CN212470572U

CN212470572U - Gear clamping positioning disc

Info

Publication number: CN212470572U
Application number: CN202021309921.3U
Authority: CN
Inventors: 张梁华
Original assignee: Suzhou Lianghua Gear Co ltd
Current assignee: Suzhou Lianghua Gear Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-02-05
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a gear clamping positioning disk, including the positioning disk body, the round hole has been seted up at the center of positioning disk body, first spout has been seted up to the upper surface of positioning disk body, the positioning disk body has the slider through first spout sliding connection, the last fixed surface of slider is connected with the positioning gear, the lateral wall laminating of slider has the screw rod, the surface of screw rod is equipped with the external screw thread, the one end fixedly connected with handle of slider is kept away from to the screw rod. The utility model discloses a removal of slider drives positioning gear synchronous motion, the clamping that has realized the gear by the meshing principle of gear is fixed, and the pitch circle centre of a circle that makes the gear aligns with the center of locating hole, so, with the fixed back of positioning disk, can utilize processing methods such as turning to process the centre bore of gear, and can guarantee the coaxial positioning of gear centre bore and gear reference circle, can satisfy the clamping location requirement that the gear centre bore adds man-hour, and easy operation is swift, and positioning accuracy is high.

Description

Gear clamping positioning disc

Technical Field

The utility model relates to a mechanical frock technical field especially relates to a gear clamping positioning disk.

Background

Gear transmission is one of the important mechanical transmission forms, and the manufacturing precision and the strength, the wear resistance and the like of the gear transmission directly influence the operation and the service life of a machine. Therefore, high precision, high strength, and good wear resistance are required. The heat treatment is needed in the processing process, and the deformation generated by the heat treatment damages the original processing precision, particularly the coaxiality error of the pitch circle and the central hole and the deformation error of the tooth surface, and can bring about extremely adverse influence on gear transmission. Some existing gears are manufactured by adopting a casting process, in order to achieve the designed precision, the requirement on a casting mold of the gears is very high, particularly, a center of the gears is generally provided with a center hole, the coaxiality requirement between the center hole of the gears and a reference circle of the gears is very high, the existing cast gears cannot meet the coaxiality requirement generally, and the center hole can be machined again by adopting machining modes such as turning and the like. When the lathe work gear centre bore, need adopt frock clamp fixed with the gear clamping, however, current frock clamp either the structure is complicated, and the operation is inconvenient, or can not process the frock clamp of multiple specification model, can not satisfy the needs of multiple model gear machining.

In view of this, research improvement is carried out to current problem, provides a gear clamping positioning disk.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a gear clamping positioning disc.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a gear clamping positioning disk comprises a positioning disk body, wherein a round hole is formed in the center of the positioning disk body, a first sliding groove is formed in the upper surface of the positioning disk body, the positioning disk body is connected with a sliding block through the first sliding groove in a sliding mode, a positioning gear is detachably connected to the upper surface of the sliding block, a screw rod is attached to the side wall of the sliding block, external threads are arranged on the outer surface of the screw rod, a handle is fixedly connected to one end, away from the sliding block, of the screw rod, a second sliding groove is formed in the upper surface of the positioning disk body, a fixing block is fixedly connected to the inner side wall, away from the round hole, of the second sliding groove, a positioning block is connected to the positioning disk body through the second sliding groove in a sliding mode, a spring is arranged between the positioning block and the fixing block, a third, the upper surface fixed connection of stopper has the spliced pole, the upper and lower face of slider runs through and threaded connection has the bolt, the bottom and the spliced pole threaded connection of bolt.

As a further description of the above technical solution:

the opposite side wall of the first sliding chute is provided with internal threads, and the internal threads are matched with the threads.

As a further description of the above technical solution:

the number of the positioning gears is three, and the three positioning gears are arranged in an annular array.

As a further description of the above technical solution:

the number of the positioning blocks is three, and the three positioning blocks are arranged in an annular array.

As a further description of the above technical solution:

and a notch is formed between the first sliding groove and the third sliding groove of the positioning plate body.

As a further description of the above technical solution:

one end of the spring is fixedly connected with the positioning block, and the other end of the spring is fixedly connected with the fixing block.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this gear clamping positioning disk uses through the cooperation of second spout, fixed block, locating piece, spring isotructure and can realize tentatively fixing to processing gear, and the location gear can be dismantled, can fix a position and the fixed gear of different specifications of clamping, and the usage is big, and the practicality is strong, reduction in production cost.

2. Compared with the prior art, the gear clamping positioning disk drives the positioning gear to synchronously move through the movement of the sliding block, the positioning and clamping fixation of the gear can be realized by utilizing the gear meshing principle, the operation is simple and rapid, and the positioning precision is high.

Drawings

Fig. 1 is a top view of a gear clamping positioning plate provided by the present invention;

fig. 2 is a schematic connection diagram of a slider and a limiting block of the gear clamping positioning disk provided by the utility model;

fig. 3 is the utility model provides a positioning block of gear clamping positioning disk and the schematic structure of positioning disk body.

Illustration of the drawings:

1. a positioning plate body; 2. a first chute; 3. a slider; 4. a bolt; 5. positioning a gear; 6. a screw; 7. a handle; 8. a second chute; 9. positioning blocks; 10. a fixed block; 11. a spring; 12. a circular hole; 13. an external thread; 14. connecting columns; 15. an internal thread; 16. a third chute; 17. a limiting block; 18. and (4) a notch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the utility model provides a pair of gear clamping positioning disk: the positioning disc comprises a positioning disc body 1, a circular hole 12 is formed in the center of the positioning disc body 1, a first sliding groove 2 is formed in the upper surface of the positioning disc body 1, a sliding block 3 is connected to the positioning disc body 1 in a sliding mode through the first sliding groove 2, a positioning gear 5 is detachably connected to the upper surface of the sliding block 3, a screw 6 is attached to the side wall of the sliding block 3, external threads 13 are formed in the outer surface of the screw 6, a handle 7 is fixedly connected to one end, away from the sliding block 3, of the screw 6, a second sliding groove 8 is formed in the upper surface of the positioning disc body 1, a fixing block 10 is fixedly connected to the inner side wall, away from the circular hole 12, of the second sliding groove 8, a positioning block 9 is connected to the positioning disc body 1 in a sliding mode through the second sliding groove 8, a spring 11 is arranged between the positioning block, the upper surface of the limiting block 17 is fixedly connected with a connecting column 14, the upper surface and the lower surface of the sliding block 3 are penetrated and are in threaded connection with a bolt 4, and the bottom of the bolt 4 is in threaded connection with the connecting column 14.

The opposite side walls of the first sliding chute 2 are provided with internal threads 15, and the internal threads 15 are matched with the external threads 13. The positioning plate body 1 is provided with a gap 18 between the first sliding chute 2 and the third sliding chute 16. One end of the spring 11 is fixedly connected with the positioning block 9, and the other end of the spring 11 is fixedly connected with the fixing block 10. The number of the positioning gears 5 is three, and the three positioning gears 5 are arranged in an annular array. The number of the positioning blocks 9 is three, and the three positioning blocks 9 are arranged in an annular array. The cooperation through structures such as second spout 8, fixed block 10, locating piece 9, spring 11 is used and can be realized tentatively fixing to processing gear, and positioning gear 5 can be dismantled, can fix a position with the fixed gear of different specifications of clamping, and the usage is big, and the practicality is strong, reduction in production cost. Through the removal of slider 3, drive positioning gear 5 synchronous movement, utilize the gear meshing principle, can realize fixing the location and the clamping of gear to easy operation is swift, and positioning accuracy is high.

The working principle is as follows: when the positioning disc is used, a gear to be machined is placed in the middle of the positioning disc body 1, the positioning block 9 is pushed to slide in the second sliding groove 8, the machined gear is preliminarily positioned by utilizing the elasticity of the spring 11, then the positioning gear 5 on the sliding block 3 is replaced by the positioning gear 5 matched with the machined gear, then the handle 7 is rotated to drive the screw rod 6 to synchronously rotate, the other end of the screw rod 6 pushes the sliding block 3 to move towards the machined gear on the first sliding groove 2, the bolt 4 is connected with the sliding block 3 and the connecting column 14, the limiting block 17 can synchronously move on the third sliding groove 16 and the sliding block 3, when the machined gear is meshed with the positioning gear 5, the bolt 4 is rotated, at the moment, the sliding block 3 and the limiting block 17 are tightened and fixed at a certain position of the positioning disc body 1, so that the positioning and clamping and fixing of the machined gear are realized, when gears of other models and specifications are, the positioning gear 5 is replaced again, the positioning is performed again, the operation is simple and fast, and the positioning precision is high.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a gear clamping positioning disk, includes positioning disk body (1), its characterized in that: the positioning disc comprises a positioning disc body (1), and is characterized in that a round hole (12) is formed in the center of the positioning disc body (1), a first sliding groove (2) is formed in the upper surface of the positioning disc body (1), the positioning disc body (1) is connected with a sliding block (3) through the first sliding groove (2) in a sliding mode, a positioning gear (5) is detachably connected to the upper surface of the sliding block (3), a screw rod (6) is attached to the side wall of the sliding block (3), external threads (13) are formed in the outer surface of the screw rod (6), a handle (7) is fixedly connected to one end, far away from the sliding block (3), of the screw rod (6), a second sliding groove (8) is formed in the upper surface of the positioning disc body (1), a fixing block (10) is fixedly connected to the inner side wall, far away from the round hole (12), of the, be provided with spring (11) between locating piece (9) and fixed block (10), third spout (16) have been seted up on the bottom surface of first spout (2), positioning disk body (1) has stopper (17) through third spout (16) sliding connection, the last fixed surface of stopper (17) is connected with spliced pole (14), the last lower surface of slider (3) runs through and threaded connection has bolt (4), the bottom and spliced pole (14) threaded connection of bolt (4).

2. The gear clamping positioning plate according to claim 1, wherein: the opposite side wall of the first sliding chute (2) is provided with an internal thread (15), and the internal thread (15) is matched with the external thread (13).

3. The gear clamping positioning plate according to claim 1, wherein: the number of the positioning gears (5) is three, and the three positioning gears (5) are arranged in an annular array.

4. The gear clamping positioning plate according to claim 1, wherein: the number of the positioning blocks (9) is three, and the three positioning blocks (9) are arranged in an annular array.

5. The gear clamping positioning plate according to claim 1, wherein: a gap (18) is formed between the first sliding chute (2) and the third sliding chute (16) of the positioning plate body (1).

6. The gear clamping positioning plate according to claim 1, wherein: one end of the spring (11) is fixedly connected with the positioning block (9), and the other end of the spring (11) is fixedly connected with the fixing block (10).