CN217475761U

CN217475761U - Special positioning fixture for iron core machining

Info

Publication number: CN217475761U
Application number: CN202221127439.7U
Authority: CN
Inventors: 李劲佚; 邱长发
Original assignee: Zhejiang Huayi Iron Core Manufacturing Co ltd
Current assignee: Zhejiang Huayi Iron Core Manufacturing Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-09-23
Anticipated expiration: 2032-05-12

Abstract

The utility model provides a special positioning fixture of iron core processing, include: the device comprises a workbench, wherein a clamping mechanism and a driving mechanism are arranged on the workbench, and a connecting mechanism is arranged on the clamping mechanism and the driving mechanism; fixture includes grip block and a plurality of evenly distributed's of fixedly connected with grip block, the clamping frame of two symmetric distributions has been cup jointed in the slip on the grip block, fixedly connected with a plurality of fixed plate on the workstation, the centre gripping spring of two symmetric distributions of one side fixedly connected with of fixed plate. The utility model discloses can accomplish the omnidirectional centre gripping location to C type iron core, avoid taking place the skew at C type iron at the course of working, influence the processing effect, can once only carry out the centre gripping location to four C type iron cores simultaneously, strengthened the practicality of device, satisfy the actual demand in the course of working simultaneously, improve the machining efficiency of C type iron core, easy operation, convenient to use is fit for a large amount of popularization.

Description

Special positioning fixture for iron core machining

Technical Field

The utility model relates to an iron core processing technology field especially relates to a special positioning fixture of iron core processing.

Background

The common transformer iron core is generally made of silicon steel sheets, silicon steel is silicon-containing (silicon is also called silicon) steel, the silicon content of the silicon steel is 0.8-4.8%, and the silicon steel is used as the iron core of the transformer because the silicon steel is a magnetic substance with strong magnetic conductivity and can generate larger magnetic induction intensity in an electrified coil, so that the volume of the transformer can be reduced.

In the prior art, in the process of machining the C-shaped iron core, due to the special shape of the C-shaped iron core, a general fixture is difficult to position and clamp the C-shaped iron core, so that the C-shaped iron core is deviated when the C-shaped iron core is machined, the normal machining is influenced, the existing positioning fixture can only clamp and position one C-shaped iron core at one time, the machining efficiency is low, the actual machining requirement cannot be met, and the practicability of the positioning fixture is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's weak point, provide a special positioning fixture of iron core processing, through rack isotructure, can accomplish the omnidirectional centre gripping location to C type iron core, avoid taking place the skew at the C type iron at the course of working, influence the processing effect, through the grip slipper structure, can once only carry out the centre gripping location to four C type iron cores, strengthened the practicality of device, satisfy the actual demand in the course of working simultaneously, improve the machining efficiency of C type iron core.

In order to achieve the above object, the utility model provides a following technical scheme: a special positioning fixture for iron core machining comprises: the device comprises a workbench, wherein a clamping mechanism and a driving mechanism are arranged on the workbench, and a connecting mechanism is arranged on the clamping mechanism and the driving mechanism; fixture includes grip block and a plurality of evenly distributed's of fixedly connected with grip block, the sliding sleeve has cup jointed the holding frame of two symmetric distributions on the grip block, fixedly connected with a plurality of fixed plate on the workstation, the centre gripping spring of two symmetric distributions of one side fixedly connected with of fixed plate, the centre gripping spring other end and grip block fixed connection.

Preferably, actuating mechanism includes fixed connection support frame on the workstation, two symmetric distribution's of fixedly connected with dead lever on the support frame, the top fixedly connected with driving motor of dead lever, driving motor's output fixedly connected with gear, the top of gear is rotated with the bottom of workstation and is connected, fixedly connected with bottom plate on the support frame, the equal sliding connection in top of bottom plate and the bottom of workstation has two racks, rack and gear engagement.

Preferably, coupling mechanism is including sliding cup joint a plurality of spliced pole on the workstation, the both sides of spliced pole are rotated and are connected with the movable rod, the other end of movable rod is rotated with one side of holding frame and is connected, one side fixedly connected with bracing piece of spliced pole, the bracing piece other end and one side fixed connection of butt plate, fixedly connected with connecting rod on the spliced pole, the one end and the rack fixed connection of connecting rod.

Preferably, a plurality of limiting strip-shaped holes are formed in the workbench, and the two sides of the connecting column are connected with the inner walls of the two sides of the limiting strip-shaped holes in a sliding mode.

Preferably, the clamping seat is of a C shape, a limiting arc-shaped hole is formed in the clamping seat, and the clamping frame is connected with the inner wall of the limiting arc-shaped hole in a sliding mode.

Preferably, both sides of the support rod are fixedly connected with a reinforcing rod, and the other end of the reinforcing rod is fixedly connected with one side of the abutting plate.

Preferably, four racks are distributed at different heights.

The beneficial effects of the utility model reside in that:

(1) the utility model discloses a grip slipper, the grip slipper, butt plate and rack isotructure, wherein when needing to carry out the location centre gripping to C type iron core, place C type iron core on the grip slipper, make one side of C type iron core and grip slipper butt, compress the clamping spring, later start driving motor, driving motor corotation makes gear revolve, gear revolve drives four racks and moves thereupon, thereby drive the spliced pole through the connecting rod and move towards the direction that is close to the grip slipper, thereby drive the holder through the movable rod and slide in spacing arc hole, thereby centre gripping both ends of C type iron core under the effect of holder, the spliced pole motion drives the bracing piece and moves towards the direction that is close to the grip slipper simultaneously, thereby drive butt plate and the opposite side butt of C type iron core, thereby carry out spacing fixed to both sides of C type iron core with the grip slipper cooperation, therefore, the C-shaped iron core is clamped and positioned in an all-round mode, and the phenomenon that the C-shaped iron core is deviated in the machining process to influence the machining effect is avoided.

(2) The utility model discloses grip slipper, holding frame isotructure wherein carries out the centre gripping location through the holding frame to C type iron core's both ends, can carry out the centre gripping location to C type iron core's both sides through the cooperation of butt joint board and grip block, can once only carry out the centre gripping location to four C type iron cores, has strengthened the practicality of device, satisfies the actual demand in the course of working simultaneously, improves the machining efficiency of C type iron core.

To sum up, the utility model discloses can accomplish the omnidirectional centre gripping location to C type iron core, avoid taking place the skew at C type iron at the course of working, influence the processing effect, can once only carry out the centre gripping location to four C type iron cores simultaneously, strengthen the practicality of device, satisfy the actual demand in the course of working simultaneously, improve the machining efficiency of C type iron core, easy operation, convenient to use is fit for a large amount of popularization.

Drawings

Fig. 1 is a schematic view of a first view structure of a positioning fixture special for iron core processing;

FIG. 2 is a second view structural diagram of a positioning fixture special for iron core machining;

FIG. 3 is a schematic view of the driving mechanism;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 5 is an enlarged schematic view of B in fig. 1.

Reference numerals: 1. a work table; 2. a connecting mechanism; 3. a drive mechanism; 4. a clamping mechanism; 5. a base plate; 6. connecting columns; 7. a drive motor; 8. a gear; 9. a connecting rod; 10. a rack; 11. a clamping frame; 12. a clamping seat; 13. a movable rod; 14. a clamping plate; 15. a fixing plate; 16. a clamping spring; 17. a butt joint plate; 18. a support bar; 19. a support frame; 20. limiting strip-shaped holes; 21. fixing the rod; 22. a reinforcing bar; 23. limiting the arc-shaped hole.

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 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.

Example one

As shown in fig. 1 to 5, a positioning fixture special for iron core machining includes: the device comprises a workbench 1, wherein a clamping mechanism 4 and a driving mechanism 3 are arranged on the workbench 1, and a connecting mechanism 2 is arranged on the clamping mechanism 4 and the driving mechanism 3;

in this embodiment, as shown in fig. 1, fig. 4 and fig. 5, fixture 4 includes four evenly distributed's of grip block 14 and fixedly connected with grip block 12, the grip block 12 goes up the slip and cup joints the holding frame 11 of two symmetric distributions, under actuating mechanism 3 and coupling mechanism 2's effect, make to slide on grip block 12 at grip block 11, thereby centre gripping the both ends of C type iron core, four fixed plates 15 of fixedly connected with on the workstation 1, two symmetric distribution's of one side fixedly connected with grip spring 16 of fixed plate 15, the grip spring 16 other end and grip block 14 fixed connection, place C type iron core on grip block 12, make one side and the grip block 14 butt of C type iron core, compress grip spring 16.

In this embodiment, as shown in fig. 2 and fig. 3, the driving mechanism 3 includes a supporting frame 19 fixedly connected to the worktable 1, two symmetrically distributed fixing rods 21 are fixedly connected to the supporting frame 19, a driving motor 7 is fixedly connected to the top of the fixing rods 21, a gear 8 is fixedly connected to the output end of the driving motor 7, the top of the gear 8 is rotatably connected to the bottom of the worktable 1, a bottom plate 5 is fixedly connected to the supporting frame 19, two racks 10 are slidably connected to the top of the bottom plate 5 and the bottom of the worktable 1, the racks 10 are engaged with the gear 8, the driving motor 7 is started, the gear 8 is rotated by the forward rotation of the driving motor 7, the gear 8 rotates to drive the four racks 10 to move therewith, thereby driving the connecting column 6 to move toward the direction close to the clamping seat 12 through the connecting rod 9, thereby driving the clamping frame 11 to slide in the limiting arc-shaped hole 23 through the movable rod 13, so that both ends of the C-shaped core are clamped by the clamping holders 11.

In this embodiment, as shown in fig. 1 and 3, the connecting mechanism 2 includes four connecting posts 6 slidably sleeved on the worktable 1, two sides of the connecting posts 6 are rotatably connected with movable rods 13, the other end of the movable rod 13 is rotatably connected with one side of the clamping frame 11, one side of the connecting post 6 is fixedly connected with a supporting rod 18, the other end of the supporting rod 18 is fixedly connected with one side of the abutting plate 17, a connecting rod 9 is fixedly connected on the connecting post 6, one end of the connecting rod 9 is fixedly connected with the rack 10, when the connecting column 6 moves, the supporting rod 18 is driven to move towards the direction close to the clamping seat 12, thereby driving the abutting plate 17 to abut against the other side of the C-shaped iron core, and further cooperating with the clamping plate 14 to limit and fix the two sides of the C-shaped iron core, therefore, the C-shaped iron core is clamped and positioned in an all-round mode, and the phenomenon that the C-shaped iron core is deviated in the machining process to influence the machining effect is avoided.

In this embodiment, as shown in fig. 1 and 3, the workbench 1 is provided with a plurality of limiting strip-shaped holes 20, so that the connecting column 6 can slide in the limiting strip-shaped holes 20, and the two sides of the connecting column 6 are connected with the inner walls of the two sides of the limiting strip-shaped holes 20 in a sliding manner.

In this embodiment, as shown in fig. 1 and 4, the holder 12 is a C-shaped holder, and a limiting arc-shaped hole 23 is formed in the holder 12 for the special holder 12 designed for the C-shaped iron core, and the holding frame 11 is slidably connected to an inner wall of the limiting arc-shaped hole 23.

In this embodiment, as shown in fig. 1 and 5, the reinforcing bars 22 are fixedly connected to both sides of the supporting bar 18 to reinforce the strength of the supporting bar 18, and the other end of the reinforcing bar 22 is fixedly connected to one side of the abutting plate 17.

In this embodiment, as shown in fig. 3, four racks 10 are distributed at different heights and can freely move along with the rotation of the gear 8, so that the clamping mechanism 4 is matched to clamp and position four C-shaped cores at a time, the practicability of the device is enhanced, the actual requirements in the machining process are met, and the machining efficiency of the C-shaped cores is improved.

Working procedure

When the C-shaped iron core needs to be positioned and clamped, the C-shaped iron core is placed on the clamping seat 12, one side of the C-shaped iron core is abutted to the clamping plate 14, the clamping spring 16 is compressed, then the driving motor 7 is started, the driving motor 7 rotates forward to enable the gear 8 to rotate, the gear 8 rotates to drive the four racks 10 to move along with the four racks, the connecting rod 9 drives the connecting post 6 to move towards the direction close to the clamping seat 12, the movable rod 13 drives the clamping frame 11 to slide in the limiting arc-shaped hole 23, so that the two ends of the C-shaped iron core are clamped under the action of the clamping frame 11, meanwhile, the connecting post 6 moves to drive the supporting rod 18 to move towards the direction close to the clamping seat 12, the abutting plate 17 is driven to abut against the other side of the C-shaped iron core, the C-shaped iron core is matched with the clamping plate 14 to carry out limiting and fixing on the two sides of the C-shaped iron core, and accordingly the omnibearing clamping and positioning of the C-shaped iron core is completed, avoid taking place the skew at C type iron model at the course of working, influence the processing effect, once only can carry out the centre gripping location to four C type iron cores simultaneously, strengthened the practicality of device, satisfy the actual demand in the course of working simultaneously, improve the machining efficiency of C type iron core.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a special positioning fixture of iron core processing which characterized in that includes: the device comprises a workbench (1), wherein a clamping mechanism (4) and a driving mechanism (3) are arranged on the workbench (1), and a connecting mechanism (2) is arranged on the clamping mechanism (4) and the driving mechanism (3);

fixture (4) include grip block (14) and be connected with a plurality of evenly distributed's grip slipper (12), slip on grip slipper (12) and cup jointed the holding frame (11) of two symmetric distributions, be connected with a plurality of fixed plate (15) on workstation (1), one side of fixed plate (15) is connected with the centre gripping spring (16) of two symmetric distributions, centre gripping spring (16) other end is connected with grip block (14).

2. The special positioning fixture for iron core machining according to claim 1, wherein the driving mechanism (3) comprises a supporting frame (19) connected to the worktable (1), the supporting frame (19) is connected with two symmetrically distributed fixing rods (21), the top of each fixing rod (21) is connected with a driving motor (7), the output end of each driving motor (7) is connected with a gear (8), the top of each gear (8) is rotatably connected with the bottom of the worktable (1), the supporting frame (19) is connected with a bottom plate (5), the top of each bottom plate (5) and the bottom of the worktable (1) are both slidably connected with two racks (10), and the racks (10) are engaged with the gears (8).

3. The special positioning fixture for iron core machining according to claim 1, wherein the connecting mechanism (2) comprises a plurality of connecting posts (6) which are slidably sleeved on the workbench (1), movable rods (13) are rotatably connected to two sides of the connecting posts (6), the other ends of the movable rods (13) are rotatably connected to one side of the clamping frame (11), a supporting rod (18) is connected to one side of the connecting posts (6), the other end of the supporting rod (18) is connected to one side of the abutting plate (17), a connecting rod (9) is connected to the connecting post (6), and one end of the connecting rod (9) is connected to the rack (10).

4. The special positioning fixture for iron core machining according to claim 3, wherein a plurality of limiting bar-shaped holes (20) are formed in the workbench (1), and two sides of the connecting column (6) are slidably connected with inner walls of two sides of the limiting bar-shaped holes (20).

5. The positioning fixture special for iron core machining according to claim 1, wherein the clamping base (12) is C-shaped, a limiting arc-shaped hole (23) is formed in the clamping base (12), and the clamping frame (11) is slidably connected with an inner wall of the limiting arc-shaped hole (23).

6. The special positioning fixture for iron core machining according to claim 3, characterized in that a reinforcing rod (22) is connected to two sides of the supporting rod (18), and the other end of the reinforcing rod (22) is connected to one side of the abutting plate (17).

7. The special positioning fixture for iron core machining according to claim 2, characterized in that four racks (10) are distributed at different heights.