Metal band saw machine belt body adjusting mechanism
By using a self-locking mechanism of worm gear and threaded drive, combined with guide plate and guide wheel, the problems of complex operation and unstable tension of the band saw body adjustment mechanism are solved, achieving precise adjustment and stable tension, thus improving cutting accuracy and band saw ring life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHONGQING ZHONGMAOXING MASCH MFG CO LTD
- Filing Date
- 2025-06-11
- Publication Date
- 2026-06-09
AI Technical Summary
The existing band saw adjustment mechanism is complex and labor-intensive to operate, making it difficult to accurately control the tension. Furthermore, it is easily altered under vibration and cutting force, affecting cutting accuracy and the lifespan of the band saw ring.
A combination of worm gear and threaded drive self-locking mechanism is adopted. The active rotating wheel is driven by a servo motor to achieve precise tension adjustment of the band saw ring. The guide plate and guide wheel restrict the movement direction of the push wheel to ensure constant tension.
It enables precise adjustment and stabilization of band saw ring tension, preventing tension changes caused by vibration or cutting force, thereby improving cutting accuracy and the service life of the band saw ring.
Smart Images
Figure CN224333573U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of band saw technology, and in particular to a band saw belt adjustment mechanism. Background Technology
[0002] In the field of metal processing, metal band saws play an important role as key equipment for cutting various metal materials (such as carbon steel, low alloy steel, high alloy steel, special alloy steel and stainless steel). With the development of the manufacturing industry, the performance requirements for metal band saws are increasing, especially the band adjustment mechanism, whose performance directly affects the cutting accuracy, efficiency and stability of the band saw.
[0003] The existing band saw adjustment mechanisms have many shortcomings that need improvement. Regarding band saw ring tension adjustment, traditional methods often rely on complex and laborious manual operation. Operators need to expend considerable torque to adjust the band saw ring tension, which is not only difficult and inefficient but also makes it difficult to accurately control the tension. Furthermore, ordinary adjustment structures lack effective self-locking designs. During band saw operation, factors such as vibration and cutting force can easily cause changes in band saw ring tension, leading to decreased cutting accuracy and accelerated band saw ring wear, thus shortening its service life. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the problems existing in the prior art, this utility model provides a band saw belt adjustment mechanism.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model provides the following technical solution: a metal band saw belt body adjustment mechanism, comprising a base, a fixed frame fixedly connected to the top of the base, a frame door hinged to the front of the fixed frame, and a driving wheel and a driven wheel rotatably connected to the inner wall of the fixed frame. A band saw ring is fitted onto the surface of the driving wheel and the driven wheel. A screw frame is provided on one side of the band saw ring, and a sliding sleeve is threadedly connected to the surface of the screw frame. A sliding block is fixedly connected to the top of the sliding sleeve, and a push frame is fixedly connected to one side of the sliding block. A push wheel is rotatably connected to the inner wall of the push frame, and the surface of the push wheel abuts against the surface of the band saw ring.
[0008] In a preferred embodiment of the metal band saw belt adjustment mechanism of this utility model, one end of the screw frame is fixedly connected to a worm gear disk, and the lower end of the worm gear disk is meshed with a worm gear frame.
[0009] In a preferred embodiment of the metal band saw belt adjustment mechanism of this utility model, one end of the worm gear frame is fixedly connected to the side wall of the fixed frame, and a turntable is fixedly connected to one end of the worm gear frame.
[0010] In a preferred embodiment of the metal band saw belt adjustment mechanism of this utility model, the side wall of the sliding block is provided with a groove, the inner wall of the groove is slidably connected with a guide plate, and the lower end of the guide plate is fixedly connected to the inner wall of the fixed frame.
[0011] As a preferred embodiment of the band saw adjustment mechanism of the present invention, guide wheels are provided on both sides of the push wheel, one side of the guide wheel is rotatably connected to the inner wall of the fixed frame, and the surface of the guide wheel is slidably connected to the surface of the band saw ring.
[0012] In a preferred embodiment of the band saw adjustment mechanism of the present invention, a servo motor is provided on one side of the drive wheel, and the servo motor is mounted on the surface of the base.
[0013] In a preferred embodiment of the metal band saw belt adjustment mechanism of this utility model, a cutting table is provided above the servo motor, and the cutting table is fixedly connected to the surface of the fixed frame.
[0014] (III) Beneficial Effects
[0015] This utility model provides a band adjustment mechanism for a metal band saw. It has the following advantages:
[0016] 1. By rotating the turntable connected to the worm gear holder, the worm gear holder drives the worm wheel to rotate, which in turn drives the screw holder to rotate. Since the screw holder and the sliding sleeve are connected by threads, the rotation of the screw holder causes the sliding sleeve to move axially. Through the sliding block, the push frame moves synchronously, so that the push wheel presses against the band saw ring, thereby realizing the tension adjustment. Due to the dual self-locking function of the threaded drive and the worm gear, it is ensured that the tension of the band saw ring after adjustment will not change due to working vibration, and the tension is kept constant during the cutting process.
[0017] 2. The guide plate, which is fixed to the inner wall of the fixed frame, slides through the groove on the side wall. When the sliding sleeve moves the sliding block, the guide plate restricts it to move only along the screw axis, ensuring that the push wheel is perpendicular to the band saw ring and avoiding lateral deviation. At the same time, the guide wheels on both sides of the push wheel slide in contact with the surface of the band saw ring, continuously restricting the lateral swing of the band saw ring during the cutting process. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This utility model Figure 1 A schematic diagram of the side view structure;
[0021] Figure 3 This is a schematic diagram of the internal structure of the fixed frame in this utility model;
[0022] Figure 4 This is a schematic diagram of the guide wheel in this utility model;
[0023] Figure 5 This is a schematic diagram of the sliding block in this utility model.
[0024] In the diagram, 1. Base; 2. Fixed frame; 3. Frame door; 4. Cutting table; 5. Servo motor; 6. Driving wheel; 7. Driven wheel; 8. Band saw ring; 9. Guide wheel; 10. Push wheel; 11. Push frame; 12. Sliding block; 13. Slide groove; 14. Guide plate; 15. Sliding sleeve; 16. Screw bracket; 17. Worm gear; 18. Worm bracket; 19. Turntable. Detailed Implementation
[0025] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0026] Reference Figures 1 to 5As shown, this utility model provides a technical solution: a band saw body adjustment mechanism, including a base 1, a fixed frame 2 fixedly connected to the top of the base 1, a frame door 3 hinged to the front of the fixed frame 2, and a driving wheel 6 and a driven wheel 7 rotatably connected to the inner wall of the fixed frame 2. A band saw ring 8 is sleeved on the surface of the driving wheel 6 and the driven wheel 7. A screw frame 16 is provided on one side of the band saw ring 8, and a sliding sleeve 15 is threadedly connected to the surface of the screw frame 16. A sliding block 12 is fixedly connected to the top of the sliding sleeve 15, and a push frame 11 is fixedly connected to one side of the sliding block 12. A push wheel 10 is rotatably connected to the inner wall of the push frame 11. The surface of the push wheel 10 abuts against the surface of the band saw ring 8. By rotating the turntable 19 connected to the worm gear frame 18, the worm gear frame 18 drives the worm wheel disk 17 to rotate, which in turn drives the screw frame 16 to rotate. Since the screw frame 16 and the sliding sleeve 15 are threaded together, the rotation of the screw frame 16 causes the sliding sleeve 15 to move axially. Through the sliding block 12, the push frame 11 moves synchronously, so that the push wheel 10 presses against the band saw ring 8, thereby realizing the tension adjustment. Due to the dual self-locking function of the threaded drive and the worm gear, it is ensured that the tension of the band saw ring 8 after adjustment will not change due to working vibration, and the tension is kept constant during the cutting process.
[0027] Reference Figure 3 and Figure 5 As shown in this embodiment: one end of the screw frame 16 is fixedly connected to the worm gear disk 17, the lower end of the worm gear disk 17 is meshed with the worm frame 18, one end of the worm frame 18 is fixedly connected to the side wall of the fixed frame 2, and one end of the worm frame 18 is fixedly connected to the turntable 19. The side wall of the sliding block 12 is provided with a sliding groove 13, and the inner wall of the sliding groove 13 is slidably connected to the guide plate 14. The lower end of the guide plate 14 is fixedly connected to the inner wall of the fixed frame 2. Through the sliding groove 13 of the side wall and the guide plate 14 fixed to the inner wall of the fixed frame 2, when the sliding sleeve 15 drives the sliding block 12 to move, the guide plate 14 restricts it to only move along the screw axis, ensuring that the push wheel 10 abuts vertically against the band saw ring 8 and avoiding lateral displacement.
[0028] Reference Figure 2 , Figure 4 and Figure 5 As shown, specifically, guide wheels 9 are provided on both sides of the push wheel 10. One side of the guide wheel 9 is rotatably connected to the inner wall of the fixed frame 2, and the surface of the guide wheel 9 is slidably connected to the surface of the band saw ring 8. A servo motor 5 is provided on one side of the drive wheel 6. The servo motor 5 is mounted on the surface of the base 1. A cutting table 4 is provided above the servo motor 5. The cutting table 4 is fixedly connected to the surface of the fixed frame 2. By sliding contact between the guide wheels 9 on both sides of the push wheel 10 and the surface of the band saw ring 8, the lateral swing of the band saw ring 8 is continuously restricted during the cutting process. At the same time, the servo motor 5 can drive the drive gear to rotate, and the cutting table 4 can place the cut parts.
[0029] Working principle: During use, the operator rotates the turntable 19, and the worm gear frame 18, which is coaxially fixed to the turntable 19, rotates accordingly. The worm gear frame 18 meshes with the worm wheel disk 17. Since one end of the screw frame 16 is fixed to the worm wheel disk 17, the rotation of the worm wheel disk 17 drives the screw frame 16 to rotate synchronously. The screw frame 16 and the sliding sleeve 15 are connected by threads, and the rotational motion of the screw frame 16 is converted into the linear motion of the sliding sleeve 15 along the screw axis. The sliding block 12 fixed at the top of the sliding sleeve 15 drives the push frame 11 to translate, so that the push wheel 10, which is rotatably connected to the inner wall of the push frame 11, gradually presses against the band saw ring 8, realizing precise adjustment of tension. At the same time, due to the reverse self-locking characteristic of the worm gear transmission and the screw... The self-locking function of the band saw ring 8 can effectively prevent the tension of the band saw ring 8 from changing due to factors such as working vibration and cutting reaction force after adjustment, ensuring constant tension. When the sliding block 12 moves under the drive of the sliding sleeve 15, the guide plate 14 constrains it, allowing the sliding block 12 to move only along the screw axis, avoiding lateral deviation of the push wheel 10 during adjustment, and ensuring that the push wheel 10 always acts perpendicularly on the band saw ring 8. At the same time, the guide wheels 9 set on both sides of the push wheel 10 are in close contact with the surface of the band saw ring 8, and the band saw ring 8 is laterally limited by rolling friction to prevent the band saw ring 8 from swinging or deviating during cutting, further improving the operational stability.
[0030] It should be noted that in this paper, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.
Claims
1. A metal band saw machine band body adjusting mechanism comprising a base (1), characterized in that: A fixed frame (2) is fixedly connected to the top of the base (1). A frame door (3) is hinged to the front of the fixed frame (2). An active rotating wheel (6) and a driven rotating wheel (7) are rotatably connected to the inner wall of the fixed frame (2). A band saw ring (8) is sleeved on the surface of the active rotating wheel (6) and the driven rotating wheel (7). A screw frame (16) is provided on one side of the band saw ring (8). A sliding sleeve (15) is threadedly connected to the surface of the screw frame (16). A sliding block (12) is fixedly connected to the top of the sliding sleeve (15). A push frame (11) is fixedly connected to one side of the sliding block (12). A push wheel (10) is rotatably connected to the inner wall of the push frame (11). The surface of the push wheel (10) abuts against the surface of the band saw ring (8).
2. A metal band saw machine belt adjustment mechanism according to claim 1, characterized in that: One end of the screw frame (16) is fixedly connected to a worm gear disk (17), and the lower end of the worm gear disk (17) is meshed with a worm frame (18).
3. A metal band saw machine belt adjustment mechanism according to claim 2, characterized in that: One end of the worm gear frame (18) is fixedly connected to the side wall of the fixed frame (2), and a turntable (19) is fixedly connected to one end of the worm gear frame (18).
4. A metal band saw machine belt adjustment mechanism according to claim 1, characterized in that: The sliding block (12) has a sliding groove (13) on its side wall, and a guide plate (14) is slidably connected to the inner wall of the sliding groove (13). The lower end of the guide plate (14) is fixedly connected to the inner wall of the fixed frame (2).
5. A metal band saw machine belt adjustment mechanism according to claim 1, characterized in that: Guide wheels (9) are provided on both sides of the push wheel (10). One side of the guide wheel (9) is rotatably connected to the inner wall of the fixed frame (2), and the surface of the guide wheel (9) is slidably connected to the surface of the band saw ring (8).
6. A metal band saw machine belt adjustment mechanism according to claim 1, characterized in that: A servo motor (5) is provided on one side of the active rotating wheel (6), and the servo motor (5) is mounted on the surface of the base (1).
7. A metal band saw machine belt adjustment mechanism according to claim 6, characterized in that: A cutting table (4) is provided above the servo motor (5), and the cutting table (4) is fixedly connected to the surface of the fixed frame (2).