KR20090064080A - Shuttle apparatus for panel conveying - Google Patents

Abstract

A shuttle apparatus for transferring a panel is provided to mount a panel on a shuttle which is composed of a rack and a pinion and operated by a motor and rapidly transfer the panel without moving the panel. A shuttle apparatus for transferring a panel includes a base frame unit(101), first forward and backward transfer frames(201,203), a driving unit(120), second forward and backward transfer frames(211,213), and a second pinion. The base frame unit includes a base frame(103) and forward and backward mounting frames(105,107). The first forward and backward transfer frames respectively include a first rack(205). The driving unit includes a first pinion engaged with the first rack and moves the first transfer frame in the horizontal direction. The second forward and backward transfer frames respectively include a second rack(215). The second pinion is engaged with the second rack and moves the second forward and backward transfer frames in the horizontal direction.

Description

SHUTTLE APPARATUS FOR PANEL CONVEYING}

The present invention relates to a panel transfer shuttle device, and more particularly, when the panel transfer between each work process of the body line, the panel is mounted on the shuttle operated by the motor drive to accurately regulate without shaking the panel between transfers The present invention relates to a panel transfer shuttle device which prevents the positional accuracy and deformation of a panel and enables rapid transfer of the panel.

In general, the transport system of the car body line is used to transport the car body panels between the work processes while assembling the car body at the car manufacturer's car plant. It is applied.

As shown in FIG. 1, the panel transfer shuttle device according to the prior art, first, the left and right lower rack bar (3) (5) in which the rack (7) is formed on each top surface of the work room bottom surface (1) Are arranged parallel to each other in the left and right sides, the outer left and right of the lower rack bar (3) (5) is engaged in the front and rear of the rack 7 is connected to the mutual power transmission belt (9) from the rear. The left and right first transfer bars 15 and 17 having the front and rear pinion means 11 and 13 are disposed, and the left and right first transfer bars 15 and 17 are provided at the respective inner center portions. It is connected to each other via a connecting bar (19).

The front and rear pinion means 11 and 13 are rotatably mounted to the front and rear rotary shafts 21 and 23 on one of the front and rear sides of the left and right first transfer bars 15 and 17, respectively. The front and rear pinions 25 and 27 are mounted at the inner ends of the front and rear rotary shafts 21 and 23, respectively, and are engaged with the racks 7 on the left and right lower rack bars 3 and 5. The front and rear belt pulleys 29 and 31 are mounted at respective outer ends of the front and rear rotation shafts 21 and 23 to be connected to each other through the power transmission belt 9 to enable power transmission. .

In addition, left and right second transfer bars 33 and 35 are disposed on upper left and right lower rack bars 3 and 5, respectively, so that inner and outer surfaces of the left and right first transfer bars 15 and 17 are disposed. It is guided in the longitudinal direction through the guide means (not shown) between the, the upper surface is provided with a locator 39 machined to match the cross-sectional shape of the panel to be transferred to the front and rear, respectively.

The left and right upper rack bars 41 and 43 are integrally formed at the bottom of the left and right second transfer bars 33 and 35, respectively. It meshes with the rear pinion means 11 and 13 at the top.

In addition, the connecting bar 19 for interconnecting the left and right first transfer bars 15 and 17 may have a driving motor 47, a driving pulley 49, a driven pulley 51, and a timing belt at one side thereof. The rotation driving force transmitted from the driving means 45 constituted by 53 is received as forward and backward force.

Therefore, the operation of the panel transfer shuttle device configured as described above is that the rotational force of the drive motor 47 is connected to the connecting bar (9) of the left and right first transfer bar (15) (17) through the timing belt (53) Is transmitted to the front and rear force, and the left and right second transfer bars 33 and 35 are forward and rear pinion means according to the forward and backward movement of the left and right first transfer bars 15 and 17. 11) and 13 are moved in the forward and backward directions, respectively, to transfer the panel loaded on the locator 39.

Accordingly, the panel loaded on the locator 39 in the previous process is to be transferred to the next process.

However, in the conventional panel transfer shuttle device as described above, a phenomenon occurs in which the timing belt passes over the teeth of the pulley, thereby failing to transmit the driving force. There is a problem.

In addition, when the left and right second transfer bar is moved, an impact occurs when the left and right upper rack bars are engaged with the respective pinions, and thus, the panel loaded on the locator on the left and right second transfer bars. As a result of deformation or positional inaccuracy, the feedrate cannot be increased and the line operation rate is lowered.

Accordingly, the present invention has been invented to solve the problems described above, the object of the present invention is a shuttle phase that is composed of a rack and pinion, the panel is operated by a motor drive when the panel transfer between each work process of the body line It is provided to the panel transfer shuttle device that can be mounted on to precisely regulated without shaking the panel between transfers to prevent the position and deformation of the panel, and enables the rapid transfer of the panel.

Panel transfer shuttle device according to an embodiment of the present invention for achieving this object, in the panel transfer shuttle device for transferring the panel between each work process of the body line,

A base frame unit composed of a base frame and front and rear mounting frames; A front and rear first transport frame disposed on the front and rear mounting frames so as to be slidably movable in the left and right directions, each lower end having a first rack portion formed along a longitudinal direction; A driving unit installed at a central side of the base frame and configured to have at least one first pinion engaged with each of the first rack parts to move the respective first transport frames in left and right directions by motor driving; A front and rear second transport frame provided between the front and rear first transport frames so as to be slidably moved in a left and right direction, and a second rack portion is formed at a lower end thereof in a length direction; A second part configured between one of the front and rear first transport frames and engaged with the second rack part to receive the driving force of the driving unit to move the front and rear second transport frames to the left and right directions; Pinion; characterized in that consisting of.

The base frame unit is a base frame mounted on all sides on the floor of the workplace; Characterized in that it is mounted on both sides of the upper surface of the base frame spaced apart, a front, rear mounting frame is formed in the longitudinal direction on the upper surface one side around the center.

The front and rear mounting frames may have first slide grooves formed in the upper both side surfaces thereof in a longitudinal direction, and the front and rear first transfer frames may be disposed between the first slide grooves and the front and rear first transfer frames. The first guide means is configured to guide the frames.

The first guide means may include a plurality of lower guiders mounted at predetermined intervals in a longitudinal direction corresponding to the first slide grooves of the front and rear mounting frames at respective inner lower portions of the front and rear first transport frames; And a plurality of lower guide rollers mounted between the lower guiders.

The third rack portion of the front and rear mounting frame may be engaged with the second pinion while being disposed under the second pinion.

The front and rear second transfer frames have second slide grooves formed on both side surfaces thereof in a longitudinal direction, and the front and rear second transfer frames are formed between the second slide grooves and the front and rear first transfer frames. The second guide means is configured to guide the conveying frame.

The second guide means may include: a plurality of upper guiders mounted at predetermined intervals along a longitudinal direction corresponding to the second slide grooves of the front and rear second transfer frames at respective inner upper portions of the front and rear first transfer frames; And an upper guide roller mounted between the upper guiders.

The drive unit is a drive motor which is installed through the mounting bracket on the central side of the upper portion of the base frame; A shaft coupling coupling mounted to a rotation shaft of the drive motor; First gear means mounted to the center of rotation of the shaft coupling coupling corresponding to the front first transport frames; A connecting shaft mounted to the first gear means through a shaft connecting joint; And second gear means mounted to the connecting shaft through shaft connecting joints corresponding to the rear first transport frames.

The first gear means is rotatably installed at one of the front and rear sides of the front mounting frame, one end of which is mounted at the center of rotation of the shaft coupling coupling, and the other end of which is mounted at one end of the coupling shaft via a shaft coupling joint. First gear shaft; And two first pinions engaged with the first rack portions of the front first transport frames in a state of being fitted to the first gear shaft in front and rear of the front mounting frame.

The second gear means is rotatably installed on one side of the front and rear of the rear mounting frame, respectively, one end is mounted to the other end of the connecting shaft through the shaft connecting joint; And two first pinions engaged with the first rack portions of the rear first transport frames while being fitted to the second gear shaft in front and rear of the rear mounting frame.

It is characterized in that it further comprises a stopper unit which is installed at both ends of the front, rear mounting frame to limit the forward and backward movement of the front, rear first transport frame.

Each stopper unit may include a stopper body mounted on both lower ends of the front and rear mounting frames, respectively; An operation cylinder hinged to one side of the stopper body; One side is hinged to one side of the front end of the stopper body, the rear end is a stopper hinged to the front end of the operation rod of the working cylinder; characterized in that consisting of.

It is characterized in that it further comprises a plurality of limit switches installed on the other side of the base frame to apply a switching signal to the drive unit.

As described above, according to the panel transfer shuttle device according to the present invention, when the panel transfer between the work process of the vehicle body line, the panel is composed of a rack and pinion to be seated on the shuttle device driven by a motor drive , During the transfer between short-distance process, there is an effect of transferring to the next process in the state of accurate positioning without the position accuracy and deformation of the panel.

In addition, by using a stroke double-type shuttle device driven by the rack drive and the pinion by the motor drive by transferring the panel workability in each process is improved, thereby increasing the productivity.

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

2 and 3 are a perspective view and an exploded perspective view of the panel transfer shuttle device according to an embodiment of the present invention, Figure 4 is an enlarged view of the portion A of Figure 2, a perspective view of the projection of the portion A, Figure 5 Side view of the panel transfer shuttle device according to an embodiment of the invention, Figure 6 is an exploded perspective view of the drive unit according to an embodiment of the present invention.

In the panel transfer shuttle device according to the embodiment of the present invention, as shown in FIGS. 2 and 3, first, the base frame unit 101 includes the base frame 103 and the front and rear mounting frames 105 and 107. It is composed of

The base frame 103 is mounted on the floor surface of the workplace in all directions, and the front and rear mounting frames 105 and 107 are mounted at predetermined intervals from the front and rear sides of the base frame 103, A third rack portion 109 is formed along the longitudinal direction on one side of the upper surface as a center.

On the front and rear mounting frames 105 and 107, the front and rear first transport frames 201 and 203 are disposed to face each other and are installed to slide in the left and right directions, respectively. The first rack portion 205 is formed along the longitudinal direction at the lower ends of the first transfer frames 201 and 203.

Here, the front and rear mounting frames 105 and 107 are formed with first slide grooves 111 in the longitudinal direction on both upper sides thereof, and the first slide grooves 111 and the front and rear first sides. The first guide means 110 is configured to guide the front and rear first transport frames 201 and 203 between the transport frames 201 and 203.

As illustrated in FIG. 4, the first guide means 110 may include the front and rear mounting frames 105 and 107 of the front and rear first transport frames 201 and 203. It consists of a plurality of lower guiders 113 mounted at predetermined intervals in the longitudinal direction corresponding to the first slide groove 111, and a plurality of lower guide rollers 115 mounted between the lower guiders 113, respectively. do.

Here, each of the lower guiders 113 is preferably made of an oilless plate bush.

In addition, a driving unit 120 is installed at one central side of the base frame 103, and the driving unit 120 includes at least one first pinion 133 meshed with each of the first legs 205. Each of the first transfer frames 201 and 203 is moved in the left and right directions by motor driving.

As shown in FIGS. 5 and 6, the driving unit 120 includes a driving motor 123 installed at an upper portion of the base frame 103 through a mounting bracket 121 at a central side thereof. The shaft coupling coupling 125 is mounted on the rotation shaft 122 of the motor 123.

The first gear means 130 is mounted at the center of rotation of the shaft coupling coupling 125 in correspondence with the front first transport frames 201, and the shaft coupling joint is mounted on the first gear means 130. One end of the connecting shaft 129 is mounted through 127.

Here, the first gear means 130 is composed of a first gear shaft 131 and two first pinions 133.

First, the first gear shaft 131 is rotatably installed at one of the front and rear sides of the front mounting frame 105, one end of which is mounted at the center of rotation of the shaft coupling coupling 125, and the other end thereof. Is mounted to one end of the connecting shaft 129 through the shaft connecting joint 127.

The two first pinions 133 are fitted to the first gear shaft 131 at the front and rear of the front mounting frame 105, and the first rack portions 205 of the front first transport frames 201 are mounted. Is matched with.

The other end of the connecting shaft 129 is mounted with the second gear means 135 through the shaft connecting joint 127 corresponding to the rear first conveying frames 203.

Here, the second gear means 135 is composed of a second gear shaft 137 and two first pinions 133.

First, the second gear shaft 137 is rotatably installed at one of the front and rear sides of the rear mounting frame 107, and one end thereof is connected to the other end of the connecting shaft 129 through the shaft connecting joint 127. Is mounted.

The two first pinions 133 are fitted to the second gear shaft 137 at the front and the rear of the rear mounting frame 107 and the first rack portions 205 of the rear first transfer frames 203. Is matched with.

Meanwhile, between the front and rear first transfer frames 201 and 203, front and rear second transfer frames 211 and 213 are installed to be slidably moved in the left and right directions. At each lower end of the second transfer frame 211 and 213, a second rack portion 215 is formed along the longitudinal direction.

Here, the front and rear second transfer frame (211, 213) is formed on the both sides of the second slide groove 217 along the longitudinal direction, respectively, the second slide groove 217 and the front, rear second The second guide unit 220 is configured to guide the front and rear second transfer frames 211 and 213 between the first transfer frames 201 and 203.

As illustrated in FIG. 4, the second guide unit 220 may include the front and rear second transfer frames 211 and 213 at upper portions of the front and rear first transfer frames 201 and 203. A plurality of upper guiders 221 mounted at predetermined intervals along the longitudinal direction corresponding to the second slide grooves 217 of the upper and lower guide guides 221 mounted between the upper guiders 221. do.

Here, each of the upper guiders 221 is preferably made of an oilless plate bush.

In addition, a second pinion 225 is formed at one end between the front and rear first transport frames 201 and 203 and receives the driving force of the driving unit 120 to transfer the front and rear second transports. The second rack portion 215 is engaged with the frames 211 and 213 in a horizontal direction.

Here, the third rack portion 109 of the front and rear mounting frame 105, 107 is disposed below the second pinion 225, is meshed with the second pinion 225, the front, rear As the first transport frame 201 and 203 are moved, the front and rear second transport frames 211 and 213 are moved in the same direction.

On the other hand, the stopper unit 230 is installed at both ends of the front and rear mounting frames 105 and 107, respectively, to limit the forward and backward movement of the front and rear first transport frames 201 and 203.

As shown in FIG. 2, each of the stopper units 230 includes a stopper body 231 mounted at both lower ends of the front and rear mounting frames 105 and 107, respectively. One side of the working cylinder 233 is hinged to one side.

One end of the stopper 235 is hinged to one end of the stopper body 231, and the rear end of the stopper 235 is hinged to the tip of the operation rod 237 of the operation cylinder 233.

In addition, four limit switches 240 are installed at the other side of the base frame 103 at predetermined intervals to switch to the driving unit 120 according to the movement positions of the front and rear first transfer frames 201 and 205. Apply a signal.

Therefore, the operation of the panel transfer shuttle device configured as described above, when the panel is loaded on each of the second song frame (211) (213), the limit switch 240 of the rightmost end of each of the limit switches 240 ) Applies a switching signal to the drive unit 120.

Then, the drive motor 123 of the drive unit 120 is rotated in the counterclockwise direction, the rotational force of each of the gear shafts (131, 137) of the first and second gear means (130, 135) The first pinion 133 is transmitted through the first pinion 133, and the first pinion 133 rotates in engagement with the first rack portions 205 of the front and rear first transfer frames 201 and 203. Thus, the front and rear first transfer frames 201 and 203 are slid to the left.

In this case, each of the lower guiders 111 and the lower guide rollers 113 of the first guide means 110 supports the first slide grooves 111 of the front and rear mounting frames 105 and 107 so that When the front and rear first transfer frames 201 and 203 are moved, the guide is performed so that shaking does not occur.

Meanwhile, when the front and rear first transport frames 201 and 203 slide to the left, the second pinion 225 has a lower portion of the front and rear mounting frames 105 and 107. Rotated in a state engaged with the third rack portion 109, the upper portion is rotated in a state engaged with the second rack portion 215 of the front and rear second transfer frame (211) (213), the front and rear The second transfer frames 211 and 213 are slid in the same direction as the front and rear first transfer frames 201 and 203.

In this case, each of the upper guiders 221 and the upper guide rollers 223 of the second guide means 220 are supported by the second slide grooves 217 of the front and rear second transfer frames 211 and 213. Thus, when the front and rear second transfer frames 211 and 213 move, guides are performed so that shaking does not occur.

Here, each of the limit switches 240 applies a switching signal to the driving unit 120 according to the moving position of the front and rear first transfer frames 201 and 203, and adjusts the driving force. The stopper unit 230 regulates the positions of the front and rear first transport frames 201 and 203 so as not to be separated from the base frame unit 101.

When the transfer of the panel is completed, the driving motor 123 of the driving unit 120 rotates clockwise to operate in the reverse direction to the above operation, returning to the initial state, and repeating the operation as described above. Panels are transferred between work processes.

Therefore, if the panel transfer shuttle device of the present invention is configured as described above, when the panel transfer between each work process of the body line, the panel is mounted on the shuttle device consisting of a rack and pinion driven by a motor drive. By carrying out the transfer, there is an advantage of transferring to the next step in the state of accurate positioning without the position accuracy and deformation of the panel during the short distance transfer.

In addition, by moving the panel using a stroke double type shuttle device driven by the rack and pinion by the motor drive workability in each process is improved, thereby increasing the productivity.

As mentioned above, although this invention was demonstrated by the limited embodiment and drawing, this invention is not limited by this and is given by the person of ordinary skill in the art to the following, Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

1 is a perspective view of a panel transfer shuttle apparatus according to the prior art.

2 is a perspective view of a panel transfer shuttle apparatus according to an embodiment of the present invention.

Figure 3 is an exploded perspective view of the panel transfer shuttle device according to an embodiment of the present invention.

4 is an enlarged view of a portion A of FIG. 2 and is a perspective view of the portion A. FIG.

5 is a side view of the panel transfer shuttle device according to an embodiment of the present invention.

6 is an exploded perspective view of a driving unit according to an embodiment of the present invention.

Claims (13)

In the panel transfer shuttle device for transferring the panel between each work process of the body line, A base frame unit composed of a base frame and front and rear mounting frames; A front and rear first transfer frame disposed on the front and rear mounting frames so as to be slidably moved in the left and right directions, each lower end having a first rack formed along a longitudinal direction thereof; A driving unit installed at a central side of the base frame and configured to have at least one first pinion engaged with each of the first rack parts to move the respective first transport frames in left and right directions by motor driving; A front and rear second transport frame provided between the front and rear first transport frames so as to be slidably moved in a left and right direction, and a second rack portion is formed at a lower end thereof in a length direction; A second part configured between one of the front and rear first transport frames and engaged with the second rack part to receive the driving force of the driving unit to move the front and rear second transport frames to the left and right directions; Pinion; Panel transfer shuttle device characterized in that consisting of. The method of claim 1, The base frame unit A base frame mounted on all sides of the workshop; The front and rear mounting frames are mounted on both sides of the upper surface of the base frame spaced apart by a predetermined interval, the front and rear mounting frame is formed in the longitudinal direction on one side of the upper surface centered around the center. The method of claim 2, The front and rear mounting frame First slide grooves are formed in the upper both sides along the longitudinal direction, and the first guide guides the front and rear first transport frames between the first slide grooves and the front and rear first transport frames. Panel transfer shuttle device characterized in that the means is configured. The method of claim 3, The first guide means A plurality of lower guiders mounted at predetermined intervals along the longitudinal direction of the front and rear first transport frames to correspond to the first slide grooves of the front and rear mounting frames; And a plurality of lower guide rollers mounted between the lower guiders. The method of claim 2, The third rack portion of the front and rear mounting frame The panel transfer shuttle device, characterized in that the meshed with the second pinion arranged in the lower portion of the second pinion. The method of claim 1, The front and rear second transport frame is Second slide means is formed on both sides of the second slide groove along the longitudinal direction, and guides the front and rear second transfer frames between the second slide grooves and the front and rear first transfer frames. Panel transfer shuttle device characterized in that the configuration. The method of claim 6, The second guide means A plurality of upper guiders mounted at predetermined intervals along their longitudinal directions corresponding to the second slide grooves of the front and rear second transport frames on respective inner upper portions of the front and rear first transport frames; An upper guide roller mounted between each upper guider; Panel transfer shuttle device characterized in that consisting of. The method of claim 1, The drive unit is A drive motor installed at an upper portion of the base frame through a mounting bracket at a central portion thereof; A shaft coupling coupling mounted to a rotation shaft of the drive motor; First gear means mounted to the center of rotation of the shaft coupling coupling corresponding to the front first transport frames; A connecting shaft mounted to the first gear means through a shaft connecting joint; And a second gear means mounted to the connecting shaft through the shaft connection joint in correspondence to the rear first transport frames. The method of claim 8, The first gear means First gear shafts rotatably installed at one of the front and rear sides of the front mounting frame, one end of which is mounted at the center of rotation of the shaft coupling coupling, and the other end of which is mounted at one end of the coupling shaft via a shaft coupling joint; And two first pinions engaged with the first rack portions of the front first transport frames in a state of being fitted to the first gear shaft in front and rear of the front mounting frame. The method of claim 8, The second gear means A second gear shaft rotatably installed at one of the front and rear sides of the rear mounting frame, the second gear shaft having one end mounted on the other end of the connecting shaft through a shaft connecting joint; And two first pinions engaged with the first rack portions of the rear first transport frames in a state of being fitted to the second gear shaft at the front and the rear of the rear mounting frame. The method of claim 1, And a stopper unit installed at both ends of the front and rear mounting frames to limit forward and backward movement of the front and rear first transport frames. The method of claim 11, Each stopper unit A stopper body mounted at both lower ends of the front and rear mounting frames; An operation cylinder hinged to one side of the stopper body; One side is hinged to the front end of the stopper body, the rear end is a stopper hinged to the operating rod front end of the working cylinder; Panel transfer shuttle device characterized in that consisting of. The method of claim 1, And a plurality of limit switches installed on the other side of the base frame to apply a switching signal to the driving unit.

Images