Special change gear for milling machine

Abstract

The utility model discloses a special change gear for a milling machine, which comprises a bracket, four rotating holes in the bracket, rotating rods rotatably connected in the four rotating holes, a first gear, a second gear, a third gear and a fourth gear fixedly connected to the outer sides of the four rotating rods, and a baffle fixedly connected to the left side of the bracket on the outer sides of the rotating rods. The left side of the baffle is fixedly connected with a fixing block, the right side of the first gear is correspondingly provided with a fixing groove, the fixing block is connected with the fixing groove in an inserted mode, the baffle is fixedly connected with the rotating rod through the baffle, the fixing block and the fixing groove, and the fixing block on the baffle is connected with the fixing groove in the right side of the first gear in an inserted mode. By arranging the telescopic spring, the telescopic spring pushes the conical clamping block to move towards the two sides, the conical clamping block and the clamping plate are attached and fixed, the gear can be conveniently mounted and dismounted, operation is easy, use is convenient, and popularization is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of special hanging wheels for milling machines, in particular to a special hanging wheel for milling machines. Background Art

[0002] When milling splines, spur gears, gears, bevel gears, reamers, and similar parts, a dividing head is often used. The dividing head requires power input, and the power is transmitted between the dividing head and the milling machine by a hanging wheel.

[0003] The prior art CN203566001U discloses a special hanging wheel for milling machines, comprising a first speed gear, an intermediate wheel, a second speed gear, a final gear, and a bracket; the pinion of the first speed gear meshes with the intermediate wheel; the intermediate wheel meshes with the large gear of the second speed gear; the pinion of the second speed gear meshes with the final gear; a keyway is provided at the center of the final gear; the first speed gear, the intermediate wheel, and the second speed gear are all mounted on the bracket by positioning bolts; the bracket is rectangular, and a bolt pre-tightening device is provided at the end away from the first speed gear. An intermediate wheel is used in the hanging wheel structure to ensure the accurate rotation direction of the helical gear. The installation directions of the first speed gear and the second speed gear are opposite, making the structure compact. A gasket is provided between the gear and the bolt to ensure that the center hole of the gear is not easily worn.

[0004] However, the disadvantage of the above technical solution is that the above device is not convenient for disassembling the hanging wheel, and specific tools are required for installation and disassembly, which is inconvenient to use. Therefore, it is necessary to design a special hanging wheel for milling machines that is easy to install and disassemble and has strong practicality. Summary of the invention

[0005] The utility model aims to provide a special hanging wheel for milling machine to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a special hanging wheel for a milling machine, comprising a bracket, four rotating holes of the bracket, a rotating rod rotatably connected in the four rotating holes, a first gear, a second gear, a third gear and a fourth gear fixedly connected on the outer sides of the four rotating rods, a baffle is fixedly connected on the left side of the outer side of the rotating rod, a fixed block is fixedly connected on the left side of the baffle, a fixed groove is correspondingly opened on the right side of the first gear, the fixed block is plugged into the fixed groove, a first notch is symmetrically opened in the upper and lower parts of the rotating rod, a telescopic spring is fixedly connected in the first notch, and a conical clamping block is fixedly connected to the other end of the telescopic spring.

[0007] According to the above technical solution, the limiting blocks are symmetrically fixedly connected on both sides of the conical clamping block, and limiting grooves are symmetrically opened on both sides of the first notch, and the limiting blocks are slidably connected in the limiting grooves.

[0008] According to the above technical solution, a first pinion is fixedly connected to one side of the first gear, the first pinion is meshed with the second gear, and the second gear is meshed with the third gear.

[0009] According to the above technical solution, a compression spring is installed on the left side of the first pinion, and the other end of the compression spring is fixedly connected to a clamping plate.

[0010] According to the above technical solution, a second pinion is fixedly connected to one side of the third gear, and the second pinion is meshed with the fourth gear.

[0011] According to the above technical solution, the four rotating rods have the same structure.

[0012] Compared with the prior art, the beneficial effects achieved by the utility model are as follows: the utility model, the device is fixedly connected to the rotating rod through the baffle, the fixing block and the fixing slot, and the fixing block on the baffle is plugged into the fixing slot on the right side of the first gear, so that the rotating rod and the first gear can be ensured to rotate synchronously. By providing a telescopic spring, the telescopic spring pushes the conical clamping block to move to both sides, so that the conical clamping block is fitted and fixed with the clamping plate. An extrusion spring is fixedly connected to the right side of the clamping plate to prevent the clamping plate from fitting loosely with the first pinion, thereby causing the rotating rod and the first gear, the second gear, the third gear and the fourth gear to rotate asynchronously. The port of the conical clamping block is a conical end. During installation, it is only necessary to push the gear toward the rotating rod, and the conical clamping block automatically moves in the direction of the telescopic spring, which is convenient for installation. During disassembly, the conical clamping block can be directly pressed inward, and the clamping plate can automatically slide out, and the gear can also be disassembled. The device is convenient for installation and disassembly of the gear, simple to operate, easy to use, and conducive to promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall front cross-sectional structure of the utility model;

[0016] Figure 3 The utility model Figure 2 Sectional view at AA in the figure;

[0017] Figure 4 The utility model Figure 3 A in the enlarged view;

[0018] In the figure: 1, bracket, 2, rotating hole, 3, rotating rod, 4, first gear, 5, second gear, 6, third gear, 7, fourth gear, 8, baffle, 9, fixing block, 10, fixing groove, 11, first notch, 12, telescopic spring, 13, conical clamping block, 14, limiting block, 15, limiting groove, 16, first pinion, 17, extrusion spring, 18, clamping plate, 19, second pinion. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides a technical solution: a special hanging wheel for a milling machine, comprising a bracket 1, four rotating holes 2 of the bracket 1, a rotating rod 3 rotatably connected in the four rotating holes 2, a first gear 4, a second gear 5, a third gear 6 and a fourth gear 7 fixedly connected to the outside of the four rotating rods 3, a baffle 8 fixedly connected to the left side of the bracket 1 on the outside of the rotating rod 3, a fixed block 9 fixedly connected to the left side of the baffle 8, a fixed groove 10 correspondingly opened on the right side of the first gear 4, the fixed block 9 is plugged into the fixed groove 10, a first notch 11 symmetrically opened in the upper and lower parts of the rotating rod 3, a telescopic spring 12 fixedly connected in the first notch 11, and a conical clamping block 13 fixedly connected to the other end of the telescopic spring 12;

[0021] according to Figure 4 As shown, the two sides of the conical block 13 are symmetrically fixedly connected with the limiting blocks 14, and the two sides of the first notch 11 are symmetrically provided with limiting grooves 15, and the limiting blocks 14 are slidably connected in the limiting grooves 15. By providing the limiting blocks 14 and the limiting grooves 15, the conical block 13 is limited.

[0022] according to Figure 2 As shown, a first pinion 16 is fixedly connected to one side of the first gear 4, the first pinion 16 is meshed with the second gear 5, and the second gear 5 is meshed with the third gear 6;

[0023] according to Figure 4 As shown, a compression spring 17 is installed on the left side of the first pinion 16, and a clamping plate 18 is fixedly connected to the other end of the compression spring 17;

[0024] according to Figure 2 As shown, a second pinion 19 is fixedly connected to one side of the third gear 6, and the second pinion 19 is meshed with the fourth gear 7;

[0025] according to Figure 2 As shown, the structures of the four rotating rods 3 are the same. The device is fixedly connected to the rotating rod 3 through a baffle 8, a fixing block 9 and a fixing groove 10. The baffle 8 is fixedly connected to the rotating rod 3. The fixing block 9 on the baffle 8 is plugged into the fixing groove 10 on the right side of the first gear 4, so that the rotating rod 3 and the first gear 4 can be ensured to rotate synchronously. A telescopic spring 12 is provided, and the telescopic spring 12 pushes the conical clamping block 13 to move to both sides, so that the conical clamping block 13 is fitted and fixed with the clamping plate 18. An extrusion spring 17 is fixedly connected to the right side of the clamping plate 18 to prevent the clamping plate 18 from fitting loosely with the first pinion 16, thereby causing the rotating rod 3 and the first gear 4, the second gear 5, the third gear 6 and the fourth gear 7 to rotate asynchronously. The port of the conical clamping block 13 is a conical end. When installing, it is only necessary to push the gear toward the rotating rod 3, and the conical clamping block 13 automatically moves in the direction of the telescopic spring 12, which is convenient for installation. When disassembling, the conical clamping block 13 can be directly pressed inward, and the clamping plate 18 can automatically slide out, and the gear can also be disassembled.

[0026] When using the utility model, the port of the conical block 13 is a conical end. When installing, you only need to push the gear toward the rotating rod 3, and the conical block 13 automatically moves in the direction of the telescopic spring 12, which is convenient for installation. When disassembling, you can directly press the conical block 13 inward, and the card plate 18 can automatically slide out, and the gear can also be disassembled. The baffle 8 is fixedly connected to the rotating rod 3 through the baffle 8, the fixing block 9 and the fixing groove 10. The fixing block 9 on the baffle 8 is plugged into the fixing groove 10 on the right side of the first gear 4, which can ensure that the rotating rod 3 and the first gear 4 rotate synchronously. By providing a telescopic spring 12, the telescopic spring 12 pushes the conical block 13 to move to both sides, so that the conical block 13 and the card plate 18 is fitted and fixed, and an extrusion spring 17 is fixedly connected to the right side of the card plate 18 to prevent the card plate 18 from fitting loosely with the first pinion 16, thereby causing the rotating rod 3 and the first gear 4, the second gear 5, the third gear 6 and the fourth gear 7 to rotate asynchronously. In this device, the first gear 4 drives the first pinion 16 to rotate, the first pinion 16 drives the second gear 5 to rotate, the second gear 5 drives the third gear 6 and the second pinion 19 to rotate, and the second pinion 19 drives the fourth gear 7 to rotate. The components of this device are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used 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. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A special hanging wheel for a milling machine, comprising a bracket (1), characterized in that: The bracket (1) has four rotating holes (2), and the four rotating holes (2) are rotatably connected with a rotating rod (3). The outer sides of the four rotating rods (3) are fixedly connected with a first gear (4), a second gear (5), a third gear (6) and a fourth gear (7). The left side of the bracket (1) outside the rotating rod (3) is fixedly connected with a baffle (8), and the left side of the baffle (8) is fixedly connected with a fixing block (9). The right side of the first gear (4) is correspondingly provided with a fixing groove (10), and the fixing block (9) is plugged into the fixing groove (10). The rotating rod (3) is symmetrically provided with a first notch (11) in the upper and lower parts, and a telescopic spring (12) is fixedly connected in the first notch (11), and the other end of the telescopic spring (12) is fixedly connected with a conical clamping block (13).

2. The special hanging wheel for milling machine according to claim 1, characterized in that: The two sides of the conical clamping block (13) are symmetrically fixedly connected with the limiting blocks (14), and the two sides of the first notch (11) are symmetrically provided with limiting grooves (15), and the limiting blocks (14) are slidably connected in the limiting grooves (15).

3. The special hanging wheel for milling machine according to claim 2, characterized in that: A first pinion gear (16) is fixedly connected to one side of the first gear (4); the first pinion gear (16) and the second gear (5) are meshed with each other; and the second gear (5) and the third gear (6) are meshed with each other.

4. The special hanging wheel for milling machine according to claim 3, characterized in that: A pressing spring (17) is installed on the left side of the first pinion (16), and a clamping plate (18) is fixedly connected to the other end of the pressing spring (17).

5. The special hanging wheel for milling machine according to claim 4, characterized in that: A second pinion gear (19) is fixedly connected to one side of the third gear (6), and the second pinion gear (19) is meshed with the fourth gear (7).

6. The special hanging wheel for milling machine according to claim 5, characterized in that: The four rotating rods (3) have the same structure.

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