CN104191357A - Air cylinder sleeve grinding fixture - Google Patents
Air cylinder sleeve grinding fixture Download PDFInfo
- Publication number
- CN104191357A CN104191357A CN201410356710.8A CN201410356710A CN104191357A CN 104191357 A CN104191357 A CN 104191357A CN 201410356710 A CN201410356710 A CN 201410356710A CN 104191357 A CN104191357 A CN 104191357A
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- CN
- China
- Prior art keywords
- upper cover
- cover body
- fore
- pressing plate
- cylinder jacket
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses an air cylinder sleeve grinding fixture which is used in cooperation with a cylindrical grinding machine. The air cylinder sleeve grinding fixture comprises a central spindle whose upper end is provided with a screw rod. An upper cover is arranged on the central spindle and comprises a concave upper cover body. A nut fitting with the screw rod is hinged to the center of the upper cover body. A ratchet wheel is fixedly connected with the lower end of the nut in the upper cover body. At least two ejection columns are evenly arranged on the side wall of the upper cover body in a manner of penetrating through the side wall. The ejection columns are sleeved with springs. The end, protruding out of the side wall of the upper cover body, of each ejection column, is provided with a pressing plate. The ejection columns are in sliding fit with the side wall of the upper cover body relatively. Convex flanges corresponding to the ejection columns in number are arranged on the outer edge of the ratchet wheel. The pressing plates are correspondingly arranged outside the outer edge of the end face of an air cylinder sleeve when round heads of the ejection columns are at the highest points of the convex flanges and are correspondingly arranged on the outer edge of the end face of the air cylinder sleeve when the round heads of the ejection columns are at the highest points of the convex flanges. According to the invention, the air cylinder sleeve can be mounted on or dismounted from the fixture only by loosening or tightening the nut, so that the time for fixing and dismounting the air cylinder sleeve is greatly shortened and labor efficiency is improved.
Description
Technical field
The present invention relates to the technological equipment using in a kind of mechanical processing process, be used for specifically the fixture of clamping cylinder jacket when a kind of grinding cylinder jacket.
Background technology
Cylinder jacket is taken advantage of a thin-wall sleeve in cylinder, and its wall is very thin, and requires dimensional accuracy and fineness all very high.The cylindrical of cylinder jacket need to pass through grinding.When grinding, cylinder jacket need to be installed on the fixture of a mandrel form.
Current fixture is generally split type hold down gag, and as shown in Figure 1, it comprises and while being installed, cylinder jacket is enclosed within the mandrel 1 of a bottom band boss on mandrel.Mandrel upper end is also provided with the screw rod connecting as one with mandrel, puts a gland 2 on screw rod, then on gland, with a locking nut, gland is compressed again, and cylinder jacket is just fixed on fixture like this.On the screw rod of mandrel upper end, sometimes one post that is installed heart carrier is also set the lower end of mandrel installing heart carrier 4(), just whole fixture can be arranged on cylindrical grinder top and carry out grinding together with cylinder jacket.
When use fixture is as shown in Figure 1 installed cylinder jacket, need first mandrel be erected on workbench, cylinder jacket is inserted in, then gland be pressed, then be inserted in locking nut, after tightening, heart carrier be inserted in to mandrel, tighten the screw rod of heart carrier, heart carrier is fixed, complete fixture clamping.Therefore while loading and unloading part, all must, through " unloading " and " dress " two operations, just can complete unloading and packing work into of part at every turn, all must pull down and pack gland and locking nut in this process, efficiency is lower.In cargo handling process, the assembling of total gland, the tightening of locking nut, the work steps such as fixing and the tightening of bolt of heart carrier, and the weight of gland heavier (approximately more than 20 jin) is comparatively required great effort when assembling.
Summary of the invention
When the technical issues that need to address of the present invention are to provide a kind of grinding cylinder jacket, the clamp of the dismounting that can be installed easily.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
Cylinder jacket clamp, comprise that bottom is fixed with the mandrel of screw rod with center, boss upper end, described mandrel upper end is provided with upper cover, described upper cover comprises the upper cover body of a spill, the center hinged one of upper cover body coordinates the screw rod with on mandrel of rotation to coordinate nut with upper cover body, is fixedly connected with ratchet in the upper cover body of nut lower end; On the sidewall of upper cover body, be evenly provided with at least two the inners that connect sidewall with the fore-set of round end, between round end and upper cover body inwall, be provided with the spring being socketed on fore-set, one end that fore-set stretches out outside upper cover body sidewall is provided with pressing plate, the relative upper cover body snug engagement of fore-set; Described ratchet outer rim is provided with the cam edge corresponding with fore-set quantity, and the peak position of cam edge makes pressing plate correspondence outside cylinder jacket end face outer rim, and the lowest point of cam edge makes pressing plate correspondence within cylinder jacket end face internal diameter.
The present invention further improves and is: the cam edge in described ratchet outer rim, fore-set, pressing plate arrange respectively three and uniform at circumferencial direction.
The present invention further improves and is: described pressing plate is the circular arc plate that is fixed on fore-set outer end, and the radian of pressing plate is corresponding with cylinder liner diameter.
The present invention further improves and is: described fore-set is cylindrical, is provided with slide block in the inner side of the outer end clamp plate of fore-set, and slide block is matched with in the chute of upper cover body side.
Owing to having adopted technique scheme, the technological progress that the present invention obtains is:
The fixture that adopts structure of the present invention, shortens the clamping time of loading and unloading cylinder jacket greatly, raises labour efficiency.The present invention does not need to unload upper cover, only needs loose nut, can make within pressing plate is retracted into the endoporus of cylinder jacket, and cylinder jacket does not just stop on fixture like this, can unload easily and pack into.When cylinder jacket is inserted in after the mandrel of fixture, be rotated down nut, nut drives ratchet to rotate, flange pulley on ratchet is permanently connected to and coordinates with the round end on fore-set, and ratchet pushes fore-set while rotation and outwards moves, and pressing plate reaches the endface position of cylinder jacket, when pressing plate stretches out, whole upper cover also moves down along the screw rod of mandrel upper end downwards under the drive of nut, pressing plate is just pressed on the end face of cylinder jacket like this, and cylinder jacket is compressed, and is installed complete.Mandrel two ends are also all provided with the center hole and the heart carrier that coordinate with cylindrical grinder, after cylinder jacket is installed on fixture, just can packs grinding machine into and carry out grinding.Use the present invention can shorten the time of being installed, reduce labor intensity, enhance productivity.
Nut of the present invention and ratchet are connected to one, and the round end of fore-set coordinates with the cam edge of ratchet all the time under the pressure-acting of spring; Round end and cam edge are generally to contact, and reduce frictional force between the two.Fore-set and pressing plate, along even circumferential setting, can make cylinder jacket stressed evenly, are difficult for producing distortion.
The slide block arranging between fore-set and pressing plate, slide block along the axial sliding fit of fore-set, can prevent that the relative fore-set of pressing plate from axially rotating in the chute of upper cover body.
Brief description of the drawings
Fig. 1 is the schematic diagram of the fixture of background technology; Wherein: 1, mandrel, 2, gland, 3, locking nut, 4, heart carrier.
Fig. 2 is the agent structure schematic diagram of fixture of the present invention; Fig. 3 is the plan structure schematic diagram of upper cover of the present invention; Fig. 4 is the structural representation of looking up of upper cover of the present invention; Fig. 5 is the cross-sectional schematic of upper cover of the present invention.Wherein, 1, mandrel, 4, heart carrier, 5, cylinder jacket, 6, boss, 7, upper cover body, 8, pressing plate, 9, nut, 10, ratchet, 11, fore-set, 12, spring, 13, round end, 14, slide block.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further details:
Cylinder jacket clamp, as shown in Figure 2-5, comprises a mandrel 1, and the external diameter of mandrel 1 coordinates with inner diameter of cylinder sleeve.The bottom of mandrel 1 is with boss 6, and boss 6 below center is provided with band center point axle, on end axle, heart carrier 4 is installed.The center, upper end of mandrel 1 is fixed with screw rod, in mandrel 1 upper end screw rod, is set with a upper cover, and heart carrier 4 is set above upper cover.Described upper cover comprises a upper cover body 7, the spill that upper cover body 7 is back-off, and the center of upper cover body 7 is porose, a hinged nut 9 in hole, the threaded engagement on nut 9 and screw rod.Nut 9 is connected to one with a ratchet 10 through after the centre bore of upper cover body, nut 9 can rotate relative to upper cover body 7 with ratchet 10, and closely cooperates with upper cover body, as shown in Figure 5, in the time that nut 9 rotates along screw rod rising or declines, drive whole upper cover one lifting.Nut 9 be positioned at upper cover body 7 above, ratchet 10 is positioned at the spill below upper cover body 7.On the sidewall of upper cover body 7, be evenly provided with at least two fore-sets 11, in accompanying drawing 3,4, fore-set 11 is three that are uniformly distributed along the circumference.Fore-set connects the sidewall of upper cover body, and the sidewall of upper cover body is provided with slide opening, and fore-set is through in slide opening.The inner of fore-set is with round end 13, and the outer end of fore-set, with pressing plate 8, is socketed with spring 12 on the fore-set between upper cover body 7 inwalls and between round end 13, and pressing plate 8 is positioned at the outside of upper cover body 7, and round end 13 is positioned at the inside of upper cover body 7.Fore-set 11 is slidably matched in the slide opening of upper cover body 7 sidewalls.The fore-set of the present embodiment is cylindrical, spring 12 is cylindrical helical spring, inner side at the outer end clamp plate 8 of fore-set 11 is also provided with slide block 14, on the periphery of upper cover body 7, also have chute, as shown in Figure 5, slide block 14 is matched with in the chute of upper cover body 7 sides, prevents that fore-set, pressing plate self from rotating, and makes pressing plate not press tightly cylinder jacket.Certainly, push rod of the present invention is square or triangle with being designed to cross section, on upper cover body 7 sidewalls, is also provided with corresponding square hole or tri-angle-holed.
Ratchet 10 outer rims of the present invention are provided with the cam edge corresponding with fore-set 11 quantity, and the cam edge in the present embodiment in ratchet 10 outer rims, fore-set 11, pressing plate 8 are all arranged to three, and uniform at circumferencial direction.Cylinder jacket pressurized is more even like this.Round end 13 on fore-set 11 contacts cooperation with cam edge, the peak position of cam edge can be by the external diameter that drives push rod that pressing plate 8 is exceeded, and arrives outside cylinder jacket end face outer rim; The lowest point of cam edge can make within pressing plate 8 is retracted into the endoporus internal diameter of cylinder jacket, do not stopping the end face of cylinder jacket.The appearance and size of ratchet and cam edge, can reserve the space that cylinder jacket is come in and gone out when pressing plate retraction, when pressing plate stretches out, can be that pressing plate is pressed on cylinder jacket end face.
Pressing plate 8 of the present invention is circular arc plate, and the radian of pressing plate 8 is corresponding with cylinder liner diameter.Pressing plate 8 is fixed on the outer end of fore-set 11, between pressing plate 8 and fore-set 11, is provided with slide block 14.
Use time of the present invention, use spanner rotating nut, nut and ratchet are integral type structure, nut rotarily drives ratchet rotation, after ratchet rotation, fore-set is ejected, and fore-set is with dynamic pressure plate to extend out after by jack-up, thereby compression cylinder sleeve end face, then heart carrier is inserted in mandrel, the location of cylinder sleeve completed.
When the round end of fore-set arrives the minimum point of cam edge, pressing plate is also at diametric minimum point place, and now, cylinder sleeve can take out in the situation that not taking off gland, has saved manpower and man-hour.Along with the rotation of ratchet, cam edge ejects fore-set, and pressing plate can be pushed down cylinder sleeve, completes location, starts processing.
Claims (4)
1. cylinder jacket clamp, comprise that bottom is fixed with the mandrel (1) of screw rod with boss (6) center, upper end, it is characterized in that: described mandrel (1) upper end is provided with upper cover, described upper cover comprises the upper cover body (7) of a spill, the center hinged one of upper cover body (7) coordinates the screw rod with on mandrel (1) of rotation to coordinate nut (9) with upper cover body (7), is fixedly connected with ratchet (10) in nut (9) lower end upper cover body (7); On the sidewall of upper cover body (7), be evenly provided with at least two the inners that connect sidewall with the fore-set (11) of round end (13), between round end (13) and upper cover body (7) inwall, be provided with the spring (12) being socketed on fore-set (11), one end that fore-set (11) stretches out outside upper cover body (7) sidewall is provided with pressing plate (8), and fore-set (11) is upper cover body (7) snug engagement relatively; Described ratchet (10) outer rim is provided with the cam edge corresponding with fore-set (11) quantity, the peak position of cam edge makes pressing plate (8) corresponding outside cylinder jacket end face outer rim, and the lowest point of cam edge makes pressing plate (8) corresponding within cylinder jacket end face internal diameter.
2. cylinder jacket clamp according to claim 1, is characterized in that cam edge, fore-set (11), the pressing plate (8) in described ratchet (10) outer rim arranges respectively three and uniform at circumferencial direction.
3. cylinder jacket clamp according to claim 1, is characterized in that described pressing plate (8) is for being fixed on the circular arc plate of fore-set (11) outer end, and the radian of pressing plate (8) is corresponding with cylinder liner diameter.
4. according to the cylinder jacket clamp described in claim 1～3 any one, it is characterized in that described fore-set (11) is for cylindrical, be provided with slide block (14) in the inner side of the outer end clamp plate (8) of fore-set (11), slide block (14) is matched with in the chute of upper cover body (7) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410356710.8A CN104191357B (en) | 2014-07-25 | 2014-07-25 | Cylinder jacket clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410356710.8A CN104191357B (en) | 2014-07-25 | 2014-07-25 | Cylinder jacket clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104191357A true CN104191357A (en) | 2014-12-10 |
| CN104191357B CN104191357B (en) | 2016-09-07 |
Family
ID=52076804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410356710.8A Active CN104191357B (en) | 2014-07-25 | 2014-07-25 | Cylinder jacket clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104191357B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105549073A (en) * | 2015-12-21 | 2016-05-04 | 重庆璀陆探测技术有限公司 | Mechanical adherent flexible coupling probe for geological detection |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1533057A1 (en) * | 2003-11-14 | 2005-05-25 | A & M Electric Tools GmbH | Toolholder of a power tool, particularly a screwdriver |
| US6966562B1 (en) * | 2001-05-31 | 2005-11-22 | Wienhold James L | Multiple mode chuck |
| CN203210021U (en) * | 2013-03-08 | 2013-09-25 | 王越敏 | Locating supporting device for lathe |
| CN203438014U (en) * | 2013-07-08 | 2014-02-19 | 河北华北柴油机有限责任公司 | Air cylinder sleeve external grinding clamping device |
| CN203448701U (en) * | 2013-07-16 | 2014-02-26 | 泉州佰源机械科技股份有限公司 | Finish turning clamp used in middle adjustment core of circular knitting machine |
| CN204149015U (en) * | 2014-07-25 | 2015-02-11 | 河北华北柴油机有限责任公司 | Cylinder jacket clamp |
-
2014
- 2014-07-25 CN CN201410356710.8A patent/CN104191357B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6966562B1 (en) * | 2001-05-31 | 2005-11-22 | Wienhold James L | Multiple mode chuck |
| EP1533057A1 (en) * | 2003-11-14 | 2005-05-25 | A & M Electric Tools GmbH | Toolholder of a power tool, particularly a screwdriver |
| CN203210021U (en) * | 2013-03-08 | 2013-09-25 | 王越敏 | Locating supporting device for lathe |
| CN203438014U (en) * | 2013-07-08 | 2014-02-19 | 河北华北柴油机有限责任公司 | Air cylinder sleeve external grinding clamping device |
| CN203448701U (en) * | 2013-07-16 | 2014-02-26 | 泉州佰源机械科技股份有限公司 | Finish turning clamp used in middle adjustment core of circular knitting machine |
| CN204149015U (en) * | 2014-07-25 | 2015-02-11 | 河北华北柴油机有限责任公司 | Cylinder jacket clamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105549073A (en) * | 2015-12-21 | 2016-05-04 | 重庆璀陆探测技术有限公司 | Mechanical adherent flexible coupling probe for geological detection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104191357B (en) | 2016-09-07 |
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