Log conveying equipment for wood processing

Abstract

The invention relates to the technical field of wood processing equipment, in particular to log conveying equipment for wood processing, which comprises a workbench, a feeding end of the workbench is provided with a feeding guide plate inclined towards the workbench, and the outer side of the feeding guide plate is connected with a plurality of guide cross rods which are parallel to one another and are perpendicular to the feeding guide plate; the feeding guide plate and the guide cross rod are used for assisting logs to enter the workbench; and the multiple sets of steering conveying parts are symmetrically arranged on the mounting plates on the two sides of the workbench correspondingly. Power is transmitted to the four conveying rollers of the steering conveying part through the variable-speed transmission assembly and the synchronous transmission assembly, so that the four conveying rollers conduct synchronous conveying in the vertical direction and rotate in the same direction but at different speeds in the transverse direction, and therefore the log steering effect can be achieved.

Description

Technical Field

[0001] The invention relates to the technical field of wood processing equipment, in particular to a log conveying equipment for wood processing. Background Art

[0002] In the wood processing industry, log conveying equipment is the key basic equipment throughout the entire production process. From the time logs enter the factory to being transported to various processing steps, such as cutting, peeling, planing, etc., log conveying equipment bears the heavy responsibility of material handling. With the development of the wood industry, products have expanded from primary processed logs to finished products and wood-based panels, and the scale of the industry has continued to expand.

[0003] After the initial sawing of logs, the direction of wood transportation often needs to be changed based on the need to switch from horizontal cutting to vertical cutting, or to smoothly connect different processing steps. However, in actual production scenarios, most common log transportation equipment is a one-way conveyor belt. This type of conveyor belt has a relatively simple function and can only push the wood forward in a certain direction, and has no ability to turn the wood.

[0004] In order to break through this dilemma, the commonly used solution is to add a new conveyor belt at a certain angle to the existing conveyor belt. At the same time, it is necessary to use human assistance or set up a special connection mechanism to achieve the turning operation of the wood. However, this solution has obvious disadvantages: on the one hand, the purchase of new conveyor belts, additional manpower input, and the setting of connection mechanisms have greatly increased the processing costs; on the other hand, the complex operation process has increased the number of processing links, greatly prolonged the processing time, reduced the processing volume per unit time, and significantly reduced the processing efficiency. As a result, it has brought many obstacles to the wood processing companies in achieving their efficient production goals. Summary of the invention

[0005] Therefore, the technical problem to be solved by the present invention is to provide a conveying device that can turn logs.

[0006] The above technical problems are solved by the following technical solutions: The present invention proposes a log conveying equipment for wood processing, which includes a workbench, and the feed end of the workbench is equipped with a feed guide plate inclined toward the workbench, and a plurality of guide cross bars parallel to each other and perpendicular to the feed guide plate are connected to the outer side of the feed guide plate, and the feed guide plate and the guide cross bars are used to assist the logs to enter the workbench.

[0007] Several groups of steering conveying parts are respectively arranged on the mounting plates on both sides of the workbench and are symmetrically arranged. The steering conveying part includes a mounting frame arranged on the mounting plate, and two driving conveying rollers and two driven conveying rollers parallel to each other are rotatably connected on the mounting frame. The same side of the two driving conveying rollers is connected to a speed change transmission assembly, and the other end is coupled with the corresponding driven conveying roller through a synchronous transmission assembly. The steering conveying part is used for steering and conveying logs.

[0008] The vertical conveying part is arranged at the side wall of the workbench 1, which is located exactly in the middle area of ​​several groups of turning conveying parts 2, and is used to drive the logs that have completed the turning to the next step of transportation.

[0009] The posture adjustment part is arranged at the end of the vertical conveying part, and is used for adjusting the conveying posture of the logs.

[0010] In a preferred embodiment of the automatic welding machine for the gas wall-mounted boiler shell of the present invention: two turning guide plates are provided on the workbench at the end of the turning conveying part, and the two turning guide plates are inclined toward the direction of the vertical conveying part, wherein the inclination angle of the turning guide plate on the right is closer to being parallel to the vertical conveying part than that on the left, and a limit baffle is provided on the top of the turning guide plate toward the turning conveying part.

[0011] In a preferred embodiment of the automatic welding machine for the gas wall-mounted boiler shell of the present invention: the speed change transmission assembly includes a first transmission rod and a second transmission rod rotatably connected to the mounting frame, a first motor is arranged at the bottom of the mounting frame, and its output end is connected to the first transmission rod, and a first synchronous wheel and a second synchronous wheel of different sizes are respectively installed at the end of the first transmission rod and the second transmission rod away from the first motor, and power transmission is achieved between the two through a synchronous belt.

[0012] The first transmission rod and the second transmission rod are respectively connected to the driving conveying roller through two pairs of mutually meshing first gears and second gears to achieve transmission connection.

[0013] In a preferred embodiment of the automatic welding machine for the shell of a gas wall-mounted boiler of the present invention: the first synchronous wheel is larger than the second synchronous wheel.

[0014] In a preferred embodiment of the automatic welding machine for the gas wall-mounted boiler shell of the present invention: the synchronous transmission assembly includes a universal coupling arranged at one end of the driving conveying roller and the driven conveying roller close to each other, and the universal couplings at both ends are coupled together with a universal transmission shaft.

[0015] In a preferred embodiment of the automatic welding machine for the gas wall-mounted boiler shell of the present invention: an exposed notch adapted to the driving conveyor roller and the driven conveyor roller is opened on the workbench surface, the driving conveyor roller and the driven conveyor roller are of the same height, and the outermost output teeth on the top are slightly higher than the workbench surface.

[0016] In a preferred embodiment of the automatic welding machine for the casing of the gas wall-mounted boiler according to the present invention: The vertical conveying part includes a second motor arranged outside the workbench. The output end of the second motor is connected to a third transmission rod. The third transmission rod coaxially penetrates and is connected to a third gear. The third gear is meshed and connected with a fourth gear at the top. The fourth gear coaxially penetrates and is connected to a fourth transmission rod. The fourth transmission rod is rotatably connected to the workbench and is connected to the input end of a conveyor belt located in the middle of the workbench.

[0017] In a preferred embodiment of the automatic welding machine for the casing of the gas wall-mounted boiler according to the present invention: The output blades of the conveyor belt are in an inward concave shape that fits the log more closely, and the high points on both sides are lower than the workbench surface.

[0018] In a preferred embodiment of the automatic welding machine for the casing of the gas wall-mounted boiler according to the present invention: The posture adjustment part includes an adjustment plate arranged at the end of the conveyor belt in the conveying direction. A guiding inclined plate is correspondingly installed on the output side of the adjustment plate.

[0019] In a preferred embodiment of the automatic welding machine for the casing of the gas wall-mounted boiler according to the present invention: A guiding notch is correspondingly opened on the side wall of the workbench near the guiding inclined plate. The height of the bottom of the guiding notch is slightly higher than the topmost end of the inclination angle of the guiding inclined plate and slightly lower than the high points on both sides of the output blades.

[0020] 1. The beneficial effects of the present invention are as follows: Through the linkage of the variable-speed transmission component and the synchronous transmission component, one first motor is used to drive four conveying rollers. The four conveying rollers vertically convey synchronously and horizontally rotate in the same direction at different speeds, which can not only realize the turning and straightening of the log, but also reduce energy consumption and space occupation. The synchronous transmission component ensures that the rotating speeds of the conveying rollers on the same side are consistent, avoiding the jamming of the log during transportation. The exposed notch design protects the transmission mechanism, extends the service life of the equipment, and improves the smoothness and stability of turning.

[0021] 2. The beneficial effects of the present invention are as follows: The inclination angle of the feeding guiding plate and the guiding cross bar are arranged in parallel to form a composite guiding structure. By means of gravity, the log automatically rolls down to the turning conveying part. The horizontal limit reduces the risk of deviation. The right side of the turning guiding plate approaches parallel to the vertical conveying part, and the left side increases the inclination, dynamically adjusting the posture of the log during turning, solving the problem of secondary rectification of incomplete turning, and significantly improving the initial guiding efficiency and turning accuracy.

[0022] 3. The beneficial effects of the present invention are as follows: The attitude adjustment part adopts the linkage design of the concave conveyor belt and the adjustment plate to achieve passive correction of the log attitude. When the logs crossed in an X shape enter the adjustment plate area, the guiding inclined plate guides them to roll, and the crossing is automatically released through dynamic rolling friction. The height of the guiding notch is higher than the top of the guiding inclined plate and lower than the highest point of the conveying blades, ensuring that when the logs leave the conveying system, they can be output in a single row in an orderly manner, completely avoiding the risk of processing interruption caused by log stacking. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly introduced below. Obviously, the drawings described below only relate to some embodiments of the present invention and do not limit the present invention. Among them:

[0024] Figure 1 Shows the overall structural connection schematic diagram of the present invention.

[0025] Figure 2 Shows the structural connection schematic diagram of the steering conveying part and the steering guide plate of the present invention.

[0026] Figure 3 Shows the structural connection schematic diagram of the steering conveying part inside the workbench of the present invention.

[0027] Figure 4 Shows the structural connection schematic diagram of the variable speed transmission component and the synchronous transmission component of the present invention.

[0028] Figure 5 Shows the structural connection schematic diagram of the variable speed transmission component and the driving conveying roller of the present invention.

[0029] Figure 6 Shows the structural connection schematic diagram of the vertical conveying part and the attitude adjustment part of the present invention.

[0030] Reference numerals: 1, workbench; 11, feeding guide plate; 12, guiding cross bar; 2, steering conveying part; 21, mounting plate; 22, mounting frame; 23, driving conveying roller; 24, driven conveying roller; 25, variable speed transmission component; 251, first transmission rod; 252, second transmission rod; 253, first motor; 254, first synchronous pulley; 255, second synchronous pulley; 256, synchronous belt; 257, first gear; 258, second gear; 26, synchronous transmission component; 261, universal coupling; 262, universal transmission shaft; 27, exposed notch; 3, vertical conveying part; 31, second motor; 32, third transmission rod; 33, third gear; 34, fourth gear; 35, fourth transmission rod; 36, conveyor belt; 4, attitude adjustment part; 41, adjustment plate; 42, guiding inclined plate; 43, guiding notch; 5, steering guide plate; 51, limiting baffle. Detailed implementation manners

[0031] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below in conjunction with the specific implementation manners and the accompanying drawings.

[0032] The terms used in the present invention are those general terms that are currently widely used in the art in consideration of the functions of the present invention. However, these terms may vary according to the intentions of those of ordinary skill in the art, precedents, or new technologies in the art. In addition, specific terms may be selected by the applicant, and in such cases, their detailed meanings will be described in the detailed description of the present invention. Therefore, the terms used in the specification should not be understood as simple names, but based on the meanings of the terms and the overall description of the present invention.

[0033] Referring to Figure 1 , this embodiment provides a log conveying device for wood processing, including a workbench 1. An inlet guiding plate 11 inclined towards the workbench 1 is assembled at the feeding end of the workbench 1. A plurality of guiding cross bars 12 parallel to each other and perpendicular to the inlet guiding plate 11 are connected to the outside of the inlet guiding plate 11. The inlet guiding plate 11 and the guiding cross bars 12 are used to assist the logs to enter the workbench 1.

[0034] In use, the inlet guiding plate 11 and the guiding cross bars 12 cooperate with each other and are specifically used to guide the laterally rolled logs. The two cooperate to enable the logs to roll more smoothly onto the turning conveying part 2 on the workbench 1, improving the guiding efficiency and accuracy at the initial stage of log conveying.

[0035] The inlet guiding plate 11 is provided with an inclination angle inclined towards the table top of the workbench 1. Under the action of gravity, the logs guided by the inlet guiding plate 11 will automatically roll to the lower turning conveying part 2. During this process, the logs obtain the initial kinetic energy and can thus roll to the lower turning conveying part 2.

[0036] The workbench 1 adopts a common frame structure. The turning conveying parts 2 are distributed on both sides of the front end of the workbench 1, and the vertical conveying part 3 is arranged in the middle position of the workbench 1 and is exactly in the center of the two turning conveying parts 2 on both sides.

[0037] Referring to Figure 1 — Figure 5 , a plurality of groups of turning conveying parts 2 are respectively arranged on the mounting plates 21 on both sides of the workbench 1 and are symmetrically arranged. The turning conveying part 2 includes a mounting frame 22 arranged on the mounting plate 21. Two driving conveying rollers 23 and two driven conveying rollers 24 parallel to each other are rotatably connected to the mounting frame 22. The same ends of the two driving conveying rollers 23 are both connected with a variable speed transmission assembly 25, and the other ends are respectively coupled and connected to the corresponding driven conveying rollers 24 through a synchronous transmission assembly 26. The turning conveying part 2 is used to turn and convey the logs.

[0038] Reference Figure 1 、 Figure 3 and Figure 6 , the vertical conveying part 3 is arranged at the side wall of the workbench 1, and this position is exactly in the middle area of several groups of turning conveying parts 2, and is used to drive the logs that have completed turning for the next conveying.

[0039] Reference Figure 1 and Figure 6 , the attitude adjustment part 4 is arranged at the end of the vertical conveying part 3, and is used to adjust the conveying attitude of the logs.

[0040] In use, the mounting plate 21 plays a role in mounting and fixing the turning conveying part 2, and the driving conveying roller 23, the driven conveying roller 24, the variable speed transmission component 25 and the synchronous transmission component 26 are simultaneously arranged on the mounting frame 22.

[0041] The driving conveying roller 23 in the front of the turning conveying part 2 transmits power to the driven conveying roller 24 at the rear through the synchronous transmission component 26, ensuring their synchronous operation, effectively avoiding the situation of jamming, deviation or even damage of the logs during the conveying process due to the difference in roller speeds, and ensuring the smoothness and stability of the conveying process.

[0042] Among them, in each group of turning conveying parts 2, the driving conveying roller 23 and the driven conveying roller 24 close to the vertical conveying part 3 are defined as the inner conveying rollers; the driving conveying roller 23 and the driven conveying roller 24 far from the vertical conveying part 3 are the outer conveying rollers.

[0043] Therefore, the driving conveying roller 23 and the driven conveying roller 24 on the same side transmit power to the driving conveying roller 23 and the driven conveying roller 24 on the other side through the variable speed transmission component 25, so that the rotational speeds of the driving conveying roller 23 and the driven conveying roller 24 on each side are different, thereby realizing the turning effect. Moreover, using a single power source not only reduces costs but also improves space utilization.

[0044] After the logs enter the workbench 1 through the feeding guide plate 11 and the guide cross bar 12, they are immediately driven and conveyed by several groups of turning conveying parts 2. The conveying direction of the turning conveying parts 2 is obliquely rearward and is not perpendicular to the vertical conveying part 3. Under its action, the logs start to perform turning operations from the initial horizontal placement state.

[0045] After the logs complete turning, the vertical conveying part 3 starts to play a role and conveys the turned logs backward. Subsequently, the logs pass through the attitude adjustment part 4 and are unloaded to the designated processing position, completing the entire conveying process.

[0046] Reference Figure 3 — Figure 5, the variable speed transmission assembly 25 includes a first transmission rod 251 and a second transmission rod 252 rotatably connected to the mounting bracket 22, and a first motor 253 provided at the bottom of the mounting bracket 22, the output end of which is connected to the first transmission rod 251. At the ends of the first transmission rod 251 and the second transmission rod 252 away from the first motor 253, a first synchronous pulley 254 and a second synchronous pulley 255 with different sizes are respectively assembled, and power transmission between the two is achieved through a synchronous belt 256; the first transmission rod 251 and the second transmission rod 252 are respectively connected to the two driving conveyor rollers 23 through two pairs of meshing first gears 257 and second gears 258 to achieve transmission connection.

[0047] Refer to Figure 3 — Figure 5 , the size of the first synchronous pulley 254 is larger than that of the second synchronous pulley 255.

[0048] During use, the first motor 253 drives the first transmission rod 251 to rotate. Since the first synchronous pulley 254 and the second synchronous pulley 255 with different sizes are respectively installed on the first transmission rod 251 and the second transmission rod 252, their rotational speeds are different, and further the rotational speeds of the two driving conveyor rollers 23 connected thereto also have differences, forming a speed difference. Specifically, because the size of the first synchronous pulley 254 is larger than that of the second synchronous pulley 255, the rotational speed of the outer driving conveyor roller 23 is higher than that of the inner driving conveyor roller 23. When the log is conveyed on these driving conveyor rollers 23, affected by the different rotational speeds, the log will be straightened and parallel to the conveying direction of the vertical conveying part 3.

[0049] The first motor 253 is fixed to the bottom of the mounting bracket 22, while the first transmission rod 251, the second transmission rod 252, the driving conveyor roller 23 and the driven conveyor roller 24 are all rotatably connected to the corresponding mounting bracket 22.

[0050] Refer to Figure 3 — Figure 4 , the synchronous transmission assembly 26 includes a universal coupling 261 provided at the mutually close ends of the driving conveyor roller 23 and the driven conveyor roller 24, and the two universal couplings 261 at both ends are commonly coupled and connected to a universal transmission shaft 262.

[0051] Refer to Figure 1 and Figure 2 , an exposed notch 27 adapted to the driving conveyor roller 23 and the driven conveyor roller 24 is provided on the tabletop of the workbench 1. The driving conveyor roller 23 and the driven conveyor roller 24 are of the same height, and the outermost output teeth at the top are slightly higher than the tabletop of the workbench 1.

[0052] In use, the driving conveying roller 23 and the driven conveying roller 24 are coupled by means of a universal coupling 261 and a universal transmission shaft 262, so that the driving conveying roller 23 on each side can drive the corresponding driven conveying roller 24 to rotate synchronously. On the left and right sides of the workbench 1, several groups of steering conveying parts 2 form two conveying roller belts with different rotation speeds. When the log is placed thereon, it will continuously receive a steering effect. Coupled with the combined force of the symmetrically arranged steering conveying parts 2 on both sides of the workbench 1, the log is blessed with a double steering effect, thus realizing a more efficient counterclockwise rotation steering.

[0053] The conveying directions of the driving conveying roller 23 and the driven conveying roller 24 point obliquely backward and are not perpendicular to the vertical conveying part 3. To adapt to this conveying direction, their axes are also not perpendicular to the vertical conveying part 3. Therefore, the conveying rollers on the two conveying roller belts are arranged in a way that their axes are parallel and not on the same straight line. This way can better convey the logs. In order to achieve this conveying effect and realize synchronous transmission, the universal coupling 261 and the universal transmission shaft 262 cooperate with each other, and can effectively couple and connect the driving conveying roller 23 and the driven conveying roller 24 on the same side with inconsistent axes, and synchronously transmit the movement of the front driving conveying roller 23 to the rear driven conveying roller 24, ensuring the stability and synchronism of the transmission and reducing the risk of equipment failure.

[0054] In addition, an exposed notch 27 is opened on the workbench 1, providing sufficient output space for the driving conveying roller 23 and the driven conveying roller 24. The driving conveying roller 23 and the driven conveying roller 24 can extend outwards from this notch, and the output teeth on the outer side of the rollers can also be exposed from the exposed notch 27, so that they can be in direct contact with the logs placed on the tabletop of the workbench 1, and thus the log steering and conveying can be completed.

[0055] In addition, the design of the exposed notch 27 prevents the variable speed transmission component 25 and the synchronous transmission component 26 connected to the driving conveying roller 23 and the driven conveying roller 24 from being directly exposed outside the workbench 1, playing a good protective role, thereby extending the service life of the equipment and reducing the maintenance cost and replacement frequency of the equipment.

[0056] Refer to Figure 6 , the vertical conveying part 3 includes a second motor 31 arranged outside the workbench 1. The output end of the second motor 31 is connected with a third transmission rod 32. The third transmission rod 32 is coaxially penetrated and connected with a third gear 33. The third gear 33 is meshed and connected with a fourth gear 34 at the top. The fourth gear 34 is coaxially penetrated and connected to a fourth transmission rod 35. The fourth transmission rod 35 is rotatably connected to the workbench 1 and is connected to the input end of a conveyor belt 36 located in the middle of the workbench 1.

[0057] Refer to Figure 3 and Figure 6, the output blades of the conveyor belt 36 are concave and more conform to the log, and the highest points on both sides are lower than the tabletop of the workbench 1.

[0058] During use, after the second motor 31 is started, it drives the third transmission rod 32 to rotate. With the meshing transmission of the third gear 33 and the fourth gear 34, the upper fourth transmission rod 35 rotates synchronously, and then drives the conveyor belt 36 to continuously convey backward, realizing the continuous backward transfer of the logs that have completed the turning.

[0059] The conveyor belt 36 is a common existing device. Its output blades are designed in a concave shape, which can closely conform to the contour of the log, improving the convenience of log transportation. When the log is conveyed to the conveying blades by the turning conveying part 2, due to the limitation of the concave design, the log is not easy to roll down, playing a good protective role. At the same time, the highest points on both sides of the conveying blades of the conveyor belt 36 are lower than the tabletop of the workbench 1, while the output teeth at the outermost sides of the tops of the driving conveying rollers 23 and the driven conveying rollers 24 are slightly higher than the tabletop of the workbench 1. When the turning conveying part 2 conveys the log, the vertical conveying part 3 will not interfere with its operation. Once the turning conveying part 2 completes the turning operation of both ends of the log, the log can smoothly enter the output blades of the conveyor belt 36 and be continuously conveyed backward.

[0060] Refer to Figure 1 and Figure 2 , there are two turning guide plates 5 at the position of the end of the turning conveying part 2 on the workbench 1. Both turning guide plates 5 are inclined towards the vertical conveying part 3. Among them, the inclination angle of the right turning guide plate 5 is closer to being parallel to the vertical conveying part 3 than that of the left side. A limit baffle 51 is provided on the side of the top of the turning guide plate 5 facing the turning conveying part 2.

[0061] During use, the left turning guide plate 5 and the corresponding turning conveying part 2 work together. When some logs cannot be completely turned in the turning conveying part 2, the left turning guide plate 5 will play a guiding role. Affected by it, the log will complete the guiding action with the assistance of the turning guide plate 5 and finally smoothly enter the vertical conveying part 3 to realize turning and conveying.

[0062] The inclination angle of the right turning guide plate 5 is different from that of the left side. It is closer to being parallel to the vertical conveying part 3. This design makes the log preferentially contact the left turning guide plate 5 during conveying and adjust its posture under its extrusion and guidance. The setting that the right turning guide plate 5 is closer to being parallel to the vertical conveying part 3 reserves sufficient space for the extrusion and guiding work of the left turning guide plate 5 on the log, ensuring the smooth progress of the entire turning and guiding process.

[0063] Refer to Figure 1 and Figure 6The posture adjustment part 4 includes an adjustment plate 41 arranged at the end of the conveying direction of the conveyor belt 36, and a guide inclined plate 42 is correspondingly installed on the output side of the adjustment plate 41.

[0064] Reference Figure 6 A guide notch 43 is correspondingly provided on the side wall of the workbench 1 close to the guide inclined plate 42. The bottom height of the guide notch 43 is slightly higher than the top of the inclination angle of the guide inclined plate 42 and slightly lower than the high points on both sides of the output blades.

[0065] During use, the turned logs are transported backwards through the vertical conveying section 3. When they come into contact with the obliquely arranged adjustment plate 41, their movement is interfered with. Under the interference, the logs roll from the guide inclined plate 42 to the next processing position, thus completing the entire transport process.

[0066] When transporting logs with smaller diameters in batches, these logs may cross together in an X shape, which will have an adverse effect on transportation and subsequent processing. However, when these crossed logs move to the adjustment plate 41 under the action of the vertical conveying part 3, they will also be interfered by the movement of the adjustment plate 41. In the process of continuing to be transported backward and rolling to the next processing position, the logs will automatically release the crossed state by rolling, ensuring that subsequent transportation and processing can proceed smoothly.

[0067] Finally, it should be pointed out that the methods and devices described in detail above are only embodiments, and those skilled in the art can modify these embodiments in different ways without departing from the scope of the present invention.

Claims

1. A log conveying device for wood processing, characterized in that: include, A workbench, the feed end of the workbench is equipped with a feed guide plate inclined toward the workbench, and the outer side of the feed guide plate is connected to a plurality of guide cross bars parallel to each other and perpendicular to the feed guide plate, and the feed guide plate and the guide cross bars are used to assist the logs to enter the workbench; Several groups of steering conveying parts are respectively arranged on the mounting plates on both sides of the workbench and are symmetrically arranged. The steering conveying parts include a mounting frame arranged on the mounting plate, and two driving conveying rollers and two driven conveying rollers parallel to each other are rotatably connected on the mounting frame. The same end of the two driving conveying rollers is connected to a variable speed transmission assembly, and the other ends are respectively coupled to the corresponding driven conveying rollers through a synchronous transmission assembly. The steering conveying part is used to steer the logs for conveying; The vertical conveying part is arranged on the side wall of the workbench, which is located in the middle area of ​​several groups of turning conveying parts, and is used to drive the logs that have completed the turning to the next step of conveying; The posture adjustment part is arranged at the end of the vertical conveying part, and is used for adjusting the conveying posture of the logs.

2. The log conveying equipment for wood processing according to claim 1, characterized in that: Two turning guide plates are provided on the workbench at the end of the turning conveying part, and both of the turning guide plates are inclined toward the direction of the vertical conveying part, wherein the inclination angle of the turning guide plate on the right is closer to being parallel to the vertical conveying part than that on the left, and a limit baffle is provided on the top of the turning guide plate toward the turning conveying part.

3. The log conveying equipment for wood processing according to claim 1, characterized in that: The speed change transmission assembly includes a first transmission rod and a second transmission rod rotatably connected to the mounting frame, a first motor provided at the bottom of the mounting frame, an output end of which is connected to the first transmission rod, and a first synchronous wheel and a second synchronous wheel of different sizes are respectively provided at the ends of the first transmission rod and the second transmission rod away from the first motor, and power transmission is achieved between the two through a synchronous belt; The first transmission rod and the second transmission rod are respectively connected to the two driving conveying rollers through two pairs of mutually meshing first gears and second gears to achieve transmission connection.

4. The log conveying equipment for wood processing according to claim 3, characterized in that: The first synchronous wheel is larger than the second synchronous wheel.

5. The log conveying equipment for wood processing according to claim 1 or 3, characterized in that: The synchronous transmission assembly includes a universal coupling arranged at one end of the driving conveying roller and the driven conveying roller close to each other, and the universal couplings at both ends are commonly coupled and connected with a universal transmission shaft.

6. The log conveying equipment for wood processing according to claim 1, characterized in that: The workbench surface is provided with an exposed notch adapted to the driving conveying roller and the driven conveying roller. The driving conveying roller and the driven conveying roller are of the same height, and the outermost output teeth at the top are slightly higher than the workbench surface.

7. The log conveying equipment for wood processing according to claim 1, characterized in that: The vertical conveying part includes a second motor arranged on the outside of the workbench, the output end of the second motor is connected to the third transmission rod, the third transmission rod is coaxially connected with a third gear, the third gear is meshed with the fourth gear on the top, the fourth gear is coaxially connected to the fourth transmission rod, the fourth transmission rod is rotatably connected to the workbench, and is connected to the conveyor belt input end located in the middle of the workbench.

8. The log conveying equipment for wood processing according to claim 7, characterized in that: The output blades of the conveyor belt are in a concave shape that better fits the logs, and the high points on both sides are lower than the workbench surface.

9. The log conveying equipment for wood processing according to claim 1 or 7, characterized in that: The posture adjustment part comprises an adjustment plate arranged at the end of the conveying direction of the conveyor belt, and a guide inclined plate is correspondingly installed on the output side of the adjustment plate.

10. The log conveying equipment for wood processing according to claim 9, characterized in that: A guide notch is correspondingly provided on one side of the workbench side wall close to the guide ramp, and the bottom height of the guide notch is slightly higher than the top of the inclination angle of the guide ramp and slightly lower than the high points on both sides of the output blade.

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