Automatic stop screw machine

By installing a ring-shaped inductive proximity switch sensor and a force sensor in the screw-making machine, combined with a controller and motor drive module, real-time detection of processing force and automatic shutdown can be achieved. This solves the problem of inconsistent force caused by wear of raw materials and parts in screw processing, reduces the scrap rate, and ensures product quality.

CN223801494UActive Publication Date: 2026-01-16JINGU LUOSI
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520435567.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-01-16
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

During screw processing, inconsistent processing force can easily lead to defective products due to differences in raw materials and wear of components, thus affecting product quality.

Method used

A ring-shaped inductive proximity switch sensor and a force sensor are installed in the screw-making machine. These are connected to the motor drive module via a controller to achieve real-time detection of processing force and automatic shutdown, thus ensuring product quality.

Benefits of technology

Automatic detection and shutdown functions reduce the scrap rate and ensure the quality of screw processing products.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223801494U_ABST
    Figure CN223801494U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of screw machines, and discloses an automatic stop screw machine which comprises a rack, a guide plate is fixedly connected to the outer surface of the rack, and a mounting groove is formed in the guide plate. According to the automatic stop screw machine, the push block is arranged on one side of the punch base, the force sensor corresponding to the push block is arranged in the rack, the machining force can be detected in the screw machining process, then waste products are detected, the controller electrically connected with the force sensor and the motor driving module is arranged, and the automatic stop screw machine can automatically stop the screws. The device can automatically stop when the force sensor detects different results, reduces the rejection rate, guarantees the machining quality of products, can detect whether coiled materials are used up or not by arranging the annular inductance type proximity switch sensor, and solves the problems that in the screw machining process, machining force is not consistent due to raw material difference, part abrasion and other factors, and the machining efficiency is high. Waste products are easy to generate, and the product quality is influenced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of screw machines, in particular to a self-stopping screw machine. BACKGROUND

[0002] The head forming machine is an important type of screw machine, which is mainly used for accurately processing metal materials such as steel wires or iron wires to form screws with specific shapes and sizes. Since the head forming machine plays a crucial role in the screw manufacturing process, it is also widely known as a screw machine. Through precise mechanical design and advanced manufacturing process, the head forming machine can efficiently produce screw products that meet various requirements.

[0003] During the screw processing, the inconsistent processing force caused by factors such as raw material differences and component wear can easily produce waste products, affecting product quality. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the application provides a self-stopping screw machine, which has the advantages of being able to detect the processing force during screw processing, thereby detecting waste products, and automatically stopping when the detection results are different, thereby ensuring product processing quality. The problem of inconsistent processing force during screw processing due to factors such as raw material differences and component wear, which can easily produce waste products and affect product quality, is solved.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: a self-stopping screw machine, comprising a rack, a guide plate is fixedly connected to the outer surface of the rack, an installation groove is arranged in the guide plate, an annular inductive proximity switch sensor is fixedly connected to the inside of the installation groove, a coiled material is arranged above the guide plate, the coiled material passes through the detection hole in the top end of the annular inductive proximity switch sensor, a punch base is slidably arranged in the inside of the rack, a punch is arranged at one end of the punch base, a push block is fixedly connected to the front end of the punch base, a force sensor is fixedly connected to the inside of the rack, the push block and the force sensor are located on the same axis, a controller is arranged on the outer surface of the rack, and a motor drive module is arranged in the inside of the rack.

[0006] Through the above-mentioned scheme, since the inconsistent processing force during screw processing caused by factors such as raw material differences and component wear can easily produce waste products and affect product quality, by arranging a push block on one side of the punch base and a force sensor corresponding to the push block in the inside of the rack, the processing force during screw processing can be detected, and the waste products can be detected. By arranging the controller, the machine can be stopped in time when the force sensor detects a difference in force, reducing the waste rate and ensuring the product processing quality.

[0007] Further, the motor drive module is electrically connected to the controller.

[0008] Through the above scheme, the controller can control the motor driving module, and then automatically turn off the motor driving module when waste appears, and no longer perform screw working.

[0009] Further, the annular inductive proximity switch sensor is electrically connected with the controller, and the force sensor is electrically connected with the controller.

[0010] Through the above scheme, the annular inductive proximity switch sensor can detect the coil material in the conveying and processing process, and immediately feed back the detection result to the controller as soon as the coil material is detected to be used up. The controller stops the screw machine, and the worker reloads. The force sensor can detect the force during processing, and then detect the waste. When the force sensor detects that the processing force is different, it will immediately feed back to the controller, and the controller will immediately stop the screw machine, thereby reducing the waste rate.

[0011] Further, the upper surface of the guide plate is fixedly connected with two limiting tubes, and the two limiting tubes are symmetrically arranged at both ends of the annular inductive proximity switch sensor. The outer circumferential surface of the coil material is in sliding connection with the inner wall of the limiting tube.

[0012] Through the above scheme, the coil material is limited to make the coil material pass through the center of the detection hole of the annular inductive proximity switch sensor, avoiding contact with the annular inductive proximity switch sensor.

[0013] Further, two rows of equidistantly arranged guide wheels are rotatably connected above the guide plate. The outer circumferential surface of the guide wheel is provided with an arc-shaped groove, and the coil material passes through the inside of the arc-shaped groove between the guide wheels.

[0014] Through the above scheme, the guide wheel can guide the coil material and flatten the coil material, facilitating subsequent screw working.

[0015] Further, the upper surface of the rack is provided with an operation table, the top end of the operation table is provided with a man-machine interaction interface, and the outer surface of the operation table is provided with an emergency stop button.

[0016] Through the above scheme, the worker can control the screw machine through the man-machine interaction interface on the operation table. When an emergency occurs, the emergency stop button can be pressed to stop the screw machine, thereby improving the safety of the screw machine operation.

[0017] Further, the outer surface of the rack is provided with an alarm, and the alarm is electrically connected with the controller.

[0018] Through the above scheme, when the annular inductive proximity switch sensor detects that the material is used up, or the force sensor detects a difference in force, waste appears, the controller stops the screw machine and also starts the alarm to remind the staff to handle it in time.

[0019] Further, the upper surface of the rack is fixedly connected with a protective cover, and the front end of the protective cover is hingedly connected with a movable cover.

[0020] Through the above scheme, the protective cover and the movable cover can shield the internal structure of the screw machine, and the movable cover hingedly connected to the front end of the protective cover is convenient to rotate and open, so that the internal structure of the screw machine can be viewed and maintained.

[0021] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0022] The self-stopping screw machine can detect the force during processing, and then detect the waste products, through the controller electrically connected with the force sensor and the motor driving module, the screw machine can be automatically stopped when the force sensor detects different results, reducing the waste rate, ensuring the product processing quality, through the annular inductive proximity switch sensor, the coil material passes through the detection hole of the annular inductive proximity switch sensor, and the annular inductive proximity switch sensor is electrically connected with the controller, the use of the coil material can be detected, and the screw machine can be stopped by the controller when the coil material is used up, reminding the worker to feed, solving the problem that the processing force is inconsistent due to raw material difference, part wear and other factors during screw processing, which is easy to produce waste products and affects product quality. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole three-dimensional structure diagram of the present application;

[0024] Figure 2 It is a force sensor structure diagram of the present application;

[0025] Figure 3 It is a whole front view structure diagram of the present application;

[0026] Figure 4 It is a whole top view structure diagram of the present application;

[0027] Figure 5 It is an annular inductive proximity switch sensor structure diagram of the present application.

[0028] In the figure:

[0029] 1, rack; 2, guide plate; 3, mounting groove; 4, ring inductive proximity switch sensor; 5, coiled material; 6, punch base; 7, punch; 8, push block; 9, force sensor; 10, controller; 11, motor drive module; 12, limiting tube; 13, guide wheel; 14, operation table; 15, human-computer interaction interface; 16, emergency stop button; 17, alarm; 18, protective cover; 19, movable cover. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0031] Please refer to Figure 1 , Figure 2 and Figure 5 , the self-stopping screw machine in the embodiment includes a rack 1, the outer surface of the rack 1 is fixedly connected with a guide plate 2, the guide plate 2 is internally provided with a mounting groove 3, the inside of the mounting groove 3 is fixedly connected with a ring inductive proximity switch sensor 4, the upper part of the guide plate 2 is provided with a coiled material 5, the coiled material 5 passes through the inside of the detection hole at the top end of the ring inductive proximity switch sensor 4, the inside of the rack 1 is slidably provided with a punch base 6, one end of the punch base 6 is provided with a punch 7, the front end of the punch base 6 is fixedly connected with a push block 8, the inside of the rack 1 is fixedly connected with a force sensor 9, the push block 8 and the force sensor 9 are located on the same axis, the outer surface of the rack 1 is provided with a controller 10, and the inside of the rack 1 is provided with a motor drive module 11.

[0032] Please refer to Figure 1 , Figure 2 and Figure 4 , the motor drive module 11 is electrically connected with the controller 10, the controller 10 can control the motor drive module 11, so that the motor drive module 11 is automatically turned off when waste appears, and the screwing operation is no longer performed.

[0033] Please refer to Figure 1 , Figure 2 and Figure 5The annular inductive proximity switch sensor 4 is electrically connected with the controller 10, and the force sensor 9 is electrically connected with the controller 10. The annular inductive proximity switch sensor 4 can detect the coil material 5 in the conveying and processing process. Once the coil material 5 is detected to be used up, the detection result is fed back to the controller 10, the controller 10 stops the screw machine, and the worker recharges. The force sensor 9 can detect the force during the processing, and then detect the waste. When the force sensor 9 detects that the processing force is different, it will immediately feed back to the controller 10, and the controller 10 immediately stops the screw machine, thereby reducing the waste rate.

[0034] Please refer to Figure 1 and Figure 5 , the upper surface of the guide plate 2 is fixedly connected with two limiting tubes 12, and the two limiting tubes 12 are symmetrically arranged at the two ends of the annular inductive proximity switch sensor 4. The outer circumferential surface of the coil material 5 is slidably connected with the inner wall of the limiting tube 12, the coil material is limited, and the coil material can pass through the center of the detection hole of the annular inductive proximity switch sensor 4, avoiding contact with the annular inductive proximity switch sensor 4.

[0035] Please refer to Figure 1 , Figure 4 and Figure 5 , the guide plate 2 is rotatably connected with two rows of equidistantly arranged guide wheels 13 above the guide plate 2. The outer circumferential surface of the guide wheel 13 is provided with an arc-shaped groove. The coil material 5 passes through the inside of the arc-shaped groove between the guide wheels 13. The guide wheel 13 can guide the coil material and flatten the coil material, facilitating the subsequent screwing operation.

[0036] Please refer to Figure 1 , Figure 2 and Figure 3 , the upper surface of the rack 1 is provided with an operation table 14. The top end of the operation table 14 is provided with a man-machine interaction interface 15. The outer surface of the operation table 14 is provided with an emergency stop button 16. The worker can control the screw machine through the man-machine interaction interface 15 on the operation table 14. When an emergency occurs, the emergency stop button 16 can be pressed to stop the screw machine, thereby improving the safety of the screw machine operation.

[0037] Please refer to Figure 1 , Figure 2 and Figure 3 , the outer surface of the rack 1 is provided with an alarm 17. The alarm 17 is electrically connected with the controller 10. When the annular inductive proximity switch sensor 4 detects that the coil material is used up, or the force sensor 9 detects that the force is different, the controller 10 stops the screw machine and starts the alarm 17 to alarm, reminding the worker to handle in time.

[0038] Please refer to Figure 1 , Figure 2 andFigure 4 The upper surface of the rack 1 is fixedly connected with a protective cover 18, and the front end of the protective cover 18 is hingedly connected with a movable cover 19. The protective cover 18 and the movable cover 19 can shield the internal structure of the screw machine. The movable cover 19 hingedly connected to the front end of the protective cover 18 is convenient to rotate and open, so as to facilitate the checking and maintenance of the internal structure of the screw machine.

[0039] The self-stopping screw machine in the embodiment can detect the force during the screw processing, and then detect the waste products, by arranging the push block 8 on one side of the punch base 6 and the force sensor 9 corresponding to the push block 8 in the rack 1. The controller 10 electrically connected with the force sensor 9 and the motor driving module 11 can automatically stop when the force sensor 9 detects different results, so as to reduce the waste rate, guarantee the product processing quality, and solve the problems that the processing force is inconsistent and the waste products are easily produced, which affect the product quality, due to the factors such as raw material difference and part wear during the screw processing, by arranging the annular inductive proximity switch sensor 4, passing the coiled material 5 through the detection hole of the annular inductive proximity switch sensor 4, and electrically connecting the annular inductive proximity switch sensor 4 with the controller 10. The use of the annular inductive proximity switch sensor 4 can detect whether the coiled material 5 is used up, and the controller 10 can stop the screw machine when the coiled material 5 is used up, so as to remind the worker to feed the material.

[0040] It should be noted that the alarm 17 is an audible and visual alarm, and the warning effect is better. The motor driving module 11 is a power driving mechanism of the whole screw machine, which can control the start and stop of the whole screw machine.

[0041] The working principle of the above embodiment is as follows:

[0042] When the screw machine is working, the punch base 6 and the punch 7 will move back and forth to complete the screw stamping work. When the punch base 6 moves forward, the push block 8 will move forward, so as to extrude the force sensor 9. Once the waste products are produced due to the factors such as raw material difference and part wear, the force during the processing will be different, and the pressure applied by the push block 8 to the force sensor 9 will also be different. When the force sensor 9 detects the difference in the processing force, it will immediately feed back to the controller 10. The controller 10 will immediately stop the screw machine and start the alarm 17 to warn the worker to handle it in time. The annular inductive proximity switch sensor 4 can judge whether the coiled material 5 exists or not by detecting the magnetic field change of the metal coiled material. Once it detects that the coiled material 5 is used up, it will immediately feed back the detection result to the controller 10. The controller 10 will stop the screw machine and start the alarm 17 to warn the worker to supplement the coiled material 5 in time.

[0043] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the enclosed claims. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the application can be varied in a multitude of ways. Such alterations, many of which will be apparent to those skilled in the art, can be based on current technology, and as such, this application should not be limited to the particular embodiments described herein, but should be understood to include all embodiments that are within the scope of the appended claims and their equivalents.

[0044] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, which can be limited only by the scope of the appended claims and their equivalents.

Claims

1. A self-stopping screwing machine comprising a frame (1), characterized in that: The outer surface of the rack (1) is fixedly connected with a guide plate (2), the guide plate (2) is internally provided with a mounting groove (3), the mounting groove (3) is fixedly connected with a ring inductive proximity switch sensor (4) internally, the upper portion of the guide plate (2) is provided with a coiled material (5), the coiled material (5) passes through the inside of the detection hole at the top end of the ring inductive proximity switch sensor (4), the inside of the rack (1) is slidably provided with a punch base (6), one end of the punch base (6) is provided with a punch (7), the front end of the punch base (6) is fixedly connected with a push block (8), the inside of the rack (1) is fixedly connected with a force sensor (9), the push block (8) and the force sensor (9) are located on the same axis, the outer surface of the rack (1) is provided with a controller (10), and the inside of the rack (1) is provided with a motor driving module (11).

2. A self-stopping screw machine according to claim 1, wherein: The motor driving module (11) is electrically connected with the controller (10).

3. A self-stopping screw machine according to claim 1, wherein: The ring inductive proximity switch sensor (4) is electrically connected with the controller (10), and the force sensor (9) is electrically connected with the controller (10).

4. The self-stopping screw machine of claim 1, wherein: The upper surface of the guide plate (2) is fixedly connected with two limiting tubes (12), and the two limiting tubes (12) are symmetrically arranged at the two ends of the ring inductive proximity switch sensor (4), and the outer circumferential surface of the coiled material (5) is slidably connected with the inner wall of the limiting tube (12).

5. The self-stopping screw machine of claim 1, wherein: The upper portion of the guide plate (2) is rotatably connected with two rows of equidistantly arranged guide wheels (13), the outer circumferential surface of the guide wheel (13) is provided with an arc-shaped groove, and the coiled material (5) passes through the inside of the arc-shaped groove between the guide wheels (13).

6. The self-stopping screw machine of claim 1, wherein: The upper surface of the rack (1) is provided with an operation table (14), the top end of the operation table (14) is provided with a man-machine interaction interface (15), and the outer surface of the operation table (14) is provided with an emergency stop button (16).

7. The self-stopping screw machine of claim 1, wherein: The outer surface of the rack (1) is provided with an alarm (17), and the alarm (17) is electrically connected with the controller (10).

8. The self-stopping screw machine of claim 1, wherein: The upper surface of the rack (1) is fixedly connected with a protective cover (18), and the front end of the protective cover (18) is hingedly connected with a movable cover (19).