CN215409516U - Air compression floating support cylinder - Google Patents
Air compression floating support cylinder Download PDFInfo
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- CN215409516U CN215409516U CN202121906193.9U CN202121906193U CN215409516U CN 215409516 U CN215409516 U CN 215409516U CN 202121906193 U CN202121906193 U CN 202121906193U CN 215409516 U CN215409516 U CN 215409516U
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- 230000006835 compression Effects 0.000 title claims abstract description 13
- 238000007906 compression Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 5
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to an air compression floating support cylinder, which comprises a cylinder body, a piston and a support shaft arranged in the cylinder body, and an upper end cover and a lower end cover which are arranged at two ends of the cylinder body, wherein the support shaft is arranged along the central axis of the cylinder body, the piston, the upper end cover and the lower end cover; a first sealing groove is formed in the periphery of the piston, and a first sealing ring in sealing contact with the inner wall of the cylinder body is installed on the periphery of the piston; a first air chamber is formed between the piston and the upper end cover, and a second air chamber is formed between the piston and the lower end cover; and a supporting shaft locking mechanism is arranged between the inner wall of the piston and the outer wall of the supporting shaft. The cylinder body of the air compression floating support cylinder is made of aluminum alloy sections, so that the air compression floating support cylinder is convenient to process, lower in cost, simplified in integral structure and convenient to assemble all parts.
Description
The technical field is as follows:
the utility model relates to the technical field of mechanical equipment, in particular to an air compression floating support cylinder.
Background art:
the supporting cylinder is a tool clamp component, generally uses the fixture product that the higher degree of automation of cooperation required, and mainly used withstands the work piece and prevents to be add man-hour receiving cutting force and warp, avoids adding man-hour and takes place vibrations to influence the machining precision of work piece, possess low pressure self-locking function, anticorrosive material can prevent the corruption of coolant liquid and operational environment to the cylinder body. The supporting cylinder is mainly used for preventing the workpiece to be processed from deforming and supporting during the processing process, so the supporting cylinder is called as the supporting cylinder in the industry. The supporting cylinder has air pressure supporting cylinder and oil pressure supporting cylinder, etc., and the existing air pressure floating supporting cylinder has the defects of more complex structure, inconvenient cylinder body processing, high cost, inconvenient assembly and the like, such as a novel air pressure supporting cylinder disclosed in the patent No. CN201721752334. X.
The utility model has the following contents:
the utility model aims to overcome the defects in the prior art and provides the air compression floating support cylinder.
The technical scheme adopted by the utility model is as follows: an air compression floating support cylinder comprises a cylinder body, a piston and a support shaft which are arranged in the cylinder body, and an upper end cover and a lower end cover which are arranged at two ends of the cylinder body, wherein the support shaft is arranged along the central axes of the cylinder body, the piston, the upper end cover and the lower end cover; a first sealing groove is formed in the periphery of the piston, and a first sealing ring in sealing contact with the inner wall of the cylinder body is installed on the periphery of the piston; a first air chamber is formed between the piston and the upper end cover, and a second air chamber is formed between the piston and the lower end cover; a supporting shaft locking mechanism is arranged between the inner wall of the piston and the outer wall of the supporting shaft, the locking mechanism comprises a clamping cylinder sleeved on the periphery of the supporting shaft, and a conical cylinder which is positioned on the periphery of the clamping cylinder and moves along with the piston, the inner wall of the clamping cylinder is in a cone shape, the outer wall of the clamping cylinder is also in a cone shape, a plurality of balls are arranged between the outer wall of the clamping cylinder and the inner wall of the conical cylinder, and a ball retainer ring is arranged below the outer wall of the clamping cylinder; and a first airflow port communicated with the first air chamber and a second airflow port communicated with the second air chamber are respectively arranged on the cylinder wall of the cylinder body.
The wall of the clamping barrel is respectively provided with a plurality of slots which are arranged at intervals in a staggered way and are not communicated up and down by the upper end surface and the lower end surface
The bottom end cover is characterized in that a positioning groove corresponding to the outer diameter of the bottom of the supporting shaft is formed in the center of the inner bottom of the lower end cover, a spring hole for positioning a first spring is formed in the bottom of the supporting shaft, and the first spring is located in the spring hole and the positioning groove.
An extension cylinder extending outwards is formed in the middle of the upper end cover, and an outward flanging is formed at the upper end of the extension cylinder; the inner wall of the lower end of the protective cap is provided with a plurality of protruding pins protruding inwards, and the protruding pins are located below the outward flanging of the extending cylinder.
And a second sealing groove is formed in the inner wall of the upper end of the extension cylinder, and a second sealing ring in sealing contact with the support shaft is installed on the inner wall of the upper end of the extension cylinder.
The middle part of piston also is equipped with the extension that extends upwards, and extension outer wall and upper end cover inner wall contact, the upper end cover inner wall is equipped with the third seal groove and installs the third sealing washer with extension outer wall sealing contact.
A second spring is arranged between the lower surface of the piston and the inner bottom surface of the lower end cover.
The cylinder body of the air compression floating support cylinder is made of aluminum alloy sections, so that the air compression floating support cylinder is convenient to process, lower in cost, simplified in integral structure and convenient to assemble all parts.
Description of the drawings:
FIG. 1 is a schematic cross-sectional structural view of the present invention;
fig. 2 is a schematic structural view of the locking mechanism of the present invention.
The specific implementation mode is as follows:
as shown in fig. 1 and 2, the utility model relates to an air-compressing floating support cylinder, which comprises a cylinder body 1, a piston 2 and a support shaft 3 arranged in the cylinder body 1, and an upper end cover 11 and a lower end cover 12 arranged at two ends of the cylinder body 1, wherein the cylinder body 1 is made of aluminum alloy sections, and the two ends of the cylinder body are respectively connected with the upper end cover 11 and the lower end cover 12; the supporting shaft 3 is arranged along the central axis of the cylinder body 1, the piston 2, the upper end cover 11 and the lower end cover 12, a first spring 31 is arranged between the lower end part of the supporting shaft 3 and the inner wall of the lower end cover 12, and the upper end part of the supporting shaft 3 penetrates through the upper end cover 11 and is connected with a protective cap 4 and a supporting nut 5; a first sealing groove 21 is formed in the periphery of the piston 2, and a first sealing ring 22 in sealing contact with the inner wall of the cylinder body 1 is installed on the periphery of the piston; a first air chamber 101 is formed between the piston 2 and the upper end cover 11, and a second air chamber 102 is formed between the piston 2 and the lower end cover 12; a supporting shaft locking mechanism 6 is arranged between the inner wall of the piston 2 and the outer wall of the supporting shaft 3, the locking mechanism 6 comprises a clamping cylinder 61 which is sleeved on the periphery of the supporting shaft 3, and a conical cylinder 62 which is positioned on the periphery of the clamping cylinder 61 and moves along with the piston 2, the inner wall of the clamping cylinder 61 is in a cone shape, the outer wall of the clamping cylinder 61 is also in a cone shape, a plurality of balls 63 are arranged between the outer wall of the clamping cylinder 61 and the inner wall of the conical cylinder 62, and a ball retainer ring 64 is arranged below the outer wall of the clamping cylinder 61; the lower end surface of the clamping cylinder 61 is opposite to the inner bottom surface of the lower end cover 12 and is abutted when necessary, namely when the support shaft 3 descends in an unlocked state, the lower end surface of the clamping cylinder 61 is abutted with the lower end cover 12 and does not descend along with the support shaft 3; a first air flow port 103 communicated with the first air chamber 101 and a second air flow port 104 communicated with the second air chamber 102 are respectively arranged on the cylinder wall of the cylinder body 1; a deflatable protecting cover 105 is further connected to the second airflow port 104 to prevent dust from entering the inside of the cylinder 1.
As shown in fig. 2, the cylinder wall of the clamping cylinder 61 is respectively provided with a plurality of slots 611 on the upper and lower end surfaces thereof, the slots 611 being arranged alternately and not penetrating vertically, so that the clamping cylinder 61 can be contracted and clamped.
The bottom center of the bottom of the lower end cover 12 is provided with a positioning groove 121 corresponding to the outer diameter of the bottom of the support shaft 3, the bottom of the support shaft 3 is also provided with a spring hole 301 for positioning a first spring 31, and the first spring 31 is located in the spring hole 301 and the positioning groove 121.
An extension cylinder 111 extending outwards is formed in the middle of the upper end cover 11, and an outward flanging 112 is formed at the upper end of the extension cylinder 111; a plurality of inward protruding pins 41 are arranged on the inner wall of the lower end of the protective cap 4, and the protruding pins 41 are positioned below the outward flange 112 of the extension cylinder 111; that is, the position of the protruding pin 41 and the outward turned edge 112 is used to control the upward extending stroke of the supporting shaft 3, so as to prevent the supporting shaft 3 from being pushed out too long by the first spring 31.
The inner wall of the upper end of the extension cylinder 111 is provided with a second sealing groove 113 and a second sealing ring 114 which is in sealing contact with the support shaft 3 is installed.
The middle part of the piston 2 is also provided with an extending part 23 extending upwards, the outer wall of the extending part 23 is in contact with the inner wall of the upper end cover 11, the inner wall of the upper end cover 11 is provided with a third sealing groove 115 and is provided with a third sealing ring 116 in sealing contact with the outer wall of the extending part 23.
A second spring 24 is provided between the lower surface of the piston 2 and the inner bottom surface of the lower cap 12 to facilitate the return of the piston 2.
The working process of the utility model is as follows: when the first air chamber 101 is not connected with an air supply pipeline of an air compressor, namely, when the air compressor is not inflated, the supporting shaft 3 can easily move up and down within the stroke range, and only the elastic force of the first spring 31 needs to be overcome, so that the supporting height can be controlled at will, and when the supporting shaft 3 and the supporting nut 5 are positioned at the required height and the height needs to be kept unchanged, only compressed air with certain pressure needs to be filled into the first air chamber 101; because when filling into the air of certain pressure in to first air chamber 101 through first air current port 103, the atmospheric pressure of first air chamber promotes piston 2 downstream, and then makes awl section of thick bamboo 62 downstream, utilizes the effect between the round platform shape inner wall of awl section of thick bamboo 62 and ball 63 and the round platform shape outer wall of pressing from both sides a section of thick bamboo 61, makes pressing from both sides a section of thick bamboo 61 and is the clamping state and with back shaft 3 locking fixed, the upper end of back shaft 3 supports nut 5 promptly and can bear hundreds of kilograms or even more pressure this moment to play the effect of supporting.
The cylinder body of the air compression floating support cylinder is made of aluminum alloy sections, so that the air compression floating support cylinder is convenient to process, lower in cost, simplified in integral structure and convenient to assemble all parts.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the utility model, and these modifications and improvements are also considered to be within the scope of the utility model.
Claims (7)
1. The utility model provides an air compression floating support cylinder which characterized in that: the supporting cylinder comprises a cylinder body, a piston and a supporting shaft which are arranged in the cylinder body, and an upper end cover and a lower end cover which are arranged at two ends of the cylinder body, wherein the supporting shaft is arranged along the central axes of the cylinder body, the piston, the upper end cover and the lower end cover; a first sealing groove is formed in the periphery of the piston, and a first sealing ring in sealing contact with the inner wall of the cylinder body is installed on the periphery of the piston; a first air chamber is formed between the piston and the upper end cover, and a second air chamber is formed between the piston and the lower end cover; a supporting shaft locking mechanism is arranged between the inner wall of the piston and the outer wall of the supporting shaft, the locking mechanism comprises a clamping cylinder sleeved on the periphery of the supporting shaft, and a conical cylinder which is positioned on the periphery of the clamping cylinder and moves along with the piston, the inner wall of the clamping cylinder is in a cone shape, the outer wall of the clamping cylinder is also in a cone shape, a plurality of balls are arranged between the outer wall of the clamping cylinder and the inner wall of the conical cylinder, and a ball retainer ring is arranged below the outer wall of the clamping cylinder; and a first airflow port communicated with the first air chamber and a second airflow port communicated with the second air chamber are respectively arranged on the cylinder wall of the cylinder body.
2. The air-compressing floating support cylinder of claim 1, wherein: and the wall of the clamping barrel is respectively provided with a spacing groove which is arranged at intervals in a staggered way and is not communicated up and down by the upper end surface and the lower end surface.
3. The air-compressing floating support cylinder of claim 1, wherein: the bottom end cover is characterized in that a positioning groove corresponding to the outer diameter of the bottom of the supporting shaft is formed in the center of the inner bottom of the lower end cover, a spring hole for positioning a first spring is formed in the bottom of the supporting shaft, and the first spring is located in the spring hole and the positioning groove.
4. The air-compressing floating support cylinder of claim 1, wherein: an extension cylinder extending outwards is formed in the middle of the upper end cover, and an outward flanging is formed at the upper end of the extension cylinder; the inner wall of the lower end of the protective cap is provided with a plurality of protruding pins protruding inwards, and the protruding pins are located below the outward flanging of the extending cylinder.
5. The air-compressing floating support cylinder of claim 4, wherein: and a second sealing groove is formed in the inner wall of the upper end of the extension cylinder, and a second sealing ring in sealing contact with the support shaft is installed on the inner wall of the upper end of the extension cylinder.
6. The air-compressing floating support cylinder of claim 1, wherein: the middle part of piston also is equipped with the extension that extends upwards, and extension outer wall and upper end cover inner wall contact, the upper end cover inner wall is equipped with the third seal groove and installs the third sealing washer with extension outer wall sealing contact.
7. The air-compressing floating support cylinder of claim 1, wherein: a second spring is arranged between the lower surface of the piston and the inner bottom surface of the lower end cover.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121906193.9U CN215409516U (en) | 2021-08-13 | 2021-08-13 | Air compression floating support cylinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121906193.9U CN215409516U (en) | 2021-08-13 | 2021-08-13 | Air compression floating support cylinder |
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CN215409516U true CN215409516U (en) | 2022-01-04 |
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CN202121906193.9U Active CN215409516U (en) | 2021-08-13 | 2021-08-13 | Air compression floating support cylinder |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117381471A (en) * | 2023-12-12 | 2024-01-12 | 广东德玛士智能装备有限公司 | Floating support workbench |
-
2021
- 2021-08-13 CN CN202121906193.9U patent/CN215409516U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117381471A (en) * | 2023-12-12 | 2024-01-12 | 广东德玛士智能装备有限公司 | Floating support workbench |
CN117381471B (en) * | 2023-12-12 | 2024-03-22 | 广东德玛士智能装备有限公司 | Floating support workbench |
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