Gear hobbing mechanism of gear hobbing machine
By designing auxiliary parts and limiting parts in the gear hobbing machine, auxiliary positioning and fixing of the positioning equipment is solved, and hand-held problems and operation problems during tool replacement and installation are achieved, and the convenience of stable disassembly and replacement of the positioning equipment is achieved. .
Patent Information
- Application Number
- CN202323500208.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-21
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2033-12-21
AI Technical Summary
In the gear hobbing machine, the hand cannot be held steadily during tool replacement and installation, the positioning equipment is prone to falling, and the first-hand operation bolts are difficult to install, resulting in difficulties for the staff.
A gear hobbing mechanism including a gear hobbing table, a mount groove, an auxiliary part and a limiting part is designed. Through the cooperation of the auxiliary part and the limiting part, auxiliary positioning and fixing of the positioning equipment is provided, reducing the difficulty of replacement, and Through the design of rotating rods and connecting blocks, the movement and locking of the positioning plate and the mounting plate are facilitated, ensuring the stability of the positioning device during disassembly and assembly.
Effectively prevent positioning equipment from falling off during disassembly and assembly, and reduces the difficulty of staff when replacing tools, making the replacement and installation process more stable and convenient.
Smart Images

Figure CN222134261U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gear processing equipment, in particular to a gear hobbing mechanism of a gear hobbing machine. Background Art
[0002] Gear hobbing machine is the most widely used type of gear processing machine tool. It can cut spur and helical cylindrical gears, and can also process worm wheels, sprockets, etc. Gear processing machine tools that use hobs to process spur, helical and herringbone cylindrical gears and worm wheels according to the development method.
[0003] When the gear hobbing machine is processing the gear, the gear surface can be cut by the rotation of the hob at the gear hobbing mechanism, so that the gear surface is cut into a tooth shape.
[0004] At present, after a gear hobbing machine has been used for a long time, the tool will have a certain degree of wear or damage, and the tool needs to be replaced. When replacing the tool, the positioning device on one side of the tool needs to be removed first, and then the tool is removed and replaced. After the tool is replaced and the positioning device is installed, it is necessary to hold the positioning device with one hand and install the bolts on the positioning device with the other hand, so as to install the positioning device on the gear hobbing machine. During the installation process, it is easy to hold the positioning device unstable, so that the positioning device is easy to fall to the ground without being held stable, and when the positioning device is bolted, it is difficult to operate with one hand to bolt, which makes the tool replacement and installation process more difficult for the staff. Utility Model Content
[0005] The purpose of the utility model is to solve the problems mentioned in the above-mentioned background technology that when the staff replace and install the cutting tool, it is easy for the hands to become unstable during the installation process, so that the positioning device is easy to fall to the ground, and when the positioning device is bolted and installed, it is difficult to operate with one hand to bolt, which makes the replacement and installation process of the cutting tool more difficult for the staff.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A gear hobbing mechanism of a gear hobbing machine, comprising a gear hobbing table, on which a positioning device for fixing a gear hobbing cutter is provided:
[0008] A placement groove is provided on the gear hobbing table and is located on a side close to the positioning device;
[0009] An auxiliary part, which is installed in the placement groove and is located outside the positioning device to assist in positioning the positioning device;
[0010] The limiting component is installed on the gear hobbing table and is located in the auxiliary component to limit its movement.
[0011] Preferably, the auxiliary component also includes:
[0012] Positioning plate, the upper and lower ends of the positioning plate are respectively connected with connecting plates, the inner sides of the two connecting plates are provided with moving plates, and the side surfaces of the two moving plates are provided with mounting plates, the positioning device can be assisted in positioning by the positioning plate, reducing the difficulty of the staff in changing the tool;
[0013] There are two mounting parts, which are respectively arranged on two mounting plates, and the mounting plates can be locked and fixed by the mounting parts.
[0014] Preferably, the mounting member further comprises:
[0015] A connecting block, a rotating block is connected to the outside of the connecting block, a rotating rod is provided on the side of the connecting block away from the rotating block, the rotating rod is connected to the gear hobbing table in the placement groove, the connecting block can be rotated by the rotating rod, and the mounting plate can be locked by rotating the connecting block to a vertical state, thereby fixing the auxiliary part.
[0016] Preferably, a movable groove and a connecting groove are provided in the placement groove, the rotating rod is located in the connecting groove and is rotatably connected to the gear hobbing table, the movable plate is movably located in the movable groove, and the mounting plate is movably located in the placement groove. The movable plate can move in the movable groove, and the positioning plate can be moved outward when needed, so as to facilitate the disassembly and assembly of the positioning device.
[0017] Preferably, a mounting hole is provided on the mounting plate, the rotating rod is located in the mounting hole and passes through the mounting hole to be connected to the connecting groove, the connecting block is located outside the mounting plate, and the mounting plate can pass through the connecting block back and forth through the mounting hole.
[0018] Preferably, the limiting member further comprises:
[0019] A fixing plate, the fixing plate being fixedly mounted on the gear hobbing table by bolts;
[0020] A limiting rod is connected to the outer side of the fixed plate, the limiting rod faces the auxiliary component and is located in the movable plate, and the movement of the movable plate is limited by the limiting rod.
[0021] Preferably, a limiting hole is provided on the movable plate, and the limiting rod is located in the limiting hole to limit the movement of the movable plate. By limiting the movable plate, it is possible to prevent the movable plate from being completely moved out of the movable groove.
[0022] Preferably, the inner surface shape of the positioning plate is the same as the outer surface shape of the positioning device, and the inner side of the positioning plate and the outer side of the positioning device can fully fit together. By fully fitting the inner side of the positioning plate and the outer side of the positioning device together, the stability of the positioning plate when positioning the positioning device can be effectively improved.
[0023] Preferably, the connection plate is provided with bolt grooves for facilitating the disassembly, assembly and rotation of the bolts, and the bolt grooves prevent the connection plate from blocking the bolts on the positioning device.
[0024] Compared with the prior art, the utility model has the following beneficial effects:
[0025] The auxiliary parts provided in the utility model can support the positioning device when the positioning device is disassembled or installed, so that the positioning device can be assisted by the staff to hold the positioning device when the positioning device is disassembled and assembled, thereby preventing the positioning device from falling to the ground due to lack of steady support during disassembly and assembly, and can effectively reduce the difficulty of the staff in replacing the tool. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0027] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0028] Figure 2 This is a view of the auxiliary part and the gear hobbing table being separated from each other in the utility model;
[0029] Figure 3 For the utility model Figure 2 Enlarged view at A in the middle;
[0030] Figure 4 This is a structural view of the auxiliary parts of the utility model;
[0031] Figure 5 This is a structural view of the position limiting member of the utility model;
[0032] Figure 6 This is a structural view of the mounting piece of the utility model.
[0033] Explanation of the figure numbers: 1. Gear hobbing table; 11. Mounting groove; 12. Moving groove; 13. Connecting groove; 2. Positioning device; 3. Auxiliary parts; 31. Connecting plate; 32. Positioning plate; 33. Moving plate; 34. Mounting plate; 35. Mounting hole; 36. Bolt groove; 37. Limiting hole; 38. Mounting part; 381. Connecting block; 382. Rotating block; 383. Rotating rod; 4. Limiting part; 41. Fixed plate; 42. Limiting rod. DETAILED DESCRIPTION
[0034] The utility model is described in further detail below in conjunction with the accompanying drawings.
[0035] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be used for other implementation schemes, variations, improvements, equivalent schemes, and other technical solutions that do not deviate from the spirit and scope of the utility model.
[0036] Those skilled in the art should understand that, in the disclosure of the present invention, the directions or positions indicated by the terms "longitudinal", "lateral", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the directions or positional relationships shown in the accompanying drawings, which are only simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or component referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the above terms should not be understood as limitations on the present invention.
[0037] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity. Example
[0038] Please refer to Figure 1-Figure 6 , a gear hobbing mechanism of a gear hobbing machine, comprising a gear hobbing table 1, on which a positioning device 2 for fixing a gear hobbing cutter is provided;
[0039] A placement groove 11 is provided on the gear hobbing table 1 and is located on a side close to the positioning device 2;
[0040] The auxiliary member 3 is installed in the placement groove 11 and is located outside the positioning device 2 to assist in positioning the positioning device 2;
[0041] The limiting member 4 is installed on the gear hobbing table 1 and is located in the auxiliary member 3 to limit its movement.
[0042] Auxiliary part 3 also includes:
[0043] A positioning plate 32, the upper and lower ends of the positioning plate 32 are respectively connected to connecting plates 31, the inner sides of the two connecting plates 31 are provided with moving plates 33, and the side surfaces of the two moving plates 33 are provided with mounting plates 34, and the positioning device 2 can be assisted in positioning by the positioning plate 32, which reduces the difficulty of the staff in changing the tool;
[0044] There are two mounting members 38 , which are respectively arranged on two mounting plates 34 . The mounting plates 34 can be locked and fixed by the mounting members 38 .
[0045] The mounting member 38 also includes:
[0046] A connecting block 381 is provided with a rotating block 382 on the outside of the connecting block 381. A rotating rod 383 is provided on the side of the connecting block 381 away from the rotating block 382. The rotating rod 383 is located in the mounting groove 11 and is connected to the gear hobbing table 1. The connecting block 381 can be rotated by the rotating rod 383. By rotating the connecting block 381 to a vertical state, the mounting plate 34 can be locked, thereby fixing the auxiliary component 3.
[0047] A movable groove 12 and a connecting groove 13 are provided in the placement groove 11, the rotating rod 383 is located in the connecting groove 13 and is rotatably connected to the gear hobbing table 1, the movable plate 33 is movably located in the movable groove 12, and the mounting plate 34 is movably located in the placement groove 11. The movable plate 33 can move in the movable groove 12, and the positioning plate 32 can be moved outward when needed, so as to facilitate the disassembly and assembly of the positioning device 2.
[0048] A mounting hole 35 is provided on the mounting plate 34 , and the rotating rod 383 is located in the mounting hole 35 and is connected to the connecting groove 13 through the mounting hole 35 . The connecting block 381 is located outside the mounting plate 34 , and the mounting plate 34 can pass through the connecting block 381 back and forth through the mounting hole 35 .
[0049] The limiting member 4 also includes:
[0050] A fixing plate 41, the fixing plate 41 is fixed on the gear hobbing table 1 by bolts;
[0051] The limiting rod 42 is connected to the outer side of the fixing plate 41 , and the limiting rod 42 faces the auxiliary component 3 and is located in the moving plate 33 . The movement of the moving plate 33 is limited by the limiting rod 42 .
[0052] The movable plate 33 is provided with a limiting hole 37 , and the limiting rod 42 is located in the limiting hole 37 to limit the movement of the movable plate 33 . By limiting the movable plate 33 , it is possible to prevent the movable plate 33 from being completely moved out of the movable groove 12 .
[0053] The inner surface shape of the positioning plate 32 is the same as the outer surface shape of the positioning device 2. The inner side of the positioning plate 32 and the outer side of the positioning device 2 can fully fit together. By fully fitting the inner side of the positioning plate 32 and the outer side of the positioning device 2 together, the stability of the positioning plate 32 when positioning the positioning device 2 can be effectively improved.
[0054] The connecting plate 31 is provided with a bolt groove 36 for facilitating the disassembly and assembly of the bolts. The bolt groove 36 prevents the connecting plate 31 from blocking the bolts on the positioning device 2 .
[0055] When the utility model is in use, when it is necessary to replace the tool, all the bolts used for installation on the positioning device 2 are removed, and then the rotating block 382 is rotated, and the rotating block 382 drives the connecting block 381 to rotate, so that the connecting block 381 and the mounting hole 35 are in the same horizontal direction, and the positioning device 2 is held with one hand, and the positioning plate 32 is pulled outward with the other hand, and the mounting plate 34 can pass through the mounting member 38 through the mounting hole 35 and move out of the mounting groove 11, so that the positioning plate 32 can be pulled outward by an appropriate part, and then the positioning device 2 with the bolts removed can be moved to the side away from the tool, so that the positioning rod device can be removed from the gear hobbing table 1, and then the tool is removed from the end of the positioning device 2 removed for replacement;
[0056] After replacing the tool, place the positioning device 2 on the gear hobbing table 1. After the positioning device 2 holds the tool, push the positioning plate 32 toward the positioning device 2 so that the positioning plate 32 contacts the positioning device 2. The mounting plate 34 moves again to be placed in the groove 11, and the connecting block 381 passes through the mounting hole 35 and is located on the outside of the mounting plate 34. Then, the rotating block 382 is rotated to drive the connecting block 381 to rotate, so that the connecting block 381 rotates into a vertical state, thereby locking the auxiliary component 3 as a whole. The positioning device 2 can be supported by the positioning plate 32 for auxiliary positioning, which is convenient for the staff to directly bolt the positioning device 2, and can prevent the positioning device 2 from falling due to lack of support during disassembly and assembly, and effectively reduces the difficulty of the staff in replacing the tool.
[0057] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments. Without departing from the principles, the embodiments of the present invention may be deformed or modified in any way.
Claims
1. A gear hobbing mechanism of a gear hobbing machine, comprising a gear hobbing table (1), wherein a positioning device (2) for fixing a gear hobbing cutter is provided on the gear hobbing table (1). Features: A placement groove (11) is provided on the gear hobbing table (1) and is located on a side close to the positioning device (2); An auxiliary component (3) installed in the placement groove (11) and located outside the positioning device (2) to assist in positioning the positioning device; A limiting member (4) is mounted on the gear hobbing table (1) and is located in the auxiliary member (3) to limit its movement.
2. A gear hobbing mechanism of a gear hobbing machine according to claim 1, Features: The auxiliary component (3) further comprises: A positioning plate (32), wherein the upper and lower ends of the positioning plate (32) are respectively connected to connecting plates (31), a movable plate (33) is provided on the inner sides of the two connecting plates (31), and a mounting plate (34) is provided on the side surfaces of the two movable plates (33), and the positioning device (2) can be assisted in positioning by the positioning plate (32); Two mounting parts (38) are provided, and the two mounting parts (38) are respectively arranged on two mounting plates (34).
3. The gear hobbing mechanism of a gear hobbing machine according to claim 2, Features: The mounting member (38) further comprises: A connecting block (381) is connected to a rotating block (382) on its outer side, a rotating rod (383) is provided on the side of the connecting block (381) away from the rotating block (382), the rotating rod (383) is located in the placement groove (11) and connected to the gear hobbing table (1), and the connecting block (381) can be rotated by the rotating rod (383).
4. A gear hobbing mechanism of a gear hobbing machine according to claim 3, Features: The placement groove (11) is provided with a moving groove (12) and a connecting groove (13); the rotating rod (383) is located in the connecting groove (13) and is rotatably connected to the gear hobbing table (1); the moving plate (33) is movably located in the moving groove (12); and the mounting plate (34) is movably located in the placement groove (11).
5. The gear hobbing mechanism of a gear hobbing machine according to claim 4, Features: The mounting plate (34) is provided with a mounting hole (35), the rotating rod (383) is located in the mounting hole (35), passes through the mounting hole (35) and is connected to the connecting groove (13), and the connecting block (381) is located outside the mounting plate (34).
6. The gear hobbing mechanism of a gear hobbing machine according to claim 5, Features: The limiting member (4) further comprises: A fixing plate (41), wherein the fixing plate (41) is fixedly mounted on the gear hobbing table (1) by means of bolts; A limiting rod (42), wherein the limiting rod (42) is connected to the outside of the fixed plate (41), and the limiting rod (42) faces the auxiliary component (3) and is located in the movable plate (33).
7. The gear hobbing mechanism of a gear hobbing machine according to claim 6, Features: The movable plate (33) is provided with a limiting hole (37), and the limiting rod (42) is located in the limiting hole (37) so as to limit the movement of the movable plate (33).
8. The gear hobbing mechanism of a gear hobbing machine according to claim 7, Features: The shape of the inner surface of the positioning plate (32) is the same as the shape of the outer surface of the positioning device (2), and the inner side of the positioning plate (32) and the outer side of the positioning device (2) can fully fit together.
9. The gear hobbing mechanism of a gear hobbing machine according to claim 8, Features: The connecting plate (31) is provided with a bolt groove (36) for facilitating the assembly and disassembly of the bolts.
