Vacuum tank sealing structure with high sealing performance

Abstract

The utility model relates to the technical field of filling and sealing, in particular to a vacuum tank sealing structure with high sealing performance. The device comprises a vacuum tank box body, a mold mounting groove formed in the vacuum tank box body, and a magnetic coupling adjusting assembly rotationally arranged in the vacuum tank box body, the magnetic coupling adjusting assembly comprises a rotating shaft, a rotary knob, a first strong permanent magnet, a cup holder and supports, wherein the rotary knob is arranged on the outer side of the vacuum tube box body and arranged at one end of the rotating shaft, the first strong permanent magnet is arranged in the vacuum tank box body and arranged on the rotating shaft in a sleeving mode, the cup holder is arranged on the rotating shaft and rotates along with rotation of the rotating shaft, and the supports are arranged on the two sides of the cup holder. A second strong permanent magnet is arranged in the knob, and the magnetic poles of the second strong permanent magnet and the first strong permanent magnet are opposite. The vacuum box has the beneficial effects that the operation of pouring liquid in the vacuum box in a non-contact and non-mechanical connection manner is realized through a magnetic coupling mode, and the problem of poor sealing performance is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of potting, in particular to a vacuum can sealing box structure with high sealing performance. Background Art

[0002] In the prior art vacuum filling box, the filling liquid cup holder in the vacuum chamber needs to be mechanically connected to the outside of the box to realize the action of pouring liquid. The mechanical connection between the inside and outside of the box in the prior art causes the disadvantage of poor sealing of the vacuum box.

[0003] Therefore, it is necessary to design a highly airtight vacuum tank sealing structure to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a vacuum tank sealing structure with high sealing performance to overcome the above-mentioned shortcomings of the current prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A highly airtight vacuum tank sealing structure, comprising a vacuum tank body, a mold mounting groove disposed on one side of the vacuum tank body, and characterized in that it also comprises a magnetic coupling adjustment component disposed above the mold mounting groove and rotatably disposed in the vacuum tank body, the magnetic coupling adjustment component comprising a rotating shaft rotatably disposed in the vacuum tank body, a knob disposed on the outside of the vacuum tank body and disposed on one end of the rotating shaft, a first strong permanent magnet disposed in the vacuum tank body and sleeved on the rotating shaft, a cup holder disposed on the rotating shaft and rotating with the rotation of the rotating shaft, and brackets disposed on the left and right sides of the cup holder and used to cooperate with the rotating shaft for installation, a second strong permanent magnet is disposed inside the knob, and the second strong permanent magnet corresponds to the first strong permanent magnet, and the second strong permanent magnet has opposite magnetic poles to the first strong permanent magnet.

[0007] Preferably, a direction indicating protruding end is also provided on the knob.

[0008] Preferably, a limit pin is also provided in the knob.

[0009] Preferably, one end of the bracket is installed inside the vacuum tank body, and the rotating shaft is limited by the bracket.

[0010] Preferably, the end of the rotating shaft is installed in cooperation with the vacuum tank body through a bearing.

[0011] Preferably, an exhaust valve port and an air inlet valve port are installed on the side of the vacuum tank body.

[0012] Preferably, the outer body of the vacuum tank is connected to a box cover via a hinge, a lock is provided on the side opposite to the hinge, and a sealing ring is provided between the box cover and the vacuum tank box.

[0013] The beneficial effect of the utility model is that the technical solution realizes the operation of pouring liquid in the vacuum box without contact and mechanical connection by setting the magnetic coupling mode, thereby avoiding the problem of poor sealing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of a highly airtight vacuum tank sealing structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of a vacuum tank sealing structure with high sealing performance according to the utility model;

[0016] In the figure: 1. Vacuum tank body; 2. Mold mounting slot; 3. Magnetic coupling adjustment assembly; 31. Rotating shaft; 32. Knob; 33. First strong permanent magnet; 34. Cup holder; 35. Bracket; 4. Exhaust valve port; 5. Inlet valve port; 6. Upper cover of the box body. DETAILED DESCRIPTION

[0017] 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.

[0018] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0019] Reference Figure 1 to Figure 2 A highly airtight vacuum tank sealing structure comprises a vacuum tank body 1, a mold mounting groove 2 disposed on one side of the vacuum tank body, and a magnetic coupling adjustment component 3 disposed above the mold mounting groove and rotatably disposed in the vacuum tank body;

[0020] The vacuum tank body is made of a transparent acrylic plate, and can also be made of transparent, non-metallic, non-magnetic, and non-conductive materials such as PP+glass fiber injection molding or high-strength glass.

[0021] The magnetic coupling adjustment assembly 3 includes a rotating shaft 31 rotatably disposed in the vacuum tank housing, a knob 32 disposed outside the vacuum tank housing and disposed at one end of the rotating shaft, a first strong permanent magnet 33 disposed inside the vacuum tank housing and sleeved on the rotating shaft, a cup holder 34 disposed on the rotating shaft and rotating with the rotation of the rotating shaft, and brackets 35 respectively disposed on the left and right sides of the cup holder and used to cooperate with the rotating shaft for installation;

[0022] A second strong permanent magnet is arranged inside the knob, and the second strong permanent magnet is arranged corresponding to the first strong permanent magnet, and the second strong permanent magnet has opposite magnetic poles to the first strong permanent magnet and is parallel to the first strong permanent magnet in the box, thus realizing a contactless magnetic coupling effect of attraction between opposite magnetic poles;

[0023] The knob is also provided with a direction indicating protruding end to indicate the direction of rotation and prevent manual operation errors;

[0024] In order to prevent the knob from rotating excessively and affecting the internal operation, a limit pin is also provided in the knob, and the limit pin is provided at the 1 o'clock direction and the 7 o'clock direction to prevent the knob from rotating excessively;

[0025] One end of the bracket is installed inside the vacuum tank body, and the rotating shaft is limited by the bracket to ensure the balance of the rotating shaft;

[0026] The cup holder is vertically arranged with respect to the rotating shaft, and the cup holder and the first strong permanent magnet are on the same straight line;

[0027] The end of the rotating shaft is installed in cooperation with the vacuum tank body through a bearing;

[0028] An infrared heating lamp and an ultraviolet lamp which are resistant to vacuum, ultraviolet rays and heat and whose irradiation direction is aimed at the potting object, as well as a non-contact infrared temperature measurement and display module are arranged in the vacuum tank box. The infrared lamp, ultraviolet lamp and infrared temperature module are powered by a power supply outside the box through wireless induction to achieve non-contact power supply, so as to heat and accelerate the curing after potting, so as to facilitate ultraviolet curing, and to control the heating temperature.

[0029] An optional timing control system can be installed outside the box to achieve automatic heating curing / UV curing;

[0030] An exhaust valve port 4 and an air inlet valve port 5 are installed on the side of the vacuum tank body, and the valve ports can realize stepless adjustment of the exhaust / inlet rate from 0 to 100% flow rate.

[0031] The vacuum tank body is also connected to a box cover 6 via a hinge. A lock is provided on the side opposite to the hinge, which is manually locked on the box body through the lock to fix the box cover to the vacuum tank body. A sealing ring is provided between the box cover and the vacuum tank body to ensure the overall sealing degree.

[0032] In this embodiment, by manually rotating the knob, due to the magnetic coupling between the internal and external magnets and the principle of attraction between opposite magnetic poles of the two magnets, the internal magnet is driven to rotate, thereby driving the shaft to rotate, thereby realizing the rotation of the entire cup holder;

[0033] The utility model is beneficial in that the technical solution realizes the operation of pouring liquid in a vacuum box without contact and mechanical connection by setting a magnetic coupling method, thereby avoiding the problem of poor sealing.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A highly airtight vacuum tank sealing structure, comprising a vacuum tank body and a mold mounting groove disposed on one side of the vacuum tank body, characterized in that: It also includes a magnetic coupling adjustment component placed above the mold mounting groove and rotatably placed in the vacuum tank body, the magnetic coupling adjustment component includes a rotating shaft rotatably placed in the vacuum tank body, a knob arranged on the outside of the vacuum tank body and placed on one end of the rotating shaft, a first strong permanent magnet placed in the vacuum tank body and sleeved on the rotating shaft, a cup holder arranged on the rotating shaft and rotating as the rotating shaft rotates, and brackets respectively arranged on the left and right sides of the cup holder and used to cooperate with the rotating shaft for installation, a second strong permanent magnet is arranged inside the knob, and the second strong permanent magnet corresponds to the first strong permanent magnet, and the second strong permanent magnet has opposite magnetic poles to the first strong permanent magnet.

2. A highly airtight vacuum tank sealing structure according to claim 1, characterized in that: The knob is also provided with a direction indicating protruding end.

3. The high-tightness vacuum tank sealing structure according to claim 1, characterized in that: A limit pin is also arranged in the knob.

4. The high-tightness vacuum tank sealing structure according to claim 1, characterized in that: One end of the bracket is installed inside the vacuum tank body, and the rotating shaft is limited by the bracket.

5. The high-tightness vacuum tank sealing structure according to claim 1, characterized in that: The end of the rotating shaft is installed by matching the vacuum tank body through a bearing.

6. The high-tightness vacuum tank sealing structure according to claim 1, characterized in that: An air extraction valve port and an air intake valve port are installed on the side of the vacuum tank box.

7. The high-tightness vacuum tank sealing structure according to claim 1, characterized in that: The outer body of the vacuum tank is also connected to a box cover via a hinge, a lock is also provided on the side opposite to the hinge, and a sealing ring is provided between the box cover and the vacuum tank box.

Images