CN212762331U - Convenient-to-replace cutting knife handle for machine tool - Google Patents
Convenient-to-replace cutting knife handle for machine tool Download PDFInfo
- Publication number
- CN212762331U CN212762331U CN202021275983.7U CN202021275983U CN212762331U CN 212762331 U CN212762331 U CN 212762331U CN 202021275983 U CN202021275983 U CN 202021275983U CN 212762331 U CN212762331 U CN 212762331U
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- wall
- knife handle
- sliding
- knife
- main body
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Abstract
The utility model discloses a lathe is with cutting handle of a knife convenient to change, belong to machining and be equipped with technical field, a lathe is with cutting handle of a knife convenient to change, including main shaft and handle of a knife main part, sliding connection has the thread bush on the outer wall of handle of a knife main part, set up the second external screw thread that matches with the thread bush on the outer wall of main shaft, the screwing up direction of screw hole and first external screw thread is opposite with the screwing up direction of thread bush and second external screw thread, set up the fixed slot of mutual intercommunication on the lateral wall of thread bush and handle of a knife main part, the inside sliding connection of fixed slot has the dead lever, the dead lever is located and has concatenated first spring on the pole wall inside the fixed slot, sliding connection has the sliding sleeve on the outer wall of handle of a knife; the utility model discloses can improve the stability of being connected of handle of a knife main part and main shaft, prevent that the long-term shake of handle of a knife main part from taking place not hard up.
Description
Technical Field
The utility model relates to a machining equipment technical field especially relates to a lathe is with cutting handle of a knife of being convenient for change.
Background
The cutting machine tool is a common device used in cutting processing, when in use, a cutting tool is connected with a rotating shaft of the cutting machine tool through a tool handle, and the rotating shaft drives the tool to rotate so as to carry out cutting processing on a workpiece; therefore, the connection between the cutting tool and the main shaft of the cutting machine plays an important role in the smooth implementation of cutting processing; the tool holder is a connecting piece for the mechanical main shaft, the tool and other accessory tools, when the cutting tool is worn after long-term use, the tool holder needs to be taken down from the tool holder, and in order to enable the tool holder to be reusable, the tool holder also needs to be installed on the main shaft of the machine tool, so that the tool holder is convenient to replace and use.
And at present a lot of handle of a knife all are direct through threaded connection on the main shaft of lathe, when the lathe at the during operation main shaft can drive handle of a knife and smear metal sword high-speed rotatory and workpiece collision, can take place the shake, so the handle of a knife can become flexible gradually for a long time to can cause the influence to the smear metal work.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems in the prior art and providing a cutting knife handle convenient to replace for a machine tool.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cutting knife handle convenient to replace for a machine tool comprises a main shaft and a knife handle main body, wherein the top of the knife handle main body is provided with a first external thread, the bottom of the main shaft is provided with a threaded hole matched with the first external thread, the outer wall of the knife handle main body is connected with a threaded sleeve in a sliding way, the outer wall of the main shaft is provided with a second external thread matched with the thread sleeve, the screwing direction of the thread hole and the first external thread is opposite to the screwing direction of the thread sleeve and the second external thread, the side walls of the thread bush and the knife handle main body are provided with fixing grooves which are mutually communicated, the inside of each fixing groove is connected with a fixing rod in a sliding way, the wall of the fixed rod positioned in the fixed groove is connected with a first spring in series, the outer wall of the knife handle main body is connected with a sliding sleeve in a sliding way, and the sliding sleeve is rotatably connected with the bottom of the threaded sleeve, and the bottom of the sliding sleeve is connected with a buffer assembly.
Preferably, the buffer assembly comprises an L-shaped sliding barrel, a pressing rod, a second spring and a pressing pad, the L-shaped sliding barrel is connected to the bottom of the sliding sleeve in a sliding mode, the pressing rod is connected to the inside of the horizontal section of the L-shaped sliding barrel in a sliding mode, the second spring is connected between the pressing rod and the inner side wall of the L-shaped sliding barrel, and the pressing pad is connected with one end, located outside the L-shaped sliding barrel, of the pressing rod.
Preferably, the bottom of sliding sleeve has seted up the spout, L type slide cartridge sliding connection is in the inside of spout, threaded connection has the screw rod on the lateral wall of sliding sleeve, just the screw rod is located the inside one end of spout and is rotated with the lateral wall of L type slide cartridge and be connected.
Preferably, the outer wall of the fixing rod and the inner wall of the fixing groove are made of magnets with magnetic poles attracting each other.
Preferably, the outer side wall of the knife handle main body is connected with a plurality of groups of radiating fins distributed at equal intervals.
Compared with the prior art, the utility model provides a lathe is with cutting handle of a knife convenient to change possesses following beneficial effect:
1. the cutting knife handle convenient to replace for the machine tool comprises a knife handle body, wherein the knife handle body is screwed into a threaded hole of a main shaft through a first external thread on the outer portion of the knife handle body when the knife handle body needs to be replaced, a threaded sleeve slides upwards to abut against the main shaft, a fixed rod is firstly pulled out to the outer portion of the threaded sleeve to enable a first spring to be stressed and compressed, then the threaded sleeve is screwed on the outer portion of the main shaft through mutual matching of a rotary threaded sleeve and a second external thread on the outer portion of the main shaft, the fixed rod is driven to be flicked into a fixed groove to fix a fixed sleeve and the knife handle body together by loosening a first spring of the fixed rod, the fixed rod can be prevented from moving in the fixed groove through the fixed rod and the fixed groove which are attracted by magnetic poles, the stability of connection of the knife handle body and the main shaft is further improved, so that the knife, and because the screwing direction of the threaded hole and the first external thread is opposite to that of the threaded sleeve and the second external thread, therefore, the tool holder main body is connected with the main shaft more and more tightly no matter the tool holder main body shakes to rotate forwards or reversely, and moves towards the inner part of the sliding groove by rotating the screw rod, thereby the L-shaped sliding barrel can be extruded to move, the pressure rod drives the pressure pad to be abutted against the outer part of the knife handle main body, when the knife handle main body shakes, the pressure pad and the pressure rod can be extruded, at the moment, the second spring can play a role in buffering the pressure rod, thereby playing a role of buffering and damping the tool handle main body, preventing the tool handle main body from shaking and colliding with the main shaft to cause damage, the heat dissipation fins can dissipate heat of the tool shank main body, prevent the tool shank main body from heating and damaging when the tool shank main body rotates at a high speed to drive the cutting tool to process a workpiece, therefore, the connection stability of the knife handle main body and the main shaft can be improved, and the knife handle main body is prevented from shaking for a long time and loosening.
Drawings
FIG. 1 is a schematic view of a replaceable cutting tool shank for a machine tool according to the present invention;
fig. 2 is a second schematic structural view of a conveniently replaceable cutting tool shank for a machine tool according to the present invention;
FIG. 3 is a schematic view of the connection between the main shaft of the cutting tool shank and the inside of the tool shank for the machine tool, which is provided by the utility model and is convenient to replace;
fig. 4 is the utility model provides a lathe is with buffering subassembly schematic structure of cutting handle of a knife convenient to change.
In the figure: 1. a main shaft; 101. a threaded hole; 102. a second external thread; 2. a knife handle main body; 201. a first external thread; 3. a threaded sleeve; 301. fixing grooves; 4. a sliding sleeve; 401. a chute; 5. fixing the rod; 6. a first spring; 7. an L-shaped slide cylinder; 8. a pressure lever; 9. a second spring; 10. a pressure pad; 11. a screw; 12. and (4) radiating fins.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-4, a cutting knife handle convenient for replacement for a machine tool comprises a main shaft 1 and a knife handle main body 2, a first external thread 201 is arranged at the top of the knife handle main body 2, a threaded hole 101 matched with the first external thread 201 is arranged at the bottom of the main shaft 1, a thread bush 3 is slidably connected on the outer wall of the knife handle main body 2, a second external thread 102 matched with the thread bush 3 is arranged on the outer wall of the main shaft 1, the screwing direction of the threaded hole 101 and the first external thread 201 is opposite to the screwing direction of the thread bush 3 and the second external thread 102, fixing grooves 301 communicated with each other are arranged on the side walls of the thread bush 3 and the knife handle main body 2, a fixing rod 5 is slidably connected inside the fixing grooves 301, a first spring 6 is connected on the rod wall inside the fixing grooves 301 in series, a sliding sleeve 4 is connected on the outer wall of the knife handle main body 2, and, the bottom of the sliding sleeve 4 is connected with a buffer component;
the buffer assembly comprises an L-shaped sliding barrel 7, a pressure rod 8, a second spring 9 and a pressure pad 10, the L-shaped sliding barrel 7 is connected to the bottom of the sliding sleeve 4 in a sliding mode, the pressure rod 8 is connected to the inside of the horizontal section of the L-shaped sliding barrel 7 in a sliding mode, the second spring 9 is connected between the pressure rod 8 and the inner side wall of the L-shaped sliding barrel 7, and the pressure pad 10 is connected with one end, located outside the L-shaped sliding barrel 7, of the pressure rod 8;
the bottom of the sliding sleeve 4 is provided with a sliding groove 401, the L-shaped sliding barrel 7 is connected inside the sliding groove 401 in a sliding manner, the side wall of the sliding sleeve 4 is connected with a screw rod 11 in a threaded manner, and one end of the screw rod 11, which is positioned inside the sliding groove 401, is rotatably connected with the side wall of the L-shaped sliding barrel 7;
the outer wall of the fixed rod 5 and the inner wall of the fixed groove 301 are made of magnets with magnetic poles attracting each other;
the outer side wall of the knife handle main body 2 is connected with a plurality of groups of radiating fins 12 which are distributed at equal intervals.
When the tool holder main body 2 needs to be replaced, the tool holder main body 2 is screwed into the threaded hole 101 of the spindle 1 through the first external thread 201 on the outer portion of the tool holder main body, then the threaded sleeve 3 slides upwards to abut against the spindle 1, the fixing rod 5 is firstly pulled out to the outer portion of the threaded sleeve 3 to enable the first spring 6 to be stressed and compressed, then the threaded sleeve 3 is rotated to be matched with the second external thread 102 on the outer portion of the spindle 1 to enable the threaded sleeve 3 to be screwed on the outer portion of the spindle 1, at the moment, the fixing rod 5 is loosened, the first spring 6 can drive the fixing rod 5 to be bounced into the fixing groove 301 to fix the threaded sleeve 3 and the tool holder main body 2 together, the fixing rod 5 and the fixing groove 301 which are attracted by magnetic poles can prevent the fixing rod 5 from moving inside the fixing groove 301, the stability of connection between the tool holder main body 2 and the spindle 1 is further improved, therefore, the chip knife can collide with a workpiece to enable the knife handle main body 2 to shake continuously, and the screwing direction of the threaded hole 101 and the first external thread 201 is opposite to that of the threaded sleeve 3 and the second external thread 102, so that the knife handle main body 2 is connected with the main shaft 1 more and more tightly no matter the knife handle main body 2 shakes forward or backward, the screw rod 11 is rotated to move towards the inside of the sliding groove 401, the L-shaped sliding barrel 7 can be extruded to move, the pressing rod 8 drives the pressing pad 10 to abut against the outside of the knife handle main body 2, the pressing pad 10 and the pressing rod 8 can be extruded when the knife handle main body 2 shakes, the second spring 9 can buffer the pressing rod 8, the buffer and shock absorption effect can be achieved on the knife handle main body 2, the knife handle main body 2 is prevented from being damaged due to collision between the shaking of the knife handle main body 2 and the main shaft 1, the heat dissipation fins 12 can dissipate heat from the knife handle main body 2, and prevent the, therefore, the connection stability of the tool holder main body 2 and the main shaft 1 can be improved, and the tool holder main body 2 is prevented from shaking for a long time and loosening.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A cutting knife handle convenient to replace for a machine tool comprises a main shaft (1) and a knife handle main body (2), wherein a first external thread (201) is formed in the top of the knife handle main body (2), a threaded hole (101) matched with the first external thread (201) is formed in the bottom of the main shaft (1), the cutting knife handle is characterized in that a threaded sleeve (3) is connected to the outer wall of the knife handle main body (2) in a sliding mode, a second external thread (102) matched with the threaded sleeve (3) is formed in the outer wall of the main shaft (1), the screwing directions of the threaded hole (101) and the first external thread (201) are opposite to those of the threaded sleeve (3) and the second external thread (102), fixing grooves (301) communicated with each other are formed in the side walls of the threaded sleeve (3) and the knife handle main body (2), and fixing rods (5) are connected to the inside of the fixing grooves (, the fixed rod (5) is located and has concatenated first spring (6) on the pole wall of fixed slot (301) inside, sliding connection has sliding sleeve (4) on the outer wall of handle of a knife main part (2), just sliding sleeve (4) are rotated with the bottom of thread bush (3) and are connected, the bottom of sliding sleeve (4) is connected with buffer unit.
2. The easy-to-replace cutting tool shank for the machine tool according to claim 1 is characterized in that the buffer assembly comprises an L-shaped sliding barrel (7), a pressure rod (8), a second spring (9) and a pressure pad (10), the L-shaped sliding barrel (7) is slidably connected to the bottom of the sliding sleeve (4), the pressure rod (8) is slidably connected to the inside of the horizontal section of the L-shaped sliding barrel (7), the second spring (9) is connected between the pressure rod (8) and the inner side wall of the L-shaped sliding barrel (7), and the pressure pad (10) is connected with one end, located outside the L-shaped sliding barrel (7), of the pressure rod (8).
3. The easy-to-replace cutting tool shank for the machine tool according to claim 2 is characterized in that a sliding groove (401) is formed in the bottom of the sliding sleeve (4), the L-shaped sliding cylinder (7) is slidably connected inside the sliding groove (401), a screw rod (11) is in threaded connection with the side wall of the sliding sleeve (4), and one end, located inside the sliding groove (401), of the screw rod (11) is rotatably connected with the side wall of the L-shaped sliding cylinder (7).
4. The easy-to-replace cutting tool shank for a machine tool according to claim 1, characterized in that the outer wall of the fixing rod (5) and the inner wall of the fixing groove (301) are made of magnets with attracted magnetic poles.
5. The easy-to-replace cutting tool shank for a machine tool according to claim 1, characterized in that a plurality of sets of equidistantly distributed heat dissipating fins (12) are connected to the outer side wall of the tool shank body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021275983.7U CN212762331U (en) | 2020-07-03 | 2020-07-03 | Convenient-to-replace cutting knife handle for machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021275983.7U CN212762331U (en) | 2020-07-03 | 2020-07-03 | Convenient-to-replace cutting knife handle for machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212762331U true CN212762331U (en) | 2021-03-23 |
Family
ID=75085481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021275983.7U Expired - Fee Related CN212762331U (en) | 2020-07-03 | 2020-07-03 | Convenient-to-replace cutting knife handle for machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212762331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115122275A (en) * | 2022-07-22 | 2022-09-30 | 东莞市宝科精密机械有限公司 | ATC (automatic transfer control) tool handle disassembling method and ATC tool handle automatic disassembling mechanism |
-
2020
- 2020-07-03 CN CN202021275983.7U patent/CN212762331U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115122275A (en) * | 2022-07-22 | 2022-09-30 | 东莞市宝科精密机械有限公司 | ATC (automatic transfer control) tool handle disassembling method and ATC tool handle automatic disassembling mechanism |
| CN115122275B (en) * | 2022-07-22 | 2024-03-22 | 东莞市宝科精密机械有限公司 | ATC knife handle dismounting method and ATC knife handle automatic dismounting mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 Termination date: 20210703 |