CN204036048U - A kind of machined frock of hydraulic motor swash plate - Google Patents
A kind of machined frock of hydraulic motor swash plate Download PDFInfo
- Publication number
- CN204036048U CN204036048U CN201420444035.XU CN201420444035U CN204036048U CN 204036048 U CN204036048 U CN 204036048U CN 201420444035 U CN201420444035 U CN 201420444035U CN 204036048 U CN204036048 U CN 204036048U
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- swelling
- swash plate
- clamp body
- axle
- plate
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Abstract
The utility model provides a kind of machined frock of hydraulic motor swash plate, comprise clamp body, the front side of described clamp body is fixed with taper liner plate, the front side of described clamp body is also fixed with the device for positioning inner hole of swash plate, angle positioner and hold down gag, wherein, the device for positioning inner hole of described swash plate comprises swelling axle and for making the swelling pin of the front end swelling of swelling axle, clamp body and taper liner plate have through hole, swelling axle is located in the through hole of clamp body and taper liner plate, the rear end of swelling axle is locked at the rear side of clamp body, swelling axle is located in the endoporus of swash plate.In the utility model, the large plane positioning of swash plate workpiece is still close to taper liner plate, the sub-assembly of swelling axle and swelling pin is leaned in the location of workpiece interstitial hole, the angle alignment pin of side is replaced with the sub-assembly of handle, spring and angle alignment pin, thrust mainly leans on the active force of swelling axle and swelling pin, and the sub-assembly of Z-type pressing plate and thin nut also serves the auxiliary effect compressed simultaneously.
Description
Technical field
The utility model relates to a kind of new structure of the machined hand frock of cam-type axial piston motor swash plate, belongs to the machined field of hydraulic motor parts.
Background technology
Cam-type axial piston hydraulic motor be high-speed motor application in the most widely, the advantages such as this low-speed big torque motor has good reliability, and efficiency is high, and noise is low.Swash plate is the critical elements changing whole motor displacement, and hydraulic oil produces axial force and turning moment by swash plate, the pivot angle of swash plate is changed, thus causes the discharge capacity of motor also to change.The structure that special role due to swash plate determines swash plate is also more special: this swash plate must have a large slope driving housing assembly to complete the action of oil suction and oil extraction, and reverse side also needs an inclination angle and two ball-and-sockets as fulcrum could change the minimum and maximum discharge capacity of motor.Therefore in the processing and manufacturing process of swash plate, positive and negative two bevel angles of this part and the position dimension of two ball-and-sockets and form and position tolerance are even more important, and this just determines the location of the frock of these three key elements of processing and clamping is also vital.
The ball-and-socket of processing reverse side conventional at present and the hand frock on inclined-plane are as illustrated in figs. ia and ib, its general principle is: apotting spindle 1 is locked on clamp body 8 by axle locking nut 10 and packing ring 11, taper liner plate 9 is positioned on clamp body 8 by lock-screw 12 and alignment pin 16, and swash plate 17 endoporus is positioned on taper liner plate 9 by apotting spindle 1; The angle setting element of frock is connected to the angle insert-pull pin 13 supported on backing plate 15, and this insert-pull pin needs after having good positioning to lock with stop nut 14; After Workpiece fixing is good, need, with pressing plate 2 liang of side compressions, finally to lock with locking nut 3.After such work completes, just can machined.This mechanic is equipped with significant limitation: 1, the apotting spindle of this frock is fixed dimension, owing to having the margin of tolerance in the centre bore processing of part, cause control bad with the fit clearance of apotting spindle, gap is little, after processing, workpiece is not easy to take out, and gap is large, and the position dimension of ball-and-socket does not reach drawing requirement, the processing dimension of front one endoporus is required relatively stricter, and this apotting spindle may wear to a certain degree and just can not re-use; 2, the angle insert-pull pin of this frock and the gap also bad control of workpiece, thus after impact processing the pivot angle of swash plate and the position dimension of ball-and-socket and drawing there is any discrepancy; 3, this frock is due to the limitation of workpiece shapes and size, and vertical compression plate can only be very thin very narrow, causes thrust inadequate, easily rock, and pressing plate is easily out of shape in workpiece process; 4, the nut of the locking pressure plate of this frock is when just bringing into use, and owing to exceeding workpiece, causes in the process of milling face, and by thin for nut also milling, the ridge number screwed reduces, thus the part of tightening shortens, and thrust diminishes, and follow-up bad dismounting.
Utility model content
The purpose of this utility model overcomes the problems referred to above, provides a kind of machined frock of hydraulic motor swash plate, with on the basis of minimum cost, can position workpiece well, again can clamping work pieces better, improves mach qualification rate.
To achieve these goals, the utility model provides a kind of machined frock of hydraulic motor swash plate, it is characterized in that, comprise clamp body, the front side of described clamp body is fixed with taper liner plate, the front side of described clamp body is also fixed with the device for positioning inner hole of swash plate, angle positioner and hold down gag, wherein, the device for positioning inner hole of described swash plate comprises swelling axle and for making the swelling pin of the front end swelling of swelling axle, clamp body and taper liner plate have through hole, swelling axle is located in the through hole of clamp body and taper liner plate, the rear end of swelling axle is locked at the rear side of clamp body, swelling axle is located in the endoporus of swash plate.
Preferably, described swelling axle comprises common positioning section, and the front end of common positioning section is provided with swelling section, and the middle part of swelling section is provided with cone-shaped inner hole, and when swelling pin is located in cone-shaped inner hole, swelling section is in swelling state.
Preferably, the rear end of described swelling axle is by axle locking nut and the washer locking rear side at clamp body.
Preferably, described taper liner plate is located by lock-screw and alignment pin and is fixed on clamp body.
Preferably, the angle positioner of described swash plate comprises the support backing plate be fixed on front side of clamp body, support backing plate and be provided with installing hole, the angle insert-pull pin for angle location swash plate and spring is provided with in installing hole, angle insert-pull pin is located at the middle part of spring, the left end connecting handle of angle insert-pull pin, and the outside of angle insert-pull pin is provided with an annular projection, the right-hand member of spring is against this annular projection, and angle insert-pull pin is locked by spring.
Preferably, the hold down gag of described swash plate comprises support bar and screw rod, the rear end of support bar and screw rod is fixed on the front side of clamp body by clamp nut, the front end of support bar is by the Z-shaped pressing plate of locking nut connection for compressing swash plate, and the front end of support bar is against Z-shaped pressing plate.
More preferably, described locking nut is thin nut.
Compared with prior art, the beneficial effects of the utility model are:
1, in the utility model, the large plane positioning of swash plate workpiece is still close to taper liner plate, the sub-assembly of swelling axle and swelling pin is leaned in the location of workpiece interstitial hole, the angle alignment pin of side is replaced with the sub-assembly of handle, spring and angle alignment pin, thrust mainly leans on the active force of swelling axle and swelling pin, and the sub-assembly of Z-type pressing plate and thin nut also serves the auxiliary effect compressed simultaneously.
2, owing to have employed the locating clip tight integration mode of swelling axle and swelling pin.Swelling mandrel structure adopts the combination of swelling section and plain mandrel section, substantially increase the accuracy of location, make workpiece when plain mandrel basic fixed position, swelling section eliminates the gap of workpiece and apotting spindle, thus locating effect improves greatly.And the special construction of new definition axle, the fit-up gap of simple apotting spindle can be solved, can solve again the defect that simple swelling axle still can be rocked in process, swelling axle coordinates with swelling pin the structure that have employed cone match, reaches higher thrust.In process, swelling section eliminates the gap of common positioning section well, and the existence of common positioning section compensate for the elastic recovery of swelling section, fundamentally solve the problem of location, cone-shaped inner hole structure can coordinate with swelling pin well again and reaches higher thrust; If do not changing on the basis of pressing plate, swelling axle is also having compression while playing location, makes workpiece work in-process, is not easy to be caused loosening by side force impact, thus the required precision that will reach after ensure that processing better;
3, angle location have employed the combination of handle, spring and angle alignment pin.The time of being carried out by stop nut loading and unloading all is needed when not only saving workpiece loading and unloading on old tool structure, and the reset function of spring can not only adjust the fit clearance with workpiece flexibly, the part side cutting power that when processing ball-and-socket, cutter causes can also be offset, thus ensure that the position dimension of swash plate ball-and-socket better; The thrust of spring is large, and work in-process can revise the angle of lateral register, thus the side force that counteracting tool sharpening ball-and-socket causes, ensure that the rear pivot angle of swash plate of processing and the position dimension of ball-and-socket better;
4, compression mode has made the combination of Z-type pressing plate and thin nut into.This pattern not only intensity improves greatly, and saves assembly space, is convenient to machined.Adopt Z-type pressing plate, intensity improves greatly, adopts thin nut simultaneously, structure space after assembling is lower than workpiece, can not cause interference in processing, thus workpiece pressing better, even if do not adopt thin nut, the locking nut milled away just little by little, does not affect the locking torque of nut yet.This pressing plate solves the limitation of processing space largely simultaneously; When not affecting thrust, improve the locking torque of locking nut.
5, the utility model does not change the structure of original frock completely, only needs part to carry out changing, and is the large efficiency of little cost.
Accompanying drawing explanation
Fig. 1 a is the profile of traditional Wobble plate machine processing tool;
Fig. 1 b is the front view of traditional Wobble plate machine processing tool;
Fig. 2 a is the profile of Wobble plate machine processing tool of the present utility model;
Fig. 2 b is the front view of Wobble plate machine processing tool of the present utility model;
Fig. 3 is the structure chart of the swelling axle after improving.
Drawing reference numeral illustrates:
1, apotting spindle; 2, pressing plate; 3, locking nut; 4, screw rod; 5, support bar; 6, clamp nut; 7, lifting bolt; 8, clamp body; 9, taper liner plate; 10, axle locking nut; 11, packing ring; 12, lock-screw; 13, angle insert-pull pin; 14, stop nut; 15, backing plate is supported; 16, alignment pin; 17, swash plate; 1-1, swelling axle; 1-2, swelling pin; 1-3, Z-type pressing plate; 1-4, locking nut; 1-5, screw rod; 1-6, support bar; 1-7, clamp nut; 1-8, lifting bolt; 1-9, clamp body; 1-10, taper liner plate; 1-11 axle locking nut; 1-12, packing ring; 1-13, lock-screw; 1-14, handle; 1-15, spring; 1-16, angle alignment pin; 1-17, support backing plate; 1-18, alignment pin; 1-19 swash plate, the common positioning section of 1-21; 1-22 swelling section; 1-23 cone-shaped inner hole.
Detailed description of the invention
For making the utility model become apparent, hereby with preferred embodiment, and be described in detail below.
Embodiment
As shown in Figure 2 a, the machined frock of hydraulic motor swash plate of the present utility model, comprise clamp body 1-9, the front side of described clamp body 1-9 is fixed with taper liner plate 1-10, and described taper liner plate 10 is located by lock-screw 1-13 and alignment pin 1-18 and is fixed on clamp body 1-9.The front side of described clamp body 1-9 is also fixed with the device for positioning inner hole of swash plate 1-19, angle positioner and hold down gag, wherein, the device for positioning inner hole of described swash plate 1-19 comprises swelling axle 1-1 and for making the swelling pin 1-2 of the front end swelling of swelling axle 1-1, clamp body 1-9 and taper liner plate 1-10 has through hole, swelling axle 1-1 is located in the through hole of clamp body 1-9 and taper liner plate 1-10, the rear end of swelling axle 1-1 is locked at the rear side of clamp body 1-9, and swelling axle 1-1 is located in the endoporus of swash plate 1-19.The hold down gag of described swash plate 1-19 comprises support bar 1-6 and screw rod 1-5, the rear end of support bar 1-6 and screw rod 1-5 is fixed on the front side of clamp body 1-9 by clamp nut 1-7, the front end of support bar 1-6 is by the Z-shaped pressing plate 3 of locking nut 1-4 connection for compressing swash plate 1-19, and the front end of support bar 1-6 is against Z-shaped pressing plate 3.Described locking nut 1-4 is thin nut.
As shown in Figure 3, described swelling axle 1-1 comprises common positioning section 1-21, and the front end of common positioning section 1-21 is provided with swelling section 1-22, and the middle part of swelling section 1-22 is provided with cone-shaped inner hole 1-23, when swelling pin 1-2 is located in cone-shaped inner hole 1-23, swelling section 1-22 is in swelling state.As shown in Figure 2 a, the rear end of described swelling axle 1-1 is locked at the rear side of clamp body 1-9 by axle locking nut 1-11 and packing ring 1-12.
As shown in Figure 2 b, the angle positioner of described swash plate 1-19 comprises the support backing plate 1-17 be fixed on front side of clamp body 1-9, support backing plate 1-17 and be provided with installing hole, the angle insert-pull pin for angle location swash plate 1-19 and spring 1-15 is provided with in installing hole, angle insert-pull pin is located at the middle part of spring 1-15, the left end connecting handle 1-14 of angle insert-pull pin 1-16, the outside of angle insert-pull pin 1-16 is provided with an annular projection, the right-hand member of spring 1-15 is against this annular projection, and angle insert-pull pin 1-16 is locked by spring 1-15.
During use, swash plate 1-19 is put on taper liner plate 1-10, fit and reach positioning action in the large plane of swash plate 1-19 and taper liner plate 1-10 face, swelling axle 1-1 locates the endoporus of swash plate 1-19, swelling pin 1-2 coordinates with swelling axle 1-1 and locks it, angle insert-pull pin 1-16 carries out angle location, and the both sides of swash plate 1-19 need to compress slightly with Z-type pressing plate 1-3 and thin nut.So just, serve and locate clamping action completely.
This utility model structure improves original old-fashioned structure, on the basis not changing frock big frame, that is under the prerequisite that the part such as clamp body, axle locking nut, packing ring, support bar, screw rod is not changed, apotting spindle is replaced with the sub-assembly of swelling axle and swelling pin, the angle alignment pin of side direction is replaced with the sub-assembly of handle, spring and angle alignment pin, and common pressing plate is modified to the sub-assembly of Z-type pressing plate and thin nut.The replacing of these three groups of sub-assemblies, solves the location of former old-fashioned structure well inaccurate and compress hypodynamic defect, the machined efficiency of swash plate and qualification rate is improved greatly.
Although the utility model discloses as above with preferred embodiment; so itself and be not used to limit the utility model; any those skilled in the art; not departing from spirit and scope of the present utility model; when doing a little amendment and perfect, therefore protection domain of the present utility model is when being as the criterion of defining with claims.
Claims (7)
1. the machined frock of a hydraulic motor swash plate, it is characterized in that, comprise clamp body (1-9), the front side of described clamp body (1-9) is fixed with taper liner plate (1-10), the front side of described clamp body (1-9) is also fixed with the device for positioning inner hole of swash plate (1-19), angle positioner and hold down gag, wherein, the device for positioning inner hole of described swash plate (1-19) comprises swelling axle (1-1) and for making the swelling pin (1-2) of the front end swelling of swelling axle (1-1), clamp body (1-9) and taper liner plate (1-10) have through hole, swelling axle (1-1) is located in the through hole of clamp body (1-9) and taper liner plate (1-10), the rear end of swelling axle (1-1) is locked at the rear side of clamp body (1-9), swelling axle (1-1) is located in the endoporus of swash plate (1-19).
2. the machined frock of hydraulic motor swash plate as claimed in claim 1, it is characterized in that, described swelling axle (1-1) comprises common positioning section (1-21), the front end of common positioning section (1-21) is provided with swelling section (1-22), the middle part of swelling section (1-22) is provided with cone-shaped inner hole (1-23), when swelling pin (1-2) is located in cone-shaped inner hole (1-23), swelling section (1-22) is in swelling state.
3. the machined frock of hydraulic motor swash plate as claimed in claim 1, it is characterized in that, the rear end of described swelling axle (1-1) is locked at the rear side of clamp body (1-9) by axle locking nut (1-11) and packing ring (1-12).
4. the machined frock of hydraulic motor swash plate as claimed in claim 1, it is characterized in that, described taper liner plate (1-10) is located by lock-screw (1-13) and alignment pin (1-18) and is fixed on clamp body (1-9).
5. the machined frock of hydraulic motor swash plate as claimed in claim 1, it is characterized in that, the angle positioner of described swash plate (1-19) comprises the support backing plate (1-17) being fixed on clamp body (1-9) front side, support backing plate (1-17) and be provided with installing hole, the angle insert-pull pin for angle location swash plate (1-19) and spring (1-15) is provided with in installing hole, angle insert-pull pin is located at the middle part of spring (1-15), the left end connecting handle (1-14) of angle insert-pull pin (1-16), the outside of angle insert-pull pin (1-16) is provided with an annular projection, the right-hand member of spring (1-15) is against this annular projection, angle insert-pull pin (1-16) is locked by spring (1-15).
6. the machined frock of hydraulic motor swash plate as claimed in claim 1, it is characterized in that, the hold down gag of described swash plate (1-19) comprises support bar (1-6) and screw rod (1-5), the rear end of support bar (1-6) and screw rod (1-5) is fixed on the front side of clamp body (1-9) by clamp nut (1-7), the front end of support bar (1-6) is by the Z-shaped pressing plate (1-3) of locking nut (1-4) connection for compressing swash plate (1-19), and the front end of support bar (1-6) is against Z-shaped pressing plate (1-3).
7. the machined frock of hydraulic motor swash plate as claimed in claim 6, it is characterized in that, described locking nut (1-4) is thin nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420444035.XU CN204036048U (en) | 2014-08-07 | 2014-08-07 | A kind of machined frock of hydraulic motor swash plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420444035.XU CN204036048U (en) | 2014-08-07 | 2014-08-07 | A kind of machined frock of hydraulic motor swash plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204036048U true CN204036048U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420444035.XU Expired - Fee Related CN204036048U (en) | 2014-08-07 | 2014-08-07 | A kind of machined frock of hydraulic motor swash plate |
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| CN (1) | CN204036048U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907845A (en) * | 2015-06-25 | 2015-09-16 | 重庆德蚨乐机械制造有限公司 | A thrust bearing oil wedge surface machining tool |
| CN106926025A (en) * | 2017-05-01 | 2017-07-07 | 桐乡市百宝电子商务有限公司 | A kind of lever hold-down gear with positioning function |
| CN108907817A (en) * | 2018-09-30 | 2018-11-30 | 杭州力龙液压有限公司 | The fixture and production line of motor swashplate sawing |
| CN113732742A (en) * | 2021-09-29 | 2021-12-03 | 中国航发航空科技股份有限公司 | Angular alignment device and method for eccentric variable-cross-section cylinder |
-
2014
- 2014-08-07 CN CN201420444035.XU patent/CN204036048U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907845A (en) * | 2015-06-25 | 2015-09-16 | 重庆德蚨乐机械制造有限公司 | A thrust bearing oil wedge surface machining tool |
| CN106926025A (en) * | 2017-05-01 | 2017-07-07 | 桐乡市百宝电子商务有限公司 | A kind of lever hold-down gear with positioning function |
| CN108907817A (en) * | 2018-09-30 | 2018-11-30 | 杭州力龙液压有限公司 | The fixture and production line of motor swashplate sawing |
| CN113732742A (en) * | 2021-09-29 | 2021-12-03 | 中国航发航空科技股份有限公司 | Angular alignment device and method for eccentric variable-cross-section cylinder |
| CN113732742B (en) * | 2021-09-29 | 2022-12-09 | 中国航发航空科技股份有限公司 | Angular alignment method for eccentric variable cross-section cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20170807 |
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| CF01 | Termination of patent right due to non-payment of annual fee |