Screw and nut quality detector

Abstract

The utility model relates to the technical field of screw and nut detection, in particular to a screw and nut quality detector. According to the technical scheme, the device comprises a base, a first box body, a mounting panel, a shell and a connecting plate, wherein the first box body and a second box body are mounted on the top end face of the base; a second driving mechanism is mounted on the bottom end face of the mounting panel, and a vibration motor is arranged on an output shaft of the second driving mechanism through a rotating shaft. A containing disc is arranged on the vibration motor; an electric heating wire is installed in the first box body in an attached mode, and a pump body is installed in the second box body. A control panel is mounted on the rear end face of the mounting panel in an attached mode. A hydraulic rod and a first guide rod are mounted on the top end face of the shell, the shell is mounted on the mounting panel, and a first fixing pipe and a second fixing pipe are mounted in the shell. A connecting plate is arranged on an output shaft of the hydraulic rod; and a driving mechanism I is mounted on the bottom end surface of the connecting plate. According to the utility model, screw and nut detection is satisfied, and long-time use environment and position are simulated during detection.

Description

Technical Field

[0001] The utility model relates to the technical field of screw and nut detection, in particular to a screw and nut quality detector. Background Art

[0002] A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on the sewing material, so that one or more layers of sewing material are interwoven or sewn together. In the installation and manufacturing process of a sewing machine, the most commonly used parts are screws and nuts.

[0003] Existing screws and nuts are often inspected during use, but the inspections are mostly done by testing the torque value through a torque sensor or pulling out the connection tightness after the screws and nuts are connected. The test function is too single and screws and nuts are mostly used in different positions and in different environments, so a simulated environment is also needed for testing. Utility Model Content

[0004] The purpose of the utility model is to provide a screw and nut quality detector to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a screw and nut quality detector, comprising a base, a box body, a mounting panel, a shell and a connecting plate,

[0006] The top surface of the base is provided with box body 1 and box body 2;

[0007] The bottom end surface of the installation panel is installed with a second driving mechanism, and a vibration motor is arranged on the output shaft of the second driving mechanism via a rotating shaft;

[0008] The vibration motor is provided with a holding tray;

[0009] The first box is fitted with a heating wire, and the second box is fitted with a pump body;

[0010] A control panel is mounted on the rear end surface of the mounting panel;

[0011] A hydraulic rod and a guide rod 1 are installed on the top surface of the shell, and the shell is installed on the installation panel, and a fixing pipe 1 and a fixing pipe 2 are installed in the shell;

[0012] A connecting plate is provided on the output shaft of the hydraulic rod;

[0013] A driving mechanism 1 is installed on the bottom end surface of the connecting plate, and a torque sensor is arranged on the output shaft of the driving mechanism 1.

[0014] Preferably, a support frame is welded to the bottom end surface of the installation panel, and the bottom end surface of the support frame is welded to the base. The installation panel is installed on the base through the support frame.

[0015] Preferably, an air inlet pipe is embedded and fixed on the front end surface of the box body 1, the air inlet pipe is in gas communication with the box body 1, and a fan is arranged in the air inlet pipe. By turning on the fan, air can be introduced into the box body 1 through the air inlet pipe.

[0016] Preferably, a liquid inlet pipe is embedded and fixed on the top surface of the second box body, and the liquid inlet pipe is in liquid communication with the second box body. Water that corrodes metals can be injected into the second box body for storage through the liquid inlet pipe.

[0017] Preferably, the pump body is provided with a connecting pipe 2, and one end of the connecting pipe 2 facing away from the pump body is embedded and fixed in the fixed pipe 1. By opening the pump body, water corrosive to metals in the box body 2 can be drawn and injected into the fixed pipe 1 through the connecting pipe 2.

[0018] Preferably, a connecting pipe 1 is embedded and fixed on the rear end surface of the box body 1, and the end of the connecting pipe 1 facing away from the box body 1 is embedded and fixed in the fixed pipe 2. By embedding and fixing the end of the connecting pipe 1 facing away from the box body 1 in the fixed pipe 2, the gas that enters the box body 1 and is heated is injected into the fixed pipe 2 through the connecting pipe 1.

[0019] Preferably, the top surface of the connecting plate is welded with a second guide rod, and the second guide rod is sleeved in the first guide rod. When the connecting plate is pushed to move up and down, the middle part is sleeved in the first guide rod by the second guide rod for limiting.

[0020] Preferably, a nozzle is installed on the inner wall of the fixed pipe 1, and an air outlet pipe is arranged in the fixed pipe 2. The water entering the fixed pipe 1 can be sprayed out through the nozzle, and the gas entering the fixed pipe 2 can be discharged through the air outlet pipe.

[0021] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0022] 1. The utility model sets a shell, and when the personnel detects the screw nut, the personnel can install the screw nut on the receiving plate. After installation, the personnel can turn on the vibration motor to drive the receiving plate to vibrate. When the receiving plate vibrates, it drives the installed screw nut to vibrate. The vibration is used to simulate the use environment in which it is installed on the sewing machine. After a certain period of vibration, the personnel can turn on the hydraulic rod to drive the torque sensor to move downward through the connecting plate. When the torque sensor moves downward, it is plugged into the screw nut. After plugging, the personnel can turn on the driving mechanism 1 to drive the torque sensor to rotate. When the torque sensor rotates, it drives the screw nut to rotate to test the torque value and angle. The data during the test can be displayed through the display screen installed on the control panel, and when detecting, the driving mechanism 2 can be turned on to drive the vibration motor to rotate through the rotating shaft, thereby driving the receiving plate to rotate, and then driving the screw nut to rotate on the receiving plate for detection, thereby meeting the quality detection.

[0023] 2. The utility model sets box body one and box body two. When personnel test the screws and nuts, in order to simulate long-term use on the sewing machine and the different use environments, personnel can extract the water corrosive to the metal in box body two by opening the pump body and inject it into the fixed tube one through the connecting tube two, and the end of the connecting tube one away from the box body one is embedded and fixed in the fixed tube two, so that the gas heated by the electric heating wire entering the box body one is injected into the fixed tube two through the connecting tube one, and the water entering the fixed tube one can be sprayed out through the nozzle, and the gas entering the fixed tube two can be discharged through the air outlet pipe, so that the screws and nuts are sprayed with corrosive liquid and heated by high-temperature gas to simulate the state of being affected by the ambient temperature and rusted after long-term use, and the torque sensor is moved down and contacted for detection after simulation, so as to meet the quality inspection and adjust the simulation according to the actual use conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0026] Figure 3 This is a schematic diagram of the rear view structure of the utility model;

[0027] Figure 4 It is a rear view schematic diagram of the internal structure of the utility model.

[0028] In the figure: 1. base; 2. air inlet pipe; 3. fan; 4. box body 1; 5. torque sensor; 6. liquid inlet pipe; 7. box body 2; 8. support frame; 9. installation panel; 10. rotating shaft; 11. fixed pipe 1; 12. nozzle; 13. driving mechanism 1; 14. shell; 15. hydraulic rod; 16. guide rod 1; 17. guide rod 2; 18. connecting plate; 19. fixed pipe 2; 20. air outlet pipe; 21. holding plate; 22. driving mechanism 2; 23. vibration motor; 24. control panel; 25. connecting pipe 1; 26. connecting pipe 2; 27. pump body; 28. heating wire. DETAILED DESCRIPTION

[0029] 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.

[0030] Embodiment 1

[0031] like Figure 1-Figure 4 As shown, the screw and nut quality detector proposed by the utility model includes a base 1, a box body 4, a mounting panel 9, a shell 14 and a connecting plate 18.

[0032] The top surface of the base 1 is equipped with a box 1 4 and a box 2 7;

[0033] The bottom end surface of the mounting panel 9 is mounted with a second driving mechanism 22, and a vibration motor 23 is arranged on the output shaft of the second driving mechanism 22 via a rotating shaft 10;

[0034] A holding tray 21 is provided on the vibration motor 23;

[0035] The heating wire 28 is installed in the box body 1 4, and the pump body 27 is installed in the box body 2 7;

[0036] A control panel 24 is mounted on the rear end surface of the mounting panel 9;

[0037] A hydraulic rod 15 and a guide rod 16 are installed on the top surface of the housing 14, and the housing 14 is installed on the mounting panel 9. A fixed pipe 11 and a fixed pipe 2 19 are installed in the housing 14;

[0038] A connecting plate 18 is provided on the output shaft of the hydraulic rod 15;

[0039] The bottom end surface of the connecting plate 18 is mounted with a driving mechanism 13 , and the output shaft of the driving mechanism 13 is provided with a torque sensor 5 .

[0040] And as is well known to those skilled in the art, the provision of the control panel 24, the fan 3, the torque sensor 5, the drive mechanism 1 13, the drive mechanism 2 2, the vibration motor 23, the pump body 27 and the heating wire 28 is commonplace, and the control panel 24 can be connected to the fan 3, the torque sensor 5, the drive mechanism 1 13, the drive mechanism 2 2, the vibration motor 23, the pump body 27 and the heating wire 28 by wires and an external power supply, so that a display screen can be installed on the control panel 24 to display the value of the torque sensor 5 and control the heating wire 28, and a control switch and a travel switch can be installed on the control panel 24 to control the start and stop of the fan 3, the drive mechanism 1 13, the drive mechanism 2 22, the vibration motor 23 and the pump body 27, which are all conventional means or common knowledge, and will not be repeated here, and those skilled in the art can make any selection according to their needs or convenience. The drive mechanism 1 13 and the drive mechanism 2 22 drive the torque sensor 5 and the rotating shaft 10 to rotate.

[0041] The bottom end surface of the installation panel 9 is welded with a support frame 8 , and the bottom end surface of the support frame 8 is welded to the base 1 , and the installation panel 9 is installed on the base 1 through the support frame 8 .

[0042] A guide rod 2 17 is welded to the top surface of the connecting plate 18, and the guide rod 2 17 is sleeved in the guide rod 1 16. By sleeved in the guide rod 16, when the connecting plate 18 is pushed to move up and down, the middle part is sleeved in the guide rod 1 16 by the guide rod 2 17 to limit the position.

[0043] A nozzle 12 is installed on the inner wall of the fixed pipe 11, and an air outlet pipe 20 is provided in the fixed pipe 2 19. The water entering the fixed pipe 11 can be sprayed out through the nozzle 12, and the gas entering the fixed pipe 2 19 can be discharged through the air outlet pipe 20.

[0044] Based on Example 1: When personnel are testing the screws and nuts, they can install the screws and nuts on the receiving tray 21. After installation, the personnel can turn on the vibration motor 23 to drive the receiving tray 21 to vibrate. When the receiving tray 21 vibrates, it drives the installed screws and nuts to vibrate. The vibration is used to simulate the use environment of the sewing machine in a vibrating state. After a certain period of vibration, the personnel can turn on the hydraulic rod 15 to drive the torque sensor 5 to move downward through the connecting plate 18. When the torque sensor 5 moves downward, it is plugged into the screw and nut. After plugging, the personnel can turn on the driving mechanism 1 13 to drive the torque sensor 5 to rotate. When the torque sensor 5 rotates, it drives the screw and nut to rotate to test the torque value and angle. The data during the test can be displayed through the display screen installed on the control panel 24, and during detection, the driving mechanism 2 22 can be turned on to drive the vibration motor 23 to rotate through the rotating shaft 10, thereby driving the receiving tray 21 to rotate, and then driving the screw and nut to rotate on the receiving tray 21 for detection.

[0045] Embodiment 2

[0046] like Figure 1-Figure 4 As shown, the screw and nut quality detector proposed by the utility model, compared with the first embodiment, this embodiment also includes: a base 1, a box 4, a mounting panel 9, a shell 14 and a connecting plate 18,

[0047] The top surface of the base 1 is equipped with a box 1 4 and a box 2 7;

[0048] The bottom end surface of the mounting panel 9 is mounted with a second driving mechanism 22, and a vibration motor 23 is arranged on the output shaft of the second driving mechanism 22 via a rotating shaft 10;

[0049] A holding tray 21 is provided on the vibration motor 23;

[0050] The heating wire 28 is installed in the box body 1 4, and the pump body 27 is installed in the box body 2 7;

[0051] A control panel 24 is mounted on the rear end surface of the mounting panel 9;

[0052] A hydraulic rod 15 and a guide rod 16 are installed on the top surface of the housing 14, and the housing 14 is installed on the mounting panel 9. A fixed pipe 11 and a fixed pipe 2 19 are installed in the housing 14;

[0053] A connecting plate 18 is provided on the output shaft of the hydraulic rod 15;

[0054] The bottom end surface of the connecting plate 18 is mounted with a driving mechanism 13 , and the output shaft of the driving mechanism 13 is provided with a torque sensor 5 .

[0055] The mechanism in the housing 14 and the pump body 27 can be made of corrosion-resistant metal to avoid the internal structure being affected by the spraying of corrosive water.

[0056] An air intake pipe 2 is embedded and fixed on the front end surface of the box body 4. The air intake pipe 2 is in gas communication with the box body 4, and a fan 3 is arranged in the air intake pipe 2. By turning on the fan 3, air can be taken into the box body 4 through the air intake pipe 2.

[0057] A liquid inlet pipe 6 is embedded and fixed on the top surface of the second box body 7, and the liquid inlet pipe 6 is in liquid communication with the second box body 7. Water that corrodes metals can be injected into the second box body 7 for storage through the liquid inlet pipe 6, and the corrosive water can be acid, alkali, oxidant and complexing agent.

[0058] A connecting pipe 26 is provided on the pump body 27, and one end of the connecting pipe 26 facing away from the pump body 27 is embedded and fixed in the fixed pipe 11. By opening the pump body 27, water that corrodes the metal in the box body 27 can be extracted and injected into the fixed pipe 11 through the connecting pipe 26.

[0059] A connecting tube 25 is embedded and fixed on the rear end face of the box body 4, and the end of the connecting tube 25 facing away from the box body 4 is embedded and fixed in the fixed tube 19. By embedding and fixing the end of the connecting tube 25 facing away from the box body 4 in the fixed tube 19, the heated gas entering the box body 4 is injected into the fixed tube 19 through the connecting tube 25.

[0060] Based on Example 2: When personnel are testing screws and nuts, in order to simulate long-term use on a sewing machine and different use environments, personnel can extract water that corrodes the metal in box body 27 through connecting pipe 26 by opening the pump body 27, and inject it into the fixed pipe 11, and the end of the connecting pipe 25 that is away from the box body 4 is embedded and fixed in the fixed pipe 19, so that the gas that enters the box body 4 and is heated by the electric heating wire 28 is injected into the fixed pipe 19 through the connecting pipe 25, and the water that enters the fixed pipe 11 can be sprayed out through the nozzle 12, and the gas that enters the fixed pipe 19 can be discharged through the outlet pipe 20, so that the screws and nuts are sprayed with corrosive liquid and heated by high-temperature gas on the receiving plate 21, and then the state of being affected by ambient temperature and rusted after long-term use is simulated by the spraying of corrosive liquid and heating by high-temperature gas, and after the simulation, the torque sensor 5 is moved down and contacted for detection, so as to meet the quality inspection.

[0061] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A screw and nut quality detector, comprising a base (1), a box body (4), a mounting panel (9), a housing (14) and a connecting plate (18), characterized in that: The top surface of the base (1) is provided with a box body 1 (4) and a box body 2 (7); A second driving mechanism (22) is installed on the bottom end surface of the installation panel (9), and a vibration motor (23) is arranged on the output shaft of the second driving mechanism (22) via a rotating shaft (10); The vibration motor (23) is provided with a holding plate (21); The first box (4) is fitted with a heating wire (28), and the second box (7) is fitted with a pump body (27); A control panel (24) is fitted on the rear end surface of the installation panel (9); A hydraulic rod (15) and a guide rod 1 (16) are installed on the top surface of the shell (14), and the shell (14) is installed on the installation panel (9). A fixed pipe 1 (11) and a fixed pipe 2 (19) are installed in the shell (14); A connecting plate (18) is provided on the output shaft of the hydraulic rod (15); A driving mechanism 1 (13) is installed on the bottom end surface of the connecting plate (18), and a torque sensor (5) is arranged on the output shaft of the driving mechanism 1 (13).

2. A screw and nut quality detector according to claim 1, characterized in that: A support frame (8) is welded to the bottom end surface of the installation panel (9), and the bottom end surface of the support frame (8) is welded to the base (1).

3. The screw and nut quality detector according to claim 1, characterized in that: An air intake pipe (2) is embedded and fixed on the front end surface of the box body 1 (4), the air intake pipe (2) is in gas communication with the box body 1 (4), and a fan (3) is arranged inside the air intake pipe (2).

4. The screw and nut quality detector according to claim 1, characterized in that: A liquid inlet pipe (6) is embedded and fixed on the top surface of the second box body (7), and the liquid inlet pipe (6) is in liquid communication with the second box body (7).

5. The screw and nut quality detector according to claim 1, characterized in that: The pump body (27) is provided with a second connecting pipe (26), and one end of the second connecting pipe (26) away from the pump body (27) is embedded and fixed in the first fixing pipe (11).

6. The screw and nut quality detector according to claim 1, characterized in that: A connecting pipe (25) is embedded and fixed in the rear end surface of the box body (4), and an end of the connecting pipe (25) facing away from the box body (4) is embedded and fixed in the fixing pipe (19).

7. The screw and nut quality detector according to claim 1, characterized in that: A second guide rod (17) is welded to the top end surface of the connecting plate (18), and the second guide rod (17) is sleeved in the first guide rod (16).

8. The screw and nut quality detector according to claim 1, characterized in that: A nozzle (12) is installed on the inner wall of the fixed pipe 1 (11), and an air outlet pipe (20) is arranged inside the fixed pipe 2 (19).

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