CN102328137A - Automatic machining mechanism for worm thread - Google Patents
Automatic machining mechanism for worm thread Download PDFInfo
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- CN102328137A CN102328137A CN201110027974A CN201110027974A CN102328137A CN 102328137 A CN102328137 A CN 102328137A CN 201110027974 A CN201110027974 A CN 201110027974A CN 201110027974 A CN201110027974 A CN 201110027974A CN 102328137 A CN102328137 A CN 102328137A
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- 238000003754 machining Methods 0.000 title abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 46
- 230000002950 deficient Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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- 239000012467 final product Substances 0.000 description 1
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Abstract
The invention discloses an automatic machining mechanism for a worm thread. The automatic machining mechanism comprises a machine body, a first driving device, a clamp and a hobbing device, wherein the first driving device comprises a cam drive shaft, a main shaft and a motor, the cam drive shaft is in drive connection with the motor, the main shaft is in drive connection with the cam drive shaft, and the clamp is arranged on the main shaft. The automatic machining mechanism is characterized in that the hobbing device comprises a support, a rocker arm, a sliding seat, a hob and a second drive device, wherein the rocker arm is hinged on the support, the sliding seat slides on the support, one end of the rocker arm is in contact with the sliding seat, the other end of the rocker arm is in contact with a cam on the cam drive shaft, the hob is in drive connection with the second drive device, the clamp is located at one side the hob, and the second drive device is in drive connection with the first drive device through a universal drive device. According to the automatic machining mechanism disclosed by the invention, the thread on a worm can be machined automatically, so that the threads on the worms produced in batches can be uniform in specification and low in defective index.
Description
Technical field
The present invention relates to the automatic processing device of screw thread on a kind of worm screw, belong to processing equipment.
Background technology
At present, worm screw is as one of parts of transmission mechanism, and it cooperates with worm gear, uses very extensively, more particularly has on the musical instrument of string, and is very high to the requirement of its precision.In general, worm screw all is to adopt lathe directly to process, this worm screw of processing with lathe, and its accuracy of thread is very poor, and is still passable for being used on the not high drive apparatus of precision; The equipment that a kind of machining worm screw thread is also arranged has consisted essentially of hobboing cutter, sliding seat and bearing, and sliding seat can move on bearing; Hobboing cutter is installed on the sliding seat, and sliding seat is provided with handle, during screw thread on wanting machining worm; With worm blank with the anchor clamps man in rotating shaft, promote sliding seat through handle then, when the hobboing cutter on the sliding seat during near worm screw; Just worm screw is carried out gear hobbing, form screw thread.This process equipment, owing to adopt the manual sliding seat that promotes, inconsistent owing to what exert oneself; Thereby deep mixed to the deep processing of screw thread on the worm screw, also not really unified to the length of screw thread on the worm screw simultaneously, so; Adopt the worm screw of this apparatus processing to be used on the musical instrument of string; When regulating the degree of tightness of string, its precision is very low, can not reach requirement.
Summary of the invention
In view of the deficiency that background technology exists, the technical problem that the present invention will solve provides a kind of machine for automatic working structure to high its unified worm thread of worm thread machining accuracy.
For this reason, the present invention adopts following technical scheme to realize: a kind of machine for automatic working structure of worm thread comprises body, first transmission device, anchor clamps and gear hobbing device; Said first transmission device comprises cam drive axle, main shaft and motor; Said cam drive axle is connected with said drive of motor, and said main shaft is connected with said cam drive through-drive, and said anchor clamps are installed on the said main shaft; It is characterized in that said gear hobbing device comprises bearing, rocking arm, sliding seat, hobboing cutter and second transmission device; Said rocking arm is hinged on the said bearing, and said sliding seat slides on said bearing, and an end of said rocking arm contacts with said sliding seat; The other end contacts with cam on the said cam drive axle; Said hobboing cutter and said second transmission device are in transmission connection, and said anchor clamps are positioned at a side of said hobboing cutter, and said second transmission device is in transmission connection through universal driving device and said first transmission device.
Said bearing is provided with slide rail, and said sliding seat slides on said slide rail.
Said bearing is provided with back-moving spring, and an end of said back-moving spring contacts with said bearing, and the other end contacts with said sliding seat.
Said second transmission device includes worm screw, worm gear and decelerator; Said worm screw is connected with said first transmission device through said universal driving device; Said worm screw and the engagement of said worm gear, said worm gear and said decelerator are in transmission connection, and said hobboing cutter is installed on the output shaft of said decelerator.
The two ends of said rocking arm are respectively arranged with the first adjustable push rod and the second adjustable push rod, and the said first adjustable push rod contacts with said sliding seat, and the said second adjustable push rod contacts with cam on the said cam drive axle.
Said universal driving device comprises first rotating shaft, connecting axle, second rotating shaft, first universal joint and second universal joint; Said first rotating shaft is connected with said worm screw; Said first rotating shaft is connected with described connecting axle through described first universal joint; Said connecting axle is connected with said second rotating shaft through described second universal joint, and said second rotating shaft is connected with described spindle.
This structure of the present invention, with processed worm screw with clamp clamps after, along with the action of first transmission device; The drive anchor clamps rotate, and drive the action of second transmission device simultaneously, make hobboing cutter rotate the back and contact with worm screw; Accomplish the process of screw thread on the worm screw, after the completion of processing, the gear hobbing device is under the transmission of first transmission device; Leave worm screw voluntarily, the feasible worm screw that is clipped on the anchor clamps is accomplished the processing of screw thread, the worm screw of adopting this organisation of working to process automatically; Screw thread uniform specification on it, precision is high, is highly suitable for using on the musical instrument.
Description of drawings
Combine accompanying drawing to further describe relevant details of the present invention below again.
Fig. 1 is overall structure figure of the present invention; Fig. 2 is the cutaway view of Fig. 1 of the present invention along A-A; Fig. 3 is the enlarged drawing at Fig. 2 M of the present invention place; Fig. 4 is the structure chart of gear hobbing device of the present invention; Fig. 5 is the cutaway view of Fig. 3 of the present invention along B-B.
The specific embodiment
With reference to accompanying drawing, the machine for automatic working structure of this worm thread comprises body 1, first transmission device, anchor clamps 20 and gear hobbing device 3; Said first transmission device comprises cam drive axle 2, main shaft 19 and motor 17, is respectively equipped with first belt wheel 14 and second belt wheel 15 on the said cam drive axle 2, and the rotating shaft of said motor 17 is provided with the 3rd belt wheel 36; Said the 3rd belt wheel 36 is connected with said second belt wheel 15 through first belt 16, when making motor 17 work, drives 2 transmissions of cam drive axle; Said main shaft 19 is provided with four-tape wheel 12, and said four-tape wheel 12 is connected with first belt wheel 14 through second belt 13, makes after 2 rotations of cam drive axle; Driving main shaft 19 rotates; So, just make said motor 17 be in transmission connection with said cam drive axle 2, said cam drive axle 2 is in transmission connection with said main shaft 19; Said anchor clamps 20 are installed on the said main shaft 19, and said gear hobbing device 3 comprises bearing 18, rocking arm 28, sliding seat 35, hobboing cutter 21 and second transmission device, and said rocking arm 28 is hinged on the said bearing 18, thereby rocking arm 28 can be along pin joint 26 swings; Said bearing 18 is provided with the slide rail (not shown); Thereby; Said sliding seat 35 can slide on said bearing 18, and an end of said rocking arm 28 contacts with said sliding seat 35, and the other end contacts with cam 27 on the said cam drive axle 2; Again specifically; Be respectively arranged with the first adjustable push rod 25 and the second adjustable push rod 29 at the two ends of said rocking arm 28, the said first adjustable push rod 25 contacts with said sliding seat 35, and the said second adjustable push rod 29 contacts with cam 27 on the said cam drive axle 2.Said hobboing cutter 21 is in transmission connection with said second transmission device, and said anchor clamps 20 are positioned at a side of said hobboing cutter 21, and said second transmission device is in transmission connection through universal driving device and said first transmission device; Said bearing 18 is provided with back-moving spring 24, and an end of said back-moving spring 24 contacts with said bearing 18, and the other end contacts with said sliding seat 35, after sliding seat 35 moves, heads on back-moving spring 24 compressions.Said second transmission device includes worm screw 22, worm gear 23 and decelerator 31, and decelerator 31 described here is meshed one by one by four gears and constitutes; Said worm screw 22 is connected with said first transmission device through said universal driving device, said worm screw 22 and said worm gear 23 engagements, and said worm gear 23 is in transmission connection with said decelerator 31, and said hobboing cutter 21 is installed on the output shaft 30 of said decelerator 31.Said universal driving device comprises first rotating shaft 4, connecting axle 6, second rotating shaft 10, first universal joint 5 and second universal joint 7; Said first rotating shaft 4 is connected with said worm screw 22; Said first rotating shaft 4 is connected with described connecting axle 6 through described first universal joint 5, and said connecting axle 6 is connected with said second rotating shaft 10 through described second universal joint 7, and said second rotating shaft 10 is provided with the 5th belt wheel 11; Also be provided with the 6th belt wheel 9 on the said main shaft 19; Said the 5th belt wheel 11 is connected through the 3rd belt 8 with said the 6th belt wheel 9, thereby forms second rotating shaft 10 and be in transmission connection with described main shaft 19, promptly makes universal driving device be connected with first transmission device.
When the present invention works; Be used for processed worm screw by automatic feeding deliver on the anchor clamps 20 clamp after; Motor 17 work, the rotating shaft of motor 17 makes cam drive axle 2 rotate through first belt 16, after cam drive axle 2 rotates; First belt wheel 14 on the cam drive axle 2 drives main shaft 19 through second belt 13 and rotates, and makes to be clamped in the and then rotation of processed worm screw on the anchor clamps 20; And after cam drive axle 2 rotated, the cam 27 on it and then rotated, when cam 27 rotates to convex surface from concave surface; And when cam surface contacted with the second adjustable push rod 29, then the second adjustable push rod 29 was swung to the right with the lower end of rocking arm 28, and the upper end of rocking arm 28 is swing left then; after swing left the upper end of rocking arm 28, had been with the first adjustable push rod 25 to promote sliding seat 35, made sliding seat 35 be moved to the left; near processed worm screw, in the process that sliding seat 35 moves to left, the back-moving spring 24 that is installed on the bearing 18 will be compressed; meanwhile with hobboing cutter 21, and when main shaft 19 rotated, the 6th belt wheel 9 on the main shaft 19 rotated through the 3rd belt 8 drives the 5th belt wheel 11; second rotating shaft 10 on the 5th belt wheel 11 is and then rotated, and drives connecting axle 6, first rotating shaft, 4 rotations, and worm screw 22, worm gear 23 that the rotation of first rotating shaft 4 drives in the gear hobbing device 3 rotate; the output shaft 30 through decelerator 31 drives hobboing cutter 21 rotations at last; after hobboing cutter 21 rotates, just the processed worm screw that is clipped on the anchor clamps 20 is carried out gear hobbing, accomplish the processing of screw thread on the worm screw.The length of screw thread on the processed worm screw depends on the size of hobboing cutter 21 diameters, thereby, change the length of worm thread, only need to change a hobboing cutter 21 and get final product.
First rotating shaft 4 among the present invention all is connected with connecting axle 6 through universal joint with second rotating shaft 10; Therefore in the process that sliding seat 35 moves; The worm screw 22 that can normally drive in the gear hobbing device 3 is rotated, can be owing to the rotation that hinders first rotating shaft 4 and second rotating shaft 10 of moving of sliding seat 35.After the worm screw completion of processing, cam on the cam drive axle 2 27 turns to concave surface from convex surface, and is opposite, drives a left side, rocking arm 28 lower ends pendulum; the right pendulum in the upper end of rocking arm 28, and behind the right pendulum in rocking arm 28 upper ends, the first adjustable push rod 25 leaves sliding seat 35, after this; be installed in back-moving spring 24 on the bearing 18 because the effect of elastic force will promote sliding seat 35 and move to right, make hobboing cutter 21 leave processed worm screw; reciprocation cycle like this, and the screw thread processing back uniform specification on the worm screw is easy to operate; that the automaticity height for the processing industry of worm screw, has good using value.
The first adjustable push rod 25 among the present invention and the second adjustable push rod 29 all are to adopt the mode that is spirally connected to be installed on the rocking arm 28; Thereby, as long as turn the first adjustable push rod 25 or the second adjustable push rod 29, just the displacement of scalable sliding seat 35; This adds man-hour to worm screw; The exposure level of hobboing cutter 21 and processed worm screw, the size of the thread groove degree of depth on the decision worm screw, this adjusting is very easily.Left or right direction above-mentioned among the present invention is all to drawing.
Claims (6)
1. the machine for automatic working structure of a worm thread; Comprise body (1), first transmission device, anchor clamps (20) and gear hobbing device (3); Said first transmission device comprises cam drive axle (2), main shaft (19) and motor (17); Said cam drive axle (2) is in transmission connection with said motor (17), and said main shaft (19) is in transmission connection with said cam drive axle (2), and said anchor clamps (20) are installed on the said main shaft (19); It is characterized in that said gear hobbing device comprises bearing (18), rocking arm (28), sliding seat (35), hobboing cutter (21) and second transmission device; Said rocking arm (28) is hinged on (18) on the said bearing, and said sliding seat (35) is gone up at said bearing (18) and slided, and an end of said rocking arm (28) contacts with said sliding seat (35); The other end contacts with cam (27) on the said cam drive axle (2); Said hobboing cutter (21) is in transmission connection with said second transmission device, and said anchor clamps (20) are positioned at a side of said hobboing cutter (21), and said second transmission device is in transmission connection through universal driving device and said first transmission device.
2. the machine for automatic working structure of worm thread according to claim 1 is characterized in that said bearing (18) is provided with slide rail, and said sliding seat (35) slides on said slide rail.
3. the machine for automatic working structure of worm thread according to claim 1 is characterized in that said bearing (18) is provided with back-moving spring (24), and an end of said back-moving spring (24) contacts with said bearing (18), and the other end contacts with said sliding seat (35).
4. the machine for automatic working structure of worm thread according to claim 1; It is characterized in that said second transmission device includes worm screw (22), worm gear (23) and decelerator (31); Said worm screw (22) is connected with said first transmission device through said card gear; Said worm screw (22) and said worm gear (23) engagement, said worm gear (23) is in transmission connection with said decelerator (31), and the output shaft (30) of said decelerator (31) is gone up said hobboing cutter (21) is installed.
5. the machine for automatic working structure of worm thread according to claim 1; The two ends that it is characterized in that said rocking arm (28) are respectively arranged with the first adjustable push rod (25) and the second adjustable push rod (29); The said first adjustable push rod (25) contacts with said sliding seat (35), and the said second adjustable push rod (29) contacts with cam (27) on the said cam drive axle (2).
6. the machine for automatic working structure of worm thread according to claim 4; It is characterized in that said universal driving device comprises first rotating shaft (4), connecting axle (6), second rotating shaft (10), first universal joint (5) and second universal joint (7); Said first rotating shaft (4) is connected with said worm screw (22); Said first rotating shaft (4) is connected with described connecting axle (6) through described first universal joint (5); Said connecting axle (6) is connected with said second rotating shaft (10) through described second universal joint (7), and said second rotating shaft (10) is in transmission connection with described main shaft (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110027974A CN102328137A (en) | 2011-01-23 | 2011-01-23 | Automatic machining mechanism for worm thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110027974A CN102328137A (en) | 2011-01-23 | 2011-01-23 | Automatic machining mechanism for worm thread |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102328137A true CN102328137A (en) | 2012-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110027974A Pending CN102328137A (en) | 2011-01-23 | 2011-01-23 | Automatic machining mechanism for worm thread |
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| Country | Link |
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| CN (1) | CN102328137A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406605A (en) * | 2013-07-18 | 2013-11-27 | 瑞安市中联电声乐器有限公司 | Rotary knife device for worm thread processing in field of musical instruments |
| CN106238834A (en) * | 2016-08-30 | 2016-12-21 | 山西北方机械制造有限责任公司 | A kind of processing method determining starting point screw thread |
| CN109773284A (en) * | 2018-12-29 | 2019-05-21 | 浙江速博机械科技有限公司 | It is a kind of for installing the tooling platform and method of worm screw auxiliary member |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3579686A (en) * | 1968-10-07 | 1971-05-25 | Sorenson Engineering Inc | Automatic screw machine |
| US3933060A (en) * | 1974-01-29 | 1976-01-20 | Kummer Freres S.A., Fabrique De Machines | Automatic lathe |
| GB1558918A (en) * | 1976-05-22 | 1980-01-09 | Gildemeister Ag | Apparatus in a multi-spindle automatic lathe for cutting internal and external screwthreads on workpieces |
| CN2107341U (en) * | 1991-12-16 | 1992-06-17 | 李传忠 | Adjustable multi-shaft tapping machine |
| CN2248113Y (en) * | 1995-11-01 | 1997-02-26 | 林信瑞 | Automatic thread-cutting lathe |
| CN2471462Y (en) * | 2001-03-28 | 2002-01-16 | 黎宁生 | Threading apparatus |
-
2011
- 2011-01-23 CN CN201110027974A patent/CN102328137A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3579686A (en) * | 1968-10-07 | 1971-05-25 | Sorenson Engineering Inc | Automatic screw machine |
| US3933060A (en) * | 1974-01-29 | 1976-01-20 | Kummer Freres S.A., Fabrique De Machines | Automatic lathe |
| GB1558918A (en) * | 1976-05-22 | 1980-01-09 | Gildemeister Ag | Apparatus in a multi-spindle automatic lathe for cutting internal and external screwthreads on workpieces |
| CN2107341U (en) * | 1991-12-16 | 1992-06-17 | 李传忠 | Adjustable multi-shaft tapping machine |
| CN2248113Y (en) * | 1995-11-01 | 1997-02-26 | 林信瑞 | Automatic thread-cutting lathe |
| CN2471462Y (en) * | 2001-03-28 | 2002-01-16 | 黎宁生 | Threading apparatus |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406605A (en) * | 2013-07-18 | 2013-11-27 | 瑞安市中联电声乐器有限公司 | Rotary knife device for worm thread processing in field of musical instruments |
| CN103406605B (en) * | 2013-07-18 | 2015-12-16 | 瑞安市中联电声乐器有限公司 | The rotating cutting device of musical instrument field worm thread processing |
| CN106238834A (en) * | 2016-08-30 | 2016-12-21 | 山西北方机械制造有限责任公司 | A kind of processing method determining starting point screw thread |
| CN106238834B (en) * | 2016-08-30 | 2018-04-03 | 山西北方机械制造有限责任公司 | A kind of processing method for determining starting point screw thread |
| CN109773284A (en) * | 2018-12-29 | 2019-05-21 | 浙江速博机械科技有限公司 | It is a kind of for installing the tooling platform and method of worm screw auxiliary member |
| CN109773284B (en) * | 2018-12-29 | 2020-05-22 | 浙江速博机械科技有限公司 | Tool platform and method for mounting worm auxiliary part |
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| ASS | Succession or assignment of patent right |
Owner name: RUIAN ZHONGLIAN ELECTRIC-SOUND MUSICAL INSTRUMENT Free format text: FORMER OWNER: LIN RUIRONG Effective date: 20130509 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20130509 Address after: 325200 room 2, building 1003, Dan Gui Yuan, Anyang Town, Ruian, Zhejiang Applicant after: Rui'an Zhonglian Electric-Sound Musical Instrument Co., Ltd. Address before: 325200 room 2, building 1003, Dan Gui Yuan, Anyang Town, Ruian, Zhejiang Applicant before: Lin Ruirong |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20120125 |