CN207606556U - A kind of fixture of accurate processing automobile engine cylinder head - Google Patents
A kind of fixture of accurate processing automobile engine cylinder head Download PDFInfo
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- CN207606556U CN207606556U CN201721894328.8U CN201721894328U CN207606556U CN 207606556 U CN207606556 U CN 207606556U CN 201721894328 U CN201721894328 U CN 201721894328U CN 207606556 U CN207606556 U CN 207606556U
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- 230000007246 mechanism Effects 0.000 claims abstract description 44
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Abstract
The utility model provides a kind of fixture of accurate processing automobile engine cylinder head, including bottom plate, clamping device and switching mechanism；Clamping device includes the first mounting wall, the second mounting wall, multiple positioning columns, multiple hold-down columns and multiple Linear scaling mechanisms；Switching mechanism includes passive rotating device and active rotation device；Passive rotating device includes the first fixed seat, the first rotating disc and the first fixation disk；Active rotation device includes the second fixed seat, the second rotating disc, the second fixation disk and actuating unit.In use, in the case of cylinder cap not clamped mechanism clamping, after cylinder cap being overturn preset angle by switching mechanism, then clamped mechanism clamping, without the process of worker's repeated removal and installation, working efficiency can be improved.The quality that the processing efficiency of engine cylinder cover product can be promoted using this kind of fixture, improve the precision of engine cylinder cover product after processing, improve engine cylinder cover product after processing.
Description
Technical field
The utility model is related to technical field of engines, in particular to a kind of accurate processing automotive engine cylinder
The fixture of lid.
Background technology
Cylinder cap is the component part of combustion chamber, and cylinder cap is mounted on the upper surface of cylinder body, from top seal cylinder and constitutes burning
Room.It is also equipped with Valve seat on cylinder cap, valve guide hole, for being installed into, exhaust valve, also inlet channel and exhaust is logical
Road etc..
Currently, in automobile engine cylinder head mechanical processing process, need to be processed cylinder cap clamping position, Er Qiejing
Often the different parts from different angles to cylinder cap is needed to be processed, under conditions of process equipment angle is unadjustable, then
It needs worker repeatedly to dismantle and be clamped cylinder cap to overturn cylinder cap, unreasonable, worker's dismounting and folder is designed for fear of fixture and cylinder cap
The process held is time-consuming longer, less efficient.
Utility model content
One of the purpose of this utility model is to provide a kind of fixture of accurate processing automobile engine cylinder head.
At least one of in order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
A kind of fixture of accurate processing automobile engine cylinder head, including bottom plate, clamping device and switching mechanism；The folder
It includes the first mounting wall, the second mounting wall, multiple positioning columns, multiple hold-down columns and multiple Linear scaling mechanisms to hold mechanism；It is described
First mounting wall and second mounting wall are both secured to the bottom plate, first mounting wall and second mounting wall interval
It is arranged so as to describe the grasping part received between the two；The hold-down column is fixed on first mounting wall and is located at the clamping
Space；The Linear scaling mechanism is fixedly installed in second mounting wall, and the hold-down column is installed on the Linear scaling machine
The power head and quantity of structure are identical；
The switching mechanism includes passive rotating device and active rotation device；The passive rotating device includes first solid
Reservation, the first rotating disc and first fix disk；The first fixation disk is connected with first fixed seat, first rotating disc
Be rotatably coupled with the first fixation disk, the rotational axis line of first rotating disc be parallel to the top surface of the bottom plate and
Perpendicular to the telescopic direction of the Linear scaling mechanism；The diameter of first rotating disc is more than described first and fixes disk and described
Multiple bolts hole are arranged in the edge of first rotating disc；The active rotation device includes the second fixed seat, the second rotating disc, second
Fixed disk and actuating unit；The second fixation disk is connected with second fixed seat, second rotating disc and described second
Fixed disk is rotatably coupled, and the rotational axis line of second rotating disc is parallel to the top surface of the bottom plate and perpendicular to described
The telescopic direction of Linear scaling mechanism；The diameter of second rotating disc is more than described first and fixes disk and first rotating disc
Edge multiple bolts hole are set；The actuating unit is for driving the second rotation disc spins；The rotation of first rotating disc
The rotational axis line of axial line and the second rotating disc overlaps；
First fixed seat and second fixed seat are slidably mounted on the both sides of the clamping device, and described
The glide direction of one fixed seat and second fixed seat is parallel with the telescopic direction of Linear scaling mechanism.
Further, in the alternative embodiment of the utility model, the actuating unit include ratchet, pawl, oscillating rod,
Connecting rod, guide cylinder, sliding block and hydraulic cylinder；Described second fixes in disk with installation cavity, the ratchet, the pawl, the pendulum
Lever and the connecting rod may be contained in the installation cavity, and the guide cylinder, which is fixed on described second, fixes disk and the guide cylinder
The center line radial setting of fixing disk along described second, the both ends of the guide cylinder are located in the installation cavity and described
Second fixes outside disk, and the sliding block is slideably positioned in the guide cylinder, and the ratchet is fixedly connected with the second fixation disk,
One end of the oscillating rod is fixedly and coaxially connected with second rotating disc and the other end is connect with the pawl rotation, the company
The both ends of bar are hinged with the oscillating rod and the sliding block respectively；The telescopic rod of the hydraulic cylinder is connect with the sliding block, described
The cylinder body of hydraulic cylinder is fixedly connected with the guide cylinder.
Further, it in the alternative embodiment of the utility model, is also associated between the pawl and the oscillating rod
Spring, so that the pawl is held against with the ratchet.
Further, in the alternative embodiment of the utility model, the fixture further includes the first return springs, described
The both ends of first return springs are connect with the bottom plate and first fixed seat respectively, to push cylinder cap far from the positioning
Column.
Further, in the alternative embodiment of the utility model, the fixture further includes the second return springs, described
The both ends of second return springs are connect with the bottom plate and second fixed seat respectively, to push cylinder cap far from the positioning
Column.
Further, in the alternative embodiment of the utility model, the first fixation disk and first fixed seat are logical
Multi-link structure connection is crossed, so that the first fixation disk is adjustable relative to the horizontal position of first fixed seat.
Further, in the alternative embodiment of the utility model, the multi-link structure includes at least three axis pins and connects
The connecting rod connect, the axial line of the axis pin perpendicular to the top surface of the bottom plate, the connecting rod at the multi-link structure both ends respectively with
Described first fixes disk and first fixed seat connection.
Further, in the alternative embodiment of the utility model, the both sides of the clamping device are each provided with one group and lead
Rail and two groups of guide rails are mutually parallel, the passive rotating device and the active rotation device are slidably mounted on described two groups
Guide rail.
Further, in the alternative embodiment of the utility model, the end of the positioning column and the hold-down column is arranged
There is round and smooth chamfering.
Further, in the alternative embodiment of the utility model, the Linear scaling mechanism is cylinder, the cylinder
Cylinder body is fixed on second mounting wall, and the telescopic rod of the cylinder is fixedly and coaxially connected with the hold-down column.
The beneficial effects of the utility model include：The utility model is sent out by the accurate processing automobile that above-mentioned design obtains
The fixture of motivation cylinder cap can be by switching mechanism by cylinder cap in use, in the case of cylinder cap clamped mechanism clamping
After overturning preset angle, then clamped mechanism clamping, without the process of worker's repeated removal and installation, work can be improved
Make efficiency.And after being overturn by switching mechanism in clamping, since by dismantling installation process, Working position is not more
Precisely.
Using this kind of fixture can be promoted engine cylinder cover product processing efficiency, improve processing after engine cylinder cover product
Precision, improve processing after engine cylinder cover product quality.
Description of the drawings
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
The restriction to range is should be considered as, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the schematic diagram of the fixture for the accurate processing automobile engine cylinder head that the utility model embodiment provides；
Fig. 2 is that actuating unit and second fix the schematic diagram of disk；
Fig. 3 is the schematic diagram of the matched cylinder cap of fixture provided with the utility model embodiment；
Fig. 4 is the end view of cylinder cap ontology；
Fig. 5 is the schematic diagram of cylinder cap ontology；
Fig. 6 is after cylinder cap is clamped the fixture for the accurate processing automobile engine cylinder head that the utility model embodiment provides
Schematic diagram.
Icon：The fixture 10 of accurate processing automobile engine cylinder head；Bottom plate 100；Guide rail 110；First return springs
120；Second return springs 130；Clamping device 200；First mounting wall 210；Second mounting wall 220；Positioning column 230；It compresses
Column 240；Linear scaling mechanism 250；Passive rotating device 300；First fixed seat 310；First rotating disc 320；First fixes disk
330；Multi-link structure 340；Active rotation device 400；Second fixed seat 410；Second rotating disc 420；Second fixes disk 430；
Ratchet 431；Pawl 432；Oscillating rod 433；Connecting rod 434；Guide cylinder 435；Sliding block 436；Hydraulic cylinder 437；Automobile engine cylinder head
50；Ontology 510；First connecting plate 520；Second connecting plate 530；First stud 540；Second stud 550；First setscrew
560；Second setscrew 570；Locating slot 580；Mounting hole 590.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on this practicality
Embodiment in novel, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit claimed the scope of the utility model, but is merely representative of the utility model
Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under the premise of dynamic, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Described convenient for description the utility model and simplifying, do not indicate or imply the indicated equipment or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
It is connected directly, can also can be indirectly connected through an intermediary the mutual of connection inside two elements or two elements
Interactively.For the ordinary skill in the art, it can understand that above-mentioned term is new in this practicality as the case may be
Concrete meaning in type.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features are in direct contact, and can also not be to be in direct contact but lead to including the first and second features
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only
Indicate that fisrt feature level height is less than second feature.
Embodiment
Referring to Fig. 1, a kind of fixture 10 of accurate processing automobile engine cylinder head comprising bottom plate 100, clamping device
200 and switching mechanism.
Clamping device 200 includes the first mounting wall 210, the second mounting wall 220, multiple positioning columns 230, multiple hold-down columns
240 and multiple Linear scaling mechanisms 250；First mounting wall 210 and the second mounting wall 220 are both secured to bottom plate 100, the first installation
Wall 210 and the second mounting wall 220 interval are arranged so as to describe the grasping part received between the two；Hold-down column 240 is fixed on first
Mounting wall 210 and be located at grasping part；Linear scaling mechanism 250 is fixedly installed in the second mounting wall 220, and hold-down column 240 is installed
It is identical in the power head and quantity of Linear scaling mechanism 250.In the present embodiment, Linear scaling mechanism 250 and hold-down column 240 are
Two.
Switching mechanism includes passive rotating device 300 and active rotation device 400；Passive rotating device 300 includes first
Fixed seat 310, the first rotating disc 320 and first fix disk 330；First fixation disk 330 and the connection of the first fixed seat 310, first
Rotating disc 320 and first is fixed disk 330 and is rotatably coupled, and the rotational axis line of the first rotating disc 320 is parallel to bottom plate 100
Top surface and perpendicular to the telescopic direction of Linear scaling mechanism 250；The diameter of first rotating disc 320 be more than first fix disk 330 and
Multiple bolts hole are arranged in the edge of first rotating disc 320；Active rotation device 400 includes the second fixed seat 410, the second rotating disc
420, second disk 430 and actuating unit are fixed；Second fixes disk 430 and the connection of the second fixed seat 410,420 He of the second rotating disc
Second fixation disk 430 is rotatably coupled, and the rotational axis line of the second rotating disc 420 is parallel to the top surface of bottom plate 100 and vertical
In the telescopic direction of Linear scaling mechanism 250；The diameter of second rotating disc 420 is more than first and fixes disk 330 and the first rotating disc
Multiple bolts hole are arranged in 320 edge；Actuating unit is for driving the rotation of the second rotating disc 420.The rotation of first rotating disc 320
The rotational axis line of axial line and the second rotating disc 420 overlaps.
First rotating disc 320 and the second rotating disc 420 are used to be connected to the both ends of cylinder cap, when actuating unit drives second turn
When Moving plate 420 rotates, cylinder cap can be driven to overturn.The bolt hole of first rotating disc 320 and the setting of 420 edge of the second rotating disc,
Be in order to which the first rotating disc 320 and the second rotating disc 420 are connect with cylinder cap, such cylinder cap could and the first rotating disc 320 and
Second rotating disc 420 rotates together.
First fixed seat 310 and the second fixed seat 410 are slidably mounted on the both sides of clamping device 200, and first fixes
The glide direction of seat 310 and the second fixed seat 410 is parallel with the telescopic direction of Linear scaling mechanism 250.
Hold-down column 240 can be bounced back by Linear scaling mechanism 250, and avoid limitation cylinder cap overturning.And make the first fixation
Seat 310 and the second fixed seat 410 slidably, primarily to before overturning, first move together cylinder cap and switching mechanism, so that
The remotely located column of cylinder cap 230.Cylinder cap will not be limited in overturning by positioning column 230 in this way.
Further, in the alternative embodiment of the utility model, referring to Fig. 2, actuating unit includes ratchet 431, spine
Pawl 432, oscillating rod 433, connecting rod 434, guide cylinder 435, sliding block 436 and hydraulic cylinder 437.Second fixes in disk 430 with installation
Chamber, ratchet 431, pawl 432, oscillating rod 433 and connecting rod 434 may be contained in installation cavity.Guide cylinder 435 is fixed on the second fixation
The radial setting that the center line of disk 430 and guide cylinder 435 fixes disk 430 along second, the both ends of guide cylinder 435 are located at installation
Intracavitary and second is fixed outside disk 430, and sliding block 436 is slideably positioned in guide cylinder 435.Ratchet 431 and second is fixed disk 430 and is fixed
Connection, one end of oscillating rod 433 is fixedly and coaxially connected with the second rotating disc 420 and the other end is rotatablely connected with pawl 432.Connecting rod
434 both ends are hinged with oscillating rod 433 and sliding block 436 respectively.The telescopic rod of hydraulic cylinder 437 is connect with sliding block 436, hydraulic cylinder
437 cylinder body is fixedly connected with guide cylinder 435.
When hydraulic cylinder 437 drives sliding block 436 to slide, oscillating rod 433 and connecting rod 434 can be pushed to move, and then push
Second rotating disc 420 rotates certain angle, while pawl 432 also rotates together certain angle, and pawl 432 turns to centainly
Angle can be stuck on the tooth of ratchet 431, and the characteristics of due to 431 pawl 432 of ratchet, even when the second rotating disc
420 rotations are excessive, and can suitably retract a little makes pawl 432 be against on the tooth of ratchet 431, and rotational angle can be ratchet
As soon as 431 tooth pitch or multiple tooth pitches, to compare the angle for being accurately controlled rotation.
Further, in the alternative embodiment of the utility model, bullet is also associated between pawl 432 and oscillating rod 433
Spring, so that pawl 432 is held against with ratchet 431.
Further, in the alternative embodiment of the utility model, fixture further includes the first return springs 120, and first
The both ends of return springs 120 are connect with bottom plate 100 and the first fixed seat 310 respectively, to push the remotely located column of cylinder cap 230.
Further, in the alternative embodiment of the utility model, fixture further includes the second return springs 130, and second
The both ends of return springs 130 are connect with bottom plate 100 and the second fixed seat 410 respectively, to push the remotely located column of cylinder cap 230.
First return springs 120 are set and the second return springs 130 may be implemented, when clamping device 200 unclamps cylinder cap, cylinder cap
And switching mechanism can automatically reset.If being not provided with the first return springs 120 and the second return springs 130, also may be used
To pass through hand-reset.First return springs 120 and the second return springs 130 may each be spring.
Further, in the alternative embodiment of the utility model, the first fixation disk 330 and the first fixed seat 310 pass through
Multi-link structure 340 connects, so that the first fixation disk 330 is adjustable relative to the horizontal position of the first fixed seat 310.
Further, in the alternative embodiment of the utility model, multi-link structure 340 includes at least three axis pins and connects
Connecting rod 434, the axial line of axis pin is perpendicular to the top surface of bottom plate 100, and the connecting rod 434 at 340 both ends of multi-link structure is respectively with
One fixes disk 330 and the connection of the first fixed seat 310.
This multi-link structure 340 can ensure that rigid cylinder cap will not be sagging, meanwhile, when installing cylinder cap, first can be made
Rotating disc 320 and the first position far from cylinder cap of the second rotating disc 420, after waiting cylinder caps to be put into grasping part, then make the first rotating disc
320 and second rotating disc 420 connect close to cylinder cap, and with cylinder cap.
Further, in the alternative embodiment of the utility model, the both sides of clamping device 200 are each provided with one group of guide rail
110 and two groups of guide rails 110 be mutually parallel, passive rotating device 300 and active rotation device 400 are slidably mounted on two groups and lead
Rail 110.
Further, in the alternative embodiment of the utility model, the end of positioning column 230 and hold-down column 240 is provided with
Round and smooth chamfering.
Further, in the alternative embodiment of the utility model, Linear scaling mechanism 250 is cylinder, the cylinder body of cylinder
It is fixed on the second mounting wall 220, telescopic rod and the hold-down column 240 of cylinder are fixedly and coaxially connected.
In order to coordinate above-mentioned fixture, the present embodiment also to be improved to automobile engine cylinder head 50, with it is easy to use this
Kind fixture.
Specifically, Fig. 3-Fig. 5, a kind of novel automobile engine cylinder head 50 provided in this embodiment, including sheet are please referred to
It is body 510, the first connecting plate 520, the second connecting plate 530, multiple first studs 540, multiple second studs 550, multiple first swollen
Swollen screw 560 and multiple second setscrews 570.Ontology 510 is in rectangular parallelepiped structure, the phase of the length direction of ontology 510 substantially
Multiple mounting holes 590 are both provided with to two end faces.Ontology 510 is provided with multiple locating slots 580 for coordinating with fixture.The
One connecting plate 520 and the second connecting plate 530 are provided with and 590 one-to-one connecting hole of mounting hole.First setscrew 560 is same
When be arranged in mounting hole 590 and connecting hole so that the first connecting plate 520 to be removably attachable to the side of ontology 510.Second
Setscrew 570 is arranged in mounting hole 590 and connecting hole so that the second connecting plate 530 is removably attachable to ontology simultaneously
510 other side.First stud 540 is fixed on the first connecting plate 520, and the second stud 550 is fixed on the second connecting plate 530.
First stud 540 is for the bolt hole on the first rotating disc 320 and installs nut, makes the first connecting plate 520
It is connect with the first rotating disc 320.Second stud 550 is for the bolt hole on the second rotating disc 420 and installs nut, makes the
Two connecting plates 530 are connect with the second rotating disc 420.When cylinder cap after processing is completed, the first connecting plate 520 and second can be connected
Plate 530 is removed.So farthest, reduce on cylinder cap ontology 510 and do unnecessary structure design, and facilitate cylinder cap with
Fixture cooperation installation.
Further, in the alternative embodiment of the utility model, the first setscrew 560 and the second setscrew 570
Include expansion tube and screw rod, expansion tube is made of plastics, and screw rod is metal screw, expansion tube have internal thread and with screw rod spiral shell
Line connects.When expansion tube is made of plastics, to the hole wall of mounting hole 590 almost without damage.
Further, in the alternative embodiment of the utility model, the outer wall of expansion tube is provided with anti-skid chequer.
First setscrew 560 can be by the hole of other functions on ontology 510, by ontology 510 and the first connecting plate
520 are attached.Second setscrew 570 can be connected ontology 510 and second by the hole of other functions on ontology 510
Fishplate bar 530 is attached.
Further, in the alternative embodiment of the utility model, mounting hole 590 is distributed in the edge of ontology 510.
Further, in the alternative embodiment of the utility model, the quantity of mounting hole 590 is more than or equal to three.
Further, in the alternative embodiment of the utility model, locating slot 580 is arranged in pairs, the logarithm of locating slot 580
It is corresponding with preset overturning number.
Further, in the alternative embodiment of the utility model, locating slot 580 is three pairs or more.
Further, in the alternative embodiment of the utility model, the line of each pair of locating slot 580 is by ontology 510
The center line of length direction.
Further, in the alternative embodiment of the utility model, the opening size of locating slot 580 is more than slot bottom ruler
It is very little.The locating slot 580 of this structure is conducive to quickly engage with positioning column 230 or hold-down column 240.
Further, in the alternative embodiment of the utility model, the opening of locating slot 580 is provided with lead-in chamfered.
The clamping and switching process of the fixture and cylinder cap of the present embodiment are described further with reference to Fig. 6.
First, when installing cylinder cap, by setscrew by the both ends of cylinder cap ontology 510 and the first connecting plate 520 and second
Connecting plate 530 is connected and fixed.Then make cylinder telescopic rod bounce back and the first rotating disc 320 and the second rotating disc 420 difference
It is moved towards the left and right sides, to reserve more spaces to cylinder cap, cylinder cap is put into the first mounting wall 210 and the second mounting wall 220
Between grasping part and adjust initial position.Then make the first rotating disc 320 and the second rotating disc 420 close to cylinder cap and with
520 and second connecting plate 530 of corresponding first connecting plate connects.Idle in switching mechanism, clamping device 200 will
Cylinder cap is clamped, and corresponding process equipment is processed cylinder cap.When needing to overturn cylinder cap, clamping device 200 is first passed through
Cylinder cap is unclamped, under the action of return springs, cylinder cap resets, locating slot 580 and positioning column 230 and the hold-down column 240 of cylinder cap
It is detached from, then, the hydraulic cylinder 437 of switching mechanism drives the work of the second rotating disc 420, and cylinder cap is made to overturn certain angle.So
Rear grip mechanism 200 carries out clamping position to cylinder cap again.It should be noted that the preset phase of flip angle and cylinder cap of cylinder cap
When the angle of the line of adjacent two pairs of locating slots 580 matches, it is easier to positioning column 230 and hold-down column 240 be made quickly to be caught in positioning
In slot 580.
It these are only preferred embodiments of the present invention, be not intended to limit the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.It is all the spirit and principles of the utility model it
Interior, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of fixture of accurate processing automobile engine cylinder head, which is characterized in that including bottom plate, clamping device and tipper
Structure；The clamping device includes the first mounting wall, the second mounting wall, multiple positioning columns, multiple hold-down columns and multiple Linear scalings
Mechanism；First mounting wall and second mounting wall are both secured to the bottom plate, first mounting wall and described second
Mounting wall interval is arranged so as to describe the grasping part received between the two；The hold-down column is fixed on first mounting wall and position
In the grasping part；The Linear scaling mechanism is fixedly installed in second mounting wall, and the hold-down column is installed on described
The power head and quantity of Linear scaling mechanism are identical；
The switching mechanism includes passive rotating device and active rotation device；The passive rotating device includes the first fixation
Seat, the first rotating disc and first fix disk；It is described first fixation disk connect with first fixed seat, first rotating disc with
The first fixation disk is rotatably coupled, and the rotational axis line of first rotating disc is parallel to the top surface of the bottom plate and hangs down
Directly in the telescopic direction of the Linear scaling mechanism；The diameter of first rotating disc is more than described first and fixes disk and described the
Multiple bolts hole are arranged in the edge of one rotating disc；The active rotation device is consolidated including the second fixed seat, the second rotating disc, second
Price fixing and actuating unit；The second fixation disk is connected with second fixed seat, and second rotating disc and described second is consolidated
Price fixing is rotatably coupled, and the rotational axis line of second rotating disc is parallel to the top surface of the bottom plate and perpendicular to described straight
The telescopic direction of line telescoping mechanism；The diameter of second rotating disc is more than described first and fixes disk and first rotating disc
Multiple bolts hole are arranged in edge；The actuating unit is for driving the second rotation disc spins；The rotation axis of first rotating disc
The rotational axis line of heart line and the second rotating disc overlaps；
First fixed seat and second fixed seat are slidably mounted on the both sides of the clamping device, and described first is solid
The glide direction of reservation and second fixed seat is parallel with the telescopic direction of Linear scaling mechanism.
2. the fixture of accurate processing automobile engine cylinder head according to claim 1, which is characterized in that
The actuating unit includes ratchet, pawl, oscillating rod, connecting rod, guide cylinder, sliding block and hydraulic cylinder；Described second fixes disk
Interior to have installation cavity, the ratchet, the pawl, the oscillating rod and the connecting rod may be contained in the installation cavity, described
Guide cylinder is fixed on the second fixation disk and the center line of the guide cylinder is arranged along the radial of the second fixation disk, described
The both ends of guide cylinder are located in the installation cavity and described second fixes outside disk, and the sliding block is slideably positioned in the guiding
In cylinder, the ratchet is fixedly connected with the second fixation disk, and one end of the oscillating rod is coaxially solid with second rotating disc
It connects calmly and the other end is connect with the pawl rotation, the both ends of the connecting rod are cut with scissors with the oscillating rod and the sliding block respectively
It connects；The telescopic rod of the hydraulic cylinder is connect with the sliding block, and the cylinder body of the hydraulic cylinder is fixedly connected with the guide cylinder.
3. the fixture of accurate processing automobile engine cylinder head according to claim 2, which is characterized in that
It is also associated with spring between the pawl and the oscillating rod, so that the pawl is held against with the ratchet.
4. the fixture of accurate processing automobile engine cylinder head according to claim 1, which is characterized in that
The fixture further includes the first return springs, the both ends of first return springs respectively with the bottom plate and described
First fixed seat connects, to push cylinder cap far from the positioning column.
5. the fixture of accurate processing automobile engine cylinder head according to claim 4, which is characterized in that
The fixture further includes the second return springs, the both ends of second return springs respectively with the bottom plate and described
Second fixed seat connects, to push cylinder cap far from the positioning column.
6. the fixture of accurate processing automobile engine cylinder head according to claim 1, which is characterized in that
It is described first fixation disk is connected by multi-link structure with first fixed seat so that it is described first fix disk relative to
The horizontal position of first fixed seat is adjustable.
7. the fixture of accurate processing automobile engine cylinder head according to claim 6, which is characterized in that
The multi-link structure includes at least the connecting rod of three axis pins connection, and the axial line of the axis pin is perpendicular to the bottom plate
The connecting rod of top surface, the multi-link structure both ends is connect with the first fixation disk and first fixed seat respectively.
8. the fixture of accurate processing automobile engine cylinder head according to claim 1, which is characterized in that
The both sides of the clamping device are each provided with one group of guide rail and two groups of guide rails are mutually parallel, the passive rotating device and institute
It states active rotation device and is slidably mounted on two groups of guide rails.
9. the fixture of accurate processing automobile engine cylinder head according to claim 1, which is characterized in that
The end of the positioning column and the hold-down column is provided with round and smooth chamfering.
10. the fixture of accurate processing automobile engine cylinder head according to claim 1, which is characterized in that
The Linear scaling mechanism is cylinder, and the cylinder body of the cylinder is fixed on second mounting wall, and the cylinder stretches
Bar is fixedly and coaxially connected with the hold-down column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721894328.8U CN207606556U (en) | 2017-12-28 | 2017-12-28 | A kind of fixture of accurate processing automobile engine cylinder head |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721894328.8U CN207606556U (en) | 2017-12-28 | 2017-12-28 | A kind of fixture of accurate processing automobile engine cylinder head |
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| CN207606556U true CN207606556U (en) | 2018-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721894328.8U Expired - Fee Related CN207606556U (en) | 2017-12-28 | 2017-12-28 | A kind of fixture of accurate processing automobile engine cylinder head |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108747278A (en) * | 2018-08-08 | 2018-11-06 | 海纳川（滨州）轻量化汽车部件有限公司 | Cylinder cover valve washer conduit rotating mechanism |
| CN109590927A (en) * | 2018-12-17 | 2019-04-09 | 重庆渝达六星动力机械有限公司 | It is a kind of for producing the safety-type processing unit (plant) and processing method of cylinder head |
| CN113263207A (en) * | 2021-05-13 | 2021-08-17 | 常州美通备品车辆配件有限公司 | Machining mechanism of automobile cylinder cover |
-
2017
- 2017-12-28 CN CN201721894328.8U patent/CN207606556U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108747278A (en) * | 2018-08-08 | 2018-11-06 | 海纳川（滨州）轻量化汽车部件有限公司 | Cylinder cover valve washer conduit rotating mechanism |
| CN108747278B (en) * | 2018-08-08 | 2023-12-29 | 海纳川（滨州）轻量化汽车部件有限公司 | Rotary mechanism for valve seat ring guide pipe of engine cylinder cover |
| CN109590927A (en) * | 2018-12-17 | 2019-04-09 | 重庆渝达六星动力机械有限公司 | It is a kind of for producing the safety-type processing unit (plant) and processing method of cylinder head |
| CN113263207A (en) * | 2021-05-13 | 2021-08-17 | 常州美通备品车辆配件有限公司 | Machining mechanism of automobile cylinder cover |
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