CN203973261U - A kind of die head threading machine gear - Google Patents
A kind of die head threading machine gear Download PDFInfo
- Publication number
- CN203973261U CN203973261U CN201420355490.2U CN201420355490U CN203973261U CN 203973261 U CN203973261 U CN 203973261U CN 201420355490 U CN201420355490 U CN 201420355490U CN 203973261 U CN203973261 U CN 203973261U
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- gear
- driven gear
- shift fork
- shaft
- speed driven
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Abstract
The utility model discloses a kind of die head threading machine gear, it comprises gearbox body (1) and is arranged on the case lid (2) on gearbox body (1), in described casing (1), be provided with transmission mechanism and the shift fork gear of realizing transmission mechanism speed change, boss 23 in described shift fork gear is provided with two V-shaped grooves 24, steel ball drops on the locking for the first time that realizes shift fork in V-shaped groove 24 by the effect of spring, and eccentric positioning sleeve 34 is provided with steel ball vertically, spring, holding screw, on the imperfect ring flange 33 of axle sleeve 29, there are three place's pits 21, steel ball drops in pit 21 under the effect of spring, so just realize the locking for the second time of shift fork.The beneficial effects of the utility model are: it has speed change accurate stable, and have two place's steel ball speed change locking devices to make speed changer that problem out of supply can not occur.
Description
Technical field
The present invention relates to gear, particularly a kind of die head threading machine gear.
Background technology
Die head threading machine mostly is two speed with speed changer at present, and because its speed change stroke is little, the bowstring discrepancy in elevation of the circular motion track of speed change wabbler mechanism is little, can avoid its movement interference by the method in the gap of strengthening shift fork and 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 large, just can not avoid its movement interference with the gap of strengthening shift fork and gear.
And the manipulation of the gear change hand lever of current three fast speed change die head threading machines is distant, the rocking of control lever shaft, beat are very unfavorable to speed change, if can not effectively overcome the rocking of control lever shaft, beat power, axle sleeve is shaken up, gear had just lost efficacy, because cost and machine space do not allow, eliminate the rocking of control lever shaft, beat so can not increase other mechanisms, can only use the speed change that is rigidly connected.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art, the die head threading machine gear that a kind of speed change accurate stable, speed changer can be not out of supply and cost is low is provided.
Object of the present invention is achieved through the following technical solutions: a kind of die head threading machine gear, it comprises gearbox body and is arranged on the case lid on gearbox body, in described casing, be provided with transmission mechanism and the shift fork gear of realizing transmission mechanism speed change, described shift fork gear comprises shift fork and rocking arm, the centre of described shift fork offers an axis hole, in axis hole, be set with an axis of guide, 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 is fixed with holding screw, on a termination of described shift fork, be provided with the boss of rectangle, on axle head on described rocking arm, offer a rectangular channel, boss coordinates with rectangular channel, in the axle head of described rocking arm, offer a screwed hole, steel ball is installed in screwed hole from left to right successively, spring, holding screw, the axle head of rocking arm uses back-up ring to fix, in the hole of the other end of rocking arm, be fixedly connected with through control lever shaft and with key, described control lever shaft is also 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, described control lever shaft is through eccentric positioning sleeve, 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, gear change hand lever is installed on handle set.
Described transmission mechanism comprises motor, motor gear, first order driven shaft, second level driving shaft and output gear shaft, on described first order driven shaft, be set with first order driven gear, described first order driven gear coordinates with motor gear, on described second level driving shaft, high speed third wheel is installed, middling speed driving wheel, low speed driving wheel, described low speed driving wheel is between high speed third wheel and middling speed driving wheel, bearing is equipped with at the two ends of described second level driving shaft, bearing is arranged on gearbox body and case lid, high speed driven gear is installed on described output gear shaft, middling speed driven gear, low speed driven gear, wherein low speed driven gear is between high speed driven gear and middling speed driven gear, bearing is equipped with on the both sides of described output gear shaft, 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 middling speed driven gear are provided with dog-clutch A near the end face of low speed driven gear one end, low speed driven gear both ends of the surface are provided with dog-clutch B, on described output gear shaft, be provided with a square key, dog-clutch A on dog-clutch A and middling speed driven gear on described high speed driven gear is positioned at the two ends of square key, described square key is assembled together two ends with low speed driven gear and the output gear shaft of dog-clutch B, the two ends of described square key are provided with step and push down with annulus respectively, shift fork is clamped low speed driven gear from two sides.
On described boss, have two place's V-shaped grooves, steel ball drops in the V-shaped groove on the boss of shift fork termination under the effect of spring.
Described eccentric positioning sleeve is axially installed with steel ball, spring, and holding screw has three place's pits on the imperfect ring flange of axle sleeve, and steel ball drops in pit under the effect of spring.
Described control lever shaft is processed with breach with the section of cooperation of axle sleeve.
Described axle sleeve is arranged on gearbox body by screw, and leaves the space that facilitates screw to install between ring flange on axle sleeve and disk.
The present invention has the following advantages: gear speed change accurate stable of the present invention, and be provided with two place's steel ball speed change locking devices, thereby can there is not phenomenon out of supply in speed changer.
Brief description of the drawings
Fig. 1 is 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 driving shaft, 8-high speed third wheel, 9-middling speed driving wheel, 10-low speed driving wheel, 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, 21-pit, 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, the eccentric positioning sleeve of 34-, 35-gear change hand lever.
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 comprises gearbox body 1 and is arranged on the case lid 2 on gearbox body 1, in described casing 1, be provided with transmission mechanism and the shift fork gear of realizing transmission mechanism speed change, it is characterized in that: described shift fork gear comprises shift fork 19 and rocking arm 25, the centre of described shift fork 19 offers an axis hole, in axis hole, be set with an axis of guide 20, 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 is fixed with holding screw, on a termination of described shift fork 19, be provided with the boss 23 of rectangle, on axle head on described rocking arm 25, offer a rectangular channel 22, boss 23 coordinates with rectangular channel 22, in the axle head of described rocking arm 25, offer a screwed hole, steel ball is installed in screwed hole from left to right successively, spring, holding screw, the axle head of rocking arm 25 uses back-up ring 26 fixing, in the hole of the other end of rocking arm 25, be fixedly connected with through control lever shaft 27 and with key, described control lever shaft 27 is also 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 with holes 28, 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, described control lever shaft 27 is through eccentric positioning sleeve 34, and be connected with control lever shaft 27 with pin 30, control lever shaft 27 is processed with breach 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, gear change hand lever 35 is installed on handle set 31.
In the present embodiment, as shown in Figure 2, described transmission mechanism comprises motor 3, motor gear 4, first order driven shaft 6, second level driving shaft 7 and output gear shaft 11, on described first order driven shaft 6, be set with first order driven gear 5, described first order driven gear 5 coordinates with motor gear 4, on described second level driving shaft 7, high speed third wheel 8 is installed, middling speed driving wheel 9, low speed driving wheel 10, described low speed driving wheel 10 is between high speed third wheel 8 and middling speed driving wheel 9, bearing is equipped with at the two ends of described second level driving shaft 7, bearing is arranged on gearbox body 1 and case lid 2, on described output gear shaft 11, high speed driven gear 12 is installed, 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, bearing is equipped with on the both sides of described output gear shaft 11, 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 middling speed driven gear 13 are provided with dog-clutch A15 near the end face of low speed driven gear 14 one end, low speed driven gear 14 both ends of the surface are provided with dog-clutch B16, on described output gear shaft 11, be provided with a square key 17, dog-clutch A15 on dog-clutch A15 and middling speed driven gear 13 on described high speed driven gear 12 is positioned at the two ends of square key 17, described square key 17 is assembled together with the low speed driven gear 14 of dog-clutch B16 two ends with output gear shaft 11, the two ends of described square key 17 are provided with step and push down with annulus 18 respectively, shift fork 19 is clamped low speed driven gear 14 from two sides.
In the present embodiment, as shown in Figure 3, on boss 23, there are 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 effect of spring, thereby play the effect of locking gear, make speed changer have locking for the first time, because shift fork 19 is to align installation to the sliding space of low speed driven gear 14, in the time that speed change mediates gear, steel ball drops in the V-shaped groove 24 of top, when speed change during in both sides gear steel ball all drop in following V-shaped groove 24.
In the present embodiment, as shown in Figure 5, in order to realize the locking for the second time of speed changer, described eccentric positioning sleeve 34 is axially installed with steel ball, spring, holding screw, on the imperfect ring flange 33 of axle sleeve 29, there are three place's pits 21, steel ball drops in pit 21 under the effect of spring, and due to the rocking of control lever shaft 27, beat, being locked in for the first time in speed changer do not have any sensation on gear change hand lever 35, this is very unfavorable to operation, can not feel whether speed change puts in place, have after locking for the second time, at gear change hand lever, 35 places just have the sensation putting 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 to reduce the size of disk 28, between ring flange 33 on described axle sleeve 29 and disk 28, leave the space that facilitates screw to install, screw just can axial being arranged on axle sleeve 29 on gearbox body 1 in this space like this, dwindled further the size of decelerator.
The present invention is in order to realize speed change accurate stable, and problem out of supply can not occur speed changer, realizes in an embodiment by following three steps:
One, shift fork 19 is located: in shift fork 19, be provided with the axis hole with keyway, axis hole inner sleeve has the axis of guide 20, the two ends of the axis of guide 20 are arranged on gearbox body 1 and case lid 2, wherein one end is fixed with holding screw, shift fork 19 can move in fixing orientation like this, and can make shift fork 19 align and clamp low speed driven gear 14, realize the location of shift fork 19;
Two, shift fork locks for the first time: the boss 23 that is provided with rectangle on a termination of shift fork 19, on axle head on described rocking arm 25, offer a rectangular channel 22, boss 23 coordinates with rectangular channel 22, in the axle head of described rocking arm 25, offer a screwed hole, steel ball is installed in screwed hole from left to right successively, spring, holding screw, the axle head of rocking arm 25 uses back-up ring 26 fixing, on boss 23, there are two V-shaped grooves 24, steel ball drops in V-shaped groove 24 by the effect of spring, play the effect of locking gear, so just realize the primary locking of shift fork, because shift fork 19 is to align installation to the sliding space of low speed driven gear 14, in the time that speed change mediates gear, steel ball drops in the V-shaped groove 24 of top, when speed change during in both sides gear steel ball all drop in following V-shaped groove 24,
Three, shift fork locks for the second time: eccentric positioning sleeve 34 is provided with steel ball vertically, spring, holding screw has three place's pits 21 on the imperfect ring flange 33 of axle sleeve 29, steel ball drops in pit 21 under the effect of spring, has so just realized the locking for the second time of shift fork;
The course of work of the present invention is as follows: opening power, motor 3 is rotated, speed changer running, adjust the output speed of speed changer according to need of work, hold gear change hand lever 35 and make its rotation, 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, drive shift fork 19 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 speed changer and middling speed are to be engaged with the dog-clutch A15 of high speed driven gear 12 and middling speed driven gear 13 and realized by the dog-clutch B16 on low speed driven gear 14 two sides, and being low speed driven gear 14, low speed directly engages realization with low speed driving wheel 10, in the time of speed changer 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, coordinate with the rectangular boss 23 on shift fork 19 by the rectangular channel 22 on axle head, circular motion is converted into the axially-movable of shift fork 19 on the axis of guide 20, between the rectangular boss 23 on rectangular channel 22 and the shift fork 19 on axle head, be sliding relation.
Claims (7)
1. a die head threading machine gear, it comprises gearbox body (1) and is arranged on the case lid (2) on gearbox body (1), in described casing (1), be provided with transmission mechanism and the shift fork gear of realizing transmission mechanism speed change, it is characterized in that: described shift fork gear comprises shift fork (19) and rocking arm (25), the centre of described shift fork (19) offers an axis hole, in axis hole, be set with an axis of guide (20), 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 is fixed with holding screw, on a termination of described shift fork (19), be provided with the boss (23) of rectangle, on axle head on described rocking arm (25), offer a rectangular channel (22), boss (23) coordinates with rectangular channel (22), in the axle head of described rocking arm (25), offer a screwed hole, steel ball is installed in screwed hole from left to right successively, spring, holding screw, the axle head of rocking arm (25) uses back-up ring (26) fixing, in the hole of the other end of rocking arm (25), be fixedly connected with through control lever shaft (27) and with key, described control lever shaft (27) is also through the axle sleeve (29) being arranged on gearbox body (1), the centre of described axle sleeve (29) is provided with disk with holes (28), 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), described control lever shaft (27) is through eccentric positioning sleeve (34), 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, gear change hand lever (35) is installed on handle set (31).
2. a kind of die head threading machine gear according to claim 1, it is characterized in that: described transmission mechanism comprises motor (3), motor gear (4), first order driven shaft (6), second level driving shaft (7) and output gear shaft (11), on described first order driven shaft (6), be set with first order driven gear (5), described first order driven gear (5) coordinates with motor gear (4), on described second level driving shaft (7), high speed third wheel (8) is installed, middling speed driving wheel (9), low speed driving wheel (10), described low speed driving wheel (10) is positioned between high speed third wheel (8) and middling speed driving wheel (9), bearing is equipped with at the two ends of described second level driving shaft (7), bearing is arranged on gearbox body (1) and case lid (2), on described output gear shaft (11), high speed driven gear (12) is installed, 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), bearing is equipped with on the both sides of described output gear shaft (11), 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 middling speed driven gear (13) are provided with dog-clutch A (15) near the end face of low speed driven gear (14) one end, low speed driven gear (14) both ends of the surface are provided with dog-clutch B (16), on described output gear shaft (11), be provided with a square key (17), dog-clutch A(15 on described 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 use respectively annulus (18) to push down, shift fork (19) is clamped low speed driven gear (14) from two sides.
4. a kind of die head threading machine gear according to claim 1, is characterized in that: on described boss (23), have two place's V-shaped grooves (24), steel ball drops in the V-shaped groove (24) on shift fork (9) termination boss (23) under the effect of 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, on the imperfect ring flange (33) of axle sleeve (29), have three place's pits (21), steel ball drops in pit (21) under the effect of spring.
6. a kind of die head threading machine gear according to claim 1, is characterized in that: described control lever shaft (27) is processed with breach (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: it is upper that described axle sleeve (29) is arranged on gearbox body (1) by screw, and leave the space that facilitates screw installation between ring flange (33) on axle sleeve (29) and disk (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420355490.2U CN203973261U (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 |
|---|---|---|---|
| CN201420355490.2U CN203973261U (en) | 2014-06-30 | 2014-06-30 | A kind of die head threading machine gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203973261U true CN203973261U (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420355490.2U Withdrawn - After Issue CN203973261U (en) | 2014-06-30 | 2014-06-30 | A kind of die head threading machine gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203973261U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070398A (en) * | 2014-06-30 | 2014-10-01 | 成都中电锦江信息产业有限公司 | Speed change mechanism for diehead threading machine |
| CN106853591A (en) * | 2015-12-09 | 2017-06-16 | 安徽鸿远机电科技有限公司 | A kind of lathe arrangements for speed regulation |
-
2014
- 2014-06-30 CN CN201420355490.2U patent/CN203973261U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070398A (en) * | 2014-06-30 | 2014-10-01 | 成都中电锦江信息产业有限公司 | Speed change mechanism for diehead threading machine |
| CN106853591A (en) * | 2015-12-09 | 2017-06-16 | 安徽鸿远机电科技有限公司 | A kind of lathe arrangements for speed regulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141203 Effective date of abandoning: 20160622 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |