CN110647972A - Screw counting system - Google Patents
Screw counting system Download PDFInfo
- Publication number
- CN110647972A CN110647972A CN201910785892.3A CN201910785892A CN110647972A CN 110647972 A CN110647972 A CN 110647972A CN 201910785892 A CN201910785892 A CN 201910785892A CN 110647972 A CN110647972 A CN 110647972A
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- CN
- China
- Prior art keywords
- screw
- unit
- value
- counting
- user
- Prior art date
- 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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/27—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
Abstract
The invention discloses a screw counting system, which comprises a screw counter and a screw driving gun connected with the screw counter through a control line, wherein the screw driving gun further comprises a feedback unit and a transmission unit; the screw counter further comprises a first judging unit, a counting unit, an interaction unit, a second judging unit and an alarm unit. The screw counting system can count and monitor the operation condition of screwing by an operator, judge whether the operator completely finishes the set screwing work or needs to maintain the possibly existing defective products in a counting mode, and avoid the generation of the defective products by carrying out secondary processing on the defective products; meanwhile, the screw counting system has the advantages of strong expansibility, good heat dissipation performance and convenience in maintenance.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a screw counting system.
Background
In the field of electronic product production, a lot of operations for screwing are needed, and operators generally operate a screwing gun to screw a product to be processed in a manual mode; however, the operator may miss or not hit the screw in place during operation, and a screw counting system is needed to monitor the above situations.
Meanwhile, the conventional screw counter usually adopts a mode of combining a relay and hardware to realize logic control of internal work, and has no expansibility; and the problems of poor heat dissipation performance, easy failure, difficult replacement and maintenance and the like exist.
Disclosure of Invention
In view of the above-mentioned problems in the prior art, there is now provided a screw counting system, comprising:
the screw gun is connected with the screw counter through a control line;
beat the screw rifle and be used for treating the processing product and beat the screw operation, carry out manual control by the user, beat the screw rifle and further include:
the feedback unit acquires a feedback torque value of the screw gun during each screwing process through a torque sensor arranged at the muzzle of the screw gun and outputs the feedback torque value as a feedback value;
the transmission unit is connected with the feedback unit and used for transmitting the feedback value to the screw counter;
the screw counter is used for beating the screw number of beating the screw rifle and taking notes, and the screw counter further includes:
the first judgment unit is used for receiving the feedback value, judging whether the feedback value is greater than a first preset threshold value or not and outputting a first judgment result;
the counting unit is connected with the first judging unit, counts according to a first judging result and outputs a real-time counting value, wherein the real-time counting value is the number of times that the first judging result is that the feedback value is larger than a first preset threshold value;
the interaction unit is connected with the counting unit and used for receiving a user instruction and displaying a real-time counting value, wherein the user instruction comprises the number of screws to be screwed;
the second judgment unit is connected with the interaction unit and the counting unit and used for judging whether the real-time counting value is consistent with the number of screws to be screwed when the screwing machine stops working and outputting a second judgment result;
and the alarm unit is connected with the second judgment unit and used for outputting alarm information when the count value is not consistent with the number of screws to be screwed according to the second judgment result.
Preferably, the screw counting system is characterized in that the screw counter is connected with a plurality of screw driving guns with different specifications through a plurality of control lines, and each screw driving gun corresponds to a screw with a corresponding specification.
Preferably, the user command further includes a screwing sequence of the screwing guns of different specifications and a screw number to be screwed for each screwing gun.
Preferably, the screw counting system, wherein the screw counter comprises a buzzer, and the buzzer is connected with the alarm unit and used for giving out a buzzing alarm according to the alarm information.
Preferably, the screw counting system, wherein the screw counter comprises an indicator light, and the indicator light is connected with the second judging unit;
when the counting value is consistent with the number of screws to be screwed, the indicator lamp is turned on to be green;
when the counting value is not consistent with the number of screws to be screwed, the indicator light is turned on.
Preferably, the screw counting system, wherein the screw counter is further connected with an external conveyor belt through a control line;
the user instruction also comprises a control instruction, and the control instruction is used for controlling the conveyor belt to convey the next product to be processed;
the interaction unit also comprises a sending module, and the sending module is used for sending a control instruction to the conveyor belt;
the conveyor belt is used for conveying the products to be processed according to the control instruction.
Preferably, the screw counting system, wherein the interaction unit further comprises a control module;
the control module is used for controlling the sending module, and the sending module is allowed to send a control instruction to the conveyor belt only when the screwing machine stops working and the real-time counting value is consistent with the number of screws to be screwed according to the second judgment result.
Preferably, the screw counting system further comprises a maintenance verification unit connected with the second judgment unit and the interaction unit;
and according to the second judgment result, when the screw driving machine stops working and the real-time counting value is not consistent with the screw driving number, the maintenance verification unit controls the interaction unit to carry out identity verification on the user, the user is required to input the authority password through the interaction unit, and when the authority password meets the requirement of the identity verification, the user is allowed to carry out maintenance operation on the product to be processed.
Preferably, the screw counting system, wherein the user command further comprises a reset command;
after the user finishes the maintenance operation, a reset instruction is input through the interaction unit, and the central control unit controls the screw counter to recover the initial state according to the reset instruction.
Preferably, the screw counting system, wherein the user command further comprises a reset command;
after the user finishes the maintenance operation, a reset instruction is input through the interaction unit, the central control unit controls the automatic screw driving machine to recover the initial state according to the reset instruction, and the conveying belt is controlled to convey the next product to be processed.
Preferably, the screw counting system, wherein the screw counter is logically controlled using a programmable logic controller.
Preferably, the screw counting system is characterized in that the casing of the screw counter is of a metal frame structure;
and a cooling fan is arranged in the screw counter.
The technical scheme has the following advantages or beneficial effects:
by the technical scheme, the screw beating operation conditions of an operator can be counted and monitored through the screw counting system, whether the operator completely finishes the set screw beating work or needs to maintain possibly existing defective products is judged in a counting mode, and the defective products are subjected to secondary processing, so that the generation of the defective products is avoided; meanwhile, the screw counting system has the advantages of strong expansibility, good heat dissipation performance and convenience in maintenance.
Drawings
Fig. 1 is a schematic structural diagram of a screw counting system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
To solve the above problems in the prior art, there is provided a screw counting system applied in the electronic technology field, as shown in fig. 1, including:
a screw counter 1 and a screwing gun 2 connected with the screw counter through a control line;
beat screw rifle 2 and be used for treating the product of processing and beat the screw operation, carry out manual control by the user, beat screw rifle 2 and further include:
the feedback unit 21 is used for acquiring a feedback torque value of the screw gun 2 during each screwing operation through a torque sensor arranged at the muzzle of the screw gun 2 and outputting the feedback torque value as a feedback value;
the transmission unit 22, the transmission unit 22 is connected to the feedback unit 21, and is used for transmitting the feedback value to the screw counter 1;
the screw counter 1 is used for recording the number of the screws of the screw gun 2, and the screw counter 1 further comprises:
the first judging unit 11 is configured to receive the feedback value, judge whether the feedback value is greater than a first preset threshold, and output a first judgment result;
the counting unit 12 is connected with the first judging unit 11, counts according to the first judging result, and outputs a real-time counting value, wherein the real-time counting value is the number of times that the first judging result is that the feedback value is greater than the first preset threshold value;
the interaction unit 13 is connected with the counting unit 12 and is used for receiving a user instruction and displaying a real-time counting value, wherein the user instruction comprises the number of screws to be screwed;
the second judging unit 14 is connected with the interaction unit 13 and the counting unit 12 and is used for judging whether the real-time counting value is consistent with the number of screws to be screwed when the screwing machine 2 stops working and outputting a second judging result;
and the alarm unit 15 is connected with the second judgment unit 14 and used for outputting alarm information when the count value is not consistent with the number of screws to be screwed according to the second judgment result.
In a preferred embodiment of the invention, the screw counter 1 monitors the screw driving condition through a torque sensor arranged at the muzzle of the screw driving gun 2, when an operator uses the screw driving gun 2 to perform qualified screw driving operation for one time, the torque sensor detects a larger feedback torque value, and when the screw is missed to be driven or the screw is driven too shallowly to meet the requirement of a set specification, the torque sensor detects a smaller feedback torque value, and the feedback is carried out under a preset standard state; the moment value is used as a first preset threshold value, and then the feedback moment value of each time is compared with the first preset threshold value, so that the qualified number of the screws can be obtained.
In a preferred embodiment, the screw counting system is characterized in that the screw counter 1 is connected with a plurality of screwing guns 2 with different specifications through a plurality of control lines, and each screwing gun 2 corresponds to a screw with a corresponding specification.
In a preferred embodiment, the user command further includes the screwing sequence of the screwing guns 2 of different specifications and the number of screws to be screwed for each screwing gun 2.
In a preferred embodiment, the screw counting system, wherein the screw counter 1 comprises a buzzer, the buzzer is connected to the alarm unit 15, and is used for sending out a buzzer alarm according to the alarm information.
In a preferred embodiment of the invention, the buzzer is arranged to give out a buzzing alarm, so that errors in the screwing operation can be better and more timely fed back to an operator, and the operator is reminded to check or reprint the product to be processed in time.
In a preferred embodiment, the screw counting system is provided, wherein the screw counter 1 comprises an indicator light, and the indicator light is connected to the second determination unit 14;
when the counting value is consistent with the number of screws to be screwed, the indicator lamp is turned on to be green;
when the counting value is not consistent with the number of screws to be screwed, the indicator light is turned on.
In another preferred embodiment of the present invention, the surface of the screw counter 1 is provided with a plurality of indicator lights, when the counting value is consistent with the number of screws to be screwed, the indicator lights turn on green lights, and when the counting value is inconsistent with the number of screws to be screwed, the indicator lights turn on red lights, thereby more intuitively feeding back to the operator that the screw-screwing operation thereof has an error, and reminding the operator to check or re-screw the product to be processed in time.
In a preferred embodiment, the screw counting system is characterized in that the screw counter 1 is further connected with an external conveyor belt through a control line;
the user instruction also comprises a control instruction, and the control instruction is used for controlling the conveyor belt to convey the next product to be processed;
the interaction unit 13 further comprises a sending module, and the sending module is used for sending a control instruction to the conveyor belt;
the conveyor belt is used for conveying the products to be processed according to the control instruction.
In a preferred embodiment, the screw counting system, wherein the interaction unit 13 further comprises a control module;
the control module is used for controlling the sending module, and the sending module is allowed to send a control instruction to the conveyor belt only when the screwing machine 2 stops working and the real-time counting value is consistent with the number of screws to be screwed according to the second judgment result.
In another preferred embodiment of the present invention, the interactive unit 13 includes a touch screen and a button, the user sets the control parameters to the screw counter 1 through the touch screen, and controls the sending module to send the control command by pressing the button so as to make the conveyor belt convey the next workpiece to be processed; in the above preferred embodiment, only when the second determination unit 14 determines that the workpiece to be processed successfully and satisfactorily completes the screwing operation, the control command represented by the user pressing the button is allowed to be sent by the control module, otherwise the conveyor belt will not receive the control command of the user.
In a preferred embodiment, the screw counting system, wherein the screw counter 1 further comprises a maintenance verification unit, which is connected to the second determination unit 14 and the interaction unit 13;
according to the second judgment result, when the screw driving machine 2 stops working and the real-time counting value is not consistent with the screw driving number, the maintenance verification unit controls the interaction unit 13 to carry out identity verification on the user, the user is required to input the authority password through the interaction unit 13, and when the authority password meets the requirement of the identity verification, the user is allowed to carry out maintenance operation on the product to be processed.
In another preferred embodiment of the present invention, when the determination result of the second determining unit 14 is that the real-time count value is not consistent with the number of screws to be screwed, it indicates that the workpiece to be processed is not qualified to complete the predetermined task, the maintenance mode needs to be entered to manually inspect and maintain the workpiece, the operation identity of the user needs to be checked through the authority password before entering the maintenance mode, and the maintenance operation can be performed on the premise that the user has the related authority.
In a preferred embodiment, the screw counting system, wherein the user command further comprises a reset command;
after the user finishes the maintenance operation, the reset instruction is input through the interaction unit 13, and the central control unit 13 controls the screw counter 1 to recover the initial state according to the reset instruction.
In another preferred embodiment of the present invention, the user can enter a reset command through the interaction unit 13 to exit the maintenance mode, so as to ensure that the whole screw counter 1 can be reset after maintenance without affecting the subsequent operation.
In a preferred embodiment, the screw counting system is configured such that the screw counter 1 is logically controlled by a programmable logic controller.
In another preferred embodiment of the present invention, the screw counter 1 uses a PLC controller to replace the prior art that uses a "relay + hardware" logic control method, which has better expandability and facilitates the update and maintenance of the screw counter 3.
As a preferred embodiment, the screw counting system is characterized in that the casing of the screw counter 1 is of a metal frame structure;
a cooling fan is arranged inside the screw counter 1.
In another preferred embodiment of the present invention, the casing of the screw counter 1 is a metal frame structure, and the inside of the casing is provided with a heat dissipation fan, so that the screw counter 1 has better heat dissipation performance.
A specific embodiment is now provided to further explain and explain the present technical solution:
the operator uses this kind of screw counting system to treat the processing product beat the screw processing operation and count and control:
firstly, an operator sets relevant parameters of the screwing operation required by a workpiece to be processed on the interaction unit 13, wherein the relevant parameters comprise the operation required by using several screwing guns with different specifications, the specific sequence of the operation of the screwing guns and the number of screws to be screwed of each screwing gun, in the specific embodiment, screws with A, B specifications are set to be used for screwing the product to be processed, screws with A specification need to be screwed by 10 screws, and screws with B specification need to be screwed by 15 screws.
After the user sets the working parameters, the conveyor belt starts to transport and move, the workpiece to be processed is conveyed to the processing station, and then an operator performs screw driving operation according to the previously set working parameters: the method comprises the following steps that firstly, a gun A is used for driving 10 screws, in the screw driving process, a screw counter 1 monitors the screw driving condition through a torque sensor arranged at the gun mouth of a screw driving gun 2, a counting unit 12 counts according to a first judgment result, and a real-time counting value is displayed on an interaction unit 13.
After the gun A finishes the screwing operation, the second judging unit 14 judges whether the gun A is qualified to finish the corresponding work by comparing the real-time count value with the number of screws to be screwed: if the real-time counting value is equal to the number of screws to be screwed, the gun A is qualified and finishes the set work, the indicating lamp is turned on to be green, and meanwhile, an operator is allowed to use the gun B to perform subsequent screwing operation; and if the real-time counting value is not equal to the number of screws to be screwed, the operator cannot use the gun A to finish the set task, the alarm unit 15 is triggered, the indicator light is on, the buzzer sends out a buzzing alarm to warn, and the maintenance mode is started at the same time.
In the maintenance mode, whether the user has the maintenance authority needs to be judged, the maintenance verification unit controls the interaction unit 13 to verify the identity of the user at the moment, the user is required to input the authority password through the interaction unit 13, when the authority password meets the preset value, the operation user passes the identity verification requirement, and at the moment, the user is allowed to maintain the product to be processed.
In the maintenance mode, two possible situations needing maintenance are adopted, one is a situation of missing screwing, the other is a situation that screws are not screwed completely, a user can manually distinguish the two situations, and if the situation of missing screwing occurs, the gun A is controlled to screw the positions where the screws are not screwed again; if the screw is not completely driven, the operator controls the gun A to repeat the previous action, and the screw at each driving position is driven again.
After the related maintenance operation is completed, the user inputs a reset instruction through the interaction unit 13, which indicates that the related inferior-quality product condition is eliminated, and the B gun can be continuously used for subsequent screwing operation.
When all the predetermined operations are performed in a qualified manner, the user controls the conveyor belt to convey a new workpiece to be processed to the processing position through the interaction unit 13, and the new processing operation is started repeatedly.
In summary, the screw counting system disclosed by the invention can count and monitor the screw beating operation condition of an operator, judge whether the operator completely finishes the set screw beating work or needs to maintain the possibly existing defective products in a counting mode, and avoid the generation of the defective products by carrying out secondary processing on the defective products; meanwhile, the screw counting system has the advantages of strong expansibility, good heat dissipation performance and convenience in maintenance.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. A screw counting system is characterized by comprising a screw counter and a screw gun connected with the screw counter through a control line;
beat the screw rifle and be used for treating the processing product and beat the screw operation, carry out manual control by the user, beat the screw rifle and further include:
the feedback unit acquires a feedback torque value of the screw gun during each screwing process through a torque sensor arranged at the muzzle of the screw gun and outputs the feedback torque value as a feedback value;
the transmission unit is connected with the feedback unit and is used for transmitting the feedback value to the screw counter;
the screw counter is used for recording the number of the screws of the screw gun, and the screw counter further comprises:
the first judging unit is used for receiving the feedback value, judging whether the feedback value is greater than a first preset threshold value or not and outputting a first judging result;
the counting unit is connected with the first judging unit, counts according to the first judging result and outputs a real-time counting value, wherein the real-time counting value is the number of times that the first judging result is that the feedback value is larger than the first preset threshold value;
the interaction unit is connected with the counting unit and used for receiving a user instruction and displaying the real-time counting value, wherein the user instruction comprises the number of screws to be screwed;
the second judgment unit is connected with the interaction unit and the counting unit and used for judging whether the real-time counting value is consistent with the number of screws to be screwed when the screwing machine stops working and outputting a second judgment result;
and the alarm unit is connected with the second judgment unit and used for outputting alarm information when the count value is not consistent with the number of screws to be screwed according to the second judgment result.
2. The screw counting system of claim 1, wherein the screw counter is connected to a plurality of different sizes of the screwdrivers through a plurality of control wires, each of the screwdrivers corresponding to a respective size of screw.
3. The screw counting system of claim 2, wherein the user instructions further comprise a screwing sequence of the screwing guns of different specifications and a number of screws to be screwed for each of the screwing guns.
4. The screw counting system of claim 1, wherein the screw counter comprises a buzzer, the buzzer is connected to the alarm unit, and the buzzer alarms according to the alarm information.
5. The screw counting system of claim 1, wherein the screw counter comprises an indicator light, the indicator light being connected to the second determination unit;
when the counting value is consistent with the number of the screws to be screwed, the indicator lamp is turned on to be green;
and when the count value is inconsistent with the number of screws to be screwed, the indicator lamp is turned on.
6. The screw counting system of claim 1, wherein said screw counter is further connected to an external conveyor belt via said control line;
the user instruction further comprises a control instruction, and the control instruction is used for controlling the conveyor belt to convey the next product to be processed;
the interaction unit further comprises a sending module, and the sending module is used for sending the control instruction to the conveyor belt;
and the conveyor belt is used for conveying the product to be processed according to the control instruction.
7. The screw counting system of claim 6, wherein the interactive unit further comprises a control module;
the control module is used for controlling the sending module, and according to the second judgment result, the sending module is allowed to send the control instruction to the conveyor belt only when the screw driving machine stops working and the real-time counting value is consistent with the screw driving number.
8. The screw counting system of claim 1, wherein the screw counter further comprises a maintenance verification unit connecting the second determination unit and the interaction unit;
and according to the second judgment result, when the screw driving machine stops working and the real-time counting value is not consistent with the screw driving number, the maintenance verification unit controls the interaction unit to carry out identity verification on the user, the user is required to input an authority password through the interaction unit, and when the authority password meets the requirement of the identity verification, the user is allowed to carry out maintenance operation on the product to be processed.
9. The screw counting system of claim 8, wherein the user instructions further comprise a reset instruction;
and after the user finishes the maintenance operation, the reset instruction is input through the interaction unit, and the central control unit controls the screw counter to recover the initial state according to the reset instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910785892.3A CN110647972B (en) | 2019-08-23 | 2019-08-23 | Screw counting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910785892.3A CN110647972B (en) | 2019-08-23 | 2019-08-23 | Screw counting system |
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| CN110647972A true CN110647972A (en) | 2020-01-03 |
| CN110647972B CN110647972B (en) | 2023-04-07 |
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| CN201910785892.3A Active CN110647972B (en) | 2019-08-23 | 2019-08-23 | Screw counting system |
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| CN112247541A (en) * | 2020-09-15 | 2021-01-22 | 天津英利模具制造有限公司 | Bolt tightening tool for automobile spare tire bin |
| CN113029424A (en) * | 2021-03-03 | 2021-06-25 | 捷普电子(无锡)有限公司 | Screw driving monitoring method, device and equipment |
| CN114986140A (en) * | 2022-06-17 | 2022-09-02 | 苏州安智无线电能传输研究院有限公司 | Numerical-control screw locking system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110647972B (en) | 2023-04-07 |
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