阅读说明：本技术 一种凸轮轴齿轮钻孔夹具 (Camshaft gear drilling fixture ) 是由 吕会德 张世兵 王龙 明伟 董高升 于 2020-06-17 设计创作，主要内容包括：本发明提供一种凸轮轴齿轮钻孔夹具,涉及齿轮加工技术领域,以解决现有的钻孔夹具在使用的时候,凸轮轴齿轮钻孔加工,需要把齿轮夹在夹具上,压力施加在齿轮上,容易在锯齿上夹出痕迹或者损坏锯齿,在齿轮中心进行固定,容易使齿轮发生转动,不便于进行齿轮钻孔的问题,包括主体,顶板,滑槽和竖槽；所述顶板为环形结构,且顶板安装在内板的内侧；所述滑槽为T字形结构,且滑槽设在主体的顶部；所述竖槽为T字形结构,且竖槽设在竖板的侧面。在进行凸轮轴齿轮加工的时候,可以通过滑槽和竖槽对齿轮进行固定,转动竖板侧面安装的螺纹杆,滑块在滑槽的内移动,使挡板外侧的锯齿状结构贴合齿轮的外侧,防止损坏齿轮外侧的锯齿。(The invention provides a camshaft gear drilling clamp, which relates to the technical field of gear machining and aims to solve the problems that when the existing drilling clamp is used, a camshaft gear needs to be clamped on the clamp, pressure is applied to the gear, traces are easy to clamp on saw teeth or the saw teeth are easy to damage, the gear is fixed at the center, the gear is easy to rotate, and the gear is inconvenient to drill, and the drilling clamp comprises a main body, a top plate, a sliding groove and a vertical groove; the top plate is of an annular structure and is arranged on the inner side of the inner plate; the sliding chute is of a T-shaped structure and is arranged at the top of the main body; the vertical groove is of a T-shaped structure and is arranged on the side face of the vertical plate. When carrying out camshaft gear machining, can fix the gear through spout and perpendicular groove, rotate riser side-mounting's threaded rod, the slider removes in the spout, makes the sawtooth structure in the baffle outside laminate the outside of gear, prevents to damage the sawtooth in the gear outside.)

1. The utility model provides a camshaft gear boring grab which characterized in that: the method comprises the following steps: the device comprises a main body (1), a top plate (2), a sliding groove (3) and a vertical groove (4); the main body (1) is of a rectangular three-dimensional structure, and supporting legs are arranged at included angles of the bottom edges of the main body (1); the top plate (2) is of an annular structure, and the top plate (2) is arranged on the inner side of the inner plate (102); the sliding chute (3) is of a T-shaped structure, and the sliding chute (3) is arranged at the top of the main body (1); the vertical groove (4) is of a T-shaped structure, and the vertical groove (4) is formed in the side face of the vertical plate (302).

2. The camshaft gear drilling jig as set forth in claim 1, wherein: the main body (1) comprises a pressure plate (101), an inner plate (102) and a bottom plate (103); the pressing plate (101) is of an annular structure, and the pressing plate (101) is arranged at the top of the main body (1); the inner plate (102) is of a cylindrical structure, and the outer side of the inner plate (102) is connected with the inner side of the main body (1) through a connecting rod; the top of the bottom plate (103) is provided with an opening, and the bottom plate (103) is arranged on the inner side of the inner plate (102).

3. The camshaft gear drilling jig as set forth in claim 1, wherein: the top plate (2) comprises a support plate (201), a rotating plate (202) and a clamping plate (203); the top of the carrier plate (201) is provided with a groove, the bottom of the carrier plate (201) is provided with a threaded rod, and the side surface of the carrier plate (201) is arranged at the bottom of the top plate (2) through a structural member; the rotating plate (202) is of a T-shaped structure, and the rotating plate (202) is arranged in a groove in the top of the carrier plate (201); the inner side of the clamping plate (203) is of an arc-shaped structure, and the outer side of the clamping plate (203) is arranged on the inner side of the rotating plate (202) through a spring.

4. The camshaft gear drilling jig as set forth in claim 1, wherein: the sliding groove (3) comprises a sliding block (301) and a vertical plate (302); the sliding block (301) is of a rectangular structure, and the sliding block (301) is arranged inside the sliding chute (3); the side surface of the vertical plate (302) is provided with a threaded rod, and the bottom of the vertical plate (302) is arranged at the top of the sliding block (301).

5. The camshaft gear drilling jig as set forth in claim 1, wherein: the vertical groove (4) comprises a baffle (401), a clamping groove (402) and a clamping plate (403); the outer side of the baffle (401) is provided with a saw-toothed structure, and the inner side of the baffle (401) is provided with a groove; the inner side of the baffle (401) is provided with a convex block, and the convex block on the inner side of the baffle (401) is arranged in the vertical groove (4); the clamping groove (402) is of a rectangular structure, and the clamping groove (402) is formed in the side face of the vertical groove (4); the inner end of the clamping plate (403) is inserted into the groove on the inner side of the baffle (401), and the outer end of the clamping plate (403) is inserted into the clamping groove (402).

Technical Field

The invention belongs to the technical field of gear machining, and particularly relates to a camshaft gear drilling clamp.

Background

The gear is a mechanical element with a rim on which gears are continuously meshed to transmit motion and power, the tooth profile of the gear comprises a tooth profile curve, a pressure angle, a tooth height and deflection, and an involute gear is easy to manufacture, so that in the gear used in modern times, the involute gear occupies the absolute majority, and the cycloid gear and the circular arc gear are less applied, and the clamp is a device which is used for fixing a processing object in the mechanical manufacturing process to enable the processing object to occupy the correct position to receive construction or detection and is also called a clamp.

For example, application No.: the invention discloses a gear drilling clamp in CN208450638U, which comprises a base and a mandrel, wherein a positioning sleeve for positioning and fixing the lower end surface of a workpiece and an expansion sleeve for positioning and fixing the inner hole of the workpiece are arranged on the base, the mandrel and the expansion sleeve are concentrically arranged, a power mechanism is arranged in the base, the lower end of the mandrel extends into the base and is connected with the power mechanism, and the power mechanism drives the mandrel to move upwards to enable the expansion sleeve to expand uniformly and clamp the inner hole of the workpiece.

Based on discovery among the prior art, current boring grab presss from both sides the vestige easily at the gear side when using, when carrying out camshaft gear drilling processing, need press from both sides the gear on anchor clamps, and pressure is applyed on the gear, presss from both sides the vestige easily or damages the sawtooth on the sawtooth, fixes at the gear center, makes the gear take place to rotate easily, is not convenient for carry out gear drilling.

In view of the above, the present invention provides a drilling jig for a camshaft gear, which is improved in view of the conventional structure and defects, and is intended to achieve a more practical purpose.

Disclosure of Invention

In order to solve the technical problems, the invention provides a camshaft gear drilling fixture, which aims to solve the problems that traces are easy to clamp on the side face of a gear when the existing drilling fixture is used, the gear needs to be clamped on the fixture when the camshaft gear is drilled, the traces are easy to clamp on saw teeth or the saw teeth are damaged on the gear when pressure is applied to the gear, the gear is easy to rotate due to the fact that the gear is fixed in the center of the gear, and the gear is inconvenient to drill.

The purpose and the efficiency of the camshaft gear drilling fixture are achieved by the following specific technical means:

a camshaft gear drilling clamp comprises a main body, a top plate, a sliding groove and a vertical groove; the main body is of a rectangular three-dimensional structure, and supporting legs are arranged at included angles of the bottom edges of the main body; the top plate is of an annular structure and is arranged on the inner side of the inner plate; the sliding chute is of a T-shaped structure and is arranged at the top of the main body; the vertical groove is of a T-shaped structure and is arranged on the side face of the vertical plate.

Furthermore, the main body comprises a pressure plate, an inner plate and a bottom plate; the pressing plate is of an annular structure and is arranged at the top of the main body; the inner plate is of a cylindrical structure, and the outer side of the inner plate is connected with the inner side of the main body through a connecting rod; the top of the bottom plate is provided with an opening, and the bottom plate is arranged on the inner side of the inner plate.

Furthermore, the top plate comprises a support plate, a rotating plate and a clamping plate; the top of the carrier plate is provided with a groove, the bottom of the carrier plate is provided with a threaded rod, and the side surface of the carrier plate is arranged at the bottom of the top plate through a structural member; the rotating plate is of a T-shaped structure and is arranged in a groove in the top of the carrier plate; the inboard of splint is the arc structure, and the inboard at the commentaries on classics board is installed through the spring in the outside of splint.

Furthermore, the sliding groove comprises a sliding block and a vertical plate; the sliding block is of a rectangular structure and is arranged inside the sliding groove; the side-mounting of riser has the threaded rod, and the top at the slider is established to the bottom of riser.

Furthermore, the vertical groove comprises a baffle, a clamping groove and a clamping plate; the outer side of the baffle is provided with a saw-toothed structure, and the inner side of the baffle is provided with a groove; the inner side of the baffle is provided with a convex block, and the convex block on the inner side of the baffle is arranged in the vertical groove; the clamping groove is of a rectangular structure and is arranged on the side face of the vertical groove; the inner end of the clamping plate is inserted into the groove on the inner side of the baffle, and the outer end of the clamping plate is inserted into the clamping groove.

Compared with the prior art, the invention has the following beneficial effects:

in the device, the sliding grooves and the vertical grooves are arranged, when the camshaft gear is machined, the gear can be fixed through the sliding grooves and the vertical grooves, the sliding grooves are formed in the four directions of the main body, the sliding blocks are arranged inside the sliding grooves, the gear is placed at the top of the main body, the threaded rods arranged on the side faces of the vertical plates are rotated under the action of human force, the sliding blocks move inside the sliding grooves, meanwhile, the vertical plates at the tops of the sliding blocks are driven to move, and the threaded rods outside the vertical plates are sequentially rotated to fix the gear;

moreover, the outer side of the gear is of a sawtooth structure, the baffle is moved in the vertical groove, the baffle is moved according to the height of the gear, the sawtooth structure on the outer side of the baffle is attached to the outer side of the gear, the sawtooth on the outer side of the gear is prevented from being damaged, the gear is clamped at the same time, the rotation is prevented when the hole is drilled, the clamping plate is inserted into the clamping groove, the inner end of the clamping plate is inserted into the groove on the inner side of the baffle plate to fix the baffle plate, the threaded rods on the side surfaces of the vertical plates are rotated to apply pressure to the four side surfaces of the gear, thereby solving the problem that the existing drilling clamp is easy to clamp traces on the side surface of the gear when in use, when the camshaft gear is drilled, the gear needs to be clamped on a clamp, traces are easy to clamp on the saw teeth or the saw teeth are easy to damage on the gear applied by pressure, the gear is fixed in the center, so that the gear is easy to rotate, and the gear drilling is inconvenient.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the part a of the present invention drawn from fig. 1.

FIG. 3 is a schematic cross-sectional view of the platen of the present invention.

Fig. 4 is a perspective view of the top plate of the present invention.

Fig. 5 is a schematic cross-sectional view of a riser of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a main body; 101. pressing a plate; 102. an inner plate; 103. a base plate; 2. a top plate; 201. a carrier plate; 202. rotating the plate; 203. a splint; 3. a chute; 301. a slider; 302. a vertical plate; 4. a vertical slot; 401. a baffle plate; 402. a card slot; 403. and (4) clamping the board.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.