CN112025191A - Adjustable pneumatic tool for aluminum welding type test - Google Patents
Adjustable pneumatic tool for aluminum welding type test Download PDFInfo
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- CN112025191A CN112025191A CN202010900259.7A CN202010900259A CN112025191A CN 112025191 A CN112025191 A CN 112025191A CN 202010900259 A CN202010900259 A CN 202010900259A CN 112025191 A CN112025191 A CN 112025191A
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- pneumatic tool
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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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
Abstract
The invention belongs to the technical field of tool fixtures, and relates to an adjustable pneumatic tool for an aluminum welding type test, wherein a back support on a porous platform is inserted between two bottom fixed supports, a U-shaped back through groove is formed in the back support below a welding seam formed by two welding test plates, argon gas inlet grooves are formed in the back supports on two sides of the U-shaped back through groove, argon gas side gas outlets communicated with the U-shaped back through groove are uniformly formed in the argon gas inlet grooves, a moving end limiting block is movably arranged on the front side of the back support, a fixed end limiting block is fixedly arranged on the rear side of the back support, the moving end limiting block and the fixed end limiting block are step-shaped, a moving end jacking cylinder is fixedly arranged on the outer side of the moving end limiting block, side jacking clamping blocks are clamped on the two fixed bottom supports, a side jacking cylinder is arranged on the outer side of each side jacking clamping block, the problems of low welding efficiency, high labor intensity, complex operation and large welding position precision error exist.
Description
Technical Field
The invention belongs to the technical field of tool fixtures, relates to an adjustable pneumatic tool for an aluminum welding type test, and particularly relates to an adjustable pneumatic tool for an aluminum welding type test, which is suitable for welding a new energy automobile body.
Background
With the increasing research and development of various domestic automobile manufacturing host machines, the coverage rate of new energy vehicles is higher and higher, various vehicle body forms are endless, but the new energy vehicles can be connected with the new energy vehicles in a manner that welding is mainly performed and other screw joints are assisted, one of the main means for verifying the design strength in the development process of the vehicle bodies is to perform a welding type test, and whether the design is reasonable or not is demonstrated through test results of different materials, different welding methods and different welding structure forms.
At present, the welding form test process generally adopts a simple platform to carry out manual assembly, welding and the like, so that the manual factors greatly influence welding gaps, flatness and the like, the welding quality is reduced, and the passing rate is low.
Disclosure of Invention
In view of the above, the invention provides an adjustable pneumatic tool for an aluminum welding type test, which aims to solve the problems of low welding efficiency, high labor intensity, complex operation and large welding position precision error in manual assembly welding of automobile body welding seams.
In order to achieve the purpose, the invention provides an adjustable pneumatic tool for an aluminum welding type test, which comprises a porous platform, wherein two bottom fixed supports and a back support for supporting a welding test plate are inserted into the porous platform, the back support is inserted between the two bottom fixed supports, a U-shaped back through groove is formed in the back support below a welding seam formed by the two welding test plates, argon gas inlet grooves are formed in the back supports at two sides of the U-shaped back through groove, argon gas side gas outlet holes communicated with the U-shaped back through groove are uniformly formed in the argon gas inlet grooves, a moving end limiting block is movably arranged in front of the back support, a fixed end limiting block is fixedly arranged at the back side of the back support, the moving end limiting block and the fixed end limiting block are in a step shape, a moving end abutting cylinder is fixedly arranged at the outer side of the moving end limiting block, and side pushing clamping blocks are clamped on the, and a side pushing cylinder is arranged on the outer side of the side pushing fixture block.
The beneficial effect of this basic scheme lies in: in the welding process of the welding seam of the welding test plate, the U-shaped back penetrating groove plays a role of a liner in the aluminum alloy welding process, welding leakage is prevented, the welding seam is ensured to be formed on the back simultaneously, and the U-shaped back penetrating groove is processed according to the requirements of a visual test of the U-shaped size. The argon gas inlet groove is used for providing argon gas for welding a welding seam at the bottom of the test plate. The argon side gas outlet hole is used for argon gas outlet of bottom protection, inert gases such as argon gas are filled in the bottom of the welding test plate, the inert gases enter the U-shaped back penetration groove through the argon side gas outlet hole, a welding seam molten pool is protected, and the phenomenon that the back welding seam invades air to cause the inner gas hole of the welding seam is avoided. Remove end stopper and stiff end stopper and mutually support and be used for the clearance adjustment of welding test panel, guarantee the required welding gap's of welding test panel uniformity through removing the ladder of different thickness on end stopper and the stiff end stopper.
Furthermore, an inclined support frame with the upper portion being inclined is further arranged above the two fixed bottom supports, the upper portion of the inclined support frame is an inclined support plate with the upper portion being inclined, an inclined ejection pressing block with an inclined ejection tight cylinder is arranged at the position where the inclined support plate is in contact with the welding test plate, and the inclined ejection tight cylinder is fixed on the inclined support plate. Has the advantages that: the oblique jacking pressing block is used for pressing the upper surface of the welding test plate, and the oblique jacking cylinder is used for driving the oblique jacking pressing block to move, so that the welding test plate is tightly attached to the fixed bottom support in the vertical direction, and meanwhile, the welding deformation caused by stress generated in the welding process of the welding test plate due to heating is prevented.
Furthermore, the section of the inclined top pressing block is semicircular. Has the advantages that: the semicircular front section of the pressing block is pressed through the inclined top, so that the pressing block is in linear contact with a welding test plate, and the uniform dispersion of the pressure in the horizontal direction and the vertical direction is ensured.
Furthermore, the upper part and the middle part of one side opposite to the bottom fixed support are both provided with a groove, and the two sides of the back support are integrally formed and provided with a limiting clamp matched with the groove on the bottom fixed support. Has the advantages that: the back support and the bottom fixed supports on the two sides are inserted and connected through the matching of the limiting clamp and the groove, and the upper surface of the back support and the upper surface of the bottom fixed supports are ensured to be in the same horizontal direction. The moving end jacking cylinder is used for moving the displacement of the moving end limiting block.
Furthermore, the section of the argon inlet groove is circular, square or rectangular. Has the advantages that: the argon gas inlet groove with the cross section of a circle, a square or a rectangle is convenient for the circulation of inert gas.
Further, the argon side vent hole is circular or elliptical. Has the advantages that: the round or oval argon side gas outlet hole is convenient for the uniform dispersion of inert gas in the argon inlet groove.
Furthermore, a control valve is arranged on the moving end jacking cylinder. Has the advantages that: the distance between the movable end limiting block and the fixed end limiting block is adjusted by the control valve to adjust the movable displacement, so that the gap distance required by welding is consistent with the length direction of the welding test plate.
Further, the baffle that the through-hole was seted up at the middle part is installed to the equal integrated into one piece in the outside of two fixed bottom sprags, and fixed bottom sprags are the step form, and the side pushes up the fixture block and establishes on the inboard boss of baffle, and the side pushes up the cylinder and connects the side and push up fixture block and fixed mounting in the outside of two fixed bottom sprags. Has the advantages that: the telescopic link of the side thrust cylinder pushes up through the through-hole on the baffle and treats welded welding test panel and carry out the lateral extrusion on the side thrust fixture block that corresponds, makes the welding test panel in the close laminating of horizontal direction on the removal end stopper and the stiff end stopper in both sides clearance, and the side thrust cylinder can make the welding test panel in the even atress of horizontal direction, prevents that the atress inequality from resulting in both sides welding test panel can not lean on tightly simultaneously on clearance removal end stopper and stiff end stopper.
Furthermore, the section of the back support is in an inverted 'soil' shape. Has the advantages that: the back support in the shape of the inverted 'soil' is assembled with the bottom fixed support.
Furthermore, the back support is made of copper. Has the advantages that: the back support made of copper can better conduct heat and reduce welding deformation.
Furthermore, the four corners of the bottom of the porous platform are respectively and fixedly provided with a support column, and the bottom of the support column is fixedly provided with an anti-skid pad or a sucker. Has the advantages that: the anti-skid pad or the sucking disc is convenient for stably fixing the pneumatic tool arranged on the porous platform at a proper working position.
The invention has the beneficial effects that:
1. according to the adjustable pneumatic tool for the aluminum welding type test, the bottom fixed support and the back support are connected in an inserting mode, the back support can be adjusted according to test requirements, the bottom fixed support can be repeatedly used for many times, compared with a traditional disposable welding backing plate, materials are saved, and a process of dismantling the welding backing plate after welding is omitted.
2. According to the adjustable pneumatic tool for the aluminum welding type test, the back support is made of copper, so that heat can be conducted better, and welding deformation is reduced. The design is sent out to U type groove, argon gas inlet duct and the argon gas side gas outlet that the back supported can make inert gas evenly fill at welding test piece welding seam back, avoids back welding seam invasion air to lead to the inside gas pocket of welding seam, can form better welding back through the inert gas protection and pass through, and welding seam welding quality obtains obviously improving.
3. The adjustable pneumatic tool for the aluminum welding type test disclosed by the invention can enable the inclined top pressing block to be close to the welding position to be pressed as far as possible by adopting an inclined top pressing mode and reserve a large enough welding space to adapt to manual or robot welding. Through various starting devices and the arrangement of the gap moving end limiting block and the fixed end limiting block, manual assembly time can be saved, product consistency during batch test is ensured, and the qualification rate of products is improved.
4. The adjustable pneumatic tool for the aluminum welding type test can realize quick replacement of the welding test plate, save labor, ensure the consistency of manufactured products and improve the efficiency by 30 percent, improve the detection pass rate of the welding test plate, improve the penetration detection pass rate of a point fixing mode by 80 percent compared with the prior manual assembly, and improve the ray detection pass rate by more than 50 percent by adopting back shielding gas.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural view of an adjustable pneumatic tool for an aluminum welding type test according to the present invention;
FIG. 2 is an assembly view of a back support and a bottom fixed support in the adjustable pneumatic tooling for the aluminum welding type test of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 according to the present invention.
Reference numerals: the device comprises a porous platform 1, a welding test plate 2, a back support 31, a limit clamp 311, a U-shaped back permeation groove 312, an argon gas inlet groove 313, an argon gas side air outlet hole 314, a bottom fixed support 32, a moving end limit block 33, a fixed end limit block 34, a moving end jacking cylinder 41, a side jacking cylinder 42, a side jacking clamp block 43, an inclined jacking cylinder 44 and an inclined jacking block 45.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
The adjustable pneumatic tool for the aluminum welding type test shown in the figures 1-3 comprises a porous platform 1 with jacks uniformly formed, wherein supporting columns are fixedly mounted at four corners of the bottom of the porous platform 1 respectively, and anti-slip pads or suckers are fixedly mounted at the bottom of the supporting columns, so that the pneumatic tool mounted on the porous platform 1 can be conveniently fixed at a proper working position.
Two bottom fixed supports 32 and a back support 31 for supporting the welding test plate 2 are inserted into the porous platform 1, the back support 31 is inserted between the two bottom fixed supports 32, the upper part and the middle part of one side, opposite to the bottom fixed supports 32, of the bottom fixed supports 32 are provided with grooves, and the two sides of the back support 31 are integrally formed and provided with limiting clamps 311 matched with the grooves in the bottom fixed supports 32. The back support 31 and the bottom fixing supports 32 on both sides are inserted and connected through the matching of the limiting clamp 311 and the groove, so that the upper surface of the back support 31 and the upper surface of the bottom fixing supports 32 are ensured to be in the same horizontal direction. The section of the back support 31 is inverted 'soil' -shaped, the back support 31 below the weld formed by the two welding test panels 2 is provided with a U-shaped back through groove 312, the back supports 31 on two sides of the U-shaped back through groove 312 are provided with argon gas inlet grooves 313, and the section of the argon gas inlet grooves 313 can be circular, square or rectangular, preferably circular. The argon gas inlet groove 313 is uniformly provided with argon gas side gas outlet holes 314 communicated with the U-shaped back permeation groove 312, and the argon gas side gas outlet holes 314 can be in other shapes such as a circle, an ellipse and the like. In the welding process of the welding seam of the welding test plate 2, the U-shaped back penetrating groove 312 plays a role of a liner in the aluminum alloy welding process, welding leakage is prevented, the welding seam is guaranteed to be formed on the back simultaneously, and the U-shaped back penetrating groove is processed according to the requirements of a visual test of the U-shaped size. The argon gas inlet groove 313 is used for supplying argon gas for welding a welding seam at the bottom of the test panel 2. The argon side gas outlet hole 314 is used for argon gas outlet of bottom protection, inert gases such as argon gas are filled at the bottom of the welding test plate 2, the inert gases enter the U-shaped back through groove 312 through the argon side gas outlet hole 314, a welding seam molten pool is protected, and the phenomenon that the back welding seam invades air to cause inner gas holes of a welding seam is avoided.
The back supports 31 front side slidable mounting and has removes end stopper 33, 31 rear side fixed mounting is supported at the back has stiff end stopper 34, it all is the step form to remove end stopper 33 and stiff end stopper 34, it is used for welding 2 clearance adjustment mutually supporting, guarantee the required weld gap's of welding 2 required weld gap's of examination board uniformity through the ladder of removing different thickness on end stopper 33 and the stiff end stopper 34, the outside fixed mounting that removes end stopper 33 has removal end top tight cylinder 41, remove end stopper 33 and carry out flexible removal through removing end top tight cylinder 41, the required clearance of welding is 0 ~ 10mm, it scales up in proper order for the span to use 1mm, also the required requirement of visual test is processed. The moving end abutting cylinder 41 is used for moving the moving end limiting block 33 in a displacement mode, the moving end abutting cylinder 41 is provided with a control valve, the moving end limiting block 33 and the fixed end limiting block 34 are adjusted through the control valve to move in a displacement mode, and therefore the gap distance required by welding is in accordance with the length direction of the welding test plate 2.
The equal integrated into one piece in the outside of two fixed bottom supports installs the baffle that the through-hole was seted up at the middle part, fixed bottom supports is the step form, the card is equipped with the side and pushes away tight fixture block 43 on the inboard boss of baffle, the equal fixed mounting in the outside of two fixed bottom supports has the side to push away tight cylinder 42, the telescopic link of side push cylinder 42 passes through the through-hole top on the baffle and treats welded welding test panel 2 on the side push away fixture block 43 that corresponds and carry out the lateral compression, make welding test panel 2 in the close laminating of horizontal direction on the removal end stopper 33 and the stiff end stopper 34 in both sides clearance, side push away tight cylinder 42 can make welding test panel 2 at the even atress of horizontal direction, prevent that the atress all leads to both sides welding test panel 2 can not lean on tightly simultaneously on clearance removal end stopper 33 and stiff end stopper 34.
Two fixed bottom support tops still are provided with the bearing diagonal frame that upper portion is the slope form, the upper portion of bearing diagonal frame is the bearing diagonal of slope form, the bearing diagonal is provided with the tight briquetting 45 in oblique top with the position of welding test panel 2 contact, the top sticiss piece 45 to one side and is used for compressing tightly at welding test panel 2 upper surface, the top sticiss 45 sections to one side to be semi-circular, through semicircular anterior segment, make it and welding test panel 2 linear contact, guarantee pressure at level and vertical direction homodisperse. Fixed mounting has two oblique tight cylinders 44 in top that telescopic push rod and corresponding oblique tight briquetting 45 are connected on every bearing diagonal board, and oblique tight cylinder 44 in top is used for driving oblique pushing pressure piece and removes, makes welding test panel 2 in the close laminating of vertical direction on fixed bottom supports, also plays the welding deformation that prevents to weld test panel 2 welding in-process because of being heated and produce stress and lead to simultaneously.
When the adjustable pneumatic tool for the aluminum welding type test is adopted to weld the weld joint of the automobile body welding test plate 2, the adjustable pneumatic tool mainly comprises the following process flows:
A. firstly, the back support 31 with corresponding specification requirements is inserted into the middle of the bottom fixed supports 32 at two sides through the limiting clamps 311 at two sides, and the bottoms of the bottom fixed supports 32 are inserted and fixed on the porous platform 1.
B. The moving end abutting cylinder 41 on the outer side of the moving end limiting block 33 is started to drive the moving end limiting block 33 to move towards the fixed end limiting block 34, and the moving distance is adjusted through the control valve on the moving end abutting cylinder 41, so that the distance between the moving end limiting block 33 and the fixed end limiting block 34 meets the requirement between gap gears required by welding.
C. Two welding test plates 2 to be welded are respectively placed on the bottom fixed support 32 in a mode that the grooves are opposite, and the two ends of each welding test plate 2 are close to the corresponding gap gear positions of the movable end limiting block 33 and the fixed end limiting block 34.
D. And starting the side pushing cylinders 42 on the two sides of the bottom fixed support 32 to drive the side pushing fixture blocks 43 to move, and horizontally pushing the side pushing fixture blocks 43 tightly against the gap moving end limiting block 33 and the fixed end limiting block 34 after the side pushing fixture blocks 43 contact and weld the test plate 2.
E. And starting the inclined jacking cylinder 44 to drive the inclined jacking pressing block 45 to move, and vertically jacking the inclined jacking pressing block 45 on the bottom fixed support 32 after contacting the welding test plate 2.
F. And opening a back inert gas inlet pipeline switch to enable argon to fill the whole U-shaped back permeation groove 312 along an argon side gas outlet hole 314 on the argon gas inlet groove 313.
G. And after the welding test plate 2 is clamped, welding is carried out manually or by a robot.
H. And after welding is finished, closing a back protective gas switch, withdrawing the inclined jacking cylinder 44, withdrawing the side jacking cylinder and withdrawing the moving end jacking cylinder 41 in sequence, and taking down the welded test piece.
I. And (4) welding the welding seams of the next pair of welding test pieces only needs to repeat the steps B to H.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides an experimental adjustable pneumatic frock of using of aluminium welding type, a serial communication port, including porous platform, it has two bottom fixed bolsters and a back support that are used for supporting the welding test panel to peg graft on the porous platform, the back supports pegs graft between two bottom fixed bolsters, set up U type back through groove on the back support of two welding test panel one-tenth welding seams below, set up the argon gas inlet channel on the back support of U type back through groove both sides, evenly set up on the argon gas inlet channel and pass through the communicating argon gas side air outlet in groove with U type back through, the back supports the front side and slides and installs and remove the end stopper, back support rear side fixed mounting has the stiff end stopper, it all is the step form to remove end stopper and stopper, the outside fixed mounting that removes the end stopper has removal end top tight cylinder, the card is equipped with the side and pushes away tight fixture block on two fixed bottom supports, the side pushes away and pushes away.
2. The adjustable pneumatic tool for the aluminum welding type test of claim 1, wherein an inclined support frame with an inclined upper portion is further arranged above the two fixed bottom supports, an inclined support plate with an inclined upper portion is arranged on the upper portion of the inclined support frame, an inclined top pressing block with an inclined top pressing cylinder is arranged at a position where the inclined support plate is in contact with the welding test plate, and the inclined top pressing cylinder is fixed on the inclined support plate.
3. The adjustable pneumatic tool for the aluminum welding type test of claim 2, wherein the cross section of the inclined jacking pressing block is semicircular.
4. The adjustable pneumatic tool for the aluminum welding type test of claim 1, wherein grooves are formed in the upper portion and the middle portion of the opposite side of the bottom fixed support, and limiting clamps matched with the grooves in the bottom fixed support are integrally formed in two sides of the back support.
5. The adjustable pneumatic tool for the aluminum welding type test of claim 1, wherein the cross section of the argon gas inlet groove is circular, square or rectangular.
6. The adjustable pneumatic tool for the aluminum welding type test of claim 1, wherein the air outlet hole on the argon side is circular or oval.
7. The adjustable pneumatic tool for the aluminum welding type test according to claim 1, wherein a control valve is arranged on the moving end abutting cylinder.
8. The adjustable pneumatic tool for the aluminum welding type test of claim 1, wherein the outer sides of the two fixed bottom supports are integrally provided with a baffle plate with a through hole in the middle, the fixed bottom supports are step-shaped, the side pushing clamping block is arranged on a boss on the inner side of the baffle plate, and the side pushing cylinder is connected with the side pushing clamping block and is fixedly arranged on the outer sides of the two fixed bottom supports.
9. The aluminum welding type adjustable pneumatic tool for test as claimed in claim 1, wherein the cross section of the back support is in an inverted 'earth' shape, and the back support is made of copper.
10. The adjustable pneumatic tool for the aluminum welding type test of claim 1, wherein supporting columns are fixedly installed at four corners of the bottom of the porous platform respectively, and anti-skid pads or suckers are fixedly installed at the bottoms of the supporting columns.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010900259.7A CN112025191B (en) | 2020-08-31 | 2020-08-31 | Adjustable pneumatic tool for aluminum welding type test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010900259.7A CN112025191B (en) | 2020-08-31 | 2020-08-31 | Adjustable pneumatic tool for aluminum welding type test |
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| CN112025191A true CN112025191A (en) | 2020-12-04 |
| CN112025191B CN112025191B (en) | 2022-03-29 |
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| CN112719683A (en) * | 2021-01-26 | 2021-04-30 | 浙江杨明斯金属制品有限公司 | Cart welding device and welding control method thereof |
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| CN112025191B (en) | 2022-03-29 |
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