CN109733139A - A kind of rocker arm anterior cannula welding structure and its processing technology - Google Patents
A kind of rocker arm anterior cannula welding structure and its processing technology Download PDFInfo
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- CN109733139A CN109733139A CN201910188058.6A CN201910188058A CN109733139A CN 109733139 A CN109733139 A CN 109733139A CN 201910188058 A CN201910188058 A CN 201910188058A CN 109733139 A CN109733139 A CN 109733139A
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Abstract
The present invention relates to a kind of rocker arm anterior cannula welding structures, including casing and bracket, the bracket has the welding ends for connecting above-mentioned casing, the welding ends includes the welding arm of two arcs towards outward opening, the both ends port of above-mentioned casing is respectively formed with the flange circumferentially radially outward turned down, the shape of above-mentioned two welding arm matches with the surface of casing respectively, and each welding arm is clamped in the both ends of casing respectively and is located at the inside of corresponding flange, the first soldered is set along the extending direction of welding arm respectively between each flange and corresponding welding arm, direction is extended along on the inside of each welding arm simultaneously, the second soldered is set；Further relate to the welded processing technology of rocker arm anterior cannula.Compared with prior art, present invention reduces rocker arm anterior cannula welding structure overall weight and manufacturing costs, and strengthen the weld strength of casing, and the process of processing technology is simple, and machining accuracy is high.
Description
Technical field
The present invention relates to Automobile Chassis Parts field more particularly to a kind of rocker arm anterior cannula welding structure and its processing works
Skill.
Background technique
In recent years, with the lasting propulsion of automotive light weight technology technology and 800MPa and universal, the monolithic of the above strength steel sheet
Formula McPherson control arm is occurred.One chip McPherson control arm needs to install the lining in longitudinal (vehicle direction) in its front
Set, and the casing of this structure integrated punching can not come out on stamping parts, it is necessary to additional one casing of welding.The prior art
In, in order to meet sleeve stress requirement, generally require the additional layer stiffening plate on casing.Although the stiffening plate can play reinforcement
The effect of casing weld strength, but additional stiffening plate reduces the weight loss effect of script (relative to double-sheet arrangement), together
When increase the complexity of welding, and then the difficulty of processing is increased, so that the one-piece construction is lost relative to double-sheet arrangement
Cost and weight advantage.
Summary of the invention
First technical problem to be solved by this invention is to provide a kind of light-weight, convenient welding for the prior art
And the rocker arm anterior cannula welding structure that weld strength is high.
Second technical problem to be solved by this invention is to provide that a kind of process is simple, processing essence for the prior art
Spend the high above-mentioned welded processing technology of rocker arm anterior cannula.
The technical scheme of the invention to solve the technical problem is: a kind of rocker arm anterior cannula welding structure, including
Casing and bracket, which is characterized in that the bracket has the welding ends for connecting above-mentioned casing, which includes two courts
The welding arm of the arc of outward opening, the both ends port of above-mentioned casing are respectively formed with the flange circumferentially radially outward turned down, on
The shape for stating two welding arms matches with the surface of casing respectively, and each welding arm is clamped in both ends and the difference of casing respectively
Positioned at the inside of corresponding flange, respectively along the first welding of extending direction setting of welding arm between each flange and corresponding welding arm
Seam, while extending along direction on the inside of each welding arm and the second soldered is set.
Preferably, each welding arm offsets with corresponding flange respectively, so as to make the welding knot of casing and bracket
Structure is more firm.
Diameter for the cooperation precision for guaranteeing casing and bushing press-mounting, described sleeve pipe is 57.7mm~57.8mm, to protect
Extrusion pressure control after card press fitting bushing；Since casing needs to be stuck between the welding arm of two sides, to guarantee to weld matching gap,
Length is 34.0mm~34.2mm, to guarantee swing arm hard spot position, the width of above-mentioned flange is 6.5mm~7.0mm.
The present invention solves technical solution used by second technical problem are as follows: a kind of toe-angle adjusting as described above
The processing technology of pull rod, it is characterised in that the following steps are included:
The first step, selecting rate elongation is that 29% essence pulls out seamless steel pipe as processing raw material, cut required length and
Tube body is formed, one end of the tube body circumferentially turns down outward and forms flange embryo；
Second step smooths above-mentioned flange embryo using pressure, so that above-mentioned flange embryo is relative to above-mentioned tubular body
It extends radially outwardly and forms the thick type of flange；
The thick type cutting edge of above-mentioned flange is formed the uniform above-mentioned flange of thickness by third step；
The other end of 4th step, above-mentioned tubular body circumferentially turns down outward and forms flange embryo；
5th step smooths the flange embryo formed in the 4th step using the method for second step and forms above-mentioned flange
Thick type；
6th step carries out cutting edge to the thick type of the flange formed in the 5th step using the method for third step and forms above-mentioned turn over
Side obtains required casing；
The casing of above-mentioned acquisition and bracket are welded and are respectively formed above-mentioned first soldered and the second weldering by the 7th step
Seam obtains required toe-angle adjusting yoke.
Preferably, in the first step use Bending Mould, the Bending Mould include the first pressing plate that can vertically push,
First workbench, upper male mould, lower punch and cavity plate sliding block, the first pressing plate and the first workbench are oppositely arranged and two up and down
The first lifting guide post is provided between person, upper male mould and lower punch are separately fixed at the bottom surface of the first pressing plate and the first work is put down
On the top surface of platform, and upper male mould and lower punch are opposite up and down, and upper male mould has the upper locating piece that extends downwardly, lower punch have to
The lower locating piece of upper extension, the upper and lower locating piece can be respectively embedded into the upper and lower nozzle of above-mentioned tubular body, and cavity plate sliding block is arranged upper
State on the first workbench, the cavity plate sliding block be at least two pieces and it is circumferentially-spaced centered on lower punch be all provided with, each cavity plate sliding block
The corresponding position of tube surfaces can be slided and is clamped in along the top surface of the first workbench respectively, the periphery of upper locating piece has pressure
Ring, the pressure ring is opposite up and down with the inner end of each cavity plate sliding block, also, flange embryo form when be pressed in the pressure ring with it is each recessed
Between mode slider.Tube body is vertically positioned by upper and lower locating piece, tube body is circumferentially held tightly by cavity plate sliding block, the first pressing plate pushes
Pressure ring so that pressure ring acts on the opening's edge of tube body and forms flange embryo, above-mentioned cavity plate sliding block by it is circumferential hold tightly tube body and
It supports in flange embryo forming process, cracks to be avoided that in flange embryo forming process.
Preferably, the Bending Mould further includes fixed block and limited block, the number of the fixed block and above-mentioned cavity plate are sliding
Block corresponds, and the number of limited block is also corresponded with above-mentioned cavity plate sliding block, and it is flat that each fixed block is separately fixed at the first work
On the top surface of platform, and each limited block is separately fixed on the bottom surface of the first pressing plate, and above-mentioned tubular body is placed on the first workbench
When, each cavity plate sliding block can slidably reciprocate between corresponding fixed block and tube body, and each limited block can be caught in corresponding fixed block
Gap between cavity plate sliding block and position corresponding cavity plate sliding block.So as to enable cavity plate sliding block preferably to hold tube body tightly,
Then flange embryo can be preferably avoided to crack.
Preferably, using leveling die in the second step, which includes the second pressing plate, the second workbench
And smoothing punch-pin, the second pressing plate and the second workbench are relatively set with the second lifting guide post, above-mentioned smoothing punch-pin up and down
It is fixed on the bottom surface of the second pressing plate, and offers the smoothing groove being embedded in for tube body one end on above-mentioned second workbench, on
Stating smoothing punch-pin includes that centrally located positioning column and the smoothing ring positioned at the positioning column periphery, above-mentioned positioning column can be inserted into
In the nozzle of the tube body other end, and smoothing ring can offset up and down with flange embryo.
Preferably, use cutting edge mold in the third step, which includes that third pressing plate, third work are flat
Platform, cutting edge sleeve and cutting edge punch-pin, above-mentioned cutting edge sleeve are fixed on the bottom surface of third pressing plate, the free end of the cutting edge sleeve
Embedded with the first cutter ring being arranged concentrically with the cutting edge sleeve, cutting edge punch-pin is fixed on the top surface of third workbench, the sanction
The periphery of side punch-pin is provided with the second cutter ring, and one end of tube body is protruded into the centre bore of cutting edge sleeve, and the other end is set in above-mentioned
On cutting edge punch-pin, the inner peripheral surface of above-mentioned first cutter ring can the outer peripheral surface circumferentially with above-mentioned flange offset, the periphery of the second cutter ring
The outer peripheral surface consistency from top to bottom in face and flange.
Compared with the prior art, the advantages of the present invention are as follows: compared with prior art, the rocker arm anterior cannula in the present invention is welded
Binding structure to reduce rocker arm anterior cannula welding structure overall weight and manufacturing cost, and leads to without separately setting stiffening plate
It crosses and flange is respectively set at the both ends of casing and makes to be respectively formed the first soldered and second between casing and the welding ends of bracket
Soldered, to strengthen the weld strength of casing, and turnup structure is convenient for the welding operation between casing and welding arm.This
Outside, the present invention by fold, smoothing and cutting edge and etc. prepare rocker arm anterior cannula welding structure, process is simple, and first rolls over
Shaping (smoothing, cutting edge etc.) is after curved to can guarantee the internal diameter precision and height-precision of casing, and then obtains good processing essence
Degree.
Detailed description of the invention
Fig. 1 is the welded structural schematic diagram of rocker arm anterior cannula in the embodiment of the present invention；
Fig. 2 is the welded partial sectional view of rocker arm anterior cannula in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of middle sleeve of the embodiment of the present invention；
Fig. 4 is the processing process schematic diagram of middle sleeve of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of Bending Mould in the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the other direction of Fig. 5；
Fig. 7 is cross-sectional view of the Fig. 6 along the direction a-a；
Fig. 8 is the partial structural diagram of Bending Mould in the embodiment of the present invention；
Fig. 9 is the structural schematic diagram of leveling die in the embodiment of the present invention；
Figure 10 is the structural schematic diagram of the other direction of Fig. 9；
Figure 11 is cross-sectional view of the Figure 10 along the direction b-b；
Figure 12 is the structural schematic diagram of cutting edge mold in the embodiment of the present invention；
Figure 13 is the structural schematic diagram of the other direction of Figure 12；
Figure 14 is cross-sectional view of the Figure 13 along the direction c-c.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figures 1 to 3, a kind of rocker arm anterior cannula welding structure, including casing 2 and bracket 1, in the present embodiment, the branch
Frame 1 is sheet body structure, which has a welding ends 11 for connecting above-mentioned casing 2, which includes two towards external-open
The welding arm 111 of the arc of mouth, the both ends port of above-mentioned casing 2 are respectively formed with the flange 21 circumferentially radially outward turned down,
Surface of the shape of above-mentioned two welding arm 111 respectively with casing 2 matches, and each welding arm 111 is clamped in casing 2 respectively
Both ends and the inside for being located at corresponding flange 21, respectively along welding arm 111 between each flange 21 and corresponding welding arm 111
The first soldered 12 is arranged in extending direction, while extending along direction in the inside of each welding arm 111 and the second soldered 13 is arranged.
Compared with prior art, the rocker arm anterior cannula welding structure in the present invention is without separately setting stiffening plate, to reduce rocker arm protheca
Welded overall weight and manufacturing cost, and made and flange 21 are respectively set at the both ends of casing 2 casing 2 with
The first soldered 12 and the second soldered 13 are respectively formed between the welding ends 11 of bracket 1, so that the welding for strengthening casing 2 is strong
Degree, and flange 21 is convenient for the welding operation between casing 2 and welding arm 111.Preferably, the welding to make casing 2 Yu bracket 1
Structure is more firm, and each welding arm 111 offsets with corresponding flange 21 respectively.
Further, in the present embodiment, the diameter of above-mentioned casing 2 is 57.7mm~57.8mm, to can guarantee casing 2 and lining
Cover the cooperation precision of press fitting；Since casing 2 needs to be stuck between the welding arm 111 of two sides, to guarantee to weld matching gap, casing
2 height are 34.0mm~34.2mm；The width of above-mentioned flange 21 is 6.5mm~7.0mm.
As described in Figure 4, above-mentioned rocker arm anterior cannula welding structure is prepared by following technique:
The first step, selecting rate elongation is that 29% essence pulls out seamless steel pipe as processing raw material, cut required length and
Tube body 20 is formed, one end of the tube body 20 circumferentially turns down outward and forms flange embryo 22.This step uses 60 tons of machinery pressures
Machine.Selecting rate elongation is the processability that 29% essence pulls out that seamless steel pipe guarantees material, is conducive to it and does not open during fold
It splits, while also can guarantee the diameter dimension of final products.
Second step, it is young to above-mentioned flange using 60 tons of mechanical press since above-mentioned 22 embryo of flange is arc flange
Type 22 is smoothed, so that above-mentioned flange embryo 22 extends radially outwardly relative to above-mentioned tubular body 20 and forms the thick type 23 of flange.
The correction of this step should guarantee the angle (theoretically 90 °, control requires to be 90 ° ± 30 ') of the thick type 23 of flange, while also need
The height of tube body 20 is corrected.
Thick 23 cutting edge of type of above-mentioned flange is formed the uniform above-mentioned flange 21 of thickness by third step.This step can guarantee
The precision of 21 height dimension of flange, while can also thinned more bad area is cut during fold by flange 21.This
Step uses 60 tons of mechanical press.
The other end of 4th step, above-mentioned tubular body 20 circumferentially turns down outward and forms flange embryo 22.
5th step smooths the flange embryo 22 formed in the 4th step using the method for second step and forms above-mentioned turn over
The thick type 23 in side.
6th step carries out cutting edge to the thick type 23 of the flange formed in the 5th step using the method for third step and forms above-mentioned turn over
Side 21, and then obtain required casing 2.
The casing 2 of above-mentioned acquisition and bracket 1 are welded and are respectively formed above-mentioned first soldered 12 and the by the 7th step
Two soldereds 13 obtain required rocker arm anterior cannula welding structure.
Further, as shown in figures 5-8, Bending Mould is used in the above-mentioned first step, which includes vertically pushing
The first pressing plate 31, the first workbench 32, upper male mould 33, lower punch 34 and cavity plate sliding block 38, the first pressing plate 31 and first
About 32 workbench is oppositely arranged and is provided between the two the first lifting guide post 35, and upper male mould 33 and lower punch 34 are distinguished
It is fixed on the bottom surface of the first pressing plate 31 and the top surface of the first workbench 32, and upper male mould 33 and about 34 lower punch are opposite,
Upper male mould 33 has the upper locating piece 331 extended downwardly, and lower punch 34 has the lower locating piece 341 upwardly extended, this is upper and lower fixed
Position block 331,341 can be respectively embedded into the upper and lower nozzle of above-mentioned tubular body 20, and cavity plate sliding block 38 is arranged in above-mentioned first workbench
On 32, the cavity plate sliding block 38 be at least two pieces and it is circumferentially-spaced centered on lower punch 34 be all provided with, each cavity plate sliding block 38 can be distinguished
It is slided along the top surface of the first workbench 32 and is clamped in the corresponding position on 20 surface of tube body.To enable each cavity plate sliding block 38 preferably
It being slided along the top surface of the first workbench 32, in the present embodiment, the bottom of each cavity plate sliding block 38 is respectively fixed with bootstrap block 381,
And it offers on the first tooling platform 32 and is accommodated in pair with the one-to-one sliding slot 39 of above-mentioned cavity plate sliding block 38, each bootstrap block 381
It can slidably reciprocate in the sliding slot 39 answered and along the sliding slot 39, so that each cavity plate sliding block 38 can be slided back and forth relative to tube body 20
It is dynamic.
The periphery of upper locating piece 331 has pressure ring 332, and the pressure ring 332 is opposite up and down with the inner end of each cavity plate sliding block 38,
Also, flange embryo 22 is pressed between the pressure ring 332 and each cavity plate sliding block 38 when forming.60 tons of machines are used in the present embodiment
Tool press drives the first pressing plate 31, vertically positions tube body 20 by upper and lower locating piece 331,341, circumferential by cavity plate sliding block 38
Hold tube body 20 tightly, the first pressing plate 31 pushes pressure ring 332, so that pressure ring 332 acts on the opening's edge of tube body 20 and forms flange embryo
22, above-mentioned cavity plate sliding block 38 is supported by circumferential holding tube body 20 and in 22 forming process of flange embryo, thus
It is avoided that in 22 forming process of flange embryo and cracks.Preferably, to enable cavity plate sliding block 38 preferably to hold tube body 20 tightly, from
And flange embryo 22 can preferably be avoided to crack, above-mentioned Bending Mould further includes fixed block 37 and limited block 36, this is fixed
The number of block 37 and above-mentioned cavity plate sliding block 38 correspond, and the number of limited block 36 is also corresponded with above-mentioned cavity plate sliding block 38,
Each fixed block 37 is separately fixed on the top surface of the first workbench 32, and each limited block 36 is separately fixed at the first pressing plate 31
On bottom surface, when above-mentioned tubular body 20 is placed on the first workbench 32, each cavity plate sliding block 38 can be in corresponding fixed block 37 and pipe
It slidably reciprocates between body 20, and each limited block 36 can be caught in the gap between corresponding fixed block 37 and cavity plate sliding block 38 and make pair
The cavity plate sliding block 38 answered positions, and the present embodiment Huang is total, and the lower end of each limited block 36 can be caught in above-mentioned sliding slot 39.
Further, leveling die is used in above-mentioned second step, as shown in Fig. 9~11, which includes the second pressing plate
41, the second workbench 42 and smoothing punch-pin 44, the second pressing plate 41 and the second about 42 workbench are relatively set with second
Go up and down guide post 43.Above-mentioned smoothing punch-pin 44 is fixed on the bottom surface of the second pressing plate 41, and is opened on above-mentioned second workbench 42
Equipped with the smoothing groove 421 being embedded in for 20 one end of tube body, above-mentioned smoothing punch-pin 44 include centrally located positioning column 441 and
Smoothing ring 442 positioned at 441 periphery of positioning column, above-mentioned positioning column 441 can be inserted into the nozzle of 20 other end of tube body, and be smoothed
Ring 442 can offset with about 22 flange embryo, to be smoothed to flange embryo 22 and form the thick type 23 of flange.
Further, cutting edge mold is used in above-mentioned third step, as shown in Figure 12~14, which includes third pressing plate
51, third workbench 52, cutting edge sleeve 54 and cutting edge punch-pin 57.Above-mentioned cutting edge sleeve 54 is fixed on the bottom of third pressing plate 51
On face, the free end of the cutting edge sleeve 54 is embedded with the first cutter ring 55 being arranged concentrically with the cutting edge sleeve 54, cutting edge punch-pin 57
It is fixed on the top surface of third workbench 52, the periphery of the cutting edge punch-pin 57 is provided with the second cutter ring 56, one end of tube body 20
It protrudes into the centre bore of cutting edge sleeve 54, the other end is set on above-mentioned cutting edge punch-pin 57, the inner peripheral surface of above-mentioned first cutter ring 55
Can the outer peripheral surface circumferentially with above-mentioned flange 21 offset, the outer peripheral surface consistency from top to bottom of the outer peripheral surface of the second cutter ring 56 and flange 21.
Extra part is fallen by the coordination energy cutting edge of the first, second cutter ring 55,56 in this way and forms uniform above-mentioned of thickness and turns over
Side 21.To avoid the metal fillings generated during cutting edge from splashing, it is fixed with splashproof on the top surface of above-mentioned third workbench, 54,
The splash-back 54 is two pieces and is separately positioned on the two sides of the first, second cutter ring 55,56.
Claims (8)
1. a kind of rocker arm anterior cannula welding structure, including casing (2) and bracket (1), which is characterized in that the bracket (1) has
For connecting the welding ends (11) of above-mentioned casing (2), which includes the welding arm of two arcs towards outward opening
(111), the both ends port of above-mentioned casing (2) is respectively formed with the flange (21) circumferentially radially outward turned down, above-mentioned two weldering
It connects surface of the shape of arm (111) respectively with casing (2) to match, and each welding arm (111) is clamped in the two of casing (2) respectively
The inside of corresponding flange (21) is held and is located at, respectively along welding arm between each flange (21) and corresponding welding arm (111)
(111) the first soldered (12) are arranged in extending direction, while extending along on the inside of each welding arm (111) direction setting the
Two soldereds (13).
2. rocker arm anterior cannula welding structure as described in claim 1, which is characterized in that each welding arm (111) respectively with
Corresponding flange (21) offsets.
3. rocker arm anterior cannula welding structure as claimed in claim 2, which is characterized in that the diameter of described sleeve pipe (2) is
57.7mm~57.8mm is highly 34.0mm~34.2mm, and the width of above-mentioned flange (21) is 6.5mm~7.0mm.
4. a kind of welded processing technology of rocker arm anterior cannula as claimed in any one of claims 1 to 3, it is characterised in that packet
Include following steps:
The first step, selecting rate elongation is that 29% essence pulls out seamless steel pipe as processing raw material, cuts required length and is formed
One end of tube body (20), the tube body (20) circumferentially turns down outward and forms flange embryo (22)；
Second step smooths above-mentioned flange embryo (22) using pressure, so that above-mentioned flange embryo (22) is relative to above-mentioned
Tube body (20) extends radially outwardly and forms the thick type of flange (23)；
(23) cutting edge of the thick type of above-mentioned flange is formed the uniform above-mentioned flange (21) of thickness by third step；
The other end of 4th step, above-mentioned tubular body (20) circumferentially turns down outward and forms flange embryo (22)；
5th step smooths the flange embryo (22) formed in the 4th step using the method for second step and forms above-mentioned flange
Thick type (23)；
6th step carries out cutting edge to the thick type of flange (23) formed in the 5th step using the method for third step and forms above-mentioned flange
(21), required casing (2) are obtained；
7th step, the casing (2) of above-mentioned acquisition and bracket (1) are welded and be respectively formed above-mentioned first soldered (12) and
Second soldered (13) obtains required rocker arm anterior cannula welding structure.
5. processing technology as claimed in claim 4, which is characterized in that use Bending Mould, the bender in the first step
Tool includes the first pressing plate (31), the first workbench (32), upper male mould (33), lower punch (34) and the cavity plate that can vertically push
Sliding block (38), the first pressing plate (31) and the first workbench (32) are oppositely arranged up and down and are provided with the first lifting between the two and lead
Xiang Zhu (35), upper male mould (33) and lower punch (34) are separately fixed at bottom surface and the first workbench (32) of the first pressing plate (31)
Top surface on, and upper male mould (33) and lower punch (34) are opposite up and down, and upper male mould (33) has the upper locating piece extended downwardly
(331), lower punch (34) has the lower locating piece (341) upwardly extended, which can be respectively embedded into
In the upper and lower nozzle of above-mentioned tubular body (20), cavity plate sliding block (38) is arranged on above-mentioned first workbench (32), the cavity plate sliding block
(38) be at least two pieces and it is circumferentially-spaced centered on lower punch (34) be all provided with, each cavity plate sliding block (38) can respectively along first work
The corresponding position on tube body (20) surface is slided and be clamped in the top surface of platform (32), and the periphery of upper locating piece (331) has pressure ring
(332), the pressure ring (332) is opposite up and down with the inner end of each cavity plate sliding block (38), also, can quilt when flange embryo (22) molding
It is pressed between the pressure ring (332) and each cavity plate sliding block (38).
6. processing technology as claimed in claim 5, which is characterized in that the Bending Mould further includes fixed block (37) and limit
Block (36), the number of the fixed block (37) and above-mentioned cavity plate sliding block (38) correspond, the number of limited block (36) also with it is above-mentioned
Cavity plate sliding block (38) corresponds, and each fixed block (37) is separately fixed on the top surface of the first workbench (32), and respectively limits
Block (36) is separately fixed on the bottom surface of the first pressing plate (31), when above-mentioned tubular body (20) is placed on the first workbench (32),
Each cavity plate sliding block (38) can slidably reciprocate between corresponding fixed block (37) and tube body (20), and each limited block (36) can be caught in
Gap between corresponding fixed block (37) and cavity plate sliding block (38) and position corresponding cavity plate sliding block (38).
7. processing technology as claimed in claim 4, which is characterized in that use leveling die, the straight die in the second step
Tool includes the second pressing plate (41), the second workbench (42) and smoothing punch-pin (44), and the second pressing plate (41) and the second work are flat
Platform (42) is relatively set with the second lifting guide post (43) up and down, and above-mentioned smoothing punch-pin (44) is fixed on the bottom of the second pressing plate (41)
On face, and the smoothing groove (421) being embedded in for tube body (20) one end is offered on above-mentioned second workbench (42), above-mentioned smoothing
Punch-pin (44) include centrally located positioning column (441) and be located at positioning column (441) periphery smoothing ring (442), on
Stating positioning column (441) can be inserted into the nozzle of tube body (20) other end, and smoothing ring (442) can be with flange embryo (22) phase up and down
It supports.
8. processing technology as claimed in claim 4, which is characterized in that use cutting edge mold, the cutting edge mould in the third step
Tool includes third pressing plate (51), third workbench (52), cutting edge sleeve (54) and cutting edge punch-pin (57), above-mentioned cutting edge sleeve
(54) it is fixed on the bottom surface of third pressing plate (51), the free end of the cutting edge sleeve (54) is embedded with same with the cutting edge sleeve (54)
The first cutter ring (55) of heart setting, cutting edge punch-pin (57) are fixed on the top surface of third workbench (52), the cutting edge punch-pin
(57) periphery is provided with the second cutter ring (56), and one end of tube body (20) is protruded into the centre bore of cutting edge sleeve (54), the other end
It is set on above-mentioned cutting edge punch-pin (57), the periphery that the inner peripheral surface of above-mentioned first cutter ring (55) can circumferentially with above-mentioned flange (21)
Face offsets, the outer peripheral surface of the second cutter ring (56) and the outer peripheral surface consistency from top to bottom of flange (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910188058.6A CN109733139B (en) | 2019-03-13 | 2019-03-13 | Welding structure of rocker front sleeve and processing technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910188058.6A CN109733139B (en) | 2019-03-13 | 2019-03-13 | Welding structure of rocker front sleeve and processing technology thereof |
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| CN109733139B CN109733139B (en) | 2023-10-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828701A (en) * | 2021-06-29 | 2021-12-24 | 上海汇众汽车制造有限公司 | Lining pipe and forming process method thereof |
| CN114310179A (en) * | 2021-12-30 | 2022-04-12 | 吉安大禾工业机械制造有限公司 | Control arm integrated forming device and production process thereof |
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| CN209756682U (en) * | 2019-03-13 | 2019-12-10 | 宁波建新底盘系统有限公司 | rocker arm front sleeve welding structure and machining tool thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113828701A (en) * | 2021-06-29 | 2021-12-24 | 上海汇众汽车制造有限公司 | Lining pipe and forming process method thereof |
| CN114310179A (en) * | 2021-12-30 | 2022-04-12 | 吉安大禾工业机械制造有限公司 | Control arm integrated forming device and production process thereof |
| CN114310179B (en) * | 2021-12-30 | 2023-03-03 | 吉安大禾工业机械制造有限公司 | Control arm integrated forming device and production process thereof |
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