阅读说明：本技术 一种凸轮轴齿轮钻螺纹底孔装夹工装 (Clamping tool for drilling threaded bottom hole of cam shaft gear ) 是由 李武想 张世兵 王龙 明伟 董高升 于 2020-06-18 设计创作，主要内容包括：本发明提供一种凸轮轴齿轮钻螺纹底孔装夹工装,属于机械加工技术领域,以解决现有的通过分度头夹持的加工方式容易出现摇动手柄的圈数和位置错误造成分度错位,导致钻孔错误,同时通过分度头进行操作,需要摇动多圈手柄,同时要对摇动的圈数和位置进行记忆,操作麻烦,操作效率比较低的问题,包括底座；所述底座右侧的内部转动连接有一组转动中间传动件；所述底座的底部内侧转动连接有一组定位驱动件。该发明实现了在滑动操作件时,带动齿轮固定件转动一定角度,实现了对被加工齿轮的换位动作,同时驱动定位件升降完成定位动作,使用简单操作,能够有效避免出错,保证换位角度的一致性,可以大大提高工作效率。(The invention provides a camshaft gear clamping tool for drilling a threaded bottom hole, belongs to the technical field of machining, and aims to solve the problems that indexing dislocation is easily caused by wrong turns and positions of a rocking handle in the existing machining mode of clamping through an indexing head, so that drilling errors are caused, the operation is carried out through the indexing head, the multi-turn handle needs to be rocked, the rocked turns and positions need to be memorized, the operation is troublesome, and the operation efficiency is low; the inner part on the right side of the base is rotatably connected with a group of rotating intermediate transmission parts; the bottom inner side of the base is rotatably connected with a group of positioning driving pieces. The gear fixing piece is driven to rotate by a certain angle when the operating piece is slid, the transposition action of the processed gear is realized, the positioning piece is driven to lift to complete the positioning action, the use is simple, the error can be effectively avoided, the consistency of the transposition angles is ensured, and the working efficiency can be greatly improved.)

1. The utility model provides a camshaft gear bores screw thread bottom hole clamping frock which characterized in that: the clamping tool for drilling the threaded bottom hole of the camshaft gear comprises a base (1); the top of the base (1) is rotatably connected with a group of gear fixing pieces (2); the right side of the base (1) is connected with a group of operating pieces (3) in a sliding manner; a group of positioning intermediate transmission parts (5) are rotatably connected inside the right side of the base (1); the inner part of the right side of the base (1) is rotatably connected with a group of rotating intermediate transmission parts (4); the inner side of the bottom of the base (1) is rotatably connected with a group of positioning driving pieces (6); the inner side of the bottom of the base (1) is connected with a group of positioning pieces (7) in a sliding manner.

2. The camshaft gear drilling thread bottom hole clamping tool of claim 1, characterized in that: the rotating intermediate transmission piece (4) further comprises a ratchet mechanism (401) and a rotating driven gear (402), and the bottom of the rotating intermediate transmission piece (4) is coaxially connected with a group of rotating driven gears (402) through a group of ratchet mechanisms (401).

3. The camshaft gear drilling thread bottom hole clamping tool of claim 1, characterized in that: the operating piece (3) further comprises a positioning driving rack (302), the rear part of the left end face of the operating piece (3) is fixedly connected with a group of positioning driving racks (302), and the positioning driving racks (302) are meshed with the rotating driven gear (402) to form a gear-rack transmission mechanism together.

4. The camshaft gear drilling thread bottom hole clamping tool of claim 1, characterized in that: the rotating intermediate transmission member (4) further comprises a rotating driving gear (403), a group of rotating driving gears (403) are coaxially and fixedly connected to the top of the rotating intermediate transmission member (4), the gear fixing member (2) further comprises a rotating driven gear (201), a group of rotating driven gears (201) are coaxially and fixedly connected to the bottom of the gear fixing member (2), and the rotating driving gear (403) and the rotating driven gears (201) are meshed to form a gear transmission mechanism together.

5. The camshaft gear drilling thread bottom hole clamping tool of claim 1, characterized in that: the operating piece (3) is characterized by further comprising a rotating driving rack (301), a group of rotating driving racks (301) is fixedly connected in front of the left end face of the operating piece (3), the positioning intermediate transmission piece (5) is further comprising a positioning driven gear (501), a group of positioning driven gears (501) are fixedly connected coaxially with the top of the positioning intermediate transmission piece (5), and the rotating driving racks (301) and the positioning driven gears (501) are meshed to form a gear-rack transmission mechanism together.

6. The camshaft gear drilling thread bottom hole clamping tool of claim 1, characterized in that: the middle transmission part (5) is fixed a position still including location drive sprocket (502), the coaxial fixedly connected with in bottom of middle transmission part (5) a set of location drive sprocket (502), location driving piece (6) are still including location driven sprocket (601), the coaxial fixedly connected with in bottom of location driving piece (6) a set of location driven sprocket (601), the transmission is connected between location drive sprocket (502) and the location driven sprocket (601) and constitutes drive chain drive mechanism jointly.

7. The camshaft gear drilling thread bottom hole clamping tool of claim 1, characterized in that: the positioning piece (7) further comprises positioning rods (701), six groups of positioning rods (701) are fixedly connected with the positioning piece (7) in a circumferential array mode at the top of the positioning piece (7), the positioning piece (7) is connected with the base (1) in a sliding mode through the positioning rods (701), the gear fixing piece (2) further comprises positioning holes (202), six groups of positioning holes (202) are formed in the bottom circumferential array of the gear fixing piece (2), and the positioning rods (701) are connected with the positioning holes (202) in an inserting mode.

8. The camshaft gear drilling thread bottom hole clamping tool of claim 1, characterized in that: the positioning driving piece (6) further comprises a positioning lifting driving lead screw (602), the top of the positioning driving piece (6) is coaxially and fixedly connected with a group of positioning lifting driving lead screws (602), and the positioning lifting driving lead screws (602) are in threaded transmission connection with the positioning piece (7) to form a lead screw nut transmission pair together.

Technical Field

The invention belongs to the technical field of machining, and particularly relates to a clamping tool for drilling a threaded bottom hole of a camshaft gear.

Background

Camshaft gear is the important accessory in the car, and camshaft gear's terminal surface is provided with six threaded holes of evenly arranging, adopts dividing head centre gripping and carries out drilling processing through the drilling machine in the course of working generally.

Based on the aforesaid, the position of six screw bottom holes of group in use of the current processing mode of carrying out drilling processing through the drilling machine through dividing head centre gripping carries out the transposition operation through the dividing head, appears easily in the operation process and shakes the number of turns and the position mistake of handle and cause the graduation dislocation, leads to the drilling mistake, operates through the dividing head simultaneously, needs to shake many rings of handles, will remember the number of turns and the position of shaking simultaneously, troublesome poeration, and operating efficiency is than the low.

Therefore, in view of the above, research and improvement are performed on the existing structure and defects, and a clamping tool for drilling a threaded bottom hole of a camshaft gear is provided, so as to achieve a more practical purpose.

Disclosure of Invention

In order to solve the technical problems, the invention provides a camshaft gear drill thread bottom hole clamping tool, which aims to solve the problems that in the existing machining mode of clamping through a dividing head and drilling through a drilling machine, in use, the positions of six groups of thread bottom holes are subjected to transposition operation through the dividing head, indexing dislocation is easily caused by the number of turns and position errors of a rocking handle in the operation process, drilling errors are caused, meanwhile, multiple turns of handles need to be rocked through the dividing head for operation, the number of rocked turns and the positions need to be memorized, the operation is troublesome, and the operation efficiency is low.

The invention relates to a clamping tool for drilling a thread bottom hole of a cam shaft gear, which aims to achieve the following specific technical means:

a clamping tool for drilling thread bottom holes on cam shaft gears comprises a base; the top of the base is rotatably connected with a group of gear fixing pieces; the right side of the base is slidably connected with a group of operating pieces; a group of positioning intermediate transmission members are rotatably connected inside the right side of the base; the inner part on the right side of the base is rotatably connected with a group of rotating intermediate transmission parts; the inner side of the bottom of the base is rotatably connected with a group of positioning driving pieces; a group of positioning pieces are connected to the inner side of the bottom of the base in a sliding mode.

Furthermore, the rotating intermediate transmission member further comprises a ratchet mechanism and a rotating driven gear, and the bottom of the rotating intermediate transmission member is coaxially connected with a group of rotating driven gears through a group of ratchet mechanisms.

Furthermore, the operating part also comprises a positioning driving rack, the rear part of the left end face of the operating part is fixedly connected with a group of positioning driving racks, and the positioning driving racks and the rotating driven gear are meshed to form a gear rack transmission mechanism together.

Further, it still includes the rotation driving gear to rotate the intermediate transfer spare, and the coaxial fixedly connected with in top of rotating the intermediate transfer spare a set of rotation driving gear, and the gear mounting is still including rotating driven gear, and the coaxial fixedly connected with in bottom of gear mounting rotates driven gear, rotates the driving gear and rotates driven gear meshing and constitute gear drive jointly.

Furthermore, the operating part is still including rotating the drive rack, and left end face the place ahead fixedly connected with of operating part rotates the drive rack a set of, and location intermediate transfer spare is still including location driven gear, and the coaxial fixedly connected with in top of location intermediate transfer spare a set of location driven gear, rotates the drive rack and constitutes rack and pinion drive mechanism jointly with the meshing of location driven gear.

Further, the transmission member is still including the location drive sprocket in the middle of the location, and the coaxial fixedly connected with in bottom of the transmission member is a set of location drive sprocket in the middle of the location, and the location driving piece is still including location driven sprocket, and the coaxial fixedly connected with in bottom of location driving piece is a set of location driven sprocket, and the transmission is connected between location drive sprocket and the location driven sprocket and constitutes drive chain drive mechanism jointly.

Furthermore, the setting element is still including the locating lever, and six locating levers of fixedly connected with are arranged to the top circumference array of setting element, and the setting element passes through locating lever and base sliding connection, and the gear mounting is still including the locating hole, and six locating holes have been seted up to the bottom circumference array of gear mounting, and the locating lever is connected with the locating hole plug-in connection.

Furthermore, the positioning driving piece further comprises a positioning lifting driving lead screw, a group of positioning lifting driving lead screws are coaxially and fixedly connected to the top of the positioning driving piece, and the positioning lifting driving lead screws and the positioning pieces are in threaded transmission connection to form a lead screw nut transmission pair together.

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

the invention realizes that the gear fixing piece is driven to rotate for a certain angle when the operating piece is slid by adopting the transmission modes of the gear rack transmission mechanism, the ratchet mechanism, the gear transmission mechanism and the like, realizes the transposition action of the processed gear, realizes the fixation of the gear fixing piece by adopting the positioning piece, and realizes that the positioning piece is driven to lift to complete the positioning action when the operating piece slides by adopting the transmission modes of the gear rack transmission mechanism, the transmission chain transmission mechanism, the lead screw nut transmission pair and the like.

The gear fixing piece is driven to rotate by a certain angle when the operating piece is slid, the transposition action of the processed gear is realized, the positioning piece is driven to lift to complete the positioning action, the use is simple, the error can be effectively avoided, the consistency of the transposition angles is ensured, and the working efficiency can be greatly improved.

Drawings

FIG. 1 is a schematic diagram of an axial structure of the present invention.

Fig. 2 is a schematic diagram of the side structure of the transmission shaft of the present invention.

Fig. 3 is a schematic view of the structure of the side of the rotating shaft of the gear fixing member of the present invention.

FIG. 4 is a schematic side view of the positioning member drive shaft of the present invention.

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

1. a base; 2. a gear fixing member; 201. rotating the driven gear; 202. positioning holes; 3. an operating member; 301. rotating the drive rack; 302. positioning the driving rack; 4. rotating the intermediate transmission member; 401. a ratchet mechanism; 402. rotating the driven gear; 403. rotating the driving gear; 5. positioning the intermediate transmission member; 501. positioning the driven gear; 502. positioning a driving sprocket; 6. positioning a driving piece; 601. positioning the driven sprocket; 602. positioning a lifting driving screw rod; 7. a positioning member; 701. and (5) positioning the rod.

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.