Multi-piece woodworking band sawing machine

Abstract

The utility model discloses a multi-piece woodworking band-sawing machine which comprises a rack, a main shaft and a shaft sleeve, and the rack is provided with a mounting hole; the main shaft is fixedly connected with a first band saw wheel; the shaft sleeve penetrates into the mounting hole and is fixedly connected with the rack; one end of the main shaft is rotationally connected into the shaft sleeve through a first bearing; the device further comprises a supporting frame connected to the rack, a connecting hole is formed in the supporting frame, and the other end of the main shaft is rotationally connected into the connecting hole through a second bearing. Therefore, the main shaft is fixedly mounted on the rack through the shaft sleeve, so that no relative motion exists between the main shaft and the rack, structural damage to the rack in the running process of the main shaft is effectively avoided, and the service life of the whole machine is prolonged; in addition, the first bearing and the second bearing are arranged at the two ends of the main shaft respectively, dust, wood chips, water and other impurities generated in the working process are effectively prevented from entering the bearings, the protection capacity of the bearings is enhanced, the service life of the bearings is prolonged, and the operation stability and reliability of equipment in the high-strength working environment are guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of wood processing equipment, specifically to a multi-blade woodworking band saw. Background Technology

[0002] In the wood processing industry, woodworking band saws are widely used for cutting and processing wood. Their working principle mainly relies on the motor to drive the main and passive band saw wheels to rotate. The band saw blade runs around the band saw wheel. After the wood is fed into the feed end through the worktable, it is sawn into boards that meet the specifications.

[0003] However, existing woodworking band saw equipment still has shortcomings in practical use: the drive band saw wheel is usually directly connected to and fixed to the frame through the main shaft. During long-term operation, the main shaft and the frame experience relative friction due to continuous force, which can easily lead to wear and even damage to the frame, thus affecting the overall stability and service life of the equipment. In addition, the frame is difficult to repair or replace after damage, increasing the maintenance cost of the equipment and reducing production efficiency. Utility Model Content

[0004] In order to overcome the defects of the prior art, the present invention provides a multi-blade woodworking band saw. The main shaft is fixedly installed on the frame by a bushing, so that there is no relative movement between the main shaft and the frame. The bushing connection also reduces the friction and impact caused by direct contact between the main shaft and the frame, effectively avoiding structural damage to the frame caused by the main shaft during operation, thereby improving the service life of the whole machine.

[0005] The technical solution adopted by this utility model to solve its problem is:

[0006] A multi-blade woodworking band saw includes:

[0007] The frame has mounting holes;

[0008] The main shaft, on which a first band saw wheel is fixedly connected;

[0009] A bushing is inserted into the mounting hole and fixedly connected to the frame; one end of the main shaft is rotatably connected to the bushing via a first bearing.

[0010] It also includes a support frame connected to the frame, the support frame having a connection hole, and the other end of the main shaft being rotatably connected to the connection hole via a second bearing.

[0011] Furthermore, the bushing includes a first fixed flange, a connecting cylinder, and a second fixed flange. The first fixed flange is connected to one side of the connecting cylinder and then fixed on one side of the mounting hole. The second fixed flange is connected to the other side of the connecting cylinder and then fixed on the other side of the mounting hole.

[0012] Furthermore, the frame is provided with a first screw hole located on one side of the mounting hole and arranged circumferentially, and a second screw hole located on the other side of the mounting hole and arranged circumferentially;

[0013] The first fixed flange has a first through hole, and the first fixed flange is fixed by screwing the first fastener through the first through hole and then screwing it into the first screw hole;

[0014] The second fixed flange has a second through hole, and the second fixed flange is fixed by screwing the second fastener through the second through hole and then screwing it into the second screw hole.

[0015] Furthermore, the support frame is provided with a third through hole, and the frame is provided with a third screw hole. The support frame is fixed by screwing a third fastener through the third through hole and into the third screw hole.

[0016] Furthermore, one end of the main shaft is provided with a first step, the inner ring of the first bearing is fitted onto the first step, and the outer ring of the first bearing is embedded in the connecting cylinder to be fixed to the outside of the first band saw wheel.

[0017] Furthermore, the other end of the main shaft is provided with a second step, and a bearing seat is provided in the connecting hole. The inner ring of the second bearing is fitted on the second step, and the outer ring of the second bearing is embedded in the bearing seat to achieve fixation in the connecting hole and located outside the first band saw wheel.

[0018] Furthermore, it also includes a drive motor, one end of the main shaft extends out of the frame and is provided with a driven wheel, and the output shaft of the drive motor is provided with a driving wheel, and the driving wheel and the driven wheel are connected by a belt for transmission.

[0019] Furthermore, a connecting sleeve is provided on the other end of the main shaft, and the first band saw wheel is connected to the connecting sleeve.

[0020] Furthermore, it also includes a second band saw wheel, which is connected to the first band saw wheel via a band saw blade drive.

[0021] Furthermore, both the first and second band saw wheels are provided in multiple configurations arranged in a stepped manner. In summary, this utility model has the following technical effects:

[0022] 1. This utility model relates to a multi-blade woodworking band saw. The main shaft is fixedly installed on the frame via a bushing, so that there is no relative movement between the main shaft and the frame. The bushing connection also reduces the friction and impact caused by direct contact between the main shaft and the frame, effectively avoiding structural damage to the frame caused by the main shaft during operation. This improves the service life of the whole machine, increases sawing accuracy, ensures processing quality, and better meets the needs of the wood processing industry for efficient and stable cutting.

[0023] 2. In this utility model of a multi-blade woodworking band saw, both the first and second bearings are located on the outer side of the first band saw wheel, thereby avoiding the overlap between the bearing position and the working area of ​​the band saw blade cutting wood. This effectively prevents dust, sawdust, and moisture generated during operation from entering the bearing, significantly improving the bearing's protective performance, extending its service life, and further ensuring the operational stability and reliability of the equipment.

[0024] 3. The multi-blade woodworking band saw of this utility model has one end of the main shaft extending outside the frame and equipped with a driven wheel. The driven wheel is connected to the drive wheel on the drive motor via a belt. By setting the driven wheel outside the frame, the external transmission connection between the main shaft and the drive motor is realized, which not only facilitates belt replacement and maintenance operations, but also improves the convenience of assembly and repair. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of the multi-blade woodworking band saw of this utility model from one perspective;

[0026] Figure 2 This is a schematic diagram of the structure of the multi-blade woodworking band saw of this utility model from another perspective;

[0027] Figure 3 This is a schematic diagram of the structure of one side of the mounting hole in the multi-blade woodworking band saw of this utility model;

[0028] Figure 4 This is a schematic diagram of the structure on the other side of the mounting hole in the multi-blade woodworking band saw of this utility model;

[0029] Figure 5 This is a schematic diagram of the structure of the bushing in the multi-blade woodworking band saw of this utility model;

[0030] Figure 6 This is a schematic diagram of the main shaft in the multi-blade woodworking band saw of this utility model;

[0031] Figure 7 This is a schematic diagram of the support frame in the multi-blade woodworking band saw of this utility model.

[0032] The meanings of the reference numerals in the attached figures are as follows:

[0033] 1. Frame; 11. Mounting hole; 12. First screw hole; 13. Second screw hole; 14. Third screw hole; 2. First band saw wheel; 3. Main shaft; 31. First step; 32. Second step; 33. Connecting sleeve; 331. Spacer ring; 4. Bushing; 41. Connecting cylinder; 42. First fixed flange; 421. First through hole; 43. Second fixed flange; 431. Second through hole; 5. Support frame; 51. Connecting hole; 52. Third through hole; 53. Bearing seat; 6. Driven wheel; 7. Band saw blade; 8. Second band saw wheel; 9. Drive motor; 91. Drive wheel; 92. Belt. Detailed Implementation

[0034] To better understand and implement this invention, the technical solutions in the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings.

[0035] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the module or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0037] like Figure 1-7 The multi-blade woodworking band saw shown includes a frame 1, a main shaft 3, and a bushing 4. The frame 1 has a mounting hole 11. A first band saw wheel 2 is fixedly connected to the main shaft 3. The bushing 4 passes through the mounting hole 11 and is fixedly connected to the frame 1. One end of the main shaft 3 is rotatably connected to the bushing 4 through a first bearing. The saw also includes a support frame 5 connected to the frame 1. The support frame 5 has a connecting hole 51. The other end of the main shaft 3 is rotatably connected to the connecting hole 51 through a second bearing.

[0038] This utility model relates to a multi-blade woodworking band saw. One end of the main shaft 3 is fixed to the frame 1 via a bushing 4, and the other end is fixed to the frame 1 via a support frame 5, thus forming a stable support structure. As a result, the main shaft 3 is fixedly installed on the frame 1 via the bushing 4, so that there is no relative movement between the main shaft 3 and the frame 1, effectively avoiding structural damage to the frame 1 caused by the main shaft 3 during operation, thereby improving the service life of the whole machine. In addition, the first bearing and the second bearing are respectively set at both ends of the main shaft 3, effectively preventing dust, sawdust, moisture and other impurities generated during operation from entering the bearing, enhancing the bearing's protective ability, extending its service life, and ensuring the stability and reliability of the equipment in high-intensity working environments.

[0039] The first band saw wheel 2 is fixedly connected to the main shaft 3, which is fixedly installed on the frame 1 through the bushing 4. The first band saw wheel 2 and the main shaft 3 together form a modular structure that can be disassembled as a whole and installed on the frame 1, which facilitates subsequent maintenance, replacement or repair operations and improves the maintainability and ease of use of the equipment.

[0040] Furthermore, the bushing 4 includes a first fixed flange 42, a connecting sleeve 41, and a second fixed flange 43. The first fixed flange 42 is connected to one side of the connecting sleeve 41 and then fixed on one side of the mounting hole 11. The second fixed flange 43 is connected to the other side of the connecting sleeve 41 and then fixed on the other side of the mounting hole 11.

[0041] See Figure 3-4 The frame 1 is provided with a first screw hole 12 located on one side of the mounting hole 11 and arranged circumferentially, and a second screw hole 13 located on the other side of the mounting hole 11 and arranged circumferentially. The first fixed flange 42 is provided with a first through hole 421. The first fixed flange 42 is fixed by screwing the first screw hole 12 through the first fastener through the first through hole 421. The second fixed flange 43 is provided with a second through hole 431. The second fixed flange 43 is fixed by screwing the second screw hole 13 through the second fastener through the second through hole 431. This ensures that the bushing 4 is stably installed in the mounting hole 11 on the frame 1, thereby enhancing the structural strength of the connection between the bushing 4 and the frame 1 and improving the reliability of the equipment operation.

[0042] Furthermore, the support frame 5 is provided with a third through hole 52, and the frame 1 is provided with a third screw hole 14. The support frame 5 is fixed by a third fastener passing through the third through hole 52 and screwed into the third screw hole 14, thereby firmly fixing the support frame 5 to the frame 1, ensuring the reliable installation of the support frame 5 and improving the stability of the overall structure.

[0043] Of course, during use, the support frame 5 can be disassembled to replace the first band saw wheel 2 of different specifications, thereby meeting different processing needs and improving the adaptability and flexibility of the equipment. It should be noted that in this embodiment, the support frame 5 is fixedly connected to the frame 1 by the third fastener. The support frame 5 can be detached from the frame 1 by removing the third fastener.

[0044] Furthermore, in the multi-blade woodworking band saw of this utility model, one end of the main shaft 3 is provided with a first step 31, the inner ring of the first bearing is fitted on the first step 31, and the outer ring of the first bearing is embedded in the connecting cylinder 41 to achieve fixation on one outer side of the first band saw wheel 2. The first bearing is located in the connecting cylinder 41, which can also protect the first bearing to prevent dust, sawdust, moisture and other impurities generated during the operation from entering the first bearing and causing damage to the bearing.

[0045] Specifically, in the multi-blade woodworking band saw of this utility model, the other end of the main shaft 3 is provided with a second step 32, and a bearing seat 53 is provided in the connecting hole 51. The inner ring of the second bearing is fitted on the second step 32, and the outer ring of the second bearing is embedded in the bearing seat 53 to be fixed in the connecting hole 51 and located on the other side of the first band saw wheel 2. The second bearing is also protected by being embedded in the bearing seat 53 to prevent dust, sawdust, moisture and other impurities generated during the operation from entering the second bearing and causing damage to the bearing.

[0046] It should be noted that in this embodiment, the bearing housing 53 is provided with a bearing end cover on the outside to protect the second bearing. Of course, a protective cover or the like can also be directly provided to protect the second bearing.

[0047] In this embodiment, one end of the spindle 3 is fixed to the frame 1 by a bushing, and the other end is fixed to the frame 1 by a support frame 5, thereby forming a stable support structure. This ensures that the spindle 3 has good stability during operation, avoids relative motion friction caused by vibration or uneven force, and improves the operating accuracy and service life of the equipment.

[0048] Secondly, the first bearing and the second bearing are respectively located on both sides of the first band saw wheel 2 and are protected by the bearing seat 53 and the bushing 4, which effectively prevents impurities such as dust, sawdust and moisture generated during the operation from entering the first bearing and the second bearing, reducing the risk of bearing damage.

[0049] Furthermore, the multi-blade woodworking band saw of this utility model also includes a drive motor 9. One end of the main shaft 3 extends out of the frame 1 and is provided with a driven wheel 6. The output shaft of the drive motor 9 is provided with a driving wheel 91. The driving wheel 91 and the driven wheel 6 are connected by a belt 92. By setting the driven wheel 6 outside the frame 1, the external transmission connection between the main shaft 3 and the drive motor 9 is realized, which not only facilitates the replacement and maintenance of the belt 92, but also improves the convenience of assembly and maintenance.

[0050] See Figure 5 The other end of the main shaft 3 is provided with a connecting sleeve 33, on which the first band saw wheel 2 is mounted. The connecting sleeve 33 is provided with a plurality of spacers 331 evenly spaced, which helps to accurately position and securely install the plurality of first band saw wheels 2, thereby improving the sawing stability and processing accuracy of the band saw. In addition, this structure can optimize the sawing layout, improve the processing efficiency of wood, and meet the needs of mass production.

[0051] See Figure 1-2 The multi-blade woodworking band saw of this utility model also includes a second band saw wheel 8, which is connected to the first band saw wheel 2 via a band saw blade 7.

[0052] Furthermore, both the first band saw wheel 2 and the second band saw wheel 8 are provided in multiple steps and arranged in a stepped manner.

[0053] In summary, the multi-blade woodworking band saw of this invention features a main shaft 3 fixedly mounted on the frame 1 via a bushing 4, eliminating relative movement between the main shaft 3 and the frame 1. The bushing 4 connection also reduces friction and impact caused by direct contact between the main shaft 3 and the frame 1, effectively preventing structural damage to the frame 1 caused by the main shaft 3 during operation. This improves the overall service life of the machine, enhances sawing accuracy, ensures processing quality, and better meets the wood processing industry's demand for efficient and stable cutting.

[0054] In this utility model, a multi-blade woodworking band saw has its first and second bearings located on the outer side of the first band saw wheel 2. This avoids the bearing positions from overlapping with the working area of ​​the band saw blade 7 when sawing wood, effectively preventing dust, sawdust, and moisture generated during operation from entering the bearing interior. This significantly improves the bearing's protective performance, extends its service life, and further ensures the operational stability and reliability of the equipment.

[0055] This utility model relates to a multi-blade woodworking band saw. One end of the main shaft 3 extends outside the frame 1 and is equipped with a driven wheel 6. The driven wheel 6 is connected to the drive wheel 91 on the drive motor 9 via a belt. By setting the driven wheel 6 outside the frame 1, an external transmission connection between the main shaft 3 and the drive motor 9 is realized. This not only facilitates the replacement and maintenance of the belt 92, but also improves the convenience of assembly and maintenance.

[0056] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on the other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to the other component.

[0057] It should be understood that the terms "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the module or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0058] Furthermore, in the description of this utility model, "multiple" and "several" mean two or more, unless otherwise explicitly specified.

[0059] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A multi-blade woodworking band saw, characterized in that, include: The frame has mounting holes; The main shaft, on which a first band saw wheel is fixedly connected; A bushing is inserted into the mounting hole and fixedly connected to the frame; one end of the main shaft is rotatably connected to the bushing via a first bearing. It also includes a support frame connected to the frame, the support frame having a connection hole, and the other end of the main shaft being rotatably connected to the connection hole via a second bearing.

2. The multi-blade woodworking band saw according to claim 1, characterized in that, The bushing includes a first fixed flange, a connecting cylinder, and a second fixed flange. The first fixed flange is connected to one side of the connecting cylinder and then fixed on one side of the mounting hole. The second fixed flange is connected to the other side of the connecting cylinder and then fixed on the other side of the mounting hole.

3. The multi-blade woodworking band saw according to claim 2, characterized in that, The frame is provided with a first screw hole located on one side of the mounting hole and arranged circumferentially, and a second screw hole located on the other side of the mounting hole and arranged circumferentially. The first fixed flange has a first through hole, and the first fixed flange is fixed by screwing the first fastener through the first through hole and then screwing it into the first screw hole; The second fixed flange has a second through hole, and the second fixed flange is fixed by screwing the second fastener through the second through hole and then screwing it into the second screw hole.

4. The multi-blade woodworking band saw according to claim 3, characterized in that, The support frame is also provided with a third through hole, and the frame is provided with a third screw hole. The support frame is fixed by a third fastener passing through the third through hole and screwed into the third screw hole.

5. The multi-blade woodworking band saw according to claim 2, characterized in that, One end of the main shaft is provided with a first step, the inner ring of the first bearing is fitted on the first step, and the outer ring of the first bearing is embedded in the connecting cylinder to be fixed to the outside of the first band saw wheel.

6. The multi-blade woodworking band saw according to claim 5, characterized in that, The other end of the main shaft is provided with a second step, and a bearing seat is provided in the connecting hole. The inner ring of the second bearing is fitted on the second step, and the outer ring of the second bearing is embedded in the bearing seat to achieve fixation in the connecting hole and located outside the first band saw wheel.

7. The multi-blade woodworking band saw according to claim 1, characterized in that, It also includes a drive motor, one end of the main shaft extends out of the frame and is provided with a driven wheel, and the output shaft of the drive motor is provided with a driving wheel, and the driving wheel and the driven wheel are connected by a belt for transmission.

8. The multi-blade woodworking band saw according to claim 7, characterized in that, A connecting sleeve is also provided at the other end of the main shaft, and the first band saw wheel is connected to the connecting sleeve.

9. The multi-blade woodworking band saw according to claim 1, characterized in that, It also includes a second band saw wheel, which is connected to the first band saw wheel via a band saw blade drive.

10. The multi-blade woodworking band saw according to claim 9, characterized in that, Both the first band saw wheel and the second band saw wheel are provided in multiple steps and arranged in a stepped manner.

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