail sliding block, and the second outer cutter blade is installed in the second outer cutter slot; the first outer blade with first inner blade with the outer blade of second with blade in the second is central symmetry and distributes, first outer blade with first contained angle has between the blade in the first, the outer blade of second with have between the blade in the second with the second contained angle that first contained angle is the same.
2. The adjustable chamfering tool according to claim 1, wherein the second dovetail slider is provided with a boss of dovetail structure at the bottom, and a second outer tool slot is provided at the side opposite to the boss, and the structure of the first dovetail slider is the same as that of the second dovetail slider.
3. The adjustable chamfer tool of claim 2, wherein an end of the second dovetail slide has a tangent plane that is parallel to the working edge of the second outer blade.
4. The adjustable chamfering tool according to claim 3, wherein a mounting threaded hole is provided at an end of the second dovetail slider near the tangent plane and located in the second outer blade groove, a through hole is provided at a middle portion of the second outer blade, and the second outer blade is fixed in the mounting threaded hole by a screw.
5. The adjustable chamfering tool according to claim 3, wherein the second fastening mechanism is a set screw and a set screw hole provided at an end of the second dovetail slider remote from the tangent plane; the fastening screw hole is positioned in the second outer cutter groove, the fastening screw hole is a threaded through hole, the fastening screw penetrates through the fastening screw hole and abuts against the bottom of the second dovetail sliding groove, and the second dovetail sliding block is prevented from sliding in the second dovetail sliding groove.
6. The adjustable chamfering tool according to any one of claims 1 to 5, wherein the second dovetail slider and/or the tool holder adjacent to the second dovetail slider is provided with a scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120438139.XU CN214602307U (en) | 2021-03-01 | 2021-03-01 | Adjustable chamfering tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120438139.XU CN214602307U (en) | 2021-03-01 | 2021-03-01 | Adjustable chamfering tool |
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| Publication Number | Publication Date |
|---|---|
| CN214602307U true CN214602307U (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120438139.XU Active CN214602307U (en) | 2021-03-01 | 2021-03-01 | Adjustable chamfering tool |
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| CN (1) | CN214602307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473069A (en) * | 2022-03-28 | 2022-05-13 | 什邡慧丰采油机械有限责任公司 | Special combined cutting tool for chamfering valve body |
-
2021
- 2021-03-01 CN CN202120438139.XU patent/CN214602307U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473069A (en) * | 2022-03-28 | 2022-05-13 | 什邡慧丰采油机械有限责任公司 | Special combined cutting tool for chamfering valve body |
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