CN112846270A - Pneumatic expansion device for cleaning small-sized cylinder body - Google Patents
Pneumatic expansion device for cleaning small-sized cylinder body Download PDFInfo
- Publication number
- CN112846270A CN112846270A CN202110236082.XA CN202110236082A CN112846270A CN 112846270 A CN112846270 A CN 112846270A CN 202110236082 A CN202110236082 A CN 202110236082A CN 112846270 A CN112846270 A CN 112846270A
- Authority
- CN
- China
- Prior art keywords
- piston
- machine body
- pneumatic
- screw
- fixedly arranged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
- B23B31/404—Gripping the work or tool by jaws moving radially controlled by conical surfaces
- B23B31/4053—Gripping the work or tool by jaws moving radially controlled by conical surfaces using fluid-pressure means to actuate the gripping means
- B23B31/406—Gripping the work or tool by jaws moving radially controlled by conical surfaces using fluid-pressure means to actuate the gripping means using mechanical transmission through the spindle
Abstract
The invention discloses a pneumatic expansion device for cleaning a small cylinder body, which comprises an expansion block, a mandrel, a screw I, a sleeve, a screw II, a screw rod, a nut, a rubber ring III, a rear cover, a machine body, a lower joint, a pneumatic reversing valve, a silencer, a supporting plate, a base, a piston and a spring ring, wherein the rear cover is fixedly connected with the machine body; the upper part and the lower part of the base are rotatably connected, and two rotating handles are fixedly arranged on the upper surface of the base; the lower end of the supporting plate is fixedly arranged on the upper surface of the base. The invention relates to an internal expansion type cylinder body clamping tool, which takes an air source as power, has high automation degree, can rotate and stop a workpiece at any angle of 360 degrees, can rotate the workpiece to any position without putting down a file during operation, has high efficiency, does not have the trouble of clamping the workpiece, and is very convenient to use.
Description
Technical Field
The invention relates to the technical field of burr cleaning, in particular to a pneumatic expansion device for cleaning a small cylinder body.
Background
The cleaning method for the blank of the die-cast cylinder body mainly adopts the mode of manpower, file and bench vice in the production industry of the cylinder body of the small gasoline engine. During operation, the bench vice clamps a workpiece, and an operator holds the file to clean burrs on the parting surface of the cylinder body, batch seam burrs on the blade and burrs on the edge of the ejector rod socket in a filing mode. The bench vice needs to be loosened and clamped for multiple times in the whole operation process, a file needs to be put down and the bench vice needs to be operated by two hands each time, a workpiece is taken by the left hand, the handle of the bench vice is rotated by the right hand, and the occupied time is long. And the strength of the handle is difficult to master: the small workpieces are not clamped and fall easily, and the workpieces are damaged greatly, so that the workpieces are deformed and damaged into waste products. Therefore, it is necessary to provide a cylinder block expansion device with high automation degree, convenient operation and high efficiency.
Disclosure of Invention
In view of the problems in the prior art, the invention discloses a pneumatic expansion device for cleaning a small cylinder body, which adopts the technical scheme that the pneumatic expansion device comprises an expansion block, a mandrel, a screw I, a sleeve, a screw II, a screw rod, a nut, a rubber ring III, a rear cover, a machine body, a lower joint, a pneumatic reversing valve, a silencer, a supporting plate, a base, a piston and a spring ring; the upper part and the lower part of the base are rotatably connected, and two rotating handles are fixedly arranged on the upper surface of the base; the lower end of the supporting plate is fixedly arranged on the upper surface of the base; the pneumatic reversing valve is fixedly arranged on the middle part of the supporting plate, and a silencer is arranged at the lower end of the pneumatic reversing valve; two lower joints are fixedly installed on the upper end of the pneumatic reversing valve, and the lower joints are communicated with the interior of the pneumatic reversing valve; the machine body is a transverse cylinder with a hollow inner part and front and back openings, and is fixedly arranged on the upper end of the supporting plate; the right end of the sleeve is fixedly arranged on the left opening of the machine body through a screw I, the rear cover is circular, the middle part of the rear cover is provided with a round hole, the left end of the rear cover is fixedly arranged on the right opening of the machine body through a screw II, and a rubber ring III is fixedly arranged at the contact part of the rear cover and the machine body; six expansion blocks are arranged on the left part of the sleeve uniformly through spring rings; the mandrel, the screw and the piston are arranged in the machine body.
As a preferred technical solution of the pneumatic expansion device for cleaning a small cylinder block of the present invention, the piston is a cross-shaped cylinder, the middle part of the piston is movably installed in the machine body, the right part of the piston movably penetrates through the right side surface of the rear cover, the left part of the piston is in close contact with the left half part of the interior of the machine body, the screw is movably installed in the piston, the right end of the screw is located at the right side of the piston and is fixedly connected with the right side surface of the piston through a nut, the left end of the screw is located at the left side of the piston and extends into the sleeve, the mandrel is movably installed in the sleeve, and the right end of the mandrel is in contact with the left end of the screw.
As the preferable technical scheme of the pneumatic expansion device for cleaning the small cylinder block, the left end of the mandrel is conical, and the left end of the mandrel is matched with the expansion block.
The pneumatic expansion device for cleaning the small cylinder body further comprises a rubber ring I and a rubber ring II, the middle part of the piston is tightly contacted with the machine body through the rubber ring I, and the right part of the piston is tightly contacted with the rear cover through the rubber ring II.
As the preferable technical scheme of the pneumatic expansion device for cleaning the small cylinder block, the pneumatic expansion device further comprises two upper connectors, wherein one upper connector is fixedly arranged at the lower end of the machine body and communicated with the front cavity of the piston in the machine body, and the other upper connector is fixedly arranged in the lower end of the rear cover and communicated with the rear cavity of the piston in the machine body.
The invention has the beneficial effects that: the invention relates to an internal expansion type cylinder body clamping tool, which takes an air source as power, has high automation degree, can rotate and stop a workpiece at any angle of 360 degrees, can rotate the workpiece to any position without putting down a file during operation, has high efficiency, does not have the trouble of clamping the workpiece, and is very convenient to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an internal cross-sectional view of the present invention.
In the figure: the device comprises a base, a support, a rubber ring, a bolt, a rubber ring, a bolt, a nut, a rubber ring, a rear cover, a machine body, an upper connector, a lower connector, a pneumatic reversing valve, a silencer, a support plate, a base, a piston and a spring ring, wherein the support is 1-expansion block, the core shaft is 2.
Detailed Description
Example 1
As shown in fig. 1 to 2, the invention discloses a pneumatic expansion device for cleaning a small cylinder block, which adopts the technical scheme that the pneumatic expansion device comprises an expansion block 1, a mandrel 2, a screw I3, a sleeve 4, a screw II 6, a screw 8, a nut 9, a rubber ring III 10, a rear cover 11, a machine body 12, a lower joint 14, a pneumatic reversing valve 15, a silencer 16, a supporting plate 17, a base 18, a piston 19 and a spring ring 20; the upper part and the lower part of the base 18 are rotatably connected, and two rotating handles are fixedly arranged on the upper surface of the base 18; the lower end of the supporting plate 17 is fixedly arranged on the upper surface of the base 18; the pneumatic reversing valve 15 is fixedly arranged on the middle part of the supporting plate 17, and a silencer 16 is arranged at the lower end of the pneumatic reversing valve 15; two lower joints 14 are fixedly arranged at the upper end of the pneumatic reversing valve 15, and the lower joints 14 are communicated with the inside of the pneumatic reversing valve 15; the machine body 12 is a horizontal cylinder with a hollow inner part and a front opening and a rear opening, and the machine body 12 is fixedly arranged on the upper end of the supporting plate 17; the right end of the sleeve 4 is fixedly arranged on a left opening of the machine body 12 through a screw I3, the rear cover 11 is circular with a round hole in the middle, the left end of the rear cover 11 is fixedly arranged on a right opening of the machine body 12 through a screw II 6, and a rubber ring III 10 is fixedly arranged at the contact position of the rear cover 11 and the machine body 12; six expansion blocks 1 are arranged, and the six expansion blocks 1 are uniformly arranged on the left part of the sleeve 4 through spring rings 20; the mandrel 2, the screw 8 and the piston 19 are mounted in the body 12.
As a preferred technical solution of the pneumatic expansion device for cleaning a small cylinder block of the present invention, the piston 19 is a cross-shaped cylinder, the middle of the piston 19 is movably installed in the machine body 12, the right portion of the piston 19 movably passes through the right side surface of the rear cover 11, the left portion of the piston 19 is in close contact with the left half portion of the interior of the machine body 12, the screw 8 is movably installed in the piston 19, the right end of the screw 8 is located at the right side of the piston 19 and fixedly connected with the right side surface of the piston 19 through the nut 9, the left end of the screw 8 is located at the left side of the piston 19 and extends into the sleeve 4, the mandrel 2 is movably installed in the sleeve 4, and the right end of the mandrel 2 is in contact with the left end of the screw 8.
As a preferred technical scheme of the pneumatic expansion device for cleaning the small-sized cylinder block, the left end of the mandrel 2 is conical, and the left end of the mandrel 2 is matched with the expansion block 1.
The pneumatic expansion device for cleaning the small cylinder block further comprises a rubber ring I5 and a rubber ring II 7, the middle part of the piston 19 is tightly contacted with the machine body 12 through the rubber ring I5, and the right part of the piston 19 is tightly contacted with the rear cover 11 through the rubber ring II 7.
As a preferred technical scheme of the pneumatic expansion device for cleaning the small-sized cylinder block, the pneumatic expansion device further comprises two upper joints 13, wherein one upper joint 13 is fixedly arranged on the lower end of the machine body 12 and communicated with a front cavity of a piston 19 in the machine body 12, and the other upper joint 13 is fixedly arranged in the lower end of a rear cover 111 and communicated with a rear cavity of the piston 19 in the machine body 12.
The working principle of the invention is as follows: the two handles on the base 18 are loosened, the whole device can be adjusted to any position within 360 degrees of the horizontal plane, an operator can conveniently operate the device in a comfortable body position state, the upper connector 13 and the lower connector 14 are communicated through an air pipe, an external air cylinder is communicated with the pneumatic reversing valve 15, an operator presses a reversing button of the pneumatic reversing valve 15 to sleeve a workpiece (an air cylinder body) at the front end of the sleeve 4, compressed air enters a front cavity of a piston 19 in the machine body 12, the piston 19, the screw 8 and the mandrel 2 move backwards, the expansion block 1 contracts inwards under the action of a spring ring 20, the workpiece is lowered, and a new air cylinder body which needs to be cleaned is replaced; the pneumatic reversing valve 15 is loosened, compressed air enters the rear cavity of the piston 19 in the engine body 12, the piston 19, the screw 8 and the mandrel 2 are pushed to move forwards, and the conical surface at the front end of the mandrel 2 pushes the expansion block 1 to expand outwards until the surface of the inner hole of the cylinder body is tightly jacked. At this time, the workpiece is already expanded, and cleaning work can be performed.
The workpiece can be rotated by 360 degrees by repeating the action, and can be stopped and expanded at any position.
The bore sizes of the cylinder blocks are different, and the diameters of the outer surfaces of the six expansion blocks 1 are matched with the bore sizes so as to save time. The adjustment process is such that: the nut 9 is loosened, the screw 8 is rotated clockwise or anticlockwise, the mandrel 2 is enabled to advance or retreat, the expansion blocks 1 expand or contract, and therefore the diameter of the cylindrical surface formed by the six expansion blocks 1 is adjusted, and the diameter is generally adjusted to be about 0.2mm smaller than the single side of the diameter of the inner hole of the cylinder body.
The circuit connections involved in the present invention are conventional means employed by those skilled in the art, can be technically inspired by limited trials, and are widely used prior art.
Components not described in detail herein are prior art.
Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (5)
1. A pneumatic expansion device for cleaning a small cylinder body is characterized by comprising an expansion block (1), a mandrel (2), a screw I (3), a sleeve (4), a screw II (6), a screw rod (8), a nut (9), a rubber ring III (10), a rear cover (11), a machine body (12), a lower joint (14), a pneumatic reversing valve (15), a silencer (16), a supporting plate (17), a base (18), a piston (19) and a spring ring (20); the upper part and the lower part of the base (18) are rotatably connected, and two rotating handles are fixedly arranged on the upper surface of the base (18); the lower end of the supporting plate (17) is fixedly arranged on the upper surface of the base (18); the pneumatic reversing valve (15) is fixedly arranged on the middle part of the supporting plate (17), and a silencer (16) is arranged at the lower end of the pneumatic reversing valve (15); two lower joints (14) are fixedly installed at the upper end of the pneumatic reversing valve (15), and the lower joints (14) are communicated with the inside of the pneumatic reversing valve (15); the machine body (12) is a horizontal cylinder with a hollow inner part and a front opening and a rear opening, and the machine body (12) is fixedly arranged on the upper end of the supporting plate (17); the right end of the sleeve (4) is fixedly arranged on a left opening of the machine body (12) through a screw I (3), the rear cover (11) is circular, the middle of the rear cover is provided with a round hole, the left end of the rear cover (11) is fixedly arranged on a right opening of the machine body (12) through a screw II (6), and a rubber ring III (10) is fixedly arranged at a contact position of the rear cover (11) and the machine body (12); six expansion blocks (1) are arranged, and the six expansion blocks (1) are uniformly arranged on the left part of the sleeve (4) through spring rings (20); the mandrel (2), the screw (8) and the piston (19) are arranged in the machine body (12).
2. A pneumatic expansion device for cleaning a compact cylinder block according to claim 1, wherein: piston (19) are the cylinder of cross form, the middle part movable mounting of piston (19) is in organism (12), the right flank of back lid (11) is passed in the right part activity of piston (19), half an in close contact with in the inside left side of left part and organism (12) of piston (19), screw rod (8) movable mounting is in piston (19), the right-hand member of screw rod (8) is located the right side of piston (19) and passes through nut (9) and piston (19) right flank looks fixed connection, the left end of screw rod (8) is located the left side of piston (19), and stretches into in sleeve (4), dabber (2) movable mounting is in sleeve (4), the right-hand member of dabber (2) contacts with the left end of screw rod (8).
3. A pneumatic expansion device for cleaning a compact cylinder block according to claim 2, wherein: the left end of the mandrel (2) is conical, and the left end of the mandrel (2) is matched with the expansion block (1).
4. A pneumatic expansion device for cleaning a compact cylinder block according to claim 2, wherein: still include rubber circle I (5) and rubber circle II (7), the middle part of piston (19) is through rubber circle I (5) and organism (12) looks in close contact with, the right part of piston (19) is through rubber circle II (7) and back lid (11) looks in close contact with.
5. A pneumatic expansion device for cleaning a compact cylinder block according to claim 2, wherein: the device is characterized by further comprising two upper joints (13), wherein one upper joint (13) is fixedly installed at the lower end of the machine body (12) and communicated with a front cavity of a piston (19) in the machine body (12), and the other upper joint (13) is fixedly installed in the lower end of the rear cover (11) and communicated with a rear cavity of the piston (19) in the machine body (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110236082.XA CN112846270A (en) | 2021-03-03 | 2021-03-03 | Pneumatic expansion device for cleaning small-sized cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110236082.XA CN112846270A (en) | 2021-03-03 | 2021-03-03 | Pneumatic expansion device for cleaning small-sized cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112846270A true CN112846270A (en) | 2021-05-28 |
Family
ID=75991333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110236082.XA Pending CN112846270A (en) | 2021-03-03 | 2021-03-03 | Pneumatic expansion device for cleaning small-sized cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112846270A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333877A (en) * | 2021-06-01 | 2021-09-03 | 四川航天长征装备制造有限公司 | Detachable variable-diameter reverse thread repairing device |
-
2021
- 2021-03-03 CN CN202110236082.XA patent/CN112846270A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333877A (en) * | 2021-06-01 | 2021-09-03 | 四川航天长征装备制造有限公司 | Detachable variable-diameter reverse thread repairing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112846270A (en) | Pneumatic expansion device for cleaning small-sized cylinder body | |
| CN112570741A (en) | Novel cutting clamp | |
| CN109176099B (en) | Floating clamping driving device for four-axis machining center shaft type workpiece | |
| CN108127379B (en) | Pipe and joint press-fitting device | |
| CN214349706U (en) | Pneumatic expansion device for cleaning small-sized cylinder body | |
| CN211249217U (en) | Fixing clamp for milling machine | |
| CN217193987U (en) | A frock clamp for socket joint pipe fitting car processing | |
| CN214603245U (en) | Clamping device for machining special-shaped thin-wall sleeve through multiple shafts | |
| CN215788211U (en) | Cutter clamping fixture with variable length | |
| CN201446438U (en) | Chucking appliance for positioning and chucking tooth-shaped parts on lathe | |
| CN102049542B (en) | Pneumatic clamp for processing of claw pole outer surface | |
| CN205817027U (en) | A kind of tool for drilling fixture | |
| CN107081622B (en) | Quick positioning and clamping device for automobile rear axle shell drill and tapping vent hole | |
| US4756812A (en) | Electrical connector and clamp mechanism for ECM workpart shaft | |
| CN205927993U (en) | Milling fixture of two fork portion lateral surfaces of bead fork | |
| CN220463270U (en) | Angle-adjustable tubular welding seam polishing equipment | |
| CN203765105U (en) | Device for removing hole inner edge burrs | |
| CN111761138B (en) | Gear scraping machine | |
| CN205074802U (en) | Radial dowelling jig of tubulose work piece is cut and is used convertible frock | |
| CN104493300A (en) | A device and method for removing burrs on an inner edge of a hole | |
| CN110802261B (en) | Milling clamping tool | |
| CN218253971U (en) | Clamp for metal workpiece | |
| CN210254559U (en) | Novel precision machining machine tool equipment for improving automobile gear parts | |
| CN203900525U (en) | Lathe pneumatic chuck | |
| CN211438403U (en) | Device for removing sharp corners of wheel bolt holes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |