Flat wire forming 3D mold mechanism

Abstract

This invention relates to a 3D mold mechanism for flat wire forming in the field of flat wire motor assembly equipment. The mechanism includes a mold frame assembly, an upper mold core assembly, and a lower mold core assembly. The mold frame assembly includes an upper mold frame unit and a lower mold frame unit. The upper mold frame unit is used to fix the upper mold core assembly, and the lower mold frame unit is used to fix the lower mold core assembly. The lower mold core assembly includes a 3D forming block, a movable block, and a height adjustment block. The upper mold core assembly includes an inward / outward adjustment mechanism. This invention provides a standardized and modular flat wire 3D forming mold. The forming mold has a precise material positioning function and a mechanism for quickly adjusting the inward / outward and height adjustments.

Description

Technical Field

[0001] This invention relates to the field of flat wire motor assembly equipment technology, and in particular to a flat wire forming 3D mold mechanism. Background Technology

[0002] Flat wire motors typically consist of a stator, rotor, and reducer, with the stator being one of the core components. The stator is the stationary part of the motor, usually composed of coils wound with copper wire, and is fixed in place within the motor housing. Its main function is to generate a magnetic field, driving the rotor to rotate, thus completing the motor's operation. The primary function of the stator in a flat-wire motor is to generate a magnetic field, which can be a constant direct current (DC) field or a changing alternating current (AC) field. When the current through the stator coils changes, a change in magnetic flux is generated in the conductor. This change in magnetic flux affects the shape of the magnetic field, which in turn determines the direction and speed of the rotor's rotation. The magnetic field generated in the stator interacts with the magnetic field exhibited in the rotor, causing the rotor to rotate under the influence of torque. In the production and processing of flat wire motor stators, wire forming equipment is required to bend the straightened flat wires to the angle specified in the drawings. As customers demand higher efficiency in stator production, automatic wire insertion has become an inevitable trend in the industry. The precision requirements for hairpin forming are increasing, necessitating rapid product switching and wire type adjustment. The original hairpin forming mold had the following four defects; 1. Each molding machine can only produce one type of hair clip; 2. Hairpins may develop issues such as inward or outward turning, or uneven height. 3. Cannot be quickly redesigned; 4. The product's width, outward or inward toeing, and height cannot be quickly adjusted. Summary of the Invention

[0003] To solve the above-mentioned technical problems, this invention proposes a flat wire forming 3D mold mechanism. The technical solution of this invention is implemented as follows: This invention discloses a flat wire forming 3D mold mechanism, including a mold frame assembly, an upper mold core assembly, and a lower mold core assembly; The mold frame assembly includes an upper mold frame unit and a lower mold frame unit; The upper mold frame unit is used to fix the upper mold core assembly, and the lower mold frame unit is used to fix the lower mold core assembly; The lower mold core assembly includes a 3D molding block, a movable block, and a height adjustment block; The movable blocks are disposed on both sides of the upper edge of the 3D molding block; a gap for flat line forming is provided between the movable blocks and the 3D molding block; The height adjustment blocks are located on both sides of the lower edge of the 3D molding block; The upper mold core assembly includes an inner and outer eight-way adjustment mechanism and a groove that cooperates with the 3D molding block; The position of the inward / outward octagonal adjustment mechanism corresponds to the position of the height adjustment block; The lower mold frame unit is fixed to the circular turntable through the mold fixing holes.

[0004] Furthermore, the upper mold core assembly is provided with a plurality of first positioning pin holes, and the upper mold frame unit is provided with a third positioning pin hole corresponding to the position of the first positioning pin hole.

[0005] Furthermore, the upper mold core assembly is provided with a first bolt, and the upper mold frame unit is provided with a first bolt hole.

[0006] Furthermore, the lower mold core assembly is provided with a plurality of second positioning pin holes, and the lower mold frame unit is provided with a fourth positioning pin hole corresponding to the position of the second positioning pin holes.

[0007] Furthermore, the lower mold core assembly is provided with a second bolt, and the lower mold frame unit is provided with a second bolt hole.

[0008] Furthermore, a guide post is provided between the upper mold frame unit and the lower mold frame unit.

[0009] Furthermore, a guide sleeve is fitted onto the guide post.

[0010] Furthermore, an elastic unit is provided between the upper mold frame unit and the lower mold frame unit.

[0011] Furthermore, the elastic unit includes a spring rod and a spring wound around the spring rod.

[0012] The advantages of this invention are as follows: By automatically changing molds, different line types can be freely switched, enabling each molding machine to produce all line types of the entire stator. In this invention, several molds are fixed on a circular turntable through the mold fixing holes on the lower mold core assembly. By rotating the turntable to change the shape, the stator is placed in one station. With the addition of a wire insertion robot, automatic wire insertion is achieved, improving production efficiency and reducing labor costs. This invention only requires one machine to meet the stator line types of the entire production line. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only one embodiment of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Identical parts are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "bottom surface," "top surface," "inner," and "outer" refer to directions toward or away from the geometric center of a specific part, respectively.

[0015] Figure 1 This is a schematic diagram of the structure of an embodiment of the present invention; Figure 2 This is a structural diagram of the mold frame assembly in an embodiment of the present invention; Figure 3 This is a structural diagram of the upper mold core assembly in an embodiment of the present invention; Figure 4 This is a structural diagram of the lower mold core assembly in an embodiment of the present invention; Figure 5 This is a schematic diagram showing the installation state of the upper mold frame unit and the upper mold core assembly in an embodiment of the present invention; wherein, Figure 5 The left image in the image is a bottom view of the upper mold frame unit; Figure 6 This is a schematic diagram showing the installation status of the lower mold frame unit and the lower mold core assembly in an embodiment of the present invention.

[0016] In the above figures, the figure numbers indicate the following: 1. Mold frame assembly; 1-1, Upper mold frame unit; 1-2, Lower mold frame unit; 1-3, guide sleeve; 1-4, Elastic Units; 1-5, fourth locating pin hole; 1-6, Second bolt hole; 1-7, guide posts; 1-8, Third locating pin hole; 1-9, First bolt hole; 1-10, Mold fixing holes; 2. Upper mold core assembly; 2-1, First bolt; 2-2, Internal and external adjustment mechanism; 2-3, First locating pin hole; 3. Lower mold core assembly; 3-1, Active Block; 3-2, Height adjustment block; 3-3, the second bolt; 3-4, Second locating pin hole. Detailed Implementation

[0017] The technical solutions of the present invention will now be clearly and completely described with reference to the embodiments and accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] Unless otherwise defined, all technical and scientific terms used in this invention have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used in the detailed description is for the purpose of describing particular embodiments only and is not intended to limit the invention; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0019] In the description of specific embodiments of the present invention, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present invention, "multiple" means two or more, unless otherwise explicitly defined.

[0020] In this invention, the reference to "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the invention. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described in this invention can be combined with other embodiments.

[0021] In the description of the embodiments of this invention, the term "and / or" is merely a description of the relationship between associated objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, in this invention, the character " / " generally indicates that the preceding and following associated objects have an "or" relationship.

[0022] The embodiments of the present invention will be described in more detail below through examples. It should be noted that the embodiments of the present invention are not limited to these examples.

[0023] In one specific embodiment, such as Figures 1-6 As shown, the present invention discloses a flat wire forming 3D mold mechanism, including a mold frame assembly 1, an upper mold core assembly 2 and a lower mold core assembly 3; Mold frame assembly 1 includes upper mold frame unit 1-1 and lower mold frame unit 1-2; The upper mold frame unit 1-1 is used to fix the upper mold core assembly 2, and the lower mold frame unit 1-2 is used to fix the lower mold core assembly 3; The lower mold core assembly 3 includes a 3D molding block, a movable block 3-1, and a height adjustment block 3-2; Movable blocks 3-1 are positioned on both sides of the upper edge of the 3D molding block; a gap for flat line forming is provided between the movable blocks 3-1 and the 3D molding block. Height adjustment blocks 3-2 are set on both sides of the lower edge of the 3D molding block; The upper mold core assembly 2 includes an inner and outer eight-way adjustment mechanism 2-2 and a groove that mates with the 3D molding block; The positions of the inward / outward octagonal adjustment mechanism 2-2 and the height adjustment block 3-2 correspond to those of the foot adjustment mechanism 3-2. The lower mold frame unit 1-2 is fixed on the circular turntable through the mold fixing holes 1-10.

[0024] In this embodiment, a number of mold fixing stations are set on the circular turntable. Different molds of different specifications are fixed on different mold fixing stations. When automatic mold changing is required, it is only necessary to control the rotation of the circular turntable (for example, by controlling the rotation of the circular turntable through a rotary motor). In conjunction with an automatic wire insertion machine, automatic wire insertion after automatic product mold changing can be achieved.

[0025] In this embodiment, the upper mold core assembly 2 is provided with a plurality of first positioning pin holes 2-3, and the upper mold frame unit 1-1 is provided with third positioning pin holes 1-8 corresponding to the positions of the first positioning pin holes 2-3.

[0026] In this embodiment, the upper mold core assembly 2 is provided with a first bolt 2-2, and the upper mold frame unit 1-1 is provided with a first bolt hole 1-9.

[0027] In this embodiment, the lower mold core assembly 3 is provided with a plurality of second positioning pin holes 3-4, and the lower mold frame unit 1-2 is provided with a fourth positioning pin hole 1-5 corresponding to the position of the second positioning pin holes 3-4.

[0028] In this embodiment, the lower mold core assembly 3 is provided with a second bolt 3-3, and the lower mold frame unit 1-2 is provided with a second bolt hole 1-6.

[0029] In this embodiment, a guide post 1-7 is provided between the upper mold frame unit 1-1 and the lower mold frame unit 1-2.

[0030] In this embodiment, a guide sleeve 1-3 is fitted onto the guide post 1-7.

[0031] The upper mold base unit 1-1 is fixed with a guide sleeve 1-3, and a guide post 1-7 is provided between the lower mold base unit 1-2. The upper mold base unit 1-1 and the lower mold base unit 1-2 are slidably engaged with the guide sleeve 1-3 through the guide post 1-7.

[0032] In this embodiment, an elastic unit 1-4 is also provided between the upper mold frame unit 1-1 and the lower mold frame unit 1-2.

[0033] In this embodiment, the elastic unit 1-4 includes a spring and a spring rod in the middle of the spring.

[0034] In this embodiment, the elastic unit 1-4 is used to separate the upper mold frame unit 1-1 and the lower mold frame unit 1-2 by a certain distance.

[0035] The specific operation of this embodiment is as follows: 1. The robotic arm places the incoming material (flat wire) into the mold, and the downward driving force drives the movable positioning to position the incoming material; the specific process is as follows: the mold rotates to a fixed position, the robotic arm places the incoming material (flat wire) into the mold, and the pressure power source above the mold presses it down. After the upper mold frame unit 1-1 is subjected to force, it moves down to drive the movable block 3-1 to position the incoming material. After continuing to move down, the incoming material is shaped.

[0036] 2. The inner and outer eight adjustment mechanism 2-2 adjusts the inner and outer eight by restricting the horizontal position of the thread foot; the specific process is: by raising or lowering the inner and outer eight adjustment mechanism 2-2, the inclined surface of the inner and outer eight adjustment mechanism 2-2 presses against the side of the flat thread, either inward or outward, to achieve the effect of adjusting the inner and outer eight.

[0037] 3. The height adjustment block 3-2 adjusts the height of the line by limiting the vertical position of the line. The specific process is as follows: by raising or lowering the height of the height adjustment block 3-2 in the lower mold unit, the vertical position of the line changes, thereby adjusting the height.

[0038] It should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A flat wire forming 3D mold mechanism, characterized in that, Includes mold base assembly, upper mold core assembly, and lower mold core assembly; The mold frame assembly includes an upper mold frame unit and a lower mold frame unit; The upper mold frame unit is used to fix the upper mold core assembly, and the lower mold frame unit is used to fix the lower mold core assembly; The lower mold core assembly includes a 3D molding block, a movable block, and a height adjustment block; The movable blocks are disposed on both sides of the upper edge of the 3D molding block; a gap for flat line forming is provided between the movable blocks and the 3D molding block; The height adjustment blocks are located on both sides of the lower edge of the 3D molding block; The upper mold core assembly includes an inner and outer eight-way adjustment mechanism and a groove that cooperates with the 3D molding block; The position of the inward / outward octagonal adjustment mechanism corresponds to the position of the height adjustment block; The lower mold frame unit is fixed to the circular turntable through the mold fixing holes.

2. The flat wire forming 3D mold mechanism according to claim 1, characterized in that, The upper mold core assembly is provided with a plurality of first positioning pin holes, and the upper mold frame unit is provided with a third positioning pin hole corresponding to the position of the first positioning pin hole.

3. The flat wire forming 3D mold mechanism according to claim 2, characterized in that, The upper mold core assembly is provided with a first bolt, and the upper mold frame unit is provided with a first bolt hole.

4. The flat wire forming 3D mold mechanism according to claim 1, characterized in that, The lower mold core assembly is provided with a plurality of second positioning pin holes, and the lower mold frame unit is provided with a fourth positioning pin hole corresponding to the position of the second positioning pin holes.

5. The flat wire forming 3D mold mechanism according to claim 4, characterized in that, The lower mold core assembly is provided with a second bolt, and the lower mold frame unit is provided with a second bolt hole.

6. The flat wire forming 3D mold mechanism according to claim 1, characterized in that, A guide post is provided between the upper mold frame unit and the lower mold frame unit.

7. The flat wire forming 3D mold mechanism according to claim 6, characterized in that, A guide sleeve is fitted onto the guide post.

8. The flat wire forming 3D mold mechanism according to claim 7, characterized in that, An elastic unit is also provided between the upper mold frame unit and the lower mold frame unit.

9. The flat wire forming 3D mold mechanism according to claim 8, characterized in that, The elastic unit includes a spring rod and a spring wound around the spring rod.

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