CN218153598U

CN218153598U - Acetylene filling device

Info

Publication number: CN218153598U
Application number: CN202221645225.9U
Authority: CN
Inventors: 安保芝
Original assignee: Jiangsu Xinxicheng Biotechnology Co ltd
Current assignee: Jiangsu Xinxicheng Biotechnology Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-12-27
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses an acetylene filling device, which comprises a bottom plate, a leakage-proof component, an explosion-proof component and a cooling unit; one end of the upper surface of the base plate is fixedly connected with the lower end of an acetylene storage cylinder, the other end of the upper surface of the base plate is fixedly connected with the lower surface of the base, the upper surface of the base is fixedly connected with the lower end of the filling cylinder, the output port of the acetylene storage cylinder is fixedly connected with one end of a conveying pipe, and the other end of the conveying pipe penetrates through the side wall of the filling cylinder; the anti-leakage component comprises a first anti-leakage barrel, a first supporting block, a first rotating shaft, a first supporting lug, a second anti-leakage barrel, a screw, a first fixing block, a second fixing block and a nut, wherein the part of the conveying pipe, which is positioned inside the filling barrel, is fixedly connected with the inner side wall of the upper end of the second anti-leakage barrel. Can prevent to cause the acetylene to reveal when the filling acetylene, can make its keep around in suitable temperature range when the filling acetylene to reduce the injury that the acetylene caused to the human body after exploding carelessly.

Description

Acetylene filling device

Technical Field

The utility model relates to an acetylene filling technical field specifically is an acetylene filling device.

Background

Acetylene, commonly known as aeolian coal and acetylene gas, is the smallest member of a series of alkyne compounds in volume and is mainly used for industrial application, particularly for metal welding. Acetylene is a colorless and extremely flammable gas at room temperature, pure acetylene is odorless, but industrial acetylene has a garlic odor due to the presence of impurities such as hydrogen sulfide and phosphine, and can be used for lighting, welding and cutting metals, and is also a basic raw material for producing acetaldehyde, acetic acid, benzene, synthetic rubber, synthetic fibers and the like.

Wherein an acetylene preparation filling device that prior art application number was 202020666904.9 provided, including acetylene storage bucket, the filling conveyer pipe is installed to the top side of acetylene storage bucket, and one side of acetylene storage bucket is equipped with the filling bottle, and the one end of filling conveyer pipe is connected with the filling bottle, one side fixed mounting of acetylene storage bucket has U type fixed connection piece, and the connecting rod is installed in the last rotation of U type fixed connection piece.

It can not prevent to cause acetylene to reveal when filling acetylene, and can not make its periphery keep in suitable temperature range when filling acetylene, for this reason, we propose an acetylene filling device.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an acetylene filling device, can prevent to cause the acetylene to reveal when filling acetylene, can make it keep at suitable temperature range around when filling acetylene to reduce the injury that causes the human body after the inadvertent explosion of acetylene, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an acetylene filling device comprises a bottom plate, a leakage-proof assembly, an explosion-proof assembly and a cooling unit;

a bottom plate: one end of the upper surface is fixedly connected with the lower end of an acetylene storage cylinder, the other end of the upper surface of the bottom plate is fixedly connected with the lower surface of the base, the upper surface of the base is fixedly connected with the lower end of a filling cylinder, an output port of the acetylene storage cylinder is fixedly connected with one end of a conveying pipe, and the other end of the conveying pipe penetrates through the side wall of the filling cylinder;

a leakage prevention assembly: the conveying pipe is fixedly connected with the inner side wall of the upper end of the anti-leakage cylinder II, the upper end and the lower end of the outer side wall of one end of the anti-leakage cylinder II are respectively and fixedly connected with the first supporting lugs, the first supporting lugs are movably connected with one end of the first supporting block through the first rotating shaft, the other end of the first supporting block is fixedly connected with the outer side wall of one end of the first anti-leakage cylinder, the second anti-leakage cylinder is correspondingly matched with the anti-leakage cylinder, the first fixed block is fixedly connected with the middle part of the outer side wall of the other end of the second anti-leakage cylinder, the second fixed block which is correspondingly matched with the fixed block is fixedly connected with the middle part of the outer side wall of the other end of the first anti-leakage cylinder, the screw penetrates through holes formed in the first fixed block and the second fixed block, and one end of the screw is in threaded connection with the nut;

an explosion-proof assembly: is arranged on the outer side wall of the filling cylinder;

a cooling unit: is arranged on the upper surface of the filling cylinder.

The base plate is used for fixedly supporting the filling cylinder, the conveying pipe is used for conveying acetylene in the acetylene storage cylinder into the acetylene cylinder, when the acetylene is required to be filled, the acetylene cylinder is placed in the filling cylinder, the outlet of the conveying pipe is connected with the inlet of the acetylene cylinder, the first leakage prevention cylinder is rotated to a position matched with the second leakage prevention cylinder by hand, a screw penetrates through a through hole formed in the first fixing block and the second fixing block, a nut is fastened on the screw, after the screw is fastened to a certain degree, the first fixing block and the second fixing block are fastened together, the second fixing block drives the first leakage prevention cylinder to be tightly attached to the second leakage prevention cylinder, the first leakage prevention cylinder and the second leakage prevention cylinder are enabled to tightly fix the outlet of the conveying pipe and the inlet of the acetylene cylinder together, the acetylene leakage is prevented, the first supporting block is used for supporting the first leakage prevention cylinder, and the first supporting lug is used for supporting the first rotating shaft.

Furthermore, the anti-leakage assembly further comprises a limiting block, and the two ends of the first rotating shaft are fixedly connected with the limiting block respectively. The limiting block prevents the rotating shaft from falling out and falling off after being used for a long time.

Further, the explosion-proof assembly comprises a C-shaped explosion-proof plate, a rotating block, a clamping block, a fixing groove, a second supporting block, a second rotating shaft, a second supporting lug, a third rotating shaft and a third supporting block, one end of the outer side wall of the filling cylinder is fixedly connected with the second supporting lug up and down respectively, the second supporting lug is movably connected with one end side face of the second supporting block through the second rotating shaft, the other end side face of the second supporting block is fixedly connected with one end side face of the C-shaped explosion-proof plate, the middle part of the side face of the outer other end of the C-shaped explosion-proof plate is movably connected with the center position of the rotating block through the third rotating shaft, the side face of the rotating block is fixedly connected with one end of the clamping block, the middle part of the other end of the outer side wall of the filling cylinder is fixedly connected with one end of the third supporting block, and the fixing groove matched with the clamping block is formed in the upper surface of the third supporting block. When carrying out the filling, rotate C shape explosion-proof board round pivot two, C shape explosion-proof board drives pivot three and rotates, pivot three drives the commentaries on classics piece, the commentaries on classics piece drives the fixture block and rotates, after C shape explosion-proof board rotated to correspond the complex position with a filling section of thick bamboo, place the fixture block in the fixed slot, thereby make C shape explosion-proof board fixed on the fixed slot, reduce the injury that the acetylene caused to the human body after the careless explosion, the effect of supporting shoe two is the support C shape explosion-proof board, the effect of supporting ear two is the support pivot two.

Furthermore, the explosion-proof assembly further comprises a rotary table and a screw rod, a threaded hole formed in the side face of the supporting block III is in threaded connection with one end of the screw rod, and the other end of the screw rod is fixedly connected with the center of the rotary table. The carousel is rotated to the forward, drives the screw rod and rotates, and the screw rod is pushing against the fixture block after rotating certain energy degree for the fixture block is not hard up, thereby makes C shape explosion-proof board more firm by fastening.

Further, the cooling unit contains a water pump, a water pipe, a water outlet pipe and a cooling cylinder, the upper surface of the bottom plate is fixedly connected with the water pump, the delivery outlet of the water pump is connected with the upper end of the outer side wall of the cooling cylinder through the water pipe, the inner cavity of the cooling cylinder is arranged, the lower surface of the cooling cylinder is fixedly connected with the upper surface of the filling cylinder, the lower end of the outer side wall of the cooling cylinder is fixedly connected with the water outlet pipe, and the input end of the water pump is electrically connected with the output end of the external control switch group. When filling acetylene, for preventing its explosion, need let it be in suitable temperature range, open the external control switch group of control water pump, inside the water pump work is constantly gone into the cooling section of thick bamboo with outside cold water piping pump to make it keep at suitable temperature when the filling, the water after the cooling flows out to the cooling section of thick bamboo outside through the outlet pipe.

Further, the cooling unit still contains spiral trachea and air pump, fixedly connected with spiral trachea on the inside lateral wall of a cooling section of thick bamboo, the air inlet of spiral trachea's one end setting and the gas outlet fixed connection of air pump, spiral trachea's the other end is provided with the gas outlet, the input of air pump is connected with the output electricity of external control switch group. The external control switch group for controlling the air pump is turned on, the air pump works, the air is continuously pumped into the cooling cylinder from the outside through the spiral air pipe, the air entering the spiral air pipe is changed into cold air under the action of cold water in the cooling cylinder, and the air pipe increases the flow path for the spiral shape so that the temperature of the air is reduced, and therefore the cold air is continuously blown into the filling cylinder for cooling.

Compared with the prior art, the beneficial effects of the utility model are that: this acetylene filling device has following benefit:

1. the leakage-proof component arranged in the acetylene filling device can effectively prevent acetylene from leaking due to acetylene filling, and acetylene is a gas which is extremely easy to explode and poisonous, has great danger after leaking and is easy to cause injury to human bodies;

2. the cooling unit arranged in the acetylene filling device can keep the acetylene at a proper temperature when being filled, and the arranged explosion-proof assembly can reduce the damage to surrounding people after the acetylene explodes carelessly;

3. this acetylene filling device can prevent to cause the acetylene to reveal when the filling acetylene, can make it keep in suitable temperature range around when the filling acetylene to reduce the injury that the acetylene caused to the human body after exploding carelessly.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic diagram of the left side structure of the present invention.

Fig. 3 is a schematic view of a part a of the enlarged structure in fig. 2 according to the present invention.

Fig. 4 is a schematic side view of the present invention.

In the figure: the acetylene cylinder cooling device comprises a base plate 1, an acetylene storage cylinder 2, a delivery pipe 3, a filling cylinder 4, a leakage prevention assembly 5, a leakage prevention cylinder 51, a first support block 52, a first rotating shaft 53, a first support lug 54, a second leakage prevention cylinder 55, a limiting block 56, a screw 57, a first fixed block 58, a second fixed block 59, a nut 510, an explosion prevention assembly 6, a explosion prevention plate 61C, a rotating block 62, a clamping block 63, a rotating disc 64, a screw 65, a fixing groove 66, a second support block 67, a second rotating shaft 68, a second support lug 69, a third rotating shaft 610, a third support block 611, a temperature reduction unit 7, a water pump 71, a water pipe 72, a spiral air pipe 73, a water outlet pipe 74, an air pump 75, a temperature reduction cylinder 76 and a base 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present embodiment provides a technical solution: an acetylene filling device comprises a bottom plate 1, a leakage-proof assembly 5, an explosion-proof assembly 6 and a cooling unit 7;

bottom plate 1: one end of the upper surface is fixedly connected with the lower end of an acetylene storage cylinder 2, the other end of the upper surface of the base plate 1 is fixedly connected with the lower surface of a base 8, the upper surface of the base 8 is fixedly connected with the lower end of a filling cylinder 4, an output port of the acetylene storage cylinder 2 is fixedly connected with one end of a conveying pipe 3, and the other end of the conveying pipe 3 penetrates through the side wall of the filling cylinder 4;

the leakage prevention assembly 5: the anti-leakage device comprises a first anti-leakage cylinder 51, a first supporting block 52, a first rotating shaft 53, a first supporting lug 54, a second anti-leakage cylinder 55, a screw 57, a first fixing block 58, a second fixing block 59 and a nut 510, wherein the part of the conveying pipe 3, which is positioned inside the filling cylinder 4, is fixedly connected with the inner side wall of the upper end of the second anti-leakage cylinder 55, the upper end and the lower end of the outer side wall of one end of the second anti-leakage cylinder 55 are respectively and fixedly connected with the first supporting lug 54, the first two supporting lugs 54 are movably connected with one end of the first supporting block 52 through the first rotating shaft 53, the other end of the first supporting block 52 is fixedly connected with the outer side wall of one end of the first anti-leakage cylinder 51, the second anti-leakage cylinder 55 is correspondingly matched with the first anti-leakage cylinder 51, the middle part of the outer side wall of the other end of the second anti-leakage cylinder 55 is fixedly connected with the second fixing block 59 correspondingly matched with the first fixing block 58, the screw 57 penetrates through a through hole formed in the first fixing block 58 and the second fixing block 59, and one end of the screw 57 is in threaded connection with the nut 510;

the leakage preventing assembly 5 further comprises a limiting block 56, and the two ends of the first rotating shaft 53 are respectively fixedly connected with the limiting block 56. The limiting block 56 prevents the first rotating shaft 53 from falling out of the first rotating shaft after being used for a long time.

The explosion-proof assembly 6: is arranged on the outer side wall of the filling cylinder 4;

the explosion-proof assembly 6 comprises a C-shaped explosion-proof plate 61, a rotating block 62, a clamping block 63, a fixing groove 66, a second supporting block 67, a second rotating shaft 68, a second supporting lug 69, a third rotating shaft 610 and a third supporting block 611, wherein one end of the outer side wall of the filling cylinder 4 is vertically and fixedly connected with the second supporting lug 69, the second supporting lug 69 is movably connected with one end side of the second supporting block 67 through the second rotating shaft 68, the other end side of the second supporting block 67 is fixedly connected with one end side of the outer side of the C-shaped explosion-proof plate 61, the middle part of the other end side of the outer side wall of the C-shaped explosion-proof plate 61 is movably connected with the center position of the rotating block 62 through the third rotating shaft 610, the side of the rotating block 62 is fixedly connected with one end of the clamping block 63, the middle part of the other end of the outer side wall of the filling cylinder 4 is fixedly connected with one end of the third supporting block 611, and the fixing groove 66 correspondingly matched with the clamping block 63 is formed in the upper surface of the third supporting block 611. When carrying out the filling, rotate C-shaped explosion-proof board 61 round two 68 of pivots, C-shaped explosion-proof board 61 drives three 610 rotations of pivot, three 610 drive of pivot change 62, change 62 and drive fixture block 63 and rotate, after C-shaped explosion-proof board 61 rotated to correspond the complex position with a filling section of thick bamboo 4, place fixture block 63 in the fixed slot 66, thereby make C-shaped explosion-proof board 61 fixed on fixed slot 66, reduce the injury that the human body caused after the inadvertent explosion of acetylene, the effect of supporting shoe two 67 is to support C-shaped explosion-proof board 61, the effect of supporting ear two 69 is to support pivot two 68.

The explosion-proof component 6 further comprises a rotary disc 64 and a screw rod 65, wherein a threaded hole formed in the side surface of the supporting block III 611 is in threaded connection with one end of the screw rod 65, and the other end of the screw rod 65 is fixedly connected with the center position of the rotary disc 64. The rotating disc 64 is rotated in the forward direction to drive the screw rod 65 to rotate, and after the screw rod 65 is rotated to a certain degree, the clamping block 63 is pressed against the clamping block 63, so that the clamping block 63 is not loosened, and the C-shaped explosion-proof plate 61 is fastened more firmly.

A temperature reduction unit 7: is mounted on the upper surface of the filling cylinder 4.

The cooling unit 7 comprises a water pump 71, a water pipe 72, a water outlet pipe 74 and a cooling cylinder 76, the water pump 71 is fixedly connected to the upper surface of the bottom plate 1, the output port of the water pump 71 is connected with the upper end of the outer side wall of the cooling cylinder 76 through the water pipe 72, the cooling cylinder 76 is hollow, the lower surface of the cooling cylinder 76 is fixedly connected with the upper surface of the filling cylinder 4, the lower end of the outer side wall of the cooling cylinder 76 is fixedly connected with the water outlet pipe 74, and the input end of the water pump 71 is electrically connected with the output end of the external control switch group. When acetylene is filled, in order to prevent the acetylene from exploding, the acetylene is required to be in a proper temperature range, an external control switch group for controlling the water pump 71 is turned on, the water pump 71 works to continuously pump external cold water into the cooling cylinder 76 through the water pipe 72, so that the acetylene is kept at a proper temperature during filling, and the cooled water flows out of the cooling cylinder 76 through the water outlet pipe 74.

The cooling unit 7 further comprises a spiral air pipe 73 and an air pump 75, the spiral air pipe 73 is fixedly connected to the inner side wall of the cooling cylinder 76, an air inlet formed in one end of the spiral air pipe 73 is fixedly connected with an air outlet of the air pump 75, an air outlet is formed in the other end of the spiral air pipe 73, and an input end of the air pump 75 is electrically connected with an output end of the external control switch set. The external control switch group for controlling the air pump 75 is turned on, the air pump 75 works, air is pumped into the cooling cylinder 76 from the outside continuously through the spiral air pipe 73, the air entering the spiral air pipe 73 is changed into cold air under the action of cold water in the cooling cylinder 76, and therefore the cold air is blown into the filling cylinder 4 continuously to be cooled.

The base plate 1 is used for providing a fixed support for the acetylene storage cylinder 2, the base 8 and the cooling unit 7, the base 8 is used for fixedly supporting the filling cylinder 4, the conveying pipe 3 is used for conveying acetylene in the acetylene storage cylinder 2 to the acetylene cylinder, when the acetylene needs to be filled, the acetylene cylinder is placed in the filling cylinder 4, the outlet of the conveying pipe 3 is connected with the inlet of the acetylene cylinder, the first leakage prevention cylinder 51 is rotated to a position matched with the second leakage prevention cylinder 55 by hands, the screw 57 penetrates through holes formed in the first fixing block 58 and the second fixing block 59, the nut 510 is fastened on the screw 57, after the first fixing block 58 and the second fixing block 59 are fastened to a certain degree, the first fixing block 58 and the second fixing block 59 are fastened together, the second fixing block 59 drives the first leakage prevention cylinder 51 to be tightly attached to the second leakage prevention cylinder 55, so that the first leakage prevention cylinder 51 and the second leakage prevention cylinder 55 tightly fix the outlet of the conveying pipe 3 and the inlet of the acetylene cylinder together, thereby preventing the acetylene from leakage, the acetylene is prevented from leaking, the first supporting block 52 is used for supporting the first leakage prevention cylinder 51, and the first supporting lug 54 is used for supporting the rotating shaft 53.

The utility model provides a pair of acetylene filling device's theory of operation as follows:

when acetylene is required to be filled, the acetylene cylinder is placed in the filling cylinder 4, the outlet of the conveying pipe 3 is connected with the inlet of the acetylene cylinder, the first anti-leakage cylinder 51 is rotated to a position matched with the second anti-leakage cylinder 55 by hand, the screw 57 penetrates through a through hole formed in the first fixing block 58 and the second fixing block 59, the nut 510 is fastened on the screw 57, after the first fixing block 58 and the second fixing block 59 are fastened to a certain degree, the first fixing block 58 and the second fixing block 59 are fastened to one piece, the second fixing block 59 drives the first anti-leakage cylinder 51 to be tightly attached to the second anti-leakage cylinder 55, so that the first anti-leakage cylinder 51 and the second anti-leakage cylinder 55 tightly fix the outlet of the conveying pipe 3 and the inlet of the acetylene cylinder to one piece, acetylene leakage is prevented, the C-shaped anti-explosion plate 61 rotates around the second rotating shaft 68, the C-shaped anti-explosion plate 61 drives the third rotating shaft 610 to rotate, the rotating block 62 is driven by the rotating block 62 to rotate, and when the C-explosion plate 61 rotates to a position correspondingly matched with the filling cylinder 4, the fixture block 63 is placed in the fixing groove 66, the rotary disc 64 is rotated in the forward direction to drive the screw rod 65 to rotate, after the screw rod 65 is rotated to a certain energy degree, the screw rod 65 is pressed against the fixture block 63, the fixture block 63 is enabled not to loosen, the C-shaped explosion-proof plate 61 is enabled to be fastened more firmly, the external control switch group of the control water pump 71 is turned on, the water pump 71 works to continuously pump external cold water into the cooling cylinder 76 through the water pipe 72, so that the temperature of the cooling cylinder is kept at a proper temperature during filling, the cooled water flows out of the cooling cylinder 76 through the water outlet pipe 74 to be in a proper temperature range, the external control switch group of the control air pump 75 is turned on, the air pump 75 works to continuously pump air from the outside into the cooling cylinder 76 through the spiral air pipe 73, and the air entering the spiral air pipe 73 is changed into cold air under the action of cold water in the cooling cylinder 76, the spiral air pipe increases the circulation path to lower the temperature of the air, so that the cooling air blown into the filling cylinder 4 is continuously cooled.

It should be noted that the core chip of the external control switch set disclosed in the above embodiments is a PLC single chip, the water pump 71 and the air pump 75 may be freely configured according to the actual application scenario, and it is recommended that the water pump 71 is a centrifugal pump, and the air pump 75 is a vacuum pump. The external control switch set controls the operation of the water pump 71 and the air pump 75 by the method commonly used in the prior art.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. The utility model provides an acetylene filling device which characterized in that: comprises a bottom plate (1), a leakage-proof assembly (5), an explosion-proof assembly (6) and a cooling unit (7);

base plate (1): one end of the upper surface is fixedly connected with the lower end of an acetylene storage cylinder (2), the other end of the upper surface of the bottom plate (1) is fixedly connected with the lower surface of a base (8), the upper surface of the base (8) is fixedly connected with the lower end of a filling cylinder (4), the output port of the acetylene storage cylinder (2) is fixedly connected with one end of a conveying pipe (3), and the other end of the conveying pipe (3) penetrates through the side wall of the filling cylinder (4);

a leak-proof assembly: the anti-leakage device comprises a first anti-leakage cylinder (51), a first supporting block (52), a first rotating shaft (53), a first supporting lug (54), a second anti-leakage cylinder (55), a screw (57), a first fixing block (58), a second fixing block (59) and a nut (510), wherein the part, located inside a filling cylinder (4), of the conveying pipe (3) is fixedly connected with the inner side wall of the upper end of the second anti-leakage cylinder (55), the upper end and the lower end of the outer side wall of one end of the second anti-leakage cylinder (55) are fixedly connected with the first supporting lug (54) respectively, the first supporting lugs (54) are movably connected with one end of the first supporting block (52) through the first rotating shaft (53), the other end of the first supporting block (52) is fixedly connected with the outer side wall of one end of the first anti-leakage cylinder (51), the second anti-leakage cylinder (55) is correspondingly matched with the first fixing block (58) in the middle of the outer side wall of the other end of the second anti-leakage cylinder (55), the middle of the outer side wall of the other end of the first anti-leakage cylinder (51) is fixedly connected with the first fixing block (59) in a threaded manner, and the screw (59) penetrates through holes formed in the second fixing block (57);

explosion-proof assembly (6): is arranged on the outer side wall of the filling cylinder (4);

a cooling unit (7): is arranged on the upper surface of the filling cylinder (4).

2. The acetylene filling device according to claim 1, wherein: the anti-leakage assembly (5) further comprises a limiting block (56), and the two ends of the first rotating shaft (53) are fixedly connected with the limiting block (56) respectively.

3. An acetylene filling apparatus according to claim 1, wherein: the anti-explosion component (6) comprises a C-shaped anti-explosion plate (61), a rotating block (62), a clamping block (63), a fixing groove (66), a second supporting block (67), a second rotating shaft (68), a second supporting lug (69), a third rotating shaft (610) and a third supporting block (611), one end of the outer side wall of the filling cylinder (4) is fixedly connected with the second supporting lug (69) up and down respectively, the second supporting lug (69) is movably connected with one end side face of the second supporting block (67) through the second rotating shaft (68), the other end side face of the second supporting block (67) is fixedly connected with the outer end side face of the C-shaped anti-explosion plate (61), the middle part of the outer end side face of the C-shaped anti-explosion plate (61) is movably connected with the center position of the rotating block (62) through the third rotating shaft (610), the side face of the rotating block (62) is fixedly connected with one end of the clamping block (63), the middle part of the other end of the outer side wall of the filling cylinder (4) is fixedly connected with one end of the third supporting block (611), and the upper surface of the third supporting block (611) is provided with the fixing groove which is matched with the clamping block (63).

4. An acetylene filling device according to claim 3, wherein: the anti-explosion component (6) further comprises a turntable (64) and a screw rod (65), a threaded hole formed in the side face of the supporting block III (611) is in threaded connection with one end of the screw rod (65), and the other end of the screw rod (65) is fixedly connected with the center of the turntable (64).

5. The acetylene filling device according to claim 1, wherein: the cooling unit (7) comprises a water pump (71), a water pipe (72), a water outlet pipe (74) and a cooling barrel (76), the upper surface of the bottom plate (1) is fixedly connected with the water pump (71), the delivery outlet of the water pump (71) is connected with the upper end of the outer side wall of the cooling barrel (76) through the water pipe (72), the inner hollow of the cooling barrel (76) is arranged, the lower surface of the cooling barrel (76) is fixedly connected with the upper surface of the filling barrel (4), the lower end of the outer side wall of the cooling barrel (76) is fixedly connected with the water outlet pipe (74), and the input end of the water pump (71) is electrically connected with the output end of the external control switch group.

6. An acetylene filling device according to claim 5, wherein: the cooling unit (7) further comprises a spiral air pipe (73) and an air pump (75), the inner side wall of the cooling cylinder (76) is fixedly connected with the spiral air pipe (73), an air inlet formed in one end of the spiral air pipe (73) is fixedly connected with an air outlet of the air pump (75), the other end of the spiral air pipe (73) is provided with an air outlet, and the input end of the air pump (75) is electrically connected with the output end of the external control switch group.