CN217801303U

CN217801303U - Novel high-efficient positioning fixture

Info

Publication number: CN217801303U
Application number: CN202221942753.0U
Authority: CN
Inventors: 山建强; 潘东彪
Original assignee: Changshu Hengkang Machinery Manufacturing Co ltd
Current assignee: Changshu Hengkang Machinery Manufacturing Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-11-15
Anticipated expiration: 2032-07-27

Abstract

The utility model belongs to the technical field of the work piece processing technique and specifically relates to a novel high-efficient positioning fixture to the problem that current production machining efficiency is low, now proposes following scheme, and it includes the box, the inside of box is provided with the supporting seat, four slide bars that are ring array and distribute, four are installed at the top of supporting seat the outside of slide bar all has the locating piece with supporting seat top butt in the sliding joint, the top of supporting seat is rotated and is connected with the drive shaft, the externally mounted of drive shaft has and is used for driving four locating pieces along the actuating mechanism of respective slide bar outside removal, and the below of drive shaft is provided with and is used for driving its pivoted link gear, the below of supporting seat is provided with elevating system, in order to be used for driving the supporting seat and reciprocate. The utility model discloses can advance line location to it before stator core processing to location easy operation, it is efficient, the staff of being convenient for takes off the stator core that processing was accomplished, thereby has improved this positioning fixture's functionality.

Description

Novel high-efficient positioning fixture

Technical Field

The utility model relates to a work piece processing field especially relates to a novel high-efficient positioning fixture.

Background

The stator core is an important part of the stator and also a main component of the magnetic circuit of the motor, and the stator core and the air gap between the rotor core and the stator form a complete magnetic circuit of the motor together. In an asynchronous motor, magnetic flux in a stator core is alternated, so that core loss is generated, and a positioning clamp is required to limit and support a stator lamination during lamination processing.

At present stator core is folding and is pressing the processing back, because positioning fixture is in its inboard, leads to stator core to take out inconveniently, for this reason, this scheme has provided a novel high-efficient positioning fixture.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of novel high-efficient positioning fixture has solved among the prior art stator core and has folded and press the problem that positioning fixture influences its taking out after processing.

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

the utility model provides a novel high-efficient positioning fixture, the power distribution box comprises a box body, the inside of box is provided with the supporting seat, four slide bars that are the ring array and distribute, four are installed at the top of supporting seat the outside of slide bar all sliding joint have with the locating piece of supporting seat top butt, the top of supporting seat is rotated and is connected with the drive shaft, the externally mounted of drive shaft has and is used for driving four locating pieces along the actuating mechanism of respective slide bar outside removal, the drive shaft runs through the supporting seat setting, and the below of drive shaft is provided with and is used for driving its pivoted link gear, the below of supporting seat is provided with elevating system, reciprocates in order to be used for driving the supporting seat.

Preferably, the top of the box body is provided with four penetrating grooves corresponding to the four positioning blocks, and the four positioning blocks respectively penetrate through the four penetrating grooves and are respectively in sliding connection with the four penetrating grooves.

Preferably, actuating mechanism is including cup jointing on the outside disc of drive shaft and rigid coupling on the disc lateral wall, and be four arc type drive blocks that the annular array is respectively, actuating mechanism still including respectively the sliding joint four outside sliding sleeves of four slide bars, rotate respectively and connect four gyro wheels that four sliding sleeves are close to disc one end and overlap respectively and establish four outside springs of four slide bars, four arc type drive block cooperatees with four gyro wheels respectively, four the sliding sleeve respectively with four locating piece rigid couplings, four the equal rigid coupling of one end that the disc was kept away from to the slide bar has the fixed block with supporting seat top rigid coupling, the one end of spring and the outer wall rigid coupling of fixed block, the other end of spring and the outer wall rigid coupling of locating piece.

Preferably, the link gear includes the casing of rotation connection outside the drive shaft, rotates the transmission shaft of connection on casing one side inner wall, cup joints respectively outside the drive shaft and the outside two first bevel gears of transmission shaft, rigid coupling extend to the gear of the outside one end of casing at the transmission shaft, the striation of rigid coupling on bottom half inner wall and the rack of rigid coupling at striation top, two mesh between the first bevel gear, and all be located the inside of casing, wheel and rack toothing, the inside of transmission shaft one side is kept away from to the casing runs through along vertical direction and has seted up the spacing groove, the rigid coupling has spacing on the inner wall of bottom half, the top of spacing extends to the inside of spacing groove, and with spacing groove sliding connection.

Preferably, elevating system is including rotating four swivel nuts of connection on bottom half inner wall respectively and four screws of spiro union in four swivel nuts inside respectively, four the swivel nut is located the inside position that is close to four turnings of box respectively, connects through the transmission subassembly transmission between two adjacent swivel nuts, the transmission subassembly is including cup jointing respectively at wherein two outside drive wheels of swivel nut and the belt of transmission connection in two outside drive wheels, elevating system still is including being used for driving one of them swivel nut pivoted power pack.

Preferably, the power assembly comprises a motor installed on the outer wall of one side of the box body, one end of the output shaft of the motor extends into the box body, the power assembly further comprises two second bevel gears respectively sleeved outside the output shaft of the motor and outside one of the thread sleeves, and the two second bevel gears are meshed with each other.

The utility model has the advantages that:

1. this positioning fixture can fix a position it fast before stator core processing to location easy operation, it is efficient, further avoided stator core to fold the problem that the processing skew appears.

2. This positioning fixture folds and presses the processing at stator core and accomplishes the back, is convenient for drive four location and stator core's inner wall break away from and shift out stator core's inboard completely to the staff of being convenient for takes off the stator core that the processing was accomplished, thereby has improved this positioning fixture's functionality.

The utility model discloses it is rational in infrastructure, can advance line location to it before stator core processing to location easy operation, it is efficient, the staff of being convenient for takes off the stator core that processing was accomplished, thereby improved this positioning fixture's functionality.

Drawings

Fig. 1 is a front view of the internal structure of the present invention.

Fig. 2 is a top view of the driving mechanism of the present invention.

Fig. 3 is a top view of the slot and the positioning block of the present invention.

Fig. 4 is a front sectional view of the linkage mechanism of the present invention.

Reference numbers in the figures: 1. a box body; 2. a supporting base; 3. a slide bar; 4. positioning a block; 5. a drive shaft; 6. penetrating a groove; 7. a disc; 8. an arc type driving block; 9. a sliding sleeve; 10. a roller; 11. a spring; 12. a housing; 13. a drive shaft; 14. a first bevel gear; 15. a gear; 16. a light bar; 17. a rack; 18. a limiting groove; 19. a limiting strip; 20. a threaded sleeve; 21. a screw; 22. a motor; 23. a second bevel gear.

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.

Referring to fig. 1-4, a novel efficient positioning fixture comprises a box 1, a supporting seat 2 is arranged inside the box 1, four sliding rods 3 distributed in an annular array are mounted at the top of the supporting seat 2, positioning blocks 4 abutting against the tops of the supporting seat 2 are slidably connected to the outsides of the four sliding rods 3, positioning strips are fixedly connected to the outer walls of the sides of the four positioning blocks 5 far away from one side, the positioning strips are matched with punching grooves in the inner sides of stator laminations, so that the stator laminations can be positioned, a driving shaft 5 is rotatably connected to the tops of the supporting seat 2, a driving mechanism for driving the four positioning blocks 4 to move along the outsides of the respective sliding rods 3 is mounted outside the driving shaft 5, the driving shaft 5 penetrates through the supporting seat 2, a linkage mechanism for driving the driving shaft 5 to rotate is arranged below the driving shaft 5, a lifting mechanism is arranged below the supporting seat 2, the lifting mechanism is arranged below the supporting seat 2 and used for driving the supporting seat 2 to move up and down, firstly, a worker sleeves the stator core around the four positioning blocks 4 outside the four positioning blocks 4, and presses the stator cores by an external device, after the stator cores are pressed and moved downwards, the lifting mechanism drives the positioning blocks 2 to move downwards, and the positioning blocks 4 to move downwards along the horizontal plane of the box, and the positioning blocks 4, thereby facilitating the lifting mechanism to move upwards and the stator cores to move downwards, the four positioning blocks 4 move upwards synchronously, and then the driving shaft 5 is driven to rotate clockwise by matching with the linkage mechanism, so that the four positioning blocks 4 are driven to be away from each other by matching with the driving mechanism, and the four positioning blocks 4 are driven to support and position the stator core again;

the top of the box body 1 is provided with through grooves 6 corresponding to the four positioning blocks 4, the four positioning blocks 4 respectively penetrate through the four through grooves 6 and are respectively in sliding connection with the four through grooves 6, and the positioning blocks 4 can horizontally move along the inner walls of the through grooves 6 and can also vertically move along the inner walls of the through grooves 6;

the driving mechanism comprises a disc 7 sleeved outside the driving shaft 5, four arc-shaped driving blocks 8 fixedly connected to the side wall of the disc 7 and respectively arranged in an annular array, the driving mechanism further comprises four sliding sleeves 9 respectively connected to the outsides of the four sliding rods 3 in a sliding manner, four rolling wheels 10 respectively connected to one ends, close to the disc 7, of the four sliding sleeves 9 in a rotating manner, and four springs 11 respectively sleeved on the outsides of the four sliding rods 3, the four arc-shaped driving blocks 8 are respectively matched with the four rolling wheels 10, the four sliding sleeves 9 are respectively fixedly connected with the four positioning blocks 4, one ends, far away from the disc 7, of the four sliding rods 3 are fixedly connected with the fixing blocks fixedly connected with the tops of the supporting seats 2, one ends of the springs 11 are fixedly connected with the outer walls of the fixing blocks, the other ends of the springs 11 are fixedly connected with the outer walls of the positioning blocks 4, and the supporting seats 2 drive the driving shaft 5 to rotate anticlockwise through the matching with the linkage mechanism when moving downwards, thereby driving the arc-shaped driving block 8 outside the disc 7 to synchronously rotate, respectively driving the four positioning blocks 4 to approach each other along the outer wall of each sliding rod 3 through the elastic action of the four springs 11, thereby the inner side of the stator core is not positioned any more, and the stator core moves downwards at the same time, when the working personnel need to carry out the laminating processing of the stator core, firstly, the supporting seat 2 is driven to move upwards, and simultaneously the driving shaft 5 is driven to rotate clockwise by matching with the linkage mechanism, thereby driving the arc-shaped driving block 8 outside the disc 7 to synchronously rotate, respectively driving the four sliding sleeves 9 to mutually separate along the outer walls of the respective sliding rods 3 through the action that the four arc-shaped driving blocks 8 are respectively abutted with the four rollers 10, the four positioning blocks 4 are driven to be away from each other, and the four positioning blocks 4 are driven by the supporting seat 2 to move upwards while being away from each other, so that the stator core can be positioned when being laminated;

the linkage mechanism comprises a shell 12 which is rotationally connected with the outside of the driving shaft 5, a transmission shaft 13 which is rotationally connected with the inner wall at one side of the shell 12, two first bevel gears 14 which are respectively sleeved with the outside of the driving shaft 5 and the outside of the transmission shaft 13, a gear 15 which is fixedly connected with one end of the transmission shaft 13 which extends to the outside of the shell 12, a light strip 16 which is fixedly connected with the inner wall at the bottom of the box body 1 and a rack 17 which is fixedly connected with the top of the light strip 16, wherein the two first bevel gears 14 are engaged with each other and are positioned in the shell 12, the gear 15 is engaged with the rack 17, a limiting groove 18 is vertically penetrated through the inner part of one side of the shell 12 far away from the transmission shaft 13, a limiting strip 19 is fixedly connected with the inner wall at the bottom of the box body 1, the top of the limiting strip 19 extends to the inner part of the limiting groove 18 and is in sliding connection with the limiting groove 18, and when the driving shaft 5 is driven by the supporting seat 2 to move downwards, the transmission shaft 13 on the shell 12 is driven to synchronously move, the transmission shaft 13 is driven to rotate under the meshing action of the gear 15 and the rack 17, the driving shaft 5 is driven to rotate anticlockwise under the meshing action of the two first bevel gears 14, the gear 15 is not meshed with the rack 17 when continuously moving downwards, the transmission shaft 13 stops rotating along with the gear, and the driving shaft 5 stops rotating;

the lifting mechanism comprises four threaded sleeves 20 which are respectively rotatably connected to the inner wall of the bottom of the box body 1 and four screw rods 21 which are respectively in threaded connection with the inner portions of the four threaded sleeves 20, the four threaded sleeves 20 are respectively located at positions close to four corners inside the box body 1, the two adjacent threaded sleeves 20 are in transmission connection through a transmission component, the transmission component comprises a transmission wheel which is respectively sleeved outside the two threaded sleeves 20 and a belt which is in transmission connection with the outer portions of the two transmission wheels, the lifting mechanism further comprises a power component which is used for driving one of the threaded sleeves 20 to rotate, the power component comprises a motor 22 which is installed on the outer wall of one side of the box body 1, one end of an output shaft of the motor 22 extends to the inside of the box body 1, the power component further comprises two second bevel gears 23 which are respectively sleeved outside an output shaft of the motor 22 and outside one of the threaded sleeves 20, the two second bevel gears 23 are meshed, the second bevel gears 23 outside the output shaft are driven to rotate through the starting motor 22, one of the two second bevel gears 23 drive one of the threaded sleeves 20 to rotate, the four threaded sleeves 20 to synchronously rotate through the connection of the transmission wheels and the four threaded sleeves 20 to drive the four screw rods 21 to move downwards, and the screw rods 2 to move downwards, and the four screw rods 2 to move upwards through the supporting seats, and vice versa.

The working principle is as follows: firstly, an operator sleeves a stator core on the outer sides of four positioning blocks 4, and stacks a plurality of stator cores through external equipment, after the stator cores are stacked, the lifting mechanism drives the supporting seat 2 to move downwards so as to drive the positioning blocks 4 to move downwards synchronously, and meanwhile, when the supporting seat 2 drives the driving shaft 5 to move downwards, the driving shaft 13 on the shell 12 is driven to move synchronously, the driving shaft 13 is driven to rotate through the meshing action of the gear 15 and the rack 17, the driving shaft 5 is driven to rotate anticlockwise through the meshing action between the two first bevel gears 14, and further the arc-shaped driving block 8 outside the disc 7 is driven to rotate synchronously, and through the elastic action of the four springs 11, so that the four positioning blocks 4 are driven to be separated from the stator core along the outer walls of the respective sliding rods 3, and the four positioning blocks 4 continue to move downwards until the tops of the positioning blocks 4 are positioned on the inner sides of the through grooves 6, so that the operator can take down the processed stator cores from the top of the box 1, when the operator needs to stack the stator cores again, the stator cores are driven to move upwards through the lifting mechanism, the four positioning blocks 4 move upwards, and then the four positioning blocks 4 are linked and matched with the driving mechanism, and the driving shaft 5 drives the positioning blocks 4 to drive the positioning block 4 to rotate again, so as to support the stator cores to move, and further to keep away from the stator cores.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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. The utility model provides a novel high-efficient positioning fixture, includes box (1), its characterized in that, the inside of box (1) is provided with supporting seat (2), four slide bar (3) that are the ring array and distribute are installed at the top of supporting seat (2), four the outside of slide bar (3) all has sliding connection to have locating piece (4) with supporting seat (2) top butt, the top of supporting seat (2) is rotated and is connected with drive shaft (5), the externally mounted of drive shaft (5) has and is used for driving four locating piece (4) along the actuating mechanism of slide bar (3) outside removal separately, drive shaft (5) run through supporting seat (2) and set up, and the below of drive shaft (5) is provided with and is used for driving its pivoted link gear, the below of supporting seat (2) is provided with elevating system, in order to be used for driving supporting seat (2) and reciprocate.

2. The novel efficient positioning fixture as claimed in claim 1, wherein the top of the box body (1) is provided with through grooves (6) corresponding to the four positioning blocks (4), and the four positioning blocks (4) are respectively arranged to penetrate through the four through grooves (6) and are respectively in sliding connection with the four through grooves (6).

3. The novel efficient positioning fixture as claimed in claim 1, wherein the driving mechanism includes a disc (7) sleeved outside the driving shaft (5) and four arc driving blocks (8) fixedly connected to the side wall of the disc (7) and respectively arranged in an annular array, the driving mechanism further includes four sliding sleeves (9) respectively slidably connected to the outside of the four sliding rods (3), four rollers (10) respectively rotatably connected to one ends of the four sliding sleeves (9) close to the disc (7) and four springs (11) respectively sleeved to the outside of the four sliding rods (3), the four arc driving blocks (8) are respectively matched with the four rollers (10), the four sliding sleeves (9) are respectively fixedly connected to the four positioning blocks (4), one ends of the four sliding rods (3) far away from the disc (7) are fixedly connected to a fixing block fixedly connected to the top of the supporting seat (2), one end of each spring (11) is fixedly connected to an outer wall of the fixing block, and the other end of each spring (11) is fixedly connected to an outer wall of the positioning block (4).

4. The novel efficient positioning fixture as claimed in claim 1, wherein the linkage mechanism comprises a housing (12) rotatably connected to the outside of the driving shaft (5), a transmission shaft (13) rotatably connected to the inner wall of one side of the housing (12), two first bevel gears (14) respectively sleeved on the outside of the driving shaft (5) and the outside of the transmission shaft (13), a gear (15) fixedly connected to one end of the transmission shaft (13) extending to the outside of the housing (12), a light bar (16) fixedly connected to the inner wall of the bottom of the box body (1), and a rack (17) fixedly connected to the top of the light bar (16), wherein the two first bevel gears (14) are engaged with each other and are located inside the housing (12), the gear (15) is engaged with the rack (17), a limiting groove (18) is formed in the inside of one side of the housing (12) far away from the transmission shaft (13) and penetrates in the vertical direction, a limiting strip (19) is fixedly connected to the inner wall of the bottom of the box body (1), and the top of the limiting strip (19) extends to the inside of the limiting groove (18) and is slidably connected to the limiting groove (18).

5. The novel efficient positioning fixture as claimed in claim 1, wherein the lifting mechanism comprises four screw sleeves (20) respectively rotatably connected to the inner wall of the bottom of the box body (1) and four screw rods (21) respectively screwed inside the four screw sleeves (20), the four screw sleeves (20) are respectively located inside the box body (1) at positions close to four corners, two adjacent screw sleeves (20) are in transmission connection with each other through a transmission assembly, the transmission assembly comprises transmission wheels respectively sleeved outside two of the screw sleeves (20) and belts respectively connected outside the two transmission wheels, and the lifting mechanism further comprises a power assembly for driving one of the screw sleeves (20) to rotate.

6. A novel high-efficiency positioning fixture as claimed in claim 5, characterized in that the power assembly comprises a motor (22) installed on an outer wall of one side of the box body (1), one end of an output shaft of the motor (22) extends to the inside of the box body (1), the power assembly further comprises two second bevel gears (23) respectively sleeved outside the output shaft of the motor (22) and outside one of the thread sleeves (20), and the two second bevel gears (23) are engaged with each other.