CN204149015U - Cylinder jacket clamp - Google Patents
Cylinder jacket clamp Download PDFInfo
- Publication number
- CN204149015U CN204149015U CN201420413371.8U CN201420413371U CN204149015U CN 204149015 U CN204149015 U CN 204149015U CN 201420413371 U CN201420413371 U CN 201420413371U CN 204149015 U CN204149015 U CN 204149015U
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- CN
- China
- Prior art keywords
- upper cover
- fore
- cover body
- cylinder jacket
- pressing plate
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of cylinder jacket clamp, with cylindrical grinder with the use of.Comprise the mandrel that there is screw rod upper end, mandrel arranges upper cover, upper cover comprises the upper cover body of a spill, the nut that the center hinged of upper cover body coordinates with screw rod, and nut lower end upper cover body internal fixtion is connected with ratchet; The sidewall of upper cover body is evenly provided with at least two fore-sets of through sidewall, fore-set is socketed with spring, 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; Ratchet outer rim is provided with the cam edge corresponding with fore-set quantity, and the peak position of cam edge makes pressing plate corresponding outside cylinder jacket end face outer rim, and the lowest point of cam edge makes pressing plate corresponding within cylinder jacket end face internal diameter.Adopt the fixture of the utility model structure, only need loosen or clamp nut, cylinder jacket can be unloaded on fixture and load compression, the clamping time of loading and unloading cylinder jacket is shortened greatly, raises labour efficiency.
Description
Technical field
The utility model relates to the technological equipment used in a kind of mechanical processing process, is used for the fixture of clamping cylinder jacket specifically during a kind of grinding cylinder jacket.
Background technology
Cylinder jacket takes advantage of a thin-wall sleeve in cylinder, and its wall is very thin, and requires that dimensional accuracy and fineness are all very high.The cylindrical of cylinder jacket needs through grinding.During grinding, need cylinder jacket 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 the mandrel 1 of a bottom band boss, cylinder jacket is enclosed within mandrel when being installed.Mandrel upper end is also provided with the screw rod connected as one with mandrel, screw rod puts a gland 2, and then compressed by gland with a locking nut on gland, such cylinder jacket is just fixed on fixture again.The screw rod of mandrel upper end is also arranged a post being installed heart carrier in the lower end of installing heart carrier 4(mandrel sometimes), just can by whole fixture together with cylinder jacket be arranged on cylindrical grinder top on carry out grinding.
Use fixture be as shown in Figure 1 installed cylinder jacket time, need first mandrel be erected on workbench, cylinder jacket be inserted in, then gland be pressed, then be inserted in locking nut, after tightening, heart carrier be inserted in mandrel, tighten the screw rod of heart carrier, heart carrier is fixed, complete fixture clamping.When therefore loading and unloading part, all have to pass through " unloading " and operate with " dress " two, just can complete unloading and loading work of part, all must pull down in this process and load gland and locking nut, efficiency is lower at every turn.In cargo handling process, the assembling of total gland, tightening of locking nut, the fixing and bolt of heart carrier the work step such as to tighten, and the heavier-weight of gland (about more than 20 jin), comparatively require great effort during assembling.
Utility model content
When the utility model technical issues that need to address 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 scheme that the utility model adopts is:
Cylinder jacket clamp, comprise bottom is fixed with screw rod mandrel with boss upper end center position, 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 nut coordinated with screw rod on mandrel that is that rotate with upper cover body, nut lower end upper cover body internal fixtion is connected with ratchet; The sidewall of upper cover body is evenly provided with the fore-set of at least two the inners with round end of through sidewall, the spring be socketed on fore-set is provided with between round end and upper cover body inwall, 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 corresponding outside cylinder jacket end face outer rim, and the lowest point of cam edge makes pressing plate corresponding within cylinder jacket end face internal diameter.
The utility model improves further and is: the cam edge in described ratchet outer rim, fore-set, pressing plate arrange three and uniform at circumferencial direction respectively.
The utility model improves further and is: described pressing plate is the circular arc plate being fixed on fore-set outer end, and the radian of pressing plate is corresponding with cylinder liner diameter.
The utility model improves further and is: described fore-set is cylindrical, and the inner side of the outer end clamp plate of fore-set is provided with slide block, and slide block is matched with in the chute of upper cover body side.
Owing to have employed technique scheme, the technological progress that the utility model obtains is:
Adopt the fixture of the utility model structure, the clamping time of loading and unloading cylinder jacket is shortened greatly, raises labour efficiency.The utility model does not need to unload upper cover, only needs loose nut, and pressing plate can be made to be retracted within the endoporus of cylinder jacket, and such cylinder jacket does not just stop on fixture, can unload easily and loading.After cylinder jacket is inserted in the mandrel of fixture, be rotated down nut, nut drives pawl wheel, flange pulley on ratchet is permanently connected to the round end on fore-set and coordinates, and push fore-set outwards movement during pawl wheel, pressing plate reaches the endface position of cylinder jacket, while pressing plate stretches out whole upper cover under the drive of nut also the downward screw rod along mandrel upper end move down, such pressing plate is just pressed on the end face of cylinder jacket, cylinder jacket is compressed, is installed complete.Mandrel two ends are also all provided with the center hole and heart carrier that coordinate with cylindrical grinder, cylinder jacket are installed on after on fixture, just can load grinding machine and carry out grinding.Use the utility model to shorten the time of being installed, reduce labor intensity, enhance productivity.
Nut of the present utility model 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 effect of spring; Round end and cam edge are generally point cantact, reduce frictional force between the two.Fore-set and pressing plate are circumferentially evenly arranged, and can make cylinder jacket uniform force, not easily produce distortion.
The slide block arranged between fore-set and pressing plate, slide block along the axial sliding fit of fore-set, can prevent pressing plate from axially producing relative to fore-set and rotate in the chute of upper cover body.
Accompanying drawing explanation
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 utility model; Fig. 3 is the plan structure schematic diagram of upper cover of the present utility model; Fig. 4 be upper cover of the present utility model look up structural representation; Fig. 5 is the cross-sectional schematic of upper cover of the present utility model.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 utility model is described in further details:
Cylinder jacket clamp, as shown in Figure 2-5, comprise a mandrel 1, 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, and end axle installs heart carrier 4.The upper end center position of mandrel 1 is fixed with screw rod, is set with a upper cover, arranges heart carrier 4 above upper cover in the screw rod of mandrel 1 upper end.Described upper cover comprises a upper cover body 7, and upper cover body 7 is the spill of back-off, and the center of upper cover body 7 is porose, a hinged nut 9 in hole, nut 9 and the threaded engagement on 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, when nut 9 rotates along screw rod rising or declines, drive the lifting of whole upper cover one.Nut 9 is positioned at above upper cover body 7, and ratchet 10 is positioned at the spill below upper cover body 7.The sidewall of upper cover body 7 is evenly provided with at least two fore-sets 11, and in accompanying drawing 3,4, fore-set 11 is three of being uniformly distributed along the circumference.The sidewall of the through upper cover body of fore-set, 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 is with pressing plate 8, and the fore-set between upper cover body 7 inwall and between round end 13 is socketed with spring 12, 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 sidewall.The fore-set of the present embodiment is cylindrical, spring 12 is cylindrical helical spring, slide block 14 is also provided with in the inner side of the outer end clamp plate 8 of fore-set 11, the periphery of upper cover body 7 also has chute, as shown in Figure 5, slide block 14 is matched with in the chute of upper cover body 7 side, prevents fore-set, pressing plate self from producing and rotates, make pressing plate not press tightly cylinder jacket.Certainly, push rod of the present utility model and can be designed to cross section be square or triangle, upper cover body 7 sidewall is also provided with corresponding square hole or tri-angle-holed.
Ratchet 10 outer rim of the present utility model is provided with the cam edge corresponding with fore-set 11 quantity, and the cam edge in the present embodiment in ratchet 10 outer rim, fore-set 11, pressing plate 8 are all arranged to three, and uniform at circumferencial direction.Such cylinder jacket pressurized is more even.Round end 13 on fore-set 11 contacts with cam edge and coordinates, and the peak position of cam edge can make by driving push rod the external diameter that pressing plate 8 exceeds, and arrives outside cylinder jacket end face outer rim; The lowest point of cam edge can make pressing plate 8 be retracted within the bore inner diameter of cylinder jacket, not at the end face stopping cylinder jacket.The appearance and size of ratchet and cam edge, can pressing plate retract time reserve cylinder jacket come in and go out space, when pressing plate stretches out, can be that pressing plate is pressed on cylinder jacket end face.
Pressing plate 8 of the present utility model 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, is provided with slide block 14 between pressing plate 8 and fore-set 11.
When using the utility model, use spanner rotating nut, nut and ratchet are integral type structure, nut rotarily drives ratchet and rotates, fore-set ejects after rotating by ratchet, and fore-set is with dynamic pressure plate and is extended out after jack-up, thus compresses cylinder sleeve end face, again heart carrier is inserted in mandrel, completes the location of cylinder sleeve.
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 when not taking off gland, saves manpower and man-hour.Along with the rotation of ratchet, fore-set ejects by cam edge, and cylinder sleeve can be pushed down by pressing plate, completes location, starts processing.
Claims (4)
1. cylinder jacket clamp, comprise bottom is fixed with screw rod mandrel (1) with boss (6) upper end center position, 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 nut (9) coordinated with the screw rod on mandrel (1) rotated with upper cover body (7), nut (9) lower end upper cover body (7) internal fixtion is connected with ratchet (10); The sidewall of upper cover body (7) is evenly provided with the fore-set (11) of at least two the inners with round end (13) of through sidewall, the spring (12) be socketed on fore-set (11) is provided with between round end (13) and upper cover body (7) inwall, fore-set (11) one end of stretching 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 the cam edge in described ratchet (10) outer rim, fore-set (11), pressing plate (8) arrange three and uniform at circumferencial direction respectively.
3. cylinder jacket clamp according to claim 1, it is characterized in that described pressing plate (8) is for being fixed on the circular arc plate of fore-set (11) outer end, the radian of pressing plate (8) is corresponding with cylinder liner diameter.
4. the cylinder jacket clamp according to any one of claims 1 to 3, it is characterized in that described fore-set (11) is for cylindrical, the inner side of the outer end clamp plate (8) of fore-set (11) is provided with slide block (14), and 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 |
|---|---|---|---|
| CN201420413371.8U CN204149015U (en) | 2014-07-25 | 2014-07-25 | Cylinder jacket clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420413371.8U CN204149015U (en) | 2014-07-25 | 2014-07-25 | Cylinder jacket clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204149015U true CN204149015U (en) | 2015-02-11 |
Family
ID=52507167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420413371.8U Withdrawn - After Issue CN204149015U (en) | 2014-07-25 | 2014-07-25 | Cylinder jacket clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204149015U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191357A (en) * | 2014-07-25 | 2014-12-10 | 河北华北柴油机有限责任公司 | Air cylinder sleeve grinding fixture |
| CN108284408A (en) * | 2018-03-23 | 2018-07-17 | 浙江大学山东工业技术研究院 | A kind of fixture |
-
2014
- 2014-07-25 CN CN201420413371.8U patent/CN204149015U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191357A (en) * | 2014-07-25 | 2014-12-10 | 河北华北柴油机有限责任公司 | Air cylinder sleeve grinding fixture |
| CN108284408A (en) * | 2018-03-23 | 2018-07-17 | 浙江大学山东工业技术研究院 | A kind of fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150211 Effective date of abandoning: 20160907 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |