TWI773590B - Bulk plate carrier for tunnel oven - Google Patents

Abstract

The invention provides a batch plate carrier device for a tunnel oven, comprising a baking transmission line defining a plate feeding direction and a resetting direction, the baking transmission line supporting a plurality of frames, a tie rod inside the oven, and A plurality of one-way braking parts are formed at intervals on the pull rod, wherein the baking transmission line includes a pair of guide rails in the oven extending through the oven, each frame is supported on the pair of guide rails in the oven, and the pull rod is fed along the plate When moving in the direction, each of the frames is driven to move through each of the one-way braking parts, and when the pull rod moves along the reset direction, each of the one-way braking parts eliminates driving the frames to move, thereby improving the need for a traditional plate frame. The problem of relying on chains or walking beams for bulk transfers.

Description

Bulk plate carrier for tunnel oven

The present invention relates to a tunnel oven for baking panels, in particular to a technology capable of carrying multiple panels in a step-by-step manner in the oven. The present invention provides a batch panel carrier device for a tunnel oven.

Generally, in the production process of printed circuit substrates or various types of carrier boards (hereinafter referred to as boards), a baking process is included after the boards are coated with ink. It is known that a tunnel oven has been widely used in the industry at present to perform mobile baking processing on plates.

A known tunnel oven may include a plurality of chambers in series, including a static section, a baking section with at least one temperature control condition, and a drying section, and each chamber of the tunnel oven is connected in series. There is also a plate transmission element installed between them, which can successively carry multiple plates into the oven in a step-by-step manner, or a batch of multiple-piece batches, and sequentially pass the static and baking methods. As well as drying and other box rooms, and finally removed from the oven.

When the board is carried in a step-by-step manner, the transmission element usually uses a chain that can move in circles, and the spaced locks on the chain hold a plurality of pallets for holding the board, And the plate rack is equipped with a plurality of plate clamps, and the plate clamps are used to clamp the plate parts, so that the plate parts can enter and exit the oven in a hanging manner; Friction tends to generate a large amount of iron filings. Currently, in the baking process of boards requiring higher dust-free quality, it has been gradually replaced by another walking beam that can transfer multiple boards in batches.

In other words, when a walking beam is used as a transmission element for carrying panels into and out of the oven, it can be operated in batches through the interactive transposition operation of up, down and horizontal movement between multiple walking beams. Perform a reciprocating step to transport multiple racks with plates into and out of the oven. Wherein, the walking beam is provided with a plurality of rack slots at intervals, and a plurality of racks with plates clamped can be placed on the rack slots one by one to form the batch carrying mode; however, due to the walking beam In the process of performing the interactive transposition operation, each pallet must continuously perform the action of changing the slot positions of the raised and lowered rack slots between multiple walking beams. During the step transposition process, except for In addition to the high requirements for the transposition and alignment accuracy between the plate frame and the frame groove, the walking beam must also be assembled on the lifting mechanism for raising the plate frame, which makes the entire transmission structure required for the walking beam relatively complicated.

In view of this, the purpose of the present invention is to improve the way that traditional pallets used for clamping plates must rely on chains or walking beams for batch transmission. In particular, the present invention abandons the lifting and The step-by-step transmission method of lowering the pallet is used to overcome the problem that the transmission structure required by the walking beam is too complicated.

To this end, the present invention develops a batch plate carrier device for a tunnel oven. In a preferred embodiment, the carrier device includes: a baking transmission line extending through at least an inlet and an outlet of the oven, the A plate feeding direction is defined from the inlet to the outlet, and a reset direction is defined from the outlet to the inlet; a plurality of frames are movably supported on the baking transmission line, and each of the frames includes a frame body and is arranged at intervals There are a plurality of plate frames in the frame, and a plurality of plate clamps for suspending and releasing the plate parts are arranged at intervals on each of the plate frames; It is arranged in the oven, and a plurality of one-way braking parts are formed on the tie rod at intervals; wherein, the baking transmission line includes a pair of linear oven guide rails extending through the oven, and each of the frame bodies is provided with a plurality of Symmetrically arranged guide parts and a force-receiving part with a planar feature, each frame is supported on the pair of guide rails in the oven of the baking transmission line through a plurality of the guide parts; the pull rod is fed along the plate When moving in the direction, each of the one-way braking parts pushes against each of the force-receiving parts synchronously to drive each of the frames to move; when the pull rod moves along the reset direction, each of the one-way braking parts excludes and drives each of the frames to move.

In a further implementation, a plurality of the guide portions are formed by free rollers pivoted on each of the frame bodies.

In a further implementation, a plurality of the guide portions are formed by a pair of sliding grooves opened on each of the frame bodies.

In a further implementation, each of the force-receiving parts is formed on one end face of each of the frame bodies.

In a further implementation, each of the force-receiving parts is a tongue piece formed by each of the frame bodies protruding outward.

In a further implementation, each of the one-way braking portions has an angle-shaped feature supported by elastic force, the angle-shaped feature includes a vertical surface adjoining an inclined surface, each of the vertical surfaces is elastically erected toward the plate feeding direction, each of the The inclined surface is elastically inclined toward the reset direction, each of the one-way braking parts pushes against each of the force-receiving parts through the elastically erected vertical surface, and drives each of the frames to move, and each of the one-way braking parts is elastically inclined The inclined surface pushes against each of the force-receiving parts, and drives the vertical surface and the inclined surface to elastically fold, thereby eliminating the driving of each of the frames to move.

In a further implementation, the inlet end side of the oven is provided with a feeding area station, and the outlet end side of the oven is provided with a discharging area station, and the roasting transmission line also includes extending from the feeding area station to the feeding area station. The inlet, and the outlet extends to the discharge zone station.

In a further implementation, a pair of linear feeding guide rails are arranged in the loading area station, a pair of linear discharging guide rails are arranged in the discharging area station, the pair of feeding guide rails, the pair of furnace guide rails and the pair of The discharging guide rails are connected in series with each other, thereby constructing the baking transmission line.

In a further implementation, a frame lowering device is arranged on the side of the loading area station, a frame lifting device is arranged on the side of the discharging area station, and a frame guide is arranged on the top of the oven, and the frame lowering device is arranged on the side of the discharging area station. The positioner, the pair of feeding guide rails, the pair of furnace guide rails, the pair of discharging guide rails, the frame lifter and the frame guide are connected in series to form a circular moving path.

In a further implementation, the frame lowering device and the frame lifting device each include a lifting seat and a positioning element, the positioning element is disposed on the lifting seat, and each of the frames is positioned on the lifting seat by the restraint of the positioning element on the seat and move vertically through the carrying of the lift seat.

In a further implementation, the frame guide is constituted by a pair of linear outer guide rails, and the pair of outer guide rails are erected on the top wall of the oven.

According to the above-mentioned technical means, the technical effect that the present invention can produce is:

1. Use the frame to collect multiple plates into a batch, and simplify the structure of the transmission element used to drive the frame, so that each frame can maintain a horizontal holding method (ie, non-lifting method) from the entrance of the oven to step smoothly Move to the exit.

2. Constructing and guiding a plurality of the frames dedicated to a circular movement path, so that each of the frames that carry the batch plates from the inlet of the oven to the outlet step by step can unload the batch of plates that have been baked at the outlet. Afterwards, it can receive the guidance of the moving path of the loop and return to the entrance to collect the measuring plates again, so that the frames can be reused automatically and avoid hoarding the frames at the entrance and exit of the oven and occupying space.

For this reason, the details related to the implementation of the present invention will be further described below with the accompanying drawings.

First, referring to FIG. 1 , a preferred embodiment of the present invention is disclosed, and a batch plate carrier device for a tunnel oven provided by the present invention is described, including: a baking transmission line 10 and a plurality of frames 20 , wherein :

A loop moving path 1 is formed around the oven 40 for carrying a plurality of the frames 20 to move cyclically. The baking transmission line 10 is constructed in the loop moving path 1 with a linear trajectory, and becomes This loop moves a part of path 1 . Further, the baking transmission line 10 includes an inlet 41 and an outlet 42 extending through the oven 40 . In other words, the inlet 41 and the outlet 42 of the oven 40 are located on the baking transmission line 10 respectively. In the present invention, the direction from the inlet 41 to the outlet 42 is defined as a plate feeding direction 43, and the direction from the outlet 42 to the inlet 41 is defined as a reset direction 44, that is, the direction between the plate feeding direction 43 and the reset direction 44 is defined. In the opposite direction. Furthermore, a feeding area station 60 is provided on the end side of the inlet 41 of the oven 40, and a discharging area station 70 is provided on the end side of the outlet 42 of the oven 40. The baking transmission line 10 also includes a feeding area station from the oven 40. 60 extends to the inlet 41 , and the roasting transfer line 10 also includes the outlet 42 to the discharge area station 70 .

The frame 20 is movably supported on the baking transmission line 10 , and the holding means that the entire frame 20 can be placed on the baking transmission line 10 by sliding, rolling or embedded positioning. The purpose of this is to enable the entire frame 20 to move on the baking conveyor line 10 by being driven by the transmission element.

Referring to FIG. 2 , it is explained that the frame 20 includes a frame body 21 , a plurality of plate frames 22 are arranged at intervals in the frame body 21 , and a plurality of plates capable of being suspended and released are arranged at intervals on each plate frame 22 Plate clip 23 for piece 50. In practice, each plate frame 22 can be positioned on the frame body 21 by means of locking, snapping, welding or riveting, so as to facilitate the maintenance and replacement of the plate frame 22 .

Each of the frame bodies 21 is provided with a plurality of symmetrically arranged guide portions 211 , and each of the frames 20 is supported on the baking transmission line 10 via the plurality of the guide portions 211 . Further, the guide portion 211 may be formed of free rollers pivoted on each of the frame bodies 21 (as shown in FIG. 3 ), so that each of the frames 20 can pass through a plurality of free rollers (ie, the guide portion 211 ). ) and is placed on the baking transmission line 10 in a rolling and sliding manner; the guide portion 211 may also be formed by a pair of chute openings on each of the frame bodies 21 (as shown in FIG. 6 ), Each of the frames 20 can be placed on the baking transmission line 10 in a slidable manner through the chute (ie, the guide portion 211 ).

Each of the frame bodies 21 is further provided with a force-receiving portion 212 with a planar feature, and each of the frames 20 is driven by a transmission element through each of the force-receiving portions 212 , and then is guided by the guiding portion 211 . , move along the baking transmission line 10 . Further, each of the force-receiving parts 212 may be formed on one end face of each of the frame bodies 21 (as shown in FIG. 5 ); each of the force-receiving parts 212 may also be formed by protruding outward from each of the frame bodies 21 It is formed by a tongue piece (as shown in FIG. 3 and FIG. 6 ), since each of the force-receiving parts 212 has a sheet-like feature, the area and time of frictional contact with the transmission element can be reduced.

Please refer to FIG. 3 , it is explained that the batch plate carrier device of the tunnel oven provided by the present invention further includes a pull rod 30 , the pull rod 30 is disposed in the oven 40 and is located at the periphery of the baking transmission line 10 , the pull rod 30 is 30 is used as a transmission element in the present invention. The pull rod 30 can move back and forth along the plate feeding direction 43 and the reset direction 44, and a plurality of one-way braking parts 31 are formed on the pull rod 30 at intervals. The one-way braking parts 31 push against the force-receiving parts 212 synchronously to drive the frames 20 to move; when the pull rod 30 moves along the reset direction 44 , the one-way braking parts 31 exclude and drive the frames 20 to move.

Further, each of the one-way braking portions 31 has an angle-shaped feature that is supported by elastic force. The angle-shaped feature includes a vertical surface 311 adjoining an inclined surface 312 , and each vertical surface 311 is elastically erected toward the plate feeding direction 43 . , each of the inclined surfaces 312 is elastically inclined toward the reset direction 44 , each of the one-way braking parts 31 pushes against each of the force-receiving parts 212 through the elastically erected vertical surface 311 to drive each of the frames 20 to move, and each of the The one-way braking portion 31 pushes against each of the force-receiving portions 212 through the elastically inclined inclined surface 312 , and drives the vertical surface 311 and the inclined surface 312 to elastically fold, thereby eliminating the driving of each of the frames 20 to move.

According to the above configuration, please refer to FIG. 4a to FIG. 4d successively, the operation explanatory diagrams of the present invention are sequentially disclosed, illustrating that when each of the one-way braking parts 31 is driven by the pull rod 30 to move toward the feeding plate on the baking transmission line 10 When moving in the direction 43 (as shown in FIG. 4 a ), the vertical surfaces 311 of the one-way braking parts 31 are made to contact the force-receiving parts 212 of the frames 20 , so that the frames 20 receive the force-receiving parts 212 through the force-receiving parts 212 . The one-way braking portion 31 moves toward the plate feeding direction 43 (as shown in FIG. 4b ) when the one-way braking portion 31 is pushed; As shown in FIG. 4 c ), the inclined surfaces 312 of the one-way braking portions 31 are brought into contact with the force-receiving portions 212 of the respective frames 20 , so that the vertical surfaces 311 and the inclined surfaces 312 of the one-way braking portions 31 are elastically folded , and then eliminates driving each of the frames 20 to move (as shown in FIG. 4d ); then, after each of the one-way braking parts 31 is away from the force-receiving part 212 of each of the frames 20 , make the vertical position of each of the one-way braking parts 31 The surface 311 and the inclined surface 312 are elastically expanded.

Referring again to FIG. 1 , it is explained that a pair of linear feeding guide rails 61 are arranged in the loading area station 60 , a pair of linear discharging guide rails 71 are arranged in the discharging area station 70 , and a pair of linear discharging guide rails 71 are arranged in the oven 40 . The linear oven rails 11 extend through the oven 40 , so that the pair of loading rails 61 , the pair of oven rails 11 and the pair of discharging rails 71 are connected in series with each other, thereby constructing the baking transmission line 10 . In addition, a frame lowering device 12 is arranged on the side of the loading area station 60, a frame lifting device 13 is arranged on the side of the discharging area station 70, and a frame guide 14 is arranged on the top of the oven 40. The loop moving path 1 is formed by the frame lowering device 12 , the pair of loading guide rails 61 , the pair of furnace guide rails 11 , the pair of discharging guide rails 71 , the frame lifter 13 and the frame guide 14 connected in series .

Each of the frames 20 is supported on the pair of inner guide rails 11 of the baking transmission line 10 via a plurality of the guiding portions 211 , and each of the frames 20 is also supported via a plurality of the guiding portions 211 . On the pair of feeding guide rails 61 and the pair of discharging guide rails 71 of the baking transmission line 10 .

When the plate 50 is to be baked, as shown in FIG. 1 , the frame 20 on the feeding guide 61 is used to receive the pre-baking plate 50 piece by piece. An automatic arm or a plate feeding mechanism (not shown) transfers the plates 50 one by one to the frame 20 of the pair of feeding guide rails 61 for suspension, so that the plates 50 to be baked can use the frame 20 in the station 60 in the feeding area. to be assembled in batches in advance, and then the frame 20 of the batch-assembled panels 50 is guided by the pair of inner guide rails 11 to enter the oven 40 from the inlet 41, and then moved to the pair of discharge guide rails 71 of the discharge area station 70 from the outlet 42. superior. When the frame 20 of the assembled panels 50 moves to the pair of discharging guide rails 71, it indicates that the baking operation of the panels 50 has been completed, and then, for example, a common automatic arm or a panel taking mechanism (not shown in the figure) can be used. ) Unloading the batches of panels 50 that have been baked on the frame 20 of the pair of discharge guides 71 one by one, so that the frame 20 on the pair of discharge guides 71 finally presents an empty frame state without the hanging panels 50 .

Next, referring to FIG. 7 , it is illustrated that the frame lowering device 12 and the frame lifting device 13 respectively include a lifting seat 121 , 131 and a positioning element 122 , 132 , wherein the lifting seat 121 , 131 can be driven by a motor to vertically Since the positioning elements 122 and 132 are arranged on the lifting bases 121 and 131, the positioning elements 122 and 132 can move synchronously with the lifting bases 121 and 131. When the frames 20 move to the lifting bases 121 , 131 , each frame 20 can be positioned on the lift seat 121 , 131 through the restraint of the positioning elements 122 , 132 , so as to facilitate the vertical movement of the lift seat 121 , 131 carrying the frame 20 , the positioning The elements 122 , 132 are implemented to restrain and release each of the frames 20 by actuation of pneumatic cylinders. In addition, between the frame lowering device 12 and the frame guide 14, and between the frame lifting device 13 and the frame guide 14, a pull frame element (not shown) is respectively provided. Elements move each of the frames 20 on the frame guide 14 to the frame lowerer 12, and each of the frames 20 of the frame lifter 13 to the frame guide 14; the frame lowerer 12 A frame pushing element (not shown) is arranged between the pair of feeding guide rails 61, and each frame 20 on the frame lowering device 12 is moved to the pair of feeding guide rails 61 by the pushing frame element. Each of the frames 20 on the discharge guide rail 71 can be moved to the frame lifter 13 by pushing the pull rod 30 . It is also explained that the above-mentioned frame-pulling element and frame-pushing element can be made by using a common servo slide with a frame-pulling claw or a frame-pushing claw.

Next, please refer to FIG. 8 a to FIG. 8 d in sequence, illustrating that when each frame 20 is supported on the frame guide 14 , each frame 20 can be pulled by the pulling frame element (not shown) to make Each of the frames 20 is moved from the frame guide 14 to the lift seat 121 of the frame lowering device 12 (as shown in FIG. 8 a ); then, each of the frames 20 passes through the lifting seat 121 of the frame lowering device 12 Then, each frame 20 is pushed by the frame lowering device 12 by pushing the frame pushing element (not shown). The lift seat 121 is moved horizontally to the pair of feeding guide rails 61 (as shown in FIG. 8b ); on the contrary, when each of the frames 20 is supported on the pair of discharge guide rails 71, each of the frames 20 can pass through the pull rod. 30 is driven to move horizontally to the lifting seat 131 of the frame lifter 13 (as shown in FIG. 8c ), and is carried by the lifting seat 131 of the frame lifter 13 and vertically from one end of the pair of discharge guide rails 71 Move to one end of the frame guide 14, and then move horizontally from the lifting seat 131 of the frame lifter 13 to the frame guide 14 by pulling the frame element (not shown) (as shown in Figure 8d). Show).

The above embodiments are only preferred embodiments of the present invention, but should not be construed as limiting the scope of the present invention. Therefore, the present invention should be subject to the content of the claims defined in the scope of the patent application.

1: Loop movement path 10: Bake the transfer line 11: Furnace rails 12: Frame lowering device 121: Lifting seat 122: Positioning components 13: Frame lifter 131: Lifting seat 132: Positioning components 14: Frame guide 20: Frame 21: Frame 211: Guidance Department 212: Forced Department 22: Plate rack 23: Board clip 30: Tie rod 31: One-way brake part 311: Facade 312: Bevel 40: Oven 41: Entrance 42: Export 43: Board feeding direction 44: reset direction 50: Plate 60: Loading area station 61: Feeding guide rail 70: Discharge area station 71: Discharge guide rail

FIG. 1 is a schematic diagram of the batch plate carrier device of the tunnel oven of the present invention. FIG. 2 is a schematic perspective view of the frame of the present invention. FIG. 3 is a partial enlarged view of FIG. 2 . 4a to 4d are schematic diagrams of the operation of FIG. 3, respectively. FIG. 5 and FIG. 6 are perspective views of different embodiments of the guide portion and the force-receiving portion of the frame shown in FIG. 3 , respectively. FIG. 7 is a perspective view of the frame lowering device and the frame lifting device in FIG. 1 . 8a to 8d are schematic diagrams of the operation of FIG. 7, respectively.

1: Loop movement path

10: Bake the transfer line

11: Furnace rails

12: Frame lowering device

13: Frame lifter

14: Frame guide

20: Frame

40: Oven

41: Entrance

42: Export

43: Board feeding direction

44: reset direction

50: Plate

60: Loading area station

61: Feeding guide rail

70: Discharge area station

71: Discharge guide

Claims (11)

A batch plate carrier device for a tunnel oven, comprising: a baking transmission line extending through at least an inlet and an outlet of the oven, the inlet to the outlet defines a plate feeding direction, and the outlet to the inlet defines a reset direction; A plurality of frames are movably supported on the baking transmission line, each of the frames includes a frame body, and a plurality of racks arranged at intervals in the frame, and a plurality of racks capable of clamps for suspending and releasing panels; and a pull rod, which is reciprocatingly arranged in the oven along the plate feeding direction and the reset direction, and a plurality of one-way braking parts are formed on the pull rod at intervals; in, The baking transmission line includes a pair of linear oven guide rails extending through the oven, each of the frame bodies is provided with a plurality of symmetrically arranged guiding parts and a force-receiving part with a planar feature, and each of the frames passes through a plurality of the guide portions are supported on the pair of guide rails in the oven of the baking transmission line; When the pull rod moves along the plate feeding direction, the one-way braking parts push against the force-receiving parts synchronously to drive the frames to move; when the pull rod moves along the reset direction, the one-way braking parts exclude the driving The frame moves. The bulk plate carrier device for a tunnel oven according to claim 1, wherein a plurality of the guide portions are formed by free rollers pivoted on each of the frame bodies. The bulk plate carrier device for a tunnel oven according to claim 1, wherein a plurality of the guide portions are formed by a pair of chutes formed on each of the frame bodies. The bulk plate carrier device for a tunnel oven according to claim 1, wherein each of the force-receiving parts is formed on one end face of each of the frame bodies. The bulk plate carrier device for a tunnel oven according to claim 1, wherein each of the force-receiving parts is a tongue piece formed by each of the frame bodies protruding outward. The bulk plate carrier device for a tunnel oven according to claim 1, 4 or 5, wherein each of the one-way braking portions has an angle-shaped feature supported by elastic force, and the angle-shaped feature includes a vertical surface adjoining an inclined surface , each of the vertical surfaces is elastically erected toward the plate feeding direction, each of the inclined surfaces is elastically inclined toward the reset direction, and each of the one-way braking parts is pushed against each of the force-receiving parts through the elastically erected vertical surface to drive each of the The frame moves, and each of the one-way braking parts pushes against each of the force-receiving parts through the elastically inclined inclined surface, and drives the vertical surface and the inclined surface to elastically fold, thereby eliminating the driving of each of the frames to move. The batch plate carrier device for a tunnel oven as claimed in claim 1, wherein the inlet end side of the oven is provided with a loading area station, and the outlet end side of the oven is provided with a discharging area station, and the baking transmission line It also includes extending from the infeed zone station to the inlet, and the outlet extending to the discharge zone station. The batch plate carrier device for a tunnel oven according to claim 7, wherein a pair of linear feeding guide rails are arranged in the loading area station, and a pair of linear discharging guide rails are arranged in the discharging area station, and the pair of upper The material guide rail, the pair of furnace guide rails and the pair of discharge guide rails are connected in series with each other, thereby constructing the baking transmission line. The batch plate carrier device for a tunnel oven as claimed in claim 8, wherein a frame lowering device is arranged on the side of the loading area station, a frame lifter is arranged on the side of the discharging area station, and the oven The top is provided with a frame guide, the frame lowering device, the pair of feeding guide rails, the pair of furnace guide rails, the pair of discharging guide rails, the frame lifter and the frame guide are connected in series to form a loop moving path . The batch plate carrier device for a tunnel oven according to claim 9, wherein the frame lowering device and the frame lifting device each include a lifting seat and a positioning element, the positioning element is arranged on the lifting seat, and each of the frame It is positioned on the lifting seat through the restraint of the positioning element, and moves vertically through the carrying of the lifting seat. The bulk plate carrier device for a tunnel oven as claimed in claim 9, wherein the frame guide is composed of a pair of linear outer guide rails, and the pair of outer guide rails are erected on the top wall of the oven.

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