CN112823990A

CN112823990A - Fixing device for machining sector gear

Info

Publication number: CN112823990A
Application number: CN201911140731.5A
Authority: CN
Inventors: 孟聪
Original assignee: Hunan University of Technology
Current assignee: Hunan University of Technology
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2021-05-21

Abstract

The invention relates to the technical field of gear machining, and discloses a fixing device for machining a sector gear, which comprises a bottom plate and a guide rail, wherein a driving shaft is fixedly connected onto the bottom plate, a rotary table is fixedly connected onto the upper end of the driving shaft, a first gear is connected onto the driving shaft, a second gear is arranged on the left side of the first gear and is arranged on a driven shaft, a limiting block is connected onto the upper portion of the driven shaft, a protective sleeve is fixedly connected onto the outer portion of the limiting block, the sector gear is sleeved on the protective sleeve, a fixed block is connected onto the upper portion of the driven shaft, a horizontal plate is arranged between the guide rails, a pull rope is connected onto the right portion of the horizontal. This a fixing device for sector gear processing can fix sector gear through the effect of restriction piece and fixed block, prevents to be out of level because of sector gear's asymmetry causes fixed, possesses and can conveniently process gear tooth portion and tip, and can carry out rotatory advantage.

Description

Fixing device for machining sector gear

Technical Field

The invention relates to the technical field of gear machining, in particular to a fixing device for machining a sector gear.

Background

The gear is a mechanical element with a rim on which the gear is continuously meshed to transmit motion and power, and the gear machining is a technological process for obtaining a specific structure and precision of the gear by using a mechanical method.

Sector gear as a special gear, it has just lacked various processes in the course of working equally, need fix it in order to do benefit to processing at the in-process of processing, and the fixing device who is used for sector gear has now mostly only to carry out the centre gripping to it with the convenient processing tooth portion, and can not conveniently process its tip, and current device can not rotate sector gear with convenient processing after fixed.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a fixing device for machining a sector gear, which has the advantages of conveniently machining the tooth part and the end part of the gear and rotating, and solves the problems that the tooth part and the end part of the gear cannot be conveniently machined and cannot rotate in the prior art.

(II) technical scheme

In order to realize the purposes of conveniently processing the gear tooth part and the end part and rotating, the invention provides the following technical scheme: the utility model provides a fixing device for sector gear processing, comprising a base plate, fixedly connected with guide rail on the bottom plate, fixedly connected with driving shaft on the bottom plate, the upper end fixedly connected with carousel of driving shaft, fixedly connected with bull stick on the carousel, the first gear of fixedly connected with on the driving shaft, the left side meshing of first gear is connected with the second gear, the second gear sets up on the driven shaft, the lower extreme of driven shaft is connected with the fixed axle, the lower extreme and the bottom plate fixed connection of fixed axle, the upper portion of driven shaft is connected with the restriction piece, the outside fixedly connected with lag of restriction piece, the sector gear has been cup jointed on the lag, the upper portion of driven shaft is connected with the fixed block, be provided with the horizontal plate between the guide rail, the right part of horizontal plate is connected with the stay cord, fixedly connected with pivot between.

Preferably, the rotating rod is provided with anti-slip stripes to prevent slipping.

Preferably, the upper part of the driven shaft is a threaded shaft, and the driven shaft can be assembled and disassembled by matching with the limiting block and the fixing block.

Preferably, the driven shaft is connected with the fixed shaft through a bearing, so that the driven shaft can rotate smoothly.

Preferably, the vertical section of the limiting block is trapezoidal, so that the limiting block is beneficial to limiting the sector gear placed on the protective sleeve.

Preferably, the inside of fixed block and the inside of restriction piece all set up in driven shaft matched with screw thread, can conveniently load and unload fixed block and restriction piece.

Preferably, a roller is arranged between the horizontal plate and the guide rail, the roller can enable the horizontal plate to move more stably, and a hole is formed in the middle of the horizontal plate to prevent the horizontal plate from being blocked by the limiting block.

(III) advantageous effects

Compared with the prior art, the invention provides a fixing device for machining a sector gear, which has the following beneficial effects:

1. this a fixing device for sector gear processing carries out threaded connection's restriction piece and fixed block through setting up and driven shaft, can put sector gear on the restriction piece, and the rethread is rotatory to be moved down the fixed block and is withstood sector gear, makes it fixed, can prevent sector gear damage through the outside fixedly connected with lag at the restriction piece, and this kind of fixed mode is because of not blockking sector gear's tip and tooth portion, then can process sector gear's tip and tooth portion under the fixed circumstances of realization.

2. This a fixing device for sector gear processing through being provided with the driving shaft, and the driving shaft can drive its rotation by the rotation of bull stick, then the driving shaft can make the driven shaft rotatory because of the effect of first gear and second gear when rotatory, then can drive fixed sector gear on the driven shaft and rotate to the convenience is processed sector gear.

3. This a fixing device for sector gear processing, consider sector gear be asymmetric gear, then it can have slope to some extent on limiting block, thereby sector gear can not be competent influence follow-up processing after fixed, so be provided with the horizontal plate between the guide rail, put on limiting block with sector gear accessible sector gear whether with the horizontal plate laminating of below judge whether sector gear is horizontal, then the rethread fixed block is fixed to it, can drive the horizontal plate through rotatory reel and reciprocate.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a top cross-sectional view of a portion of the structure of the present invention;

FIG. 3 is a front cross-sectional view of the sector gear of the present invention as it is secured;

fig. 4 is a schematic bottom view of the fixing block of the present invention.

In the figure: 1-bottom plate, 2-guide rail, 3-driving shaft, 4-rotary table, 5-rotary rod, 6-first gear, 7-second gear, 8-driven shaft, 9-fixed shaft, 10-limiting block, 11-protective sleeve, 12-sector gear, 13-fixed block, 14-horizontal plate, 15-pull rope, 16-rotary shaft and 17-reel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a fixing device for processing a sector gear comprises a bottom plate 1, a guide rail 2 is fixedly connected to the bottom plate 1, a driving shaft 3 is fixedly connected to the bottom plate 1, a rotary table 4 is fixedly connected to the upper end of the driving shaft 3, a rotary rod 5 is fixedly connected to the rotary table 4, anti-slip stripes are arranged on the rotary rod 5 to prevent slipping, a first gear 6 is fixedly connected to the driving shaft 3, a second gear 7 is engaged with the left side of the first gear 6, the second gear 7 is arranged on a driven shaft 8, a fixed shaft 9 is connected to the lower end of the driven shaft 8, the driven shaft 8 and the fixed shaft 9 are connected through a bearing, the driven shaft 8 can smoothly rotate, the lower end of the fixed shaft 9 is fixedly connected to the bottom plate 1, a limiting block 10 is connected to the upper portion of the driven shaft 8, the vertical section of the limiting block 10 is trapezoidal, and can limit a, a protective sleeve 11 is fixedly connected to the outer part of the limiting block 10, a sector gear 12 is sleeved on the protective sleeve 11, the protective sleeve 11 can prevent the sector gear 12 from being in contact with the limiting block 10 to be worn, a fixed block 13 is connected to the upper part of the driven shaft 8, wherein, the upper part of the driven shaft 8 is a threaded shaft, and the inner part of the fixed block 13 and the inner part of the limiting block 10 are both arranged on the threads matched with the driven shaft 8, the fixing block 13 and the limiting block 10 can be conveniently assembled and disassembled, a horizontal plate 14 is arranged between the guide rails 2, and be provided with the gyro wheel between horizontal plate 14 and the guide rail 2, and the middle part of horizontal plate 14 sets up the hole, and the gyro wheel can make horizontal plate 14 remove more steadily, and the hole in horizontal plate 14 middle part can prevent that horizontal plate 14 from being stopped by restriction piece 10, and the right part of horizontal plate 14 is connected with stay cord 15, fixedly connected with pivot 16 between the right part guide rail 2, is provided with reel 17 on the pivot 16, and the one end of stay cord 15 is connected with reel 17.

The working principle is as follows: the sector gear 12 to be fixed is placed on the protecting sleeve 11, then the reel 17 is rotated to enable the lower end of the sector gear 12 to be in contact with the horizontal plate 14, and further the position of the sector gear 12 is adjusted to be horizontal, when the lower end face of the sector gear 12 is in close contact with the left portion and the right portion of the horizontal plate 14, the fixing block 13 can be screwed down to fix the sector gear 12 on the limiting block 10, the fixing mode can process the end portion and the tooth portion of the sector gear 12 under the condition of realizing the fixing because the end portion and the tooth portion of the sector gear 12 are not blocked, when the sector gear 12 needs to be rotated to facilitate the processing, the rotating rod 5 can be rotated to enable the driving shaft 3 to rotate, when the driving shaft 3 rotates, the driven shaft 8 can be rotated because of the effects of the first gear 6 and the second gear 7, and the sector gear 12 fixed on the driven shaft 8 can be driven to rotate, thereby facilitating machining of the sector gear 12.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fixing device for sector gear processing, includes bottom plate (1), its characterized in that: the guide rail type motor driven shaft structure is characterized in that a guide rail (2) is fixedly connected to the bottom plate (1), a driving shaft (3) is fixedly connected to the bottom plate (1), a rotary disc (4) is fixedly connected to the upper end of the driving shaft (3), a rotary rod (5) is fixedly connected to the rotary disc (4), a first gear (6) is fixedly connected to the driving shaft (3), a second gear (7) is meshed and connected to the left side of the first gear (6), the second gear (7) is arranged on a driven shaft (8), a fixed shaft (9) is connected to the lower end of the driven shaft (8), the lower end of the fixed shaft (9) is fixedly connected to the bottom plate (1), a limiting block (10) is connected to the upper portion of the driven shaft (8), a protective sleeve (11) is fixedly connected to the outer portion of the limiting block (10), a sector gear (12) is sleeved on the protective sleeve (11), a fixed, the right part of the horizontal plate (14) is connected with a pull rope (15), a rotating shaft (16) is fixedly connected between the right guide rails (2), a winding wheel (17) is arranged on the rotating shaft (16), and one end of the pull rope (15) is connected with the winding wheel (17).

2. A fixture for sector gear machining according to claim 1, wherein: and the rotating rod (5) is provided with anti-skid stripes.

3. A fixture for sector gear machining according to claim 1, wherein: the upper part of the driven shaft (8) is a threaded shaft.

4. A fixture for sector gear machining according to claim 1, wherein: the driven shaft (8) is connected with the fixed shaft (9) through a bearing.

5. A fixture for sector gear machining according to claim 1, wherein: the vertical section of the limiting block (10) is trapezoidal.

6. A fixture for sector gear machining according to claim 1, wherein: the inside of fixed block (13) and the inside of restricting block (10) all set up in driven shaft (8) matched with screw thread.

7. A fixture for sector gear machining according to claim 1, wherein: and rollers are arranged between the horizontal plate (14) and the guide rail, and the middle part of the horizontal plate (14) is provided with a hole.