CN113588015A - Tool and method for preventing pin withdrawal in connector terminal assembly - Google Patents
Tool and method for preventing pin withdrawal in connector terminal assembly Download PDFInfo
- Publication number
- CN113588015A CN113588015A CN202111152847.8A CN202111152847A CN113588015A CN 113588015 A CN113588015 A CN 113588015A CN 202111152847 A CN202111152847 A CN 202111152847A CN 113588015 A CN113588015 A CN 113588015A
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- connector
- electromagnetic valve
- seat
- connector terminal
- carrier seat
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
Abstract
The invention relates to the field of terminal assembling devices, in particular to a connector terminal assembling anti-pin-withdrawal tool and a connector terminal assembling anti-pin-withdrawal method. The connector locking device comprises a bottom plate, a driving assembly and a bolt assembly for locking the connector; the top ends of the two supporting rods are connected through a carrying seat; the detection component is used for detecting the carrier seat; the detection assembly comprises an optical fiber sensor positioned right below the carrying seat and a light blocking sheet arranged on one side of the bottom surface of the carrying seat; the light blocking part of the light blocking sheet is inserted into the sliding groove of the sensor mounting block; the chute is sequentially provided with a first photoelectric sensor, a second photoelectric sensor and a third photoelectric sensor from top to bottom; the detection component is used for reducing the condition that the connector terminal is withdrawn.
Description
Technical Field
The invention relates to the field of terminal assembling devices, in particular to a connector terminal assembling anti-pin-withdrawal tool and a connector terminal assembling anti-pin-withdrawal method.
Background
The wire harness connector is used for connecting each connecting point of an automobile circuit, is an important part on an automobile, and directly influences the transmission effect of electric power or signals according to the quality of the wire harness connector. The connector occupies a smaller cost ratio in the automobile, but if quality problems occur in the automobile, serious consequences are often generated, and the maintenance cost is greatly increased, so the assembly quality of the connector is more and more valued by customers and suppliers. Terminal pin withdrawal on connectors is a relatively common failure mode of harness connectors in the current connector production process.
Disclosure of Invention
The invention aims to provide a connector terminal assembly anti-withdrawal tool and a method for reducing the withdrawal of a connector terminal.
The technical scheme of the invention is as follows:
the connector terminal assembly anti-pin-withdrawal tool comprises a bottom plate, a driving assembly and a lock tongue assembly for locking a connector placed in a carrier seat; the top ends of the two supporting rods are connected through a carrying seat; the detection component is used for detecting the carrier seat; the detection assembly comprises an optical fiber sensor positioned right below the carrying seat and a light blocking sheet arranged on one side of the bottom surface of the carrying seat; the light blocking part of the light blocking sheet is inserted into the sliding groove of the sensor mounting block; the spout is from last to being equipped with first photoelectric sensor, second photoelectric sensor and third photoelectric sensor down in proper order.
The bolt assembly comprises a movable bolt and a second electromagnetic valve assembly for driving the bolt to move, wherein the back of the carrier seat is provided with the movable bolt.
The second electromagnetic valve assembly comprises a second electromagnetic valve and a second air cylinder connected with the second electromagnetic valve; the second cylinder is located the spring bolt back and the piston rod tip of second cylinder is connected with the spring bolt.
The driving assembly comprises a first solenoid valve which can jack up the load seat and balance the load seat; the first cylinder is connected with the first electromagnetic valve; the first cylinder is positioned right below the carrier seat.
The first electromagnetic valve is a three-position five-way middle-discharge electromagnetic valve, and the second electromagnetic valve is a two-position five-way electromagnetic valve.
Weights are arranged on the bottom plate right below the load seat.
Guide rods capable of moving up and down are arranged in the guide holes at the top ends of the support rods; two ends of the carrying seat are respectively connected with the corresponding supporting rods through two guide rods.
The connector terminal assembling needle withdrawal prevention method comprises the following steps: step 1: starting a power supply;
step 2: the PLC triggers a first coil of the first electromagnetic valve, and the first cylinder extends out of the jacking carrier seat.
And step 3: an operator inserts the connector of a product into the carrier seat, the optical fiber sensor senses a signal and then transmits the signal to the PLC, and the PLC simultaneously triggers the second coil of the first electromagnetic valve and the coil of the second electromagnetic valve so as to achieve the purposes of keeping the carrier seat balanced and locking the connector by the lock tongue.
And 4, step 4: the operator picks up the wire and inserts the wire terminal into a predetermined connector hole.
And 5: and (4) carrying out pull-back test on the electric wire, quickly pulling back the electric wire through an operator, enabling the carrier seat to leave the insertion position and reach the pull-back position, and turning to the step 8 when the time interval from the induction of the first photoelectric sensor to the induction of the third photoelectric sensor is less than the set time, or turning to the step 6.
Step 6: and (5) alarming by the buzzer, and turning to the step 7.
And 7: and (5) repeating the step.
And 8: when the operator puts down the electric wire, the carrier seat leaves the pull-back position to reach the balance position, and the counting is carried out once.
And step 9: when the count is less than the set number of times, turning to step 11; otherwise go to step 10; .
Step 10: PLC closes the second coil of first solenoid valve and the coil of second solenoid valve, and the second cylinder retracts, and the spring bolt release connector, the carrier seat can be followed to the product and take out, and PLC triggers the first coil of first solenoid valve.
Step 11: and (4) repeating the step.
The set time according to step 5 is 300s to 500 s.
The invention has the beneficial effects that: the spring bolt pins and detects the terminal of inserting the connector through detection component after the connector.
Drawings
The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
Wherein: FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a first solenoid valve according to the present invention;
FIG. 3 is a schematic view of a sensor mounting block according to the present invention;
FIG. 4 is a schematic flow chart of the present invention;
in the attached drawings, 1 is a bottom plate, 2 is a driving assembly, 3 is a detection assembly, 4 is a bolt assembly, 5 is a support rod, 6 is a carrier seat, 7 is a bolt, 9 is a weight, 10 is a nylon rope, 11 is a guide hole, and 12 is a guide rod;
2.1 is a first electromagnetic valve, 2.2 is a second electromagnetic valve, 2.3 is a first cylinder, and 2.4 is a second cylinder;
3.1 is the optical fiber sensor, 3.2 is the light blocking piece, 3.3 is the portion that blocks light, 3.4 is the sensor installation piece, 3.5 is the spout, 3.6 is first photoelectric sensor, 3.7 is the third photoelectric sensor, 3.8 is the second photoelectric sensor.
Detailed Description
Referring to fig. 1, the connector terminal assembly anti-pin-withdrawal tool comprises a bottom plate 1, a driving assembly 2 and a latch assembly 4 for locking a connector; the bottom plate 1 is provided with two support rods 5 which are oppositely arranged, and the top ends of the two support rods 5 are connected through a carrying seat 6; the device also comprises a detection component 3 for detecting the carrier seat 6; the detection assembly 3 comprises an optical fiber sensor 3.1 positioned right below the carrying seat 6 and a light barrier 3.2 arranged on one side of the bottom surface of the carrying seat 6; the light blocking part 3.3 of the light blocking sheet 3.2 is inserted into the sliding groove 3.5 of the sensor mounting block 3.4; the spout is from last to being equipped with first photoelectric sensor, second photoelectric sensor and third photoelectric sensor down in proper order. The detection component 3 detects the position of the carrier seat 6 and whether a connector is arranged in the carrier seat 6, transmits the detected signal to the PLC, and controls the movement of the bolt component 4 and the driving component 2 by the PLC; the optical fiber sensor 3.1 detects whether a connector is arranged in the carrier seat 6; since the light blocking sheet 3.2 is connected with the carriage 6, the light blocking sheet will move along with the movement of the carriage 6, but since the sensor mounting block 3.4 is fixed, the light blocking section 3.3 will move up and down in the chute 3.5, so that the position of the carriage 6 can be judged by using the first, second and third photoelectric sensors 3.7; wherein the sensor mounting block 3.4 is mounted on the work table by means of a mounting structure.
The bolt assembly 4 comprises a movable bolt 7 arranged on the back of a carrier seat 6 and a second electromagnetic valve assembly for driving the bolt 7 to move. The spring bolt 7 pins behind the connector and detects the terminal of inserting the connector through detection component 3.
The second electromagnetic valve assembly comprises a second electromagnetic valve 2.2 and a second cylinder 2.4 connected with the second electromagnetic valve 2.2; the second cylinder 2.4 is located the back of spring bolt 7 and the piston rod tip of second cylinder 2.4 is connected with the spring bolt. The first solenoid valve 2.1 controls the piston rod of the first cylinder 2.3, and the second solenoid valve 2.2 controls the piston rod of the second cylinder 2.4; wherein first, second solenoid valve 2.2 sets up on the workstation, and first cylinder 2.3 all sets up on the workstation through supporting structure with second cylinder 2.4.
The driving assembly 2 comprises a first solenoid valve 2.1 which can jack up the load seat 6 and balance the load seat 6; the device also comprises a first air cylinder 2.3 connected with the first electromagnetic valve 2.1; the first cylinder 2.3 is located directly below the carriage 6.
The first electromagnetic valve 2.1 is a three-position five-way middle-leakage electromagnetic valve, and the second electromagnetic valve 2.2 is a two-position five-way electromagnetic valve.
And a shell module for placing a connector is arranged in the center of the carrying seat 6. The housing module facilitates placement of the connector.
The connector terminal assembling needle withdrawal prevention method comprises the following steps: step 1: starting a power supply;
step 2: PLC triggers the first coil of first solenoid valve 2.1, and first cylinder 2.3 stretches out the jack-up and carries seat 6, carries seat 6 come-up.
And step 3: an operator inserts the connector of a product into the load seat 6, the optical fiber sensor 3.1 senses a signal and then transmits the signal to the PLC, and the PLC simultaneously triggers the second coil of the first electromagnetic valve 2.1 and the coil of the second electromagnetic valve 2.2 to achieve the purposes of keeping the load seat 6 balanced and locking the connector by the lock tongue 7.
And 4, step 4: the operator picks up the wire and inserts the wire terminal into a predetermined connector hole. The connector and the carrier seat 6 descend to the insertion position of the carrier seat 6 under the action of the terminal insertion force, the terminal is inserted into the connector, and the third photoelectric sensor 3.7 is triggered through the light blocking sheet 3.2, so that the completion of the terminal insertion action is ensured.
And 5: the electric wire is subjected to a pull-back test, the electric wire is quickly pulled back by an operator, the carrier seat 6 leaves an insertion position (the third photoelectric sensor 3.7 finishes sensing) and reaches a pull-back position (the first photoelectric sensor 3.6 triggers sensing), and when the third photoelectric sensor 3.7 finishes sensing and the time interval of the triggered sensing of the first photoelectric sensor 3.6 is less than the set time, the step 8 is carried out, otherwise, the step 6 is carried out.
Step 6: and (5) alarming by the buzzer, and turning to the step 7. The buzzer buzzes to remind the operator of real-time and effective action of pulling back the electric wire, and the situation that the operator forgets to pull back the electric wire is avoided. (in the step 5, the interval time can be modified in a parameter setting mode.) once the buzzer is triggered to alarm, the terminal insertion action is abnormal, and the alarm can be eliminated by the operator only needing to repeat the insertion and pull-back action once again.
And 7: and (5) repeating the step.
And 8: when the operator puts down the electric wire, the carrier seat 6 leaves the pull-back position (the first photoelectric sensor 3.6 finishes sensing) and reaches the balance position (the second photoelectric sensor 3.8 triggers sensing).
And step 9: when the count is less than the set number of times, turning to step 11; otherwise go to step 10; .
Step 10: PLC closes the second coil of first solenoid valve 2.1 and the coil of second solenoid valve 2.2, and second cylinder 2.4 retracts, and spring bolt 7 release connector, product can be followed and carried seat 6 and taken out, and PLC triggers the first coil of first solenoid valve 2.1. By the time this single wire terminal insertion is completed, other terminals are inserted in this way. Every time the terminal is normally finished and the terminal is inserted into the pull-back flow, the system counts once, after the set times is reached, the PLC closes the second coil of the first electromagnetic valve 2.1 and the coil of the second electromagnetic valve 2.2, the second cylinder 2.4 retracts to the bolt 7 to release the connector, and the product can be taken out from the carrier seat 6. Meanwhile, the PLC triggers a first coil of the first electromagnetic valve 2.1 so as to prevent the carrier seat 6 from descending to an insertion position when an operator puts in the connector to the carrier seat 6; the system zero clearing has two options, the system zero clearing is carried out after the first system counts once, and the system zero clearing is carried out after the jack on the second connector is full; the two modes can be selected according to the needs.
Step 11: and (4) repeating the step. The whole system is controlled by a PLC (controller), the PLC senses the change of actions through an external sensor, and triggers the coils of the first electromagnetic valve 2.2 and the second electromagnetic valve 2.2, an indicator lamp and a buzzer to alarm through a logic operation result, and meanwhile, the touch screen can also display the action state of the PLC in real time. The first electromagnetic valve 2.1 is a three-position five-way middle-leakage double-coil electromagnetic valve, the action of the first air cylinder 2.3 can be triggered by two independent air source loops, namely a jacking load seat 6 with higher pressure and a balancing load seat 6 with lower pressure, a pressure regulating valve is connected in series in the air source loop of the balancing load seat 6, and the jacking force of the first air cylinder 2.3 can be finely regulated by the pressure regulating valve when the balancing load seat 6 is balanced. Wherein the air supply circuit with the first coil of the first solenoid valve 2.1 is mainly used for jacking the load seat 6, and the air supply circuit with the second coil of the first solenoid valve 2.1 is mainly used for balancing the load seat 6. The second solenoid valve 2.2 is a two-position five-way single coil solenoid valve.
The pull-back position according to step 8 is a final position where the carrier 6 is pulled up together with the connector by pulling back the wire after the worker completes the terminal insertion. The pulled-back position corresponds to the first photosensor 3.6.
The balance position according to step 8 is the position of the carriage 6 after the first cylinder 2.3 is extended. The balance bit corresponds to the second photosensor.
The insertion position according to step 10 is the position of the carriage 6 when the worker inserts the terminal, the insertion force causing the first cylinder 2.3 to be fully retracted. The insertion position corresponds to the third photosensor 3.7.
The three positions respectively correspond to three photoelectric sensors (groove-shaped photoelectric switches), and the light blocking sheets fixedly connected with the carrying seats trigger the induction.
The set time according to step 5 is 300s to 500 s.
The following steps of assembling the connector terminal to prevent the pin from withdrawing:
the first step is as follows: starting a power supply; the second step is that: the PLC triggers a first coil of the first electromagnetic valve 2.1, and the first cylinder 2.3 extends out of the jacking carrier seat 6; the third step: operating personnel inserts the product connector, and optical fiber sensor 3.1 senses the signal and transmits for PLC, and PLC triggers first solenoid valve 2.1 second coil and second solenoid valve 2.2's coil simultaneously. The fourth step: the first cylinder 2.3 is supplied with air in a balanced carrier 6 air supply circuit so that when a worker inserts the terminal, the carrier 6 descends to the insertion position to trigger the insertion position third photoelectric sensor 3.7. The fifth step: the second cylinder 2.4 extends out, and the lock tongue 7 locks the connector; the operator takes up the electric wire and inserts the terminal into the specified connector hole site, the connector and the carrier seat 6 descend to the carrier seat 6 insertion site under the action of the terminal insertion force, and the third photoelectric sensor 3.7 is triggered, so that the completion of the terminal insertion action is ensured; the seventh step: the electric wire is quickly pulled back by an operator, the carrier seat 6 leaves the insertion position (the third photoelectric sensor 3.7 finishes sensing) and reaches the pull-back position (the first photoelectric sensor 3.6 triggers sensing), the system specifies that the time interval of the third photoelectric sensor 3.7 finishing sensing that the first photoelectric sensor 3.6 is triggered and sensed is less than 300ms, and a buzzer is triggered to alarm when the time interval exceeds 300ms, so that the action of pulling back the electric wire is ensured to be effective in real time, and the situation that the operator forgets to pull back the electric wire is avoided. (this interval may be modified by way of parameter settings.); eighth step: the operator puts down the electric wire, and the carrier seat leaves the pull-back position (photoelectric sensor 3.6 finishes sensing), reaches the equilibrium position (photoelectric sensor 3.8 triggers sensing). By the time this single wire terminal insertion is completed, other terminals are inserted in this way. Every time the terminal is normally finished and the terminal is inserted into the pull-back flow, the system counts once, after the set times is reached, the PLC closes the second coil of the first electromagnetic valve 2.1 and the coil of the second electromagnetic valve 2.2, the second cylinder 2.4 retracts to the bolt 7 to release the connector, and the product can be taken out from the carrier seat 6. Simultaneously PLC triggers the first coil of first solenoid valve 2.1 to when avoiding operating personnel to put into the connector and to carrying seat 6, carry seat 6 to descend to inserting the position.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiment according to the present invention are within the scope of the present invention.
Claims (9)
1. The connector terminal assembly anti-pin-withdrawal tool is characterized by comprising a bottom plate, a driving assembly and a lock tongue assembly for locking a connector; the top ends of the two supporting rods are connected through a carrying seat; the detection component is used for detecting the carrier seat; the detection assembly comprises an optical fiber sensor positioned right below the carrying seat and a light blocking sheet arranged on one side of the bottom surface of the carrying seat; the light blocking part of the light blocking sheet is inserted into the sliding groove of the sensor mounting block; the spout is from last to being equipped with first photoelectric sensor, second photoelectric sensor and third photoelectric sensor down in proper order.
2. The connector terminal assembling anti-withdrawal tool as claimed in claim 1, wherein the latch assembly comprises a movable latch disposed on a back surface of the carrier seat and a second solenoid valve assembly for driving the latch to move.
3. The connector terminal assembling anti-withdrawal tool according to claim 2, wherein the second solenoid valve assembly comprises a second solenoid valve and a second cylinder connected with the second solenoid valve; the second cylinder is located the spring bolt back and the piston rod tip of second cylinder is connected with the spring bolt.
4. The connector terminal assembling anti-withdrawal tool as claimed in claim 3, wherein the driving assembly comprises a first solenoid valve capable of jacking up the carrier seat and balancing the carrier seat; the first cylinder is connected with the first electromagnetic valve; the first cylinder is positioned right below the carrier seat.
5. The connector terminal assembling needle withdrawal prevention tool according to claim 4, wherein the first electromagnetic valve is a three-position five-way middle leakage electromagnetic valve, and the second electromagnetic valve is a two-position five-way electromagnetic valve.
6. The connector terminal assembling anti-withdrawal tool as claimed in claim 1, wherein a weight is arranged on the bottom plate right below the carrier seat.
7. The connector terminal assembling anti-withdrawal tool as claimed in claim 1, wherein guide rods capable of moving up and down are arranged in the guide holes at the top end of the support rod; two ends of the carrying seat are respectively connected with the corresponding supporting rods through two guide rods.
8. The connector terminal assembling needle withdrawal prevention method comprises the following steps: the method is characterized by comprising the following steps of 1: starting a power supply;
step 2: the PLC triggers a first coil of a first electromagnetic valve, and a first cylinder extends out of the jacking carrier seat;
and step 3: an operator inserts a connector of a product into the carrier seat, the optical fiber sensor senses a signal and transmits the signal to the PLC, and the PLC triggers a second coil of the first electromagnetic valve and a coil of the second electromagnetic valve simultaneously;
and 4, step 4: an operator picks up the wire and inserts the wire terminal into a specified connector hole site;
and 5: the electric wire is subjected to pull-back test, the electric wire is quickly pulled back by an operator, the carrier seat leaves the insertion position and reaches the pull-back position, when the induction of the third photoelectric sensor is finished and the time interval of the triggered induction of the first photoelectric sensor is less than the set time, the step 8 is carried out, otherwise, the step 6 is carried out;
step 6: the buzzer alarms, and the step 7 is carried out;
and 7: repeating the step 5;
and 8: the operator puts down the electric wire, the carrier seat leaves the pull-back position to reach the balance position, and the count is carried out once;
and step 9: when the count is less than the set number of times, turning to step 11; otherwise go to step 10;
step 10: the PLC closes the second coil of the first electromagnetic valve and the coil of the second electromagnetic valve, the second cylinder retracts, the lock tongue releases the connector, and the product can be taken out of the carrier seat;
step 11: and (4) repeating the step.
9. The connector terminal assembling anti-withdrawal needle method of claim 8, wherein the set time of step 5 is 300s to 500 s.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111152847.8A CN113588015B (en) | 2021-09-29 | 2021-09-29 | Tool and method for preventing pin withdrawal in connector terminal assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111152847.8A CN113588015B (en) | 2021-09-29 | 2021-09-29 | Tool and method for preventing pin withdrawal in connector terminal assembly |
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| CN113588015A true CN113588015A (en) | 2021-11-02 |
| CN113588015B CN113588015B (en) | 2022-02-15 |
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| CN113588015B (en) | 2022-02-15 |
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