CN209792693U - Reverse countersinking tool - Google Patents
Reverse countersinking tool Download PDFInfo
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- CN209792693U CN209792693U CN201920063909.XU CN201920063909U CN209792693U CN 209792693 U CN209792693 U CN 209792693U CN 201920063909 U CN201920063909 U CN 201920063909U CN 209792693 U CN209792693 U CN 209792693U
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- cutter
- tool
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- bar
- washer
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Abstract
The utility model relates to a reverse countersink, include: the cutter comprises a cutter bar, a cutter head, a gasket and a fastener; the cutter head and the washer are sequentially sleeved on the cutter bar, and the fastener is sleeved and fixedly connected on the cutter bar so as to limit the axial displacement of the cutter head and the washer in the direction opposite to the pulling direction of the cutter bar; the non-working end of the cutter head is provided with a clamping groove, one end of the gasket is provided with a bulge, and the bulge is clamped with the clamping groove so as to limit the relative rotation of the cutter head and the gasket; the mounting hole of packing ring is waist shape hole, and the cutter arbor is equipped with the waist shape post with waist shape hole adaptation with waist shape hole assembly department to inject the rotation of packing ring on the cutter arbor, and then inject the rotation of tool bit on the cutter arbor. The utility model has simple integral structure, is composed of conventional components in the processing field, and has short processing period and low manufacturing cost; in the actual machining process, a proper tool bit and a proper washer can be selected according to the specification of the machined hole, so that the adaptability of the reverse countersink tool and a part during machining is higher.
Description
Technical Field
The utility model relates to a combination formula machining cutter field, in particular to anti-countersink.
Background
currently, in the field of machining, some parts have non-precision holes with a certain depth, which exceeds the machining range of a normal machine tool; on one hand, due to the special structure of the part, the available space in front of and behind the hole is very narrow, and the conventional side milling head cannot enter a processing area, so that the conventional tool cannot process the part; on the other hand, the existing counter-boring tool has the disadvantages of high manufacturing difficulty, long processing period and high cost.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the degree of difficulty is big in the processing that has the non-precision hole part of degree of depth and current anti-countersink tool manufacturing, the utility model provides an anti-countersink tool.
The utility model provides a pair of reverse countersink includes: the cutter comprises a cutter bar, a cutter head, a gasket and a fastener; the cutter head and the washer are sequentially sleeved on the cutter bar, and the fastener is sleeved and fixedly connected on the cutter bar so as to limit the axial displacement of the cutter head and the washer in the direction opposite to the pulling direction of the cutter bar; the non-working end of the cutter head is provided with a clamping groove, one end of the gasket is provided with a bulge, and the bulge is clamped with the clamping groove so as to limit the relative rotation of the cutter head and the gasket; the mounting hole of packing ring is waist shape hole, and the cutter arbor is equipped with the waist shape post with waist shape hole adaptation with waist shape hole assembly department to inject the rotation of packing ring on the cutter arbor, and then inject the rotation of tool bit on the cutter arbor.
By adopting the technical scheme, the reverse countersink tool is simple in overall structure, is composed of conventional components in the machining field, and is short in machining period and low in manufacturing cost; in the actual machining process, a proper tool bit and a proper washer can be selected according to the specification of the machined hole, so that the adaptability of the reverse countersink tool and a part during machining is higher.
preferably, the fastener is a fastening nut.
By adopting the technical scheme, the fastening nut can limit the axial displacement of the cutter head and the washer in the direction opposite to the pulling direction of the cutter bar on one hand, and the cutter head and the washer are prevented from loosening or falling off in the machining process; on the other hand, the fastening nut connection belongs to detachable connection, and the tool bit and the washer with proper specifications can be conveniently replaced according to processing requirements.
Preferably, the cutter bar is of a stepped shaft-like structure, and a shoulder of the stepped shaft is used for limiting the axial displacement of the cutter head in the same direction as the pulling direction of the cutter bar.
By adopting the technical scheme, the cutter head can be prevented from sliding along the pulling direction of the cutter bar, and the axial displacement of the cutter head in the same direction as the pulling direction of the cutter bar is limited.
Preferably, the tool bar is No. 45 steel.
By adopting the technical scheme, the No. 45 steel has higher strength and better cutting processability, can obtain certain toughness, plasticity and wear resistance after proper heat treatment, is suitable for being processed into a cutter bar, and has the advantages of convenient material source, short processing period and low cost.
Preferably, the cutter head comprises a cutter body and blades, the cutter body is sleeved on the cutter rod, the number of the blades is even, and the blades are uniformly distributed on the end face of the cutter body.
by adopting the technical scheme, the hole structure on the part can be conveniently machined, and the even number of blades can improve the working efficiency compared with a single blade.
The utility model discloses owing to adopt above technical scheme, its technical effect who reaches has: the reverse countersink tool is simple in structure, only consists of a cutter bar, a cutter head, a gasket and a fastener which are conventionally constructed, and is convenient in material source, short in processing period and low in cost; and the proper tool bit and the proper gasket can be selected according to the structure of the hole to be machined, so that the adaptability of the counter-boring tool and the part is higher during machining.
Drawings
FIG. 1 is a schematic view of a reverse countersink according to an embodiment of the present invention;
Fig. 2 is a schematic view of a tool bar according to an embodiment of the present invention;
FIG. 3 is a schematic view of a tool bit according to an embodiment of the present invention;
Fig. 4 is a schematic view of a gasket according to an embodiment of the present invention.
Wherein: 1 is a cutter bar, 10 is a shaft shoulder, and 11 is a waist-shaped column; 2, a cutter head, 20 a blade and 21 a cutter body; 3 is a gasket, 30 is a bulge, and 31 is a waist-shaped hole; and 4, a fastener.
Detailed Description
The following description of the embodiments according to the present invention is made with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and the present invention is not limited to the specific embodiments disclosed below.
In order to solve the technical problem, the utility model provides a reverse countersink.
As shown in fig. 1 and 4, the utility model provides a counter sink tool includes: the cutter bar 1, the cutter head 2, the gasket 3 and the fastener 4; the cutter head 2 and the washer 3 are sequentially sleeved on the cutter bar 1, and the fastener 4 is sleeved and fixedly connected on the cutter bar 1 to limit axial displacement of the cutter head 2 and the washer 3 in the direction opposite to the pulling direction of the cutter bar 1; the non-working end of the tool bit 2 is provided with a clamping groove, one end of the gasket 3 is provided with a bulge 30, and the bulge 30 is clamped with the clamping groove to limit the relative rotation of the tool bit 2 and the gasket 3; the mounting hole of the washer 3 is a waist-shaped hole 31, and a waist-shaped column 11 matched with the waist-shaped hole 31 is arranged at the assembly position of the cutter bar 1 and the waist-shaped hole 31 so as to limit the rotation of the washer 3 on the cutter bar 1 and further limit the rotation of the cutter head 2 on the cutter bar 1.
By adopting the technical scheme, the reverse countersink tool is simple in overall structure, is composed of conventional components in the machining field, and is short in machining period and low in manufacturing cost; in the actual machining process, a proper tool bit and a proper washer can be selected according to the specification of the machined hole, so that the adaptability of the reverse countersink tool and a part during machining is higher.
in another preferred embodiment, as shown in fig. 1, 2 and 3, the tool shank 1 is a stepped shaft-like structure, with the tool bit 2, the washer 3 and the fastener 4 all located to the right of the shoulder 10; the cutter arbor 1 on shaft shoulder 10 right side divide into cylindrical structure and waist shape post structure again, and wherein, tool bit 2 passes through the through-hole suit on tool arbor 1's cylindrical structure, the corresponding cutter arbor 1's of specification adaptation specification of through-hole specification, and packing ring 3 cup joints on waist shape post 11 through waist shape hole 31 on tool bit 2's right side for packing ring 3 can rotate with tool bit 1 together.
The cutter head 2 is provided with a clamping groove at one end close to the washer 3, the washer 3 is provided with a bulge 30 matched with the clamping groove at one end close to the cutter head 2, the bulge 30 is clamped with the clamping groove, the washer 3 transmits rotary power to the cutter head 2, and the fastener 4 limits axial displacement of the cutter head 2 and the washer 3 in the direction opposite to the pulling direction of the cutter bar 1, so that the hole structure is machined.
in another preferred embodiment, the cutter head 2 can be directly sleeved on the waist-shaped column 11 of the cutter bar 1, so that the cutter head 2 can be directly transmitted by the cutter bar 1, and the displacement of the cutter head 2 on the cutter bar 1 is limited by the shaft shoulder 10 and the fastener 4; the fastening piece 4 is a nut and is fastened and connected with the cutter bar 1 through threads; the specifications of the tool shank 1, the tool head 2, the washer 3 and the fastener 4 are set to appropriate values according to actual machining requirements.
Further, as a preferred embodiment, the fastener 4 is a fastening nut.
By adopting the technical scheme, the fastening nut can limit the axial displacement of the cutter head and the washer in the direction opposite to the pulling direction of the cutter bar on one hand, and the cutter head and the washer are prevented from loosening or falling off in the machining process; on the other hand, the fastening nut connection belongs to detachable connection, and the tool bit and the washer with proper specifications can be conveniently replaced according to processing requirements.
In another preferred embodiment, the end of the shank 1 adjacent to the cutting head 2 may be internally threaded, using a matching bolt as the fastener 4 to limit axial displacement of the cutting head 2 and washer 3 in a direction opposite to the direction in which the shank 1 is pulled.
Further, as a preferred embodiment, the arbor 1 is of a stepped shaft-like structure, and the shoulder 10 of the stepped shaft is used to limit the axial displacement of the cutting head 2 in the same direction as the pulling direction of the arbor 1.
By adopting the technical scheme, the cutter head can be prevented from sliding along the pulling direction of the cutter bar, and the axial displacement of the cutter head in the same direction as the pulling direction of the cutter bar is limited.
In another preferred embodiment, irregular protrusions are provided on the tool holder 1 and correspondingly adapted recesses are provided on the tool head 2, which on the one hand limit the axial displacement of the tool head 2 in the same pulling direction as the tool holder 1 and on the other hand transmit rotational power to the tool head 2.
Further, as a preferred embodiment, the tool bar 1 is No. 45 steel.
By adopting the technical scheme, the No. 45 steel has higher strength and better cutting processability, can obtain certain toughness, plasticity and wear resistance after proper heat treatment, and is suitable for being processed into a cutter bar; convenient material source, short processing period and low cost.
In another preferred embodiment, the material of the tool bar 1 can be high-hardness and good-plasticity materials such as aluminum alloy and magnesium alloy.
Further, as a preferred embodiment, the cutter head 2 comprises a cutter body 21 and blades 20, the cutter body 21 is sleeved on the cutter bar 1, and the blades 20 are even in number and are uniformly distributed on the end surface of the cutter body 21.
By adopting the technical scheme, the hole structure on the part can be conveniently machined, and the even number of blades can improve the working efficiency compared with a single blade.
In another preferred embodiment, the connecting manner of the cutter body 21 and the blade 20 may be welding or the like, or the cutter body 21 and the blade 20 may be integrally formed; the number of the blades 20 can be 2, and the blades are symmetrically arranged on the end surface of the cutter body 21; or the number of the blades 20 is 4, and the blades are arranged on the end surface of the cutter body 21 in a centrosymmetric manner.
in another preferred embodiment, the number and location of the blades 20 is selected according to the actual machining requirements.
To sum up, the utility model adopts the above technical scheme, the structure of the reverse countersink tool is simple, and the reverse countersink tool is only composed of the conventional structures of the tool bar, the tool bit, the gasket and the fastener, the material source is convenient, the processing period is short, and the cost is low; and the proper tool bit and the proper gasket can be selected according to the structure of the hole to be machined, so that the adaptability of the counter-boring tool and the part is higher during machining.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The reverse countersink tool is characterized by comprising a tool bar, a tool bit, a gasket and a fastener;
The cutter head and the washer are sequentially sleeved on the cutter bar, and the fastener is sleeved and fixedly connected on the cutter bar so as to limit axial displacement of the cutter head and the washer in the direction opposite to the pulling direction of the cutter bar;
A clamping groove is formed in the non-working end of the cutter head, a protrusion is arranged at one end of the gasket, and the protrusion is clamped with the clamping groove to limit the relative rotation of the cutter head and the gasket;
The mounting hole of packing ring is waist shape hole, the cutter arbor, with waist shape hole assembly department be equipped with waist shape post in waist shape hole adaptation to inject the packing ring is in rotation on the cutter arbor, and then inject the tool bit is in rotation on the cutter arbor.
2. The reverse countersink tool according to claim 1, wherein said fastener is a fastening nut.
3. The reverse countersink tool according to claim 1, wherein said shank is a stepped shaft-like structure, and a shoulder of the stepped shaft is adapted to limit axial displacement of said tool bit in the same direction as a pulling direction of said shank.
4. The reverse countersink tool according to claim 1, wherein said shank is 45 gauge steel.
5. The reverse countersink tool according to claim 1, wherein the tool bit comprises a tool body and a plurality of blades, the tool body is sleeved on the tool bar, and the blades are even in number and are uniformly distributed on the end face of the tool body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920063909.XU CN209792693U (en) | 2019-01-15 | 2019-01-15 | Reverse countersinking tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920063909.XU CN209792693U (en) | 2019-01-15 | 2019-01-15 | Reverse countersinking tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209792693U true CN209792693U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920063909.XU Active CN209792693U (en) | 2019-01-15 | 2019-01-15 | Reverse countersinking tool |
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| CN (1) | CN209792693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111408800A (en) * | 2020-03-10 | 2020-07-14 | 长沙五七一二飞机工业有限责任公司 | Cutting device for coordinated machining of connecting holes |
-
2019
- 2019-01-15 CN CN201920063909.XU patent/CN209792693U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111408800A (en) * | 2020-03-10 | 2020-07-14 | 长沙五七一二飞机工业有限责任公司 | Cutting device for coordinated machining of connecting holes |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Military Standard Quality Testing (Shenyang) Co.,Ltd. Assignor: SHENYANG JINGHE CNC TECHNOLOGY DEVELOPMENT CO.,LTD. Contract record no.: X2023210000076 Denomination of utility model: A reverse spot facer tool Granted publication date: 20191217 License type: Common License Record date: 20230901 |