Clamp for rivet pressing detection

By designing a clamping system that includes a support base, a robotic arm, a flange, a dedicated arm, and a positioning fixture, the problem of missing nails in the riveting process for small and medium-sized enterprises has been solved. This system achieves low-cost integrated positioning and inspection of nuts and nails, reducing the number of defective products and safety risks.

CN223711853UActive Publication Date: 2025-12-23SHENZHEN XINFA PRECISION HARDWARE MANUFACTURING CO LTD
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Patent Information

Application Number
CN202520137566.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2025-12-23
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Small and medium-sized processing enterprises have problems with missing rivets in the riveting process. Existing testing equipment is expensive and unsuitable, making it difficult to achieve low-cost integrated product positioning and testing.

Method used

A clamping system was designed, comprising a support base, a robotic arm, a flange, a dedicated arm, a positioning fixture, and a probe. The robotic arm and probe enable automatic positioning and detection of nuts, while the suction cup and proximity switch enable accurate positioning and detection of nuts.

Benefits of technology

It achieves a low-cost integrated function of product positioning and nut detection, reducing the number of defective products, lowering failure costs, and reducing safety risks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fixture for rivet pressing detection, which comprises a supporting seat and a manipulator mounted on the supporting seat, a flange is arranged at one end of the manipulator far away from the supporting seat, the manipulator is connected with a special arm through the flange, a positioning fixture is arranged below the special arm, and the positioning fixture is connected with the special arm through the flange. The special arm comprises a top plate, a nylon column arranged below the top plate and a probe fixed to the nylon column, the top plate is fixedly connected to the flange, a suction cup is further arranged below the top plate, the positioning clamp comprises a bottom plate, a detection block arranged on the bottom plate and a proximity switch installed on the detection block, a pipe position and a cushion block are further arranged on the bottom plate, and the pipe position is fixedly connected to the bottom plate. The end, away from the probe, of the nylon column is provided with threads, and the nylon column is installed on the top plate through the threads on the nylon column. According to the clamp for rivet pressing detection, the integrated function of product positioning and nut nail existence detection can be achieved with low cost, the number of defective products in the rivet pressing process is greatly reduced, and the failure cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of detection clamps, specifically a clamp for rivet detection. BACKGROUND

[0002] In the field of hardware product stamping processing, the process procedure includes blanking, forming, punching and rivet pressing, etc. Among them, the rivet pressing procedure needs to manually place nuts into the corresponding hole position of the product, so that the nut is pressed into the product plate by the punch in the subsequent process. In the process of manually placing nuts, due to the multiple factors such as the large number of nuts of the product, irregular placement position, and easy error in manual inspection, the rivet pressing procedure will always have the problem of missing nuts.

[0003] In the existing detection equipment, the presence or absence of nuts is detected by machine vision, which is suitable for actual application scenarios. However, for most small and medium-sized processing enterprises, the products processed by the enterprises are of various types and large quantities, and the line change is frequent and the cost of failure is high. For small and medium-sized enterprises without relevant technical personnel, a special detection and positioning clamp is more suitable. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a clamp for rivet detection, which can realize the integration of product positioning and detection of the presence or absence of nuts at a low cost, greatly reduce the number of defective products in the rivet pressing procedure, and reduce the cost of failure.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a clamp for rivet detection, comprising a support seat and a mechanical hand mounted on the support seat, a flange is arranged at the end of the mechanical hand away from the support seat, and the mechanical hand is connected with a special arm through the flange, a positioning clamp is arranged below the special arm, the special arm comprises a top plate, a nylon column arranged below the top plate, and a probe fixed on the nylon column, the top plate is fixedly connected to the flange, and a suction cup is further arranged below the top plate, the positioning clamp comprises a bottom plate, a detection block arranged on the bottom plate, and a proximity switch mounted on the detection block, a pipe seat and a pad are further arranged on the bottom plate.

[0006] Preferably, the nylon column is provided with a plurality of nylon columns, and the plurality of nylon columns are uniformly distributed on the top plate.

[0007] Preferably, the end of the nylon column away from the probe is provided with a thread, and the nylon column is mounted on the top plate through the thread thereon, so that the nylon column can be fixed on the top plate.

[0008] Preferably, the suction cup is fixed on a suction cup support, and the suction cup support and the suction cup are provided with a plurality of suction cup supports and suction cups, and the plurality of suction cup supports are fixed on the top plate.

[0009] Preferably, the detection block, the pipe seat and the pad are fixed on the bottom plate by screws.

[0010] Preferably, the detection block, the pipe position and the cushion block are all provided with a plurality of.

[0011] Preferably, a guide hole is arranged on the detection block, for ensuring that the nut pin does not tilt when falling downward.

[0012] Preferably, the utility model also includes a rack, the rack is arranged on one side of the support base, and the rack is located below the positioning clamp, and the bottom plate is fixed on the rack through screws.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows: the utility model can realize the integration of product positioning and detection of whether the nut pin exists or not at a low cost, greatly reduces the number of defective products in the rivet pressing process, and reduces the failure cost; the utility model moves the product placing position from the punch press to the external positioning clamp, avoids excessive contact of the staff with the punch press, and further reduces the safety risks such as mechanical injury. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a whole structure schematic view of the utility model.

[0015] Fig. 2 It is a structure schematic view of the special arm of the utility model.

[0016] Fig. 3 It is a structure schematic view of the positioning clamp of the utility model.

[0017] The reference signs and names in the drawings are as follows: 1, support base; 2, mechanical hand; 3, flange; 4, special arm; 41, top plate; 42, nylon column; 43, probe; 44, suction cup support; 45, suction cup; 5, positioning clamp; 51, bottom plate; 52, detection block; 521, guide hole; 53, pipe position; 54, cushion block; 55, proximity switch; 6, rack. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] In the description of the embodiments of the utility model, need understanding, the term "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom" "internal", "external" and so on the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, just is for the convenience of describing the utility model embodiment and simplifying the description, and is not indicating or implying that the device or element indicated must have a particular orientation, a particular orientation and operation, therefore, cannot be understood as a limitation on the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the embodiments of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited.

[0020] In the embodiments of the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0021] Please refer to Fig. 1 The utility model provides a kind of clamp for the detection of press rivet, including support seat 1 and install the mechanical hand 2 on support seat 1, flange 3 is provided on the end of mechanical hand 2 away from support seat 1, and mechanical hand 2 is connected with special arm 4 by flange 3, positioning clamp 5 and rack 6 are provided below special arm 4, rack 6 is below positioning clamp 5, rack 6 is set on the side of support seat 1.

[0022] Please refer to Fig. 2, the special arm 4 includes top plate 41, nylon column 42 arranged below the top plate 41 and probe 43 fixed on the nylon column 42, the top plate 41 is fixedly connected to the flange 3, and the bottom of the top plate 41 is also provided with a suction cup 45, the nylon column 42 and the probe 43 are provided with a plurality of nylon columns 42, and the plurality of nylon columns 42 are uniformly distributed on the top plate 41, and the specific number of the nylon column 42 is determined according to the number of nut pegs, the end of the nylon column 42 away from the probe 43 is provided with a screw thread, and the nylon column 42 is installed on the top plate 41 through the screw thread thereon, so that the nylon column 42 can be fixed on the top plate 41, the suction cup 45 is fixed on the suction cup support 44, and the suction cup support 44 and the suction cup 45 are provided with a plurality of suction cup supports 44 and a plurality of suction cups 45, and the specific number is determined according to the product size, and the plurality of suction cup supports 44 are fixed on the top plate 41.

[0023] Please refer to Fig. 3 , the positioning clamp 5 includes a bottom plate 51, a detection block 52 arranged on the bottom plate 51 and a proximity switch 55 mounted on the detection block 52, a guide hole 521 is arranged on the detection block 52 for ensuring that the nut peg does not tilt when falling downward, and a pipe site 53 and a pad block 54 are arranged on the bottom plate 51, the detection block 52, the pipe site 53 and the pad block 54 are fixed on the bottom plate 51 through screws, and the detection block 52, the pipe site 53 and the pad block 54 are provided with a plurality of detection blocks 52, the number of detection blocks 52 is determined according to the number of rivets required by the product, when the interval of the nut pegs to be detected is large, each detection block 52 detects only one nut peg, when the interval of the nut pegs is small, each detection block 52 can install multiple proximity switches 55 for detecting multiple nut pegs, the number of pipe sites 53 is determined according to the shape of the product, and at least eight pipe sites 53 are designed, two pipe sites 53 are designed for limiting in front, back, left and right, and the number of pad blocks 54 is determined according to the size and shape of the product, and the product pad square is needed according to the actual situation of the product to facilitate the manipulator 2 to take the material, and the bottom plate 51 is fixed on the rack 6 through screws.

[0024] Please refer to Figs. 1 to 3 , in the working of the utility model, first, the manipulator 2 is used to place the product to the positioning clamp 5 from the previous machining process; the staff places the nut pegs to the corresponding position of the product; the proximity switch 55 detects all the number of nut pegs and sends a signal to the rear process manipulator 2; when the manipulator 2 receives the signal, it starts to run, the manipulator 2 drives the special arm 4 to move to the nut peg corresponding to each probe 43 above the product, and then slowly moves downward, when the probe 43 presses the nut peg, the suction cup 45 is attached to the product, the manipulator 2 provides vacuum suction force to the suction cup 45 to adsorb the product, at this time, the manipulator 2 can drive the product to move to the next process.

[0025] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A fixture for detecting a press-rivet, comprising a support base (1) and a robot (2) mounted on the support base (1), characterized in that: The flange (3) is arranged at one end of the mechanical arm (2) away from the support base (1), and the special arm (4) is connected to the mechanical arm (2) through the flange (3), the lower part of the special arm (4) is provided with the positioning clamp (5), and the special arm (4) comprises the top plate (41), the nylon column (42) arranged below the top plate (41) and the probe (43) fixed on the nylon column (42), the top plate (41) is fixedly connected to the flange (3), and the lower part of the top plate (41) is also provided with the suction disc (45), the positioning clamp (5) comprises the bottom plate (51), the detection block (52) arranged on the bottom plate (51) and the proximity switch (55) mounted on the detection block (52), and the bottom plate (51) is also provided with the pipe position (53) and the cushion block (54).

2. The jig for detecting a press-rivet according to claim 1, wherein: The nylon column (42) is provided with a plurality of nylon columns (42) which are uniformly distributed on the top plate (41).

3. The fixture for detecting a press-rivet according to claim 1, wherein: The nylon column (42) is provided with a plurality of nylon columns (42) which are uniformly distributed on the top plate (41).

4. The clamp for detecting a press-rivet according to claim 1, wherein: The suction disc (45) is fixed on the suction disc support (44), and the suction disc support (44) and the suction disc (45) are provided with a plurality of suction disc supports (44) which are fixed on the top plate (41).

5. The clamp for detecting a press-rivet according to claim 1, wherein: The detection block (52), the pipe position (53) and the cushion block (54) are fixed on the bottom plate (51) by screws.

6. The fixture for detecting a press-rivet according to claim 1, wherein: The detection block (52), the pipe position (53) and the cushion block (54) are provided with a plurality of detection blocks (52).

7. The fixture for detecting a press-rivet according to claim 1, wherein: The detection block (52) is provided with a guide hole (521).

8. The fixture for detecting a press-rivet according to claim 1, wherein: The rack (6) is arranged on one side of the support base (1), and the rack (6) is located below the positioning clamp (5), and the bottom plate (51) is fixed on the rack (6) by screws.