CN106271753A - Camshaft mandrel end centre bore processing tool - Google Patents
Camshaft mandrel end centre bore processing tool Download PDFInfo
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- CN106271753A CN106271753A CN201610657957.2A CN201610657957A CN106271753A CN 106271753 A CN106271753 A CN 106271753A CN 201610657957 A CN201610657957 A CN 201610657957A CN 106271753 A CN106271753 A CN 106271753A
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- camshaft
- seat
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- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
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Abstract
The invention discloses a kind of camshaft mandrel end centre bore processing tool, it includes bracket assembly, multiple grip unit (3), device for pre-positioning and gas check；The lower end of described bracket assembly is connected on the workbench of lathe by rotary cylinder, and each grip unit (3) grips a camshaft (5) and camshaft (5) is horizontal positioned；The plurality of grip unit (3) equidistant parallel from top to down arranges and is respectively symmetrically on two end faces being connected to bracket assembly；Each grip unit (3) one device for pre-positioning of configuration and a gas check, device for pre-positioning and gas check are both connected on bracket assembly.After using above structure, it is ensured that the camshaft power that camshaft is subject to when machining center hole, end more equalizes, it is to avoid the deformation of camshaft, thus improves product processing quality.
Description
Technical field
The present invention relates to the processing technique field of camshaft, be especially a kind of camshaft mandrel end centre bore processing tool.
Background technology
The manufacture method of traditional camshaft has varied, has steel pipe inner swelling method, internal hydraulic pressure method, hot jacket method, powder
Metallurgy method, knurling connection method and press-fit method etc..The camshaft no matter which kind of method manufactures, is required for coming in fact through polish
The processing request of existing each camshaft, such as in the end face machining center hole of camshaft.Therefore, when processing these centre bores,
It is typically to be arranged on lathe camshaft by frock clamp to be processed.In prior art, most enterprises use horizontal adding
The centre bore of camshaft is processed by work center.Publication No. as disclosed on State Intellectual Property Office website
" camshaft end face milling centering frock " patent of CN103769887A, it includes that base plate, both sides arrange V-shape base, behind middle part
Side arranges horizontal pedestal, is provided with adjustment axle, stretches out from two ends in the inner chamber of horizontal pedestal, and inner chamber is provided with spring, is installed on
Adjusting on axle, one end offsets with inner face, and one end offsets with the shaft shoulder, and the right-hand member adjusting axle arranges right side shifting block, the adjustment on right side
Arranging pin up on axle, left end is provided with left side shifting block, the fixing locking of nut；There is locating piece on the right side of base plate, on rear side of locating piece
Arranging support positioning plates, support positioning plates arranges support nail, the left side of base plate arranges pin.But, this camshaft centre bore
Processing, there is problems with:
1) owing to, in prior art, axial workpiece is when processing the centre bore at two ends, and the clamping face of its frock is the most
Machined surface, and clamped condition is also dependent on what the judgement of human subjective determined, and therefore, on the one hand chucking power is excessive easily makes
Becoming the deformation of clamping face, thus destroy the surface quality of camshaft, on the other hand clamping force cannot accurately control, either large or small all
The stress balance of camshaft when can affect machining cam axle two ends centre bore, thus cause the deformation of whole camshaft；
2) it addition, during machining cam axle two ends centre bore, it is common that process the most one by one, in other words, camshaft or
It is clamped on lathe vertical or horizontally, then carries out its two ends processing step by step, and the most also can only process a camshaft,
Therefore, production efficiency is low.
Summary of the invention
The technical problem to be solved is to provide one can make clamping more firm with self-centering clamp cam axle
Gu, equilibrium, and once can process multiple camshaft simultaneously, thus improve the camshaft mandrel end centre bore processing of production efficiency
Frock.
For solving above-mentioned technical problem, the camshaft mandrel end centre bore processing tool that the present invention provides, it includes bracing frame
Assembly, multiple grip unit, device for pre-positioning and gas check；The lower end of described bracket assembly is connected to by rotary cylinder
On the workbench of lathe, each grip unit grips a camshaft and camshaft is horizontal positioned；The plurality of folder
Hold unit equidistant parallel from top to down arrange and be respectively symmetrically on two end faces being connected to bracket assembly；Each grip unit
Configuring a device for pre-positioning and a gas check, device for pre-positioning and gas check are both connected on bracket assembly.
Described bracket assembly includes that rotary cylinder fixes seat, support baseboard, connection pedestal and end face connecting plate；Wherein,
Described rotary cylinder is fixed the lower end of seat and is connected with the rotary cylinder clutch end on lathe, and the lower end of support baseboard is connected to back
Turning cylinder and fix on seat upper surface, the lower end connecting pedestal is connected to the upper end of support baseboard, and end face connecting plate is two pieces, and respectively
It is connected to connect two ends of pedestal.
Described grip unit includes the two groups of end clamp assemblies in left and right and one group of middle clamp assemblies, two groups of ends clampings
Assembly and one group of middle clamp assemblies are both connected on end face connecting plate, the radial direction chuck in the clamp assemblies of end and cam axle head
The blank periphery clamping in portion or disengagement, the axial chuck in middle clamp assemblies and the step supporting axle journal in the middle part of camshaft
Face clamping or disengagement.
In described two groups of end clamp assemblies, often group end clamp assemblies also includes end Holding seat, top shoe, downslide
Block, end clamping pressing plate and end clamp drive mechanism；One end of described end Holding seat is fixedly connected on end face and connects
On plate, the center of the end face of the other end is provided with vertical chute and the transverse concave groove of horizontal direction of the vertical direction of intersection, end
Portion's clamping pressing plate is connected in transverse concave groove；One end of described top shoe is slidably connected at end clamping pressing plate above section
In vertical chute, the other end connects radially chuck；One end of described sliding block is slidably connected at below end clamping pressing plate
In the vertical chute of part, the other end connects radially chuck, and the radial direction chuck on top shoe and sliding block is respectively acting on convex
Axle ends；Described end clamp drive mechanism is connected in the Holding seat of end, and its drive end is positioned at top shoe and downslide
Between block and it is connected with top shoe and sliding block simultaneously.
Described end clamp drive mechanism includes driving cylinder cap, piston rod, piston and drive block；Described end clamping
There is in base cavity, drive cylinder cap to be fixedly connected on the end Holding seat of end face connecting plate side, piston and work
Stopper rod is connected as a single entity, and piston is slidably fitted in the cavity of end Holding seat, slides even with driving cylinder cap in one end of piston rod
Connecing, the other end is connected through end Holding seat with drive block, and the upper end of drive block is flexibly connected with top shoe, under drive block
End is flexibly connected with sliding block.
The groove depth size of described vertical chute, more than the groove depth size of transverse concave groove, is positioned at the end of vertical chute part
Being formed between clamping pressing plate bottom surface and vertical chute and be available for top shoe or the vertically slidable stopper slot of sliding block, drive block is positioned at
Top shoe, sliding block, end clamp in the space formed between pressing plate and end Holding seat；The lower end of described top shoe sets
Have the upper T-slot of inclination, the upper end of sliding block is provided with the lower T-slot of inclination, and the upper end of drive block has and matches with upper T-slot
The T-shaped head tilted, the lower end of drive block has the T-shaped head of the inclination matched with lower T-slot；Described upper T-slot and lower T-slot
Incline direction be to be symmetrically arranged with the axis of piston rod, and the space openings near Holding seat side, end is more than
Space openings near clamping pressing plate side, end.
Described middle clamp assemblies includes middle Holding seat, left slider, right slide block, middle clamping pressing plate and middle folder
Hold drive mechanism；One end of described middle Holding seat is fixedly connected on end face connecting plate, the center of the end face of the other end
Place is provided with the horizontal concrete chute of the horizontal direction of intersection and the vertical groove of vertical direction, and middle clamping pressing plate is connected to vertical groove
In；One end of described left slider is slidably connected at middle clamping pressing plate with in the horizontal concrete chute of left half, and the other end connects to be had
Axially chuck；One end of described right slide block is slidably connected at middle clamping pressing plate with in the horizontal concrete chute of right half, the other end
Connecting has the axial chuck on axial chuck, left slider and right slide block to be respectively acting on camshaft the step surface supporting axle journal
Place；Described middle clamp drive mechanism is connected between in Holding seat, its drive end be located at left slider and right slide block it
Between and be connected with left slider and right slide block simultaneously.
Described device for pre-positioning includes that the left side laid respectively between end clamp assemblies and middle clamp assemblies makes a reservation for
Hyte part and right side pre-determined bit assembly；Described left side pre-determined bit assembly includes that left side connects seat and left positioner plate, and left side connects
Joint chair horizontal positioned, its one end is connected with end face connecting plate, and the other end is positioned on camshaft the lower section positioning wheel, left positioner plate
Vertically placement, its lower end is connected seat with the left side being positioned at below the wheel of camshaft location and connects, upper end and the wheel rim clamping positioning wheel；
Described right side pre-determined bit assembly includes that right side connects seat and right positioner plate, and right side connects seat horizontal positioned, its one end and end
Face connecting plate connects, and the other end is positioned at the lower section of camshaft overhead cam sheet, and right positioner plate is vertically placed, its lower end be positioned at convex
Right side below wheel shaft overhead cam sheet connects seat and connects, upper end and the peach tip clamping of cam bit.
Described device for pre-positioning also includes the orientation assemblies between middle clamp assemblies and right side pre-determined bit assembly,
This orientation assemblies includes that orientation connects seat, orientation base, orientation device and position plate；It is horizontal positioned that described orientation connects seat,
Its one end is fixing with end face connecting plate to be connected, and the other end is positioned at below the axle journal of camshaft；The lower end of described orientation base is even
Being connected on the orientation below the axle journal of camshaft and connect on seat, the lower end of orientation device is screw rod and passes through the adjustable connection of height of nut
In the upper end of orientation base, the lower end of position plate is connected to orientation device upper end, and position plate upper end is and camshaft journal cylindrical phase
The locating slot joined.
Described gas check is between right-hand end clamp assemblies and middle clamp assemblies, and gas check includes machinery
Valve, triggering block, valve connecting plate and block connecting plate；Described valve connecting plate is L-shaped, is wherein fixedly connected on end face connecting plate
On, the valve body of mechanical valve is fixedly connected on the other of valve connecting plate；Described block connecting plate is L-shaped, wherein fixing
Being connected to the sidewall of top shoe, one end of triggering block is connected to the other of block connecting plate, the other end of triggering block and machinery
The control end of valve triggers or disengages.
After using above structure, the present invention compared with prior art, has the advantage that
1) owing to this frock can be processed multiple camshaft simultaneously, and each camshaft all configure device for pre-positioning and
Gas check, so, after camshaft is placed and is clamped, can by gas check detect the clamp pressure of clamping face whether and
Reach force value set in advance, thus clamping is more firm, and the chucking power of each camshaft can obtain consistent
Ensure, thus it is guaranteed that the camshaft power that camshaft is subject to when machining center hole, end more equalizes, it is to avoid the change of camshaft
Shape, thus improve product processing quality；
2) lower end of bracket assembly is connected with the workbench of lathe by rotary cylinder, so, and two of bracket assembly
On end face can clamp cam axle, therefore, after the camshaft of one of them end face of bracket assembly machines, can pass through
Rotary cylinder forwards the another one end face of bracket assembly to processing stand, so, is greatly improved production efficiency；
3) clamping face that the grip unit of this frock is worked is the blank periphery without processing of camshaft mandrel end,
After camshaft is placed on device for pre-positioning, the end clamp assemblies first passing through two ends, left and right synchronizes folder to the two ends of camshaft
Tightly, in the middle of joint, clamp assemblies is clamped in the middle part of camshaft, and seeks the heart, makes to be finely adjusted at the clamping at camshaft two ends
Whole, then the end clamp assemblies at two ends, left and right completes finally to clamp, thus realize self-centering purpose, get rid of manual operation to convex
Uncertainty that the clamping of wheel shaft brings and subjectivity；
4) setting of orienting device, makes the placement direction of camshaft more determine with consistent, it is to avoid camshaft placement direction
After mistake, camshaft is carried out maloperation, thus reduces the scrappage of camshaft processing；
5) setting of gas check, makes clamping device can be always ensured that consistent with setting value to the clamping force of camshaft, from
And make the clamping of camshaft more accurate.
Accompanying drawing explanation
Fig. 1 is the perspective view of camshaft mandrel end centre bore processing tool of the present invention.
Fig. 2 is the main TV structure schematic diagram of camshaft mandrel end centre bore processing tool of the present invention.
Fig. 3 is the side-looking structural representation of camshaft mandrel end centre bore processing tool of the present invention.
Fig. 4 is the plan structure schematic diagram of camshaft mandrel end centre bore processing tool of the present invention.
Fig. 5 is the structural representation of grip unit in the present invention.
Fig. 6 is the sectional structure schematic diagram of medial end portions clamp assemblies of the present invention.
Wherein, 1, end face connecting plate；2, pedestal is connected；3, grip unit；4, radially chuck；5, camshaft；6, axially press from both sides
Head；7, support baseboard；8, rotary cylinder fixes seat；9, end Holding seat；10, end clamping pressing plate；11, top shoe；12, glide
Block；13, vertical chute；14, transverse concave groove；15, middle Holding seat；16, middle clamping pressing plate；17, left slider；18, right cunning
Block；19, vertical groove；20, horizontal concrete chute；21, left side connects seat；22, left positioner plate；23, right side connects seat；24, right side
Location-plate；25, cam bit；26, be located by connecting seat；27, orientation base；28, orientation device；29, position plate；30, valve connecting plate；
31, mechanical valve；32, triggering block；33, block connecting plate；34, cylinder cap is driven；35, piston rod；36, piston；37, drive block；38, empty
Chamber；39, upper T-slot；40, lower T-slot；41, axle journal is supported；42, location wheel.
Detailed description of the invention
With detailed description of the invention, the present invention is described in more detail below in conjunction with the accompanying drawings.
From the structural representation of the camshaft mandrel end centre bore processing tool of the present invention shown in Fig. 1～Fig. 6, it includes
Bracket assembly, multiple grip unit 3, device for pre-positioning and gas check.The lower end of described bracket assembly is by revolution
Cylinder is connected on the workbench of lathe, and each grip unit 3 grips a camshaft 5 and camshaft 5 is horizontal positioned.
The plurality of grip unit 3 equidistant parallel from top to down arranges and is respectively symmetrically on two end faces being connected to bracket assembly.
Each grip unit 3 configures a device for pre-positioning and a gas check, and device for pre-positioning and gas check are both connected to prop up
On support assembly.
Described bracket assembly includes that rotary cylinder is fixed seat 8, support baseboard 7, connected pedestal 2 and end face connecting plate 1.Its
In, described rotary cylinder is fixed the lower end of seat 8 and is connected with the rotary cylinder clutch end on lathe, and the lower end of support baseboard 7 is even
Being connected on rotary cylinder and fix on seat 8 upper surface, the lower end connecting pedestal 2 is connected to the upper end of support baseboard 7, and end face connecting plate 1 is
Two pieces, and it is connected to connect two ends of pedestal 2.
Described grip unit 3 includes the two groups of end clamp assemblies in left and right and one group of middle clamp assemblies, two groups of ends folders
Hold assembly and one group of middle clamp assemblies is both connected on end face connecting plate 1, the radial direction chuck 4 in the clamp assemblies of end and cam
The blank periphery clamping of axle 5 end or disengagement, the axial chuck 6 in middle clamp assemblies and the cam bit in the middle part of camshaft 5
Step surface clamping or disengage.
In described two groups of end clamp assemblies, often group end clamp assemblies also include end Holding seat 9, top shoe 11,
Sliding block 12, end clamping pressing plate 10 and end clamp drive mechanism.One end of described end Holding seat 9 is fixedly connected on
On end face connecting plate 1, the center of the end face of the other end is provided with the vertical chute 13 of the vertical direction of intersection and horizontal direction
Transverse concave groove 14, end clamping pressing plate 10 is connected in transverse concave groove 14.One end of described top shoe 11 is slidably connected at end
In the vertical chute 13 of portion's clamping pressing plate 10 above section, the other end connects radially chuck 4.One end of described sliding block 12
Being slidably connected at end clamping pressing plate 10 with in the vertical chute 13 of lower part, the other end connects radially chuck 4, top shoe 11
It is respectively acting on camshaft 5 end with the radial direction chuck 4 on sliding block 12.Described end clamp drive mechanism is connected to end
In Holding seat 9, its drive end and is connected with top shoe 11 and sliding block 12 between top shoe 11 and sliding block 12 simultaneously.
Described end clamp drive mechanism includes driving cylinder cap 34, piston rod 35, piston 36 and drive block 37.Described
There is in end Holding seat 9 cavity 38, drive cylinder cap 34 to be fixedly connected near at the bottom of the end clamping of end face connecting plate 1 side
On seat 9, piston 36 is connected as a single entity with piston rod 35, and piston 36 is slidably fitted in the cavity 38 of end Holding seat 9, piston rod
One end of 35 is slidably connected with driving cylinder cap 34, and the other end is connected through end Holding seat 9 with drive block 37, drive block 37
Upper end is flexibly connected with top shoe 11, and the lower end of drive block 37 is flexibly connected with sliding block 12.
The groove depth size of described vertical chute 13, more than the groove depth size of transverse concave groove 14, is positioned at vertical chute 13 part
Clamping pressing plate 10 bottom surface, end and vertical chute 13 between formed and be available for top shoe 11 or the vertically slidable limit of sliding block 12
Position groove, drive block 37 is at top shoe 11, sliding block 12, the sky of formation between end clamping pressing plate 10 and end Holding seat 9
In.The lower end of described top shoe 11 is provided with the upper T-slot 39 of inclination, and the upper end of sliding block 12 is provided with the lower T-slot of inclination
40, the upper end of drive block 37 has the T-shaped head of the inclination matched with upper T-slot 39, and the lower end of drive block 37 has and lower T-slot
The T-shaped head of 40 inclinations matched.The incline direction of described upper T-slot 39 and lower T-slot 40 is
Symmetrically arranged, and the space openings near Holding seat 9 side, end is more than the sky near clamping pressing plate 10 side, end
Between opening.
Described middle clamp assemblies includes middle Holding seat 15, left slider 17, right slide block 18, middle clamping pressing plate 16
With middle clamp drive mechanism.One end of described middle Holding seat 15 is fixedly connected on end face connecting plate 1, the other end
The center of end face is provided with the horizontal concrete chute 20 of the horizontal direction of intersection and the vertical groove 19 of vertical direction, middle clamping pressing plate
16 are connected in vertical groove 19.One end of described left slider 17 is slidably connected at the middle clamping pressing plate 16 horizontal stroke with left half
In chute 20, the other end connects axial chuck 6.One end of described right slide block 18 is slidably connected at middle clamping pressing plate 16
With in the horizontal concrete chute 20 of right half, the other end connects the axial chuck 6 on axial chuck 6, left slider 17 and right slide block 18
It is respectively acting at the step surface at camshaft 5 overhead cam.Described middle clamp drive mechanism is connected between Holding seat
In 15, its drive end is located between left slider 17 and right slide block 18 and is connected with left slider 17 and right slide block 18 simultaneously.
Described middle clamp drive mechanism is similar with the structure of end clamp drive mechanism, including driving cylinder cap, piston
Bar, piston and drive block.There is in described middle Holding seat 15 cavity, drive cylinder cap to be fixedly connected on and connect near end face
On the middle Holding seat 15 of plate 1 side, piston is connected as a single entity with piston rod, and piston is slidably fitted in middle Holding seat 15
In cavity, one end of piston rod is slidably connected with driving cylinder cap, and the other end is connected through middle Holding seat 15 with drive block, drives
The left end of motion block is flexibly connected with left slider 17, and the right-hand member of drive block is flexibly connected with right slide block 18.
The groove depth size of described horizontal concrete chute 20, more than the groove depth size of vertical groove 19, is positioned at horizontal concrete chute 20 part
Formed between clamping pressing plate 16 bottom surface and horizontal concrete chute 20 in the middle of and be available for left slider 17 or the slip of right slide block 18 horizontal direction
Stopper slot, drive block is formed between left slider 17, right slide block 18, middle clamping pressing plate 16 and middle Holding seat 15
In space.The right-hand member of described left slider 17 is provided with the left T-slot of inclination, and the left end of right slide block 18 is provided with the right T-slot of inclination,
The left end of drive block has the T-shaped head of the inclination matched with left T-slot, and the right-hand member of drive block has and inclining that right T-slot matches
Oblique T-shaped head.Described left T-slot and the incline direction of right T-slot are to be symmetrically arranged with the axis of piston rod, and lean on
In the middle of near, the space openings of Holding seat 15 side is more than the space openings near middle clamping pressing plate 16 side.
Described device for pre-positioning includes that the left side laid respectively between end clamp assemblies and middle clamp assemblies makes a reservation for
Hyte part and right side pre-determined bit assembly.Described left side pre-determined bit assembly includes that left side connects seat 21 and left positioner plate 22, left
Side connects seat 21 horizontal positioned, and its one end is connected with end face connecting plate 1, and the other end is positioned on camshaft 5 lower section of location wheel 42,
Left positioner plate 22 is vertically placed, and its lower end is connected seat 21 connects with the left side being positioned at below camshaft 5 location wheel 42, upper end and
The wheel rim clamping of location wheel 42.Described right side pre-determined bit assembly includes that right side connects seat 23 and right positioner plate 24, and right side connects
Joint chair 23 horizontal positioned, its one end is connected with end face connecting plate 1, and the other end is positioned at the lower section of camshaft 5 overhead cam sheet 25, right side
Location-plate is vertically placed, and its lower end is connected seat 23 with the right side being positioned at below camshaft 5 overhead cam sheet 25 and connects, upper end and cam
The peach tip clamping of sheet 25.
Described device for pre-positioning also includes the orientation assemblies between middle clamp assemblies and right side pre-determined bit assembly,
This orientation assemblies includes that orientation connects seat 26, orientation base 27, orientation device 28 and position plate 29.Described orientation connect seat 26 in
Horizontal positioned, its one end is fixing with end face connecting plate 1 to be connected, and the other end is positioned at below the axle journal of camshaft 5.At the bottom of described orientation
The lower end of seat 27 is connected to the orientation below the axle journal of camshaft 5 and connects on seat 26, and the lower end of orientation device 28 is screw rod and passes through
The adjustable upper end being connected to orient base 27 of height of nut, the lower end of position plate 29 is connected to orientation device 28 upper end, position plate
29 upper ends are the locating slot matched with camshaft 5 axle journal cylindrical.
Described gas check is between right-hand end clamp assemblies and middle clamp assemblies, and gas check includes machinery
Valve 31, triggering block 32, valve connecting plate 30 and block connecting plate 33.Described valve connecting plate 30 is L-shaped, is wherein fixedly connected on
On end face connecting plate 1, the valve body of mechanical valve 31 is fixedly connected on the other of valve connecting plate 30.Described block connecting plate 33 in
L-shaped, is wherein fixedly connected on the sidewall of top shoe 11, and one end of triggering block 32 is connected to other the one of block connecting plate 33
Limit, the other end of triggering block 32 triggers with the control end of mechanical valve 31 or disengages.
The operation principle of this frock is: many camshafts 5 are first placed sequentially in left side pre-determined bit assembly and right side makes a reservation for
On hyte part, and carry out the direction of manual confirmation camshaft by orienting device and whether place correctly.Start grip unit 3 middle-end
End clamp drive mechanism in portion's clamp assemblies, piston 36 moves to end face connecting plate 1 direction, is driven by piston rod 35 and drives
Motion block 37 moves to end face connecting plate 1 direction, in upper T-slot 39, lower T-slot 40 and the cooperation of drive block 37 upper and lower side T-shaped head
Under effect, top shoe 11 and sliding block 12 are furthered to center simultaneously, until camshaft 5 is had by upper and lower two radial direction chucks 4
Individual pre-clamping.Then the intervening drive mechanisms action in clamp assemblies in the middle of, drives left slider 17 and right slide block 18 to center
Further, until the axial chuck 6 in two, left and right is clamped in two ends about the wheel sheet of camshaft 5 middle position, and carry out
Alignment voluntarily.Restart the end clamp drive mechanism in the clamp assemblies of end, make the two ends of camshaft finally radially be pressed from both sides
4 clampings, then start gas check, to carrying out pressure detecting at clamping, and detection information feed back to the control system of lathe
In system, it is adjusted by the control system of lathe.After the camshaft mandrel end centre bore of bracket assembly side machines,
The rotary cylinder connected bottom frock starts, and after making bracket assembly rotation turnback, enters the camshaft of bracket assembly opposite side
The centre bore processing of row end.After camshaft all of on bracket assembly all machines, reverse-order exits each and drives
All camshafts are taken off from processing tool by mechanism.
With in the clamping process of OHC, use oil pressure high-low pressure to be converted and carry out.After putting camshaft into, use height
Force feed road makes end clamp assemblies that camshaft is carried out pre-clamping, then high-pressure oil passage is switched to low pressure oil way, makes middle folder
Hold assembly camshaft is carried out axial grip and seeks the heart, then low pressure oil way is switched to high-pressure oil passage, makes end clamp assemblies
Camshaft is continued radial clamping and completes final pinching action.
The above, be only the enforcement example that the present invention is the most feasible, it is impossible to the most i.e. limit to the interest field of the present invention,
For those skilled in the art, all utilization technical schemes and technology design make other are various accordingly
Change all should belong within the protection domain of the claims in the present invention.
Claims (10)
1. a camshaft mandrel end centre bore processing tool, it is characterised in that: it includes bracket assembly, multiple grip unit
(3), device for pre-positioning and gas check；The lower end of described bracket assembly is connected to the workbench of lathe by rotary cylinder
On, each grip unit (3) grips a camshaft (5) and camshaft (5) is horizontal positioned；The plurality of clamping is single
Unit's (3) equidistant parallel from top to down arranges and is respectively symmetrically on two end faces being connected to bracket assembly；Each grip unit
(3) one device for pre-positioning of configuration and a gas check, device for pre-positioning and gas check are both connected on bracket assembly.
Camshaft mandrel end centre bore processing tool the most according to claim 1, it is characterised in that: described bracket assembly
Fix seat (8), support baseboard (7) including rotary cylinder, connect pedestal (2) and end face connecting plate (1)；Wherein, described rotary cylinder
The lower end of fixing seat (8) is connected with the rotary cylinder clutch end on lathe, and it is solid that the lower end of support baseboard (7) is connected to rotary cylinder
On reservation (8) upper surface, the lower end connecting pedestal (2) is connected to the upper end of support baseboard (7), and end face connecting plate (1) is two pieces,
And it is connected to connect two ends of pedestal (2).
Camshaft mandrel end centre bore processing tool the most according to claim 2, it is characterised in that: described grip unit
(3) the two groups of end clamp assemblies in left and right and one group of middle clamp assemblies, two groups of end clamp assemblies and one group of middle clamping are included
Assembly is both connected on end face connecting plate (1), the radial direction chuck (4) in the clamp assemblies of end and the blank of camshaft (5) end
Periphery clamping or disengagement, the axial chuck (6) in middle clamp assemblies and the platform of the support axle journal (41) at camshaft (5) middle part
Terrace clamping or disengagement.
Camshaft mandrel end centre bore processing tool the most according to claim 3, it is characterised in that: the clamping of described two groups of ends
In assembly, often group end clamp assemblies also includes end Holding seat (9), top shoe (11), sliding block (12), end clamping pressure
Plate (10) and end clamp drive mechanism；One end of described end Holding seat (9) is fixedly connected on end face connecting plate (1)
On, the center of the end face of the other end is provided with vertical chute (13) and the transverse concave groove of horizontal direction of the vertical direction of intersection
(14) in, end clamping pressing plate (10) is connected to transverse concave groove (14)；One end of described top shoe (11) is slidably connected at end
In the vertical chute (13) of portion's clamping pressing plate (10) above section, the other end connects radially chuck (4)；Described sliding block
(12) it is interior with the vertical chute (13) of lower part that one end is slidably connected at end clamping pressing plate (10), and the other end connects to be had radially
Radial direction chuck (4) on chuck (4), top shoe (11) and sliding block (12) is respectively acting on camshaft (5) end；Described end
Portion's clamp drive mechanism is connected in end Holding seat (9), and its drive end is positioned between top shoe (11) and sliding block (12)
And be connected with top shoe (11) and sliding block (12) simultaneously.
Camshaft mandrel end centre bore processing tool the most according to claim 4, it is characterised in that: described end clamping is driven
Motivation structure includes driving cylinder cap (34), piston rod (35), piston (36) and drive block (37)；Described end Holding seat (9)
Inside there is cavity (38), drive cylinder cap (34) to be fixedly connected on the end Holding seat (9) near end face connecting plate (1) side
On, piston (36) is connected as a single entity with piston rod (35), and piston (36) is slidably fitted in the cavity (38) of end Holding seat (9)
In, one end of piston rod (35) is slidably connected with driving cylinder cap (34), and the other end passes end Holding seat (9) and drive block
(37) connecting, the upper end of drive block (37) is flexibly connected with top shoe (11), lives with sliding block (12) in the lower end of drive block (37)
It is dynamically connected.
Camshaft mandrel end centre bore processing tool the most according to claim 5, it is characterised in that: described vertical chute
(13) groove depth size, more than the groove depth size of transverse concave groove (14), is positioned at the end clamping pressing plate of vertical chute (13) part
(10) formed between bottom surface and vertical chute (13) and be available for top shoe (11) or the vertically slidable stopper slot of sliding block (12), drive
Motion block (37) is positioned at top shoe (11), sliding block (12), formation between end clamping pressing plate (10) and end Holding seat (9)
In space；The lower end of described top shoe (11) is provided with the upper T-slot (39) of inclination, and the upper end of sliding block (12) is provided with inclination
Lower T-slot (40), the upper end of drive block (37) has the T-shaped head of the inclination matched with upper T-slot (39), under drive block (37)
End has the T-shaped head of the inclination matched with lower T-slot (40)；Described upper T-slot (39) and the incline direction of lower T-slot (40)
It is to be symmetrically arranged with the axis of piston rod (35), and the space openings near Holding seat (9) side, end is more than leaning on
The space openings of close end clamping pressing plate (10) side.
Camshaft mandrel end centre bore processing tool the most according to claim 3, it is characterised in that: described middle clamping group
Part includes middle Holding seat (15), left slider (17), right slide block (18), middle clamping pressing plate (16) and middle clamping driving machine
Structure；One end of described middle Holding seat (15) is fixedly connected on end face connecting plate (1), the center of the end face of the other end
Being provided with the horizontal concrete chute (20) of the horizontal direction of intersection and the vertical groove (19) of vertical direction, middle clamping pressing plate (16) connects
In vertical groove (19)；One end of described left slider (17) is slidably connected at middle clamping pressing plate (16) horizontal stroke with left half
In chute (20), the other end connects axial chuck (6)；One end of described right slide block (18) is slidably connected at middle clamping
Pressing plate (16) is with in the horizontal concrete chute (20) of right half, and the other end connects axial chuck (6), left slider (17) and right slide block
(18) the axial chuck (6) on is respectively acting at support axle journal (41) step surface at camshaft (5) middle part；Folder in the middle of described
Holding drive mechanism to be connected between in Holding seat (15), its drive end is located between left slider (17) and right slide block (18) also
It is connected with left slider (17) and right slide block (18) simultaneously.
Camshaft mandrel end centre bore processing tool the most according to claim 3, it is characterised in that: described device for pre-positioning
Including the left side pre-determined bit assembly laid respectively between end clamp assemblies and middle clamp assemblies and right side pre-determined bit assembly；Institute
The left side pre-determined bit assembly stated includes that left side connects seat (21) and left positioner plate (22), and left side connects seat (21) horizontal positioned,
Its one end is connected with end face connecting plate (1), and the other end is positioned at the lower section positioning wheel (42) on camshaft (5), left positioner plate
(22) vertically placing, its lower end is connected seat (21) with the left side being positioned at camshaft (5) location wheel (42) lower section and connects, and upper end is with fixed
The wheel rim clamping of position wheel (42)；Described right side pre-determined bit assembly includes that right side connects seat (23) and right positioner plate (24), right
Side connects seat (23) horizontal positioned, and its one end is connected with end face connecting plate (1), and the other end is positioned at camshaft (5) overhead cam sheet
(25) lower section, right positioner plate vertically places, and its lower end is connected with the right side being positioned at camshaft (5) overhead cam sheet (25) lower section
Seat (23) connects, upper end and the peach tip clamping of cam bit (25).
Camshaft mandrel end centre bore processing tool the most according to claim 8, it is characterised in that: described device for pre-positioning
Also including the orientation assemblies between middle clamp assemblies and right side pre-determined bit assembly, this orientation assemblies includes that orientation connects seat
(26), orientation base (27), orientation device (28) and position plate (29)；Described orientation connects seat (26) in horizontal positioned, one
Holding be connected fixing with end face connecting plate (1), the other end is positioned at below the axle journal of camshaft (5)；Described orientation base (27)
Lower end is connected to the orientation below the axle journal of camshaft (5) and connects on seat (26), and the lower end of orientation device (28) is screw rod and passes through
The adjustable upper end being connected to orient base (27) of height of nut, the lower end of position plate (29) is connected to orientation device (28) upper end,
Position plate (29) upper end is the locating slot matched with camshaft (5) axle journal cylindrical.
Camshaft mandrel end centre bore processing tool the most according to claim 4, it is characterised in that: described gas check
Between right-hand end clamp assemblies and middle clamp assemblies, gas check includes that mechanical valve (31), triggering block (32), valve are even
Fishplate bar (30) and block connecting plate (33)；Described valve connecting plate (30) is L-shaped, is wherein fixedly connected on end face connecting plate
(1), on, the valve body of mechanical valve (31) is fixedly connected on the other of valve connecting plate (30)；Described block connecting plate (33) is in L
Shape, is wherein fixedly connected on the sidewall of top shoe (11), and one end of triggering block (32) is connected to the another of block connecting plate (33)
Outer one side, the other end of triggering block (32) triggers with the control end of mechanical valve (31) or disengages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610657957.2A CN106271753B (en) | 2016-08-11 | 2016-08-11 | Camshaft mandrel end centre bore processing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610657957.2A CN106271753B (en) | 2016-08-11 | 2016-08-11 | Camshaft mandrel end centre bore processing tool |
Publications (2)
| Publication Number | Publication Date |
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| CN106271753A true CN106271753A (en) | 2017-01-04 |
| CN106271753B CN106271753B (en) | 2018-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610657957.2A Active CN106271753B (en) | 2016-08-11 | 2016-08-11 | Camshaft mandrel end centre bore processing tool |
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| CN107877226A (en) * | 2017-12-18 | 2018-04-06 | 苏州精锐精密机械有限公司 | The horizontal adaptive binding clasp of multi-work piece |
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| CN108296826A (en) * | 2018-02-08 | 2018-07-20 | 无锡瑞真精机股份有限公司 | It is a kind of at blank mould mold Flexible Manufacture fixture |
| CN109318012A (en) * | 2018-11-23 | 2019-02-12 | 宁波三钻工业有限公司 | A kind of double-side cutting device of worm gear shaft |
| CN109202111A (en) * | 2018-11-26 | 2019-01-15 | 安徽全柴动力股份有限公司 | A kind of camshaft processing clamping device and working method |
| CN116984654A (en) * | 2023-08-31 | 2023-11-03 | 滨州鲁德曲轴有限责任公司 | Camshaft tip centre bore processing frock |
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Address after: 315100 No. 788, JINDA Road, Yinzhou District, Ningbo City, Zhejiang Province Patentee after: Ningbo Shenglong Zhizao camshaft Co.,Ltd. Address before: No. 788, JINDA Road, investment and entrepreneurship center, Yinzhou District, Ningbo City, Zhejiang Province, 315104 Patentee before: NINGBO SHENGLONG PCL CAMSHAFTS Co.,Ltd. |