Nitrogen-protected fixed conveying device

Abstract

The utility model discloses a fixed conveying device with nitrogen protection, which relates to the technical field of nitrogen protection and comprises a conveying shell, a conveying table is arranged on the outer wall of the conveying shell, a box body is placed on the outer wall of the conveying table, and a nitrogen tank is arranged at the top of the conveying shell. When the fixed conveying device with the nitrogen protection structure is used daily, in order to improve the sealing protection effect on the joint part of an air tap and a box body when the air tap is in contact with the box body, when the fixed air tap fixedly connected with a sliding rail rod descends, a connecting rod can be driven to slide along the inner wall of a sliding groove, and meanwhile, the fixed conveying device is prevented from being damaged. The connecting rod is driven to slide along the inner wall of the first limiting groove, the effect of driving the swing rod to rotate conveniently is achieved, the swing rod rotates to drive the protective covers fixedly connected with the limiting rod to slide along the inner wall of the second limiting groove, the effect of centering sliding of the two protective covers is achieved, and the effect of effective linkage sealing of the contact portion of the air tap and the box body is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of nitrogen protection, in particular to a fixed conveying device for nitrogen protection. Background Art

[0002] Nitrogen is chemically inactive and reacts only under high temperature, high pressure or discharge conditions. It is non-toxic and pollution-free, so under normal circumstances, nitrogen can be used as a protective gas for combustion and food.

[0003] For example, announcement number CN 208715916 U discloses a fixed conveying device for nitrogen protection, including a conveying shell, a horizontal hydraulic cylinder is installed at the bottom of the conveying shell, and a clamping seat is connected to the left side of the output end of the horizontal hydraulic cylinder, a longitudinal hydraulic cylinder is clamped in the inner cavity of the clamping seat, and two groups of traction needles are installed on the top of the output end of the longitudinal hydraulic cylinder, and a transmission platform is installed in the inner cavity of the conveying shell, and the transmission platform includes two groups of clamping platforms, and a traction plate is clamped between the two groups of the clamping platforms, and traction holes are evenly opened on the traction plates, and a box body is evenly provided on the top of the transmission platform, and two groups of valve cores are installed on the top of the box body. The utility model performs transmission by setting a traction device, and performs nitrogen protection by setting a nitrogen filling device and a vacuum pumping device, so as to avoid the influence and pollution of residual air in the nitrogen on the protection equipment, increase the concentration of nitrogen and thus improve the protection effect.

[0004] However, although this nitrogen-protected fixed conveying device can perform better protective conveying operations on nitrogen when in use, the sealing protection linkage effect of the contact part between the gas nozzle and the box body is not high when the gas nozzle contacts the box body, which easily causes dust to be raised when the gas nozzle contacts the box body, affecting the purity of gas delivery.

[0005] Therefore, in view of this, the shortcomings of the existing structure are studied and improved, and a fixed conveying device with nitrogen protection is proposed. Utility Model Content

[0006] The purpose of the present invention is to provide a fixed conveying device for nitrogen protection, so as to solve the problem in the above background technology that when the gas nozzle contacts the box body, the sealing protection linkage effect of the contact part between the gas nozzle and the box body is not high.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a fixed conveying device protected by nitrogen, comprising a conveying shell, the outer wall of the conveying shell is provided with a conveying platform, the outer wall of the conveying platform is placed with a box body, the top of the conveying shell is provided with a nitrogen tank, the top of the conveying shell is provided with a vacuum pump located on one side of the nitrogen tank, the top of the conveying shell is fixedly connected with an electric push rod, one end of the electric push rod is fixedly connected to a fixed gas nozzle, the outer wall of the fixed gas nozzle is fixedly connected to a slide rail rod slidably connected to the outer wall of the conveying shell, the outer wall of the slide rail rod is fixedly connected to a connecting rod slidably connected to the outer wall of the conveying shell, the connecting portion of the outer wall of the conveying shell and the connecting rod is provided with a sliding groove, the outer wall of the connecting rod is slidably connected to a swing rod rotatably connected to the inner side wall of the conveying shell, the outer wall of the swing rod is provided with a first limiting groove at the connecting portion of the outer wall of the swing rod and the connecting rod, the outer wall of the swing rod is slidably connected to a protective cover slidably connected to the outer wall of the conveying shell, the outer wall of the swing rod is provided with a second limiting groove at the connecting portion of the outer wall of the swing rod and the protective cover, and the outer wall of the protective cover is fixedly connected to the limiting rod slidably connected to the outer wall of the conveying shell.

[0008] Furthermore, the fixed gas nozzle is connected to the vacuum pump through a connecting pipe, and the fixed gas nozzle is connected to the nitrogen tank through a connecting pipe.

[0009] Furthermore, the connecting rod forms a lifting structure between the fixed air nozzle and the slide rail rod and the slide groove.

[0010] Furthermore, the swing arm forms a rotating structure with the conveying shell through the connecting rod and the first limiting groove, and the positions of the first limiting groove and the second limiting groove are equidistantly distributed about the rotation center of the swing arm.

[0011] Furthermore, the protective cover forms a telescopic structure with the conveying shell through the swing rod and the limit rod.

[0012] Furthermore, the protective covers are provided in two groups, the positions of the two groups of protective covers are distributed symmetrically with respect to the center of the box body, and the box body is provided on the movement track of the protective covers.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The utility model provides a protective cover. When the fixed conveying device with a nitrogen protection structure is used in daily life, in order to improve the sealing and protection effect of the connection part between the gas nozzle and the box body when the gas nozzle is in contact with the box body, when the fixed gas nozzle fixedly connected to the slide rail rod performs a downward movement, it can drive the connecting rod to slide along the inner wall of the slide groove. At the same time, it drives the connecting rod to slide along the inner wall of the first limit groove, so as to achieve the effect of driving the swing rod to rotate conveniently. The rotation of the swing rod drives the protective cover fixedly connected to the limit rod to slide along the inner wall of the second limit groove, so as to achieve the effect of centering the sliding of the two sets of protective covers, thereby playing a role in effectively linking and sealing the contact part between the gas nozzle and the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the conveying device;

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the conveying device in another direction;

[0017] Figure 3 Schematic diagram of the swing rod position distribution structure;

[0018] Figure 4 Schematic diagram of the protective cover position distribution structure.

[0019] In the figure: 1. Conveying shell; 2. Conveying platform; 3. Box body; 4. Nitrogen tank; 5. Vacuum pump; 6. Electric push rod; 7. Fixed air nozzle; 8. Slide rod; 9. Connecting rod; 10. Slide groove; 11. Swing rod; 12. First limit groove; 13. Protective cover; 14. Second limit groove; 15. Limit rod. DETAILED DESCRIPTION

[0020] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Example: Figure 1-Figure 4As shown, a nitrogen-protected fixed conveying device includes a conveying shell 1, a conveying platform 2 is provided on the outer wall of the conveying shell 1, a box body 3 is placed on the outer wall of the conveying platform 2, a nitrogen tank 4 is provided on the top of the conveying shell 1, a vacuum pump 5 located on one side of the nitrogen tank 4 is provided on the top of the conveying shell 1, an electric push rod 6 is fixedly connected to the top of the conveying shell 1, one end of the electric push rod 6 is fixedly connected to a fixed air nozzle 7, the outer wall of the fixed air nozzle 7 is fixedly connected to a slide rail rod 8 that is slidably connected to the outer wall of the conveying shell 1, and the outer wall of the slide rail rod 8 is fixedly connected to a slide rail rod that is slidably connected to the outer wall of the conveying shell 1 A connecting rod 9 is provided, a sliding groove 10 is provided at the connection position between the outer wall of the conveying shell 1 and the connecting rod 9, the outer wall of the connecting rod 9 is slidably connected to a swing rod 11 which is rotatably connected to the inner wall of the conveying shell 1, a first limiting groove 12 is provided at the connection position between the outer wall of the swing rod 11 and the connecting rod 9, the outer wall of the swing rod 11 is slidably connected to a protective cover 13 which is slidably connected to the outer wall of the conveying shell 1, a second limiting groove 14 is provided at the connection position between the outer wall of the swing rod 11 and the protective cover 13, and the outer wall of the protective cover 13 is fixedly connected to a limiting rod 15 which is slidably connected to the outer wall of the conveying shell 1.

[0022] Furthermore, the fixed gas nozzle 7 is connected to the vacuum pump 5 through a connecting pipe, and the fixed gas nozzle 7 is connected to the nitrogen tank 4 through a connecting pipe, which is conducive to connecting the fixed gas nozzle 7 to the vacuum pump 5 through the connecting pipe to achieve the effect of nitrogen protection and transportation of the conveying device.

[0023] Furthermore, the connecting rod 9 forms a lifting structure between the fixed air nozzle 7, the sliding rod 8 and the slide groove 10, which is conducive to the movement of the fixed air nozzle 7 through the connection of the sliding rod 8, driving the connecting rod 9 to slide along the inner wall of the slide groove 10, thereby driving the swing rod 11 to rotate conveniently.

[0024] Furthermore, the swing rod 11 forms a rotating structure with the conveying shell 1 through the connecting rod 9 and the first limiting groove 12. The positions of the first limiting groove 12 and the second limiting groove 14 are equidistantly distributed about the rotation center of the swing rod 11, which is conducive to the connecting rod 9 sliding along the inner wall of the first limiting groove 12, driving the swing rod 11 to rotate conveniently along the inner wall of the conveying shell 1, and driving the protective cover 13 to conveniently telescope.

[0025] Furthermore, the protective cover 13 forms a telescopic structure with the conveying shell 1 through the swing rod 11 and the limit rod 15, which is conducive to the rotation of the swing rod 11. Through the connection of the limit rod 15, the protective cover 13 is driven to perform telescopic movement along the outer wall of the conveying shell 1, thereby playing a role in convenient protection and sealing of the air nozzle docking part.

[0026] Furthermore, two groups of protective covers 13 are provided, and the positions of the two groups of protective covers 13 are symmetrical about the center of the box body 3, and the box body 3 is arranged on the movement trajectory of the protective covers 13. This is beneficial to provide all-round sealing protection for the contact parts of the box body 3 by setting two groups of protective covers 13 whose positions are symmetrical about the center of the box body 3.

[0027] Working principle: When using this nitrogen-protected fixed conveying device, when the fixed conveying device with a nitrogen protection structure is used daily, in order to improve the sealing and protection effect of the connection between the gas nozzle and the box body 3 when the gas nozzle contacts the box body 3, when the fixed gas nozzle 7 fixedly connected to the slide rod 8 performs a downward movement, it can drive the connecting rod 9 to slide along the inner wall of the slide groove 10. At the same time, it drives the connecting rod 9 to slide along the inner wall of the first limit groove 12, so as to achieve the effect of driving the swing rod 11 to rotate conveniently. The rotation of the swing rod 11 drives the protective cover 13 fixedly connected to the limit rod 15 to slide along the inner wall of the second limit groove 14, so as to achieve the effect of centering the sliding of the two groups of protective covers 13, thereby playing a role in effectively linking and sealing the contact part between the gas nozzle and the box body 3.

[0028] This is the working principle of this nitrogen-protected fixed conveying device.

[0029] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. A nitrogen-protected fixed conveying device, comprising a conveying shell (1), characterized in that: The outer wall of the conveying shell (1) is provided with a conveying platform (2), the outer wall of the conveying platform (2) is provided with a box body (3), the top of the conveying shell (1) is provided with a nitrogen tank (4), the top of the conveying shell (1) is provided with a vacuum pump (5) located on one side of the nitrogen tank (4), the top of the conveying shell (1) is fixedly connected with an electric push rod (6), one end of the electric push rod (6) is fixedly connected with a fixed air nozzle (7), the outer wall of the fixed air nozzle (7) is fixedly connected with a slide rail rod (8) slidably connected to the outer wall of the conveying shell (1), the outer wall of the slide rail rod (8) is fixedly connected with a connecting rod (9) slidably connected to the outer wall of the conveying shell (1), and the conveying A sliding groove (10) is provided at a connection position between the outer wall of the conveying shell (1) and the connecting rod (9); the outer wall of the connecting rod (9) is slidably connected to a swing rod (11) rotatably connected to the inner wall of the conveying shell (1); a first limiting groove (12) is provided at a connection position between the outer wall of the swing rod (11) and the connecting rod (9); the outer wall of the swing rod (11) is slidably connected to a protective cover (13) slidably connected to the outer wall of the conveying shell (1); a second limiting groove (14) is provided at a connection position between the outer wall of the swing rod (11) and the protective cover (13); and the outer wall of the protective cover (13) is fixedly connected to a limiting rod (15) slidably connected to the outer wall of the conveying shell (1).

2. A nitrogen-protected fixed conveying device according to claim 1, characterized in that: The fixed gas nozzle (7) is connected to the vacuum pump (5) via a connecting pipe, and the fixed gas nozzle (7) is connected to the nitrogen tank (4) via a connecting pipe.

3. A nitrogen-protected fixed conveying device according to claim 1, characterized in that: The connecting rod (9) forms a lifting structure between the fixed air nozzle (7) and the slide rail rod (8) and the slide groove (10).

4. A nitrogen-protected fixed conveying device according to claim 1, characterized in that: The swing rod (11) forms a rotating structure with the conveying shell (1) through the connecting rod (9) and the first limiting groove (12), and the positions of the first limiting groove (12) and the second limiting groove (14) are equidistantly distributed about the rotation center of the swing rod (11).

5. The fixed conveying device for nitrogen protection according to claim 1, characterized in that: The protective cover (13) forms a telescopic structure with the conveying shell (1) through the swing rod (11) and the limiting rod (15).

6. A nitrogen protection fixed conveying device according to claim 1, characterized in that: Two groups of protective covers (13) are provided, and the positions of the two groups of protective covers (13) are symmetrical with respect to the center of the box body (3), and the box body (3) is provided on the movement trajectory of the protective covers (13).

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