Rivet press-in equipment

By designing a rivet pressing device that employs half-press and full-press operations, the problems of easily damaging products and flying off during rivet assembly are solved, enabling precise and efficient rivet assembly and improving assembly efficiency and accuracy.

CN223465512UActive Publication Date: 2025-10-24LIANGANG OPTOELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202422905934.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-10-24
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

In existing technologies, rivets can easily damage products and fly off during assembly, resulting in inconvenient operation and low efficiency.

Method used

Design a rivet pressing device, including a workpiece carrier, a workpiece pressure plate and a hand-driven pressing assembly, to ensure that the rivet is pressed into the rivet hole of the housing accurately and efficiently through operation in half-press and full-press states.

Benefits of technology

It enables precise pressing of rivets, avoids damage to the housing, reduces assembly difficulty, and improves assembly efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of earphone assembly, and particularly discloses rivet press-in equipment, which is used for pressing a rivet into a rivet hole of a shell, and comprises a workpiece carrier provided with a workpiece placing groove for placing the shell; the workpiece pressing plate is detachably arranged above the workpiece carrier and is provided with a positioning hole for the rivet to penetrate through; wherein the thickness size of the workpiece pressing plate is smaller than the height size of the rivet; the hand-driven pressing assembly is located above the workpiece pressing plate; and the hand-driven pressing assembly has a half-pressing state in which the upper end of the rivet is completely inserted into the positioning hole after being driven for the first time and a full-pressing state in which the upper end of the rivet is completely inserted into the rivet hole after being driven again. According to the rivet pressing-in equipment, assembling operation of small-size rivets can be achieved, the assembling difficulty of the rivets is reduced, the assembling process is simplified, and the assembling efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to earphone assembly technical field especially relates to a rivet press in equipment. BACKGROUND

[0002] With the development of science and technology, various electronic products tend to be small and precise. Under this trend, traditional connecting pieces such as screws are gradually eliminated due to their large size, and small connecting pieces such as rivets are used instead. Rivets have the advantages of small size and high connection strength, but due to their delicate structure and tight fitting characteristics, they bring many inconveniences to assembly work.

[0003] In the prior art, rivets are mainly assembled using tweezers, needle-nose pliers and other traditional tools. However, these tools have the following disadvantages during operation:

[0004] Easy to bruise the product: due to the small size of the rivet, it is difficult to control the force during operation, which can easily cause damage to the surface of the product;

[0005] Rivets are easy to be pressed out: during assembly, the clamping force of traditional tools such as tweezers and needle-nose pliers is uncontrollable, and the rivet is subjected to uneven pressure, which can easily cause the rivet to pop out, resulting in loss or injury to the operator.

[0006] The utility model aims to develop a rivet press in equipment for realizing the assembly of small size rivets, reducing the assembly difficulty of rivets, and thus simplifying the assembly process and improving the assembly efficiency.

[0007] The above information disclosed in this background section is only included to enhance the understanding of the background of the present disclosure, and therefore can contain information that is not prior art known to those of ordinary skill in the art at the time of the present disclosure. SUMMARY

[0008] One object of the utility model is to provide a rivet press in equipment that can effectively reduce the assembly difficulty of small size rivets and thus improve the assembly efficiency.

[0009] To achieve the above purpose, the utility model provides a rivet press in equipment for pressing a rivet into a rivet hole of a shell, comprising:

[0010] A workpiece carrier is provided with a workpiece slot on the top for placing the shell;

[0011] A workpiece pressing plate is detachably arranged above the workpiece carrier, and the workpiece pressing plate is provided with a positioning hole corresponding to the position of the rivet hole of the shell for the rivet to pass through; wherein the thickness dimension of the workpiece pressing plate is smaller than the height dimension of the rivet, so that the upper end of the rivet protrudes above the workpiece pressing plate after the lower end of the rivet is inserted into the positioning hole.

[0012] a hand-driven pressing assembly above the workpiece pressing plate; wherein the hand-driven pressing assembly has a half-pressing state of extruding the top of the rivet downward after being driven for the first time so that the upper end of the rivet is fully inserted into the positioning hole, and a full-pressing state of extruding the top of the rivet downward after being driven again after the workpiece pressing plate is removed so that the upper end of the rivet is fully inserted into the rivet hole.

[0013] Optionally, the workpiece carrier and the workpiece pressing plate are magnetically connected.

[0014] Optionally, the top of the workpiece carrier is provided with a carrier magnet, and the bottom of the workpiece pressing plate is provided with a pressing plate magnet for magnetically connecting with the carrier magnet.

[0015] When the carrier magnet and the pressing plate magnet are aligned vertically, the positioning hole and the rivet hole are aligned vertically.

[0016] Optionally, the hand-driven pressing assembly further comprises:

[0017] a fixed frame comprising a fixed bottom plate and an inverted U-shaped frame fixed to the fixed bottom plate; wherein the workpiece carrier is mounted on the fixed bottom plate, and the hand-driven pressing assembly is mounted on the inverted U-shaped frame.

[0018] Optionally, the fixed bottom plate and the workpiece carrier are detachably connected through fasteners.

[0019] Optionally, the hand-driven pressing assembly comprises:

[0020] a fixed seat fixed to the inverted U-shaped frame;

[0021] a rotating wrench, one end of which is hinged to the top of the fixed seat;

[0022] a transfer piece, the upper end of which is hinged to the middle of the rotating wrench;

[0023] a vertical sliding rod, the upper end of which is hinged to the lower end of the transfer piece, and the lower end of which extends above the workpiece carrier after sliding through the fixed seat;

[0024] a sliding lifting plate, which is fixed to the lower end of the vertical sliding rod and is arranged to interact with the fixed frame vertically;

[0025] a rivet ejector, which is mounted on the bottom of the sliding lifting plate and is used to extrude the top of the rivet downward.

[0026] Optionally, the rivet ejector and the sliding lifting plate are detachably connected.

[0027] Optionally, the bottom of the sliding lifting plate is provided with a downwardly protruding external threaded column, and the top of the rivet punch is provided with a nut for being screwed with the external threaded column.

[0028] The rivet pressing equipment has the advantages that when it is required to press a rivet into a rivet hole of a shell, the shell is first placed into a workpiece slot, then a workpiece pressing plate is covered, then the lower end of the rivet is inserted into a positioning hole, at this time, the lower end of the rivet is aligned with the rivet hole, then a hand-driven pressing assembly is driven to move downward to extrude the top of the rivet until the top of the rivet abuts against the top surface of the workpiece pressing plate, at this time, the force of the hand-driven pressing assembly causes the upper end of the rivet to be pressed into the positioning hole, but the upper end of the rivet does not completely pass through the workpiece pressing plate, that is, the upper end of the rivet is flush with the top surface of the workpiece pressing plate, and a semi-pressing state is reached.

[0029] In the semi-pressing state, the operation of the hand-driven pressing assembly is stopped, then the workpiece pressing plate is detached from the workpiece carrier to expose the rivet which has been partially pressed into the rivet hole.

[0030] The hand-driven pressing assembly is operated again to be driven to move downward to continue extruding the top of the rivet, since the workpiece pressing plate has been removed, the force of the hand-driven pressing assembly completely presses the upper end of the rivet into the rivet hole of the shell until the top of the rivet is flush with the surface of the shell, and a full-pressing state is reached.

[0031] After the pressing of the rivet is completed, the hand-driven pressing assembly is reset. The shell which has been assembled is taken out to be subjected to next assembly or inspection.

[0032] Through the above steps, the rivet pressing equipment realizes accurate and efficient pressing of the rivet into the rivet hole of the shell, and damage to the shell in the pressing process is avoided.

[0033] Therefore, the rivet pressing equipment can realize assembly of small-size rivets, reduce assembly difficulty of the rivets, and thus simplify an assembly process and improve assembly efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0034] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without any creative labor.

[0035] Figure 1 The structure schematic view of the rivet pressing equipment provided for the embodiment;

[0036] Figure 2 The structure schematic view of the rivet punch provided for the embodiment.

[0037] In the drawings:

[0038] 1, fixed frame; 101, fixed bottom plate; 102, inverted U-shaped frame;

[0039] 2, workpiece carrier; 201, workpiece slot;

[0040] 3, workpiece pressing plate; 301, positioning hole;

[0041] 4, hand-driven pressing assembly; 401, fixed seat; 402, rotating wrench; 403, transfer piece; 404, vertical sliding rod; 405, sliding lifting plate; 406, rivet thimble; 4061, nut. DETAILED DESCRIPTION

[0042] In the present application, the term "embodiment" means that the specific features, structures or characteristics described in connection with the embodiment can be included in at least one embodiment of the present application. The term "embodiment" appearing at various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, each technical feature mentioned in each embodiment can be combined in any way to form a corresponding implementable technical solution.

[0043] Unless otherwise defined, the meanings of the technical terms used herein are the same as those commonly understood by those skilled in the art to which the present application belongs; the use of related terms herein is only for the purpose of describing specific embodiments, and is not intended to limit the present application.

[0044] In the description of the present application, the phrase "and / or" is a description of the logical relationship between the objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this paper generally represents that the associated objects before and after are a kind of "or" logical relationship.

[0045] In the present application, such as "first" and "second", the terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantity, primary and secondary or order relationship between the entities or operations.

[0046] In the absence of more restrictions, in the utility model, the "including", "containing", "having" or other similar expressions used in the sentence are intended to cover non-exclusive inclusion, and these expressions do not exclude the presence of other elements in the process, method or product including the elements described, so that the process, method or product including a series of elements can not only include those defined elements, but also include other elements not explicitly listed, or also include the elements inherent in such process, method or product.

[0047] The same as the understanding in the "Examination Guidelines", in the utility model, the expressions such as "greater than", "less than", "exceed" are understood as not including the number; the expressions such as "above", "below", "within" are understood as including the number. In addition, in the description of the embodiments of the utility model, the meaning of "multiple" is more than two (including two), and similar expressions related to "multiple" are also understood in this way, for example, "multiple groups", "multiple times" and the like, unless otherwise explicitly specified.

[0048] In the description of the embodiments of the utility model, the spatially related expressions used, such as "center", "vertical", "horizontal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. The indicated orientation or position relationship is based on the orientation or position relationship shown in the specific embodiment or the drawing, and is only for the convenience of describing the specific embodiment of the utility model or for the reader to understand, and does not indicate or imply that the indicated device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, therefore it cannot be understood as a limitation on the embodiments of the utility model.

[0049] Unless otherwise explicitly specified or limited, in the description of the embodiments of the utility model, the terms "mounting", "connecting", "connecting", "fixing", "setting" and the like should be understood broadly. For example, the "connection" can be fixed connection, or detachable connection, or integrated setting; it can be mechanical connection, or electrical connection, or communication connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art to which the utility model belongs, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0050] Referring to Figure 1 The utility model provides a rivet press in equipment for press in the rivet of shell rivet hole, including fixed frame 1, workpiece carrier 2, workpiece pressing plate 3, hand drive press assembly 4.

[0051] The fixed frame 1 comprises a fixed bottom plate 101 and a reverse U-shaped frame 102 fixed on the fixed bottom plate 101; wherein the workpiece carrier 2 is installed on the fixed bottom plate 101, and the hand-driven pressing assembly 4 is installed on the reverse U-shaped frame 102.

[0052] The top of the workpiece carrier 2 is provided with a workpiece placing groove 201 for placing the shell. The workpiece pressing plate 3 is detachably arranged above the workpiece carrier 2, and the workpiece pressing plate 3 is provided with a positioning hole 301 corresponding to the position of the rivet hole of the shell for the rivet to pass through; wherein the thickness dimension of the workpiece pressing plate 3 is smaller than the height dimension of the rivet, so that after the lower end of the rivet is inserted into the positioning hole 301, the upper end of the rivet is higher than the workpiece pressing plate 3.

[0053] The hand-driven pressing assembly 4 is located above the workpiece pressing plate 3; wherein the hand-driven pressing assembly 4 has a half-pressing state of extruding the top of the rivet downward after being driven for the first time, so that the upper end of the rivet is completely inserted into the positioning hole 301, and has a full-pressing state of extruding the top of the rivet downward after being driven again after the workpiece pressing plate 3 is removed, so that the upper end of the rivet is completely inserted into the rivet hole.

[0054] The rivet pressing equipment provided by the embodiment is used when the rivet needs to be pressed into the rivet hole of the shell. First, the shell is placed into the workpiece placing groove 201, then the workpiece pressing plate 3 is covered, then the lower end of the rivet is inserted into the positioning hole 301, at this time, the lower end of the rivet is aligned with the rivet hole. Subsequently, the hand-driven pressing assembly 4 is driven to move downward to extrude the top of the rivet until it abuts against the top surface of the workpiece pressing plate 3. At this time, the force of the hand-driven pressing assembly 4 causes the upper end of the rivet to be pressed into the positioning hole 301, but it does not completely pass through the workpiece pressing plate 3, that is, the upper end of the rivet is flush with the top surface of the workpiece pressing plate 3, reaching a half-pressing state.

[0055] In the half-pressing state, the operation of the hand-driven pressing assembly 4 is stopped. Then, the workpiece pressing plate 3 is detached from the workpiece carrier 2, exposing the rivet which has been partially pressed into the rivet hole.

[0056] The hand-driven pressing assembly 4 is operated again to move downward under the action of the force, continuing to extrude the top of the rivet. Since the workpiece pressing plate 3 has been removed, the force of the hand-driven pressing assembly 4 completely presses the upper end of the rivet into the rivet hole of the shell, until the top of the rivet is flush with the surface of the shell, reaching a full-pressing state.

[0057] After the pressing of the rivet is completed, the hand-driven pressing assembly 4 is reset. The already assembled shell is taken out for the next assembly or inspection.

[0058] Through the above steps, the rivet pressing equipment realizes accurate and efficient pressing of the rivet into the rivet hole of the shell, and avoids damage to the shell during the pressing process.

[0059] Therefore, the rivet pressing equipment can realize assembly of small-size rivets, reduce assembly difficulty of the rivets, and thus simplify an assembly process and improve assembly efficiency.

[0060] In the embodiment, the workpiece carrier 2 and the workpiece pressing plate 3 are magnetically connected. For example, the top of the workpiece carrier 2 is provided with a carrier magnet, and the bottom of the workpiece pressing plate 3 is provided with a pressing plate magnet for magnetically connecting with the carrier magnet. When the carrier magnet and the pressing plate magnet are aligned, the positioning hole 301 and the rivet hole are aligned. The magnetic connection of the workpiece carrier 2 and the workpiece pressing plate 3 ensures the accuracy and rapidity of positioning, and reduces assembly time

[0061] Optionally, the fixing bottom plate 101 and the workpiece carrier 2 are detachably connected through fasteners. When rivet assembly work needs to be performed on different shells, different workpiece carriers 2 and workpiece pressing plates 3 only need to be replaced.

[0062] In the embodiment, the hand-driven pressing assembly 4 includes a fixing seat 401, a rotating wrench 402, a transfer piece 403, a vertical sliding rod 404, a sliding lifting plate 405, and a rivet ejector 406. The fixing seat 401 is fixedly arranged on the inverted U-shaped frame 102. One end of the rotating wrench 402 is hingedly connected to the top of the fixing seat 401. The upper end of the transfer piece 403 is hingedly connected to the middle of the rotating wrench 402. The upper end of the vertical sliding rod 404 is hingedly connected to the lower end of the transfer piece 403, and the lower end extends to the workpiece carrier 2 after sliding through the fixing seat 401. The sliding lifting plate 405 is fixedly arranged on the lower end of the vertical sliding rod 404 and is arranged to interact with the fixing frame 1 up and down. The rivet ejector 406 is arranged on the bottom of the sliding lifting plate 405 and is used to press the top of the rivet downward.

[0063] The hand-driven pressing assembly 4 provided in the embodiment can drive the vertical sliding rod 404 to drive the sliding lifting plate 405 and the rivet ejector 406 to move upward when the rotating wrench 402 is rotated upward, so as to assemble and disassemble the workpiece pressing plate 3 and place the shell, the rivet, and the like. The hand-driven pressing assembly 4 can drive the vertical sliding rod 404 to drive the sliding lifting plate 405 and the rivet ejector 406 to move downward when the rotating wrench 402 is rotated downward, so as to press the rivet downward.

[0064] The design of the rotating wrench 402 enables an operator to easily realize half-pressing and full-pressing states of the rivet, and improves the convenience of operation.

[0065] Optionally, the rivet punch 406 and the sliding lifting plate 405 are detachably connected. For example, see Figure 2 The bottom of the sliding lifting plate 405 is provided with a downwardly protruding external threaded column, and the top of the rivet punch 406 is provided with a nut 4061 for threaded connection with the external threaded column. The detachable design of the rivet punch 406 and the threaded connection of the external threaded column allow the replacement of the appropriate rivet punch 406 according to the size of different rivets, improving the adaptability of the equipment.

[0066] In summary, the rivet pressing equipment provided by the embodiment has the following advantages:

[0067] ① Precise alignment: The magnetic attraction connection of the workpiece carrier 2 and the workpiece pressing plate 3 ensures the precise alignment of the lower end of the rivet with the rivet hole, reduces assembly errors, and improves assembly accuracy.

[0068] ② Easy to operate: The design of the hand-driven pressing assembly 4 allows the operator to easily control the rivet pressing process by rotating the wrench 402, simplifying the operation steps and reducing labor intensity.

[0069] ③ Safe and efficient: The design of the half-pressed state allows the workpiece pressing plate 3 to be detached after the rivet is partially pressed, avoiding damage to the shell during the full pressing process, while improving assembly efficiency.

[0070] ④ Strong flexibility: By replacing different workpiece carriers 2 and workpiece pressing plates 3, the equipment can adapt to different sizes and shapes of shells, improving the versatility and flexibility of the equipment.

[0071] ⑤ Stable structure: The design of the fixed frame 1 provides stable support, ensuring the stability of the entire pressing process and reducing vibration of the equipment during operation.

[0072] ⑥ Easy to adjust: The design of the vertical sliding rod 404 and the sliding lifting plate 405 allows the position of the rivet punch 406 to be adjusted to accommodate rivets of different heights, improving the adaptability of the equipment.

[0073] ⑦ Easy maintenance: The detachable connection of the rivet punch 406 and the sliding lifting plate 405 makes maintenance and replacement more convenient, reducing the maintenance cost of the equipment.

[0074] Finally, it should be noted that the above embodiments have been described in the specification and drawings of the application, but this does not limit the patent protection scope of the application. Any equivalent structure or equivalent process replacement or modification based on the essential concept of the application, using the content described in the specification and drawings of the application, and directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, etc., are all included in the patent protection scope of the application.

Claims

1. A rivet press device for pressing a rivet into a rivet hole of a housing, characterized by, It includes: Workpiece carrier (2), the top of the workpiece carrier (2) is provided with a workpiece slot (201) for putting into the shell; Workpiece pressing plate (3), the workpiece pressing plate (3) is detachably arranged above the workpiece carrier (2), and the workpiece pressing plate (3) is provided with a positioning hole (301) for the rivet to pass through corresponding to the position of the rivet hole of the shell; wherein the thickness size of the workpiece pressing plate (3) is smaller than the height size of the rivet, so that after the lower end of the rivet is inserted into the positioning hole (301), the upper end of the rivet is higher than the workpiece pressing plate (3); Hand-driven pressing assembly (4), the hand-driven pressing assembly (4) is located above the workpiece pressing plate (3); wherein the hand-driven pressing assembly (4) has a half-pressed state of extruding the top of the rivet downward after being driven for the first time, so that the upper end of the rivet is completely inserted into the positioning hole (301), and a full-pressed state of extruding the top of the rivet downward after being driven again after removing the workpiece pressing plate (3), so that the upper end of the rivet is completely inserted into the rivet hole.

2. The rivet setting apparatus according to claim 1, characterized by The workpiece carrier (2) and the workpiece pressing plate (3) are magnetically connected.

3. The rivet setting apparatus according to claim 2, wherein The top of the workpiece carrier (2) is provided with a carrier magnet, and the bottom of the workpiece pressing plate (3) is provided with a pressing plate magnet for magnetically connecting with the carrier magnet; When the carrier magnet and the pressing plate magnet are aligned up and down, the positioning hole (301) and the rivet hole are aligned up and down.

4. The rivet setting apparatus according to claim 1, wherein It also includes: Fixed frame (1), the fixed frame (1) includes a fixed bottom plate (101), and a reverse U-shaped frame (102) fixedly arranged on the fixed bottom plate (101); wherein the workpiece carrier (2) is installed on the fixed bottom plate (101), and the hand-driven pressing assembly (4) is installed on the reverse U-shaped frame (102).

5. The rivet setting apparatus according to claim 4, wherein The fixed bottom plate (101) and the workpiece carrier (2) are detachably connected by fasteners.

6. The rivet setting apparatus of claim 4 wherein, The hand-driven pressing assembly (4) includes: Fixed seat (401), the fixed seat (401) is fixedly arranged on the reverse U-shaped frame (102); Rotary wrench (402), one end of the rotary wrench (402) is hinged to the top of the fixed seat (401); Transfer member (403), the upper end of the transfer member (403) is hinged to the middle part of the rotary wrench (402); Vertical sliding rod (404), the upper end of the vertical sliding rod (404) is hinged to the lower end of the transfer member (403), and the lower end extends above the workpiece carrier (2) after sliding through the fixed seat (401); Sliding lifting plate (405), the sliding lifting plate (405) is fixedly arranged on the lower end of the vertical sliding rod (404) and is arranged up and down relative to the fixed frame (1); Rivet thimble (406), the rivet thimble (406) is installed on the bottom of the sliding lifting plate (405) and is used for extruding the top of the rivet downward.

7. The rivet setting apparatus of claim 6 wherein, The rivet thimble (406) and the sliding lifting plate (405) are detachably connected.

8. The rivet setting apparatus of claim 7 wherein, The bottom of the sliding lifting plate (405) is provided with a downwardly protruding external threaded column, and the top of the rivet thimble (406) is provided with a screw cap (4061) for threaded connection with the external threaded column.