Manual hole flanging moulding bed

By designing a limiting mechanism for the manual hole-turning mold, the problems of difficult operation and low precision of existing molds were solved, and the stability and precision of hole turning were improved.

CN223988931UActive Publication Date: 2026-03-13FIGRETTE (SUZHOU) AUTOMOTIVE TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

Existing molds for prototyping and turning holes are difficult to operate and have low precision. The lack of guidance makes it difficult for sheet metal workers to turn holes and the hole accuracy is low.

Method used

A manual hole-turning die was designed, including a die body, a hole-turning punch, and a limiting mechanism. The limiting mechanism consists of a limiting part and a connecting part. The limiting part is connected to the hole-turning die, and the connecting part extends from the top wall of the hole-turning punch. The connection is inserted to maintain the stability of the hole-turning punch, avoid shaking, and improve the hole-turning accuracy.

Benefits of technology

By using a limiting mechanism, the drilling accuracy of the workpiece is improved, the operation difficulty is reduced, and the stability and accuracy of the drilling are enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the utility model provides a manual hole flanging forming die. The manual hole flanging forming die comprises a female die body, a hole flanging punch and a limiting mechanism. The female die body comprises a hole flanging female die. The hole flanging punch comprises a hole flanging male die combined with the hole flanging female die in the depth direction of the hole flanging female die. The limiting mechanism comprises a limiting part and a combining part which are connected in an inserted mode. The limiting part is communicated with the hole flanging female die and is formed by extending the bottom wall of the hole flanging female die in the depth direction; and the combination part is formed by extending the top wall of the hole flanging male die along the depth direction. According to the embodiment of the invention, the limiting part and the guide part in the limiting mechanism are spliced and combined, so that the hole flanging male die of the hole flanging punch can be combined with the hole flanging female die along the depth direction of the hole flanging female die; the situation that the hole flanging punch shakes due to the fact that the hole flanging punch is not limited when an operator manually conducts hole flanging is avoided, and therefore the hole flanging precision of a part to be machined is improved.
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Description

Technical Field

[0001] This disclosure relates to the field of mold technology, and in particular to manual hole-turning molds. Background Technology

[0002] With the rapid development of China's automotive industry, especially the booming development of new energy vehicles in recent years, automakers are constantly developing new models and innovating technologies, making competition in the automotive industry increasingly fierce. Prototyping is a crucial step in verifying the correctness of a new model's design, requiring each step to be completed strictly according to the design data, while also minimizing costs and shortening the prototyping production cycle. Among these, the die mold is the tooling used to manufacture body parts. In the current conventional prototyping stamping industry, the die mold for sheet metal turning is basically a simple one with a punch and a die, with sheet metal workers manually turning the holes.

[0003] However, the existing molds used for trial production of hole-making have certain defects, mainly in the following aspects: operation: due to the lack of guides, it is difficult for sheet metal workers to operate; precision: due to the lack of guides, the precision of holes made by hand is low. Summary of the Invention

[0004] In view of the shortcomings of the prior art described above, the purpose of this disclosure is to provide a manual perforation mold to solve the problems in the related art.

[0005] The first aspect of this disclosure provides a hand-made perforated mold, including:

[0006] The die body includes a flip-hole die;

[0007] A flanging punch, comprising a flanging punch coupled to the flanging die along the depth direction of the flanging die;

[0008] The limiting mechanism includes an insertable limiting part and a connecting part; the limiting part is connected to the flanging die and is formed by the bottom wall of the flanging die extending along the depth direction; the connecting part is formed by the top wall of the flanging punch extending along the depth direction.

[0009] In the first aspect of the embodiment, the insertion of the limiting portion and the connecting portion is formed before the flanging punch abuts against the part to be machined.

[0010] In the first aspect of the embodiment, the limiting portion is coaxial with the flanging die.

[0011] In an embodiment of the first aspect, the connecting portion is inserted into the limiting portion in a way that restricts rotation.

[0012] In an embodiment of the first aspect, the length of the connecting portion is less than the length of the limiting portion.

[0013] In an embodiment of the first aspect, the limiting mechanism further includes a clearance area, which is connected to the limiting portion and is formed by the bottom wall of the limiting portion extending along the depth direction.

[0014] In the first aspect of the embodiment, the diameter of the clearance zone is larger than the diameter of the limiting portion.

[0015] In an embodiment of the first aspect, the limiting portion is implemented as a limiting hole, and the connecting portion is implemented as a limiting post inserted into the limiting hole.

[0016] In an embodiment of the first aspect, the diameter of the limiting hole is smaller than the minimum diameter of the flanging die; the outer diameter of the limiting post is smaller than the minimum diameter of the flanging punch.

[0017] In an embodiment of the first aspect, the die body further includes a positioning surface for the part to be processed to fit against.

[0018] As described above, this embodiment of the present disclosure provides a manual flanging die, including a die body, a flanging punch, and a limiting mechanism. The die body includes a flanging die. The flanging punch includes a flanging punch that is coupled to the flanging die along the depth direction of the flanging die; the limiting mechanism includes an inserting limiting part and a connecting part; the limiting part communicates with the flanging die and is formed by the bottom wall of the flanging die extending along the depth direction; the connecting part is formed by the top wall of the flanging punch extending along the depth direction. In this embodiment of the present disclosure, the inserting connection of the limiting part and the guiding part in the limiting mechanism allows the flanging punch of the flanging punch to remain coupled to the flanging die along the depth direction of the flanging die, thereby preventing the flanging punch from shaking due to not being limited during manual flanging operation, thus improving the flanging accuracy of the workpiece. Attached Figure Description

[0019] Figure 1 The diagram shown is a schematic representation of the overall structure of a manually drilled mold according to an embodiment of this disclosure.

[0020] Figure 2 The diagram shown is a structural schematic of the main body of the concave mold in a manual perforation mold according to an embodiment of this disclosure;

[0021] Figure 3 The diagram shown is a cross-sectional view of the main body of the concave mold in a manual perforation mold according to an embodiment of this disclosure;

[0022] Figure 4 The diagram shown is a schematic diagram of the structure of the hole-turning punch in the manual hole-turning mold of this embodiment. Detailed Implementation

[0023] The following specific examples illustrate the implementation of this disclosure. Those skilled in the art can easily understand other advantages and effects of this disclosure from the information disclosed herein. This disclosure can also be implemented or applied through other different specific embodiments, and various details in this disclosure can be modified or changed according to different viewpoints and application modules without departing from the spirit of this disclosure. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this disclosure can be combined with each other.

[0024] The embodiments of this disclosure will now be described in detail with reference to the accompanying drawings, so that those skilled in the art to which this disclosure pertains can readily implement it. This disclosure may be embodied in many different forms and is not limited to the embodiments described herein.

[0025] In this disclosure, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic represented in connection with that embodiment or example is included in at least one embodiment or example of this disclosure. Furthermore, the specific features, structures, materials, or characteristics represented may be combined in any suitable manner in any one or a group of embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples represented in this disclosure, as well as the features of those different embodiments or examples.

[0026] Furthermore, the terms "first" and "second" are used for illustrative purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the representation of this disclosure, "a set" means two or more, unless otherwise explicitly specified.

[0027] For the purpose of clarity, devices unrelated to the description are omitted, and the same or similar components throughout the specification are given the same reference numerals.

[0028] Throughout this specification, when it is said that a device is "connected" to another device, this includes not only "direct connection" but also "indirect connection" by placing other components in between. Furthermore, when it is said that a device "comprises" a certain constituent element, unless otherwise stated otherwise, this does not exclude other constituent elements, but rather implies that other constituent elements may be included.

[0029] While the terms first, second, etc., are used in some examples herein to refer to various elements, these elements should not be limited by these terms. These terms are used only to distinguish one element from another. For example, first interface and second interface, etc., are used. Furthermore, as used herein, the singular forms “a,” “an,” and “the” are intended to also include the plural forms unless the context indicates otherwise. It should be further understood that the terms “comprising,” “including,” indicate the presence of the stated feature, step, operation, element, module, item, kind, and / or group, but do not exclude the presence, occurrence, or addition of one or more other features, steps, operations, elements, modules, items, kinds, and / or groups. The terms “or” and “and / or” as used herein are interpreted as inclusive, or mean any one or any combination thereof. Thus, “A, B, or C” or “A, B, and / or C” means “any one of: A; B; C; A and B; A and C; B and C; A, B, and C.” Exceptions to this definition will only occur if the combination of elements, functions, steps, or operations is inherently mutually exclusive in some way.

[0030] The technical terms used herein are for reference only to specific embodiments and are not intended to limit the scope of this disclosure. The singular form used herein includes the plural form unless the statement explicitly indicates otherwise. The word "comprising" as used in this specification means to specify a particular characteristic, region, integer, step, operation, element, and / or component, and does not exclude the presence or addition of other characteristics, regions, integers, steps, operations, elements, and / or components.

[0031] Although not explicitly defined, all terms, including technical and scientific terms used herein, shall have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure pertains. Terms defined in commonly used dictionaries shall be further interpreted as having a meaning consistent with the relevant technical literature and the message of the present disclosure, and shall not be over-interpreted as having an ideal or overly formulaic meaning unless otherwise defined.

[0032] With the rapid development of China's automotive industry, especially the booming development of new energy vehicles in recent years, automakers are constantly developing new models and innovating technologies, making competition in the automotive industry increasingly fierce. Prototyping is a crucial step in verifying the correctness of a new model's design, requiring each step to be completed strictly according to the design data, while also minimizing costs and shortening the prototyping production cycle. Among these, the die mold is the tooling used to manufacture body parts. In the current conventional prototyping stamping industry, the die mold for sheet metal turning is basically a simple one with a punch and a die, with sheet metal workers manually turning the holes.

[0033] However, the existing molds used for trial production of hole-making have certain defects, mainly in the following aspects: operation: due to the lack of guides, it is difficult for sheet metal workers to operate; precision: due to the lack of guides, the precision of holes made by hand is low.

[0034] Based on the above problems, the insertion and connection of the limiting part and the guide part in the limiting mechanism of the present disclosure embodiment can ensure that the flanging punch of the flanging punch can be engaged with the flanging die along the depth direction of the flanging die, so as to avoid the flanging punch from shaking due to not being limited when the operator manually operates the flanging, thereby improving the flanging accuracy of the workpiece.

[0035] Figure 1 The diagram shown is a schematic representation of the overall structure of a manually drilled mold according to an embodiment of this disclosure. Figure 2 The diagram shown is a structural schematic of the concave mold body 10 in the manual turning mold of this embodiment. Figure 3 The diagram shown is a cross-sectional view of the concave mold body 10 in a manual turning mold according to an embodiment of this disclosure. Figure 4 The diagram shown is a structural schematic of the piercing punch 20 in the manual piercing mold of this embodiment.

[0036] exist Figure 1-4 In this design, the manual flanging mold includes a die body 10, a flanging punch 20, and a limiting mechanism 30. The die body 10 includes a flanging die 101. The flanging punch 20 includes a flanging punch 21 attached to the flanging die 101 along the depth direction. The limiting mechanism 30 includes an insertable limiting part 31 and a connecting part 32. The limiting part 31 communicates with the flanging die 101 and is formed by the bottom wall of the flanging die 101 extending along the depth direction. The connecting part 32 is formed by the top wall of the flanging punch 21 extending along the depth direction. Those skilled in the art will understand that the insertion and connection of the limiting part 31 and the guide part in the limiting mechanism 30 can ensure that the flanging punch 21 of the flanging punch 20 is engaged with the flanging die 101 along the depth direction of the flanging die 101, so as to avoid the flanging punch 20 from shaking due to not being limited when the operator manually operates the flanging, thereby improving the flanging accuracy of the workpiece.

[0037] For example, the insertion of the limiting part 31 and the connecting part 32 is formed before the flanging punch 21 abuts against the part to be processed. The advantage of this arrangement is that the limiting part 31 inserts into the connecting part 32 first, which can limit the flanging punch 21 of the flanging punch 20 before the flanging punch 21 abuts against the part to be processed, so that the flanging punch 21 of the flanging punch 20 can remain engaged with the flanging die 101 along the depth direction.

[0038] Exemplarily, both the flanging die 101 and the flanging punch 21 are implemented with annular surfaces. The limiting portion 31 is implemented as a circular limiting hole, and the connecting portion 32 is implemented as a limiting post inserted into the limiting hole. Further exemplaryly, the limiting portion 31, implemented as a limiting hole, is coaxial with the flanging die 101. The dimensions of the limiting hole and the limiting post are adapted. By reducing the gap between the limiting hole and the limiting post, the flanging accuracy of the workpiece is further improved.

[0039] In another embodiment, the connecting portion 32 is inserted into the limiting portion 31 with restricted rotation. For example, the limiting portion 31 is implemented as a rectangular limiting hole, and the connecting portion 32 is implemented as a rectangular limiting post. The advantage of this arrangement is that when the flanging die 101 and the flanging punch 21 are implemented as non-annular, deviations in flanging accuracy caused by rotation of the limiting portion 31 and the connecting portion 32 are avoided, thereby improving the flanging accuracy of manually flanging the workpiece.

[0040] In another embodiment, the limiting portion 31 is formed by the bottom wall of the flanging die 101 extending in the opposite direction to the depth direction. The connecting portion 32 is formed by the top wall of the flanging punch 21 recessed in the opposite direction to the depth direction. Thus, when the flanging punch 21 is engaged with the flanging die 101, the limiting portion 31 is inserted into the connecting portion 32.

[0041] For example, the length of the connecting portion 32 is less than the length of the limiting portion 31. The advantage of this arrangement is that it avoids the connecting portion 32 being inserted into the end of the limiting portion 31 before the piercing punch 21 and the piercing die 101 are fully engaged, thereby preventing the piercing punch 21 and the piercing die 101 from failing to fully engage, thus improving the pass rate of the parts to be processed.

[0042] exist Figure 3 In the example, the limiting mechanism 30 further includes a clearance area 33, which communicates with the limiting part 31 and is formed by the bottom wall of the limiting part 31 extending along the depth direction. Exemplarily, the diameter of the clearance area 33 is larger than the diameter of the limiting part 31. Those skilled in the art will understand that the clearance area 33 ensures that, during manual flanging, the limiting part 31 can limit and guide the flanging punch 20, while preventing the flanging punch 21 from failing to reach the bottom due to interference from the limiting part 31, thus avoiding incomplete flanging of the product.

[0043] Back to Figure 1In the example, the die body 10 further includes a positioning surface 11 for the part to be processed to fit against. Those skilled in the art will understand that the positioning surface 11 can improve the relative stability of the part to be processed with the die body 10 under manual operation or with the aid of tools, thereby preventing the subsequent reduction in drilling accuracy due to positional displacement of the part to be processed.

[0044] In summary, this disclosure provides a manual flanging die, including a die body, a flanging punch, and a limiting mechanism. The die body includes a flanging die. The flanging punch includes a flanging punch that is coupled to the flanging die along the depth direction of the flanging die. The limiting mechanism includes an inserting limiting part and a connecting part. The limiting part communicates with the flanging die and is formed by the bottom wall of the flanging die extending along the depth direction. The connecting part is formed by the top wall of the flanging punch extending along the depth direction. In this disclosure, the inserting connection of the limiting part and the guiding part in the limiting mechanism allows the flanging punch of the flanging punch to remain coupled to the flanging die along the depth direction of the flanging die, thus preventing the flanging punch from shaking due to lack of limiting when the operator manually operates the flanging process, thereby improving the flanging accuracy of the workpiece.

[0045] The above embodiments are merely illustrative of the principles and effects of this disclosure and are not intended to limit this disclosure. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this disclosure. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this disclosure should still be covered by the protection scope of this disclosure.

Claims

1. A hand turning drum, characterized in that, The invention relates to a punch and die assembly for a hole flanging machine, comprising: a female die body comprising a hole flanging female die; a hole flanging punch comprising a hole flanging male die which is coupled to the hole flanging female die along a depth direction of the hole flanging female die; a limiting mechanism comprising a limiting portion and a coupling portion; the limiting portion is in communication with the hole flanging female die and is formed by a bottom wall of the hole flanging female die along the depth direction; the coupling portion is formed by a top wall of the hole flanging male die along the depth direction.

2. The hand-turning drum former according to claim 1, wherein The insertion of the limiting portion and the coupling portion is performed before the hole flanging male die abuts against a workpiece.

3. The hand-turning drum according to claim 1, wherein The limiting portion is coaxial with the hole flanging female die.

4. The hand-turning drum according to claim 1, wherein The coupling portion is inserted into the limiting portion in a limited rotation manner.

5. The hand-turning drum according to claim 1, wherein The length of the coupling portion is less than the length of the limiting portion.

6. The hand-turning drum former of claim 1 wherein, The limiting mechanism further comprises a clearance area which is in communication with the limiting portion and is formed by a bottom wall of the limiting portion along the depth direction.

7. The hand-turning drum according to claim 6, wherein The diameter of the clearance area is greater than the diameter of the limiting portion.

8. The hand-turning drum former of claim 1, wherein, The limiting portion is implemented as a limiting hole and the coupling portion is implemented as a limiting column which is inserted into the limiting hole.

9. The hand-turning drum former according to claim 8, wherein The diameter of the limiting hole is less than the minimum diameter of the hole flanging female die; the outer diameter of the limiting column is less than the minimum diameter of the hole flanging male die.

10. The hand-turning drum former of claim 1 wherein, The female die body further comprises a positioning profile for the workpiece to be fitted.