Positioning clamp applied to ferrite magnetic core

Abstract

The utility model discloses a positioning clamp applied to a ferrite magnetic core, which relates to the technical field of clamping and limiting of magnetic cores in a winding process, and is characterized in that a positioning mechanism is mounted at the top end of a fixing plate, a driving mechanism is mounted at the bottom end of the fixing plate, and an adjusting mechanism extending to the lower part of the fixing plate is mounted at the top end of the fixing plate; the adjusting mechanism is used for driving the positioning mechanism to adjust; the positioning mechanism comprises three positioning wheels, the three positioning wheels are distributed in a delta shape, rubber layers with L-shaped cross sections are assembled on the peripheries of the three positioning wheels in an interference fit mode, a rotating shaft is assembled in the center of one positioning wheel in an interference fit mode, and the rotating shaft is rotationally connected with the fixing plate. By arranging the two slidable positioning wheels, the sliding groove and the adjusting mechanism, the ferrite magnetic ring clamping and rotating device can clamp, limit and drive ferrite magnetic rings of different sizes, the applicability of the ferrite magnetic ring clamping and rotating device is improved, and a winding machine can be conveniently and efficiently assisted in winding the ferrite magnetic rings.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping and limiting of magnetic cores in the winding process, and specifically relates to a positioning fixture applied to ferrite magnetic cores. Background Technique

[0002] After the production of ferrite magnets, a ring winding machine is required to wind coils on the ferrite magnetic rings. When winding the coils, a rotatable positioning fixture is needed to limit the ferrite magnetic rings and drive the ferrite magnetic rings to rotate. The positioning fixtures in the prior art cannot adapt to ferrite magnetic rings of different sizes, and the applicability is relatively low. Content of the Utility Model

[0003] The purpose of the utility model is to provide a positioning fixture applied to ferrite magnetic cores in order to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A positioning fixture applied to ferrite magnetic cores, including a fixed plate, a positioning mechanism is installed at the top end of the fixed plate, a driving mechanism for driving the positioning mechanism to rotate is installed at the bottom end of the fixed plate, and an adjusting mechanism extending below the fixed plate is installed at the top end of the fixed plate, and the adjusting mechanism is used to drive the positioning mechanism to adjust;

[0005] The positioning mechanism includes three positioning wheels, the three positioning wheels are distributed in a "pin" shape, rubber layers with a cross-section in an "L" shape are interference-fitted on the outer circumferences of the three positioning wheels, a rotating shaft is interference-fitted at the center of one positioning wheel, the rotating shaft is rotatably connected to the fixed plate, and sliding shafts are rotatably installed at the centers of the other two positioning wheels, the sliding shafts penetrate below the fixed plate and are slidably connected to the fixed plate.

[0006] As a further scheme of the utility model: The driving mechanism includes a rotating motor installed at the bottom end of the fixed plate through a bracket, a circular hole for the output end of the rotating motor to pass through is opened on the bracket, and a driving gear is fixedly installed at the output end of the rotating motor, a driven gear is meshed on the outer circumference of the driving gear, and the top end of the driven gear is coaxially connected to the top end of the rotating shaft.

[0007] As a further scheme of the utility model: The adjusting mechanism includes an electric push cylinder fixedly installed at the top end of the fixed plate, a connecting plate is fixedly installed at the output end of the electric push cylinder, and sliding rods are fixedly installed at both ends on one side of the connecting plate.

[0008] As a further solution of the utility model: the adjustment mechanism also includes a sliding sleeve fixedly connected to the end of the sliding rod away from the connecting plate, and two L-shaped rods are slidably connected to the inner wall of the sliding sleeve, and the ends of the two L-shaped rods away from each other both penetrate to the outside of the sliding sleeve, and a connecting block is fixedly installed on the end of the L-shaped rod away from the sliding sleeve, and the connecting block is rotatably connected to the bottom end of the sliding shaft.

[0009] As a further solution of the utility model: the inner walls of the openings at both ends of the sliding sleeve are integrally formed with inwardly protruding limit blocks, and the end of the L-shaped rod located in the inner cavity of the sliding sleeve is integrally formed with an anti-slip block.

[0010] As a further solution of the utility model: a sliding groove for the sliding shaft to slide is opened on the fixed plate, and the two sliding grooves are distributed in an "eight" shape.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] By setting two slidable positioning wheels, a slide groove and an adjustment mechanism, the device can clamp and limit ferrite rings of different sizes and drive them to rotate, thereby improving the applicability of the device and facilitating and efficiently assisting a winding machine in performing winding operations on ferrite rings. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the driving mechanism of the utility model;

[0015] Figure 3 It is a schematic diagram of the sliding connection between the sliding sleeve and the L-shaped rod of the utility model.

[0016] In the figure: 1. fixed plate; 2. slide groove; 3. positioning wheel; 4. rotating shaft; 5. rubber layer; 6. sliding shaft; 7. connecting block; 8. L-shaped rod; 9. sliding rod; 10. rotating motor; 11. electric push cylinder; 12. connecting plate; 13. driving gear; 14. driven gear; 15. sliding sleeve. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1 to Figure 3 In the embodiment of the present utility model, a positioning fixture applied to a ferrite core includes a fixing plate 1. A positioning mechanism is installed at the top end of the fixing plate 1, and a driving mechanism for driving the positioning mechanism to rotate is installed at the bottom end of the fixing plate 1. Moreover, an adjusting mechanism extending below the fixing plate 1 is installed at the top end of the fixing plate 1, and the adjusting mechanism is used to drive the positioning mechanism for adjustment. The positioning mechanism includes three positioning wheels 3, which are distributed in a "pin" shape. Rubber layers 5 with a cross-section in an "L" shape are press-fitted on the outer circumferences of the three positioning wheels 3. A rotating shaft 4 is press-fitted at the center of one positioning wheel 3, and the rotating shaft 4 is rotatably connected to the fixing plate 1. Sliding shafts 6 are rotatably installed at the centers of the other two positioning wheels 3, and the sliding shafts 6 penetrate below the fixing plate 1 and are slidably connected to the fixing plate 1.

[0019] In this embodiment: First, place the ferrite magnetic ring to be wound on the outer circumference of the positioning wheel 3 connected to the drive, and make the ferrite magnetic ring to be wound contact the rubber layer 5 on the outer surface of the above-mentioned positioning wheel 3. At this time, the ferrite magnetic ring is supported by the lower annular convex part of the rubber layer 5. Then start the adjusting mechanism, and the adjusting mechanism drives the other two positioning wheels 3 to slide until the ferrite magnetic ring is effectively clamped. Then start the annular winding machine and the driving mechanism, and the driving mechanism drives the ferrite magnetic ring to rotate circumferentially through the positioning mechanism, so as to achieve the purpose of winding the ferrite magnetic ring by the auxiliary winding machine. After the winding is completed, reverse-start the adjusting mechanism, and the adjusting mechanism drives the positioning mechanism to release the clamping of the ferrite magnetic ring.

[0020] Please refer particularly to Figure 1 and Figure 2 The driving mechanism includes a rotating motor 10 installed at the bottom end of the fixing plate 1 through a bracket. A circular hole for the output end of the rotating motor 10 to pass through is opened on the bracket, and a driving gear 13 is fixedly installed at the output end of the rotating motor 10. A driven gear 14 is meshed with the outer circumference of the driving gear 13, and the top end of the driven gear 14 is coaxially connected to the top end of the rotating shaft 4.

[0021] In this embodiment: After the ferrite magnetic ring is clamped, by starting the rotating motor 10, the rotating motor 10 runs to drive the driving gear 13 at its output end to rotate. The driving gear 13 rotates to drive the driven gear 14 to rotate. The rotating driven gear 14 can drive the positioning wheel 3 connected thereto to rotate through the rotating shaft 4. When the positioning wheel 3 rotates, there is a frictional force between the rubber layer 5 on its outer circumference and the ferrite magnetic ring, and this frictional force drives the ferrite magnetic ring to rotate. The frictional force between the rotating ferrite magnetic ring and the other two positioning wheels 3 can drive the other two positioning wheels 3 to rotate.

[0022] Please refer particularly to Figure 1 and Figure 2 and Figure 3The adjusting mechanism includes an electric push cylinder 11 fixedly mounted on the top of the fixed plate 1, a connecting plate 12 is fixedly mounted on the output end of the electric push cylinder 11, sliding rods 9 are fixedly mounted on both ends of one side of the connecting plate 12, the adjusting mechanism also includes a sliding sleeve 15 fixedly connected to the end of the sliding rod 9 away from the connecting plate 12, two L-shaped rods 8 are slidably connected to the inner wall of the sliding sleeve 15, the ends of the two L-shaped rods 8 away from each other are both penetrated to the outside of the sliding sleeve 15, and a connecting block 7 is fixedly mounted on the end of the L-shaped rod 8 away from the sliding sleeve 15, the connecting block 7 is rotatably connected to the bottom end of the sliding shaft 6, and a sliding groove 2 for sliding the sliding shaft 6 is opened on the fixed plate 1, and the two sliding grooves 2 are distributed in an "eight" shape.

[0023] In this embodiment: when the ferrite magnetic ring is clamped, the electric push cylinder 11 is started, the electric push cylinder 11 drives the connecting plate 12 to move synchronously, and the moving connecting plate 12 drives the two sliding rods 9 to move synchronously, and the sliding rods 9 can pull the connecting block 7 to move, and the moving connecting block 7 can pull the sliding shaft 6 to slide along the slide groove 2. At this time, the two sliding positioning wheels 3 gradually approach the positioning wheel 3 connected to the driving mechanism until the rubber layer 5 on the outer periphery of the three positioning wheels 3 clamps the ferrite magnetic ring.

[0024] Please refer to Figure 3 The inner walls of the openings at both ends of the sliding sleeve 15 are integrally formed with inwardly protruding limit blocks, and one end of the L-shaped rod 8 located in the inner cavity of the sliding sleeve 15 is integrally formed with an anti-slip block.

[0025] In this embodiment: when the two sliding positioning wheels 3 slide, the distance between the two positioning wheels 3 changes. At this time, the sliding positioning wheels 3 drive the connecting block 7 to move synchronously through the sliding shaft 6, and the connecting block 7 can drive the L-shaped rod 8 to slide in the ring of the sliding sleeve 15. The design of the limit block and the anti-detachment block can prevent the L-shaped rod 8 from detaching from the sliding sleeve 15.

[0026] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A positioning fixture for a ferrite core, comprising a fixing plate (1), characterized in that: A positioning mechanism is installed at the top of the fixed plate (1). A driving mechanism for driving the positioning mechanism to rotate is installed at the bottom of the fixed plate (1). And an adjusting mechanism extending below the fixed plate (1) is installed at the top of the fixed plate (1). The adjusting mechanism is used to drive the positioning mechanism for adjustment; The positioning mechanism includes three positioning wheels (3). The three positioning wheels (3) are distributed in a "pin" shape. Rubber layers (5) with an "L"-shaped cross-section are interference-fitted on the outer circumferences of the three positioning wheels (3). A rotating shaft (4) is interference-fitted at the center of one positioning wheel (3). The rotating shaft (4) is rotatably connected to the fixed plate (1). Sliding shafts (6) are rotatably installed at the centers of the other two positioning wheels (3). The sliding shafts (6) penetrate to the lower part of the fixed plate (1) and are slidably connected to the fixed plate (1).

2. A positioning fixture for a ferrite core according to claim 1, characterized in that: The driving mechanism includes a rotating motor (10) installed at the bottom of the fixed plate (1) through a bracket. A circular hole for the output end of the rotating motor (10) to pass through is formed in the bracket. And a driving gear (13) is fixedly installed at the output end of the rotating motor (10). A driven gear (14) is meshed with the outer circumference of the driving gear (13). The top end of the driven gear (14) is coaxially connected to the top end of the rotating shaft (4).

3. A positioning fixture for a ferrite core according to claim 2, characterized in that: The adjusting mechanism includes an electric push cylinder (11) fixedly installed at the top of the fixed plate (1). A connecting plate (12) is fixedly installed at the output end of the electric push cylinder (11). Sliding rods (9) are fixedly installed at both ends on one side of the connecting plate (12).

4. A positioning fixture for a ferrite core according to claim 3, characterized in that: The adjusting mechanism further includes a sliding sleeve (15) fixedly connected to the end of the sliding rod (9) away from the connecting plate (12). Two L-shaped rods (8) are slidably connected to the inner wall of the sliding sleeve (15). The ends of the two L-shaped rods (8) away from each other both penetrate to the outside of the sliding sleeve (15). And a connecting block (7) is fixedly installed at the end of the L-shaped rod (8) away from the sliding sleeve (15). The connecting block (7) is rotatably connected to the bottom end of the sliding shaft (6).

5. A positioning fixture for ferrite core according to claim 4, characterized in that: Limiting blocks protruding inwards are integrally formed on the inner walls of the two open ends of the sliding sleeve (15). Anti-detachment blocks are integrally formed at the ends of the L-shaped rods (8) located inside the sliding sleeve (15).

6. The positioning fixture for ferrite core according to claim 1, characterized in that: Chutes (2) for the sliding shafts (6) to slide are formed in the fixed plate (1). The two chutes (2) are distributed in an "eight" shape.

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