WO2004113136A1 - Method for supporting motor vehicle repair - Google Patents

Abstract

A technique supports sheet metal processing and repair of damage to an exterior panel of a motor vehicle. The technique includes a step of calculating by a computer a size of damage of a damaged portion of the motor vehicle exterior panel, the size of damage being calculated as a volumetric value, and a step of calculating points where portions of the panel are to be pulled out according to the size of damage. Work quantity required for repairing a damaged portion of an exterior panel of a motor vehicle can be calculated more precisely.

Description

 Support method for vehicle repair

 The present invention relates to a vehicle repair support method, a vehicle repair support program, and a vehicle repair support system that support sheet metal repair for damage to a vehicle outer panel.

 Light

 Background technology

 Conventionally, dents in the outer panel of automobiles have been repaired by hitting the panel with a hammer or the like from the back of the damaged part, or by using copper washers on the surface of the damaged part. There is known a drawer repair method for correcting the panel by welding the pusher pins outward with a tool, and then pulling the pusher pins outward with a tool.

 In the drawer repair method described above, for example, after the coating film of the damaged portion is peeled off, a number of washers are electrically welded to the surface of the damaged portion with a washer implanter, and a tip of a slide hammer is attached to the implanted washer. The hook is hooked, and the slide hammer is used to pull out the panel at the spot where the pusher is implanted.

 However, in this drawer repair method, the setting of the drawer location (the welded spot of the pusher) was performed based on the empirical rules of the workers. In other words, due to the difference in the experience of each worker, the number of crushed seeders differs for each worker for the same damage.

 For this reason, it was difficult for all workers to set the most suitable drawer location for repair. In particular, for inexperienced workers, it is very difficult to set the drawer location, and the number of ashed plants in the dishwasher tends to be too large, leading to an increase in working time.

In a normal drawer repair, the center of the dent at the damaged part (the most dent part) is pulled out first, and then the other part (the end of the dent) is pulled out and repaired. If the part is pulled out first, the center may rise when the end of the dent is pulled out later. This is a phenomenon that occurred because the previously performed withdrawal work at the center of the damaged part was excessive, but it was difficult to adjust the amount of withdrawal work at the center of the damaged part, and as a result, the number of correction work increased Was to come.

 In addition, it is necessary to peel off the paint at the damaged area as a pre-drawing work, but this paint peeling tends to be performed widely. This is because it is very troublesome to remove the paint film again when it is determined that the paint film needs to be peeled off when the paint film peeling operation is completed and the drawing operation is started. This is because the film is widely peeled off.

 However, if the film is peeled widely, the peeling operation itself will take more time than necessary, and the restoration of the peeled panel surface will require spending time for restoring materials such as putty and paint and repair time. I will.

 In repairing damaged parts as described above, there was a problem that even if the damage was the same, the materials used, work time, and work area differed depending on the skill level of the workers.

 In other words, even if the degree of damage is similar, if repairs are performed by skilled workers, repairs can be made to the minimum necessary in terms of materials used, working time and work area, while repairs If repairs are made by workers who are not used to the work, the materials used, work time, and work area all increase compared to the former. In addition, for example, when calculating the repair cost, a part of the work was conventionally calculated based on the work area.However, even if the damage area is small due to the degree of damage, it can not always be said that the work is small. is there.

 For example, comparing the case where the damage area is large and the damage depth is shallow as shown in Fig. 16 and the case where the damage area is small and the damage depth is deep as shown in Fig. 17 Although the damage area is large, the depth of the outer panel is small because the depth of the damage is shallow. However, the latter has a smaller damage area than the former, but the depth of damage is much deeper than the former, so the amount of panel withdrawal is greater than the former.

 If this damaged area was used as a basis for determining the amount of work, the amount of work could not be accurately calculated.

Accordingly, the present invention has been made in view of the above-mentioned matters, and has been made in consideration of the above problem. It is an object of the present invention to provide a vehicle repair support method, a vehicle repair support program, and a vehicle repair support system that enable even an inexperienced worker to easily and reliably repair a damaged portion in a tunnel.

 Another object of the present invention is to provide a vehicle repair support method, a vehicle repair support program, and a vehicle repair support system that can repair damage formed on an outer panel of a vehicle at low cost. .

 Further, the present invention provides a vehicle repair support method, a vehicle repair support program, and a vehicle repair support system that can more accurately calculate the amount of work required for repairing a damaged portion of a vehicle outer panel. With the goal.

 In addition, another object of the present invention is to provide a vehicle repair support method, a vehicle repair support program, and a vehicle repair support system that minimize variations in the amount of work due to the technical proficiency of workers. And Disclosure of the invention

 The present invention is a method for assisting repair of a panel damage of a vehicle body, comprising: (a) inputting an amount of damage at a damaged portion of the panel; and (b) determining a center of the damaged portion based on the input amount of damage. And calculating a draw point at which the panel should be drawn from outside to outside.

 Further, the present invention is characterized in that a computer calculates a damage amount at a damaged portion based on a damage depth obtained by measuring each measurement point arranged at predetermined intervals on a surface of the vehicle body panel at the damaged portion. And

 It should be noted that a more strict amount of damage can be obtained by setting the volume of the recessed portion at the damaged portion as the amount of damage.

 As a result, when the damage amount is assumed to be the damage area, the damage amount with a large damage area is more accurately calculated without being confused by the short-circuit judgment that the work amount is larger than the damage with a small damage area. Can be calculated.

 For example, a damage with a small damage area but a large damage depth can be accurately determined when the damage amount is larger than a damage with a large damage area and a shallow damage depth.

In the method of calculating the amount of damage according to the present invention, a damaged part is used as a measurement point. For example, a method of classifying each three-dimensional block based on the three-dimensional block and calculating the damage amount of the damaged portion from the volume of each three-dimensional block can be exemplified.

 According to this calculation method, in order to divide the dent portion of the damaged portion into a three-dimensional block shape, the size of the three-dimensional block to be divided is reduced, that is, the number of measurement points is increased, and the division corresponding to each measurement point is performed. Becomes finer, and a more accurate damage amount can be obtained.

 Further, it is preferable that the measurement points in the present invention are arranged on a coordinate system defined at a damaged portion of the vehicle body panel.

 Assuming that this coordinate system is a three-dimensional coordinate system, the damage area captured in two-dimensional plane coordinates is multiplied by the coordinates perpendicular to the two-dimensional plane coordinates, that is, the damage depth is multiplied by the volume of the damage amount at the damaged part. Can be sought.

 It is also possible to first divide the damaged part into three-dimensional blocks and measure the depth of the damaged part using the center of the three-dimensional block as a measurement point.

 Further, in the present invention, the draw-out points calculated in the step (b) are arranged in the order of operation according to the amount of damage and the shape of the damaged portion.

 Further, the present invention includes the step of (c) printing a drawer point on a dedicated sheet for repairing a vehicle panel.

 In this way, the dedicated sheet printed with the drawer points arranged in the working order is superimposed on the damaged portion and the drawer work is performed, so that even a technician with little working experience can easily and accurately repair the vehicle panel. Can be done.

 Further, the present invention is characterized by including a step of (d) calculating a repair work time of the vehicle body based on the damage amount, which is executed by a computer. This step (d) consists of (b) a step of counting the points marked by the step ((e) step) and a repair work at the damaged part by multiplying the counted points by a predetermined time per point unit. Calculating the time (step (f)).

That is, the step (d) in the present invention is a step of calculating the repair work time based on the number of withdrawal points calculated based on the damage amount. In this process, it is necessary to determine in advance the working time required for each withdrawal point, for example, the time required to withdraw one withdrawal point is 30 seconds. is there.

 The repair work time also includes the time required to prepare for the work. The time required for this preparation includes the time required to install the device for performing the withdrawal operation at the damaged portion and the time required for removing the coating film at the damaged portion before performing the withdrawal operation. It is preferable to set these times in advance, but it is necessary to change them according to the degree of damage, the damaged area, and the damaged volume.

 Further, the present invention preferably includes a step of (g) calculating a repair work cost of the vehicle body based on the amount of damage performed by the computer. The step (g) includes a step (step (h)) of multiplying the points counted in the step (e) by a predetermined amount per point to calculate a processing operation cost at the damaged portion.

 That is, the step (g) in the present invention is a step of calculating the cost for repair based on the number of withdrawal points calculated based on the damage amount. In this process, as in the case of the above-mentioned repair work time, for example, the repair cost per drawer point is 100,000 yen per one drawer point. It is necessary to set the cost.

 It is more preferable that the repair work time and repair cost per point be set differently depending on the damage site and the degree of damage.

 In this way, the withdrawal points can be calculated, and the time and cost related to repair can be calculated.Therefore, the repair work time and repair cost that have been left to the intuition and experience of the workers have been determined. Can be reduced.

 The present invention is also a method for assisting repair of panel damage of a vehicle body, comprising: (i) a step of measuring an amount of damage at a damaged portion of the panel; Determining a withdrawal point at which the panel is to be withdrawn outwardly.

 Further, in the vehicle repair support method of the present invention, it is possible to insert (k) a step of peeling off the coating film at each point between the steps (i) and (j).

Further, the present invention is also a program for assisting repair of a panel damage of a vehicle body, comprising: Calculating a draw point for pulling out the panel from the center of the damaged portion to the outside based on the input damage amount. Further, the present invention is also a system for assisting repair of a panel damage of a vehicle body, comprising: an input means for measuring a volume value of a dent portion at a damaged portion of a panel; And a calculating means for determining a drawer point from which the panel should be drawn.

 According to the present invention, there is provided a vehicle repair support method, a vehicle repair support program, and a vehicle repair support system that enable even an inexperienced worker to easily and reliably repair a damaged portion on a vehicle outer panel. Can be provided.

 Further, the present invention can provide a vehicle repair support method, a vehicle repair support program, and a vehicle repair support system which can repair damage formed on a vehicle outer panel at low cost.

 Further, according to the present invention, there is provided a vehicle repair support method, a vehicle repair support program, and a vehicle repair support system capable of more accurately calculating the amount of work required for repairing a damaged portion of a vehicle outer panel. Can be provided.

 In addition, according to the present invention, there is provided a vehicle repair support method, a vehicle repair support program, and a vehicle repair support system for minimizing a variation in the amount of work due to the skill of a worker. be able to. BRIEF DESCRIPTION OF THE FIGURES

 FIG. 1 is a schematic configuration diagram of a sheet metal repair support device according to a first embodiment of the present invention. FIG. 2 is a partial cross-sectional view of the drawer according to the first embodiment.

 FIG. 3 is a top view of the drawer according to the first embodiment.

 FIG. 4 is a plan view of the support rack according to the first embodiment.

 FIG. 5 is a partial cross-sectional view for explaining the structures of the support legs and the base frame according to the first embodiment.

 FIG. 6 is a diagram showing the position of the distance measuring device according to the first embodiment.

FIG. 7 is a flowchart showing a series of work steps involved in sheet metal repair in the first embodiment. FIG. 8 is a diagram showing damaged portions to be repaired.

 FIG. 9 is a diagram ′ showing a drawing order in the first embodiment.

 FIG. 10 is a flowchart showing the processing steps of the damage amount measurement program in the first embodiment.

 FIG. 11 is a diagram showing a three-dimensional image of a damaged part in the first embodiment. FIG. 12 is a diagram showing image data of a withdrawal point in the first embodiment.

 FIG. 13 is a diagram illustrating a state in which a drawer operation is performed using the second blur of the drawer device according to the first embodiment.

 FIG. 14 is a diagram showing a state in which the first blur of the drawer of the first embodiment is pulled up. '

 FIG. 15 is a diagram showing the order of the withdrawal work in the first embodiment.

 Figure 16 is a cross-sectional view of a damaged part having a large damaged area and a shallow depth.

 FIG. 17 is a cross-sectional view of a damaged portion having a small damaged area and a deep damaged depth.

 FIG. 18 is a diagram showing a door panel of a vehicle body to be repaired by a repair work. FIG. 19 is a view showing a sheet (corresponding to a circular damage) used for repair work in the first embodiment.

 FIG. 20 is a diagram showing a state in which predetermined drawer points are printed on a sheet according to the second embodiment of the present invention.

 FIG. 21 is a diagram showing a sheet (corresponding to square damage) used for repair work in another embodiment.

 FIG. 22 is a view showing a sheet (corresponding to an oval-shaped damage) used for repair work in another embodiment.

 FIG. 23 is a diagram showing a state in which a sheet used for repair work in the second embodiment is fixed on the damage.

 FIG. 24 is an overall perspective view showing a drawer device according to the second embodiment.

 FIG. 25 is a perspective view showing a main part of a drawer device according to the second embodiment.

 FIG. 26 is a perspective view illustrating a main part of the drawer device according to the second embodiment.

FIG. 27 is a diagram for explaining a pull-out operation in the second embodiment. BEST MODE FOR CARRYING OUT THE INVENTION

 Hereinafter, a preferred embodiment of a vehicle repair support method according to the present invention will be described with reference to the drawings. The embodiment described below is merely an embodiment of the present invention, and details thereof can be variously changed without departing from the gist of the claims.

 <First embodiment> ''

 The vehicle repair support method according to the present embodiment is a method for supporting the repair of damage made on the vehicle body panel surface 101 as shown in FIG. The support method includes a step of measuring a damage amount of a damaged portion formed on an outer panel of a vehicle body, a step of calculating a drawer point based on the damage amount, and calculating a work amount based on the drawer point. Process, pulling out the drawer point, putting on the damaged part after pulling out, forming a primer / fuser layer on the puttyed portion, and finishing overcoating process And

 First, prior to the description of each process, a sheet metal repair support device 1 used in the vehicle repair support method according to the present embodiment will be described.

 As shown in FIG. 1, the sheet metal repair support device 1 includes a drawer 2 that pulls out a dent at a damaged portion, a control device 6 that controls the drawer 2, and a support rack 5 that supports these devices. It is composed of

 First, the structure of the drawer 2 will be described. As shown in FIG. 2, the drawer 2 in the present embodiment has a first blur 20 and a second blur 130 as main components. The first bra 20 includes a suction pad 21 for holding (fixing) a damaged portion within a predetermined range, a first slide rod 22 having the suction pad 21 at a lower end, and a first slide rod 2. And a first elevating device 23 for supporting the elevating device 2 freely.

 Further, the suction pad 21 is formed in a ring shape, and can strongly hold a damaged portion within a predetermined range using a negative pressure of a negative pressure generator (not shown) as a suction force.

Further, as shown in FIG. 3, the first elevating device 23 is fixed to the upper part of the blur bracket 24 shown in FIG. 2 while being fitted to the first slide rod 22. A reduction motor 23 b fixed to the first lifting device main body 23 a and a rotation angle sensor 23 c for detecting the rotation angle of the reduction motor 23 b. The rotation of the first slide rod 22 relative to the blur bracket 24 is transmitted by transmitting the rotational force of the reduction gear 23 b to the rack gear 22 a formed on the outer surface of the first slide rod 22. Making it possible.

 On the other hand, as shown in FIG. 2, the second blur 30 includes a second slide rod 31 accommodated in the first slide rod 22 and a suction pad 2 provided at a lower end of the second slide rod 31. An electrodeposited tip holder 32 that locally holds (fixes) the further inside of the damaged portion held by 1 and a second that holds the second slide rod 31 vertically with respect to the first slide rod 22 Lifting device 33 is provided.

 The electrodeposited tip holder 32 includes a positively charged holder body 32 a and an electrodeposited tip 32 b (implanted member) embedded at the tip of the holder body 32 a. Then, the lower end of the second slide rod 31 is fixed to the damaged portion by implanting the electrodeposited tip 32b into the damaged portion charged to the negative side.

 Further, as shown in FIG. 3, the second lifting device 33 is supported by the second lifting device main body 3 3a connected to the upper end face of the first slide rod 22 and the second lifting device main body 33a. A reduction motor 34 a and a rotation angle sensor 33 c for detecting the rotation angle of the reduction motor 34 a are provided, and a reduction motor 34 a is formed on a rack gear 34 b formed on the side of the second slide rod 31. The second slide rod 31 can be moved up and down with respect to the first slide rod 22 by transmitting the rotational force of the first slide rod 22.

 As shown in FIG. 2, the second lifting device main body 3 3a and the upper end surface of the first slide rod 22 are mainly composed of a reduction motor 34a supported on the second lifting device main body 33a side. They are connected via a rotating mechanism 34 as a component.

 The rotating mechanism 34 is for releasing the fixed state between the electrodeposited tip holder 32 and the damaged portion. When the fixed state is to be released, the rotation of the reduction motor 34a is controlled by the first slide. The fixed state is released by transmitting the power to the rack gear 34 b formed on the outer peripheral surface of the rod 22 and twisting the entire second lifting device 33 together with the second slide rod 31 in the circumferential direction of the first slide rod 22.

 Further, the drawer 2 in the present embodiment is provided with a distance measuring device 71 for measuring a distance from a damaged portion to a damage restoration position.

Incidentally, the distance measuring device 71 has a distance to the object to be measured based on the reflection time of the ultrasonic wave. An ultrasonic ranging sensor that measures the separation, that is, the damage depth, is employed. Further, a contact sensor may be used for the distance measuring device 71. If a contact sensor is used, move the contact sensor from the reference position to the measurement target, contact the measurement target, and measure the damage depth based on the distance traveled by the sensor.

 As shown in FIG. 2, the distance measuring device 71 (ultrasonic distance measuring sensor) absorbs the first blur 20 through a stay 71 a hanging down from one side of the bracket 24. It is supported near the attachment pad 21. That is, the distance measuring device 71 (ultrasonic distance measuring sensor) moves integrally with the blur bracket 24 and measures the damage depth at each of the damaged portions. The damage depth is the distance from the undamaged normal body panel surface to the inner bottom of the damaged area. When measuring the damage depth, it is necessary to consider in advance the distance from the distance measuring device 71 to the vehicle body panel surface in a normal state.

 For example, in order to fix the suction pad 21 of the drawer to the damaged portion 100, as shown in FIG. 4, the drawer 2 is attached to a support rack 5 described later, so that the drawer 2 is damaged. In order to fix it to the place, the support rack 5 must be attached together.

 At this time, as shown in FIG. 6, the support legs 52 (see FIG. 4) for supporting the entire support rack 5 are fixed to the undamaged vehicle body panel surface (the vehicle body panel surface d outside the damaged portion).

 The support leg 52 is provided with a suction pad 52c for fixing the support rack 5 to the vehicle body panel surface d using negative pressure as a suction force. That is, the vehicle body panel surface to which the suction pad 52c is fixed is a vehicle body panel surface in a normal state when the damage depth is measured.

 Then, if the suction pad 52c and the distance measuring device 71 are provided at the same height, the distance from the vehicle body panel in a normal state to the damage bottom 100a, that is, the damage depth is directly measured. However, as shown in FIG. 6, the distance measuring device 71 in the present embodiment is mounted at a position higher than the suction pad 52c.

Therefore, when the damage depth is measured by the distance measuring device 71 from the position where the distance measuring device 71 is provided, the measured value (B) shows that the distance from the distance measuring device 71 to the vehicle body panel in a normal state is obtained. Distance (A) is also included.

 In other words, the damage depth is the difference between the measured value (B) of the distance to the inner bottom 100a of the damage and the value (A) of the distance from the distance measuring device 71 to the body panel position in the normal state. Will be.

 In addition, since the distance from the distance measuring device 71 to the virtual normal vehicle body panel changes with the adjustment amount of the support leg height (leg length), the adjustment amount of the support leg height is measured by the distance measurement device. It is preferable to reflect the estimated distance from 71 to the vehicle body panel in a normal state (add a function to correct the position of the distance measuring device 71 to zero).

 With such a configuration, when the body panel surface is curved, the height of the support leg 52 is adjusted, and even if the height of the distance measuring device 71 changes accordingly, the support leg 5 Subtract the height adjusted by 2 from the measurement result measured by the distance measuring device 7 1

By doing so (or adding), it is possible to obtain the damage depth measured from the virtual normal vehicle body panel to the bottom of the damage.

 In addition, if the damaged vehicle body panel is a symmetrical door panel such as a door panel, and this damaged part is to be repaired, the support panel shall be attached to the undamaged door panel at the position corresponding to the damaged part. 2 is fixed, and the height of the supporting leg 52, the height position at each measurement point of the distance measuring device 71 and the distance to the door panel are stored in the RAM 63 in the control device 6 shown in FIG. It is also possible to adopt a configuration in which this is done.

 Then, when the support legs 52 are fixed to the door panel on the side where the damaged part is located, the difference between the undamaged body panel (normal body body panel surface) and the damaged body panel is calculated. The depth of damage can be determined.

 Next, the support rack 5 that supports the drawer 2 will be described together with the bracket 24.

 As shown in FIG. 4, the support rack 5 in the present embodiment includes a base frame 51 formed in a square frame shape, a plurality of support legs 52 supported by the base frame 51, and a base frame 51. And a bra frame 53 supporting a blur bracket 24 serving as a support of the drawer 2.

As shown in FIG. 5, this basic frame 51 has two C-shaped channels 5 1 a 5 After connecting 1b on the back side, the frame is constructed in a rectangular frame.

 Guide rails 51 c are formed on the inner and outer peripheral sides of the base frame 51 by openings of the channels 51 a and 51 b. Of the guide rails 51c, the guide rails 51c formed on the outer peripheral side of the base frame 51 shown in Fig. 4 have support legs 52 via support leg brackets 52a. The first movable device 54 shown in FIG.

 The support leg 52 is easily detachable from the support leg bracket 52a, and the mounting position thereof can be arbitrarily changed by an operator. In addition, as shown in FIG. 5, the support leg 52 is provided with an adjuster 52 b for varying the length of the support leg 52. Therefore, the height and the inclination angle of the base frame 51 with respect to the panel surface of the vehicle can be set by adjusting the age 52b.

 Further, in the present embodiment, as shown in FIG. 5, a suction pad 21 is provided at the lower end of the support leg 52. Therefore, similarly to the first blur 20 described above, the support leg 52 is firmly fixed to the panel surface of the vehicle using the negative pressure of the negative pressure device (not shown) as the suction force.

 Further, as shown in FIG. 4, the first moving device 54 includes a pulley 54 a and a rotation angle sensor 54 d at one end of the frame located on the long side of the base frame 51, and a second end at the other end. A stepper motor 54b is provided. Further, the plastic frame 53 (plastic frame bracket 53a) is fixed to a belt 54c stretched between a pulley 54a and a stepper motor 54b.

 Therefore, when the stepper motor 54b is actuated, the belt 54c rotates, and with the rotation, the blur frame 53 moves in the long side direction of the base frame 51 (the X direction in FIG. 4).

 The rotation angle sensor 54d is provided on the rotation shaft of the pulley 54a. If the rotation angle of the pulley 54a is detected when the blur frame 53 moves, the movement amount of the blur frame 53 is grasped. be able to.

Further, when the output of the rotation angle sensor 54 d is fed back when the plastic frame 53 is moved, the bra frame 53 can be moved to a desired position. On the other hand, of the guide rails 51c formed on the inner peripheral side of the base frame 51, the guide rail 51c located on the short side thereof includes the brackets 53a for each frame and the guide rails for the blur bracket. The drawing device 2 attached to 53 b is slidably provided by the second moving device 55.

 Also, as shown in FIG. 4, the second moving device 55 is provided with a pulley 55a and a rotation angle sensor 55d at one end of the blur frame 53 and a stepper motor 55d at the other end, similarly to the first moving device 54. b is provided.

 The pull-out device 2 is fixed to a belt 55c stretched between a pulley 55a and a stepper motor 55b. Then, when the stepper motor 55b is operated, the belt 55c rotates, and with the rotation, the drawer 2 moves in the direction of the short side of the base frame 51 (Y direction in FIG. 4).

 Further, the rotation angle sensor 55d is provided on the rotation shaft of the pulley 55a, and can detect the amount of movement of the drawing device 2. The above is the configuration of the support rack 5 that supports the drawer 2.

 As shown in FIG. 1, the above-described drawer 2 and support rack 5 are connected to a controller 6. That is, the control device 6 controls the drawing device 2, the distance measuring device 71 (see FIG. 2), and the support rack 5. Next, the control device 6 will be described.

 As shown in FIG. 1, the control device 6 in the present embodiment includes a ROM (Read Only Memory) 62 and a RAM (Random Access Memory) connected to each other by a bidirectional bus. ) 63, CPU (central processing unit) 64, control device 6 with input port 65, output port 66, etc. as main components, and display 67 for peripheral devices to display various data to workers, various data And a control panel 68 for inputting various data and the like into the control device 6.

 Further, in the ROM 62, various control programs required for controlling the drawer 2 and the support rack 5 are recorded.

The control programs stored in the ROM 62 can be broadly divided into programs for repairing damaged parts and programs for calculating the amount of work required for repairing damaged parts. It is roughly divided into lamb.

 The program for repairing this damaged part includes a program that automatically controls the movement (movement) of the various devices shown in Fig. 2 (drawer 2, support rack 5, distance measuring device 71), and the amount of damage at the damaged part. There is a program that measures

 In addition, programs for calculating the amount of work include a program for calculating the volume of the dent portion of the damaged portion based on data measured by the distance measuring device 71, and a repair based on the amount of damage calculated by this program. There is a program to calculate the cost and time required for this. Note that these programs will be described later.

 In the ROM 62, dimension data of the vehicle body frame in the normal state of various vehicles may be stored. If the dimension data of the body frame in the normal state is stored, the step of measuring the distance from the distance measuring device 71 to the body panel surface in the normal state, which is performed when determining the damage depth, can be omitted. That is, the damage depth is obtained by extracting appropriate dimensional data of the vehicle frame from the ROM and subtracting the dimensional data from the value up to the inner bottom 100a measured by the distance measuring device.

 Further, the input port 65 receives detection signals from the rotation angle sensors 23 c and 33 c provided in the first lifting device 23 and the second lifting device 33, the first moving device 54 and the second Detection signals from the rotation angle sensors 54 d and 55 d provided in the moving device 55 and signals of measurement data from the distance measuring device 71 are input. Then, the CPU 64 and the RAM 63 feed pack the various output signals input to the input port 65, and transmit control signals (control instructions) required by the drawer 2 and the support rack 5 at an appropriate time. Output to output port 6 6 at the timing.

 The above is the configuration of the sheet metal repair support device 1 in the present embodiment. Next, each working process of the vehicle repair support method according to the present embodiment will be described based on the configuration of the sheet metal repair support device 1.

 <Damage amount measurement process>

 First, the process of measuring the amount of damage at a damaged portion will be described with reference to a flowchart shown in FIG.

First, the operator measures the approximate damaged area of the damaged area 100 formed on the vehicle body panel surface 101 as shown in Fig. 18 using a measure or a caliper, and controls it. The value is input from panel 68 (S100).

 Then, as shown in FIG. 4, the above-mentioned support rack 5 is fixed on the damaged portion to be repaired (step 101). In this process, the operator determines the position of the support leg 52, and fixes the support leg 52 near the damaged portion, whereby the support rack 5 is supported on the damaged portion.

 When installing the support legs 52, the operator adjusts the distance between the support legs 52 so that the support legs 52 are arranged with good balance around the damaged part. In addition, the mounting angle of the support rack 5 is adjusted by operating the adjustable bracket 52 b of each support leg 52 so that the support rack 5 and the damaged portion are as parallel as possible.

 Here, the reason for adjusting the spacing between the support legs 52 is to ensure the stability of the support rack 5 and to prevent the stress caused by the work of pulling out the dent of the damaged part from spreading outside the damaged part. And the like. In other words, if the support legs 52 are arranged in a well-balanced manner around the damaged area, the work of pulling out the dent portion of the damaged area will be performed with the periphery of the damaged area as a fulcrum. Can be prevented.

 Subsequently, the drawer 2 is set at a position which is a base end of the automatic control of the drawer 2 by various control programs and the automatic control of the support rack 5 (S102). . As shown in FIGS. 8 and 9, the base point here corresponds to the regular panel surface at one corner T around the damaged point, and the drawer 2 and the support rack 5 start from the base point. Start repair work within the damage range.

 When moving the drawer 2 to its base point, the operator himself operates the control panel 68 provided on the control device 6 to move the drawer 2 to a corner T around the damaged point 100 at the base point. Move to

 Then, the drawer 2 is moved to a corner around the damaged portion, and an instruction to measure the amount of damage is input by the operator via the control panel 68 (S103), and the controller 6 A program for measuring the amount of damage at the damaged portion shown in FIG. 10 is executed (S104).

This program ends when the measurement is completed within the range of the damage area input in step 100 (S105). Here, the processing content and processing procedure of the program for measuring the damage amount will be described based on the flowchart shown in FIG. First, the program for measuring the damage amount follows the damage dimension (range) entered in step 100, including the corner T around the damaged part to become the base point as shown in Fig. 9. A plane coordinate system is set on the damaged portion 100, and the damaged portion 100 is divided into a plurality of regions (S200). ,

 Subsequently, the distance to the regular position on the vehicle body panel surface at the base point T is measured by the distance measuring device 71 shown in FIG. 6 (S201). And the measured value is recorded on RAM63. As a result, the height of a reference plane (regular position on the vehicle body panel surface) serving as a reference for various controls is set in the control device 6 main body (S202).

 Next, as shown in FIG. 9, the control device 6 moves the distance measuring device 71 to another region T1 adjacent to the corner T around the damaged portion 100 (S203). Ultrasound is irradiated to the damaged part in the area T1, and the damage depth is measured (S204).

 In detail, as shown in Fig. 9, a plane coordinate system (X axis, y axis) is set on the surface of the damaged part 100. Then, the distance measuring device 71 superimposes a point (hereinafter, referred to as a measurement point) on the plane coordinate system where the X axis and the y axis intersect at a predetermined interval (forming an area T1). Irradiate sound waves and measure the depth of damage. Here, the damage depth indicates a distance from a measurement point on the plane coordinate system to a direction of a three-dimensional coordinate axis (z axis) provided in a direction perpendicular to the plane coordinate system.

 It is assumed that the distance from the distance measuring device 71 to the plane coordinate system (the distance from the vehicle panel surface in a normal state) is considered in advance.

 There are various principles of measuring the depth of damage by ultrasonic waves. For example, the depth of the damage may be calculated from the time when the irradiated ultrasonic wave reaches the damaged part, is reflected and returns, or the damage depth is calculated from the properties (frequency and phase) of the reflected wave. good.

 In addition, in this process, since the damage depth is determined by ultrasonic waves, the damage depth can be accurately measured without any trouble even if the internal shape of the damaged part is curved.

Then, in the same manner, the movement of the distance measuring device 71 and the measurement by the distance measuring device Ί 1 are performed in the same manner as in the case of measuring the other region T 2 adjacent to T 1 following this region T 1. Is repeated for each region. The moving direction of the distance measuring device 71 and the moving distance of the distance measuring device 71 in step 203 are determined in advance by a damage depth measurement program. In the present embodiment, as shown in FIG. 9, in the planar coordinate system set on the damaged portion 100, the first column in the longitudinal direction starting from the base point is measured, and then the end is measured. The measurement is repeated for the second column adjacent to the first column. Thereafter, this operation is repeated to measure up to the n-th column.

 In addition, since the distance measuring device 71 in this embodiment moves together with the pull-out device 2, the distance in the plane direction (X-axis and y-axis directions) of the damaged point 100 is determined by the rotation angle sensors 54d and 55d. It can be determined by measuring the amount of movement. In addition, the damage distribution on the plane coordinate system can be obtained.

 Then, when reaching the end of the n-th column, the control device 6 determines whether or not the measurement at the entire measurement point of the damaged portion 100 has been completed (S205). If it is determined that the measurement of the entire damaged portion 100 has been completed, the process proceeds to step 206. On the other hand, if it is determined in step 205 that the damage depth has not been measured in all the regions, the process returns to step 203 and the same processing is repeated to continuously determine the damage depth in each region. Perform measurement.

 Subsequently, in step 206, the rotation angle sensors 54d and 55d superimpose the displacement measured at the measurement point, the damage distribution on the plane coordinate system, and the data of the damage depth, and Image 0 0 (S 206). Then, a three-dimensional image of the damaged portion 100 as shown in FIG. 10 is formed.

Then, based on the three-dimensional image, the damage depth data and the movement amount (movement distance per unit) in the plane direction (X-axis, y-axis) of the distance measuring device 71 1, that is, DX 1 and D y in FIG. Calculation processing for obtaining the volume of the damaged portion is performed based on 1 (S207). As shown in Fig. 11, when measuring the data of the damaged portion 100, the dent volume of the damaged portion 100 is obtained for each of the plurality of divided regions. The concave volume can be determined more precisely. As shown in Fig. 11, one of the divided areas has a size of D xl and D yl in the two-dimensional direction (the X-axis direction and the y-axis direction). It can be represented by a solid image with a dimension of D z 1 in the direction (z-axis direction). As described above, according to the distance measuring apparatus 71 of the present embodiment, the damaged portion 100 is divided into a plurality of three-dimensional parts as shown in FIG. A volume of 0 can be determined. It should be noted that the more detailed the three-dimensional packet, the more accurate the volume of the damaged portion 100 can be determined, and the shape of the damaged portion can be grasped three-dimensionally.

 In addition, by combining all of the plurality of divided three-dimensional parts, the volume of the dent portion of the damaged portion 100 can be obtained extremely precisely.

 <Withdrawal point calculation process>

 When the dent volume of the damaged portion 100 shown in FIG. 11 is calculated, withdrawal device 2 creates withdrawal point data at which a withdrawal operation should be performed. When this image is imaged, only the extraction points (90, 95) that need to be extracted and the boundary line indicating the damage area, as shown in Fig. 12, are imaged. The image of the withdrawal points that require withdrawal work shown in FIG. 12 will be described in detail in a second embodiment described later.

 <Work load calculation process>

 Next, the vehicle repair support process in the present embodiment shifts to a process of calculating the amount of work. Note that the work amount in the present embodiment is the work time required for repair, the amount of repair material, and the repair cost. In addition, these work amounts are calculated based on the volume values obtained in the <damage amount measurement step> described above. Therefore, the work volume, repair material cost, repair cost, etc. are set in advance as the volume value per unit.

For example, the working time required to repair a dent with a volume of l mm ³ is 1 minute, the amount of repair material used to repair a dent with l mm ³ is 0.5 cc, or 1 mm ^{For example, the} repair cost required for repairing the dent ³ is 100 yen.

In this way, since the working time, the amount of material for repair and the amount of repair cost corresponding to the unit volume are determined, it is possible to easily and quickly create a repair schedule and estimate the repair cost. . If a form for the estimate is created and stored in the RAM 63 in the control device 6 shown in FIG. 1 in advance, the estimate can be issued at the same time as the amount of work is calculated. Further, according to the work amount calculation step in the present embodiment, the work time required for repair can be calculated, so that the schedule of the work time of the worker can be easily managed.

 <Withdrawal work process>

 Then, when the work amount calculation step is completed, a work of pulling out a damaged portion is performed. In addition, as a stage before performing the drawing operation, the coating film is peeled at the damaged portion. The reason for this is that the draw-out work in the present embodiment is performed by welding the electrodeposited chip 32b provided in the drawer 2 shown in FIG. This is to extract the location 100. However, the steel sheet is covered with multiple coatings. Therefore, it is necessary to peel off the coating film at a predetermined location before performing the drawing operation.

 Here, the coating film is peeled off one by one with a belt sander or the like (not shown) for each of the first points 90 located within the outline of the damaged part 100 shown in FIG.

 Then, when the coating film at a predetermined location (the first point 90 portion) is peeled off, the electrodeposited tip 32b shown in FIG. 13 is welded to the predetermined location, and the work of extracting the damaged location 100 is performed.

 The work procedure of this withdrawal work is as follows. Note that the withdrawal device 2 in the present embodiment is configured to store the data of the withdrawal point at which the withdrawal device 2 is to perform the withdrawal work in accordance with the dent volume calculated in the withdrawal point calculation step stored in the RAM of the control device 6. Evening (withdrawal sequence and withdrawal amount at the withdrawal point) can be read out and the withdrawal work can be performed automatically.

 As shown in Fig. 13, in order to restore the damaged panel to its original state, first, the suction pad 21 provided at the lower end of the first slide rod 22 is pulled out of the vehicle body panel surface 101 to be pulled out. Fixed to.

 Then, the electrodeposited tip 32b is brought into contact with the draw-out point, and electricity is applied to weld the tip of the electrode tip to the damaged inner bottom 100a.

Subsequently, as shown in FIG. 13, the reduction motor 34 a (second lifting device 33) shown in FIG. 2 is operated to raise the second slide rod 31 (P direction in FIG. 13). Then, the damaged portion 100 is pulled out as the second slide rod 31 moves.

 If the damage is large and the depth of the damage is shallow, fix the suction pad 21 as shown in Fig. 14 and mount the reduction motor 23b (first lifting device 23) shown in Fig. 2. Operate and raise the first slide rod 22 (Q direction in Fig. 14).

 Then, with the movement of the first slide rod 22, the suction pad 21 is also pulled up. That is, since the suction pad 21 is fixed to the damaged portion 100, the depression of the damaged portion 100 is pulled out by lifting the suction pad 21. Further, in the present embodiment, it has been described that in order to determine the welding position of the electrodeposited tip 32b, the suction pad 21 is fixed and then the electrodeposited tip 32b is welded. The dent at the damaged portion 100 may be pulled out by welding the electrodeposited tip 3 2 b without fixing the metal 21. Note that the method of pulling out the dent at the damaged portion 100 using only the electrodeposited tip 32b is suitable for damage having a small damage area and a relatively large damage depth.

 In addition, as shown in Fig. 15, the withdrawal operation by the withdrawal device 2 is performed in order from the point (1) outside the damaged portion (100) to (2)-(3)-(4)-(4). In other words, the withdrawal work is performed in order from the outer part having a small damage depth to the inner part having a large damage depth.

 The reason for pulling out from the outer part where the damage depth is shallow is that as shown in Fig. 15, when the pulling out operation is performed at point (2), the position of point (3) inside point (2) is also the position of point (2). It is raised with the withdrawal operation. For this reason, withdrawal work will be sufficient at all locations with little by little simple withdrawal work.

 The drawing operation is performed so as to draw a spiral line as a whole while sequentially drawing the adjacent first points 90 shown in FIG. By the way, the extraction work is performed in order from the outside of the damaged part (shallower depth) to the inside of the damaged part (lower depth).

In the present embodiment, the drawing operation is described as being performed at a time by the drawing device 2, but the depth measuring device 71 measures the damage depth of the portion to be drawn. Withdrawal work may be performed while doing so.

 For example, when a drawer operation is performed at a predetermined number of drawer points, the drawer operation is temporarily stopped, and the depth of the damaged part is measured again. Then, an error of the withdrawal amount is calculated based on the data obtained by re-measurement, and this error data is reflected as correction data for a subsequent withdrawal operation.

 <Putty work process>

 Then, when the damaged part is restored by the withdrawal operation, the process shifts to the work process of using a putty to repair a fine dent that cannot be repaired by the withdrawal operation. Before performing the putty work, perform the work to remove the paint on the part to be filled with the putty.

 Then, after the work of removing the paint is completed, putty is buried as needed. The putty in the present embodiment is an ultraviolet-curable putty made of an ultraviolet-polymerizable composition and cured by irradiating ultraviolet rays.

 As the UV-polymerizable composition used as a raw material for the putty, a composition similar to the UV-polymerizable composition generally used as a raw material for a putty such as an automobile is used without any particular limitation.

 The ultraviolet-polymerizable composition generally used as such a putty material contains an ultraviolet-polymerizable prepolymer, an ultraviolet-polymerizable monomer, and an ultraviolet-polymerization initiator as essential components, and optionally includes a sensitizer and a pigment. , Fillers, defoamers, surface modifiers, solvents and the like.

 Embedding of the putty material can be performed in the same manner as in the past. A preferred method is to embed the putty in several portions, slightly larger than the volume to be filled.

 At the first time, insert an appropriate amount of the filling amount into the damaged area 100 with a plastic wrench so as to squeeze it.

 Furthermore, divide the rest of the filling amount into appropriate amounts from above, and apply again with a plastic spatula so as not to entrap air.

After the putty is filled, the part filled with the putty has a slightly raised finish compared to the old paint film surface. Incidentally, the thickness of the putty material in the putty-embedded portion is about 0.1 to 1.0 mm thicker than the thickness of the old coating film. When the filling of the putty is completed, the filled portion is irradiated with ultraviolet rays to cure the putty, which is a UV-polymerizable composition. Irradiation with ultraviolet light can be performed using a device that generates light containing ultraviolet light, for example, a UV lamp or the like (not shown).

 Furthermore, the UV irradiation time required for curing the UV-polymerizable composition can be generally determined by, for example, using a preferable composition as a raw material for the putty, setting the embedding thickness within the above range, and irradiating a sufficient amount of UV light. It can be 30 seconds to 60 seconds.

 The putty is hardened by the above-described ultraviolet irradiation, and the damaged portion which has been subjected to the pretreatment as necessary is filled with the putty. Here, if the volume of the putty is slightly reduced due to the hardening of the putty, the rise of the putty from the surface of the old coating film may be slightly smaller than before the hardening.

 After that, the putty that has risen from the old coating surface is polished to the level of the old coating surface using a double-action sander, orbital sander, or the like. In addition, if the above-mentioned one-time putty and polishing work does not produce a sufficiently smooth surface, etc., the second putty is further filled on the first-time putty and the polishing work is performed. And good.

 By such an operation, a fine dent (damage) formed on the surface of the vehicle body panel surface from which the drawing operation has been performed can be restored with the same accuracy as the original vehicle panel surface.

 <Formation of the primer layer>

 Further, after the putty filled in the damaged portion is hardened and polished, a primer layer is formed. At this time, it is preferable to form a primer-fuser layer also around the boundary between the filled putty and the old coating film.

 The primer-facer layer is formed so that the thickness near the boundary between the surface of the filled putty and the surface of the old coating is the largest at a certain thickness, and the thickness of the layer gradually decreases as the distance from the boundary increases. Have been.

Further, the primer layer is uniformly spray-coated with a primer layer raw material having an ultraviolet-polymerizable composition and having a viscosity capable of being spray-coated on at least a coating surface including the surface of the putty putty, It is obtained by irradiating the obtained coating film with ultraviolet rays and curing it. Prior to forming the primer-fuser layer, preferably, the putty-exposed surface and the old coating film surface around the putty-exposed surface are washed with an air processor or the like, and further degreased.

 The UV-polymerizable composition used as a raw material of the primer-fuser is a UV-polymerizable composition having a viscosity that enables uniform spray coating, and the cured primer-fuser layer is composed of the above-mentioned paste. Any material can be used without particular limitation as long as it has good adhesion to the top coat formed on the primer or primer layer.

 <Overcoat work process>

 Once the primer-facer layer has been formed, a finish coat, a final coating, is performed.

 This top-coating operation can be performed in the same manner as the top-coating method usually performed in repairing a painted surface in a vehicle or the like.

 For example, an appropriate coating method is selected from solid coating, metallic coating, 3-coat my-strength coating, etc., according to the old coating, and the coating is performed.

 Then, after the paint on the painted surface that has been painted by any of the above methods is dried, the painted surface is polished and finished.

 This polishing is performed to polish the painted surface using a polisher (not shown) and an abrasive, or to smooth the painted surface.

 The vehicle repair support method according to the present embodiment has been described above.

 As described above, according to the vehicle repair support method of the present embodiment, the volume value of the concave portion at the damaged portion can be obtained, so that a more strict damage amount can be obtained.

 As a result, when the damage amount is assumed to be the damage area, the damage amount with a large damage area is more accurately calculated without being confused by the short-circuit judgment that the work amount is larger than the damage with a small damage area. Can be calculated.

Further, according to the vehicle repair support method of the present embodiment, the withdrawal points that need to be withdrawn can be stored in the RAM in the control unit in the order of the operations, and automatically based on the data. Since the drawing operation is performed at the same time, the accuracy of the finished surface after the operation can be made uniform. In other words, it is possible to perform a highly-completed repair work regardless of the skill level of the worker. In addition, according to the vehicle repair support method of the present embodiment, since it is possible to calculate the withdrawal point and the time and cost for the repair, it has been left to the intuition and experience of the worker. This can reduce variations in repair work time and repair costs.

 <Second embodiment>

 The vehicle repair support method according to the present embodiment includes a step of measuring a damage amount of a damaged portion formed on an outer panel of a vehicle body, and printing a withdrawal point calculated based on the damage amount on a sheet dedicated to vehicle repair. A process, a process of calculating a withdrawal point calculated based on the amount of damage, a process of calculating a work amount from the withdrawal point, a process of fixing the sheet to the damaged portion, a process of withdrawing the withdrawal point, and a bow I The method includes a step of putting a putty on a damaged portion after being put out, a step of forming a primer-fuser layer on the putted portion, and a finish topcoating step.

 That is, the vehicle repair support method according to the present embodiment is based on the fact that the drawer points and boundary lines, which have been converted into image data in the first embodiment described above, are printed on an actual sheet, and this sheet is used. And repairing damaged parts.

 In addition, in the step of extracting the withdrawal points in the vehicle repair support method according to the present embodiment, the operator manually extracts the withdrawal points using the above-described seat. In the description of the vehicle repair support method in the present embodiment, the description of the same steps as those in the first embodiment will be omitted. In addition, in the drawings of the present embodiment, the same reference numerals as those in the drawings of the first embodiment denote the same members or devices as those in the drawings of the first embodiment.

 Therefore, in the description of the vehicle repair support method according to the present embodiment, a drawer point printing process for printing a drawer point on a dedicated sheet and a <seat fixing process> for fixing the sheet to a predetermined position are described. A description will be given of <drawing operation process> in which a drawing operation is performed using a sheet on which the payout point is printed.

 First, the <drawing point printing step> will be described.

 <Drawer point printing process>

As shown in Fig. 11, once the dent volume of the damaged portion 100 is calculated, the drawer point where the drawer work should be performed by the drawer 2 shown in Fig. 2 is printed on a dedicated sheet. The process moves to the step of

 This sheet is a transparent sheet made of a synthetic resin, and a boundary line of a predetermined drawer area is printed. Naturally, the predetermined draw-out point and the boundary of the area are printed in accordance with the above-described measurement result of the damaged portion. Note that the borders of the draw-out points and areas printed according to the measurement results are based on the borders of the draw-out points and areas, which serve as references, as shown in FIG.

 First, as shown in FIG. 19, the boundary line of the reference region is provided so as to form four regions that spread radially from the center point P as a base point. These four regions are the first region 91 between the first boundary line 82 (circumferential line) and the second boundary line 84 from the outside, and the first region 91 between the second boundary line 84 and the third boundary line 84 from the outside. The second region 92, the third region 93 between the third boundary line 84 and the fourth boundary line 85, and the fourth region 94 within the fourth boundary line 85. Each of these boundaries is a concentric circle centered on the center point P.

Further, on the sheet 80 (8 OA) in the present embodiment, four corner portions corresponding to each boundary line are displayed. The inner area surrounded by the first corner portion 86 corresponding to the first boundary line 82 indicates 4 dm ^2, and is surrounded by the second corner portion 87 corresponding to the second boundary line 84. It was among area 2. 2 5 dm ² shows the inner area of the third corner part 8 8 corresponding to the third boundary line 8 4 shows a 1 dm ^2, the fourth corresponding to the fourth boundary line 8 5 The inner area of the corner part 89 shows 0.25 dm ² . Thus, by overlaying the sheet 80 on the damaged portion, the approximate size of the damaged portion in the plane direction can be grasped.

 Furthermore, there are two types of standard withdrawal points. That is, a first point 90 located inside a first predetermined distance (5 mm) from each boundary line, and a second point 9 located inside a second predetermined distance (20 mm) from each boundary line. 5 and 2 types.

 This first point 90 is arranged at equal intervals (15 mm) with another first point 90 adjacent in the circumferential direction. In addition, the second points 95 are arranged at equal intervals (25 mm) wider than other second points 95 adjacent in the circumferential direction and the first points 90.

In this process, the boundary between the plurality of drawing points serving as the reference and the plurality of areas is set. From the boundary line and each corner, only extraction points, boundary lines, and corners corresponding to the shape and degree of damage of the damaged part are extracted, and these data are printed by the printing device shown in Fig. 6 9 And print it on sheet 80 (8 OA) as shown in Figure 20.

 The printing device 69 is connected to the output port 66 of the control device 6 as shown in FIG. 1, and is provided with a predetermined withdrawal point, area boundary line, and corner transmitted through the output port 66. Print the copy at a predetermined location on the sheet 80 (see Fig. 12). In addition, the predetermined withdrawal point here indicates a withdrawal point at which the withdrawal operation should always be performed by the withdrawal device 2. In addition, it is more preferable to print on the sheet 80 (80A) a drawer point at which the drawer operation should be selectively performed according to the progress of the drawer operation, in addition to the drawer point at which the drawer operation should always be performed.

 Further, as shown in FIG. 19, the sheet 80 (8 OA) in the present embodiment is a circular sheet 80 (8 OA) preferably used when the damaged portion 100 has a shape close to a circle. However, in addition, the sheet 80B when the damaged portion 100 as shown in Fig. 21 has a shape close to a quadrangle, or the damaged portion as shown in Fig. 22 A sheet 80C or the like to be applied when 100 has a shape close to an ellipse can be exemplified.

 <Sheet fixing process>

Then, as shown in FIG. 20, when a predetermined draw-out point, a boundary line of the area, and a corner portion are printed on the sheet 80 (8 OA), the sheet 80 (8 OA) is printed on the sheet 80 (8 OA). The process shifts to the process of fixing to the door panel 102 so that the center (center point P) of (8 OA) is above the center of damage (the deepest part) (see Fig. 23). Note that the sheet 80 in the present embodiment has an adhesive applied to the back surface in advance, and a protective sheet is adhered to the adhesive applied surface. Therefore, the protective sheet is removed, and the sheet 80 (80 OA) is removed. ) Can be attached to the body panel. Also, this adhesive does not need to be applied to the front surface of the back of the sheet 80, and even if it is not an adhesive, it is fixed using a magnet so that the sheet 80 is sandwiched between the vehicle body and the magnet. May be. When the sheet 80 (8 OA) is fixed to the damaged part, the process for calculating the amount of time required for repair including the amount of time required for repair ゃ the amount of repair material, etc., and then to the process of pulling out the damaged part And migrate. Note that the process of calculating the workload in the present embodiment is the same as the process of calculating the workload in the first embodiment, and a description thereof will be omitted. Next, a description will be given of a process of drawing out a damaged portion.

 <Withdrawal work process>

 As in the pull-out operation in the first embodiment, in the pull-out operation in the present embodiment, the coating film is peeled off at the damaged portion as a stage before the pull-out operation is performed. The coating film is peeled off one by one with a belt sander (not shown) for each of the first points 90 located within the outline of the damaged part. At this time, the end of the belt sander is brought into contact with the door panel (damaged portion) from above the first point 90, and the coating film is peeled off together with the sheet portion (the first point 90) of the contacted portion.

 That is, the sheet 80 (80A) shown in Fig. 20 has a hole in each of the first voids 90 in the damaged area 100, and the coating film is peeled off point by point. It becomes. Therefore, unlike the conventional repair method, all the coatings in the damaged area are not removed.

 In other words, in the past, the coating film was peeled at least within the outline of the damaged part. However, according to the present embodiment, the peeling of the coating only at each point inside the outline of the damaged part is performed. That's all we need to do. Note that the coating film may be peeled off at the second point 95 in the damaged portion.

 Then, when the coating film at a predetermined location (near a damaged location) is peeled off, a drawing operation is performed.

 For this drawing operation, a drawing device 40 shown in FIGS. 24 to 27 is used. Here, the drawer used for the drawer operation of the present embodiment will be described.

 The drawer 40 is composed of a rod-shaped main body 41 and a counter plate 43 connected to the main body 41 via a connecting portion 42. The main body 41 is provided with an electrode attachment 44 so that it can be connected to the welding machine 45 side.

The electrode tip 4 6 through which the current from the welding machine 45 flows is located under the main body 41. Is provided. The connecting portion 42 and the counter plate 43 are rotatably connected in the axial direction connecting the electrode chip 46 and the connecting portion 42.

 Further, the distance between the connecting portion 42 and the counter plate 43 and the electrode chip 46 can be changed by sliding the knob 47 in the slide groove 48.

 In addition, a grip 49 is provided at an upper portion of the main body 41 so as to be easily gripped by an operator. Further, the main body 41 can be provided with a function as a slide hammer by fitting the hammer 50.

 Next, the principle of the drawing operation using the drawing device 40 configured as described above will be described.

 As shown in Fig. 25, in order to restore the damaged panel like a panel, the electrode tip 46 must be brought into contact with the damaged part, and the power should be turned on to cut off the tip of the electrode tip 46 and the damage. Weld. In this state, pull the main body 41 toward you (direction B in Fig. 25) while pressing down on the counter plate 43 (direction A in Fig. 25).

 Then, the electrode tip 46 is pulled up to the information (C direction in FIG. 25), and the damaged portion is also pulled out together with the electrode tip 46 (FIG. 26). Incidentally, if the fixing position of the knob 47 in the slide groove 48 is changed, the area of the damaged portion to be repaired by one pull-out operation can be changed.

 The withdrawal operation using the sheet is performed in the order of the first point 90 located in the outer area in the damaged area and the first point 90 located in the inner area in the order of the drawer 40. Draws out the panel.

 Explaining with reference to FIG. 27, the welding location (drawing work location) of the electrode tip 46 shifts from the damaged location 100 in the order of points ① → @ → ③ → @ → ⑤. In other words, pull-out work is performed in order from the outer part with less damage to the inner part with deep damage.

By performing the pull-out correction from such a shallow damage point, shallow damage is always drawn out at each pull-out point until the repair work is completed. For example, when the drawer is repaired at point (2), the position of point (3) inside point (2) is also raised. A simple pull-out operation will suffice.

 The withdrawal work may be performed at any of the first points 90 in any order as long as it is within the same area. It is good to draw in a spiral line. Also, the drawing operation may be performed at the center point P.

 Here, the determination of the suitability of the withdrawal work at the second point 95 will be described. The second point 95 indicates a place where the withdrawal work is supplementarily performed when the withdrawal work at the first point 90 alone cannot perform a sufficient repair work.

 Withdrawal work is accomplished by drawing all the first 90 and second 95 points in the damage in order from the outside (shallow side of the dent) to the inside (deep side of the dent). Even an unskilled worker can perform the repair work with high accuracy.

 However, in order to make the withdrawal work even faster, if the withdrawal work at the first point 90 could be performed more quickly, the option to omit the withdrawal work at the second point 95 was given.

 For example, as shown in FIG. 20, after the drawing operation is completed at the outer first point 90 (for example, in the third area 93), the drawing operation is performed at the second point 95 in the third area 93. Then, work can be performed such as a first point 90 in the fourth area 94 and a second point 95 in the third area 93. Alternatively, after the withdrawal work is completed at the first point 90 in the third area 93, the withdrawal work is performed at the first point 90 in the fourth area 94, and then in the third area 93. The withdrawal work may be performed at the second point 95 of the above.

 As described above, since the pull-out work is performed using the sheet 80 (8 OA) (see Fig. 20) on which the draw-out points are printed, it is easy for even inexperienced workers to repair the vehicle body panel surface. , And accurately.

Also, on the sheet 80 (8OA) of the present embodiment, a drawer point (first point 90) that requires withdrawal work and a drawer point (second point 95) that supplements withdrawal work are printed. As a result, even a worker who is unskilled in pulling out a damaged portion can easily and accurately pull out the damaged portion. In addition, by performing the withdrawal operation using the sheet 80 (8 OA) in the present embodiment, if the worker is skilled in the withdrawal operation, the withdrawal operation at the point (second point 95) that supplements the withdrawal operation Can be omitted as much as possible, and damaged parts can be repaired in a shorter time.

 When the present process (drawing operation process) is completed, the process proceeds to <putty operation process>, similarly to the vehicle repair support method of the first embodiment. At this time, when performing the putty operation, the sheet 80 is naturally peeled off, but in the present embodiment, only the portion corresponding to the damaged portion 100 is peeled off, and the sheet 80 including other portions is peeled off. Leave 0 (8 OA) on the body panel. This is to protect the undamaged parts from being damaged by subsequent work and to protect them from dirt and the like during the work.

 Also, in order to make it easy to peel off the sheet corresponding to the damaged portion 100 shown in FIG. 20, a break line (perforation) (not shown) is formed at each boundary line of the sheet 80 (8 OA). It is more convenient to keep the inner area apart at the boundary line containing the damage.

 As described above, in the vehicle repair support method according to the present embodiment, when the withdrawal operation is completed, a putty operation step, a step of forming a primer / ceramic layer, and an overcoating step are performed. These steps are also performed in the first embodiment. The steps are the same as the putty working step, the primer-single-facer layer forming step, and the overcoating step, and therefore, the description thereof is omitted.

 As described above, by using a dedicated sheet for repairing a damaged portion formed on the vehicle body panel surface, the damaged portion can be repaired easily and in a short time.

 In addition, since the points to be pulled out are printed in the order in which they should be drawn out on the sheet used to repair the damaged part, even workers with little experience in repairing the damaged part can perform the recovery work accurately.

Claims

The scope of the claims

1. A method of assisting repair of vehicle body panel damage,

 Computer

 (a) inputting an amount of damage at a damaged portion of the panel;

 (b) calculating a draw-out point from which the panel should be drawn out from the center of the damaged portion to the outside based on the input damage amount;

Car repair support method to perform.

 2. The computer calculates the amount of damage at the damaged portion based on the depth of damage obtained by measuring each measurement point arranged at predetermined intervals on the surface of the damaged portion of the vehicle body panel. The method for assisting vehicle repair according to claim 1.

 3. The vehicle repair support method according to claim 1 or 2, wherein the damage amount is a volume value of a concave portion at a damaged portion.

 4. The damaged portion of the vehicle body panel is characterized in that the concave portion is divided into blocks based on the measurement points, and a damage amount of the damaged portion is calculated from a volume of each block. The vehicle repair support method according to the paragraph.

 5. The vehicle repair support method according to claim 4, wherein the measurement points are arranged on a coordinate system defined at a damaged portion of the vehicle body panel.

 6. The vehicle repair support method according to claim 5, wherein the coordinate system is a three-dimensional coordinate system.

 7. The drawing point according to any one of claims 1 to 6, wherein the withdrawal points calculated in the step (b) are arranged in a working order according to the damage amount. How to support vehicle repair.

 8. The drawing point according to any one of claims 1 to 7, wherein the withdrawal point calculated in the step (b) is arranged at a position corresponding to a shape of a damaged portion. The vehicle repair support method described.

9. The computer according to claim 1, wherein the computer executes a step of (c) printing the withdrawal point calculated in the step (b) on a predetermined sheet. A vehicle repair support method according to any one of items 8 to 13.

 10. The vehicle repair method according to any one of claims 1 to 9, wherein the computer executes (d) a step of calculating a body repair work time based on the damage amount. How to help.

 1 1. The step (d) includes:

 (e) counting the points calculated in the step (b);

 (f) multiplying the counted points by a predetermined time to calculate a repair work time at the damaged portion;

The vehicle repair support method according to claim 10, wherein the method includes:

12. The vehicle repair method according to any one of claims 1 to 11, wherein the computer executes (g) calculating a body repair work cost based on the amount of damage. How to help.

 13. The step (g) includes:

 (h) Supporting vehicle repair according to claim 12, including a step of multiplying the points counted in the step (e) by a predetermined amount to calculate a processing work cost at the damaged portion. Method.

 14. A method to assist in repairing vehicle body panel damage,

 (i) measuring the amount of damage at the damaged portion of the panel;

 (j) determining a withdrawal point from which the panel is to be pulled out from the center of the damaged portion to the outside based on the input amount of damage;

14. The method for assisting vehicle repair according to claim 12 or claim 13, comprising:

 15. The vehicle repair method according to claim 14, further comprising: (k) a step of peeling off the coating film at each point between the steps (i) and (j). How to help.

 16. A program to help repair vehicle body panel damage,

 (1) Entering the volume value of the dent at the damaged part of the panel; and (m) Calculating the draw-out point from which the panel should be drawn out from the center of the damaged part to the outside based on the input damage amount. When,

Is a computer-executable vehicle repair support program.

1 7. A system that supports repair of vehicle body panel damage,

 Measuring means for measuring a volume value of a dent portion at a damaged portion of the panel; calculating means for determining a drawing-out point from which the panel is to be drawn out from the center of the damaged portion to the outside based on the measured volume value;

A vehicle repair support system comprising: