CN216575734U - Whirlwind milling cutter system for machining worm threads instead of turning - Google Patents
Whirlwind milling cutter system for machining worm threads instead of turning Download PDFInfo
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- CN216575734U CN216575734U CN202123426124.0U CN202123426124U CN216575734U CN 216575734 U CN216575734 U CN 216575734U CN 202123426124 U CN202123426124 U CN 202123426124U CN 216575734 U CN216575734 U CN 216575734U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a processing worm screw thread replaces lathe work's whirlwind milling cutter system, include: the milling cutter comprises a cyclone milling blade, a blade front angle, a blade back angle, a left side back angle, a right side back angle, a blade screw hole, a cutter holder, an eccentric cutter holder screw hole, a cutter holder upper positioning groove, a blade fastening screw, a cutter holder handle part, a cutter holder positioning surface, a cutter holder countersunk hole, a cutter positioning groove, a cutter screw hole and a cutter holder fastening screw; the periphery of the cyclone milling blade is respectively provided with a blade front angle, a blade rear angle, a left side rear angle and a right side rear angle, and the middle part of the cyclone milling blade is provided with a blade screw hole; the utility model provides an every kind of product of turning worm screw all need solitary cutter arbor to process to and the extravagant problem that wastes time and energy of cost and adjustment that production efficiency caused.
Description
Technical Field
The utility model relates to a from cutter technical field, specifically be a processing worm screw replaces lathe work's whirlwind milling cutter system.
Background
In the mechanical manufacturing industry, for the arrangement of the common thread producing and worm thread processing technology, most automobile parts are manufactured by mainly turning production, the turning production of threads is generally thread layered processing, the thread cutting in the layered processing needs multiple times of multi-tool processing to process finished products, the time for processing a single piece is long generally, and the tooth form and tooth wall finish degree of the processed thread cannot be well guaranteed, because the turning processing is single thread blade processing, the quality and stability of the thread processing are directly affected as long as the cutting edge of the used thread blade is broken, the abrasion or the breakage is directly caused, particularly in the worm thread processing, because the worm thread is not a common thread, is matched with a worm wheel and is generally used in the occasions of precision transmission, high-speed transmission or torque transmission, the requirements on the worm thread processing are extremely strict, not only is the requirement on dimensional accuracy, but also has relevant specific accuracy and dimensional requirements on tooth form angle, tooth depth, tooth pitch, tooth wall smoothness, major diameter, minor diameter and three-pin pitch diameter measurement. And under the requirement of ordinary screw thread, the worm screw thread has still had a thread lead angle to guarantee, and it is extremely troublesome to make with ordinary machinery, if use traditional technology lathe work, need carry out the cutter arbor transformation, but the lathe clamping position has restricted the transformation of cutter arbor, even the cutter arbor that finishes also can only be exclusively used in the use of this kind of product, can no longer be applicable to the processing of other products. And the common thread vertical-mounted turning insert and other turning tool bars are all positioned in a downward mode (as shown in figure 1) to ensure the positioning of the insert in a supporting mode. When the screw breaks the blade and does not have the clamp force and the cutter arbor breaks away from, the blade directly will hit cutter arbor location support position and scrap, and the screw, blade, cutter arbor all can scrap, cause very big cost waste. When the threaded blade is vertically installed in machining, the threaded blade is also machined through a lower positioning mode cutter bar, under the condition that an equivalent blade blank base body is used, because the cutter bar is clamped in a lower positioning mode, when the machining modulus is large, namely under the condition that the thread depth is deep, a grinding wheel for grinding the worm blade is often contacted with the cutter bar (as shown in figure 2), the grinding wheel is collided, or the cutter bar is machined by the grinding wheel to support and position the cutter bar, the cutter bar is rotated or is not firm when being installed, and machining cannot be conducted. The technical problems always plague blade manufacturers and manufacturers using the blades to process the worm, and the blade cannot be well improved and solved.
SUMMERY OF THE UTILITY MODEL
To prior art's not enough, the application discloses a whirlwind milling cutter system that processing worm screw thread replaces lathe work includes: the milling cutter comprises a cyclone milling blade, a blade front angle, a blade back angle, a left side back angle, a right side back angle, a blade screw hole, a cutter holder, an eccentric cutter holder screw hole, a cutter holder upper positioning groove, a blade fastening screw, a cutter holder handle part, a cutter holder positioning surface, a cutter holder countersunk hole, a cutter positioning groove, a cutter screw hole and a cutter holder fastening screw;
the cyclone milling blade is characterized in that a blade front angle, a blade rear angle, a left side rear angle and a right side rear angle are respectively arranged on the periphery of the cyclone milling blade, a blade screw hole is formed in the middle of the cyclone milling blade, an eccentric type cutter holder screw hole and a positioning groove used for accommodating the cyclone milling blade are formed in the cutter holder, a blade fastening screw passes through the blade screw hole and the eccentric type cutter holder screw hole and is fixed on the cutter holder, a cutter holder handle part is arranged on one side of the cutter holder, the upper end face of the cutter holder handle part is a cutter holder positioning face, a cutter holder countersunk hole is formed in the middle of the cutter holder positioning face, a plurality of cutter head positioning grooves are formed in the periphery of the cutter head, a cutter head screw hole is formed in each cutter head positioning groove, and the cutter head handle part is fixed on each cutter head positioning groove through the cutter holder fastening screw.
Preferably, the device further comprises a workpiece guide sleeve, and the workpiece guide sleeve is used for radially fixing the machined workpiece.
Preferably, a cutter head countersunk hole is formed in the cutter head.
The utility model discloses following beneficial effect has: through the turning change milling to prior art, on the basis that original work piece is rotatory, make the work piece low-speed rotatory, the blade disc is along the center of work piece, drive cutter holder and whirlwind milling cutter piece and rotate at a high speed together, and do axial displacement along the work piece excircle and mill processing, the production time of part has not only been saved, production efficiency improves more than 5 times, the use cost of cutter has still been reduced, whirlwind milling processing generally adopts the processing of clamping multiple blade form, when high-speed milling, the multiple blade cuts the cutting output that has reduced every blade simultaneously, make blade load reduce by a wide margin, also make blade reducing wear, the production quantity has been improved by a wide margin, the use amount of cutter has been reduced, the cost of manufacturing has been saved, tool changing time has been reduced, production efficiency has also been improved by a wide margin. The adjustable tool rest is fastened on a tool rest at the equipment end of a machine tool through a tool pan countersunk hole of the tool pan, the lead angle required by the angle adjustment of the adjustable tool rest is adjusted through the equipment end, the tool pan of the tool rest is adjusted leftwards through the threads of a right-handed worm, namely the negative deflection, and the tool pan of the tool rest is adjusted rightwards through the threads of a left-handed worm, namely the positive deflection. The required worm thread can be directly machined without replacing a tool holder and a cutter head and replacing the cyclone milling blade which needs to be used. The problems that each product for turning the worm thread needs to be processed by an independent cutter bar, the cost is wasted, and the adjustment is time-consuming and labor-consuming are solved.
Drawings
FIG. 1 is a schematic view of a lower positioning type structure in a common turning process of the prior art;
FIG. 2 is a schematic view of a contact structure between a lower positioning type middle grinding wheel and a cutter bar in common turning in the prior art;
FIG. 3 is a schematic structural view of the whirling cutter system for machining worm threads instead of turning according to the present invention;
FIG. 4 is a schematic side view of the cross-sectional structure of the whirling cutter system for machining worm threads instead of turning according to the present invention;
FIG. 5 is a schematic top view of the tool holder of the whirling cutter system for machining worm threads instead of turning according to the present invention;
FIG. 6 is a side view cross-sectional structural view of the tool holder of the whirling cutter system for machining worm threads instead of turning according to the present invention;
FIG. 7 is a schematic top view of a milling cutter blade of the milling worm screw system of the present invention in place of turning;
fig. 8 is the utility model discloses the whirling cutter piece of whirling cutter system that processing worm screw thread replaces lathe work looks sideways at the schematic diagram.
The attached drawings are as follows:
1. a cyclone milling blade; 2. a blade rake angle; 3. a blade relief angle; 4. a left side relief angle; 5. a right side relief angle; 6. a blade screw hole; 7. a tool holder; 8. an eccentric toolholder screw hole; 9. a positioning groove is arranged on the cutter holder; 10. a blade fastening screw; 11. a toolholder shank; 12. a tool holder positioning surface; 13. a tool holder counterbore; 14. a cutter head; 15. a cutter head positioning groove; 16. a cutter head screw hole; 17. a toolholder fastening screw; 18. a workpiece guide sleeve; 19. a cutter head countersunk hole.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
According to the specific embodiment of the present invention shown in fig. 3-8, there is provided a whirling cutter system for machining worm threads instead of turning, comprising: the milling cutter comprises a cyclone milling blade 1, a blade front angle 2, a blade rear angle 3, a left rear angle 4, a right rear angle 5, a blade screw hole 6, a cutter holder 7, an eccentric cutter holder screw hole 8, a cutter holder upper positioning groove 9, a blade fastening screw 10, a cutter holder handle 11, a cutter holder positioning surface 12, a cutter holder countersunk hole 13, a cutter 14, a cutter positioning groove 15, a cutter screw hole 16 and a cutter holder fastening screw 17;
Preferably, the workpiece machining device further comprises a workpiece guide sleeve 18, and the workpiece guide sleeve 18 is used for radially fixing the machined workpiece.
Preferably, the cutter head 14 is provided with a cutter head counter sink 19.
According to the technical scheme, the cyclone milling cutter system for processing worm threads instead of turning is provided, the cyclone milling cutter 1 is provided with a front blade angle 2, a rear blade angle 3, a rear left side angle 4 and a rear right side angle 5 at the periphery, the top of the cyclone milling cutter is provided with a blade screw hole 6, the cyclone milling cutter 1 is arranged in a positioning groove 9 on a cutter holder of the cutter holder 7 through a blade fastening screw 10, one side of the cutter holder 7 is provided with a cutter holder handle 11, the cutter holder 7 is provided with a cutter holder countersunk hole 13, the periphery of a cutter 14 is provided with a plurality of cutter head screw holes 16 and cutter head positioning grooves 15, the cutter holder fastening screw 17 passes through the cutter head countersunk hole 13 to fix the cutter holder 7 in the cutter head positioning groove 15, the cutter head countersunk hole 19 is used for assembling and fixing with a cutter head holder at machine tool equipment, the cutter head 14 is fixed on the cutter holder of the machine tool equipment, a processed workpiece passes through a workpiece guide sleeve 18, the cutter carries out whirlwind milling processing on the workpiece at a high rotating speed.
When the cyclone milling blade 1 needs to be ground, the cyclone milling blade 1 is placed into the positioning groove 9 on the tool holder of the tool holder 7 in the same way, the blade fastening screw 10 penetrates through the blade screw hole 6 to be fixed into the positioning groove 9 on the tool holder, the tool holder positioning surface 12 of the tool holder 7 is clamped on the bench vice of the blade grinding device, the tool holder 7 is fixed by the clamping bench vice, and the grinding wheel can be used for grinding the cyclone milling blade 1.
Insert rake, insert relief, left relief, right relief and insert screw hole design
The cyclone milling blade 1 is provided with a blade front angle 2, a blade rear angle 3, a left side rear angle 4, a right side rear angle 5 and a blade screw hole 6, the sharpness of a tool is improved under the condition of ensuring wear resistance by increasing or increasing the blade front angle 2, the cutting is smoother, the left side rear angle 4 and the right side rear angle 5 of the blade are increased, the turning worm thread has no side rear angle, and the turning worm thread is easy to interfere with the processed worm thread during processing, so the cyclone milling blade 1 with the side rear angle is designed, the cutting friction between the cyclone milling blade and a workpiece is reduced, and the smoothness of the thread wall of the worm thread is improved. Adopt 6 mode clamping of blade screw hole, need not dismantle other cooperation subassemblies like other clamping modes for it is more convenient and fast to change the cutter.
Design of positioning groove and blade fastening screw on cutter holder
Because it is in high-speed processing, it is very many to meet uncertain factor, for example the work piece clamping is insecure to cause not hard uply or rock, lead to the cutter to break up the tooth or break up easily, because the blade has fastening screw to press from both sides tightly, the screw also can break immediately, make whirlwind milling cutter piece 1 drop with cutter holder 7, because there is constant head tank 9 on the cutter holder, so can not cause the damage to cutter holder 7 and other subassemblies when whirlwind milling cutter piece 1 drops with cutter holder 7, solved that positioning mode causes the blade to damage under any cutter design in the past and make the cutter arbor also cause condemned drawback, avoided some cutters unnecessary damage extravagant. In the event of a very severe crash or damage, it is also only necessary to replace the damaged tool holder 7, without the entire tool disk 14 being scrapped or damaged.
Design of eccentric tool holder screw hole
Namely, the center of the hole for installing the cyclone milling blade 1 is not concentric with the eccentric type cutter holder screw hole 8, namely, the center of the eccentric type cutter holder screw hole 8 is closer to the positioning groove 9 on the cutter holder relative to the center of the hole of the cyclone milling blade 1, and the eccentric distance is 0.1-0.2. When the cyclone milling blade 1 is clamped on the positioning groove 9 on the cutter holder, the eccentric extruding function is achieved, the cyclone milling blade 1 and the positioning groove 9 on the cutter holder are matched more firmly and stably, and the phenomenon of inaccurate deflection positioning cannot occur.
Design of workpiece guide sleeve
The workpiece passes through the workpiece guide sleeve 18 during high-speed cutting, so that the workpiece guide sleeve 18 plays a certain role in guiding and supporting the workpiece, the phenomena of vibration or displacement and shaking of the workpiece during high-speed cutting are solved and obviously improved, the smoothness of the thread wall of the worm thread is greatly improved, and the phenomena of vibration lines, fish scale lines and the like on the thread wall are avoided.
Design of positioning groove on tool holder
Make whirlwind milling blade 1 can not take place contact and collision with the cutter arbor in grinding process, solved in the past processing and used down the emery wheel collision that the location formula sword groove caused and scrap, cutter arbor lower locating surface and location sword groove are ground away by the emery wheel, do not have locating surface and support behind the blade clamping and cause the problem of unable location and clamping.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123426124.0U CN216575734U (en) | 2021-12-31 | 2021-12-31 | Whirlwind milling cutter system for machining worm threads instead of turning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123426124.0U CN216575734U (en) | 2021-12-31 | 2021-12-31 | Whirlwind milling cutter system for machining worm threads instead of turning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216575734U true CN216575734U (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123426124.0U Expired - Fee Related CN216575734U (en) | 2021-12-31 | 2021-12-31 | Whirlwind milling cutter system for machining worm threads instead of turning |
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| CN (1) | CN216575734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116252003A (en) * | 2023-05-09 | 2023-06-13 | 四川工程职业技术学院 | Processing device and processing method for processing spiral groove on cylindrical workpiece |
-
2021
- 2021-12-31 CN CN202123426124.0U patent/CN216575734U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116252003A (en) * | 2023-05-09 | 2023-06-13 | 四川工程职业技术学院 | Processing device and processing method for processing spiral groove on cylindrical workpiece |
| CN116252003B (en) * | 2023-05-09 | 2023-07-18 | 四川工程职业技术学院 | Processing method for processing spiral groove on cylindrical workpiece |
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| 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: 20220524 |