Inductor forming device

Abstract

The utility model relates to the technical field of inductor production, and specifically to an inductor forming device, including a base, a lower mold assembly arranged on the base, a guide assembly arranged on the base, a middle mold assembly connected to the guide assembly, an upper mold assembly arranged above the middle mold assembly, and a balancing assembly arranged on the base; the balancing assembly includes a balancing seat arranged on the base, a pressure seat connected to the middle mold assembly, a pressure rod arranged on the balancing seat, and a lower pressure piece connected to the upper mold assembly and corresponding to the pressure rod; the pressure rod and the balancing seat are rotatably connected. During the die-casting process, the cooperation between the various components of the balancing assembly of the utility model can drive the middle mold assembly to move downward at the same time, so that the upper mold assembly and the lower mold assembly apply pressure from the upper and lower sides at the same time, so that the overall pressure during the die-casting process is balanced, avoiding the problem of creases on the electrode due to uneven force, ensuring product quality, and ensuring the yield rate.

Description

Technical Field

[0001] The utility model relates to the technical field of inductor production, in particular to an inductor forming device. Background Art

[0002] Inductor, also known as choke, reactor, dynamic reactor, is a component that can convert electrical energy into magnetic energy and store it. The structure of the inductor is similar to that of a transformer, but it has only one winding. The inductor has a certain inductance, which only hinders the change of current. Inductors are widely used in various fields such as machinery and electricity. One-piece molded inductor is one of the inductors. It generally includes a winding and a seat wrapped around the outside of the winding. During production, the winding is wrapped with metal powder and then die-cast. Electrodes are connected to both ends of the winding, and the electrodes extend from the side of the seat to the outside of the seat. Die-casting molds are required for the production of one-piece molded inductors. The die-casting mold of the inductor generally has two parts, an upper mold and a lower mold. The coil winding is placed in the molding part of the lower mold, and then metal powder is filled into the molding part. Then, the upper mold is pressed down by a press, and finally the inductor is die-cast. However, this method is that the upper mold is pressed down unilaterally. During the pressing process, the electrodes of the inductor are prone to creases, which affects the product quality. Utility Model Content

[0003] In order to solve the above problems, the utility model provides an inductor forming device. Under the action of a balancing component, an upper mold component and a lower mold component move relative to each other from both sides toward a middle mold component to balance the pressure and avoid creases on the electrode.

[0004] The utility model is implemented by the following scheme:

[0005] An inductor forming device, characterized in that it includes a base, a lower mold assembly arranged on the base, a guide assembly arranged on the base, a middle mold assembly connected to the guide assembly, an upper mold assembly arranged above the middle mold assembly, and a balancing assembly; the balancing assembly includes a balancing seat arranged on the base, a pressure seat connected to the middle mold assembly, a pressure rod arranged on the balancing seat for pressing the pressure seat, a lower pressure piece connected to the upper mold assembly and corresponding to the pressure rod, and the pressure rod and the balancing seat are rotatably connected.

[0006] Furthermore, the lower mold assembly includes a lower mold base arranged on the base, a lower fixing base arranged on the lower mold base, and a plurality of lower molding parts arranged on the lower fixing base.

[0007] Furthermore, the upper mold assembly includes an upper mold base, an upper mold plate arranged at the bottom of the upper mold base, an upper fixed base arranged at the bottom of the upper mold plate, and a plurality of upper molding parts corresponding to the lower molding parts arranged at the bottom of the upper fixed base.

[0008] Furthermore, the middle mold assembly includes a middle mold base movably connected to the guide assembly, a middle mold body arranged on the middle mold base, and a pressure plate arranged on the middle mold body.

[0009] Furthermore, the middle mold base is provided with a plurality of cylinders for driving the pressing plate to move in a vertical direction, and the output ends of the cylinders are connected to the pressing plate.

[0010] Furthermore, the middle mold body is provided with a plurality of molding holes, and the top surface of the middle mold body is provided with a plurality of positioning molding bosses.

[0011] Furthermore, the pressing plate is provided with a plurality of through holes, a plurality of pressing blocks are provided on the bottom surface of the pressing plate, and pressing grooves are provided on the middle mold body at positions corresponding to the pressing blocks.

[0012] Furthermore, an elastic member is connected between the pressure-bearing seat and the balancing seat.

[0013] Furthermore, the guide assembly includes a guide seat arranged on the base and a guide rod arranged on the guide seat.

[0014] Furthermore, a first roller corresponding to the lower pressing member is disposed at one end of the pressure rod, and a second roller corresponding to the pressure seat is disposed on a side surface of the pressure rod.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model is provided with a balancing component. When the upper die component is pressed down during the die-casting process, the cooperation between the various components of the balancing component can drive the middle die component to move downward at the same time, forming the effect that the lower die component and the upper die component move toward the middle die component at the same time, so that the upper die component and the lower die component apply pressure from both the upper and lower sides at the same time, so that the overall pressure in the die-casting process is balanced, avoiding the problem of creases on the electrode due to uneven force, ensuring product quality and ensuring the yield rate. On the other hand, the middle die component can move in the vertical direction. After the die-casting is completed, the middle die component moves downward relative to the lower die component, which can enable the inductor to be quickly demolded, thereby improving the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a schematic structural diagram of an inductor forming device.

[0018] Figure 2 It is a schematic diagram of the utility model from another angle.

[0019] Figure 3 for Figure 2 Enlarged view of part A in the middle.

[0020] Figure 4 It is a schematic diagram of the utility model from the bottom side.

[0021] Figure 5 It is a partial schematic diagram of the lower mold assembly of the utility model.

[0022] Figure 6 It is a partial schematic diagram of the upper mold assembly of the utility model.

[0023] Included in the picture are:

[0024] Base 1, lower mold assembly 2, lower mold seat 21, lower fixed seat 22, lower molding part 23, elastic part 24, guide assembly 3, guide seat 31, guide rod 32, middle mold assembly 4, middle mold seat 41, middle mold body 42, pressure plate 43, cylinder 44, molding hole 45, positioning molding boss 46, through hole 47, pressure block 48, pressure groove 49, upper mold assembly 5, upper mold seat 51, upper fixed seat 52, upper molding part 53, balancing assembly 6, balancing seat 61, pressure seat 62, pressure rod 63, lower pressure part 64, first roller 65, second roller 66. DETAILED DESCRIPTION

[0025] In order to facilitate those skilled in the art to understand the present invention, the present invention will be further described in detail below in conjunction with specific embodiments and drawings.

[0026] Reference Figures 1 to 6 The present embodiment provides an inductor molding device, an inductor molding device, characterized in that it includes a base 1, a lower mold assembly 2 arranged on the base 1, a guide assembly 3 arranged on the base 1, a middle mold assembly 4 connected to the guide assembly 3, an upper mold assembly 5 arranged above the middle mold assembly 4, and a balancing assembly 6.

[0027] The balancing assembly 6 includes a balancing seat 61 disposed on the base 1, a pressure seat 62 connected to the middle mold assembly 4, a pressure rod 63 disposed on the balancing seat 61 for pressing the pressure seat 62, a lower pressure piece 64 connected to the upper mold assembly 5 and corresponding to the pressure rod 63, and one end of the pressure rod 63 is rotatably connected to the balancing seat 61. In this embodiment, two groups of balancing assemblies 6 are provided, and the two groups of balancing assemblies 6 are respectively located in the middle of the two long sides of the base 1, and two lower pressure pieces 64 and two pressure seats 62 are correspondingly provided. Of course, in the specific implementation, more balancing assemblies 6 can also be provided according to actual production needs. In addition, one end of the pressure rod 63 is provided with a first roller 65 corresponding to the lower pressure piece 64, and the side of the pressure rod 63 is provided with a second roller 66 corresponding to the pressure seat 62.

[0028] When the upper die assembly 5 moves downward, the lower pressure piece 64 contacts the first roller 65 at one end of the pressure rod 63. The pressure rod 63 rotates under the drive of the lower pressure piece 64. While the pressure rod 63 rotates, the second roller 66 contacts the pressure seat 62, causing the pressure seat 62 to move downward. The pressure seat 62 in turn drives the middle die assembly 4 to move downward. Taking the middle die assembly 4 as a reference, the lower die assembly 2 moves upward relative to the middle die assembly 4, which is equivalent to the upper die assembly 5 and the lower die assembly 2 moving toward the middle die assembly 4 from the upper and lower sides respectively, and applying pressure from the upper and lower sides at the same time. During the die-casting process, the overall pressure is more balanced, thereby avoiding the situation where wrinkles on the electrode due to uneven force are caused.

[0029] In this embodiment, an elastic member 24 is connected between the pressure bearing seat 62 and the balancing seat 61. The elastic member 24 is a spring. After the die casting is completed, when the upper die assembly 5 is reset, the middle die assembly 4 can be reset under the action of the elastic member 24 and return to the initial position.

[0030] The lower mold assembly 2 includes a lower mold base 21 disposed on the base 1, a lower fixing base 22 disposed on the lower mold base 21, and a plurality of lower molding members 23 disposed on the lower fixing base. In this embodiment, the lower molding members 23 are distributed on the lower fixing base 22 in a rectangular array.

[0031] The upper mold assembly 5 includes an upper mold base 51, an upper mold plate disposed at the bottom of the upper mold base 51, an upper fixed base 52 disposed at the bottom of the upper mold plate, and a plurality of upper molded parts 53 disposed at the bottom of the upper fixed base 52 corresponding to the lower molded parts 23. In this embodiment, the upper molded parts 53 correspond to the lower molded parts 23 and are also arranged in a rectangular array.

[0032] The middle mold assembly 4 includes a middle mold base 41 movably connected to the guide assembly 3, a middle mold body 42 disposed on the middle mold base 41, and a pressure plate 43 disposed on the middle mold body 42. The middle mold body 42 is provided with a plurality of forming holes 45, and the upper forming piece 53 and the lower forming piece 23 are respectively inserted into the forming hole 45 from the upper and lower sides of the forming hole 45, and the number of the forming holes 45 corresponds to the upper forming piece 53 and the lower forming piece 23. The top surface of the middle mold body 42 is provided with a plurality of positioning forming bosses 46, and the positioning forming bosses 46 are specifically provided around the forming hole 45, and the positioning forming bosses 46 are provided with openings corresponding to the positions of the electrodes of the inductor.

[0033] The middle mold base 41 is provided with a plurality of cylinders 44 for driving the pressing plate 43 to move in the vertical direction, and the output end of the cylinder 44 is connected to the pressing plate 43. In this embodiment, four cylinders 44 are provided, which are respectively arranged at the four corners of the middle mold base 41. The four cylinders 44 drive the pressing plate 43 to move at the same time, making the overall movement process smoother and faster. In this embodiment, the pressing plate 43 is provided with a plurality of through holes 47, and the through holes 47 can allow the upper molded part 53 to pass through.

[0034] In addition, a pull rod is connected to the bottom of the middle mold base 41. During die-casting production, the pull rod is connected to a separately provided driving mechanism. After the die-casting of the inductor is completed, the driving mechanism can drive the pull rod to move downward, thereby pulling the middle mold assembly 4 downward, so that the lower molded part 23 passes through the molding hole 45 and is exposed above the middle mold body 42. The molded inductor is also separated from the middle mold body 42 at the same time to achieve demolding. At this time, the molded inductor product can be quickly removed.

[0035] The bottom surface of the pressing plate 43 is provided with a plurality of pressing blocks 48, and the middle mold body 42 is provided with a pressing groove 49 at a position corresponding to the pressing blocks 48. To ensure production efficiency, the die-casting operation is to perform die-casting of multiple inductors at one time. Before die-casting, both ends of the coil winding of the inductor are welded to the metal strip, and a plurality of coil windings are welded to the same metal strip. During die-casting, the metal strip with a plurality of coil windings is placed in the middle mold body 42 (the coil winding enters the forming hole 45), and the pressing block 48 at the bottom of the pressing plate 43 can be used to press the metal strip to avoid deviation during the die-casting process.

[0036] The guide assembly 3 includes a guide seat 31 disposed on the base 1 and a guide rod 32 disposed on the guide seat 31. In this embodiment, four guide assemblies 3 are provided, which are respectively disposed at the four corners of the base 1. At the same time, through holes are provided at the positions of the middle mold base 41, the pressure plate 43, and the upper mold plate corresponding to the guide rod 32, so that the guide rod 32 can pass through when the die-casting mold is closed.

[0037] When the utility model is in use, a press is required to cooperate with the upper mold assembly 5 and the downward driving part of the press, and the base 1 with the lower mold assembly 2 and the middle mold assembly 4 is fixed to the table of the press. In the initial state, the output end of the cylinder 44 extends out, and the pressing plate 43 is separated from the middle mold body 42, and the coil winding can be placed at this time. After the coil winding is placed, the cylinder 44 drives the pressing plate 43 to move downward to press the coil winding. Afterwards, the metal powder feeding mechanism injects the metal powder into the forming hole 45, and the press drives the upper mold assembly 5 to move downward. The middle mold assembly 4 also moves downward under the action of the balancing assembly 6, forming the effect that the upper molded part 53 and the lower molded part 23 move toward each other at the same time, and pressure is applied from both the upper and lower sides to die-cast the metal powder and the coil winding. After the inductor is formed, the upper die assembly 5 is reset, and the pressure plate 43 is lifted upward under the drive of the cylinder 44. The driving mechanism set in the press drives the pull rod to move downward, driving the middle die seat 41 to move downward, so that the upper end of the lower molded part 23 passes through the molding hole 45 and is exposed above the middle die body 42. The inductor is also pushed by the lower molded part 23 to be released from the middle die body 42 at the same time, realizing rapid demolding. At this time, the formed inductor can be quickly taken away, completing a die-casting operation.

[0038] The utility model is provided with a balance component 6. When the upper die component 5 is pressed down during the die-casting process, the cooperation between the various components of the balance component 6 can drive the middle die component 4 to move downward at the same time, forming the effect that the lower die component 2 and the upper die component 5 move toward the middle die component 4 at the same time, so that the upper die component 5 and the lower die component 2 apply pressure from both the upper and lower sides at the same time, so that the overall pressure during the die-casting process is balanced, avoiding the problem of creases on the electrode due to uneven force, ensuring product quality and ensuring the yield rate. On the other hand, the middle die component 4 can move in the vertical direction. After the die-casting is completed, the middle die component 4 moves downward relative to the lower die component 2, which can enable the inductor to be quickly demolded, thereby improving the operating efficiency.

[0039] In the description of the present invention, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. For example, "up", "down", "left", "right", etc. are only used to indicate a relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0040] The terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0041] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] Although the utility model is described in conjunction with the above specific embodiments, it is obvious that those skilled in the art can make many substitutions, modifications and changes according to the above content. Therefore, all such substitutions, improvements and changes are included in the scope of the appended claims.

Claims

1. An inductor forming device, characterized in that: It includes a base, a lower mold assembly arranged on the base, a guide assembly arranged on the base, a middle mold assembly connected to the guide assembly, an upper mold assembly arranged above the middle mold assembly, and a balancing assembly; the balancing assembly includes a balancing seat arranged on the base, a pressure seat connected to the middle mold assembly, a pressure rod arranged on the balancing seat for pressing the pressure seat, and a lower pressure piece connected to the upper mold assembly and corresponding to the pressure rod; the pressure rod and the balancing seat are rotatably connected.

2. The inductor forming device according to claim 1, characterized in that: The lower mold assembly comprises a lower mold base arranged on the base, a lower fixing base arranged on the lower mold base, and a plurality of lower molding parts arranged on the lower fixing base.

3. The inductor forming device according to claim 2, characterized in that: The upper mold assembly includes an upper mold base, an upper mold plate arranged at the bottom of the upper mold base, an upper fixed base arranged at the bottom of the upper mold plate, and a plurality of upper molding parts corresponding to the lower molding parts arranged at the bottom of the upper fixed base.

4. The inductor forming device according to claim 1, characterized in that: The middle die assembly comprises a middle die seat movably connected to the guide assembly, a middle die body arranged on the middle die seat, and a pressing plate arranged on the middle die body.

5. The inductor forming device according to claim 4, characterized in that: The middle mold base is provided with a plurality of cylinders for driving the pressing plate to move in a vertical direction, and the output ends of the cylinders are connected to the pressing plate.

6. The inductor forming device according to claim 4, characterized in that: The middle mold body is provided with a plurality of forming holes, and the top surface of the middle mold body is provided with a plurality of positioning forming bosses.

7. The inductor forming device according to claim 4, characterized in that: The pressing plate is provided with a plurality of through holes, the bottom surface of the pressing plate is provided with a plurality of pressing blocks, and the middle mold body is provided with pressing grooves at positions corresponding to the pressing blocks.

8. The inductor forming device according to claim 1, characterized in that: An elastic member is connected between the pressure bearing seat and the balancing seat.

9. The inductor forming device according to claim 1, characterized in that: The guide assembly comprises a guide seat arranged on the base and a guide rod arranged on the guide seat.

10. The inductor forming device according to claim 1, characterized in that: A first roller corresponding to the pressing member is disposed at one end of the pressing rod, and a second roller corresponding to the pressure seat is disposed on a side surface of the pressing rod.

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