The content of the invention
Present invention aims at a kind of automobile-used high fit precision car door hinge is provided for the deficiency present in the prior art
The technical solution of fitting and its manufacturing method not only effectively increases the connective stability between car door and vehicle body, but also can make
Articulation piece plays lubricating action, reduces abrasion caused by due to long-time rotation, extends the service life of articulation piece, car door hinge
Fitting manufacturing process is simple, shortens process time, reduces processing cost, improves the production efficiency of articulation piece.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that:
A kind of automobile-used high fit precision car door articulation piece, including car door part, body part and connecting shaft, car door part passes through connection
Axis is rotatably connected on body part, it is characterised in that:Body part includes the first fixed plate and the first sleeve, and the first fixed plate passes through
First convergence part connects the first sleeve, and the first limit hole is provided on the first sleeve, and car door part includes the second fixed plate and second
Sleeve, second sleeve connect the second fixed plate by the second convergence part, are provided with the second limit hole in second sleeve, connecting shaft is equal
Match with the first limit hole and the second limit hole;First fixed plate and the first sleeve are connected by the first convergence part, effectively carried
The high stability and intensity of body part entirety, the second convergence part effectively increase the stability and intensity of car door part entirety, the
One sleeve and second sleeve can be such that car door is rotated along connecting shaft by connecting axis connection, extend making for car door articulation piece
With the service life, prevent from causing car door articulation piece discontinuity equalization using car door for a long time, and then influence the sealing effect of car door.
Further, the first mounting hole is symmetrically arranged in the first fixed plate, the first mounting hole makes the first fixation by screw
Plate is fixedly connected with vehicle body, improves body part global reliability.
Further, cross-sectional area of first convergence part close to the one side of the first fixed plate toward the first sleeve direction gradually subtracts
Small, this designs the use that can not only efficiently reduce raw material, reduces manufacture cost, and effectively extends car door part
Service life.
Further, set fluted in the second fixed plate, the second mounting hole is provided on groove, the design of groove causes vehicle
The structure of door part is more stable, reduces the use of raw material, reduces manufacture cost, simplifies production technology, and improves entire
The intensity of car door part can be effectively connected on car door by the second mounting hole.
Further, circular arc chamfering is both provided on the side of car door part and body part, circular arc chamfering not only increases beauty
Degree, and can effectively prevent from causing to scratch in installation or production process.
Further, oil guide groove is provided on the medial surface of the first limit hole and the second limit hole, oil guide groove increases effectively
Degree of lubrication between connecting shaft and the first limit hole, the second limit hole reduces abrasion, and extend car door articulation piece uses the longevity
Life.
Manufacture a kind of method of automobile-used high fit precision car door articulation piece described above, it is characterised in that including walking as follows
Suddenly:
1) body part manufactures
A, the material of body part is selected according to the design requirement of drawing first, and manufactures the first mold of setting specification, so
The first mold is fixedly connected on the clamp system of forging press afterwards, clamp system transports the first mold under the action of guide rail
To stuffing box, the injection orifice on the first mold is made to be directed at the defeated spray nozzle for slurry in stuffing box;
B, and then the temperature of molten iron in stuffing box is controlled at 1000~1500 DEG C, according to the defeated slurry of the volume controlled of the first mold
The uninterrupted of nozzle is in 2~5m3/ min makes the flow of molten iron in defeated spray nozzle for slurry from 5m3/ min starts to convey, every 10~15s
Flow-reduction 0.25m3/ min, until the first mold is packed full with, the first mold after then will be filled with is by clamp system through leading
Rail is transported in cooler bin, and cooler bin carries out the molten iron temperature-fall period in the first mold at twice, and body part is taken out after cooling
Test specimen is taken out by clamp system and is transported on forging press;
C, forging press carries out the first mounting hole and the first limit hole to body part test specimen respectively by level hammer and vertical hammer
Punch operation, the body part test specimen after punching is transported to by clamp system on sander, and body part is tried by grinding wheel
Part carries out corner grinding process, finally by progress chamfered;
D, spray painting processing is carried out to the surface of body part test specimen according to the requirement of setting, and opens up and lead in the first limit hole
Oil groove;
2) car door part manufactures
A, the material of car door part is selected according to the design requirement of drawing first, and manufactures the second mold of setting specification, so
The second mold is fixedly connected on clamp system afterwards, the second mold is transported to stuffing box by clamp system under the action of guide rail
It is interior, the injection orifice on the second mold is made to be directed at the defeated spray nozzle for slurry in stuffing box;
B, and then the temperature of molten iron in stuffing box is controlled at 1200~1600 DEG C, according to the defeated slurry of the volume controlled of the second mold
The uninterrupted of nozzle is in 3~6m3/ min makes the flow of molten iron in defeated spray nozzle for slurry from 6m3/ min starts to convey, every 10~15s
Flow-reduction 0.3m3/ min, until the second mold is packed full with, the second mold after then will be filled with is by clamp system through guide rail
It is transported in cooler bin, cooler bin carries out the molten iron temperature-fall period in the second mold at twice, and the examination of car door part is taken out after cooling
Part is taken out by clamp system and is transported on forging press;
C, forging press carries out the second mounting hole and the second limit hole to car door part test specimen respectively by level hammer and vertical hammer
Punch operation, the car door part test specimen after punching is transported to by clamp system on sander, and car door part is tried by grinding wheel
Part carries out corner grinding process, finally by progress chamfered;
D, spray painting processing is carried out to the surface of car door part test specimen according to the requirement of setting, and opens up and lead in the second limit hole
Oil groove;
3) connecting shaft manufactures
According to the depth and diameter of the first limit hole and the second limit hole, the size of connecting shaft is designed, manufactures production first
The mold of connecting shaft, and by molten iron casting in mold, pour and move to mold in cooler bin after filling, by right after cooling treatment
Connecting shaft carries out grinding process, and installs gasket on the supporting surface of connecting shaft;
4) cooperation installation
A, the installation site of car door is selected first on vehicle body, is pacified according to the design requirement of drawing by screw through first
Body part is fixedly connected on vehicle body by dress hole, and sprays lubricating oil in the first limit hole of body part;
B, and then on car door installation site is selected, car door part is fixed on by car door through the second mounting hole by screw
Setting position sprays lubricating oil in the second limit hole of car door part, is then vertically hung car door by hoisting mechanism
It rises, and is moved to apart from the position of 20~30cm of vehicle body;
C, finally the lower end of connecting shaft is fixed in the first limit hole on insertion body part, it then will by hoisting mechanism
Car door be moved to car door installation position, the second limit hole on car door part is made to align with the first limit hole, and by car door lower section,
Until the upper end of connecting shaft is inserted into the second limit hole, hoisting machine is removed;
5) hinged experiment
After car door installation, by rotating the connection effect between car door observation car door part and body part.
Further, the temperature-fall period during step 1) b includes atomization cooling and water-bath cooling, first passes through atomization cooling pair
First mold carries out surface cooling treatment, and the cooling treatment time is 15~25min, then places the first mold in the sink,
Until the liquid level in sink submerges the first mold, 10~15min is cooled down.
The present invention is by adopting the above-described technical solution, have the advantages that:
1st, the first fixed plate and the first sleeve are connected by the first convergence part, effectively increases the stability of body part entirety
And intensity, the second convergence part effectively increase the stability and intensity of car door part entirety;
2nd, the first sleeve and second sleeve can be such that car door is rotated along connecting shaft, extend vehicle by connecting axis connection
The service life of door hinge fitting is prevented from being caused car door articulation piece discontinuity equalization using car door for a long time, and then influences car door
Sealing effect;
3rd, oil guide groove increases effectively the degree of lubrication between connecting shaft and the first limit hole, the second limit hole, reduces mill
Damage extends the service life of car door articulation piece;
4th, the method for the present invention manufacturing process is simple, and can meet the processing need of car door articulation piece of different size and specifications
Will, process time is shortened, reduces processing cost, improves the production efficiency of articulation piece.
The configuration of the present invention is simple, it is highly practical, the connective stability between car door and vehicle body is not only effectively increased, but also
Articulation piece can be made to play lubricating action, reduce abrasion caused by due to long-time rotation, extend the service life of articulation piece, the vehicle
Door hinge fitting manufacturing process is simple, shortens process time, reduces processing cost, improves the production efficiency of articulation piece.
Specific embodiment
As shown in Figures 1 to 8, it is a kind of automobile-used high fit precision car door articulation piece of the present invention, including car door part 1, vehicle body
Part 2 and connecting shaft 3, car door part 1 are rotatably connected on by connecting shaft 3 on body part 2, and body part 2 includes the first fixed plate 4 and the
One sleeve 5, the first fixed plate 4 connect the first sleeve 5 by the first convergence part 8, the first limit hole 6 are provided on the first sleeve 5,
The first mounting hole 7 is symmetrically arranged in first fixed plate 4, the first mounting hole 7 makes the first fixed plate 4 be fixed with vehicle body by screw
Connection, improves 2 global reliability of body part, and the first convergence part 8 is close to the one side of the first fixed plate 4 toward 5 direction of the first sleeve
Cross-sectional area be gradually reduced, this, which is designed, can not only efficiently reduce the uses of raw material, reduce manufacture cost, Er Qieyou
Effect extends the service life of car door part 1.
Car door part 1 includes the second fixed plate 9 and second sleeve 10, and second sleeve 10 connects second by the second convergence part 14
Fixed plate 9 is provided with the second limit hole 13 in second sleeve 10, fluted 11 is set in the second fixed plate 9, is set on groove 11
There is the second mounting hole 12, the design of groove 11 so that the structure of car door part 1 is more stable, reduces the use of raw material, reduce system
This is caused, simplifies production technology, and improves the intensity of entire car door part 1, can effectively be connected by the second mounting hole 12
It is connected on car door, connecting shaft 3 matches with the first limit hole 6 and the second limit hole 13, the side of car door part 1 and body part 2
On be both provided with circular arc chamfering, circular arc chamfering not only increases aesthetic measure, and can effectively prevent from installing or producing
It causes to scratch in journey.
Oil guide groove is provided on the medial surface of first limit hole 6 and the second limit hole 13, oil guide groove increases effectively connection
Degree of lubrication between 3 and first limit hole 6 of axis, the second limit hole 13 reduces abrasion, and extend car door articulation piece uses the longevity
Life;First fixed plate 4 and the first sleeve 5 are connected by the first convergence part 8, effectively increase the whole stability of body part 2 with
Intensity, the second convergence part 14 effectively increase the whole stability and intensity of car door part 1, and the first sleeve 5 and second sleeve 10 are logical
It crosses connecting shaft 3 to connect, car door can be made to be rotated along connecting shaft 3, extend the service life of car door articulation piece, prevent for a long time
Car door articulation piece discontinuity equalization is caused using car door, and then influences the sealing effect of car door.
A kind of manufacture method of automobile-used high fit precision car door articulation piece described above, includes the following steps:
1) body part manufactures
A, the material of body part 2 is selected according to the design requirement of drawing first, and manufactures the first mold of setting specification, so
The first mold is fixedly connected on the clamp system of forging press afterwards, clamp system transports the first mold under the action of guide rail
To stuffing box, the injection orifice on the first mold is made to be directed at the defeated spray nozzle for slurry in stuffing box;
B, and then the temperature of molten iron in stuffing box is controlled at 1000~1500 DEG C, according to the defeated slurry of the volume controlled of the first mold
The uninterrupted of nozzle is in 2~5m3/ min makes the flow of molten iron in defeated spray nozzle for slurry from 5m3/ min starts to convey, every 10~15s
Flow-reduction 0.25m3/ min, until the first mold is packed full with, the first mold after then will be filled with is by clamp system through leading
Rail is transported in cooler bin, and cooler bin carries out the molten iron temperature-fall period in the first mold at twice, and body part is taken out after cooling
Test specimen is taken out by clamp system and is transported on forging press;Temperature-fall period includes atomization cooling and water-bath cooling, first passes through mist
Change cooling and surface cooling treatment is carried out to the first mold, the cooling treatment time is 15~25min, is then placed on the first mold
In sink, until the liquid level in sink submerges the first mold, 10~15min is cooled down.
C, forging press carries out the first mounting hole 7 and the first limit hole to body part test specimen respectively by level hammer and vertical hammer
6 punch operation, the body part test specimen after punching are transported to by clamp system on sander, and body part is tried by grinding wheel
Part carries out corner grinding process, finally by progress chamfered;
D, spray painting processing carries out the surface of body part test specimen according to the requirement of setting, and is opened up in the first limit hole 6
Oil guide groove;
2) car door part manufactures
A, the material of car door part 1 is selected according to the design requirement of drawing first, and manufactures the second mold of setting specification, so
The second mold is fixedly connected on clamp system afterwards, the second mold is transported to stuffing box by clamp system under the action of guide rail
It is interior, the injection orifice on the second mold is made to be directed at the defeated spray nozzle for slurry in stuffing box;
B, and then the temperature of molten iron in stuffing box is controlled at 1200~1600 DEG C, according to the defeated slurry of the volume controlled of the second mold
The uninterrupted of nozzle is in 3~6m3/ min makes the flow of molten iron in defeated spray nozzle for slurry from 6m3/ min starts to convey, every 10~15s
Flow-reduction 0.3m3/ min, until the second mold is packed full with, the second mold after then will be filled with is by clamp system through guide rail
It is transported in cooler bin, cooler bin carries out the molten iron temperature-fall period in the second mold at twice, and the examination of car door part is taken out after cooling
Part is taken out by clamp system and is transported on forging press;
C, forging press carries out the second mounting hole 12 and the second /V to car door part test specimen respectively by level hammer and vertical hammer
The punch operation in hole 13, the car door part test specimen after punching is transported to by clamp system on sander, by grinding wheel to car door
Part test specimen carries out corner grinding process, finally by progress chamfered;
D, spray painting processing carries out the surface of car door part test specimen according to the requirement of setting, and is opened up in the second limit hole 13
Oil guide groove;
3) connecting shaft manufactures
According to the depth and diameter of the first limit hole 6 and the second limit hole 13, the size of connecting shaft 3 is designed, is manufactured first
The mold of connecting shaft 3 is produced, and by molten iron casting in mold, pours and moves to mold in cooler bin after filling, at cooling
Grinding process is carried out to connecting shaft 3 after reason, and gasket is installed on the supporting surface of connecting shaft 3;
4) cooperation installation
A, the installation site of car door is selected first on vehicle body, is pacified according to the design requirement of drawing by screw through first
Body part 2 is fixedly connected on vehicle body by dress hole 7, and the spraying lubricating oil in the first limit hole 6 of body part 2;
B, and then on car door installation site is selected, car door part 1 is fixed on by vehicle through the second mounting hole 12 by screw
The setting position of door, the spraying lubricating oil in the second limit hole 13 of car door part 1 are then vertical by car door edge by hoisting mechanism
Direction is sling, and is moved to apart from the position of 20~30cm of vehicle body;
C, finally the lower end of connecting shaft 3 is fixed in the first limit hole 6 on insertion body part 2, then passes through hoisting machine
Car door is moved to the position of car door installation by structure, and the second limit hole 13 on car door part 1 is made to align with the first limit hole 6, and will
Below car door, until the upper end of connecting shaft 3 is inserted into the second limit hole 13, hoisting machine is removed;
5) hinged experiment
After car door installation, by rotating the connection effect between car door observation car door part 1 and body part 2.
It these are only specific embodiments of the present invention, but the technical characteristic of the present invention is not limited thereto.It is any with this hair
Based on bright, to realize essentially identical technique effect, made ground simple change, equivalent substitution or modification etc., all cover
Among protection scope of the present invention.