CN210548560U - Portable screw hole first tooth chamfering tool - Google Patents
Portable screw hole first tooth chamfering tool Download PDFInfo
- Publication number
- CN210548560U CN210548560U CN201921351842.6U CN201921351842U CN210548560U CN 210548560 U CN210548560 U CN 210548560U CN 201921351842 U CN201921351842 U CN 201921351842U CN 210548560 U CN210548560 U CN 210548560U
- Authority
- CN
- China
- Prior art keywords
- hole
- blade
- cutter
- tool
- thread section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Milling Processes (AREA)
Abstract
The utility model discloses a portable screw head tooth chamfering tool, including the cutter arbor, the one end of cutter arbor is provided with the external screw thread section, be provided with the tool bore that links to each other with the external screw thread section on the cutter arbor, be provided with the blade in the tool bore, the blade on the radial direction of cutter arbor with tool bore sliding fit, the outer end of blade extends outside the tool bore and is provided with the alveolus, the inner of blade is connected with elastic mechanism. The tool has small volume and weight and is very convenient to carry. Because the screw holes have various specifications, the screw holes of each specification can be provided with a chamfering tool with matched size, and a whole set of chamfering tools can be stored and carried in a centralized way by utilizing a tool box.
Description
Technical Field
The utility model relates to a screw processing equipment field, concretely relates to portable screw head tooth chamfering tool.
Background
The order of machining the screw holes is generally: drilling a bottom hole, chamfering an orifice and tapping, wherein the orifice is provided with a thread fastener head flash through the screw hole processed by the method. In the assembling process, when the related external thread is screwed in, the head flash of the screw thread head of the screw hole is easy to be damaged, so that the clamping resistance appears in the screwing process of the thread, and the apparent quality of the screw hole is influenced.
When this occurs, the burr of the first tooth of the screw hole is usually ground and trimmed off by a bench worker using a rotary file. The mode increases the workload of a bench worker, and the apparent quality of the polished screw hole is not satisfactory by manual operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a portable screw head tooth chamfering tool which is small in size and convenient to carry and use is provided.
The utility model provides a technical scheme that technical problem adopted is: portable screw head tooth chamfering tool, including the cutter arbor, the one end of cutter arbor is provided with the external screw thread section, be provided with the sword hole that links to each other with the external screw thread section on the cutter arbor, the downthehole blade that is provided with of sword, the blade on the radial direction of cutter arbor with sword hole sliding fit, the outer end of blade extends outside the sword hole and is provided with the alveolus, the inner of blade is connected with elastic mechanism.
Furthermore, the elastic mechanism comprises a push rod, an axial mounting hole is formed in one end, far away from the external thread section, of the cutter bar, an axial guide hole is connected to one end, close to the external thread section, of the mounting hole, and a plug is arranged in the mounting hole; the diameter of guiding hole is less than the diameter of mounting hole, the lateral wall of blade is provided with the constant head tank, the lateral wall that the constant head tank is close to the blade outer end sets up to the inclined plane, the push rod run through the guiding hole and with guiding hole sliding fit, and the one end of push rod set up to with constant head tank inclined plane complex toper, be provided with the spring between the other end and the end cap.
Further, the plug is a screw in threaded fit with the mounting hole.
Furthermore, one end of the push rod, which is far away from the blade, is provided with an anti-falling raised head, the outer diameter of the anti-falling raised head is larger than the diameter of the guide hole, and the spring is arranged between the anti-falling raised head and the plug.
Furthermore, the cutter bar is provided with an auxiliary hole which radially penetrates through the cutter bar.
Compared with the prior art, the beneficial effects of the utility model are that: when the cutter is used, the cutter bar is rotated to screw the external thread section into the screw hole needing the chamfering of the first tooth, after the external thread section completely enters the screw hole, the blade is contacted with the first tooth of the screw hole, the cutter bar is continuously rotated to drive the blade to rotate, and the blade can cut off the flash of the first tooth of the screw hole. Along with the cutting, the thickness of the screw hole first-fastening thread gradually increases, the cutting resistance borne by the blade gradually increases, the elastic mechanism is compressed, the blade gradually enters the cutter hole, and the cutting is finished. The whole operation is simple, and the grinding efficiency and quality of the screw holes can be improved. In addition, the tool is small in size and weight and very convenient to carry. Because the screw holes have various specifications, the screw holes of each specification can be provided with a chamfering tool with matched size, and a whole set of chamfering tools can be stored and carried in a centralized way by utilizing a tool box.
Drawings
Fig. 1 is a schematic top view of the present invention;
3 fig. 3 2 3 is 3 a 3 schematic 3 cross 3- 3 sectional 3 view 3 of 3 a 3- 3 a 3 in 3 fig. 3 1 3. 3
Reference numerals: 1, a cutter bar; 2-external thread section; 3, cutting hole; 4-a blade; 5-alveolus; 6, a push rod; 7-a spring; 8, mounting holes; 9-positioning grooves; 10-plug; 11-anti-falling raised head; 12-auxiliary holes.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The utility model discloses a portable screw head tooth chamfering tool, as shown in fig. 1 and fig. 2, including cutter arbor 1, the one end of cutter arbor 1 is provided with external screw thread section 2, be provided with the sword hole 3 that links to each other with external screw thread section 2 on the cutter arbor 1, be provided with blade 4 in the sword hole 3, blade 4 is in the radial direction of cutter arbor 1 with sword hole 3 sliding fit, the outer end of blade 4 extends outside the sword hole 3 and is provided with alveolus 5, elastic mechanism is connected to the inner of blade 4.
The cutter arbor 1 is cylindrical, and external screw thread section 2 is ordinary screw thread, can cooperate with the screw thread of the screw of treating first tooth chamfer. The section of blade 4 is the rectangle, and the degree of depth of the alveolus 5 on blade 4 is less than the degree of depth of ordinary screw thread alveolus, utilizes the first tooth of alveolus 5 cutting screw, can realize polishing to the screw first tooth. Elastic mechanism's effect lies in supporting blade 4, and the elasticity that utilizes elastic mechanism makes the outer end that supports blade 4 extend outside sword hole 3, through the length that 4 outer ends of regulation blade extended outside sword hole 3 and elastic mechanism's the elastic coefficient, can adjust the size of the biggest cutting force to can control blade 4 to the cutting length of screw first tooth, specific course of work is: the external thread section 2 is screwed into a screw hole needing the chamfering of the first tooth, after the external thread section 2 completely enters the screw hole, the blade 4 is contacted with the initial position of the first tooth of the screw hole, the cutter bar 1 is continuously rotated to drive the blade 4 to rotate, and the blade 4 can cut off the flash of the first tooth of the screw hole. Along with the cutting, the blade 4 makes spiral motion along the screw head tooth, and the tooth thickness of cutting position on the screw head tooth increases gradually, and the cutting resistance that blade 4 received increases gradually, and cutting force transmits to elastic mechanism, and elastic mechanism is compressed, and the blade gets into the sword hole gradually, and after the blade was whole to get into the sword hole, the cutting was accomplished, and it can to take out this instrument. The whole operation is simple, and the grinding efficiency and quality of the screw holes can be improved. In addition, the tool is small in size and weight and very convenient to carry. Because the screw holes have various specifications, the screw holes of each specification can be provided with a chamfering tool with matched size, and a whole set of chamfering tools can be stored and carried in a centralized way by utilizing a tool box.
The tool has simple structure, small volume and weight, and is very convenient to carry and use. Because the screw holes have various specifications, the screw holes of each specification can be provided with chamfering tools with matched sizes, and the chamfering tools suitable for the screw holes of various specifications can be stored and carried in a centralized way, thereby forming a whole set of chamfering tools.
The elastic mechanism can be directly arranged at the hole bottom of the knife hole 3 and can be various existing elastic materials or mechanisms, such as a single spring, one end of the elastic mechanism is fixedly connected with the inner end of the blade 4, and the other end of the elastic mechanism is fixedly connected with the hole bottom of the knife hole 3. As a preferred technical scheme:
elastic mechanism includes push rod 6, the one end that external screw thread section 2 was kept away from to cutter arbor 1 is provided with axial mounting hole 8, and the drill way of mounting hole 8 is located the terminal surface of cutter arbor 1, the one end that mounting hole 8 is close to external screw thread section 2 is connected with axial guiding hole, guiding hole intercommunication mounting hole 8 and sword hole 3, is provided with end cap 10 in the mounting hole 8. The diameter of the guide hole is smaller than that of the mounting hole 8, and the diameter of the push rod 6 is matched with that of the guide hole. The lateral wall of blade 4 is provided with constant head tank 9, the lateral wall that constant head tank 9 is close to blade 4 outer end sets up to the inclined plane, push rod 6 run through the guiding hole and with guiding hole sliding fit, and push rod 6's one end set up to with constant head tank 9 inclined plane complex toper, be provided with spring 7 between the other end and the end cap 10. After the elastic mechanism is assembled, the spring 7 is in a compressed state and has certain elastic force, so that the blade 4 can be pushed to move, the outer end of the blade 4 moves out of the knife hole 3, and the blade 4 is kept stable. In the cutting process, the blade 4 is subjected to gradually increased cutting force, the end part of the push rod 6 is in a conical shape, namely the outer wall of the end part of the push rod 6 is an inclined surface attached to the inclined surface of the positioning groove 9, the blade 4 transmits the cutting force to the push rod 6 through the inclined surface, under the action of the cutting force, the push rod 6 slides and compresses the spring 7, and the blade 4 slides towards the inside of the cutter hole 3. After the cutting is finished, the tool is taken out, the spring 7 is reset, and the push rod 6 and the blade 4 are pushed to reset.
The plug 10 can be welded with the hole wall of the mounting hole 8 or connected with the mounting hole by a positioning pin, as an optimal technical scheme, the plug 10 is a screw in threaded fit with the mounting hole 8, the screw is a hexagon socket head cap screw, and the position of the screw in the mounting hole 8 can be adjusted by rotating the screw, so that the compression amount of the spring 7 is adjusted, the initial elasticity of the spring 7 is changed, and the cutting length of the blade 4 to the head of the screw hole can be adjusted.
An anti-falling raised head 11 is arranged at one end, far away from the blade 4, of the push rod 6, the outer diameter of the anti-falling raised head 11 is larger than the diameter of the guide hole, and the spring 7 is arranged between the anti-falling raised head 11 and the plug 10. The external diameter of the anti-falling raised head 11 is larger than that of the push rod 6, the external diameter of the anti-falling raised head 11 is matched with the diameter of the mounting hole 8, the push rod 6 can be mounted in place firstly during assembly, then the spring 7 is placed into the mounting hole 8, and finally the plug 10 is mounted, so that the anti-falling raised head is convenient and rapid to assemble, and convenient to repair subsequently.
The cutter bar 1 is provided with an auxiliary hole 12 which radially penetrates through the cutter bar 1. The auxiliary hole 12 is a circular through hole, and when the cutting force received by the blade 4 is large, in order to facilitate the labor-saving rotation of the cutter bar 1 to complete polishing, a cylindrical rod piece can pass through the auxiliary hole 12, and the rod piece is held by hand and rotated, so that the cutter bar 1 is driven to rotate, and the labor is saved in operation.
Claims (4)
1. The portable screw hole head tooth chamfering tool is characterized by comprising a cutter bar (1), wherein an external thread section (2) is arranged at one end of the cutter bar (1), a cutter hole (3) connected with the external thread section (2) is formed in the cutter bar (1), a blade (4) is arranged in the cutter hole (3), the blade (4) is in sliding fit with the cutter hole (3) in the radial direction of the cutter bar (1), the outer end of the blade (4) extends out of the cutter hole (3) and is provided with a tooth socket (5), and an elastic mechanism is connected to the inner end of the blade (4);
the elastic mechanism comprises a push rod (6), an axial mounting hole (8) is formed in one end, far away from the external thread section (2), of the cutter bar (1), an axial guide hole is connected to one end, close to the external thread section (2), of the mounting hole (8), and a plug (10) is arranged in the mounting hole (8); the diameter of guiding hole is less than the diameter of mounting hole (8), the lateral wall of blade (4) is provided with constant head tank (9), the lateral wall that constant head tank (9) are close to blade (4) outer end sets up to the inclined plane, push rod (6) run through the guiding hole and with guiding hole sliding fit, and the one end of push rod (6) set up to with constant head tank (9) inclined plane complex toper, be provided with spring (7) between the other end and end cap (10).
2. A portable screw hole initial chamfering tool according to claim 1, wherein the plug (10) is a screw threadedly engaged with the mounting hole (8).
3. The portable screw hole initial chamfering tool according to claim 1, wherein an anti-falling protruding head (11) is provided at an end of the push rod (6) away from the blade (4), an outer diameter of the anti-falling protruding head (11) is larger than a diameter of the guide hole, and the spring (7) is provided between the anti-falling protruding head (11) and the plug (10).
4. A portable screw hole leading edge chamfering tool according to claim 1, wherein an auxiliary hole (12) radially penetrating the tool bar (1) is provided on the tool bar (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921351842.6U CN210548560U (en) | 2019-08-20 | 2019-08-20 | Portable screw hole first tooth chamfering tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921351842.6U CN210548560U (en) | 2019-08-20 | 2019-08-20 | Portable screw hole first tooth chamfering tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210548560U true CN210548560U (en) | 2020-05-19 |
Family
ID=70667118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921351842.6U Active CN210548560U (en) | 2019-08-20 | 2019-08-20 | Portable screw hole first tooth chamfering tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210548560U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114083066A (en) * | 2021-11-15 | 2022-02-25 | 中国航发贵州红林航空动力控制科技有限公司 | Adjustable internal thread deburring device |
| CN116532694A (en) * | 2023-07-03 | 2023-08-04 | 成都飞机工业（集团）有限责任公司 | Installation method of deburring structure and drilling, reaming and deburring integrated tool |
-
2019
- 2019-08-20 CN CN201921351842.6U patent/CN210548560U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114083066A (en) * | 2021-11-15 | 2022-02-25 | 中国航发贵州红林航空动力控制科技有限公司 | Adjustable internal thread deburring device |
| CN116532694A (en) * | 2023-07-03 | 2023-08-04 | 成都飞机工业（集团）有限责任公司 | Installation method of deburring structure and drilling, reaming and deburring integrated tool |
| CN116532694B (en) * | 2023-07-03 | 2023-11-10 | 成都飞机工业（集团）有限责任公司 | Installation method of deburring structure and drilling, reaming and deburring integrated tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210548560U (en) | Portable screw hole first tooth chamfering tool | |
| US20200001377A1 (en) | Drill bit with chamfering function | |
| CN104353897B (en) | Pipe saw | |
| CN211840431U (en) | Axial floating forward deburring cutter | |
| KR101965935B1 (en) | Chamferring Cutting Tools with multi-function | |
| CN218533088U (en) | Tool bit for machining threads | |
| CN217452276U (en) | Integral HM twist drill with multi-groove mirror surface structure | |
| CN204235655U (en) | Adjustable plate hole making drill | |
| CN115592216A (en) | Tool bit for machining threads | |
| CN203664750U (en) | Device for boring inner groove | |
| CN214161637U (en) | Burring cutter arbor that floats | |
| CN107552819B (en) | Cemented carbide cutting tool | |
| CN105081372A (en) | Telescopic boring cutter for processing internal conical surface | |
| CN211072089U (en) | Spring cutter applied to deburring | |
| CN203018838U (en) | Burring cutter for through small hole port in inner wall of deep hole | |
| CN220498423U (en) | Self-adaptive jumping machining tool | |
| CN203900515U (en) | Telescopic inner conical surface machining boring cutter | |
| CN219599751U (en) | Spring cutter | |
| CN201102073Y (en) | Split type bore lathe cutter | |
| CN210731648U (en) | Cutter capable of being quickly adjusted to horizontal position | |
| CN217166795U (en) | Polycrystalline diamond adjustable precision reamer | |
| CN221210025U (en) | Integral carbide end mill | |
| CN204321314U (en) | Pipe is sawed | |
| CN218799218U (en) | Fast self-pressing composite material drilling device | |
| CN203390332U (en) | External thread tool with sleeve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |