CN204061398U - Self-lubricating gear tooth bar oscillating oil cylinder - Google Patents
Self-lubricating gear tooth bar oscillating oil cylinder Download PDFInfo
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- CN204061398U CN204061398U CN201420513798.5U CN201420513798U CN204061398U CN 204061398 U CN204061398 U CN 204061398U CN 201420513798 U CN201420513798 U CN 201420513798U CN 204061398 U CN204061398 U CN 204061398U
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- oil cylinder
- copper sheathing
- tooth bar
- self
- gear shaft
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Abstract
The utility model discloses a kind of Self-lubricating gear tooth bar oscillating oil cylinder, comprise housing assembly, by the cylinder body that screw is connected with housing assembly, be installed on the gear shaft in housing assembly, be installed on the piston-rod assembly in cylinder body, the moving direction of piston-rod assembly and gear shaft central axis, piston-rod assembly stage casing is provided with the tooth bar corresponding with gear shaft, at cylinder body opening direction place, rack and pinion axle engages each other, the supporting element of gear shaft is selflubricating copper sheathing, described selflubricating copper sheathing is a cylindrical structure, at the inwall of selflubricating copper sheathing, the inner side surface of outer wall and end face is distributed with graphite lubrication point.The utility model selflubricating copper sheathing support teeth wheel shaft, adds self-lubricating function during oil cylinder rotary motion, greatly reduces cost, saved assembly space, reduced assembling difficulty.
Description
Technical field
The utility model relates to engineering machinery field, particularly relates to a kind of Self-lubricating gear tooth bar oscillating oil cylinder.
Background technique
Oscillating oil cylinder due to its reliable in action, structure is simple and be used widely in automatic line.Its kind mainly comprise pinion and-rack, blade type, spiral three kinds.Pinion and-rack is mainly used in underloading, speed operation, this formula oil cylinder is the direct to-and-fro motion utilized between gear pole and gear shaft, realize the rotary motion of corresponding coupling mechanism, though this kind of oil cylinder can realize the various angles such as output shaft 180 ° and rotate, save installing space and process the advantages such as relatively simple and easy, but because considering that piston rod linear reciprocation is converted into the rotary motion of gear shaft by oscillating oil cylinder, so the lubrication that gear shaft is mated between parts is very important.Use ball bearing to carry out cooperation in the past herein and realize rotary motion.Ball bearing needs higher quality of fit, adapted space etc. when assembling, and other coordinates requirement, its cost is also high simultaneously, and the installation of ball bearing needs housing and corresponding part to fix, and therefore needs badly and provides a kind of novel gear rack oscillating oil cylinder to solve the problems referred to above.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of Self-lubricating gear tooth bar oscillating oil cylinder, can increase self-lubricating function during oil cylinder rotary motion.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: provide a kind of Self-lubricating gear tooth bar oscillating oil cylinder, comprise housing assembly, by the cylinder body that screw is connected with housing assembly, be installed on the gear shaft in housing assembly, be installed on the piston-rod assembly in cylinder body, the moving direction of piston-rod assembly and gear shaft central axis, piston-rod assembly stage casing is provided with the tooth bar corresponding with gear shaft, at cylinder body opening direction place, rack and pinion axle engages each other, the supporting element of gear shaft is selflubricating copper sheathing, described selflubricating copper sheathing is a cylindrical structure, at the inwall of selflubricating copper sheathing, the inwall of outer wall and end face is distributed with graphite lubrication point.
In the utility model preferred embodiment, the wall thickness of described selflubricating copper sheathing and the distribution of graphite lubrication point are determined by the load capacity of oscillating oil cylinder, effectively improve the self-lubricating function of selflubricating copper sheathing to gear shaft rotary motion with this.
In the utility model preferred embodiment, be fixed with selflubricating copper sheathing respectively in described Self-lubricating gear tooth bar oscillating oil cylinder middle gear axle both sides, ensure that selflubricating copper sheathing is to the supporting effect of gear shaft.
In the utility model preferred embodiment, described housing assembly is cast inblock structure, that has stopped housing shells and base welds needs, decrease welding modification to the impact of cylinder seal, reduce the deficiency of gear rack oil cylinder internal leakage, avoid the operation of postwelding reprocessing, cost-saving.
The beneficial effects of the utility model are: the utility model selflubricating copper sheathing support teeth wheel shaft, adds self-lubricating function during oil cylinder rotary motion, greatly reduce cost, saved assembly space, reduced assembling difficulty.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model Self-lubricating gear tooth bar oscillating oil cylinder one preferred embodiment.
Fig. 2 is the assembly structure schematic diagram of described selflubricating copper sheathing and gear shaft.
Fig. 3 is the perspective view of described selflubricating copper sheathing.
Fig. 4 is the side view of described selflubricating copper sheathing.
In accompanying drawing, the mark of each parts is as follows: 1, cylinder body, and 2, housing assembly, 3, gear shaft, 4, piston-rod assembly, the 5, first selflubricating copper sheathing, 51, inwall, 52, outer wall, 53, end face, 531, inner side surface, the 6, second selflubricating copper sheathing, 7, graphite.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
Refer to Fig. 1, the utility model is embodiment comprise:
A kind of Self-lubricating gear tooth bar oscillating oil cylinder, the cylinder body 1, the gear shaft 3 be installed in housing assembly 2, the piston-rod assembly 4 be installed in cylinder body 1 that comprise housing assembly 2, are connected by hexagon socket cap head screw with housing assembly 2, the moving direction of piston-rod assembly 4 and gear shaft 3 central axis, piston-rod assembly 4 stage casing is provided with the tooth bar corresponding with gear shaft 3, engages each other at cylinder body 1 opening direction place rack and pinion axle 3.During described Self-lubricating gear tooth bar oscillating oil cylinder work, without fluid in housing assembly 2, (indicating Fig. 1) joint oil-feed promotion piston-rod assembly 4 is held to move to the other end of A from cylinder body A, rack drives meshed gears axle 3 realizes rotation motion, ensure that gear shaft 3 can rotate 180 ° by the stroke of control piston bar assembly 4, realize the rotary movement of oil cylinder coupling mechanism.The supporting element of gear shaft 3 is selflubricating copper sheathing, selflubricating copper sheathing is distributed with graphite 7 lubricating point.
Refer to Fig. 3 and Fig. 4, described selflubricating copper sheathing is made up of high-tensile strength brass, selflubricating copper sheathing is a cylindrical body, the side of cylindrical body is provided with the end face 53 that diameter is greater than cylindrical body basal diameter, and graphite 7 lubricating point is distributed with on the inner side surface 531 of the inwall 51 of selflubricating copper sheathing, outer wall 52 and end face 53, add self-lubricating function during gear shaft 3 rotary motion.The wall thickness of high-tensile strength brass copper sheathing and the quantity of graphite 7 lubricating point and distribution are determined by the bearing capacity of oil cylinder, effectively improve the self-lubricating function of selflubricating copper sheathing to gear shaft 3 rotary motion with this.Refer to Fig. 2, selflubricating copper sheathing is fixed with respectively in described Self-lubricating gear tooth bar oscillating oil cylinder middle gear axle 3 both sides, as seen from the figure, the length of the first selflubricating copper sheathing 5 is shorter than the length of the second selflubricating copper sheathing 6, requires according to the profile installation dimension of oscillating oil cylinder the length deciding selflubricating copper sheathing.Compared to the ball bearing of prior art, the assembly space demand of selflubricating copper sheathing reduces, and does not need housing to locate, and decreases the parts such as the cover plate needed for bearing, installs simple and easy, cost-saving.
In addition, housing assembly 2 is formed by magnesium iron (QT500-7) cast inblock, piston-rod assembly 4 and gear shaft 3 all make monolithic construction, that has stopped housing shells and base welds needs, and the overall processing of piston-rod assembly 4 and gear shaft 3 adds coaxality and the straightness accuracy of the body of rod, greatly improve the service precision of oil cylinder.Oil cylinder monolithic construction welding needs, and decreases welding modification to the impact of cylinder seal, reduces the deficiency of gear rack oil cylinder internal leakage, avoid the operation of postwelding reprocessing, cost-saving.Monolithic construction reduces the intensity of assembling, becomes simple, quick, improves the whole efficiency of production.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a Self-lubricating gear tooth bar oscillating oil cylinder, comprise housing assembly, by the cylinder body that screw is connected with housing assembly, be installed on the gear shaft in housing assembly, be installed on the piston-rod assembly in cylinder body, the moving direction of piston-rod assembly and gear shaft central axis, piston-rod assembly stage casing is provided with the tooth bar corresponding with gear shaft, at cylinder body opening direction place, rack and pinion axle engages each other, it is characterized in that, the supporting element of gear shaft is selflubricating copper sheathing, described selflubricating copper sheathing is a cylindrical structure, at the inwall of selflubricating copper sheathing, the inner side surface of outer wall and end face is distributed with graphite lubrication point.
2. Self-lubricating gear tooth bar oscillating oil cylinder according to claim 1, is characterized in that, the wall thickness of described selflubricating copper sheathing and the distribution of graphite lubrication point are determined by the load capacity of oscillating oil cylinder.
3. Self-lubricating gear tooth bar oscillating oil cylinder according to claim 1, is characterized in that, is fixed with selflubricating copper sheathing respectively in described Self-lubricating gear tooth bar oscillating oil cylinder middle gear axle both sides.
4. Self-lubricating gear tooth bar oscillating oil cylinder according to claim 1, is characterized in that, described housing assembly is cast inblock structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420513798.5U CN204061398U (en) | 2014-09-06 | 2014-09-06 | Self-lubricating gear tooth bar oscillating oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420513798.5U CN204061398U (en) | 2014-09-06 | 2014-09-06 | Self-lubricating gear tooth bar oscillating oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204061398U true CN204061398U (en) | 2014-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420513798.5U Active CN204061398U (en) | 2014-09-06 | 2014-09-06 | Self-lubricating gear tooth bar oscillating oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204061398U (en) |
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2014
- 2014-09-06 CN CN201420513798.5U patent/CN204061398U/en active Active
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