CN210147578U - Heavy cross axle automatic positioning rotary fixture - Google Patents
Heavy cross axle automatic positioning rotary fixture Download PDFInfo
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- CN210147578U CN210147578U CN201921081408.0U CN201921081408U CN210147578U CN 210147578 U CN210147578 U CN 210147578U CN 201921081408 U CN201921081408 U CN 201921081408U CN 210147578 U CN210147578 U CN 210147578U
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- 238000005553 drilling Methods 0.000 claims abstract description 46
- 238000003825 pressing Methods 0.000 claims description 28
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 210000001503 joint Anatomy 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000000641 cold extrusion Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001965 increasing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
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Abstract
The utility model relates to a heavy cross axle automatic positioning rotary fixture, affiliated cross axle anchor clamps technical field, including the boring grab base, be equipped with the rotational positioning frame that cup joints with boring grab base looks bearing formula on the boring grab base, rotational positioning frame both sides all are equipped with the tight spacing of clamp that is the symmetric distribution, press from both sides and be equipped with the hold-down frame on the tight spacing, be equipped with on the hold-down frame and cup joint fixed hold-down cylinder with hold-down frame looks flange formula, hold-down cylinder lower extreme is equipped with the clamp plate that is the integration with hold-down cylinder, be equipped with the cross axle between clamp plate and rotational positioning frame, the cross axle is equipped with the drilling assembly with boring grab base looks slidingtype nested connection in addition both sides limit, press from both sides tightly all to be equipped with. The device has the characteristics of high structural strength, high positioning precision, small coaxiality deviation and high processing efficiency. The stability of the processing quality is improved, and the safety and reliability of operators in the processing process are ensured.
Description
Technical Field
The utility model relates to a cross axle anchor clamps technical field, concretely relates to heavy cross axle automatic positioning rotary fixture.
Background
The cross shaft is a key part in the universal coupling for assembling the automobile transmission shaft, the verticality and the symmetry of four shaft necks of the cross shaft and the planeness of each axis have high requirements, and the processing precision of the cross shaft directly influences the transmission balance and the service life of the universal coupling. In order to ensure the processing quality, especially the processing of the oil through hole, a special cross shaft clamp is required to be manufactured.
Chinese patent CN201410618640.9, the open date is 2015 year 3 month 4 days, disclose a cross axle anchor clamps, including base and clamp plate, be equipped with on the base and supply the vertical axle male constant head tank of cross axle, locating lever and supporting rod are installed to the both sides of constant head tank, the mid point of two locating levers articulates on the base, the one end of two locating levers can be stretched into in the constant head tank and offset with the vertical axle of cross axle, the other end offsets with the horizontal axle of cross axle respectively, it has another vertical axle male fixed slot that supplies the cross axle to open in the one side that the clamp plate is close to the base, open at the both ends of clamp plate has the through-hole that supplies the supporting rod to pass. The structure has the defects of poor clamping strength, low positioning precision and low processing efficiency.
Disclosure of Invention
The utility model discloses mainly solve and to have among the prior art to press from both sides tight intensity poor, positioning accuracy is low and machining efficiency is low not enough, provide a cross axle automatic positioning rotary fixture, it has structural strength height, positioning accuracy is high, the axiality deviation is little and machining efficiency is high characteristics. The stability of the processing quality is improved, and the safety and reliability of operators in the processing process are ensured.
The above technical problem of the present invention can be solved by the following technical solutions:
the utility model provides a heavy cross axle automatic positioning rotary fixture, includes the boring grab base, the boring grab base on be equipped with the rotational positioning frame that cup joints with boring grab base looks bearing type, rotational positioning frame both sides all be equipped with the tight spacing of clamp that is symmetrical formula distribution, the tight spacing of clamp on be equipped with the hold-down frame, the hold-down frame on be equipped with and cup joint fixed hold-down cylinder with hold-down frame looks flange formula, hold-down cylinder lower extreme be equipped with the clamp plate that is the integration with hold-down cylinder, clamp plate and rotational positioning frame between be equipped with the cross axle, the other both sides limit of cross axle be equipped with the drilling subassembly of boring grab base looks slidingtype nested connection, the tight spacing of clamp and cross axle between all be equipped with thimble screw rod.
Preferably, the rotary positioning frame comprises a lower clamping support, a movable positioning sleeve is arranged in the lower clamping support and is in clamping fit with the cross shaft, a limiting pin shaft in penetrating and sleeving connection with the lower clamping support is arranged on the movable positioning sleeve, and the limiting pin shaft is in penetrating and sleeving connection with the movable positioning sleeve in a waist hole mode.
Preferably, a buffer spring is arranged between the movable positioning sleeve and the lower clamp bracket.
Preferably, the lower clamp bracket is provided with angle motor mounting spline holes extending to the bottom surface of the lower clamp bracket, and the upper end surface of the lower clamp bracket is provided with anti-skid pressing teeth which are arranged in a rectangular shape.
Preferably, the boring grab base include the base plate, the base plate both ends be equipped with the draw-in groove that slides of inlaying mutually with drilling subassembly, the draw-in groove that slides in all be equipped with the drilling displacement guide rail that extends to the base plate outside, drilling displacement guide rail and the movable direction inlay card of drilling subassembly looks be connected.
Preferably, the drilling assembly comprises a drill rod support connected with the drilling displacement guide rail in a movable guide clamping and embedding manner, a drill rod bearing sleeve fixedly sleeved with the drill rod support in a bearing manner is arranged on the drill rod support, and an oil hole drill rod fixedly sleeved with the drill rod bearing sleeve in a screw manner is arranged between the drill rod bearing sleeve and the cross shaft.
Preferably, the thimble screw is provided with a handwheel plate which is fixedly connected with the clamping limit frame through a bearing type flange, and a locking nut which is sleeved with the thimble screw is arranged between the handwheel plate and the clamping limit frame.
The utility model discloses can reach following effect:
the utility model provides a heavy cross axle automatic positioning rotary fixture compares with prior art, has that structural strength is high, positioning accuracy is high, the axiality deviation is little and machining efficiency is high characteristics. The stability of the processing quality is improved, and the safety and reliability of operators in the processing process are ensured.
Drawings
Fig. 1 is a front view structure diagram of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a sectional view of the rotary positioning frame according to the present invention.
Fig. 4 is a schematic perspective view of a lower clamp bracket according to the present invention.
Fig. 5 is a schematic perspective view of the movable positioning sleeve of the present invention.
In the figure: the drilling machine comprises a locking nut 1, a clamping limiting frame 2, an ejector pin screw rod 3, a pressing frame 4, a pressing oil cylinder 5, a pressing plate 6, a drilling assembly 7, a cross shaft 8, a rotary positioning frame 9, a hand wheel disc 10, a drilling clamp base 11, a drill rod bearing sleeve 12, a drill rod support 13, an oil hole drill rod 14, a base plate 15, a sliding clamping groove 16, a drilling displacement guide rail 17, a limiting pin shaft 18, a movable positioning sleeve 19, a lower clamping support 20, a buffer spring 21, an angle motor mounting spline hole 22 and anti-skid pressing teeth 23.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in fig. 1-5, a heavy cross shaft automatic positioning rotary fixture comprises a drilling fixture base 11, a rotary positioning frame 9 in bearing type socket joint with the drilling fixture base 11 is arranged on the drilling fixture base 11, clamping limiting frames 2 which are symmetrically distributed are arranged on two sides of the rotary positioning frame 9, a pressing frame 4 is arranged on the clamping limiting frame 2, a pressing cylinder 5 in flange type socket joint with the pressing frame 4 is arranged on the pressing frame 4, a pressing plate 6 integrated with the pressing cylinder 5 is arranged at the lower end of the pressing cylinder 5, a cross shaft 8 is arranged between the pressing plate 6 and the rotary positioning frame 9, drilling assemblies 7 in sliding type nested connection with the drilling fixture base 11 are arranged on two sides of the cross shaft 8, and ejector pins and screws 3 are arranged between the clamping limiting frames 2 and the cross shaft 8. The thimble screw 3 is provided with a hand wheel disc 10 which is fixedly connected with the clamping limit frame 2 through a bearing type flange, and a locking nut 1 which is sleeved with the thimble screw 3 is arranged between the hand wheel disc 10 and the clamping limit frame 2.
The rotary positioning frame 9 comprises a lower clamp bracket 20, an angle motor mounting spline hole 22 extending to the bottom surface of the lower clamp bracket 20 is arranged on the lower clamp bracket 20, and anti-skid pressing teeth 23 arranged in a rectangular shape are arranged on the upper end surface of the lower clamp bracket 20. A movable positioning sleeve 19 which is in clamping and sleeving connection with the cross shaft 8 is arranged in the lower clamping support 20, and a buffer spring 21 is arranged between the movable positioning sleeve 19 and the lower clamping support 20. The movable positioning sleeve 19 is provided with a limit pin 18 which is in through-type sleeve joint with the lower clamp bracket 20, and the limit pin 18 is in through-type sleeve joint with the movable positioning sleeve 19 in a kidney-shaped hole mode.
The semi-finished cross shaft 8 formed by cold extrusion is placed on the rotary positioning frame 9, the cross shaft 8 to be processed is placed on the movable positioning sleeve 19 which is fixedly sleeved with the lower clamping support 20 through the limiting pin shaft 18, and the upper end of the movable positioning sleeve 19 is provided with anti-skidding pressing teeth 23 which are arranged in a rectangular shape, so that the friction increasing effect is achieved when the cross shaft 8 is pressed tightly. The movable positioning sleeve 19 and the lower clamp bracket 20 are pressed and buffered through a buffer spring 21. The thimble screws 3 on the clamping limit frames 2 at two ends are driven by the rotary hand wheel disc 10 to be positioned and fixed with a thimble, and the locking nut 1 is used for locking after the fixation is finished. After positioning and fixing are completed, the pressing oil cylinder 5 on the pressing frame 4 drives the pressing plate 6, so that the pressing plate 6 and the rotary positioning frame 9 tightly press and fix the cross shaft 8, and then a pair of symmetrical drilling assemblies 7 and the drilling clamp base 11 are in sliding type scarf joint displacement to complete drilling work of oil holes in the cross shaft 8. An oil hole drill rod 14 on a drill rod support 13 drills the cross shaft 8, and a drilling motor is externally connected with the drill rod bearing sleeve 12 to realize screwing and drilling. The drill rod support 13 is displaced back and forth on the drill displacement guide 17 and extends into the slide detent groove 16 on the base plate 15. The drilling assembly 7 returns to an initial state, meanwhile, the ejector pin screw 3 is loosened, the compression oil cylinder 5 retracts and the lifting pressing plate 6 is loosened, then the cross shaft 8 is rotated by 180 degrees, the lower end of the movable positioning sleeve 19 is provided with an angle motor mounting spline hole 22 which is in limited connection and fixation with an angle motor spline type snap spring, and therefore 180-degree rotation of the cross shaft 8 is achieved, and the machining process of the other oil hole is completed.
In conclusion, the heavy cross shaft automatic positioning rotary fixture has the characteristics of high structural strength, high positioning precision, small coaxiality deviation and high machining efficiency. The stability of the processing quality is improved, and the safety and reliability of operators in the processing process are ensured.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (7)
1. The utility model provides a heavy cross axle automatic positioning rotary fixture which characterized in that: comprises a drilling clamp base (11), a rotary positioning frame (9) which is in bearing type socket joint with the drilling clamp base (11) is arranged on the drilling clamp base (11), the two sides of the rotary positioning frame (9) are both provided with clamping limit frames (2) which are symmetrically distributed, a pressing frame (4) is arranged on the clamping limiting frame (2), a pressing oil cylinder (5) which is in flange type sleeve joint and fixed with the pressing frame (4) is arranged on the pressing frame (4), the lower end of the pressing oil cylinder (5) is provided with a pressing plate (6) integrated with the pressing oil cylinder (5), a cross shaft (8) is arranged between the pressure plate (6) and the rotary positioning frame (9), the other two sides of the cross shaft (8) are provided with drilling components (7) which are in sliding nested connection with the drilling clamp base (11), and ejector pins and screw rods (3) are arranged between the clamping limiting frame (2) and the cross shaft (8).
2. The heavy cross automatic positioning rotary fixture of claim 1, wherein: rotational positioning frame (9) including lower clamp support (20), lower clamp support (20) in be equipped with the activity position sleeve (19) that cup joints with cross axle (8) looks inlay card formula, activity position sleeve (19) on be equipped with and run through the formula with lower clamp support (20) mutually and cup joint limit pin axle (18), limit pin axle (18) and activity position sleeve (19) mutually waist hole formula run through and cup joint.
3. The heavy cross automatic positioning rotary fixture of claim 2, wherein: a buffer spring (21) is arranged between the movable positioning sleeve (19) and the lower clamp bracket (20).
4. The heavy cross automatic positioning rotary fixture of claim 2, wherein: the lower clamp support (20) on be equipped with angle motor installation splined hole (22) that extend to lower clamp support (20) bottom surface, lower clamp support (20) up end be equipped with and be the anti-skidding tooth of pressing (23) that the rectangle was arranged.
5. The heavy cross automatic positioning rotary fixture of claim 1, wherein: drilling jig base (11) include base plate (15), base plate (15) both ends be equipped with the draw-in groove (16) that slide of scarf joint mutually with drilling subassembly (7), slide draw-in groove (16) in all be equipped with and extend to drilling displacement guide rail (17) outside base plate (15), drilling displacement guide rail (17) be connected with drilling subassembly (7) movable direction inlay card mutually.
6. The heavy cross automatic positioning rotary fixture of claim 5, wherein: drilling subassembly (7) include drill rod support (13) of being connected with drilling displacement guide rail (17) movable direction inlay card mutually, drill rod support (13) on be equipped with and cup joint fixed drilling rod bearing housing (12) with drill rod support (13) looks bearing type, drilling rod bearing housing (12) and cross axle (8) between be equipped with and cup joint fixed oilhole drilling rod (14) with drilling rod bearing housing (12) looks screw type.
7. The heavy cross automatic positioning rotary fixture of claim 1, wherein: the thimble screw (3) on be equipped with press from both sides tight spacing (2) looks bearing type flange joint fixed hand rim plate (10), hand rim plate (10) and press from both sides tight spacing (2) between be equipped with lock nut (1) that cup joints mutually with thimble screw (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081408.0U CN210147578U (en) | 2019-07-11 | 2019-07-11 | Heavy cross axle automatic positioning rotary fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081408.0U CN210147578U (en) | 2019-07-11 | 2019-07-11 | Heavy cross axle automatic positioning rotary fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210147578U true CN210147578U (en) | 2020-03-17 |
Family
ID=69765788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921081408.0U Active CN210147578U (en) | 2019-07-11 | 2019-07-11 | Heavy cross axle automatic positioning rotary fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210147578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624489A (en) * | 2021-07-28 | 2021-11-09 | 东风汽车底盘系统有限公司 | Cross shaft static torsion strength detection clamp and detection method |
-
2019
- 2019-07-11 CN CN201921081408.0U patent/CN210147578U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624489A (en) * | 2021-07-28 | 2021-11-09 | 东风汽车底盘系统有限公司 | Cross shaft static torsion strength detection clamp and detection method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 311243 Sanying Industrial Zone, Guali Town, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Qianfu Transmission Co.,Ltd. Country or region after: China Address before: 311243 Sanying Industrial Zone, Guali Town, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: Zhejiang Qianfu universal joint Co.,Ltd. Country or region before: China |