CN214349706U - Pneumatic expansion device for cleaning small-sized cylinder body - Google Patents
Pneumatic expansion device for cleaning small-sized cylinder body Download PDFInfo
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- CN214349706U CN214349706U CN202120460248.1U CN202120460248U CN214349706U CN 214349706 U CN214349706 U CN 214349706U CN 202120460248 U CN202120460248 U CN 202120460248U CN 214349706 U CN214349706 U CN 214349706U
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- 238000004140 cleaning Methods 0.000 title claims abstract description 12
- 230000003584 silencer Effects 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a pneumatic expansion device for cleaning a small-sized 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 support 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 utility model relates to a cylinder body clamping tool of formula expands in section, it uses the air supply as power, and degree of automation is high, and the work piece can 360 arbitrary rotations, stops, and the operator need not put down the file during operation and can rotate work piece to arbitrary position, efficient, and do not have the worry of looking after of pressing from both sides bad work piece, and it is very convenient to use.
Description
Technical Field
The utility model relates to a burr clearance technical field specifically is a small-size pneumatic tight device that expands for cylinder body clearance.
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, the utility model discloses a degree of automation is high, the operation of being convenient for, and efficient cylinder body bloated tight device is very necessary.
SUMMERY OF THE UTILITY MODEL
In view of the problems in the prior art, the utility model discloses a pneumatic expansion device for cleaning a small-sized 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 the utility model discloses a preferred technical scheme of small-size pneumatic tight device that expands for cylinder body clearance, the piston is the cylinder of cross form, the middle part movable mounting of piston is in the organism, the right flank of back lid is passed in the right part activity of piston, half in close contact with in the left part of the inside of piston and organism, screw rod movable mounting is in the piston, the right-hand member of screw rod is located the right flank looks fixed connection that nut and piston were passed through on the right side of piston, the left end of screw rod is located the left side of piston, and stretches into in the sleeve, dabber movable mounting is in the sleeve, the right-hand member of dabber contacts with the left end of screw rod.
As the utility model discloses a small-size cylinder body clearance is with preferred technical scheme of pneumatic tight device that expands, the left end of dabber is conical, the left end of dabber cooperatees with the bloated piece.
As the utility model discloses a small-size cylinder body clearance is with preferred technical scheme of pneumatic tight device that expands still includes rubber circle I and rubber circle II, rubber circle I and organism looks in close contact are passed through at the middle part of piston, rubber circle II and back lid looks in close contact are passed through to the right part of piston.
As the utility model discloses a small-size cylinder body clearance is with preferred technical scheme of pneumatic tight device that expands, still includes the top connection, the top connection has two, and one of them top connection fixed mounting is on the lower extreme of organism, and is linked together with the antechamber of piston in the organism, and another top connection fixed mounting is in the lower extreme of back lid, and is linked together with the back chamber of piston in the organism.
The utility model has the advantages that: the utility model relates to a cylinder body clamping tool of formula expands in section, it uses the air supply as power, and degree of automation is high, and the work piece can 360 arbitrary rotations, stops, and the operator need not put down the file during operation and can rotate work piece to arbitrary position, efficient, and do not have the worry of looking after of pressing from both sides bad work piece, and it 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 2-3-the bolt, the sleeve is 4-the rubber ring, the rubber ring is 5-6-the bolt, the rubber ring is 7-the rubber ring, the screw is 8-the nut, the rubber ring is 10-the rubber ring III, the rear cover is 11-12-the machine body, the upper connector, the lower connector, the pneumatic reversing valve, the silencer, the support is 16-17-the support plate, the base, the piston and the spring ring are 20-the spring ring.
Detailed Description
Example 1
As shown in fig. 1 to 2, the utility model discloses a pneumatic expansion device for cleaning a small cylinder body, which adopts the technical scheme that the 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 support 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 the utility model discloses a preferred technical scheme of small-size pneumatic tight device that expands for cylinder block clearance, piston 19 is the cylinder of cross form, piston 19's middle part movable mounting is in organism 12, the right flank of back lid 11 is passed in piston 19's right part activity, piston 19's the left part and organism 12's half a close contact with in the inside left side, screw rod 8 movable mounting is in piston 19, screw rod 8's right-hand member is located piston 19's right side and passes through nut 9 and piston 19's right flank looks fixed connection, screw rod 8's left end is located piston 19's left side, and stretches into in the sleeve 4, 2 movable mounting of dabber is in sleeve 4, the right-hand member of dabber 2 contacts with screw rod 8's left end.
As the utility model discloses a small-size cylinder body clearance is with preferred technical scheme of pneumatic tight device that expands, the left end of dabber 2 is conical, the left end of dabber 2 cooperatees with bloated piece 1.
As the utility model discloses a small-size cylinder body clearance is with preferred technical scheme of pneumatic tight device that expands, still include rubber circle I5 and rubber circle II 7, rubber circle I5 and organism 12 looks in close contact are passed through at piston 19's middle part, piston 19's right part is passed through rubber circle II 7 and back lid 11 looks in close contact with.
As the utility model discloses a small-size cylinder body clearance is with preferred technical scheme of pneumatic tight device that expands, still include top connection 13, top connection 13 has two, and one of them top connection 13 fixed mounting is on organism 12's lower extreme, and is linked together with organism 12 inner piston 19's ante-chamber, and another top connection 13 fixed mounting is in the lower extreme of back lid 111, and is linked together with organism 12 inner piston 19's ante-chamber.
The utility model discloses a theory of operation: 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 utility model relates to a circuit connection is the conventional means that technical staff adopted in this field, and accessible limited number of tests obtains the technological inspiration, belongs to the 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 can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations without creative efforts are still within the scope 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 |
|---|---|---|---|
| CN202120460248.1U CN214349706U (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 |
|---|---|---|---|
| CN202120460248.1U CN214349706U (en) | 2021-03-03 | 2021-03-03 | Pneumatic expansion device for cleaning small-sized cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214349706U true CN214349706U (en) | 2021-10-08 |
Family
ID=77969985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120460248.1U Expired - Fee Related CN214349706U (en) | 2021-03-03 | 2021-03-03 | Pneumatic expansion device for cleaning small-sized cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214349706U (en) |
-
2021
- 2021-03-03 CN CN202120460248.1U patent/CN214349706U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |