CN210099711U - Blind hole honing reamer - Google Patents
Blind hole honing reamer Download PDFInfo
- Publication number
- CN210099711U CN210099711U CN201921022767.9U CN201921022767U CN210099711U CN 210099711 U CN210099711 U CN 210099711U CN 201921022767 U CN201921022767 U CN 201921022767U CN 210099711 U CN210099711 U CN 210099711U
- Authority
- CN
- China
- Prior art keywords
- cutter
- blind hole
- sleeve
- knife
- honing
- 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
Abstract
The utility model discloses a blind hole honing reamer relates to honing processing technology field. The cutter comprises a cutter head part, wherein the cutter head part comprises a cutter sleeve, a cutter shaft and a cutter feeding nut, one end of the cutter shaft is a conical section which is gradually reduced from the tail end inwards, the cutter sleeve is provided with a conical inner cavity matched with the conical section, the cutter sleeve is sleeved in from the other end of the cutter shaft and is installed to cover the conical section, the middle part of the cutter shaft is provided with a thread section connected with the conical section, and the cutter feeding nut is screwed on the thread section and abuts against the end part of the cutter sleeve. The utility model discloses in embolia the cutter sleeve from arbor one end, install to the toper section of the other end on to with feed nut locking, the cutter sleeve covers completely at the arbor end, when honing the hinge processing blind hole, can be as far as possible dark processing to the blind hole bottom, and the depth of processing is great, has improved the processingquality of blind hole.
Description
Technical Field
The utility model relates to a honing processing technology field specifically is a blind hole honing reamer.
Background
The honing process (including honing reaming and reaming process) is a finishing process for the surface of a workpiece by using a honing tool, wherein during the honing process, the workpiece is arranged on a honing machine workbench or in a special fixture, the honing tool is inserted into a processed hole, the honing tool is driven by a machine tool main shaft to rotate and axially reciprocate, and a honing strip on the honing tool is contacted with the wall of the hole to be processed under certain pressure, so that a layer of extremely thin metal can be cut off.
Reaming processes are commonly used for the finish machining of hole structures such as through holes, blind holes and the like. In the superfinishing of the blind hole, because the tool withdrawal groove at the bottom of the blind hole is sometimes short in width, the hole bottom cannot be machined by adopting the traditional honing reamer structure, and the machining depth is small. At present, a blind hole honing reamer is usually designed into a tile type honing strip structure, the structure has poor adjustability, and when the blind hole honing reamer is expanded and contracted, honing strips at different parts are easy to expand and contract asynchronously, so that the honing precision is influenced.
Through retrieval, Chinese patent, grant publication number: CN 207139528U, authorized announcement date: 2018.03.27, discloses a honing tool integrating expansion and reaming, which comprises a honing head shell (1) and an expansion cone shaft (3) penetrating through the center of the honing head shell (1), wherein the top end of the expansion cone shaft (3) is provided with a plurality of tile type honing strips (2), and the honing strips (2) cover the periphery of the expansion cone shaft (3); a groove is formed in the middle of the honing strip (2), and an elastic O-shaped ring (4) is positioned in the groove and fixed around the honing strip (2); honing sticks with electroplated diamond are used, which can expand and contract. The utility model provides a honing tool adopts tile formula honing strip structure, and the structure adjustability is poor, and the honing precision is lower relatively, can not be used for super finishing.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved by the utility model
In order to solve the problem that the honing reamer utensil exists does not process the hole bottom in the blind hole is used among the prior art, and the depth of processing is little, the utility model provides a blind hole honing reamer embolias the cutter sleeve from arbor one end, installs to the toper section of the other end on to with the locking of feed nut, the cutter sleeve covers completely at the arbor end, but directly processing to the blind hole bottom when getting into the blind hole, and the depth of processing can cover the hole bottom completely, has improved the processingquality of blind hole.
Technical scheme
In order to solve the above problem, the utility model provides a technical scheme does:
a blind hole honing reamer comprises a cutter head part, wherein the cutter head part comprises a cutter sleeve, a cutter shaft and a feed nut, one end of the cutter shaft is a conical section which is gradually reduced from the tail end to the inner part, namely, the cutter shaft is gradually reduced from the tail end to the middle part of the end of the cutter shaft, the cutter sleeve is provided with a conical inner cavity matched with the conical section, the cutter sleeve is sleeved in from the other end of the cutter shaft and is installed to cover the conical section, the middle part of the cutter shaft is provided with a thread section connected with the conical section, and the feed nut is screwed on the thread section and abuts against the end part of the cutter sleeve.
Furthermore, an expansion notch for axially cutting the outer wall of the knife sleeve is formed in the outer wall of the knife sleeve, and the knife sleeve is pushed towards the tail end by rotating the feeding nut, so that the outer diameter of the knife sleeve is expanded; the cutter feeding nut is rotated reversely, so that the outer diameter of the cutter sleeve can be contracted.
Furthermore, the outer wall of the cutter sleeve is also provided with a plurality of chip grooves extending along the axial direction of the cutter sleeve, and metal scraps generated by grinding enter the chip grooves and are discharged from the chip grooves to the orifice of the blind hole.
Furthermore, the expansion notch and the chip groove are spiral shapes with the same spiral angle, when the cutter rotates, the inner wall of the chip groove generates normal thrust to metal scraps, the metal scraps can be forcibly discharged along the chip groove, and the expansion notch and the chip groove surround the outer wall of the cutter sleeve and are uniformly distributed, so that the radial force applied to the outer wall of the cutter sleeve is uniformly distributed.
Furthermore, the spiral angle of the expansion notch and the chip groove is 0-70 degrees according to the working condition.
Furthermore, the outer wall of the conical section is coated with abrasive materials, so that the surface of the conical section is rough, and the cutter sleeve can be stably tensioned on the conical shaft.
Still further, the tool comprises a tool handle part which is detachably and fixedly connected with the tool head part. When the tool sleeve is disassembled and replaced, only the tool bit part needs to be disassembled from the tool shank part, and the tool does not need to be integrally disassembled from the honing machine.
Furthermore, one end of the cutter handle part is provided with a threaded hole, and the connecting end on the cutter shaft is screwed in the threaded hole.
Still further, the shank portion includes a primary shank and a secondary shank; one end of the auxiliary cutter handle is flexibly connected with one end of the main cutter handle, so that the auxiliary cutter handle has a floating function relative to the main cutter handle; the other end of the auxiliary tool shank is detachably and fixedly connected with the tool shaft.
Further, the main tool shank and the auxiliary tool shank are connected by a universal joint.
Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) the utility model provides a blind hole honing reamer, embolia the cutter sleeve from one end of arbor, install to the toper section of the other end, and lock with the feed nut, the cutter sleeve covers completely at the arbor end, can let the blind hole cutter process the blind hole bottom region as deeply as possible, the process depth is big, has improved the processingquality of blind hole;
(2) the utility model provides a blind hole honing reamer, set up the expansion breach on the cutter sleeve outer wall, the rotary feed nut can make the cutter sleeve external diameter expand or shrink, and then realize the adjustment to tool size compensation, can furthest improve the tool life;
(3) the utility model provides a blind hole honing reamer, the chip groove is arranged on the outer wall of the cutter sleeve, the metal sweeps generated by grinding can be discharged in time, and the metal sweeps are prevented from gathering in the hole to influence the processing precision;
(4) the utility model provides a blind hole honing reamer, the expansion gap and the chip groove on the cutter sleeve are spiral with equal spiral angles, so as to realize forced chip removal and improve the precision of finish work; the expansion notch and the chip groove are uniformly distributed around the outer wall of the cutter sleeve, so that the radial force applied to the cutter sleeve is uniform, and the processing precision is further ensured;
(5) the utility model provides a blind hole honing reamer, the outer wall plating of toper section has the abrasive material, makes its surface coarse, has increased the frictional force between toper section and the cutter sleeve, prevents to take place relative slip between the two, avoids taking place the cutter sleeve and does not appear along with the condition that the arbor rotates;
(6) the utility model provides a blind hole honing reamer, is provided with the handle of a knife portion that can dismantle fixed connection with the tool bit portion, makes things convenient for the dismouting, has improved machining efficiency;
(7) the utility model provides a blind hole honing reamer, the handle part and the head part adopt the detachable fixed connection mode of threaded connection, so that the disassembly and assembly between the handle part and the head part are more convenient;
(8) the utility model provides a blind hole honing reamer, designs the handle of a knife portion into flexible coupling main handle and vice handle of a knife together, makes the cutter have the float characteristic, improves the machining precision;
(9) the utility model provides a pair of blind hole honing reamer, main handle of a knife and vice handle of a knife pass through the universal joint and connect for the cutter can be to arbitrary radial floating all around.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the tool bit of the present invention;
fig. 3 is a schematic view of the three-dimensional structure of the middle knife pouch of the present invention.
In the drawings: 1. a shank portion; 11. a main knife handle; 12. an auxiliary tool shank; 2. a cutter head portion; 21. a knife sheath; 211. expanding the gap; 212. a chip groove; 22. a cutter shaft; 221. a tapered section; 222. a threaded segment; 223. a connecting end; 23. and feeding the nut.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation.
Example 1
Referring to fig. 1 and 2, the blind hole honing reamer provided in this embodiment includes a tool head portion 2, the tool head portion 2 includes a tool sleeve 21, a tool shaft 22 and a feed nut 23, one end of the tool shaft 22 is a tapered section 221 tapered inward from the end, i.e., tapered from the end of the tool shaft 22 to the middle thereof, the tool sleeve 21 has a tapered inner cavity matched with the tapered section 221, the tool sleeve 21 is sleeved on and mounted to cover the tapered section 221 from the other end of the tool shaft 22, the middle of the tool shaft 22 has a threaded section 222 connected to the tapered section 221, and the feed nut 23 is screwed on the threaded section 222 and abuts against the end of the tool sleeve 21.
Because the cutter sleeve 21 is sleeved from one end of the cutter shaft 22, is installed on the conical section 221 at the other end and is locked by the cutter feeding nut 23, the cutter sleeve 21 completely covers the tail end of the cutter shaft 22, and therefore, in the application of honing blind holes, the cutter sleeve can be processed to the bottom of the hole, and the cutter sleeve can be processed to a deeper length than that of the existing common honing reamer.
Referring to fig. 3, in the embodiment, an expansion notch 211 for axially cutting the cutter sleeve 21 is formed in the outer wall of the cutter sleeve 21, the cutter sleeve 21 is pushed towards the tail end by rotating the cutter feeding nut 23, so that the outer diameter of the cutter sleeve 21 is expanded, and the hole wall of the blind hole is ground layer by layer, so that the cutter does not need to be replaced in the machining process, the machining efficiency is improved, meanwhile, the abrasion of the cutter can be compensated, and the service life of the cutter can be prolonged to the maximum extent; the cutter feeding nut 23 is rotated reversely, so that the outer diameter of the cutter sleeve 21 can be contracted. Compared with the existing honing tool with the tile-type honing bar structure, the tool in the embodiment has the advantages that the force applied by the cutter shaft 22 to each part of the inner wall of the tool sleeve 21 is more uniform during adjustment, and each part of the tool sleeve 21 contracts and expands synchronously, so that the honing precision is higher.
In addition, referring to fig. 3, the outer wall of the tool sleeve 21 is further provided with a plurality of chip removal grooves 212 extending along the axial direction of the tool sleeve, and metal scraps generated by grinding enter the chip removal grooves 212 and are discharged from the chip removal grooves 212 to the blind hole opening, so that the metal scraps generated by grinding can be timely discharged, and the metal scraps are prevented from being accumulated in the blind hole to influence the processing precision.
In this embodiment, referring to fig. 3, the expansion notch 211 and the chip removal groove 212 are spiral shapes with equal helical angles, when the tool rotates, the inner wall of the chip removal groove 212 generates a normal thrust to the metal scraps, so that the metal scraps can be forcibly discharged along the chip removal groove 212, and the spiral shape with the equal helical angles of the expansion notch 211 is also set to avoid the chip removal groove 212 from being disconnected from the middle part due to the intersection of the expansion notch 211 and the chip removal groove 212, thereby ensuring smooth chip removal; the expansion notch 211 and the chip discharge groove 212 are uniformly distributed around the outer wall of the knife pouch 21, so that the radial force applied to the outer wall of the knife pouch 21 is uniformly distributed.
Specifically, the helical angle of the expansion notch 211 and the chip discharge groove 212 is 0-70 degrees, preferably 30-45 degrees according to the working condition, the chip discharge resistance is small, and the chip discharge is smooth.
In this embodiment, the outer wall of the tapered section 221 is coated with an abrasive material, so that the surface thereof is rough, the friction force between the tapered section 221 and the cutter sleeve 21 is increased, the relative sliding between the two is prevented, and the situation that the cutter sleeve 21 does not rotate along with the cutter shaft 22 is avoided.
The blind hole honing reamer in the embodiment can solve the problems that a conventional honing cutter is not easy to machine to the bottom of a hole and the machining depth is small, meanwhile, the cutter size can be compensated and adjusted, the service life of the cutter can be prolonged to the maximum degree, the expansion and contraction adjusting operation is simple, the adjustability is good, the expansion and contraction of the cutter sleeve 21 are uniform, and the honing precision is high.
Example 2
The basic structure of the blind hole honing reamer of this embodiment is the same as that of embodiment 1, and the difference and improvement lies in that, referring to fig. 1, in this embodiment, a tool shank portion 1 is further included, and the tool shank portion 1 is detachably and fixedly connected with the tool head portion 2. When the tool sleeve 21 is disassembled and replaced, only the tool head part 2 needs to be disassembled from the tool shank part 1, the tool does not need to be integrally disassembled from the honing machine, and the processing efficiency is improved.
Specifically, one end of the tool shank portion 1 is provided with a threaded hole, and the connecting end 223 of the tool shaft 22 is screwed into the threaded hole. The tool shank part 1 and the tool head part 2 are in threaded connection in a detachable fixed connection mode, so that the tool shank part and the tool head part are more convenient to disassemble and assemble.
The blind hole honing reamer in the embodiment is designed to be of a detachable structure comprising the cutter handle part 1 and the cutter head part 2, so that the blind hole honing reamer is convenient to detach and mount in the honing process, and the production and processing efficiency is improved.
Example 3
The basic structure of the blind hole honing reamer of the embodiment is the same as that of the embodiment 2, and the difference and the improvement are that, referring to fig. 1, the tool shank part 1 comprises a main tool shank 11 and an auxiliary tool shank 12; one end of the auxiliary tool shank 12 is flexibly connected with one end of the main tool shank 11, so that the auxiliary tool shank 12 has a degree of freedom of radial floating relative to the main tool shank 11; the other end of the auxiliary knife handle 12 is detachably and fixedly connected with the knife shaft 22. The cutter handle part 1 is designed to be flexibly connected with the main cutter handle 11 and the auxiliary cutter handle 12, so that the cutter has a floating characteristic, and the machining precision is improved.
Specifically, the main tool shank 11 and the auxiliary tool shank 12 are connected through a universal joint, so that the tool can float in any radial direction around, the flexibility of contact with a workpiece is good during honing, and the processing precision is further improved.
In the blind hole honing reamer in the embodiment, the handle part 1 is designed into two parts in flexible connection, so that the cutter has the floating processing characteristic, and the processing precision is higher.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a blind hole honing reamer which characterized in that: the cutter head comprises a cutter head part (2), wherein the cutter head part (2) comprises a cutter sleeve (21), a cutter shaft (22) and a feed nut (23), one end of the cutter shaft (22) is a conical section (221) which is gradually reduced from the tail end inwards, the cutter sleeve (21) is provided with a conical inner cavity matched with the conical section (221), the cutter sleeve (21) is sleeved in from the other end of the cutter shaft (22) and is installed to cover the conical section (221), a threaded section (222) connected with the conical section (221) is arranged in the middle of the cutter shaft (22), and the feed nut (23) is screwed on the threaded section (222) and abuts against the end part of the cutter sleeve (21).
2. The blind hole honing reamer of claim 1, wherein: the outer wall of the knife sleeve (21) is provided with an expansion notch (211) for axially cutting the knife sleeve.
3. The blind hole honing reamer of claim 2, wherein: the outer wall of the knife sleeve (21) is also provided with a plurality of chip grooves (212) extending along the axial direction of the knife sleeve.
4. The blind hole honing reamer of claim 3, wherein: the expansion notch (211) and the chip groove (212) are spiral with equal spiral angles and are uniformly distributed around the outer wall of the knife sleeve (21).
5. The blind hole honing reamer of claim 4, wherein: the spiral angle of the expansion notch (211) and the chip groove (212) is 0-70 degrees.
6. The blind hole honing reamer of any one of claims 1 to 5, wherein: the outer wall of the conical section (221) is coated with an abrasive.
7. The blind hole honing reamer of any one of claims 1 to 5, wherein: the knife head part (2) is detachably and fixedly connected with the knife handle part (1).
8. The blind hole honing reamer of claim 7, wherein: one end of the cutter handle part (1) is provided with a threaded hole, and a connecting end (223) on the cutter shaft (22) is in threaded connection with the threaded hole.
9. The blind hole honing reamer of claim 8, wherein: the knife handle part (1) comprises a main knife handle (11) and an auxiliary knife handle (12), one end of the auxiliary knife handle (12) is flexibly connected with one end of the main knife handle (11), and the other end of the auxiliary knife handle (12) is detachably and fixedly connected with the knife shaft (22).
10. The blind hole honing reamer of claim 9, wherein: the main knife handle (11) and the auxiliary knife handle (12) are connected through a universal joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022767.9U CN210099711U (en) | 2019-07-03 | 2019-07-03 | Blind hole honing reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022767.9U CN210099711U (en) | 2019-07-03 | 2019-07-03 | Blind hole honing reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210099711U true CN210099711U (en) | 2020-02-21 |
Family
ID=69567879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921022767.9U Active CN210099711U (en) | 2019-07-03 | 2019-07-03 | Blind hole honing reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210099711U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770908A (en) * | 2021-09-26 | 2021-12-10 | 江苏耐尔特钻石有限公司 | Special honing rod with compensation function for through hole machining |
| CN114147546A (en) * | 2021-10-19 | 2022-03-08 | 国营芜湖机械厂 | Manual grinding method for blind hole of hydraulic pump rotor |
| CN115041929A (en) * | 2022-07-08 | 2022-09-13 | 重庆红江机械有限责任公司 | High-precision blind hole machining method |
-
2019
- 2019-07-03 CN CN201921022767.9U patent/CN210099711U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770908A (en) * | 2021-09-26 | 2021-12-10 | 江苏耐尔特钻石有限公司 | Special honing rod with compensation function for through hole machining |
| CN114147546A (en) * | 2021-10-19 | 2022-03-08 | 国营芜湖机械厂 | Manual grinding method for blind hole of hydraulic pump rotor |
| CN115041929A (en) * | 2022-07-08 | 2022-09-13 | 重庆红江机械有限责任公司 | High-precision blind hole machining method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210099711U (en) | Blind hole honing reamer | |
| JP3839482B2 (en) | Cutting tool | |
| US5137098A (en) | Diamond tool for drilling and routing | |
| US6241433B1 (en) | Tool and cutting head for cutting machining | |
| US5873423A (en) | Frustum cutting bit arrangement | |
| US8561509B2 (en) | Mechanical-activated ID grooving tool | |
| CN101035642B (en) | A tool with a non-circular connecting end | |
| US20180252044A1 (en) | Earth-boring tools including bearing element assemblies, and related methods | |
| JP2011161583A (en) | Head attaching and detaching type cutting tool | |
| KR102165842B1 (en) | Drilling tool and method for producing drill holes | |
| CN104148709A (en) | Trepanning tool | |
| US20240003192A1 (en) | Continuous Sampling Drill Bit | |
| JP5455089B2 (en) | Head detachable cutting tool | |
| US20150298224A1 (en) | Rotating tool and tool head | |
| US3137208A (en) | Chamfering tool | |
| CN210388779U (en) | Flexible through hole honing reamer | |
| US2979993A (en) | Rock drill bit and method of manufacturing same | |
| CN210099710U (en) | Honing reamer sleeve and honing reamer | |
| CN114274039A (en) | Hand-adjusting reaming and honing cutter | |
| US2133022A (en) | Rotary drill bit | |
| CN214557919U (en) | Roll finishing reamer integral type cutter | |
| CN209737315U (en) | Honing cutter and machine tool | |
| CN216265331U (en) | Honing stick | |
| CN213945149U (en) | Electroplating reaming honing rod | |
| CN218875035U (en) | Honing head for vertical honing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |