CN104316459A - Automatic detection impact testing machine of high-strength structural adhesive for automobile and method - Google Patents
Automatic detection impact testing machine of high-strength structural adhesive for automobile and method Download PDFInfo
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- CN104316459A CN104316459A CN201410685267.9A CN201410685267A CN104316459A CN 104316459 A CN104316459 A CN 104316459A CN 201410685267 A CN201410685267 A CN 201410685267A CN 104316459 A CN104316459 A CN 104316459A
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Abstract
The invention relates to an automatic detection impact testing machine of a high-strength structural adhesive for an automobile and a method. The automatic detection impact testing machine comprises a machine frame. The machine frame is composed of a bottom plate, a supporting frame, an upper plate, a side plate and a rib plate. The upper plate is connected with a transition connection piece, the transition connection piece is connected with an upper pin base, and a testing steel plate A is fixed to the upper pin base. The side plate is connected with a horizontal fixing piece, and an electromagnetic block brake is fixed to the other end of the horizontal fixing piece. A center guide hole of a movable counter weight is in sliding fit with a scale pull rod, the upper end of the scale pull rod is fixedly connected with a lower pin base through a rod connector, and a testing steel plate B is fixed to the lower pin base. The testing steel plate A and the testing steel plate B are of the same structure, and the horizontal plane of the testing steel plate A corresponds to the horizontal plane of the testing steel plate B. The lower end of the scale pull rod is connected with a base plate, and the lower surface of the base plate makes close contact with a contact of a displacement sensor. The automatic detection impact testing machine is higher in adaptability and precision, convenient to operate, more accurate in size control, capable of obtaining more accurate tested values and free of artificial errors of a measuring scale, has uniform testing conditions and standards and stable, and can obtain accurate testing results.
Description
Technical field
The present invention relates to structure glue pick-up unit, particularly a kind of automobile high-strength structure glue detects impact testing machine and method automatically.
Background technology
Vehicle body high strength structural adhesion is that not easily spot welding or some as deposited strength still do not reach the bonding of the position of requirement in automobile making.Bonding rear persistence is high, can improve rigidity and the crash worthiness of vehicle body.If do not have automotive high intensity structure glue will affect the performance of vehicle body, automaker payes attention to the requirement to automotive high intensity structure glue glue more thus, because automotive high intensity structure glue does not have national standard and industry standard, only have supply manufacturer and automaker jointly to decide through consultation and use company standard.For ensureing performance and the request for utilization technical standard of automotive high intensity structure glue, and design vehicle high strength structural adhesion detects impact test apparatus automatically, for reaching high strength structural adhesion manufacturer factory calibration, to meet the technical property requirements of automaker very necessary, and not yet have Related product to occur in the market, also have no the report of document to correlation technique.How to address this problem the problem just becoming those skilled in the art and will study and solve.
Summary of the invention
Object of the present invention is exactly for overcoming the deficiencies in the prior art, for structure glue test problems, a kind of automobile high-strength structure glue is provided automatically to detect the design proposal of impact testing machine, possess unified test condition, standard, stable and test result accurately by invention warranty test, for the industry national standard is formulated to strength structure glue and industry standard provides reliable testing hardware basis and test data reference; Accumulate experience.Realize accurately detecting qualified automotive high intensity structure glue, to ensure performance and the requirement of body of a motor car with this equipment.
The present invention is realized by such technical scheme: automobile high-strength structure glue detects impact testing machine automatically, it is characterized in that, comprise frame, frame is made up of base plate, bracing frame, upper plate, side plate and gusset, transition piece is connected as supporting surface by upper plate, upper dowel bushing is connected again, fixing test steel plate A on upper dowel bushing by transition piece;
One end of horizontal fixed members is connected as supporting surface, the other end Motionless electromagnetic block brake of horizontal fixed members by side plate; Electromagnetic blocked brake is for clamping movable weight, and the center of movable weight is provided with guide hole, is installed with scale pull bar in guide hole, and guide hole and scale pull bar are slidably matched;
The upper end of scale pull bar is fixedly connected with lower dowel bushing by connecting rod device, fixing test steel plate B on lower dowel bushing; Test steel plate A is identical with the structure of test steel plate B, and its respective surface level is corresponding, specular, both opposite faces gluing and face as strength structure glue;
The lower end connecting base plate of scale pull bar, the upper surface on chassis is as the positive stop end of movable weight and force side; The lower surface on chassis is as the contact close contact of power conducting surface and displacement transducer; Displacement transducer is fixed in sensor holder, and sensor holder is fixed on above base plate;
Electromagnetic blocked brake action is controlled by Electromagnetic Control case; Displacement transducer connects numerical monitor offset table by wire.
The invention has the beneficial effects as follows: the present invention is according to technical indicator. falling bodies requirement for height carrys out sizing height, its adaptability is strengthened, precision is higher, controls movable weight with electromagnetic blocked brake, only need operate by Electromagnetic Control case switch during test, convenient and practical, detect displacement with displacement transducer, it is easy to operate, and size Control is more accurate, measured value is more accurate, does not have the error of artificial gage.Possess unified test condition, standard, stable and test result accurately by warranty test of the present invention, for the industry national standard is formulated to strength structure glue and industry standard provides reliable testing hardware basis and test data reference; Accumulate experience.Realize accurately detecting qualified automotive high intensity structure glue, to ensure performance and the requirement of body of a motor car with this equipment.
Accompanying drawing explanation
Fig. 1, automobile high-strength structure glue detect impact testing machine axonometric drawing A automatically;
Fig. 2, automobile high-strength structure glue detect impact testing machine axonometric drawing B automatically;
Fig. 3, rack section axonometric drawing;
Fig. 4, partial exploded view A of the present invention;
Fig. 5, partial exploded view B of the present invention;
Fig. 6, partial exploded view C of the present invention;
Fig. 7, partial assembly drawing of the present invention;
Fig. 8, electromagnetic blocked brake and horizontal fixed members assembly drawing;
The fixing figure of Fig. 9, displacement transducer.
In figure: 1. frame, 2. transition piece, 3. go up dowel bushing, 4. test steel plate A, 5. test steel plate B, 6. descend dowel bushing, 7. connecting rod device, 8. horizontal fixed members, 9. electromagnetic blocked brake, 10. scale pull bar, 11. movable weights, 12. chassis, 13. sensor holders, 14. displacement transducers, strength structure glue is used in 15. tests, 16. Electromagnetic Control casees, 17. numerical monitor offset tables;
101. base plates, 102. bracing frames, 103. upper plates, 104. side plates, 105. gussets;
1401. contact.
Embodiment
For a more clear understanding of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments:
As shown in Figures 1 to 9, automobile high-strength structure glue detects impact testing machine automatically, comprise frame 1, frame 1 is made up of base plate 101, bracing frame 102, upper plate 103, side plate 104 and gusset 105, transition piece 2 is connected as supporting surface by upper plate 103, upper dowel bushing 3 is connected again, fixing test steel plate A4 on upper dowel bushing 3 by transition piece 2;
One end of horizontal fixed members 8 is connected as supporting surface, the other end Motionless electromagnetic block brake 9 of horizontal fixed members 8 by side plate 104; Electromagnetic blocked brake 9 is for clamping movable weight 11, and the center of movable weight 11 is provided with guide hole, is installed with scale pull bar 10 in guide hole, and guide hole and scale pull bar 10 are slidably matched;
The upper end of scale pull bar 10 is fixedly connected with lower dowel bushing 6 by connecting rod device 7, fixing test steel plate B5 on lower dowel bushing 6; Test steel plate A4 is identical with the structure of test steel plate B5, and its respective surface level is corresponding, specular, both opposite faces gluing and face as strength structure glue 15;
The lower end connecting base plate 12 of scale pull bar 10, the upper surface on chassis 12 is as the positive stop end of movable weight 11 and force side; The lower surface on chassis 12 is as contact 1401 close contact of power conducting surface and displacement transducer 14; Displacement transducer 14 is fixed in sensor holder 13, and sensor holder 13 is fixed on above base plate 101;
Electromagnetic blocked brake 9 action is controlled by Electromagnetic Control case 16; Displacement transducer 14 connects numerical monitor offset table 17 by wire.
Automobile high-strength structure glue detects the test method of impact testing machine automatically, comprises the steps:
1) electromagnetic blocked brake 9 is selected to determine movable weight 11 height of drop, after test height is determined, by the screw fastening that horizontal fixed members 8 is connected with side plate 104 apart from the distance of the upper surface on chassis 12;
2) test strength structure glue 15 is applied at test steel plate A4 and test steel plate B5 opposite face;
3) lower surface on chassis 12 and contact 1401 close contact of displacement transducer 14 is made;
4) be placed in the brake(-holder) block of electromagnetic blocked brake 9 by movable weight 11, the brake(-holder) block being controlled electromagnetic blocked brake 9 by Electromagnetic Control case 16 is in the state of tightening up, and movable weight 11 is fixed on inside brake(-holder) block;
5) test starts, and the brake(-holder) block being controlled electromagnetic blocked brake 9 by Electromagnetic Control case 16 is in relieving state; Movable weight 11 is along the downward free landing of scale pull bar 10;
6) movable weight 11 drops down onto the upper surface on chassis 12 along scale pull bar 10 free skating downwards, and the free landing of movable weight 11 forms kinetic energy and conducts to the contact 1401 of displacement transducer 14;
Embodiment 1: test steel plate A4 is L-type with test steel plate B5, and wide is 25mm, thick 0.8mm, long 200mm, beat the hole of diameter 6mm at the 10mm place of upper dowel bushing 3 or lower dowel bushing 6 linkage section termination, have hole end surface 40mm place to be bent 90 degree huge, glue sample is coated in test piece; Glue sample area is 25mm × 160mm, and thickness is 0.1mm.
Two panels test steel plate is symmetrical, both do spacer bar with diameter 0.1mm Gang Silk between doubling plane relatively, to keep certain bonding thickness, then clamp both sides with agrafe, removed by unnecessary glue after clamping, normal temperature places more than 1 hour, then baking oven is put into 170 DEG C of bakings 20 minutes, take out after solidification, then after placing 24 hours, removing clip.
Test steel plate A4 is put into upper dowel bushing 3, inserts in upper dowel bushing 3 fluting with pin, pinning test steel plate A4, makes it fix; Test steel plate B5 is put into lower dowel bushing 6 fluting place, with pin pinning test steel plate B5, makes it fix.
Select diameter 100mm, high 15mm, weight be the derby of 0.907kg as movable weight 11, diameter activity weight 11 is placed in electromagnetic blocked brake 9, is the horizontal level of 305mm place Motionless electromagnetic block brake 9 at the scale of scale pull bar 10;
Movable weight 11 is put in electromagnetic blocked brake 9, and the switch pressing Electromagnetic Control case 16 is clamped;
Again contact 1401 is withstood the bottom on chassis 12, numerical monitor offset table 17 is pressed back to zero key, by its time zero setting position.All are pressed the switch of Electromagnetic Control case 16, are unclamped by movable weight 11, movable weight 11 is freely fallen after preparing, and produce kinetic energy, make chassis 12 displacement; The contact 1401 of displacement transducer 14 also produces displacement, reads displacement number, complete test by numerical monitor offset table 17.
Embodiment 2: test steel plate A4 is L-type with test steel plate B5, wide is 25mm, thick 0.8mm, long 200mm, the hole of diameter 6mm is beaten at the 10mm place of upper dowel bushing 3 or lower dowel bushing 6 linkage section termination, there iing hole end surface 40mm place to be bent 90 degree, glue sample is being coated in test steel plate A4 with on test steel plate B5.Surface covered is 25mm × 160mm, thickness is 0.1mm, and two panels test steel plate is symmetrical, does spacer bar between relative doubling plane with diameter 0.1mm steel plate, to keep certain bonding thickness, then clamp both sides with agrafe, removed by unnecessary glue after clamping, normal temperature places more than 1 hour, then baking oven is put into 170 DEG C of bakings 20 minutes, take out after solidification, then after placing 24 hours, removing clip.
Test steel plate A4 is put into upper dowel bushing 3, inserts in upper dowel bushing 3 fluting with pin, pinning test steel plate A4, makes it fix; Test steel plate B5 is put into lower dowel bushing 6 fluting place, with pin pinning test steel plate B5, makes it fix.
Select diameter 100mm, high 15mm, weight be the derby of 0.907kg as movable weight 11, diameter activity weight 11 is placed in electromagnetic blocked brake 9, at the horizontal level of the scale 310mm place Motionless electromagnetic block brake 9 of scale pull bar 10;
Be put in electromagnetic blocked brake 9 by movable weight 11, press the switch of Electromagnetic Control case 16, movable weight 11 is clamped by electromagnetic blocked brake 9, then contact 1401 is withstood the bottom on chassis 12.Numerical monitor offset table 17 is pressed back to zero key, by its time zero setting position.
After all are ready to, press the switch of Electromagnetic Control case 16, movable weight 11 unclamps by electromagnetic blocked brake 9, and movable weight 11 is freely fallen, and produce kinetic energy, kinetic energy makes chassis 12 displacement.If the contact 1401 of displacement transducer 14 does not produce displacement, it is 0 that numerical monitor offset table 17 reads displacement number, completes test.The present invention is according to technical indicator. and falling bodies requirement for height carrys out sizing height, and its adaptability is strengthened, and precision is higher.Clamp movable weight 11 with electromagnetic blocked brake 9, only need operate by Electromagnetic Control case 16 switch during test, convenient and practical.Detect with displacement transducer 14, make it easy to operate, size Control is more accurate, and measured value is more accurate, does not have the error of artificial gage.
According to the above description, the solution of the present invention can be realized in conjunction with art technology.
Claims (3)
1. automobile high-strength structure glue detects impact testing machine automatically, it is characterized in that, comprise frame (1), frame (1) is made up of base plate (101), bracing frame (102), upper plate (103), side plate (104) and gusset (105), transition piece (2) is connected as supporting surface by upper plate (103), again by dowel bushing (3) in transition piece (2) connection, at the upper fixing test steel plate A (4) of upper dowel bushing (3);
One end of horizontal fixed members (8) is connected as supporting surface, the other end Motionless electromagnetic block brake (9) of horizontal fixed members (8) by side plate (104); Electromagnetic blocked brake (9) is for clamping movable weight (11), the center of movable weight (11) is provided with guide hole, be installed with scale pull bar (10) in guide hole, guide hole and scale pull bar (10) are slidably matched;
The upper end of scale pull bar (10) is fixedly connected with lower dowel bushing (6) by connecting rod device (7), the upper fixing test steel plate B (5) of lower dowel bushing (6); Test steel plate A (4) is identical with the structure of test steel plate B (5), and its respective surface level is corresponding, specular, both opposite faces gluing and face as strength structure glue (15);
The lower end connecting base plate (12) of scale pull bar (10), the upper surface of chassis (12) is as the positive stop end of movable weight (11) and force side; The lower surface on chassis (12) is as contact (1401) close contact of power conducting surface and displacement transducer (14); Displacement transducer (14) is fixed in sensor holder (13), and sensor holder (13) is fixed on above base plate (101);
Electromagnetic blocked brake (9) action is controlled by Electromagnetic Control case (16); Displacement transducer (14) connects numerical monitor offset table (17) by wire.
2. automobile high-strength structure glue detects the test method of impact testing machine automatically as claimed in claim 1, comprises the steps:
1) electromagnetic blocked brake (9) is selected to determine movable weight (11) height of drop apart from the distance of the upper surface of chassis (12), after test height is determined, by the screw fastening that horizontal fixed members (8) is connected with side plate (104);
2) test strength structure glue (15) is applied in test steel plate A (4) and test steel plate B (5) opposite face;
3) lower surface on chassis (12) and contact (1401) close contact of displacement transducer (14) is made;
4) movable weight (11) is placed in the brake(-holder) block of electromagnetic blocked brake (9), the brake(-holder) block being controlled electromagnetic blocked brake (9) by Electromagnetic Control case (16) is in the state of tightening up, and movable weight (11) is fixed on inside brake(-holder) block;
5) test starts, and the brake(-holder) block being controlled electromagnetic blocked brake (9) by Electromagnetic Control case (16) is in relieving state; Movable weight (11) is along the downward free landing of scale pull bar (10);
6) movable weight (11) drops down onto the upper surface of chassis (12) along scale pull bar (10) free skating downwards, and the free landing of movable weight (11) forms kinetic energy and conducts to the contact (1401) of displacement transducer (14);
7) read data by numerical monitor offset table (17), complete test.
3. automobile high-strength structure glue detects the step of the test method of impact testing machine automatically as claimed in claim 2, it is characterized in that, test steel plate A(4) and test steel plate B(5) be L-type, wide is 25mm, thick 0.8mm, long 200mm, beat the hole of diameter 6mm at the 10mm place of upper dowel bushing (3) or lower dowel bushing (6) linkage section termination, there is hole end surface 40mm place to be bent 90 degree huge, glue sample is coated in test piece; Glue sample area is 25mm × 160mm, and thickness is 0.1mm;
Two panels test steel plate is symmetrical, both do spacer bar with diameter 0.1mm Gang Silk between doubling plane relatively, to keep bonding thickness, then clamp both sides with agrafe, removed by unnecessary glue after clamping, normal temperature places more than 1 hour, then baking oven is put into 170 DEG C of bakings 20 minutes, take out after solidification, then after placing 24 hours, removing clip;
Steel plate A(4 will be tested) put into dowel bushing (3), insert in upper dowel bushing (3) fluting with pin, pinning test steel plate A(4), make it fix; Test steel plate B(5) put into lower dowel bushing (6) fluting place, with pin pinning test steel plate B(5), make it fix;
Diameter 100mm, high 15mm, weight is selected to be that the derby of 0.907kg is as movable weight (11), the movable weight (11) being 0.907kg diameter 100mm, high 15mm, weight is placed in electromagnetic blocked brake (9), is the horizontal level at 305mm place or 310mm place Motionless electromagnetic block brake (9) at the scale of scale pull bar (10);
Movable weight (11) is put in electromagnetic blocked brake (9), and the switch pressing Electromagnetic Control case (16) is clamped; Again contact (1401) is withstood the bottom of chassis (12), numerical monitor offset table (17) is pressed back to zero key, by its time zero setting position; All are pressed the switch of Electromagnetic Control case (16), are unclamped by movable weight (11), movable weight (11) is freely fallen after preparing, and produce kinetic energy, make chassis (12) displacement; The contact (1401) of displacement transducer (14) also produces displacement, reads displacement number, complete test by numerical monitor offset table (17).
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105738280A (en) * | 2016-05-16 | 2016-07-06 | 三友(天津)高分子技术有限公司 | Low-temperature (-40 DEG C) automatic tester and test method for high-strength structure adhesive of automobile |
CN109253934A (en) * | 2017-07-12 | 2019-01-22 | 上海宝钢工业技术服务有限公司 | The in-situ check and test method of roof color steel plate safety |
CN114371121A (en) * | 2021-03-30 | 2022-04-19 | 交通运输部公路科学研究所 | Movable reflective film adhesiveness tester |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN105738280A (en) * | 2016-05-16 | 2016-07-06 | 三友(天津)高分子技术有限公司 | Low-temperature (-40 DEG C) automatic tester and test method for high-strength structure adhesive of automobile |
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CN114371121A (en) * | 2021-03-30 | 2022-04-19 | 交通运输部公路科学研究所 | Movable reflective film adhesiveness tester |
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