Solenoid valve coil rubber coating device

By combining the tape wrapping mechanism and the limiting roller, and utilizing the stepper motor and the cutting mechanism, the problem of tape tip misalignment on the coil was solved, achieving a stable tape wrapping effect.

CN224096546UActive Publication Date: 2026-04-07ZHEJIANG AOLIDE COIL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

In existing electromagnetic coil coating devices, the tape tip is prone to shifting or failing to adhere successfully when pasted onto the coil.

Method used

By employing a coating mechanism and a limiting roller, along with the coordinated operation of a stepper motor and a cutting mechanism, the tape head is accurately adhered to and wound onto the coil. A pressure roller is used to keep the tape taut and prevent deviation.

Benefits of technology

This allows for accurate application and wrapping of the tape tip onto the coil, preventing positional shifts and improving the stability and efficiency of the wrapping process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a solenoid valve coil rubber coating device, which relates to the technical field of coil rubber coating machines, and comprises a bottom plate, a first support plate, a rubber coating mechanism, a second support plate, a cutting mechanism, a discharging mechanism and a limiting roller, the rubber coating mechanism comprises a first supporting frame, a first stepping motor, a supporting lantern ring, two second stepping motors and a coil, the first stepping motor is arranged on the first supporting frame, an output shaft of the first stepping motor is sleeved with the supporting lantern ring, and the two second stepping motors are arranged at the two ends of the supporting lantern ring correspondingly; the coil is arranged on an output shaft of the second stepping motor in a sleeving mode, the cutting mechanism and the discharging mechanism are both arranged on the second supporting plate, and the limiting roller is rotationally connected to the second supporting plate. According to the utility model, the adhesive tape is automatically attached to the coil to be encapsulated through the cooperation of the encapsulating mechanism and the limiting roller, so that the adhesive tape head is prevented from deviating when being attached to the coil.
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Description

Technical Field

[0001] This application relates to the field of coil coating machine technology, and in particular to a coil coating device for a solenoid valve. Background Technology

[0002] Solenoid valves are electromagnetically controlled industrial devices and are basic automated components used to control fluids. They are actuators, not limited to hydraulic or pneumatic systems, and are used in industrial control systems to adjust the direction, flow rate, speed, and other parameters of the medium. The solenoid valve coil is one of the main components of a solenoid valve. During the production of solenoid valve coils, several layers of insulating tape need to be wrapped around the outside of the coil, thus requiring the use of a coil wrapping device.

[0003] Currently, Chinese utility model patent application CN218071254U, published on December 16, 2022, discloses an automatic coating device for electromagnetic coils. The device includes a housing, a glue roller on the front, and a mounting frame fixedly mounted on the back. A motor is fixedly mounted on the inner surface of the mounting frame, and the motor's output shaft is fixedly connected to a rotating shaft. This utility model achieves this by connecting the inner hole to the side hole and fixing the mounting frame to the end face of the fixed base. A first telescopic rod is fixedly mounted on the inner surface of the mounting frame, and the end face of the first telescopic rod is fixedly connected to a movable plug. When clamping the electromagnetic coil, the first telescopic rod is activated, pushing the pressure oil in the inner hole to move, thereby pushing the movable plates on both sides. The clamping plates are simultaneously pushed out from both sides inside the coil, achieving internal clamping and fixing, improving the stability of the actual fixing, preventing displacement, and effectively avoiding interference and influence on the external coating operation.

[0004] In one related technology, an automatic coating device for electromagnetic coils has a problem where, after the tape is cut by the cutting blade, the tape end hangs down naturally. The hanging tape curls up due to its own curling force. When the push plate pushes the tape end to stick to the coil to be coated, the tape end may shift in position or fail to stick to the coil successfully. Utility Model Content

[0005] This application provides a device for coating a solenoid valve coil, which can improve the technical problem in the related art where the tape head may be misaligned or fail to be successfully adhered to the coil when the device automatically sticks the tape head to the coil to be coated.

[0006] This application provides a solenoid valve coil coating device, including a base plate, a first support plate, a coating mechanism, a second support plate, a cutting mechanism, a feeding mechanism, and a limiting roller. The first and second support plates are both mounted on the base plate. The coating mechanism includes a first support frame, a first stepper motor, a support collar, a second stepper motor, and a coil. The first support frame is mounted on the first support plate, the first stepper motor is mounted on the first support frame, the support collar is sleeved on the output shaft of the first stepper motor, there are two second stepper motors respectively mounted at both ends of the support collar, and the coil is sleeved on the output shaft of the second stepper motor. The cutting mechanism and the feeding mechanism are both mounted on the second support plate, and the limiting roller is rotatably connected to the second support plate.

[0007] The technical solution described above in this application embodiment has at least the following technical effects: Before the device is in operation, the operator can take the tape head from the feeding mechanism and wrap the tape around the bottom of the limiting roller, then stick the tape head to the top coil. Then the device is started, and the second stepper motor at the top rotates to wrap the tape around the coil. Then the first stepper motor rotates to stick the tape between the top coil and the limiting roller to the bottom coil. At this time, the tape is taut, which can prevent the tape from shifting position when it is stuck to the bottom coil. Then the cutting mechanism cuts the tape, and the second stepper motor at the top rotates to wrap the remaining tape around the coil. Then the first stepper motor rotates to move the coated coil to the bottom and the uncoated coil to the top. The operator can remove the bottom coil and install a new coil, and then repeat the above process to continuously complete the coating operation.

[0008] The solenoid valve coil coating device provided in this application embodiment can automatically attach the tape to the coil to be coated by the cooperation of the coating mechanism and the limiting roller, so as to avoid the tape head shifting when it is attached to the coil.

[0009] In some embodiments, the cutting mechanism includes an electric pusher cylinder and a cutting blade, the electric pusher cylinder being disposed on a second support plate and the cutting blade being disposed on the output shaft of the electric pusher cylinder.

[0010] In some embodiments, the feeding mechanism includes a rotating shaft and a tape roll, and the second support plate has an installation port. Both ends of the rotating shaft are rotatably connected to the installation port, and the tape roll is sleeved on the rotating shaft.

[0011] In some embodiments, the first support plate is further provided with a pressing mechanism. There are two pressing mechanisms. Each pressing mechanism includes a second support frame, an adjustment component, a wheel frame, and a pressing wheel. The second support frame is disposed on the first support plate. The adjustment component is disposed on the second support frame. The wheel frame is disposed on the adjustment component. The pressing wheel is rotatably connected to the wheel frame. The outer circumferential surface of the pressing wheel abuts against the coil. The adjustment component is used to automatically adjust the height of the wheel frame.

[0012] In some embodiments, the adjustment assembly includes a housing, a spring, a slider, and a drive shaft. The housing is mounted on a second support frame and has a spring groove. The slider is slidably connected inside the spring groove. One end of the spring abuts against the slider, and the other end of the spring abuts against the housing. One end of the drive shaft passes through the housing and is fixedly connected to the slider. The wheel frame is mounted on the end of the drive shaft away from the slider.

[0013] In some embodiments, a storage basket is provided on the base plate. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 A schematic diagram of the overall structure of a solenoid valve coil coating device provided in this application embodiment. Figure 1 ;

[0016] Figure 2 for Figure 1 Enlarged view of part A;

[0017] Figure 3 for Figure 1 Enlarged view of part B;

[0018] Figure 4 A schematic diagram of the overall structure of a solenoid valve coil coating device provided in this application embodiment. Figure 2 ;

[0019] Figure 5 This is a schematic diagram of the overall structure of the adjustment mechanism, wheel frame, and pressure roller.

[0020] The following are the labeling elements in the figure:

[0021] 1. Base plate; 11. Storage basket; 2. First support plate; 31. First stepper motor; 32. Support collar; 33. Second stepper motor; 34. Coil; 35. First support frame; 4. Second support plate; 41. Mounting port; 51. Electric push cylinder; 52. Cutting blade; 6. Feeding mechanism; 61. Rotating shaft; 62. Tape roll; 7. Limiting roller; 81. Second support frame; 82. Adjustment component; 821. Housing; 8211. Spring groove; 822. Spring; 823. Slider; 824. Drive shaft; 83. Wheel frame; 84. Pressure roller. Detailed Implementation

[0022] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application. The terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0024] To address the issue that the tape head may shift or fail to adhere successfully to the coil when automatically attaching it to the coil to be coated in related technologies, this application provides the following solution.

[0025] Please refer to the following: Figures 1 to 5 This application provides a solenoid valve coil coating device, including a base plate 1, a first support plate 2, a coating mechanism, a second support plate 4, a cutting mechanism, a feeding mechanism 6, and a limiting roller 7.

[0026] Please refer to the following: Figures 1 to 5The first support plate 2 and the second support plate 4 are both mounted on the base plate 1. The adhesive coating mechanism includes a first support frame, a first stepper motor 31, a support collar 32, a second stepper motor 33, and a coil 34. The first support frame is mounted on the first support plate 2, the first stepper motor 31 is mounted on the first support frame, the support collar 32 is sleeved on the output shaft of the first stepper motor 31, there are two second stepper motors 33 respectively mounted at both ends of the support collar 32, and the coil 34 is sleeved on the output shaft of the second stepper motor 33. The limiting roller 7 is rotatably connected to the second support plate 4. The cutting mechanism includes an electric push cylinder 51 and a cutting blade 52. The electric push cylinder 51 is mounted on the second support plate 4, and the cutting blade 52 is mounted on the output shaft of the electric push cylinder 51. The feeding mechanism 6 includes a rotating shaft 61 and a tape roll 62. The second support plate 4 has an installation port 41, and both ends of the rotating shaft 61 are rotatably connected to the installation port 41. The tape roll 62 is sleeved on the rotating shaft 61. The first support plate 2 is also equipped with a pressing mechanism, which consists of two parts. Each pressing mechanism includes a second support frame 81, an adjusting component 82, a wheel frame 83, and a pressure roller 84. The second support frame 81 is mounted on the first support plate 2. The adjusting component 82 includes a housing 821, a spring 822, a slider 823, and a transmission shaft 824. The housing 821 is mounted on the second support frame 81 and has a spring groove 8211. The slider 823 is slidably connected inside the spring groove 8211. One end of the spring 822 abuts against the slider 823, and the other end abuts against the housing 821. One end of the transmission shaft 824 passes through the housing 821 and is fixedly connected to the slider 823. The wheel frame 83 is mounted on the end of the transmission shaft 824 away from the slider 823. The pressure roller 84 is rotatably connected to the wheel frame 83, and its outer circumferential surface abuts against the coil 34.

[0027] As can be seen from the above, the solenoid valve coil coating device provided in this application embodiment allows the operator to remove the tape head from the tape roll 62 before operation and wrap the tape around the bottom of the limiting roller 7 so that the uncoated side of the tape abuts against the limiting roller 7. Then, the wheel frame 83 and pressure roller 84 are lifted. The wheel frame 83 pushes the slider 823 upward through the transmission shaft 824 inside the spring groove 8211, compressing the spring 822. The tape head is then pasted onto the coil 34 located at the top. Finally, the wheel frame 83 is released, and the spring 822 is released through the slider 8211. 23 and drive shaft 824 push wheel frame 83 and pressure roller 84 downward, so that pressure roller 84 presses the tape head onto coil 34. Then the device is started, and the second stepper motor 33 located at the top rotates to wind the tape onto coil 34. Pressure roller 84 can continuously press the tape onto coil 34 to prevent the tape from sticking out. The tape pulls tape roll 62 and rotating shaft 61 to rotate. The tape maintains a certain tilt angle under the restriction of limit roller 7. After coil 34 is wound with tape several times, the output shaft of the first stepper motor 31 drives the support collar 32 to rotate. The support ring 32 then drives the second stepper motor 33 and the coil 34 to rotate around the output shaft of the first stepper motor 31, thereby lowering the height of the top coil 34 and raising the height of the bottom coil 34. After rotating a certain angle, the tape between the top coil 34 and the limiting roller 7 touches and adheres to the bottom coil 34. At this time, the tape is taut, which can prevent the tape from shifting position when it is attached to the bottom coil 34. Then, the electric push cylinder 51 pushes the cutting blade 52 to move and cut the tape at a preset appropriate position. At this time, the top coil... Coil 34 comes into contact with the pressure roller 84 on another pressing mechanism. The second stepper motor 33 at the top rotates again to wrap the remaining tape around the top coil 34. Then the first stepper motor 31 rotates to move the coated coil 34 to the bottom and the uncoated coil 34 to the top. At the same time, the uncoated coil 34 pulls the tape adhering to its surface to the top. Then the worker can remove the coated coil 34 at the bottom and install a new coil 34 to be coated. Then the above process is repeated to continuously complete the coating operation.

[0028] In some embodiments, please refer to Figure 1 A storage basket 11 is provided on the base plate 1.

[0029] With this setup, staff can temporarily place the coated coils 34 into the storage basket 11 for easy access to subsequent work.

[0030] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A device for coating a solenoid valve coil, characterized in that: The system includes a base plate (1), a first support plate (2), a coating mechanism, a second support plate (4), a cutting mechanism, a feeding mechanism (6), and a limiting roller (7). The first support plate (2) and the second support plate (4) are both mounted on the base plate (1). The coating mechanism includes a first support frame (35), a first stepper motor (31), a support collar (32), a second stepper motor (33), and a coil (34). The first support frame (35) is mounted on the first support plate (2). The first stepper motor (31) is mounted on the first support frame (35). The support collar (32) is mounted on the output shaft of the first stepper motor (31). There are two second stepper motors (33), which are respectively mounted on both ends of the support collar (32). The coil (34) is mounted on the output shaft of the second stepper motor (33). The cutting mechanism and the feeding mechanism (6) are both mounted on the second support plate (4). The limiting roller (7) is rotatably connected to the second support plate (4).

2. The solenoid valve coil coating device according to claim 1, characterized in that: The cutting mechanism includes an electric push cylinder (51) and a cutting blade (52). The electric push cylinder (51) is mounted on the second support plate (4), and the cutting blade (52) is mounted on the output shaft of the electric push cylinder (51).

3. The solenoid valve coil coating device according to claim 1, characterized in that: The feeding mechanism (6) includes a rotating shaft (61) and a tape roll (62). The second support plate (4) has an installation port (41). Both ends of the rotating shaft (61) are rotatably connected inside the installation port (41). The tape roll (62) is sleeved on the rotating shaft (61).

4. A solenoid valve coil coating device according to any one of claims 1-3, characterized in that: The first support plate (2) is also provided with a pressing mechanism. There are two pressing mechanisms. The pressing mechanism includes a second support frame (81), an adjustment component (82), a wheel frame (83), and a pressure roller (84). The second support frame (81) is provided on the first support plate (2). The adjustment component (82) is provided on the second support frame (81). The wheel frame (83) is provided on the adjustment component (82). The pressure roller (84) is rotatably connected to the wheel frame (83). The outer circumferential surface of the pressure roller (84) abuts against the coil (34). The adjustment component (82) is used to automatically adjust the height of the wheel frame (83).

5. The solenoid valve coil coating device according to claim 4, characterized in that: The adjustment assembly (82) includes a housing (821), a spring (822), a slider (823), and a drive shaft (824). The housing (821) is mounted on a second support frame (81). A spring groove (8211) is provided on the housing (821). The slider (823) is slidably connected inside the spring groove (8211). One end of the spring (822) abuts against the slider (823), and the other end of the spring (822) abuts against the housing (821). One end of the drive shaft (824) passes through the housing (821) and is fixedly connected to the slider (823). The wheel frame (83) is mounted on the end of the drive shaft (824) away from the slider (823).

6. The solenoid valve coil coating device according to claim 5, characterized in that: A storage basket (11) is provided on the base plate (1).

Citation Information

Patent Citations

  • Automatic rubber coating device for electromagnetic coil

    CN218071254U