Nitrogen filling device

Abstract

The utility model belongs to the technical field of nitrogen filling, and particularly relates to a nitrogen filling device which comprises a conveying table, at least two conveying frames are arranged at the top of the conveying table in a sliding mode, mounting grooves are formed in the tops of the conveying frames in an inward concave mode, and clamping mechanisms used for clamping and fixing nitrogen bottle bodies are arranged on the side walls of the conveying frames and the side walls of the mounting grooves. And the clamping mechanism comprises transverse positioning rods which are bilaterally symmetrical and slidably penetrate through the inner side wall of the mounting groove. Due to the design of the movable frame and the universal wheels in the mounting groove, the placement and position fine adjustment of the nitrogen cylinder are facilitated, and the cylinder body is more easily and accurately placed in the clamping mechanism; through the clamping mechanism on the conveying frame, the clamping force of the clamping plates on the bottle body of the nitrogen bottle can be adjusted through the cooperation of the positive and negative thread double-thread screw and the guide rod, the nitrogen bottle is effectively fixed, and the situation that the nitrogen bottle topples over due to collision and other reasons in the filling process is avoided, so that nitrogen leakage is prevented, and the operation safety and effective nitrogen filling are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen filling technology field, concretely is a nitrogen filling device. BACKGROUND

[0002] When filling nitrogen cylinder, if by accident collides to nitrogen cylinder, can cause nitrogen cylinder to lose balance and occur to dump, once nitrogen cylinder dumps, can cause a series of safety problems, such as nitrogen in nitrogen cylinder can leak, therefore need to research and develop a nitrogen filling device. SUMMARY

[0003] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0005] A nitrogen filling device comprises:

[0006] A conveying table is provided with two conveying frames on the top, the top of the conveying frame is recessed to form an installation groove, a clamping mechanism for clamping and fixing the body of the nitrogen cylinder is arranged on the side wall of the conveying frame and the installation groove, the clamping mechanism comprises two horizontally symmetrical positioning rods slidingly penetrating the side wall of the installation groove, an arc-shaped clamping plate is fixedly arranged at one end of the two positioning rods in the inner cavity of the installation groove, and a movable plate is fixedly arranged at the other end, a horizontally oriented positive and negative double-end screw rod is rotatably penetratingly arranged on the side wall of the conveying frame through a bearing sleeve, and a horizontally oriented guide rod is fixedly penetratingly arranged, the outer threads on the left and right sides of the rod body of the positive and negative double-end screw rod are respectively screwed through the side walls of two movable plates at the front position, the side walls of two movable plates at the rear position are respectively slidingly penetratingly arranged on the rod body of the guide rod through a first linear bearing, and a knob is fixedly arranged at one end of the positive and negative double-end screw rod.

[0007] An installation frame is fixedly arranged above the conveying table, and a filling mechanism for filling nitrogen into the nitrogen cylinder is arranged on the installation frame.

[0008] The fixed frame is fixed to the side wall of the conveying table and is located below the mounting frame, a lateral moving rod is slidingly arranged in the side wall of the fixed frame, a plug block is protrudedly arranged in the side wall of the moving rod, a plug slot is formed in the side wall of the conveying frame for the plug block to be transversely inserted, a spring parallel to the moving rod is fixedly arranged between the plug block and the moving rod, and a pull ring is arranged at the end of the moving rod away from the plug block.

[0009] As a preferred scheme of the nitrogen filling device, the inner cavity of the mounting groove is movably provided with a movable rack for placing a nitrogen cylinder body, universal wheels are circumferentially arranged at the bottom of the movable rack and roll on the bottom wall of the inner cavity of the mounting groove, the movable rack is in the form of a barrel with an open top wall and is located below the clamping plate, and the diameter of the inner side cross section of the movable rack is not less than the maximum cross section outer diameter of the nitrogen cylinder body.

[0010] As a preferred scheme of the nitrogen filling device, the positive and negative double-head screw rod and the guide rod are alternately arranged in the inner cavity of the mounting groove, and the positioning rod is located at the middle part of the guide rod and the bearing sleeve.

[0011] As a preferred scheme of the nitrogen filling device, a handle is fixedly arranged on the side wall of the conveying frame, two slide grooves are symmetrically formed in the top of the conveying table, a slide rod is fixedly arranged on the inner side of each slide groove, two slide blocks are protrudedly arranged at the bottom of each conveying frame, and the side walls of the two slide blocks are slidingly penetrated by the rod bodies of the two slide rods through the second linear bearing.

[0012] As a preferred scheme of the nitrogen filling device, the filling mechanism comprises a vertical electric lifting cylinder fixed to the top of the mounting frame, a filling head is slidingly penetrated through the bottom wall of the mounting frame and is mounted on the output shaft of the electric lifting cylinder through a fixing plate, the filling head is located above one of the mounting grooves, and an electric control valve is arranged on the filling head.

[0013] As a preferred scheme of the nitrogen filling device, a nitrogen tank is arranged outside the mounting frame, and the nitrogen tank is connected to the filling head through the conveying assembly to convey the nitrogen in the nitrogen tank to the filling head.

[0014] As a preferred scheme of the nitrogen filling device, the conveying assembly comprises a conveying air pump, a conveying hose one is connected to the input end of the conveying air pump through a flange, the other end of the conveying hose one is communicated with the inner cavity of the nitrogen tank, a conveying hose two is connected to the output end of the conveying air pump through a flange, and the other end of the conveying hose two is communicated with the filling head.

[0015] The utility model discloses a beneficial effect is: the movable frame and universal wheel design in the installation groove, the placement of nitrogen cylinder and position fine adjustment are convenient for, make bottle body more easily accurate place in the clamping mechanism, through the clamping mechanism on the conveying frame, utilize positive and negative silk double -end screw rod and guide rod cooperation, the clamping force of the clamping plate to nitrogen cylinder bottle body can be adjusted, nitrogen cylinder is effectively fixed, avoids the nitrogen cylinder toppling in the filling process because of the collision and so on reason, thereby prevents nitrogen leakage, guarantees the safety of operation and the effective filling of nitrogen, the setting of multiple conveying frames, combine the insert block and the slot structure of fixed frame, can prepare next when one nitrogen cylinder fills, realizes continuous filling operation, improves filling efficiency, saves time and manpower cost. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the utility model embodiment, below will combine with the drawings and detailed implementation to the utility model is explained in detail, obviously, the drawing in the following description only some implementation of the utility model, for the ordinary skill in the art person, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings. Wherein:

[0017] Figure 1 It is the structural schematic diagram of the utility model;

[0018] Figure 2 It is the utility model Figure 1 It is the structural schematic diagram of the utility model in the direction of looking from the side;

[0019] Figure 3 It is the structural schematic diagram of the utility model conveying frame section internal component;

[0020] Figure 4 It is the explosion drawing of the utility model clamping mechanism;

[0021] Figure 5 It is the structural schematic diagram of the utility model conveying table in the direction of looking from the top;

[0022] Figure 6 It is the structural schematic diagram of the utility model fixed frame and other components.

[0023] In the figure: conveying table 100, conveying frame 101, mounting groove 102, movable frame 103, positioning rod 104, clamping plate 105, movable plate 106, positive and negative wire double-end screw rod 107, guide rod 108, first linear bearing 109, bearing sleeve 110, knob 111, universal wheel 112, handle 113, sliding groove 114, sliding rod 115, sliding block 116, second linear bearing 117, mounting frame 200, electric lifting cylinder 201, fixed plate 202, filling head 203, electric control valve 204, nitrogen tank 205, conveying air pump 206, conveying hose one 207, conveying hose two 208, mounting frame 300, moving rod 301, plug block 302, plug groove 303, spring 304, pull ring 305. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purpose, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0025] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in other ways that are not the same as those described herein, and those skilled in the art can make similar generalizations without departing from the spirit of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0026] Secondly, the present application is described in detail in combination with the schematic diagram. In the detailed description of the embodiments of the present application, the cross-sectional view of the device structure is partially enlarged without the general proportion for the convenience of description, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.

[0027] In order to make the purpose, technical scheme and advantages of the present application more clear, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings.

[0028] Please refer to Figures 1-6 , which shows the structure schematic diagram of the nitrogen filling device embodiment of the present application, please refer to Figures 1-6 , a nitrogen filling device is introduced in detail.

[0029] The nitrogen filling device comprises a conveying table 100, the top of the conveying table 100 is slidably provided with two conveying frames 101, the top of the conveying frame 101 is concavely provided with a mounting groove 102, the sidewall of the conveying frame 101 and the mounting groove 102 is provided with a clamping mechanism for clamping and fixing the body of a nitrogen cylinder, the clamping mechanism comprises two symmetrical transverse positioning rods 104 slidably penetrating the sidewall of the mounting groove 102, the two positioning rods 104 are fixedly provided with an arc-shaped clamping plate 105 at one end of the inner cavity of the mounting groove 102 and an active plate 106 at the other end, the sidewall of the conveying frame 101 is rotatably provided with a transverse positive and negative double-end screw rod 107 penetrating through the bearing sleeve 110, and is fixedly provided with a transverse guide rod 108 penetrating through, the outer threads of the rod bodies of the positive and negative double-end screw rod 107 are respectively screwed through the sidewalls of the two active plates 106 at the front positions, the sidewalls of the two active plates 106 at the rear positions are slidably penetrated by the rod body of the guide rod 108 through the first linear bearing 109, one end of the positive and negative double-end screw rod 107 is fixedly provided with a knob 111, the positive and negative double-end screw rod 107 and the guide rod 108 are staggered in the inner cavity of the mounting groove 102, and the positioning rod 104 is located at the middle position of the guide rod 108 and the bearing sleeve 110.

[0030] A mounting frame 200 is fixedly arranged above the conveying table 100, and a filling mechanism for filling nitrogen into the nitrogen cylinder is arranged on the mounting frame 200.

[0031] A fixing frame 300 is fixed to the sidewall of the conveying table 100 and located below the mounting frame 200, a transverse moving rod 301 is slidably arranged through the sidewall of the fixing frame 300, an insertion block 302 is protrusively arranged on the sidewall of the moving rod 301, an insertion groove 303 is arranged on the sidewall of the conveying frame 101 for the insertion block 302 to be transversely inserted, a spring 304 parallel to the moving rod 301 is fixedly arranged between the insertion block 302 and the moving rod 301, a pull ring 305 is arranged at the end of the moving rod 301 away from the insertion block 302, the moving rod 301 and the spring 304 can be pulled through the pull ring 305, the position of the insertion block 302 is adjusted so that it is extracted from the insertion groove 303 or the insertion block 302 is inserted into the insertion groove 303 by loosening the pull ring 305 and the spring 304, so as to fix the conveying frame 101.

[0032] The inner cavity of the mounting groove 102 is movably provided with a movable rack 103 for placing the body of the nitrogen cylinder, the bottom of the movable rack 103 is annularly provided with universal wheels 112 which roll on the bottom wall of the inner cavity of the mounting groove 102, the movable rack 103 is in the form of a barrel with an open top wall and is located below the clamping plates 105, the inner side of the movable rack 103 has a cross section with a diameter not less than the outer diameter of the cross section of the largest part of the body of the nitrogen cylinder, the body of the nitrogen cylinder is first placed in the movable rack 103, so that the body of the nitrogen cylinder is conveniently clamped and fixed by the clamping mechanism, the movable rack 103 is displaced with small resistance by the universal wheels 112, and the body of the nitrogen cylinder is better fixed between the two clamping plates 105;

[0033] The side wall of the conveying rack 101 is fixedly provided with a handle 113, the top of the conveying table 100 is symmetrically provided with two sliding grooves 114, the inner side of each sliding groove 114 is fixedly provided with a sliding rod 115, the bottom of each conveying rack 101 is protrusively provided with two sliding blocks 116, the side walls of the two sliding blocks 116 are slidably penetrated by the rod bodies of the two sliding rods 115 through second linear bearings 117, the handle 113 is convenient for pushing the conveying rack 101 to move, so that the sliding blocks 116 are moved along the sliding rods 115 to the position where the mounting rack 200 is located, and the conveying rack 101 is fixed by inserting the insertion block 302 into the insertion groove 303, so as to prevent the conveying rack 101 from sliding during filling;

[0034] The filling mechanism comprises a vertical electric lifting cylinder 201 fixed on the top of the mounting frame 200, the output shaft of the electric lifting cylinder 201 slidingly penetrates the bottom wall of the mounting frame 200 and is provided with a filling head 203 through a fixing plate 202, the filling head 203 is located above one of the mounting grooves 102, and an electric control valve 204 is arranged on the filling head 203, a nitrogen tank 205 is arranged outside the mounting frame 200, nitrogen in the nitrogen tank 205 is delivered to the filling head 203 through a delivery assembly, the delivery assembly comprises a delivery gas pump 206, the input end of the delivery gas pump 206 is connected with a delivery hose one 207 through a flange, the other end of the delivery hose one 207 is communicated with the inner cavity of the nitrogen tank 205, the output end of the delivery gas pump 206 is connected with a delivery hose two 208 through a flange, the other end of the delivery hose two 208 is communicated with the filling head 203, the nitrogen cylinder is moved below the filling head 203, the filling head nitrogen cylinder is connected through a connecting pipe, during filling, the electric lifting cylinder 201 is started again to drive the filling head 203 to descend and connect with the filling port of the nitrogen cylinder, the electric control valve 204 is opened, the delivery gas pump 206 is started to deliver nitrogen to the filling head 203 through the delivery hose one 207 and the delivery hose two 208, and then the nitrogen is delivered into the nitrogen cylinder through the filling head 203, the filling of the nitrogen cylinder is completed, and through the arrangement of at least two delivery frames 101, one nitrogen cylinder can be filled while another nitrogen cylinder is fixed, the filled nitrogen cylinder is taken out when another nitrogen cylinder is filled, the nitrogen cylinder to be filled is put in, and after reciprocating operation, a plurality of nitrogen cylinders can be continuously filled.

[0035] Although the present application has been described with reference to the embodiments above, various improvements can be made and equivalent substitutions can be made to the components without departing from the scope of the present application. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in the present application can be combined in any manner, and the combinations are not exhaustively described in the present specification only for the purpose of saving space and resources. Therefore, the present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A nitrogen filling device, characterized by, Include: Conveying table (100), the top of conveying table (100) is provided with two conveying frames (101) at least slidingly, the top of conveying frame (101) is concave and is provided with mounting groove (102), the side wall of conveying frame (101) and mounting groove (102) is provided with clamping mechanism for clamping and fixing nitrogen cylinder body, the clamping mechanism includes the left-right symmetrical positioning rod (104) slidingly penetrating the inner side wall of mounting groove (102), two positioning rods (104) are fixedly provided with arc-shaped clamping plate (105) at one end in the inner cavity of mounting groove (102), and are fixedly provided with movable plate (106) at the other end, the side wall of conveying frame (101) is rotatably penetrated by bearing sleeve (110) and is provided with transverse positive and negative double-end screw rod (107), and is fixedly penetrated by transverse guide rod (108), the outer threads of the rod bodies of positive and negative double-end screw rod (107) are respectively screwed through the side wall of two movable plates (106) near the front position, the side wall of two movable plates (106) near the rear position is respectively penetrated by the rod body of guide rod (108) slidingly through first linear bearing (109), one end of positive and negative double-end screw rod (107) is fixedly provided with knob (111); Mounting frame (200), the upper side of conveying table (100) is fixedly provided with mounting frame (200), and the mounting frame (200) is provided with filling mechanism for filling nitrogen gas into nitrogen cylinder; Fixed frame (300), fixed in the side wall of conveying table (100) and located below mounting frame (200), the side wall of fixed frame (300) is slidingly penetrated by transverse moving rod (301), the side wall of moving rod (301) is protrudingly provided with plug (302), the side wall of conveying frame (101) is provided with insertion slot (303) for plug (302) to be transversely inserted, spring (304) parallel to moving rod (301) is fixedly arranged between plug (302) and moving rod (301), and pull ring (305) is arranged at the end of moving rod (301) away from plug (302).

2. The nitrogen filling device according to claim 1, characterized in that: The inner cavity of mounting groove (102) is movably provided with movable frame (103) for placing nitrogen cylinder body, the bottom of movable frame (103) is annularly provided with universal wheel (112) rolling on the bottom wall of inner cavity of mounting groove (102), the movable frame (103) is in the form of open-top barrel, and is located below clamping plate (105), and the inner side cross section of movable frame (103) is not less than the outer diameter of the maximum cross section of nitrogen cylinder body.

3. The nitrogen filling device according to claim 1, characterized in that: The positive and negative double-end screw rod (107) and the guide rod (108) are staggered in the inner cavity of mounting groove (102), and the positioning rod (104) is located in the middle position of guide rod (108) and bearing sleeve (110).

4. The nitrogen filling device according to claim 1, characterized in that: The side wall of the conveying frame (101) is fixedly provided with a handle (113), the top of the conveying table (100) is symmetrically provided with two sliding grooves (114), the inner side of each sliding groove (114) is fixedly provided with a sliding rod (115), the bottom of each conveying frame (101) is protrusively provided with two sliding blocks (116), and the side walls of the two sliding blocks (116) are slidably penetrated by the rod bodies of the two sliding rods (115) through second linear bearings (117).

5. The nitrogen filling device according to claim 1, wherein: The filling mechanism comprises a vertical electric lifting cylinder (201) fixed at the top of the mounting frame (200), the output shaft of the electric lifting cylinder (201) slidably penetrates the bottom wall of the mounting frame (200) and is provided with a filling head (203) through a fixing plate (202), the filling head (203) is located above one of the mounting grooves (102), and the filling head (203) is provided with an electric control valve (204).

6. A nitrogen filling device according to claim 5, characterized in that: The outside of the mounting frame (200) is provided with a nitrogen tank (205), and the nitrogen tank (205) is provided with a conveying assembly for conveying the nitrogen in the nitrogen tank (205) to the filling head (203).

7. A nitrogen filling device according to claim 6, characterized in that: The conveying assembly comprises a conveying gas pump (206), the input end of the conveying gas pump (206) is connected with a conveying hose one (207) through a flange, the other end of the conveying hose one (207) is communicated with the inner cavity of the nitrogen tank (205), the output end of the conveying gas pump (206) is connected with a conveying hose two (208) through a flange, and the other end of the conveying hose two (208) is communicated with the filling head (203).

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