Machining device for flange plate nut

Abstract

The utility model relates to the technical field of fasteners, and discloses a flange plate nut machining device which comprises an upper fixing plate, a lower fixing plate, a lower fixing plate, a lower fixing plate and a lower fixing plate. The punching die is arranged in the center of the male die seat and the upper fixing plate in a penetrating manner; the female die base is located below the stamping die and corresponds to the male die base, and a lower fixing plate is arranged at the bottom of the female die base; and the side columns are arranged on the upper fixing plate and the lower fixing plate in a penetrating manner. According to the machining device for the flange plate nut, the stamping die is matched with the female die, shape forming of the flange plate nut can be rapidly completed in one-time stamping operation, it is guaranteed that complex structures such as spline teeth of the nut can be integrally formed through the stamping die, and follow-up machining steps are reduced.

Description

Technical Field

[0001] This utility model relates to the field of fastener technology, and more specifically, to a processing device for flange nuts. Background Technology

[0002] The stamping production of flange nuts is a highly efficient metal forming process that uses molds and presses to process sheet metal into the required flange nut shape.

[0003] During the stamping process, the sheet metal is placed on the stamping press and pressure is applied by the die to cause it to undergo plastic deformation, thereby forming the required flange nut shape. The design of the stamping die is crucial to the quality of the product and the production efficiency. The precision of the die directly affects the size and shape of the final product.

[0004] Traditional stamping equipment typically requires manual die replacement, which involves multiple steps such as disassembling the old die, installing the new die, calibration, and debugging. This process can take several hours or even longer, resulting in low production efficiency.

[0005] Therefore, there is an urgent need for a processing device for flange nuts to solve the technical problem of frequent replacement of existing flange nut molds. Utility Model Content

[0006] In view of this, the present invention proposes a processing device for flange nuts, wherein the punch head of the punch can be directly replaced by adjusting the nut inside the mold without replacing the entire mold, thereby saving process and solving the technical problem of frequent replacement of existing flange nut molds.

[0007] This utility model provides a processing device for flange nuts, comprising:

[0008] The upper fixing plate is connected to the punch seat below the upper fixing plate via a punch buffer;

[0009] The punch is disposed at the center of the punch holder and the upper fixed plate;

[0010] A die holder is located below the punch and is configured corresponding to the punch holder, and a lower fixing plate is provided at the bottom of the die holder;

[0011] Side posts are inserted through the upper fixing plate and the lower fixing plate.

[0012] Preferably, the upper fixing plate has a groove and a first mounting hole, the groove has a through hole in the center, and the side post passes through the first mounting hole.

[0013] Preferably, the punch holder includes:

[0014] The third mounting holes are formed at the four corners of the upper surface of the punch seat, and the punch buffer is installed in the third mounting holes;

[0015] A punching hole is formed in the center of the punch seat, and a punch is provided in the punching hole, and the punching hole and the punch are transitionally fitted.

[0016] Preferably, the die holder includes;

[0017] The working cavity of the die is formed on the upper surface of the die;

[0018] The nut fixing position is located at the center of the working cavity of the die.

[0019] Preferably, the die includes:

[0020] The central shaft is located at the center of the upper surface of the die and passes through the through hole of the upper fixed plate;

[0021] The punch cap is located above the upper fixing plate and is connected to the upper fixing plate by the first adjusting screw, and the central shaft passes through the center of the punch cap;

[0022] The mold cavity tooth profile structure is a raised geometric shape, located below the central axis and on the bottom surface of the punch head.

[0023] Preferably, the punch buffer includes:

[0024] The spring passes through the third mounting hole;

[0025] The guide post is inserted inside the spring.

[0026] Preferably, the lower fixing plate has a second mounting hole, and the side post passes through the second mounting hole.

[0027] Preferably, the side post includes:

[0028] A connecting rod, the upper end of which passes through the first mounting hole, and the lower end of which is provided with a hollow cavity;

[0029] A support column is disposed within the hollow cavity, and the lower end of the support column passes through the second mounting hole.

[0030] Preferably, a fourth mounting hole is provided around the perimeter of the die holder, and a second adjusting screw passes through the fourth mounting hole.

[0031] Preferably, the periphery of the die working cavity is fixed by a first fixing screw, and a second fixing screw is also provided at the bottom of the die working cavity.

[0032] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0033] The punch and die holders are precisely aligned, and the die passes through the geometric center of the punch holder, ensuring high-precision machining of the shape and dimensions of the flange nut during the stamping process. The punch buffer is used to connect the punch holder and the upper fixed plate, which can effectively alleviate the instantaneous impact force generated during the stamping process. In addition, the main components such as the die, punch holder, and die holder adopt a modular design, which facilitates disassembly, adjustment, and maintenance. Attached Figure Description

[0034] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of the invention. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0035] Figure 1 A front view of the flange nut processing device provided in an embodiment of this utility model;

[0036] Figure 2 A first structural schematic diagram of the flange nut processing device provided in an embodiment of this utility model;

[0037] Figure 3 A second structural schematic diagram of the flange nut processing device provided in an embodiment of this utility model;

[0038] Figure 4 A schematic diagram of the bottom surface of the punch head of the punch of the processing device for flange nuts provided in this embodiment of the utility model.

[0039] 1. Upper fixing plate; 11. Central shaft; 12. Punch; 121. Mold cavity tooth structure; 13. Punch cap; 2. Upper die fixing plate; 21. Groove; 22. First mounting hole; 31. Punch seat; 311. Third mounting hole; 312. Punching hole; 32. Die seat; 321. Fourth mounting hole; 322. Die working cavity; 323. Nut fixing position; 4. Punch buffer; 41. Spring; 42. Guide post; 5. Lower fixing plate; 51. Second mounting hole; 61. First adjusting screw; 62. Second adjusting screw; 63. First fixing screw; 64. Second fixing screw; 7. Side post; 71. Connecting rod; 72. Support post. Detailed Implementation

[0040] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0041] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0042] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0043] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0044] This embodiment provides a processing device for flange nuts, including:

[0045] The upper fixed plate 1 is connected to the punch seat 31 below the punch buffer 4;

[0046] The punch 12 is disposed at the center of the punch seat 31 and the upper fixed plate 1;

[0047] The die holder 32 is located below the punch 12 and is configured to correspond to the punch holder 31. The bottom of the die holder 32 is provided with a lower fixing plate 5.

[0048] Side post 7 is installed on the upper fixing plate 1 and the lower fixing plate 5.

[0049] Specifically, the die holder in this embodiment includes a concave die holder 32 and a convex die holder 31, which cooperate to complete cold extrusion molding. The upper fixing plate 1 is made of high-strength material and can withstand the impact force during stamping. The groove 21 and the first mounting hole 22 on the upper fixing plate 1 are used for precise positioning and mounting of the side post 7 to ensure the stability of the entire device. The through hole design allows the central shaft 11 of the die 12 to pass through, ensuring that the movement trajectory of the die 12 is accurate during the stamping process.

[0050] In some embodiments of this application, the upper fixing plate 1 is provided with a groove 21 and a first mounting hole 22, the groove 21 is provided with a through hole in the center, and the side post 7 passes through the first mounting hole 22.

[0051] In some embodiments of this application, the punch holder 31 includes:

[0052] The third mounting hole 311 is opened at the four corners of the upper surface of the punch seat 31, and the punch buffer 4 is installed in the third mounting hole 311.

[0053] The punching hole 312 is opened in the center of the punch seat 31. The punch 12 is provided in the punching hole 312 and the punch 12 are transitionally fitted.

[0054] In some embodiments of this application, the die holder 32 includes;

[0055] The working cavity 322 of the die is formed on the upper surface of the die;

[0056] The nut fixing position 323 is located at the center of the die working cavity 322.

[0057] In some embodiments of this application, the punch die 12 includes:

[0058] The central shaft 11 is located at the center of the upper surface of the punch 12 and passes through the through hole of the upper fixing plate 1;

[0059] The punch cap 13 is located above the upper fixing plate 1 and is connected to the upper fixing plate 1 by the first adjusting screw 61. The central shaft 11 passes through the center of the punch cap 13.

[0060] The mold cavity tooth structure 121 is a raised geometric shape, which is located below the central axis 11 and on the bottom surface of the punch head 12.

[0061] Specifically, the central axis 11 on the upper surface of the die 12 is designed to be precisely positioned at the center of the die system.

[0062] The die cavity tooth structure 121 on the bottom surface of the die head 12 is a geometric protrusion used for one-time forming of the flange nut tooth profile, ensuring the machining quality of the tooth profile. The die 12 and the stamping hole 312 adopt a transition fit, which ensures both tightness and ease of disassembly and maintenance.

[0063] In some embodiments of this application, the punch buffer 4 includes;

[0064] Spring 41 is inserted into the third mounting hole 311;

[0065] The guide post 42 is inserted inside the spring 41.

[0066] Specifically, the third mounting holes 311 are located at the four corners of the punch seat 31, which can evenly distribute the force during stamping and extend the service life of the device. The punch buffer 4 and the third mounting holes 311 are fitted with a spring 41 + guide post 42 structure, which further mitigates the impact force and ensures that the punch buffer 4 maintains good elastic recovery capability under working conditions. The spring 41 is made of high-strength material with good fatigue resistance and can adapt to high-frequency stamping operations. The guide post 42 is chrome-plated inside to improve wear resistance and corrosion resistance, and extend the service life of the buffer assembly. The combined design of the spring 41 and guide post 42 ensures the stability of the punch and the effective absorption of impact force during stamping.

[0067] In some embodiments of this application, a second mounting hole 51 is provided on the lower fixing plate 5, and the side post 7 passes through the second mounting hole 51.

[0068] In some embodiments of this application, the side post 7 includes:

[0069] The connecting rod 71 has its upper end inserted into the first mounting hole 22, and its lower end is provided with a hollow cavity.

[0070] The support column 72 is set in the hollow cavity, and the lower end of the support column passes through the second mounting hole 51.

[0071] In some embodiments of this application, a fourth mounting hole 321 is provided around the cavity die holder 32, and a second adjusting screw 62 passes through the fourth mounting hole 321.

[0072] In some embodiments of this application, the periphery of the die working cavity 322 is fixed by a first fixing screw 63, and a second fixing screw 64 is also provided at the bottom of the die working cavity 322.

[0073] Specifically, the design of the die working cavity 322 can precisely fix the machining position of the flange nut, and the centrally located nut fixing position 323 ensures that the workpiece will not shift during the stamping process. The fourth mounting holes 321 around the perimeter, through the second adjusting screw 62, facilitate the adjustment of the installation accuracy of the die base 32. The second fixing screw 64 located at the bottom of the die working cavity 322 increases the stability of the die and prevents loosening during long-term use.

[0074] Compared with the prior art, the beneficial effects of this embodiment are as follows:

[0075] The precise alignment of the punch holder 31 and die holder 32, the impact absorption of the punch buffer 4, and the modular design for easy adjustment and maintenance, among other advantages, enhance the accuracy and consistency of the machining process through precise mechanical design. The selection of high-strength materials and optimized elastic buffer design significantly improve the durability and operational reliability of the equipment, making it suitable for mass production of flange nuts, reducing production costs, and increasing production efficiency, thus possessing broad industrial application value. The modular design of each component facilitates disassembly, adjustment, and maintenance. The modular design allows for quick mold changes to adapt to the production of flange nuts of different specifications, improving production flexibility. Modular components reduce maintenance workload and significantly reduce downtime. The detachable design allows for individual cleaning and inspection of components, extending the service life of the equipment.

[0076] It will be understood by those skilled in the art that the above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A flange nut machining device characterized by comprising: The utility model relates to a punch die structure, including: The upper fixed plate is connected with the male die seat through the punch buffer piece below; The punch die is arranged in the center of the male die seat and the upper fixed plate; The female die seat is located below the punch die and is arranged correspondingly with the male die seat, and the bottom of the female die seat is provided with a lower fixed plate; The edge column is arranged on the upper fixed plate and the lower fixed plate; The upper fixed plate is provided with a recess and a first mounting hole, the center of the recess is provided with a through hole, and the edge column is arranged in the first mounting hole; The male die seat includes: The third mounting hole is arranged at the four corners of the upper surface of the male die seat, and the punch buffer piece is arranged in the third mounting hole; The punch hole is arranged in the center of the male die seat, the punch hole is provided with a punch die, and the punch hole is in transition with the punch die; The female die seat includes; The female die working cavity is arranged on the upper surface of the female die; The nut fixing position is arranged at the center of the female die working cavity; The punch die includes: The center shaft is arranged on the center of the upper surface of the punch die and is arranged in the through hole of the upper fixed plate; The punch head cap is located above the upper fixed plate and is connected with the upper fixed plate through the first adjusting screw, and the center shaft is arranged in the center of the punch head cap; The die cavity tooth structure is a convex geometric pattern arranged below the center shaft and on the lower bottom surface of the punch head.

2. The apparatus for machining a flange nut according to claim 1, wherein The punch buffer piece includes: The spring is arranged in the third mounting hole; The guide column is arranged in the spring.

3. The apparatus for machining a flange nut according to claim 2, wherein The lower fixed plate is provided with a second mounting hole, and the edge column is arranged in the second mounting hole.

4. The apparatus for machining a flange nut according to claim 3, wherein The edge column includes: The connecting rod is arranged in the first mounting hole at the upper end, and the hollow cavity is arranged at the lower end of the connecting rod; The supporting column is arranged in the hollow cavity, and the lower end of the supporting column is arranged in the second mounting hole.

5. The apparatus for machining a flange nut according to claim 4, wherein The female die seat is provided with a fourth mounting hole around, and the second adjusting screw is arranged in the fourth mounting hole.

6. The apparatus for machining a flange nut according to claim 5, wherein The female die working cavity is fixed around through the first fixing screw, and the bottom of the female die working cavity is further provided with a second fixing screw.

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