CN2341755Y - Driving mechanism for worm processing - Google Patents
Driving mechanism for worm processing Download PDFInfo
- Publication number
- CN2341755Y CN2341755Y CN 98240036 CN98240036U CN2341755Y CN 2341755 Y CN2341755 Y CN 2341755Y CN 98240036 CN98240036 CN 98240036 CN 98240036 U CN98240036 U CN 98240036U CN 2341755 Y CN2341755 Y CN 2341755Y
- Authority
- CN
- China
- Prior art keywords
- frame
- motor
- whirlwind
- auxiliary
- main shaft
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a driving mechanism for worm processing, which comprises a cyclone member which is driven by a main motor and is provided with cutters, a spindle unit driven by an auxiliary motor and a function unit for starting and stopping the auxiliary motor. The utility model is characterized in that the spindle is provided with a screw thread structure and an elongated slot structure, the spiral movement of the spindle is realized by the meshing engagement of the screw thread structure and a knife switch, shutdown axial slip is implemented by the combination of the elongated slot structure and a keying pin, and intermittent feed is implemented by a feed gear arranged on an auxiliary shaft. The utility model is a special machine for processing worms and screws, and has the advantages of simple structure, small size, low manufacture cost, convenient and fast operation, high productive efficiency and high rigidity of mechanical structure. Not only does the utility model reduce the vibration in motion, but also improves machining precision.
Description
The utility model relates to the transmission device of worm screw machining tool, especially the special machine bed of worm screw in toy musical box movement worm screw and the automobile kilometer.
Musical box movement worm screw is the vital part of toy musical box, the crudy of worm screw will directly influence the quality of musical box, the interior worm screw of automobile kilometer too, past is processed by the C618 instrument lathe, and cyclone head is done the axial feed motion, because the machine tool structure complexity, bulky, manufacturing cost is increased, and service speed is slow, production efficiency is very low.
The purpose of this utility model is to overcome the defective of prior art and provides a kind of simple in structure, and volume is small and exquisite, the worm screw processing transmission mechanism of the special use that production efficiency is high.
According to above-mentioned purpose embodiment of the present utility model be: comprise the main motor that is located at the mechanism right side and the auxiliary-motor of left side adjustable speed; Drive the whirlwind parts of making whirling through the belt pulley transmission by main motor; Drive the spindle unit that is bearing in frame two side bearings by auxiliary-motor worm and gear transmission on belt pulley and power transmission shaft; The centre frame of spindle unit front end; Spindle unit comprises a hollow spindle, and the main shaft right-hand member is equipped with the dog by the screw rod tractive, and left end is connected with hand-held nut; Open and close the control member of auxiliary-motor; It is characterized in that described main shaft be provided with control member in disconnecting link engagement make it finish the thread structure that spiral rotatablely moves, the key pin that also is provided with on the main shaft by connecting gear makes its elongated slot structure of making axial slip, and is located at the accurate piece in location of frame left side control main shaft skidding distance and the auxiliary-motor protection switch P that links with accurate piece axle; Be bearing in the rolling bearing of frame both sides by the countershaft that belt, gear drive drive by auxiliary-motor, countershaft is provided with the control cam and finishes the feed cam that the whirlwind parts are made intermittent feed.
The utility model has changed the labyrinth of cyclone head axial feed, simplifies the structure greatly, has only 450 * 200 * 100 (millimeters) after the volume-diminished, and manufacturing cost is reduced significantly; Convenient, quick in operation, production efficiency is significantly improved; Because the frame for movement rigidity improves, and has reduced the vibration in the motion process, so improved machining accuracy.
Description of drawings.
Fig. 1 is the utility model transmission mechanism schematic diagram.
Fig. 2 is a NO8 main axle structure schematic diagram.
Again embodiment of the present utility model is described in further detail in conjunction with above-mentioned accompanying drawing.
Worm screw processing transmission mechanism (referring to Fig. 1-2) comprises the main motor (15) that is located at the mechanism right side and the auxiliary-motor (1) of left side adjustable speed.
Main motor is to finish the power source that the whirlwind parts rotate (10,000 rev/mins) at a high speed, adopt three phase alternating current motor, it is (not shown in the figures that it is installed in the frame that elasticity connects, as follows) on, one spring (16) specifically is set below main motor, make the whirlwind parts guarantee the centre-to-centre spacing unanimity of two belt pulleys (14) when making fine feed, belt pull is even, and main motor power drives the whirlwind parts through the belt pulley speed-raising and rotates at a high speed.
The whirlwind parts comprise the planker (12) that is connected to each other one and toward the whirlwind frame (18) of a helical angle of top rake, planker is contained in the slide plate (17) can do the motion of straight skidding advance and retreat cutter together in company with the whirlwind frame, be provided with in the planker and make its spring that resets (13), for avoiding stuck, can one bearing be set at the planker outer end, the feed cam acts on the planker by bearing.Be provided with two pairs of rolling bearings in the whirlwind frame that links to each other with planker, the belt lace wheel shaft is bearing in this bearing, and the knife rest on the whirlwind frame is equipped with bite and balance weight on (20), and the effect of balance weight makes the whirlwind parts of high speed rotating stable, improves cutting precision.The cutter amount also is housed on the whirlwind frame adjusts nut (19), strength is advanced in fine setting.The cooling and lubricating that adds the cutter in man-hour is by means of the other hydraulic oil cooling and lubricating device (22) that is provided with of whirlwind frame.
The auxiliary-motor of adjustable speed (1) power is the about 20W of direct current 12V; by powering behind the transformer step-down rectifier; regulate primary voltage by silicon controlled; make secondary DC voltage change; thereby reach auxiliary-motor speed governing purpose; diode in the circuit plays the afterflow effect when motor cuts off the power supply, protection motor commutator, and electric capacity plays the filtering voltage regulation effect.Auxiliary-motor is through a pair of gear Z
1And Z
2(Z
1=8, Z
2=30), a pair of belt pulley (2) transmission of power makes power transmission shaft (3) revolution, power transmission shaft through worm gear (35) (Z=50), worm screw (34) (1/50) back of slowing down divides two-way output, one tunnel input spindle unit, the another kind of countershaft (4) of importing.
The front end of spindle unit is provided with the centre frame (21) of supporting processing parts, main shaft (8) is a hollow shaft, two supports is in the sliding bearing of frame both sides, the main shaft right-hand member is the dog (10) of clamping parts, by the screw rod in the main shaft axis hole (9) tractive, be connected with the hand-held nut (37) of left end M6 * 1, main shaft be provided with control member in disconnecting link (5) engagement make it finish the thread structure (40) that spiral rotatablely moves, this thread structure and processed part tooth form match.The key pin (36) that also is provided with on the main shaft by connecting gear makes its elongated slot structure (41) of making axial slip, to satisfy the needs of shutting down the loading and unloading part.Main shaft axial slip distance is by the accurate piece in location (38) control, is connected in the auxiliary-motor on-off circuit with the switch P (39) of its interlock, plays auxiliary-motor and starts protection, and locating accurate piece is swing structure, turns down when it need be located, and Fig. 1 state is a positioning states.
Rotatablely moving of main shaft by the worm gear under the power transmission shaft (Z=50) input, worm gear and gear Z
3(Z
3=30) disjunctor, sky are enclosed within on the main shaft, by key pin (36) both are connected into drive connection, i.e. the rotation of main shaft is by the worm gear on the power transmission shaft, gear Z
3, key pin imports with combining of main shaft elongated slot.
Another road input countershaft (4) by gear Z
3With gear Z
4(Z
4=45) engagement is again through gear Z
5(Z
5=16) with gear Z
6(Z
6=64) engagement reaches countershaft, and countershaft is bearing in the rolling bearing of frame both sides, and countershaft is provided with control cam (27) and finishes the feed cam (11) that the whirlwind parts are made intermittent feed.
The keying of auxiliary-motor is realized by control member.Control member includes one handle (23), and the effect of handle can not only be finished thread structure on disconnecting link and the main shaft and close or throw off, and can finish the startup or the braking of auxiliary-motor simultaneously.The Handle axis (25) fixing with handle is bearing in the frame sliding bearing, axle is provided with back-moving spring (24), its middle part has semi-circular structure (26), and the semi-circular structure place connects the disconnecting link (5) that is located in frame two side stands, and thread on the disconnecting link and the thread structure on the main shaft are complementary.The slippage of disconnecting link in support finish with main shaft on thread close or throw off, control by the Handle axis semi-circular structure, Fig. 1 is for both teeth state that closes, and as 180 ° of turning handles, both teeth are thrown off, and stage clip B (7) is set at the disconnecting link rear portion, under the effect of stage clip B, the thread of disconnecting link just in time enters in the thread of main shaft, makes main shaft for the helical movement, in order to prevent the main shaft axial float, stage clip C (6) is set between disconnecting link and main shaft supporting.What be subjected to that Handle axis promotes has a lever interlocking mechanism (30), A point (29) in the interlocking mechanism can with the recess (28) that is located at the control cam on the countershaft minute or close, being contained in torsion spring (31) on the framework soleplate acts on its A point is abutted against on the control cam all the time, when the A point enters the control cam notches, the microswitch of interlocking mechanism and auxiliary connection motor (32) is thrown off, the brake (33) that is located at the power transmission shaft end closes, auxiliary-motor is in closed condition, when the A point leaves the control cam notches, microswitch closes and the brake separation, auxiliary-motor startup work.
The course of work of the present utility model is: when lathe is in stopped status; at first the clamping processing parts is on dog; clockwise rotate the hand-held nut of main shaft tail end; make in the dog and contract and the part of box-uping; pull down the accurate piece in location; promote main shaft and protract to the right, make processing parts pass centre frame and enter under the knife rest bite.180 ° of another mistake hour hands turning handles make main shaft thread in the disconnecting link engagement under the effect of spring B, pull the accurate piece in location again, and the switch P closure that links with accurate piece axle at this moment performs the preparation of running.And then driving handle, interlocking mechanism is promoted by Handle axis also and changes the position, and Handle axis is from resetting under action of reset spring.The rotation of interlocking mechanism is closed microswitch, the charged startup of auxiliary-motor, part processing begins, the A point of interlocking mechanism withdraws from the control cam notches and leans against excircle part, and the plush copper of the cam of feed simultaneously withdraws from, and the slip planker is in the spring action lower slider, the bite feed begins machined part, until cam is goed around, the plush copper of feed cam is pushed planker open, the knife rest withdrawing like this.The A of interlocking mechanism point enters the control cam notches, and mechanism shuts down immediately, on circuit relay coil elder generation dead electricity, release, the normally-closed contact closure by the contact short circuit, plays motor self braking action after the auxiliary-motor dead electricity, work is stopped immediately, and the part processing process finishes.Clockwise rotate handle this moment again, makes disconnecting link throw off the main shaft thread, pulls hand-held nut, a main shaft left side slided pulled out part, and left-handed more hand-held nut unclamps dog and takes off part, finishes to this fabrication cycles.
The utility model is applicable to the spiral processing of worm screw in musical box movement worm screw or the automobile kilometer, as the thread structure spiral shell square and the depth of threat of change main shaft and disconnecting link, and other correlated parts, can carry out the processing of other worm screw.
Claims (7)
1. worm screw processing transmission mechanism comprises the main motor (15) that is located at the mechanism right side and the auxiliary-motor (1) of left side adjustable speed; Drive the whirlwind parts of making whirling through belt pulley (14) transmission by main motor; Drive the spindle unit that is bearing in frame two side bearings by worm gear (35), worm screw (34) transmission of auxiliary-motor on belt pulley (2) and power transmission shaft (3); The centre frame of spindle unit front end (21); Spindle unit comprises a hollow spindle (8), and the main shaft right-hand member is equipped with the dog (10) by screw rod (9) tractive, and left end is connected with hand-held nut (37); Open and close the control member of auxiliary-motor; It is characterized in that described main shaft be provided with control member in disconnecting link (5) engagement make it finish the thread structure (40) that spiral rotatablely moves, the key pin (36) that also is provided with on the main shaft by connecting gear makes its elongated slot structure (41) of making axial slip, and is located at the accurate piece in location (38) of frame left side control main shaft skidding distance and the auxiliary-motor protection switch P (39) that links with accurate piece axle; Be bearing in the rolling bearing of frame both sides by the countershaft (4) that belt, gear drive drive by auxiliary-motor, countershaft is provided with control cam (27) and finishes the feed cam (11) that the whirlwind parts are made intermittent feed.
2. worm screw processing transmission mechanism as claimed in claim 1 is characterized in that described main motor (15) is installed on the frame of elasticity connection.
3. worm screw processing transmission mechanism as claimed in claim 1, it is characterized in that described whirlwind parts comprise the planker (12) that is connected to each other one and toward the whirlwind frame (18) of a helical angle of top rake, planker is contained in the slide plate (17) can do the motion of straight skidding advance and retreat cutter together in company with the whirlwind frame, is provided with in the planker and makes its spring that resets (13); Knife rest on the whirlwind frame is equipped with bite and balance weight on (20).
4. worm screw processing transmission mechanism as claimed in claim 3 is characterized in that also being equipped with on the described whirlwind frame (18) the cutter amount and adjusts nut (19).
5. worm screw processing transmission mechanism as claimed in claim 3 is characterized in that the other hydraulic oil cooling and lubricating device (22) that is provided with of described whirlwind frame (18).
6. worm screw processing transmission mechanism as claimed in claim 1, it is characterized in that described control member comprises one handle (23), the middle part that is bearing in the frame sliding bearing that links to each other with handle has the Handle axis (25) of semi-circular structure (26), back-moving spring on the Handle axis (24), Handle axis is provided with the disconnecting link (5) in frame two side stands of being connected by semi-circular structure control, screw rod tooth form on the disconnecting link and the thread structure on the main shaft are complementary, the disconnecting link rear portion is provided with stage clip B (7), what be subjected to that Handle axis promotes has a lever-type interlocking mechanism (30), A point (29) in the interlocking mechanism can with the recess (28) that is located at the control cam (27) on the countershaft minute or close, torsion spring (31) abuts against on the control cam A point, by interlocking mechanism control open and close and deciliter the microswitch that the auxiliary connection motor is arranged (32) and the brake (33) of power transmission shaft end.
7. worm screw processing transmission mechanism as claimed in claim 6 is characterized in that being provided with between described disconnecting link (5) and the main shaft supporting stage clip C (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98240036 CN2341755Y (en) | 1998-08-19 | 1998-08-19 | Driving mechanism for worm processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98240036 CN2341755Y (en) | 1998-08-19 | 1998-08-19 | Driving mechanism for worm processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2341755Y true CN2341755Y (en) | 1999-10-06 |
Family
ID=33987174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98240036 Expired - Fee Related CN2341755Y (en) | 1998-08-19 | 1998-08-19 | Driving mechanism for worm processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2341755Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107627773A (en) * | 2017-10-31 | 2018-01-26 | 郭文英 | A kind of stabilization drive device of engraving machine |
-
1998
- 1998-08-19 CN CN 98240036 patent/CN2341755Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107627773A (en) * | 2017-10-31 | 2018-01-26 | 郭文英 | A kind of stabilization drive device of engraving machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |