Punch-formed LED display screen magnetic column and stamping die

Through stamping forming process and special molds, the problem of low production efficiency and accuracy of the LED display magnetic column is solved, and more efficient and accurate magnetic column production is achieved, which improves the reliability and service life of the product.

CN222319693UActive Publication Date: 2025-01-07DONGGUAN JINGZHUO PRECISION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202420856525.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-01-07
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

The existing LED display screen magnetic column has low production efficiency and low accuracy, and is prone to defects such as deformation and cracks, which affects service life and reliability.

Method used

The stamping forming process and special stamping molds are used to stamp the original magnetic column into a finished product through multiple stamping processes, improving production accuracy and efficiency.

Benefits of technology

It improves the production efficiency and accuracy of the magnetic column, reduces processing errors, extends service life, and ensures the normal operation of the LED display.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of LED display accessories, and relates to an LED display screen magnetic column formed through stamping and a stamping die, the magnetic column is applied to the back face of an LED display module, and the magnetic column comprises a mounting part and a thread part arranged at the bottom of the mounting part; threads are arranged on the outer wall of the thread part, and the thread part is used for being in threaded connection with an LED display module; a step is arranged on the top surface of the mounting part in the circumferential direction of the mounting part, a groove for accommodating the magnet sheet is defined, and the step is provided with a notch; a first stamping part of the stamping die is matched with a first stamping die to conduct first-time stamping on an original part of the magnetic column to obtain a semi-finished product, a second stamping part is matched with a second stamping die to conduct second-time stamping on the semi-finished product, and a third stamping part is matched with the second stamping die to be used for further stamping forming of the semi-finished product subjected to second-time stamping. The device has the beneficial effect that the technical problems of low production efficiency and low precision of the existing magnetic column are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of LED display accessories, in particular to a stamping-formed LED display screen magnetic column and a stamping die. Background Art

[0002] At present, the production of LED display magnetic columns mainly adopts traditional machining methods, such as turning and milling. These methods require multiple processes, have low production efficiency, and are prone to machining errors, which affect the assembly accuracy and overall performance of the magnetic columns.

[0003] In addition, the existing magnetic columns are prone to deformation, cracks and other defects during the forming process, which affects the service life and reliability of the magnetic columns. At the same time, due to the uneven distribution of stress generated during the processing, the magnetic columns may become unstable during use, affecting the normal operation of the LED display.

[0004] Therefore, it is necessary to improve the existing magnetic column production equipment and process to improve the production efficiency and quality of the magnetic column. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a stamping-formed LED display screen magnetic column and a stamping die, which solve the technical problems of low production efficiency and low precision of the existing magnetic columns.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0009] In the first aspect, an embodiment of the utility model provides a stamped LED display screen magnetic column, which is applied to the back of an LED display module. The magnetic column includes a mounting portion and a threaded portion arranged at the bottom of the mounting portion; the outer wall of the threaded portion is provided with a thread, and the threaded portion is used to be threadedly connected with the LED display module; the top surface of the mounting portion is provided with a step along its circumferential direction, forming a groove for accommodating a magnet sheet, and the step is provided with a notch.

[0010] Optionally, the cross-sections of the mounting portion and the threaded portion are both circular, and a chamfer is provided at the connection between the mounting portion and the threaded portion.

[0011] Optionally, the notches are arranged in pairs, and a line connecting the notches passes through the center of the mounting portion.

[0012] Optionally, the axis of the threaded portion passes through the center of the mounting portion.

[0013] In the second aspect, an embodiment of the utility model provides a stamping die for stamping and producing the aforementioned magnetic column, including a first stamping part, a first die, a second stamping part, a second die and a third stamping part; wherein, the first stamping part and the first die cooperate with each other to perform a first stamping on the original part of the magnetic column; the second stamping part and the second die cooperate with each other to perform a second stamping on the semi-finished product obtained after the first stamping; the third stamping part and the second die cooperate with each other to further stamp and form the semi-finished product obtained after the second stamping.

[0014] Optionally, the first stamping part comprises a first stamping end for performing a stamping operation, and the first punching die is provided with a first punching groove for placing the original part.

[0015] Optionally, the second stamping part includes a second stamping end for performing a stamping operation, and the second punching die is provided with a second punching groove for placing the semi-finished product.

[0016] Optionally, the third stamping part is provided with a stamping boss, which is used to cooperate with the second punching groove to complete the third stamping. The stamping boss is pressed into the second punching groove, and the shape of the cavity formed by the two is the same as the shape of the magnetic column.

[0017] (III) Beneficial effects

[0018] The beneficial effects of the utility model are as follows: the utility model is a stamped LED display screen magnetic column and stamping die. Due to the use of a stamping die, after a first stamping between a first stamping part and a first die, a second stamping between a second stamping part and the second die, and a third stamping between a third stamping part and the second die, the original magnetic column is stamped into a finished product. The production efficiency of the magnetic column is higher and the production accuracy is higher. Compared with the prior art, the technical problems of low production efficiency and low accuracy of the existing magnetic column are solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic top view of a magnetic column of a stamped LED display screen and a stamping die embodiment 1 of the utility model;

[0020] Figure 2 for Figure 1 A schematic cross-sectional view of a magnetic column at AA;

[0021] Figure 3 It is a cross-sectional schematic diagram of a first stamping part of a stamping die of a stamping die embodiment 2 of a stamping-formed LED display screen magnetic column and a stamping die of the utility model;

[0022] Figure 4 It is a schematic cross-sectional view of a first punching die of a punching die of a punching-formed LED display screen magnetic column and a punching die embodiment 2 of the utility model;

[0023] Figure 5 It is a cross-sectional schematic diagram of a second stamping part of a stamping die of a stamping die embodiment 2 of a stamping-formed LED display screen magnetic column and a stamping die of the utility model;

[0024] Figure 6 It is a schematic cross-sectional view of a second punching die of a punching die embodiment 2 of a punching-formed LED display screen magnetic column and a punching die of the utility model;

[0025] Figure 7 It is a cross-sectional schematic diagram of the third stamping part of the stamping die of Example 2 of a stamped LED display screen magnetic column and a stamping die of the utility model.

[0026] [Description of Reference Numerals]

[0027] 11. first stamping part; 111. first stamping end; 12. first punching die; 121. first punching groove;

[0028] 21. second stamping part; 211. second stamping end; 22. second punching die; 221. second punching groove;

[0029] 3. The third stamping part; 31. Stamping boss;

[0030] 4. Magnetic column; 41. Mounting portion; 410. Step; 411. Groove; 412. Notch; 42. Threaded portion; 43. Chamfer. DETAILED DESCRIPTION

[0031] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below in conjunction with the accompanying drawings through specific implementation methods. Figure 2 The orientation of is used as a reference, with the location of the mounting portion 41 being “up” and the direction of the threaded portion 43 being “down”.

[0032] The utility model provides a stamped magnetic column and stamping die for an LED display screen. The magnetic column is applied to the back of an LED display module. The magnetic column includes a mounting portion and a threaded portion arranged at the bottom of the mounting portion. The outer wall of the threaded portion is provided with threads, and the threaded portion is used to be threadedly connected with the LED display module. The top surface of the mounting portion is provided with steps along its circumferential direction to form a groove for accommodating a magnet sheet, and the step is provided with a notch. The first stamping part of the stamping die cooperates with the first die to perform a first stamping on the original part of the magnetic column to obtain a semi-finished product, the second stamping part and the second die cooperate with each other to perform a second stamping on the semi-finished product, and the third stamping part cooperates with the second die to further stamp and form the semi-finished product after the second stamping. Compared with the prior art, the utility model solves the technical problems of low production efficiency and low precision of the existing magnetic columns.

[0033] In order to better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a clearer and more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0034] Embodiment 1:

[0035] Reference Figure 1 , this embodiment 1 provides a stamped LED display screen magnetic column, which is installed on the back of the LED display module.

[0036] Reference Figure 1 and Figure 2 The magnetic column 4 includes a mounting portion 41 and a threaded portion 42 disposed at the bottom of the mounting portion 41. The outer wall of the threaded portion 42 is provided with threads, and the threaded portion 42 is used to be threadedly connected with the LED display module. The top surface of the mounting portion 41 is provided with steps 410 along its circumferential direction, forming a groove 411 for accommodating the magnet sheet. The groove of the magnetic column 4 is used to install the magnet sheet so that the LED display module can realize the magnetic attraction function.

[0037] In actual production and application, the cross-sections of the mounting portion 41 and the threaded portion 42 are both circular, the magnet piece adapted to the groove 411 is cylindrical, and a chamfer 43 is provided at the connection between the mounting portion 41 and the threaded portion 42. The axis of the threaded portion 42 passes through the center of the mounting portion 41.

[0038] Reference Figure 1 In order to facilitate disassembly and assembly, the step 410 is provided with a notch 412, and the notch 412 is used to cooperate with a tool to screw the magnetic column 4. The notches 412 are symmetrically arranged in pairs, and the connecting line thereof passes through the center of the mounting portion 41.

[0039] Embodiment 2:

[0040] Reference Figures 3 to 7 This embodiment 2 provides a stamping die for stamping and producing the aforementioned magnetic column 4 , including a first stamping part 11 , a first die 12 , a second stamping part 21 , a second die 22 and a third stamping part 3 .

[0041] See also Figure 3 and Figure 4 The first punching piece 11 cooperates with the first punching die 12 to punch the original piece of the magnetic column 4 for the first time. The first punching piece 11 includes a first punching end 111 for punching, and the first punching die 12 is provided with a first punching slot 121 for placing the original piece.

[0042] The original part of the magnetic column 4 is a material obtained by cutting the wire. The first punching groove 121 is similar to the step 410 hole, and its upper diameter is 4.8mm, the upper height is 13mm, and the lower diameter is 2.12mm. The position where the first punching groove 121 is connected to the top surface of the first die 12 is set as a rounded corner. The first punching end 111 is provided with a through hole at a position opposite to the first punching groove 121, and the diameter of the through hole is 4.75mm.

[0043] See also Figure 5 and Figure 6 The second punching part 21 and the second punching die 22 cooperate with each other to perform a second punching on the semi-finished product obtained by the first punching. The second punching part 21 includes a second punching end 211 for punching, and the second punching die 22 is provided with a second punching groove 221 for placing the semi-finished product.

[0044] The second punching end 211 is provided with a countersunk hole, which includes a frustoconical groove recessed into the surface of the punching end and a through hole penetrating therethrough, and the diameter of the through hole is 2 mm. The angle formed by the two opposite sides of the frustoconical groove is 130 degrees, and the diameter of the opening of the groove is 10 mm. The second punching groove 221 is a step 410 hole, the diameter of the upper part of which is 10.95 mm, the height is 2.6 mm, and the diameter of the lower part is 2.16 mm.

[0045] See also Figure 5 and Figure 7 The third stamping part 3 cooperates with the second punch die 22 to further stamp the semi-finished product after the second stamping. The third stamping part 3 is provided with a stamping boss 31, the diameter of the stamping boss 31 is 9.68mm, and the height of the protrusion is 1.32mm. The stamping boss 31 is used to cooperate with the second punch groove 221 to complete the third stamping. The stamping boss 31 is pressed into the second punch groove 221, and the shape of the cavity formed by the two is the same as the shape of the magnetic column 4, wherein the stamping boss 31 cooperates with the upper part of the second punch groove 221 to stamp out the mounting part 41 of the magnetic column 4, and the threaded part 42 of the magnetic column 4 is formed at the lower part of the second punch groove 221.

[0046] It should be noted that the size of each component of the stamping die can be adjusted according to the size of the magnetic column 4 to be stamped and produced. The magnetic column 4 obtained after three stampings needs to be further processed, including but not limited to processing threads on the threaded portion 42 and processing notches 412 on the mounting portion 41 to obtain the final finished product of the magnetic column 4, wherein the diameter of the groove 411 of the magnetic column 4 is 9.6±0.1mm, the outer diameter of the mounting portion 41 is 11±0.1mm, the width of the notch 412 is 1.7±0.05mm, the height of the step 410 of the mounting portion 41 is 1.2±0.05mm, the height of the entire mounting portion 41 is 2.8±0.05mm, and the height of the threaded portion 42 is 2.5±0.05mm. The surface of the magnetic column 4 is galvanized.

[0047] In actual production applications, the size specifications of the magnetic column 4 can be adjusted according to actual usage requirements.

[0048] In the description of the present utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. 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.

[0049] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" 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.

[0050] In the present utility model, unless otherwise clearly specified and limited, when a first feature is “on” or “below” a second feature, it may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, when a first feature is “above”, “above” or “above” a second feature, it may be that the first feature is directly above or obliquely above the second feature, or it may simply mean that the first feature is higher in level than the second feature. When a first feature is “below”, “below” or “below” a second feature, it may be that the first feature is directly below or obliquely below the second feature, or it may simply mean that the first feature is lower in level than the second feature.

[0051] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0052] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A stamped LED display screen magnetic column, applied to the back of the LED display module, characterized in that: The magnetic column (4) comprises a mounting portion (41) and a threaded portion (42) arranged at the bottom of the mounting portion (41); The outer wall of the threaded portion (42) is provided with threads, and the threaded portion (42) is used to be threadedly connected with the LED display module; The top surface of the mounting portion (41) is provided with a step (410) along its circumferential direction, forming a groove (411) for accommodating the magnet sheet, and the step (410) is provided with a notch (412).

2. The stamped LED display screen magnetic column according to claim 1, characterized in that: The cross sections of the mounting portion (41) and the threaded portion (42) are both circular, and a chamfer (43) is provided at the connection between the mounting portion (41) and the threaded portion (42).

3. The stamped LED display screen magnetic column according to claim 2, characterized in that: The notches (412) are arranged in pairs, and a line connecting the notches passes through the center of the mounting portion (41).

4. The stamped LED display screen magnetic column as claimed in claim 3, characterized in that: The axis of the threaded portion (42) passes through the center of the mounting portion (41).

5. A stamping die for stamping and producing a magnetic column (4) as claimed in any one of claims 1 to 4, characterized in that: It comprises a first stamping part (11), a first punching die (12), a second stamping part (21), a second punching die (22) and a third stamping part (3); The first stamping part (11) and the first punching die (12) cooperate with each other to perform a first stamping on the original part of the magnetic column (4); The second punching part (21) and the second punching die (22) cooperate with each other to perform a second punching on the semi-finished product obtained by the first punching; The third punching part (3) cooperates with the second punching die (22) to punch and form the semi-finished product after the second punching.

6. A stamping die according to claim 5, characterized in that: The first punching part (11) comprises a first punching end (111) for performing a punching operation, and the first punching die (12) is provided with a first punching groove (121) for placing the original part.

7. A stamping die according to claim 5, characterized in that: The second punching part (21) comprises a second punching end (211) for performing a punching operation, and the second punching die (22) is provided with a second punching groove (221) for placing the semi-finished product.

8. A stamping die according to claim 7, characterized in that: The third stamping part (3) is provided with a stamping boss (31), and the stamping boss (31) is used to cooperate with the second punching groove (221) to complete the third stamping. The stamping boss (31) is pressed into the second punching groove (221), and the shape of the cavity formed by the two is the same as the shape of the magnetic column (4).