CN211314995U - Automatic gear shifting mechanism for machine tool spindle - Google Patents
Automatic gear shifting mechanism for machine tool spindle Download PDFInfo
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- CN211314995U CN211314995U CN201922325241.4U CN201922325241U CN211314995U CN 211314995 U CN211314995 U CN 211314995U CN 201922325241 U CN201922325241 U CN 201922325241U CN 211314995 U CN211314995 U CN 211314995U
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- gear
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- sliding gear
- main shaft
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- 230000005540 biological transmission Effects 0.000 claims abstract description 81
- 208000032369 Primary transmission Diseases 0.000 claims description 13
- 208000032370 Secondary transmission Diseases 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model discloses a lathe main shaft automatic gear shifting mechanism relates to main shaft technical field, this lathe main shaft automatic gear shifting mechanism, including forward pair sliding gear, forward pair sliding gear's fixed surface is connected with the speed change shift fork, the one end fixedly connected with speed governing hydraulic stem of forward pair sliding gear is kept away from to the speed change shift fork, the one end fixedly connected with control box of speed change shift fork is kept away from to the speed governing hydraulic stem, forward pair sliding gear's middle part swing joint has the secondary drive axle. This lathe main shaft automatic gearshift moves through the variable speed shift fork and drives forward pair sliding gear and slide along the secondary drive axle, and then adjusts the meshing gear between forward pair sliding gear and change gear and the forward drive gear, adjusts the drive ratio between one-level transmission shaft to the transmission main shaft through adjusting different gear engagement, can adjust the rotational speed of transmission main shaft, improves the process window of main shaft, improves the efficiency of processing.
Description
Technical Field
The utility model relates to a main shaft technical field specifically is a lathe main shaft automatic gearshift.
Background
The main shaft of the machine tool refers to a shaft on the machine tool for driving a workpiece or a cutter to rotate. The main shaft component is generally composed of a main shaft, a bearing, a transmission member (gear or pulley), and the like. The machine is mainly used for supporting transmission parts such as gears and belt wheels and transmitting motion and torque, such as a machine tool spindle; some are used to clamp a workpiece, such as a mandrel. Most of machine tools have a spindle unit except for a planer, a broaching machine, and the like, which are linearly moved in main motion. The movement accuracy and structural rigidity of the spindle unit are important factors determining the machining quality and the cutting efficiency. However, the conventional machine tool spindle has problems in machining:
1. the existing machine tool main shaft is generally in first-stage transmission, the transmission ratio cannot be changed, the rotating speed of the machine tool main shaft is fixed, and the efficiency of processing some workpieces is low;
2. when the existing machine tool main shaft is processed, the rotating direction is fixed, the rotating direction of the main shaft is not easy to change, and the processing efficiency of the main shaft is low.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a lathe main shaft automatic gear shifting mechanism has solved above-mentioned problem through the regulation of variable speed shift fork and the regulation of reverse shift fork.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an automatic gear shifting mechanism of a machine tool spindle comprises a spindle box, wherein a first-stage transmission shaft is fixedly connected to the top end of the spindle box, a forward speed change gear is fixedly mounted at one end of the first-stage transmission shaft, a forward duplex sliding gear is meshed at one end of the forward speed change gear, a speed change shifting fork is fixedly connected to the surface of the forward duplex sliding gear, a speed regulation hydraulic rod is fixedly connected to one end, away from the forward duplex sliding gear, of the speed change shifting fork, a control box is fixedly connected to one end, away from the speed change shifting fork, of the speed regulation hydraulic rod, a second-stage transmission shaft is movably connected to the middle of the forward duplex sliding gear, a forward transmission gear is meshed at one end of the forward duplex sliding gear, a transmission spindle is fixedly mounted at the middle of the forward transmission gear, a reverse transmission gear is fixedly mounted at the other end of the first-stage transmission shaft, and, reverse pair sliding gear's reverse shift fork of fixed surface, reverse pair sliding gear's one end fixedly connected with diversion hydraulic stem is kept away from to reverse shift fork, reverse pair sliding gear's middle part movable mounting has tertiary transmission shaft, reverse pair sliding gear's one end meshing has the diversion gear, diversion gear's middle part fixed mounting has the level four transmission shaft, diversion gear's one end meshing has reverse drive gear, the fixed surface of one-level transmission shaft installs driving pulley, the drive belt has been cup jointed at the middle part of driving pulley, the one end that driving pulley was kept away from to the drive belt is pegged graft and is had driving pulley, driving pulley's middle part fixed mounting has driving motor.
Optionally, a fixing hole matched with the first-stage transmission shaft is formed in the top end of the spindle box, a mounting hole matched with the transmission main shaft is formed in the bottom end of the spindle box, and a slotted hole matched with the second-stage transmission shaft and the fourth-stage transmission shaft is formed in the spindle box.
Optionally, one end of the speed change shifting fork is provided with a clamping groove matched with the forward duplex sliding gear, and the other end of the speed change shifting fork is provided with a fixing groove matched with the speed regulation hydraulic rod.
Optionally, a fixing hole matched with the speed regulation hydraulic rod is formed in one end of the bottom of the control box, and a notch matched with the direction changing hydraulic rod is formed in one end of the top of the control box.
Optionally, one end of the reverse shifting fork is provided with a clamping groove matched with the reverse duplex sliding gear, and the other end of the reverse shifting fork is provided with a fixing groove matched with the turning hydraulic rod.
Optionally, one end of the turning hydraulic rod is fixedly connected with the control box, and the reverse transmission gear is located at one end of the transmission main shaft.
Optionally, an interference fit is formed between the transmission belt wheel and the primary transmission shaft, and a transition fit is formed between the driving belt wheel and the driving motor.
(III) advantageous effects
The utility model provides a lathe main shaft automatic gear shifting mechanism possesses following beneficial effect:
1. this lathe main shaft automatic gear shifting mechanism, control the speed governing hydraulic stem through the control box and stretch out and draw back, make the speed governing hydraulic stem drive the speed changing shift fork and remove, it slides along the secondary drive axle to move drive forward pair sliding gear through the speed changing shift fork, and then adjust the meshing gear between forward pair sliding gear and change gear and the forward drive gear, adjust the drive ratio between one-level transmission shaft to the transmission main shaft through adjusting different gear engagement, can adjust the rotational speed of transmission main shaft, improve the range of processing of transmission main shaft, improve the efficiency of processing.
2. This lathe main shaft automatic gear shifting mechanism, through control box control speed governing hydraulic stem and diversion hydraulic stem removal, make the speed governing hydraulic stem pass through the speed change shift fork and drive forward pair sliding gear and remove, make the meshing disconnection between forward pair sliding gear and the forward speed change gear, and simultaneously, make the diversion hydraulic stem pass through reverse shift fork and drive reverse pair sliding gear and remove, make reverse pair sliding gear and reverse speed change gear and diversion gear meshing, and then make the rotation direction of transmission main shaft change, can carry out quick regulation to the rotation of main shaft, the efficiency of improvement main shaft processing.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
fig. 3 is a schematic structural view of the transmission shaft of the present invention;
fig. 4 is a schematic structural diagram of the control box of the present invention.
In the figure: 1-a main shaft box, 2-a primary transmission shaft, 3-a forward speed change gear, 4-a forward duplex sliding gear, 5-a speed change fork, 6-a speed regulation hydraulic rod, 7-a control box, 8-a secondary transmission shaft, 9-a forward transmission gear, 10-a transmission main shaft, 11-a reverse speed change gear, 12-a reverse duplex sliding gear, 13-a reverse fork, 14-a direction change hydraulic rod, 15-a tertiary transmission shaft, 16-a direction change gear, 17-a quaternary transmission shaft, 18-a reverse transmission gear, 19-a transmission belt wheel, 20-a transmission belt, 21-a driving belt wheel and 22-a driving motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, the present invention provides a technical solution: an automatic gear shifting mechanism of a machine tool spindle comprises a spindle box 1, a primary transmission shaft 2 is fixedly connected to the top end of the spindle box 1, a forward speed change gear 3 is fixedly mounted at one end of the primary transmission shaft 2, a forward duplex sliding gear 4 is meshed at one end of the forward speed change gear 3, a speed change fork 5 is fixedly connected to the surface of the forward duplex sliding gear 4, a speed regulation hydraulic rod 6 is fixedly connected to one end, away from the forward duplex sliding gear 4, of the speed change fork 5, a control box 7 is fixedly connected to one end, away from the speed change fork 5, of the speed regulation hydraulic rod 6, a secondary transmission shaft 8 is movably connected to the middle of the forward duplex sliding gear 4, a forward transmission gear 9 is meshed at one end of the forward duplex sliding gear 4, a transmission spindle 10 is fixedly mounted at the middle of the forward transmission spindle 9, a reverse speed change gear 11 is fixedly mounted at the other end of the primary transmission shaft 2, a reverse shifting fork 13 is fixedly connected to the surface of the reverse duplex sliding gear 12, a direction-changing hydraulic rod 14 is fixedly connected to one end of the reverse shifting fork 13, which is far away from the reverse duplex sliding gear 12, a three-stage transmission shaft 15 is movably installed in the middle of the reverse duplex sliding gear 12, a direction-changing gear 16 is meshed at one end of the reverse duplex sliding gear 12, a four-stage transmission shaft 17 is fixedly installed in the middle of the direction-changing gear 16, a reverse transmission gear 18 is meshed at one end of the direction-changing gear 16, a transmission belt pulley 19 is fixedly installed on the surface of the first-stage transmission shaft 2, a transmission belt 20 is sleeved in the middle of the transmission belt pulley 19, a driving belt pulley 21 is inserted at one end of the transmission belt 20, a driving motor 22 is fixedly installed in the middle of the driving belt pulley 21, a fixing hole matched with the first-stage transmission shaft, a slotted hole matched with the second-stage transmission shaft 8 and the fourth-stage transmission shaft 17 is formed in the spindle box 1, one end of a speed-changing shifting fork 5 is provided with a clamping groove matched with the forward duplex sliding gear 4, the other end of the speed-changing shifting fork 5 is provided with a fixing groove matched with the speed-regulating hydraulic rod 6, the speed-changing shifting fork 5 and the speed-regulating hydraulic rod 6 are convenient to fix, one end of the bottom of a control box 7 is provided with a fixing hole matched with the speed-regulating hydraulic rod 6, one end of the top of the control box 7 is provided with a notch matched with the direction-changing hydraulic rod 14, the direction-changing hydraulic rod 14 is convenient to fix, one end of a reverse shifting fork 13 is provided with a clamping groove matched with the reverse duplex sliding gear 12, the reverse shifting fork 13 can drive the reverse duplex sliding gear 12 to move, the other end of the reverse shifting fork 13 is provided with a fixing groove matched with, the extension length of the turning hydraulic rod 14 is controlled through the control box 7, the reverse transmission gear 18 is located at one end of the transmission main shaft 10, the main shaft is driven to rotate through the reverse transmission gear 18, the transmission belt wheel 19 and the primary transmission shaft 2 are in interference fit, the driving belt wheel 21 and the driving motor 22 are in transition fit, driving torque is provided for the main shaft through the driving motor 22, and the rotating torque of the driving motor 22 is transmitted to the primary transmission shaft 2 through belt transmission.
When the device is used, the driving motor 22 is started, the driving motor 22 drives the driving belt wheel 21 to rotate, the driving belt wheel 21 drives the driving belt 20 to rotate through friction, the driving belt 20 drives the driving belt wheel 19 to rotate through friction, the driving belt wheel 19 drives the primary transmission shaft 2 to rotate, the control box 7 controls the speed regulation hydraulic rod 6 to stretch and retract, the speed regulation hydraulic rod 6 drives the speed change shifting fork 5 to move, the speed change shifting fork 5 moves to drive the forward duplex sliding gear 4 to slide along the secondary transmission shaft 8, further, the meshing gears between the forward duplex sliding gear 4 and the speed change gear 3 and the forward transmission gear 9 are adjusted, the transmission ratio from the primary transmission shaft 2 to the transmission main shaft 10 is adjusted through adjusting different gear meshing, the rotating speed of the transmission main shaft 10 can be adjusted, the control box 7 controls the speed regulation hydraulic rod 6 and the direction change hydraulic rod 14 to move, the speed regulation hydraulic rod 6 drives the forward duplex sliding gear 4 to move through the speed change shifting fork 5, so that the meshing between the forward duplex sliding gear 4 and the forward speed change gear 3 is disconnected, meanwhile, the direction change hydraulic rod 14 drives the reverse duplex sliding gear 12 to move through the reverse shifting fork 13, so that the reverse duplex sliding gear 12 is meshed with the reverse speed change gear 11 and the direction change gear 16, and further the rotation direction of the transmission main shaft 10 is changed.
In conclusion, when the automatic machine tool spindle gear shifting mechanism is used, a user controls the speed adjusting hydraulic rod 6 to extend and retract through the control box 7, so that the speed adjusting hydraulic rod 6 drives the speed changing shifting fork 5 to move, the speed changing shifting fork 5 moves to drive the forward duplex sliding gear 4 to slide along the secondary transmission shaft 8, further the meshing gear between the forward duplex sliding gear 4 and the speed changing gear 3 and the forward transmission gear 9 is adjusted, the transmission ratio between the primary transmission shaft 2 and the transmission spindle 10 is adjusted by adjusting different gear meshing, the rotating speed of the transmission spindle 10 can be adjusted, the processing range of the transmission spindle 10 is increased, the processing efficiency is improved, the control box 7 controls the speed adjusting hydraulic rod 6 and the direction changing hydraulic rod 14 to move, so that the speed adjusting hydraulic rod 6 drives the forward duplex sliding gear 4 to move through the speed changing shifting fork 5, the meshing between the forward duplex sliding gear 4 and the forward speed changing gear 3 is disconnected, meanwhile, the direction changing hydraulic rod 14 drives the reverse duplex sliding gear 12 to move through the reverse shifting fork 13, the reverse duplex sliding gear 12 is meshed with the reverse speed changing gear 11 and the direction changing gear 16, the rotating direction of the transmission main shaft 10 is changed, the rotation of the main shaft can be quickly adjusted, and the machining efficiency of the main shaft is improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a lathe main shaft automatic gear shifting mechanism, includes headstock (1), its characterized in that: the transmission device comprises a main shaft box (1), a primary transmission shaft (2) is fixedly connected to the top end of the main shaft box (1), a forward speed change gear (3) is fixedly mounted at one end of the primary transmission shaft (2), a forward duplex sliding gear (4) is meshed at one end of the forward speed change gear (3), a speed change shifting fork (5) is fixedly connected to the surface of the forward duplex sliding gear (4), a speed regulation hydraulic rod (6) is fixedly connected to one end, away from the forward duplex sliding gear (4), of the speed change shifting fork (5), a control box (7) is fixedly connected to one end, away from the speed change shifting fork (5), of the forward duplex sliding gear (4), a secondary transmission shaft (8) is movably connected to the middle of the forward duplex sliding gear (4), a forward transmission gear (9) is meshed at one end of the forward duplex sliding gear (4), a transmission main shaft (10) is fixedly mounted at the middle, the other end fixed mounting of one-level transmission shaft (2) has reverse change gear (11), the one end meshing of reverse change gear (11) has reverse pair sliding gear (12), the fixed surface of reverse pair sliding gear (12) is connected with reverse shift fork (13), reverse shift fork (13) are kept away from one end fixedly connected with diversion hydraulic stem (14) of reverse pair sliding gear (12), the middle part movable mounting of reverse pair sliding gear (12) has tertiary transmission shaft (15), the one end meshing of reverse pair sliding gear (12) has change gear (16), the middle part fixed mounting of change gear (16) has fourth drive shaft (17), the one end meshing of change gear (16) has reverse drive gear (18), the fixed surface of one-level transmission shaft (2) installs driving pulley (19), the middle part of driving pulley (19) has cup jointed drive belt (20), the one end that driving pulley (19) were kept away from in drive belt (20) is pegged graft and is had driving pulley (21), the middle part fixed mounting of driving pulley (21) has driving motor (22).
2. The automatic gearshift mechanism for a spindle of a machine tool according to claim 1, wherein: the novel spindle box is characterized in that a fixing hole matched with the first-stage transmission shaft (2) is formed in the top end of the spindle box (1), a mounting hole matched with the transmission spindle (10) is formed in the bottom end of the spindle box (1), and a slotted hole matched with the second-stage transmission shaft (8) and the fourth-stage transmission shaft (17) is formed in the spindle box (1).
3. The automatic gearshift mechanism for a spindle of a machine tool according to claim 1, wherein: one end of the speed change shifting fork (5) is provided with a clamping groove matched with the forward duplex sliding gear (4), and the other end of the speed change shifting fork (5) is provided with a fixing groove matched with the speed regulation hydraulic rod (6).
4. The automatic gearshift mechanism for a spindle of a machine tool according to claim 1, wherein: the speed regulation hydraulic rod is characterized in that one end of the bottom of the control box (7) is provided with a fixing hole matched with the speed regulation hydraulic rod (6), and one end of the top of the control box (7) is provided with a notch matched with the direction changing hydraulic rod (14).
5. The automatic gearshift mechanism for a spindle of a machine tool according to claim 1, wherein: one end of the reverse shifting fork (13) is provided with a clamping groove matched with the reverse duplex sliding gear (12), and the other end of the reverse shifting fork (13) is provided with a fixing groove matched with the turning hydraulic rod (14).
6. The automatic gearshift mechanism for a spindle of a machine tool according to claim 1, wherein: one end of the direction-changing hydraulic rod (14) is fixedly connected with the control box (7), and the reverse transmission gear (18) is located at one end of the transmission main shaft (10).
7. The automatic gearshift mechanism for a spindle of a machine tool according to claim 1, wherein: the transmission belt wheel (19) and the primary transmission shaft (2) are in interference fit, and the driving belt wheel (21) and the driving motor (22) are in transition fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922325241.4U CN211314995U (en) | 2019-12-22 | 2019-12-22 | Automatic gear shifting mechanism for machine tool spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922325241.4U CN211314995U (en) | 2019-12-22 | 2019-12-22 | Automatic gear shifting mechanism for machine tool spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211314995U true CN211314995U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922325241.4U Expired - Fee Related CN211314995U (en) | 2019-12-22 | 2019-12-22 | Automatic gear shifting mechanism for machine tool spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211314995U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112621333A (en) * | 2020-12-23 | 2021-04-09 | 扬州力创机床有限公司 | Automatic gear shifting mechanism for machine tool spindle |
| CN113618286A (en) * | 2021-10-12 | 2021-11-09 | 江苏泰明易自动化设备有限公司 | Accurate quick location of quartz boat is pretended and is connect welding process device |
-
2019
- 2019-12-22 CN CN201922325241.4U patent/CN211314995U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112621333A (en) * | 2020-12-23 | 2021-04-09 | 扬州力创机床有限公司 | Automatic gear shifting mechanism for machine tool spindle |
| CN113618286A (en) * | 2021-10-12 | 2021-11-09 | 江苏泰明易自动化设备有限公司 | Accurate quick location of quartz boat is pretended and is connect welding process device |
| CN113618286B (en) * | 2021-10-12 | 2021-12-03 | 江苏泰明易自动化设备有限公司 | Accurate quick location of quartz boat is pretended and is connect welding process device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200821 |