CN214560192U

CN214560192U - Positioning clamp for inner gear sleeve of drum-shaped gear coupling

Info

Publication number: CN214560192U
Application number: CN202023308027.7U
Authority: CN
Inventors: 潘长金; 魏志虎
Original assignee: Maanshan Lixin Machinery Manufacturing Co ltd
Current assignee: Maanshan Lixin Machinery Manufacturing Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-02
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a positioning fixture technical field just discloses a positioning fixture that is used for interior tooth sleeve of cydariform tooth-like shaft coupling, which comprises a connecting seat, the top fixedly connected with fixed block of connecting seat, the top fixedly connected with three-jaw chuck of fixed block, two sliding holes have been seted up on the three-jaw chuck, equal sliding connection has the sliding plate in two sliding holes, two sliding plates one end that are close to each other all seted up three-jaw chuck in and fixedly connected with arc splint, the constant head tank has all been seted up at the top of two sliding plates, equal fixedly connected with locating piece on the top inner wall of two sliding holes, and two locating pieces respectively with corresponding constant head tank sliding connection, the shifting chute has been seted up at the top of connecting seat, sliding connection has two movable plates in the shifting chute. The utility model discloses a removal and location convenience to two arc splint press from both sides tightly the work piece of equidimension not, have reduced its limitation, have made things convenient for the processing of work piece, have satisfied user's needs.

Description

Positioning clamp for inner gear sleeve of drum-shaped gear coupling

Technical Field

The utility model relates to a positioning fixture technical field especially relates to a positioning fixture that is used for interior tooth cover of cydariform tooth-like shaft coupling.

Background

In the process of machining the inner gear sleeve of the drum-shaped tooth type coupling by adopting the tool clamp, the relative position of the gear and the flange hole is generally not considered in common occasions in the prior art when the flange hole is machined after the gear is machined, so that the traditional tool clamp only needs to clamp and fix a workpiece.

The application numbers are: 201310649262.6 discloses a locating clamp for the inner gear sleeve of a crowned tooth coupling. The three-jaw chuck is provided with three jaws capable of moving radially, clamping surfaces of the three jaws are of a stepped structure, the clamping surfaces of the three jaws are located on the inner sides of the jaws, the top of at least one clamping surface of at least one jaw is provided with a radial guide groove, a guide block is arranged in the guide groove, the width of the rear end of the guide block is matched with the width of the guide groove to move back and forth along the guide groove, and the front end of the guide block is provided with a positioning head adaptive to tooth grooves of internal teeth. After the structure is adopted, in the clamping and positioning process, the positioning head arranged at the front end of the guide block can be pressed in the tooth grooves of the inner teeth, so that the teeth can be used as the reference for processing and positioning in the subsequent processing (flange holes on the end surface).

However, in the use process of the tool clamp, the tool clamp can only clamp one type of workpiece, cannot be suitable for workpieces with different sizes, is large in limitation, and cannot meet the requirements of users.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art at the in-process that uses, frock clamp can only press from both sides tightly the work piece of a type, can not be applicable to the work piece of variation in size, and the limitation is big, can not satisfy the problem of user's needs, and the positioning fixture who is used for interior tooth cover of drum-shaped tooth formula shaft coupling that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a positioning fixture for an inner gear sleeve of a drum-shaped tooth-type coupler comprises a connecting seat, wherein the top of the connecting seat is fixedly connected with a fixed block, the top of the fixed block is fixedly connected with a three-jaw chuck, the three-jaw chuck is provided with two sliding holes, sliding plates are respectively and slidably connected in the two sliding holes, one ends of the two sliding plates, which are close to each other, are respectively provided with a three-jaw chuck and arc-shaped clamping plates, the tops of the two sliding plates are respectively provided with a positioning groove, the inner walls of the tops of the two sliding holes are respectively and fixedly connected with a positioning block, the two positioning blocks are respectively and slidably connected with the corresponding positioning grooves, the top of the connecting seat is provided with a moving groove, the moving groove is internally and slidably connected with two moving plates, the top ends of the two moving plates respectively extend to the upper part of the connecting seat and are fixedly connected with the bottoms of the two corresponding sliding plates, one side inner wall of the moving groove is provided with a rotating groove, the rotation hole has been seted up to one side of connecting seat, the rotation hole communicates with the shifting chute mutually, and rotate the hole, the shifting chute is connected with same two-way lead screw with the rotation inslot internal rotation, the one end of two-way lead screw run through two movable plates and with corresponding movable plate threaded connection, the other end fixedly connected with reset spring of two-way lead screw, reset spring keeps away from the one end fixedly connected with connecting plate of two-way lead screw, one side fixedly connected with fixing clip pole that the connecting plate is close to the connecting seat, fixing clip groove has been seted up to one side of connecting seat, and fixing clip pole keeps away from the one end of connecting plate and clamps mutually with fixing clip groove.

Preferably, a limiting groove is formed in the top of the bidirectional screw rod, a limiting block is fixedly connected to the bottom of the fixing clamping rod, and the limiting block is connected with the limiting groove in a sliding mode.

Preferably, one side fixedly connected with coupling spring of stopper, coupling spring keep away from the one end of stopper and the one side inner wall fixed connection of spacing groove.

Preferably, the inner ring of the first bearing is fixedly connected with the inner ring of the bidirectional screw rod.

Preferably, the outer ring of the second bearing is fixedly connected in the rotating hole, and the bidirectional screw rod is fixedly connected with the inner ring of the second bearing.

Preferably, the number of the fixed clamping grooves is multiple, and the fixed clamping grooves are distributed on the connecting seat in an annular shape at equal intervals.

Compared with the prior art, the utility model provides a positioning fixture that is used for interior tooth cover of cydariform tooth-like shaft coupling possesses following beneficial effect:

1. according to the positioning clamp for the inner gear sleeve of the drum-shaped tooth type coupler, the connecting plate is pulled firstly, the connecting plate stretches the return spring, energy is absorbed through the return spring, meanwhile, the connecting plate drives the fixed clamping rod to move, the limiting block compresses the connecting spring, the energy is absorbed through the connecting spring, the fixed clamping rod is moved out of the fixed clamping groove, and the fixation of the bidirectional screw rod is released;

2. according to the positioning clamp for the inner gear sleeve of the drum-shaped gear coupling, the connecting plate is rotated to drive the bidirectional screw rod to rotate, the bidirectional screw rod drives the two movable plates to move, the two movable plates drive the two sliding plates to move, the two sliding plates drive the two arc-shaped clamping plates to move, the two arc-shaped clamping plates clamp a workpiece, after clamping, the connecting plate is loosened, the fixed clamping rod is clamped into the fixed clamping groove under the spring rebounding acting force of the reset spring and the connecting spring, the bidirectional screw rod is fixed, and the two arc-shaped clamping plates are fixed;

and the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses a removal and the location convenience to two arc splint press from both sides tightly the work piece of equidimension not, have reduced its limitation, have made things convenient for the processing of work piece, have satisfied user's needs.

Drawings

Fig. 1 is a schematic structural view of a positioning fixture for an inner gear sleeve of a drum-shaped gear coupling according to the present invention;

fig. 2 is a schematic structural view of a portion a of a positioning fixture for an inner gear sleeve of a drum-shaped gear coupling according to the present invention;

fig. 3 is a schematic structural diagram of a part B of a positioning fixture for an inner gear sleeve of a drum-shaped gear coupling according to the present invention.

In the figure: the device comprises a connecting seat 1, a fixing block 2, a three-jaw chuck 3, a sliding hole 4, a sliding plate 5, an arc-shaped clamping plate 6, a positioning groove 7, a positioning block 8, a moving groove 9, a moving plate 10, a rotating groove 11, a rotating hole 12, a bidirectional screw rod 13, a reset spring 14, a connecting plate 15, a fixing clamping rod 16, a fixing clamping groove 17, a limiting groove 18, a limiting block 19 and a connecting spring 20.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a positioning fixture for an inner gear sleeve of a drum-shaped gear coupling comprises a connecting seat 1, a fixed block 2 is fixedly connected to the top of the connecting seat 1, a three-jaw chuck 3 is fixedly connected to the top of the fixed block 2, two sliding holes 4 are formed in the three-jaw chuck 3, sliding plates 5 are respectively and slidably connected to the two sliding holes 4, arc-shaped clamping plates 6 are respectively and fixedly connected to the three-jaw chuck 3 at the ends of the two sliding plates 5 close to each other, positioning grooves 7 are respectively formed at the tops of the two sliding plates 5, positioning blocks 8 are respectively and slidably connected to the corresponding positioning grooves 7 on the inner walls of the tops of the two sliding holes 4, a moving groove 9 is formed at the top of the connecting seat 1, two moving plates 10 are slidably connected to the moving groove 9, the top ends of the two moving plates 10 extend to the upper side of the connecting seat 1 and are fixedly connected to the bottoms of the corresponding two sliding plates 5, the rotating groove 11 has been seted up on one side inner wall of shifting chute 9, rotating hole 12 has been seted up to one side of connecting seat 1, rotating hole 12 is linked together with shifting chute 9, and rotating hole 12, shifting

chute

9 and 11 internal rotations of rotating groove are connected with same two-way lead screw 13, the one end of two-way lead screw 13 runs through two movable plates 10 and with corresponding movable plate 10 threaded connection, the other end fixedly connected with reset spring 14 of two-way lead screw 13, reset spring 14 keeps away from the one end fixedly connected with connecting plate 15 of two-way lead screw 13, one side fixedly connected with fixing clip pole 16 that connecting plate 15 is close to connecting seat 1, fixing clip groove 17 has been seted up to one side of connecting seat 1, and fixing clip pole 16 keeps away from the one end of connecting plate 15 and clamps mutually with fixing clip groove 17.

The utility model discloses in, spacing groove 18 has been seted up at the top of two-way lead screw 13, and the bottom fixedly connected with stopper 19 of fixing clip pole 16, and stopper 19 and 18 sliding connection of spacing groove.

The utility model discloses in, one side fixedly connected with coupling spring 20 of stopper 19, coupling spring 20 keep away from one side inner wall fixed connection of one end and spacing groove 18 of stopper 19.

The utility model discloses in, the outer lane of the first bearing of fixedly connected with in the rotation groove 11, and the inner circle fixed connection of two-way lead screw 13 and first bearing.

The utility model discloses in, the outer lane of fixedly connected with second bearing in the rotation hole 12, and the inner circle fixed connection of two-way lead screw 13 and second bearing.

The utility model discloses in, fixed slot 17's quantity is a plurality of, and a plurality of fixed slot 17 are the annular equidistance and distribute on connecting seat 1.

In the utility model, when in use, the connecting plate 15 is pulled first, the connecting plate 15 stretches the reset spring 14, energy is absorbed by the reset spring 14, at the same time, the connecting plate 15 drives the fixing clamping rod 16 to move, the fixing clamping rod 16 drives the stopper 19 to slide in the limiting groove 18, the stopper 19 compresses the connecting spring 20, the fixing clamping rod 16 is moved out of the fixing clamping groove 17 by the energy absorption of the connecting spring 20, the fixation of the bidirectional screw rod 13 is released, then the connecting plate 15 is rotated, the connecting plate 15 drives the bidirectional screw rod 13 to rotate, the bidirectional screw rod 13 drives the two movable plates 10 to move, the two movable plates 10 drive the two sliding plates 5 to move, the two positioning blocks 8 limit the two sliding plates 5, at the same time, the two sliding plates 5 drive the two arc-shaped clamping plates 6 to move, the two arc-shaped clamping plates 6 clamp the workpiece tightly, after clamping, the connecting plate 15 is loosened, under the spring resilience effort through reset spring 14 and connecting spring 20, make fixing clip 16 card go into fixing clip groove 17 in, fix two-way lead screw 13, to two arc splint 6 fix can to the removal and the location convenience to two arc splint 6 press from both sides tightly the work piece of equidimension not, have reduced its limitation, have made things convenient for the processing of work piece, have satisfied user's needs.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A positioning fixture for a gear sleeve in a drum-shaped gear coupling comprises a connecting seat (1) and is characterized in that the top of the connecting seat (1) is fixedly connected with a fixed block (2), the top of the fixed block (2) is fixedly connected with a three-jaw chuck (3), the three-jaw chuck (3) is provided with two sliding holes (4), sliding plates (5) are respectively and slidably connected in the two sliding holes (4), one ends of the two sliding plates (5) close to each other are respectively provided with the three-jaw chuck (3) and fixedly connected with an arc-shaped clamping plate (6), the tops of the two sliding plates (5) are respectively provided with a positioning groove (7), the inner walls of the tops of the two sliding holes (4) are respectively and fixedly connected with positioning blocks (8), the two positioning blocks (8) are respectively and slidably connected with the corresponding positioning grooves (7), and the top of the connecting seat (1) is provided with a moving groove (9), two moving plates (10) are connected in the moving groove (9) in a sliding manner, the top ends of the two moving plates (10) extend to the upper part of the connecting seat (1) and are fixedly connected with the bottoms of the two corresponding sliding plates (5), a rotating groove (11) is formed in the inner wall of one side of the moving groove (9), a rotating hole (12) is formed in one side of the connecting seat (1), the rotating hole (12) is communicated with the moving groove (9), the rotating hole (12), the moving groove (9) and the rotating groove (11) are rotatably connected with the same bidirectional screw rod (13), one end of the bidirectional screw rod (13) penetrates through the two moving plates (10) and is in threaded connection with the corresponding moving plates (10), a reset spring (14) is fixedly connected to the other end of the bidirectional screw rod (13), a connecting plate (15) is fixedly connected to one end, far away from the bidirectional screw rod (13), and a fixed clamping rod (16) is fixedly connected to one side, close to the connecting plate (15), and close to the connecting seat (1), one side of the connecting seat (1) is provided with a fixed clamping groove (17), and one end of the fixed clamping rod (16) far away from the connecting plate (15) is clamped with the fixed clamping groove (17).

2. The positioning fixture for the inner gear sleeve of the drum-shaped tooth type coupling according to claim 1, wherein a limiting groove (18) is formed in the top of the bidirectional screw rod (13), a limiting block (19) is fixedly connected to the bottom of the fixed clamping rod (16), and the limiting block (19) is slidably connected with the limiting groove (18).

3. The positioning fixture for the inner gear sleeve of the drum type tooth coupling as claimed in claim 2, wherein a connecting spring (20) is fixedly connected to one side of the limiting block (19), and one end of the connecting spring (20) far away from the limiting block (19) is fixedly connected to the inner wall of one side of the limiting groove (18).

4. The positioning fixture for the inner gear sleeve of the crowned coupling according to claim 1, characterized in that the outer ring of the first bearing is fixedly connected in the rotating groove (11), and the bidirectional screw rod (13) is fixedly connected with the inner ring of the first bearing.

5. The positioning fixture for the inner gear sleeve of the crowned coupling according to claim 1, characterized in that the outer ring of the second bearing is fixedly connected inside the rotation hole (12), and the bidirectional screw rod (13) is fixedly connected with the inner ring of the second bearing.

6. The positioning fixture for the inner gear sleeve of the drum type gear coupling as claimed in claim 1, wherein the number of the fixing clamping grooves (17) is plural, and the plural fixing clamping grooves (17) are distributed on the connecting base (1) in an annular shape at equal intervals.