Nitrogen filling structure of filling head

Abstract

The utility model belongs to the technical field of nitrogen filling, and particularly relates to a filling head nitrogen filling structure which comprises a bottom plate, an n-shaped fixing frame is fixedly arranged at the top of the bottom plate, transverse mounting frames are fixedly arranged on the inner side wall of the fixing frame in a bilateral symmetry mode, and a vertical electric telescopic rod is fixedly arranged in the center of the top wall. An output rod of the electric telescopic rod slidably penetrates through the top wall of the fixing frame and is fixedly provided with an inflation head. And the fixed disc is fixedly arranged between the two mounting frames and is annular. A gas injection pipe of an empty nitrogen bottle is conveyed into an area defined by all the positioning rollers, the speed reduction servo motor is started to drive the rotating disc to rotate slowly, the guide sliding block slides along the guide sliding groove, the movable rod is driven to slide along the limiting sliding groove, and meanwhile the distance between all the positioning rollers and the ring center of the rotating disc is adjusted; when all the positioning rollers abut against the outer side of the air injection pipe, the air injection pipe is centered so as to be aligned with the inflation head, and therefore the air injection pipe and the inflation head can be conveniently connected.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen filling technology field, concretely is a nitrogen filling head nitrogen rush into structure. BACKGROUND

[0002] Nitrogen is a chemical element, its chemical symbol is N, atomic number is 7. Under standard conditions, nitrogen is a colorless, odorless, odorless gas, accounts for about 78% of the earth's atmosphere. Nitrogen is relatively stable in chemistry, not easy to react with other substances, often used as inert gas, used in the field such as welding, food packaging. At the same time, nitrogen is also an important element in the biological body, participates in the construction of biological molecules such as protein and nucleic acid.

[0003] When nitrogen empty bottle is filled, it lacks the structure of quickly aligning the nitrogen injection pipe of the nitrogen empty bottle with the inflation head of the filling equipment, reduces the efficiency when connecting the two, therefore, a nitrogen filling head nitrogen rush into structure needs to be researched and developed. SUMMARY

[0004] This part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. In this part and the abstract of the specification and the utility model name of the application, some simplification or omission may be made to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplification or omission cannot be used to limit the scope of the utility model.

[0005] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0006] A nitrogen filling head nitrogen rush into structure, comprising:

[0007] The bottom plate is fixedly provided with a " " shaped fixed frame on the top, the inner side wall of the fixed frame is fixedly provided with a transverse mounting frame symmetrically left and right, the center of the top wall is fixedly provided with a vertical electric telescopic rod, the output rod of the electric telescopic rod is slidably penetrated through the top wall of the fixed frame and is fixedly provided with an inflation head;

[0008] The fixed disc is fixedly arranged between the two mounting frames and annular, the upper and lower walls of the fixed disc are equidistantly provided with arc-shaped fixed sliding ports with the ring center as the center, the two ends of the fixed sliding port are equidistant from the ring center of the fixed disc, the inner side wall of each fixed sliding port is slidably provided with a follower block, the lower ends of all the follower blocks are fixedly arranged with an annular rotating disc, the rotating disc is located on the lower surface of the fixed disc and is rotatably arranged with the fixed disc, the vertical central axes of the fixed disc and the rotating disc coincide, the upper and lower walls of the rotating disc are equidistantly provided with arc-shaped guide sliding grooves with the ring center as the center, the two ends of the guide sliding groove are not equidistant from the ring of the rotating disc, the inner side wall of each guide sliding groove is slidably provided with a guide sliding block, the top of each guide sliding block is provided with a movable rod protruding on the top of the rotating disc, all the movable rods are equidistantly arranged around the vertical central axis of the rotating disc, and one end of each movable rod close to the ring center of the rotating disc is rotatably provided with a positioning roller, the center of the area surrounded by all the positioning rollers is aligned below the inflation head, and the bottom of the fixed disc is provided with a limiting sliding groove for the sliding of the movable rod along the radius direction of the fixed disc.

[0009] The driving mechanism is arranged on the rotating disc and the fixed disc for driving the rotating disc to rotate.

[0010] The lifting platform is arranged below the fixed disc and is in the form of a barrel with an open top wall, and the inner cavity bottom wall of the lifting platform is movably provided with a movable platform.

[0011] As a preferred scheme of the nitrogen gas flushing structure of the filling head, the top of the bottom plate is fixedly provided with a nitrogen tank on one side of the fixed frame, the top of the nitrogen tank is provided with a delivery pump, the gas inlet end of the delivery pump is communicated with the inner cavity of the nitrogen tank through a gas inlet pipe, the gas outlet end is connected with the inflation head through a gas outlet pipe, and the gas outlet pipe is provided with a control valve.

[0012] As a preferred scheme of the nitrogen gas flushing structure of the filling head, the thickness of the follower block is equal to the inner side width of the fixed sliding port, the top of each follower block is protrusively provided with a limiting plate, the thickness of the limiting plate is greater than the inner side width of the fixed sliding port, and the bottom wall of the limiting plate is attached to the upper surface of the fixed disc.

[0013] As a preferred scheme of the nitrogen gas flushing structure of the filling head, the driving mechanism comprises a worm gear fixedly arranged on the outer side of the rotating disc, the side wall of the fixed disc is fixedly provided with an inverted "L"-shaped support, and the side wall of the support is rotatably penetratingly provided with a worm gear engaged with the worm.

[0014] As a preferred scheme of the nitrogen gas filling structure of the filling head, the top of the bottom plate is fixedly provided with a deceleration servo motor, an output end of the deceleration servo motor is connected to an end of the worm through a shaft coupling.

[0015] As a preferred scheme of the nitrogen gas filling structure of the filling head, the outer side wall of the support is fixedly provided with a receiving shell, an inner cavity of the receiving shell receives the worm wheel, and the receiving shell is provided with an opening for meshing of the worm and the worm wheel.

[0016] As a preferred scheme of the nitrogen gas filling structure of the filling head, the front side wall of the movable table is screw-connected and penetrates a screw rod and a limiting rod parallel to the screw rod, one end of the screw rod in the inner cavity of the movable table is rotatably provided with an arc-shaped clamping plate, and one end of the limiting rod in the inner cavity of the movable table is fixed to the side wall of the clamping plate.

[0017] As a preferred scheme of the nitrogen gas filling structure of the filling head, the top of the bottom plate is fixedly provided with a vertical electric telescopic cylinder below the lifting table, an output rod top end of the electric telescopic cylinder is fixed to the center position of the bottom wall of the lifting table, the top of the bottom plate is fixedly provided with vertical guide columns around the output rod of the electric telescopic cylinder at equal intervals, and the rod body of the guide column penetrates the bottom wall and the upper edge of the lifting table.

[0018] The beneficial effect of the present application is that the gas injection pipe of the nitrogen gas empty bottle is sent to the area surrounded by all the positioning rollers, the deceleration servo motor is started to drive the rotating disc to rotate slowly, the guide sliding block slides along the guide sliding groove, the movable rod slides along the limiting sliding groove, and the distance between all the positioning rollers and the ring center of the rotating disc is adjusted, when all the positioning rollers abut against the outer side of the gas injection pipe, the gas injection pipe is centered and aligned with the inflation head, so that the gas injection pipe and the inflation head are connected conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0020] Figure 1 It is a structural schematic view of the present application;

[0021] Figure 2 It is a structural schematic view of the present application from the direction of the fixed disc and other components;

[0022] Figure 3 For the utility model Figure 2 The structure diagram of receiving the internal components of the shell is shown in the figure.

[0023] Figure 4 For the utility model Figure 2 The explosion map is shown in the figure.

[0024] Figure 5 The explosion map of the guide sliding block and the guide sliding groove of the utility model is shown in the figure.

[0025] Figure 6 For the utility model Figure 2 The structure diagram of the upward direction is shown in the figure.

[0026] Figure 7 The explosion map of the movable table and the clamping plate of the utility model is shown in the figure.

[0027] In the figure: base plate 100, fixed frame 101, mounting frame 102, electric telescopic rod 103, inflation head 104, nitrogen tank 105, conveying pump 106, air inlet pipe 107, air outlet pipe 108, control valve 109, fixed disc 200, fixed sliding port 201, follow-up block 202, limit plate 203, rotating disc 204, guide sliding groove 205, movable rod 206, guide sliding block 207, positioning roller 208, limit sliding groove 209, driving mechanism 300, worm gear 301, support 302, speed reduction servo motor 303, worm 304, receiving shell 305, opening 306, lifting table 400, movable table 401, universal wheel 402, screw rod 403, clamping plate 404, limit rod 405, electric telescopic cylinder 406, guide column 407. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below with reference to the drawings.

[0029] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0030] Secondly, the utility model is described in detail in combination with the schematic diagram, when the embodiments of the utility model are described in detail, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model herein. In addition, three-dimensional spatial dimensions including length, width and depth should be included in actual production.

[0031] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below with reference to the drawings.

[0032] Please refer to Figures 1-7 , it is the structure schematic diagram of the embodiment of the nitrogen gas flushing structure of the filling head of the utility model, please refer to Figures 1-7 , the nitrogen gas flushing structure of the filling head is introduced in detail.

[0033] The nitrogen gas flushing structure of the filling head, including the bottom plate 100, the top of the bottom plate 100 is fixedly provided with the fixed frame 101 of the shape of the Chinese character, the inner side wall of the fixed frame 101 is fixedly provided with the transverse mounting bracket 102, the center of the top wall is fixedly provided with the vertical electric telescopic rod 103, the output rod of the electric telescopic rod 103 is slidably penetrated through the top wall of the fixed frame 101 and is fixedly provided with the inflation head 104;

[0034] The fixed disc 200 is fixedly arranged between the two mounting brackets 102 and is annular, the upper and lower walls of the fixed disc 200 are equidistantly provided with the arc-shaped fixed sliding port 201 with the ring core as the center, the distance between the two ends of the fixed sliding port 201 and the ring core of the fixed disc 200 is equal, the inner side wall of each fixed sliding port 201 is slidably provided with the follower block 202, the lower ends of all follower blocks 202 are fixedly provided with the annular rotating disc 204, the rotating disc 204 is located on the lower surface of the fixed disc 200 and is rotatably arranged with the fixed disc 200, the vertical central axes of the fixed disc 200 and the rotating disc 204 coincide, the upper and lower walls of the rotating disc 204 are equidistantly provided with the arc-shaped guide sliding groove 205 with the ring core as the center, the distance between the two ends of the guide sliding groove 205 and the ring of the rotating disc 204 is not equal, the inner side wall of each guide sliding groove 205 is slidably provided with the guide sliding block 207, the top of each guide sliding block 207 is provided with the movable rod 206 protruding on the top of the rotating disc 204, all movable rods 206 are equidistantly arranged around the vertical central axis of the rotating disc 204, and one end of each movable rod 206 close to the ring core of the rotating disc 204 is rotatably provided with the positioning roller 208, the center of the area surrounded by all positioning rollers 208 is aligned below the inflation head 104, and the bottom of the fixed disc 200 is provided with the limiting sliding groove 209 for the abutting sliding of the movable rod 206 along the radius direction of the fixed disc 200.

[0035] The drive mechanism 300 is arranged on the rotating disc 204 and the fixed disc 200 for driving the rotating disc 204 to rotate, after the rotating disc 204 rotates, the guide sliding block 207 slides along the guide sliding groove 205, drives the movable rod 206 to slide along the limiting sliding groove 209, and adjusts the distance between all positioning rollers 208 and the ring core of the rotating disc 204.

[0036] The lifting platform 400 is arranged below the fixed disc 200 and has a barrel shape with an open top wall. An activity platform 401 is movably arranged on the bottom wall of the inner cavity of the lifting platform 400. The activity platform 401 has a barrel shape with an open top and is uniformly provided with universal wheels 402 at the bottom.

[0037] The top of the bottom plate 100 is fixedly provided with a nitrogen tank 105 on one side of the fixed frame 101. The top of the nitrogen tank 105 is provided with a delivery pump 106. The gas inlet end of the delivery pump 106 is communicated with the inner cavity of the nitrogen tank 105 through a gas inlet pipe 107. The gas outlet end of the delivery pump 106 is connected with the inflation head 104 through a gas outlet pipe 108. The control valve 109 is arranged on the gas outlet pipe 108. The control valve 109 is opened to start the delivery pump 106. The nitrogen in the nitrogen tank 105 is delivered and filled through the gas inlet pipe 107, the gas outlet pipe 108 and the inflation head 104.

[0038] The thickness of the follower block 202 is equal to the inner side width of the fixed sliding port 201. The top of each follower block 202 is protrusively provided with a limiting plate 203. The thickness of the limiting plate 203 is greater than the inner side width of the fixed sliding port 201. The bottom wall of the limiting plate 203 is attached to the upper surface of the fixed disc 200. Since the fixed disc 200 and the rotating disc 204 are rotationally connected, the limiting plate 203 can prevent the fixed disc 200 and the rotating disc 204 from falling off. When the rotating disc 204 rotates, the follower block 202 is synchronously slid along the fixed sliding port 201.

[0039] The driving mechanism 300 includes a worm gear 301 fixedly arranged on the outer side of the rotating disc 204. The side wall of the fixed disc 200 is fixedly provided with an inverted "L" shaped bracket 302. The side wall of the bracket 302 is rotationally and penetratively provided with a worm shaft 304 engaged with the worm gear 301. The top of the bottom plate 100 is fixedly provided with a speed reduction servo motor 303. The output end of the speed reduction servo motor 303 is connected with the end of the worm shaft 304 through a shaft coupling. The speed reduction servo motor 303 is started to slowly rotate the worm shaft 304. Since the transmission ratio of the worm shaft 304 and the worm gear 301 is large, the worm shaft 304 further slowly rotates the worm gear 301 to slowly rotate the rotating disc 204. The worm shaft 304 and the worm gear 301 are self-locking. The worm shaft 304 and the worm gear 301 can only be reversely self-locked, that is, only the worm shaft 304 can drive the worm gear 301, but the worm gear 301 cannot drive the worm shaft 304. The stability of the rotating disc 204 after rotation is improved.

[0040] The outer side wall of the bracket 302 is fixedly provided with a receiving shell 305. The inner cavity of the receiving shell 305 receives the worm gear 301. The receiving shell 305 is provided with an opening 306 for engagement of the worm shaft 304 and the worm gear 301. The receiving shell 305 only receives the worm gear 301 without affecting the activities of any components.

[0041] Wherein: the front side wall of the movable platform 401 is threaded through the screw rod 403, and the sliding through is provided with the limiting rod 405 which is parallel to the screw rod 403, the screw rod 403 is rotationally arranged with the arc-shaped clamping plate 404 at one end of the inner cavity of the movable platform 401, the limiting rod 405 is fixed on the side wall of the clamping plate 404 at one end of the inner cavity of the movable platform 401, the position of the clamping plate 404 is adjusted by rotating the screw rod 403, so as to clamp and fix the nitrogen empty bottle, and thus the nitrogen empty bottles with different outer diameters can be fixed;

[0042] Wherein: the top of the bottom plate 100 is fixedly provided with the vertical electric telescopic cylinder 406 below the lifting platform 400, the top end of the output rod of the electric telescopic cylinder 406 is fixedly arranged at the center position of the bottom wall of the lifting platform 400, the top of the bottom plate 100 is fixedly arranged with the vertical guide column 407 around the output rod of the electric telescopic cylinder 406 at equal intervals, the rod body of the guide column 407 is slidingly penetrated through the bottom wall and the upper edge of the lifting platform 400, the lifting platform 400 and the nitrogen empty bottle are lifted as a whole by starting the electric telescopic cylinder 406, so that the gas injection pipe at the top of the nitrogen empty bottle is sent to the area surrounded by all the positioning rollers 208, and the nitrogen empty bottles with different heights can also be inflated.

[0043] In the specific use process, the nitrogen empty bottle is placed in the movable platform 401, the position of the clamping plate 404 is adjusted by rotating the screw rod 403, the nitrogen empty bottle is clamped and fixed by the clamping plate 404 and the inner side wall of the movable platform 401, the lifting platform 400 and the nitrogen empty bottle are lifted as a whole by starting the electric telescopic cylinder 406, the gas injection pipe of the nitrogen empty bottle is sent to the area surrounded by all the positioning rollers 208, the rotating disc 204 is slowly rotated by starting the speed reduction servo motor 303, the guide sliding block 207 is slid along the guide sliding groove 205, the movable rod 206 is slid along the limiting sliding groove 209, and the distance between all the positioning rollers 208 and the ring center of the rotating disc 204 is adjusted at the same time, when all the positioning rollers 208 abut against the outer side of the gas injection pipe, the gas injection pipe is centered so as to align the inflation head 104, and at this time the movable platform 401 at the bottom of the nitrogen empty bottle moves through the universal wheel 402;

[0044] After filling with nitrogen, the inflation head 104 is lowered by starting the electric telescopic rod 103, the inflation head 104 is connected with the gas injection pipe, the control valve 109 is opened, the delivery pump 106 is started, and the nitrogen in the nitrogen tank 105 is delivered to the nitrogen empty bottle through the gas inlet pipe 107, the gas outlet pipe 108 and the inflation head 104.

[0045] Although the utility model has been described above with reference to the embodiments, various modifications can be made thereto, and equivalent replacements can be made to the components thereof, without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the embodiments disclosed by the utility model can be combined with each other in any manner, and the combinations are not exhaustively described in the specification merely for the purpose of omitting the length and saving the resources. Therefore, the utility model 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 purging structure for a filling head, characterized in that, Including: A bottom plate (100), on the top of the bottom plate (100), a "冂"-shaped fixing frame (101) is fixedly arranged. Horizontally arranged mounting frames (102) are symmetrically and fixedly arranged on the left and right inner side walls of the fixing frame (101), and a vertical electric telescopic rod (103) is fixedly arranged at the center of the top wall. The output rod of the electric telescopic rod (103) slidably penetrates through the top wall of the fixing frame (101) and is fixedly provided with an inflation head (104); A fixed disk (200), fixedly arranged between the two mounting frames (102) and in a ring shape. Arc-shaped fixed sliding openings (201) are equidistantly opened on the upper and lower walls of the fixed disk (200) with the center of its own ring as the center. The distances from both ends of the fixed sliding opening (201) to the center of the ring of the fixed disk (200) are equal. A follower block (202) is slidably arranged on the inner side wall of each fixed sliding opening (201). The lower ends of all the follower blocks (202) are jointly and fixedly provided with a ring-shaped turntable (204). The turntable (204) is located on the lower surface of the fixed disk (200) and is rotatably arranged with the fixed disk (200). The vertical central axes of the fixed disk (200) and the turntable (204) coincide. Arc-shaped guiding chutes (205) are equidistantly opened on the upper and lower walls of the turntable (204) with the center of its own ring as the center. The distances from both ends of the guiding chute (205) to the ring of the turntable (204) are not equal. A guiding slider (207) is slidably arranged on the inner side wall of each guiding chute (205). At the top of each guiding slider (207) and protruding from the top of the turntable (204), there is a movable rod (206). All the movable rods (206) are equidistantly arranged around the vertical central axis of the turntable (204). And at one end of each movable rod (206) close to the center of the ring of the turntable (204), a positioning roller (208) is rotatably arranged. The center of the area surrounded by all the positioning rollers (208) is aligned directly below the inflation head (104). A limiting chute (209) for the movable rod (206) to fit and slide is opened along the radial direction of the bottom of the fixed disk (200); A driving mechanism (300), arranged on the turntable (204) and the fixed disk (200) for driving the turntable (204) to rotate; A lifting platform (400), arranged below the fixed disk (200) in a lifting manner and in the shape of a cylindrical barrel with an open top wall. A movable platform (401) is movably arranged on the inner cavity bottom wall of the lifting platform (400). The movable platform (401) is in the shape of a cylindrical barrel with an open top and is evenly provided with universal wheels (402) at the bottom.

2. The nitrogen purging structure for a filling head according to claim 1, characterized in that: On the top of the bottom plate (100) and on one side of the fixing frame (101), a nitrogen tank (105) is fixedly arranged. A delivery pump (106) is arranged on the top of the nitrogen tank (105). The intake end of the delivery pump (in106) is connected to the inner cavity of the nitrogen tank (105) through an intake pipe (107), and the outlet end is connected to the inflation head (104) through an outlet pipe (108). And a control valve (109) is arranged on the outlet pipe (108).

3. The nitrogen purging structure for a filling head according to claim 1, characterized in that: The thickness of the follower block (202) is equal to the inner width of the fixed slide (201). Each follower block (202) has a limit plate (203) protruding from its top. The thickness of the limit plate (203) is greater than the inner width of the fixed slide (201), and the bottom wall of the limit plate (203) is attached to the upper surface of the fixed disk (200).

4. The nitrogen purging structure for a filling head according to claim 1, characterized in that: The drive mechanism (300) includes a worm gear (301) fixedly disposed on the outside of the turntable (204), and an inverted "L"-shaped bracket (302) fixedly disposed on the side wall of the fixed plate (200), and a worm (304) meshing with the worm gear (301) is rotatably disposed through the side wall of the bracket (302).

5. The nitrogen purging structure for a filling head according to claim 4, characterized in that: A geared servo motor (303) is fixedly installed on the top of the base plate (100), and the output end of the geared servo motor (303) is connected to the end of the worm gear (304) through a coupling.

6. The nitrogen purging structure for a filling head according to claim 4, characterized in that: The outer wall of the bracket (302) is fixedly provided with a storage shell (305), the inner cavity of the storage shell (305) stores the worm gear (301), and the storage shell (305) has an opening (306) for the worm (304) and the worm gear (301) to mesh.

7. The nitrogen purging structure for a filling head according to claim 1, characterized in that: A screw rod (403) is threaded through the front side wall of the movable platform (401), and a limiting rod (405) parallel to the screw rod (403) is slidably threaded through it. An arc-shaped clamping plate (404) is rotatably provided at one end of the screw rod (403) located in the inner cavity of the movable platform (401), and one end of the limiting rod (405) located in the inner cavity of the movable platform (401) is fixed to the side wall of the clamping plate (404).

8. The nitrogen purging structure for a filling head according to claim 1, characterized in that: A vertical electric telescopic cylinder (406) is fixedly installed on the top of the base plate (100) directly below the lifting platform (400). The top of the output rod of the electric telescopic cylinder (406) is fixed at the center of the bottom wall of the lifting platform (400). Vertical guide columns (407) are fixedly arranged around the top of the base plate (100) at equal intervals with the output rod of the electric telescopic cylinder (406) as the center. The rod of the guide column (407) slides through the bottom wall and the top edge of the lifting platform (400).

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