Scrap Collection Methods with Level Sensors

Abstract

The present invention relates to a scrap collection method for collecting scrap generated through a scrap cutting means, comprising a first transfer pipe, a second transfer pipe, and a third transfer pipe, wherein the first to third transfer pipes are connected to a transfer section connected by a 3-way valve, in a scrap transfer step in which scrap is transferred; wherein the transfer section receives scrap to be collected through the first transfer pipe, and the second transfer pipe and the third transfer pipe are located on the other side to discharge the transferred scrap, in a scrap discharge step in which the scrap discharged from the second transfer pipe and the third transfer pipe is collected in a collection section composed of a first collection bag and a second collection bag, and wherein the second transfer pipe is discharged to the first collection bag and the third transfer pipe is discharged to the second collection bag, and the first collection bag includes a first level sensor and the second collection bag includes a second level sensor to detect the amount of scrap stored.

Description

Technology Field

[0001] The present invention relates to a method for collecting scrap generated in a printed circuit board manufacturing process, and more specifically, to a method using a device that includes a level sensor in the collection unit to increase the efficiency of collection. Background Technology

[0003] Generally, in the manufacturing process of electronic components such as Printed Circuit Boards (PCBs), waste scrap is generated, and technology for recovering valuable metals from said scrap is already widely known.

[0004] Furthermore, the cost of disposing of the aforementioned printed circuit boards after use is borne by the manufacturer, and the disposal process affects the environment through various heavy metals.

[0005] Furthermore, most of the widely known technologies have primarily focused on researching techniques to achieve the objective of recovering valuable metals from electronic components, including used printed circuit boards, or from scrap generated during the manufacturing process.

[0006] Korean Patent Publication No. 2002-0050046 relates to a recycling system for waste electronic scrap by grinding, and discloses a system for recycling waste electronic scrap by a grinding method using a grinding roller, a system that rotates the roller at high speed to remove solder attached to a printed circuit board without damaging the components of the waste electronic scrap, and simultaneously grinds copper attached to the board to recover it in a powder state, and a system characterized by not emitting pollutants, whereas existing devices for recovering valuable metals from waste electronic scrap incinerate polymer resins on printed circuit boards, etc., but the system according to the present invention processes even synthetic resins into a powder state by grinding, thereby eliminating the emission of pollutants.

[0007] Korean Registered Patent Publication No. 10-0655692 relates to a processing apparatus and processing method for a PC board, comprising: a case means equipped with a supply port and an discharge port; a transfer means installed in the case means for transferring the unprocessed PC board; a stop means for temporarily stopping the unprocessed PC board transferred to the work area when the unprocessed PC board is transferred to the work area of ​​the transfer means; a clamping means for positioning and clamping the unprocessed PC board whose transfer has been stopped in the work area by the stop means; and a holding means for holding the PC board portion of the unprocessed PC board so that precise processing can be performed when the unprocessed PC board clamped by the clamping means is processed, and at the same time, the processed PC board portion can be transported. A processing device for a PC board is disclosed, comprising: a processing means for cutting and processing a connecting portion of the unprocessed PC board in which the PC board portion of the unprocessed PC board is held by the holding means and the scrap portion of the unprocessed PC board is clamped by the clamping means; a scrap conveying means for conveying the scrap portion processed by the processing means; a scrap collecting means for collecting the scrap portion conveyed by the scrap conveying means; and a PC board conveying means provided above the scrap collecting means for discharging the PC board portion held by the holding means through the discharge port.

[0008] Korean Registered Utility Model Publication No. 20-0156037 relates to a cutting device for printed circuit boards, comprising a robot that moves linearly in the X and Y directions having a lifting head equipped with a tool on a step, an input unit that supplies a board to the lower side of the lifting head, a pickup unit that separates the board and the printed circuit board after cutting the board transferred from the input unit, and an extraction unit that feeds the printed circuit board supplied from the pickup unit into the next process.

[0009] Korean Registered Patent Publication No. 10-0981890 relates to a method for recycling scrap generated in a PCB substrate manufacturing process, comprising: A. a step of first crushing and secondly grinding the scrap generated in the PCB substrate manufacturing process that was brought in; B. a step of mixing the ground scrap generated in the PCB substrate manufacturing process with water; C. a step of introducing the mixture into a tilted plate-shaped purification facility and shaking the purification facility left and right to separate copper powder induced on one side of the purification facility from the mixture; D. a step of removing moisture contained in the separated copper powder in a dehydration facility; and E. a step of drying the copper powder from which moisture has been removed.

[0010] Korean Registered Patent Publication No. 10-1401898 relates to a paddle-type level switch, comprising a housing body (12) which is a main body case, a paddle (15) mounted on a main shaft (14) which is axially installed at the tip of the housing body (12), and a main driving means axially coupled to the main shaft (14) inside the housing body (12) for detecting and sensing the level of a measured object within a storage container according to the rotation of the paddle (15). The main driving means comprises a motor unit (120) that generates rotational power internally, a micro switch unit (130) that outputs whether the measured object is detected, and a clutch member (110) that maintains a constant torque intensity. The clutch member (110) is formed by fitting a clip in the form of a pin to the upper circumference of a cylindrical shaft connector (111) which is axially coupled to the main shaft (14). A paddle-type level switch is provided, characterized by including a clip pin (114) that securely fixes the main shaft (14), and further including a heat sink (200) that is mounted on the outer circumference of the main shaft (14) of the housing body (12) and has a cold hole (210) formed at regular intervals as a heat dissipation means for rapid heat dissipation.

[0011] However, the aforementioned prior art documents disclose only a technology for recovering valuable metals after recovering scrap generated in a manufacturing process, but do not disclose the configuration of a device and a method for efficient collection. Furthermore, although there is a paddle-type switch for detecting the level, it only detects the level of the measured material and is not utilized in the scrap recovery process of the scrap manufacturing process, which is the field of the present invention. Prior art literature

[0013] Republic of Korea Published Patent Application No. 2002-0050046 Republic of Korea Registered Patent Application No. 10-0655692 Republic of Korea Registered Utility Model Application No. 20-0156037 Republic of Korea Registered Patent Application No. 10-0981890 Republic of Korea Registered Patent Application No. 10-1401898 The problem to be solved

[0014] The main objective of the present invention, which aims to solve the aforementioned conventional problems, is to provide a device that collects scrap generated during the manufacturing process of printed circuit boards and notifies the replacement cycle or enables replacement without the need to frequently check the collection bag.

[0015] Other objects, specific advantages, and novel features of the present invention will become more apparent from the following detailed description and preferred embodiments in conjunction with the accompanying drawings. means of solving the problem

[0017] The present invention, for solving the technical problem described above, provides a scrap collection method for collecting scrap generated through a scrap cutting means, comprising: a scrap transfer step in which scrap is transferred through a transfer section connected by a 3-way valve to the first to third transfer pipes, the scrap discharge step in which scrap to be collected is introduced through the first transfer pipe and the second transfer pipe and the third transfer pipe are located on the other side to discharge the transferred scrap, the scrap collection step in which scrap discharged from the second transfer pipe and the third transfer pipe is collected in a collection section composed of a first collection bag and a second collection bag, and the scrap level detection step in which the amount of scrap stored is detected by including a first level sensor in the first collection bag and a second level sensor in the second collection bag, wherein the second transfer pipe is discharged to the first collection bag and the third transfer pipe is discharged to the second collection bag.

[0018] In addition, in the scrap transfer step, scrap discharge to the second transfer pipe and the third transfer pipe can be selectively performed through the 3-way valve.

[0019] In addition, the scrap transfer step, the scrap discharge step, and the scrap collection step may be controlled to operate according to the amount of collected scrap detected through the first level sensor and the second level sensor in the scrap level detection step.

[0020] In addition, the first level sensor used in the scrap level detection step, which is a step for detecting the amount of the collected scrap, includes a first paddle consisting of a first rotary motor and one or more blades, and a shaft equipped with a length adjustment means to correspond to the amount of the collected scrap and the depth of the first collection bag, and the amount of the collected scrap can be measured through the load amount measured through the rotation of the rotating paddle.

[0021] In addition, the second level sensor used in the scrap level detection step, which is a step for detecting the amount of the collected scrap, includes a second rotary motor and a second paddle consisting of one or more blades, and a shaft equipped with a length adjustment means to correspond to the amount of the collected scrap and the depth of the second collection bag, and the amount of the collected scrap can be measured through the load amount measured through the rotation of the rotating paddle.

[0022] In addition, a scrap detection step may be additionally included to detect the presence or absence of the collected scrap prior to the scrap level detection step through a scrap detection sensor on one side of the first level sensor or the second level sensor.

[0023] In addition, when the scrap collected through the scrap level detection step approaches a set load amount, a post-processing step may be additionally included, which involves tying one side of the first collection bag or the second collection bag in which the scrap is collected, or rotating the first collection bag and the second collection bag.

[0024] In addition, through the scrap collection method described above, a scrap collection device may be provided comprising: a transfer unit including a first transfer pipe, a second transfer pipe, a third transfer pipe, and a third way valve for transferring scrap; a discharge unit for discharging scrap transferred through the transfer unit; a collection unit for collecting scrap discharged through the discharge unit; and a post-processing unit for post-processing scrap collected through the collection unit; wherein the collection unit includes a level sensor including a level sensor for detecting or measuring the collected scrap. Effects of the invention

[0026] The present invention has the effect of reducing the required workforce and establishing an automated system by measuring the amount of scrap collected in a collection bag using a sensor during the process of collecting scrap generated in a manufacturing process, which has the effect of reducing costs. Brief explanation of the drawing

[0028] FIG. 1 illustrates a 3-way valve for dispensing a scrap collection device, which is an embodiment of the present invention, and a view from the top surface. FIG. 2 illustrates a frontal view of a scrap collection device, which is an embodiment of the present invention. FIG. 3 shows the steps of a scrap collection method, which is an embodiment of the present invention, in sequence. FIG. 4 shows the steps including additional steps of a scrap collection method, which is an embodiment of the present invention, in sequence. Specific details for implementing the invention

[0029] The present invention will be described in more detail below with reference to the attached drawings. However, the attached drawings are merely examples to easily explain the content and scope of the technical concept of the present invention, and the technical scope of the present invention is not limited or altered by these examples. Furthermore, it will be obvious to those skilled in the art that various modifications and changes are possible within the scope of the technical concept of the present invention based on these examples.

[0030] Furthermore, terms and words used in this specification and claims should not be interpreted as being limited to their ordinary or dictionary meanings, but should be interpreted in a meaning and concept consistent with the technical spirit of the invention, based on the principle that the inventor can appropriately define the concept of the terms to best describe his invention. Accordingly, the embodiments described in this specification are merely the most preferred embodiments of the invention and do not represent all of the technical spirit of the invention; therefore, it should be understood that various equivalents and modifications that can replace them may exist at the time of filing this application.

[0031] FIG. 1 illustrates a 3-way valve for distribution of a scrap collection device according to an embodiment of the present invention and a view from the top surface, FIG. 2 illustrates a scrap collection device according to an embodiment of the present invention viewed from the front, FIG. 3 illustrates the steps of a scrap collection method according to an embodiment of the present invention in sequence, and FIG. 4 illustrates the steps including additional steps of a scrap collection method according to an embodiment of the present invention in sequence.

[0032] A scrap collection method for collecting scrap generated through a scrap cutting means comprises a first transfer pipe, a second transfer pipe, and a third transfer pipe, wherein the first to third transfer pipes are connected to a transfer section connected by a 3-way valve, in a scrap transfer step in which scrap is transferred; wherein the transfer section receives scrap to be collected through the first transfer pipe, and the second transfer pipe and the third transfer pipe are located on the other side to discharge the transferred scrap, in a scrap discharge step in which the scrap discharged from the second transfer pipe and the third transfer pipe is collected in a collection section composed of a first collection bag and a second collection bag, wherein the second transfer pipe is discharged to the first collection bag and the third transfer pipe is discharged to the second collection bag, and the first collection bag includes a first level sensor and the second collection bag includes a second level sensor to detect the amount of scrap stored.

[0033] In addition, in the scrap transfer step, scrap discharge to the second transfer pipe and the third transfer pipe can be selectively performed through the 3-way valve.

[0034] In addition, the scrap transfer step, the scrap discharge step, and the scrap collection step may be controlled to operate according to the amount of collected scrap detected through the first level sensor and the second level sensor in the scrap level detection step.

[0035] In addition, the first level sensor used in the scrap level detection step, which is a step for detecting the amount of the collected scrap, includes a first paddle consisting of a first rotary motor and one or more blades, and a shaft equipped with a length adjustment means to correspond to the amount of the collected scrap and the depth of the first collection bag, and the amount of the collected scrap can be measured through the load amount measured through the rotation of the rotating paddle.

[0036] In addition, the second level sensor used in the scrap level detection step, which is a step for detecting the amount of the collected scrap, includes a second rotary motor and a second paddle consisting of one or more blades, and a shaft equipped with a length adjustment means to correspond to the amount of the collected scrap and the depth of the second collection bag, and the amount of the collected scrap can be measured through the load amount measured through the rotation of the rotating paddle.

[0037] In addition, a scrap detection step may be additionally included to detect the presence or absence of the collected scrap prior to the scrap level detection step through a scrap detection sensor on one side of the first level sensor or the second level sensor.

[0038] In addition, the first paddle and the second paddle may additionally include one or more vibration means that cause vibration, and the vibration means may have effects such as leveling the height of the collected scrap and reducing load measurement errors.

[0039] In addition, the vibration means may be located on one or more of the shaft equipped with the length adjustment means, one side of the paddle, the first motor, and the second motor, and may generate reciprocating, pendulum, or rotational vibration in any one direction of the entire range, including front, back, left, and right.

[0040] In addition, when the scrap collected through the scrap level detection step approaches a set load amount, a post-processing step may be additionally included, which involves tying one side of the first collection bag or the second collection bag in which the scrap is collected, or rotating the first collection bag and the second collection bag.

[0041] In addition, the vibration means may additionally include a vibration activation step to re-detect the scrap level prior to the post-processing step, thereby allowing a scrap level re-detect step to be added together.

[0042] In addition, through the scrap collection method described above, a scrap collection device may be provided comprising: a transfer unit including a first transfer pipe, a second transfer pipe, a third transfer pipe, and a third way valve for transferring scrap; a discharge unit for discharging scrap transferred through the transfer unit; a first collection unit and a second collection unit for collecting scrap discharged through the discharge unit; and a post-processing unit for post-processing the scrap collected through the collection unit; wherein the collection unit includes a level sensor including a level sensor for detecting or measuring the collected scrap.

[0043] In addition, storage means such as synthetic resin or plastic containing vinyl, or sacks, may be used to collect the discharged scrap, and a sealable storage means may be effective to address the generation of fine particles.

[0044] In addition, the storage means located in the first collection unit may be classified as the first storage means, and the storage means located in the second collection unit may be classified as the second storage means.

[0045] In addition, the first collection bag and the second collection bag may each refer to the first storage means and the second storage means.

[0046] In addition, the storage means may vary depending on the device for collecting the scrap, but generally, large-capacity pay-as-you-go bags sold commercially can be used, thereby preventing the occurrence of separate additional costs for processing the collected scrap.

[0047] In addition, the amount of scrap is detected through the first level sensor and the second level sensor, and a post-processing step may be performed when the amount is loaded at a level of 50% to 80% of the storage means.

[0048] Figure 3 shows that the scrap transfer step, scrap discharge step, and scrap collection step are controlled through the scrap level detection step.

[0049] In addition, in Fig. 4, it can be seen that a scrap level detection step is performed after the scrap detection step, and that the operation is controlled through the scrap level detection step, including a post-processing step.

[0050] In addition, for the above control, a separate control means may be installed internally or externally, and the user may operate it appropriately through a wired or wireless connection.

[0051] The above wireless may be a commonly used one such as Wi-Fi or Bluetooth, and may be a program installed on a mobile phone application or a computing device such as a computer.

[0052] In addition, the step for the scrap collection method described above can be controlled to operate according to a preset value.

[0053] Although the present invention has been described in detail through representative embodiments above, those skilled in the art will understand that various modifications can be made to the above-described embodiments within the scope of the present invention.

[0054] Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the claims set forth below as well as equivalents thereof. Explanation of the symbols

[0056] 100: Transfer section 110: 1st Transfer Pipeline 120: 2nd Transfer Pipeline 130: 3rd Transfer Pipeline 200: 1st Collection Unit 210: 1st level sensor 220: First storage means 300: 2nd Collection Unit 310: Second level sensor 330: Second storage means

Claims

Claim 1 A scrap collection method for collecting scrap generated through a scrap cutting means comprises: a scrap transfer step in which scrap is transferred through a transfer section connected by a 3-way valve, wherein the first to third transfer pipes include a first transfer pipe, a second transfer pipe, and a third transfer pipe; a scrap discharge step in which scrap to be collected is introduced through the first transfer pipe, and the second transfer pipe and the third transfer pipe are located on the other side to discharge the transferred scrap; a scrap collection step in which scrap discharged from the second transfer pipe and the third transfer pipe is collected in a collection section composed of a first collection bag and a second collection bag; and a scrap level detection step in which the second transfer pipe is discharged into the first collection bag and the third transfer pipe is discharged into the second collection bag, and the first collection bag includes a first level sensor and the second collection bag includes a second level sensor to detect the amount of scrap stored.The method comprises, wherein the scrap transfer step, the scrap discharge step, and the scrap collection step are controlled to operate according to the amount of collected scrap detected through a first level sensor and a second level sensor in the scrap level detection step, and the first level sensor used in the scrap level detection step, which is a step for detecting the amount of collected scrap, includes a first rotary motor, a first paddle composed of one or more blades, and a shaft equipped with a length adjustment means to correspond to the amount of collected scrap and the depth of the first collection bag, and measures the amount of collected scrap through a load amount measured through the rotation of the rotary paddle, and the second level sensor used in the scrap level detection step, which is a step for detecting the amount of collected scrap, includes a second rotary motor, a second paddle composed of one or more blades, and a shaft equipped with a length adjustment means to correspond to the amount of collected scrap and the depth of the second collection bag, and measures the amount of collected scrap through a load amount measured through the rotation of the rotary paddle, and the first paddle A scrap collection method comprising a level sensor, wherein the second paddle additionally includes one or more vibration means for generating vibration, a post-processing step for performing post-processing on the collected scrap, and further including a vibration activation step using the vibration means to re-detect the scrap level prior to the post-processing step.; Claim 2 A scrap collection method according to claim 1, comprising a level sensor in which scrap is selectively discharged to the second transfer pipe and the third transfer pipe through a 3-way valve during the scrap transfer step. Claim 3 delete Claim 4 delete Claim 5 delete Claim 6 A scrap collection method according to claim 1, comprising a level sensor that additionally includes a scrap detection step for detecting the presence or absence of the collected scrap prior to the scrap level detection step through a scrap detection sensor on one side of the first level sensor or the second level sensor. Claim 7 A scrap collection method comprising a level sensor, further comprising: a post-processing step in which, when the scrap collected through the scrap level detection step approaches a set load amount, one side of the first collection bag or the second collection bag in which the scrap is collected is tied or the first collection bag and the second collection bag are rotated for post-processing. Claim 8 A scrap collection device comprising: a conveying unit including a first conveying pipe, a second conveying pipe, a third conveying pipe, and a third way valve through which scrap is conveyed via the scrap collection method described in claim 1; a discharge unit for discharging scrap conveyed via the conveying unit; a collection unit for collecting scrap discharged via the discharge unit; and a post-processing unit for post-processing scrap collected via the collection unit; wherein the collection unit includes a level sensor including a level sensor for detecting or measuring the collected scrap.

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