KR102565410B1 - Automatic bolt fastening and inspection apparatus - Google Patents

Abstract

An automatic bolt fastening and inspection device according to an embodiment of the present disclosure includes a cabinet including a work table on which a workpiece is placed and a plurality of frames extending above the work table, a continuous bolt feeder provided in the cabinet and supplying bolts, and a continuous bolt feeder. A bolt transfer device that receives and transfers bolts, a high-frequency heating device that receives and heats bolts from the bolt transfer device, and a fastening inspection unit provided on one side of the cabinet to transfer and fasten bolts to assemblies. The high-frequency heating device includes , A bolt support for supporting the bolt, a sensor for detecting the state of the bolt of the bolt support, and a coil that is spaced apart from the bolt of the bolt support and emits high frequency to the bolt to induce heating of the bolt.

Description

Bolt fastening and inspection automation device {AUTOMATIC BOLT FASTENING AND INSPECTION APPARATUS}

The present disclosure relates to an apparatus for automating bolt fastening and inspection, and more particularly, to an apparatus for automating bolt fastening and inspection having a high-frequency heating device.

The bolt fastening device is used to assemble and fasten assemblies such as automobile parts. After the bolts of the assembly are fastened using the bolt fastening device, the bolt fastening state is inspected through the bolt inspection device to sort out defective products.

Conventional bolt fastening devices used a method in which an operator heats a bolt and applies force to forcibly press it into the injection molding product. In the manufacturing process, the operator manually manipulates the tool, so the degree of heating and Bolt press-in pressure is different, and defective products may occur due to excessive or insufficient insertion of bolts, and users may be injured by heating devices, increase fatigue due to repeated processes, and reduce production efficiency. did

In order to solve the above-mentioned problems, the bolt fastening and inspection automation device of one embodiment of the present disclosure includes a high-frequency heating device of a high-frequency micro-heating method, automatically heats and automatically inspects bolts in an injection product, and increases productivity It aims to increase efficiency.

In order to solve the above problems, a bolt fastening and inspection automation device according to an embodiment of the present disclosure includes a cabinet including a work table on which a workpiece is placed and a plurality of frames extending above the work table, provided in the cabinet and using bolts. A continuous bolt feeder for supplying, a bolt transfer device for receiving and transporting bolts from the continuous bolt feeder, a high-frequency heating device for receiving and heating bolts from the bolt feeder, and provided on one side of the inside of the cabinet to convert the bolts into assemblies. It includes a fastening inspection unit that transports and fastens, and the high-frequency heating device is spaced apart from the bolt support unit for supporting the bolt, the sensor for detecting the state of the bolt of the bolt support unit, and the bolt of the bolt support unit, and transmits high frequency to the bolt. It may include a coil that emits and induces heating of the bolt.

In this case, the sensor may detect whether or not the bolts of the bolt supporter are fastened and the temperature of the bolts of the bolt supporter.

Meanwhile, the sensor detects the type of bolt of the bolt support unit, and the high frequency heating device may emit high frequency waves under a heating condition corresponding to the type of bolt of the bolt support unit.

Meanwhile, the high-frequency heating device may include a gas supply device supplying gas toward the coil.

Meanwhile, the high-frequency heating device may include a cooling device that supplies cooling water to cool the inside.

Meanwhile, the coil may have a shape surrounding the bolt supporter.

In this case, the coil may have a shape wound at least once.

Meanwhile, the bolt transfer device may include a bolt support for supporting the bolt and a first pressure cylinder for providing pressure for transferring the bolt support in a vertical direction.

In this case, the bolt transfer device may include a second pressure cylinder providing pressure to transfer the bolt support in a horizontal direction.

Meanwhile, the bolt transfer device may include a second pressure cylinder providing pressure for vertically inverting the bolt support.

On the other hand, the high-frequency heating device may include a temperature inspection device for detecting the temperature of the heated bolt.

In this case, the temperature inspection device may include a sensor tip contacting the bolt to detect a temperature, a sensor support supporting the sensor tip, and a spring coupled to the sensor tip and the sensor support and contractible in a vertical direction. there is.

1 is a perspective view of a bolt fastening and inspection automation device according to an embodiment of the present disclosure.
Figure 2a is a front view of a bolt fastening and inspection automation device according to an embodiment of the present disclosure.
Figure 2b is a right side view of a bolt fastening and inspection automation device according to an embodiment of the present disclosure.
3 is a perspective view of a bolt feeding device according to an embodiment of the present disclosure.
4 is a perspective view of a high-frequency heating device according to an embodiment of the present disclosure.
5 is a perspective view of a temperature inspection device according to an embodiment of the present disclosure.

Terms used in this specification will be briefly described, and the present disclosure will be described in detail.

The terms used in the embodiments of the present disclosure have been selected from general terms that are currently widely used as much as possible while considering the functions in the present disclosure, but they may vary depending on the intention or precedent of a person skilled in the art, the emergence of new technologies, and the like. . In addition, in a specific case, there is also a term arbitrarily selected by the applicant, and in this case, the meaning will be described in detail in the description of the disclosure. Therefore, terms used in the present disclosure should be defined based on the meaning of the term and the general content of the present disclosure, not simply the name of the term.

Embodiments of the present disclosure may apply various transformations and may have various embodiments, and specific embodiments are illustrated in the drawings and described in detail in the detailed description. However, this is not intended to limit the scope to specific embodiments, and should be understood to include all transformations, equivalents, and substitutes included in the spirit and scope of technology disclosed. In describing the embodiments, if it is determined that a detailed description of a related known technology may obscure the subject matter, the detailed description will be omitted.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. Terms are only used to distinguish one component from another.

Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, "comprising." or "made up." The terms such as are intended to specify that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features or numbers, steps, operations, components, parts, or It should be understood that it does not preclude the possibility of existence or addition of combinations thereof.

In an embodiment of the present disclosure, a 'unit' or 'unit' performs at least one function or operation, and may be implemented as hardware or software or a combination of hardware and software. In addition, a plurality of 'units' or a plurality of 'units' may be integrated into at least one unit and implemented by at least one processor, except for 'units' or 'units' that need to be implemented with specific hardware.

Hereinafter, with reference to the accompanying drawings, embodiments of the present disclosure will be described in detail so that those skilled in the art can easily carry out the present disclosure. However, the present disclosure may be implemented in many different forms and is not limited to the embodiments described herein. And in order to clearly describe the present disclosure in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Hereinafter, the present disclosure will be described in more detail with reference to FIGS. 1 to 5 .

1 is a perspective view of a bolt fastening and inspection automation device 1 according to an embodiment of the present disclosure.

Referring to FIG. 1 , the bolt fastening and inspection automation device 1 of the present disclosure may include a plurality of components installed in a cabinet 400, for example, a high frequency heating device 500 and a bolt transfer device. 510 and a temperature inspection device 530.

The bolt fastening and inspection automation device 1 includes at least one fastening inspection unit 100 or 200, and each fastening inspection unit 100 or 200 can fasten a bolt to a workpiece and inspect it. In this case, the plurality of fastening inspection units 100 and 200 may fasten bolts of different types, sizes, and shapes, and the bolt fastening and inspection automation device 1 may include a plurality of fastening inspection units 100 and 200. can

The cabinet 400 supports the internal components of the bolt fastening and inspection automation device 1, and may include a work table 410 (see FIG. 2A) and a plurality of frames 405 extending above the work table 410, and a lower wheel. It can be moved and fixed, including.

Inside the cabinet 400, at least one fastening inspection unit 100, 200 and a continuous bolt feeder 110, 210 are provided, so that the bolt fastening and inspection automation device 1 automatically receives bolts and attaches bolts to the workpiece. can be contracted.

The bolt fastening and inspection automation device 1 of one embodiment may include a step of heating a bolt to fasten the bolt, and a high frequency heating device 500, a bolt transfer device 510, and a temperature inspection device for performing this. (530) may include at least one or more.

The high-frequency heating device 500, the bolt transfer device 510, and the temperature inspection device 530 may be installed adjacent to the first fastening inspection unit 100 as shown in FIG. 1, but are not limited thereto, and the cabinet Arranged inside or outside, it is possible to carry out an operation of transporting and heating the bolt from the continuous bolt feeder (110, 210), checking the temperature, and fastening.

In FIGS. 2A and 2B, the configuration disposed inside the cabinet 400 is described, and then each configuration of the high-frequency heating device 500, the bolt transfer device 510, and the temperature inspection device 530 is described through FIGS. 3 to 5. Explain in detail.

Figure 2a is a front view of a bolt fastening and inspection automation device 1 according to an embodiment of the present disclosure, Figure 2b is a right side view of the bolt fastening and inspection automation device 1 according to an embodiment of the present disclosure.

Referring to FIGS. 2A and 2B , the bolt fastening and inspection automation device 1 according to an embodiment of the present disclosure includes a first fastening inspection unit 100, a second fastening inspection unit 200, and a control unit 300.

The first fastening inspection unit 100 is a device for fastening bolts to an assembly product, and may be disposed on one side of the upper inside of the cabinet 400 . The first fastening inspection unit 100 includes a first bolt continuous feeder 110, a first screw fastener 120, a first Z-axis gearbox 130, a first X-axis gearbox 140, a first Y-socket It may include the device 150 and the first vision inspection unit 160 .

The first bolt supply unit 110 may supply bolts to the first screw fastener 120 . The first continuous bolt feeder 110 may be installed in the first work base 410 provided at the lower end of the space on one side of the upper part of the cabinet 400 .

The first screw fastener 120 is a device for fastening bolts to an assembly product, and may be installed on one side of the upper inside of the cabinet 400 to be transportable in X, Y, and Z-axis directions.

The first Z-axis drive device 130 is a device that transfers the first screw fastener 120 in the Z-axis direction, and may be installed above the first screw fastener 120 .

The first X-axis drive device 140 is a device that transfers the first screw fastener 120 in the X-axis direction, and is a frame 405 of the cabinet 400 provided on the top of the work table 410 of the cabinet 400 It is installed on the frame 405 parallel to the X axis and can move.

The first Y-axis drive device 150 is a device that transfers the first screw fastener 120 in the Y-axis direction, and is a frame 405 of the cabinet 400 provided on the top of the work table 410 of the cabinet 400. It is installed on the frame 405 parallel to the Y-axis and can move.

In addition to this, the above-described configuration and configuration of the first fastening inspection unit 100 and the configuration in the drawings are self-evident in the art to which the present invention belongs, so a detailed description thereof will be omitted.

The second fastening inspection unit 200 is a device for fastening bolts to an assembly product, and may be disposed on one side of the lower interior of the cabinet 400 . The second fastening inspection unit 200 includes a second bolt continuous feeder 210, a second screw fastener 220, a second Z-axis gearbox 230, a second X-axis gearbox 240, a second Y-axis The device 250 may be included.

Each configuration of the second fastening inspection unit 200 may be the same as or similar to a corresponding configuration of the first fastening inspection unit 100, and the specific structure may be variously designed and changed within a range predictable by a person skilled in the art.

The first jig 450 and the second jig 455 support the assembly at the top, and may be installed at the top of the work table 410, respectively. The first jig 450 and the second jig 455 may be rail-coupled with the work table 410 or may include wheels, and may support the assembly and move it in the X-axis direction.

The control unit 300 can control the overall driving of the bolt fastening and inspection automation device 1, and specifically, the first fastening inspection unit 100 and the second fastening inspection unit 200 drive each bolt for fastening and inspection. You can control it.

The control unit 300 may include an additional control unit 305. In this case, the control unit 300 controls driving related to the first fastening inspection unit 100, and the additional control unit controls driving related to the second fastening inspection unit 200. drive can be controlled.

The control unit 300 and the additional control unit 305 are provided in the front direction of the cabinet 400, so that the operator can check them and control the bolt fastening and inspection automation device 1.

3 is a perspective view of a bolt transfer device 510 according to an embodiment of the present disclosure.

The bolt transfer device 510 according to an embodiment of the present disclosure includes a bolt support 515, a first pressure cylinder 511, a second pressure cylinder 512, a first transfer rail 513, and a second transfer rail 512. can include

The bolt transfer device 510 may receive and transfer bolts from the first continuous bolt feeder 110 or the second continuous bolt feeder 210 . The bolt transfer device 510 may be provided on top of the work table 410 and may exist in plurality.

The bolt support 515 may receive bolts from the first continuous bolt feeder 110 or the second continuous bolt feeder 210 and support them.

The first pressure cylinder 511 may provide pressure for the bolt transfer device 510 to vertically transfer the bolt support 515 on the elevating shaft 516 . Also, the second pressure cylinder 512 may provide pressure for the bolt transfer device 510 to transfer the bolt support 515 on the first transfer rail 513 and the second transfer rail 512 in the horizontal direction. there is.

The second pressure cylinder 512 of one embodiment may provide pressure for the bolt transfer device 510 to invert the bolt support 515 in the vertical direction. In this case, the bolt transfer device 510 is the bolt of the bolt. It is possible to reverse the position of the head and threads and provide bolts with different components.

The bolt transfer device 510 may provide bolts to other component devices, for example, the first fastening inspection unit 100 , the second fastening inspection unit 200 or the high frequency heating device 500 .

4 is a perspective view of a high-frequency heating device 500 according to an embodiment of the present disclosure.

The high frequency heating device 500 may include a body 502 , a coil 513 , and a sensor 520 .

The body 502 may be installed on top of the plate 503, and the plate 503 may be supported through the main shaft 501.

The bolt support 523 can be selectively fixed to the bolt head or the base of the bolt. The bolt support 523 may include a seat 505 on which the head or base of the bolt is seated, and may include a sensor support 521 and a fastening sensor 520 on the side of the seat 505. . The bolt support 523 is installed on the upper surface of the plate 503 and may be supported through the sub shaft 525 .

The coil 513 may be implemented in a form wound at least once in a circle, and may be installed to surround the bolt support 523 .

The sensor 520 of one embodiment may sense the type of bolt fixed to the seat 505, and the main body 502 receives information about the type of bolt from the sensor 520 and uses a predetermined setting value. Bolts can be heated.

The sensor 520 of one embodiment may sense the temperature of a bolt fixed to the seat 505, and the main body 502 receives the temperature of the bolt from the sensor 520 and adjusts the bolt based on a preset setting value. can be heated In this case, the sensor 520 may be implemented as an infrared sensor.

In one embodiment, the sensor 520 may sense whether a bolt is fixed to the seat 505 and control the main body 502 not to be driven when the bolt is not sensed.

Therefore, the sensor 520 automatically detects the bolt type when fastening the different types of bolts, and the main body 502 can be heated according to the corresponding heating condition, and the fastening sensor 520 functions as a safety sensor. can be done

The body 502 may emit high-frequency waves to the bolts of the seating table 505 through the coil 513 and heat the bolts. Through a method in which the main body 502 uses high frequency, it is possible to perform work quickly and accurately compared to other heat treatment methods.

For example, the high-frequency heating device 500 can prevent a problem in which a bolt is physically deformed or a surface is distorted due to excessive heating, which may occur in a heating method such as hot wire heating or melting type heating, through high frequency heating. there is.

In addition, the high-frequency heating device 500 can efficiently heat the bolt without direct contact with the bolt through high-frequency heating, so that the bolt can be prevented from being denatured or damaged due to contact.

In addition, the high-frequency heating device 500 can increase precision in heating bolts of various types and shapes by quickly and accurately controlling the heat treatment time and heating temperature through high-frequency heating. In addition, the high-frequency heating device 500 may increase work reliability in a plurality of heat treatment steps, improve yield, and provide improved product quality.

Although not shown in the drawing, the main body 502 may include a cooling device (not shown) for preventing internal overheating and supplying cooling water to cool the main body 502, and for supplying gas to the coil 513. A gas supply device (not shown) may be included.

5 is a perspective view of a temperature inspection device 530 according to an embodiment of the present disclosure.

The temperature inspection device 530 according to an embodiment of the present disclosure may be formed adjacent to the high frequency heating device 500 and may be installed on an upper surface of the work table 410 .

The temperature inspection device 530 may sense the temperature of the bolt heated through the high frequency heating device 500 through the sensor tip 530 .

The sensor tip 530 may be coupled and supported by a bracket 533 , and the bracket 533 may be coupled to the sensor support 532 through a spring 535 . The sensor support 532 may be supported by the sensor support shaft 534 .

The temperature inspection device 530 may detect a temperature of a bolt coupled to at least one of the bolt transfer device 510 , the first continuous bolt feeder 110 , and the second continuous bolt feeder 210 . The temperature inspection device 530 may detect whether the temperature of the bolt has reached a predetermined appropriate temperature before the bolt is fastened to the assembly product, and may provide the detection result to the control unit 300 .

The temperature inspection device 530 may sense the temperature of the bolt so that the sensor tip 530 is in contact with or adjacent to the bolt, and the spring 535 provides elastic force to the bracket 533 in the vertical direction, so that the sensor Flexibility may be provided so that the tips 530 are not damaged even when they come into contact with bolts. In addition, when the bolt fastening and inspection automation device 1 fastens various types of bolts, the temperature inspection device 530 stably measures the temperature of bolts of various lengths through the sensor tip 530 coupled to the spring 535. can detect

In addition, although the preferred embodiments of the present disclosure have been shown and described above, the present disclosure is not limited to the specific embodiments described above, and the technical field to which the disclosure belongs without departing from the subject matter of the present disclosure claimed in the claims. Of course, various modifications are possible by those skilled in the art, and these modifications should not be individually understood from the technical spirit or perspective of the present disclosure.

1: bolt fastening and inspection automation device 100: first fastening inspection unit
120: first screw fastener 200: second fastening inspection unit
220: second screw fastening 500: high frequency heating device
510: bolt transfer device 530: temperature inspection device

Claims (12)

A cabinet including a work table on which a workpiece is placed and a plurality of frames extending above the work table;
a bolt supply unit provided in the cabinet to supply bolts;
A bolt transfer device for receiving and transferring bolts from the continuous bolt feeder;
a high-frequency heating device receiving and heating the bolt from the bolt transfer device; and
A fastening inspection unit provided on one side of the inside of the cabinet and transporting and fastening the bolts to an assembly product;
The high-frequency heating device,
a bolt support for supporting the bolt;
a sensor for detecting a state of the bolt of the bolt support; and
A coil that is spaced apart from the bolt of the bolt support part and induces heating of the bolt by emitting a high frequency to the bolt,
The sensor,
Bolt fastening and inspection automation device for detecting whether the bolt of the bolt support unit is fastened and the temperature of the bolt of the bolt support unit.
delete According to claim 1,
The sensor,
Detecting the type of bolt of the bolt support,
The high-frequency heating device emits a high frequency under a heating condition corresponding to the type of bolt of the bolt support, bolt fastening and inspection automation device. According to claim 1,
The high-frequency heating device,
A bolt fastening and inspection automation device including a; gas supply device for supplying gas in the direction of the coil. According to claim 1,
The high-frequency heating device,
A bolt fastening and inspection automation device comprising a; cooling device that supplies cooling water to cool the inside. According to claim 1,
The coil has a shape surrounding the bolt support, bolt fastening and inspection automation device. According to claim 6,
The coil has a shape wound at least once or more, bolt fastening and inspection automation device. According to claim 1,
The bolt transfer device,
Bolt support for supporting the bolt; and
A bolt fastening and inspection automation device comprising a; first pressure cylinder for providing pressure to transfer the bolt support in the vertical direction. According to claim 8,
The bolt transfer device,
A bolt fastening and inspection automation device comprising a; second pressure cylinder for providing pressure to transfer the bolt support in the horizontal direction. According to claim 8,
The bolt transfer device,
A bolt fastening and inspection automation device comprising a; second pressure cylinder for providing pressure for vertically inverting the bolt support. According to claim 1,
A bolt fastening and inspection automation device comprising a; temperature inspection device for sensing the temperature of the bolt heated by the high frequency heating device. According to claim 11,
The temperature inspection device,
a sensor tip contacting the bolt to sense a temperature;
a sensor support for supporting the sensor tip; and
A bolt fastening and inspection automation device including a spring that couples the sensor tip and the sensor support and is contractible in a vertical direction.