TW202142822A - Plate conveying apparatus capable of enhancing the conveying efficiency - Google Patents

Abstract

Disclosed is a plate conveying apparatus suitable for being matched up with a plate frame overturn apparatus to convey plates. The plate frame overturn apparatus includes a sprocket transmission mechanism and a plurality of plate frames disposed on the sprocket transmission mechanism, wherein the plate frames are disposed to the sprocket transmission mechanism in a manner of surrounding up and down, and each of the plate frames includes a pair of side arms and a plurality of pairs of supporting members disposed to the side arms and capable of supporting the plates. The plate conveying apparatus includes a basal plate and a conveying unit. The conveying unit includes a pair of conveying shells, a plurality of pairs of conveying wheels respectively and rotatably disposed to the conveying shells, a driving rod rotatably penetrating the conveying shells and driving the conveying wheels and a first motor connected with the driving rod. Each of the conveying shells is provided with a first end away from the plate frame overturn apparatus and a second end opposite to the first end. The first motor is capable of driving the driving rod to rotate to drive the pairs of conveying wheels to rotate so as to convey the plates from the first end to the second end, wherein the distance from the second end to the sprocket transmission mechanism is smaller than the lengths of the side arms.

Description

Plate conveying device

The invention relates to a conveying device, in particular to a plate conveying device.

In the process of making printed circuit boards, it is ultimately necessary to dry the printed materials on the circuit boards through a drying operation. In the current existing technology, a horizontal conveying device is used to transport the circuit boards to the In the oven, a traction device is used to transfer the circuit board from the conveying device to a sprocket transmission device that can move circularly. The hanging form is driven by the sprocket drive to perform baking operations in the oven. However, before the circuit board enters the oven for baking, the circuit board needs to be transferred from the conveying device to the sprocket transmission device by the traction device, so that the overall efficiency is reduced, and there is still room for improvement.

Therefore, one of the objectives of the present invention is to provide a plate conveying device that improves conveying efficiency.

Therefore, the plate conveying device of the present invention is suitable for cooperating with a plate rack turning device to convey a plate. The plate rack turning device includes a sprocket transmission mechanism and a plurality of plate racks arranged on the sprocket transmission mechanism. Plate racks are arranged on the sprocket transmission mechanism up and down along the conveying direction, and each plate rack includes a mounting arm provided on the sprocket transmission mechanism, and a pair of mounting arms are respectively arranged in a direction away from the sprocket transmission mechanism The extended side arms and a plurality of pairs of support members that are arranged at intervals on the side arms and extend opposite to each other can support the plate. The plate conveying device includes a substrate; and a conveying unit including a pair of conveying housings spaced apart from each other , Multiple pairs of conveying wheels respectively rotatably arranged on the conveying housings, a driving rod rotatably passing through the conveying housings and driving the conveying wheels, and a first driving rod for driving the driving rod to rotate Motor, each conveying shell extends along a conveying direction toward the pallet turning device, and has a first end away from the pallet turning device and a second end that is opposite to the first end and adjacent to the pallet turning device At the end, the first motor can drive the drive rod to rotate to drive the pair of conveying wheels to rotate, so as to convey the plate from the first end to the second end. Each conveying wheel has a suitable for holding the For the inclined surface of the plate, the distance between the second end and the sprocket transmission mechanism is smaller than the length of the side arms.

In some embodiments, the substrate includes a plate body and at least a pair of track members extending along a left-right direction perpendicular to the conveying direction and spaced apart from each other, and the conveying unit further includes a pair of movably disposed on the pair of rails. The sliding seat of the rail member, the pair of sliding seats are respectively fixedly connected to the pair of conveying shells.

In some embodiments, the conveying unit further includes a screw that rotatably penetrates the conveying housings and is spaced from the drive rod, and a second motor for driving the screw to rotate. The second motor can The screw is driven to rotate so that the conveying shells move toward or opposite to each other, and the distance between the conveying shells is adjusted.

In some embodiments, the conveying unit further includes a pair of anti-collision sheets pivoted on the pair of conveying housings and a pair of micro switches respectively disposed on the conveying housing above the pair of anti-collision sheets, each The anti-collision sheet can pivot toward the micro switch to contact the micro switch.

In some embodiments, it further includes at least one first sensing element disposed between the pair of conveying shells and adjacent to the plate rack turning device for detecting whether the plate is located at the second end.

In some embodiments, it further includes a second sensing element disposed between the pair of conveying shells and adjacent to the first end to detect whether the plate is located at the first end.

The present invention has at least the following effects: the distance between the second end and the sprocket transmission mechanism is smaller than the length of the side arms, so that after the plate is transported from the first end to the second end, the plate frame is turned over The plate racks of the device can remove the plate from the plate conveying device during the upward rotation process, which can increase the conveying efficiency, and there is no need to provide an additional traction device to remove the plate from the plate conveying device Transfer to the plate rack turning device, reducing component settings and reducing development and manufacturing costs.

1 to 3, one embodiment of the plate conveying device of the present invention is suitable for cooperating with a plate rack turning device 1 to convey a plate 2 into an oven (not shown) for baking operation, the plate 2 It can be, for example, a printed circuit board. The plate rack turning device 1 includes a sprocket transmission mechanism 11 and a plurality of plate racks 12 arranged on the sprocket transmission mechanism 11, and the plate racks 12 are arranged on the sprocket transmission mechanism up and down along the conveying direction D1. 11. Each plate frame 12 includes a mounting arm 121 disposed on the sprocket transmission mechanism 11, a pair of side arms 122 respectively disposed on the mounting arm 121 and extending away from the sprocket transmission mechanism 11, and a plurality of pairs of spacers The supporting members 123 which are disposed on the side arms 122 and extend opposite to each other can support the plate 2. The sprocket transmission mechanism 11 can drive the plate frames 12 to move up and down in a circular motion. Among them, only a part of the plate rack turning device 1 is shown as an illustration. The board conveying device includes a substrate 3, a conveying unit 4, two first sensing elements 5 and a second sensing element 6.

The base plate 3 extends along a left-right direction D2, and includes a rectangular plate 31 and two pairs of rail members 32 extending along the left-right direction D2 and spaced apart from each other. The rail members 32 are roughly located on the plate body. The four corners of 31. Among them, the number of rail members 32 is not limited to two pairs, as long as there is at least one pair.

The conveying unit 4 includes a pair of conveying housings 41 spaced apart from each other, a plurality of pairs of conveying wheels 42 respectively rotatably disposed on the conveying housings 41, and a pair of sliding seats 43 movably disposed on the pairs of rail members 32. , A driving rod 44 rotatably penetrates the conveying shells 41 and drives the conveying wheels 42, a first motor 45 for driving the driving rod 44 to rotate, and a pair of conveying shells rotatably penetrates Body 41 and a screw 46 spaced from the drive rod 44, a second motor 47 for driving the screw 46 to rotate, a pair of anti-collision plates 48 pivoted to the pair of conveying housings 41, and a pair of The micro switch 49 is located above the pair of anti-collision sheets 48 on the conveying housing 41. The pair of conveying shells 41 are respectively fixed above the pair of sliding seats 43 and extend along a conveying direction D1 perpendicular to the left-right direction D2. Each conveying shell 41 has a first end 411 away from the plate rack turning device 1, a second end 412 opposite to the first end 411 and adjacent to the plate rack turning device 1, an inner side surface 413, and an inner side surface 413 opposite to the first end 411. The distance between the second end 412 and the sprocket transmission mechanism 11 of the outer side 414 of the inner side 413 is smaller than the length of the side arms 122. The pairs of conveying wheels 42 are respectively disposed on the outer side surfaces 414 of the pair of conveying housings 41. Each conveying wheel 42 has an inclined surface 421 suitable for supporting the plate 2 and the pair of inclined surfaces 421 and the plate The level of the contact point of 2 is greater than that of the pairs of conveying housings 41, so that the plate 2 is spaced from the pairs of conveying housings 41 during the conveying process, and the inclined surface 421 can prevent the plate 2 from being conveyed. It is not easy to sway in the left and right direction D2 during the process, because the pairs of inclined surfaces 421 can respectively give the two sides of the plate 2 a positive force toward the inside, and by the design of the inclined surfaces 421, the plate 2 and the When the pair of conveying wheels 42 only use point contact to actively reduce the contact surface, the unbaked ink on the plate 2 will not be contaminated with other components. That is, the plate conveying device of the present invention is particularly suitable for printing with more ink on the conveying surface. Circuit board. The pairs of conveying wheels 42 have a gap between each other, so that when the plate racks 12 of the plate rack turning device 1 are turned up, the supporting members 123 can pass through the gap without hitting the pair of conveying wheels 42 and causing damage. And by these inclined surfaces. Wherein, the pair of conveying wheels can also be arranged on the inner side of the pair of conveying shells in other embodiments, and it is not limited to the aspect of this embodiment.

1, 4 and 5, the driving rod 44 is a hexagonal column rod, which is provided by a pair of chains or belts (not shown) in the pair of conveying housings 41 and the pairs of conveying wheels 42 In conjunction, the first motor 45 can drive the driving rod 44 to rotate to drive the pair of conveying wheels 42 to rotate synchronously, so as to convey the plate 2 from the first end 411 to the second end 412. The screw 46 has a pair of threaded sections 461 respectively penetrating the pair of conveying housings 41 and a joint section 462 connecting the two ends of the threaded sections 461 respectively. The threaded directions of the threaded sections 461 are opposite to each other, and the joint section 462 It can be, for example, a universal joint. The second motor 47 can drive the screw 46 to rotate, and the threaded sections 461 push the conveying housing 41 and the pair of sliding seats 43 to move toward or opposite to each other along the pair of rails 32, thereby adjusting the The distance between the conveying shells 41 is equal. Each anti-collision sheet 48 is roughly T-shaped, and its length in the left-right direction D2 is slightly larger than the length of each conveying housing 41 plus each conveying wheel 42 in the left-right direction D2. The pair of anti-collision sheets 48 and The pair of micro switches 49 are used as a protection and foolproof mechanism when adjusting the distance between the conveying shells 41. Under normal circumstances, the distance between the side arms 122 of each plate frame 12 is greater than the farthest distance of the pair of anti-collision sheets 48 in the left-right direction D2, so that the plate frames 12 move up and down in a circular motion During the process, it will not interfere with the pair of anti-collision sheets 48 and hit the pair of anti-collision sheets 48. However, when the distance between the conveying shells 41 is improperly adjusted so that the distance between the side arms 122 of each plate frame 12 is less than the farthest distance of the pair of anti-collision sheets 48 in the left-right direction D2, the The side arms 122 of the waiting plate 12 will hit the pair of anti-collision sheets 48 during the up and down movement, causing the pair of anti-collision sheets 48 to pivot upward to contact the micro switch 49, and the micro switch 49 When pressed, the plate conveying device and the plate rack turning device 1 of the present invention will stop operating, preventing the side arms 122 of the plate rack 12 from hitting the pair of conveying wheels 42 and causing damage.

The first sensing elements 5 are respectively arranged along the conveying direction D1 between the pair of conveying shells 41 and adjacent to the plate rack turning device 1 to detect whether the plate 2 is located at the second end 412 . In this embodiment, the first sensing elements 5 are arranged on an extension plate 40 connected to one of the conveying housings 41 in an L shape, but not limited to this, as long as they can be arranged on the pair of conveying housings 41 Just in between. The second sensor 6 is disposed between the pair of conveying shells 41 and adjacent to the first end 411 to detect whether the plate 2 is located at the first end 411. In this embodiment, the second sensing element 6 is disposed on one of the conveying housings 41 by an L-shaped sheet, but it is not limited to this, as long as it can be disposed between the pair of conveying housings 41. Can.

1 to 3, the following describes the process of conveying the plate 2 by the plate conveying device of the present invention: when the plate 2 enters the plate conveying device, the second sensing element 6 detects the plate 2 Located at the first end 411 of the pair of conveying shells 41, the first motor drives the drive shaft to rotate, and then drives the pair of conveying wheels 42 to rotate, so that the plate 2 is moved toward the plate along the conveying direction D1. The rack turning device 1 moves. When the plate 2 moves closer to the second end 412, the first sensing element 5 farther from the sprocket transmission mechanism 11 will first detect the plate 2, and drive the first motor 45 to reduce the rotation speed. The moving speed of the plate 2 decreases. When the first sensing member 5 closer to the sprocket transmission mechanism 11 detects the plate 2, it will drive the first motor 45 to stop, so that the plate 2 stays at Adjacent to the second end 412, when the plate frame 12 of the plate frame turning device 1 rotates upwards, the plate 2 can be taken away from the plate conveying device, thus completing the plate conveying device of the present invention to convey the plate. 2 process. It should be noted that in other embodiments, the number of the first sensing element 5 can also be provided only one, and it is not limited to the aspect of this embodiment, that is, the first sensing element 5 detects the board. In case of step 2, the first motor 45 is directly driven to stop, and the deceleration step is omitted.

In summary, the plate conveying device of the present invention uses the distance between the second end 412 and the sprocket drive mechanism 11 to be smaller than the length of the side arms 122, so that the plate 2 is conveyed from the first end 411 to the After the second end 412, the plate racks 12 of the plate rack turning device 1 can be removed and separated from the plate conveying device during the upward rotation process, which can increase the conveying efficiency and does not require additional installation A traction device (not shown in the figure) transfers the plate 2 from the plate conveying device to the plate rack turning device 1 to reduce the number of components and reduce the development and manufacturing costs. Therefore, the purpose of the invention can be achieved.

However, the above are only examples of the present invention, and should not be used to limit the scope of implementation of the present invention, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to This invention patent covers the scope.

1: Plate rack turning device 11: Sprocket drive mechanism 12: Plate rack 121: Mounting arm 122: side arm 123: Support 13: Drive motor 2: plate 3: substrate 31: Board body 32: Rail parts 4: Conveying unit 41: Conveying shell 411: first end 412: second end 413: inside 414: Outer Side 42: Conveyor wheel 421: Inclined Surface 43: sliding seat 44: drive rod 45: The first motor 46: Screw 461: thread section 462: Joining Section 47: second motor 48: Anti-collision film 49: Micro switch 40: Extension board 5: The first sensor 6: The second sensor D1: Conveying direction D2: Left and right direction

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a perspective view of an embodiment of the plate conveying device of the present invention and a plate rack turning device; Figure 2 is a top view of the embodiment and the plate rack turning device; Figure 3 is a front view of this embodiment; Figure 4 is a bottom view of this embodiment; and Figure 5 is a side view of this embodiment.

1: Plate rack turning device

11: Sprocket drive mechanism

12: Plate rack

121: Mounting arm

122: side arm

123: Support

13: Drive motor

2: plate

3: substrate

31: Board body

32: Rail parts

4: Conveying unit

41: Conveying shell

411: first end

412: second end

413: inside

414: Outer Side

42: Conveyor wheel

421: Inclined Surface

43: sliding seat

44: drive rod

45: The first motor

46: Screw

461: thread section

462: Joining Section

47: second motor

48: Anti-collision film

40: Extension board

5: The first sensor

6: The second sensor

D1: Conveying direction

D2: Left and right direction

Claims (6)

A plate conveying device is suitable for cooperating with a plate rack turning device to convey a plate. The plate rack turning device includes a sprocket transmission mechanism and a plurality of plate racks arranged on the sprocket transmission mechanism, the plate racks The sprocket transmission mechanism is arranged along the upper and lower sides, and each plate frame includes a pair of side arms extending in a direction away from the sprocket transmission mechanism and a plurality of pairs of side arms arranged at intervals and extending opposite to each other to support the plate The supporting part of the piece, the plate conveying device includes: A substrate; and A conveying unit includes a pair of conveying housings spaced apart from each other, a plurality of pairs of conveying wheels respectively rotatably arranged on the conveying housings, and a drive that rotatably penetrates the conveying housings and drives the conveying wheels Rod and a first motor for driving the driving rod to rotate, each conveying shell extends toward the plate rack turning device along a conveying direction, and has a first end away from the plate rack turning device and a first end opposite to The first end is adjacent to the second end of the plate rack turning device, and the first motor can drive the drive rod to rotate to drive the pair of conveying wheels to rotate, so as to convey the plate from the first end to the second At the end, each conveying wheel has an inclined surface suitable for supporting the plate, and the distance between the second end and the sprocket transmission mechanism is less than the length of the side arms. The plate conveying device according to claim 1, wherein the substrate includes a plate body and at least a pair of rails extending along a left and right direction perpendicular to the conveying direction and spaced apart from each other, and the conveying unit further includes a pair of The sliding seats are movably arranged on the pair of rails, and the pair of sliding seats are respectively fixedly connected to the pair of conveying shells. The plate conveying device according to claim 2, wherein the conveying unit further includes a screw rotatably penetrating the pair of conveying housings and spaced from the drive rod, and a second screw for driving the screw to rotate. A motor, the second motor can drive the screw to rotate to make the conveying shells move toward or in the opposite direction, and adjust the distance between the conveying shells. The plate conveying device according to claim 2, wherein the conveying unit further includes a pair of anti-collision sheets pivoted to the pair of conveying shells, and a pair of anti-collision sheets respectively arranged on the conveying shell and located on the pair of anti-collision sheets. For the upper micro switch, each anti-collision sheet can pivot toward the micro switch to contact the micro switch. The plate conveying device according to claim 1, further comprising at least one first sensing element arranged between the pair of conveying shells and adjacent to the plate rack turning device for detecting whether the plate is located on the first Two ends. The plate conveying device according to claim 1, further comprising a second sensing element arranged between the pair of conveying shells and adjacent to the first end to detect whether the plate is located at the first end .

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