CN214444879U - Tire expansion tool for machining cylinder barrel of hydraulic cylinder - Google Patents
Tire expansion tool for machining cylinder barrel of hydraulic cylinder Download PDFInfo
- Publication number
- CN214444879U CN214444879U CN202120585513.9U CN202120585513U CN214444879U CN 214444879 U CN214444879 U CN 214444879U CN 202120585513 U CN202120585513 U CN 202120585513U CN 214444879 U CN214444879 U CN 214444879U
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- pull rod
- shaft rod
- rear end
- opening
- expansion sleeve
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Abstract
The utility model discloses a pneumatic cylinder barrel processing is with child frock that rises belongs to pneumatic cylinder barrel processing frock technical field, including dabber, pull rod and opening cover that rises, the dabber includes spindle nose and axostylus axostyle, the opening cover that rises is established on the axostylus axostyle, and the rear end of opening cover that rises stretches out the axostylus axostyle rear end; the middle part of the mandrel is provided with a pull rod channel for the pull rod to pass through along the length direction, the pull rod penetrates through the pull rod channel, two ends of the pull rod extend out of the pull rod channel, the rear end of the pull rod is an inverted cone, and the outer wall of the cone is in contact with the inner wall of the rear end of the opening expansion sleeve. The utility model has the advantages of simple structure, convenient use, and good effect.
Description
Technical Field
The utility model belongs to the technical field of pneumatic cylinder processing frock, concretely relates to pneumatic cylinder processing is with child frock that rises.
Background
In the machining process of the inner diameter thread and the chamfer of the hydraulic cylinder barrel, a clamping tool is required to be used for ensuring that the inner diameter thread and the chamfer of the cylinder barrel are coaxial with the inner diameter of the hydraulic cylinder barrel, and the existing clamping tool has the problems of complex structure and inconvenient use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, equipment make things convenient for, add the pneumatic cylinder processing that keeps effectual with child frock that rises.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the tire expanding tool for machining the cylinder barrel of the hydraulic cylinder comprises a mandrel, a pull rod and an opening expanding sleeve, wherein the mandrel comprises a shaft head and a shaft rod, the opening expanding sleeve is sleeved on the shaft rod, and the rear end part of the opening expanding sleeve extends out of the rear end of the shaft rod; the central part of the mandrel is provided with a pull rod channel for a pull rod to pass through along the length direction, the pull rod penetrates through the pull rod channel, two ends of the pull rod extend out of the pull rod channel, the rear end of the pull rod is an inverted cone, and the outer wall of the cone is in contact with the inner wall of the rear end of the opening expansion sleeve.
Preferably, the shaft lever comprises a front end shaft lever, a middle shaft lever and a rear end shaft lever, the middle shaft lever is of a conical structure, the outer diameter of the large-diameter end of the middle shaft lever is consistent with the outer diameter of the front end shaft lever, the outer diameter of the small-diameter end of the middle shaft lever is consistent with the outer diameter of the rear end shaft lever, the outer diameter of the front end shaft lever is consistent with the inner diameter of the cylinder barrel to be processed, and the opening expansion sleeve is sleeved on the middle rear portion of the middle shaft lever and the rear end shaft lever.
Preferably, the first end of the opening expansion sleeve is uniformly provided with a gap I along the circumferential direction of the end surface, and the gap I extends along the length direction of the opening expansion sleeve and forms a vertical expansion groove I which is not communicated with the second end of the opening expansion sleeve; the opening rises and overlaps the second end and evenly seted up breach II along terminal surface circumference, breach II and I dislocation set of breach, breach II extend and form the vertical expansion groove II that does not communicate with the first end of opening cover that rises along the length direction of opening cover that rises.
Preferably, the device further comprises a gasket, and the gasket is arranged between the shaft head and the cylinder barrel to be machined.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of simple structure, convenient use and good holding effect.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the middle opening expanding sleeve of the present invention;
drawing: the machining device comprises a mandrel 100, a front end shaft lever 102, a middle shaft lever 103, a rear end shaft lever 104, a pull rod 200, an opening expansion sleeve 300, vertical expansion grooves I-301, vertical expansion grooves II-302, a machined cylinder barrel 400, a machining position 401 and a gasket 500.
Detailed Description
For a better understanding of the present invention by those skilled in the art, the present invention will be further described with reference to the following detailed description:
as shown in fig. 1-2, the tire expansion tool for machining the cylinder barrel of the hydraulic cylinder comprises a mandrel 100, a pull rod 200 and an opening expansion sleeve 300, wherein the mandrel 100 comprises a shaft head 101 and a shaft rod, the opening expansion sleeve 300 is sleeved on the shaft rod, and the rear end part of the opening expansion sleeve 300 extends out of the rear end of the shaft rod; the middle part of the mandrel 100 is provided with a pull rod channel for the pull rod 200 to pass through along the length direction, the pull rod 200 passes through the pull rod channel, two ends of the pull rod 200 extend out of the pull rod channel, the rear end of the pull rod 200 is an inverted cone 201, and the outer wall of the cone 201 is in contact with the inner wall of the rear end of the opening expanding sleeve 300.
As a preferred embodiment of this embodiment, the shaft rod includes a front end shaft rod 102, a middle shaft rod 103 and a rear end shaft rod 104, the middle shaft rod 103 is a taper structure, the outer diameter of the large diameter end of the middle shaft rod 103 is consistent with the outer diameter of the front end shaft rod 102, the outer diameter of the small diameter end of the middle shaft rod 103 is consistent with the outer diameter of the rear end shaft rod 104, the outer diameter of the front end shaft rod 102 is consistent with the inner diameter of the cylinder 400 to be processed, and the open expansion sleeve 300 is sleeved on the middle rear portion of the middle shaft rod 103 and the rear end shaft rod 104.
As shown in fig. 2, a first end of the opening expanding sleeve 300 is uniformly provided with a gap i along the circumferential direction of the end surface, and the gap i extends along the length direction of the opening expanding sleeve 300 to form a vertical expansion groove i-301 which is not communicated with a second end of the opening expanding sleeve 300; the second end of the opening expansion sleeve 300 is evenly provided with a notch II along the circumferential direction of the end face, the notch II and the notch I are arranged in a staggered mode, and the notch II extends along the length direction of the opening expansion sleeve 300 to form a vertical expansion groove II-302 which is not communicated with the first end of the opening expansion sleeve 300.
As shown in fig. 1, in order to ensure that the center line of the cylinder 400 to be machined is coaxial with the center line of the mandrel 100 and the inner diameter of the cylinder 400 to be machined is perpendicular to the right end face of the cylinder 400 to be machined, a gasket 500 is provided between the mandrel head and the cylinder 400 to be machined in this embodiment, and preferably, the gasket 500 is an elastic gasket.
The working principle is as follows: as shown in fig. 1, when in use, the mandrel 100 is connected with a machine tool spindle through a screw, the processed cylinder 400 is sleeved on the opening expanding sleeve 300 (positioned at an inner diameter), the pull rod 200 moves leftwards under the action of an external force, the opening expanding sleeve 300 moves upwards along the conical surface of the middle shaft rod 103, and simultaneously, under the action of the conical surface of the cone 201 at the rear end of the pull rod, the vertical expansion blind grooves 301 respectively positioned at two ends of the opening expanding sleeve 300 are expanded, so that the opening expanding sleeve 300 tightly supports the inner wall of the processed cylinder 400, and meanwhile, the left end surface of the processed cylinder 400 tightly supports the gasket 500 to firmly abut against the end surface of the mandrel. Thus, the thread and chamfer of the inner diameter at the machining position 401 at the right end of the cylinder tube 400 to be machined are coaxial with the inner diameter of the cylinder tube 400 to be machined, and the inner diameter of the cylinder tube 400 to be machined is perpendicular to the right end face of the cylinder tube 400 to be machined.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, and any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (4)
1. The utility model provides a pneumatic cylinder processing is with child frock that rises which characterized in that: the novel expansion joint comprises a mandrel (100), a pull rod (200) and an opening expansion sleeve (300), wherein the mandrel (100) comprises a shaft head (101) and a shaft rod, the opening expansion sleeve (300) is sleeved on the shaft rod, and the rear end part of the opening expansion sleeve (300) extends out of the rear end of the shaft rod; the central part of the mandrel (100) is provided with a pull rod channel for the pull rod (200) to pass through along the length direction, the pull rod (200) penetrates through the pull rod channel, the two ends of the pull rod (200) extend out of the pull rod channel, the rear end of the pull rod (200) is an inverted cone (201), and the outer wall of the cone (201) is in contact with the inner wall of the rear end of the opening expansion sleeve (300).
2. The expanding tire tool for machining the cylinder barrel of the hydraulic cylinder according to claim 1, and is characterized in that: the shaft rod comprises a front end shaft rod (102), a middle part shaft rod (103) and a rear end shaft rod (104), the middle part shaft rod (103) is of a conical structure, the outer diameter of the large-diameter end of the middle part shaft rod (103) is consistent with the outer diameter of the front end shaft rod (102), the outer diameter of the small-diameter end of the middle part shaft rod (103) is consistent with the outer diameter of the rear end shaft rod (104), the outer diameter of the front end shaft rod (102) is consistent with the inner diameter of a processed cylinder barrel (400), and the opening expansion sleeve (300) is sleeved on the middle rear part of the middle part shaft rod (103) and the rear end shaft rod (104).
3. The expanding tire tool for machining the cylinder barrel of the hydraulic cylinder as claimed in claim 2, wherein: the first end of the opening expansion sleeve (300) is uniformly provided with a gap I along the circumferential direction of the end surface, and the gap I extends along the length direction of the opening expansion sleeve (300) and forms a vertical expansion groove I (301) which is not communicated with the second end of the opening expansion sleeve (300); opening cover (300) that rises is held evenly along terminal surface circumference and has been seted up breach II, breach II and I dislocation set of breach, breach II extend and form vertical expansion tank II (302) that do not communicate with opening cover (300) first end that rises along the length direction of opening cover (300).
4. The expanding tire tool for machining the cylinder barrel of the hydraulic cylinder as claimed in claim 3, wherein: the machining device further comprises a gasket (500), wherein the gasket (500) is arranged between the shaft head (101) and the machined cylinder barrel (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120585513.9U CN214444879U (en) | 2021-03-23 | 2021-03-23 | Tire expansion tool for machining cylinder barrel of hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120585513.9U CN214444879U (en) | 2021-03-23 | 2021-03-23 | Tire expansion tool for machining cylinder barrel of hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214444879U true CN214444879U (en) | 2021-10-22 |
Family
ID=78159409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120585513.9U Active CN214444879U (en) | 2021-03-23 | 2021-03-23 | Tire expansion tool for machining cylinder barrel of hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214444879U (en) |
-
2021
- 2021-03-23 CN CN202120585513.9U patent/CN214444879U/en active Active
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