CN206200584U - The clamping device of camshaft mandrel end centre bore processing tool - Google Patents
The clamping device of camshaft mandrel end centre bore processing tool Download PDFInfo
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- CN206200584U CN206200584U CN201620864829.0U CN201620864829U CN206200584U CN 206200584 U CN206200584 U CN 206200584U CN 201620864829 U CN201620864829 U CN 201620864829U CN 206200584 U CN206200584 U CN 206200584U
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Abstract
The utility model discloses a kind of clamping device of camshaft mandrel end centre bore processing tool, it includes clamping device in the middle of the two groups of end clamping devices in left and right and a group, two groups of end clamping devices and one group of centre clamping device are both connected on the connecting plate of processing tool, radial direction chuck (3) in the clamping device of end is clamped or disengaged with the blank periphery of camshaft (1) end, and the step surface of the support axle journal (2) in the middle part of axial chuck (4) and camshaft (1) in middle clamp assemblies is clamped or disengaged.After using above structure, self-centering purpose is realized, exclude uncertainty and subjectivity that artificial operation brings to the clamping of camshaft, make clamping more firm, balanced, final improve production efficiency.
Description
Technical field
The utility model is related to the processing technique field of camshaft, is especially a kind of camshaft mandrel end center hole machined work
The clamping device of dress.
Background technology
The manufacture method of traditional camshaft has varied, there is steel pipe inner swelling method, internal hydraulic pressure method, hot jacket method, powder
Metallurgy method, knurling connection method and press-fit method etc..No matter the camshaft which kind of method is manufactured, be required for coming real by finishing
The processing request of existing each camshaft, such as in the end face machining center hole of camshaft.Therefore, when these centre bores are processed,
Typically camshaft is arranged on lathe by frock clamp and is processed.In the prior art, most enterprises are added using horizontal
Work center is processed to the centre bore of camshaft.Such as disclosed Publication No. on State Intellectual Property Office website
" camshaft end face milling centering frock " patent of CN103769887A, it includes base plate, and both sides set V-shape base, behind middle part
Side sets horizontal pedestal, and adjustment axle is provided with the inner chamber of horizontal pedestal, is stretched out from two ends, and inner chamber is provided with spring, is installed on
On adjustment axle, one end offsets with inner face, and one end offsets with the shaft shoulder, and the right-hand member for adjusting axle sets right side shifting block, the adjustment on right side
Set on axle and sold up, left end is provided with left side shifting block, nut fixes locking；There are locating piece, locating piece rear side on the right side of base plate
Support positioning plates are set, support nail is set in support positioning plates, the left side of base plate sets pin.But, this camshaft centre bore
Processing, there is problems with：Due in the prior art, axial workpiece when the centre bore at two ends is processed, the folder of its frock
Face usually machined surface is held, and clamped condition is also to judge to determine by human subjective, therefore, on the one hand clamp
Power is excessive to easily cause the deformation of clamping face, so as to destroy the surface quality of camshaft, another aspect clamping force cannot be controlled accurately
System, the stress balance of either large or small camshaft when can all influence machining cam axle two ends centre bore, so as to cause whole cam
The deformation of axle.
Utility model content
Technical problem to be solved in the utility model is to provide one kind can make clamping more with self-centering clamp cam axle
Plus it is firm, balanced, so that the clamping device of the camshaft mandrel end centre bore processing tool of improve production efficiency.
In order to solve the above technical problems, the clamping dress of the camshaft mandrel end centre bore processing tool that the utility model is provided
Put, it includes clamping device in the middle of the two groups of end clamping devices in left and right and a group, two groups of end clamping devices and one group of centre folder
Hold mechanism to be both connected on the connecting plate of processing tool, outside the blank of the radial direction chuck in the clamping device of end and camshaft mandrel end
Disc is clamped or disengaged, and the axial chuck in middle clamp assemblies is clamped or de- with the step surface for supporting axle journal in the middle part of camshaft
Open.
In two groups of end clamping devices, every group of end clamping device also includes end Holding seat, top shoe, downslide
Block, end clamping pressing plate and end clamping drive component；One end of described end Holding seat is fixedly connected on processing tool
Connecting plate on, the center of the end face of the other end be provided with the vertical direction of intersection vertical chute and horizontal direction transverse direction it is recessed
Groove, end clamping pressing plate is connected in transverse concave groove；One end of described top shoe is slidably connected at more than end clamping pressing plate
In partial vertical chute, the other end is connected with radial direction chuck；One end of described sliding block is slidably connected at end clamping pressure
In the vertical chute of part below plate, the other end is connected with radial direction chuck, and the radial direction chuck on top shoe and sliding block is made respectively
For camshaft mandrel end；Described end clamping drive component is connected in the Holding seat of end, and its drive end is located at top shoe
It is connected and sliding block between and with top shoe and sliding block simultaneously.
Described end clamping drive component includes driving cylinder cap, piston rod, piston and drive block；Described end clamping
There is cavity in base, drive cylinder cap to be fixedly connected on the end Holding seat of the connecting plate side of processing tool, it is living
Plug is connected as a single entity with piston rod, and piston is slidably fitted in the cavity of end Holding seat, one end and the driving cylinder cap of piston rod
It is slidably connected, 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, drives
The lower end of block is flexibly connected with sliding block.
The groove depth size of described vertical chute is more than the groove depth size of transverse concave groove, positioned at the end of vertical chute part
Being formed between clamping pressing plate bottom surface and vertical chute is available for top shoe or the vertically slidable stopper slot of sliding block, drive block to be located at
In the space formed between top shoe, sliding block, end clamping pressing plate and end Holding seat；The lower end of described top shoe sets
The upper end for having inclined upper T-slot, sliding block is provided with inclined lower T-slot, and the upper end of drive block has and the matching of upper T-slot
Inclined T-shaped head, the lower end of drive block has the inclined T-shaped head matched with lower T-slot；Described upper T-slot and lower T-slot
Incline direction be, with the axis of piston rod as symmetrically arranged, and to be more than near the space openings of end Holding seat side
Near the space openings of end clamping pressing plate side.
Described middle clamping device includes middle Holding seat, left slider, right sliding block, middle clamping pressing plate and middle folder
Hold drive component；One end of described middle Holding seat is fixedly connected on the connecting plate of processing tool, the end face of the other end
Center be provided with intersection horizontal direction horizontal concrete chute and the vertical groove of vertical direction, centre clamping pressing plate be connected to it is perpendicular
To in groove；One end of described left slider is slidably connected at middle clamping pressing plate with the horizontal concrete chute of left half, the other end
It is connected with axial chuck；One end of described right sliding block is slidably connected at middle clamping pressing plate with the horizontal concrete chute of right half,
The other end is connected with axial chuck, and the axial chuck on left slider and right sliding block is respectively acting on the support axle journal in the middle part of camshaft
At step surface；Clamping drive component is connected between in Holding seat in the middle of described, and its drive end is located on left slider and the right side
It is connected between sliding block and with left slider and right sliding block simultaneously.
After above structure, the utility model compared with prior art, has the following advantages that：The clamping list of this frock
The clamping face that unit is worked is the blank periphery without processing of camshaft mandrel end, and camshaft is first by left and right two ends
To the two ends synchronous clamping of camshaft, then middle clamping device is clamped end clamping device to camshaft middle part, and asks
The heart, is micro-adjusted at the clamping for making camshaft two ends, then the end clamp assemblies at left and right two ends complete final clamping, so that real
Existing self-centering purpose, excludes uncertainty and subjectivity that artificial operation brings to the clamping of camshaft, makes clamping more firm
Solid, equilibrium, final improve production efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the clamping device of the utility model camshaft mandrel end centre bore processing tool.
Fig. 2 is the cross section structure diagram of the utility model medial end portions clamping device.
Wherein, 1, camshaft；2nd, axle journal is supported；3rd, radial direction chuck；4th, axial chuck；5th, end Holding seat；6th, upper cunning
Block；7th, sliding block；8th, end clamping pressing plate；9th, vertical chute；10th, transverse concave groove；11st, middle Holding seat；12nd, middle clamping
Pressing plate；13rd, left slider；14th, right sliding block；15th, horizontal concrete chute；16th, vertical groove；17th, cavity；18th, cylinder cap is driven；19th, piston
Bar；20th, piston；21st, drive block；22nd, upper T-slot；23rd, lower T-slot.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
The structure of the clamping device of the utility model camshaft mandrel end centre bore processing tool as shown in Fig. 1 and Fig. 2 is shown
It is intended to understand, it includes clamping device in the middle of the two groups of end clamping devices in left and right and a group, two groups of end clamping devices and one group
Middle clamping device is both connected on the connecting plate of processing tool, the radial direction chuck 3 in the clamping device of end and the end of camshaft 1
Blank periphery clamp or disengage, the platform of axial chuck 4 in middle clamp assemblies and the support axle journal 2 at the middle part of camshaft 1
Terrace is clamped or disengaged.
In two groups of end clamping devices, every group of end clamping device also include end Holding seat 5, top shoe 6, under
Sliding block 7, end clamps pressing plate 8 and end clamping drive component.One end of described end Holding seat 5 is fixedly connected on processing
On the connecting plate of frock, the center of the end face of the other end is provided with the vertical chute 9 and horizontal direction of the vertical direction of intersection
Transverse concave groove 10, end clamping pressing plate 8 is connected in transverse concave groove 10.One end of described top shoe 6 is slidably connected at end
Clamp in the vertical chute 9 of the above section of pressing plate 8, the other end is connected with radial direction chuck 3.Slide one end of described sliding block 7
It is connected in the vertical chute 9 of end clamping pressing plate part below 8, the other end is connected with radial direction chuck 3, top shoe 6 and downslide
Radial direction chuck 3 on block 7 is respectively acting on the end of camshaft 1.Described end clamping drive component is connected to end clamping bottom
In seat 5, its drive end is located between top shoe 6 and sliding block 7 and is connected with top shoe 6 and sliding block 7 simultaneously.
Described end clamping drive component includes driving cylinder cap 18, piston rod 19, piston 20 and drive block 21.Described
There is cavity 17 in end Holding seat 5, drive cylinder cap 18 to be fixedly connected on the end near the connecting plate side of processing tool
On Holding seat 5, piston 20 is connected as a single entity with piston rod 19, and piston 20 is slidably fitted in the cavity 17 of end Holding seat 5,
One end of piston rod 19 is slidably connected with cylinder cap 18 is driven, and the other end is connected through end Holding seat 5 with drive block 21, drives
The upper end of block 21 is flexibly connected with top shoe 6, and the lower end of drive block 21 is flexibly connected with sliding block 7.
The groove depth size of described vertical chute 9 is more than the groove depth size of transverse concave groove 10, positioned at the part of vertical chute 9
End clamps to be formed between the bottom surface of pressing plate 8 and vertical chute 9 and is available for top shoe 6 or the vertically slidable stopper slot of sliding block 7, drives
Motion block 21 is located in the space formed between top shoe 6, sliding block 7, end clamping pressing plate 8 and end Holding seat 5.Described
The lower end of top shoe 6 is provided with inclined upper T-slot 22, and the upper end of sliding block 7 is provided with inclined lower T-slot 23, drive block 21
Upper end has the inclined T-shaped head matched with upper T-slot 22, and the lower end of drive block 21 has the inclination matched with lower T-slot 23
T-shaped head.Described upper T-slot 22 and the incline direction of lower T-slot 23 be with the axis of piston rod 19 as symmetrically arranged, and
And the space openings near the side of end Holding seat 5 are more than the space openings near end clamping pressing plate 8 side.
Described middle clamping device includes middle Holding seat 11, left slider 13, right sliding block 14, middle clamping pressing plate 12
With centre clamping drive component.One end of described middle Holding seat 11 is fixedly connected on the connecting plate of processing tool, separately
The center of the end face of one end is provided with the horizontal concrete chute 15 of the horizontal direction of intersection and the vertical groove 16 of vertical direction, centre folder
Pressing plate 12 is held to be connected in vertical groove 16.One end of described left slider 13 is slidably connected at middle clamping pressing plate 12 with left part
In the horizontal concrete chute 15 for dividing, the other end is connected with axial chuck 4.One end of described right sliding block 14 is slidably connected at middle clamping
Pressing plate 12 is so that in the horizontal concrete chute 15 of right half, the other end is connected with axial chuck 4, the axial direction on left slider 13 and right sliding block 14
Chuck 4 is respectively acting at the step surface of support axle journal 2 at the middle part of camshaft 1.During clamping drive component is connected in the middle of described
Between in Holding seat 11, its drive end be located between left slider 13 and right sliding block 14 and simultaneously with left slider 13 and right sliding block 14
Connection.
The operation principle of this frock is：Start the end clamping drive component in the clamping device of end, piston 20 is to processing
The connecting plate direction movement of frock, drives drive block 21 to be moved to the connecting plate direction of processing tool, in upper T by piston rod 19
Under the mating reaction of shape groove 22, lower T-slot 23 and the upper and lower side T-shaped of drive block 21 head, by top shoe 6 and sliding block 7 while in
Furthered at the heart, until upper and lower two radial direction chucks 3 have a pre- clamping to camshaft 1.Then the middle drive in the middle of in clamping device
Dynamic component action, drives left slider 13 and right sliding block 14 to be furthered to center, until the axial chuck 4 in left and right two is clamped in cam
2 or so two ends of support axle journal of the middle position of axle 1, and carry out voluntarily alignment.In restarting end clamping device
End clamping drive component, the two ends of camshaft 1 is finally clamped by radial direction chuck 3.
The above, is only the preferably feasible implementation example of the utility model, it is impossible to therefore limit to of the present utility model
Interest field, it is for those skilled in the art, all to be made with the technical solution of the utility model and technology design
Other it is various it is corresponding change should all belong within the utility model scope of the claims.
Claims (5)
1. a kind of clamping device of camshaft mandrel end centre bore processing tool, it is characterised in that：It includes two groups of left and right end folder
Clamping device in the middle of mechanism and one group is held, two groups of end clamping devices and one group of centre clamping device are both connected to processing tool
On connecting plate, the radial direction chuck (3) in the clamping device of end is clamped or disengaged with the blank periphery of camshaft (1) end, in
Between the step surface of support axle journal (2) in the middle part of axial chuck (4) in clamp assemblies and camshaft (1) clamp or disengage.
2. the clamping device of camshaft mandrel end centre bore processing tool according to claim 1, it is characterised in that：Described two
In group end clamping device, every group of end clamping device also includes end Holding seat (5), top shoe (6), sliding block (7), end
Portion clamps pressing plate (8) and end clamping drive component；One end of described end Holding seat (5) is fixedly connected on processing tool
Connecting plate on, the center of the end face of the other end is provided with vertical chute (9) and the horizontal stroke of horizontal direction of the vertical direction of intersection
To groove (10), end clamps pressing plate (8) and is connected in transverse concave groove (10)；One end of described top shoe (6) is slidably connected
In the vertical chute (9) of end clamping pressing plate (8) above section, the other end is connected with radial direction chuck (3)；Described sliding block
(7) one end is slidably connected in the vertical chute (9) of end clamping pressing plate (8) following part, and the other end is connected with radially folder
Head (3), the radial direction chuck (3) on top shoe (6) and sliding block (7) is respectively acting on camshaft (1) end；Described end folder
Hold drive component to be connected in end Holding seat (5), its drive end is positioned between top shoe (6) and sliding block (7) and simultaneously
It is connected with top shoe (6) and sliding block (7).
3. the clamping device of camshaft mandrel end centre bore processing tool according to claim 2, it is characterised in that：Described
End clamping drive component includes driving cylinder cap (18), piston rod (19), piston (20) and drive block (21)；Described end folder
Holding has cavity (17) in base (5), drive cylinder cap (18) to be fixedly connected on the end near the connecting plate side of processing tool
On Holding seat (5), piston (20) is connected as a single entity with piston rod (19), and piston (20) is slidably fitted in end Holding seat (5)
Cavity (17) in, one end of piston rod (19) is slidably connected with cylinder cap (18) is driven, and the other end is through end Holding seat (5)
It is connected with drive block (21), the upper end of drive block (21) is flexibly connected with top shoe (6), the lower end of drive block (21) and sliding block
(7) it is flexibly connected.
4. the clamping device of camshaft mandrel end centre bore processing tool according to claim 3, it is characterised in that：Described
The groove depth size of the groove depth size more than transverse concave groove (10) of vertical chute (9), the end positioned at vertical chute (9) part clamps
Formed between pressing plate (8) bottom surface and vertical chute (9) and be available for top shoe (6) or the vertically slidable stopper slot of sliding block (7), driven
Motion block (21) clamps the sky formed between pressing plate (8) and end Holding seat (5) positioned at top shoe (6), sliding block (7), end
It is interior；The lower end of described top shoe (6) is provided with inclined upper T-slot (22), and the upper end of sliding block (7) is provided with inclined lower T
Shape groove (23), the upper end of drive block (21) has the inclined T-shaped head matched with upper T-slot (22), the lower end of drive block (21)
With the inclined T-shaped head matched with lower T-slot (23)；Described upper T-slot (22) and the incline direction of lower T-slot (23) are
Axis with piston rod (19) is close to the space openings of end Holding seat (5) side more than close as symmetrically arranged
End clamps the space openings of pressing plate (8) side.
5. the clamping device of camshaft mandrel end centre bore processing tool according to claim 3, it is characterised in that：Described
Middle clamping device includes middle Holding seat (11), left slider (13), right sliding block (14), middle clamping pressing plate (12) and centre
Clamping drive component；One end of described middle Holding seat (11) is fixedly connected on the connecting plate of processing tool, the other end
End face center be provided with intersection horizontal direction horizontal concrete chute (15) and the vertical groove (16) of vertical direction, centre folder
Pressing plate (12) is held to be connected in vertical groove (16)；One end of described left slider (13) is slidably connected at middle clamping pressing plate
(12) so that in the horizontal concrete chute (15) of left half, the other end is connected with axial chuck (4)；Slide one end of described right sliding block (14)
It is dynamic to be connected between clamping pressing plate (12) so that in the horizontal concrete chute (15) of right half, the other end is connected with axial chuck (4), left cunning
Axial chuck (4) on block (13) and right sliding block (14) is respectively acting on support axle journal (2) step surface in the middle part of camshaft (1)
Place；Clamping drive component is connected between in Holding seat (11) in the middle of described, its drive end be located in left slider (13) and
It is connected between right sliding block (14) and with left slider (13) and right sliding block (14) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620864829.0U CN206200584U (en) | 2016-08-11 | 2016-08-11 | The clamping device of camshaft mandrel end centre bore processing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620864829.0U CN206200584U (en) | 2016-08-11 | 2016-08-11 | The clamping device of camshaft mandrel end centre bore processing tool |
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| Publication Number | Publication Date |
|---|---|
| CN206200584U true CN206200584U (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620864829.0U Active CN206200584U (en) | 2016-08-11 | 2016-08-11 | The clamping device of camshaft mandrel end centre bore processing tool |
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| CN (1) | CN206200584U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202497A (en) * | 2018-11-22 | 2019-01-15 | 宁波健实机械有限公司 | A kind of crankshaft drilling clamping device |
| CN112975455A (en) * | 2021-03-01 | 2021-06-18 | 沈阳机床股份有限公司 | High-speed horizontal machining center machine tool |
-
2016
- 2016-08-11 CN CN201620864829.0U patent/CN206200584U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202497A (en) * | 2018-11-22 | 2019-01-15 | 宁波健实机械有限公司 | A kind of crankshaft drilling clamping device |
| CN109202497B (en) * | 2018-11-22 | 2021-07-06 | 宁波健实机械有限公司 | Crankshaft drilling clamping device |
| CN112975455A (en) * | 2021-03-01 | 2021-06-18 | 沈阳机床股份有限公司 | High-speed horizontal machining center machine tool |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
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. |