KR101988018B1 - Spindle thread machining system that can detect the deformation of dice - Google Patents

Abstract

The present invention provides a spindle screw machining system capable of automatically detecting the deformation of a die. According to the present invention, the spindle screw machining system includes: a material transfer member (100) transferring and discharging a rod-shaped material (A); a machining member (200) including a dice unit (210) comprising a support roller (213) and a pressing roller (211) having a forming spiral (211a) on the outer surface to process a thread by pressing the transferred material (A); an image unit (220) monitoring the deformation by photographing the forming spiral (211a) in real time; and a controller (300) driving an alarm (420) to sound an error alarm of the dice in accordance with a monitoring signal of the image unit (220). The image unit (220) includes: a camera (222); and a deformation detecting unit (223) converting a depth map expressed to have brightness in accordance with the distance difference in the image photographed by the camera (222) and outputting a detecting signal to the controller (300) by checking whether an outline (211c) is deformed, wherein the outline (211c) divides a groove (211b) extended to a groove facing the inner side in the converted depth map and a protrusion (211a) extended and protruded between the grooves (211b).

Description

Technical Field [0001] The present invention relates to a spindle thread machining system capable of automatically detecting a deformation of a die,

The present invention relates to a spindle threading system capable of automatically detecting a deformation of a die.

Generally, there are two methods of rolling a worm in a round-bar type material by using a flat type die and a roll type die.

In the method using the roll-type dies, a round bar material is placed between two roll-type dies having corresponding concavo-convex shaped spirals, and then the round bar material is rotated by operating two dice, So that the round bar type material is processed.

Particularly, in the case of rolling a thread having a combination of a left screw and a right screw on the round bar material, a combination dice combining a left screw and a plurality of dice for right screw machining is used, So that the thread is processed.

Here, the forming spirals formed on the surface of the die form threads by machining the outer surface of the round bar type material. Here, when the molding spiral of the die surface is deformed, there is a problem that the round bar material to be processed is wasted.

However, in the past, there has been no device capable of automatically detecting the errors of the molding spirals as described above, and there was a problem that it was inconvenient because the worker directly confirmed it with the naked eye, and the failure occurred frequently because it was not confirmed in time.

Further, the spindle thread can be automated, for example, moving and loading with a rolling roller (dice) as a spindle screw applied to a disc of an automobile brake is a small product. However, the spindle screws used in the shipbuilding industry can not be applied to the spindle thread machining system applied to automobile parts because they are heavy parts having a high weight. Therefore, conventionally, there has been a problem that worker fatigue is high and safety accidents are frequent at a large spindle screw manufacturing site.

Korean Patent Laid-Open No. 10-2018-0107857 (2018.10.04) Korean Patent Registration No. 10-0719500 (2007.05.11)

It is therefore an object of the present invention to provide a spindle threading system capable of automatically checking whether a die is deformed or not, .

In addition, the present invention can automatically detect the movement of the workpiece during the machining of a large spindle thread, automatically detect the deformation of the die, which can remove the processed spindle thread and foreign matter remaining on the die A spindle thread machining system and method therefor.

Therefore, the present invention may include the following embodiments in order to achieve the above object.

An embodiment of the present invention is characterized in that a workpiece carrying member for moving and discharging a round bar material, a machining member having a dicing section composed of a pressing roller and a supporting roller on which a forming screw is formed on the outer surface so as to press the transferred material, And a controller for driving an alarm to emit an error alarm of a die in accordance with a monitoring signal of a video and a video unit to monitor whether or not the molding spiral is captured in real time, A deformation detecting means for detecting a deformation of an outline dividing an inwardly projecting portion between the valleys extending from the depth map to the inside of the converted depth map, Wherein the material conveying member includes a conveying conveyer that extends to the drawing side of the processing member, A pusher for pushing the material placed on the carrier to the inlet side of the processing member, and a pusher for pushing the material placed on the carrier upright on one side of the conveying conveyor, And a plurality of magnets fixed at positions coinciding with the receiving grooves in the carrier, wherein the pusher receives a magnetic sensing signal from the magnetic sensor and presses and moves the material mounted on the carrier A spindle thread forming system capable of automatically detecting a deformation of a die.

Therefore, according to the present invention, the outer surface of the dice is photographed before and / or after the material processing, and the shape of the molding spirals 211a is checked by confirming whether the contour line dividing the areas of the molding spirals is deformed, It is possible to detect and alarm the occurrence of an error, thereby preventing defects.

In addition, the present invention can automatically move, draw, and process the material (A) during machining of a large spindle thread, automatically move foreign materials to the outer surface of the processed spindle thread and die by air, It is possible to reduce manpower and shorten the manufacturing process time.

1 is a block diagram illustrating a spindle threading system capable of automatically sensing deformation of a die according to the present invention.
2 is a perspective view showing a carrier and a pusher;
3 is a partial plan view showing a magnetic panel and a carrier.
4 is a perspective view showing the support chuck and the dice portion.
5 is a front view showing another embodiment of the support chuck.
6 is a block diagram showing the deformation detecting means.
7 is a view showing a simplified illustration of the oil supply part and the polishing part.
8 is a perspective view showing the conveyance supporting portion.
9 is a flowchart showing a control method of a spindle threading system capable of automatically detecting deformation of a die according to the present invention.
10 is a diagram showing a converted image and an outline of dice in the present invention.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It should be understood that the present invention is not intended to be limited to any particular embodiment and that all modifications, equivalents, and alternatives falling within the spirit and scope of the present invention for connecting and / or fixing structures extending in different directions Should be understood as being appropriate.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, the terms "comprises" or "having" and the like refer to the presence of stated features, integers, steps, operations, elements, components, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a spindle thread machining system and a control method thereof capable of automatically detecting a deformation of a die according to the present invention will be described with reference to the accompanying drawings.

1 is a block diagram illustrating a spindle threading system capable of automatically sensing deformation of a die according to the present invention.

1, a spindle threading system capable of automatically detecting a deformation of a die according to the present invention comprises a material conveying member 100 for moving and discharging a round bar material A, And a processing member 200 for monitoring an error, a controller 300 for controlling the processing member 200, and an operation panel 400 for outputting operation commands and alarms.

The controller 300 can control the workpiece conveying member 100, the processing member 200 and the operation panels 400 and 400 according to the operation of the operation panel 400 or an operation switch provided for each device. Here, the controller 300 may be configured to integrally control the material conveying member 100 to the operation panel 400, or to independently control the devices 300 installed on a device-by-device basis.

The operation panel 400 may include a touch-type display 410 and an alarm 420 indicating whether an error has occurred.

The touch-type display 410 is capable of outputting alarm and previous recording information by setting a plurality of switches and menus for ON / OFF command of the apparatus and input of setting information for material processing. In the present invention, identification information is assigned to each component (for example, the pressure roller 211) and the material A, and the operator inputs identification information and setting information for material processing through the touch- Upon input, it is stored in its own storage device by a recording module, which will be described later. The setting information for processing the stored material A may be automatically retrieved at the time of processing the same material A and output to the display 410 later.

The alarm 420 may output a visual alarm using the touch-type display 410 or a separate audible alarm.

The material conveying member 100 includes a conveying conveyor 110 for conveying the material A, a carrier 120 on which the material A is mounted, a pusher 130 for pressing and moving the material A, And a discharge conveyor 140 for discharging the spindle screw processed in the member 200.

The conveying conveyor 110 extends to the draw-in side of the work A of the processing member 200 to convey the round bar-shaped work A. More specifically, the conveying conveyor 110 moves the carrier 120 while rotating a plurality of conveying rollers 111, and is driven by the controller 300 or a separate control device.

The carrier 120 and the pusher 130 are described with reference to FIG. FIG. 2 is a simplified view of the carrier 120 and the pusher 130, and FIG. 3 is a partial plan view of the magnetic panel 133 and the carrier 120. FIG.

2 and 3, the carrier 120 includes a receiving groove 121 forming a concave curved surface that is recessed by a plurality of spaces defined in the upper surface to accommodate the round bar type material A, And a magnet 123 fixed to the one surface 122 at a position coinciding with the center of the receiving groove 121.

A plurality of receiving grooves 121 are continuously formed on the upper surface of the carrier 120. The receiving groove 121 is formed in a concave shape and has a structure in which one side where the pusher 130 is located and the other side where the supporting chuck 230 is located are both opened

The magnets 123 are aligned in at least one of the one side or the opposite side where the pusher 130 is located. And may be installed on one surface 122 facing the magnetic panel 133 so as to coincide with the center of each receiving groove 121.

The pusher 130 includes a workbench, a cylinder 131 installed on the workbench, a pressure bar 132 driven by the cylinder 131, a magnetic sensor 134 for sensing the magnetic 123 at the conveying conveyor 110, (Not shown).

The workbench is installed on one side of the conveying conveyor 110 to support the cylinder 131.

The cylinder 131 is operated by hydraulic pressure or air pressure to move the pressure bar 132 connected to the cylinder 131 in the forward and backward directions. Here, the cylinder 131 can be driven under the control of the controller 300 that has received the sensing signal of the magnetic sensor 134. [ Here, the controller 300 may be a device capable of integrally controlling the processing member 200 and the material conveying member 100, or may be an apparatus independently installed in the material conveying member 100. Hereinafter, the integrated control or independent control technique will be described as a controller 300 that can perform integrated control for convenience of explanation, but the present invention is not limited thereto.

The pressing bar 132 presses the material A accommodated in the receiving groove 121 of the carrier 120 and extends to the supporting chuck 230 of the processing member 200 while extending forward according to the operation of the cylinder 131 .

The magnetic panel 133 may be installed on either side of the carrier 120 or on either side thereof. The magnetic sensor 134 is installed at a distance from the one surface of the magnetic panel 133 so as to sense the magnet 123 installed on one side of the carrier 120.

For example, the magnetic sensors 134 are arranged so that a plurality of the magnetic sensors 134 are spaced apart from each other and aligned with the magnetic panel 133, and the magnetic poles 123 are aligned so that a plurality of the magnets 123 are spaced apart from each other on one side of the carrier 120. Therefore, when the carrier 120 moves to a predetermined position, the magnetic sensor 134 detects the magnet 123. When the carrier 120 is moved again, the magnetic sensor 123 loses contact with the magnet 123, .

The controller 300 stops the conveying conveyor 110 and drives the pusher 130 when the OFF signal is sequentially received from the magnetic sensor 134. After the pusher 130 is returned to the home position, The conveyor 110 can be operated again to move the carrier 120.

The discharge conveyor 140 moves the finished spindle screw in the processing member 200 to the set position.

The processing member 200 includes a support chuck 230 for supporting and fixing the work A to be moved from the carrier 120, a die portion 210 for processing the work A, A feed support part 240 for moving and supporting the material A in the die part 210; an oil supply part 260 for supplying oil to the die part 210; a polishing part 210 for polishing the die part 210 and / And a display unit 220 for detecting an error of the dice unit 210. The display unit 220 may include a display unit 220,

The dice unit 210, the support chuck 230, and the image unit 220 will be described with reference to FIGS. 4 to 6. FIG.

FIG. 4 is a perspective view showing the support chuck 230 and the dice section 210, FIG. 5 is a view schematically showing another embodiment of the support chuck 230, FIG. 6 is a block diagram showing the deformation sensing means 223, .

4 to 6, the support chuck 230 includes a support block fixed to the work table to receive the material A moved from the carrier 120, (Not shown).

The support block 231 is fixed to the work table so that the work A is not disturbed or moved during the process of receiving and moving the support groove 232b. In addition, the support block 231 is installed at the draw-in side where the work A is drawn in the die portion 210.

The inlet port 232 is provided with a support groove 232b which is a concave curved surface so as to coincide with the outer surface of the work A on the upper surface of the support block 231 and a support groove 232b extending upwards And a pair of guide walls 232a.

The support groove 232b receives the material A to which the front, rear and top surfaces are opened and which is moved by the pushing of the pusher 130. Here, the material A is manually pressed by the operator to enter the die part 210 or is slid in the support groove 232b by the pusher 130 of another pusher or the material conveying member 100, As shown in FIG.

The guide wall 232a extends from the upper surface of the support block 231 to a pair of upright walls extending through the support groove 232b. That is, the guide wall 232a serves to guide the material A accommodated in the support groove 232b to be moved to the inlet side of the die unit 210. [

Herein, the support chuck 230 may be provided on the upper surface of the receiving groove 121 so as to prevent the material A from bouncing and / or dislodging during movement or due to the pressing of the dice 210, And an elastic supporting means 233 capable of supporting the elastic member (A). This will be described with reference to FIG.

5, the elastic supporting means 233 includes a pair of supporting pieces 233a spaced apart from each other by the receiving groove 121 on the upper surface of the supporting block 231 or the upper surface of the work table, A rotary bar 233c which extends downward from the horizontal bar 233b and a pressing bar 233b which presses and rotates the outer surface of the material A at the end of the bar 233c, And a rotating roller 233d.

A pair of supports 233a are installed at mutually opposed positions with the receiving groove 121 therebetween. Here, a plurality of screw holes (not shown) may be formed on the supporting table 233a so as to be vertically spaced apart from each other so that the ends of the horizontal bars 233b can be screwed.

Both ends of the horizontal bar 233b are inserted into a support 233a and fixed by a fixing means 233e such as a bolt. That is, the height of the horizontal bar 233b can be adjusted by being selectively fastened to screw holes (not shown) arranged vertically in the support table 233a.

As shown in the drawing, the rotary bar 233c extends downward at both ends of the horizontal bar and is then bent to rotatably support the rotary roller 233d.

Or the rotary bar 233c is fixed to the horizontal bar 233b by a rotary bearing capable of applying a limited angular motion to the outer surface of the horizontal bar 233b and is moved forward and backward , The moving direction of the material (A)).

The rotary roller 233d is rotatably supported by the rotary bar 233c and is rotated while being in close contact with the outer surface of the work A. That is, the rotary roller 233d is rotated along the outer surface of the work A to pressurize the work A so that it does not jump during the movement.

The dice section 210 includes a pressure roller 211 on which the formed spiral 211a is formed, a support roller 213 separated from the pressure roller 211 to support the material A, And a supporting roller driving means 214 for driving the supporting roller 213. The pressing roller driving means 212 drives the pressing roller driving means 212,

The pressing roller 211 is formed with a forming helix (acid) 211a for forming a thread on the outer surface of the material A on the outer surface. In this case, a plurality of the molding spirals 211a are formed in a left-handed or right-handed direction by being spaced apart from each other with a trough 211b interposed therebetween, and the outer surface of the material A positioned between the supporting rollers 213 is formed.

The support roller 213 is spaced apart from the pressure roller 211 to support the work A. Here, the support roller 213 is rotated in one direction by the support roller driving means 214 to support the work A.

The material A is drawn between the pressure roller 211 and the support roller 213 at the support chuck 230 to form a screw thread. Here, the material A is formed while being moved toward the discharge conveyor 140 side by the conveyance support portion 240 between the pressure roller 211 and the support roller 213.

The image portion 220 includes an illumination means 221 for outputting illumination to the outer surface of the pressure roller 211 and a camera 222 for shooting the outer surface of the pressure roller 211 illuminated by the illumination means 221 in real time, And a deformation detecting means 223 for analyzing the image photographed by the camera 222 and detecting whether the forming spirals 211a of the pressing roller 211 are erroneous.

The illuminating means 221 is composed of a plurality of LEDs or fluorescent lamps, and directs the light toward the outer surface of the pressure roller 211 to provide illumination. The illumination of the illumination means 221 is intended to smoothly detect the presence or absence of an error in the photographed image by increasing the illuminance of the outer surface of the pressure roller 211 taken by the camera 222. [

The camera 222 photographs the outer surface of the pressure roller 211 in real time and outputs it to the deformation detecting means 223. [ Here, the photographing of the pressing roller 211 of the camera 222 may be performed in a test section set before the processing, or in real time during or after processing.

In addition, the camera 222 does not photograph the entire outer surface of the pressure roller 211, but can photograph only a fixed area at a fixed number of positions. Alternatively, the single camera 222 can sequentially photograph the outer surface of the pressure roller 211 by dividing the outer surface of the pressure roller 211 into a plurality of regions by adjusting the orientation angle according to the set time period.

The deformation detecting means 223 detects whether the forming spirals 211a of the pressing roller 211 are damaged through the images photographed by the camera 222. [ For this, the deformation detecting means 223 may include the configuration shown in FIG.

6 is a block diagram showing the deformation detecting means 223.

6, the deformation detecting means 223 includes an image transforming module 223a for transforming an image photographed by the camera 222 into a depth map, an extracting section 211c for extracting an outline 211c of the formed spirals 211a from the depth map, A recording module 223c for recording the extraction date and time of extraction of the outline 211c and a detection module 223c for determining whether or not an error has been detected and a determination module 223c for determining whether or not an error has occurred according to the extraction result of the outline extraction module 223b 223d.

The image conversion module 223a converts the photographed image into a depth map. Here, the depth map can be expressed by a close distance from the camera 222 in a close distance.

That is, the image conversion module 223a according to the present invention is installed in a position close to and far from the two-dimensional image or image photographed by the camera 222 to check whether the molding spirals 211a formed on the outer surface of the pressure roller 211 are damaged The depth map is displayed. The image conversion module 223a extracts the depth map, and outputs the depth map as a monochrome image which is expressed as a degree of close and far-off shading. An example of such a monochrome image is shown in Fig.

The outline extraction module 223b extracts the outline 211c of the regions that mean the formed spirals 211a in the monochrome image. Referring to Fig. 10, the formed helix 211a is composed of the projected mountain and the point between the mountain and the mountain. Thus, the black and white hairline extracts an outline 211c between the region of the mountain and the region of the bone. Here, the outlines 211c of FIG. 10 are displayed in a straight line, but they may be formed to be substantially inclined.

The recording module 223c stores the determination result of the determination module 223d, the identification information of the object pressing roller 211, and the captured image related information.

Here, the processing member 200 may be provided with a data storage device, and the storage device may store identification information of the pressure roller 211 input from the operation panel 400, identification information of the deformation-sensed pressure roller 211, (At least one of the material processing start and completion date and time, the part number, and the worker information) of the material A and the setting information (for example, the pressing roller 211 and the supporting roller 213) At least one of a rotation speed and a speed of the polishing brush 251, a rotation speed of the polishing brush 251, a processing time, a rotation speed of the conveyance support portion 240, a rotation speed of the conveyance conveyor 110 and a discharge conveyor 140 Can be stored.

The recording module 223c records the processing information of the material A, the setting information for the material processing and the determination result in the storage device or retrieves the similar information or the matching information and displays it on the display (not shown) of the operation panel 400 410 to reduce the time required for the setting of the material (A) and the information input, and it is possible to monitor whether or not the deformation-detected pressure roller 211 is reused.

The determination module 223d checks the outline 211c extracted by the outline extraction module 223b to determine whether or not it is deformed. For example, if the outline 211c extracted from the black and white image is a boundary point between the valley of the forming helix 211a and the forming helix 211a is deformed or deformed, the outline 211c As the shape is bent or boiled, regions with different colors are expressed as being additionally created. Therefore, the determination module 223d checks whether the shape of the extracted outline 211c is deformed, and determines whether or not it is an error.

The determination result of the determination module 223d is recorded in the storage device by the recording module 223c and output to the controller 300. [ The controller 300 activates the alarm 420 installed on the operation panel 400 according to the determination result of the determination module 223d and controls the operation of the pressure roller 211 driving means and the support roller driving means 214 and other devices Stop operation.

The oil supply unit 260 and the polishing unit 250 will be described with reference to FIG.

7 is a simplified view of the oil supply part 260 and the polishing part 250. As shown in FIG.

7, the oil supply unit 260 includes an oil supply means 262 for supplying oil, an oil discharge means 261 for supplying the oil supplied from the oil supply means 262 to the pressure roller 211, An oil brush 264 fixed to the outer surface of the oil discharge means 261 and a supply pipe 263 extending from the oil supply means 262 to the oil discharge means 261.

The oil supply means 262 may be provided with an oil tank and a pump for generating a supply pressure to the supply pipe 263 connected to the oil tank. The configuration of the oil supply means 262 is generally known in the art, so that the description thereof is omitted.

The oil discharge means 261 is a roller fixed to be rotatable at the lower end of the supply pipe 263 and has a plurality of outlets for discharging oil to the outer surface thereof and a supply valve can be installed to open and close the supply pipe 263 have.

The oil brush 264 is a fiber and paper material capable of absorbing oil, and is installed to surround the outer surface of the oil discharging means 261 to absorb and store the oil discharged from the discharging port of the oil discharging means 261. The oil brush 264 transfers the oil to the surface of the pressure roller 211 with a pressure applied while being in contact with the outer surface of the pressure roller 211. That is, the oil brush 264 absorbs the oil discharged from the oil discharging means 261 and applies the oil to the outer surface of the pressure roller 211.

The oil supply unit 260 for supplying the oil to the dies 210 of the present invention includes an oil discharge unit 261 including a roller rotated in contact with the outer surface of the pressure roller 211, And an oil brush 264 that absorbs oil at the outer surface of the pressure roller 211. The oil brush 264 contacts the outer surface of the pressure roller 211 to transfer the oil to the applied pressure.

Unlike the conventional method of injecting oil into the air from the outside of the pressure roller 211, such an oil supplying method conventionally supplies oil in a state of being in contact with the outer surface of the pressure roller 211, It is expected to be reduced.

The polishing unit 250 includes an abrasive brush 251 for abrading the outer surface of the work A to be thread-formed between the pressurizing roller 211 and the supporting roller 213, a brush driving unit 251 for driving the abrasive brush 251, (252).

The polishing brush 251 is rotated in one direction from the upper side of the work A to be formed between the pressing roller 211 and the supporting roller 213 to polish the outer surface. The polishing brush 251 is provided on the upper side between the pressure roller 211 and the supporting roller 213 as shown in the drawing and is simultaneously formed during the threading of the material A or the material A is moved before and after the processing And the outer surface of the material A can be polished.

The material processing of the polishing unit 250 may be performed in such a manner that the foreign substances generated in the material forming process are discharged in a state of being caught in the thread of the material A or contamination such as foreign substances and marks on the surface can be removed during the manufacturing process It is not necessary to clean the surface of the material (A) by hand as in the conventional method.

The conveying support portion 240 will be described with reference to Figs. 7 and 8. Fig. 8 is a perspective view showing the conveyance support unit 240. FIG.

7 and 8, the conveyance support unit 240 includes a jig conveyor 242 extending between the pressure roller 211 and the support roller 213 to convey and support the material A, a jig conveyor 242 And a transfer jig 241 that is fixed at the workpiece holding portion 241 and rotatably supports the workpiece A. [

A plurality of transfer jigs 241 are fixed to one side of the jig conveyor 242 so as to be spaced apart from each other and support the material A. Here, the transfer jig 241 has an open top surface, and both inner and bottom surfaces form a curved surface to support the outer surface of the material A. The conveying jig 241 may include a jig rotating roller 241a that is laterally rotated on the curved surface to support the material A. [

At least one of the jig rotating rollers 241a may be provided on at least one of a curved bottom surface and both side inner surfaces so that the material A is rotated in accordance with the rotation direction of the pressure roller 211 and the support roller 213 on both sides .

That is, the conveying jig 241 receives and supports the material A drawn from the support chuck 230, and rotatably supports the material A in accordance with the rotation direction of the support roller 213 and the pressure roller 211 .

The jig conveyor 242 extends in one direction between the pressure roller 211 and the support roller 213. Here, the jig conveyor 242 is rotated between the output side of the support chuck 230 and the input side of the discharge conveyor 140. Therefore, the jig conveyor 242 transfers the material A moved by the conveying jig 241 to the discharge conveyor 140.

The present invention further includes a sensor capable of sensing the material A on the transfer jig 241 so that the controller 300 can detect whether the material A is introduced and / or discharged from the transfer jig 241 can do. For example, the sensor may be selected from an optical sensor comprising a light receiving element and a light emitting element, or a piezoelectric sensor outputting a signal according to the weight of the material A.

The present invention includes the above configuration, and the operation of the present invention will be described below.

First, the operator operates the touch-type display 410 of the operation panel 400 to display information of the target material A (for example, identification information of the order customer and / or the material A) and processing information (for example, The diameter of the work A and the depth and width of the forming thread) to retrieve the previous similar setting information or the setting information set in the previous machining operation for the same work A. [

The recording module 223c outputs a result according to the search request, and records and sets information selected from the output information as setting information.

The controller 300 selects the rotation speed of each of the components (for example, the rotation speed of the pressure roller 211 and the support roller 213, the feed speed of the conveyance support portion 240, and the rotation speed of the polishing unit 250) At least one of them). That is, the controller 300 confirms the previous machining information of the same material A and sets it as the setting information for the current machining operation, so that the operator can save time and the like necessary for the setting.

The worker also selects and mounts the pressure roller 211 and the support roller 213 of the dice section 210. At this time, the respective pressure rollers 211 and the support rollers 213 are given identification information set therein. Therefore, when the operator inputs the identification information of the selected pressure roller 211 and the support roller 213, the recording module 223c confirms the previous recording of the pressure roller 211 and the support roller 213 and confirms whether or not it is deformed And outputs the result to the touch-type display 410.

When the setting is completed, the controller 300 actuates the conveying conveyor 110 to move the carrier 120 accommodating the work A to the position of the support chuck 230. When the carrier 120 is positioned at the designated position, the pusher 130 is driven under the control of the controller 300 to press the work A and move it to the support chuck 230.

The work A moved to the support chuck 230 is moved to the conveying jig 241 by the operator or the separate pusher 130. At this time, since the material A is a large-sized rod having a high weight, the operator pushes the workpiece from behind or the pusher 130 presses the rear side of the material A to seat the tip of the material A on the first transfer jig 241 . Thereafter, the jig conveyor 242 is driven so that the transfer jigs 241 sequentially support the interruption and the rear end of the material A. That is, the material A is inserted between the pressing roller 211 and the supporting roller 213 while being supported by a plurality of conveying jigs 241 spaced from each other in the jig conveyor 242.

The material A is fixed between a pair of support rods 233a spaced apart from each other with the support groove 232b interposed therebetween at the time of movement between the pressure roller 211 and the support roller 213 in the support chuck 230 The rollers 233d press and rotate the outer surface of the work A at the end of the rotary bar 233c fixed to be rotatable in the forward and backward directions in the horizontal bar 233b.

The transfer jig 241 rotatably supports the work A on one side of the jig conveyor 242. The controller 300 can confirm whether the material A is received through the sensor provided on the conveying jig 241. When the acceptance of the material A is sensed, the controller 300 controls the jig conveyor 242 and the pressure roller 211 The roller 213, the oil supply unit 260, the polishing unit 250, and the discharge conveyor 140 in sequence.

That is, the pressing roller 211 and the supporting roller 213 press the outer surface of the work A to form a thread, and the polishing brush 251 is rotated to polish the outer surface of the work A, .

The oil supply means 262 supplies the oil to the oil discharge means 261 and the oil discharge means 261 supplies the oil to the outer surface of the pressure roller 211. [ Here, the oil discharge means 261 is a rotatable roller, and a plurality of outlets are formed on the outer surface, and an oil brush 264 for adsorbing the oil discharged from the discharge port is added. Accordingly, the oil is transferred while the oil brush 264 is in contact with the outer surface of the pressure roller 211. [

The processing of the material (A) and the oil supply can be performed simultaneously, and the polishing proceeds after the material processing or simultaneously proceeds. The processed material A is conveyed to the discharge conveyor 140 through the jig conveyor 242.

The spindle threading process according to the present invention is performed in the same manner as described above. The error monitoring of the die may be performed in real time in the material processing process described above, or may be performed in a set interval (for example, a test run interval, Can proceed. Such a dice error monitoring step will be described with reference to Figs. 9 and 10. Fig.

FIG. 9 is a flowchart showing a control method of a spindle threading system capable of error monitoring of a die according to the present invention, and FIG. 10 is a diagram showing a transformation image and an outline 211c of a die in the present invention.

Referring to FIGS. 9 and 10, in the present invention, the dice error monitoring step includes steps S100 of photographing the surface of the pressure roller 211 to generate an image, step S200 of converting the photographed image into a depth map, A step S300 of monitoring the continuity after extracting the outline 211c from the outline 211c and a step S400 of determining whether the outline 211c is deformed and a step S500 of issuing an alarm if the outline 211c is found to be deformed.

In step S100, the deformation detecting unit 223 drives the camera 222 to photograph the surface of the pressure roller 211 to generate an image.

In step S200, the deformation detecting unit 223 converts the image photographed by the camera 222 into a depth map. The image conversion module 223a converts the photographed image by the camera 222 and converts the photographed image into a depth map in which the length difference is expressed at the viewpoint of the camera 222. [ 10, the depth map includes, for example, a mountain 211a forming a forming helix 211a in accordance with a distance from the camera 222, and a trough 211b extending to a groove inward from the mountainside, Are implemented as black and white images having different contrasts.

Step S300 is a step of extracting an outline 211c of the depth map from the deformation sensing means 223 and monitoring the continuity of the depth map. The outline extraction module 223b extracts an outline 211c extending so as to partition between the mountain and the valley. The lattice outline 211c and the mountain and the bone extend in the oblique direction, not vertically extending as shown in Fig. 10, to form a left-handed or right-handed shaped helical thread 211a.

In step S400, the determination module 223d monitors the continuity of the outline 211c extracted by the outline extraction module 223b to determine whether or not deformation has occurred. The determination module 223d monitors the continuity of the outline 211c extracted by the outline extraction module 223b to determine whether or not it is deformed. For example, in the case where the outline 211c is a region displaying an image between the mountain and the crest in the image, when the mountain is crushed or partially cut, the outline 211c may be deformed as shown in FIG. 10B .

Therefore, the judgment module 223d judges whether or not the deformation of the outline 211c as shown in FIG. 10 (b) or the region different from the originally photographed image (region having different shade between the bone and the mountain) is generated.

In step S500, when the deformation of the outline 211c is detected in step S400, an alarm is issued. Here, the determination module 223d outputs the determination result to the controller 300, and the controller 300 drives the alarm 420 to alarm the deformation of the pressure roller 211. [

Such deformation warnings of the dies may be made in real time during the forming process of the spindle screw, or may proceed in the test section before the forming process.

In addition, the recording module 223c checks the identification information of the pressure roller 211 input in the initial setting process, and records whether the pressure roller 211 is damaged. In addition, the recording module 223c installs the pressure roller 211 that is accidentally damaged by an operator in the future, inputs the identification information of the pressure roller 211 during the setting process, and outputs a damage history corresponding to the identification information I can warn you.

As described above, the present invention automates the process of conveying, processing and discharging the material (A) for machining a large spindle thread used in shipbuilding and large plant sites, minimizing the physical force of the worker, Instead, productivity can be improved.

Further, according to the present invention, since the surface of the material (A) is simultaneously polished during the threading process of the material (A), there is no need for a separate process for removing contaminants or foreign substances on the surface after the material is processed, It is possible to prevent defects as a result of checking and warning in real time.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, and that various modifications and changes may be made by those skilled in the art.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, disclosure methods should be considered from an illustrative point of view, not from a restrictive point of view. The scope of the present invention is defined by the appended claims rather than by the foregoing description, and all differences within the scope of equivalents thereof should be construed as being included in the present invention.

100: Material conveying member 110: Conveying conveyor
111: Feed roller 120: Carrier
121: receiving groove 122: side
123: Magnetic 130: Pusher
131: cylinder 132: pressure bar
133: Magnetic panel 134: Magnetic sensor
200: machining member 210:
211: pressure roller 211a: forming spiral
211b: Goal 211c: Outline
212: pressure roller driving means 213: support roller
214: Support roller driving means 220:
221: Lighting means 222: Camera
223: Deformation detection means 223a: Image conversion module
223b: Outline extraction module 223c: Recording module
223d: determination module 230: support chuck
231: support block 232: inlet
232a: guide wall 232b: support groove
233: elastic supporting means 233a:
233b: horizontal bar 233c: rotary bar
233d: rotating roller 233e: fixing means
240: conveying supporting portion 241: conveying jig
241a: jig rotating roller 242: jig conveyor
250: polishing section 251: polishing brush
252: brush driving means 260: oil supply portion
261: Oil discharge means 262: Oil supply means
263: Supply pipe 264: Oil brush
300: controller 400: operation panel
410: display 420: alarm

Claims (8)

A material conveying member (100) for moving and discharging the round bar type material (A);
A processing member (200) having a die part (210) composed of a pressure roller (211) and a supporting roller (213) on which a molded spiral (211a) is formed on the outer surface so as to press the transferred material (A)
An image unit 220 for photographing the molding spiral 211a in real time and monitoring whether the molding spiral 211a is deformed; And
And a controller (300) for driving the alarm (420) to issue an error alarm of the die in accordance with a monitoring signal of the video unit (220)
The video unit 220
A camera 222; And
The depth map is converted into a depth map expressed with a contrast depending on a distance difference in an image photographed by the camera 222, and a trough 211b extending from the converted depth map to the inward trough and a trough extending from the trough 211b And a deformation detecting means (223) for confirming whether or not the contour line (211c) dividing the mountain (211a) is deformed and outputting a detection signal to the controller (300)
The material conveying member 100
A conveying conveyor 110 extending to a leading side of the processing member 200;
A carrier 120 which is provided with a plurality of curved receiving grooves 121 so that the round bar type material A can be mounted on the upper surface thereof and is conveyed through the conveying conveyor;
A pusher 130 for pushing the work A mounted on the carrier 120 and moving the work A to the drawing side of the processing member 200;
A magnetic sensor 134 installed on the magnetic panel 133 erected on one side of the conveying conveyor 110; And
And a plurality of magnets (123) fixed at positions coinciding with the receiving grooves (121) in the carrier (120)
The pusher (130)
Wherein the magnetic sensor (134) presses and moves the work (A) mounted on the carrier (120) when a detection signal of the magnetic (123) is received.
delete [2] The apparatus according to claim 1,
A jig conveyor 242 that extends and rotates between the pressure roller 211 and the support roller 213 and a conveying jig 241 that is spaced apart from the upper surface of the jig conveyor 242 to rotatably support the material A A conveying support unit having a conveying unit;
A support chuck for receiving the material A pressed from the pusher 130 and delivering the material A to the transfer jig 241 between the pressure roller 211 and the support roller 213;
A polishing section 250 having an abrasive brush 251 for abrading the outer surface of the work A mounted on the transfer jig and moved; And
A roller 261 which is rotated in contact with the outer surface of the pressure roller 211 and has a discharge port for discharging the oil supplied from the outer surface through the supply pipe 263 and an oil absorbable material A, And an oil supply portion (260) provided with an oil brush (264) installed therein to automatically detect a deformation of the die.
The apparatus of claim 3, wherein the support chuck (230)
A support block 231 fixed to the upper surface of the work table;
A support groove 232b extending inward from the upper surface of the support block 231 and having front and rear surfaces opened to allow the work A to be drawn in and drawn out and a guide wall 232b And an inlet (232) having a wall (232a) for guiding the material (A) to the transfer jig.
[4] The apparatus according to claim 4,
And an elastic supporting means (233) for supporting the upper surface of the work (A) by pressing and guiding the upper surface of the work (A) above the support groove (232b) so as to prevent jumping or departing from the spindle threading system .
6. The device according to claim 5, wherein the elastic support means (233)
A pair of support bars 233a which are erected so as to face each other with the support groove 232b therebetween;
A horizontal bar 233b having an end fixed to the both side supports 233a so as to be detachable and extending horizontally from the upper side of the support groove 232b;
A rotation bar 233c rotatably coupled to extend downward within a range of angles set by the horizontal bar 233b;
And a rotary roller (233d) for pressing and rotating the outer surface of the work (A) at the end of the rotary bar (233c).
The conveying jig (241) according to claim 3, wherein the conveying jig
Further comprising a jig rotating roller (241a) which supports the outer surface of the material (A) with its top surface being open and both inner surfaces and bottom surfaces being curved surfaces, and which is rotatably fixed on the curved surface to support the material (A) A spindle threading system that can automatically detect deformation of the spindle.
6. The device according to claim 5, wherein the elastic support means (233)
A pair of support bars 233a which are erected so as to face each other with the support groove 232b therebetween;
A horizontal bar 233b having an end fixed to the both side supports 233a so as to be detachable and extending horizontally from the upper side of the support groove 232b;
A rotation bar 233c extending downward from the horizontal bar 233b;
And a rotary roller (233d) for pressing and rotating the outer surface of the work (A) at the end of the rotary bar (233c).

Images