Anti-splashing woodworking band saw machine

Abstract

The utility model discloses a kind of anti-splashing woodworking band saw machine, it is related to band saw machine technical field, including support column, the box of both sides outer wall of support column is fixedly installed, the inside of upper side box is provided with upper saw wheel, the inner wall of lower side box is rotatably installed with lower saw wheel, the outer wall between upper saw wheel and lower saw wheel is sleeved with saw blade, further include threaded rod, detection component, the detection component is installed on support column, and it is used to detect the vibration amplitude of saw blade.The utility model, if saw blade appears loose condition, when vibration amplitude is too large, saw blade can touch trigger plate, then drive fixed frame to vibrate together, then vibration sensor will detect vibration, and data signal is transmitted to control panel, then, control panel will control driving assembly to drive threaded rod to rotate, finally threaded rod drives slider and upper saw wheel to rise, so that saw blade is gradually tightened, so that the tension of saw blade can be automatically adjusted.

Description

Technical Field

[0001] This utility model relates to the field of band saw technology, and in particular to a woodworking band saw that prevents splashing. Background Technology

[0002] A band saw is a wood-cutting machine that uses a ring-shaped, endless saw blade to continuously rotate around two saw wheels in the same direction for sawing. It mainly consists of a machine body, two saw wheels, a ring-shaped saw blade, and a tensioning device.

[0003] During long-term high-speed cutting of wood, saw blades are prone to loosening. When the saw blade tension is insufficient, it will wobble and vibrate violently during the cutting process. This unstable operating state not only leads to a decrease in cutting accuracy, but more seriously, irregular friction will occur when the saw blade contacts the wood, causing a large amount of sawdust and even small wood chips to fly out at high speed. This will not only pollute the processing environment and increase cleaning costs, but may also threaten the personal safety of operators. This safety hazard is even more prominent in small and medium-sized processing plants without adequate protective measures. Currently, band saws on the market mostly rely on manual operation to adjust the saw blade tension. Operators need to stop the machine regularly to check and tighten the saw blade by manually adjusting the saw wheel spacing. However, in actual production, operators often neglect regular checks due to being busy, or fail to notice when the saw blade becomes slightly loose, leading to frequent sawdust splattering. Even if loosening is detected, the manual adjustment process will interrupt the production process and affect processing efficiency. Therefore, it is necessary to develop a woodworking band saw that can automatically detect loose saw blades and adjust the tension in a timely manner to prevent splashing. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a splash-proof woodworking band saw, solving the problem of failing to detect and adjust the saw blade in time when it becomes slightly loose due to reliance on manual operation and adjustment of the saw blade tension.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A splash-proof woodworking band saw includes a support column, with a box fixedly installed on the upper and lower outer walls of the support column. An upper saw wheel is provided inside the upper box, and a lower saw wheel is rotatably installed on the inner wall of the lower box. A saw blade is sleeved between the outer walls of the upper and lower saw wheels, and a threaded rod is also included. A drive assembly, which is mounted on a support column and is used to drive the threaded rod to rotate; A detection component is mounted on a support column and is used to detect the vibration amplitude of the saw blade.

[0006] Preferably, the driving component includes: The motor is fixedly mounted on the outer wall of the support column. A first synchronous pulley is fixedly mounted on the output end of the motor. A second synchronous pulley is fixedly mounted on the upper end of the threaded rod. A synchronous belt is sleeved between the outer walls of the second synchronous pulley and the first synchronous pulley.

[0007] Preferably, the detection component includes: A fixed frame is fixedly installed on a support column. The fixed frame is located on one side of the saw blade, and a trigger plate is provided on the other side of the saw blade. Two springs are fixedly installed between the trigger plate and the fixed frame. A vibration sensor is fixedly installed on the outer wall of the fixed frame.

[0008] Preferably, one side of the trigger plate has an adjustment knob installed, and one end of the adjustment knob is threadedly connected to the fixing bracket.

[0009] Preferably, a slide rail is fixedly installed on the inner side wall of the upper box, and a slider is slidably installed on one side of the slide rail, with the shaft end of the upper saw wheel rotatably connected to the slider.

[0010] Preferably, the threaded rod passes through and is threadedly connected to the slider, both ends of the threaded rod are rotatably connected to the slide rail, and the saw blade passes through both housings.

[0011] Compared with the prior art, the present invention has the following beneficial effects: 1. If the saw blade becomes loose, when the vibration amplitude is too large, the saw blade will touch the trigger plate, which will then cause the fixing frame to vibrate. The vibration sensor will then detect the vibration and transmit the data signal to the control panel. The control panel will then control the drive assembly to rotate the threaded rod. Finally, the threaded rod will drive the slider to rise, and at the same time, the upper saw wheel will rise with the slider, causing the saw blade to gradually tighten. This allows for automatic adjustment of the saw blade tension, avoiding the problem of the saw blade splattering due to looseness and improving the timeliness of saw blade tension adjustment. Attached Figure Description

[0012] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a bottom view of the overall structure of this utility model; Figure 3 This is a schematic diagram of the regional structure of the saw blade in this utility model; Figure 4This is a schematic diagram of the regional structure of the upper saw wheel in this utility model.

[0014] Legend: 1. Support column; 2. Fixing frame; 3. Motor; 4. First synchronous pulley; 5. Synchronous belt; 6. Second synchronous pulley; 7. Upper saw wheel; 8. Housing; 9. Saw blade; 10. Lower saw wheel; 11. Slide rail; 12. Threaded rod; 13. Slider; 14. Trigger plate; 15. Adjustment knob; 16. Spring; 17. Vibration sensor. Detailed Implementation

[0015] This application provides a woodworking band saw that prevents splashing, effectively solving the problem that when the saw blade becomes slightly loose due to manual operation and adjustment of the saw blade tension, it cannot be detected and adjusted in time. Example

[0016] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the technical solution in this application embodiment effectively solves the technical problem that when the saw blade becomes slightly loose due to manual operation and adjustment of the saw blade tension, it cannot be detected and adjusted in time. The overall idea is as follows: To address the problems existing in the prior art, this utility model provides a splash-proof woodworking band saw, including a support column 1, with a box 8 fixedly installed on the upper and lower outer walls of the support column 1, an upper saw wheel 7 being provided inside the upper box 8, a lower saw wheel 10 being rotatably installed on the inner wall of the lower box 8, a saw blade 9 being sleeved between the outer walls of the upper saw wheel 7 and the lower saw wheel 10, and also includes a threaded rod 12. A drive assembly is mounted on the support column 1 and is used to drive the threaded rod 12 to rotate. The detection component is mounted on the support column 1 and is used to detect the vibration amplitude of the saw blade 9.

[0017] Furthermore, the driving components include: Motor 3 is fixedly installed on the outer wall of support column 1. The output end of motor 3 is fixedly installed with a first synchronous pulley 4. The upper end of threaded rod 12 is fixedly installed with a second synchronous pulley 6. A synchronous belt 5 is sleeved between the outer walls of the second synchronous pulley 6 and the first synchronous pulley 4.

[0018] Furthermore, the detection components include: The fixed frame 2 is fixedly installed on the support column 1. The fixed frame 2 is located on one side of the saw blade 9. A trigger plate 14 is provided on the other side of the saw blade 9. Two springs 16 are fixedly installed between the trigger plate 14 and the fixed frame 2. A vibration sensor 17 is fixedly installed on the outer wall of the fixed frame 2.

[0019] Furthermore, one side of the trigger plate 14 extends through and rotates to a mounting adjustment knob 15, one end of which extends through and is threadedly connected to the mounting bracket 2.

[0020] Furthermore, a slide rail 11 is fixedly installed on the inner wall of the upper box 8.

[0021] Furthermore, a slider 13 is slidably mounted on one side of the slide rail 11, and the shaft end of the upper saw wheel 7 is rotatably connected to the slider 13.

[0022] Furthermore, the threaded rod 12 passes through and is threadedly connected to the slider 13, and both ends of the threaded rod 12 are rotatably connected to the slide rail 11.

[0023] Furthermore, the saw blade 9 penetrates both boxes 8.

[0024] in: Support column 1: It is a metal square tube structure. The outer wall is fixed with a control panel by metal brackets and bolts. The control panel is connected to motor 3 and vibration sensor 17 via telecommunications. Fixing bracket 2: It is an L-shaped stainless steel sheet, which is fixed to the support column 1 by metal brackets and bolts. It is located on one side of the saw blade 9 and does not contact the saw blade 9. Motor 3: A DC servo motor, which is vertically mounted on the outer wall of support column 1 via a metal bracket and bolts; First synchronous pulley 4: is a circular arc tooth metal synchronous pulley, which is fixed to the output end of motor 3 through a keyway; Synchronous belt 5: is a circular arc toothed rubber synchronous belt, used to link the first synchronous pulley 4 and the second synchronous pulley 6; The second synchronous pulley 6 is a circular arc tooth metal synchronous pulley, which is fixed to the upper end of the threaded rod 12 through a keyway; Upper saw wheel 7: Made of carbon steel and equipped with a metal shaft; Box 8: It is a metal box, which is fixed to the support column 1 by welding. A box door is hinged on one side. A stepper motor is fixed to the exterior of the lower box 8 by a metal bracket and threads to drive the rotation of the lower saw wheel 10. Saw blade 9: The ring saw blade of a band saw; Lower saw wheel 10: Made of carbon steel, with a metal shaft installed. One end of the metal shaft is rotatably mounted on the inner wall of the housing 8 via a shaft seat. The shaft seat is fixed to the inner side wall of the lower housing 8 by bolts. One end of the metal shaft is fixed to the output end of the stepper motor via a keyway. Slide rail 11: It is a stainless steel slide rail with a T-shaped groove on one side, and is fixed to the inner wall of the upper box 8 by bolts; Threaded rod 12: It is a stainless steel threaded rod. The two ends are not threaded when connected to the slide rail 11. It is used to drive the slider 13 to move up and down to adjust the height of the upper saw wheel 7, thereby adjusting the tension of the saw blade 9. Slider 13: Made of stainless steel, it is connected to the shaft of the upper saw wheel 7 via a bearing, and has a threaded hole on one side for connecting the threaded rod 12; Trigger plate 14: It is a rectangular thin sheet of stainless steel. Two metal guide rods are welded on the side near the fixing frame 2. The metal guide rods pass through and are slidably connected to the fixing frame 2. Spring 16 is sleeved on the outer wall of the metal guide rods. Adjustment knob 15: Composed of a plastic knob and a stainless steel threaded rod, it adjusts the distance between the trigger plate 14 and the saw blade 9 by adjusting the distance between the trigger plate 14 and the fixed frame 2, thereby adjusting the threshold for detecting the vibration amplitude of the saw blade 9; Spring 16: It is a stainless steel spring, initially in a semi-compressed state, with its two ends abutting against the fixing frame 2 and the trigger plate 14 respectively; Vibration sensor 17: This is a piezoelectric vibration sensor, which is fixed to the mounting bracket 2 by adhesive bonding. It is used to detect the vibration of the mounting bracket 2 and transmit the data signal to the control panel.

[0025] Working principle: First, during the rotation of the saw blade 9, if the saw blade 9 becomes loose, the vibration amplitude of the saw blade 9 will increase, causing the saw blade 9 to touch the trigger plate 14 and drive the trigger plate 14 to vibrate. Then, through the transmission of the adjustment knob 15 and the spring 16, the fixed frame 2 will also vibrate. Next, the vibration sensor 17 will detect the vibration and transmit the data signal to the control panel.

[0026] In the second step, after the control panel receives the signal from the vibration sensor 17, the control panel will control the motor 3 to turn on and drive the first synchronous pulley 4 to rotate. Then, through the transmission of the synchronous belt 5 and the second synchronous pulley 6, the threaded rod 12 drives the slider 13 to rise. At the same time, the upper saw wheel 7 rises with the slider 13, so that the saw blade 9 gradually tightens, thereby avoiding the problem of splashing caused by looseness.

[0027] The third step is to adjust the distance between the trigger plate 14 and the fixed frame 2 by rotating the adjustment knob 15, thereby adjusting the gap distance between the trigger plate 14 and the saw blade 9, and thus adjusting the trigger threshold for detecting the vibration amplitude of the saw blade 9.

[0028] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A woodworking band saw with splash-proof features, characterized in that, include: Support column (1), the upper and lower outer walls of the support column (1) are fixedly installed with box (8), the upper box (8) is provided with an upper saw wheel (7) inside, the lower box (8) is rotatably installed with a lower saw wheel (10) on the inner wall, a saw blade (9) is sleeved between the outer walls of the upper saw wheel (7) and the lower saw wheel (10), and also includes a threaded rod (12). A drive assembly is mounted on a support column (1) and is used to drive the threaded rod (12) to rotate; The detection component is mounted on the support column (1) and is used to detect the vibration amplitude of the saw blade (9).

2. The splash-proof woodworking band saw as described in claim 1, characterized in that, The driving component includes: The motor (3) is fixedly installed on the outer wall of the support column (1). The output end of the motor (3) is fixedly installed with a first synchronous pulley (4). The upper end of the threaded rod (12) is fixedly installed with a second synchronous pulley (6). A synchronous belt (5) is sleeved between the outer walls of the second synchronous pulley (6) and the first synchronous pulley (4).

3. The splash-proof woodworking band saw as described in claim 1, characterized in that, The detection component includes: A fixed frame (2) is fixedly installed on a support column (1). The fixed frame (2) is located on one side of the saw blade (9). A trigger plate (14) is provided on the other side of the saw blade (9). Two springs (16) are fixedly installed between the trigger plate (14) and the fixed frame (2). A vibration sensor (17) is fixedly installed on the outer wall of the fixed frame (2).

4. A splash-proof woodworking band saw as described in claim 3, characterized in that: The trigger plate (14) has one side that passes through and rotates to a mounting adjustment knob (15), one end of which passes through and is threadedly connected to the fixing bracket (2).

5. A splash-proof woodworking band saw as described in claim 1, characterized in that: The inner wall of the upper box (8) is fixedly installed with a slide rail (11).

6. A splash-proof woodworking band saw as described in claim 5, characterized in that: A slider (13) is slidably mounted on one side of the slide rail (11), and the shaft end of the upper saw wheel (7) is rotatably connected to the slider (13).

7. A splash-proof woodworking band saw as described in claim 1, characterized in that: The threaded rod (12) passes through and is threadedly connected to the slider (13), and both ends of the threaded rod (12) are rotatably connected to the slide rail (11).

8. A splash-proof woodworking band saw as described in claim 1, characterized in that: The saw blade (9) penetrates both boxes (8).

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