CN111590357A

CN111590357A - Camshaft gear drilling fixture

Info

Publication number: CN111590357A
Application number: CN202010551018.6A
Authority: CN
Inventors: 吕会德; 张世兵; 王龙; 明伟; 董高升
Original assignee: Shiyan Weisheng Auto Parts Co ltd
Current assignee: Shiyan Weisheng Auto Parts Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2020-08-28

Abstract

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.

Description

Camshaft gear drilling fixture

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.

Example (b):

as shown in figures 1 to 5:

the invention provides a camshaft gear drilling clamp which comprises a main body 1, a top plate 2, a sliding groove 3 and a vertical groove 4, wherein the main body is provided with a plurality of holes; 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, the vertical groove 4 is arranged on the side face of the vertical plate 302, a connecting rod between the inner plate 102 and the inner side of the main body 1 forms an opening, fragments generated by drilling can fall down, the bottom plate 103 is arranged at the bottom of the inner side of the inner plate 102, a threaded rod is installed in an opening at the top of the bottom plate 103, the top plate 2 is convenient to adjust, the annular structure of the top plate 2 is convenient for a drill bit to be inserted into the rotary plate 202 when the drill bit passes through the drilling, the arc-shaped structure at the inner side of the clamping plate 203 clamps the drill bit under the action of a spring, the rotary plate 202 rotates in a groove at the top of the supporting plate 201 along with the rotation of the drill bit, the drill bit is prevented from being directly inserted into the supporting plate 201 to damage the drill bit, the vertical plate 302 is moved inwards in four directions of the gear, the baffle 401 on the, the inner end of a clamping plate 403 penetrating through a clamping groove 402 is inserted into a groove on the inner side of a baffle 401, the baffle 401 is fixed, a threaded rod on the side surface of a vertical plate 302 is rotated, the baffle 401 clamps a gear, and the main body 1 comprises a pressing plate 101, an inner plate 102 and a bottom plate 103; the pressure plate 101 is of an annular structure, and the pressure plate 101 is arranged at the top of the main body 1; the inner plate 102 is 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, the bottom plate 103 is arranged on the inner side of the inner plate 102, the included angle of the bottom edge of the main body 1 is provided with a support leg, a threaded rod at the bottom can be conveniently adjusted through manpower, when a gear is placed on the pressure plate 101 at the top of the main body 1, the periphery of the bottom of the gear can be supported by the annular structure of the pressure plate 101, and drilling around the gear is facilitated, 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 at the top of the carrier plate 201; the inner side of the clamping plate 203 is of an arc-shaped structure, the outer side of the clamping plate 203 is arranged on the inner side of the rotating plate 202 through a spring, when the gear is placed on the main body 1, the threaded rod arranged at the bottom of the support plate 201 is rotated through the action of human force, the top plate 2 is driven to move upwards, the top plate 2 is pressed against the central position of the bottom of the gear, the gear is prevented from slightly deforming due to pressure applied during drilling, and 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 installed inside the sliding chute 3; a threaded rod is installed on the side surface of the vertical plate 302, the bottom of the vertical plate 302 is arranged at the top of the sliding block 301, sliding grooves 3 are formed in the four directions of the main body 1, the threaded rod on the side surface of the vertical plate 302 is rotated, so that the sliding block 301 at the bottom of the vertical plate 302 moves inside the sliding grooves 3, and 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 arranged on the side face of the vertical groove 4; the inner of cardboard 403 is inserted in the inboard recess of baffle 401, and the outer end of cardboard 403 is inserted in the inside of draw-in groove 402, moves baffle 401 according to the height of gear side, makes the lug of baffle 401 side remove in the inside of erecting groove 4, makes the zigzag structure laminating gear's in the baffle 401 outside side, and the atress to the gear is even, prevents to take place the condition of damaging the gear.

The specific use mode and function of the embodiment are as follows:

in the invention, when drilling the camshaft, firstly, the gear is placed on the pressure plate 101 at the top of the main body 1, the annular structure of the pressure plate 101 supports the bottom of the gear, an opening between connecting rods at the outer side of the inner plate 102 is used for facilitating the falling of chips generated by drilling, a threaded rod is arranged on an opening at the top of the bottom plate 103, a support leg at the included angle of the bottom edge of the main body 1 is used for facilitating the adjustment of the threaded rod at the bottom, then the baffle 401 is moved to enable the baffle 401 to move in the vertical groove 4, the sawtooth-shaped structure at the outer side of the baffle 401 is attached to the side surface of the gear, the clamping plate 403 passes through the clamping groove 402 and is clamped in the groove at the inner side of the baffle 401 to fix the baffle 401, the sliding grooves 3 are arranged in four directions of the main body 1, the threaded rod at the side surface of the vertical plate 302 is rotated, then the threaded rod installed at the bottom of the support plate 201 is rotated through the action of human force, the top plate 2 moves upwards, the top plate 2 abuts against the bottom of the gear, the gear is released to deform slightly under the pressure applied during drilling, when the drill bit penetrates through the drill hole, the drill bit is inserted into the rotating plate 202, the arc-shaped structure on the inner side of the clamping plate 203 is convenient to be attached to the drill bit, the drill bit is clamped under the action of the spring, the rotating plate 202 is enabled to rotate along with the drill bit, the drill bit is prevented from being directly inserted into the support plate 201.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

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).