CN105181266A - Automatic detection equipment used for airtight performance detection of rim welding line - Google Patents

Automatic detection equipment used for airtight performance detection of rim welding line Download PDF

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Publication number
CN105181266A
CN105181266A CN201510658756.XA CN201510658756A CN105181266A CN 105181266 A CN105181266 A CN 105181266A CN 201510658756 A CN201510658756 A CN 201510658756A CN 105181266 A CN105181266 A CN 105181266A
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CN
China
Prior art keywords
feeding
frock
backboard
cylinder
wheel
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Application number
CN201510658756.XA
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Chinese (zh)
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CN105181266B (en
Inventor
穆群
杨文�
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天津博益气动股份有限公司
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Priority to CN201510658756.XA priority Critical patent/CN105181266B/en
Publication of CN105181266A publication Critical patent/CN105181266A/en
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Publication of CN105181266B publication Critical patent/CN105181266B/en

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Abstract

The invention relates to automatic detection equipment used for airtight performance detection of a rim welding line. The automatic detection equipment includes at least one set of detection unit of an identical structure, and each set of detection unit includes a lifting mechanism, a material taking mechanism, a plugging mechanism and a detection mechanism; the plugging mechanism includes mutually parallel upper tool and lower tool, and is used for plugging a wheel rim, the upper tool is vertically and fixedly connected on the lifting mechanism and synchronously rises and falls with the lifting mechanism, and the lower tool is fixedly connected on an equipment frame body; and the material taking mechanism includes a material taking rod used for driving the wheel rim to complete automatic feeding. The beneficial effects of the automatic detection equipment are that automatic taking and sending processes can be realized, a detection process only requires operating personnel to adjust a welding line position, a detection result is given directly through the equipment, and performance indexes are real and reliable.

Description

For the automatic checkout equipment of wheel rim weld joint air-tight Performance Detection
Technical field
The present invention relates to rim of vehicle wheel detection technique field, particularly relate to a kind of automatic checkout equipment for wheel rim weld joint air-tight Performance Detection.
Background technology
Rim for automobile wheel is as the important composition part of running car system, and require that its butt welding place weld seam welding quality wants reliable, profile is accurate, and will have the ability of enough fatigue crack-resistants.The quality of its workmanship directly has influence on every security performance of wheel and even car load.And complex process in rim for automobile wheel manufacturing process, also will through 11 road machining processes such as an enlarging, three contour roll formings, once expansion after the welding of volume circle, then just enter airtight detection-phase, period is easy to cause weld bond to be opened to be split, crack, occur the substandard products such as tiny leak source.
But how detecting the defective product produced in this process, airtight detection thereafter just seems particularly important.Current, domestic automobile wheel rim producer is when its air-tight test operation, use bubble method, work before process is divided into test, test operation, pressurize air pressure, pressurize time delay, impermeability 6 step operate, it all requires operating personnel's visual observations, and before test will exactly as requested concentration prepare detection liquid, air-leakage test must ceaselessly detect, and guarantees to have operator to observe weld seam with or without bubbling.This detection method, requires that manual operation process of hunting leak must be careful, comprehensive, more requires that operator will have good phychology, by observing with patience, repeating leakage detection, just must can find the accurate location of drain-source.
However, this detection method precision also lacks larger room for promotion, the highlyest can only detect 0.1Pa*m 3the leak rate of/s, poor reliability.And, remain in detection liquid (alkalescence) on workpiece if clear up bad, also can bring the impacts such as certain corrosion to surface of the work.
Summary of the invention
For the above-mentioned defect that existing rim for automobile wheel weld seam detection exists, the present invention aims to provide a kind of automatic checkout equipment for wheel rim weld joint air-tight Performance Detection, solve the problems such as the precision existed in prior art is low, poor reliability, cost are high, difficult quantitation, efficiency are not high, operative is complicated, thus greatly improve accuracy of detection and the Detection job of wheel rim weld seam, ensure that automotive wheel high-quality, high efficiency assembling.
For achieving the above object, technical scheme of the present invention is achieved in that
For the automatic checkout equipment of wheel rim weld joint air-tight Performance Detection, comprise the identical detecting unit of at least one nested structure, often overlap detecting unit and comprise elevating mechanism, material fetching mechanism, plugging mechanism and testing agency; Described plugging mechanism comprises the upper frock and lower frock that are parallel to each other, and for shutoff rim for automobile wheel, described elevating mechanism is vertically fixed in directly over frock, and described frock is along with elevating mechanism synchronization lifting, and described lower frock is fixed on equipment support body; Described material fetching mechanism comprises feeding bar, described feeding bar is connected by backboard with elevating mechanism, described backboard one end and elevating mechanism affixed, described backboard drives feeding bar and along with elevating mechanism synchronization lifting, described feeding bar is slidably connected to the other end of backboard, and can along backboard and the perpendicular square upward sliding of elevating mechanism direction of motion.
Further, described feeding bar be arranged at least two in parallel, and is positioned in same level, and described feeding bar one end is placed in the side of backboard, and the other end is placed in the both sides of lower frock through backboard; Described material fetching mechanism also comprises feeding cylinder, and described feeding cylinder parallels with feeding bar, and one end of described feeding cylinder is fixed on backboard, and the other end is connected with feeding bar by web joint, and described web joint drives feeding bar along with feeding cylinder synchronizing moving.
Further, described material fetching mechanism also comprises guide pole, and described guide pole parallels with feeding cylinder, and described guide pole one end is fixed on backboard, and the other end passes web joint and is flexibly connected with web joint.
Further, the side of the affixed lower frock of described equipment support body is also provided with line slide rail, and described backboard is provided with the slip holder coordinated with line slide rail, and described backboard can move along line slide rail.
Further, the upper frock that described elevating mechanism also comprises for affixed upper frock installs matrix, and described upper frock installs the underpart of the piston rod that matrix is fixed in pneumohydraulic pressure-cylinder; Described upper frock is installed matrix and is connected on the piston rod of pneumohydraulic pressure-cylinder by active joint.
Further, the end that described feeding bar stretches out backboard is provided with feeding locating wheel.
Further, the outside surface of described feeding locating wheel and the profiling of rim for automobile wheel external surface shape.
Further, also rolling bearing is provided with between described feeding bar and feeding locating wheel.
Further, described feeding locating wheel is the softer nylon material of material.
Further, described elevating mechanism comprises dynamical element, and described dynamical element is cylinder, hydraulic cylinder or pneumohydraulic pressure-cylinder.
The beneficial effect that the present invention has is:
1, can realize automatic part picking, send part process, testing process only needs operating personnel to adjust position while welding, and all the other artificially do not participate in completely, directly provide testing result by equipment, and performance index are true and reliable.
2, by the combination of actions between each mechanism, the automated procedure of whole detection is achieved.Meanwhile, be connected between equipment with tool fixture and be all designed to quick-replaceable form, achieve the versatility of this equipment.
3, for profile existing defects, dimensional discrepancy is comparatively large, and the rim for automobile wheel not within tolerance permitted range can be detected as unacceptable product simultaneously, improve the reliability of detection.
4, the feeding locating wheel that material is softer directly contacts with rim for automobile wheel, and adds rolling bearing between feeding locating wheel and feeding bar, avoids the generation of wearing and tearing, substantially prolongs the serviceable life of feeding structure.
Accompanying drawing explanation
Fig. 1 is that the present invention is for isometric view before the automatic checkout equipment of wheel rim weld joint air-tight Performance Detection;
Fig. 2 is that the present invention is for isometric view after the automatic checkout equipment of wheel rim weld joint air-tight Performance Detection;
Fig. 3 is the structural representation of the present invention for the automatic checkout equipment of wheel rim weld joint air-tight Performance Detection;
Fig. 4 is the enlarged partial sectional view of A shown in Fig. 2;
Fig. 5 is the enlarged partial sectional view of B shown in Fig. 2.
In figure:
1, dynamical element, 2, line slideway, 3, backboard, 4, transmission line body, 5, active joint, 6, upper frock installs matrix, 7, upper frock, 8, lower frock, 9, guide pole, 10, feeding cylinder, 11, equipment support body, 12, feeding bar, 13, feeding locating wheel, 14, hydrogen gas leakage detector, 15, web joint, 16, lower frock supporting seat, 17 rim for automobile wheel.
Embodiment
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Automatic checkout equipment for wheel rim weld joint air-tight Performance Detection provided by the present invention, with reference to shown in Fig. 1, before feeding, rim for automobile wheel 17 is by transmission line body 4 feeding, rim for automobile wheel 17, along slightly slow inclined-plane roll on themselves, arranges at corresponding station and stops rear stopping.
Consider the diversity of different wheel wheel rim 17 size, according to pneumohydraulic pressure-cylinder 1 range 200mm, the height 820mm of production scene transmission line body 4, and the size of maximum wheel rim and minimum wheel rim, calculating frock 8 bottom surface under equipment far from the suitable distance on ground is 1240mm, the determination of this size, achieves the versatility of this equipment for different size size wheel rim.
With reference to shown in Fig. 1,2, comprise the identical detecting unit of at least one nested structure, often overlap detecting unit and comprise elevating mechanism, material fetching mechanism, plugging mechanism and testing agency.
Elevating mechanism comprises dynamical element, wherein, dynamical element can be cylinder, hydraulic cylinder or pneumohydraulic pressure-cylinder 1, consider that pneumohydraulic pressure-cylinder 1 is compared with hydraulic cylinder, cylinder, pneumohydraulic pressure-cylinder 1 has with low cost, clean energy and the larger advantage of power output, therefore dynamical element is preferably pneumohydraulic pressure-cylinder 1.
Plugging mechanism comprises the upper frock 7 and lower frock 8 that are parallel to each other, upper frock 7 and lower frock 8 structure are rim for automobile wheel 17 profiling fixture, lower frock 8 is fixed on lower frock supporting seat 16, lower frock supporting seat 16 is fixed on equipment support body 11, upper frock 7 is arranged on lower frock 8, upper frock 7 is connected with pneumohydraulic pressure-cylinder 1 and can be elevated along with pneumohydraulic pressure-cylinder 1 synchronous linear, and pneumohydraulic pressure-cylinder 1 is arranged at directly over frock 7, and pneumohydraulic pressure-cylinder 1 is fixed on equipment support body 11.
With reference to shown in Fig. 3,4, simultaneously, for the ease of removing and installing of upper frock 7, the upper frock that elevating mechanism also comprises for affixed upper frock 7 installs matrix 6, upper frock installs the underpart of the piston rod that matrix 6 is fixed in pneumohydraulic pressure-cylinder 1, and upper frock installation matrix 6 is connected on the piston rod of pneumohydraulic pressure-cylinder 1 by active joint 5.
With reference to shown in Fig. 4,5, in order to realize self-feeding, the side that upper frock installs matrix 6 is vertically connected with backboard 3, and backboard 3 one end and upper frock are installed matrix 6 and fixed, and the other end is connected with material fetching mechanism; Material fetching mechanism comprises feeding cylinder 10 and feeding bar 12, feeding bar 12 be arranged at least two in parallel, and be positioned in same level, feeding bar 12 one end is placed in the side of backboard 3, the other end is placed in the both sides of lower frock 8 through backboard 3, and the rim for automobile wheel 17 of different size size can be placed in the end that feeding bar 12 passes backboard 3; Feeding cylinder 10 parallels with feeding bar 12, and one end of feeding cylinder 10 is fixed on backboard 3, and the other end is connected with feeding bar 12 by web joint 15, and web joint 15 can drive feeding bar 12 along with feeding cylinder 10 synchronizing moving.
In order to ensure the stability of feeding bar 12 movement, material fetching mechanism also comprises guide pole 9, guide pole 9 parallels with feeding cylinder 10, guide pole 9 one end is fixed on backboard 3, the other end passes web joint 15 and is flexibly connected with web joint 15, to ensure that feeding cylinder 10 drives feeding bar 12 to move on guide pole 9 by web joint 15.
In order to ensure rim for automobile wheel 17 stablizing on feeding bar 12, rim for automobile wheel 17 is avoided to slide on feeding bar 12, the end of stretching out backboard 3 at feeding bar 12 is provided with feeding locating wheel 13, feeding locating wheel 13 outside surface and the profiling of rim for automobile wheel 17 external surface shape, preferably, feeding locating wheel 13 is the softer nylon material of material, to prevent feeding locating wheel 13 from directly contacting with rim for automobile wheel 17, causes damage to rim for automobile wheel 17.
Further, after rim for automobile wheel 17 rises by feeding bar 12, need operating personnel manually to be rotated by rim for automobile wheel 17 and just can continue action after corresponding region, consider that rotary motion herein can produce friction, cause the wearing and tearing of feeding locating wheel 13, but the material of feeding locating wheel 13 determines these wearing and tearing is that it is unaffordable, may it will be made soon to lose efficacy and scrap; Preferably, between feeding locating wheel 13 and feeding bar 12, add rolling bearing, avoid the generation of wearing and tearing, substantially prolongs the serviceable life of feeding structure.
Testing agency comprises hydrogen gas leakage detector 14 and gas pipeline, and hydrogen gas leakage detector 14 is installed on equipment support body 11; During work, hydrogen enters upper frock 7 by gas pipeline, if rim for automobile wheel 17 weld seam has leak source, hydrogen can enter lower frock 8 through leak source, the hydrogen gas leakage detector 14 be connected with lower frock 8 can receive the hydrogen that leak source is revealed, and provides and specifically reveals numerical value, realizes detecting.
Principle of work: rim for automobile wheel 17 is placed on transmission line body 4, rim for automobile wheel 17 can put corresponding station along slightly slow inclined-plane roll on themselves;
Open automatic checkout equipment, pneumohydraulic pressure-cylinder 1 piston rod protrudes through backboard 3 and drives material fetching mechanism to fall to the most end, and feeding cylinder 10 is retracted, and drive feeding bar 12 to stretch out, feeding bar 12 is through rim for automobile wheel 17 endoporus;
Pneumohydraulic pressure-cylinder 1 is retracted, and is promoted by the rim for automobile wheel 17 on feeding bar 12 by backboard 3, and make rim for automobile wheel 17 depart from transmission line body 4, at this moment equipment can stop at this state;
The weld seam of rim for automobile wheel 17 need rotate to respective regions by operating personnel, and namely weld seam and the upper frock 7 of rim for automobile wheel 17 and lower frock 8 align, and after pressing the button switch, equipment continues operation automatically;
Feeding cylinder 10 stretches out, and drive feeding bar 12 and rim for automobile wheel 17 to be retracted to device interior, now rim for automobile wheel 17 is connected in lower frock 8; Pneumohydraulic pressure-cylinder 1 stretches out, upper frock 7 compresses downwards under the effect of pneumohydraulic pressure-cylinder 1, in dependence, the weld seam top seal of rim for automobile wheel 17 is formed a upper cavity by frock 7, and the weld seam lower seal of rim for automobile wheel 17 is formed a lower chamber by lower frock 8, realizes the shutoff of rim for automobile wheel 17;
Now hydrogen gas leakage detector 14 starts, and hydrogen enters upper cavity by gas pipeline, if weld seam has leak source, can provide and specifically leak numerical value, exceed and set then alarm; After detection completes, pneumohydraulic pressure-cylinder 1 is retracted, and can continue to promote after feeding locating wheel 13 contacts with rim for automobile wheel 17, rim for automobile wheel 17 and lower frock 8 depart from, then feeding cylinder 10 is retracted, and drive feeding bar 12 to stretch out, pneumohydraulic pressure-cylinder 1 stretches out, the rim for automobile wheel 17 on feeding bar 12 is driven to fall to minimum, rim for automobile wheel 17 falls after rise on transmission line body 4, and feeding cylinder 10 stretches out, and feeding bar 12 is retracted to device interior, feeding locating wheel 13 and rim for automobile wheel 17 depart from, and process is complete.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. for an automatic checkout equipment for wheel rim weld joint air-tight Performance Detection, it is characterized in that: comprise the identical detecting unit of at least one nested structure, often overlap detecting unit and comprise elevating mechanism, material fetching mechanism, plugging mechanism and testing agency;
Described plugging mechanism comprises the upper frock (7) and lower frock (8) that are parallel to each other, for shutoff rim for automobile wheel (17), described elevating mechanism is vertically fixed in directly over frock (7), described frock (7) is along with elevating mechanism synchronization lifting, and described lower frock (8) is fixed on equipment support body (11);
Described material fetching mechanism comprises feeding bar (12), described feeding bar (12) is connected by backboard (3) with elevating mechanism, described backboard (3) one end and elevating mechanism affixed, described backboard (3) drives feeding bar (12) along with elevating mechanism synchronization lifting, described feeding bar (12) is slidably connected to the other end of backboard (3), and can along the perpendicular square upward sliding of backboard (3) and elevating mechanism direction of motion.
2. the automatic checkout equipment for wheel rim weld joint air-tight Performance Detection according to claim 1, it is characterized in that: described feeding bar (12) be arranged at least two in parallel, and be positioned in same level, described feeding bar (12) one end is placed in the side of backboard, and the other end is placed in the both sides of lower frock (8) through backboard (3);
Described material fetching mechanism also comprises feeding cylinder (10), described feeding cylinder (10) parallels with feeding bar (12), one end of described feeding cylinder (10) is fixed on backboard (3), the other end is connected with feeding bar (12) by web joint (15), and described web joint (15) drives feeding bar (12) along with feeding cylinder (10) synchronizing moving.
3. the automatic checkout equipment for wheel rim weld joint air-tight Performance Detection according to claim 1, it is characterized in that: described material fetching mechanism also comprises guide pole (9), described guide pole (9) parallels with feeding cylinder (10), described guide pole (9) one end is fixed on backboard (3), and the other end passes web joint (15) and is flexibly connected with web joint (15).
4. the automatic checkout equipment for wheel rim weld joint air-tight Performance Detection according to claim 1, it is characterized in that: the side of the affixed lower frock (8) of described equipment support body (11) is also provided with line slide rail (2), described backboard (3) is provided with the slip holder coordinated with line slide rail (2), and described backboard (3) can be mobile along line slide rail (2).
5. the automatic checkout equipment for wheel rim weld joint air-tight Performance Detection according to claim 1, it is characterized in that: the upper frock that described elevating mechanism also comprises for affixed upper frock (7) installs matrix (6), described upper frock installs the underpart of the piston rod that matrix (6) is fixed in pneumohydraulic pressure-cylinder (1);
Described upper frock is installed matrix (6) and is connected on the piston rod of pneumohydraulic pressure-cylinder (1) by active joint (5).
6. the automatic checkout equipment for wheel rim weld joint air-tight Performance Detection according to claim 2, is characterized in that: the end that described feeding bar (12) stretches out backboard (3) is provided with feeding locating wheel (13).
7. the automatic checkout equipment for wheel rim weld joint air-tight Performance Detection according to claim 6, is characterized in that: the outside surface of described feeding locating wheel (13) and rim for automobile wheel (17) external surface shape profiling.
8. the automatic checkout equipment for wheel rim weld joint air-tight Performance Detection according to claim 6, is characterized in that: be also provided with rolling bearing between described feeding bar (12) and feeding locating wheel (13).
9. the automatic checkout equipment for wheel rim weld joint air-tight Performance Detection according to claim 6, is characterized in that: described feeding locating wheel (13) is the softer nylon material of material.
10. the automatic checkout equipment for wheel rim weld joint air-tight Performance Detection according to claim 1, is characterized in that: described elevating mechanism comprises dynamical element, and described dynamical element is cylinder, hydraulic cylinder or pneumohydraulic pressure-cylinder (1).
CN201510658756.XA 2015-10-13 2015-10-13 Automatic detection equipment used for airtight performance detection of rim welding line CN105181266B (en)

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CN105181266B CN105181266B (en) 2017-01-11

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN109060262A (en) * 2018-09-27 2018-12-21 芜湖飞驰汽车零部件技术有限公司 A kind of wheel rim weld joint air-tight detection device and air-tightness detection method

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CN109060262A (en) * 2018-09-27 2018-12-21 芜湖飞驰汽车零部件技术有限公司 A kind of wheel rim weld joint air-tight detection device and air-tightness detection method

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