CN105751116B - The clamping device of assembled cam shaft overhead cam piece - Google Patents
The clamping device of assembled cam shaft overhead cam piece Download PDFInfo
- Publication number
- CN105751116B CN105751116B CN201610223634.2A CN201610223634A CN105751116B CN 105751116 B CN105751116 B CN 105751116B CN 201610223634 A CN201610223634 A CN 201610223634A CN 105751116 B CN105751116 B CN 105751116B
- Authority
- CN
- China
- Prior art keywords
- cam bit
- cam
- self
- clamping
- clamping module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a kind of clamping device of assembled cam shaft overhead cam piece, including the self-clamping module of cam bit first (2), the self-clamping module of cam bit second (4), drive mechanism and resetting-mechanism；It is mounted on being used for the flexible holding device for directly contacting and locking with cam bit (3) in the described self-clamping module of cam bit first (2) and the self-clamping module of cam bit second (4), the flexible holding device includes flexible clamping body made of excitation unit and magnetorheological materials, excitation unit is connected by wire with external dc power, flexible clamping body one side is connected with excitation unit, and sidewall surfaces of the another side with cam bit (3) in the presence of excitation unit are close to.After above structure, one side cam bit can be more stably clamped, and on the other hand be more applicable for the positioning and clamping of the cam bit of various sizes of irregular shape, and so as to improve production efficiency, cost is lower.
Description
Technical field
It is especially a kind of clamping of assembled cam shaft overhead cam piece the present invention relates to the technical field of camshaft processing
Device.
Background technology
The manufacture method of traditional camshaft is mainly solid forging or casting, and cam and axle are an entirety, therefore this
The shortcomings that following be present in kind camshaft：Because the mach process behind camshaft is various, allowance can so be led with regard to big
Whole camshaft weight weight is caused, waste of material is more, is not easy to manufacture.Now more commonly used has assembled cam shaft, and it is closed
Key technology is the connection method of cam sleeve and axle.It is general using the clamping system being fixedly mounted on the operating platform of assembly machine at present
System.Cam bit at work, is first placed on flat board by this mounting and clamping system, then fixes cam by screwing regulating bolt
Piece, and the position that cam bit is adjusted to limit.Therefore, there are many problems in it：
1) the time-consuming length of this mounting and clamping system, low production efficiency.And for largely producing the professional production producers of camshafts, often
Year yield can reach tens thousand of or even nearly million, can then be consumed largely using this conventional machining device and processing method
Activity time, production efficiency is substantially reduced, increase production cost, and be difficult in adapt to the dress of the cam bit of different model and size
Folder；
2) in addition, with advances in technology, people increasingly tend to changeable and diversified to the demand of product, it is embodied in new
Product is more and more, product refer to it is less and less；And these demands propose great challenge to manufacturing enterprise, these traditional machines
Tool formula cam plate clamp all standardized, and disassembly process is manually realized, therefore, the shape for the workpiece that fixture is directed to
It is single, it is narrow to the adaptive surface of workpiece shapes, while automaticity is relatively low；
3) global shape of assembled cam bit is usually that one end is semicircle, and the other end is the shape similar to peach point,
Centre is provided with the press fitting endoporus with camshaft assembling, the size of the cam bit on the camshaft of different model be it is different, still
Overall structure is constant；The clamping device contacted firmly in the prior art does not adapt to the situation of product size change, but
Need to redesign manufacture fixture, so, the design and manufacture time of frock clamp is added, when extending Operational preparation
Between.
The content of the invention
The technical problem to be solved by the invention is to provide one kind can be suitably used for disposable type sizing-Cam piece clamping, knot
The clamping device for the assembled cam shaft overhead cam piece that structure is simple, automaticity is high.
In order to solve the above technical problems, the clamping device of assembled cam shaft overhead cam piece provided by the invention, including set
Put the self-clamping module of cam bit first, the self-clamping module of cam bit second on pedestal, for make the self-clamping module of cam bit first and
The self-clamping module of cam bit second opens the drive mechanism to form the cavity for placing cam bit, and for clamping cam bit first
Module and cam bit the second self-clamping module closed pair cam bit form the resetting-mechanism of clamping；Described cam bit first clamps mould
The flexible holding device for directly contacting and locking with cam bit, the flexibility are respectively mounted on block and the self-clamping module of cam bit second
Clamping device includes flexible clamping body made of excitation unit and magnetorheological materials, and excitation unit passes through wire and external dc electricity
Source is connected, and flexible clamping body one side is connected with excitation unit, side wall table of the another side in the presence of excitation unit with cam bit
It is close in face.
The described self-clamping module of cam bit first is U-shaped grip block, and it is located at the semicircle side of cam bit, and fixed
It is connected to one end of pedestal；The described self-clamping module of cam bit second is V-type grip block, and it is located at the peach pointed one of cam bit
Side, and it is slidably connected at the other end of pedestal.
Described excitation unit includes iron core and magnet exciting coil, and iron core is connected to the self-clamping module of cam bit first or cam
In the self-clamping module of piece second, magnet exciting coil is wound on iron core, and the self-clamping module of cam bit first and cam bit second clamp
Magnet exciting coil in module is each connected by wire with dc source respectively.
Described flexible clamping body includes groove body, sheet rubber and magnetic rheological body, and the side of groove body is connected with iron core, magnetic
Rheological body is filled in groove body, and the opposite side of groove body is tightly connected with sheet rubber, and sheet rubber is when clamping work and cam
Piece is close to.
Described magnetic rheological body is mixed by high molecular polymer matrix with carbonyl iron dust, wherein high molecular polymer base
The mass percent of body and carbonyl iron dust is 3:7.
Groove depth is 8mm in described groove body, and the thickness of sheet rubber is 1mm.
Described drive mechanism is two groups of cylinder assemblies positioned at cam bit both sides respectively, and the cylinder seat of cylinder assembly is arranged on
On the pedestal of the first self-clamping module of cam bit side, the piston rod free end of cylinder assembly and the self-clamping module of cam bit second towards
One end connection of the self-clamping module of cam bit first；Two groups of cylinder assemblies are located at the both sides of the self-clamping module of cam bit first respectively.
Described resetting-mechanism includes groups of springs and spring base, and spring base is connected to the second self-clamping module of cam bit side
On pedestal, one end of groups of springs is connected with spring base, and the other end is connected with the end of the self-clamping module of cam bit second.
After above structure, the present invention compared with prior art, has the following advantages that：
1) because the present apparatus is employed including flexible made of flexible clamping body made of excitation unit and magnetorheological materials
Clamping device, it is therefore, on the one hand convex by flexible clamping body to the good encapsulations of cam bit sidewall surfaces come clamp cam piece
Wheel piece can more stably be clamped, be on the other hand more applicable for various sizes of irregular shape cam bit positioning and
Clamp, so as to improve production efficiency, cost is lower；
2) use of magnetic rheological body, can be under the magnetic fields of excitation unit and control, and the apparent viscosity of fluid can be with
Sensitively change and rapidly increase, until under a certain magnetic field intensity, stop flowing and reach solidification, and certain with solid
A little attributes, i.e., with anti-shearing ability, and this effect is reversible controllable and highly sensitive, and in other words, it both had
The mobility for having fluid has the magnetic of solid ferromagnetic material again, can be controlled by magnetic field and hold it in optional position, can be outside
Change its viscosity under the control of magnetic field；Therefore, can be produced by adjusting the size of DC supply input power supply to change excitation unit
Raw magnetic field size, the clamping to the irregular cam bit of geometry is adaptively realized, while to low rigidity, clamping process
The cam bit that middle profile and size have micro change realizes flexible clamping, and magnetic rheological body controls easy, response under magnetic fields
Rapidly.
Brief description of the drawings
Fig. 1 is the partial structural diagram of the clamping device of assembled cam shaft overhead cam piece of the present invention.
Fig. 2 is the local overlooking structural representation of the clamping device of assembled cam shaft overhead cam piece of the present invention.
Fig. 3 is the structural representation of resetting-mechanism in the present invention.
Fig. 4 is the structural representation of flexible holding device in the present invention.
Wherein, 1, pedestal；2nd, the self-clamping module of cam bit first；3rd, cam bit；4th, the self-clamping module of cam bit second；5th, cylinder
Component；6th, groups of springs；7th, spring base；8th, wire；9th, iron core；10th, magnet exciting coil；11st, groove body；12nd, magnetic rheological body；13rd, rubber
Film.
Embodiment
The present invention is described in more detail with reference to the accompanying drawings and detailed description.
From the structural representation of the clamping device of the assembled cam shaft overhead cam piece of the present invention shown in Fig. 1~Fig. 4,
It includes the first self-clamping module of cam bit 2, the second self-clamping module of cam bit 4 being arranged on pedestal 1, for making cam bit first
Self-clamping module 2 and the second self-clamping module of cam bit 4 open the drive mechanism for forming the cavity for placing cam bit 3, and for making
The first self-clamping module of cam bit 2 and the closed pair cam bit 3 of the second self-clamping module of cam bit 4 form the resetting-mechanism of clamping.It is described
The first self-clamping module of cam bit 2 and the second self-clamping module of cam bit 4 on be mounted on be used for directly contact and lock with cam bit 3
Tight flexible holding device, the flexible holding device include flexible clamping body made of excitation unit and magnetorheological materials, excitation
Device is connected by wire with external dc power, and flexible clamping body one side is connected with excitation unit, and another side is in excitation unit
In the presence of be close to the sidewall surfaces of cam bit 3.
Described the first self-clamping module of cam bit 2 is U-shaped grip block, and it is located at the semicircle side of cam bit 3, and solid
Surely it is connected to one end of pedestal 1.Described the second self-clamping module of cam bit 4 is V-type grip block, and it is located at the peach point of cam bit 3
Shape side, and it is slidably connected at the other end of pedestal 1.
Described excitation unit includes iron core 9 and magnet exciting coil 10, iron core 9 be connected to the first self-clamping module of cam bit 2 or
In the second self-clamping module of person's cam bit 4, magnet exciting coil 10 is wound on iron core 9, and the first self-clamping module of cam bit 2 and cam
Magnet exciting coil 10 in the second self-clamping module of piece 4 is each connected by wire 7 with dc source respectively.
Described flexible clamping body includes groove body 11, sheet rubber 13 and magnetic rheological body 12, the side of groove body 11 and iron
Core 9 is connected, and magnetic rheological body 12 is filled in groove body 11, and opposite side and the sheet rubber 13 of groove body 11 are tightly connected, sheet rubber
13 are close to when clamping work with cam bit 3.
Described magnetic rheological body 12 is mixed by high molecular polymer matrix with carbonyl iron dust, wherein high molecular polymer
The mass percent of matrix and carbonyl iron dust is 3:7.
Groove depth is 8mm in described groove body 11, and the thickness of sheet rubber 13 is 1mm.
Described drive mechanism is two groups of cylinder assemblies 5 positioned at the both sides of cam bit 3 respectively, and the cylinder seat of cylinder assembly 5 is pacified
On the pedestal 1 of the side of the first self-clamping module of cam bit 2, piston rod free end and the cam bit second of cylinder assembly 5 clamp
Module 4 connects towards one end of the first self-clamping module of cam bit 2；Two groups of cylinder assemblies 5 clamp mould positioned at cam bit first respectively
The both sides of block 2.
Described resetting-mechanism includes groups of springs 6 and spring base 7, and spring base 7 is connected to the second self-clamping module of cam bit 4 one
On the pedestal 1 of side, one end of groups of springs 6 is connected with spring base 7, and the other end is connected with the end of the second self-clamping module of cam bit 4.
The course of work of the present invention is as follows：
When to be positioned to cam bit, cylinder assembly acts first, promotes the self-clamping module of cam bit second to remote
The direction of the self-clamping module of cam bit first is moved along pedestal, is put into cam bit, discharges cylinder assembly, and cam bit second clamps mould
Block in the presence of groups of springs close to cam bit first self-clamping module, make cam bit and sheet rubber have it is individual at the beginning of contact.Now, it is U-shaped
The surface soft rubber piece of cramping body and V-type cramping body can be adjacent to cam bit outer surface and form numerous contact-segments, result in formation of
The centering of cam bit and phase bit.Then dc source is connected, magnetic field is produced after making excitation unit conduction, so that magnetic rheological body
Material solidification, extruding force is applied along parallel flux lines direction to cam bit, due to having used magnetic rheological body material, every during clamping
Individual contact-segment nearby has the magnetic rheological body material of solidification, forms the clamping device of fitting cam bit appearance facial contour.And make
During, the size for adjusting dc source output current controls the magnetic field at iron core, becomes plastic so as to change magnetic rheological body
Mud, normal force is applied with to the sheet rubber of flexibility, makes sheet rubber gripping cams piece.
After completion of processing, magnet exciting coil is powered off, magnetic field disappears, and retracts V-type cramping body, and now magnetic rheological body material is extensive
Multiple application state, so as to be easily removed cam bit.
Claims (5)
1. a kind of clamping device of assembled cam shaft overhead cam piece, including the cam bit first being arranged on pedestal (1) clamp
Module (2), the self-clamping module of cam bit second (4), for making the self-clamping module of cam bit first (2) and the self-clamping module of cam bit second
(4) drive mechanism for forming the cavity for placing cam bit (3) is opened, and for making the self-clamping module of cam bit first (2) and convex
Take turns the resetting-mechanism that the self-clamping module of piece second (4) closed pair cam bit (3) forms clamping；It is characterized in that：Described cam bit
It is mounted on being used to directly contact and lock with cam bit (3) in first self-clamping module (2) and the self-clamping module of cam bit second (4)
Flexible holding device, the flexible holding device includes flexible clamping body made of excitation unit and magnetorheological materials, excitation dress
Put and be connected by wire with external dc power, flexible clamping body one side is connected with excitation unit, and another side is in excitation unit
Effect is lower to be close to the sidewall surfaces of cam bit (3)；
Described excitation unit includes iron core (9) and magnet exciting coil (10), and iron core (9) is connected to the self-clamping module of cam bit first
(2) or in the self-clamping module of cam bit second (4), magnet exciting coil (10) is wound on iron core (9), and cam bit first clamps
Magnet exciting coil (10) in module (2) and the self-clamping module of cam bit second (4) is each connected by wire with dc source respectively；
Described flexible clamping body includes groove body (11), sheet rubber (13) and magnetic rheological body (12), the side of groove body (11)
It is connected with iron core (9), magnetic rheological body (12) is filled in groove body (11), and the opposite side and sheet rubber (13) of groove body (11) are close
Envelope connection, sheet rubber (13) are close to when clamping work with cam bit (3)；
Described magnetic rheological body (12) is mixed by high molecular polymer matrix with carbonyl iron dust, wherein high molecular polymer base
The mass percent of body and carbonyl iron dust is 3:7.
2. the clamping device of assembled cam shaft overhead cam piece according to claim 1, it is characterised in that：Described cam
The self-clamping module of piece first (2) is U-shaped grip block, and it is located at the semicircle side of cam bit (3), and is fixedly connected on pedestal
(1) one end；The described self-clamping module of cam bit second (4) is V-type grip block, and it is located at the pointed side of peach of cam bit (3),
And it is slidably connected at the other end of pedestal (1).
3. the clamping device of assembled cam shaft overhead cam piece according to claim 1, it is characterised in that：Described groove
Body (11) interior groove depth is 8mm, and the thickness of sheet rubber (13) is 1mm.
4. the clamping device of assembled cam shaft overhead cam piece according to claim 2, it is characterised in that：Described driving
Mechanism is two groups of cylinder assemblies (5) positioned at cam bit (3) both sides respectively, and the cylinder seat of cylinder assembly (5) is arranged on cam bit the
On the pedestal (1) of one self-clamping module (2) side, piston rod free end and the self-clamping module of cam bit second (4) of cylinder assembly (5)
Connected towards one end of the self-clamping module of cam bit first (2)；Two groups of cylinder assemblies (5) are located at the self-clamping module of cam bit first respectively
(2) both sides.
5. the clamping device of assembled cam shaft overhead cam piece according to claim 2, it is characterised in that：Described reset
Mechanism includes groups of springs (6) and spring base (7), and spring base (7) is connected to the pedestal of the self-clamping module of cam bit second (4) side
(1) on, one end of groups of springs (6) is connected with spring base (7), and the other end is connected with the end of the self-clamping module of cam bit second (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223634.2A CN105751116B (en) | 2016-04-11 | 2016-04-11 | The clamping device of assembled cam shaft overhead cam piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223634.2A CN105751116B (en) | 2016-04-11 | 2016-04-11 | The clamping device of assembled cam shaft overhead cam piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105751116A CN105751116A (en) | 2016-07-13 |
| CN105751116B true CN105751116B (en) | 2017-12-01 |
Family
ID=56334806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610223634.2A Active CN105751116B (en) | 2016-04-11 | 2016-04-11 | The clamping device of assembled cam shaft overhead cam piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105751116B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141708B (en) * | 2016-08-11 | 2019-03-19 | 张广 | A kind of device increasing magnetorheological fluid flexible fixture clamping force |
| CN106162498A (en) * | 2016-08-31 | 2016-11-23 | 苏州倍声声学技术有限公司 | A kind of auxiliary fixture for assembling Magnet and iron core and using method thereof |
| CN110374706B (en) * | 2019-07-22 | 2024-02-20 | 宁波圣龙五湖汽车零部件有限公司 | Symmetrical distribution cam molded line of engine |
| CN117565100B (en) * | 2024-01-16 | 2024-04-30 | 新江科技(江苏)有限公司 | Robot clamp for casting magnesium alloy cabin |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4303895B2 (en) * | 2001-03-30 | 2009-07-29 | 株式会社東芝 | Three position switch operation mechanism |
| CN103085005A (en) * | 2013-01-31 | 2013-05-08 | 宁波圣龙浦洛西凸轮轴有限公司 | Clamp on camshaft assembly machine for fixing cam piece |
| CN104772727A (en) * | 2015-04-24 | 2015-07-15 | 严瑾 | Rigid-flexible blended clamp |
| CN104907957A (en) * | 2015-05-25 | 2015-09-16 | 中南大学 | Coaxial photoelectronic device coupling fixture based on magneto-rheological technology |
| CN105458669A (en) * | 2015-12-25 | 2016-04-06 | 宁波圣龙浦洛西凸轮轴有限公司 | Assembly tool for camshaft |
| CN205660580U (en) * | 2016-04-11 | 2016-10-26 | 湖州圣龙汽车动力系统有限公司 | Cam piece's clamping device on assembled camshaft |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1023395C2 (en) * | 2003-05-12 | 2004-11-15 | Tno | Coriolis Mass Flow Meter. |
-
2016
- 2016-04-11 CN CN201610223634.2A patent/CN105751116B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4303895B2 (en) * | 2001-03-30 | 2009-07-29 | 株式会社東芝 | Three position switch operation mechanism |
| CN103085005A (en) * | 2013-01-31 | 2013-05-08 | 宁波圣龙浦洛西凸轮轴有限公司 | Clamp on camshaft assembly machine for fixing cam piece |
| CN104772727A (en) * | 2015-04-24 | 2015-07-15 | 严瑾 | Rigid-flexible blended clamp |
| CN104907957A (en) * | 2015-05-25 | 2015-09-16 | 中南大学 | Coaxial photoelectronic device coupling fixture based on magneto-rheological technology |
| CN105458669A (en) * | 2015-12-25 | 2016-04-06 | 宁波圣龙浦洛西凸轮轴有限公司 | Assembly tool for camshaft |
| CN205660580U (en) * | 2016-04-11 | 2016-10-26 | 湖州圣龙汽车动力系统有限公司 | Cam piece's clamping device on assembled camshaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105751116A (en) | 2016-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105751116B (en) | The clamping device of assembled cam shaft overhead cam piece | |
| CN203390573U (en) | Positioning locking chuck of tenon tooth blade root of blade | |
| CN205660580U (en) | Cam piece's clamping device on assembled camshaft | |
| CN204430817U (en) | A kind of machine workpieces clamping device | |
| CN205363221U (en) | Screw centering locking installation mechanism | |
| CN204295340U (en) | A kind of Novel fixture | |
| CN201711570U (en) | Piston rod drilling die | |
| CN205685223U (en) | A kind of earpiece clamping device | |
| CN201922277U (en) | Mould processing clamp | |
| CN106392951A (en) | Capacitor wrapper rapid type changing fixture device | |
| CN107552844B (en) | A kind of plate nut gasket hole drilling die | |
| CN203696498U (en) | Magnetic flat tongs | |
| CN204248575U (en) | A kind of mandrel device for grinding positioning sleeve | |
| CN202105975U (en) | Cylinder type clamping device | |
| CN205290457U (en) | Make things convenient for cylinder type anchor clamps equipment that machining used | |
| CN205178793U (en) | Exchange general assembly fixture of synchronous cylinder rotor tile formula magnet steel of permanent magnetism | |
| CN209168938U (en) | Adapt to the winding clamp of different scale toroidal core inductances | |
| CN203448596U (en) | Automatic clamp opening mechanism for cold header | |
| CN203304722U (en) | Adjustable screw tap clamp device | |
| CN202070718U (en) | Sliding rail type clamping device | |
| CN206657950U (en) | A kind of multi-functional coiling and peeling comprehensive fixture | |
| CN203993269U (en) | A kind of hydraulic compression frock clamp of Vehicular air-conditioner compressor cylinder body end face processing | |
| CN205184331U (en) | Thin parts boring jig | |
| CN204711497U (en) | A kind of trigger clamping convey device of elastic hook | |
| CN109834482A (en) | A kind of shell class thin-walled parts processing method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 315111 No. 158, Baohan Road, CRRC Industrial Park, Wuxiang Township, Yinzhou District, Ningbo City, Zhejiang Province Patentee after: Ningbo Shenglong Wuhu Auto Parts Co.,Ltd. Address before: No. 1588, Huling Road, Linghu Town, Huzhou City, Zhejiang Province 313018 Patentee before: HUZHOU SHENGLONG AUTOMOBILE POWER SYSTEM Co.,Ltd. |
|
| CP03 | Change of name, title or address |