Hob clamping device for gear machining

Abstract

The utility model relates to the field of industrial production, in particular to a hob clamping device for gear machining, which comprises a machine table, a driving motor for driving a hob to rotate is mounted on the machine table, a mounting plate is fixedly connected to the machine table, a bottom plate is fixedly connected to the mounting plate, a clamping plate is slidably connected to the mounting plate, and a through hole is formed in the clamping plate. A movable plate used for pushing a hob to be clamped is arranged between the clamping plate and the bottom plate, the rear portion of the movable plate is slidably connected to the mounting plate, a spring is arranged between the movable plate and the clamping plate, a fixing frame is fixedly connected to the bottom plate, a screw is rotationally connected to the fixing frame, the screw is in threaded connection with the front end of the movable plate, and the screw penetrates through the bottom plate to be slidably connected with the bottom plate. The height is adjusted by rotating the screw rod, the moving plate slides up and down, the position is fixed by increasing friction force through the spring, installation, alignment and clamping of the hob are rapidly completed, and compared with a traditional multi-screw fixing mode, the time for replacing the hob is greatly shortened, and the working efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of industrial production, and in particular to a hobbing cutter clamping device for gear machining. Background Technology

[0002] Gear machining is a crucial step in mechanical manufacturing. Its core lies in precisely cutting or grinding metal materials to form gear structures that meet transmission requirements. This process is widely used in various important fields such as the manufacturing of mechanical equipment and transportation. In the gear machining process, the hob is a key tool, and the stability and convenience of its clamping device directly affect the machining efficiency and accuracy. However, the hob clamping devices used in existing medium and large gear machining equipment generally use multiple screws for fixing. Although this design ensures the stability of the hob to a certain extent, in actual operation, especially when the hob needs to be replaced, the tightening and loosening of the screws is particularly cumbersome due to the limited operating space. This not only increases the difficulty of operation but also reduces work efficiency. Utility Model Content

[0003] In order to overcome the cumbersome operation of changing hobs in the existing technology, the technical problem to be solved is to provide a hob clamping device for gear machining that allows for quick hob replacement.

[0004] The technical solution is as follows: A hob clamping device for gear machining includes a machine base, a drive motor for driving the hob to rotate is mounted on the machine base, a mounting plate is fixedly connected to the machine base, a base plate is fixedly connected to the mounting plate, a clamping plate for aligning the hob with the drive motor is slidably connected to the mounting plate, a through hole for mounting the hob is provided on the clamping plate, a movable plate for pushing and clamping the hob is provided between the clamping plate and the base plate, the rear part of the movable plate is slidably connected to the mounting plate, a spring is provided between the movable plate and the clamping plate, one end of the spring is fixedly connected to the clamping plate, the other end of the spring is fixedly connected to the movable plate, a fixed frame is fixedly connected to the base plate, a screw is rotatably connected to the fixed frame, the screw is threadedly connected to the front end of the movable plate, the screw passes through the base plate and is slidably connected to it, the screw is used to control the height of the movable plate, and the spring is used to increase the friction between the screw and the movable plate.

[0005] As a further preferred embodiment, a rotating assembly is also included, which includes a connecting rod. The bottom of the screw is fixedly connected to the connecting rod, and the bottom of the connecting rod is slidably connected to an operating rod for manually rotating the screw. The operating rod is cross-shaped, and both ends of the operating rod are fixedly connected to limit ball joints.

[0006] As a further preferred embodiment, a protective sleeve is also included, wherein the screw is covered with a protective sleeve for protecting the screw.

[0007] As a further preferred embodiment, a rubber sleeve is also included, wherein a protective rubber sleeve for the roller is fixedly connected inside the through hole of the clamping plate.

[0008] As a further preferred embodiment, an identification card is also included, with an identification card fixedly connected to the operating lever to indicate the direction of screw rotation.

[0009] As a further preferred embodiment, an anti-slip pad is also included, with the control lever fixedly connected to an anti-slip pad for hand grip.

[0010] This utility model has the following advantages: 1. By rotating the screw, the height can be adjusted by sliding the moving plate up and down. The position can be fixed by increasing the friction force of the spring. The installation, alignment and clamping of the hob can be completed quickly. Compared with the traditional multi-screw fixing method, the time for changing the hob is greatly shortened and the work efficiency is improved.

[0011] 2. The cross-shaped control lever facilitates manual operation, and the limiting ball heads at both ends of the control lever prevent the control lever from detaching from the connecting rod, allowing the operator to easily grasp and rotate the control lever by hand without the need for additional tools, which greatly improves the convenience of operation and reduces the difficulty of operation.

[0012] 3. By covering the outside of the screw with a protective sleeve, the screw is effectively protected from the influence of the external environment, thus extending its service life. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0014] Figure 2 This is a three-dimensional structural diagram of the mounting plate, clamping plate, and screw of this utility model.

[0015] Figure 3 This is a three-dimensional structural diagram of the connecting rod, operating rod, and guide rod of this utility model.

[0016] The components are: 1-Machine base, 2-Drive motor, 3-Mounting plate, 4-Base plate, 5-Moving plate, 6-Clamping plate, 7-Spring, 8-Fixing frame, 9-Screw, 10-Rotating assembly, 101-Connecting rod, 102-Operating rod, 103-Limiting ball, 11-Protective sleeve, 12-Rubber sleeve, 13-Identification card, 14-Anti-slip mat. Detailed Implementation

[0017] The present invention will be further described below with reference to specific embodiments. It should also be noted that, unless otherwise explicitly specified and limited, terms such as "setting," "installing," "connecting," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the present invention based on the specific circumstances.

[0018] Example: A hob clamping device for gear machining, such as Figure 1-3 As shown, the machine includes a machine base 1, a drive motor 2, a mounting plate 3, a base plate 4, a movable plate 5, a clamping plate 6, a spring 7, a fixing frame 8, and a screw 9. The machine base 1 is equipped with the drive motor 2 for driving the hob to rotate. The mounting plate 3 is fixedly connected to the machine base 1, and the base plate 4 is fixedly connected to the mounting plate 3. The clamping plate 6, used for aligning the hob with the drive motor 2, is slidably connected to the mounting plate 3. The clamping plate 6 has a through hole for mounting the hob. A movable plate 5, used for pushing and clamping the hob, is located between the clamping plate 6 and the base plate 4. The rear part of the movable plate 5 is slidably connected to the mounting plate 3. A spring 7 is located between the movable plate 5 and the clamping plate 6. One end of the spring 7 is fixedly connected to the clamping plate 6, and the other end of the spring 7 is fixedly connected to the mounting plate 6. A fixed frame 8 is fixedly connected to the base plate 4 and the fixed frame 8 is rotatably connected to the fixed frame 8. The screw 9 is threadedly connected to the front end of the moving plate 5 and slides through the base plate 4. The screw 9 is used to control the height of the moving plate 5. The spring 7 is used to increase the friction between the screw 9 and the moving plate 5. The assembly also includes a rotating component 10, which includes a connecting rod 101, an operating rod 102, and a limiting ball head. The connecting rod 101 is fixedly connected to the bottom of the screw 9. The operating rod 102, which is used to rotate the screw 9 by hand, is slidably connected to the bottom of the connecting rod 101. The operating rod 102 is cross-shaped and the two ends of the operating rod 102 are fixedly connected to limiting ball heads 103.

[0019] Align the hobbing cutter with the through hole on the clamping plate 6 to prepare for installation. Rotate the operating lever 102, which drives the screw 9 to rotate via the connecting rod 101. Since the screw 9 is threadedly connected to the front end of the moving plate 5 and rotatably connected to the fixing frame 8 through the base plate 4, the rotation of the screw 9 will cause the moving plate 5 to slide up and down on the mounting plate 3, thereby adjusting the height of the moving plate 5. When the height of the moving plate 5 is adjusted to a suitable position, the spring 7 between the moving plate 5 and the clamping plate 6 begins to function. The spring 7 connects the clamping plate 6 and the moving plate 5 at both ends, respectively. Its elasticity increases the friction between the screw 9 and the moving plate 5, stabilizing the moving plate 5 in its current position. Continuing to rotate the operating lever 102 causes the screw 9 to rotate further, moving the moving plate 5 upwards. The moving plate 5 pushes the clamping plate 6 to slide on the mounting plate 3, causing the hobbing cutter on the clamping plate 6 to gradually approach and align with the drive motor 2. During this process, the operator can observe the relative position of the hobbing cutter and the drive motor 2, referring to the rotation indicated by the identification card 13 on the operating lever 102. The operating lever 102 is rotated precisely in the correct direction to ensure that the hob is accurately aligned with the drive motor 2. The operating lever 102 is designed in a cross shape for easy manual operation, and the limiting ball joints at both ends prevent the operating lever 102 from detaching from the connecting rod 101 during operation. After the hob is accurately aligned with the drive motor 2, the operating lever 102 is rotated again to cause the screw 9 to drive the moving plate 5 to rise. The moving plate 5, through the action of the spring 7, applies a greater thrust to the clamping plate 6, causing the clamping plate 6 to tightly clamp the hob, thereby completing the installation and fixation of the hob. At this point, the hob is... Securely clamped, subsequent gear machining operations can be performed. Start the drive motor 2, which starts running and drives the clamped hob to rotate at high speed, thereby machining the gear. When the gear machining is completed and the hob needs to be replaced, rotate the operating lever 102 in the opposite direction. The screw 9 rotates in the opposite direction, driving the moving plate 5 to descend. Under the action of the spring 7, the clamping force of the clamping plate 6 on the hob gradually decreases. At this time, the used hob can be easily removed. Then, a new hob is placed in, and the hob installation is completed again according to the above installation, alignment and clamping steps, so that the gear machining work can continue.

[0020] like Figure 1 and Figure 3As shown, it also includes a protective sleeve 11, which is fitted over the outside of the screw 9 to protect the screw 9; a rubber sleeve 12, which is fixedly connected inside the through hole of the clamping plate 6 to protect the roller cutter; an identification card 13, which is fixedly connected to the operating rod 102 to indicate the rotation direction of the screw 9; and an anti-slip pad 14, which is fixedly connected to the operating rod 102 to prevent slipping when gripping.

[0021] During use, the protective sleeve 11 is fitted over the outside of the screw 9 to provide protection for the screw 9; the rubber sleeve 12 is fixed in the through hole of the clamping plate 6 to prevent damage to the hob during installation; the identification card marks the rotation direction for easy subsequent operation; and the anti-slip pad also increases the stability of the device.

[0022] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A hob clamping device for gear machining, characterized in that: The system includes a machine base (1), on which a drive motor (2) for driving the hob to rotate is mounted. A mounting plate (3) is fixedly connected to the machine base (1), and a base plate (4) is fixedly connected to the mounting plate (3). A clamping plate (6) for aligning the hob with the drive motor (2) is slidably connected to the mounting plate (3). The clamping plate (6) has a through hole for mounting the hob. A movable plate (5) for pushing and clamping the hob is provided between the clamping plate (6) and the base plate (4). The rear of the movable plate (5) is slidably connected to the mounting plate (3). 5) A spring (7) is provided between the clamping plate (6) and the clamping plate (6). One end of the spring (7) is fixedly connected to the clamping plate (6), and the other end of the spring (7) is fixedly connected to the moving plate (5). A fixing frame (8) is fixedly connected to the base plate (4). A screw (9) is rotatably connected to the fixing frame (8). The screw (9) is threadedly connected to the front end of the moving plate (5). The screw (9) passes through the base plate (4) and is slidably connected to it. The screw (9) is used to control the height of the moving plate (5). The spring (7) is used to increase the friction between the screw (9) and the moving plate (5).

2. The hob clamping device for gear machining as described in claim 1, characterized in that: It also includes a rotating assembly (10), which includes a connecting rod (101). The bottom of the screw (9) is fixedly connected to the connecting rod (101). The bottom of the connecting rod (101) is slidably connected to an operating rod (102) for manually rotating the screw (9). The operating rod (102) is cross-shaped, and the two ends of the operating rod (102) are fixedly connected to limit head balls (103).

3. The hob clamping device for gear machining as described in claim 2, characterized in that: It also includes a protective sleeve (11), which is provided on the outside of the screw (9) to protect the screw (9).

4. The hob clamping device for gear machining as described in claim 3, characterized in that: It also includes a rubber sleeve (12), in which a protective roller is fixedly connected inside the through hole of the clamping plate (6).

5. The hob clamping device for gear machining as described in claim 4, characterized in that: It also includes an identification card (13), which is fixedly connected to the operating lever (102) to indicate the rotation direction of the screw (9).

6. The hob clamping device for gear machining as described in claim 5, characterized in that: It also includes an anti-slip pad (14), which is fixedly connected to the operating lever (102) for hand gripping and anti-slip.

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