CN108788198A - A kind of special fixture for camshaft radial direction hole machined - Google Patents
A kind of special fixture for camshaft radial direction hole machined Download PDFInfo
- Publication number
- CN108788198A CN108788198A CN201810893413.5A CN201810893413A CN108788198A CN 108788198 A CN108788198 A CN 108788198A CN 201810893413 A CN201810893413 A CN 201810893413A CN 108788198 A CN108788198 A CN 108788198A
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- mounting base
- head end
- bottom plate
- plate
- end mounting
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- 125000006850 spacer group Chemical group 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
- B23B23/005—Tailstocks; Centres the centres being adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
- B23Q1/76—Steadies; Rests
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The present invention provides a kind of special fixtures for camshaft radial direction hole machined, belong to clamp art.It solves the technical problems such as fixture is inconvenient for use of existing camshaft radial direction hole machined.This special fixture includes bottom plate, head end mounting base and tail end mounting base are installed on bottom plate, it is installed with servo motor in head end mounting base, the output shaft of servo motor is equipped with turntable, spring base and positioning disk are connected on turntable, the middle part of positioning disk is top equipped with head end and head end is top towards tail end mounting base, the side eccentric position of positioning disk is additionally provided with angular spacer pin, tail end mounting base is equipped with the hydraulic-driven part towards head end mounting base, is installed on the output shaft of hydraulic-driven part top towards the tail end of head end mounting base；At least two support plates are installed on bottom plate between head end mounting base and tail end mounting base, the upper end of support plate is open with V-type.This fixture can feeding easily and fast, and ensure precision, and adjustability is high.
Description
Technical field
The invention belongs to machine tooling technical field of auxiliary equipment, are related to a kind of process equipment of camshaft axial hole, special
It is not a kind of special fixture for camshaft radial direction hole machined.
Background technology
Camshaft is one of five big core component of engine, and existing camshaft generally uses hollow technology, central through hole
For mail gallery holes, the neck location of each main shaft is all designed with many tiny radial holes and is connected with mail gallery holes, engine work
For the lubrication of main shaft neck part and the driving of VVT timing mechanisms when making.In existing camshaft processing technology, due to radial hole
Often diameter is smaller, is generally used vertical machining centre or Special drilling lathe is processed, and the precision processed, convenience of remodeling
Property and processing efficiency propose very high request to fixture.
China's patent (notification number：CN204248502U；The day for announcing：2015-04-08) one kind is disclosed to have following structure
Cam axis machining apparatus fixture, it includes workbench, and workbench is equipped with the supporting rack placed for camshaft to be processed, work
Compressed oil cylinder corresponding with supporting rack is additionally provided on platform, the piston rod free end of compressed oil cylinder connects a pressing plate, and pressing plate exists
Camshaft to be processed is compressed under compressed oil cylinder piston rod pressed status, workbench is equipped with a groove, is set on the madial wall of groove
There are two opposite " L " the font grab that is open, the upper surface of workbench, two " L " words are stretched out in the top of two " L " font grabs
The middle part of shape grab is hinged with the madial wall of groove；It is equipped with a pull rod in groove, two are arranged in the upper portion side wall of pull rod
Clearance fit is distinguished in two card slots in the lower free end of a card slot, two " L " font grabs, and pull rod is in lower shifting state
When, the upper free end of two " L " font grabs relatively rotates and clamps the cam lobes of camshaft to be processed；Workbench bottom is perpendicular
One drawing cylinder of straight installation, the piston rod free end of drawing cylinder and the bottom of pull rod connect.
Fixture in above patent document cannot well adapt to the radial hole machined in camshaft, and when workpiece feeding
Than relatively time-consuming, precision is inadequate.
Invention content
The present invention existing above problem in view of the prior art, provides a kind of for the special of camshaft radial direction hole machined
Fixture, the technical problem to be solved by the present invention is to：The efficiency of workpiece feeding and fixed when how to improve camshaft radial direction hole machined
The precision of position.
Object of the invention can be realized by the following technical scheme：
A kind of special fixture for camshaft radial direction hole machined, including bottom plate, which is characterized in that fixed on the bottom plate
There are head end mounting base and tail end mounting base, servo motor, the output shaft of the servo motor are installed in the head end mounting base
It is equipped with turntable, spring base and positioning disk are connected on the turntable, the middle part of the positioning disk is top and described equipped with head end
Head end is top towards the tail end mounting base, and the side eccentric position of the positioning disk is additionally provided with angular spacer pin, the tail end
Mounting base is equipped with the hydraulic-driven part towards the head end mounting base, and direction is installed on the output shaft of the hydraulic-driven part
The tail end of the head end mounting base is top；Be installed between the head end mounting base and tail end mounting base on the bottom plate to
Few two support plates, all support plate interval settings, the upper end of the support plate is open with V-type.
Its principle is as follows：The both ends of camshaft all have centre bore, the head end eccentric position of camshaft be additionally provided with it is above-mentioned
The matched angular limit hole of angular spacer pin.The fixture of the present invention uses complete design method, overall structure to be mounted on one piece
On bottom plate, a whole set of fixture is placed directly on the workbench of machining center.In use, cam shaft-like work is placed on two supports
In the V-type opening of plate, and the head end centre bore of cam shaft-like work is top to positive head end, preliminary guiding is realized by support plate
And positioning, being rotated further by workpiece enables the angular spacer pin on positioning disk to be fully inserted into the angular limit hole of workpiece head end, then
Tail end is top to be held out against, and workpiece completes entire location action.When processing, servo motor drives turntable rotation, to drive workpiece
Rotation, can be according to each radial hole angle requirement of product, and arbitrarily devised rotational angle realizes adjust automatically in a program.This technology side
Hydraulic-driven part can drive the top movement of tail end in case, top the distance between top with head end so as to adjust tail end, realize
The workpiece of different length is processed, versatility is high.This fixture using head end is top and top realizations of tail end positions, positioning datum with it is whole
Line each process is completely unified, positioning accuracy higher.The positioning disk of head end in the present invention uses modularized design, with turntable
Mounting design has axial and angular location fit；Positioning disk can be required according to the location dimension of different product, and directly preparation is corresponding
Positioning disk, can quickly remodel, quickly find the axial direction of fixture and angular positioning origin, adjustment time is greatly saved, carries
High working efficiency.
In the above-mentioned special fixture for camshaft radial direction hole machined, through-hole is offered in the middle part of the positioning disk,
The top activity of head end is plugged in the through-hole, and the top one end of the head end is tip and the positioning disk is stretched out at the end
Outside, helical spring is equipped in the spring base, the top other end of the head end is planar bottom end and the end and the helical spring
It leans.
In the above-mentioned special fixture for camshaft radial direction hole machined, the support plate includes mounting plate and adjustment
There is the flanging turned down to side, the flanging to be fixed on the bottom plate for plate, the mounting plate lower end, V-type opening position
In having vertical strip-shaped hole one on the upper end of the adjustment plate, the adjustment plate, the adjustment plate is by being plugged in the item
Connection bolt one and the upper end of the mounting plate in shape hole one are fixedly connected with.
In the above-mentioned special fixture for camshaft radial direction hole machined, the bottom plate is rectangular, has on the flanging
There are two spaced strip-shaped holes two, and the length direction of the strip-shaped hole two is consistent with the length direction of the bottom plate, described
Flanging is fixedly connected with by the connection bolt two being plugged in the strip-shaped hole two with the bottom plate.
In the above-mentioned special fixture for camshaft radial direction hole machined, the quantity of the support plate is two, described
Origin block and several hanging rings are additionally provided on bottom plate.
Further, each two support plate, a head end are top, a tail end is top is located on the same line to form one
Group clamping device, each bottom plate are equipped with two groups of above-mentioned clamping devices, two groups of clamping device spacing side by side settings.
Compared with prior art, the fixture in the present invention has the following advantages：
1, the fixture in the present invention drives the top movement of tail end by hydraulic-driven part, so as to adjust tail end is top and head end
It is the distance between top, realize that the workpiece of processing different length, versatility are high.
2, the fixture in the present invention uses head end top and the top realization of tail end positions, and positioning datum and whole line each process are complete
It is complete unified, positioning accuracy higher.
3, the positioning disk of head end uses modularized design in the present invention, has with the mounting design of turntable axial and angular fixed
Position cooperation；Positioning disk can be required according to the location dimension of different product, directly prepared corresponding positioning disk, can quickly be remodeled,
The axial direction of fixture and angular positioning origin are quickly found, adjustment time is greatly saved, improves work efficiency.
Description of the drawings
Fig. 1 is the dimensional structure diagram one of this fixture.
Fig. 2 is the dimensional structure diagram one of this fixture.
Fig. 3 is the dimensional structure diagram of support plate in this fixture.
In figure, 1, bottom plate；2, head end mounting base；3, tail end mounting base；4, servo motor；5, turntable；6, spring base；7, fixed
Position disk；7a, through-hole；8, head end is top；9, support plate；91, mounting plate；91a, flanging；91b, strip-shaped hole two；92, adjustment plate；
92a, V-type opening；92b, strip-shaped hole one；10, angular spacer pin；11, hydraulic-driven part；12, tail end is top；13, origin block；
14, hanging ring；15, bolt one is connected；16, bolt two is connected；17, camshaft.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As depicted in figs. 1 and 2, this special fixture includes bottom plate 1, and head end mounting base 2 and tail end installation are installed on bottom plate 1
Seat 3, servo motor 4 is installed in head end mounting base 2, and the output shaft of servo motor 4 is equipped with turntable 5, bullet is connected on turntable 5
Spring abutment 6 and positioning disk 7, the middle part of positioning disk 7 is equipped with head end top 8 and head end top 8 is towards tail end mounting base 3, positioning disk 7
Side eccentric position is additionally provided with angular spacer pin 10, and tail end mounting base 3 is equipped with the hydraulic-driven part towards head end mounting base 2
11, it is installed with towards the tail end of head end mounting base 2 top 12 on the output shaft of hydraulic-driven part 11；It is located at head end on bottom plate 1 to pacify
At least two support plates 9, the setting of the interval of all support plates 9, the upper end of support plate 9 are installed between dress seat 2 and tail end mounting base 3
With V-type opening 92a；The both ends of camshaft 17 all have centre bore, the head end eccentric position of camshaft 17 be additionally provided with it is above-mentioned
The matched angular limit hole of angular spacer pin 10.This fixture uses complete design method, overall structure to be mounted on one piece of bottom plate 1
On, a whole set of fixture is placed directly on the workbench of machining center.In use, 17 workpiece of camshaft is placed on two support plates
On 9 V-type opening 92a, and by the head end centre bore of 17 workpiece of camshaft top to positive head end 8, realized tentatively by support plate 9
Guiding and positioning, be rotated further by the angular limit that workpiece enables the angular spacer pin 10 on positioning disk 7 to be fully inserted into workpiece head end
Kong Zhong is held out against with rearward end top 12, and workpiece completes entire location action.When processing, servo motor 4 drives turntable 5 to rotate,
, can be according to each radial hole angle requirement of product to drive workpiece to rotate, arbitrarily devised rotational angle realization is automatic in a program
Adjustment.
As depicted in figs. 1 and 2, the middle part of positioning disk 7 offers through-hole 7a, and top 8 activity of head end is plugged in through-hole 7a,
One end of head end top 8 is that tip and the end are stretched out outside positioning disk 7, is equipped with helical spring in spring base 6, head end top 8 it is another
One end is planar bottom end and the end leans with helical spring；As shown in figure 3, support plate 9 includes mounting plate 91 and adjustment plate 92, peace
There is 91 lower end of loading board the flanging 91a turned down to side, flanging 91a to be fixed on bottom plate 1, and V-type opening 92a is located at adjustment plate 92
Upper end, there is vertical one 92b of strip-shaped hole, adjustment plate 92 passes through the connection that is plugged in one 92b of strip-shaped hole in adjustment plate 92
Bolt 1 and the upper end of mounting plate 91 are fixedly connected with；Bottom plate 1 is rectangular, and there are two spaced strip-shaped holes for tool on flanging 91a
The length direction of two 91b, two 91b of strip-shaped hole are consistent with the length direction of bottom plate 1, and flanging 91a is by being plugged in two 91b of strip-shaped hole
Interior connection bolt 2 16 is fixedly connected with bottom plate 1.
Preferably, the quantity of support plate 9 is two in the present embodiment, origin block 13 and several are additionally provided on bottom plate 1
Hanging ring 14.Further, the top 8, tail ends top 12 of 9, head ends of each two support plate are located on the same line shape
At one group of clamping device, each bottom plate 1 is equipped with two groups of above-mentioned clamping devices, two groups of clamping device spacing side by side settings.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although 1, bottom plate is used more herein；2, head end mounting base；3, tail end mounting base；4, servo motor；5, turn
Disk；6, spring base；7, positioning disk；7a, through-hole；8, head end is top；9, support plate；91, mounting plate；91a, flanging；91b, bar shaped
Hole two；92, adjustment plate；92a, V-type opening；92b, strip-shaped hole one；10, angular spacer pin；11, hydraulic-driven part；12, tail end top
Point；13, origin block；14, hanging ring；15, bolt one is connected；16, bolt two is connected；17, the terms such as camshaft, but be not precluded and make
With the possibility of other terms.The use of these items is only for more easily describe and explain the essence of the present invention；It
Be construed to any one of the additional limitations and all disagreed with spirit of that invention.
Claims (5)
1. a kind of special fixture for camshaft radial direction hole machined, including bottom plate (1), which is characterized in that on the bottom plate (1)
It is installed with head end mounting base (2) and tail end mounting base (3), servo motor (4) is installed on the head end mounting base (2), it is described
The output shaft of servo motor (4) is equipped with turntable (5), and spring base (6) and positioning disk (7) are connected on the turntable (5), described
The middle part of positioning disk (7) is equipped with head end top (8) and the head end top (8) towards the tail end mounting base (3), the positioning
The side eccentric position of disk (7) is additionally provided with angular spacer pin (10), and the tail end mounting base (3), which is equipped with towards the head end, pacifies
The hydraulic-driven part (11) of seat (2) is filled, is installed with towards the head end mounting base on the output shaft of the hydraulic-driven part (11)
(2) tail end is top (12)；It is installed between the head end mounting base (2) and tail end mounting base (3) on the bottom plate (1)
There is V-type to be open (92a) for the upper end of at least two support plates (9), the setting of all support plate (9) intervals, the support plate (9).
2. the special fixture according to claim 1 for camshaft radial direction hole machined, which is characterized in that the positioning disk
(7) through-hole (7a) is offered in the middle part of, top (8) activity of head end is plugged in the through-hole (7a), and the head end is top
(8) one end is tip and the positioning disk (7) is stretched out outside in the end, and helical spring, the head end are equipped in the spring base (6)
The other end of top (8) is planar bottom end and the end leans with the helical spring.
3. the special fixture according to claim 1 or 2 for camshaft radial direction hole machined, which is characterized in that the branch
Fagging (9) includes mounting plate (91) and adjustment plate (92), and mounting plate (91) lower end has the flanging turned down to side
(91a), the flanging (91a) are fixed on the bottom plate (1), and the V-type opening (92a) is located at the upper of the adjustment plate (92)
It holds, there is vertical strip-shaped hole one (92b), the adjustment plate (92) is by being plugged in the strip-shaped hole on the adjustment plate (92)
Connection bolt one (15) and the upper end of the mounting plate (91) in one (92b) are fixedly connected with.
4. the special fixture according to claim 3 for camshaft radial direction hole machined, which is characterized in that the bottom plate
(1) rectangular, spaced strip-shaped hole two (91b) there are two tools on the flanging (91a), the strip-shaped hole two (91b)
Length direction is consistent with the length direction of the bottom plate (1), and the flanging (91a) is by being plugged in the strip-shaped hole two (91b)
Interior connection bolt two (16) is fixedly connected with the bottom plate (1).
5. the special fixture according to claim 4 for camshaft radial direction hole machined, which is characterized in that the support plate
(9) quantity is two, and origin block (13) and several hanging rings (14) are additionally provided on the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810893413.5A CN108788198B (en) | 2018-08-07 | 2018-08-07 | Special fixture for processing radial holes of cam shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810893413.5A CN108788198B (en) | 2018-08-07 | 2018-08-07 | Special fixture for processing radial holes of cam shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108788198A true CN108788198A (en) | 2018-11-13 |
| CN108788198B CN108788198B (en) | 2024-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810893413.5A Active CN108788198B (en) | 2018-08-07 | 2018-08-07 | Special fixture for processing radial holes of cam shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108788198B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2545181A (en) * | 1945-02-02 | 1951-03-13 | Weiss Albert | Outboard support for the arm of a radial boring machine |
| JPH07299607A (en) * | 1994-04-29 | 1995-11-14 | Nippei Toyama Corp | Tailstock |
| US6053083A (en) * | 1998-02-26 | 2000-04-25 | Mosey; George N. | Turning and boring machine with double centering positioners |
| CN2863321Y (en) * | 2005-08-08 | 2007-01-31 | 浙江三鸥机械股份有限公司 | Cam-ring chuck with locking piece |
| CN102303247A (en) * | 2011-08-12 | 2012-01-04 | 成都科盛石油科技有限公司 | System for centering slender workpiece of machining cutting machine tool |
| CN205200585U (en) * | 2015-12-18 | 2016-05-04 | 浙江诺格汽车模具有限公司 | Anchor clamps of camshaft |
| CN108311716A (en) * | 2018-04-12 | 2018-07-24 | 宁波海天精工股份有限公司 | A kind of automatic eccentric clamping device of crank-shaft link neck processing hydraulic pressure |
| CN208528108U (en) * | 2018-08-07 | 2019-02-22 | 浙江卓驰机电科技有限公司 | A kind of special fixture for camshaft radial direction hole machined |
-
2018
- 2018-08-07 CN CN201810893413.5A patent/CN108788198B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2545181A (en) * | 1945-02-02 | 1951-03-13 | Weiss Albert | Outboard support for the arm of a radial boring machine |
| JPH07299607A (en) * | 1994-04-29 | 1995-11-14 | Nippei Toyama Corp | Tailstock |
| US6053083A (en) * | 1998-02-26 | 2000-04-25 | Mosey; George N. | Turning and boring machine with double centering positioners |
| CN2863321Y (en) * | 2005-08-08 | 2007-01-31 | 浙江三鸥机械股份有限公司 | Cam-ring chuck with locking piece |
| CN102303247A (en) * | 2011-08-12 | 2012-01-04 | 成都科盛石油科技有限公司 | System for centering slender workpiece of machining cutting machine tool |
| CN205200585U (en) * | 2015-12-18 | 2016-05-04 | 浙江诺格汽车模具有限公司 | Anchor clamps of camshaft |
| CN108311716A (en) * | 2018-04-12 | 2018-07-24 | 宁波海天精工股份有限公司 | A kind of automatic eccentric clamping device of crank-shaft link neck processing hydraulic pressure |
| CN208528108U (en) * | 2018-08-07 | 2019-02-22 | 浙江卓驰机电科技有限公司 | A kind of special fixture for camshaft radial direction hole machined |
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| Publication number | Publication date |
|---|---|
| CN108788198B (en) | 2024-05-03 |
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Effective date of registration: 20211227 Address after: 318000 No. 68, Airport South Road, Xiachen street, Jiaojiang District, Taizhou City, Zhejiang Province (self declaration) Applicant after: Agsai (Taizhou) Machinery Co.,Ltd. Address before: 318000 No.25, Airport South Road, Jiaojiang District, Taizhou City, Zhejiang Province Applicant before: ZHEJIANG ZHUOCHI DYNAMO-ELECTRIC TECHNOLOGY Co.,Ltd. |
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