KR200259430Y1 - An apparatus for determining position of panel - Google Patents

Abstract

According to the present invention, the front and rear positioning rods provided with a cam follower and installed to be close to each of the front and rear of the panel conveyed by the conveyor roller, and the left and right sides of the panel are accessible. Left and right positioning rods disposed so as to be capable of being moved; A cam in which a groove for inserting and moving the cam follower is extended; A rod extending below the front and rear positioning rods, a cylindrical bearing into which the rod is liftably inserted therein, and a front and rear moving plate fixed to the cylindrical bearing and horizontally movable; A left and right moving plate having the left and right positioning rods fixed thereto; An X-axis air cylinder whose rod is connected to one of the front and rear moving plates, and a Y-axis air cylinder whose rod is connected to one of the left and right moving plates; A pair of parallel X-direction rack gear members respectively connected to the front and rear moving plates, and a pair of parallel Y-axis rack gear members respectively connected to the left and right moving plates; An upper pinion gear meshed with the X-axis rack gear member and a lower pinion gear meshed with the Y-axis rack gear member are provided.

Description

An apparatus for determining position of panel

The present invention relates to a panel positioning device, and more particularly, to a positioning device for positioning by stopping the panel for work in a specific position while being transported through the conveyor.

In general, a color cathode ray tube is inserted into a panel having a fluorescent film formed therein, a funnel connected to the panel, a shadow mask frame assembly installed inside the panel, and a neck portion of the funnel. And an electron gun. Panels and funnels are manufactured separately from glass materials and are welded to each other in a subsequent process, which involves various processes such as forming a fluorescent film inside the panel and installing a shadow mask frame assembly. The panel can be conveyed through various conveying means, one of which is a roller conveyor. The panel is transported by a roller conveyor, and then stopped at a predetermined position by the positioning device to undergo a predetermined process.

1 to 3 show a front view, a side view, and a plan view of a conventional positioning device for a panel.

Referring to FIG. 1, the panel 11 indicated by the imaginary line is conveyed while being placed on top of the conveyor roller 12. The transfer is from right to left. In order to stop the panel 11 and determine the position, positioning rods 13 are disposed in front and rear of the conveying direction, and positioning rods 15 are disposed in the transverse direction of the conveying direction. The positioning rods 13 and 15 contact the four sides of the panel 11 to stop the panel at a predetermined position.

The positioning rods 13 to be in contact with the front and rear sides of the panel 11 are lifted and reciprocated. The lifting motion of the positioning rod 13 is for preventing the panel 11 from advancing on the conveyor roller 12. That is, the positioning rod 13 must rise above the height of the conveyor roller 12 in order to perform the positioning action in contact with the panel 11, but in order to allow the advance of the panel 11, the conveyor roller 12 Descend below the height of).

The positioning rod 13 is attached to the moving plate 21 arrange | positioned at the front and back of the panel 11, respectively. The moving plate 21 is installed to reciprocate along the guide 15. The lifting cylinder 14 is provided on the moving plate 21, and the positioning rod 13 can be lifted and lifted by the action of the lifting cylinder 14.

The moving plate 21 arranged in front of the panel 11 can be reciprocated by the X-axis air cylinder 16. The rod of the X axial air cylinder 16 is connected to the moving plate 21 via a connector 17. On the other hand, the moving plate 21 disposed behind the panel 11 can reciprocate together with the front moving plate 21 by the rack and pinion mechanism to be described later. Thus, the positioning rods 13 located at the front and rear of the panel 11 simultaneously approach or move away from the panel 11. In FIG. 1, the reference numeral 18 denotes a Y-axis air cylinder, and the reference numeral 22 denotes a moving plate reciprocated by the operation of the Y-axis air cylinder 18.

2, the positioning rod 15 which comes into contact with the side surface of the panel 11 is provided on the moving plate 22. As shown in FIG. The moving plate 22 is guided reciprocating by the guide 31. The rod of the Y axial air cylinder 18 is connected via a connector 29 to the moving plate 22 of the positioning rod 15 located on the right side in FIG. 2. By the rack and pinion mechanism 31 to be described later, when the Y-axis air cylinder 18 reciprocates the moving plate 22 located on the right side, the moving plate 22 located on the left side also moves. Thus, the positioning rods 15 on the left and right sides may approach or move away from the panel 11 at the same time.

Referring to FIG. 3, it can be seen that the moving plates 21 are disposed in front and rear of the conveying direction of the panel 11, respectively, and the moving plates 22 are disposed on the left and right sides of the panel 11, respectively. On the other hand, the pinion gear 25 is arranged in the middle portion, which is two pinions can be rotated as a separate, overlapping up and down. The rack gear member 23 engaged with the upper pinion gear is connected to the front and rear moving plate 21, and the rack gear member 24 engaged with the lower pinion gear is connected to the moving plate 22 on the left and right sides. Thus, when the air cylinders 16 and 18 shown in Figs. 1 and 2 reciprocate the forward and right moving plates 21 and 22, such movement is carried out rearward and through the rack and pinion mechanism 31, The moving plates 21 and 22 on the left side can be reciprocated simultaneously.

The conventional panel positioning device described above has the disadvantage that the processing of wiring and piping is complicated because at least three air cylinders must be employed. In addition, there is a problem that the wiring and the pipes are likely to break due to friction with the structure, and in particular, when the panel made of glass is broken, the possibility of breaking the wiring pipe having a complicated configuration increases.

The present invention has been made to solve the above problems, an object of the present invention is to provide a panel positioning device with a simplified structure.

1 is a front view of a conventional panel positioning device.

2 is a side view of FIG. 1;

3 is a plan view of FIG.

4 is a front view of a panel positioning device according to the present invention.

5 is a side view of FIG. 4.

6 is a plan view of FIG. 4.

FIG. 7 is a side view as viewed in the direction of arrow A shown in FIG. 4; FIG.

8 is a schematic exploded perspective view of the rack and pinion mechanism provided in the panel positioning device according to the present invention.

<Brief Description of Major Codes in Drawings>

11. Panel 12. Conveyor Roller

13. Positioning rod 15. Positioning rod

14.16.18. Air Cylinder 42. Conveyor Roller

52.61. Air Cylinder 80. Rack and Pinion Mechanism

45. Cam 46. Cam follower

47. Cylindrical bearing 48. Rod

In order to achieve the above object, according to the present invention, the front and rear positioning rod having a cam follower and installed to be close to each of the front and rear of the panel conveyed by the conveyor roller, Left and right positioning rods arranged to access the left and right sides; A cam in which a groove for inserting and moving the cam follower is extended; A rod extending below the front and rear positioning rods, a cylindrical bearing into which the rod is liftably inserted therein, and a front and rear moving plate fixed to the cylindrical bearing and horizontally movable; A left and right moving plate having the left and right positioning rods fixed thereto; An X-axis air cylinder whose rod is connected to one of the front and rear moving plates, and a Y-axis air cylinder whose rod is connected to one of the left and right moving plates; A pair of parallel X-direction rack gear members respectively connected to the front and rear moving plates, and a pair of parallel Y-axis rack gear members respectively connected to the left and right moving plates; An upper pinion gear meshed with the X-axis rack gear member and a lower pinion gear meshed with the Y-axis rack gear member are provided.

According to one feature of the present invention, the upper pinion gear and the lower pinion gear are installed to rotate independently on the same axis.

According to another feature of the present invention, an idle roller is further provided to maintain the X-axis rack gear member and the Y-axis rack gear member in engagement with the upper pinion gear and the lower pinion gear.

According to another feature of the present invention, the cam consists of a horizontally extending portion and an inclinedly extending portion, the front and rear positioning rods are elevated by moving the cam follower along the inclined portion.

According to another feature of the present invention, the movement in which the front and rear positioning rods are close to or spaced from the panel, and the movement in which the left and right positioning rods are close to or spaced from the panel are substantially Is done simultaneously.

Hereinafter, the present invention will be described in more detail with reference to an embodiment shown in the accompanying drawings.

4 to 6 are front, side and plan views of the panel positioning apparatus according to the present invention.

Referring to FIG. 4, the panel 11 is transported on the conveyor roller 42. In the figure, the panel 11 is transferred from the left to the right direction. In front of and behind the panel 11, positioning rods 43 which can be moved to be in contact with the front and rear of the panel 11 are provided. The positioning rod 43 may move to the position indicated by reference numeral 43 'and contact the front and rear surfaces of the panel 11, and may return away from it to its original position. The positioning rod 43 can rise to a predetermined height during movement, which is made by the cam mechanism to be described later.

A rod 48 extends from the bottom of the positioning rod 43, which rod 48 is inserted into the cylindrical bearing 47. Accordingly, when the positioning rod 43 is raised or lowered, the guide operation is performed by the rod 48 being raised or lowered in the cylindrical bearing 47. The cylindrical bearing 47 is fixed to the moving plate 49, and the moving plate 49 may be guided by the guide 55 to reciprocate back and forth.

On the other hand, the cam follower 46 is provided in the positioning rod 43. The cam follower 46 moves along the cam 45. The cam follower 46, which may be formed by a protruding protrusion or roller, is inserted into the cam 45 formed in the shape of a groove. The cam 45 has a horizontally extending portion and an inclined portion as shown in the figure. Therefore, when the cam follower 46 passes the inclined portion of the cam 45, the positioning rod 43 is raised or lowered, and when the cam follower 46 passes through the horizontally extending portion of the cam 45, the positioning rod 43 43 may approach or be spaced apart from the side surface of panel 11. Reference numeral 43 'denotes a positioning rod in contact with the panel 11.

On the other hand, the rod of the X-axis direction cylinder 52 is connected to the moving plate 49 arrange | positioned in front of the panel 11. X-axis cylinder 52 provides power to reciprocate the moving plate 49. That is, the movement plate 49 reciprocates by the action of the X-axis air cylinder 52, whereby the positioning rod 43 faces the panel 11 such that the positioning rod 43 contacts the side surface of the panel 11. Close to or away from it. At this time, the positioning rod 43 is raised or lowered by the interaction of the cam 45 and the cam follower 46, and the lifting and lowering of the positioning rod 43 is performed by the rod 48 in the cylindrical bearing 47. ) Is guided by lifting.

On the other hand, the reciprocating motion of the moving plate 49 arranged in front of the panel 11 occurs simultaneously with the reciprocating motion of the moving plate 49 arranged behind the panel 11. This is done by the rack and pinion mechanism 80, which will be described in more detail later. In FIG. 1 the rack gear member 51 is shown connected to the front and rear moving plates 49, respectively.

Referring to FIG. 5, there is shown a positioning rod 67 installed in contact with the left and right sides of the panel 11. The positioning rod 67 may move toward, contact with, or disengage from the side surface of the panel 11.

In FIG. 5, the positioning rod 67 located on the left side of the panel 11 can be moved by the Y-axis air cylinder 61. That is, the Y axial air cylinder 61 provides power for moving the positioning rod 67. The positioning rod 67 is installed on the moving plate 63, and the moving plate 63 may be guided along the guide 64 to reciprocate. The rod of the Y-axis air cylinder 61 is connected to the moving plate 49 through the connector 62, and is capable of reciprocating the moving plate 49 by the power of the air cylinder 61. Meanwhile, in Fig. 5, the positioning rod 67 on the left side of the panel 11 reciprocates with the power of the air cylinder 61, and the positioning rod 67 on the right side of the panel 11 is also present. It may approach or be spaced from the side surface of the panel 11. This action can be achieved by the rack and pinion mechanism 80 mentioned above, which will be described in more detail later. In FIG. 5, the rack gear member 64 extending in the Y axis direction is connected to the left and right moving plates 63.

FIG. 6 is a plan view of FIG. 4. Referring to the drawings, it can be seen that the frame 65 of the positioning device is provided, and the X axis direction air cylinder 52 and the Y axis direction air cylinder 61 are respectively provided thereunder. In addition, it can be seen that the moving plates 49 and 63 are disposed below the frame 65 and the positioning rods 43 and 67 extend upward through the through part of the frame 65.

In FIG. 6, pinion gears 81 and 82 are rotatably installed at the center of the frame 65. The pinion gears 81 and 82 are installed so as to overlap on the same axis. The rack gear members 51 and 65 are installed in engagement with the pinion gears 81 and 82, and as described above, the rack gear members 51 and 65 are provided with the front and rear movement plates 49 and the left and right movement plates 63. Respectively). Designated by reference numerals 83 and 84 are idle rollers that hold the rack gear members pressed to each of the pinions.

8 is a perspective view schematically showing the rack and pinion mechanism 80 mentioned above. Referring to FIG. 8, the pinion gear is rotatably installed on an axis of rotation in which the upper pinion gear 81 and the lower pinion gear 82 are not shown. The upper pinion gear 81 and the lower pinion gear 82 rotate separately.

The pair of rack gear members 51 extending in parallel in the X axis direction are engaged with the upper pinion gear 81, and the pair of rack gear members 65 extending in parallel in the Y axis direction are in the lower pinion gear 82. Meshes against. Idle rollers 83 and 84 assist each rack member 51 to be held relative to pinions 81 and 82.

From the description with reference to FIGS. 4, 5 and 8, the mechanism by which the positioning rods are simultaneously moved can be understood. When the air cylinder 52 in the X-axis direction shown in FIG. 5 reciprocates the front moving plate 49, the rack gear member 51 having one end fixed to the front moving plate 49 also moves together. This causes the upper pinion gear 81 to rotate. Rotation of the upper pinion gear 81 causes the other X-axis rack gear member 51 engaged therewith to reciprocate in the X-axis direction, thereby causing the movable plate 49 behind the panel to also reciprocate.

Similarly, the operation of the Y-axis air cylinder 61 shown in FIG. 5 causes the Y-axis rack gear member 65 to reciprocately connected to the moving plate 63 disposed on the left side of the panel 11, and such a reciprocation. The movement allows the moving plate 63 on the right side of the panel 11 to move simultaneously by reciprocating the other rack gear member 65 through the lower pinion gear 82 shown in FIG. 8.

7 is a side view seen in the direction indicated by arrow A in FIG. 4. In FIG. 7, it can be seen that the two positioning rods 43 are connected to each other by the connecting member 71.

Hereinafter, the operation of the panel positioning device according to the present invention will be described schematically with reference to the drawings.

The panel 11 is conveyed while being placed on the conveyor roller 42. When the panel 11 comes to the top of the positioning device, the movable plate 49 in front of the panel 11 is moved by the contraction of the X-axis air cylinder 52, whereby the positioning rod 43 You will move towards this panel. At this time, since the cam follower 46 moves along the cam 45, the positioning rod 43 is raised. On the other hand, the positioning rod 43 disposed behind the panel 11 by the rack and pinion mechanism 80 described above also approaches the panel 11 at the same time. In addition, when the Y-axis air cylinder 61 is contracted, the positioning rod 67 on the left side of the panel 11 comes closer toward the panel 11, and the action of the rack and pinion mechanism 80 described above. As a result, the positioning rod 67 on the right side of the panel 11 also comes close to the panel 11.

When the positioning rods 43 and 67 come into close contact with the panel 11 as described above, the panel 11 may be stopped at a predetermined position. The panel 11 is moved by the conveyor roller 42 again after receiving a predetermined machining operation at the position. The positioning rods 43, 67 should then be spaced apart from the panel 11, which is caused by the expansion of the air cylinders 52, 61 and the reverse action of the rack and pinion mechanism 80. When the positioning rod 43 is lowered, it does not interfere with the advancement of the panel 11.

The panel positioning device according to the present invention can perform positioning work using only two air cylinders, thereby simplifying the device configuration and thus reducing the possibility of failure. Therefore, there is an advantage in that the life of the device is extended and the manufacturing cost and operating cost of the device are reduced.

Although the present invention has been described with reference to one embodiment shown in the accompanying drawings, it is merely exemplary and various modifications and equivalent other embodiments are possible for those skilled in the art. Will understand. Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

Claims (5)

It is installed to be close to each of the front and rear of the panel conveyed by the conveyor roller, and is arranged to be accessible to the front and rear positioning rods having cam followers and to the left and right sides of the panel. Left and right positioning rods; A cam in which a groove for inserting and moving the cam follower is extended; A rod extending below the front and rear positioning rods, a cylindrical bearing into which the rod is liftably inserted therein, and a front and rear moving plate fixed to the cylindrical bearing and horizontally movable; A left and right moving plate having the left and right positioning rods fixed thereto; An X-axis air cylinder whose rod is connected to one of the front and rear moving plates, and a Y-axis air cylinder whose rod is connected to one of the left and right moving plates; A pair of parallel X-direction rack gear members respectively connected to the front and rear moving plates, and a pair of parallel Y-axis rack gear members respectively connected to the left and right moving plates; And an upper pinion gear meshed with the X-axis rack gear member and a lower pinion gear meshed with the Y-axis rack gear member. The method of claim 1, And the upper pinion gear and the lower pinion gear are installed to rotate independently on the same axis. The method of claim 1, And an idle roller so as to keep the X-axis rack gear member and the Y-axis rack gear member engaged with the upper pinion gear and the lower pinion gear angles. The method of claim 1, The cam includes a horizontally extending portion and an obliquely extending portion, wherein the front and rear positioning rods are lifted by moving the cam follower along the inclined portion. The method of claim 1, The movement of the front and rear positioning rods approaching or spaced apart from the panel and the movement of the left and right positioning rods approaching or spaced from the panel substantially simultaneously. Positioning device.