CN216529769U - Forming magnetic collector applicable to multi-specification new energy high-voltage wire harnesses - Google Patents
Forming magnetic collector applicable to multi-specification new energy high-voltage wire harnesses Download PDFInfo
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- CN216529769U CN216529769U CN202123400137.0U CN202123400137U CN216529769U CN 216529769 U CN216529769 U CN 216529769U CN 202123400137 U CN202123400137 U CN 202123400137U CN 216529769 U CN216529769 U CN 216529769U
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Abstract
The utility model relates to a forming magnetic collector applicable to multi-specification new energy high-voltage wire harnesses, which comprises a first magnetic collector and a second magnetic collector; the first magnetic collector is arranged in the second magnetic collector; a workpiece placing hole is formed in the center of the first magnetic collector and is of an hourglass structure; one side of the first magnetic collector is provided with a first magnetic collecting slit along the radius direction of the first magnetic collector; the second magnetic collector is of a cylindrical structure, a fixing plate is arranged in the second magnetic collector, and the first magnetic collector is arranged on the fixing plate; a contact hole is formed in the center of the fixing plate; a second magnetic collecting gap along the radius direction of the second magnetic collector is arranged at the position, corresponding to the first magnetic collecting gap, on one side of the second magnetic collector; the first magnetic flux collection gap is less than or equal to the second magnetic flux collection gap. The utility model can realize the electromagnetic pulse forming of the wire harness terminals with multiple specifications, and can effectively reduce the processing cost and the dismounting efficiency of the magnetic collector.
Description
Technical Field
The utility model relates to a magnetic collector, in particular to a forming magnetic collector suitable for a multi-specification new energy high-voltage wire harness.
Background
With the continuous development of the technology, various electronic and electrical equipment and new energy products are continuously updated, the requirements of wire connection are continuously improved, and the defects which are difficult to solve exist in mechanical crimping or connection through metallographic welding in the prior art, such as high welding requirement, low efficiency, low crimping tightness, poor conductivity, low tensile and torsional resistance and the like.
The current magnetic collector is auxiliary processing equipment commonly used for electromagnetic pulse forming of pipe fittings, the whole body of the typical magnetic collector is a cylinder, the axis of the cylinder is used as an axis, two symmetrical truncated cone-shaped depressions are respectively arranged on two end faces of the cylinder, and the two truncated cone-shaped depressions are connected through a cylindrical through hole. A cutting slit along the radius direction of the cylinder is arranged at a certain position on the circumference of the magnetic collector, and the closed ring of the magnetic collector is cut off to form a C-shaped unclosed ring body. The radial section of the typical magnetic collector is similar to an isosceles trapezoid, and the working principle is as follows: the magnetic collector is arranged inside the solenoid coil, eddy current is induced on the outer surface of the magnetic collector and flows to the surface of the through hole through the cutting seam to form a loop, and the axial length of the through hole is far smaller than that of the cylinder, so that the current density on the surface of the through hole is greatly improved, and the magnetic field is correspondingly enhanced. And the smaller the gap between the aperture of the through hole and the diameter of the workpiece is, the higher the energy utilization rate is.
The typical magnetic collector is simple in structure and convenient to manufacture, the inner aperture is fixed, when wire harness terminals of different specifications are formed, a through hole in the magnetic collector needs to be matched with the diameter of a workpiece, the whole magnetic collector needs to be replaced, the processing cost is high, and the efficiency is low when the whole magnetic collector is replaced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a forming magnetic collector applicable to multi-specification new energy high-voltage wire harnesses, which utilizes the connection technology of plastically deforming a wire harness terminal to crimp a wire by utilizing an electromagnetic pulse crimping technology to realize the forming of the multi-specification wire harness terminal.
The specific technical scheme of the utility model is as follows:
a forming magnetic collector applicable to multi-specification new energy high-voltage wire harnesses is characterized by comprising a first magnetic collector and a second magnetic collector; the first magnetic collector is arranged in the second magnetic collector;
a workpiece placing hole is formed in the center of the first magnetic collector and is of an hourglass structure; one side of the first magnetic collector is provided with a first magnetic collecting slit along the radius direction of the first magnetic collector;
the second magnetic collector is of a cylindrical structure, a fixing plate is arranged in the second magnetic collector, and the first magnetic collector is arranged on the fixing plate; a contact hole is formed in the center of the fixing plate; a second magnetic collecting gap along the radius direction of the second magnetic collector is arranged at the position, corresponding to the first magnetic collecting gap, on one side of the second magnetic collector; the first magnetic flux collection gap is less than or equal to the second magnetic flux collection gap.
Further, the first magnetic collector and the second magnetic collector are split magnetic collectors.
Further, the first magnetic collector is divided into two symmetrical semi-flange structures along the diameter direction, and the second magnetic collector is divided into two symmetrical semi-cylindrical structures along the diameter direction; after the assembly, one sides of the opposite inner side surfaces of the two half flange structures of the first magnetic collector are connected, and a gap is formed at the other side of the first magnetic collector to form a first magnetic collecting gap; one sides of the opposite inner side surfaces of the two semi-cylindrical structures of the second magnetic collector are connected, and a gap is formed at the other side of the opposite inner side surfaces of the two semi-cylindrical structures of the second magnetic collector to form a second magnetic collecting seam; the two semi-flange structures of the first magnetic collector or the two semi-cylindrical structures of the second magnetic collector are connected through a reinforcing structure.
Furthermore, the first magnetism collecting device is two semi-cylindrical structures which are symmetrical along the diameter direction, and a groove is formed in the middle of the outer side face of each semi-cylindrical structure in a surrounding mode.
Further, the gap between the first magnetic collecting gap and the second magnetic collecting gap is 0.5-1.0 mm.
Furthermore, a plurality of first fixing holes are uniformly arranged on the first magnetic collector in a surrounding manner; a second fixing hole matched with the first fixing hole is formed in the fixing plate of the second magnetic collector in a surrounding mode; the first magnetic collector penetrates through the first fixing hole and the second fixing hole through a bolt and is matched with a nut to be locked and installed on the fixing plate of the second magnetic collector.
Furthermore, a contact circular surface is arranged at the lower part of the first magnetic collector, and when the first magnetic collector is arranged in the second magnetic collector, the contact circular surface is connected with the contact hole.
Further, a workpiece is placed in the workpiece placing hole of the first magnetic collector, and the bottom of the workpiece extends into the second magnetic collector; the coil is sleeved on the outer side surface of the second magnetic collector; one end of the capacitor is respectively connected with the coil and the power supply through leads, and the other end of the capacitor is respectively connected with the discharge switch and the charge switch through leads; the other end of the power supply is connected with the discharging switch through a wire, and the other end of the coil is connected with the charging switch through a wire.
The utility model has the beneficial effects that:
the magnetic collector has a simple structure, and only the first magnetic collector and the second magnetic collector with different apertures need to be processed according to the processing requirements of wire harness terminals with different specifications by matching the first magnetic collector and the second magnetic collector and the design of the split magnetic collector, so that the processing cost of the magnetic collector is effectively reduced, and the dismounting efficiency is improved.
According to the utility model, the coil is sleeved outside the second magnetic collector, so that the size of the coil can be effectively reduced. According to the utility model, the second magnetic collector with higher structural strength bears the reaction force of the workpiece on the first magnetic collector, so that the service life of the first magnetic collector is ensured.
Drawings
FIG. 1 is an exploded view of a shaped magnetic concentrator assembly applicable to a multi-specification new energy high-voltage wire harness according to the present invention;
FIG. 2 is an assembly drawing of a shaped magnetic concentrator applicable to a multi-specification new energy high-voltage wire harness according to the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic view of a first magnetic concentrator according to the present invention;
FIG. 5 is a schematic view of a second magnetic concentrator according to the present invention;
FIG. 6 is an exploded view of a split magnetic concentrator of the present invention;
FIG. 7 is an assembly view of the split magnetic concentrator of the present invention;
FIG. 8 is a cross-sectional view taken along line B-B of FIG. 7;
FIG. 9 is a schematic view of a split first magnetic concentrator of the present invention;
FIG. 10 is a schematic view of a second split magnetic concentrator according to the present invention;
FIG. 11 is a schematic view of another structure of the split first magnetic concentrator of the present invention;
fig. 12 is a schematic circuit diagram of a forming magnetic collector applicable to a multi-specification new energy high-voltage wire harness according to the present invention.
Wherein: 10-workpiece, 20-bolt, 30-first magnetic collector, 301-first fixing hole, 302-workpiece placing hole, 303-first magnetic collecting seam, 304-contact circular surface, 40-second magnetic collector, 401-second fixing hole, 402-contact hole, 403-second magnetic collecting seam, 404-second magnetic collector outer side surface, 50-nut, 60-coil, 70-power supply, 80-capacitor, 91-discharge switch and 92-charge switch.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present application, the present invention will be further described in detail below with reference to the accompanying drawings and examples.
The terms of orientation such as up, down, left, right, front, and rear in the present specification are established based on the positional relationship shown in the drawings. The corresponding positional relationship may also vary depending on the drawings, and therefore, should not be construed as limiting the scope of protection.
In the present invention, the terms "mounted," "connected," "fixed," and the like are to be understood in a broad sense, and for example, may be fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected or capable of communicating with each other, directly connected, indirectly connected through an intermediate medium, or communicated between two components, or interacting between two components. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The embodiment describes a forming magnetic collector applicable to multi-specification new energy high-voltage wire harnesses, which can realize electromagnetic pulse forming of wire harness terminals of various specifications.
As shown in fig. 1 to 3, the magnet collector includes a bolt 20, a first magnet collector 30, a second magnet collector 40, and a nut 50. The first magnetic collector 30 is placed in the second magnetic collector 40 and is fastened by the bolt 20 and the nut 50. When the magnetic collector assists in electromagnetic pulse forming, the workpiece 10 is placed in the first magnetic collector 30, the coil 60 is sleeved outside the second magnetic collector 40, and the coil 60 is connected with a pulse circuit.
Specifically, the first magnetic collector 30 has a flange structure, as shown in fig. 4, the upper portion of the first magnetic collector is a flange, the flange is uniformly surrounded by a plurality of first fixing holes 301, the bolt 20 penetrates through the first fixing holes 301 to connect with the second magnetic collector 40, the lower portion of the first magnetic collector 30 is a boss, the boss and the flange are coaxially arranged, the bottom surface of the boss is a contact circular surface 304, and the contact circular surface 304 is a contact surface where the first magnetic collector 30 and the second magnetic collector 40 are connected. A workpiece placement hole 302 is provided in the center of the first magnet collector 30, and the workpiece 10 protrudes from the workpiece placement hole 302 into the second magnet collector 40. The workpiece placement hole 302 is of an hourglass structure, that is, the diameter of the workpiece placement hole 302 is gradually reduced from the two ends of the hole to the middle of the hole, and the diameter of the middle of the workpiece placement hole 302 is the smallest and is matched with the workpiece 10, so that magnetic field energy can be gathered. One side of the first magnetic collector 30 is provided with a first magnetic collecting slit 303 which is cut along the radius direction of the first magnetic collector 30, and the closed ring of the first magnetic collector 30 is cut off to form a C-shaped non-closed ring body.
The second magnetic collector 40 is integrally of a cylindrical structure, as shown in fig. 5, a fixing plate is arranged in the second magnetic collector 40, a second fixing hole 401 matched with the first fixing hole 301 is annularly arranged on the fixing plate, and the bolt 20 passes through the first fixing hole 301 and the second fixing hole 401 and is locked by the nut 50 to fix the first magnetic collector 30 in the second magnetic collector 40. The fixing plate is centrally provided with a contact hole 402 for interfacing with the contact circular surface 304 of the first magnetic collector 30. Second oneA second magnetism collecting gap 403 which is cut along the radius direction of the second magnetism collecting device 40 is arranged at the position of one side of the magnetism collecting device 40 corresponding to the first magnetism collecting gap 303, the closed ring of the second magnetism collecting device 40 is cut off to form a C-shaped non-closed ring body, and the gap d of the first magnetism collecting gap 3031Gap d between the second magnetic collecting gap 403 and less2. Preferably, the gap d1、d2The diameter is 0.5-1.0mm, and the magnetic collection effect is better. After the second magnetic collector 40 is sleeved in the coil 60, the outer side surface 404 of the second magnetic collector is connected with the coil 60.
Preferably, the first magnetic collector 30 and the second magnetic collector 40 are split magnetic collectors, which can realize electromagnetic pulse forming of wire harness terminal workpieces 10 with different specifications, and the split magnetic collectors are easier to manufacture and process.
As shown in fig. 6 to 8, the first magnetic concentrator 30 is divided into two symmetrical half-flange structures in the diameter direction, and the second magnetic concentrator 40 is divided into two symmetrical half-cylindrical structures in the diameter direction. After the first magnetic collector 30 and the second magnetic collector 40 are assembled in the coil 60, one side of the opposite inner side surfaces of the two semi-flange structures of the first magnetic collector 30 is connected, a gap is formed between the opposite side of the opposite inner side surfaces of the two semi-cylindrical structures of the second magnetic collector 40, and a gap is formed between the opposite inner side surfaces of the two semi-cylindrical structures of the first magnetic collector 30 and the second magnetic collector 403.
In addition, as shown in fig. 9, the outer end of the upper flange plate of the opposite inner side surface of the half-flange structure of the first magnetic collector 30 has an arc-shaped chamfer, which is beneficial to avoiding the concentration effect of the current of the sharp structure and effectively improving the overall magnetic collection effect. As shown in fig. 10, the opposite inner side surfaces of the semi-cylindrical structures of the second magnetic collectors 40 are flat surfaces, so as to ensure uniform gaps between the two semi-cylindrical structures.
Or in another embodiment, the first magnetic collectors 30 are two semi-cylindrical structures symmetrical along the diameter direction, and a groove is formed around the middle of the outer side surface of each semi-cylindrical structure, specifically, the first magnetic collectors include an upper semi-cylindrical structure, a lower semi-cylindrical structure, and a connecting structure, as shown in fig. 11, the upper semi-cylindrical structure is connected to the lower semi-cylindrical structure through the connecting structure. During assembly, the lower semi-cylindrical structure is arranged on the fixing plate in the second magnetic collector 40, the bolt 20 penetrates through the upper semi-cylindrical structure, the lower semi-cylindrical structure and the second fixing hole 401 of the second magnetic collector 40 and is locked through the nut 50 to connect the first magnetic collector 30 and the second magnetic collector 40, and the connection of the first magnetic collector 30 and the second magnetic collector 40 can be more stable through the semi-cylindrical split structure.
In addition, in order to ensure that the first and second magnetic collectors 30 and 40 are maintained at predetermined installation positions without being separated during the forming of the workpiece 10, the first and second magnetic collectors 30 and 40 are also fixed by a reinforcing structure. The reinforcing structure may adopt an existing locking reinforcing structure, such as bolting the second magnetic collector 40 to the mounting plate, or bolting the first magnetic collector 30 and the second magnetic collector 40 by using a strap having a first fixing hole 301, wherein during assembly, the strap is placed on the two split structures of the first magnetic collector 30, the bolt 20 firstly passes through the first fixing hole 301 on the strap and then connects the first magnetic collector 30 and the second magnetic collector 40, and the strap fixedly connects the two split structures of the first magnetic collector 30.
As shown in fig. 12, the pulse circuit of this embodiment includes a coil 60, a power supply 70, a capacitor 80, a discharge switch 91, and a charge switch 92, wherein one end of the capacitor 80 is respectively connected to the coil 60 and the power supply 70 via wires, the other end is respectively connected to the discharge switch 91 and the charge switch 92 via wires, the other end of the coil 60 is connected to the charge switch 92 via wires, and the other end of the power supply 70 is connected to the discharge switch 91 via wires.
When the charging switch 92 is closed, the discharging switch 92 is opened, the 220V alternating current power supply 70 charges the capacitor 80, the charging switch 92 is opened after the capacitor 80 is saturated, the capacitor 80 starts to discharge to the coil 60 after the discharging switch 91 is closed, a changing pulse excitation current is formed in the coil 60, according to the electromagnetic induction law, an induced current in an opposite direction is generated on the outer side surface 404 of the second magnetic collector by a strong magnetic field of the coil 60, the induced current flows to the surface of the workpiece placing hole 302 along the second magnetic collecting seam 403 and the first magnetic collecting seam 303, a strong magnetic field is induced around the workpiece placing hole 302, another pulse magnetic field is generated on the surface of the workpiece 10 in the workpiece placing hole 302 due to the electromagnetic induction law, and mutual repulsive force is generated between the workpiece placing hole 302 and the workpiece 10 to push the workpiece 10 to deform at a high speed in the radial direction.
In the forming process of the workpiece 10, the reaction force of the workpiece 10 to the first magnet collector 30 is in contact with the contact hole 402 of the second magnet collector 40 through the contact circular surface 304 of the first magnet collector 30, so that the reaction force is transmitted to the second magnet collector 40 with higher structural strength, and the service life of the first magnet collector 30 is ensured.
In addition, the first magnetic collector 30 and the second magnetic collector 40 of the present embodiment are made of a material having high strength and high electrical conductivity, such as chromium zirconium copper.
While the principles of the utility model have been described in detail in connection with the preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing embodiments are merely illustrative of exemplary implementations of the utility model and are not limiting of the scope of the utility model. The details of the embodiments are not to be interpreted as limiting the scope of the utility model, and any obvious changes, such as equivalent alterations, simple substitutions and the like, based on the technical solution of the utility model, can be interpreted without departing from the spirit and scope of the utility model.
Claims (8)
1. The forming magnetic collector applicable to the high-voltage wire harnesses of the new energy with multiple specifications is characterized by comprising a first magnetic collector (30) and a second magnetic collector (40); the first magnetic collector (30) is disposed within the second magnetic collector (40);
a workpiece placing hole (302) is formed in the center of the first magnetic collector (30), and the workpiece placing hole (302) is of an hourglass structure; one side of the first magnetic collector (30) is provided with a first magnetic collecting slit (303) along the radius direction of the first magnetic collector (30);
the second magnetic collector (40) is of a cylindrical structure, a fixing plate is arranged in the second magnetic collector (40), and the first magnetic collector (30) is arranged on the fixing plate; the center of the fixed plate is provided with a contact hole (402); a second magnetism collecting gap (403) along the radius direction of the second magnetism collecting device (40) is arranged at the position, corresponding to the first magnetism collecting gap (303), of one side of the second magnetism collecting device (40); the gap of the first magnetic collection gap (303) is less than or equal to the gap of the second magnetic collection gap (403).
2. The shaped magnetic concentrator applicable to multi-specification new energy high-voltage wire harnesses according to claim 1, wherein the first magnetic concentrator (30) and the second magnetic concentrator (40) are split magnetic concentrators.
3. The shaped magnetic collector applicable to the multi-specification new energy high-voltage wire harness according to claim 2, wherein the first magnetic collector (30) is divided into two symmetrical semi-flange structures along the diameter direction, and the second magnetic collector (40) is divided into two symmetrical semi-cylindrical structures along the diameter direction; after assembly, one side of the opposite inner side surfaces of the two half flange structures of the first magnetism collector (30) is connected, and a gap is formed at the other side of the opposite inner side surfaces of the two half flange structures to form a first magnetism collecting gap (303); one sides of the opposite inner side surfaces of the two semi-cylindrical structures of the second magnetic collector (40) are connected, and a gap is formed at the other side of the two semi-cylindrical structures to form a second magnetic collecting seam (403); the two half-flange structures of the first magnetic collector (30) or the two half-cylindrical structures of the second magnetic collector (40) are connected by a reinforcing structure.
4. The forming magnetic collector applicable to the multi-specification new energy high-voltage wire harness according to claim 3, wherein the first magnetic collector (30) is of two semi-cylindrical structures which are symmetrical along a diameter direction, and a groove is formed in the middle of the outer side surface of each semi-cylindrical structure in a surrounding mode.
5. The shaped magnetic collector applicable to the multi-specification new energy high-voltage wire harness according to claim 1, wherein a gap between the first magnetic collecting slit (303) and the second magnetic collecting slit (403) is 0.5-1.0 mm.
6. The forming magnetic collector applicable to the multi-specification new energy high-voltage wire harness according to claim 1, wherein a plurality of first fixing holes (301) are uniformly arranged on the first magnetic collector (30) in a surrounding mode; a second fixing hole (401) matched with the first fixing hole (301) is formed in the fixing plate of the second magnetic collector (40) in a surrounding mode; the first magnetic collector (30) penetrates through the first fixing hole (301) and the second fixing hole (401) through a bolt (20) and is matched with a nut (50) to be locked and installed on the fixing plate of the second magnetic collector (40).
7. The shaped magnetic collector applicable to the multi-specification new energy high-voltage wire harness according to claim 1, wherein a contact circular surface (304) is arranged at the lower part of the first magnetic collector (30), and when the first magnetic collector (30) is installed in the second magnetic collector (40), the contact circular surface (304) is connected with the contact hole (402).
8. The shaped magnetic collector applicable to the multi-specification new energy high-voltage wire harness according to claim 1, wherein a workpiece (10) is placed in the workpiece placing hole (302) of the first magnetic collector (30), and the bottom of the workpiece (10) extends into the second magnetic collector (40); the coil (60) is sleeved on the outer side surface (404) of the second magnetic collector; one end of a capacitor (80) is respectively connected with the coil (60) and the power supply (70) through leads, and the other end of the capacitor (80) is respectively connected with a discharge switch (91) and a charge switch (92) through leads; the other end of the power supply (70) is connected with the discharging switch (91) through a lead, and the other end of the coil (60) is connected with the charging switch (92) through a lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123400137.0U CN216529769U (en) | 2021-12-30 | 2021-12-30 | Forming magnetic collector applicable to multi-specification new energy high-voltage wire harnesses |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123400137.0U CN216529769U (en) | 2021-12-30 | 2021-12-30 | Forming magnetic collector applicable to multi-specification new energy high-voltage wire harnesses |
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| CN216529769U true CN216529769U (en) | 2022-05-13 |
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| CN202123400137.0U Active CN216529769U (en) | 2021-12-30 | 2021-12-30 | Forming magnetic collector applicable to multi-specification new energy high-voltage wire harnesses |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799170A (en) * | 2022-05-31 | 2022-07-29 | 智磁(重庆)科技有限责任公司 | Spiral groove type flat plate magnetic collector applied to electromagnetic pulse axial pressing |
-
2021
- 2021-12-30 CN CN202123400137.0U patent/CN216529769U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799170A (en) * | 2022-05-31 | 2022-07-29 | 智磁(重庆)科技有限责任公司 | Spiral groove type flat plate magnetic collector applied to electromagnetic pulse axial pressing |
| CN114799170B (en) * | 2022-05-31 | 2024-02-13 | 智磁(重庆)科技有限责任公司 | Spiral groove type flat plate magnetic collector applied to electromagnetic pulse axial pressing |
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