CN208663227U - A kind of numerically-controlled machine tool gear - Google Patents
A kind of numerically-controlled machine tool gear Download PDFInfo
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- CN208663227U CN208663227U CN201821270706.XU CN201821270706U CN208663227U CN 208663227 U CN208663227 U CN 208663227U CN 201821270706 U CN201821270706 U CN 201821270706U CN 208663227 U CN208663227 U CN 208663227U
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- gear
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Abstract
The utility model discloses a kind of numerically-controlled machine tool gears, including input shaft disposed in parallel, shifting shaft, output shaft, one end of the input shaft is connected with motor, first gear and second gear are set on the driving shaft, the first power shift gear group and transmission gear group are set on the shifting shaft, the first power shift gear group is engaged with the first gear or second gear, the second power shift gear group is set on the output shaft, the second power shift gear group is engaged with the transmission gear group, the first power shift gear group and the second power shift gear group pass through slide assemblies respectively and connect with slide bar, and the first power shift gear group and the second power shift gear group are moved along the slide bar.The utility model can realize multi-gear transmission, and applicability is higher, and structure is simple.
Description
Technical field
The utility model relates to gear technical field, specially a kind of numerically-controlled machine tool gear.
Background technique
Numerically-controlled machine tool is a kind of high-precision, efficient automated machine tool, according to the program woven, automatically to straight line
The complex parts such as cylinder, oblique line cylinder, slot, worm screw are processed, and existing numerically-controlled machine tool realizes high-speed cutting using gear
Or slow cutting, traditional gear use hand gear, hand gear mechanism can not achieve full during lathe works
Process automation, working efficiency is low, and inconvenience is manipulated on lathe, most of existing to use hydraulic speed-changing or pass through electromagnetic clutch
Device is switched on or switched off realization speed change, but the hydraulic speed-changing of existing majority or can only realize two grades using electromagnetic clutch speed change
The applicability of speed change, gear is lower, application No. is: 201220038018.7 disclose a kind of numerically-controlled machine tool change set
Structure, including low-speed gear, high gear, on low-speed gear, high gear respectively be equipped with an electromagnetic clutch, low-speed gear,
High gear passes through deep groove ball bearing respectively and is mounted on transmission shaft, realizes difference by the connecting and disconnecting of electromagnetic clutch
The engaged gear of gear.Quickly become to realize in the case where main rotation is not slowed down, do not stopped by being switched on or switched off for electromagnetic clutch
Gear, greatly improves variable block efficiency, avoids the energy loss in main motor deceleration or stopped process, has saved the energy, and
And there is no shifting slide gear due to using electromagnetic clutch, variable block is more steady, accurate, reliable.However, this gear utilizes
Electromagnetic clutch and low-speed gear or high gear, which are connected, realizes low-speed or high-speed operating, and gear only has two grades of changes of height
Speed, applicability are lower.
Utility model content
The utility model in view of the above-mentioned problems of the prior art, provide a kind of achievable multi-gear transmission, applicability compared with
Height, the simple numerically-controlled machine tool gear of structure.
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of numerically-controlled machine tool variable-speed motor
Structure, including input shaft disposed in parallel, shifting shaft, output shaft, one end of the input shaft are connected with motor, on the input shaft
It is set with first gear and second gear, is set with the first power shift gear group and transmission gear group on the shifting shaft, described
One power shift gear group is engaged with the first gear or second gear, and the second power shift gear group, institute are set on the output shaft
It states the second power shift gear group to engage with the transmission gear group, the first power shift gear group and the second power shift gear group are led to respectively
It crosses slide assemblies to connect with slide bar, and the first power shift gear group and the second power shift gear group are moved along the slide bar.
Further: the first power shift gear group includes power shift gear a and power shift gear b, the power shift gear a and changes
It is connected between gear gear b described in first bearing, the power shift gear a and power shift gear b be sleeved on by the first bearing
On shifting shaft.
Further: the transmission gear group includes first stud gear and second stud gear, first gear teeth
Second bearing is connected between wheel and second stud gear, the first stud gear and second stud gear pass through described second
Bearing holder (housing, cover) is on the shifting shaft.
Further: the second power shift gear group includes power shift gear c and power shift gear d, the power shift gear c and changes
It is connected between gear gear d described in 3rd bearing, the power shift gear c and power shift gear d be sleeved on by the 3rd bearing
On output shaft.
Further: the slide assemblies include the first slide assemblies and the second slide assemblies, first slide assemblies
Including the first linking arm, through-hole is provided in the middle part of first linking arm, first linking arm is slided by the through-hole
It is sleeved on the output shaft, one end of first linking arm is fixedly connected with the first bearing, first linking arm
The other end be sleeved on the slide bar by the first sliding barrel, the output end of first sliding barrel and the first cylinder connects
It connects.
Further: second slide assemblies include the second linking arm, one end of second linking arm and described the
Three bearings are fixedly connected, and the other end of second linking arm is sleeved on the slide bar by the second sliding barrel, and described
Two sliding barrels are connect with the output end of the second cylinder.
Further: the first limit assembly and the second limit assembly, first limit assembly are set on the slide bar
Including the first block and the second block, first sliding barrel is set between first block and the second block, described
Second limit assembly includes third block and fourth gear block, and second sliding barrel is set to the third block and fourth gear
Between block.
Further: one end of first linking arm and the second linking arm is respectively equipped with arc link slot, the arc
Link slot is adapted with the outer wall of the first bearing, 3rd bearing.
The utility model has the beneficial effects that
1. compared with prior art, by by the way that the first power shift gear group and transmission gear group are arranged on shifting shaft,
The second power shift gear group is set in output shaft, pass is engaged by switching the first power shift gear group and first gear and second gear
System, the meshing relation of transmission gear group and the second power shift gear group, to make this gear that four kinds of revolving speeds can be switched, to mention
The applicability of high gear, structure are simple.
2. avoiding the first power shift gear group and second by the way that the first limit assembly and the second limit assembly are arranged on slide bar
Moving distance deviates first gear, second gear transmission gear group to power shift gear group in the process of moving, improves the speed of engagement
Degree and accuracy.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the first linking arm structural schematic diagram.
In figure: 1- input shaft, 11- first gear, 12- second gear, 2- shifting shaft, 3- output shaft, 4- slide bar, 5- electricity
Machine, 6- the first power shift gear group, 61- power shift gear a, 62- power shift gear b, 63- first bearing, 7- transmission gear group, 71-
One transmission gear, 72- second stud gear, 73- second bearing, 8- the second power shift gear group, 81- power shift gear c, 82- shift
Gear d, 83- 3rd bearing, the first slide assemblies of 91-, the first linking arm of 911-, the first sliding barrel of 912-, the first gas of 913-
Cylinder, the second slide assemblies of 92-, the second linking arm of 921-, the second sliding barrel of 922-, the second cylinder of 923-, 93- the first limit group
Part, the first block of 931-, the second block of 932-, the second limit assembly of 94-, 941- third block, 942- fourth gear block, 95- arc
Shape link slot.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of numerically-controlled machine tool gear example structure schematic diagram is provided as shown in Figs. 1-2 for the utility model: including
Input shaft 1 disposed in parallel, shifting shaft 2, output shaft 3, one end of input shaft 1 is connected with motor 5, is set on input shaft 1
One gear 11 and second gear 12 are set with the first power shift gear group 6 and transmission gear group 7, the first power shift gear on shifting shaft 2
Group 6 is engaged with first gear 11 or second gear 12, and the second power shift gear group 8, the second power shift gear group are set on output shaft 3
8 engage with transmission gear group 7, and the first power shift gear group 6 and the second power shift gear group 8 are connected by slide assemblies and slide bar 4 respectively
It connects, and the first power shift gear group 6 and the second power shift gear group 8 are moved along slide bar 4；
First power shift gear group 6 includes power shift gear a61 and power shift gear b62, power shift gear a61 and power shift gear b62
Between be connected with first bearing 63, power shift gear a61 and power shift gear b62 are sleeved on shifting shaft 2 by first bearing 63；
Transmission gear group 7 includes first stud gear 71 and second stud gear 72, and first stud gear 71 and second become
Second bearing 73, first stud gear 71 and second stud gear 72 is connected between fast gear 72 to be set with by second bearing 73
On shifting shaft 2；
Second power shift gear group 8 includes power shift gear c81 and power shift gear d82, power shift gear c81 and power shift gear d82
Between be connected with 3rd bearing 83, power shift gear c81 and power shift gear d82 are sleeved on output shaft 3 by 3rd bearing 83；
Slide assemblies include the first slide assemblies 91 and the second slide assemblies 92, and the first slide assemblies 91 include the first connection
Arm 911, the middle part of the first linking arm 911 are provided with through-hole, and the first linking arm 911 is mounted on output shaft 3 by through-hole sliding sleeve,
One end of first linking arm 911 is fixedly connected with first bearing 63, and the other end of the first linking arm 911 passes through the first sliding barrel
912 are sleeved on slide bar 4, and the first sliding barrel 912 is connect with the output end of the first cylinder 913；
Second slide assemblies 92 include the second linking arm 921, one end of the second linking arm 921 and the fixed company of 3rd bearing 83
It connects, the other end of the second linking arm 921 is sleeved on slide bar 4 by the second sliding barrel 922, the second sliding barrel 922 and the
The output end of two cylinders 923 connects；
The first limit assembly 93 and the second limit assembly 94 are set on slide bar 4, the first limit assembly 93 includes first gear
Block 931 and the second block 932, the first sliding barrel 912 are set between the first block 931 and the second block 932, the second limit
Component 94 includes third block 941 and fourth gear block 942, and the second sliding barrel 922 is set to third block 941 and fourth gear block
Between 942, by the first block 931, the second block 932, third block 941 and fourth gear block 942, make the first sliding barrel
912 move between the first block 931 and the second block 932, when the first sliding barrel 912 is mobile to the first block 931 or
When at the second block 932, the first power shift gear group 6 is engaged with first gear 11 or second gear, when the second sliding barrel 922 moves
When moving at third block 941 or fourth gear block 942, the second power shift gear group 8 is engaged with transmission gear group 7, to avoid
Moving distance shifts in the process of moving for one power shift gear group 6 and the second power shift gear group 8, it is difficult to first gear
11, second gear 12 or transmission gear group 7 engage, and improve the speed and accuracy of engagement；
One end of first linking arm 911 and the second linking arm 921 is respectively equipped with arc link slot 95, arc link slot 95 with
First bearing 63,3rd bearing 83 outer wall be adapted, when connection, the arc link slot 95 of 911 end of the first linking arm is blocked
In the outer wall of first bearing 63, the arc link slot 95 of 921 end of the second linking arm is stuck in the outer wall of 3rd bearing 83, then
It is welded and fixed, improves the fastness of connection.
When work, driving motor 5 is rotated by motor 5 with driven input shaft 1, to drive first gear 11 and the second tooth
12 rotation of wheel, opens the first cylinder 913, by the first power shift gear group of the first cylinder 913 driving 6 toward close to first gear 11
Direction is mobile, and engages power shift gear a61 with first gear 11, opens the second cylinder 923, it is driven by the second cylinder 923
The direction of dynamic second power shift gear group 7 toward close power shift gear c81 are mobile, and make power shift gear c81 and first stud gear 71
Engagement, is engaged by first gear 11 with power shift gear a61, drives shifting shaft 2 to rotate, to make transmission gear on shifting shaft 2
7 rotation of group, the first stud gear 71 of transmission gear group 7 engage with power shift gear c81, so that output shaft 3 be driven to rotate, pass through
Output shaft 3 drives other components rotation in numerically-controlled machine tool, at this point, this gear is first grade of revolving speed；
When switching speed change, on the basis of first grade of revolving speed, keeps power shift gear a and first gear 11 to be intermeshed, open
It is mobile toward the direction of close second stud gear 72 to open the second power shift gear group of the second cylinder 923 driving 8, and makes the second gear teeth
Wheel 72 and power shift gear d is intermeshed, at this point, this gear is second gear revolving speed；
On the basis of first grade of revolving speed, keeps first stud gear 71 and power shift gear c81 to be intermeshed, open first
First power shift gear group of the driving of cylinder 913 6 is mobile toward the direction of close second gear 12, and makes second gear 12 and power shift gear
B62 intermeshing, at this point, this gear is third gear revolving speed；
It is mobile toward the direction of close second gear 12 to open the first power shift gear group of the first cylinder 913 driving 6, and makes to shift gears
Gear b62 is meshed with the second gear, and opens the second power shift gear group of the second cylinder 923 driving 8 toward close to second stud gear
72 direction is mobile, and power shift gear d82 is made to be meshed with second stud gear 72, at this point, this gear is the 4th turn
Speed.
In conclusion being set by the way that the first power shift gear group 6 and transmission gear group 7 are arranged on shifting shaft 2 in output shaft 3
The second power shift gear group 8 is set, by switching the meshing relation of the first power shift gear group 6 and first gear 11 and second gear 12,
The meshing relation of transmission gear group 7 and the second power shift gear group 8, to make this gear that four kinds of revolving speeds can be switched, to mention
The applicability of high gear, structure are simple.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (8)
1. a kind of numerically-controlled machine tool gear, including input shaft disposed in parallel (1), shifting shaft (2), output shaft (3), described defeated
The one end for entering axis (1) is connected with motor (5), is set with first gear (11) and second gear (12) on the input shaft (1),
It is characterized in that: being set with the first power shift gear group (6) and transmission gear group (7), the first shift tooth on the shifting shaft (2)
Wheel group (6) is engaged with the first gear (11) or second gear (12), is set with the second power shift gear on the output shaft (3)
Group (8), the second power shift gear group (8) are engaged with the transmission gear group (7), the first power shift gear group (6) and
Two power shift gear groups (8) are connect by slide assemblies with slide bar (4) respectively, and the first power shift gear group (6) and second is changed
It is mobile along the slide bar (4) to keep off gear set (8).
2. a kind of numerically-controlled machine tool gear according to claim 1, it is characterised in that: the first power shift gear group (6)
Including power shift gear a (61) and power shift gear b (62), is connected between the power shift gear a (61) and power shift gear b (62)
One bearing (63), the power shift gear a (61) and power shift gear b (62) are sleeved on the shift by the first bearing (63)
On axis (2).
3. a kind of numerically-controlled machine tool gear according to claim 2, it is characterised in that: the transmission gear group (7) includes
First stud gear (71) and second stud gear (72), between the first stud gear (71) and second stud gear (72)
It is connected with second bearing (73), the first stud gear (71) and second stud gear (72) pass through the second bearing (73)
It is sleeved on the shifting shaft (2).
4. a kind of numerically-controlled machine tool gear according to claim 3, it is characterised in that: the second power shift gear group (8)
Including power shift gear c (81) and power shift gear d (82), is connected between the power shift gear c (81) and power shift gear d (82)
Three bearings (83), the power shift gear c (81) and power shift gear d (82) are sleeved on the output by the 3rd bearing (83)
On axis (3).
5. a kind of numerically-controlled machine tool gear according to claim 4, it is characterised in that: the slide assemblies include first sliding
Dynamic component (91) and the second slide assemblies (92), first slide assemblies (91) include the first linking arm (911), and described first
Through-hole is provided in the middle part of linking arm (911), first linking arm (911) is mounted in the output by the through-hole sliding sleeve
On axis (3), one end of first linking arm (911) is fixedly connected with the first bearing (63), first linking arm
(911) the other end is sleeved on the slide bar (4) by the first sliding barrel (912), first sliding barrel (912) with
The output end of first cylinder (913) connects.
6. a kind of numerically-controlled machine tool gear according to claim 5, it is characterised in that: the second slide assemblies (92) packet
It including the second linking arm (921), one end of second linking arm (921) is fixedly connected with the 3rd bearing (83), and described
The other end of two linking arms (921) is sleeved on the slide bar (4) by the second sliding barrel (922), second sliding cylinder
Body (922) is connect with the output end of the second cylinder (923).
7. a kind of numerically-controlled machine tool gear according to claim 6, it is characterised in that: be set on the slide bar (4)
One limit assembly (93) and the second limit assembly (94), first limit assembly (93) include the first block (931) and second
Block (932), first sliding barrel (912) are set between first block (931) and the second block (932), institute
Stating the second limit assembly (94) includes third block (941) and fourth gear block (942), the second sliding barrel (922) setting
Between the third block (941) and fourth gear block (942).
8. a kind of numerically-controlled machine tool gear according to claim 6, it is characterised in that: first linking arm (911) and
One end of second linking arm (921) is respectively equipped with arc link slot (95), the arc link slot (95) and the first bearing
(63), the outer wall of 3rd bearing (83) is adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821270706.XU CN208663227U (en) | 2018-08-07 | 2018-08-07 | A kind of numerically-controlled machine tool gear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821270706.XU CN208663227U (en) | 2018-08-07 | 2018-08-07 | A kind of numerically-controlled machine tool gear |
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| Publication Number | Publication Date |
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| CN208663227U true CN208663227U (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821270706.XU Active CN208663227U (en) | 2018-08-07 | 2018-08-07 | A kind of numerically-controlled machine tool gear |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113664301A (en) * | 2021-08-25 | 2021-11-19 | 浙江龙华工具有限公司 | Main shaft transmission structure of threading machine |
-
2018
- 2018-08-07 CN CN201821270706.XU patent/CN208663227U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113664301A (en) * | 2021-08-25 | 2021-11-19 | 浙江龙华工具有限公司 | Main shaft transmission structure of threading machine |
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