Screw-free fool-proof device in riveting operation

Abstract

The utility model relates to the technical field of riveting operation, and discloses a fool-proof device without screws in riveting operation. A fool-proof assembly is arranged on a lower die holder; the riveting punch is driven by the upper die to move downwards, so that the riveting punch pushes one end of the riveting bolt to move, the sliding rod is pushed to move in the fixing hole, in the process, the sliding rod extrudes the telescopic spring to enable the telescopic spring to be compressed and generate elastic deformation, and when riveting of the riveting bolt is completed, the telescopic spring is pressed by the sliding rod. One end of the sliding rod is inserted into the mounting groove, light of the laser sensor is shielded through the sliding rod, then a signal can be output to prompt that the riveting bolt is successfully riveted, and under the same condition, when no riveting bolt exists, the riveting punch cannot move in the guide hole and the fixing hole, and therefore the riveting bolt can be accurately riveted. When the riveting bolt is riveted, one end of the sliding rod cannot shield the light of the laser sensor, the output signal of the laser sensor is not changed, the riveting bolt is prompted to be unsuccessful, the fool-proof effect is achieved, and the machining cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of riveting operations, in particular to a fool-proof device for riveting operations without screws. Background Art

[0002] Riveting is a common mechanical connection method, usually used to connect metal parts. Riveting is done by placing a rivet between the connecting parts, and then using the shape and strength of the rivet head to fix the connecting parts together. The advantages of riveting include strong connection, corrosion resistance, high temperature resistance and strong vibration resistance.

[0003] In traditional riveting operations, there may be a situation where there is no rivet bolt feed. Since it is impossible to know it in the first time, it is easy to cause waste of processed plates, thereby increasing processing costs. For this reason, a fool-proof device without screws in riveting operations is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a screw-free fool-proof device in riveting operations, so as to solve the problem that in traditional riveting operations mentioned in the above background technology, there may be a situation where there is no rivet bolt supply. Since it is impossible to know it in the first time, it is easy to cause waste of processed plates, thereby increasing the processing cost.

[0005] To achieve the above object, the utility model provides the following technical solution: a foolproof device for riveting without screws, comprising an upper die and a lower die base, a riveting punch is installed at the bottom of the upper die, the lower die base is arranged below the upper die, and a foolproof component is arranged on the lower die base;

[0006] The fool-proofing component includes a fixed plate, a fixed column and a telescopic spring, the fixed plate is installed on the top of the lower mold base, the fixed column is installed inside the fixed plate, a guide hole is provided at the bottom of the fixed column, a fixing hole is provided inside the fixed plate below the fixed column, sliding rods are installed inside the guide hole and the fixing hole, the telescopic spring is movably connected to the outside of the sliding rod, an installation groove is provided on the top of the lower mold base, and a laser sensor is installed inside the installation groove.

[0007] Preferably, guide pins are installed on both sides of the top of the fixed plate, and a plate is arranged on the top of the fixed plate between the guide pins.

[0008] Preferably, a connection hole is provided at the top of the fixing column, and a rivet bolt penetrating through the top side of the plate is movably inserted into the connection hole.

[0009] Preferably, one end of the sliding rod passes through the fixing plate, and one end of the sliding rod is inserted into the interior of the mounting groove.

[0010] Preferably, one end of the telescopic spring abuts against the bottom of the boss of the sliding rod, and the other end of the telescopic spring abuts against the bottom of the fixing hole.

[0011] Preferably, the bottom of the riveting punch abuts against the top of the riveting bolt, and the bottom of the riveting bolt abuts against the top of the sliding rod.

[0012] Compared with the prior art, the utility model adopts the above technical scheme and has the following technical effects: the utility model drives the riveting punch to move downward through the upper mold, so that the riveting punch pushes one end of the riveting bolt to move, thereby pushing the sliding rod to move inside the fixing hole. In this process, the sliding rod squeezes the telescopic spring, compresses it and elastically deforms it. When the riveting of the riveted bolt is completed, one end of the sliding rod is inserted into the inside of the mounting groove. The sliding rod blocks the light of the laser sensor, and a signal can be output to indicate that the riveting of the riveted bolt is successful. Under the same circumstances, when there is no riveting bolt, the riveting punch cannot move inside the guide hole and the fixing hole, and one end of the sliding rod cannot block the light of the laser sensor. The output signal of the laser sensor does not change, which indicates that the riveting of the riveted bolt is unsuccessful, thereby preventing mistakes and reducing processing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the lower die base of the utility model;

[0016] Figure 3 For the utility model Figure 2 Schematic diagram of the enlarged structure of the middle A area;

[0017] Figure 4 It is a schematic diagram of the main structure of the utility model.

[0018] Explanation of the accompanying drawings: 1. Upper mold; 2. Riveting punch; 3. Lower mold base; 4. Fixed plate; 5. Fixed column; 6. Connecting hole; 7. Guide hole; 8. Fixed hole; 9. Sliding rod; 10. Telescopic spring; 11. Mounting groove; 12. Laser sensor; 13. Guide pin; 14. Riveting bolt; 15. Plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0021] Example

[0022] See also Figure 1-4 The utility model provides a technical solution: a screw-free fool-proof device in riveting operation, comprising an upper die 1 and a lower die base 3, a riveting punch 2 is installed at the bottom of the upper die 1, the lower die base 3 is arranged below the upper die 1, and a fool-proof component is arranged on the lower die base 3;

[0023] By setting up the fool-proofing component, it is possible to avoid wasting the plate 15 and reduce the processing cost; the fool-proofing component includes a fixed plate 4, a fixed column 5 and a telescopic spring 10, the fixed plate 4 is installed on the top of the lower die base 3, the fixed column 5 is installed inside the fixed plate 4, a guide hole 7 is provided at the bottom of the fixed column 5, a fixed hole 8 is provided inside the fixed plate 4 below the fixed column 5, a sliding rod 9 is installed inside the guide hole 7 and the fixing hole 8, the telescopic spring 10 is movably sleeved on the outside of the sliding rod 9, a mounting groove 11 is provided on the top of the lower die base 3, and a laser sensor 12 is installed inside the mounting groove 11; when the riveting operation is performed, the sliding rod 9 moves inside the fixing hole 8. During this process, the sliding rod 9 squeezes the telescopic spring 10, compressing it and causing elastic deformation. When the riveting bolt 14 is riveted, one end of the sliding rod 9 is inserted into the inside of the mounting groove 11. The sliding rod 9 blocks the light of the laser sensor 12, and a signal can be output, indicating that the riveting of the riveting bolt 14 is successful. Under the same circumstances, when the riveting punch 2 cannot move inside the guide hole 7 and the fixing hole 8, one end of the sliding rod 9 cannot block the light of the laser sensor 12, and the output signal of the laser sensor 12 does not change, which indicates that the riveting of the riveting bolt 14 is unsuccessful.

[0024] Guide pins 13 are installed on both sides of the top of the fixed plate 4. A plate 15 is arranged on the top of the fixed plate 4 between the guide pins 13. The bottom of the guide pin 13 can support the plate 15 by setting a spring. When under pressure, it drives the plate 15 to move downward. When not under pressure, it can drive the plate 15 to float. A connecting hole 6 is opened on the top of the fixed column 5. A rivet bolt 14 that passes through the top side of the plate 15 is movably inserted into the connecting hole 6. The bottom of the rivet punch 2 abuts against the top of the rivet bolt 14, and the bottom of the rivet bolt 14 abuts against the top of the sliding rod 9. The rivet punch 2 is driven to move downward through the upper mold 1, so that the rivet punch 2 pushes the rivet bolt 14 to move, so that the rivet bolt 14 is inserted into the inside of the connecting hole 6.

[0025] One end of the sliding rod 9 passes through the fixed plate 4, and one end of the sliding rod 9 is inserted into the interior of the mounting groove 11. When one end of the sliding rod 9 is inserted into the interior of the mounting groove 11, the light of the laser sensor 12 can be blocked, and one end of the telescopic spring 10 abuts against the bottom of the boss of the sliding rod 9, and the other end of the telescopic spring 10 abuts against the bottom of the fixing hole 8. After the riveting is completed, the riveting punch 2 is driven by the upper mold 1 to move upward and reset, and the guide pin 13 can drive the plate 15 to move upward. At this time, the plate 15 drives the rivet bolt 14 to move upward, so that the telescopic spring 10 drives the sliding rod 9 to reset, thereby facilitating the next detection.

[0026] The model of the laser sensor 12 is: LTD03-30NO LTD04-50NO, which is a micro laser sensor with M6, detection distance of 200MM, and NPN normally open.

[0027] Working principle or structural principle, when riveting operation is required, the upper mold 1 drives the riveting punch 2 to move downward, so that the riveting punch 2 pushes the riveting bolt 14 to move, and one end of the riveting bolt 14 moves in the guide hole 7 inside the fixing column 5, thereby pushing the sliding rod 9 to move inside the fixing hole 8. In this process, the sliding rod 9 squeezes the telescopic spring 10, compressing it and causing elastic deformation. When the riveting of the riveting bolt 14 is completed, one end of the sliding rod 9 is inserted into the inside of the mounting groove 11, and the light of the laser sensor 12 is blocked by the sliding rod 9, so that a signal can be output. , indicating that the riveting bolt 14 is successfully riveted. Under the same circumstances, when there is no riveting bolt 14, the riveting punch 2 cannot move inside the guide hole 7 and the fixing hole 8, one end of the sliding rod 9 cannot block the light of the laser sensor 12, and the output signal of the laser sensor 12 does not change, which indicates that the riveting of the riveting bolt 14 is unsuccessful; after the riveting is completed, the riveting punch 2 is driven by the upper mold 1 to move upward and reset, and the guide pin 13 can drive the plate 15 to move upward. At this time, the plate 15 drives the riveting bolt 14 to move upward, so that the telescopic spring 10 drives the sliding rod 9 to reset, thereby facilitating the next detection.

[0028] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.

Claims

1. A screwless anti-fool device in riveting operation, comprising an upper die (1) and a lower die base (3), characterized in that: A riveting punch (2) is installed at the bottom of the upper mold (1), the lower mold base (3) is arranged below the upper mold (1), and an anti-fouling component is arranged on the lower mold base (3); The foolproof component comprises a fixed plate (4), a fixed column (5) and a telescopic spring (10); the fixed plate (4) is mounted on the top of the lower die base (3); the fixed column (5) is mounted inside the fixed plate (4); a guide hole (7) is provided at the bottom of the fixed column (5); a fixing hole (8) is provided inside the fixed plate (4) below the fixed column (5); a sliding rod (9) is installed inside the guide hole (7) and the fixing hole (8); the telescopic spring (10) is movably sleeved on the outer side of the sliding rod (9); a mounting groove (11) is provided on the top of the lower die base (3); a laser sensor (12) is installed inside the mounting groove (11).

2. The screwless fool-proof device in riveting operation according to claim 1, characterized in that: Guide pins (13) are installed on both sides of the top of the fixed plate (4), and a plate (15) is arranged between the guide pins (13) on the top of the fixed plate (4).

3. The screwless fool-proof device in riveting operation according to claim 2, characterized in that: A connection hole (6) is provided at the top of the fixing column (5), and a rivet bolt (14) penetrating through the top side of the plate (15) is movably inserted into the connection hole (6).

4. The screwless fool-proof device in riveting operation according to claim 1, characterized in that: One end of the sliding rod (9) passes through the fixing plate (4), and one end of the sliding rod (9) is inserted into the interior of the mounting groove (11).

5. The screwless fool-proof device in riveting operation according to claim 1, characterized in that: One end of the telescopic spring (10) abuts against the bottom of the boss of the sliding rod (9), and the other end of the telescopic spring (10) abuts against the bottom of the fixing hole (8).

6. The screwless fool-proof device in riveting operation according to claim 3, characterized in that: The bottom of the riveting punch (2) abuts against the top of the riveting bolt (14), and the bottom of the riveting bolt (14) abuts against the top of the sliding rod (9).

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