Gear machining fixing tool

Abstract

The utility model discloses a gear machining fixing tool, and relates to the technical field of gear machining. Comprising a fixing frame, the top of the fixing frame is rotatably connected with a rotating shaft driven by a driving mechanism, the top of the rotating shaft is detachably connected with a stand column internally provided with a cavity, a movable rod is arranged in the cavity of the stand column in a liftable mode, through grooves are evenly formed in the outer wall of the stand column, and pressing blocks are rotatably connected to the inner walls of the bottoms of the through grooves; a connecting rod rotationally connected with the pressing block is hinged to the outer wall of the movable rod, and a supporting disc located below the through groove is installed on the stand column. According to the gear machining fixing tool, in the gear machining and fixing process, the stand column penetrates through the gear to be machined, the supporting disc supports the gear to drive the movable rod to move downwards, one end of the pressing block can move to be matched with the supporting disc to tightly press the gear to be machined, and after gear machining is completed, disassembly and assembly can be conveniently conducted.

Description

Technical Field

[0001] The utility model relates to the technical field of gear processing, in particular to a gear processing fixing tool. Background Art

[0002] A gear is a mechanical element, usually composed of disc-shaped teeth. They have a specific shape and arrangement and are used to transmit motion and force. Gears are usually circular, but can also be cylindrical or conical. They are widely used in various mechanical devices to change the speed and direction of rotational motion, or to transmit force. When processing mechanical gears, they need to be opened, polished, etc.

[0003] In order to prevent the gear from deflecting during grinding, the traditional fixing device usually locks the gear. As a result, when the entire gear needs to be ground, the fixing device needs to be removed and the gear angle or direction needs to be changed. At the same time, after the gear processing is completed, when replacing the new gear for processing, many parts need to be disassembled, resulting in a long processing time. Summary of the invention

[0004] The utility model provides a gear processing fixing tool to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gear processing fixing tool, comprising a fixing frame, the top of the fixing frame is rotatably connected to a rotating shaft driven by a driving mechanism, the top of the rotating shaft is detachably connected to a column with a cavity formed inside, a movable rod is provided in the cavity of the column which can be raised and lowered, the outer wall of the column is evenly provided with through grooves, the bottom inner wall of the through groove is rotatably connected to a pressure block, the outer wall of the movable rod is hinged with a connecting rod rotatably connected to the pressure block, and a support plate located below the through groove is installed on the column.

[0006] Furthermore, the support plate is threadedly connected to the column.

[0007] Furthermore, a fixing block located above the through slot is fixedly connected in the cavity of the column, a connecting block is fixedly connected to the top of the movable rod, and a spring sleeved on the movable rod is provided between the connecting block and the fixing block.

[0008] Furthermore, the top of the column is threadedly connected with a screw whose end extends into the cavity and is rotatably connected to the connecting block.

[0009] Furthermore, the driving mechanism includes a motor, a driving gear and a driven gear. The bottom end of the rotating shaft passes through the fixed frame and is sleeved with the driven gear. The top of the fixed frame is equipped with a motor with an output shaft passing through the fixed frame. One end of the motor output shaft is sleeved with a driving gear that meshes with the driven gear.

[0010] Furthermore, a plug post in the shape of a hexagonal column is fixedly connected to the top of the rotating shaft, and a slot for plugging and cooperating with the plug post is formed at the bottom end of the column.

[0011] Compared with the prior art, the utility model provides a gear processing and fixing tool, which has the following beneficial effects: during the gear processing and fixing process, the gear processing and fixing tool passes the column through the gear to be processed, and supports the support plate to drive the movable rod to move downward, so that one end of the pressure block can be moved to cooperate with the support plate to press the gear to be processed. After the gear processing is completed, it can be easily disassembled and assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the planar structure of the utility model;

[0014] Figure 3 It is a structural schematic diagram of the column of the utility model;

[0015] Figure 4 It is an enlarged schematic diagram of point A of the present utility model.

[0016] In the figure: 1, fixed frame; 2, rotating shaft; 3, column; 4, supporting plate; 5, movable rod; 6, through groove; 7, connecting rod; 8, pressure block; 9, fixed block; 10, connecting block; 11, spring; 12, screw rod; 13, motor; 14, driving gear; 15, driven gear; 16, slot; 17, plug column. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-4 The utility model discloses a gear processing fixed tool, including a fixed frame 1, the top of the fixed frame 1 is rotatably connected with a rotating shaft 2 driven by a driving mechanism, the top of the rotating shaft 2 is detachably connected with a column 3 with a cavity formed inside, a movable rod 5 is lifted and lowered in the cavity of the column 3, the outer wall of the column 3 is evenly provided with through grooves 6, the bottom inner wall of the through groove 6 is rotatably connected with a pressure block 8, the outer wall of the movable rod 5 is hinged with a connecting rod 7 rotatably connected to the pressure block 8, and a support plate 4 located below the through groove 6 is installed on the column 3.

[0019] Specifically, the support plate 4 is threadedly connected to the column 3 .

[0020] In this embodiment, an outer wall of the column 3 below the through slot 6 is provided with an external thread, and the support plate 4 is threadedly connected to the external thread, so that the height of the support plate 4 can be adjusted.

[0021] Specifically, a fixing block 9 located above the through slot 6 is fixedly connected in the cavity of the column 3, a connecting block 10 is fixedly connected to the top of the movable rod 5, and a spring 11 sleeved on the movable rod 5 is provided between the connecting block 10 and the fixing block 9.

[0022] The top of the column 3 is threadedly connected with a screw rod 12 whose end extends into the cavity and is rotatably connected to the connecting block 10 .

[0023] In this embodiment, the screw rod 12 is rotatably connected to the connecting block 10 through a bearing. When the screw rod 12 is turned to move downward, the movable rod 5 can be driven to move downward. The movable rod 5 can drive the pressure block 8 to rotate through the connecting rod 7, so that the end of the pressure block 8 can cooperate with the support plate 4 to clamp the gear to be processed that is passed through the column 3.

[0024] Specifically, the driving mechanism includes a motor 13, a driving gear 14 and a driven gear 15. The bottom end of the rotating shaft 2 passes through the fixed frame 1 and is sleeved with the driven gear 15. The top of the fixed frame 1 is equipped with a motor 13 with an output shaft passing through the fixed frame 1. One end of the output shaft of the motor 13 is sleeved with a driving gear 14 that meshes with the driven gear 15 for transmission.

[0025] In this embodiment, the driving gear 14 is driven by the motor 13 to mesh with the driven gear 15, so that the shaft 2 is driven to rotate, and then the column 3 rotates synchronously, which facilitates the processing position of the gear to be processed to be changed.

[0026] Specifically, a plug post 17 in the shape of a hexagonal column is fixedly connected to the top of the rotating shaft 2 , and a slot 16 for plugging and cooperating with the plug post 17 is formed at the bottom end of the upright column 3 .

[0027] In this embodiment, the column 3 is connected to the shaft 2 through the cooperation between the plug 17 and the slot 16 , and can rotate synchronously with the shaft 2 during the rotation of the shaft 2 .

[0028] The slot 16 is not connected to the cavity of the column 3 .

[0029] To sum up, during the gear processing and fixing process, the gear processing and fixing tool passes the column 3 through the gear to be processed, and supports the support plate 4 to drive the movable rod 5 to move downward, so that one end of the pressure block 8 can be moved to cooperate with the support plate 4 to press the gear to be processed. After the gear processing is completed, it can be easily disassembled and assembled.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gear processing fixture, characterized in that: The invention comprises a fixed frame (1), the top of the fixed frame (1) is rotatably connected to a rotating shaft (2) driven by a driving mechanism, the top of the rotating shaft (2) is detachably connected to a column (3) with a cavity formed therein, a movable rod (5) is provided in the cavity of the column (3) and can be lifted and lowered, the outer wall of the column (3) is evenly provided with through grooves (6), the bottom inner wall of the through groove (6) is rotatably connected to a pressure block (8), the outer wall of the movable rod (5) is hinged to a connecting rod (7) rotatably connected to the pressure block (8), and a support plate (4) located below the through groove (6) is installed on the column (3).

2. A gear processing fixture according to claim 1, characterized in that: The support plate (4) is threadedly connected to the column (3).

3. The gear processing fixture according to claim 1, characterized in that: A fixed block (9) located above the through slot (6) is fixedly connected in the cavity of the upright column (3), a connecting block (10) is fixedly connected to the top of the movable rod (5), and a spring (11) sleeved on the movable rod (5) is provided between the connecting block (10) and the fixed block (9).

4. A gear processing fixture according to claim 3, characterized in that: The top of the column (3) is threadedly connected to a screw rod (12) whose end extends into the cavity and is rotatably connected to the connecting block (10).

5. The gear processing fixture according to claim 1, characterized in that: The driving mechanism comprises a motor (13), a driving gear (14) and a driven gear (15); the bottom end of the rotating shaft (2) passes through the fixing frame (1) and is sleeved with the driven gear (15); the top of the fixing frame (1) is provided with a motor (13) whose output shaft passes through the fixing frame (1); one end of the output shaft of the motor (13) is sleeved with a driving gear (14) which meshes with the driven gear (15) for transmission.

6. The gear processing fixture according to claim 1, characterized in that: The top of the rotating shaft (2) is fixedly connected with an insertion column (17) in the shape of a hexagonal column as a whole, and the bottom end of the upright column (3) is provided with a slot (16) for plugging and matching with the insertion column (17).

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