Full-automatic valve screwing machine

By designing a fully automatic valve screwing machine, the coordinated function of positioning cylinders, servo motors, rotating jackets, clamping devices and drive devices is used to realize automatic tightening of fire extinguisher valves, solving the problems of high labor intensity, low efficiency and poor product consistency in the traditional process, and improving processing efficiency and product quality.

CN222950538UActive Publication Date: 2025-06-06GUANGDONG JOYAN FIRE FIGHTING TECH CO LTD
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Patent Information

Application Number
CN202421704462.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-18
Publication Date
2025-06-06
Estimated Expiration
2034-07-18

AI Technical Summary

Technical Problem

During the tightening of traditional fire extinguisher valves, workers have high labor intensity, low efficiency, and poor product consistency, which affects product quality.

Method used

A fully automatic valve screwing machine is designed, including positioning cylinders, servo motors, rotating jackets, clamping devices and drive devices. Through the synergy of these components, the automatic tightening of the fire extinguisher valve is achieved.

Benefits of technology

The automatic tightening of the fire extinguisher valve is realized, which reduces the labor intensity of workers, improves processing efficiency and improves the processing quality of products.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fire extinguisher processing, in particular to a full-automatic valve screwing machine. Comprising a rack and an auxiliary mechanism, the auxiliary mechanism comprises a positioning air cylinder, a positioning sleeve, a mounting plate, a servo motor, a rotary clamping sleeve, a clamping device and a driving device, the positioning air cylinder acts to push out the positioning sleeve, a fire extinguisher is transferred to a rack workbench through a part conveying robot, and during part conveying, a matching part at a valve at the top of the fire extinguisher is firstly clamped into a U-shaped cavity of the positioning sleeve; the clamping device acts for clamping, the positioning air cylinder resets, the driving device acts to push the mounting plate to move downwards, the rotating clamping sleeve is clamped into the valve from the position above the valve, then the servo motor acts to drive the rotating clamping sleeve to rotate, tightening is achieved, the control system conducts stop control by controlling counting of the number of rotation turns of the servo motor, and the uniformity during tightening is achieved. Therefore, when the fire extinguisher valve is tightened, automatic tightening can be achieved, the labor intensity of workers is reduced, the machining efficiency is improved, and the machining quality of products is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of fire extinguisher processing, in particular to a full-automatic valve tightening machine. Background Art

[0002] A fire extinguisher is a fire-fighting auxiliary equipment. At present, fire extinguishers have become an indispensable infrastructure in life. During the processing of fire extinguishers, there is a processing step that requires the pressure valve of the fire extinguisher to be tightened and sealed to achieve internal protection.

[0003] Traditionally, fire extinguisher valves are tightened by operators manually using wrenches, which is labor-intensive and inefficient. In addition, valves are often not tightened properly, resulting in poor product consistency and affecting product quality. Utility Model Content

[0004] The purpose of the utility model is to provide a fully automatic valve tightening machine, which can realize automatic tightening when tightening the fire extinguisher valve, reduce the labor intensity of workers, improve processing efficiency, and enhance product processing quality.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: the utility model provides a fully automatic valve tightening machine, including a frame and an auxiliary mechanism;

[0006] The auxiliary mechanism includes a positioning cylinder, a positioning sleeve, a mounting plate, a servo motor, a rotating sleeve, a clamping device and a driving device. The positioning cylinder is fixedly connected to the frame and symmetrically arranged on the frame. The positioning sleeve is connected to the output end of the positioning cylinder and is located on the output end of the positioning cylinder. The mounting plate is located above the workbench of the frame. The servo motor is fixedly connected to the mounting plate and is located on the mounting plate. The rotating sleeve is fixedly connected to the output shaft of the servo motor and is located on the output shaft of the servo motor. The clamping device is arranged on both sides of the workbench of the frame, and the driving device is arranged on the side of the frame close to the mounting plate.

[0007] Wherein, the clamping device comprises a support plate and an action component, wherein the support plate is fixedly connected to the frame and is located on both sides of the workbench of the frame; and the action component is arranged on one side of the support plate.

[0008] Among them, the action component includes a clamping cylinder and a clamping plate, the clamping cylinder is fixedly connected to the support plate and is located on the support plate; the clamping plate is connected to the output end of the clamping cylinder, and is slidably connected to the support plate, and is located on the output end of the clamping cylinder.

[0009] Wherein, the driving device includes a driving cylinder and a guide rod, the driving cylinder is fixedly connected to the frame, the output end of the driving cylinder is connected to the mounting plate and is located on the top of the frame; the guide rod is fixedly connected to the mounting plate and slidably connected to the frame, and is located on the side of the mounting plate close to the frame.

[0010] Wherein, the auxiliary mechanism also includes a spare parts box and a protection door. The spare parts box is fixedly connected to the frame and hoisted under the workbench of the frame; the protection door is rotatably connected to the spare parts box and is located at the front side of the spare parts box.

[0011] The utility model discloses a fully automatic valve tightening machine, wherein the positioning cylinder is symmetrically mounted on a frame, the positioning sleeve is mounted on the output end of the positioning cylinder and has a U-shaped cavity, the servo motor is mounted on a mounting plate and has an encoder, the rotating sleeve is mounted on the output shaft of the servo motor and has a U-shaped cavity, the clamping device is arranged on both sides of a working table of the frame, and the driving device is arranged on a side of the frame close to the mounting plate. During processing, the positioning cylinder is first actuated to push out the positioning sleeve, and then an external delivery robot clamps and transfers the fire extinguisher to the working table of the frame. During delivery, the matching part at the valve on the top of the fire extinguisher needs to be first inserted into the U-shaped cavity of the positioning sleeve, and then the clamping device is actuated to clamp, the positioning cylinder is reset, and the driving device is actuated to push the mounting plate downward, so that the rotating sleeve is clamped from above the valve, and then the servo motor is actuated to drive the rotating sleeve to rotate, so as to realize valve tightening, and the control system stops by controlling the number of rotations of the servo motor to count, so as to realize average tightening and ensure tightening quality, thereby realizing automatic tightening during the tightening process of the fire extinguisher valve, reducing the labor intensity of workers, improving processing efficiency, and improving product processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention can be further described by the non-limiting embodiments given in the accompanying drawings.

[0013] Figure 1 It is a schematic diagram of the overall structure of the fully automatic valve tightening machine according to the first embodiment of the utility model.

[0014] Figure 2 It is a schematic structural diagram of a clamping plate according to the first embodiment of the utility model.

[0015] Figure 3 It is a schematic diagram of the overall structure of the fully automatic valve tightening machine according to the second embodiment of the utility model.

[0016] In the figure: 101-frame, 102-positioning cylinder, 103-positioning sleeve, 104-mounting plate, 105-servo motor, 106-rotating clamping sleeve, 107-support plate, 108-clamping cylinder, 109-clamping plate, 110-driving cylinder, 111-guide rod, 201-spare parts box, 202-protective door. DETAILED DESCRIPTION

[0017] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Embodiment 1:

[0019] like Figure 1 and Figure 2 As shown, Figure 1 This is the overall structure diagram of the fully automatic valve tightening machine. Figure 2 It is a structural schematic diagram of the clamping plate 109. The utility model provides a fully automatic valve tightening machine: including a frame 101 and an auxiliary mechanism, the auxiliary mechanism includes a positioning cylinder 102, a positioning sleeve 103, a mounting plate 104, a servo motor 105, a rotating clamping sleeve 106, a clamping device and a driving device, the clamping device includes a support plate 107 and an action component, the action component includes a clamping cylinder 108 and a clamping plate 109, and the driving device includes a driving cylinder 110 and a guide rod 111. Through the above scheme, it can be realized that when tightening the fire extinguisher valve, automatic tightening can be achieved, the labor intensity of workers can be reduced, the processing efficiency can be improved, and the processing quality of the product can be improved. It can be understood that the above scheme can achieve automatic tightening when tightening the fire extinguisher valve, reduce the labor intensity of workers, and improve processing efficiency and processing quality.

[0020] In this embodiment, the frame 101 is used to support the installation of equipment working components.

[0021] Among them, the positioning cylinder 102 is fixedly connected to the frame 101 and is symmetrically arranged on the frame 101, the positioning sleeve 103 is connected to the output end of the positioning cylinder 102 and is located on the output end of the positioning cylinder 102, the mounting plate 104 is located above the workbench of the frame 101, the servo motor 105 is fixedly connected to the mounting plate 104 and is located on the mounting plate 104, the rotating sleeve 106 is fixedly connected to the output shaft of the servo motor 105 and is located on the output shaft of the servo motor 105, the clamping device is arranged on both sides of the workbench of the frame 101, and the driving device is arranged on the side of the frame 101 close to the mounting plate 104. The positioning cylinder 102 is symmetrically mounted on the frame 101 by bolts, the positioning sleeve 103 is mounted on the output end of the positioning cylinder 102 by bolts, and has a U-shaped cavity. The servo motor 105 is mounted on the mounting plate 104 by bolts. The servo motor 105 is provided with an encoder to facilitate the zero position control of the rotating jacket 106. At the same time, the servo motor 105 is provided with a brake mechanism to facilitate rapid brake stop when stopping to avoid excessive rotation during tightening. The connecting shaft of the rotating jacket 106 is connected to the output shaft of the servo motor 105 by a rigid coupling. The rotating jacket 106 has a U-shaped cavity. When the rotating jacket 106 rotates, when the valve is fully tightened, it will not be completely separated from the state of being clamped on the valve, which is conducive to stable tightening. The clamping device is arranged on both sides of the workbench of the frame 101, and is used for clamping and fixing the bottle body below the fire extinguisher. The driving device is arranged on the side of the frame 101 close to the mounting plate 104, and is used to drive the rotating jacket 106 downward.

[0022] Secondly, the support plate 107 is fixedly connected to the frame 101 and is located on both sides of the workbench of the frame 101; the action component is arranged on one side of the support plate 107. The support plate 107 is installed on the workbench of the frame 101 by means of positioning pins and bolts, the positioning pins and bolts are arranged from bottom to top, and the action component is arranged on one side of the support plate 107 to achieve the clamping and fixing of the bottle body below the fire extinguisher.

[0023] Then, the clamping cylinder 108 is fixedly connected to the support plate 107 and is located on the support plate 107; the clamping plate 109 is connected to the output end of the clamping cylinder 108, is slidably connected to the support plate 107, and is located on the output end of the clamping cylinder 108. The clamping cylinder 108 is mounted on the support plate 107 by bolts, and the clamping plate 109 is connected to the output end of the clamping cylinder 108 by bolts, and the bolts are mounted with stepped hole countersunk heads, and the round rod under the clamping plate 109 can be slidably matched with the linear sliding bearing installed in the matching hole on the support plate 107.

[0024] Finally, the driving cylinder 110 is fixedly connected to the frame 101, and the output end of the driving cylinder 110 is connected to the mounting plate 104 and is located at the top of the frame 101; the guide rod 111 is fixedly connected to the mounting plate 104, and is slidably connected to the frame 101, and is located on the side of the mounting plate 104 close to the frame 101. The driving cylinder 110 is mounted on the frame 101 by bolts, and its output end is connected to the mounting plate 104 by bolts, and the guide rod 111 is connected to the mounting plate 104 by bolts, and the upper optical axis end can be slidably matched with the linear sliding bearing installed in the matching hole on the frame 101.

[0025] When the utility model is used to tighten the valve of a fire extinguisher, automatic tightening can be achieved, which reduces the labor intensity of workers, improves processing efficiency, and improves product processing quality. During processing, the positioning cylinder 102 is first actuated to push out the positioning sleeve 103, and then the external delivery robot clamps the fire extinguisher and transfers it to the workbench of the frame 101. When delivering the parts, the matching part at the valve on the top of the fire extinguisher needs to be first inserted into the U-shaped cavity of the positioning sleeve 103. The purpose of the insertion is to facilitate setting the zero position of the rotating clamping sleeve 106. Then the clamping cylinder 108 is actuated to push the clamping plate 109 to clamp the bottle body below the fire extinguisher, and further The positioning cylinder 102 is reset, and the driving cylinder 110 is actuated to push the mounting plate 104 downward, so that the rotating sleeve 106 is engaged from above the valve. Then, the servo motor 105 is actuated to drive the rotating sleeve 106 to rotate, and the valve is tightened through the rotation torque of the servo motor 105 and the cooperation of the rotating sleeve 106. The control system stops the control by controlling the number of rotations of the servo motor 105, so as to achieve uniformity during tightening and ensure the tightening quality, thereby realizing automatic tightening during the tightening process of the fire extinguisher valve, reducing the labor intensity of workers, improving processing efficiency, and improving product processing quality.

[0026] Embodiment 2:

[0027] like Figure 3 As shown, Figure 3 20 is a schematic diagram of the overall structure of a fully automatic valve-tightening machine. On the basis of the first embodiment, the utility model provides a fully automatic valve-tightening machine, wherein the auxiliary mechanism further includes a spare parts box 201 and a protective door 202 .

[0028] The spare parts box 201 is fixedly connected to the rack 101 and is hoisted under the workbench of the rack 101; the protection door 202 is rotatably connected to the spare parts box 201 and is located at the front side of the spare parts box 201. The spare parts box 201 is hoisted under the workbench of the rack 101 by bolts, and the protection door 202 is installed on the spare parts box 201 by hinges and is locked by a door lock.

[0029] In this embodiment, the spare parts box 201 can be provided to store commonly used spare parts of the equipment, which is convenient for quick retrieval during repair and maintenance, and the internal spare parts can be protected through the protective door 202.

[0030] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A fully automatic valve tightening machine, comprising a frame, characterized in that: It also includes auxiliary institutions; The auxiliary mechanism includes a positioning cylinder, a positioning sleeve, a mounting plate, a servo motor, a rotating sleeve, a clamping device and a driving device. The positioning cylinder is fixedly connected to the frame and symmetrically arranged on the frame. The positioning sleeve is connected to the output end of the positioning cylinder and is located on the output end of the positioning cylinder. The mounting plate is located above the workbench of the frame. The servo motor is fixedly connected to the mounting plate and is located on the mounting plate. The rotating sleeve is fixedly connected to the output shaft of the servo motor and is located on the output shaft of the servo motor. The clamping device is arranged on both sides of the workbench of the frame, and the driving device is arranged on the side of the frame close to the mounting plate.

2. The fully automatic valve tightening machine according to claim 1, characterized in that: The clamping device comprises a support plate and an action component. The support plate is fixedly connected to the frame and is located on both sides of the workbench of the frame; the action component is arranged on one side of the support plate.

3. The fully automatic valve tightening machine according to claim 2, characterized in that: The action component includes a clamping cylinder and a clamping plate. The clamping cylinder is fixedly connected to the support plate and is located on the support plate; the clamping plate is connected to the output end of the clamping cylinder and is slidably connected to the support plate and is located on the output end of the clamping cylinder.

4. The fully automatic valve tightening machine according to claim 1, characterized in that: The driving device includes a driving cylinder and a guide rod. The driving cylinder is fixedly connected to the frame. The output end of the driving cylinder is connected to the mounting plate and is located on the top of the frame. The guide rod is fixedly connected to the mounting plate and slidably connected to the frame, and is located on the side of the mounting plate close to the frame.

5. The fully automatic valve tightening machine according to claim 1, characterized in that: The auxiliary mechanism also includes a spare parts box and a protection door. The spare parts box is fixedly connected to the frame and hoisted under the workbench of the frame; the protection door is rotatably connected to the spare parts box and is located at the front side of the spare parts box.

Citation Information

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