CN108356437A - The hot press-formed piece surface solderability detecting system of martensite steel and detection method - Google Patents
The hot press-formed piece surface solderability detecting system of martensite steel and detection method Download PDFInfo
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- CN108356437A CN108356437A CN201810144094.8A CN201810144094A CN108356437A CN 108356437 A CN108356437 A CN 108356437A CN 201810144094 A CN201810144094 A CN 201810144094A CN 108356437 A CN108356437 A CN 108356437A
- Authority
- CN
- China
- Prior art keywords
- hot press
- sliding block
- martensite steel
- resistance
- solderability
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
Abstract
The invention discloses the hot press-formed piece surface solderability detecting systems of martensite steel, including electrode hub module（1）, the electrode hub module（1）Input terminal and the hot press-formed part of martensite steel（6）It is connected, the electrode hub module（1）Output end and resistance detection unit（2）Input terminal be connected, the resistance detection unit（2）Output end and industrial personal computer（3）Communication connection, the industrial personal computer（3）Output end and display module（4）Input terminal be connected, the industrial personal computer（3）Also with feedback unit（5）Communication connection.The invention also discloses the detection method of the hot press-formed piece surface solderability detecting system of martensite steel, the present invention have at low cost, accuracy rate is high, it is easy realize, reliability it is high, the advantages of can be used for automatic production line quality testing.
Description
Technical field
The present invention relates to a kind of hot press-formed piece surface solderability detecting system of martensite steel and detection methods, belong to
Martensite steel technical field of hot stamping and forming.
Background technology
As automobile and field of track traffic to safety and light-weighted require higher and higher, the geneva with superhigh intensity
Body steel increasingly attracts attention.In martensite steel based on martensitic structure, tensile strength can arrive 1500MPa, pacify ensureing
Under the premise of full property, the thickness by reducing steel plate realizes strong quantization, thus has been obtained extensively in automobile and track transportation industry
General application.However, the cold punching pressing formation of martensite steel there is a problem of cracking, rebound and be thinned, limit these materials
It uses.
Hot press-formed technology is that dilute-alloy martensite steel is heated to austenitizing temperature, heat preservation to complete austenitizing
Afterwards, it is transferred quickly to stamping in the mold of cooling system, while completing quick, uniform quenching process in a mold,
Uniform martensitic structure is obtained, to which low intensive steel plate is changed into superhigh intensity（Tensile strength >=1500MPa, elongation
Rate is 6% or so）Component.Hot forming techniques are small with forming pressure, formation of parts intensity is high, rebound is small, dimensional accuracy is high
Advantage, thus be widely used.
The universal production procedure of existing hot press-formed part is：Blanking → heating and thermal insulation is to austenitizing → fast transfer
To subsequent processings such as mold → hot press-formed → scale removal → laser trimming → welding.Although martensite steel table at present
The hot formings high-temperature protection coatings such as the previously prepared Al-Si and Zn bases in face, but in practical heat forming processes martensite steel table
Face is it is possible to oxide layer can be generated, and then seriously affect the welding performance of martensitic steel parts, after final severe exacerbation welding
The job security and service life of component.The welding method used by thermoformed part is largely electric resistance welding at present, heat
The oxide layer on forming part surface has the influence degree of welding much, and can welding procedure reliably weld, only from the outer of part
Visual confirmation is seen, can not judge, cause the welding rejection rate of thermoformed parts higher.Therefore, it is badly in need of finding a kind of geneva
Body steel hot formation of parts surface solderability detecting system and detection method.
Invention content
The technical problem to be solved by the present invention is to a kind of hot press-formed piece surface of martensite steel of present invention offer can
Weldering property detecting system and detection method, can conveniently and efficiently identify that piece surface covers using this detecting system and detection method
The oxide layer degree of lid（Resistance value at each pad）, and it is solderable according to the quantized data of critical resistance value directly to make part
Property judgement, have at low cost, accuracy rate is high, it is easy realize, reliability it is high, can be used for the excellent of automatic production line quality testing
Point.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
The hot press-formed piece surface solderability detecting system of martensite steel, including electrode hub module, the electrode line concentration mould
The input terminal of block is connected with the hot press-formed part of martensite steel, the output end and resistance detection unit of the electrode hub module
Input terminal be connected, the output end of the resistance detection unit connect with industrial computer communication, the output end of the industrial personal computer and show
Show that the input terminal of module is connected, the industrial personal computer is also communicated with feedback unit and connected.
The electrode hub module includes electrode hub ontology, and several groups are being provided with just on the electrode hub ontology
Negative electrode pair, positive and negative electrode described in every group is to contact phases to be welded different from the hot press-formed part of the martensite steel respectively
Even, the bilateral type of the electrode hub ontology is provided with vertical slide rail, and contact cunning is connected between two vertical slide rails
Block is provided on the contact sliding block for, to the contact that is in contact, the contact sliding block to drive with electrical with the positive and negative electrode
Dynamic model block is connected.
Horizontal slide rail is connected between two vertical slide rails, the contact sliding block is set in the horizontal slide rail.
The electrically driven module include vertically to electrically driven mechanism and lateral electrical driving mechanism, it is described vertically to electricity
Gas driving mechanism and lateral electrical driving mechanism include servo motor, transmission mechanism and motion-control module.
The transmission mechanism includes the first sliding block being set in the vertical slide rail and is set in the horizontal slide rail
The second sliding block, first sliding block is connected with the horizontal slide rail, and second sliding block is connected with the contact sliding block, described
First sliding block and the second sliding block are connected with the servo motor respectively, the motion-control module respectively with two servo motors
Communication connection.
It is provided with memory in the industrial personal computer.
The feedback unit includes alarm.
The detection method of the hot press-formed piece surface solderability detecting system of martensite steel, includes the following steps：
S01, connection electrode hub module, by each group of positive and negative electrode to being connected to the hot press-formed part of martensite steel
Each contact upper and lower surface to be welded；
S02 detects pad resistance value：It is right successively by resistance detection unit using the contact sliding block in electrode hub module
Each pad resistance is detected, and after the completion of a pad resistance test, contact sliding block slides into next group of positive negative electricity automatically
It is extremely right；
S03, output resistance：The resistance value for each pad that resistance detection unit is surveyed is transferred to the memory of industrial personal computer
On the one hand middle preservation, industrial personal computer convert institute's measuring resistance value to analog signal on the display screen of display module and export；Industrial personal computer
On the other hand institute's measuring resistance value is judged, when resistance is more than critical resistance, then industrial personal computer activation feedback unit is alarmed,
The EOT end of test；When resistance is less than critical resistance, then the pad solderability is qualified, continues to test next pad；
S04 feeds back testing result：Feedback unit handles the judgement result of industrial personal computer, when pad solderability qualification, then
S02 ~ S04 is repeated, the detection of next pad is carried out；When pad solderability is unqualified, then the alarm in feedback unit
It sounds, detection terminates, and the hot press-formed part of martensite steel is transferred to rejected part region.
The present invention has the advantages that：
1. the hot press-formed piece surface solderability detecting system of martensite steel proposed by the present invention, utilizes electrode hub module
Sliding equipment, can be realized to the complete of the hot press-formed piece surface pad solderability of martensite steel by resistance detection unit
Automatic detection.The simple system is easy to implement, and equipment manufacturing cost is low, easy to operate, measuring stability is good, can be used for producing line mass
On-line checking.
2. drawing in the detection method of the hot press-formed piece surface solderability detecting system of martensite steel proposed by the present invention
Feedback unit is entered, fast qualitative judgement, Neng Gouji can have been carried out to the solderability of the hot press-formed part pad of martensite steel
When thermoformed parts surface quality is prejudged, the incidence of the bad problem of thermoformed parts surface quality can be greatly reduced,
Ensure the yields of thermoformed parts, there is higher engineering application value.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of contact sliding block in the present invention；
Fig. 3 is the work flow diagram of the present invention；
Fig. 4 is the structural schematic diagram of automobile B-column part in the embodiment of the present invention.
Specific implementation mode
In order to make the objectives, technical solutions, and advantages of the present invention be more clear, with reference to the accompanying drawings and embodiments to this hair
It is bright to be further elaborated.Described herein specific examples are only used to explain the present invention, is not used to limit this hair
It is bright.
As shown in Fig. 1 ~ Fig. 2, the hot press-formed piece surface solderability detecting system of martensite steel, including electrode line concentration mould
Block 1, the hot press-formed part of the input terminal of the electrode hub module 1 and martensite steel 6 are connected, the electrode hub module 1
Output end be connected with the input terminal of resistance detection unit 2, the output end of the resistance detection unit 2 connects with the communication of industrial personal computer 3
It connects, the output end of the industrial personal computer 3 is connected with the input terminal of display module 4, and the industrial personal computer 3, which is also communicated with feedback unit 5, to be connected
It connects.
The electrode hub module 1 includes electrode hub ontology 7, is provided on the electrode hub ontology 7 several
Group positive and negative electrode pair 10, positive and negative electrode pair 10 described in every group respectively with the difference on the hot press-formed part of the martensite steel 6
Contact to be welded is connected, and the bilateral type of the electrode hub ontology 7 is provided with vertical slide rail 8, two vertical slide rails 8 it
Between be connected with contact sliding block 9, the contact for being in contact with the positive and negative electrode pair 10 is provided on the contact sliding block 9, it is described
Contact sliding block 9 is connected with electrically driven module.
Horizontal slide rail 11 is connected between two vertical slide rails 8, the contact sliding block 9 is set to the horizontal slide rail 11
On.
The electrically driven module include vertically to electrically driven mechanism and lateral electrical driving mechanism, it is described vertically to electricity
Gas driving mechanism and lateral electrical driving mechanism include servo motor, transmission mechanism and motion-control module.
The transmission mechanism includes the first sliding block being set in the vertical slide rail 8 and is set to the horizontal slide rail 11
On the second sliding block, first sliding block is connected with the horizontal slide rail 11, second sliding block and 9 phase of contact sliding block
Even, first sliding block and the second sliding block be connected with the servo motor respectively, the motion-control module respectively with described in two
Servo motor communication connection.After the resistance test of a pad, contact sliding block 9 is electrically driven lower along vertical slide rail
8 and horizontal slide rail 11 be moved to next group of positive and negative electrode pair 10；Until being moved to last group of positive and negative electrode pair 10, sliding equipment
It is stopped, and detection end signal is sent to industrial personal computer 3.
It is provided with memory in the industrial personal computer 3.
The feedback unit 5 includes alarm.
As shown in figure 3, the detection method of the hot press-formed piece surface solderability detecting system of martensite steel, including it is following
Step：
Each group of positive and negative electrode pair 10 is connected to martensite steel hot press-formed zero by S01, connection electrode hub module 1
Each contact upper and lower surface to be welded of part 6；
S02 detects pad resistance value：Using the contact sliding block 9 in electrode hub module 1, successively by resistance detection unit 2
Each pad resistance is detected, after the completion of a pad resistance test, contact sliding block 9 slide into automatically next group it is positive and negative
Electrode pair 10；
S03, output resistance：The resistance value for each pad that resistance detection unit 2 is surveyed is transferred to the storage of industrial personal computer 3
It is preserved in device, 3 one side of industrial personal computer converts institute's measuring resistance value to analog signal on the display screen of display module 4 and exports；Work
3 another aspect of control machine judges institute's measuring resistance value, when resistance is more than critical resistance, then industrial personal computer 3 activate feedback unit 5 into
Row alarm, the EOT end of test；When resistance is less than critical resistance, then the pad solderability is qualified, continues to test next pad；
S04 feeds back testing result：Feedback unit 5 handles the judgement result of industrial personal computer 3, when pad solderability is qualified,
S02 ~ S04 is then repeated, the detection of next pad is carried out；When pad solderability is unqualified, then the report in feedback unit 5
Alert device sounds, and detection terminates, and the hot press-formed part of martensite steel 6 is transferred to rejected part region.
Critical resistance value is 15m Ω.
On the one hand resistance detection unit 2 receives contact sliding block 9 and transmits the electric signal of coming, to the resistance value to the pad
It is tested；On the other hand the pad resistance value measured is sent in industrial personal computer 3 and is preserved.
As shown in figure 4, the hot press-formed part 6 of martensite steel in the present embodiment be the drop stamping of automobile martensite steel at
Shape B column parts, thickness are 1.5 mm.
It is worth noting that, the critical resistance value and its material and plate thickness phase of the hot press-formed part of martensite steel 6
It closes.The critical resistance value of different thermoformed parts is also different.The basic principles and main features of the present invention have been shown and described above
And advantages of the present invention.It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment
With merely illustrating the principles of the invention described in specification, without departing from the spirit and scope of the present invention, the present invention
It will also have various changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The present invention claims guarantors
Shield range is defined by the appending claims and its equivalent thereof.
Claims (8)
1. the hot press-formed piece surface solderability detecting system of martensite steel, it is characterised in that：Including electrode hub module
（1）, the electrode hub module（1）Input terminal and the hot press-formed part of martensite steel（6）It is connected, the electrode line concentration mould
Block（1）Output end and resistance detection unit（2）Input terminal be connected, the resistance detection unit（2）Output end and industry control
Machine（3）Communication connection, the industrial personal computer（3）Output end and display module（4）Input terminal be connected, the industrial personal computer（3）Also
With feedback unit（5）Communication connection.
2. the hot press-formed piece surface solderability detecting system of martensite steel according to claim 1, it is characterised in that：
The electrode hub module（1）Including electrode hub ontology（7）, the electrode hub ontology（7）On be provided with several groups
Positive and negative electrode pair（10）, positive and negative electrode pair described in every group（10）Respectively with the hot press-formed part of the martensite steel（6）On
Different contacts to be welded are connected, the electrode hub ontology（7）Bilateral type be provided with vertical slide rail（8）, two is described vertical
Straight sliding rail（8）Between be connected with contact sliding block（9）, the contact sliding block（9）On be provided with for the positive and negative electrode pair（10）
The contact being in contact, the contact sliding block（9）It is connected with electrically driven module.
3. the hot press-formed piece surface solderability detecting system of martensite steel according to claim 2, it is characterised in that：
Two vertical slide rails（8）Between be connected with horizontal slide rail（11）, the contact sliding block（9）It is set to the horizontal slide rail（11）
On.
4. the hot press-formed piece surface solderability detecting system of martensite steel according to claim 3, it is characterised in that：
The electrically driven module include vertically to electrically driven mechanism and lateral electrical driving mechanism, it is described vertically to electrically driven machine
Structure and lateral electrical driving mechanism include servo motor, transmission mechanism and motion-control module.
5. the hot press-formed piece surface solderability detecting system of martensite steel according to claim 4, it is characterised in that：
The transmission mechanism includes being set to the vertical slide rail（8）On the first sliding block and be set to the horizontal slide rail（11）On
Second sliding block, first sliding block and the horizontal slide rail（11）It is connected, second sliding block and the contact sliding block（9）Phase
Even, first sliding block and the second sliding block be connected with the servo motor respectively, the motion-control module respectively with described in two
Servo motor communication connection.
6. the hot press-formed piece surface solderability detecting system of martensite steel according to claim 1, it is characterised in that：
The industrial personal computer（3）Inside it is provided with memory.
7. the hot press-formed piece surface solderability detecting system of martensite steel according to claim 1, it is characterised in that：
The feedback unit（5）Including alarm.
8. the detection method of the hot press-formed piece surface solderability detecting system of martensite steel, it is characterised in that：Including following
Step：
S01, connection electrode hub module（1）, by each group of positive and negative electrode pair（10）Be connected to martensite steel drop stamping at
Shape part（6）Each contact upper and lower surface to be welded；
S02 detects pad resistance value：Utilize electrode hub module（1）On contact sliding block（9）, pass through resistance detection unit
（2）Each pad resistance is detected successively, after the completion of a pad resistance test, contact sliding block（9）Automatically it slides into
Next group of positive and negative electrode pair（10）；
S03, output resistance：By resistance detection unit（2）The resistance value for each pad surveyed is transferred to industrial personal computer（3）'s
It is preserved in memory, industrial personal computer（3）On the one hand institute's measuring resistance value is converted to analog signal in display module（4）Display screen on
Output；Industrial personal computer（3）On the other hand institute's measuring resistance value is judged, when resistance is more than critical resistance, then industrial personal computer（3）Activation
Feedback unit（5）It alarms, the EOT end of test；When resistance is less than critical resistance, then the pad solderability is qualified, continues to test
Next pad；
S04 feeds back testing result：Feedback unit（5）To industrial personal computer（3）Judgement result handled, when pad solderability
Qualification, then repeatedly S02 ~ S04, carries out the detection of next pad；When pad solderability is unqualified, then feedback unit（5）
In alarm sound, detection terminate, the hot press-formed part of martensite steel（6）It is transferred to rejected part region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810144094.8A CN108356437B (en) | 2018-02-12 | 2018-02-12 | System and method for detecting weldability of surface of martensitic steel hot stamping forming part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810144094.8A CN108356437B (en) | 2018-02-12 | 2018-02-12 | System and method for detecting weldability of surface of martensitic steel hot stamping forming part |
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| Publication Number | Publication Date |
|---|---|
| CN108356437A true CN108356437A (en) | 2018-08-03 |
| CN108356437B CN108356437B (en) | 2020-08-11 |
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|---|---|---|---|
| CN201810144094.8A Active CN108356437B (en) | 2018-02-12 | 2018-02-12 | System and method for detecting weldability of surface of martensitic steel hot stamping forming part |
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