CN219755284U - Speed change structure of gear box of threading machine - Google Patents
Speed change structure of gear box of threading machine Download PDFInfo
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- CN219755284U CN219755284U CN202320777668.1U CN202320777668U CN219755284U CN 219755284 U CN219755284 U CN 219755284U CN 202320777668 U CN202320777668 U CN 202320777668U CN 219755284 U CN219755284 U CN 219755284U
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- 239000000835 fiber Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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- Gear-Shifting Mechanisms (AREA)
Abstract
A speed change structure of a gear box of a threading machine, which belongs to the technical field of speed change boxes of threading machines; including motor and gearbox, the motor is fixed on the gearbox and the output of motor extends to the gearbox inside, be equipped with output shaft and driving gear in the gearbox, the driving gear is fixed on the output of motor, is located between driving gear and the output shaft in the gearbox and is equipped with the reducing gear who is used for increasing output shaft moment of torsion, is equipped with the gearshift that is used for adjusting output shaft rotational speed on the gearbox, is equipped with the stop gear who is used for preventing the gear-shifting on the gearshift, the part that is located the gearbox on the output shaft is provided with bush and slider, installs the gear-shifting on the bush, be equipped with meshing mechanism between slider and the gear-shifting. According to the utility model, the limiting mechanism is arranged on the gear shifting mechanism, so that the gear shifting mechanism can be prevented from being out of gear when the rotating speed of the output shaft is regulated, the damage condition of the transmission is avoided, the original gear shifting mode is not changed, and the gear shifting mechanism is convenient for operators to use.
Description
Technical Field
The utility model belongs to the technical field of gear boxes of threading machines, and particularly relates to a speed change mechanism of a gear box of a threading machine.
Background
At present, a threading machine is generally adopted for thread processing of a pipeline, when the threading machine works, firstly a pipe to be processed is put into a pipe chuck to be impacted and clamped, a starting switch is pressed down, the pipe rotates along with the chuck, the size of a threading die opening on a threading die head is adjusted, the length of a threading die opening is set, then a cutting hand wheel is pulled, a threading die on the threading die head is tightly attached to the end part of the rotating pipe with constant force, the threading die automatically cuts threading, a power supply is closed after the threading die finishes processing, then a pipeline is taken out, the chuck drives the rotating speed changer to rotate through a motor, a gear shifting mechanism is generally arranged on the speed changer of the existing threading machine to adjust the transmission ratio of the speed changer, and therefore the rotating speed of the chuck is adjusted.
Disclosure of Invention
The utility model mainly solves the technical problems in the prior art and provides a speed change structure of a gear box of a threading machine.
The technical problems of the utility model are mainly solved by the following technical proposal: the utility model provides a speed change structure of mantle fiber machine gear box, includes motor and gearbox, the motor is fixed on the gearbox and the output of motor extends to the gearbox inside, be equipped with output shaft and driving gear in the gearbox, driving gear fixes on the output of motor, lies in the gearbox and is equipped with the reducing gear who is used for increasing output shaft moment of torsion between driving gear and the output shaft, is equipped with the gearshift that is used for adjusting output shaft rotational speed on the gearbox, is equipped with the stop gear who is used for preventing the gear-out on the gearshift, the part that lies in the gearbox on the output shaft is provided with bush and slider, installs gear on the bush, be equipped with meshing mechanism between slider and the gear.
Preferably, the gear shifting mechanism comprises a gear shifting shaft, a gear shifting cover, a gear shifting arm and a gear shifting fork, the gear shifting cover is fixed on a gearbox, the gear shifting shaft is rotatably arranged in the gear shifting cover, two ends of the gear shifting arm are respectively fixed with the gear shifting shaft and the gear shifting fork, the gear shifting fork is inserted into an annular groove formed in the sliding block, and the limiting mechanism is arranged between the gear shifting fork and the gear shifting cover.
Preferably, the limiting mechanism comprises limiting grooves, self-locking springs and positioning balls, 3 limiting grooves are formed in the side wall of the gear shifting cover, guide grooves are formed in the gear shifting fork, the self-locking springs are fixed in the guide grooves, and the positioning balls are propped against one of the limiting grooves by the self-locking springs.
Preferably, the engagement mechanism includes a first latch and a second latch which are engageable with each other at the time of shifting, the first latch being fixed to the slider, and the second latch being fixed to the speed change gear.
Preferably, the number of the bushings is 2, the 2 bushings are all rotationally arranged on the output shaft, the sliding block is positioned between the 2 bushings and is connected with the output shaft in a sliding mode, the speed changing gear comprises a speed increasing gear and a speed reducing gear, the speed increasing gear and the speed reducing gear are respectively fixed on the 2 bushings, first clamping teeth are symmetrically fixed on the left side and the right side of the sliding block, and second clamping teeth are respectively fixed on the speed increasing gear and the speed reducing gear.
Preferably, the speed reducing mechanism comprises a first shaft, a second shaft and a third shaft, the first shaft, the second shaft and the third shaft are all rotated and are installed in the gearbox in an up-down staggered mode, the first shaft is fixedly provided with a first gear and a second gear which are meshed with a driving gear, the second shaft is fixedly provided with a third gear and a fourth gear which are meshed with the first gear, the third shaft is fixedly provided with a fifth gear and a sixth gear which are meshed with a fourth gear and a speed increasing gear respectively, and the sixth gear is meshed with the speed reducing gear.
The utility model has the beneficial effects that:
compared with the prior art, the self-locking spring can support the positioning ball in the limiting groove to prevent the first latch and the second latch from being separated to cause gear shift when the output shaft rotates when the output shaft shifts gears by arranging the limiting mechanism between the gear shifting cover and the gear shifting fork, so that the damage of the transmission is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic illustration of the structure within the transmission of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2 at A;
FIG. 4 is a schematic cross-sectional view of a shift mechanism of the present utility model;
fig. 5 is a schematic cross-sectional structure of the output shaft.
In the figure: 1. a motor; 2. a gearbox; 3. an output shaft; 4. a drive gear; 5. a speed reducing mechanism; 6. a gear shifting mechanism; 7. a limiting mechanism; 8. a bushing; 9. a slide block; 10. a speed change gear; 11. a meshing mechanism; 12. a shift shaft; 13. a shift cover; 14. a shift arm; 15. a shift fork; 16. an annular groove; 17. a limit groove; 18. a self-locking spring; 19. a positioning ball; 20. a guide groove; 21. a first latch; 22. a second latch; 23. a speed increasing gear; 24. a reduction gear; 25. a first shaft; 26. a second shaft; 27. a third shaft; 28. a first gear; 29. a second gear; 30. a third gear; 31. a fourth gear; 32. a fifth gear; 33. and a gear six.
Detailed Description
The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.
Examples: 1-5, including motor 1 and gearbox 2, motor 1 is fixed on gearbox 2 and the output of motor 1 extends to the gearbox 2 inside, be equipped with output shaft 3 and driving gear 4 in the gearbox 2, driving gear 4 is fixed on motor 1's output, be equipped with the reducing gear 5 that is used for increasing output shaft 3 moment of torsion between driving gear 4 and output shaft 3 in the gearbox 2, be equipped with the gearshift 6 that is used for adjusting output shaft 3 rotational speed on the gearbox 2, be equipped with the stop gear 7 that is used for preventing the gear-shifting on the gearshift 6, output shaft 3 is located gearbox 2 and is provided with bush 8 and slider 9, and output shaft 3 is the integral key shaft, slider 9 and output shaft 3 coupling and can horizontal slip about on output shaft 3, install gear 10 on the bush 8, be equipped with meshing mechanism 11 between slider 9 and gear 10.
Further, the gear shifting mechanism 6 comprises a gear shifting shaft 12, a gear shifting cover 13, a gear shifting arm 14 and a gear shifting fork 15, the gear shifting cover 13 is fixed on the gearbox 2, the gear shifting shaft 12 is rotatably arranged in the gear shifting cover 13, two ends of the gear shifting arm 14 are respectively fixed with the gear shifting shaft 12 and the gear shifting fork 15, the gear shifting fork 15 is inserted into an annular groove 16 formed in the sliding block 9, and the limiting mechanism 7 is arranged between the gear shifting fork 15 and the gear shifting cover 13.
Further, the limiting mechanism 7 includes a limiting groove 17, a self-locking spring 18 and a positioning ball 19, 3 limiting grooves 17 are formed in the side wall of the gear shifting cover 13, the limiting groove 17 is a hemispherical groove and is matched with the positioning ball 19, a guiding groove 20 is formed in the gear shifting fork 15, the self-locking spring 18 is fixed in the guiding groove 20, and the positioning ball 19 is abutted to one of the limiting grooves 17 by the self-locking spring 18.
Further, the engagement mechanism 11 includes a first latch 21 and a second latch 22 that are engageable with each other at the time of shifting, the first latch 21 being fixed to the slider 9, and the second latch 22 being fixed to the speed change gear 10.
Further, the number of the bushings 8 is 2, the 2 bushings 8 are all rotatably arranged on the output shaft 3, the sliding block 9 is located between the 2 bushings 8 and is slidably connected with the output shaft 3, the speed change gear 10 comprises a speed increasing gear 23 and a speed reducing gear 24, the speed increasing gear 23 and the speed reducing gear 24 are respectively fixed on the 2 bushings 8, the first clamping teeth 21 are symmetrically fixed on the left side and the right side of the sliding block 9, and the second clamping teeth 22 are respectively fixed on the speed increasing gear 23 and the speed reducing gear 24.
Further, the speed reducing mechanism 5 includes a first shaft 25, a second shaft 26 and a third shaft 27, the first shaft 25, the second shaft 26 and the third shaft 27 are all rotated and installed in the gearbox 2 in an up-down staggered manner, the first shaft 25 is fixed with a first gear 28 and a second gear 29, the first gear 28 is meshed with the driving gear 4, the second shaft 26 is fixed with a third gear 30 and a fourth gear 31, the third gear 30 is meshed with the second gear 29, the third shaft 27 is fixed with a fifth gear 32 and a sixth gear 33, the fifth gear 32 is meshed with the fourth gear 31 and the speed increasing gear 23, and the sixth gear 33 is meshed with the speed reducing gear 24.
The principle of the utility model is as follows:
when the rotating speed of the output shaft 3 needs to be regulated, an operator drives a shifting fork 15 on a shifting arm 14 to push a sliding block 9 to horizontally slide to a position of a speed reducing gear 24/speed increasing gear 23 along the output shaft 3 by rotating a shifting shaft 12 left and right, a first latch 21 on one side of the sliding block 9 is meshed with a second latch 22 on the speed reducing gear 24/speed increasing gear 23, so that the aim of speed changing operation of the output shaft 3 is fulfilled, a positioning ball 19 moves into a limiting groove 17 corresponding to a gear from an original limiting groove 17 in the shifting process, and then the positioning ball 19 is abutted into the limiting groove 17 corresponding to the gear by a self-locking spring 18, so that the gear-shifting situation is avoided.
Finally, it should be noted that the above embodiments are merely representative examples of the present utility model. Obviously, the utility model is not limited to the above-described embodiments, but many variations are possible. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model should be considered to be within the scope of the present utility model.
Claims (6)
1. The utility model provides a speed change structure of mantle fiber machine gear box, includes motor (1) and gearbox (2), motor (1) are fixed on gearbox (2) and the output of motor (1) extends to gearbox (2) inside, its characterized in that: be equipped with output shaft (3) and driving gear (4) in gearbox (2), driving gear (4) are fixed on the output of motor (1), lie in between driving gear (4) and output shaft (3) in gearbox (2) and be equipped with reducing gear (5) that are used for increasing output shaft (3) moment of torsion, be equipped with on gearbox (2) and be used for adjusting gearshift (6) of output shaft (3) rotational speed, be equipped with on gearshift (6) and be used for preventing to take off stop gear (7), the part that lies in gearbox (2) on output shaft (3) is provided with bush (8) and slider (9), installs gear change (10) on bush (8), be equipped with meshing mechanism (11) between slider (9) and gear change (10).
2. The speed change structure of a mantle fiber machine gearbox according to claim 1, wherein: the gear shifting mechanism (6) comprises a gear shifting shaft (12), a gear shifting cover (13), a gear shifting arm (14) and a gear shifting fork (15), the gear shifting cover (13) is fixed on a gearbox (2), the gear shifting shaft (12) is rotatably arranged in the gear shifting cover (13), two ends of the gear shifting arm (14) are respectively fixed with the gear shifting shaft (12) and the gear shifting fork (15), the gear shifting fork (15) is inserted into an annular groove (16) formed in a sliding block (9), and the limiting mechanism (7) is arranged between the gear shifting fork (15) and the gear shifting cover (13).
3. A speed change structure of a mantle fiber machine gear box according to claim 2, wherein: the limiting mechanism (7) comprises limiting grooves (17), self-locking springs (18) and positioning balls (19), 3 limiting grooves (17) are formed in the side wall of the gear shifting cover (13), guide grooves (20) are formed in the gear shifting fork (15), the self-locking springs (18) are fixed in the guide grooves (20), and the positioning balls (19) are propped against one of the limiting grooves (17) by the self-locking springs (18).
4. The speed change structure of a mantle fiber machine gearbox according to claim 1, wherein: the engagement mechanism (11) comprises a first latch (21) and a second latch (22) which can be engaged with each other during gear shifting, the first latch (21) is fixed on the sliding block (9), and the second latch (22) is fixed on the speed change gear (10).
5. The speed change structure of a mantle fiber machine gearbox according to claim 4, wherein: the number of the bushings (8) is 2, the 2 bushings (8) are all rotationally arranged on the output shaft (3), the sliding block (9) is located between the 2 bushings (8) and is connected with the output shaft (3) in a sliding mode, the speed change gear (10) comprises a speed increasing gear (23) and a speed reducing gear (24), the speed increasing gear (23) and the speed reducing gear (24) are respectively fixed on the 2 bushings (8), first clamping teeth (21) are symmetrically fixed on the left side and the right side of the sliding block (9), and second clamping teeth (22) are respectively fixed on the speed increasing gear (23) and the speed reducing gear (24).
6. The speed change structure of a mantle fiber machine gearbox according to claim 5, wherein: the speed reducing mechanism (5) comprises a first shaft (25), a second shaft (26) and a third shaft (27), wherein the first shaft (25), the second shaft (26) and the third shaft (27) are all rotated and are installed in the gearbox (2) in an up-down staggered mode, the first shaft (25) is fixedly provided with a first gear (28) and a second gear (29) and the first gear (28) is meshed with the driving gear (4), a third gear (30) and a fourth gear (31) are fixedly arranged on the second shaft (26) and the third gear (30) is meshed with the second gear (29), a fifth gear (32) and a sixth gear (33) are fixedly arranged on the third shaft (27), the fifth gear (32) is meshed with the fourth gear (31) and the speed increasing gear (23) respectively, and the sixth gear (33) is meshed with the speed reducing gear (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320777668.1U CN219755284U (en) | 2023-03-31 | 2023-03-31 | Speed change structure of gear box of threading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320777668.1U CN219755284U (en) | 2023-03-31 | 2023-03-31 | Speed change structure of gear box of threading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219755284U true CN219755284U (en) | 2023-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320777668.1U Active CN219755284U (en) | 2023-03-31 | 2023-03-31 | Speed change structure of gear box of threading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219755284U (en) |
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2023
- 2023-03-31 CN CN202320777668.1U patent/CN219755284U/en active Active
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