CN104070398B - A kind of die head threading machine gear - Google Patents
A kind of die head threading machine gear Download PDFInfo
- Publication number
- CN104070398B CN104070398B CN201410303970.9A CN201410303970A CN104070398B CN 104070398 B CN104070398 B CN 104070398B CN 201410303970 A CN201410303970 A CN 201410303970A CN 104070398 B CN104070398 B CN 104070398B
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- CN
- China
- Prior art keywords
- gear
- driven gear
- shift fork
- shaft
- speed driven
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/12—Mechanical drives with means for varying the speed ratio
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
- Transmission Devices (AREA)
- Friction Gearing (AREA)
Abstract
The invention discloses a kind of die head threading machine gear, it includes gearbox body (1) and the case lid (2) being arranged on gearbox body (1), it is provided with drive mechanism in described casing (1) and realizes the shift fork gear of drive mechanism speed change, boss 23 in described shift fork gear is provided with two V-shaped grooves 24, steel ball drops on the first time locking realizing shift fork in V-shaped groove 24 by the effect of spring, and bias positioning sleeve 34 is provided with steel ball vertically, spring, holding screw, the imperfect ring flange 33 of axle sleeve 29 has three place's pits 21, steel ball drops in pit 21 under the action of the spring, thus achieve the second time locking of shift fork。The invention has the beneficial effects as follows: it has speed change accurate stable, and has two place's steel ball speed change locking devices to make variator that problem out of supply will not occur。
Description
Technical field
The present invention relates to gear, particularly a kind of die head threading machine gear。
Background technology
Current die head threading machine variator mostly is two speed, and owing to its speed change stroke is little, the bowstring discrepancy in elevation of the circular motion track of speed change wabbler mechanism is little, it is possible to avoid its movement interference with strengthening the shift fork method with the gap of gear。But when transmission design is three speed, speed change stroke strengthens, and the bowstring discrepancy in elevation of the circular motion track of speed change wabbler mechanism is big, its movement interference cannot be avoided with strengthening the shift fork gap with gear。
And the gear change hand lever of current three fast speed change die head threading machines is handled distant, the rocking of control lever shaft, beat are very unfavorable to speed change, if can not efficiently against the rocking of control lever shaft, beat power, axle sleeve is shaken up, gear just fails, owing to cost and machine space do not allow, so other mechanisms can not be increased to eliminate the rocking of control lever shaft, beat, the speed change that is rigidly connected can only be used。
Summary of the invention
It is an object of the invention to overcome the shortcoming of prior art, it is provided that a kind of speed change accurate stable, variator will not out of supply and die head threading machine gears that cost is low。
The purpose of the present invention is achieved through the following technical solutions: a kind of die head threading machine gear, it includes gearbox body and the case lid being arranged on gearbox body, it is provided with drive mechanism in described casing and realizes the shift fork gear of drive mechanism speed change, described shift fork gear includes shift fork and rocking arm, the centre of described shift fork offers an axis hole, an axis of guide it is set with in axis hole, the axis of guide is slidably matched by key and shift fork, the two ends of the described axis of guide are arranged on gearbox body and case lid, wherein one end holding screw is fixed, one termination of described shift fork is provided with the boss of rectangle, the described axle head on rocking arm offers a rectangular channel, boss coordinates with rectangular channel, a screwed hole is offered in the axle head of described rocking arm, screwed hole is sequentially installed with steel ball from left to right, spring, holding screw, the axle head of rocking arm uses back-up ring to fix, the hole of the other end of rocking arm is passed control lever shaft and surely connects by keying, described control lever shaft also extends through the axle sleeve being arranged on gearbox body, the centre of described axle sleeve is provided with disk with holes, disk is fixed by screws on gearbox body, the other end of described axle sleeve is provided with incomplete ring flange, described ring flange is glued with an eccentric positioning sleeve, the described eccentric positioning sleeve of control lever shaft traverse, and be connected with control lever shaft with pin, the other end of described control lever shaft is provided with one handle seat by key and screw, handle set is provided with gear change hand lever。
Described drive mechanism includes motor, motor gear, first order driven shaft, second level driven shaft and output gear shaft, described first order driven shaft is set with first order driven gear, described first order driven gear coordinates with motor gear, described second level driven shaft is provided with high speed third wheel, middling speed drivewheel, low speed drivewheel, described low speed drivewheel is between high speed third wheel and middling speed drivewheel, the two ends of described second level driven shaft are equipped with bearing, bearing is arranged on gearbox body and case lid, described output gear shaft is provided with high speed driven gear, middling speed driven gear, low speed driven gear, wherein low speed driven gear is between high speed driven gear and middling speed driven gear, the both sides of described output gear shaft are equipped with bearing, output gear shaft is arranged on gearbox body and case lid by bearing。
Described high speed driven gear and middling speed driven gear are free gear, and high speed driven gear and the middling speed driven gear end face near low speed driven gear one end are provided with dog-clutch A, low speed driven gear both ends of the surface are provided with dog-clutch B, described output gear shaft is provided with a square key, the described dog-clutch A on high speed driven gear and the dog-clutch A on middling speed driven gear is positioned at the two ends of square key, two ends are assembled together with output gear shaft by described square key with the low speed driven gear of dog-clutch B, the two ends of described square key are provided with step and push down with annulus respectively, low speed driven gear clamped by shift fork from two sides。
Having two place's V-shaped grooves on described boss, steel ball drops in the V-shaped groove on the boss of shift fork termination under the action of the spring。
Described eccentric positioning sleeve is axially installed with steel ball, spring, holding screw, has three place's pits on the imperfect ring flange of axle sleeve, and steel ball drops in pit under the action of the spring。
Described control lever shaft is jagged with the processing of the section of cooperation of axle sleeve。
Described axle sleeve is arranged on gearbox body by screw, and leaves, between ring flange and the disk on axle sleeve, the space facilitating screw to install。
The invention have the advantages that the gear speed change accurate stable of the present invention, and be provided with two place's steel ball speed change locking devices, thus phenomenon out of supply will not occur variator。
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the A-A expanded view of Fig. 1；
Fig. 3 is that the B of Fig. 1 is to C-C view；
Fig. 4 is the schematic diagram of axle sleeve；
Fig. 5 is the left view of axle sleeve；
In figure, 1-casing, 2-case lid, 3-motor, 4-motor gear, 5-first order driven gear, 6-first order driven shaft, 7-second level driven shaft, 8-high speed third wheel, 9-middling speed drivewheel, 10-low speed drivewheel, 11-output gear shaft, 12-high speed driven gear, 13-middling speed driven gear, 14-low speed driven gear, 15-dog-clutch A, 16-dog-clutch B, 17-square key, 18-annulus, 19-shift fork, the 20-axis of guide, 22-rectangular channel, 23-boss, 24-V shape groove, 25-rocking arm, 26-back-up ring, 27-control lever shaft, 28-disk, 29-axle sleeve, 30-pin, 31-handle set, 32-breach, 33-ring flange, 34-bias positioning sleeve, 35-gear change hand lever, 36-pit,。
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described, and protection scope of the present invention is not limited to the following stated:
As shown in Figure 1, a kind of die head threading machine gear, it includes gearbox body 1 and the case lid 2 being arranged on gearbox body 1, it is provided with drive mechanism in described casing 1 and realizes the shift fork gear of drive mechanism speed change, it is characterized in that: described shift fork gear includes shift fork 19 and rocking arm 25, the centre of described shift fork 19 offers an axis hole, an axis of guide 20 it is set with in axis hole, the axis of guide 20 is slidably matched by key and shift fork 19, the two ends of the described axis of guide 20 are arranged on gearbox body 1 and case lid 2, wherein one end holding screw is fixed, one termination of described shift fork 19 is provided with the boss 23 of rectangle, the described axle head on rocking arm 25 offers a rectangular channel 22, boss 23 coordinates with rectangular channel 22, a screwed hole is offered in the axle head of described rocking arm 25, screwed hole is sequentially installed with steel ball from left to right, spring, holding screw, the axle head of rocking arm 25 uses back-up ring 26 to fix, the hole of the other end of rocking arm 25 is passed control lever shaft 27 and surely connects by keying, described control lever shaft 27 also extends through the axle sleeve 29 being arranged on gearbox body 1, as shown in Figure 4, the centre of described axle sleeve 29 is provided with disk 28 with holes, disk 28 is fixed by screws on gearbox body 1, the other end of described axle sleeve 29 is provided with incomplete ring flange 33, described ring flange 33 is glued with an eccentric positioning sleeve 34, the described eccentric positioning sleeve 34 of control lever shaft 27 traverse, and be connected with control lever shaft 27 with pin 30, control lever shaft 27 processes jagged 32 with the section of cooperation of axle sleeve 29, the other end of described control lever shaft 27 is provided with one handle seat 31 by key and screw, handle set 31 is provided with gear change hand lever 35。
In the present embodiment, as shown in Figure 2, described drive mechanism includes motor 3, motor gear 4, first order driven shaft 6, second level driven shaft 7 and output gear shaft 11, described first order driven shaft 6 is set with first order driven gear 5, described first order driven gear 5 coordinates with motor gear 4, described second level driven shaft 7 is provided with high speed third wheel 8, middling speed drivewheel 9, low speed drivewheel 10, described low speed drivewheel 10 is between high speed third wheel 8 and middling speed drivewheel 9, the two ends of described second level driven shaft 7 are equipped with bearing, bearing is arranged on gearbox body 1 and case lid 2, described output gear shaft 11 is provided with high speed driven gear 12, middling speed driven gear 13, low speed driven gear 14, wherein low speed driven gear 14 is between high speed driven gear 12 and middling speed driven gear 13, the both sides of described output gear shaft 11 are equipped with bearing, output gear shaft 11 is arranged on gearbox body 1 and case lid 2 by bearing。
Further in order to realize stable drive, described high speed driven gear 12 and middling speed driven gear 13 are free gear, and high speed driven gear 12 and the middling speed driven gear 13 end face near low speed driven gear 14 one end are provided with dog-clutch A15, low speed driven gear 14 both ends of the surface are provided with dog-clutch B16, described output gear shaft 11 is provided with a square key 17, the described dog-clutch A15 on high speed the driven gear 12 and dog-clutch A15 on middling speed driven gear 13 is positioned at the two ends of square key 17, two ends are assembled together with output gear shaft 11 by described square key 17 with the low speed driven gear 14 of dog-clutch B16, the two ends of described square key 17 are provided with step and push down with annulus 18 respectively, low speed driven gear 14 clamped by shift fork 19 from two sides。
In the present embodiment, as shown in Figure 3, boss 23 has two place's V-shaped grooves 24, steel ball drops in the V-shaped groove 24 on shift fork 19 termination boss 23 under the action of the spring, thus playing the effect of locking gear, variator is made to have had first time locking, owing to the sliding space of low speed driven gear 14 is align installation by shift fork 19, when speed change mediates gear, steel ball drops in the V-shaped groove 24 of top, and when speed change is in both sides gear, steel ball all falls within following V-shaped groove 24。
In the present embodiment, as shown in Figure 5, second time in order to realize variator locks, described eccentric positioning sleeve 34 is axially installed with steel ball, spring, holding screw, the imperfect ring flange 33 of axle sleeve 29 has three place's pits 36, steel ball drops in pit 36 under the action of the spring, and due to the rocking of control lever shaft 27, beat, the first time in variator is locked on gear change hand lever 35 and does not have any sensation, this is very unfavorable to operation, can not feel whether speed change puts in place, after having had second time locking, just have, at gear change hand lever 35 place, the sensation put in place。
In the present embodiment, axle sleeve 29 is to be arranged on gearbox body 1 by screw, in order to facilitate the installation of screw and reduce the size of disk 28, leave, between the described ring flange 33 on axle sleeve 29 and disk 28, the space facilitating screw to install, axle sleeve 29 just can axial in this space be arranged on gearbox body 1 by such screw, reduces the size of decelerator further。
The present invention is in order to realize speed change accurate stable, and problem out of supply will not occur variator, is realized by three below step in an embodiment:
One, shift fork 19 positions: be provided with the axis hole of keyway in shift fork 19, the axis of guide 20 it is cased with in axis hole, the two ends of the axis of guide 20 are arranged on gearbox body 1 and case lid 2, wherein one end holding screw is fixed, such shift fork 19 can move in fixing orientation, and shift fork 19 can be made to align clamp low speed driven gear 14, it is achieved the location of shift fork 19
Two, shift fork first time locking: be provided with the boss 23 of rectangle on a termination of shift fork 19, the described axle head on rocking arm 25 offers a rectangular channel 22, boss 23 coordinates with rectangular channel 22, a screwed hole is offered in the axle head of described rocking arm 25, screwed hole is sequentially installed with steel ball from left to right, spring, holding screw, the axle head of rocking arm 25 uses back-up ring 26 to fix, boss 23 has two V-shaped grooves 24, steel ball drops in V-shaped groove 24 by the effect of spring, play the effect of locking gear, thus achieve the primary locking of shift fork, owing to the sliding space of low speed driven gear 14 is align installation by shift fork 19, when speed change mediates gear, steel ball drops in the V-shaped groove 24 of top, when speed change is in both sides gear, steel ball all falls within following V-shaped groove 24。
Three, shift fork second time locking: eccentric positioning sleeve 34 is provided with steel ball vertically, spring, holding screw, the imperfect ring flange 33 of axle sleeve 29 has three place's pits 36, steel ball drops in pit 36 under the action of the spring, thus achieves the second time locking of shift fork。
The work process of the present invention is as follows: opening power, motor 3 is made to rotate, variator operates, the output speed of variator is adjusted according to job demand, hold gear change hand lever 35 and make it rotate, gear change hand lever 35 drives handle set 31, control lever shaft 27 and rocking arm 25 rotate, rectangular channel 22 on the axle head of rocking arm 25 coordinates with the boss 23 on shift fork 19, shift fork 19 is driven to slide axially on the axis of guide 20, shift fork 19 is clamped low speed driven gear 14 gear different from three and is engaged to obtain three different output speeds, the high speed of variator and middling speed are that the dog-clutch B16 by low speed driven gear 14 two sides and the dog-clutch A15 of high speed driven gear 12 and middling speed driven gear 13 engages realization, and low speed is low speed driven gear 14 directly engages realization with low speed drivewheel 10, when variator low cruise, high speed driven gear 12 and middling speed driven gear 13 are all at dry running, in speed-change process, rocking arm 25 circles together with axle head, coordinated with the rectangular boss 23 on shift fork 19 by the rectangular channel 22 on axle head, circular motion is converted into the shift fork 19 axially-movable on the axis of guide 20, it is then sliding relation between the rectangular channel 22 on axle head and the rectangular boss 23 on shift fork 19。
Claims (7)
1. a die head threading machine gear, it includes gearbox body (1) and the case lid (2) being arranged on gearbox body (1), it is provided with drive mechanism in described casing (1) and realizes the shift fork gear of drive mechanism speed change, it is characterized in that: described shift fork gear includes shift fork (19) and rocking arm (25), the centre of described shift fork (19) offers an axis hole, an axis of guide (20) it is set with in axis hole, the axis of guide (20) is slidably matched by key and shift fork (19), the two ends of the described axis of guide (20) are arranged on gearbox body (1) and case lid (2), wherein one end holding screw is fixed, one termination of described shift fork (19) is provided with the boss (23) of rectangle, the described axle head on rocking arm (25) offers a rectangular channel (22), boss (23) coordinates with rectangular channel (22), a screwed hole is offered in the axle head of described rocking arm (25), screwed hole is sequentially installed with steel ball from left to right, spring, holding screw, the axle head of rocking arm (25) uses back-up ring (26) to fix, the hole of the other end of rocking arm (25) is passed control lever shaft (27) and surely connects by keying, described control lever shaft (27) also extends through the axle sleeve (29) being arranged on gearbox body (1), the centre of described axle sleeve (29) is provided with disk (28) with holes, disk (28) is fixed by screws on gearbox body (1), the other end of described axle sleeve (29) is provided with incomplete ring flange (33), described ring flange (33) is glued with an eccentric positioning sleeve (34), the described eccentric positioning sleeve (34) of control lever shaft (27) traverse, and be connected with control lever shaft (27) with pin (30), the other end of described control lever shaft (27) is provided with one handle seat (31) by key and screw, handle set (31) is provided with gear change hand lever (35)。
2. a kind of die head threading machine gear according to claim 1, it is characterized in that: described drive mechanism includes motor (3), motor gear (4), first order driven shaft (6), second level driven shaft (7) and output gear shaft (11), described first order driven shaft (6) is set with first order driven gear (5), described first order driven gear (5) coordinates with motor gear (4), described second level driven shaft (7) is provided with high speed third wheel (8), middling speed drivewheel (9), low speed drivewheel (10), described low speed drivewheel (10) is positioned between high speed third wheel (8) and middling speed drivewheel (9), the two ends of described second level driven shaft (7) are equipped with bearing, bearing is arranged on gearbox body (1) and case lid (2), described output gear shaft (11) is provided with high speed driven gear (12), middling speed driven gear (13), low speed driven gear (14), wherein low speed driven gear (14) is positioned between high speed driven gear (12) and middling speed driven gear (13), the both sides of described output gear shaft (11) are equipped with bearing, output gear shaft (11) is arranged on gearbox body (1) and case lid (2) by bearing。
3. a kind of die head threading machine gear according to claim 2, it is characterized in that: described high speed driven gear (12) and middling speed driven gear (13) are free gear, and high speed driven gear (12) and the middling speed driven gear (13) end face near low speed driven gear (14) one end are provided with dog-clutch A (15), low speed driven gear (14) both ends of the surface are provided with dog-clutch B (16), described output gear shaft (11) is provided with a square key (17), the described dog-clutch A(15 on high speed driven gear (12)) and middling speed driven gear (13) on dog-clutch A(15) be positioned at the two ends of square key (17), described square key (17) by two ends with dog-clutch B(16) low speed driven gear (14) and output gear shaft (11) be assembled together, the two ends of described square key (17) are provided with step and push down with annulus (18) respectively, low speed driven gear (14) clamped by shift fork (19) from two sides。
4. a kind of die head threading machine gear according to claim 1, it is characterised in that: having two place's V-shaped grooves (24) on described boss (23), steel ball drops in the V-shaped groove (24) on shift fork (19) termination boss (23) under the action of the spring。
5. a kind of die head threading machine gear according to claim 1, it is characterized in that: described eccentric positioning sleeve (34) is axially installed with steel ball, spring, holding screw, having three place's pits (36) on the imperfect ring flange (33) of axle sleeve (29), steel ball drops in pit (36) under the action of the spring。
6. a kind of die head threading machine gear according to claim 1, it is characterised in that: described control lever shaft (27) processes jagged (32) with the section of cooperation of axle sleeve (29)。
7. a kind of die head threading machine gear according to claim 1, it is characterized in that: described axle sleeve (29) is arranged on gearbox body (1) by screw, and leave, between ring flange (33) and the disk (28) on axle sleeve (29), the space facilitating screw to install。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410303970.9A CN104070398B (en) | 2014-06-30 | 2014-06-30 | A kind of die head threading machine gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410303970.9A CN104070398B (en) | 2014-06-30 | 2014-06-30 | A kind of die head threading machine gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104070398A CN104070398A (en) | 2014-10-01 |
| CN104070398B true CN104070398B (en) | 2016-06-22 |
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ID=51592220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410303970.9A Expired - Fee Related CN104070398B (en) | 2014-06-30 | 2014-06-30 | A kind of die head threading machine gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104070398B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3089413A (en) * | 1961-06-12 | 1963-05-14 | Soroban Engineering Inc | Medium-speed serial printer |
| CN2412510Y (en) * | 2000-01-31 | 2001-01-03 | 番禺市力丰食品机械厂 | Variable-speed gear of food stirring machine |
| CN2608764Y (en) * | 2003-04-10 | 2004-03-31 | 刘庆广 | Mechanical gear shifting street roller gear box having synchronizer |
| CN201833218U (en) * | 2010-09-26 | 2011-05-18 | 柳品法 | Lathe handle |
| CN202556125U (en) * | 2012-05-09 | 2012-11-28 | 山东威达重工股份有限公司 | Sequential speed change mechanism |
| CN203973261U (en) * | 2014-06-30 | 2014-12-03 | 成都中电锦江信息产业有限公司 | A kind of die head threading machine gear |
-
2014
- 2014-06-30 CN CN201410303970.9A patent/CN104070398B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN104070398A (en) | 2014-10-01 |
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