Saw head with front swing angle adjustment device

Abstract

This utility model relates to a front-mounted swing angle adjustment device for saw heads, including a worktable and a swing angle seat. The rear end of the swing angle seat is rotatably mounted on the worktable via a rotating shaft and bearings, while the front end is rotatably mounted on the worktable via a semi-circular mounting plate, an arc-shaped slide rail, and a support wheel. An arc-shaped rack is provided on the semi-circular mounting plate, and a motor base is provided at the front end of the worktable. A reducer is mounted on the motor base, with a handwheel and a motor at the input end of the reducer, and a drive shaft at the output end. A drive gear meshing with the arc-shaped rack is located at the end of the drive shaft. This device has advantages such as reasonable structural design, a large swing angle adjustment range, and controllable cost.

Description

Technical Field

[0001] This utility model relates to the field of profile sawing technology, specifically to a front swing angle adjustment device for saw heads. Background Technology

[0002] A double-head saw is a specialized piece of equipment for cutting aluminum-plastic profiles. It consists of a frame with two saw heads, one typically fixed and the other movable. To meet different cutting angle requirements, existing technology has optimized and improved the saw head structure by incorporating a specially designed tilting angle seat. The main saw is mounted on the tilting angle seat, which can rotate around the saw head's worktable to adjust the tilting angle, ultimately allowing for adjustment of the cutting angle.

[0003] To increase the swing angle adjustment range, our company developed a structure where the front end of the swing angle seat is supported by a circular arc track and rollers. Simultaneously, an RV reducer and servo motor are connected to the rear end of the swing angle seat to achieve CNC-controlled swing angle adjustment, and a patent has been applied for (application number: 2025215050882). This technical solution achieves the goals of increasing the swing angle adjustment range and CNC-precise swing angle adjustment. In practical applications, the cost of a regular reducer and motor is approximately 500-1000 RMB, while the cost of using an RV reducer and servo motor is approximately 3500 RMB. Two saw heads double the cost, resulting in a price increase of approximately 5000 RMB for the entire machine. This is acceptable for large-scale enterprises, but difficult for small-scale enterprises. Therefore, it is necessary to further optimize based on our company's R&D costs to develop an economical double-head saw that effectively reduces costs while maintaining an increased swing angle adjustment range.

[0004] It should be noted that the above content falls within the inventor's technical knowledge and does not necessarily constitute prior art. Utility Model Content

[0005] The purpose of this utility model is to solve the problems existing in the prior art and provide a front swing angle adjustment device for saw heads, which has the advantages of reasonable structural design, large swing angle adjustment range and controllable cost.

[0006] This utility model achieves the above objectives by adopting the following technical solutions: The saw head uses a front-mounted swing angle adjustment device, which includes a worktable and a swing angle seat. The rear end of the swing angle seat is rotatably mounted on the worktable via a rotating shaft and bearings, while the front end is rotatably mounted on the worktable via a semi-circular mounting plate, an arc-shaped slide rail, and a support wheel. The semi-circular mounting plate is provided with an arc-shaped rack, and the front end of the worktable is provided with a motor base. The motor base is provided with a reducer, and the input end of the reducer is provided with a handwheel and a motor, while the output end is provided with a drive shaft. The end of the drive shaft is provided with a drive gear that meshes with the arc-shaped rack.

[0007] The worktable is equipped with a locking cylinder at its rear end, and a locking block is provided on the locking cylinder. The locking block acts on the rear end face of the swing angle seat to lock it.

[0008] The front end of the swing bracket is provided with an arc-shaped positioning groove, and the corresponding semi-circular mounting plate has an arc-shaped positioning strip.

[0009] The rear end of the swing bracket is provided with a vertical plate, the vertical plate is provided with a rotating shaft, the worktable is provided with a bearing seat, the bearing seat is provided with a bearing for mounting the rotating shaft, and the end of the bearing seat is provided with a bearing end cap.

[0010] The semi-circular mounting plate has a baffle at its front end.

[0011] The present invention, by adopting the above-described structure, can bring the following beneficial effects: (1) The front end of the swing angle seat adopts a semi-circular mounting plate, arc slide rail and support wheel to achieve rotation support. This structure does not require a long arm (swing arm) structure, thus effectively solving the interference problem and increasing the swing angle adjustment range; (2) Make full use of the structure of the semi-circular mounting plate, design arc rack and drive gear drive, and match ordinary reducer and motor. While meeting the swing angle adjustment, it can significantly reduce the cost and take into account the large range of swing angle adjustment and cost requirements. Attached image description: Figure 1 This is a schematic diagram of the front swing angle adjustment device for the saw head of this utility model; Figure 2 This is an exploded view of the front swing angle adjustment device for the saw head of this utility model; Figure 3 This is an exploded view from another perspective of the front swing angle adjustment device for the saw head of this utility model; Figure 4 This is a schematic diagram of the structure of the swing angle seat of this utility model; Figure 5 This is a schematic diagram of the semi-circular mounting plate of this utility model; Figure 6 This is a structural schematic diagram of the semi-circular mounting plate of this utility model from another perspective; In the diagram, 1. Workbench, 2. Swing seat, 3. Shaft, 4. Bearing, 5. Semi-circular mounting plate, 6. Arc slide rail, 7. Support wheel, 8. Arc rack, 9. Motor base, 10. Reducer, 11. Handwheel, 12. Motor, 13. Drive shaft, 14. Drive gear, 15. Locking cylinder, 16. Locking block, 17. Arc-shaped positioning groove, 18. Arc-shaped positioning strip, 19. Vertical plate, 20. Bearing seat, 21. Bearing end cover, 22. Baffle, 23. Support base, 24. Pressure roller support, 25. Pressure roller, 26. Guide rail, 27. Motor slide, 28. Saw motor, 29. Saw blade, 30. Feed drive cylinder. Detailed implementation method: To more clearly illustrate the overall concept of this utility model, a detailed description will be provided below with reference to the accompanying drawings.

[0012] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0013] The various embodiments in this specification are described in a progressive manner. The same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on describing the differences from other embodiments.

[0014] Furthermore, the terms “front end” and “back end” are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the location of the indicated technical features.

[0015] In this utility model, unless otherwise explicitly specified and limited, the terms "provided with," "set up," and "connected" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0016] like Figure 1-6As shown, the saw head uses a front-mounted swing angle adjustment device, including a worktable 1 and a swing angle seat 2. The rear end of the swing angle seat 2 is rotatably mounted on the worktable 1 via a rotating shaft 3 and a bearing 4, while the front end is rotatably mounted on the worktable 1 via a semi-circular mounting plate 5, an arc-shaped slide rail 6, and a support wheel 7. Typically, a support base 23 is installed on the worktable 1, and then the support wheel 7 is mounted on the support base 23. To further improve the reliability of the rotational support, a pressure roller support 24 can also be installed on the support base 23. The pressure roller support 24 is equipped with a pressure roller 25, which functions as follows: On the inner side of the arc slide rail 6, an arc rack 8 is provided on the semi-circular mounting plate 5. A motor base 9 is provided at the front end of the worktable 1, and a reducer 10 is provided on the motor base 9. The reducer has both manual and electric drive modes. The input end of the reducer 9 is provided with a handwheel 11 and a motor 12. The motor 12 enables quick and approximate adjustment of the swing angle, and the handwheel 11 enables precise adjustment of the swing angle. The output end is provided with a drive shaft 13, and the end of the drive shaft 13 is provided with a drive gear 14 that meshes with the arc rack 8. The front end of the swing angle seat 2 is supported by a semi-circular mounting plate 5, an arc slide rail 6, and a support wheel 7. This structure eliminates the need for a long arm (swing arm) structure, thus effectively solving the interference problem and increasing the swing angle adjustment range. By making full use of the structure of the semi-circular mounting plate 5, the arc rack 8 and drive gear 14 are designed for drive, while matching ordinary reducers 10 and motors 12. Under the condition of satisfying the swing angle adjustment, the cost can be significantly reduced, balancing the requirements of a wide range of swing angle adjustment and cost.

[0017] The rear end of the worktable 1 is equipped with a locking cylinder 15, and the locking cylinder 15 is equipped with a locking block 16. The locking block 16 acts on the rear end face of the swing angle seat 2 to lock it. In practical applications, the reducer 10 usually also has a self-locking function, such as the common worm gear reducer. By designing the locking cylinder 15, the swing angle seat can be reliably locked.

[0018] The front end of the swing bracket 2 is provided with an arc-shaped positioning groove 17, and the corresponding arc-shaped positioning strip 18 is on the semi-circular mounting plate 5. This structural design facilitates the quick and accurate installation of the semi-circular mounting plate 5 on the front end of the swing bracket 2, improving assembly efficiency and accuracy.

[0019] The rear end of the swing bracket 2 is provided with a vertical plate 19, on which a rotating shaft 3 is provided. The worktable 1 is provided with a bearing seat 20, on which a bearing 4 for mounting the rotating shaft 3 is provided. The end of the bearing seat 20 is provided with a bearing end cap 21. By designing the vertical plate 19, the rotation center position can be precisely designed, which is convenient for matching the structure of the worktable 1.

[0020] The semi-circular mounting plate 5 has a baffle 22 at its front end, which mainly serves for protection and aesthetics. The swing bracket 2 needs to be equipped with components such as guide rail 26, motor slide 27, sawing motor 28, saw blade 29, and feed drive cylinder 30.

[0021] Adjustment instructions for the saw head front swing angle adjustment device in this application: In practical applications, to further improve adjustment efficiency and accuracy, an angle sensor and a digital display can be installed on the swing arm 2, which can accurately display the angle of the swing arm 2 in real time.

[0022] When the swing angle needs to be adjusted, the motor 12 is started. The motor 12, reducer 10, drive shaft 13, drive gear 14 and arc rack 8 drive the swing angle seat 2 to rotate. The worker observes and adjusts the swing angle seat 2 to the approximate position of the target swing angle. Then, the handwheel 11 is used to precisely adjust the swing angle of the swing angle seat 2 to achieve the target swing angle.

[0023] The above specific embodiments should not be construed as limiting the scope of protection of this utility model. For those skilled in the art, any alternative improvements or modifications made to the embodiments of this utility model shall fall within the scope of protection of this utility model.

[0024] Any aspects of this utility model not described in detail are known to those skilled in the art.

Claims

1. A saw head front-mounted swing angle adjustment device, comprising a worktable and a swing angle seat, characterized in that, The rear end of the swing arm is rotatably mounted on the worktable via a rotating shaft and bearings, while the front end is rotatably mounted on the worktable via a semi-circular mounting plate, an arc-shaped slide rail, and a support wheel. The semi-circular mounting plate is provided with an arc-shaped rack, and the front end of the worktable is provided with a motor base. The motor base is provided with a reducer, and the input end of the reducer is provided with a handwheel and a motor, while the output end is provided with a drive shaft. The end of the drive shaft is provided with a drive gear that meshes with the arc-shaped rack.

2. The saw head front swing angle adjustment device according to claim 1, characterized in that, The worktable is equipped with a locking cylinder at its rear end, and a locking block is provided on the locking cylinder. The locking block acts on the rear end face of the swing angle seat to lock it.

3. The saw head front swing angle adjustment device according to claim 2, characterized in that, The front end of the swing bracket is provided with an arc-shaped positioning groove, and the corresponding semi-circular mounting plate has an arc-shaped positioning strip.

4. The saw head front swing angle adjustment device according to claim 3, characterized in that, The rear end of the swing seat is provided with a vertical plate, the vertical plate is provided with a rotating shaft, the worktable is provided with a bearing seat, the bearing seat is provided with a bearing for mounting the rotating shaft, and the end of the bearing seat is provided with a bearing end cap.

5. The saw head front swing angle adjustment device according to claim 4, characterized in that, The semi-circular mounting plate has a baffle at its front end.

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