Saw band adjusting device for a band saw

Abstract

The utility model belongs to the technical field of band sawing machine, concretely relates to a sawing band adjusting device of band sawing machine, including base, both ends of base all contact have mounting bracket, the inside of mounting bracket is provided with guide roller, the inside sliding connection of base has connecting plate, the one end fixed connection of connecting plate near mounting bracket has connecting rod, the inside of base is connected with threaded rod through bearing, the inside rotation connection of base has the pivot, the utility model discloses through the threaded rod drive connecting plate along its axial movement, drive guide roller synchronous displacement adjustment the interval of both, this structure utilizes the accurate control characteristic of screw drive, through the screwing threaded rod can be adjusted guide roller's clamping force to sawing band flexibly, realize the quick regulation of sawing band tightness, effectively solve the problem that the traditional band sawing machine is inconvenient to adjust tightness because of sawing band long -term use relaxation or wear and tear after, promote sawing band state maintenance efficiency.

Description

Technical Field

[0001] This utility model relates to the field of band saw technology, specifically to a band saw band adjustment device. Background Technology

[0002] A band saw is a metal cutting device that uses a circular saw band as the cutting tool. Driven by a motor, the saw band rotates at high speed, and in conjunction with the feed motion of the worktable, it achieves straight or curved cutting of metal materials. Its working principle utilizes the tension on the back of the saw band to press the saw teeth firmly against the workpiece surface, and the continuous cutting of the saw teeth completes material separation. This equipment is widely used in machinery manufacturing, mold processing, and automotive parts production, and can efficiently complete the cutting and blanking operations of different materials such as carbon steel, stainless steel, and alloys. It features high cutting accuracy, good surface roughness, and low material loss. Band saws are typically equipped with hydraulic or mechanical feed systems, which can adjust the cutting speed and feed rate according to processing needs. This allows them to meet the efficiency requirements of mass production as well as adapt to flexible processing scenarios involving small batches and multiple specifications, making them an indispensable basic equipment in the modern metal processing industry.

[0003] The saw blade of a band saw may loosen or wear after long-term use, and adjustment is not convenient. Utility Model Content

[0004] The purpose of this utility model is to provide a band saw adjustment device for a band saw, which solves the problem that the band saw blade of a band saw will become loose or worn after long-term use, and is not convenient to adjust.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a band saw adjustment device for a band saw, comprising a base, with mounting frames at both ends of the base, guide rollers inside the mounting frames, a connecting plate slidably connected inside the base, a connecting rod fixedly connected to one end of the connecting plate near the mounting frames, a threaded rod connected inside the base via a bearing, a rotating shaft rotatably connected inside the base, a first bevel gear fixedly connected to one end of the rotating shaft near the threaded rod, a second bevel gear fixedly connected to the outer side of the threaded rod, the first bevel gear meshing with the second bevel gear, a knob fixedly connected to one end of the rotating shaft away from the first bevel gear, the knob contacting the base, and a limit mechanism provided on the base.

[0006] Preferably, the connecting rod is slidably connected to the base and fixedly connected to the mounting frame. The design of the connecting rod allows the connecting plate to drive the guide roller to move.

[0007] Preferably, the outer side of the threaded rod is provided with positive and negative threads, and the threaded rod is connected to the connecting plate by threads. Through the design of the threaded rod, two connecting plates can be moved simultaneously.

[0008] Preferably, a retaining ring is fixedly connected to the outer side of the rotating shaft. The retaining ring contacts the inner wall of the base. The design of the retaining ring can limit the rotation of the rotating shaft.

[0009] Preferably, the limiting mechanism includes a limiting frame, which is slidably connected to the outer side of the base. The limiting frame contacts the knob, and a locking block is fixedly connected to the side of the limiting frame near the knob. A locking groove is provided inside the knob, and the locking block is slidably connected to the locking groove. A guide rod is fixedly connected inside the limiting frame, and a guide block is fixedly connected to the upper end of the base. A spring is provided on the outer side of the guide rod. Through the design of the limiting mechanism, the guide roller can remain stable after adjustment.

[0010] Preferably, the guide block is slidably connected to the limiting frame, and the guide block is slidably connected to the guide rod. Through the design of the guide block, the limiting frame can be guided.

[0011] Preferably, one end of the spring contacts the guide block, and the other end of the spring contacts the limiting frame. Through the design of the spring, the limiting frame can be driven to limit the knob.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model drives the connecting plate to move along its axial direction by rotating the threaded rod, thereby driving the guide roller to move synchronously and adjust the distance between the two. This structure utilizes the precise control characteristics of threaded transmission, and the clamping force of the guide roller on the saw band can be flexibly adjusted by turning the threaded rod, so as to realize the rapid adjustment of the saw band tension. This effectively solves the problem of inconvenient tension adjustment after the saw band has loosened or worn for a long time in traditional band saws, and improves the efficiency of saw band condition maintenance.

[0013] 2. This utility model, by setting up components such as a limit frame, a locking block, and a spring, allows the locking block on the limit frame to slide into the locking groove on the knob through the elastic force of the spring, thereby limiting the knob and thus limiting the threaded rod, so that the guide roller remains stable after adjustment. Attached Figure Description

[0014] Figure 1 This is a three-dimensional view of the overall structure of this utility model; Figure 2 For the present utility model Figure 1 A partial three-dimensional structural diagram; Figure 3 For the present utility model Figure 1 Top sectional view of the partial structure; Figure 4 For the present utility model Figure 2 Enlarged view of part A of the structure.

[0015] In the diagram: 1. Base; 2. Mounting bracket; 21. Guide roller; 3. Connecting plate; 31. Connecting rod; 32. Threaded rod; 33. Rotating shaft; 34. First bevel gear; 35. Second bevel gear; 36. Retaining ring; 37. Knob; 4. Limiting mechanism; 41. Limiting bracket; 42. Locking block; 43. Locking groove; 44. Guide rod; 45. Guide block; 46. Spring. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figure 1-4 A band saw adjustment device includes a base 1, with mounting frames 2 at both ends of the base 1. A guide roller 21 is installed inside the mounting frame 2. A connecting plate 3 is slidably connected inside the base 1. A connecting rod 31 is fixedly connected to one end of the connecting plate 3 near the mounting frame 2. The connecting rod 31 is slidably connected to the base 1 and fixedly connected to the mounting frame 2. The design of the connecting rod 31 allows the connecting plate 3 to move the guide roller 21. A threaded rod 32 is connected inside the base 1 via a bearing. The outer side of the threaded rod 32 has both positive and negative threads. The threaded rod 32 is threadedly connected to the connecting plate 3. The design of the threaded rod 32 allows both connecting plates 3 to move simultaneously.

[0018] Please see Figure 2-4 The base 1 is internally connected to a rotating shaft 33. A first bevel gear 34 is fixedly connected to one end of the rotating shaft 33 near the threaded rod 32. A second bevel gear 35 is fixedly connected to the outside of the threaded rod 32. The first bevel gear 34 and the second bevel gear 35 mesh. A retaining ring 36 is fixedly connected to the outside of the rotating shaft 33. The retaining ring 36 contacts the inner wall of the base 1. The retaining ring 36 can limit the rotation of the rotating shaft 33. A knob 37 is fixedly connected to one end of the rotating shaft 33 away from the first bevel gear 34. The knob 37 contacts the base 1. A limit mechanism 4 is provided on the base 1.

[0019] Please see Figure 2-4The limiting mechanism 4 includes a limiting frame 41. The limiting frame 41 is slidably connected to the outer side of the base 1. The limiting frame 41 contacts the knob 37. A locking block 42 is fixedly connected to the side of the limiting frame 41 near the knob 37. A locking groove 43 is opened inside the knob 37. The locking block 42 is slidably connected to the locking groove 43. A guide rod 44 is fixedly connected inside the limiting frame 41. A guide block 45 is fixedly connected to the upper end of the base 1. The guide block 45 is slidably connected to the limiting frame 41 and the guide rod 44. The guide block 45 can guide the limiting frame 41. A spring 46 is provided on the outer side of the guide rod 44. One end of the spring 46 contacts the guide block 45, and the other end of the spring 46 contacts the limiting frame 41. The spring 46 can drive the limiting frame 41 to limit the knob 37. The limiting mechanism 4 can keep the guide roller 21 stable after adjustment.

[0020] The specific implementation process of this utility model is as follows: When in use, the base 1 is installed inside the saw blade, and then the limiting frame 41 is moved away from the base 1, so that the limiting frame 41 drives the guide rod 44 to slide in the guide block 45, so that the limiting frame 41 squeezes the spring 46, and the limiting frame 41 drives the locking block 42 to slide out of the locking groove 43 on the knob 37, so that the limiting of the knob 37 can be released. By rotating knob 37, the knob 37 drives the rotating shaft 33 to rotate, which in turn drives the first bevel gear 34 to rotate, which in turn drives the second bevel gear 35 to rotate, which in turn drives the threaded rod 32 to rotate. This causes the threaded rod 32 to move in a threaded motion with the connecting plate 3, thereby moving the connecting plate 3 on the threaded rod 32. This causes the connecting plate 3 to move the connecting rod 31, which in turn moves the mounting frame 2. This allows the mounting frame 2 to move the guide roller 21, thus adjusting the distance between the two guide rollers 21 and enabling the guide roller 21 to tension the saw blade.

[0021] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A band saw adjustment device for a band saw, comprising a base (1), characterized in that: Both ends of the base (1) are in contact with the mounting bracket (2). The mounting bracket (2) is provided with a guide roller (21). The base (1) is slidably connected with a connecting plate (3). The end of the connecting plate (3) near the mounting bracket (2) is fixedly connected with a connecting rod (31). The base (1) is connected with a threaded rod (32) through a bearing. The base (1) is rotatably connected with a rotating shaft (33). The end of the rotating shaft (33) near the threaded rod (32) is fixedly connected with a first bevel gear (34). The outside of the threaded rod (32) is fixedly connected with a second bevel gear (35). The first bevel gear (34) meshes with the second bevel gear (35). The end of the rotating shaft (33) away from the first bevel gear (34) is fixedly connected with a knob (37). The knob (37) is in contact with the base (1). The base (1) is provided with a limit mechanism (4).

2. The band saw adjustment device for a band saw according to claim 1, characterized in that: The connecting rod (31) is slidably connected to the base (1), and the connecting rod (31) is fixedly connected to the mounting bracket (2).

3. The band saw adjustment device for a band saw according to claim 1, characterized in that: The threaded rod (32) has positive and negative threads on its outer side, and the threaded rod (32) is connected to the connecting plate (3) by threads.

4. The saw band adjustment device for a band saw according to claim 1, characterized in that: A retaining ring (36) is fixedly connected to the outer side of the rotating shaft (33), and the retaining ring (36) contacts the inner wall of the base (1).

5. The saw band adjustment device for a band saw according to claim 1, characterized in that: The limiting mechanism (4) includes a limiting frame (41). The limiting frame (41) is slidably connected to the outer side of the base (1). The limiting frame (41) is in contact with the knob (37). A locking block (42) is fixedly connected to the side of the limiting frame (41) near the knob (37). A locking groove (43) is opened inside the knob (37). The locking block (42) is slidably connected to the locking groove (43). A guide rod (44) is fixedly connected inside the limiting frame (41). A guide block (45) is fixedly connected to the upper end of the base (1). A spring (46) is provided on the outer side of the guide rod (44).

6. The band saw adjustment device for a band saw according to claim 5, characterized in that: The guide block (45) is slidably connected to the limiting frame (41), and the guide block (45) is slidably connected to the guide rod (44).

7. The band saw adjustment device for a band saw according to claim 5, characterized in that: One end of the spring (46) is in contact with the guide block (45), and the other end of the spring (46) is in contact with the limit frame (41).

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