CN105834639A - Pneumatic demoulding method of passenger car body frame from integrate welding fixture - Google Patents
Pneumatic demoulding method of passenger car body frame from integrate welding fixture Download PDFInfo
- Publication number
- CN105834639A CN105834639A CN201610271887.7A CN201610271887A CN105834639A CN 105834639 A CN105834639 A CN 105834639A CN 201610271887 A CN201610271887 A CN 201610271887A CN 105834639 A CN105834639 A CN 105834639A
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- Prior art keywords
- pneumatic
- welding fixture
- valve
- way
- pipe
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Abstract
The invention discloses a pneumatic demoulding method of a passenger car body frame from an integrate welding fixture. The pneumatic demoulding method comprises the steps of assembling a single control unit and an ejection unit and the like. According to the pneumatic demoulding method, through synchronous ejection of a plurality of cylinders, automatic demoulding of the passenger car body frame from the large-sized integrate welding fixture is realized; the modularized system design can be suitable for various large-sized body frames in different specifications and sizes and with different structures to be automatically separated from fixtures.
Description
Technical field
The present invention relates to passenger vehicle large-scale groups welding clamp field, be specially a kind of bus body skeleton assembly welding folder
Has pneumatic release method.
Background technology
Bus body skeleton is that the section bar assembly welding of plurality of specifications forms, and has structure complexity, overall size
Big feature.Bus body skeleton sheet all uses the manual type demoulding after assembly welding fixture has welded,
Owing to the anchor point of group welding clamping fixture is many and structure is complicated, and weld back skeleton assembly and there will be thermal deformation,
Causing demoulding difficulty, operating personnel's many uses overhead traveling crane hangs to drag and prizes the mode demoulding with regulations and parameters.Because stress
Uneven and stress point is few, this stripping means can cause framework deformation and the deformation of group welding clamping fixture locating piece and
Abrasion aggravation, framework deformation crosses senior general directly to be increased Skeleton emendation workload and affects car load skeleton and attach together
Precision.
Summary of the invention
The invention aims to overcome the above-mentioned not enough a kind of simple in construction, easy to use, raw of providing
Product efficiency is high, labour intensity bus body skeleton assembly welding fixture little, highly versatile, easy care is pneumatic
Release method.
A kind of bus body skeleton pneumatic release method of assembly welding fixture, it is characterised in that comprise the following steps:
The first step, assembles single control unit and ejecting unit；
Second step, is connected ejecting unit with control unit by gas circuit unit, then single by controlling
The two-position three way hand of unit is pulled valve and is controlled ejecting and backhaul of multiple single action thin cylinders；
3rd step, puts ejecting unit and puts in place, utilizes the circular utilizing powerful magnet for adsorption installed on base
On the support body of Bus Frame assembly welding fixture, it is one group according to the ejecting unit each two arranged and uses vertical
Connect to pipe, be then together in parallel with each group of longitudinal pipe going out unit of transverse pipe；
4th step, is entered one end of two-position three way handle valve and longitudinal pipe by pneumatic straight-through snap joint
Row docking, pulls valve by two-position three way hand and connects with external air source, forms system circuit.
5th step, pulls two-position three way handle valve and makes each single action thin cylinder all in backhaul state, incite somebody to action
Bus Frame assembly part completes assembly welding operation after assembly welding fixture is put and put in place, handles two-position three way hand
Handle valve makes each single action thin cylinder synchronize to eject, by Bus Frame assembly ejection device from assembly welding fixture
?.
The present invention is ejected by the synchronization of multiple cylinders, can realize bus body skeleton large-scale groups welding clamp
Automatic demoulding, and modular system design, it is possible to be applicable to various different specification size, knot
The large-scale body frame of structure automatically disengages from fixture.The present invention have simple in construction, easy to use, should
With extensively, production efficiency is high, extend the features such as flexible.
Accompanying drawing explanation
Fig. 1 is bus body skeleton assembly welding fixture of the present invention pneumatic dismoulding system structural representation.
Fig. 2 is ejecting unit structural representation of the present invention.
Fig. 3 is mode of extension schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment further illustrates the present invention.
Embodiment: the one bus body skeleton pneumatic release method of assembly welding fixture of the present invention, including following
Step: the first step, assembles single control unit A and ejecting unit C；
Second step, is connected ejecting unit C with control unit A by gas circuit unit B, then passes through
The two-position three way hand of control unit A is pulled valve 1 and is controlled ejecting and backhaul of multiple single action thin cylinder 8；
3rd step, puts ejecting unit C and puts in place, utilizes the circular strong magnets installed on base 9
14 absorption, on the support body of Bus Frame assembly welding fixture, according to the ejecting unit C each two arranged are
Connect with longitudinal pipe 4b for one group, then go out the longitudinal pipe 4b parallel connection of unit C by each group of transverse pipe 4a and rise
Come；
4th step, by pneumatic straight-through snap joint 2 by two-position three way handle valve 1 and longitudinal pipe 4b
One end is docked, and two-position three way hand is pulled valve 1 and connects with external air source, forms system circuit.
5th step, pull two-position three way handle valve 1 make each single action thin cylinder 8 all in backhaul state,
Bus Frame assembly part is completed after assembly welding fixture is put and put in place assembly welding operation, handles two-position three way
Handle valve 1 makes each single action thin cylinder 8 synchronize to eject, and Bus Frame assembly is many from assembly welding fixture
Ejection device in individual U-shaped locating piece.
The described first step pulls valve 1, pneumatic straight-through snap joint 2 and copper particularly as follows: first take two-position three way hand
Joint air valve silencer 3, is installed on two-position three way hand by pneumatic straight-through snap joint 2 and pulls the air inlet of valve 1
On mouth, copper sleeve air valve silencer 3 is installed on two-position three way hand and pulls composition control on the exhaust outlet of valve 1
Unit A processed；Then single action thin cylinder 8, base 9, T-shaped adjustment screw rod 10, the unidirectional joint of L-type are taken
Stream valve quick connector 12 and round strong magnets 14, be arranged on base 9 by single action thin cylinder 8
Upper surface, arranges counterbore at base 9 lower surface, by round strong magnets 14 by M6x10 cross recess
Sunk screw 15 is arranged in counterbore, and makes the lower surface of round strong magnets 14 and base 9 times
Flush, is installed on T-shaped adjustment screw rod 10 in the piston rod M10 screw of single action thin cylinder 8,
And by M10 slim nut 11 locking composition ejecting unit C.
Transverse pipe 4a in described 3rd step and the material of longitudinal pipe 4b are PU flexible pipe, described laterally
Stainless steel threading flexible pipe all it is cased with outside pipe 4a and longitudinal pipe 4b.
Between docking, transverse pipe 4a and transverse pipe 4a between described transverse pipe 4a and longitudinal pipe 4b
Docking and longitudinal pipe 4b and longitudinal pipe 4b between docking all use Pneumatic four-way snap joint 6
Or Pneumatic three-way snap joint 7, described Pneumatic four-way snap joint 6, Pneumatic three-way snap joint 7,
Transverse pipe 4a and longitudinal pipe 4b form gas circuit unit B.
In described 5th step, single action thin cylinder 8 is in backhaul state when frame assembly welds, de-
During mould, single action thin cylinder 8 is in the state of ejecting, and many places cylinder ejects simultaneously and pushed away by body frame assembly
Go out each locating piece of assembly welding fixture.
The device that this method is used includes control unit A, multiple gas circuit unit B and ejecting unit C,
One end of described control unit A is connected with external air source, and the other end of described control unit A passes through
Gas circuit unit B is connected with ejecting unit C.Described control unit A include two-position three way hand pull valve 1,
Pneumatic straight-through snap joint 2 and copper sleeve air valve silencer 3, described pneumatic straight-through snap joint 2 is installed
Pulling on the inlet and outlet mouth of valve 1 in two-position three way hand, described copper sleeve air valve silencer 3 is installed on two
Position threeway hand is pulled on the exhaust outlet of valve 1, and described two-position three way hand is pulled valve 1 and connected with external air source.Institute
State gas circuit unit B and include that multiple PU flexible pipe 4, described PU flexible pipe 4 are outside equipped with stainless steel threading flexible pipe,
The plurality of PU flexible pipe 4 includes transverse pipe 4a and longitudinal pipe 4b, and the two ends of described longitudinal pipe 4b are respectively
Being connected with ejecting unit C, one end of described transverse pipe 4a is connected with control unit A, described transverse pipe
The other end of 4a is connected with longitudinal pipe 4b by Pneumatic four-way snap joint 6 or Pneumatic three-way snap joint 7
Connect.Described ejecting unit C includes single action thin cylinder 8, base 9, T-shaped adjustment screw rod 10, L-type
One-way throttle valve quick connector 12 and round strong magnets 14, described single action thin cylinder 8 is arranged on
The upper surface of base 9, described base 9 lower surface is provided with for installing the heavy of round strong magnets 14
Hole, described round strong magnets 14 is arranged in counterbore by M6x10 cross recessed countersunk head sscrew 15,
The lower surface of described round strong magnets 14 is concordant with the lower surface of base 9, described T-shaped adjustment screw rod
10 are installed on the piston rod M10 screw of single action thin cylinder 8, and can pass through the slim nut of M10 11
Locking.Described L-type one-way throttle valve quick connector 12 is installed on single action thin cylinder 8 inlet and outlet mouth
On.The φ of described PU flexible pipe 4 is 12mm, described PU flexible pipe 4 according to 1000mm, 1500mm and
Tri-kinds of length of 2000mm cut system.The φ of described stainless steel threading flexible pipe is 18mm, described stainless steel threading
Flexible pipe cuts system according to tri-kinds of length of 1000mm, 1500mm and 2000mm.Described single action thin cylinder 8
Use SDA63x25.Described single action thin cylinder 8 effective travel is 25mm.Counterbore on described base 9
φ be 30mm, the degree of depth is 10mm.Side, described T-shaped adjustment screw rod 10T type termination is machined with at two
Square face, the φ of described T-shaped adjustment screw rod 10T type termination is 36mm, described circular strong magnets φ
For 30mm, height is 10mm, and center is with counterbore.
Pneumatic straight-through snap joint 2 is installed on two-position three way hand and pulls on valve 1, for the quick inserting of tracheae
Connect；Copper sleeve air valve silencer 3 is installed on two-position three way hand and pulls on the exhaust outlet of valve 1, is used for eliminating
System exhaust noise；Stainless steel threading hose overcoat, on PU flexible pipe 4, is used for preventing during welding splashing
Welding slag scald PU flexible pipe 4；The gas circuit connection of each ejecting unit C is parallel way；Gas circuit unit
The PU flexible pipe 4 of B docks and all uses snap joint, in order to the flexible expansion of pneumatic dismoulding system and should
With, and easy to maintenance；Single action thin cylinder 8 uses M6x60 hexagon socket cap head screw to be fixed on
On base 9；Be provided with on base 9 four install cylinders counterbore；M6 spiral shell it is provided with on base 9
Nail, for fixing of circular strong magnets 14；T-shaped adjustment screw rod 10 is installed on single action thin cylinder
On the M10 screw of 8 piston rods, for the adjustment of local jack-up height；The slim nut of M10 is installed on T
Type adjusts the locking on screw rod 10, after T-shaped adjustment screw rod 10 adjusts；L-type one-way throttle valve is fast
Connection-peg 12 is installed on single action thin cylinder 8 inlet and outlet mouth, for this cylinder jack-up, backhaul speed
The adjustment of degree, to ensure each cylinder jack-up rate uniformity of pneumatic dismoulding system；L-type one-way throttle valve
Quick connector 12 also ensures that the quick grafting of PU flexible pipe 4；Circular strong magnets 14 uses M6x10
Cross recessed countersunk head sscrew 15 is fixed on base 9.The gas circuit of pneumatic dismoulding system all uses PU flexible pipe 4,
The connection of flexible pipe road all uses quick connector, and the extension of ejecting unit C, gas circuit unit B is convenient；The pneumatic demoulding
System can arrange flexibly according to the concrete structure of Bus Frame assembly welding fixture and body frame and increase and decrease, suitable
Answering property is extremely strong；Ejecting unit C uses utilizing powerful magnet for adsorption in Bus Frame assembly welding fixture, fixes reliable,
Easy to adjust；The source of the gas of pneumatic dismoulding system is accessed two-position three way hand by outside and pulls valve 1；Pneumatic demoulding system
System often set be configured with control unit A and multiple ejecting unit C, gas circuit unit B, dismoulding system by
The two-position three way hand of control unit A is pulled valve 1 and is handled, and two-position three way hand pulls valve 1 can control dismoulding system
The synchronization action of multiple ejecting unit C；Pneumatic dismoulding system is that modularized design extension is flexible, mobile
It is convenient, after the passenger vehicle large, medium and small type frame assembly welding of various different structure, size can be met
The demoulding.Single action thin cylinder 8 is in backhaul state when frame assembly welds, and during the demoulding, single action is slim
Cylinder 8 is in the state of ejecting, and many places cylinder ejects each for body frame assembly release assembly welding fixture simultaneously
Locating piece.
Operation principle:
Pneumatic dismoulding system is modularized design, and often set set dismoulding system is configured with control unit A
With multiple gas circuit unit B, ejecting unit C, ejecting unit C is by gas circuit unit B and control unit A
Connect, pull valve 1 by the two-position three way hand of control unit A and control the top of multiple single action thin cylinder 8
Go out and backhaul.According to Bus Frame assembly welding fixture and need assembly welding frame assembly concrete structure by ejecting unit C
Putting puts in place utilizes the circular strong magnets 14 installed on base 9 to adsorb at Bus Frame assembly welding fixture
On support body, select PU flexible pipe 4 and the stainless steel threading of cut lengths according to the ejecting unit C arranged
Flexible pipe, by L-type one-way throttle valve quick connector 12 and Pneumatic four-way snap joint 6, pneumatic three
Logical snap joint 7, is plugged to paralleling model by each ejecting unit C, finally by two-position three way handle valve
Pneumatic straight-through snap joint 2 on 1 carries out system docking, and dismoulding system source of the gas is introduced two three by outside
Logical handle valve 1, forms system circuit.Pull two-position three way handle valve 1 and make each single action thin cylinder 8 all
It is in backhaul state, Bus Frame assembly part is completed assembly welding operation after assembly welding fixture is put and put in place,
Handle two-position three way handle valve 1 make each single action thin cylinder 8 synchronize eject, by Bus Frame assembly from
Ejection device in the multiple U-shaped locating piece of assembly welding fixture.
The present invention possesses the function of modularized design, modularization assembling, it is possible to resolve due to passenger vehicle Large Bone
Frame assembly weld on assembly welding fixture after thermal deformation, and weld jig locating piece is many, and skeleton structure is multiple
The reason such as miscellaneous, the problem that frame assembly takes out difficulty from assembly welding fixture.Due to demoulding difficulty, operation
Personnel's many uses overhead traveling crane falls to drag and prizes the mode demoulding with regulations and parameters.Because unbalance stress and stress point are few, this
Plant stripping means and can cause framework deformation and the deformation of group welding clamping fixture locating piece and abrasion aggravation, framework deformation
Cross senior general directly increase Skeleton emendation workload and affect car load skeleton assemblage precision.
Ejecting unit C, gas circuit unit B can be according to Bus Frame assembly welding fixture and the concrete knots of body frame
Structure arranges flexibly and increases and decreases, and adaptability is extremely strong, is suitable for the bus body of the different structure of various vehicle
Skeleton and the demoulding of assembly welding fixture.The present invention have modularized design, extend flexible and changeable, structure is simple
Single, be easily maintained, the feature such as easy to use, reliable operation, be suitable for various bus body skeleton assembly weldings
The automatic demoulding of fixture.
Claims (5)
1. the bus body skeleton pneumatic release method of assembly welding fixture, it is characterised in that include following step
Rapid: the first step, assemble single control unit and ejecting unit；
Second step, is connected ejecting unit with control unit by gas circuit unit, then single by controlling
The two-position three way hand of unit is pulled valve and is controlled ejecting and backhaul of multiple single action thin cylinders；
3rd step, puts ejecting unit and puts in place, utilizes the circular utilizing powerful magnet for adsorption installed on base
On the support body of Bus Frame assembly welding fixture, it is one group according to the ejecting unit each two arranged and uses vertical
Connect to pipe, be then together in parallel with each group of longitudinal pipe going out unit of transverse pipe；
4th step, is entered one end of two-position three way handle valve and longitudinal pipe by pneumatic straight-through snap joint
Row docking, pulls valve by two-position three way hand and connects with external air source, forms system circuit.
5th step, pulls two-position three way handle valve and makes each single action thin cylinder all in backhaul state, incite somebody to action
Bus Frame assembly part completes assembly welding operation after assembly welding fixture is put and put in place, handles two-position three way hand
Handle valve makes each single action thin cylinder synchronize to eject, by Bus Frame assembly ejection device from assembly welding fixture
?.
The bus body skeleton pneumatic release method of assembly welding fixture the most according to claim 1, its feature
It is: the described first step pulls valve, pneumatic straight-through snap joint and copper particularly as follows: first take two-position three way hand
Joint air valve silencer, is installed on two-position three way hand by pneumatic straight-through snap joint and pulls on the air inlet of valve,
Copper sleeve air valve silencer is installed on two-position three way hand and pulls composition control unit on the exhaust outlet of valve；So
After take single action thin cylinder, base, T-shaped adjustment screw rod, L-type one-way throttle valve quick connector and circle
Type strong magnets, is arranged on the upper surface of base by single action thin cylinder, and it is heavy to arrange in base lower surface
Hole, is arranged on round strong magnets in counterbore by M6x10 cross recessed countersunk head sscrew, and makes round
The lower surface of strong magnets is concordant with the lower surface of base, T-shaped adjustment screw rod is installed on single action slim
In the piston rod M10 screw of cylinder, and form ejecting unit by the slim nut locking of M10.
The bus body skeleton pneumatic release method of assembly welding fixture the most according to claim 2, its feature
Be: transverse pipe in described 3rd step and the material of longitudinal pipe are PU flexible pipe, described transverse pipe and
Stainless steel threading flexible pipe all it is cased with outside longitudinal pipe.
The bus body skeleton pneumatic release method of assembly welding fixture the most according to claim 3, its feature
Be: the docking between docking, transverse pipe and transverse pipe between described transverse pipe and longitudinal pipe and
Docking between longitudinal pipe and longitudinal pipe all uses Pneumatic four-way snap joint or Pneumatic three-way quickly to connect
Head, described Pneumatic four-way snap joint, Pneumatic three-way snap joint, transverse pipe and longitudinal pipe composition gas
Road unit.
The bus body skeleton pneumatic release method of assembly welding fixture the most according to claim 4, its feature
It is: in described 5th step, single action thin cylinder is in backhaul state when frame assembly welds, de-
During mould, single action thin cylinder is in the state of ejecting, and many places cylinder ejects simultaneously to be released body frame assembly
The each locating piece of assembly welding fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610271887.7A CN105834639B (en) | 2016-04-28 | 2016-04-28 | The pneumatic release method of bus body skeleton group welding clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610271887.7A CN105834639B (en) | 2016-04-28 | 2016-04-28 | The pneumatic release method of bus body skeleton group welding clamp |
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| Publication Number | Publication Date |
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| CN105834639A true CN105834639A (en) | 2016-08-10 |
| CN105834639B CN105834639B (en) | 2017-11-10 |
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| CN201610271887.7A Active CN105834639B (en) | 2016-04-28 | 2016-04-28 | The pneumatic release method of bus body skeleton group welding clamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234397A (en) * | 2017-08-03 | 2017-10-10 | 合肥市华林模具有限公司 | A kind of horizontal welding tooling of box body |
| CN108942052A (en) * | 2018-09-04 | 2018-12-07 | 桂林航天工业学院 | A kind of bus body skeleton welding fixture with turn over function |
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| EP2017033A2 (en) * | 2007-07-20 | 2009-01-21 | Mauro Odori | Safe welding system for interventions of installation, repair, maintenance on low pressure gas methane supply piping |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234397A (en) * | 2017-08-03 | 2017-10-10 | 合肥市华林模具有限公司 | A kind of horizontal welding tooling of box body |
| CN108942052A (en) * | 2018-09-04 | 2018-12-07 | 桂林航天工业学院 | A kind of bus body skeleton welding fixture with turn over function |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105834639B (en) | 2017-11-10 |
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