CN202763510U - Differential spider machining fixture - Google Patents
Differential spider machining fixture Download PDFInfo
- Publication number
- CN202763510U CN202763510U CN 201220453037 CN201220453037U CN202763510U CN 202763510 U CN202763510 U CN 202763510U CN 201220453037 CN201220453037 CN 201220453037 CN 201220453037 U CN201220453037 U CN 201220453037U CN 202763510 U CN202763510 U CN 202763510U
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- differential spider
- core axle
- locating piece
- hole
- positioning
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- Withdrawn - After Issue
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Abstract
The utility model discloses a differential spider machining fixture which comprises a base, wherein a positioning block is arranged on the base, a central shaft which is fixedly connected with the base is arranged at the lower end of the positioning block, a core shaft hole is arranged in the central position of the upper end of the positioning block, and the lower end of the positioning core shaft can be matched in the core shaft hole in a sliding mode. A spring seat hole and a compressed spring are arranged in the center of the lower end of the positioning core shaft, the other end of the compressed spring abuts against the bottom of the core shaft hole, a sinking groove is arranged on the outer side surface of the lower end of the positioning core shaft, a limit screw is fixed on the outs side surface of the positioning block, the head portion of the limit screw is matched with the sinking groove, and the upper end of the positioning core shaft is of a cylindrical structure. A sinking hole is arranged in the upper end face, close to the peripheral position, of the positioning block, the sinking hole is matched with a clamping pin, and a circumference clamping pin is locked by a fastening screw which is arranged on the side wall of the positioning block, and a clamping device of a differential spider is correspondingly arranged above the positioning block. A machining space of the differential spider is not restricted, clamping once can complete machining of four shaft necks, and working efficiency is improved. The number of change of a standard is reduced, and positioning precision is improved.
Description
Technical field
The utility model belongs to the clamp technology field, is specifically related to a kind of anchor clamps for the processing differential spider.
Background technology
The machining accuracy of differential spider is directly connected to transmission accuracy and the service life of star coupling, the Design and manufacture level of its machining accuracy and anchor clamps is closely related, prior art need be passed through three process mostly, adopt first the V-type locating piece with the outer neck of four axle journal blanks location end face milling drill centers, with top centre bore and end face, the spike pulling anti-skidding finish turning axle journal on numerically controlled lathe of withstanding, this needs manual auxiliary conversion four direction again; Because position degree and perpendicularity deviation are all larger when end face milling and drill centers, need to increase correcting process to be calibrated to the requirement of drawing regulation.
For example Chinese patent application number is 201110067933.9, name is called the application for a patent for invention of " Universal joint pin machining fixture ", a kind of Universal joint pin machining fixture is disclosed, it comprises support body, hold-down devices, center positioning device, upper rotary table plate, axle journal fixture, integrated locating device and stationary platen, hold-down devices is connected to the support body top, stationary platen is connected to the support body bottom, center positioning device is vertically connected on the central authorities of stationary platen, upper rotary table plate is enclosed within on the center positioning device, with the embedding of stationary platen phase, the axle journal fixture is arranged on the rotary table plate.This Universal joint pin machining fixture vertically arranges a center positioning device on stationary platen, rotary table plate is set on the center positioning device, upper rotary table plate and the embedding of stationary platen phase, and then at upper rotary table plate the axle journal fixture is set; Its axle journal fixture is used V font cushion block, therefore just can only process the axle journal end face behind the clamping, and the neck external diameter of finish turning axle journal simultaneously, four axle journals need increase No. four processing that clamping just can be finished end face and axle journal, not only there is the low deficiency of the loaded down with trivial details work efficiency of operation, also exists because conversion positioning datum and repeat to clamp so that the uneven defective that produces error of clamping force.
Summary of the invention
The utility model technical issues that need to address are, the Universal joint pin machining fixture that overcomes prior art can't adapt to the defective of differential spider blank axle journal neck external diameter processing, and the finish turning that a kind of clamped one time can finish four axle journals simultaneously, the differential spider clamping device of splitting the processing of end face, drill centers, chamfering, circular arc are provided.
The purpose of this utility model is achieved by following technical proposals: a kind of differential spider clamp for machining, comprise base, be provided with locating piece at base, the lower end of locating piece is provided with the central shaft that is fixedly connected with base, the centre, upper end of locating piece is provided with core axle hole, the lower end of positioning core axle fits in the core axle hole slidably, the centre of positioning core axle lower end is provided with spring base hole, is furnished with Compress Spring in the spring base hole, the other end of Compress Spring withstands on the core axle hole bottom, the lateral surface of positioning core axle lower end is provided with deep gouge, the locating piece lateral surface is fixed with stop screw, the head of stop screw cooperates with deep gouge, and the upper end of positioning core axle is the cylindrical structural adaptive with the differential spider centre bore; The upper surface of locating piece is provided with counterbore near the periphery position, is furnished with the circumferential holding pin of differential spider in the counterbore, and circumferentially holding pin is by being located at the trip bolt locking of locating piece sidewall; The corresponding hold down gag that is provided with differential spider in locating piece top.
Locating piece lower end central shaft firmly is connected with lathe by base, positioning core axle and locating piece interference fits also can relatively move up and down, by Compress Spring so that positioning core axle make progress all the time, control the traveled distance of positioning core axle by being fixed on stop screw on the locating piece, simultaneously the two is connected into one effectively; Trip bolt is fixed on holding pin on the locating piece; The centre bore of differential spider is enclosed within the upper end of positioning core axle, the periphery position lower surface of centre bore is pressed on the end face of holding pin, then hold down gag is pressed in upper surface and the locking at centre bore periphery position, can carries out finish turning to an axle journal of cross axle with that, split end face, the processing of drill centers, chamfering and circular arc.
As preferably, described central shaft is step structure, and its hypomere is cylinder, and epimere is the cydariform cylinder, and the cylinder that the cydariform cylinder is clipped dual-side by symmetry consists of.
As preferably, the cylindrical structural periphery of positioning core axle upper end is provided with the importing cone angle.
As preferably, hold down gag comprises the portal frame that is fixedly connected with base, and across above positioning core axle, the middle part of crossbeam is provided with top-pressure mechanism to the crossbeam of portal frame every sky, and the lower end of top-pressure mechanism connects the top pressure head, and the top pressure head is corresponding with positioning core axle.
As preferably, top-pressure mechanism is made of the oil cylinder of the crossbeam middle part that is connected to portal frame, and the piston rod of oil cylinder is connected with the top pressure head.
As preferably, be provided with hydraulic control one-way valve locking loop in the control loop of oil cylinder, described hydraulic control one-way valve locking loop comprises the three position four-way electromagnetic valve of being located in the loop, the hydraulic control one-way valve that is connected in series with the oil inlet pipe of oil cylinder, and wherein the meta connected mode of three position four-way electromagnetic valve is that import and the control port of hydraulic control one-way valve is communicated with fuel tank.
As preferably, top-pressure mechanism comprises the nut that is connected to portal frame crossbeam middle part, is furnished with screw rod in the nut, and screw head is connected with the top pressure head.
As preferably, hold down gag is provided with top pressure pad piece, and the top of top pressure pad piece is disc-shaped structure, and the bottom of top pressure pad piece is cylindric centering shaft part, and the centre bore of centering shaft part and differential spider is adaptive, and top pressure pad piece liner is below the pressure head of top.
As preferably, described counterbore bottom is provided with the bottom outlet that connects with the locating piece bottom, and bottom diameter is less than counter bore hole diameters; The position corresponding with this bottom outlet is provided with diameter greater than the through hole of this bottom diameter on the base.
The beneficial effects of the utility model are:
1, clamps for differential spider centre bore periphery, can not cause the axle journal processing space of differential spider to be restricted;
2, clamped one time just can be finished whole manufacturing procedures of four axle journals;
3, simplify technique, improve work efficiency;
4, significantly reduce the transformation of criterion number of times, improve positioning accuracy.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the locating piece schematic diagram of a kind of embodiment;
Fig. 3 is the E-E generalized section of Fig. 2;
Fig. 4 is the structural representation that oil cylinder and top pressure head are set at portal frame;
Fig. 5 is hydraulic control one-way valve locking oil cylinder principle schematic.
Among the figure, base 1; Locating piece 2; Central shaft 21; Cylinder 211; Cydariform cylinder 212; Screw 213; Core axle hole 22; Counterbore 23; Trip bolt 24; Positioning core axle 3; Spring base hole 31; Deep gouge 32; Compress Spring 4; Stop screw 5; Holding pin 6; Hold down gag 7; Portal frame 71; Crossbeam 711; Oil cylinder 712; Top pressure head 713; Three position four-way electromagnetic valve 714; Hydraulic control one-way valve 715; Fuel tank 716; Top pressure pad piece 8; Centering shaft part 81; Differential spider 9.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiments the utility model is further described.
Embodiment 1: such as Fig. 1, shown in Figure 2, a kind of differential spider clamp for machining, comprise base 1, be provided with locating piece 2 at base, the lower end of locating piece 2 is provided with the central shaft 21 that is fixedly connected with base 1, the centre, upper end of locating piece 2 is provided with core axle hole 22, the lower end of positioning core axle 3 fits in the core axle hole 22 slidably, the centre of positioning core axle 3 lower ends is provided with spring base hole 31, is furnished with Compress Spring 4 in the spring base hole 31, the other end of Compress Spring 4 withstands on the bottom of core axle hole 22, the lateral surface of positioning core axle 3 lower ends is provided with deep gouge 32, and deep gouge 32 is annular groove, and locating piece 2 lateral surfaces are fixed with stop screw 5, the head of stop screw 5 cooperates with deep gouge 32, and the upper end of positioning core axle 3 is the cylindrical structural adaptive with differential spider 9 centre bores; The upper surface of locating piece 2 is provided with counterbore 23 near the periphery position, is furnished with differential spider 9 circumferential holding pins 6 in the counterbore 23, trip bolt 24 lockings of holding pin 6 by being located at locating piece 2 sidewalls; Locating piece 2 top correspondences are provided with the hold down gag 7 of differential spider.
Locating piece 2 lower end central shafts firmly are connected with lathe by base 1, positioning core axle 3 also can relatively move up and down with locating piece 2 interference fits, by Compress Spring 4 so that positioning core axle 3 make progress all the time, control the traveled distance of positioning core axle 3 by being fixed on stop screw 5 on the locating piece 2, simultaneously the two is connected into one effectively.Trip bolt 24 is fixed on holding pin 6 on the locating piece 2; The centre bore of differential spider 9 is enclosed within the upper end of positioning core axle 3, the periphery position lower surface of centre bore is pressed on the end face of holding pin 6, then hold down gag 7 is pressed in upper surface and the locking at centre bore periphery position, can carries out finish turning to an axle journal of differential spider with that, split end face, the processing of drill centers, chamfering and circular arc.
The cylindrical structural periphery of positioning core axle 3 upper ends is provided with the importing cone angle, is enclosed within smoothly the upper end of positioning core axle with the centre bore that is convenient to differential spider.
Hold down gag 7 comprises the portal frame 71 that is fixedly connected with base 1, the crossbeam 711 of portal frame 71 every sky across above positioning core axle 3, the middle part of crossbeam 711 is provided with top-pressure mechanism, top-pressure mechanism is made of the oil cylinder 712 of crossbeam 711 middle parts that are connected to portal frame 71, the piston rod of oil cylinder 712 is connected with top pressure head 713, and top pressure head 713 is corresponding with positioning core axle 3; Be provided with hydraulic control one-way valve locking loop in the control loop of oil cylinder 712, hydraulic control one-way valve locking loop comprises the three position four-way electromagnetic valve 714 of being located in the loop, the hydraulic control one-way valve 715 that is connected in series with the oil inlet pipe of oil cylinder 712, wherein the meta connected mode of three position four-way electromagnetic valve 714 is that import and the control port of hydraulic control one-way valve 715 is communicated with fuel tank 716, when three position four-way electromagnetic valve 714 is in meta, hydraulic control one-way valve 715 is closed rapidly, oil cylinder 712 epicoeles are by hydraulic control one-way valve 715 lockings, piston can not move upward, piston rod with top pressure head 713 down dieback to clamp differential spider 9, such as Fig. 4, shown in Figure 5.
When three position four-way electromagnetic valve 714 is controlled when being in left position, hydraulic control one-way valve 715 is open-minded, oil cylinder 712 epicoele oil-feeds, and simultaneously cavity of resorption oil return, piston promotes top pressure head 713 downwards and down clamps differential spider 9; When three position four-way electromagnetic valve 714 is in right when position, hydraulic control one-way valve 715 is subjected to hydraulic control and open-minded, oil cylinder 712 cavity of resorption oil-feeds, and epicoele is through hydraulic control one-way valve 715 oil returns simultaneously, and piston upwards draws top pressure head 713 and up moves and unclamp differential spider 9.
Hold down gag is provided with top pressure pad piece 8, and the top of top pressure pad piece 8 is disc-shaped structure, and the bottom of top pressure pad piece 8 is cylindric centering shaft part 81, and centering shaft part 81 is adaptive with the centre bore of differential spider 9, and top pressure pad piece 8 liners are below top pressure head 713; The centre bore height that the length of deep gouge 32 is less than or equal to differential spider 9 deducts the centering shaft part 81 height sums of stop screw 5 head diameters and top pressure pad piece 8.
Embodiment 2: top-pressure mechanism comprises the nut that is connected to portal frame crossbeam middle part, is furnished with screw rod in the nut, and screw head is connected with the top pressure head, and nut and screw flight are trapezoidal or zigzag, and all the other structures are with embodiment 1.
The utility model can be as fixture application in various cross axle processing, have whole manufacturing procedures that clamped one time just can be finished four axle journals, simplify technique, improve work efficiency, reduce the transformation of criterion number of times, improve the advantage of positioning accuracy, if those skilled in the art does simple the modification or replacement to the foregoing invention content, such change can not think to break away from scope of the present utility model, and all will be included within the scope of claim of the present utility model the apparent modification of those skilled in the art like this.
Claims (9)
1. differential spider clamp for machining, comprise base, it is characterized in that, be provided with locating piece at base, the lower end of locating piece is provided with the central shaft that is fixedly connected with base, the centre, upper end of locating piece is provided with core axle hole, the lower end of positioning core axle fits in the core axle hole slidably, the centre of positioning core axle lower end is provided with spring base hole, is furnished with Compress Spring in the spring base hole, and the other end of Compress Spring withstands on the core axle hole bottom, the lateral surface of positioning core axle lower end is provided with deep gouge, the locating piece lateral surface is fixed with stop screw, and the head of stop screw cooperates with deep gouge, and the upper end of positioning core axle is the cylindrical structural adaptive with the differential spider centre bore; The upper surface of locating piece is provided with counterbore near the periphery position, is furnished with the circumferential holding pin of differential spider in the counterbore, and circumferentially holding pin is by being located at the trip bolt locking of locating piece sidewall; The corresponding hold down gag that is provided with differential spider in locating piece top.
2. differential spider clamp for machining according to claim 1 is characterized in that, described central shaft is step structure, and its hypomere is cylinder, and epimere is the cydariform cylinder, and the cylinder that the cydariform cylinder is clipped dual-side by symmetry consists of.
3. differential spider clamp for machining according to claim 2 is characterized in that, the cylindrical structural periphery of positioning core axle upper end is provided with the importing cone angle.
4. differential spider clamp for machining according to claim 3, it is characterized in that, hold down gag comprises the portal frame that is fixedly connected with base, the crossbeam of portal frame every sky across above positioning core axle, the middle part of crossbeam is provided with top-pressure mechanism, the lower end of top-pressure mechanism connects the top pressure head, and the top pressure head is corresponding with positioning core axle.
5. differential spider clamp for machining according to claim 4 is characterized in that, top-pressure mechanism is made of the oil cylinder of the crossbeam middle part that is connected to portal frame, and the piston rod of oil cylinder is connected with the top pressure head.
6. differential spider clamp for machining according to claim 5, it is characterized in that, be provided with hydraulic control one-way valve locking loop in the control loop of oil cylinder, described hydraulic control one-way valve locking loop comprises the three position four-way electromagnetic valve of being located in the loop, the hydraulic control one-way valve that is connected in series with the oil inlet pipe of oil cylinder, and wherein the meta connected mode of three position four-way electromagnetic valve is that import and the control port of hydraulic control one-way valve is communicated with fuel tank.
7. differential spider clamp for machining according to claim 4 is characterized in that, top-pressure mechanism comprises the nut that is connected to portal frame crossbeam middle part, is furnished with screw rod in the nut, and screw head is connected with the top pressure head.
8. according to claim 5 or 6 or 7 described differential spider clamp for machining, it is characterized in that, hold down gag is provided with top pressure pad piece, the top of top pressure pad piece is disc-shaped structure, the bottom of top pressure pad piece is cylindric centering shaft part, the centre bore of centering shaft part and differential spider is adaptive, and top pressure pad piece liner is below the pressure head of top.
9. differential spider clamp for machining according to claim 8 is characterized in that, described counterbore bottom is provided with the bottom outlet that connects with the locating piece bottom, and bottom diameter is less than counter bore hole diameters; The position corresponding with this bottom outlet is provided with diameter greater than the through hole of this bottom diameter on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220453037 CN202763510U (en) | 2012-09-07 | 2012-09-07 | Differential spider machining fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220453037 CN202763510U (en) | 2012-09-07 | 2012-09-07 | Differential spider machining fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202763510U true CN202763510U (en) | 2013-03-06 |
Family
ID=47770109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220453037 Withdrawn - After Issue CN202763510U (en) | 2012-09-07 | 2012-09-07 | Differential spider machining fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202763510U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223506A (en) * | 2013-04-08 | 2013-07-31 | 苏州市亿特隆电器有限公司 | Clamp for processing thin-walled steel tubes |
| CN103659308A (en) * | 2012-09-07 | 2014-03-26 | 万向钱潮股份有限公司 | Processing clamp for differential spider |
| CN104875036A (en) * | 2015-06-08 | 2015-09-02 | 辽阳泰和机械设备制造有限公司 | Cross axle machining tool |
| CN105537640A (en) * | 2015-12-25 | 2016-05-04 | 重庆电子工程职业学院 | Crankshaft five-station fine boring machine tool |
| CN107717580A (en) * | 2017-11-09 | 2018-02-23 | 王海艳 | A kind of fixture for being used to process differential spider |
| CN108890355A (en) * | 2018-07-16 | 2018-11-27 | 芜湖辉林奥远自动化科技有限公司 | A kind of cross axle stationary fixture |
| CN108942122A (en) * | 2018-09-28 | 2018-12-07 | 萍乡焱鑫支承环有限公司 | One kind is exempted to correct cross axle processing method and center uprighting processing unit (plant) |
| CN109202481A (en) * | 2018-10-19 | 2019-01-15 | 广东工业大学 | A kind of fixture of highly-efficient processing dovetail groove |
| CN109759857A (en) * | 2017-11-09 | 2019-05-17 | 王海艳 | Integral steering section forging technology with knuckle arm |
| CN109759861A (en) * | 2017-11-09 | 2019-05-17 | 王海艳 | A kind of flange forging technique |
| CN112846853A (en) * | 2021-01-08 | 2021-05-28 | 万向钱潮股份有限公司 | Universal cross shaft V-shaped supporting and positioning tool |
-
2012
- 2012-09-07 CN CN 201220453037 patent/CN202763510U/en not_active Withdrawn - After Issue
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103659308A (en) * | 2012-09-07 | 2014-03-26 | 万向钱潮股份有限公司 | Processing clamp for differential spider |
| CN103223506A (en) * | 2013-04-08 | 2013-07-31 | 苏州市亿特隆电器有限公司 | Clamp for processing thin-walled steel tubes |
| CN104875036A (en) * | 2015-06-08 | 2015-09-02 | 辽阳泰和机械设备制造有限公司 | Cross axle machining tool |
| CN105537640A (en) * | 2015-12-25 | 2016-05-04 | 重庆电子工程职业学院 | Crankshaft five-station fine boring machine tool |
| CN105537640B (en) * | 2015-12-25 | 2018-02-16 | 重庆电子工程职业学院 | The station Boring Machine Tool of bent axle five |
| CN109759857A (en) * | 2017-11-09 | 2019-05-17 | 王海艳 | Integral steering section forging technology with knuckle arm |
| CN107717580A (en) * | 2017-11-09 | 2018-02-23 | 王海艳 | A kind of fixture for being used to process differential spider |
| CN109759861A (en) * | 2017-11-09 | 2019-05-17 | 王海艳 | A kind of flange forging technique |
| CN108890355A (en) * | 2018-07-16 | 2018-11-27 | 芜湖辉林奥远自动化科技有限公司 | A kind of cross axle stationary fixture |
| CN108890355B (en) * | 2018-07-16 | 2020-09-08 | 诸暨市泓瑞机械配件厂 | Cross axle fixing clamp |
| CN108942122A (en) * | 2018-09-28 | 2018-12-07 | 萍乡焱鑫支承环有限公司 | One kind is exempted to correct cross axle processing method and center uprighting processing unit (plant) |
| CN109202481A (en) * | 2018-10-19 | 2019-01-15 | 广东工业大学 | A kind of fixture of highly-efficient processing dovetail groove |
| CN109202481B (en) * | 2018-10-19 | 2024-05-24 | 广东工业大学 | Clamp for efficiently machining dovetail groove |
| CN112846853A (en) * | 2021-01-08 | 2021-05-28 | 万向钱潮股份有限公司 | Universal cross shaft V-shaped supporting and positioning tool |
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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: 20130306 Effective date of abandoning: 20160413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |