Positioning tool for gear machining

Abstract

The utility model discloses a positioning tool for gear machining, which belongs to the technical field of gear machining and comprises a positioning table, a positioning column is fixed in the middle of the top of the positioning table, a driving motor is arranged at the top of the positioning column, and the output end of the driving motor extends into the positioning column to be connected with a driving shaft. A butting mechanism matched with the driving shaft is arranged at the bottom in the positioning column in the circumferential direction, a plurality of adjusting frames are arranged at the top of the positioning table in the circumferential direction, a fixing plate is installed on the adjusting frames through adjusting mechanisms, and a positioning head is fixed to the side, facing the positioning column, of the fixing plate through a connecting angle block; the driving motor drives the driving shaft to rotate, then the abutting mechanism is driven to move, the middle of the gear abuts against the gear, the gear is prevented from deviating, the fixing plate is driven to move through the adjusting mechanism after abutting, the periphery of the gear is positioned through the multiple positioning heads, and it is guaranteed that the gear is stably positioned.

Description

Technical Field

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

[0002] Gear processing is a process that uses mechanical methods to obtain a specific gear structure and precision. Gears are the core transmission components in automobile movement. The quality of their processing will have a direct impact on the vibration, noise and reliability of the automobile assembly and even the entire vehicle, and sometimes become a key factor restricting the improvement of product quality.

[0003] During the gear processing, the gear needs to be positioned. The traditional gear positioning tool is unstable when clamping the gear. The center position of the gear is easily offset during the clamping process, which affects the subsequent processing of the gear. Therefore, it is necessary to design a positioning tool for gear processing. Utility Model Content

[0004] The purpose of the utility model is to provide a positioning tool for gear processing to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a positioning tool for gear processing, comprising a positioning table, a positioning column is fixed in the middle of the top of the positioning table, a driving motor is provided on the top of the positioning column, the output end of the driving motor extends into the positioning column and is connected with the driving shaft, a tightening mechanism matching the driving shaft is provided circumferentially in the bottom inner circumference of the positioning column, a plurality of adjustment frames are provided circumferentially in the top of the positioning table, a fixing plate is installed on the adjusting frame through the adjusting mechanism, a positioning head is fixed on the fixing plate facing the side of the positioning column through a connecting corner block, the gear to be positioned and processed is placed on the top of the positioning table, wherein the positioning column is located in the middle hole of the gear, the driving motor drives the driving shaft to rotate, and then drives the tightening mechanism to move, tightens the middle of the gear to prevent the gear from shifting, and after tightening, the fixing plate is driven to move by the adjusting mechanism, and then the outer periphery of the gear is positioned by a plurality of positioning heads to ensure stable positioning of the gear.

[0006] In a further embodiment, the clamping mechanism includes a plurality of driven screws arranged on the circumference of the bottom inner side of the positioning column, a second bevel gear is fixedly sleeved at one end of the driven screw, a first bevel gear is fixedly sleeved at the bottom end of the driving shaft, the first bevel gear and the adjacent second bevel gear are meshed with each other, a slider is threadedly connected to the driven screw, a connecting rod is fixed on the slider, one end of the connecting rod is connected to the clamping plate, the first bevel gear is driven to rotate by the rotation of the driving shaft, and the driven screw is driven to rotate by the second bevel gear, and the slider is driven to move on the driven screw, and the clamping plate is pushed to move by the connecting rod, so that the clamping plate is moved out of the positioning column to clamp the inner wall of the gear.

[0007] In a further embodiment, the adjustment mechanism includes an adjustment motor arranged in an adjustment frame, the output end of the adjustment motor is connected to the adjustment screw, an adjustment block is threadedly connected to the adjustment screw, connecting plates are fixed on both sides of the adjustment block, a push rod is fixed on the connecting plate, one end of the push rod passes through the adjustment frame and is connected to the fixed plate, the adjustment screw is driven to rotate by the adjustment motor, and then the adjustment block is driven to move on the adjustment screw, and then the connecting plate is driven to move, and then the fixed plate is pushed to move by the push rod.

[0008] In a further embodiment, the connecting angle block is connected to the fixing plate by bolts, a locking pin is provided on the connecting angle block, a pin hole matching with the locking pin is opened on the positioning head, and the locking pin matches with the pin hole so that the positioning head is fixed and stable.

[0009] In a further embodiment, a slide groove is provided in the adjustment frame, and one end of the connecting plate is slidably matched with the slide groove, so that the connecting plate moves stably through the setting of the slide groove.

[0010] In a further embodiment, a plurality of through holes are provided at the lower portion of the positioning column, and the through holes cooperate with the abutting plate, so that the movement of the abutting plate is facilitated by the provision of the through holes.

[0011] Compared with the prior art, the beneficial effects achieved by the utility model are: the driving motor drives the driving shaft to rotate, thereby driving the clamping mechanism to move, clamping the middle of the gear to prevent the gear from shifting, and after clamping, the adjusting mechanism drives the fixing plate to move, and then the outer periphery of the gear is positioned by a number of positioning heads to ensure stable gear positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an overall top view of the utility model;

[0013] Figure 2 It is a sectional view of the whole part of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the adjustment frame of the utility model;

[0015] Figure 4 This is a schematic diagram of the internal structure of the positioning column of the utility model;

[0016] The accompanying drawings are marked as: positioning table 1, positioning column 2, driving motor 3, adjusting frame 4, positioning head 5, adjusting motor 6, adjusting screw 7, adjusting block 8, connecting plate 9, push rod 10, fixing plate 11, connecting angle block 12, driving shaft 13, first bevel gear 14, driven screw 15, second bevel gear 16, slider 17, connecting rod 18, and clamping plate 19. DETAILED DESCRIPTION

[0017] In the following description, a large number of specific details are provided to provide a more thorough understanding of the present invention. However, it is apparent to those skilled in the art that the present invention can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present invention, some technical features well known in the art are not described.

[0018] See also Figure 1-4 The utility model provides a technical solution: a positioning tool for gear processing, including a positioning platform 1, a positioning column 2 is fixed in the middle of the top of the positioning platform 1, a driving motor 3 is arranged on the top of the positioning column 2, the output end of the driving motor 3 extends into the positioning column 2 and is connected with the driving shaft 13, the inner bottom circumferentially of the positioning column 2 is provided with a tightening mechanism matched with the driving shaft 13, a plurality of adjusting frames 4 are arranged on the top circumferentially of the positioning platform 1, a fixing plate 11 is installed on the adjusting frame 4 through the adjusting mechanism, a positioning head 5 is fixed on the fixing plate 11 facing the side of the positioning column 2 through a connecting corner block 12, the gear to be positioned and processed is placed on the top of the positioning platform 1, wherein the positioning column 2 is located at the middle hole of the gear, the driving motor 3 drives the driving shaft 13 to rotate, and then drives the tightening mechanism to move, tightens the middle of the gear to prevent the gear from shifting, and after tightening, the fixing plate 11 is driven to move by the adjusting mechanism, and then the outer periphery of the gear is positioned through a plurality of positioning heads 5 to ensure stable positioning of the gear.

[0019] In a further embodiment, the clamping mechanism includes a plurality of driven screws 15 arranged on the circumference of the bottom inner side of the positioning column 2, a second bevel gear 16 is fixedly sleeved on one end of the driven screw 15, a first bevel gear 14 is fixedly sleeved on the bottom end of the driving shaft 13, the first bevel gear 14 and the adjacent second bevel gear 16 are meshed with each other, a slider 17 is threadedly connected to the driven screw 15, a connecting rod 18 is fixed on the slider 17, one end of the connecting rod 18 is connected to the clamping plate 19, the first bevel gear 14 is driven to rotate by the rotation of the driving shaft 13, and the driven screw 15 is driven to rotate by the second bevel gear 16, and the slider 17 is driven to move on the driven screw 15, and the clamping plate 19 is pushed to move by the connecting rod 18, so that the clamping plate 19 is moved out of the positioning column 2 and the inner wall of the gear is clamped.

[0020] In a further embodiment, the adjustment mechanism includes an adjustment motor 6 arranged in the adjustment frame 4, the output end of the adjustment motor 6 is connected to the adjustment screw 7, the adjustment block 8 is threadedly connected to the adjustment screw 7, connecting plates 9 are fixed on both sides of the adjustment block 8, a push rod 10 is fixed on the connecting plate 9, one end of the push rod 10 passes through the adjustment frame 4 and is connected to the fixed plate 11, the adjustment screw 7 is driven to rotate by the adjustment motor 6, and then the adjustment block 8 is driven to move on the adjustment screw 7, and then the connecting plate 9 is driven to move, and then the fixed plate 11 is pushed to move by the push rod 10.

[0021] In a further embodiment, the connecting angle block 12 is connected to the fixing plate 11 by bolts, a locking pin is provided on the connecting angle block 12, and a pin hole matching with the locking pin is opened on the positioning head 5. The locking pin matches with the pin hole, so that the positioning head 5 is fixed and stable.

[0022] In a further embodiment, a slide groove is provided in the adjustment frame 4, and one end of the connecting plate 9 is slidably matched with the slide groove, so that the connecting plate 9 can move stably through the setting of the slide groove.

[0023] In a further embodiment, a plurality of through holes are provided at the lower portion of the positioning column 2 , and the through holes cooperate with the abutting plate 19 , so that the movement of the abutting plate 19 is facilitated by the provision of the through holes.

[0024] Working principle: The gear to be positioned and processed is placed on the top of the positioning table 1, wherein the positioning column 2 is located at the middle hole of the gear, and the driving motor 3 is used to drive the driving shaft 13 to rotate, and the first bevel gear 14 is driven to rotate through the rotation of the driving shaft 13, and then the driven screw 15 is driven to rotate through the second bevel gear 16, and then the slider 17 is driven to move on the driven screw 15, and then the clamping plate 19 is pushed to move through the connecting rod 18, and the clamping plate 19 is moved out of the positioning column 2, and the inner wall of the gear is clamped to prevent the gear from shifting. After clamping, the adjusting screw 7 is driven to rotate through the adjusting motor 6, and then the adjusting block 8 is driven to move on the adjusting screw 7, and then the connecting plate 9 is driven to move, and then the fixed plate 11 is pushed to move through the push rod 10, and then the outer periphery of the gear is positioned through a number of positioning heads 5 to ensure stable gear positioning.

[0025] The preferred specific implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above specific implementation modes. Within the technical concept of the present invention, various equivalent transformations can be made to the technical scheme of the present invention, and these equivalent transformations all belong to the protection scope of the present invention.

Claims

1. A positioning tool for gear processing, comprising a positioning table (1), characterized in that: A positioning column (2) is fixed in the middle of the top of the positioning platform (1), a driving motor (3) is provided on the top of the positioning column (2), the output end of the driving motor (3) extends into the positioning column (2) and is connected to the driving shaft (13), a tightening mechanism that matches the driving shaft (13) is provided on the circumference of the bottom inner part of the positioning column (2), a plurality of adjustment frames (4) are provided on the circumference of the top of the positioning platform (1), a fixing plate (11) is installed on the adjusting frame (4) through an adjusting mechanism, and a positioning head (5) is fixed on the side of the fixing plate (11) facing the positioning column (2) through a connecting corner block (12).

2. A positioning tool for gear processing according to claim 1, characterized in that: The clamping mechanism comprises a plurality of driven screw rods (15) arranged on the circumference of the bottom inner side of the positioning column (2); a second bevel gear (16) is fixedly sleeved on one end of the driven screw rod (15); a first bevel gear (14) is fixedly sleeved on the bottom end of the driving shaft (13); the first bevel gear (14) and the adjacent second bevel gear (16) are meshed with each other; a slider (17) is threadedly connected to the driven screw rod (15); a connecting rod (18) is fixedly connected to the slider (17); one end of the connecting rod (18) is connected to the clamping plate (19).

3. A positioning tool for gear processing according to claim 1, characterized in that: The adjusting mechanism comprises an adjusting motor (6) arranged in an adjusting frame (4), the output end of the adjusting motor (6) is connected to an adjusting screw (7), an adjusting block (8) is threadedly connected to the adjusting screw (7), connecting plates (9) are fixed on both sides of the adjusting block (8), a push rod (10) is fixed on the connecting plate (9), and one end of the push rod (10) passes through the adjusting frame (4) and is connected to a fixing plate (11).

4. A positioning tool for gear processing according to claim 1, characterized in that: The connecting angle block (12) is connected to the fixing plate (11) by means of bolts, a locking pin is provided on the connecting angle block (12), and a pin hole matching the locking pin is provided on the positioning head (5).

5. The positioning tool for gear processing according to claim 3, characterized in that: A slide groove is provided in the adjustment frame (4), and one end of the connecting plate (9) is slidably matched with the slide groove.

6. A positioning tool for gear processing according to claim 2, characterized in that: The lower part of the positioning column (2) is provided with a plurality of through holes, and the through holes cooperate with the abutting plate (19).

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