CN205021256U - A positioning fixture for processing of bent axle balancing hole - Google Patents
A positioning fixture for processing of bent axle balancing hole Download PDFInfo
- Publication number
- CN205021256U CN205021256U CN201520794481.8U CN201520794481U CN205021256U CN 205021256 U CN205021256 U CN 205021256U CN 201520794481 U CN201520794481 U CN 201520794481U CN 205021256 U CN205021256 U CN 205021256U
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- Prior art keywords
- gap slot
- gripper shoe
- positioning fixture
- bent axle
- guide post
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Abstract
The utility model provides a positioning fixture for processing of bent axle balancing hole belongs to mechanical technical field. It has solved the current not good problem of hydraulic pressure fixture effect. This a positioning fixture for processing of bent axle balancing hole includes the base, vertical one and two backup pad no. 2 of backup pad that is fixed with on the base, two backup pads no. 2 lie in backup pad both sides, run through jagged groove no. 1 and breach groove no. 2 in backup pad no. 1 and the backup pad no. 2 respectively, breach groove no. 1 is higher than breach groove no. 2, breach groove no. 1 is including being two vertical planar inside walls one, inside wall no. 1 passes through the inclined plane transition with a breach groove diapire, breach groove no. 2 is including being two vertical planar inside walls two, inside wall no. 2 passes through the inclined plane transition with two diapires in the breach groove, be equipped with the just right extruded article of diapire with breach groove no. 1 in the backup pad no. 1, this positioning fixture is still including driving the driving piece that the extruded article is close to or keeps away from breach groove no. 1. This a positioning fixture for processing of bent axle balancing hole have can the stable position fixing bent axle the advantage.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of positioning fixture, particularly a kind of positioning fixture for crankshaft counterbalance hole machined.
Background technology
It is to make bent axle reach dynamic balancing in operation process that bent axle is processed balance pipe.
The existing device for processing flat cross-drilled hole is generally made up of bench drill and the fixture for locating bent axle.Wherein, fixture a kind of hydraulically operated fixture [application number: 201510117823.7 boring crank axle end face hole for horizontal Machining centers disclosed in Chinese patent storehouse; Application publication number: CN104690578A], comprise clamp system, connecting rod positioning mechanism, described clamp system comprises base, two V-arrangement back-up blocks, pressing plate, fastening nut, studs, one of them V-arrangement back-up block is fixed on base leading portion, another V-arrangement back-up block is positioned at base rear end, described stud is threaded connection and is arranged on respectively on two V-arrangement back-up blocks, and it is provided with pressing plate, and by fastening nut clamping spindle neck; Described connecting rod positioning mechanism comprises two locating pieces, slide plate, solenoid directional control valve, overflow valve, hydraulic pump, oil return box, described locating piece is fixedly mounted on slide plate, locating piece by hydraulic-driven can on slide plate transverse shifting, described slide plate is arranged on base and also can adjusts according to the position in connecting rod footpath, described solenoid directional control valve, overflow valve, hydraulic pump, oil return box, forming hydraulic circuit provides power for removable location-plate.
When above-mentioned hydraulically operated fixture uses, be first placed in the axle portion of bent axle in the V-shaped groove be located on V-arrangement back-up block, then hydraulic mechanism drives locating piece and axle portion to offset to be located by bent axle.But this hydraulically operated fixture exists a problem: two V-arrangement back-up blocks are apart from each other, cause in the process of processing balance pipe, can there is certain rocking in bent axle, affect the machining accuracy of balance pipe.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, propose a kind of can the positioning fixture for crankshaft counterbalance hole machined of stable position bent axle.
The purpose of this utility model realizes by following technical proposal: for the positioning fixture of crankshaft counterbalance hole machined, comprise base, it is characterized in that, base is vertically fixed with gripper shoe one and two pieces of gripper shoes, two, two pieces of gripper shoes two and is positioned at gripper shoe one both sides and all just right with gripper shoe one; Gripper shoe one and gripper shoe two run through jagged groove one and gap slot two along the distribution arrangement of gripper shoe one and gripper shoe two respectively, and all upwards, the position of gap slot one is higher than the position of gap slot two for the notch of gap slot one and gap slot two; Described gap slot one comprises and is oppositely arranged and is two madial walls one of perpendicular, the chamfered transition of diapire by arranging obliquely of madial wall one and gap slot one, described gap slot two comprises and is oppositely arranged and is two madial walls two of perpendicular, the chamfered transition of diapire by arranging obliquely of madial wall two and gap slot two; Described gripper shoe one is provided with the extrusion just right with the diapire of gap slot one, and this positioning fixture also comprise can drive extrusion near or away from the actuator of gap slot one.
During use, two shaft portions of bent axle are not placed in two gap slots two, and are offseted by the face of cylinder in inclined-plane and axle portion and reach the object in back shaft portion; The crank-pin of bent axle is placed in gap slot one, and to be offseted the object reaching and support crank-pin by the face of cylinder of inclined-plane and crank-pin, drive extrusion to make extrusion and crank-pin offset thus to be located securely by whole bent axle by actuator again simultaneously, thus effectively improve the machining accuracy of balance pipe.
By setting, there is the gripper shoe one of gap slot one and be positioned at two pieces of gripper shoes two that gripper shoe one both sides also all have gap slot two, and have respectively and can play to bent axle the inclined-plane better supported in gap slot one and gap slot two, effectively to reduce the distance for playing bent axle between each parts supporting object, thus effectively avoid bent axle to shake in the process of processing balance pipe, then effectively improve the machining accuracy of balance pipe.
In the above-mentioned positioning fixture for crankshaft counterbalance hole machined, described gripper shoe one is provided with corresponding thereto and in the contiguous block of strip, described extrusion is the extrusion head that contiguous block end is protruded in column, and described actuator is connected with the other end of contiguous block.
Extrusion and actuator are located at contiguous block two ends respectively, be subject to the active force that bent axle applies, while guaranteeing that bent axle is by stable position, extend again the service life of actuator to reduce actuator in the process of processing balance pipe.Nature, extrusion is that the squeezing rod in column is also fine.
In the above-mentioned positioning fixture for crankshaft counterbalance hole machined, described actuator comprises shell, vertically be provided with the guide post in direct rod shape between described contiguous block and shell, one end and the contiguous block of this guide post fix, and the other end of guide post and described shell are slidably connected.
By arranging guide post, namely good guide effect being played to the movement of contiguous block, enabling contiguous block arrive assigned address comparatively accurately, under the prerequisite not damaging bent axle, the stable position of bent axle can also be realized.
In the above-mentioned positioning fixture for crankshaft counterbalance hole machined, described shell is provided with pilot hole, and pilot hole is blind hole, and the lower end of described guide post is plugged in pilot hole, and under the effect of actuator, the lower surface of guide post can offset with the diapire of pilot hole.
When guide post lower surface and pilot hole diapire offset, extrusion head and crank-pin offset, to realize the object of stable position bent axle.Adopt above-mentioned structure, to play good supporting role to contiguous block, the active force that the bent axle be subject to reduce actuator applies, thus namely ensure that bent axle is by stable position, extends again the service life of actuator.
Alternatively, in the above-mentioned positioning fixture for crankshaft counterbalance hole machined, described shell is fixed with fairlead, and the lower end of described guide post is plugged in fairlead.
Compared with prior art, this positioning fixture being used for crankshaft counterbalance hole machined has the following advantages:
1, by setting, there is the gripper shoe one of gap slot one and be positioned at two pieces of gripper shoes two that gripper shoe one both sides also all have gap slot two, and have respectively and can play to bent axle the inclined-plane better supported in gap slot one and gap slot two, effectively to reduce the distance for playing bent axle between each parts supporting object, thus effectively avoid bent axle to shake in the process of processing balance pipe, then effectively improve the machining accuracy of balance pipe.
2, this fixture is mainly used in Crankshaft Machining, only needs to change gripper shoe one and gripper shoe two, has easy to use, can improve again the efficiency changing fixture simultaneously when different product is changed.
Accompanying drawing explanation
Fig. 1 is originally for the perspective view of the positioning fixture of crankshaft counterbalance hole machined.
Fig. 2 is originally for the left TV structure schematic diagram of the positioning fixture of crankshaft counterbalance hole machined.
Structural representation when Fig. 3 is this use of positioning fixture for crankshaft counterbalance hole machined.
In figure, 1, base; 2, gripper shoe one; 2a, gap slot one; 2a1, madial wall one; 3, gripper shoe two; 3a, gap slot two; 3a1, madial wall two; 4, actuator; 4a, shell; 5, contiguous block; 5a, extrusion; 6, guide post; 7, bent axle.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
As shown in Figure 1, this positioning fixture being used for crankshaft counterbalance hole machined is made up of base 1, gripper shoe 1, gripper shoe 23, actuator 4 etc.
Wherein, gripper shoe 1 is vertically fixed on base 1; Gripper shoe 23 has two pieces and is all vertically fixed on base 1.Two pieces of gripper shoes 23 are positioned at the both sides of gripper shoe 1, and the position of every block gripper shoe 23 is all just right with the position of gripper shoe 1.
As shown in Figure 1, gripper shoe 1 runs through jagged groove one 2a along the distribution arrangement of gripper shoe 1 and gripper shoe 23, and the notch of gap slot one 2a upwards; Two pieces of gripper shoes 23 all run through jagged groove two 3a along the distribution arrangement of gripper shoe 1 and gripper shoe 23, and the notch of two gap slot two 3a all upwards.On the same line, and as shown in Figure 2, the position of gap slot one 2a is higher than the position of gap slot two 3a for gap slot one 2a and two gap slot two 3a threes distribution.Further illustrate, as depicted in figs. 1 and 2, gap slot one 2a comprises and is oppositely arranged and is two madial wall one 2a1 of perpendicular, the chamfered transition of diapire by arranging obliquely of madial wall one 2a1 and gap slot one 2a; Gap slot two 3a comprises and is oppositely arranged and is two madial wall two 3a1 of perpendicular, the chamfered transition of diapire by arranging obliquely of madial wall two 3a1 and gap slot two 3a.
As shown in Figure 1, gripper shoe 1 is provided with the extrusion 5a just right with the diapire of gap slot one 2a.Actuator 4 is located at base 1 side, and this actuator 4 can drive extrusion 5a near or away from gap slot one 2a.Specifically, gripper shoe 1 is provided with corresponding thereto and in the contiguous block 5 of strip, extrusion 5a is the extrusion head that contiguous block 5 end is protruded in column, and actuator 4 is connected with the other end of contiguous block 5.In the present embodiment, actuator 4 is hydraulic cylinder, and the other end of the piston rod of hydraulic cylinder and contiguous block 5 fixes.Nature, adopts " extrusion 5a is the squeezing rod in column, and actuator 4 is cylinder, and the piston rod of cylinder and squeezing rod fix " this technical scheme to be also fine.
Further illustrate, actuator 4 comprises shell 4a, is vertically provided with the guide post 6 in direct rod shape between contiguous block 5 and shell 4a.One end and the contiguous block 5 of guide post 6 fix, and the other end of this guide post 6 and shell 4a are slidably connected.In the present embodiment, as shown in Figure 2, shell 4a is provided with pilot hole, and the lower end of guide post 6 is plugged in pilot hole, to realize the object that guide post 6 is slidably connected with shell 4a.Further optimization, pilot hole is blind hole, and under the effect of actuator 4, the lower surface of guide post 6 can offset with the diapire of pilot hole.When guide post 6 lower surface and pilot hole diapire offset, the crank-pin of extrusion head and bent axle 7 offsets, to realize the object of stable position bent axle 7, and adopt above-mentioned structure, to play good supporting role to contiguous block 5, the active force that the bent axle 7 be subject to reduce actuator 4 applies, thus namely ensure that bent axle 7 is by stable position, extends again the service life of actuator 4.
As shown in Figure 3, when this positioning fixture uses, two shaft portions of bent axle 7 are not placed in two gap slot two 3a, and are offseted by the face of cylinder in inclined-plane and axle portion and reach the object in back shaft portion; The crank-pin of bent axle 7 is placed in gap slot one 2a, and to be offseted the object reaching and support crank-pin by the face of cylinder of inclined-plane and crank-pin, drive extrusion 5a to make extrusion 5a and crank-pin offset thus to be located securely by whole bent axle 7 by actuator 4 again simultaneously, thus effectively improve the machining accuracy of balance pipe.
Embodiment two
The present embodiment two with the structure of embodiment one and principle substantially identical, different place is: shell 4a is fixed with fairlead, and the lower end of guide post 6 is plugged in fairlead, to realize the object that guide post 6 is slidably connected with shell 4a.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (5)
1. for the positioning fixture of crankshaft counterbalance hole machined, comprise base (1), it is characterized in that, base (1) is vertically fixed with gripper shoe one (2) and two pieces of gripper shoes two (3), two pieces of gripper shoes two (3) are positioned at gripper shoe one (2) both sides and all just right with gripper shoe one (2); Gripper shoe one (2) and gripper shoe two (3) run through jagged groove one (2a) and gap slot two (3a) along the distribution arrangement of gripper shoe one (2) and gripper shoe two (3) respectively, all upwards, the position of gap slot one (2a) is higher than the position of gap slot two (3a) for the notch of gap slot one (2a) and gap slot two (3a); Described gap slot one (2a) comprises and is oppositely arranged and is two madial walls one (2a1) of perpendicular, the chamfered transition of diapire by arranging obliquely of madial wall one (2a1) and gap slot one (2a), described gap slot two (3a) comprises and is oppositely arranged and is two madial walls two (3a1) of perpendicular, the chamfered transition of diapire by arranging obliquely of madial wall two (3a1) and gap slot two (3a); Described gripper shoe one (2) is provided with the extrusion (5a) just right with the diapire of gap slot one (2a), and this positioning fixture also comprise can drive extrusion (5a) near or away from the actuator (4) of gap slot one (2a).
2. the positioning fixture for crankshaft counterbalance hole machined according to claim 1, it is characterized in that, described gripper shoe one (2) is provided with corresponding thereto and in the contiguous block (5) of strip, the extrusion head of described extrusion (5a) for contiguous block (5) end is protruded in column, and described actuator (4) is connected with the other end of contiguous block (5).
3. the positioning fixture for crankshaft counterbalance hole machined according to claim 2, it is characterized in that, described actuator (4) comprises shell (4a), the guide post (6) in direct rod shape is vertically provided with between described contiguous block (5) and shell (4a), one end and the contiguous block (5) of this guide post (6) fix, and the other end of guide post (6) and described shell (4a) are slidably connected.
4. the positioning fixture for crankshaft counterbalance hole machined according to claim 3, it is characterized in that, described shell (4a) is provided with pilot hole, and pilot hole is blind hole, the lower end of described guide post (6) is plugged in pilot hole, and under the effect of actuator (4), the lower surface of guide post (6) can offset with the diapire of pilot hole.
5. the positioning fixture for crankshaft counterbalance hole machined according to claim 3, is characterized in that, described shell (4a) is fixed with fairlead, and the lower end of described guide post (6) is plugged in fairlead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520794481.8U CN205021256U (en) | 2015-10-14 | 2015-10-14 | A positioning fixture for processing of bent axle balancing hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520794481.8U CN205021256U (en) | 2015-10-14 | 2015-10-14 | A positioning fixture for processing of bent axle balancing hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205021256U true CN205021256U (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520794481.8U Expired - Fee Related CN205021256U (en) | 2015-10-14 | 2015-10-14 | A positioning fixture for processing of bent axle balancing hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205021256U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107627272A (en) * | 2017-10-27 | 2018-01-26 | 东莞市联洲知识产权运营管理有限公司 | A kind of clamp system for mould |
| CN107877414A (en) * | 2017-10-27 | 2018-04-06 | 东莞市联洲知识产权运营管理有限公司 | A kind of equipment for clamping mould |
| CN108274238A (en) * | 2018-04-03 | 2018-07-13 | 内江金鸿曲轴有限公司 | A kind of lathe for the simultaneous set turning of drill centers |
| CN109227065A (en) * | 2017-05-09 | 2019-01-18 | 天津滨海光热技术研究院有限公司 | A kind of thermal-collecting tube installation tool and its application method |
| CN113478445A (en) * | 2021-06-24 | 2021-10-08 | 中国第一汽车股份有限公司 | Balance shaft and oil pump subpackaging tool and gap adjusting method |
-
2015
- 2015-10-14 CN CN201520794481.8U patent/CN205021256U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109227065A (en) * | 2017-05-09 | 2019-01-18 | 天津滨海光热技术研究院有限公司 | A kind of thermal-collecting tube installation tool and its application method |
| CN107627272A (en) * | 2017-10-27 | 2018-01-26 | 东莞市联洲知识产权运营管理有限公司 | A kind of clamp system for mould |
| CN107877414A (en) * | 2017-10-27 | 2018-04-06 | 东莞市联洲知识产权运营管理有限公司 | A kind of equipment for clamping mould |
| CN108274238A (en) * | 2018-04-03 | 2018-07-13 | 内江金鸿曲轴有限公司 | A kind of lathe for the simultaneous set turning of drill centers |
| CN108274238B (en) * | 2018-04-03 | 2024-02-27 | 内江金鸿曲轴有限公司 | Machine tool for drilling center hole and turning outer circle |
| CN113478445A (en) * | 2021-06-24 | 2021-10-08 | 中国第一汽车股份有限公司 | Balance shaft and oil pump subpackaging tool and gap adjusting method |
| CN113478445B (en) * | 2021-06-24 | 2022-10-28 | 中国第一汽车股份有限公司 | Balance shaft and oil pump subpackaging tool and gap adjusting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Taizhou City, Zhejiang Province, 317608 Yuhuan County Lu Pu Zhen Xuan Kong Industrial Zone Patentee after: Taizhou Zhongya Beijing Great Automotive Components Company Limited Address before: Taizhou City, Zhejiang Province, 317608 Yuhuan County Lu Pu Zhen Xuan Kong Industrial Zone Patentee before: Taizhou City Zhongya Crankshaft Manufacturing Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 317608 Zhejiang Province, Yuhuan City Industrial Zone, Lu Pu Zhen Xuan Kong Patentee after: Taizhou City Central Asia auto parts Limited by Share Ltd Address before: Taizhou City, Zhejiang Province, 317608 Yuhuan County Lu Pu Zhen Xuan Kong Industrial Zone Patentee before: Taizhou Zhongya Beijing Great Automotive Components Company Limited |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20191014 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |