Chain saw cutting performance detection equipment

Abstract

The invention discloses chain saw cutting performance detection equipment which comprises a sawn timber conveying mechanism, an installation frame located at one end of the sawn timber conveying mechanism, a saw cutting mechanism installed on the installation frame, a feeding force adjusting mechanism installed on the saw cutting mechanism and an oil consumption measuring mechanism. And the saw dust collecting mechanism is used for collecting saw dust generated by saw cutting of the saw cutting mechanism. Through the arrangement of the sawing mechanism, feeding force is applied to the chain saw, compared with the best effort manually applied by an operator, the feeding force output by the sawing mechanism is more uniform and stable, the manual influence on the magnitude of the feeding force is avoided, and therefore the sawing stability of sawn timber is guaranteed; and human factor interference is avoided so as to objectively measure the real performance level of the chain saw.

Description

Technical Field

[0001] This invention relates to the field of chainsaw performance testing technology, and specifically to a chainsaw cutting performance testing device. Background Technology

[0002] As a highly efficient cutting tool, the core performance of a chainsaw lies in its efficiency and economy in sawing operations. Therefore, accurate and objective testing and evaluation of chainsaw cutting performance is of paramount importance. It serves as the fundamental basis for product research and development and optimized design, providing reliable data support for engineers to verify the performance improvements of new designs (such as engines and chain tooth profiles). It is a core guarantee for quality control and production consistency, ensuring that every product leaving the factory meets established standards, a crucial link in maintaining brand reputation. Furthermore, it provides a fair and unified benchmark for comparison between different products and brands, offering objective evidence for authoritative third-party evaluations and user selection, avoiding subjective bias. Performance data is also directly related to the end-user's operational efficiency and economic benefits; key indicators (such as fuel consumption) directly impact operating costs.

[0003] However, existing performance evaluation methods are insufficient to meet these requirements and still rely heavily on the operator's subjective experience. A common practice is to rely on the operator to hand-hold a chainsaw to cut a fixed piece of timber, and then estimate the sawing efficiency by manually timing the cut (e.g., with a stopwatch) and combining this with the size of the timber. This approach has a fundamental flaw: During manual operation, the feed force applied by the operator cannot be kept uniform and stable. This inconsistent and intermittent feeding method causes the load on the saw chain to fluctuate drastically, resulting in unstable sawing of the timber. This makes the test process unable to truly reflect the inherent performance of the equipment, and the obtained "efficiency" is actually the result of human-machine interaction, which cannot be separated from human interference to objectively measure the true performance level of the chainsaw itself. Secondly, different chainsaw models have varying weights. When the feed force cannot be kept constant, weight further exacerbates operational instability. Heavier chainsaws may generate greater downward pressure due to their own weight, while lighter chainsaws rely more on manual pushing force. This inconsistent force conditions render the sawing efficiency data between different chainsaws incomparable. Therefore, efficiency comparisons based on this method lack practical reference value and are difficult to use as an effective basis for evaluating chainsaw performance.

[0004] Therefore, it is necessary to design a testing device that can objectively measure the true performance level of the chainsaw itself. Summary of the Invention

[0005] The purpose of this invention is to provide a chainsaw cutting performance testing device to solve the problem that existing testing devices in the background art cannot objectively measure the true performance level of the chainsaw itself.

[0006] To achieve the above objectives, the present invention proposes a chainsaw cutting performance testing device, including a sawn timber conveying mechanism, a mounting frame located at one end of the sawn timber conveying mechanism, a sawing mechanism mounted on the mounting frame, a feed force adjustment mechanism and an oil consumption measuring mechanism mounted on the sawing mechanism, and a sawdust collection mechanism for collecting sawdust generated by the sawing mechanism.

[0007] Optionally, the sawn timber conveying mechanism moves the sawn timber toward the mounting frame, and the sawing mechanism performs sawing operations on the conveyed sawn timber.

[0008] Optionally, the sawing mechanism uses gravity as the feed force for the chainsaw, thereby driving the chainsaw to move and saw the timber.

[0009] Optionally, the feed force adjustment mechanism is used to control the feed force of the sawing mechanism so that the sawing mechanism saws the lumber with a constant feed force.

[0010] Optionally, the oil consumption measurement mechanism is used to monitor the change in oil quantity before and after each sawing operation by the sawing mechanism.

[0011] Optionally, the feed force adjustment mechanism counteracts the gravity of the sawing mechanism, so that the gravity of the sawing mechanism serves as the feed force.

[0012] Optionally, the sawn timber conveying mechanism includes a frame, a plurality of first power sources mounted on the frame, a plurality of conveying roller sets mounted on the frame, and a first connecting member for connecting the first power sources and the conveying roller sets; the number of conveying roller sets is equal to the number of first power sources.

[0013] Optionally, a clamping mechanism is installed on the sawn timber conveying mechanism. The clamping mechanism is mounted on the frame to monitor the remaining amount of sawn timber and to clamp the sawn timber. The sawn timber conveying mechanism is provided with no less than one sawing station, and each sawing station is filled with sawn timber.

[0014] Optionally, the sawing conveyor is equipped with multiple sawing stations.

[0015] Optionally, the conveyor roller assembly includes several pairs of support seats mounted on the frame, support rollers movably mounted on the support seats, and several driven members mounted on the ends of the support rollers.

[0016] Optionally, an active component is installed on the first power source, which is connected to one of the driven components via a first connecting component.

[0017] Optionally, the clamping mechanism includes a clamping mounting block mounted on the frame, a third power source mounted on the clamping mounting block, a clamping mounting block mounted on the third power source, a clamping block movably mounted on the clamping mounting block, and a first sensor mounted on the clamping mounting block or the third power source.

[0018] Optionally, when the number of pairs of support seats is greater than 2, a second connector is installed on the driven member on the support roller, which is used to connect the driven members on adjacent support rollers.

[0019] Optionally, a limit wheel or limit roller may be installed on the support roller.

[0020] Optionally, the conveyor roller assembly also includes a conveyor rail mounted on the frame, a slider slidably mounted on the conveyor rail, and a sliding support plate mounted on the slider.

[0021] Optionally, the mounting frame is also equipped with a moving component for moving the sawing mechanism; the sawing mechanism includes a sawing mounting base mounted on the moving component, a second power source mounted on the sawing mounting base, a lifting mounting plate movably mounted on the second power source, a chainsaw mounted on the lifting mounting plate, a guide component movably mounted on the sawing mounting base and connected to the lifting mounting plate, a starting component for starting the chainsaw, and a fixing component mounted on the lifting mounting plate for fixing the chainsaw and controlling the chainsaw throttle.

[0022] Optionally, the fixing component moves synchronously with the chainsaw, maintaining throttle control over the chainsaw during the sawing process.

[0023] Optionally, the feed force adjustment mechanism is installed on the sawing mount and connected to the lifting mount plate to adjust the gravity on the lifting mount plate, thereby adjusting the feed force of the chainsaw; the fuel consumption measurement mechanism is installed on the sawing mount and the guide assembly.

[0024] Optionally, the feed force adjustment mechanism includes a reversing structure mounted on the sawing mounting base, a third connector with one end mounted on the lifting mounting plate and the other end passing through the reversing structure, and a counterweight structure connected to the other end of the third connector.

[0025] Optionally, the sawing mount is equipped with ribs.

[0026] Optionally, the guide assembly includes a guide rod that runs through the sawing mount, a linkage plate mounted on top of the guide rod, and the bottom of the guide rod connected to the lifting mount plate.

[0027] Optionally, the starting assembly includes a starter motor, a take-up reel mounted on the starter motor, and a traction rope with one end connected to the take-up reel, the other end of which is detachably connected to the starter rope of the chainsaw.

[0028] Optionally, the fixing assembly includes a pressure plate mounted on a lifting mounting plate for pressing and fixing the chainsaw, a fourth power source mounted on the pressure plate, and a rotating pressing block mounted on the fourth power source corresponding to the throttle of the chainsaw.

[0029] Optionally, the reversing structure includes a reversing plate, a reversing wheel movably mounted on the reversing plate, and a third connecting member that is a flexible connecting rope, one end of which is connected to the lifting mounting plate and the other end of which is connected to the counterweight structure.

[0030] Optionally, the counterweight structure includes a counterweight box connected to the other end of the third connector, a storage tank mounted on the sawing mounting base, and water pumps connected to the counterweight box and the storage tank at both ends, thereby adjusting the weight of the counterweight box.

[0031] Optionally, the weight of the counterweight box acts on the third connector; the tank contains liquid, which may be clean water.

[0032] Optionally, the sawing mount is arranged in a Z-shape.

[0033] Optionally, the fuel consumption measurement mechanism includes a second sensor and an adjustment element, with a squeeze block mounted on the adjustment element toward the second sensor.

[0034] Optionally, the second sensor and the adjusting element are respectively mounted on the sawing mounting base and the linkage plate, or respectively mounted on the sawing mounting base and the lifting mounting plate.

[0035] Optionally, when the second power source drives the lifting mounting plate to rise to a designated position, or when the lifting mounting plate falls to a designated position due to gravity, the extrusion block extrudes the second sensor. The pressure on the second sensor changes before and after the chainsaw cuts, thereby measuring the amount of oil consumed by the chainsaw cutting.

[0036] Optionally, the moving component includes a moving guide rail mounted on the mounting bracket, a moving slider mounted on the sawing mount and slidably connected to the moving guide rail, a driving synchronous wheel and a driven synchronous wheel movably mounted on the mounting bracket, a synchronous belt fitted onto the driving synchronous wheel and the driven synchronous wheel, and a fifth power source for driving the driving wheel to rotate.

[0037] Optionally, the timing belt is connected to the sawing mount.

[0038] Optionally, the sawdust collection mechanism includes a sawdust collection frame, a rotating roller movably mounted on the sawdust collection frame, a sixth power source mounted on the sawdust collection frame and connected to one of the rotating rollers, and a conveyor belt fitted onto the rotating roller.

[0039] Optionally, the mounting frame is also equipped with a chip guide plate for guiding sawdust. The sawn timber passes through the chip guide plate, and the sawdust generated after the sawing mechanism cuts the sawn timber will fall onto the conveyor belt through the guide plate.

[0040] Compared with the prior art, the present invention provides a chainsaw cutting performance testing device, which has the following beneficial effects: This chainsaw cutting performance testing equipment applies a feed force to the chainsaw through the setting of the sawing mechanism. Compared with the force applied manually by the operator, the feed force output by the sawing mechanism is more uniform and stable, avoiding the influence of human factors on the magnitude of the feed force, thereby ensuring the stability of sawing the sawn material, eliminating human interference, and objectively measuring the true performance level of the chainsaw itself. In addition, by setting up a feed force adjustment mechanism, the comparability of data between different chainsaw models is enhanced. The feed force output by the sawing mechanism can be adjusted according to the weight of different chainsaw models. This allows chainsaws of different weights, powers, or structures to be tested fairly under the same benchmark under the condition of constant feed force. This makes the efficiency comparison have practical reference value and provides data support for users to make objective and reasonable equipment selections. Attached Figure Description

[0041] Figure 1 This is a schematic diagram of the overall structure of the chainsaw cutting performance testing equipment of the present invention.

[0042] Figure 2 This is a schematic diagram of the overall structure from another perspective of the present invention.

[0043] Figure 3 This is a schematic diagram of the sawn timber conveying mechanism of the present invention.

[0044] Figure 4 This is the present invention. Figure 3 A magnified view of a portion of point A in the middle.

[0045] Figure 5 This is a schematic diagram of the sawn timber conveying mechanism and clamping mechanism of the present invention.

[0046] Figure 6 This is the present invention. Figure 5 A magnified view of a section at point B.

[0047] Figure 7 This is the present invention. Figure 5 A magnified view of a section at point C.

[0048] Figure 8 This is a schematic diagram of the sawing mechanism of the present invention.

[0049] Figure 9 This is a schematic diagram of the sawing mechanism from another perspective of the present invention.

[0050] Figure 10 This is the present invention. Figure 9 A magnified view of a section at point D.

[0051] Figure 11 This is a schematic diagram of the structure of the fixing component of the present invention.

[0052] Figure 12This is a structural schematic diagram of the fixing component of the present invention from another perspective.

[0053] Figure 13 This is a schematic diagram of the feed force adjustment mechanism and fuel consumption measurement mechanism of the present invention.

[0054] Figure 14 This is the present invention. Figure 13 A magnified view of a section at point E in the middle.

[0055] Figure 15 This is a schematic diagram of the feed force adjustment mechanism of the present invention from another perspective.

[0056] Figure 16 This is a schematic diagram of the structure of the storage tank and water pump of the present invention.

[0057] Figure 17 This is a schematic diagram of the sawdust collection mechanism of the present invention.

[0058] Figure 18 This is a schematic diagram of the structure of the rotating roller of the present invention.

[0059] Figure 19 This is a schematic diagram of the structure of the moving component of the present invention.

[0060] Figure 20 This is a structural schematic diagram of the moving component of the present invention from another perspective. Figure 21 This is a schematic diagram of the sawn timber conveying mechanism in Embodiment 2 of the present invention.

[0061] Figure 22 This is the present invention. Figure 21 A magnified view of a section at point F.

[0062] Figure 23 This is a schematic diagram of the sawdust collection mechanism in Embodiment 3 of the present invention.

[0063] Figure 24 This is a schematic diagram of the sawdust collection mechanism from another perspective in Embodiment 3 of the present invention.

[0064] The diagram shows the following components: 100, sawn timber conveying mechanism; 110, frame; 120, first power source; 130, conveyor roller assembly; 131, support base; 132, support roller; 1321, limit wheel; 1322, limit roller; 133, driven component; 134, driving component; 135, second connecting component; 136, conveying guide rail; 137, slider; 138, sliding support plate; 140, first connecting component; 200, mounting frame. 300. Sawing mechanism; 310. Sawing mounting base; 311. Rib plate; 320. Second power source; 330. Lifting mounting plate; 340. Chainsaw; 350. Guide assembly; 351. Guide rod; 352. Linkage plate; 360. Starting assembly; 361. Starter motor; 362. Rewinding reel; 363. Traction rope; 370. Fixing assembly; 371. Pressing plate; 372. Fourth power source; 373. Rotary pressing mechanism. Block; 400, Feed force adjustment mechanism; 410, Reversing structure; 411, Reversing plate; 412, Reversing wheel; 420, Third connecting piece; 430, Counterweight structure; 431, Counterweight box; 432, Storage tank; 433, Water pump; 500, Fuel consumption measurement mechanism; 510, Second sensor; 520, Adjusting component; 530, Extrusion block; 600, Clamping mechanism; 610, Clamping mounting block; 620, Third power source; 6 30. Clamping mounting block; 640. Clamping block; 650. First sensor; 700. Sawdust collection mechanism; 710. Sawdust collection rack; 720. Rotating roller; 730. Sixth power source; 740. Conveyor belt; 750. Chip guide plate; 800. Moving component; 810. Moving guide rail; 820. Moving slider; 830. Driving synchronous pulley; 840. Driven synchronous pulley; 850. Synchronous belt; 860. Fifth power source. Detailed Implementation

[0065] The invention will now be described in detail with reference to the accompanying drawings and specific embodiments. Many specific details are set forth in the following description to provide a thorough understanding of the invention. However, the invention can be practiced in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0066] The chainsaw cutting performance testing device of this application can be used for testing the performance of chainsaws, and of course it can also be used in other similar application scenarios. The following is a detailed description of the chainsaw cutting performance testing device.

[0067] Example 1 See appendix Figure 1 — Figure 20The diagram shows a preferred embodiment of a chainsaw cutting performance testing device according to this application. The chainsaw cutting performance testing device includes a sawn timber conveying mechanism 100 for conveying sawn timber, a mounting frame 200 located at one end of the sawn timber conveying mechanism 100, a sawing mechanism 300 mounted on the mounting frame 200 for sawing the sawn timber, a feed force adjusting mechanism 400 mounted on the sawing mechanism 300 for adjusting and controlling the feed force, and an oil consumption measuring mechanism 500 for measuring the chainsaw cutting oil consumption, a clamping mechanism 600 mounted on the sawn timber conveying mechanism 100 for clamping the sawn timber and monitoring the remaining sawn timber weight, a sawdust collecting mechanism 700 for collecting sawdust generated when the sawing mechanism 300 saws the sawn timber, and a moving component 800 mounted on the mounting frame 200 for moving the sawing mechanism 300.

[0068] In this application, when testing the performance of a chainsaw, the sawing mechanism 300 starts the chainsaw, and then the sawn timber conveying mechanism 100 pushes the sawn timber a specified distance toward the sawing mechanism 300. At the same time, the feed force adjustment mechanism 400, in conjunction with the oil consumption measurement mechanism 500, adjusts the feed force of the sawing mechanism 300 to a specified value. Simultaneously, the weight of the chainsaw is measured before sawing. Then, the sawing mechanism 300 controls the chainsaw to saw the sawn timber. After sawing is completed, the weight of the chainsaw is measured again to obtain the weight change after sawing, and the oil consumption is calculated. When it is necessary to test the sawing performance with sawn timber of different specifications, the sawing mechanism 300 can be moved to different testing positions on the sawn timber conveying mechanism 100 for monitoring.

[0069] See appendix Figure 1 — Figure 7 As shown, in this application, the sawn timber conveying mechanism 100 includes a frame 110, a plurality of first power sources 120 mounted on the frame 110, a plurality of conveying roller groups 130 mounted on the frame 110, and a first connecting member 140 for connecting the first power sources 120 and the conveying roller groups 130. It should be noted that the first power sources in this application can be stepper motors or servo motors. The frame 110 has a plurality of sawing detection stations, the number of sawing detection stations being equal to the number of conveying roller groups 130, and the number of conveying roller groups 130 being equal to the number of first power sources 120.

[0070] This application uses a first power source 120 as a power source to enable the conveyor roller group 130 to transport sawn timber, allowing the chainsaw 340 to cut the timber. The conveyor roller group 130 supports and transports the sawn timber; multiple groups of 130 allow for the transport of multiple pieces of sawn timber. When sawing timber of different densities and specifications is required, frequent loading and unloading of the sawn timber is unnecessary. A first connector 140 connects the first power source 120 and the conveyor roller group 130, allowing the power from the first power source 120 to be transmitted to the conveyor roller group 130, enabling the conveyor roller group 130 to rotate and the sawn timber to move. It should be noted that the sawn timber in this application has a circular cross-section, and the cutting plane of the chainsaw 340 is parallel to the cross-section, thus simulating a real sawing scenario. The density of the sawn timber is tested using different types of wood, and different specifications refer to different diameters of the sawn timber.

[0071] See appendix Figure 1 — Figure 6 As shown in this application, the conveyor roller assembly 130 includes multiple pairs of support seats 131 mounted on the frame 110, support rollers 132 movably mounted on the support seats 131, and driven members 133 mounted on the ends of the support rollers 132. A driving member 134 is mounted on the first power source 120, and the driving member 134 is connected to one of the driven members 133 via a first connecting member 140. Both the driving member 134 and the driven member 133 can be sprockets, in which case the first connecting member 140 and the second connecting member 135 are chains. When both the driving member 134 and the driven member 133 are pulleys, the first connecting member 140 and the second connecting member 135 can be belts.

[0072] It should be noted that the number of driven members 133 on the support roller 132 is not limited to one and needs to be determined according to actual needs. That is, if the support roller 132 is connected to the driving member 134 through the first connecting member 140, then the support roller 132 needs one driven member 133. Since each set of conveying rollers 130 includes multiple pairs of support seats 131, in order to improve the conveying effect of sawn timber, multiple support rollers 132 can be rotated synchronously to improve the conveying effect of sawn timber. At this time, the support roller 132 with the first connecting member 140 also needs to be equipped with a driven member 133 to output power to another support roller 132.

[0073] See appendix Figure 1 — Figure 4As shown in this application, a limiting wheel 1321 or a limiting roller 1322 is installed on the support roller 132. There are two limiting wheels 1321 on each support roller 132, and the two limiting wheels are symmetrically arranged about a first plane. The first plane is the cross-sectional plane with the smallest cross-sectional area on the limiting roller 1322. The limiting roller 1322 is provided with a groove corresponding to the sawn timber. In addition, the limiting wheel 1321 is provided with a limiting spike. During the process of conveying the sawn timber, the limiting spike penetrates into the sawn timber to prevent the sawn timber from slipping during the conveying process, and ensure that the conveying distance of the sawn timber can be determined.

[0074] See appendix Figure 1 , Figure 8 — Figure 12 As shown, in this application, the sawing mechanism 300 includes a sawing mounting base 310 mounted on a moving component 800, a second power source 320 mounted on the sawing mounting base 310, a lifting mounting plate 330 movably mounted on the output shaft of the second power source 320, a chainsaw 340 mounted on the lifting mounting plate 330, a guide component 350 movably mounted on the sawing mounting base 310 and connected to the lifting mounting plate 330, a starting component 360 for starting the chainsaw 340, and a fixing component 370 mounted on the lifting mounting plate 330 for fixing the chainsaw 340. The fixing component 370 can fix the chainsaw 340. The throttle is used for control; it should be noted that the fixed component 370 moves synchronously with the chainsaw 340 to ensure that the throttle control of the chainsaw 340 is maintained during the sawing process; the second power source 320 is the power source for driving the lifting mounting plate 330 to move up and down, and can be an electric cylinder or a pneumatic cylinder. The output shaft of the second power source 320 is equipped with a limit block to support the lifting mounting plate 330, so that the second power source 320 can drive the lifting mounting plate 330 to rise; it should be noted that a proximity switch for sensing the lifting mounting plate 330 is installed on the sawing mounting base 310.

[0075] This application mounts the sawing mounting base 310 on the moving component 800, allowing the moving component 800 to drive the sawing mounting base 310 to move horizontally, thus enabling the entire sawing mechanism 300 to move horizontally and move to different sawing stations to saw the timber at different stations, with the centerline distance between any two adjacent stations being equal. By setting up a lifting mounting plate 330 and connecting it to the second power source 320, the lifting mounting plate 330 can move up and down, driving the chainsaw 340 to move up and down, allowing the chainsaw 340 to saw the timber during the movement; through guide... The component 350 guides the lifting and lowering movement of the lifting mounting plate 330; the starting component 360 starts the chainsaw 340, putting it into idle mode; the fixing component 370 securely mounts the chainsaw 340 onto the lifting mounting plate 330 and controls its throttle, ensuring the chainsaw 340 is fully throttled during sawing. The fixing component 370 is bolted to the lifting mounting plate 330, allowing for the replacement of the chainsaw 340 by disassembling it, thus enabling the use of different chainsaws and performance testing of different chainsaw machines. It is worth noting that the sawing mounting base 310 is Z-shaped and features ribs 311 to strengthen its connection.

[0076] See appendix Figure 8 — Figure 10 As shown, in this application, the guide assembly 350 includes a guide rod 351 that penetrates the sawing mounting base 310, and a linkage plate 352 mounted on the top of the guide rod 351. The bottom of the guide rod 351 is connected to the lifting mounting plate 330. It should be noted that there are at least two guide rods 351, which are angled relative to the output shaft of the second power source 320. The linkage plate 352 has a clearance groove for avoiding the second power source 320. It should also be noted that the lifting mounting plate 330 is movably mounted on the output shaft of the second power source 320.

[0077] This application uses guide rods 351 to guide the lifting and lowering movement of the lifting mounting plate 330, preventing the lifting mounting plate 330 from deviating during the lifting process; the linkage plate 352 allows multiple guide rods 351 to move synchronously, preventing interference between the guide rods 351; and the clearance groove allows the second power source 320 to be avoided, preventing interference between the linkage plate 352 and the second power source 320 during the lifting and lowering process.

[0078] See appendix Figure 11 and Figure 12 As shown in this application, the starting assembly 360 includes a starting motor 361, a winding reel 362 mounted on the starting motor 361, and a traction rope 363 with one end connected to the winding reel 362. The other end of the traction rope 363 is detachably connected to the starting rope of the chainsaw 340. It should be noted that the winding reel 362 can be a stepper motor or a servo motor.

[0079] This application uses a starter motor 361 as a power source to drive the winding wheel 362 to rotate, allowing the winding wheel 362 to wind and unwind the traction rope 363. When the winding wheel 362 winds, the traction rope 363 pulls the starter rope, causing the starter rope to be pulled out, thereby starting the chainsaw 340. It should be noted that the strength of the traction rope 363 in this application is sufficient to support the tension when the winding wheel 362 rotates, and the speed at which the winding wheel 362 winds the traction rope 363 is not less than the speed at which the starter rope is pulled to start the chain.

[0080] See appendix Figure 11 and Figure 12 As shown in this application, the fixing assembly 370 includes a pressure plate 371 mounted on the lifting mounting plate 330 for pressing and fixing the chainsaw 340, a fourth power source 372 mounted on the pressure plate 371, and a rotating pressing block 373 mounted on the fourth power source 372 corresponding to the throttle of the chainsaw 340. It should be noted that the fourth power source 372 can be a servo motor or a stepper motor.

[0081] This application uses the pressure plate 371 to press the chainsaw 340, allowing the chainsaw 340 to move up and down with the lifting mounting plate 330, while preventing the chainsaw 340 from moving arbitrarily on the lifting mounting plate 330, thus ensuring that the chainsaw 340 can cut while moving with the lifting mounting plate 330.

[0082] See appendix Figure 13 — Figure 16 As shown in this application, the feed force adjustment mechanism 400 is installed on the sawing mounting base 310. The feed force adjustment mechanism 400 includes a reversing structure 410 installed on the sawing mounting base 310, one end of which is installed on the lifting mounting plate 330, and the other end of which is a third connecting member 420 passing through the reversing structure 410, and a counterweight structure 430 connected to the other end of the third connecting member 420.

[0083] This application, through the setting of the reversing structure 410 and in conjunction with the third connecting member 420, enables the weight of the counterweight structure 430 to cancel out the total weight of the lifting mounting plate 330, reducing the downward gravitational force on the lifting mounting plate 330 to a specified magnitude, thereby driving the chainsaw to feed with a constant feed force; through the setting of the counterweight structure 430, the downward force on the lifting mounting plate 330 is canceled out, so that the downward force on the lifting mounting plate 330 is a specified magnitude; it should be noted that the weight of the counterweight structure 430 is less than the total weight on the lifting mounting plate 330, that is, the sum of the weights of the lifting mounting plate 330, the guide assembly 350, the chainsaw 340, the starting assembly 360, and the fixing assembly 370.

[0084] See appendix Figure 13 — Figure 16 As shown, in this application, the reversing structure 410 includes a reversing plate 411 mounted on the sawing mounting base 310, and reversing wheels 412 movably mounted on both ends of the reversing plate 411; wherein, the third connecting member 420 is a flexible connecting rope, one end of the third connecting member 420 is connected to the lifting mounting plate 330, and the other end of the third connecting member 420 is connected to the counterweight structure 430.

[0085] This application provides an installation position for the reversing wheel 412 by setting the reversing plate 411; by setting the reversing wheel 412, the direction of the third connecting member 420 is adjusted and the third connecting member 420 is guided. In addition, by setting the number of reversing wheels 412 to two, the third connecting member 420 can be arranged in a U-shape, which reduces the amount of gravity of the counterweight structure 430 being distributed, and makes the gravity adjustment range of the counterweight structure 430 larger under the same conditions.

[0086] See appendix Figure 13 — Figure 16 As shown, in this application, the counterweight structure 430 includes a counterweight box 431 connected to the other end of the third connector 420, a storage tank 432 mounted on the sawing mounting base 310, and a water pump connected to both ends of the counterweight box 431 and the storage tank 432 respectively. The water pump 433 is used to reciprocate the liquid in the storage tank 432 and the counterweight box 431, thereby adjusting the weight of the counterweight box 431. It should be noted that the water pump 433 is a bidirectional pump, such as a peristaltic pump; a guide ring is welded on the counterweight box 431, and a guide post corresponding to the guide ring is mounted on the sawing mounting base 310, with the guide ring and the guide post being movably connected.

[0087] This application involves mounting the counterweight box 431 on the other end of the third connector 420 and suspending it at an angle, so that the weight of the counterweight box 431 is entirely applied to the third connector 420. The storage tank 432 is used to store liquids, such as clean water. The water pump 433 allows liquids from the storage tank 432 to flow into the counterweight box 431, or liquids from the counterweight box 431 to be pumped into the storage tank 432, thereby adjusting the volume of liquids in the counterweight box 431 and thus adjusting its weight, which in turn adjusts the feed force of chainsaws of different weights. It should be noted that both ends of the water pump 433 are connected to flexible hoses, which connect to the bottom of both the counterweight box 431 and the storage tank 432, ensuring that all liquids inside can be extracted.

[0088] See appendix Figure 13 As shown, in this application, the fuel consumption measuring mechanism 500 includes a second sensor 510 and an adjusting member 520, and a pressing block 530 mounted on the adjusting member 520 and facing the second sensor 510. It should be noted that the second sensor 510 can be a pressure sensor and has an integrated load board. The second sensor 510 and the adjusting member 520 are respectively mounted on the sawing mounting base 310 and the linkage plate 352, or respectively mounted on the sawing mounting base 310 and the lifting mounting plate 330.

[0089] Specifically, when the second sensor 510 is installed on the top of the sawing mounting base 310, the adjusting member 520 is installed on the bottom of the linkage plate 352; or, when the second sensor 510 is installed on the bottom of the linkage plate 352, the adjusting member 520 is installed on the top of the sawing mounting base 310; or, the second sensor 510 is installed on the bottom of the sawing mounting base 310, and the adjusting member 520 is installed on the top of the lifting mounting plate 330; or, the second sensor 510 is installed on the top of the lifting mounting plate 330, and the adjusting member 520 is installed on the bottom of the sawing mounting base 310.

[0090] The adjusting component 520 can be a screw, in which case the pressing block 530 is threadedly connected to the adjusting component 520; or, the adjusting component 520 can be a telescopic electric cylinder or a telescopic air cylinder, and the pressing block 530 is bolted to the output rod of the adjusting component 520.

[0091] The working principle of the fuel consumption measuring mechanism 500 in this application is as follows: before the chainsaw 340 cuts the sawn material, the total gravity on the lifting mounting plate 330 is measured; after the cutting is completed, the total gravity on the lifting mounting plate 330 is measured again, thereby measuring the fuel consumption of the chainsaw. Specifically, the second sensor 510 and the adjusting component 520 are respectively installed on the sawing mounting base 310 and the linkage plate 352. When the lifting mounting plate 330 descends to the designated position, the distance between the linkage plate 352 and the sawing mounting base 310 shortens, making the adjusting component... The pressing block 530 on the adjusting member 520 can press against the second sensor 510 to measure the total weight of the lifting mounting plate 330. When the second sensor 510 and the adjusting member 520 are respectively installed on the sawing mounting base 310 and the lifting mounting plate 330, when the lifting mounting plate 330 rises to the designated position, the distance between the lifting mounting plates 330 and the lifting mounting plate 330 shortens, so that the pressing block 530 on the adjusting member 520 can press against the second sensor 510 to measure the total weight of the lifting mounting plate 330.

[0092] See appendix Figure 1 — Figure 4 As shown, the clamping mechanism 600 includes a clamping mounting block 610 mounted on the frame 110, a third power source 620 mounted on the clamping mounting block 610, a clamping mounting block 630 mounted on the third power source 620, a clamping block 640 movably mounted on the clamping mounting block 630, and a first sensor 650 mounted on the clamping mounting block 610 or the third power source 620. It should be noted that the clamping mechanism 600 is located on the side of the frame 110 away from the sawing mechanism 300, so that there is a gap between the clamping mechanism 600 and the sawing mechanism 300, which increases the torque and allows the clamping mechanism 600 to press the sawn wood tightly and prevent the sawn wood from warping; the third power source 620 can be a telescopic electric cylinder or a telescopic air cylinder; the clamping block 640 can be arranged in a wheel shape or a plate shape. When the clamping block 640 is arranged in a wheel shape, the clamping block 640 can be symmetrically arranged about the longitudinal section passing through the center line of the sawn wood and perpendicular to the horizontal plane, thereby preventing the sawn wood from shifting; the first sensor 650 can be an infrared ranging sensor.

[0093] The third power source 620 is used to drive the clamping block 640 to move up and down, so that the clamping block 640 contacts the sawn timber and clamps it. The clamping mounting block 630 is used to provide installation space for the clamping block 640. The clamping block 640 can clamp the sawn timber. When the clamping block 640 is plate-shaped, the third power source 620 needs to release the clamping of the sawn timber when the sawn timber conveying mechanism 100 is conveying the sawn timber. When the clamping block 640 is wheel-shaped, the third power source 620 can maintain the clamping state, increasing the friction between the sawn timber and the sawn timber conveying mechanism 100, thereby preventing the sawn timber from slipping. The first sensor 650 can monitor the remaining amount of sawn timber, so that the user can replenish the sawn timber in time.

[0094] See appendix Figure 1 , Figure 17 and Figure 18 As shown in this application, the sawdust collection mechanism 700 includes a sawdust collection frame 710, a rotating roller 720 movably mounted on the sawdust collection frame 710, a sixth power source 730 mounted on the sawdust collection frame 710 and connected to one of the rotating rollers 720, and a conveyor belt 740 fitted onto the rotating roller 720. The sawdust collection frame 710 is provided with a lifting section to raise the sawdust to facilitate the placement of a collection box at the end of the sawdust collection mechanism 700 for collection. Multiple limiting shafts are movably mounted on the lifting section of the sawdust collection frame 710, and there is a gap between the limiting shafts and the conveyor belt 740.

[0095] This application uses a rotating roller 720 to support the conveyor belt 740, preventing the conveyor belt 740 from deforming due to the excessive weight of the sawed wood and the wood planks after sawing, and also to move the conveyor belt 740. The sixth power source 730 drives the rotating roller 720 to rotate, allowing the conveyor belt 740 to move.

[0096] See appendix Figure 19 and Figure 20 As shown, in this application, the moving component 800 includes a moving guide rail 810 mounted on the mounting bracket 200, a moving slider 820 mounted on the sawing mounting base 310 and slidably connected to the moving guide rail 810, a driving synchronous wheel 830 and a driven synchronous wheel 840 movably mounted on the mounting bracket 200, a synchronous belt 850 fitted onto the driving synchronous wheel 830 and the driven synchronous wheel 840, and a fifth power source 860 for driving the driving synchronous wheel 830 to rotate. It should be noted that the fifth power source 860 can be a servo motor or a stepper motor; the direction in which the synchronous belt 850 drives the sawing mounting base 310 to move is the same as the length direction of the moving guide rail 810.

[0097] This application guides the sawing mounting base 310 by setting up a movable guide rail 810 and a movable slider 820, thereby guiding the sawing mechanism 300; by setting up an active synchronous wheel 830 and a driven synchronous wheel 840, in conjunction with a synchronous belt 850 and a fifth power source 860, the sawing mounting base 310 can be moved; it should be noted that a third sensor for sensing the position of the sawing mounting base 310 is also installed on the mounting bracket 200. This third sensor can be an infrared beam sensor or a proximity switch, etc.

[0098] See appendix Figure 1 — Figure 20 As shown, the usage process of the chainsaw cutting performance testing equipment in this application is as follows: The first step is to start the second power source 320 in the sawing mechanism 300 by controlling the external notification period, so that the telescopic rod of the second power source 320 extends, ensuring that the limit block on the telescopic rod of the second power source 320 does not provide support for the lifting mounting plate 330, and adjust the position of the extrusion block 530 on the adjusting member 520 so that the extrusion block 530 presses against the second sensor 510, and the total weight of the lifting mounting plate 330 is applied to the second sensor 510. The second step involves mounting the chainsaw requiring performance testing onto the lifting mounting plate 330 using the pressure plate 371. Subsequently, the controller starts the water pump 433 based on the signal from the second sensor 510. If the data obtained by the second sensor 510 is greater than the set data, it indicates that the weight of the counterweight box 431 is too small. Liquid needs to be pumped out of the storage tank 432 and transferred into the counterweight box 431 to increase the weight of the counterweight box 431 and decrease the data sensed by the second sensor 510, reaching the specified value. If the data obtained by the second sensor 510 is less than the set data, it indicates that the weight of the counterweight box 431 is too large. Liquid needs to be pumped out of the counterweight box 431 and transferred into the storage tank 432 to decrease the weight of the counterweight box 431. The third step is that the staff uses the controller to start the component 360 and control the chainsaw 340 to start. Specifically, the controller controls the starter motor 361 to start, which drives the winding wheel 362 to start rotating through the spline connection. The winding wheel 362 pulls one end of the traction rope 363 to start rotating, so that the traction rope 363 pulls the starter rope of the chainsaw 340, thus starting the chainsaw 340. Fourth, according to the size of the material to be cut by the chainsaw, the operator controls the moving component 800 through the controller to move the sawing mechanism 300 to the designated workstation to cut the designated material. Specifically, the operator sets the workstation (e.g., workstation 1, workstation 2... workstation n) that the chainsaw 340 needs to move to through the controller, and controls the fifth power source 860 to start working based on the signal from the third sensor. The output shaft of the fifth power source 860 drives the active synchronous wheel 830 to start, and the active synchronous wheel 830 drives the driven synchronous wheel 840 to rotate through the synchronous belt 850. As the synchronous belt 850 moves, it also drives the sawing mounting base 310 to move, so that the sawing mounting base 310 moves a specified distance along the moving guide rail 810, and the sawing mechanism 300 moves to the designated workstation. Fifth step: After the sawing mechanism 300 moves to the designated station, the second sensor 510 transmits the gravity sensed by the chainsaw 340 after it is started to the controller as the weight before sawing; then, the controller controls the second power source 320 to start, the telescopic rod of the second power source 320 retracts, and the lifting mounting plate 330 is driven to rise to the designated position through the limit block on the telescopic rod. The sixth step involves the controller controlling the sawn timber conveying mechanism 100 to convey the sawn timber, causing it to move towards the sawing mechanism 300. Specifically, the controller controls the first power source 120 to start working, which drives the active component 134 to move. The active component 134 transmits power to the support roller 132 through the first connecting component 140. The support roller 132 rotates synchronously through the second connecting component 135. The limiting wheel 1321 and the limiting roller 1322 on the support roller 132 rotate, causing the sawn timber to be conveyed forward to a specified length. In the seventh step, the controller controls the extension rod of the second power source 320 to extend and reset. At this time, due to the counterweight effect of the counterweight structure 430, the total gravity on the lifting mounting plate 330 is offset, making the descent speed of the lifting mounting plate 330 less than the reset speed of the extension rod of the second power source 320. Simultaneously with the controller controlling the reset of the second power source 320, the controller starts timing. As the lifting mounting plate 330 descends under the influence of gravity, the chainsaw cuts the timber. After cutting, the chainsaw continues to descend. During the descent of the lifting mounting plate 330, the linkage plate 352 in the guide assembly 350 also continues to descend, shortening the distance between the second sensor 510 and the pressing block 530 until the pressing block 530... 0 squeezes the second sensor 510. After the second sensor 510 reaches its maximum value, the timing stops. At this time, the time required for sawing is obtained. At the same time, the difference between the maximum value obtained by the second sensor 510 and the data obtained in the fifth step is the amount of oil consumed for sawing. Since the size of the sawn material is known, the area that can be sawed per gram of oil and the area sawed per second are calculated based on the obtained sawing time, oil consumption and sawn material size. Of course, it can be repeated many times to obtain the average value. It should be noted that after each sawing is completed, the controller will control the first power source 120 in the sawn material conveying mechanism 100 to start reversing, so that the sawn material moves a certain distance away from the sawing mechanism 300. Step 8: When it is necessary to compare with other chainsaws, chainsaw 340 can be manually turned off and pressure plate 371 can be removed to replace chainsaw 340. Repeat the above steps. At this time, before the chainsaw cuts, it is necessary to ensure that the values ​​sensed by the second sensor 510 are equal, that the feed force of the chainsaw is equal, and that the sawn material size is the same. This ensures that the only variable is chainsaw 340 itself, thereby eliminating human interference and objectively measuring the true performance level of the chainsaw.

[0099] Example 2 See appendix Figure 21 and Figure 22 As shown, the difference between this embodiment and the above embodiment is that, in this embodiment, the conveying roller group 130 further includes a conveying guide rail 136 mounted on the frame 110, a slider 137 slidably mounted on the conveying guide rail 136, and a sliding support plate 138 mounted on the slider 137.

[0100] In this embodiment, the movement of the sliding support plate 138 is guided and limited by the conveying guide rail 136 and the slider 137. The sliding support plate 138 is used to support the sawn timber. It should be noted that the sliding support plate 138 in this application has a groove corresponding to the sawn timber. The sliding support plate 138 allows the support position of the sawn timber to be translated, reducing the number of support rollers 132 and lowering costs. In addition, the sliding support plate 138 moves by the friction between the sawn timber and the sliding support plate 138.

[0101] Example 3 See appendix Figure 23 and Figure 24 As shown, the difference between this embodiment and the above embodiment is that, in this embodiment, a chip guide plate 750 is also installed on the mounting frame 200. One end of the chip guide plate 750 is located on the conveyor belt 740. The chip guide plate 750 is provided with through holes corresponding to the sawn wood. After the sawn wood passes through the through holes, it is sawn by the sawing mechanism 300. By setting the chip guide plate 750, the sawdust generated after sawing is guided to ensure that the sawdust falls onto the conveyor belt 740, preventing the sawdust from falling randomly and ensuring the cleanliness of the environment.

[0102] The above embodiments are illustrative of this application and are not intended to limit this application. Any simple modifications to this application are within the protection scope of this application.

Claims

1. A chainsaw cutting performance testing device, characterized in that, It includes a sawing conveyor (100), a mounting bracket (200) located at one end of the sawing conveyor (100), a sawing mechanism (300) mounted on the mounting bracket (200), a feed force adjustment mechanism (400) and a fuel consumption measuring mechanism (500) mounted on the sawing mechanism (300), and a sawdust collection mechanism (700) for collecting sawdust generated by the sawing mechanism (300). The sawn timber conveying mechanism (100) moves the sawn timber toward the mounting frame (200), and the sawing mechanism (300) performs sawing operations on the conveyed sawn timber; The sawing mechanism (300) uses gravity as the feed force of the chainsaw, thereby driving the chainsaw to move and saw the timber. The feed force adjustment mechanism (400) is used to control the feed force of the sawing mechanism (300) so that the sawing mechanism (300) saws the sawn timber with a constant feed force; The oil consumption measuring mechanism (500) is used to monitor the change in oil quantity before and after each sawing operation by the sawing mechanism (300); The feed force adjustment mechanism (400) counteracts the gravity of the sawing mechanism (300), so that the gravity of the sawing mechanism (300) serves as the feed force.

2. The chainsaw cutting performance testing equipment according to claim 1, characterized in that, The sawn timber conveying mechanism (100) includes a frame (110), a plurality of first power sources (120) mounted on the frame (110), a plurality of conveying roller groups (130) mounted on the frame (110), and a first connector (140) for connecting the first power sources (120) and the conveying roller groups (130); the number of the conveying roller groups (130) is equal to the number of the first power sources (120); The sawn timber conveying mechanism (100) is equipped with a clamping mechanism (600), which is mounted on the frame (110) to monitor the remaining amount of sawn timber and clamp the sawn timber. The sawing conveyor (100) is provided with at least one sawing station, and each sawing station is filled with sawn timber.

3. The chainsaw cutting performance testing equipment according to claim 2, characterized in that, The sawing conveyor (100) is equipped with multiple sawing stations; The conveying roller assembly (130) includes several pairs of support seats (131) mounted on the frame (110), support rollers (132) movably mounted on the support seats (131), and several driven members (133) mounted on the ends of the support rollers (132). The first power source (120) is equipped with an active component (134), which is connected to one of the driven components (133) via a first connector (140); The clamping mechanism (600) includes a clamping mounting block (610) mounted on the frame (110), a third power source (620) mounted on the clamping mounting block (610), a clamping mounting block (630) mounted on the third power source (620), a clamping block (640) movably mounted on the clamping mounting block (630), and a first sensor (650) mounted on the clamping mounting block (610) or the third power source (620).

4. The chainsaw cutting performance testing equipment according to claim 3, characterized in that, When the number of pairs of the support base (131) is greater than 2, a second connector (135) is installed on the follower (133) on the support roller (132), and the second connector (135) is used to connect the followers (133) on adjacent support rollers (132); The support roller (132) is equipped with a limiting wheel (1321) or a limiting roller (1322). At least one support roller (132) in each set of conveyor rollers (130) is equipped with the limiting wheel (1321). The conveying roller assembly (130) also includes a conveying guide rail (136) mounted on the frame (110), a slider (137) slidably mounted on the conveying guide rail (136), and a sliding support plate (138) mounted on the slider (137).

5. The chainsaw cutting performance testing equipment according to claim 1, characterized in that, The mounting bracket (200) is also equipped with a moving component (800) for moving the sawing mechanism (300); the sawing mechanism (300) includes a sawing mounting base (310) mounted on the moving component (800), a second power source (320) mounted on the sawing mounting base (310), a lifting mounting plate (330) movably mounted on the second power source (320), a chainsaw (340) mounted on the lifting mounting plate (330), a guide component (350) movably mounted on the sawing mounting base (310) and connected to the lifting mounting plate (330), a starting component (360) for starting the chainsaw (340), and a fixing component (370) mounted on the lifting mounting plate (330) for fixing the chainsaw (340) and controlling the throttle of the chainsaw (340). The fixing component (370) moves synchronously with the chainsaw (340) and maintains throttle control over the chainsaw (340) during the sawing process; The feed force adjustment mechanism (400) is installed on the sawing mounting base (310) and connected to the lifting mounting plate (330). It adjusts the gravity on the lifting mounting plate (330) to adjust the feed force of the chainsaw (340). The fuel consumption measuring mechanism (500) is mounted on the sawing mount (310) and the guide assembly (350).

6. The chainsaw cutting performance testing equipment according to claim 5, characterized in that, The feed force adjustment mechanism (400) includes a reversing structure (410) mounted on a sawing mounting base (310), a third connector (420) with one end mounted on a lifting mounting plate (330) and the other end passing through the reversing structure (410), and a counterweight structure (430) connected to the other end of the third connector (420).

7. The chainsaw cutting performance testing equipment according to claim 5, characterized in that, Ribs (311) are mounted on the sawing mounting base (310); The guide assembly (350) includes a guide rod (351) that runs through the sawing mounting base (310), a linkage plate (352) mounted on the top of the guide rod (351), and the bottom of the guide rod (351) is connected to the lifting mounting plate (330). The starting assembly (360) includes a starting motor (361), a take-up reel (362) mounted on the starting motor (361), and a traction rope (363) with one end connected to the take-up reel (362), the other end of which is detachably connected to the starting rope of the chainsaw (340). The fixing assembly (370) includes a pressure plate (371) mounted on a lifting mounting plate (330) for pressing and fixing the chainsaw (340), a fourth power source (372) mounted on the pressure plate (371), and a rotating pressing block (373) mounted on the fourth power source (372) corresponding to the throttle of the chainsaw (340).

8. The chainsaw cutting performance testing equipment according to claim 6, characterized in that, The reversing structure (410) includes a reversing plate (411), a reversing wheel (412) movably mounted on the reversing plate (411), and a third connecting member (420) is a flexible connecting rope. One end of the third connecting member (420) is connected to the lifting mounting plate (330), and the other end of the third connecting member (420) is connected to the counterweight structure (430). The counterweight structure (430) includes a counterweight box (431) connected to the other end of the third connector (420), a storage tank (432) mounted on the sawing mounting base (310), and a water pump (433) connected to the counterweight box (431) and the storage tank (432) at both ends, thereby adjusting the weight of the counterweight box (431); The weight of the counterweight box (431) acts on the third connector (420); The storage tank (432) contains liquid.

9. The chainsaw cutting performance testing equipment according to claim 7, characterized in that, The sawing mounting base (310) is arranged in a Z-shape; The fuel consumption measuring mechanism (500) includes a second sensor (510) and an adjusting member (520), with a pressing block (530) mounted on the adjusting member (520) facing the second sensor (510). The second sensor (510) and the adjusting component (520) are respectively mounted on the sawing mounting base (310) and the linkage plate (352), or respectively mounted on the sawing mounting base (310) and the lifting mounting plate (330); When the second power source (320) drives the lifting mounting plate (330) to rise to a designated position, or when the lifting mounting plate (330) is lowered to a designated position due to gravity, the extrusion block (530) extrudes the second sensor (510), and the pressure on the second sensor (510) changes before and after the chainsaw (340) cuts, thereby measuring the amount of oil consumed by the chainsaw (340) during cutting; The moving component (800) includes a moving guide rail (810) mounted on a mounting bracket (200), a moving slider (820) mounted on a sawing mounting base (310) and slidably connected to the moving guide rail (810), a driving synchronous wheel (830) and a driven synchronous wheel (840) movably mounted on the mounting bracket (200), a synchronous belt (850) fitted on the driving synchronous wheel (830) and the driven synchronous wheel (840), and a fifth power source (860) for driving the driving wheel (830) to rotate. The timing belt (850) is connected to the sawing mounting base (310).

10. The chainsaw cutting performance testing equipment according to claim 1, characterized in that, The sawdust collection mechanism (700) includes a sawdust collection frame (710), a rotating roller (720) movably mounted on the sawdust collection frame (710), a sixth power source (730) mounted on the sawdust collection frame (710) and connected to one of the rotating rollers (720), and a conveyor belt (740) fitted on the rotating roller (720). The mounting frame (200) is also equipped with a chip guide plate (750) for guiding sawdust. The sawn wood passes through the chip guide plate (750), and the sawdust generated after the sawing mechanism (300) cuts the sawn wood will fall onto the conveyor belt (740) through the guide plate (750).

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