CN207014066U - A kind of Pneumatic expanded mechanism - Google Patents
A kind of Pneumatic expanded mechanism Download PDFInfo
- Publication number
- CN207014066U CN207014066U CN201720994435.1U CN201720994435U CN207014066U CN 207014066 U CN207014066 U CN 207014066U CN 201720994435 U CN201720994435 U CN 201720994435U CN 207014066 U CN207014066 U CN 207014066U
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- worm gear
- worm
- bearing
- screw
- gear case
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Abstract
The utility model discloses a kind of Pneumatic expanded mechanism, including worm gear case, worm gear case is internally provided with worm and worm wheel, one end of worm screw is provided with bearing block, angular contact bearing is provided with the inside of bearing block, the side of shaft coupling is provided with motor, motor is fixedly connected by motor cabinet with worm gear case, worm gear is provided with deep groove ball bearing on the outside of one end, the side of deep groove ball bearing is provided with bearing cap, and wedge type block is provided with the inside of brake shoes, and wedge type block is V-shape and does not have V points, the side of wedge type block is provided with cylinder, and tension shaft is provided with the outside of wedge type block.The utility model is by being provided with brake shoes and cylinder, when there are gap between worm and gear, when power stops, cylinder promotes brake shoes to make a response rapidly, and worm gear is fixed, and reduces the invalid operation time, improve productivity ratio, it even if worm gear is acted on by external force, will not also rock, thus substantially increase the success rate of workpiece.
Description
Technical field
Internal hole positioning tensioning clamper field is the utility model is related to, more particularly to a kind of Pneumatic expanded mechanism.
Background technology
In process of production, in the transmission process such as worm and gear or rack-and-pinion, gap between object and object be present,
When power source stops, Partner can have been rocked by the effect of external force, it is impossible to complete remains stationary, so may result in essence
Thin object in process, cannot ensure that its is totally stationary, fine object mismachining tolerance can be caused big, and percent defective is high, product
, it is necessary to which substantial amounts of manually carry out differentiating whether object is qualified after production, so as to result in production cost height, need largely artificial
Operation, improves enterprise's production cost.
At present, in existing technology, majority is using hand tension mechanism, the use of this mechanism：When workpiece stops
When only arriving operating position, whole equipment needs to shut down, and carries out manual operation, thus production efficiency is very low, when consuming a large amount of
Between.
Utility model content
The technical problems to be solved in the utility model is the defects of overcoming prior art, there is provided a kind of Pneumatic expanded mechanism,
Suitable for the mechanical mechanism of rotation, controlling organization rotates the Pneumatic expanded device with stopping.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
A kind of Pneumatic expanded mechanism of the utility model, including worm gear case, the worm gear case are internally provided with worm screw and snail
Wheel, the worm and wheel are meshed, and the worm gear is located at the bottom of worm screw, and the axis of the worm screw mutually hangs down with the axis of worm gear
Directly, one end of the worm screw is provided with bearing block, and the bearing block is threadedly coupled with worm gear tank wall, is set on the inside of the bearing block
There is angular contact bearing, the worm screw socket-connects with angular contact bearing, and the other end of the worm screw is provided with shaft coupling, the shaft coupling
The side of device is provided with motor, and the motor includes motor cabinet, and the motor is fixedly connected by motor cabinet with worm gear case, described
Shaft coupling is located at the inner side of motor cabinet, and the motor is connected by shaft coupling with worm screw, and the outside of described worm gear one end is set
There is deep groove ball bearing, the deep groove ball bearing is fixed on worm gear case, and the side of the deep groove ball bearing is provided with bearing cap, institute
State and bearing shaft block ring is provided with the inside of bearing cap, the bearing cap is connected by the 3rd soket head cap screw and worm gear case screw thread
Connecing, brake shoes is provided with the inside of the worm gear, wedge type block is provided with the inside of the brake shoes, the wedge type block is V-shape,
The side of the wedge type block is provided with cylinder, and tension shaft is provided with the outside of the wedge type block.
As a kind of optimal technical scheme of the present utility model, the side of the worm gear case is provided with case lid, the case lid
It is threadedly coupled by the second soket head cap screw with worm gear case, the tension shaft is connected by the first soket head cap screw and case lid screw thread
Connect.
As a kind of optimal technical scheme of the present utility model, the opposite side of the worm gear case is provided with cushion block.
Compared with prior art, the beneficial effects of the utility model are as follows：
The utility model is by being provided with brake shoes and cylinder, and when there are gap between worm and gear, power stops
When, cylinder promotes brake shoes to make a response rapidly, and worm gear is fixed, and reduces the invalid operation time, productivity ratio is improved, even if snail
Wheel is acted on by external force, will not also rock, thus substantially increase the success rate of workpiece, also reduce mistake during work pieces process
Difference, moreover it is possible to reduce the quantity for differentiating worker, so as to reduce the production cost of enterprise, improve the profit of enterprise.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is front view of the present utility model；
Fig. 2 is A-A profiles of the present utility model；
Fig. 3 is B-B profiles of the present utility model；
In figure：1st, worm gear case；2nd, worm screw；3rd, worm gear；4th, case lid；5th, tension shaft；6th, the first soket head cap screw；7th, in second
Hex screw；8th, deep groove ball bearing；9th, the 3rd soket head cap screw；10th, bearing cap；11st, bearing shaft block ring 35；12nd, cushion block；
13rd, cylinder；14th, wedge；15th, brake shoes；16th, motor cabinet；17th, bearing block；18th, stepper motor；19th, shaft coupling；20th, corner connection
Contact bearing.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment 1
As Figure 1-3, the utility model provides a kind of Pneumatic expanded mechanism, including worm gear case 1, the inside of worm gear case 1
Worm screw 2 and worm gear 3 are provided with, worm screw 2 is meshed with worm gear 3, and worm gear 3 is located at the bottom of worm screw 2, the axis and worm gear of worm screw 2
3 axis perpendicular, one end of worm screw 2 are provided with bearing block 17, and bearing block 17 is threadedly coupled with the wall of worm gear case 1, bearing block 17
Inner side is provided with angular contact bearing 20, and worm screw 2 socket-connects with angular contact bearing 20, and the other end of worm screw 2 is provided with shaft coupling 19,
The side of shaft coupling 19 is provided with motor 18, and motor 18 includes motor cabinet 16, and motor 18 is solid by motor cabinet 16 and worm gear case 1
Fixed connection, shaft coupling 19 are located at the inner side of motor cabinet 16, and motor 18 is connected by shaft coupling 19 with worm screw 2, the one end of worm gear 3
Outside be provided with deep groove ball bearing 8, deep groove ball bearing 8 is fixed on worm gear case 1, and the side of deep groove ball bearing 8 is provided with axle
Lid 10 is held, the inner side of bearing cap 10 is provided with bearing shaft block ring 11, and bearing cap 10 passes through the 3rd soket head cap screw 9 and worm gear case
1 threaded connection, the inner side of worm gear 3 are provided with brake shoes 15, and the inner side of brake shoes 15 is provided with wedge type block 14, and wedge type block 14 is V
Font and without V points, the side of wedge type block 14 is provided with cylinder 13, and the outside of wedge type block 14 is provided with tension shaft 5.
Further, the side of worm gear case 1 is provided with case lid 4, and case lid 4 passes through the second soket head cap screw 7 and worm gear case 1
Threaded connection, tension shaft 5 is threadedly coupled by the first soket head cap screw 6 with case lid 4, six in the first soket head cap screw 6 and second
Angle screw 7 plays fixation, and the first soket head cap screw 6 is M8x16, and the second soket head cap screw 7 is M5X12.
The opposite side of worm gear case 1 is provided with cushion block 12, reduces the collision of the mechanism and contact surface.
Specifically, working condition：When worm screw 2 rotates, the worm screw of worm gear 3 is driven to rotate, so as to which worm gear 3 drives overall turn
It is dynamic, workpiece is rubbed；When needing jerk, the bar of cylinder 13 stretches out, and promotes wedge 14 to be moved to bearing cap 12, when V words
When type voussoir 14 moves, the rapid opening of brake shoes 15 is driven, and then is brought into close contact with the inwall of worm gear 3, frictionally prevents snail
The rotation of wheel 3, the cylinder diameter of cylinder 1 is bigger, and normal pressure is bigger between brake shoes and worm gear inwall, and frictional force is bigger；Work as needs
During rotation, the bar of cylinder 13 is taken in, drive wedge 14 back move, drive brake shoes 15 shrink rapidly, and then with worm gear 3
Wall is separated, and now worm gear can be rotated further.
This is using new maximum advantage：At work, when worm screw 3 stops, due between the worm screw 3 of worm gear 2
There is gap, when worm gear 3 is by external force, worm gear 3 can rock, and can so cause workpiece unstable in processing, increase
This has been added perfectly to be solved this problem in that, brake shoes 15 is close to worm gear 3, and worm gear 3 is in the case of by external force using after new
It can guarantee that its stability in the operating condition.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (3)
1. a kind of Pneumatic expanded mechanism, including worm gear case (1), it is characterised in that the worm gear case (1) is internally provided with worm screw
(2) it is meshed with worm gear (3), the worm screw (2) with worm gear (3), the worm gear (3) is located at the bottom of worm screw (2), the worm screw
(2) axis perpendicular of axis and worm gear (3), one end of the worm screw (2) is provided with bearing block (17), the bearing block
(17) it is threadedly coupled with worm gear case (1) wall, angular contact bearing (20), the worm screw (2) is provided with the inside of the bearing block (17)
Being socket-connected with angular contact bearing (20), the other end of the worm screw (2) is provided with shaft coupling (19), and the one of the shaft coupling (19)
Side is provided with motor (18), and the motor (18) includes motor cabinet (16), and the motor (18) passes through motor cabinet (16) and worm gear
Case (1) is fixedly connected, and the shaft coupling (19) is located at the inner side of motor cabinet (16), the motor (18) by shaft coupling (19) with
Worm screw (2) is connected, and deep groove ball bearing (8) is provided with the outside of described worm gear (3) one end, and the deep groove ball bearing (8) is fixed
On worm gear case (1), the side of the deep groove ball bearing (8) is provided with bearing cap (10), is set on the inside of the bearing cap (10)
Bearing shaft block ring (11) is equipped with, the bearing cap (10) is threadedly coupled by the 3rd soket head cap screw (9) with worm gear case (1),
Brake shoes (15) is provided with the inside of the worm gear (3), wedge type block (14) is provided with the inside of the brake shoes (15), it is described to carve
Shape block (14) is V-shape, and the side of the wedge type block (14) is provided with cylinder (13), is provided with the outside of the wedge type block (14)
Tension shaft (5).
2. a kind of Pneumatic expanded mechanism according to claim 1, it is characterised in that the side of the worm gear case (1) is set
There is case lid (4), the case lid (4) is threadedly coupled by the second soket head cap screw (7) with worm gear case (1), and the tension shaft (5) is logical
The first soket head cap screw (6) is crossed to be threadedly coupled with case lid (4).
3. a kind of Pneumatic expanded mechanism according to claim 2, it is characterised in that the opposite side of the worm gear case (1) is set
It is equipped with cushion block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720994435.1U CN207014066U (en) | 2017-08-10 | 2017-08-10 | A kind of Pneumatic expanded mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720994435.1U CN207014066U (en) | 2017-08-10 | 2017-08-10 | A kind of Pneumatic expanded mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207014066U true CN207014066U (en) | 2018-02-16 |
Family
ID=61478120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720994435.1U Active CN207014066U (en) | 2017-08-10 | 2017-08-10 | A kind of Pneumatic expanded mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207014066U (en) |
-
2017
- 2017-08-10 CN CN201720994435.1U patent/CN207014066U/en active Active
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