Efficient gear hobbing equipment for worm gear

Abstract

The utility model discloses an efficient worm gear hobbing device which comprises a frame, a hobbing cutter used for hobbing a worm gear is arranged in the frame, and a fixing mechanism used for limiting and fixing the worm gear is arranged on the side, located on the hobbing cutter, of the frame. A machine shell is arranged on the side, located on the hobbing cutter, of the frame, a connecting block is arranged on an opening in one side of the machine shell, and a driving motor for driving the hobbing cutter to rotate is arranged on the connecting block. The fixing mechanism comprises three groups of fixing plates which are annularly and uniformly distributed, and each fixing plate is of an arc-shaped structure. The hydraulic cylinder can drive the hobbing cutter to adjust the left-right position, the fixing mechanism is arranged, three sets of fixing plates position the inner diameter of the worm gear hobbing, worm gears of different sizes can be fixed, movement of the worm gears is limited, and therefore the worm gears are more stable in the machining process, worm gear hobbing positioning is firmer, and the gear machining precision is improved; the transmission is more stable, the use limitation is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of gear hobbing technology, specifically to a high-efficiency gear hobbing equipment for worm gears. Background Technology

[0002] Gear hobbing equipment, also known as gear hobbing machines, is one of the most widely used machine tools in gear processing. Different types of gear hobbing machines can cut spur gears, helical gears, worm gears, sprockets, and more. Currently, gear hobbing machines are widely used in various machinery manufacturing industries, including automobiles, tractors, machine tools, construction machinery, mining machinery, metallurgical machinery, petroleum, instrumentation, and aerospace. Gear hobbing equipment is an indispensable piece of equipment in the gear manufacturing process.

[0003] In the existing technology, worm gear hobbing is a type of gear with a special tooth profile that meshes with a worm. It is a key component of worm gear transmission. Existing worm gear hobbing is in the form of a hollow shaft. Conventional production of worm gear hobbing uses a mandrel to pass through the inner hole for positioning. However, during use, it has been found that the positioning of the worm gear hobbing is not firm and cannot be adapted to the fixing of worm gears of different sizes. This results in low gear machining accuracy, affects the smoothness of transmission, and leads to high limitations in its use.

[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0005] In view of the problems in the related technologies, this utility model proposes a high-efficiency hobbing equipment for worm gears to overcome the above-mentioned technical problems existing in the existing related technologies.

[0006] Therefore, the specific technical solution adopted by this utility model is as follows:

[0007] A high-efficiency hobbing machine for worm gears includes a frame, a hob for hobbing worm gears is provided inside the frame, and a fixing mechanism for limiting and fixing the worm gear is provided on one side of the frame located on the hob.

[0008] The frame has a housing on one side of the hob, and a connecting block is provided on one side of the housing. A drive motor for driving the hob to rotate is provided on the connecting block.

[0009] The fixing mechanism includes three sets of fixing plates evenly distributed in a ring, and the fixing plates have an arc-shaped structure.

[0010] Preferably, the fixing mechanism further includes a fixing plate, the bottom end of which is provided with a vertically arranged screw, a sleeve connected to the fixing plate is movably sleeved on the screw, a connecting seat 1 is sleeved on the bottom end of the sleeve, a matching connecting sleeve is movably connected to the bottom end of the screw, a connecting seat 2 is movably connected to the outer wall of the connecting sleeve, and a movable rod 1 and a movable rod 2, respectively, are arranged around the outer surfaces of the connecting seat 1 and the connecting seat 2, which are adapted to the number of fixing plates.

[0011] Preferably, the first movable rod and the second movable rod are arranged in a cross configuration, and a pivot shaft is provided at the intersection for movable connection.

[0012] Preferably, the other end of the movable rod one is provided with a fixed shaft that is movably connected to the fixed plate, and the other end of the movable rod two is provided with a sliding shaft that is slidably connected to the fixed plate.

[0013] Preferably, the fixing plate is provided with a limiting groove for the sliding shaft to slide, and the top of the fixing plate is provided with a servo motor for driving the screw.

[0014] Preferably, the top of the fixed plate is provided with an electric push rod connected to the frame, and the top of the frame is provided with a guide rod that moves through the fixed plate.

[0015] Preferably, the housing is equipped with a hydraulic cylinder for driving the connecting block to move laterally.

[0016] The beneficial effects of this utility model are as follows: the hydraulic cylinder can drive the hob to adjust its left and right position, and the setting of the fixing mechanism, with three sets of fixing plates to position the inner diameter of the worm gear hobbing, can fix worm gears of different sizes, restrict the movement of the worm gear, thereby making the worm gear more stable during the processing, making the worm gear hobbing more firmly positioned, improving the processing accuracy of the gear, making the transmission more stable, reducing the limitations of use, and improving work efficiency. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in 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.

[0018] Figure 1 This is a structural schematic diagram of a high-efficiency hobbing equipment for worm gears according to an embodiment of the present utility model;

[0019] Figure 2This is a structural schematic diagram of the fixing mechanism in a high-efficiency worm gear hobbing equipment according to an embodiment of the present utility model;

[0020] Figure 3 This is a cross-sectional view of the fixing mechanism in a high-efficiency hobbing equipment for worm gears according to an embodiment of the present utility model;

[0021] Figure 4 This is a side view of the fixed plate in a high-efficiency hobbing equipment for worm gears according to an embodiment of the present utility model.

[0022] In the picture:

[0023] 1. Frame; 2. Hob; 3. Housing; 4. Connecting block; 5. Drive motor; 6. Fixing plate; 7. Fixing disc; 8. Screw; 9. Sleeve; 10. Connecting seat one; 11. Connecting seat two; 12. Movable rod one; 13. Movable rod two; 14. Fixed shaft; 15. Sliding shaft; 16. Limiting groove; 17. Servo motor; 18. Electric push rod; 19. Guide rod; 20. Rotating shaft. Detailed Implementation

[0024] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0025] According to an embodiment of the present invention, a high-efficiency hobbing machine for worm gears is provided.

[0026] Example 1:

[0027] like Figure 1-4 As shown, the high-efficiency hobbing equipment for worm gears according to an embodiment of the present utility model includes a frame 1, a hob 2 for hobbing worm gears is provided in the frame 1, and a fixing mechanism for limiting and fixing the worm gear is provided on one side of the hob 2 in the frame 1.

[0028] The frame 1 is provided with a housing 3 on one side of the hob 2. A connecting block 4 is provided on one side of the housing 3. A drive motor 5 for driving the hob 2 to rotate is provided on the connecting block 4.

[0029] The fixing mechanism includes three sets of fixing plates 6 evenly distributed in a ring, and the fixing plates 6 have an arc-shaped structure.

[0030] Example 2:

[0031] like Figure 1-4As shown, the fixing mechanism also includes a fixing plate 7. The bottom end of the fixing plate 7 is provided with a vertically arranged screw 8. A sleeve 9 connected to the fixing plate 7 is movably sleeved on the screw 8. A connecting seat 10 is sleeved on the bottom end of the sleeve 9. A matching connecting sleeve is movably connected to the bottom end of the screw 8. A connecting seat 21 is movably connected to the outer wall of the connecting sleeve. The outer surfaces of the connecting seat 10 and the connecting seat 21 are respectively surrounded by movable rods 12 and 13, which are adapted to the number of fixing plates 6. The movable rods 12 and 13 are arranged in a cross pattern. A rotating shaft 20 is movably connected at the intersection. The other end of the movable rod 12 is provided with a fixed shaft 14 movably connected to the fixing plate 6. The other end of the movable rod 23 is provided with a sliding shaft 15 slidably connected to the fixing plate 6.

[0032] Example 3:

[0033] like Figure 1-4 As shown, the fixed plate 6 is provided with a limiting groove 16 for the sliding shaft 15 to slide, the top of the fixed plate 7 is provided with a servo motor 17 for driving the screw 8, the top of the fixed plate 7 is provided with an electric push rod 18 connected to the frame 1, the top of the frame 1 is provided with a guide rod 19 that moves through the fixed plate 7, and the housing 3 is provided with a hydraulic cylinder for driving the connecting block 4 to move laterally.

[0034] To facilitate understanding of the above-mentioned technical solutions of this utility model, the working principle or operation method of this utility model in actual process will be described in detail below.

[0035] In practical applications, the servo motor 17 drives the screw 8 to rotate. During the rotation of the screw 8, the connecting sleeve moves upward, and the connecting sleeve moves the connecting seat 11 upward synchronously. During the upward movement, the movable rod 12 is pushed. The movable rod 12 and the movable rod 13 move in a cross motion with the rotating shaft 20 as the axis, so that the other ends of the movable rod 12 and the movable rod 13 press against the fixed plate 6. The sliding shaft 15 slides in the limiting slide groove 16. The three sets of fixed plates 6 move synchronously in opposite directions, positioning the inner diameter of the worm gear hobbing gear, which can realize the fixing of worm gears of different sizes.

[0036] In summary, with the help of the above-mentioned technical solution of this utility model, the hydraulic cylinder can drive the hobbing cutter 2 to adjust its left and right position. The setting of the fixing mechanism, with three sets of fixing plates 6 positioning the inner diameter of the worm gear hobbing, can fix worm gears of different sizes, restrict the movement of the worm gear, thereby making the worm gear more stable during the processing, making the worm gear hobbing positioning more secure, improving the processing accuracy of the gear, making the transmission more stable, reducing the limitations of use, and improving work efficiency.

[0037] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A worm gear high efficiency gear hobbing apparatus characterized by, The application relates to a worm gear hobbing frame, which comprises a frame (1) provided with a hobbing cutter (2) for hobbing a worm gear, and a fixing mechanism for limiting and fixing the worm gear on one side of the frame (1); The frame (1) is provided with a machine shell (3) on one side of the hobbing cutter (2), and the machine shell (3) is provided with a connecting block (4) on one side; the connecting block (4) is provided with a driving motor (5) for driving the hobbing cutter (2) to rotate. The fixing mechanism comprises three groups of annularly and uniformly distributed fixing plates (6), which are in arc-shaped structures.

2. A worm hobbing machine according to claim 1, wherein The fixing mechanism further comprises a fixing disc (7), the bottom end of the fixing disc (7) is provided with a vertically arranged screw rod (8), the screw rod (8) is movably sleeved with a sleeve (9) connected with the fixing disc (7), the bottom end of the sleeve (9) is sleeved with a connecting seat one (10), the bottom end of the screw rod (8) is movably connected with a connecting sleeve matched with the screw rod (8), the outer wall of the connecting sleeve is movably connected with a connecting seat two (11), the outer surfaces of the connecting seat one (10) and the connecting seat two (11) are respectively and uniformly surrounded with a movable rod one (12) and a movable rod two (13) matched with the number of the fixing plates (6).

3. A worm hobbing machine according to claim 2, wherein, The movable rod one (12) and the movable rod two (13) are cross-connected, and the cross-connection is provided with a movably connected rotating shaft (20).

4. A high efficiency gear hobbing apparatus for worm gears as defined in claim 3 wherein, The other end of the movable rod one (12) is provided with a fixing shaft (14) movably connected with the fixing plate (6), and the other end of the movable rod two (13) is provided with a sliding shaft (15) slidably connected with the fixing plate (6).

5. A worm hobbing machine according to claim 4, wherein, The fixing plate (6) is provided with a limiting sliding groove (16) for the sliding of the sliding shaft (15), and the top of the fixing disc (7) is provided with a servo motor (17) for driving the screw rod (8).

6. A worm hobbing machine according to claim 5, wherein, The top of the fixing disc (7) is provided with an electric push rod (18) connected with the frame (1), and the top of the frame (1) is provided with a guide rod (19) movably penetrating through the fixing disc (7).

7. A worm hobbing machine according to claim 1, wherein The machine shell (3) is provided with a hydraulic cylinder for driving the connecting block (4) to move transversely.

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