Positioning jig for processing permanent magnet oxygen magnetic core

Abstract

The utility model provides a positioning jig for processing a permanent magnet oxygen magnetic core. The positioning jig for permanent magnet oxygen magnetic core machining comprises a placing table, a lifting plate is arranged below the placing table, two electric telescopic rods are fixedly installed at the bottom of the placing table, output shafts of the two electric telescopic rods are both fixedly connected with the lifting plate, a lifting column is fixedly installed at the top of the lifting plate, and the lifting column is fixedly connected with the lifting table. A cavity is formed in the lifting column, a trapezoidal block is slidably installed in the cavity, a driving motor is fixedly installed on the inner wall of the bottom of the cavity, a threaded rod is fixedly installed on an output shaft of the driving motor, the threaded rod penetrates through the trapezoidal block and is in threaded connection with the trapezoidal block, and two push blocks are arranged in the cavity. The positioning jig for processing the permanent magnet oxygen magnetic core has the advantages of being capable of positioning and fixing the annular permanent magnet oxygen magnetic core from the inner side and avoiding hindering processing on the outer side.

Description

Technical Field

[0001] The utility model belongs to the technical field of ferrite core processing, in particular to a positioning jig for processing permanent magnet ferrite cores. Background Art

[0002] Ferrite cores are mainly composed of three metal elements: iron, manganese and zinc. They are usually called manganese-zinc ferrites. Ring ferrite cores have no air gap and a uniform cross-sectional area, so they have a high magnetic effect and are widely used in transformers.

[0003] In the related technology, a positioning jig for ferrite core processing is disclosed, which belongs to the field of ferrite core processing technology, including a processing table, an annular clamping groove is provided on the upper surface of the processing table, and two track grooves are provided on the upper surface of the processing table. The inner wall of each track groove is clamped with a sliding block, and the upper surface of each sliding block is fixedly connected with a positioning fixture block. Through the provided processing table, annular clamping groove, support frame, track groove, sliding block, positioning fixture block, arc-shaped clamping groove, threaded hole, threaded rod, wheel and crank, the crank and the wheel can be rotated to drive the threaded rod to rotate through the threaded connection with the threaded hole, driving the two positioning fixture blocks to approach each other, and through the cooperation with the arc-shaped clamping groove and the annular clamping groove, the clamping and positioning of ferrite cores of different shapes and types can be achieved, effectively increasing the use effect of this fixture. This device has a simple structure and is easy to operate, has good practical performance, and is worthy of promotion.

[0004] However, the above structure still has some shortcomings. When the positioning fixture is used to position the annular ferrite core, it adopts a clamping and fixing method from the outside, which will hinder the outer processing of the ferrite core.

[0005] Therefore, it is necessary to provide a new positioning fixture for processing permanent magnet oxide cores to solve the above technical problems. Utility Model Content

[0006] The technical problem solved by the utility model is to provide a positioning jig for processing a ring-shaped permanent magnet oxide core, which can position and fix the ring-shaped permanent magnet oxide core from the inside and avoid obstruction to the outside processing.

[0007] In order to solve the above technical problems, the positioning jig for processing permanent magnet oxygen cores provided by the utility model includes: a placing table, a lifting plate is provided under the placing table, and two electric telescopic rods are fixedly installed on the bottom of the placing table, and the output shafts of the two electric telescopic rods are fixedly connected to the lifting plate, and a lifting column is fixedly installed on the top of the lifting plate, a cavity is opened on the lifting column, a trapezoidal block is slidably installed in the cavity, a driving motor is fixedly installed on the bottom inner wall of the cavity, a threaded rod is fixedly installed on the output shaft of the driving motor, and the threaded rod passes through the trapezoidal block and is threadedly connected to the trapezoidal block, two push blocks are provided in the cavity, and push rods are fixedly installed on the two push blocks, one end of the two push rods extends to the outside of the lifting column and is slidably connected to the lifting column, and the two arc plates are respectively fixedly installed on one end of the two push rods.

[0008] As a further solution of the present invention, two L-shaped support plates are fixedly installed on the bottom of the placement table, and two mounting holes are provided on the L-shaped support plates.

[0009] As a further solution of the present invention, two first fixed plates are fixedly installed on the top inner wall of the lifting column, and a transverse sliding rod is fixedly installed on the two first fixed plates. A limiting slide is slidably sleeved on the two transverse sliding rods, and the bottoms of the two limiting slides are respectively fixedly connected to the push blocks, and a telescopic spring is sleeved on the two transverse sliding rods.

[0010] As a further solution of the present invention, two second fixed plates are fixedly installed in the placement table, and vertical sliding rods are fixedly installed on the bottom of the two second fixed plates. L-shaped slides are mounted on the two vertical slides, and the tops of the two L-shaped slides are fixedly connected to the trapezoidal blocks.

[0011] As a further solution of the present invention, elastic pads are fixedly installed on the outer curved surfaces of the two curved plates.

[0012] As a further solution of the present invention, both push blocks are provided with inclined surfaces, and the inclined surfaces are adapted to the trapezoidal blocks.

[0013] Compared with the related art, the positioning fixture for processing permanent magnet oxide cores provided by the present invention has the following beneficial effects:

[0014] 1. The utility model provides a placement platform, a lifting plate, an electric telescopic rod and a lifting column, so that the lifting column can be pushed out of the placement platform so that the lifting column is located in the annular ferrite core;

[0015] 2. The utility model arranges a trapezoidal block, a driving motor, a threaded rod, a push block, a push rod and an arc plate, so that the two arc plates can be moved away from each other to position and fix the annular ferrite core;

[0016] 3. The utility model provides a first fixed plate, a transverse slide bar, a limit slide plate and a telescopic spring, so that when the two arc-shaped plates move away from each other, the telescopic spring can be compressed, so that the arc-shaped plates can be reset after the trapezoidal block descends. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 A schematic diagram of the three-dimensional structure of a positioning jig for processing permanent magnet oxide cores provided by the present invention;

[0019] Figure 2 This is a schematic diagram of the first cross-sectional structure of the positioning fixture for processing the permanent magnet oxide core provided by the utility model;

[0020] Figure 3 This is a second cross-sectional structural schematic diagram of the positioning fixture for processing permanent magnet oxide cores provided by the utility model.

[0021] In the figure: 1. Placement table; 2. Lifting plate; 3. Electric telescopic rod; 4. Lifting column; 5. Cavity; 6. Trapezoidal block; 7. Driving motor; 8. Threaded rod; 9. Push block; 10. Push rod; 11. Arc plate; 12. L-shaped support plate; 13. Mounting hole; 14. First fixed plate; 15. Horizontal slide bar; 16. Limiting slide plate; 17. Telescopic spring; 18. Second fixed plate; 19. Vertical slide bar; 20. L-shaped slide plate; 21. Elastic pad. DETAILED DESCRIPTION

[0022] Please refer to Figure 1 、 Figure 2 and Figure 3 ,in, Figure 1 A schematic diagram of the three-dimensional structure of a positioning jig for processing permanent magnet oxide cores provided by the present invention; Figure 2 This is a schematic diagram of the first cross-sectional structure of the positioning fixture for processing the permanent magnet oxide core provided by the utility model; Figure 3The second cross-sectional structural schematic diagram of the positioning fixture for processing permanent magnet ferrite cores provided by the utility model. The positioning fixture for processing permanent magnet ferrite cores comprises: a placing table 1, a lifting plate 2 is provided below the placing table 1, two electric telescopic rods 3 are fixedly installed at the bottom of the placing table 1, the output shafts of the two electric telescopic rods 3 are fixedly connected to the lifting plate 2, a lifting column 4 is fixedly installed on the top of the lifting plate 2, a cavity 5 is provided on the lifting column 4, a trapezoidal block 6 is slidably installed in the cavity 5, a driving motor 7 is fixedly installed on the bottom inner wall of the cavity 5, a threaded rod 8 is fixedly installed on the output shaft of the driving motor 7, the threaded rod 8 passes through the trapezoidal block 6 and is threadedly connected to the trapezoidal block 6, two push blocks 9 are provided in the cavity 5, push rods 10 are fixedly installed on the two push blocks 9, one end of the two push rods 10 extends outside the lifting column 4 and is slidably connected to the lifting column 4, and two arc plates 11 are fixedly installed at one end of the two push rods 10 respectively.

[0023] like Figure 1 and Figure 2 As shown, two L-shaped support plates 12 are fixedly installed on the bottom of the placement table 1, and two mounting holes 13 are provided on the L-shaped support plates 12;

[0024] By providing the L-shaped support plate 12 and the mounting hole 13 , it is possible to facilitate supporting the placement table 1 , and to mount and fix the positioning fixture through the mounting hole 13 .

[0025] like Figure 3 As shown, two first fixing plates 14 are fixedly installed on the top inner wall of the lifting column 4, and a transverse slide bar 15 is fixedly installed on each of the two first fixing plates 14. A limiting slide plate 16 is slidably sleeved on each of the two transverse slide bars 15. The bottoms of the two limiting slide plates 16 are respectively fixedly connected to the push block 9, and a telescopic spring 17 is sleeved on each of the two transverse slide bars 15.

[0026] By providing the first fixed plate 14, the transverse slide bar 15, the limiting slide plate 16 and the telescopic spring 17, the telescopic spring 17 can be compressed when the two arc-shaped plates 11 move away from each other, so that the arc-shaped plates 11 can be reset after the trapezoidal block 6 descends.

[0027] like Figure 3 As shown, two second fixing plates 18 are fixedly installed in the placing table 1, and vertical slide bars 19 are fixedly installed at the bottom of the two second fixing plates 18. L-shaped slide plates 20 are sleeved on the two vertical slide bars 19, and the tops of the two L-shaped slide plates 20 are fixedly connected to the trapezoidal block 6;

[0028] By providing the second fixing plate 18 , the vertical sliding rod 19 and the L-shaped sliding plate 20 , the trapezoidal block 6 can be restricted to prevent the trapezoidal block 6 from rotating along with the threaded rod 8 .

[0029] like Figure 3 As shown, elastic pads 21 are fixedly installed on the outer curved surfaces of the two arc-shaped plates 11;

[0030] By providing the elastic pad 21 , when the arc-shaped plate 11 fixes the annular ferrite core, the elastic pad 21 can fit the inner wall of the annular ferrite core, thereby improving the fixing effect.

[0031] like Figure 3 As shown, both push blocks 9 are provided with inclined surfaces, which are adapted to the trapezoidal block 6;

[0032] By providing the inclined surface, it is easy to push the push block 9 after the trapezoidal block 6 moves upward, so that the two push blocks 9 move away from each other.

[0033] The working principle of the positioning fixture for processing permanent magnet oxide cores provided by the utility model is as follows:

[0034] Step 1: When in use, place the annular ferrite core on top of the placement table 1, start the electric telescopic rod 3, move the lifting plate 2 upward, and the lifting plate 2 drives the lifting column 4 to move upward, so that the arc plate 11 is located in the annular ferrite core;

[0035] The second step: start the drive motor 7, the drive motor 7 drives the threaded rod 8 to rotate, the threaded rod 8 drives the trapezoidal block 6 to move upward, the trapezoidal block 6 drives the two push blocks 9 to move away from each other, and at the same time the limiting slide 16 compresses the telescopic spring 17, the push block 9 drives the push rod 10 and the arc plate 11 to move, the two arc plates 11 move away from each other so that the elastic pad 21 fits on the inner wall of the annular ferrite core, thereby positioning and fixing the annular ferrite core;

[0036] Step 3: After the annular ferrite core is processed, the driving motor 7 is started to move the trapezoidal block 6 downward. At this time, under the action of the elastic force of the telescopic spring 17, the two arc plates 11 are reset and moved closer to each other. The electric telescopic rod 3 is started to move the lifting column 4 downward, and the processed annular ferrite core can be removed.

[0037] It should be noted that the device structure and drawings of the present invention mainly describe the principle of the present invention. In terms of the technology of the design principle, the settings of the device's power mechanism, power supply system, and control system are not fully described. However, those skilled in the art can clearly understand the details of its power mechanism, power supply system, and control system on the premise that they understand the principle of the above-mentioned utility model. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be implemented by simple programming by those skilled in the art.

[0038] The standard parts used can be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the components known to technical personnel in this field, their structures and principles can be known to these technical personnel through technical manuals or through conventional experimental methods.

[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments or applied directly or indirectly without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the appended claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A positioning jig for processing permanent magnet oxide cores, characterized in that: include: The lifting mechanism is installed in the lifting mode, and the lifting mechanism is installed in the lifting mode. The lifting mechanism is installed in the lifting mode and the lifting mode is improved. The lifting mechanism is installed in the lifting mode. The lifting mechanism is installed in the lifting mode. The lifting mechanism is installed in the lifting mode. The lifting mechanism is installed in the lifting mode. The lifting mechanism is installed in the lifting mode. The lifting mechanism is installed in the lifting mode. The lifting mechanism is installed in the lifting mode. The lifting mechanism is installed in the lifting mode.

2. The positioning jig for processing permanent magnet oxide cores according to claim 1, characterized in that: Two L-shaped support plates are fixedly installed on the bottom of the placement table, and two mounting holes are provided on the L-shaped support plates.

3. The positioning jig for processing permanent magnet oxide cores according to claim 1, characterized in that: Two first fixing plates are fixedly installed on the top inner wall of the lifting column, and transverse sliding rods are fixedly installed on the two first fixing plates. Limiting slides are slidably sleeved on the two transverse sliding rods, and the bottoms of the two limiting slides are fixedly connected to the push blocks respectively. Telescopic springs are sleeved on the two transverse sliding rods.

4. The positioning jig for processing permanent magnet oxide cores according to claim 1, characterized in that: Two second fixed plates are fixedly installed in the placement table, and vertical sliding rods are fixedly installed on the bottom of the two second fixed plates. L-shaped slides are sleeved on the two vertical slides, and the tops of the two L-shaped slides are fixedly connected to the trapezoidal blocks.

5. The positioning jig for processing permanent magnet oxide cores according to claim 1, characterized in that: Elastic pads are fixedly installed on the outer curved surfaces of the two curved plates.

6. The positioning jig for processing permanent magnet oxide cores according to claim 1, characterized in that: Both push blocks are provided with inclined surfaces, which are matched with the trapezoidal blocks.

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