KR200380876Y1 - Carrier for conveyance of the parts in car production line - Google Patents

Abstract

The present invention installs a replaceable jig (JIG) according to the shape of the parts in the head that can be rotated to grab the parts to be transported to the upper part of the car production line to move quickly to the correct position along the rail The present invention relates to a conveying device for transporting, the present invention comprises: an X-axis frame and a Y-axis frame installed at right angles to each other in a transport device for transporting parts of an automobile production line to guide movement of an assembly (WORK) and a processed product; Horizontal guide guide and vertical guide guide comprising a first guide member having a rack gear installed at one side of the fixed plate and having opposite ends inclined guides and a second guide member integrally formed at both ends thereof with the fixed plate. Means; A plurality of rollers rotatably moving along the guide; A horizontal support bracket on which the roller is rotatably installed; A vertical support bracket fixed to the horizontal support bracket; A support frame for supporting the X-axis frame and the Y-axis frame; An X-axis drive motor and a Y-axis drive motor fixed to the support bracket; A pinion gear installed on a rotation shaft of the drive motor; A Z-axis holder member having a guide formed on a fixing bracket integrally formed with the base fixedly fixed to the Y-axis frame bottom; It is characterized in that the head portion is connected to the Z-axis holder member and configured to exchange a jig such as the shape of the assembly.

Description

Carrier for conveyance of the parts in car production line}

The present invention relates to a transportation device for transporting parts of an automobile production line, and more particularly, by installing a replaceable jig (JIG) according to the shape of the part in the head of the rotatable movement, and grabbing the part to be transported, The present invention relates to a conveying device for transporting parts of an automobile production line, which moves quickly and accurately along a rail.

In general, a car is composed of a combination of a number of parts, when assembling and producing a car, each of the characteristic parts, for example, a frame part, a body part, a driving part, etc. are assembled in a specialized assembly plant.

Each of these assembly plants is typically to be completed by sequentially passing through the continuous process line from the start of assembly to the completion stage,

The assembly method of the assembly line is largely divided into a conveyor belt and a transfer method.

The former conveyor belt method of the above-mentioned general moving methods is a factor of occurrence of quality problems due to scratches and stamps when moving the work and the processed goods, and the latter transfer method is difficult to maintain in case of equipment failure and C / There are problems such as overtime and complicated equipment, which leads to cost increase of equipment.

On the other hand, the assembly work and the work to be moved by station are not seated in the correct position, the seating of the work and the work is skewed, eliminating the decrease in productivity due to the momentary stop operation and other specifications and There is a problem such as not being able to use universally because it is not converted.

In order to solve this problem, as shown in the accompanying drawings in FIG. 11, as shown in FIG. 11, a transport system of a hanger used when transporting parts from one process to another is shown. It is widely used as a conveying means for grasping and lifting parts transferred from the process line and dropping them on the transfer device to be transferred to other small process lines.

In particular, the illustrated example is a hanger 200 used to transport the body (B) in the process of mounting the door, trunk lid, hood, etc. after the car body (B) has a predetermined shape in the body assembly line ) Shows an example.

As shown, a plurality of hangers 200 are normally installed on a rail 400 in a closed curve at predetermined intervals, and are circulated along the rail 400 and introduced into the loading die 600 of the loading part L. After lifting the body (B), it is put down on the conveyor (800) of the unloading unit (UL) to be transferred to the next process.

When the hanger 200 reaches the unloading unit UL, the process control unit (not shown) checks this and stops the hanger 200 and at the same time the rack 100 on the conveyor 800 moves to the unloading unit UL. After checking whether the entry of the hanger 200 and the rack 100 is confirmed, the hanger 200 is lowered and the body B is placed on the rack 100, and the hanger 200 is raised again. To repeatedly circulate on the rail 400.

However, in the case of the transportation device for transporting parts of the conventional automobile production line, the body of the vehicle is moved by using a fixed jig having a predetermined shape in the body assembly line. It is possible to use only by replacing the whole jig having a form, and there is a problem that the movement range is limited by horizontal movement or forward and backward movement.

The present invention was devised to solve such a problem, and the purpose of the present invention is to provide a cycle time over (CYCLE TIME OVER) because the transfer of assembly and work is simple and takes less time. It can prevent the reduction and move horizontally or forward and backward and depth, for example, in X, Y and Z directions, which improves the moving range and can be equipped with various types of jigs on the head. It is an object of the present invention to provide a transportation device for transporting parts of an automobile production line, which has an advantage of quickly coping with changes.

The object of the present invention is the X-axis frame and Y-axis frame installed to cross at right angles to each other to guide the movement of the assembly (WORK) and the workpiece; The horizontal guide guide means and the vertical guide guide means comprising a first guide member having a rack installed on one side of the fixed plate and having opposite inclined guides and a second guide member integrally formed on both sides of the fixed plate. and; A plurality of rollers rotatably moving along the guide; A horizontal support bracket on which the roller is rotatably installed; A vertical support bracket fixed to the horizontal support bracket; A support frame for supporting the X-axis frame and the Y-axis frame; An X-axis drive motor and a Y-axis drive motor fixed to the support bracket; A pinion gear installed on a rotation shaft of the drive motor; Z-axis holder means for forming a guide on a fixed bracket formed integrally with the base fixed to the lower Y-axis frame; It is achieved by a conveyance device for transporting parts of a vehicle production line consisting of a head portion connected to the Z-axis holder means.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an overall assembly view showing an installation state of the present invention and Figures 2 to 4 are front, side and plan views showing the installation state of each frame that is the main part of the present invention, according to the present invention of the production line The structure of the conveying device for parts transportation is largely classified into X-axis movement, Y-axis movement, and Z-axis movement.

The structure of the X-axis movement is that the support frame 10 is installed with a certain height X-axis frame (2) to form a rectangular cross section on one side of the upper by fixing the support bracket on the upper portion of the support frame 10 ) And install it horizontally.

Horizontal guide guide means 20 is installed on the upper and lower portions of the X-axis frame 2, the structure of which is a rack key (20a-2) is installed on one side of the fixing plate as shown in Figures 4 to 6 attached to the opposite side The second guide member (20a-1) in which both ends are formed with the inclined guide (20a-1) and the second guide member (2b) forming the inclined guide (20b-1) at both ends integrally with the fixed plate (20b-2) ( 20b) is installed.

On the other hand, as shown in Figs. 2 to 5, the horizontal support bracket 3 is provided with a fixed plate for installing the X-axis driving motor M1, and the pinion gear 5 is installed on the rotation shaft of the X-axis driving motor M1. ) Is built up.

The pinion gear 5 is installed in a state of being engaged with the rack gear 20a-2 fixed to the first guide member 20a, and a plurality of rollers 30 and 31 are rotatable in the horizontal support bracket 3. It is installed, but a part is installed to be movable along the first guide member (20a) and the second guide member (20b) constituting the horizontal guide guide means (20).

It is movable along the first guide member 40a and the second guide member 40b constituting the vertical guide guide means 40 on the opposite side of the rollers 30 and 31 moving along the horizontal guide guide means 20. Is installed.

On the other hand, as shown in Figure 9 attached to the roller (30,31) rotatably installed on the horizontal support bracket (3) and the guide of each guide guide means (20, 40) engaged with the roller (30,31) (20a-1,20b-1,40a-1,40b-1) may be used by changing the dovetail groove.

Meanwhile, the structure of the Y-axis moving means is a structure in which the X-axis structure is rotated by 90 ° as shown in FIGS. 2 to 4 and 7, and vertical guide guide means are disposed on upper and lower portions of the Y-axis frame 4. 40) is installed but the structure thereof is a rack key (40a-1) is installed on one side of the fixed plate as shown in Figures 4 to 7 attached to the opposite side to form a guide (40a-1) inclined at both ends A second guide member 40b is formed integrally with the first guide member 40a and the fixed plate 40b-2 to form a guide 40b-1 having both ends inclined.

Meanwhile, as shown in FIGS. 3 to 4, the vertical support bracket 6 is provided with a fixing plate for installing the Y-axis driving motor M2, and the pinion gear 5a is installed on the rotation shaft of the Y-axis driving motor M2. ) Is built up.

The pinion gear 5a is installed in engagement with the rack gear 40a-2 fixed to the first guide member 40a, and the roller 31 of the horizontal support bracket 3 is vertical guide means 40. It is installed to move along.

On the other hand, the structure of the Z-axis moving means guide 72 to the fixing bracket 70 formed integrally with the base 71 is fixed to the end of the vertical frame 4, as shown in the accompanying drawings Figure 2 and 8 The head portion 8 formed with a plurality of jig mounting fixing parts is installed on the Z-axis holder member 7 formed with a number so as to install the jig 80 suitable for the shape of the assembled article and the processed article. For convenience, the power supply method will be omitted.

In describing the operation and effect of the present invention having the structure as described above, the present invention is described by dividing the X-axis movement, Y-axis movement, Z-axis movement, first look at the operation of the X-axis movement power to the drive motor (M1) By supplying and rotating the rotary shaft, the pinion gear 5 arranged on the rotary shaft rotates.

When the pinion gear 5 is rotated, the rack gear 20a-2 meshed with the pinion gear 5 is moved, and the rack gear 20a-2 is fixed to the horizontal guide frame 20 so that the X-axis The frame 2 is to be moved. At this time, the driving motor (M1) is fixed to the horizontal support bracket (3) and eventually the horizontal support bracket (3) is to be moved, the flow during the movement of the horizontal support bracket (3) Roller 30 is installed rotatably Is prevented).

As shown in FIG. 6, the rollers 30 installed on the horizontal support bracket 3 have guides 20a-1 and 20b-of the first guide member 20a and the second guide member 20b, which are inclined at both ends thereof. Since it is driven in conjunction with 2) it can be easily moved.

When the horizontal support bracket 3 is moved along the X axis frame 2, the Y axis frame 4 is also moved. This is because the vertical support bracket 6 fixed to the horizontal support bracket 3 supports the Y-axis frame 4. On the other hand, looking at the operation of the Y-axis movement to supply power to the drive motor (M2) to rotate the rotating shaft is the pinion gear (5a) is installed on the rotating shaft to rotate.

When the pinion gear 5a is rotated, the pinion gear 5a is engaged with the rack gear 40a-2 fixed to the vertical guide frame 40 so that the rack gear 40a-2 is rotated according to the rotation of the pinion gear 5a. The Y axis frame 4, which is the fixed body of the vertical guide frame 40, moves.

At this time, the driving motor (M2) is fixed to the vertical support bracket (6) and eventually the Y-axis frame (4) is moved up and down in accordance with the rotation direction of the pinion gear (5a) of the Y-axis frame (4) When moving, the flow is prevented by the rollers 31 and the guides 40a-1 and 40b-1 rotatably installed in the same manner as the X-axis frame 3.

On the other hand, in the biting method of the roller 31 and the guides 40a-1 and 40b-1, a dovetail joint method (dovetail 0groove) may be used as an effective structure to prevent shaking as shown in FIG.

As shown in FIG. 7, the guides 40a-1 and 40b-of the first guide member 40a and the second guide member 40b are inclined at both ends of the roller 31 installed on the horizontal support bracket 3. 1)) can be easily moved because it is driven in conjunction with, and when the vertical support frame 6 is moved as described above, the Z-axis movement that is installed in the Y-axis frame (4), that is, the head (8) is also moved together. do.

On the other hand, when looking at the operation of the Z-axis movement as shown in Figure 8 and 9 attached to the base 71 is fixed to the lower end of the Y-axis frame (4) to move the assembly and the processed article According to the position, if the hydraulic device not shown in the drawing is operated after the X-axis movement and the Y-axis movement, the head portion 8 moves along the guide 72 of the Z-axis holder member 7 and the head portion 8 In the installation, the jig 80 having the same shape as the assembled article and the processed article is installed, and the assembled article and the processed article are transferred using the jig.

On the other hand, a plurality of jigs 80 are installed in the head part 8, and the jigs of assembled articles and processed articles having different shapes are detachably attached to the jig 80, thereby improving the ability to cope with various tasks. do.

For example, a plurality of jigs are installed in the head part 8, and the head part is rotated by being divided by the number of jig parts which are separately installed, so that the jig can be quickly changed in accordance with the change of the assembled article and the processed article.

The application field of the present invention has been described as an example of the automobile field for convenience of description, but a general-purpose facility for transporting and moving goods, such as transport and movement facilities of shipbuilding and shipbuilding, transport and movement facilities of chemical fields, or transport and movement facilities of logistics. It can be used as.

The conveying device for transporting parts of the automobile production line of the present invention, which is constructed and operated as described above, is a cycle time over because the transport of assembly and work is simple and takes less work time. It prevents the output from being reduced, and it can move horizontally or forward and backward and depth, for example, in the X, Y, and Z directions, which improves the moving range and can be equipped with various types of jigs on the head. There is an advantage that can quickly cope with the change of goods.

1 is an overall assembly showing the installation state of the present invention.

Figure 2 is a front view showing the installation state of each frame that is the main part of the present invention.

Figure 3 is a side view showing the installation state of each frame that is the main part of the present invention.

Figure 4 is a plan view showing the installation state of each frame that is the main part of the present invention.

5a to 5b is a perspective view and an exploded perspective view showing the structure of the horizontal support bracket which is the main part of the present invention.

6 is an enlarged view of a portion “A” of FIG. 2;

7 is an enlarged view of a portion “B” of FIG. 4.

8 is a perspective view showing a coupling state of the Z-axis holder member and the head portion of the main design of the present invention.

9a to 9b is a front view before the operation and a front view after the operation showing the operating state of the Z-axis holder member and the head portion which is the main part of the present invention.

10 is a cross-sectional view showing an example of a coupling structure of the roller and the guide guide means that is the main part of the present invention.

Figure 11 is an exemplary view showing the working manner of the conveying device for transporting parts of a typical automobile production line.

※ Explanation of code for main part of drawing ※

2: X axis frame 3: Horizontal support bracket

4: Y axis frame 5,5a: Pinion gear

6: vertical support bracket 7: Z-axis holder member

8: head portion 10: support frame

20: horizontal guide guide means 20a, 40a: first guide member

20a-2,40a-2: Rack gear 20b, 40b: Second guide member

30,31: Roller 20a-1,20b-1,40a-1,40b-1: Guide

40: vertical guide guide means M1, M2: drive motor

Claims (3)

In the conveyance device for transporting parts of the automobile production line, An X-axis frame and a Y-axis frame installed at right angles to each other to guide movement of an assembly article and a workpiece; Horizontal guide guide and vertical guide guide comprising a first guide member having a rack gear installed at one side of the fixed plate and having opposite ends inclined guides and a second guide member integrally formed at both ends thereof with the fixed plate. Means; A plurality of rollers rotatably moving along the guide; A horizontal support bracket on which the roller is rotatably installed; A vertical support bracket fixed to the horizontal support bracket; A support frame for supporting the X-axis frame and the Y-axis frame; An X-axis drive motor and a Y-axis drive motor fixed to the support bracket; A pinion gear installed on a rotation shaft of the drive motor; A Z-axis holder member having a guide formed on a fixing bracket integrally formed with the base fixedly fixed to the Y-axis frame bottom; And a head unit connected to the Z-axis holder member and configured to replace a jig such as a shape of an assembly part. According to claim 1, A plurality of jig is installed in the head portion, the conveyance device for transporting parts of the automobile production line, characterized in that the head is rotated by the number of divided by the number of jig. The transport apparatus for transporting parts of an automobile production line according to claim 1, wherein the rollers rotatably installed on the horizontal support brackets and the guides of the guide guides engaged with the rollers are dovetail joints. .