Round log overturning and conveying device

Abstract

The utility model relates to the technical field of log processing equipment, and discloses a log overturning and conveying device which comprises an overturning conveying frame and an overturning conveying mechanism arranged on the overturning conveying frame, and an overturning part used for driving logs to overturn is arranged above the overturning conveying mechanism. The overturning part comprises an annular overturning toothed chain and three gears used for tensioning the annular overturning toothed chain, the three gears are distributed in a triangular shape and are rotationally connected with the mounting plate, the mounting plate is connected with the overturning conveying frame through a lifting adjusting mechanism, the overturning toothed chain is engaged with the three gears, and the three gears are connected with the annular overturning toothed chain. The two gears located at the bottom are rotationally connected with the mounting plate through a first rotating shaft and a second rotating shaft correspondingly, and the gear located at the top is rotationally connected with the mounting plate through a tension adjusting mechanism. According to the round log overturning device, the annular overturning toothed chain is used for extruding round logs and is matched with the tension adjusting mechanism to form a tight attaching state matched with the shapes of the round logs, so that the round log overturning precision is higher, and meanwhile, the production efficiency and the operation safety are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to log processing equipment technical field, especially log overturning and conveying device. BACKGROUND

[0002] In the longitudinal solution log process, the log to be processed is transported to the conveying belt of the log multi-piece saw cutting machine for cutting, and the existing transport operation generally adopts manual transport, that is, a plurality of transport personnel lift the log to the conveying belt, adjust the placement position of the log, and then the conveying belt transports the log to the log multi-piece saw cutting machine for cutting; however, this operation mode is time-consuming and labor-consuming, consumes the physical strength of the operator, requires a large amount of transport time, and reduces the production efficiency. Moreover, in a busy working environment, such high-intensity manual operation is prone to cause safety accidents.

[0003] The utility model patent with the authorization announcement number CN217046759 U discloses a log overturning and conveying device, which comprises a lifting cylinder 320, a lifting mounting seat 360, a V-shaped toothed chain 380, and a log overturning driving motor 390.

[0004] However, due to different growth environments before processing, the log has an irregular shape, so the V-shaped toothed chain 380 cannot ensure sufficient contact with the log, which leads to the log slipping during the overturning process and affects the overturning precision. UTILITY MODEL CONTENTS

[0005] The utility model discloses a log overturning and conveying device, which effectively solves the problem of log slipping during the overturning process caused by the irregular shape of the log in the prior art, and utilizes the ring-shaped overturning toothed chain to press the log and cooperate with the tension adjusting mechanism to form a close-fitting state adapted to the shape of the log, so that the log overturning precision is higher, and the production efficiency and operation safety are improved.

[0006] The above technical purpose of the utility model is achieved by the following technical scheme:

[0007] The log overturning and conveying device comprises an overturning conveying frame and an overturning conveying mechanism arranged on the overturning conveying frame, a overturning part for driving the overturning of the log is arranged above the overturning conveying mechanism, the overturning part comprises a ring-shaped overturning tooth chain and three gears for tensioning the ring-shaped overturning tooth chain, the three gears are in a triangular distribution and are rotationally connected with a mounting plate, the mounting plate is connected with the overturning conveying frame through a lifting adjusting mechanism, the overturning tooth chain is meshed with the three gears respectively, two gears at the bottom are rotationally connected with the mounting plate through rotating shafts one and two respectively, the rotating shaft one or the rotating shaft two is connected with an overturning driving motor, and the gear at the top is rotationally connected with the mounting plate through a tension adjusting mechanism.

[0008] By adopting the above technical scheme, the three gears tension the ring-shaped overturning tooth chain to form a triangular structure, the overturning tooth chain moves downward under the drive of the lifting adjusting mechanism after forming the triangular structure, so that the bottom edge of the triangular structure extrudes the log and forms a close-fitting state matched with the shape of the log in cooperation with the tension adjusting mechanism, when the overturning driving motor is started, the overturning tooth chain is driven to rotate through the gears, so that the log is stably gripped and accurately overturned, the problem that the log slips in the overturning process due to the irregular shape of the log in the prior art is effectively solved, the stability and accuracy of the log in the overturning process are ensured by automatically adjusting the tension of the overturning tooth chain through the tension adjusting mechanism, and therefore the production efficiency and operation safety are improved.

[0009] The lifting adjusting mechanism comprises a lifting adjusting cylinder for driving the mounting plate to move up and down, the lifting adjusting cylinder is fixed on a supporting plate, the supporting plate is fixedly connected with the two sides of the overturning conveying frame through side plates respectively, and the extension shaft of the lifting adjusting cylinder is fixedly connected with the mounting plate.

[0010] By adopting the above technical scheme, the three gears tension the ring-shaped overturning tooth chain to form a triangular structure, the overturning tooth chain moves downward under the drive of the lifting adjusting mechanism after forming the triangular structure, so that the bottom edge of the triangular structure extrudes the log and forms a close-fitting state matched with the shape of the log in cooperation with the tension adjusting mechanism, when the overturning driving motor is started, the overturning tooth chain is driven to rotate through the gears, so that the log is stably gripped and accurately overturned, the problem that the log slips in the overturning process due to the irregular shape of the log in the prior art is effectively solved, the stability and accuracy of the log in the overturning process are ensured by automatically adjusting the tension of the overturning tooth chain through the tension adjusting mechanism, and therefore the production efficiency and operation safety are improved.

[0011] The lifting adjusting mechanism comprises a lifting adjusting cylinder for driving the mounting plate to move up and down, the lifting adjusting cylinder is fixed on a supporting plate, the supporting plate is fixedly connected with the two sides of the overturning conveying frame through side plates respectively, and the extension shaft of the lifting adjusting cylinder is fixedly connected with the mounting plate.

[0012] By adopting the technical scheme, the lifting adjusting cylinder drives the mounting plate to move up and down, the clamping force between the turnover tooth chain and the log is adjusted, the safety and stability of the log in the whole turnover process are ensured, and meanwhile, the adjustment process of the structure is simple and the operation is convenient.

[0013] The utility model discloses further provide that: the both sides of lifting adjusting cylinder telescopic axle are equipped with guide rod respectively, the guide rod is parallel to the telescopic direction of lifting adjusting cylinder, the bottom of guide rod is fixed on mounting plate, and guide rod penetrates support plate and is slid with support plate.

[0014] By adopting the technical scheme, the design of the guide rod makes the movement of the mounting plate more stable, reduces the shaking and deviation that may occur in the lifting process, and further improves the accuracy of the log turnover operation.

[0015] The utility model discloses further provide that: the turnover conveying mechanism includes two parallel turnover conveying chains, and the two ends of the two turnover conveying chains are respectively meshed with the turnover conveying gears on the two turnover conveying rollers, and the two turnover conveying rollers are rotatably connected with the turnover conveying frame, wherein one of the turnover conveying rollers is connected with a turnover conveying motor fixed on one side of the turnover conveying frame.

[0016] By adopting the technical scheme, the turnover conveying mechanism is used for conveying logs before and after turnover, and under the driving of the turnover conveying motor, the two turnover conveying chains are synchronously operated to drive the logs to be conveyed, so that the logs can be conveyed to the working position of the turnover part before turnover and conveyed to the working position away from the turnover part after turnover, manual carrying is not needed, the labor intensity of the person is greatly reduced, and the production efficiency is improved. In addition, the adjustment mechanism of the turnover conveying chain ensures the smoothness of the logs in the conveying process, reduces the damage caused by friction, and effectively improves the product quality.

[0017] The utility model discloses further provide that: a plurality of log support seats are arranged on the two turnover conveying chains, the two sides of the log support seat are fixedly connected with the two turnover conveying chains, the support surface of the log support seat is a V-shaped surface, a plurality of movable rollers rotatably connected with the log support seat are arranged on the V-shaped surface, and the axis of the movable roller is parallel to the conveying direction of the turnover conveying chain.

[0018] By adopting the technical scheme, the V-shaped support surface can better adapt to the limiting and supporting of logs of different diameters, effectively improve the versatility and flexibility of the equipment, the movable rollers on the V-shaped surface not only can reduce the friction between the logs and the log support seat during turnover, reduce the wear of the equipment, but also can ensure better stability of the logs during turnover and conveying, and the rotation flexibility of the movable rollers makes the logs move more stably.

[0019] The further setting of the utility model is: still include the roundwood loading mechanism for storing roundwood and conveying roundwood to the turnover conveying mechanism one by one laterally, the roundwood loading mechanism is located in the turnover part and is close to the side of the turnover conveying mechanism conveying starting direction.

[0020] Through adopting the above technical scheme, the roundwood loading mechanism is used for realizing automatic feeding, can greatly improve work efficiency, reduce work time, and effectively reduce the risk of injury caused by manual labor intensity and manual operation failure.

[0021] The further setting of the utility model is: the roundwood loading mechanism includes a feeding conveying frame and a feeding conveying mechanism arranged on the feeding conveying frame, the feeding conveying frame is located on one side of the turnover conveying frame, and the feeding conveying mechanism comprises two parallel feeding conveying chains.

[0022] The further setting of the utility model is: the feeding conveying mechanism comprises two parallel feeding conveying chains, the conveying directions of the two feeding conveying chains are perpendicular to the conveying direction of the turnover conveying mechanism, the two ends of the two feeding conveying chains are respectively meshed with feeding conveying gears on two feeding conveying rollers, and the two feeding conveying rollers are respectively rotationally connected with the feeding conveying frame; and one of the feeding conveying rollers is connected with a feeding conveying motor fixed on one side of the feeding conveying frame.

[0023] Through adopting the above technical scheme, the feeding conveying motor drives the feeding conveying rollers to rotate, the feeding conveying rollers drive the two parallel feeding conveying chains to synchronously rotate through the feeding conveying gears when rotating, so that the stored roundwood is conveyed to the turnover conveying mechanism one by one laterally, manual carrying is not needed, the labor intensity of people is greatly reduced, and production efficiency is improved.

[0024] The utility model discloses the beneficial effect is:

[0025] 1. The three gears of the utility model are used for tensioning the annular turnover tooth chain to form a triangular structure, the turnover tooth chain moves downward under the driving of the lifting adjusting mechanism after forming the triangular structure, so that the bottom edge of the turnover tooth chain extrudes the roundwood and cooperates with the tension adjusting mechanism to form a close contact state matched with the shape of the roundwood, when the turnover driving motor is started, the rotation of the turnover tooth chain is driven through the gears, stable grabbing and accurate turnover of the roundwood are realized, the problem that the roundwood slips in the turnover process due to irregular shape in the prior art is solved, and the tension of the turnover tooth chain is automatically adjusted through the tension adjusting mechanism, so that the stability and accuracy of the roundwood in the turnover process are ensured, and production efficiency and operation safety are improved.

[0026] 2. The support surface of the log support seat is V-shaped, which can better adapt to the limiting and supporting of logs of different diameters, effectively improving the versatility and flexibility of the device, and the movable rollers on the V-shaped surface not only can reduce the friction between the logs and the log support seat during the turning process, reduce the wear of the device, but also can ensure better stability of the logs during the turning and conveying process, and the rotation flexibility of the movable rollers makes the logs move more stably.

[0027] 3. The log feeding mechanism is provided, which can realize automatic feeding, greatly improve the work efficiency, reduce the work time, and effectively reduce the risk of injury caused by manual labor intensity and manual operation errors. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0029] Figure 1 is a whole structure schematic view of a log turning and conveying device of the present application.

[0030] Figure 2 is a structure schematic view of a turning part in a log turning and conveying device of the present application.

[0031] In the figure, 1 is a turning conveying frame, 2 is a turning conveying mechanism, 21 is a turning conveying chain, 22 is a turning conveying roller, 23 is a turning conveying gear, 24 is a turning conveying motor, 25 is a log support seat, 26 is a movable roller, 3 is a turning part, 31 is a turning gear chain, 32 is a gear, 33 is a mounting plate, 34 is a first rotating shaft, 35 is a second rotating shaft, 36 is a turning driving motor, 4 is a tension adjusting mechanism, 41 is a longitudinal sliding groove, 42 is a sliding block, 43 is a compression spring, 44 is a third rotating shaft, 5 is a lifting adjusting mechanism, 51 is a lifting adjusting cylinder, 52 is a support plate, 53 is a side plate, 54 is a guide rod, 6 is a log feeding mechanism, 61 is a feeding conveying frame, 62 is a feeding conveying mechanism, 621 is a feeding conveying chain, 622 is a feeding conveying roller, 623 is a feeding conveying gear, and 624 is a feeding conveying motor. DETAILED DESCRIPTION

[0032] The technical solutions of the utility model will be described clearly and completely in connection with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0033] As shown in Figure 1 and Figure 2 A log overturning and conveying device, which comprises an overturning conveying frame 1 and an overturning conveying mechanism 2 arranged on the overturning conveying frame 1, a overturning part 3 for driving the overturning of logs is arranged above the overturning conveying mechanism 2, the overturning part 3 comprises a ring-shaped overturning tooth chain 31 and three gears 32 for tensioning the ring-shaped overturning tooth chain 31, the three gears 32 are in triangular distribution and are rotationally connected with a mounting plate 33, the mounting plate 33 is connected with the overturning conveying frame 1 through a lifting adjusting mechanism 5, the overturning tooth chain 31 is meshed with the three gears 32 respectively, the two gears 32 at the bottom are rotationally connected with the mounting plate 33 through a rotating shaft one 34 and a rotating shaft two 35 respectively, the rotating shaft one 34 or the rotating shaft two 35 is connected with an overturning driving motor 36, and the gear 32 at the top is rotationally connected with the mounting plate 33 through a tension adjusting mechanism 4.

[0034] Further, the tension adjusting mechanism 4 comprises a longitudinal sliding groove 41 arranged on the mounting plate 33, a sliding block 42 is arranged in the longitudinal sliding groove 41, the sliding block 42 is in sliding fit with the longitudinal sliding groove 41, a compression spring 43 is arranged between the bottom of the sliding block 42 and the bottom of the longitudinal sliding groove 41, and the gear 32 at the top is rotationally connected with the sliding block 42 through a rotating shaft three 44.

[0035] Further, the lifting adjusting mechanism 5 comprises a lifting adjusting cylinder 51 for driving the mounting plate 33 to move up and down, the lifting adjusting cylinder 51 is fixed on a supporting plate 52, the two sides of the supporting plate 52 are fixedly connected with the two sides of the overturning conveying frame 1 through side plates 53 respectively, and the telescopic shaft of the lifting adjusting cylinder 51 is fixedly connected with the mounting plate 33.

[0036] Further, the two sides of the telescopic shaft of the lifting adjusting cylinder 51 are respectively provided with guide rods 54, the guide rods 54 are parallel to the telescopic direction of the lifting adjusting cylinder 51, the bottom of the guide rod 54 is fixed on the mounting plate 33, and the guide rod 54 penetrates through the supporting plate 52 and is in sliding fit with the supporting plate 52.

[0037] Further, the turnover conveying mechanism 2 comprises two parallel turnover conveying chains 21, the two ends of the turnover conveying chains 21 are respectively engaged with turnover conveying gears 23 on turnover conveying rollers 22, the turnover conveying rollers 22 are respectively rotatably connected with the turnover conveying frame 1, and one of the turnover conveying rollers 22 is connected with a turnover conveying motor 24 fixed on one side of the turnover conveying frame 1.

[0038] Further, the turnover conveying chains 21 are provided with a plurality of log supporting seats 25, the two sides of the log supporting seats 25 are respectively fixedly connected with the turnover conveying chains 21, the supporting surface of the log supporting seat 25 is a V-shaped surface, a plurality of movable rollers 26 rotatably connected with the log supporting seat 25 are arranged on the V-shaped surface, and the axis of the movable rollers 26 is parallel to the conveying direction of the turnover conveying chains 21.

[0039] Further, the log feeding mechanism 6 for storing logs and conveying the logs one by one to the turnover conveying mechanism 2 is further included, and the log feeding mechanism 6 is located on one side of the turnover part 3 close to the conveying starting direction of the turnover conveying mechanism 2.

[0040] Further, the log feeding mechanism 6 comprises a feeding conveying frame 61 and a feeding conveying mechanism 62 arranged on the feeding conveying frame 61, and the feeding conveying frame 61 is located on one side of the turnover conveying frame 1.

[0041] Further, the feeding conveying mechanism 62 comprises two parallel feeding conveying chains 621, the conveying direction of the feeding conveying chains 621 is perpendicular to the conveying direction of the turnover conveying mechanism 2, the two ends of the feeding conveying chains 621 are respectively engaged with feeding conveying gears 623 on feeding conveying rollers 622, the feeding conveying rollers 622 are respectively rotatably connected with the feeding conveying frame 61, and one of the feeding conveying rollers 622 is connected with a feeding conveying motor 624 fixed on one side of the feeding conveying frame 61.

[0042] The utility model discloses a work principle: the roundwood is placed in turn on the loading and conveying chain 621 of roundwood loading mechanism 6, and the loading and conveying motor 624 drives the rotation of loading and conveying roller 622, and when loading and conveying roller 622 rotates, the synchronous operation of two parallel setting loading and conveying chains 621 is driven by loading and conveying gear 623, thereby the lateral rolling of the stored roundwood is conveyed to turnover conveying mechanism 2 one by one, when the roundwood reaches turnover conveying mechanism 2, and automatically falls in the roundwood support seat 25 of two turnover conveying chains 21, under the drive of turnover conveying motor 24, the synchronous operation of two turnover conveying chains 21, thereby the roundwood is conveyed to the working position of turnover part 3, then the downward movement of mounting plate 33 is driven by the lifting adjusting cylinder 51 in lifting adjusting mechanism 5, and when mounting plate 33 moves downward, the triangular structure of turnover sprocket chain 31 is formed and moves downward, and the bottom edge of the triangular structure extrudes the roundwood, at this moment, the tension of whole turnover sprocket chain 31 is big, and the gear 32 at the top slides along longitudinal sliding slot 41 with pivot three 44 and sliding block 42 under the tension of turnover sprocket chain 31, and the corresponding elastic deformation of compression spring 43 is generated in this process, and the bottom edge of the triangular structure of turnover sprocket chain 31 automatically forms the closely fitted state of the roundwood contour adaptation, at this moment, turnover drive motor 36 is started, and the rotation of gear 32 is driven by pivot one 34 or pivot two 35, thereby the operation of turnover sprocket chain 31 is driven, and the stable grabbing and accurate turnover of roundwood are realized, when the roundwood turnover is completed, turnover conveying motor 24 is controlled to start again, and the synchronous operation of two turnover conveying chains 21 is driven, thereby the roundwood is conveyed, and the roundwood after turnover is conveyed to the working position away from turnover part 3, and the above process is repeated, and the continuous turnover conveying operation can be realized.

Claims

1. A log flipping and conveying device, characterized in that: The system includes a flipping conveyor frame (1) and a flipping conveyor mechanism (2) mounted on the flipping conveyor frame (1). The flipping conveyor mechanism (2) is provided with a flipping part (3) for driving the logs to flip. The flipping part (3) includes an annular flipping tooth chain (31) and three gears (32) for tensioning the annular flipping tooth chain (31). The three gears (32) are triangularly distributed and rotatably connected to the mounting plate (33). The mounting plate (33) is connected to the flipping conveyor frame (1) through a lifting adjustment mechanism (5). The flipping tooth chain (31) meshes with the three gears (32) respectively. The two gears (32) at the bottom are rotatably connected to the mounting plate (33) through a rotating shaft one (34) and a rotating shaft two (35) respectively. The rotating shaft one (34) or the rotating shaft two (35) is connected to the flipping drive motor (36). The gear (32) at the top is rotatably connected to the mounting plate (33) through a tension adjustment mechanism (4).

2. The log turning and conveying device according to claim 1, characterized in that: The tension adjustment mechanism (4) includes a longitudinal slide groove (41) on the mounting plate (33), a slider (42) is provided in the longitudinal slide groove (41), the slider (42) slides in the longitudinal slide groove (41), a compression spring (43) is provided between the bottom of the slider (42) and the bottom of the longitudinal slide groove (41), and a gear (32) located at the top is rotatably connected to the slider (42) through a rotating shaft (44).

3. The log turning and conveying device according to claim 2, characterized in that: The lifting adjustment mechanism (5) includes a lifting adjustment cylinder (51) for driving the mounting plate (33) to move up and down. The lifting adjustment cylinder (51) is fixed on the support plate (52). The two sides of the support plate (52) are fixedly connected to the two sides of the flipping conveyor (1) through side plates (53). The telescopic shaft of the lifting adjustment cylinder (51) is fixedly connected to the mounting plate (33).

4. The log turning and conveying device according to claim 3, characterized in that: Guide rods (54) are provided on both sides of the telescopic shaft of the lifting and adjusting cylinder (51). The guide rods (54) are parallel to the telescopic direction of the lifting and adjusting cylinder (51). The bottom of the guide rods (54) is fixed on the mounting plate (33). The guide rods (54) pass through the support plate (52) and slide with the support plate (52).

5. A log turning and conveying device according to claim 1, characterized in that: The flipping conveyor mechanism (2) includes two parallel flipping conveyor chains (21). The two ends of the two flipping conveyor chains (21) are respectively engaged with the flipping conveyor gears (23) on the two flipping conveyor rollers (22). The two flipping conveyor rollers (22) are respectively rotatably connected to the flipping conveyor frame (1). One of the flipping conveyor rollers (22) is connected to the flipping conveyor motor (24) fixed on one side of the flipping conveyor frame (1).

6. The log turning and conveying device according to claim 5, characterized in that: Multiple log support seats (25) are provided on the two flip conveyor chains (21). The two sides of the log support seats (25) are fixedly connected to the two flip conveyor chains (21) respectively. The support surface of the log support seats (25) is a V-shaped surface. Multiple movable rollers (26) that are rotatably connected to the log support seats (25) are provided on the V-shaped surface. The axis of the movable rollers (26) is parallel to the conveying direction of the flip conveyor chains (21).

7. A log flipping and conveying device according to claim 1, characterized in that: It also includes a log feeding mechanism (6) for storing logs and rolling them side by side to the flipping conveyor mechanism (2), wherein the log feeding mechanism (6) is located on the side of the flipping part (3) near the starting direction of the flipping conveyor mechanism (2).

8. A log flipping and conveying device according to claim 7, characterized in that: The log feeding mechanism (6) includes a feeding conveyor frame (61) and a feeding conveyor mechanism (62) disposed on the feeding conveyor frame (61). The feeding conveyor frame (61) is located on one side of the flipping conveyor frame (1).

9. A log turning and conveying device according to claim 8, characterized in that: The feeding conveying mechanism (62) includes two parallel feeding conveying chains (621). The conveying direction of the two feeding conveying chains (621) is perpendicular to the conveying direction of the flipping conveying mechanism (2). The two ends of the two feeding conveying chains (621) are respectively engaged with the feeding conveying gears (623) on the two feeding conveying rollers (622). The two feeding conveying rollers (622) are respectively rotatably connected to the feeding conveying frame (61). One of the feeding conveying rollers (622) is connected to the feeding conveying motor (624) fixed on one side of the feeding conveying frame (61).

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