TW202007616A - Log feeding device comprising a log transporting unit that transports a long in a first axial direction, a turning unit, and an elevating unit - Google Patents

Abstract

A log feeding device comprises a transporting unit that transports a log in a first axial direction, a turning unit, and an elevating unit. The turning unit comprises a base, a rotating assembly, and a driving assembly that is mounted on the base and coupled to the rotating assembly. The rotating assembly comprises two material turning wheels rotatably mounted on the base. The two material turning wheels are arranged on two outer sides of the transporting unit in a second axial direction and are operable together to turn the log. The driving assembly comprises at least a first driving member for causing the material turning wheels to rotate in the same direction. The elevating unit is coupled to the turning unit and is operable to drive the turning unit to move relative to the transporting unit between a material turning position and a transporting position in a third axial direction. In the material turning position, the material turning wheels lift a log off the transporting unit in the third axial direction, and in the transporting position, the material turning wheels place a log on the transporting unit in the third axial direction. By using the turning unit and the elevating unit to replace the process of manually moving and adjusting an angle of a log, the operation of feeding is made easy.

Description

Log feeder

The invention relates to a feeding device, in particular to a log feeding device.

An existing log cutting device includes a cutting device for cutting a log into a plurality of logs, and a conveying device that passes through the cutting device and transports the log to the cutting device in a conveying direction for cutting, however The shape and size of the logs are generally different, and the feeding method of this log cutting equipment requires the operator to manually lift a log to the conveyor, adjust the log to an appropriate angle, and then start the conveyor. The angle-adjusted logs are transported to the cutting device, so that the logs can be cut into logs of appropriate size, and this feeding method not only is more laborious and takes more time, not only affects the production capacity but also disadvantages automated production.

Therefore, the object of the present invention is to provide a log feeding device which is convenient for the operator to feed.

Therefore, the log feeding device of the present invention includes a conveying unit, a turning unit, and a lifting unit. The conveying unit extends along a first axis and is used to transport a log along the first axis. The reversing unit includes a base frame, a rotating element set disposed on the base frame, and a driving element set disposed on the base frame and connected to the rotating element group, defining a second axis perpendicular to the first axis , The rotating member group has two turning wheels extending along the first axis and rotatably arranged on the base around the own axis, the turning wheels are located on both outer sides of the conveying unit along the second axis, the The equal-turning wheels are used to jointly receive and turn over the logs. The driving member group has at least one first driving member that can be controlled to drive the turning wheels to rotate in the same direction. The lifting unit is connected to one of the conveying unit and the reversing unit, and defines a third axis perpendicular to the first axis and the second axis. The lifting unit can be controlled so that the conveying unit and the reversing unit One of the units moves relative to the other between a turning position and a conveying position along the third axis, and at the turning position, the turning wheels of the turning unit are relative to the conveying unit Away along the third axis to move the log away from the conveying unit, and in the conveying position, the turning wheels approach the conveying unit along the third axis to allow the log to bear against the conveying unit.

The effect of the present invention lies in that the turning unit and the lifting unit can turn over the logs and place the logs on the conveying unit, which can replace the process of manual adjustment and adjustment of the angle of the logs by the operator, thereby simplifying the feeding method.

1 and 2, a first embodiment of a log feeding device of the present invention is provided upstream of a cutting device 8 for cutting a log 9. The log feeding device includes a conveying unit 1 and a flip Unit 2, a lifting unit 3, a feeding unit 4, and a surrounding board 5.

The conveying unit 1 extends along a first axis D1 and is used to convey the log 9 along the first axis D1. In this embodiment, the conveying unit 1 is driven by a chain driven by a motor and a sprocket. But not limited to this. In addition, in this embodiment, the conveying unit 1 is connected to the cutting device 8 along the first axis D1 and used to convey the log 9 to the cutting device 8 along the first axis D1.

Referring to FIGS. 1 to 4, the turning unit 2 includes a base frame 21, a rotating element group 22 disposed on the base frame 21, and a driving element group 23 disposed on the base frame 21 and connected to the rotating element group 22 . A second axis D2 perpendicular to the first axis D1 is defined. The rotating member group 22 has two turning wheels 221 extending along the first axis D1 and rotatably disposed on the base 21 around its own axis. The material turning wheels 221 are located on both sides of the conveying unit 1 along the second axis D2 and the top is higher than the conveying unit 1. The material turning wheels 221 are used to jointly receive and turn over the log 9, each material turning wheel 221 has a wheel shaft 222 extending along the first axis D1 and rotatably disposed on the base frame 21, a wheel body 223 surrounding the wheel shaft 222 and extending along the first axis D1, and a plurality of wheels 222 Protrusions 225 protruding from an outer surface 224 of the wheel body 223 and extending along the first axis D1 are spaced apart. The driving element group 23 has at least one first driving element 231 that can be controlled to drive the turning wheels 221 to rotate in the same direction. In this embodiment, the number of the first driving member 231 is two and are respectively connected to the turning wheels 221 to control the turning wheels 221 to rotate in the same direction, but in other embodiments, the first driving The piece 231 may also be one and only drive one of its turning wheels 221, while the other turning wheel 221 only rotates passively. In this embodiment, the first driving members 231 are vertical motors and are connected by chains and sprockets to drive the axles 222 of the turning wheels 221 to rotate, but not limited to this.

The lifting unit 3 is connected to one of the conveying unit 1 and the turning unit 2 to define a third axis D3 perpendicular to the first axis D1 and the second axis D2. The lifting unit 3 can be controlled and controlled Make one of the conveying unit 1 and the turning unit 2 relative to the other along a third axis D3 at a turning position (as shown in FIG. 9) and a conveying position (as shown in FIG. 10) To move. In the turning position, the turning wheels 221 of the turning unit 2 are away from the conveying unit 1 along the third axis D3, so that the log 9 is away from the conveying unit 1. In the conveying position, The turning wheels 221 are closer to the conveying unit 1 along the third axis D3 so that the log 9 bears against the conveying unit 1. In this embodiment, the lifting unit 3 is connected to the turning unit 2 to control the turning unit 2 to move relative to the conveying unit 1 between the turning position and the conveying position, and in other embodiments, the The lifting unit 3 may also be connected to the conveying unit 1 to control the conveying unit 1 to move between the turning position and the conveying position relative to the turning unit 2.

The lifting unit 3 includes a base 31 positioned relative to the conveying unit 1 and located under the turning unit 2 along the third axis D3. A plurality of bases 31 are slidably disposed on the base 21 along the third axis D3 And a lifting rod 32 connected to the bottom of the base frame 21 of the turnover unit 2 and at least one telescopic cylinder 33 disposed on the base 31 and connected to the bottom of the base frame 21, the telescopic cylinder 33 can be controlled to move along the third axis Telescopic to D3, so that the turning unit 2 moves relative to the conveying unit 1 along the third axis D3 between the turning position and the conveying position, and drives the extension rod 32 to move. In this embodiment, the number of the lifting rods 32 is four and they are located at four corners of the base 31 respectively, and the base is provided with four linear bearings 311 corresponding to the lifting rods 32. The lifting rods 32 can slide through the linear bearings 311 along the third axis D3, but not limited to this, in addition, in this embodiment, the number of the telescopic cylinder 33 is two and can be hydraulic cylinder or air pressure Cylinder.

Referring to FIG. 2, FIG. 5 and FIG. 6, the feeding unit 4 is disposed on one of two outer sides of the conveying unit 1 opposite to the second axis D2. The feeding unit 4 includes a relative to the conveying unit 1 A bracket 41 for generating positioning, a material transporting member 42 disposed on the bracket 41, and a flipper member 43 disposed on the bracket 41. The bracket 41 has a first end 411 adjacent to the conveying unit 1 and located above the outside of one of the turning wheels 221, and a first end 411 away from the conveying unit 1 and opposite to the first end 411 along the second axis D2 The second end 412 of the first end 411 has a rotating shaft 413 extending along the first axis D1 and rotatable about its own axis. The transporting member set 42 extends between the first end 411 and the second end 412 along the second axis D2 and is used to transfer the log 9 from the second end 412 along the second axis Transport to D2 to this first end 411.

The flip member group 43 has a flip member 431 pivotally connected to the rotating shaft 413 and at least one second driving member 432 disposed on the bracket 41 and connected to the flip member 431. The flipper 431 has two swing arms 434 pivotally disposed on the rotating shaft 413 along the first axis D1 and a baffle 433 connected between the swing arms 434. In this embodiment, the number of the second driving member 432 is two and they are respectively connected to the swing arms 434. In other embodiments, the flipper 431 may have only one swing arm 434, and the first There may be only one second driving member 432 connected to the swing arm 434, but it is not limited thereto. The second driving members 432 are pneumatic cylinders and can be controlled to expand and contract to drive the swing arms 434 to rotate around the rotating shaft 413, so that the flip member 431 is in a blocking position around the rotating shaft 413 (as shown in FIG. 7) Shown) and an articulated position (as shown in Figure 8). When the flipper 431 is in the blocking position, the baffle 433 is upright and the top is higher than the material transporting member set 42 to block the log 9 from transporting along the second axis D2. The baffle 433 is inclined in the direction of the conveying unit 1 and is used to drop the log 9 from the first end 411 above the conveying unit 1.

The conveying member set 42 has two conveyor belts 421 spaced along the first axis D1 on the bracket 41 and connected to the rotating shaft 413 of the bracket 41, and a third connected to the rotating shaft 413 and capable of driving the rotating shaft 413 to rotate The driving member 422, the third driving member 422 can be controlled to drive the rotating shaft 413 to rotate around its own axis, so as to drive the conveyor belts 421 to drive along the second axis D2. In this embodiment, the conveyor belt 421 is a chain type, and the third driving member 422 is a vertical motor and the rotating shaft 413 is driven to rotate by another chain and a sprocket, but not limited to this.

The surrounding panel 5 is disposed on one of the base frame 21 of the turning unit 2 and the base 31 of the lifting unit 3. The surrounding panel 5 is located on the conveying unit 1 along the second axis D2 opposite to the feeding unit On the other side of 4, the surrounding panel 5 extends along the first axis D1 and the top is higher than the turning wheels 221. In this embodiment, the surrounding panel 5 is disposed on the base frame 21 of the turning unit 2.

Referring to FIGS. 1 and 2, when in use, the operator places the log 9 on the conveyor belt 421 of the feeding unit 4, and when placed, only the axis of the log 9 itself needs to be approximately parallel to the first The axial direction D1 is sufficient, and then the conveyor belt 421 transports the log in the direction of the conveying unit 1 along the second axial direction D2 (see FIG. 7). When the log 9 approaches the conveying unit 1, the second drive The piece 432 will be controlled and elongated, driving the flipper 431 to rotate from the blocking position to the joint position (see FIG. 8), so that the log 9 falls onto the conveying unit 1, at this time, the flipping unit 2 is located at the turning position (see FIG. 9), and the turning wheels 221 will support the dropped logs 9 and space the logs 9 from the conveying unit 1 along the third axis D3. Then, the After the first driving member 231 is controlled to drive the turning wheels 221 to rotate in the same direction to turn over the log 9, wherein the protrusions 225 can increase the friction between the log 9 to facilitate the turning The wheel 221 flips over the log 9. When the log 9 is turned to an appropriate angle, the first driving members 231 are controlled to stop the turning wheels 221 from rotating. Then, the operator can shorten by controlling the telescopic cylinder 33 of the lifting unit 3 to make the The turning unit 2 descends to the conveying position along the third axis D3 (see FIG. 10), so that the log 9 approaches and bears on the conveying unit 1. After the log 9 bears on the conveying unit 1, the The conveying unit 1 can transport the log 9 along the first axis D1 toward the cutting device 8 for subsequent cutting. It is worth mentioning that in this embodiment, the first driving member 231 of the turning unit 2, the telescopic cylinder 33 of the lifting unit 3, and the second driving member 432 of the feeding unit 4 are manually controlled by the operator. In other implementations, it can also cooperate with sensors and controllers to automatically control the opening and closing of the above components.

Through the above description, the advantages of the log feeding device of the present invention are summarized as follows:

1. Using the turning wheels 221 of the turning unit 2 can replace the operator to turn and adjust the angle of the log 9 to achieve convenient and labor-saving operation.

2. With the lifting unit 3, the log 9 can be quickly moved to the conveying unit 1 after being turned over by the turning unit 2.

3. With the feeding unit 4, the operator only needs to place the log 9 on the conveyor belt 421 of the feeding unit 4, and the log 9 can be transported to the turning unit 2 for turning, because the handling method is simple, and The conveyor belt 421 can also accommodate and transport a plurality of logs 9 at the same time. When there are a large number of logs 9 to be cut, the man-hour for manual feeding can be effectively shortened.

In summary, the log feeding device of the present invention uses the turning unit 2 and the lifting unit 3 to simplify the feeding method of the log 9, so it can indeed achieve the purpose of the invention.

However, the above are only examples of the present invention, and should not be used to limit the scope of the present invention. Any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the patent specification are still classified as This invention covers the patent.

1‧‧‧Conveying unit 2‧‧‧Flip unit 21‧‧‧Base frame 22‧‧‧Rotating group 221‧‧‧Flip wheel 222‧‧‧axle 223‧‧‧Wheel body 224 ‧‧‧Bump 23‧‧‧‧Drive unit 231‧‧‧ First drive unit 3‧‧‧Elevating unit 31‧‧‧ Base 311‧‧‧ Linear bearing 32‧‧‧Lift rod 33‧‧‧ Telescopic cylinder 4‧‧‧Feeding unit 41‧‧‧Bracket 411‧‧‧First end 412‧‧‧Second end 413‧‧‧Rotating shaft 42‧‧‧Material transport group 421‧‧‧Conveyor belt 422‧‧ ‧Third drive part 43‧‧‧Flip part group 431‧‧‧Flip part 432‧‧‧Second drive part 433‧‧‧Baffle 434‧‧‧Swing arm 5‧‧‧Wall 8‧‧‧ Cutting device 9‧‧‧ Log D1‧‧‧ First axis D2‧‧‧ Second axis D3‧‧‧ Third axis

Other features and effects of the present invention will be clearly presented in the embodiment with reference to the drawings, in which: FIG. 1 is an incomplete perspective view of an embodiment of the log feeding device of the present invention combined with a cutting device; FIG. 2 is a front view of the embodiment combined with the cutting device; FIG. 3 is a partial exploded perspective view of a turning unit and a lifting unit of the embodiment; FIG. 4 is the turning unit and the embodiment of the embodiment A side view of the lifting unit; FIG. 5 is a perspective view of a feeding unit of the embodiment; FIG. 6 is a top view of the feeding unit of the embodiment; FIG. 7 is a part of the feeding unit of the embodiment A cross-sectional view illustrating the state when a flip member of the feeding unit is at a stop position; FIG. 8 is a cross-sectional view similar to FIG. 7, illustrating a state when the flip member of the feeding unit is at an engaged position; 9 is a schematic diagram of the operation of a conveying unit, the turning unit and a lifting unit of the embodiment, illustrating the state of the turning unit in a turning position; and FIG. 10 is the conveying unit and the turning unit of the embodiment And a schematic diagram of the operation of the lifting unit, illustrating the state of the reversing unit in a conveying position.

1‧‧‧Conveying unit

2‧‧‧Flip unit

3‧‧‧lift unit

4‧‧‧Feeding unit

5‧‧‧Hoarding

8‧‧‧Cutting device

D1‧‧‧ First axis

D2‧‧‧Second axis

D3‧‧‧The third axis

Claims (7)

A log feeding device includes: a conveying unit extending along a first axis and used to transport a log along the first axis; a turning unit including a base frame and a rotation set on the base frame A component set and a driving component set disposed on the base frame and connected to the rotating component set define a second axis perpendicular to the first axis. The rotating component set has two extending along the first axis and can be wound around The turning wheels of the base are rotatably arranged on the base, the turning wheels are located on both outer sides of the conveying unit along the second axis, the turning wheels are used to jointly receive and turn over the logs, the driving member The group has at least one first driving member that can be controlled to drive the turning wheels to rotate in the same direction; and a lifting unit, which is connected to one of the conveying unit and the turning unit, and defines a vertical axis and In the third axis of the second axis, the lifting unit can be controlled so that one of the conveying unit and the turning unit is at a turning position and a conveying position along the third axis relative to the other Move between, at the turning position, the turning wheels of the turning unit move away from the conveying unit along the third axis to move the log away from the conveying unit. At the conveying position, the turning The material turning wheel is closer to the conveying unit along the third axial direction, so that the log bears against the conveying unit. The log feeding device according to claim 1, wherein the lifting unit is connected to the turning unit, and the lifting unit includes a base positioned relative to the conveying unit and located under the turning unit along the third axis, A plurality of lifting rods slidably provided on the base and connected to the bottom of the base frame of the turnover unit along the third axis, and at least one telescopic cylinder provided on the base and connected to the bottom of the base frame, the telescopic cylinder may be Controlled to expand and contract along the third axis, so that the turning unit moves relative to the conveying unit along the third axis between the turning position and the conveying position, and drives the extension and lowering rods to move. The log feeding device according to claim 1, wherein each turning wheel of the turning unit has an axle extending along the first axis and rotatably disposed on the base frame, and a wheel surrounding the axle The first axially extending wheel body and a plurality of protrusions protrudingly provided on an outer surface of the wheel body around the wheel shaft and extending along the first axis. The log feeding device according to claim 1, further comprising a feeding unit disposed on one of two opposite sides of the conveying unit along the second axis, the feeding unit includes a unit opposite to the conveying unit A bracket for generating positioning, a material-carrying member set disposed on the bracket, and a flipper member set disposed on the bracket, the bracket having a first end portion adjacent to the conveying unit and located above one of the material turning wheels , And a second end away from the conveying unit and opposite the first end along the second axis, the first end has a rotating shaft extending along the first axis, The second axis extends between the first end and the second end, and is used to transport the log from the second end to the first end along the second axis, the flip The component set has a flip member pivotally connected to the rotating shaft, and at least a second moving drive member disposed on the bracket and connected to the flip member, the flip member has a baffle, and the second drive member can be received Control and drive the flipper to rotate about a rotation axis between a blocking position and an engagement position, when the flipper is in the blocking position, the baffle is upright and the top is higher than the material transporting set to block The log is transported along the second axis, and when in the joint position, the baffle is inclined toward the conveying unit and is used to drop the log from the first end to the conveying unit. The log feeding device according to claim 4, wherein the flipper of the feeding unit further has two swing arms pivotally disposed on the rotating shaft at intervals along the first axis, and the baffle is connected to the swings Between the arms, the number of the second driving members is two and they are respectively connected to the swinging arms. The second driving members are pneumatic cylinders and can be controlled to expand and contract to drive the swinging arms to rotate around the rotating shaft to make the The flipper rotates between the blocking position and the engaging position. The log feeding device according to claim 5, wherein the rotating shaft of the bracket of the feeding unit is rotatable about its own axis, and the material transporting member group has two spaced along the first axis and is connected to the bracket The conveyor belt of the rotating shaft of the bracket, and a third driving member connected to the rotating shaft and capable of driving the rotating shaft to rotate, the third driving member can be controlled to drive the rotating shaft to rotate around its own axis to drive the conveyor belts along the first Two-axis transmission. The log feeding device according to claim 6, further comprising a surrounding panel provided on one of the base frame of the turnover unit and the base of the lifting unit, the surrounding panel is located along the second axis of the conveying unit To the opposite outer side of the feeding unit, the surrounding panel extends along the first axis and the top is higher than the turning wheels.

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